CN105537278A - Disassembling and assembling device for roller assembly - Google Patents
Disassembling and assembling device for roller assembly Download PDFInfo
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- CN105537278A CN105537278A CN201511028887.6A CN201511028887A CN105537278A CN 105537278 A CN105537278 A CN 105537278A CN 201511028887 A CN201511028887 A CN 201511028887A CN 105537278 A CN105537278 A CN 105537278A
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- roll
- platform
- roll assembly
- loading
- detaching apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
- B21B31/10—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts by horizontally displacing, i.e. horizontal roll changing
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- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a disassembling and assembling device for a roller assembly. The disassembling and assembling device comprises an assembling and disassembling platform, a locating mechanism, a profiling pallet and an assembling and disassembling mechanism, wherein the locating mechanism is arranged on the assembling and disassembling platform so as to locate the roller assembly on the assembling and disassembling platform; the profiling pallet is arranged on the assembling and disassembling platform in a liftable way, and the profiling pallet contacts with and supports against rollers when lifting to a working height; and the assembling and disassembling mechanism is arranged on the assembling and disassembling platform and is used for disassembling and assembling roller shafts when the profiling pallet contacts with the rollers. The invention provides a disassembling, assembling and maintaining device for the structural forms of a rack and the rollers in the existing roller assembly, so that roller shafts are more conveniently disassembled, the reliability is improved, artificial participation steps are reduced, and the labor intensity and the labor cost are reduced. Meanwhile, if the disassembling and assembling device is used for disassembling and assembling the roller shafts and the rollers, the tool replacing time is shortened, the assembling precision of the roller assembly is improved, the equipment operation time is effectively prolonged, and equipment can further release the productivity.
Description
Technical field
The present invention relates to steel rolling equipment technical field, in particular to a kind of attaching/detaching apparatus of roll assembly.
Background technology
Size-reducing mill is as last one hot-rolled process of seamless steel tube production, its effect is under certain total reducing rate and less single chassis reducing rate condition, hollow forging is rolled into the fished pipe necessarily requiring dimensional accuracy and circularity, thus determines to need in tube reducing to adopt multiple roll stand to participate in pipe deformation.The roll stand of the corresponding different shaped jet holes of product scopes different in addition, these 2 determine unit must be equipped with substantial amounts roll stand instrument when producing.And in the dismounting carrying out single roller pass machining, frame all needs to carry out roll assembly when safeguarding and change roll.Therefore, in actual production, the dismounting of roll stand assembly is very frequently.
For comparatively main flow in this area
above bassoon production line, is all equipped with the size-reducing mill roll stand of substantial amounts.A common feature due to these roll stands is that equipment build is large, and quality is large, all need pretension pull bar stationary roll axle and attended operation space little.Therefore, cause that artificial dismounting difficulty is large, efficiency is low, the time is long, cost of labor is high, thus cause the plant maintenance time long, thus decrease the effective production time of unit, constrain the release of unit production capacity.
Existing roll assembly relies on artificial dismounting completely, because the quality of roll and roll mandrel is comparatively large, needs that driving is auxiliary to be carried out in disassembly process, relies on driving to extract roll mandrel out, then whole parts of corresponding dismounting roll and roll mandrel system again.Dismounting difficulty, length consuming time, assembly precision is low.
Summary of the invention
A main purpose of the present invention is at least one defect overcoming above-mentioned prior art, provide a kind of can the efficient and roll assembly attaching/detaching apparatus that cost of labor is lower of easy accessibility.
For achieving the above object, the present invention adopts following technical scheme:
According to an aspect of the present invention, a kind of roll assembly attaching/detaching apparatus is provided, for loading and unloading a roll assembly, described roll assembly is comprised frame and is assemblied in the roll of described frame by roll mandrel, and described roll assembly attaching/detaching apparatus comprises loading/unloading platform, detent mechanism, profiling pallet and charging crane; Described detent mechanism is located on described loading/unloading platform, to be positioned on described loading/unloading platform by described roll assembly; Described profiling pallet is liftably located on described loading/unloading platform, and when described profiling pallet rises to a working depth, described profiling pallet contacts and supports described roll; Described loading/unloading platform is located at by described charging crane, with when described profiling pallet contacts described roll, carries out dismounting to described roll mandrel.
According to one of them embodiment of the present invention, described loading/unloading platform comprises main platform and at least one auxiliary platform; Described detent mechanism, described profiling pallet and described lowering or hoisting gear are arranged at described main platform; At least one auxiliary platform described is connected to the periphery of described main platform, the setting position of described auxiliary platform and described roll mandrel direction one_to_one corresponding, and each described auxiliary platform is respectively equipped with a described charging crane, with roll mandrel described in dismounting correspondingly.
According to one of them embodiment of the present invention, described detent mechanism comprises two locating pieces, clip slot and jackscrews; Described two locating piece intervals are fixed on described loading/unloading platform; Described clip slot is fixed on described loading/unloading platform, and between described two locating pieces; Described jackscrew adjustable ground is located in one of them of described two locating pieces, during to be arranged in described frame in described two locating pieces and clip slot, screws the described frame in location.
According to one of them embodiment of the present invention, be provided with fluting in the middle part of described loading/unloading platform, described profiling pallet is driven by a lowering or hoisting gear and is liftably located in described fluting.
According to one of them embodiment of the present invention, described lowering or hoisting gear comprises carrier, the first oil cylinder and guide rod; Described carrier is fixed on below described profiling pallet, to carry described profiling pallet; Described first oil cylinder is vertically located at below described carrier, and the upper end of described first oil cylinder is connected to described carrier; Described guide rod vertically arranges and passes described carrier, to lead to described carrier when carrier described in described first hydraulic oil cylinder driving is elevated.
According to one of them embodiment of the present invention, described charging crane comprises the second oil cylinder, spindle nose, rotating cylinder and spiral shell head; Described second oil cylinder is horizontally disposed with, and when its telescopic direction and described frame are positioned described loading/unloading platform, described roll mandrel direction is identical; Described spindle nose telescopically is fixed on the front end of described second oil cylinder; Described rotating cylinder is sheathed on described spindle nose rotationally; Described spiral shell head is fixed on described rotating cylinder front end; When described spindle nose stretches into described roll mandrel, by rotating described rotating cylinder, the inner hole thread of described spiral shell head and described roll shaft can be driven to screw.
According to one of them embodiment of the present invention, described charging crane also comprises slide and slide block; Described slide is fixed on described loading/unloading platform, has the slideway identical with described second oil cylinder telescopic direction; Described slide block is located in the slideway of described slide slidably; The front end of described second oil cylinder is passed and is stretched out described slide block, and described spindle nose is positioned at the front of described slide block, and described rotating cylinder is between described slide block and described spindle nose front end.
According to one of them embodiment of the present invention, described loading/unloading platform comprises main platform and at least one auxiliary platform; Described main platform, is provided with described detent mechanism, described profiling pallet and described lowering or hoisting gear; At least one auxiliary platform compartment of terrain described is connected to the periphery of described main platform, the setting position of described auxiliary platform and described roll mandrel direction one_to_one corresponding; The slide of each described charging crane is fixed on described auxiliary platform correspondingly.
According to one of them embodiment of the present invention, described charging crane also comprises handwheel; Described handwheel is located on described rotating cylinder, to rotate described rotating cylinder.
According to one of them embodiment of the present invention, described frame is triangular in shape and have three rolls and three roll mandrels, described profiling pallet is Y-shaped and has three trailing arms, and when described profiling pallet rises to described working depth, described three trailing arms contact respectively and support described three rolls.
As shown from the above technical solution, the advantage of roll assembly attaching/detaching apparatus that proposes of the present invention and good effect are:
Roll assembly attaching/detaching apparatus of the present invention, for the version of existing roll assembly mid frame and roll, the dismounting attending device of proposition, make the dismounting of roll mandrel and roll mandrel convenient, reliability improves, and decreases the artificial step participated in, reduces labor strength and cost of labor.Meanwhile, use roll assembly attaching/detaching apparatus breaker roll axle of the present invention and roll to carry out dismounting, decrease the tool changing time, improve the assembly precision of roll assembly, the equipment that effectively increases runs duration, is conducive to equipment and discharges production capacity further.
Wherein, when roll assembly attaching/detaching apparatus of the present invention adopts the profiling pallet of Y type, the dismounting to size-reducing mill roll mandrel and frame can be applied to further, make such as size-reducing mill roll mandrel, the dismounting of this equipment build and all larger class roll mandrel of weight and roll, reliability and efficiency higher, and cost of labor is lower.
Accompanying drawing explanation
Fig. 1 is the perspective view of a kind of roll assembly attaching/detaching apparatus according to an illustrative embodiments;
Fig. 2 is the plan structure schematic diagram of a kind of roll assembly attaching/detaching apparatus according to an illustrative embodiments;
Fig. 3 is that the A of Fig. 2 is to structural representation;
Fig. 4 is the fragmentary top TV structure schematic diagram of a kind of roll assembly attaching/detaching apparatus according to an illustrative embodiments;
Fig. 5 is the partial schematic diagram of a duty of a kind of roll assembly attaching/detaching apparatus according to an illustrative embodiments;
The amplification view of one charging crane of a kind of roll assembly attaching/detaching apparatus during Fig. 6 according to an illustrative embodiments.
Wherein, description of reference numerals is as follows:
11. frames; 12. roll mandrels; 21. loading/unloading platforms; 211. main platforms; 212. auxiliary platform; 22. detent mechanisms; 221. locating piece; 222. clip slot; 223. jackscrew; 23. profiling pallets; 231. trailing arm; 24. lowering or hoisting gears; 241. carrier; 242. first oil cylinders; 243. guide rod; 25. charging cranes; 251. second oil cylinders; 252 spindle noses; 253. rotating cylinder; 254. spiral shell heads; 255. slide; 256. slide block.
Detailed description of the invention
The exemplary embodiments embodying feature & benefits of the present invention will describe in detail in the following description.Be understood that the present invention can have various changes in different embodiments, it neither departs from the scope of the present invention, and explanation wherein and to be shown in be the use explained in essence, and be not used to limit the present invention.
To in the following describes of different illustrative embodiments of the present invention, carry out with reference to accompanying drawing, described accompanying drawing forms a part of the present invention, and wherein shows different example arrangement, system and the step that can realize many aspects of the present invention by way of example.Should be understood that other specified scheme that can use parts, structure, exemplary means, system and step, and 26S Proteasome Structure and Function amendment can be carried out when not departing from the scope of the invention.And, although can use in this description term " periphery ", " end ", " end ", " between ", " side " etc. describe different example feature of the present invention and element, but these terms are used for herein only for convenience, such as with reference to the accompanying drawings described in the direction of example.The specific three dimensional direction that any content in this description all should not be construed as Structure of need just falls within the scope of the present invention.
Consult Fig. 1, in Fig. 1, representatively illustrate the perspective view of the roll assembly attaching/detaching apparatus that can embody principle of the present invention.In this illustrative embodiments, the present invention propose roll assembly attaching/detaching apparatus be in seamless steel tube production process for the size-reducing mill of later stage hot-rolled process.Wherein, mainly comprise frame 11 (Fig. 3 is consulted in cooperation) at the roll assembly of this size-reducing mill and be arranged on the roll in frame 11 by roll mandrel 12, in the inside of its frame 11, be equiped with to three rolls of good pass, and these three rolls are mutually 120 ° of centerings installations, namely three roll mandrels 12 are mutually 120 ° of centerings installations.Moment of torsion transmission is realized by spline between roll and roll mandrel 12, after roll and roll mandrel 12 coordinate installation, fasten all elements by the axle that pull bar and pre-load nut breaker roll axle 12 comprise roll and carry out pretension, locking spiral cover and axle end baffle plate are then installed.In addition, frame 11 peripheral hardware organic frame 11 push-and-pull hook and positioning baffle.Those skilled in the art it is easily understood that, for this roll assembly attaching/detaching apparatus is applied in the disassembling operations of roll assembly of other various equipment, and to following detailed description of the invention make multiple remodeling, interpolation, substitute, delete or other change, these change still the present invention propose roll assembly attaching/detaching apparatus principle scope in.That is, this roll assembly can be the roll parts of other equipment, such as four roll structures etc. of single roll structure, side by side multiple roll or cross centering.
Consult Fig. 2 to Fig. 6, the plan structure schematic diagram of a kind of roll assembly attaching/detaching apparatus of present embodiment is representatively illustrated in Fig. 2, A in the plan structure schematic diagram of a kind of roll assembly attaching/detaching apparatus of present embodiment is representatively illustrated to structural representation in Fig. 3, the fragmentary top TV structure schematic diagram of a kind of roll assembly attaching/detaching apparatus of present embodiment is representatively illustrated in Fig. 4, concrete expression profiling pallet 23 is placed in state during loading/unloading platform 21, partial schematic diagram during a kind of roll assembly attaching/detaching apparatus one duty of present embodiment is representatively illustrated in Fig. 5, the roll assembly of the above-mentioned size-reducing mill of concrete expression is positioned schematic diagram during loading/unloading platform 21, the amplification view of one of them charging crane 25 of a kind of roll assembly attaching/detaching apparatus of present embodiment is representatively illustrated in Fig. 6.Below in conjunction with above-mentioned accompanying drawing, the principle of the roll assembly attaching/detaching apparatus that the present invention proposes is described in detail and explanation.
As shown in Figure 1, in the present embodiment, the roll assembly attaching/detaching apparatus that the present invention proposes may be used for loading and unloading the roll assembly of such as above-mentioned size-reducing mill, and this roll assembly comprises frame 11 and is assemblied in three rolls being mutually 120 ° of centerings installations in frame 11.Wherein, this roll assembly attaching/detaching apparatus mainly comprises loading/unloading platform 21, detent mechanism 22, profiling pallet 23, lowering or hoisting gear 24 and charging crane 25.
As depicted in figs. 1 and 2, in the present embodiment, loading/unloading platform 21 mainly comprises main platform 211 and three auxiliary platforms 212.Wherein, main platform 211 is provided with detent mechanism 22, profiling pallet 23 and lowering or hoisting gear 24.Three auxiliary platforms 212 are connected to the periphery of main platform 211, and three roll mandrel 12 direction one_to_one corresponding of the roll assembly of the setting position of three auxiliary platforms 212 and size-reducing mill, that is, the axis direction of each auxiliary platform 212 is mutually 120 ° of angles.Should be understood that, the set-up mode of above three auxiliary platforms 212, be only the exemplary distribution structure of roll assembly three rolls being adapted to above-mentioned size-reducing mill, and the structure selected and arrangement.Those skilled in the art it is easily understood that, for roll assembly attaching/detaching apparatus of the present invention is applied in the roll charge and discharge operations of other various equipment, and the structure to this roll assembly attaching/detaching apparatus, particularly auxiliary platform 212 structure of its loading/unloading platform 21 carries out various conversion, does not all depart from the scope of the principle of roll assembly attaching/detaching apparatus of the present invention.In addition, even if concerning the roll structure layout of size-reducing mill, quantity and the respective arrangement of auxiliary platform 212 can also adjust flexibly, only need the dismounting path direction ensureing each charging crane 25 be arranged on auxiliary platform 212, can be consistent with each roll mandrel 12 direction respectively.
What needs further illustrated is, in the present embodiment, as depicted in figs. 1 and 2, three charging cranes 25 are separately positioned on correspondingly on three auxiliary platforms 212, and the dismounting path direction of three charging cranes 25 is consistent with three roll mandrel 12 directions respectively.But, in other illustrative embodiments of the present invention, along with the change of auxiliary platform 212 topology layout and the adjustment of other structures, can adjust flexibly the above-mentioned relation that arranges one to one.
As depicted in figs. 1 and 2, in the present embodiment, detent mechanism 22 is two groups, and is located at respectively on the relative dual-side of loading/unloading platform 21, and the above-mentioned dual-side of roll assembly loading/unloading platform 21 can be located by detent mechanism 22.Specifically, each detent mechanism 22 mainly comprises two locating pieces 221, clip slot 222 and jackscrew 223.Wherein, the two-end part of one of them that the above-mentioned dual-side of loading/unloading platform 21 is fixed at two locating piece 221 intervals is set up, one of them locating piece 221 can setting-up piece on a locating surface of another each locating piece 221, on another locating piece 221, adjustable ground wears jackscrew 223, when being placed between above-mentioned two locating pieces 221 with the part-structure of the frame 11 making roll assembly, screwing jackscrew 223 by adjustment and the part-structure of frame 11 is positioned between two locating pieces 221.Meanwhile, clip slot 222 is fixed on loading/unloading platform 21, and between two locating pieces 221, during part-structure for positioning frame 11, fixes it.Those skilled in the art should be understood that, the above-mentioned description about detent mechanism 22, be only one of them exemplary illustration of the present invention, roll assembly for the various structures by various equipment is positioned on the loading/unloading platform 21 of roll assembly attaching/detaching apparatus of the present invention, and the conversion such as various remodeling, interpolation, deletion, replacement are carried out to above-mentioned detent mechanism 22, all do not depart from the scope of the principle of the roll assembly attaching/detaching apparatus that the present invention proposes.
As depicted in figs. 1 and 2, in the present embodiment, profiling pallet 23 is liftably located on loading/unloading platform 21 by the lifting of lowering or hoisting gear 24, and has accommodation profiling pallet 23 in the middle part of loading/unloading platform 21 and the fluting be elevated for it.Wherein, due in the present embodiment, treat that the roll assembly of dismounting is a kind of roll assembly of size-reducing mill, namely this roll assembly has three rolls being roughly triangular form and being mutually 120 ° of centerings installations, three roll mandrels 12 and the frame 11 for installing three roll mandrels 12.Therefore, in order to adapt to support the profiling of the roll assembly of this kind of structure better, in the present embodiment, this profiling pallet 23 is Y-shaped and has three trailing arms 231, when making profiling pallet 23 rise to a working depth, three trailing arms 231 contact respectively and carry three rolls.Specifically, profiling pallet 23 is roughly in Y-shaped, namely three trailing arms 231 of profiling pallet 23 are mutually 120 ° of angles, make the direction that each trailing arm 231 is extended by profiling pallet 23 center, roll mandrel 12 direction respectively at its correspondence is vertical, and each trailing arm 231 top has the groove corresponding with roll substructure, such as but not limited to circular groove, to promote stability and the reliability that profiling pallet 23 contacts each roll of supporting further.Those skilled in the art should be understood that, roll contact for the roll assembly by other structures various is supported on the profiling pallet 23 of roll assembly attaching/detaching apparatus of the present invention, and the conversion such as various remodeling, interpolation, deletion, replacement are carried out to above-mentioned profiling pallet 23, all do not depart from the scope of the principle of the roll assembly attaching/detaching apparatus that the present invention proposes.
As shown in Figure 1, Figure 2 with shown in Fig. 6, in the present embodiment, charging crane 25 is located on loading/unloading platform 21, and for after profiling pallet 23 contacts back up roll, breaker roll axle 12 carries out disassembling operations.Each charging crane 25 mainly comprises the second oil cylinder 251, spindle nose 252, rotating cylinder 253 and spiral shell head 254.Wherein, the second oil cylinder 251 is horizontally disposed with, and when its telescopic direction and the frame 11 of roll assembly are positioned loading/unloading platform 21, roll mandrel 12 direction is identical.Spindle nose 252 is fixed on the telescopic front end of the second oil cylinder 251, and namely spindle nose 252 telescopically is fixed on the front end of the second oil cylinder 251.Rotating cylinder 253 is sheathed on spindle nose 252 rotationally, and spiral shell head 254 is fixed on rotating cylinder 253 front end.Namely, when spindle nose 252 is driven by the second oil cylinder 251 and stretches in the screwed axis hole of roll mandrel 12, spiral shell head 254 just can be driven to rotate by revolving drum 253, and screw with the inner hole thread of roll shaft axis hole, and then by the second oil cylinder 251, roll mandrel 12 be extracted by frame 11 again.In addition, based on the structure of loading/unloading platform in present embodiment 21, above-mentioned charging crane 25 can also comprise slide 255 and slide block 256.Wherein, slide 255 is fixed on the auxiliary platform 212 of loading/unloading platform 21, and there is the slideway identical with the second oil cylinder 251 telescopic direction, slide block 256 is located in the slideway of slide 255 slidably, the front end of the second oil cylinder 251 is passed and is stretched out slide block 256, and spindle nose 252 is positioned at the front of slide block 256, rotating cylinder 253 is between slide block 256 and spindle nose 252 front end.Those skilled in the art should be understood that, for realizing the dismounting of the roll mandrel 12 of the roll assembly of other structures various, and the conversion such as various remodeling, interpolation, deletion, replacement are carried out to above-mentioned charging crane 25, all do not depart from the scope of the principle of the roll assembly attaching/detaching apparatus that the present invention proposes.
In addition, as shown in Figure 1, in the present embodiment, the slide 255 of each charging crane 25 is fixed on auxiliary platform 212 correspondingly, namely each auxiliary platform 212 is provided with a charging crane 25.But in other illustrative embodiments of the present invention, it is equal and arrange correspondingly that the quantity of auxiliary platform 212 and charging crane 25 and distribution mode are not limited only to quantity.Such as, for the structure of the auxiliary platform of three in present embodiment 212, one or two charging crane 25 can be only set, and charging crane 25 is fixed on auxiliary platform 212 removably, then by being arranged on different auxiliary platforms 212 by charging crane 25, and successively dismounting is carried out to each roll mandrel 12.And for example, for the charging crane of three in present embodiment 25, can enter to arrange one or two auxiliary platform 212, and the structure of auxiliary platform 212 changes compared to the structure in present embodiment, charging crane 25 is all located on auxiliary platform 212, only need meets each charging crane 25 and correspond to each roll mandrel 12.
It should be noted that shown in accompanying drawing and the roll assembly attaching/detaching apparatus that describes in this manual is only to adopt an example in many kinds of roll assembly attaching/detaching apparatus of the principle of the invention at this.It should be clearly understood that any details of the roll assembly attaching/detaching apparatus that principle of the present invention is only limitted to absolutely not describe shown in accompanying drawing or in this description or any parts of roll assembly attaching/detaching apparatus.
Such as, be not intended to principle according to the invention, as shown in Figures 2 to 4, in the present embodiment, the lowering or hoisting gear 24 of above-mentioned lifting profiling pallet 23 mainly comprises carrier 241, first oil cylinder 242 and guide rod 243.Wherein, carrier 241 is fixed on below profiling pallet 23, for carrying profiling pallet 23.First oil cylinder 242 is vertically located at below carrier 241, and the upper end of the first oil cylinder 242 (can by the upper end of the push rod of cylinder body telescopic lifting) be connected to carrier 241.Guide rod 243 vertically arranges and passes carrier 241, to lead to carrier 241 when the first oil cylinder 242 drives carrier 241 to be elevated.
But, not in all illustrative embodiments of the present invention, all lowering or hoisting gear 24 must be designed to said structure.Those skilled in the art should be understood that, roll contact for the roll assembly by other structures various is supported on the profiling pallet 23 of roll assembly attaching/detaching apparatus of the present invention, and the conversion such as various remodeling, interpolation, deletion, replacement are carried out to above-mentioned lowering or hoisting gear 24, all do not depart from the scope of the principle of the roll assembly attaching/detaching apparatus that the present invention proposes.
And for example, be not intended to principle according to the invention, as shown in Figure 1, Figure 2 with shown in Fig. 6, in the present embodiment, above-mentioned charging crane 25 also comprises the handwheel be located on rotating cylinder 253, rotate rotating cylinder 253 with handled easily person, screw to drive the spiral shell head 254 of rotating cylinder 253 front end with the internal thread hole of roll mandrel 12 or unscrew.But not in all illustrative embodiments of the present invention, all must handwheel be set, and can by arranging other various structures, handled easily person is to the rotation of rotating cylinder 253.
Below, in conjunction with foregoing description, and the concrete structure of roll assembly for the size-reducing mill in above-mentioned embodiment, the roll assembly attaching/detaching apparatus dismounting that the present invention is proposed or the idiographic flow being installed to roll mandrel 12 are further described.
For the dismounting of roll stand 11, first roll assembly is placed on loading/unloading platform 21, the location of the frame 11 completing breaker roll assembly by the locating piece 221 on loading/unloading platform 21, jackscrew 223 and clip slot 222 on loading/unloading platform 21 and locking.After frame 11 positioning and locking completes, first oil cylinder 242 of loading/unloading platform 21 slotted lower portion stretches out, drive carrier 241 overall platform liter under the guiding of guide rod 243 is guided by push rod, after entertain profiling pallet on load plate 241 23 and roll contact, the first oil cylinder 242 stops action and pressurize.Then unload the baffle plate of roll mandrel 12 spindle nose, locking spiral cover and pre-load nut, expose connecting thread in roll mandrel 12, the second oil cylinder 251 then on auxiliary platform 212 stretches out, and drives slide block 256 in slide 255 slides forwards, namely drives spiral shell head 254 to move forward.In the process that spiral shell head 254 advances, spiral shell head 254 is driven to screw in roll mandrel 12 by revolving drum 253, after its screw thread fully contacts and screws, the second oil cylinder 251 on auxiliary platform 212 bounces back, roll mandrel 12 is pulled out by frame 11, then roll just can hang platform, and all the other findings also correspondingly can complete dismounting, thus completes the dismounting that this roll mandrel 12 is all parts.
For the installation of roll stand 11, first the frame 11 of roll assembly is placed on loading/unloading platform 21, by the locating piece 221 on loading/unloading platform 21, the location of the frame 11 that jackscrew 223 and clip slot 222 complete breaker roll assembly on loading/unloading platform 21 and locking, after frame 11 positioning and locking completes, first oil cylinder 242 of loading/unloading platform 21 slotted lower portion stretches out, carrier 241 overall platform liter under the guiding of guide rod 243 is guided is driven by push rod, after the profiling pallet 23 of load plate 241 of entertaining rises to the preset height of roll to be installed, first oil cylinder 242 stops action and pressurize, and roll handling is placed on profiling pallet 23.Order and location strings are connected in this frame 11 according to the rules then this roll mandrel 12 to be fastened other parts needing to be connected in series.After being connected in series, by roll mandrel 12 handling and be placed on dismounting platform on, a centering roll installing hole, is stretched out by the second oil cylinder 251 on auxiliary platform 212, drive slide block 256 in slide 255 slides forwards, thus it is inner that the roll mandrel 12 connected with spiral shell head 254 is pushed frame 11.After roll and roll mandrel 12 coordinate installation, fasten all elements by the axle that pull bar and pre-load nut breaker roll axle 12 comprise roll and carry out pretension.Then, locking spiral cover and axle end baffle plate are installed.Push-and-pull hook and positioning baffle is provided with, the installation of this axle system namely completed outside frame 11.
In sum, the advantage of roll assembly attaching/detaching apparatus that proposes of the present invention and good effect are:
Roll assembly attaching/detaching apparatus of the present invention, for the version of existing roll assembly mid frame 11 with roll, the dismounting attending device of proposition, make roll mandrel 12 convenient with the dismounting of roll, reliability improves, and decreases the artificial step participated in, reduces labor strength and cost of labor.Meanwhile, use roll assembly attaching/detaching apparatus breaker roll axle 12 of the present invention and roll to carry out dismounting, decrease the tool changing time, improve the assembly precision of roll assembly, the equipment that effectively increases runs duration, is conducive to equipment and discharges production capacity further.
Wherein, when roll assembly attaching/detaching apparatus of the present invention adopts the profiling pallet 23 of Y type, the dismounting to size-reducing mill roll and roll mandrel 12 can be applied to further, make such as size-reducing mill roll, the dismounting of the class roll that equipment build and weight are all larger and roll mandrel, reliability and efficiency higher, and cost of labor is lower.
More than describe and/or illustrate the illustrative embodiments of the roll assembly attaching/detaching apparatus that the present invention proposes in detail.But embodiments of the present invention are not limited to particular implementation as described herein, on the contrary, the part of each embodiment and/or step can be separated with other part as described herein and/or step independent sum and used.Each part of an embodiment and/or each step also can be combined with other part of other embodiment and/or step.At introduction described and/or illustrated key element/part here/when waiting, term " ", " one " and " above-mentioned " etc. in order to expression exist one or more key element/part/etc.Term " comprises ", " comprising " and " having " in order to represent the open meaning included and refer to also can to exist except key element/part except listing/wait other key element/part/etc.In addition, the term " first " in claims and description and " second " etc. only use as mark, are not limit the numeral of its object.
Although be described the roll assembly attaching/detaching apparatus that the present invention proposes according to different specific embodiments, it will be recognized by those skilled in the art and can change enforcement of the present invention in the spirit and scope of claim.
Claims (10)
1. a roll assembly attaching/detaching apparatus, for loading and unloading a roll assembly, described roll assembly is comprised frame (11) and is assemblied in the roll of described frame (11) by roll mandrel (12), and described roll assembly attaching/detaching apparatus comprises:
Loading/unloading platform (21);
Detent mechanism (22), is located on described loading/unloading platform (21), to be positioned on described loading/unloading platform (21) by described roll assembly;
Profiling pallet (23), is liftably located on described loading/unloading platform (21), and when described profiling pallet (23) rises to a working depth, described profiling pallet (23) contacts and supports described roll; And
Charging crane (25), is located at described loading/unloading platform (21), with when described profiling pallet (23) contacts described roll, carries out dismounting to described roll mandrel (12).
2. roll assembly attaching/detaching apparatus according to claim 1, wherein, described loading/unloading platform (21) comprising:
Main platform (211), described detent mechanism (22), described profiling pallet (23) and described lowering or hoisting gear (24) are arranged at described main platform (211); And
At least one auxiliary platform (212), be connected to the periphery of described main platform (211), the setting position of described auxiliary platform (212) and described roll mandrel (12) direction one_to_one corresponding, and each described auxiliary platform (212) is respectively equipped with a described charging crane (25), with roll mandrel described in dismounting (12) correspondingly.
3. roll assembly attaching/detaching apparatus according to claim 1, wherein, described detent mechanism (22) comprising:
Two locating pieces (221), interval is fixed on described loading/unloading platform (21);
Clip slot (222), is fixed on described loading/unloading platform (21), and is positioned between described two locating pieces (221); And
Jackscrew (223), adjustable ground is located in one of them of described two locating pieces (221), during to be arranged in described frame (11) in described two locating pieces (221) and clip slot (222), screw the described frame in location (11).
4. roll assembly attaching/detaching apparatus according to claim 1, wherein, described loading/unloading platform (21) middle part is provided with fluting, and described profiling pallet (23) is driven by a lowering or hoisting gear (24) and is liftably located in described fluting.
5. roll assembly attaching/detaching apparatus according to claim 4, wherein, described lowering or hoisting gear (24) comprising:
Carrier (241), is fixed on described profiling pallet (23) below, to carry described profiling pallet (23);
First oil cylinder (242), be vertically located at described carrier (241) below, the upper end of described first oil cylinder (242) is connected to described carrier (241); And
Guide rod (243), vertically arranges and passes described carrier (241), to lead to described carrier (241) when described first oil cylinder (242) drives described carrier (241) to be elevated.
6. roll assembly attaching/detaching apparatus according to claim 1, wherein, described charging crane (25) comprising:
Second oil cylinder (251), is horizontally disposed with, and when its telescopic direction and described frame (11) are positioned described loading/unloading platform (21), described roll mandrel (12) direction is identical;
Spindle nose (252), telescopically is fixed on the front end of described second oil cylinder (251);
Rotating cylinder (253), is sheathed on described spindle nose (252) rotationally; And
Spiral shell head (254), is fixed on described rotating cylinder (253) front end;
When described spindle nose (252) stretches into described roll mandrel (12), by rotating described rotating cylinder (253), described spiral shell head (254) can be driven to screw with the inner hole thread of described roll shaft.
7. roll assembly attaching/detaching apparatus according to claim 6, wherein, described charging crane (25) also comprises:
Slide (255), is fixed on described loading/unloading platform (21), has the slideway identical with described second oil cylinder (251) telescopic direction; And
Slide block (256), is located in the slideway of described slide (255) slidably;
The front end of described second oil cylinder (251) is passed and is stretched out described slide block (256), and described spindle nose (252) is positioned at the front of described slide block (256), described rotating cylinder (253) is positioned between described slide block (256) and described spindle nose (252) front end.
8. roll assembly attaching/detaching apparatus according to claim 7, wherein, described loading/unloading platform (21) comprising:
Main platform (211), is provided with described detent mechanism (22), described profiling pallet (23) and described lowering or hoisting gear (24); And
At least one auxiliary platform (212), compartment of terrain is connected to the periphery of described main platform (211), the setting position of described auxiliary platform (212) and described roll mandrel (12) direction one_to_one corresponding;
The slide (255) of each described charging crane (25) is fixed on described auxiliary platform (212) correspondingly.
9. roll assembly attaching/detaching apparatus according to claim 6, wherein, described charging crane (25) also comprises:
Handwheel, is located on described rotating cylinder (253), to rotate described rotating cylinder (253).
10. the roll assembly attaching/detaching apparatus according to any one of claim 1 ~ 9, wherein, described frame (11) is triangular in shape and have three rolls and three roll mandrels (12), described profiling pallet (23) is in Y-shaped and have three trailing arms (231), when described profiling pallet (23) rises to described working depth, described three trailing arms (231) contact respectively and support described three rolls.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511028887.6A CN105537278B (en) | 2015-12-31 | 2015-12-31 | Roll assembly attaching/detaching apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511028887.6A CN105537278B (en) | 2015-12-31 | 2015-12-31 | Roll assembly attaching/detaching apparatus |
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| Publication Number | Publication Date |
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| CN105537278A true CN105537278A (en) | 2016-05-04 |
| CN105537278B CN105537278B (en) | 2018-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201511028887.6A Active CN105537278B (en) | 2015-12-31 | 2015-12-31 | Roll assembly attaching/detaching apparatus |
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| CN (1) | CN105537278B (en) |
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| SU1232308A1 (en) * | 1984-12-10 | 1986-05-23 | Производственное Объединение "Ново-Краматорский Машиностроительный Завод" | Arrangement for changing working stand rolls |
| US6116071A (en) * | 1996-08-13 | 2000-09-12 | Demag Italimpianti S.P.A. | Rolling mill for sizing tubes or cylindrical bodies in general in the iron and steel industry |
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| CN101618504A (en) * | 2009-06-16 | 2010-01-06 | 扬州力创机床有限公司 | Supporting roll assembling and disassembling machine |
| CN102921736A (en) * | 2012-11-21 | 2013-02-13 | 无锡市瑞尔精密机械股份有限公司 | Roller positioning device for assembly of seamless steel pipe sizing machine frame |
| CN203448399U (en) * | 2013-09-12 | 2014-02-26 | 太原重工股份有限公司 | Roll changing device of sizing mill |
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| SU1232308A1 (en) * | 1984-12-10 | 1986-05-23 | Производственное Объединение "Ново-Краматорский Машиностроительный Завод" | Arrangement for changing working stand rolls |
| US6116071A (en) * | 1996-08-13 | 2000-09-12 | Demag Italimpianti S.P.A. | Rolling mill for sizing tubes or cylindrical bodies in general in the iron and steel industry |
| US20020020205A1 (en) * | 2000-03-28 | 2002-02-21 | Ali Bindernagel | Rolling mill for rolling or sizing metallic pipes, bars or wires |
| DE102005042835B3 (en) * | 2005-09-09 | 2007-05-31 | Sms Meer Gmbh | Rolling mill for manufacturing tube and rod, includes rollers in roller frame located in stand, with adjusters which can be swung or translated and locked in position |
| CN101618504A (en) * | 2009-06-16 | 2010-01-06 | 扬州力创机床有限公司 | Supporting roll assembling and disassembling machine |
| CN102921736A (en) * | 2012-11-21 | 2013-02-13 | 无锡市瑞尔精密机械股份有限公司 | Roller positioning device for assembly of seamless steel pipe sizing machine frame |
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| Publication number | Publication date |
|---|---|
| CN105537278B (en) | 2018-06-01 |
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