CN104976201A - Single-face bonding method suitable for hard alloy strips in hard alloy hard-face machining process and application - Google Patents
Single-face bonding method suitable for hard alloy strips in hard alloy hard-face machining process and application Download PDFInfo
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- CN104976201A CN104976201A CN201510258550.8A CN201510258550A CN104976201A CN 104976201 A CN104976201 A CN 104976201A CN 201510258550 A CN201510258550 A CN 201510258550A CN 104976201 A CN104976201 A CN 104976201A
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- cemented carbide
- bar
- adhesive tape
- carbide bar
- groove plate
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- 238000000034 method Methods 0.000 title claims abstract description 57
- 239000000956 alloy Substances 0.000 title claims abstract description 46
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 46
- 238000003754 machining Methods 0.000 title abstract 3
- 239000002390 adhesive tape Substances 0.000 claims abstract description 110
- 238000003466 welding Methods 0.000 claims abstract description 19
- 238000005553 drilling Methods 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 239000003292 glue Substances 0.000 claims description 36
- 238000012545 processing Methods 0.000 claims description 35
- 239000000758 substrate Substances 0.000 claims description 29
- 238000004080 punching Methods 0.000 claims description 22
- 239000000463 material Substances 0.000 claims description 21
- 239000000853 adhesive Substances 0.000 claims description 16
- 230000001070 adhesive effect Effects 0.000 claims description 16
- 239000004743 Polypropylene Substances 0.000 claims description 7
- 229920001155 polypropylene Polymers 0.000 claims description 7
- 229920000728 polyester Polymers 0.000 claims description 4
- -1 polypropylene Polymers 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 2
- 239000011324 bead Substances 0.000 abstract 1
- 239000007921 spray Substances 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 10
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- 238000004519 manufacturing process Methods 0.000 description 8
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- 230000007547 defect Effects 0.000 description 5
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- 230000000284 resting effect Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000003672 processing method Methods 0.000 description 3
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 2
- 238000004500 asepsis Methods 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000012827 research and development Methods 0.000 description 1
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- 239000002699 waste material Substances 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
Abstract
The invention provides a single-face bonding method suitable for hard alloy strips in a hard alloy hard-face machining process and application. A locating groove plate for bonding is scientifically designed, the hard alloy strips are placed on the locating groove plate, the hard alloy strips are bonded through punched single-face adhesive tape, and the hard alloy strips or blocks are fixed through spot welding; and then the adhesive tape is placed on a steel surface of a to-be-machined component, and through spray welding, bead weld and grinding, the steel surface is machined into a hard surface. According to the method, the aim that a large number of hard alloy strips are bonded at a time is simply and easily achieved, the bonding efficiency is greatly improved, and the conditions that due to manual operation, the bonding angles are different, and the bonding intervals are uneven are avoided; the bonding precision is improved, and wear resistance of the product hard surface can be effectively ensured and improved; and the method can be well applied to the aspect of hard-face machining of centering guides or TC bearings of drilling tools or screw drilling tools.
Description
Technical field
The present invention relates to Hardmetal materials manufacturing technology field, more specifically, relate to a kind of method of a large amount of, small size cemented carbide bonding and the application in the alloy block bonding on helicoid hydraulic motor centralizer or TC radial bearing surface thereof.
Background technique
Exploitation drilling tool or helicoid hydraulic motor are a kind of is power with drilling fluid, fluid pressure can be transferred to the positive displacement mud motor of mechanical energy, play a significant role at drilling field.
Centralizer and TC bearing (radial bearing) are the vitals of drilling tool, such as TC bearing, and it in helicoid hydraulic motor, bear drill bit and cardan shaft rotates the lateral force produced, and TC radial bearing is the critical component in the working life affecting drill rod boring tool.
Centralizer and TC bearing surface need to weld or sinter a lot of cemented carbide bar (hard alloy blocks) of quantity, to improve the wear resistance of TC bearing.External processing method is, adopts the method for spot welding that cemented carbide bar or block are fixed on workpiece metal surface, then adopts the primer base of surfacing low melting point, last built-up welding hard material, be processed into finished product through mill.This kind of processing method and technique is domestic does not also apply, domestic is adopt to punch on the wear-resistant strip of centralizer, is embedded in hole, at the edge build-up wear-resistant material of centralizer by cemented carbide gauge teeth.
Produce TC bearing and centralizer is wear-resisting add stiff ribbon time, each TC bearing and centralizer need bonding hundreds and thousands of cemented carbide bar, and the wearing plate that some mining machineries, engineering machinery use, wear-resistant strip are also need to weld a lot of cemented carbide bar of quantity.These work, domestic is all, by an artificial plot, cemented carbide bar and block are placed in metal surface, and by 502 bondings such as Instant cement such as grade, manufacturing efficiency is low, and dimensional accuracy can not ensure, cost of production is high; Abroad have to adopt on rubber plate and punch, manually cemented carbide bar and block are placed in hole, and then the method for spot welding, but equally existence manually put waste time and energy, technological deficiency that manufacturing efficiency is low.
A large amount of, small size cemented carbide bar (block) are bonded in tool surfaces, and have certain size, shape and angle requirement, and manual operation is wasted time and energy, according to statistics, the mode of manual adhesive, employee's a whole day can only bond 3 ~ 5 larger TC bearings (radial bearing in helicoid hydraulic motor), manual operation is loaded down with trivial details, precision is low, and efficiency is low, and cost is high, how bonding operation is formed systematize, thus saving cost, improving precision and efficiency, is the current problem demanding prompt solution in related domain.
Summary of the invention
The technical problem to be solved in the present invention is that when boning for existing cemented carbide bar, efficiency is low, cost is high, the unwarrantable defect of precision, a kind of adhesive method being applicable to cemented carbide bar in the processing of cemented carbide stiff dough is provided, the method is simple, efficient, precision is high, and effectively solving need by manually putting and pasting cemented carbide bar to complete the technological deficiency of cemented carbide stiff dough processing.
The object of the invention is achieved by the following technical programs:
A kind of adhesive method being applicable to cemented carbide bar in the processing of cemented carbide stiff dough is provided, comprises the steps:
S1. positioning groove plate is prepared;
S2. cemented carbide bar is placed on positioning groove plate, on request cemented carbide bar is well placed in the groove of positioning groove plate, and unnecessary cemented carbide bar is fallen from positioning groove plate;
S3. with punching the bonding cemented carbide bar of one-faced tapes, make cemented carbide bar and adhesive tape bonding firm; And the center in hole and cemented carbide bar center are coincide;
S4. adopt the method for spot welding, cemented carbide bar or block are fixed;
Wherein, positioning groove plate described in S1 comprises substrate and is arranged at the alloy bar locating slot on substrate, the size of described alloy bar locating slot and the size of described cemented carbide bar suitable;
Adhesive tape described in S3 step is one-faced tapes.
The bonding of existing cemented carbide bar, domestic production producer be all by artificial one time one piece cemented carbide bar is bonded in goods and needs on the crust of processing, or adopt and punch on the wear-resistant strip of centralizer, cemented carbide gauge teeth is embedded in hole, at the edge build-up wear-resistant material of centralizer; Abroad add man-hour at exploitation drilling tool and helicoid hydraulic motor critical piece centralizer and TC bearing stiff dough, first cemented carbide bar or block are punched on rubber plate by being manually placed in, then adopt the method for spot welding that cemented carbide bar or block are fixed on workpiece metal surface, then the primer base of surfacing low melting point is adopted, last built-up welding hard material, is processed into finished product through mill.These methods all need manually to carry out putting a large amount of, undersized cemented carbide bar or block, inefficiency during production, and precision is very low, and some Bonds such as method onsite application 502 grade, cloth glue is uneven, returns direct labor and causes healthy hidden danger.
The size of the present invention's crust of processing component as required, the positioning groove plate of scientific design different size size, positioning groove plate is arranged and the cemented carbide bar that will paste or the suitable groove of block size, during work, cemented carbide bar is placed on positioning groove plate, the corresponding cemented carbide bar of one groove, after clearing away unnecessary cemented carbide bar, at the adhesive tape of the surface mount punching that all cemented carbide bars are formed, just disposablely can make the cemented carbide bar haftplatte of monoblock processing required for crust, increase substantially cemented carbide bar adhering speed, substantially increase bonding efficiency, time saving and energy saving, reduce cost, and the use of positioning groove plate when also improving manual operation bonding angle differ, the situations such as bonding interval is uneven, improve bonding precision, ensure and improve the wear resistance of goods crust.
Preferably, make cemented carbide bar and adhesive tape bonding be firmly by beaing gently and pressing adhesive tape and alloy bar described in S3 step, cemented carbide bar and adhesive tape are bondd firmly.
Preferably, S3 step also comprises the operation of being repaired by unnecessary adhesive tape.
One of optional scheme, described positioning groove plate substrate and locating slot are integrated, and on substrate, the degree of depth of its alloy bar locating slot is not more than the thickness of described cemented carbide bar.Appropriate cemented carbide bar is placed in after on positioning groove plate, cemented carbide bar major part one_to_one corresponding falls into locating slot, do not fall into manually putting into of cemented carbide bar in indivedual locating slot, unnecessary cemented carbide bar from positioning groove plate sweep fall to staying time for subsequent use.At the adhesive tape of the surface mount punching that all cemented carbide bars are formed, the cemented carbide bar haftplatte of monoblock processing required for crust just disposablely can be made.
Further preferably, the corner of locating slot arranges location group on the substrate, and this location group can help the paste position of operator's positional punch adhesive tape exactly.
Optional scheme two, described positioning groove plate comprises substrate and is arranged at the alloy bar locating slot on substrate, described substrate is made up of some liftable boss, and described alloy bar locating slot is the groove lattice be made up of the slotted eye of some hollow outs, can only hold a cemented carbide bar in slotted eye; Described boss can from slotted eye position liter or landing accordingly; The size of described boss and groove lattice is suitable and suitable with the size of described cemented carbide bar.First boss is made to be in original state, the plane that boss is formed becomes the bottom surface of groove lattice, appropriate cemented carbide bar is placed in after on positioning groove plate, cemented carbide bar major part one_to_one corresponding falls within corresponding boss through location notch hole, do not fall in indivedual locating slot cemented carbide bar by manually putting into, unnecessary cemented carbide bar from positioning groove plate sweep fall to staying secondary for subsequent use.Cemented carbide bar has been discharged on inspection in institute's grooved hole, all boss are risen together from slotted eye, on boss, the plane of cemented carbide bar composition exceeds groove lattice, at the adhesive tape of the surface mount punching that all cemented carbide bars are formed, the cemented carbide bar haftplatte of monoblock processing required for crust just disposablely can be made.
Traditional cementi mostly uses common Instant cement, and adhesion strength is poor, and the cemented carbide bar of bonding easily comes off.And evaporation is fast, affects operator ' s health.The present invention creatively uses adhesive tape bonding cemented carbide bar, adhesive tape has suitable intensity and toughness, with the weight of cemented carbide bar, there is good suitability, the weight of alloy bar rationally can be born after bonding, adhesive tape after bonding cemented carbide bar is indeformable, be beneficial to very much the progress of following process program, thus ultimate guarantee bond quality.Meanwhile, adhesive tape has higher heat resistance, can be competent at the overall requirement of processing technology.
External prior art generally adopts rubber glue based material, and this glue system viscosity is large, but easily aging, and the resting period is short.The present invention adopts organic adhesive tape, and rubber belt material is polypropylene (PP), polyester (BET), and the glue based material on adhesive tape preferably adopts acrylate glue; Experimental results demonstrate through the present invention, adopt this glue based material, the viscosity of organic adhesive tape is large, cloth glue is even, thickness is controlled, resting period is long, the cemented carbide difficult drop-off of bonding, not only can strong bond in metal surface, also can firmly bonding graphite, precoated sand surface.At high temperature, rubber belt material can vapor away, and does not affect quality of product.
Described adhesive tape comprises adhesive tape basic unit, the glue layer be coated in adhesive tape basic unit, the back end be covered on glue layer.After back end is removed, by glue layer bonding cemented carbide bar, easy to operate.
Preferably, punching described in S3 step adopts laser boring, effectively avoid the defect that the easy adhesion of other drilling method adhesive tapes, speed are comparatively slow, precision is not high, after adopting the method for laser boring to ensure adhesive tape punching, pass is perfect, trepanning velocity is fast, precision is high, forms perfectly unified, the significant beneficial effect of common guarantee with the technique of other steps of the present invention.
Described hole can be the pass of circular hole, square opening or other shapes.
Invention also provides the application of described method, the centralizer of helicoid hydraulic motor or the stiff dough processing aspect of TC bearing can be advantageously applied to.
The inventive method is applied to the centralizer of exploitation drilling tool and helicoid hydraulic motor or the stiff dough processing of TC bearing, concrete processing method comprises the following steps:
S1. positioning groove plate is prepared;
Described positioning groove plate is a flat board, and described planar surface is provided with the groove suitable with described cemented carbide bar size; The degree of depth of described groove is not more than the thickness of described cemented carbide bar;
S2. cemented carbide bar is placed on positioning groove plate, on request cemented carbide bar is well placed on positioning groove plate, and unnecessary cemented carbide bar is fallen from positioning groove plate;
S3. with punching adhesive tape bonding cemented carbide bar, make cemented carbide bar and adhesive tape bonding firm;
S4. adopt the method for spot welding, cemented carbide bar or block are fixed;
S5. on the wear-resistant strip another side of adhesive tape being placed in centralizer or the steel surface of TC bearing, through surfacing, built-up welding, grinding finished product.
The present invention has following beneficial effect:
The present invention first creatively designs bonding positioning groove plate, the size of the present invention's crust of processing component as required, the positioning groove plate of scientific design different size size, positioning groove plate processing dimension is accurate, speed is fast, easy to operate, positioning groove plate is arranged and the cemented carbide bar that will paste or the suitable groove of block size, during work, cemented carbide bar is placed on positioning groove plate, the corresponding cemented carbide bar of one groove, after clearing away unnecessary cemented carbide bar, all cemented carbide bars discharge neatly on positioning groove plate.
The present invention scientifically adopts adhesive tape to carry out being bonded in the cemented carbide bar or block that positioning groove plate discharges simultaneously.At the adhesive tape of the surface mount punching that all cemented carbide bars are formed, the cemented carbide bar positioning groove plate of monoblock processing required for crust just disposablely can be made.The present invention creatively uses adhesive tape bonding cemented carbide bar, adhesive tape has suitable intensity and toughness, with the weight of cemented carbide bar, there is good suitability, the weight of alloy bar rationally can be born after bonding, adhesive tape after bonding cemented carbide bar is indeformable, be beneficial to very much the progress of following process program, thus ultimate guarantee bond quality.Meanwhile, adhesive tape has higher heat resistance, can be competent at the overall requirement of processing technology.
Further, the present invention has all carried out reasonably optimizing at the kind of adhesive tape, drilling technology, the coordination achieving the beneficial effects such as viscosity is large, cloth glue is even, thickness is controlled, the resting period is long, the cemented carbide difficult drop-off of bonding in adhesive tape kind embodies, and ensure that the fine quality that crust of the present invention bonding is produced.In drilling technology, the present invention adopts laser boring, effectively avoid the defect that the easy adhesion of other drilling method adhesive tapes, speed are comparatively slow, precision is not high, after adopting the method for laser boring to ensure adhesive tape punching, pass is perfect, trepanning velocity is fast, precision is high, forms perfectly unified, the significant beneficial effect of common guarantee with the technique of other steps of the present invention.
The implementation result a large amount of from the present invention proves, the present invention can increase substantially cemented carbide bar adhering speed, substantially increases bonding efficiency, time saving and energy saving, reduces cost; Break through the confinement of prior art, bond when thoroughly improving manual operation the situations such as angle differs, the interval that bonds is uneven, improves bonding precision, the wear resistance of effective guarantee and raising goods crust.
The bonding that the inventive method is equally applicable to other materials bar except Hardmetal materials or block is produced, and simply adjusts corresponding technique or material with reference to marrow of the present invention.
Accompanying drawing explanation
The structural representation (plan view) that Fig. 1 is positioning groove plate described in the embodiment of the present invention 1.
The structural representation (plan view is provided with location group) that Fig. 2 is positioning groove plate described in the embodiment of the present invention 1.
The structural representation (being provided with the boss base plate of rising) that Fig. 3 is positioning groove plate described in the embodiment of the present invention 3.
Fig. 4 is the inventive method operation technological process schematic diagram.
Fig. 5 one-faced tapes structural representation of the present invention.
The structural representation of the haftplatte formed after Fig. 6 adhesive tape bonding of the present invention cemented carbide bar.
Fig. 7 haftplatte of the present invention is bonded in the structural representation on the steel body of TC bearing or centralizer.
Steel body structure schematic diagram after Fig. 8 TC bearing of the present invention or centralizer flood.
The cemented carbide bar design sketch that Fig. 9 adopts the inventive method to bond.
Embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are described in detail, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.Embodiment of the present invention accompanying drawing, only for exemplary illustration, can not be interpreted as limitation of the present invention.To those skilled in the art, in accompanying drawing, some known features and explanation thereof may be omitted is understandable.
embodiment 1
Present embodiments provide a kind of positioning groove plate being applicable to the bonding of cemented carbide bar in the processing of cemented carbide stiff dough, its structural representation as shown in Figure 1.Described positioning groove plate comprises substrate and is arranged at the alloy bar locating slot on substrate, the size of described alloy bar locating slot and the size of described cemented carbide bar suitable.
Described positioning groove plate substrate and locating slot are integrated, and on substrate, the degree of depth of its alloy bar locating slot is not more than the thickness of described cemented carbide bar.Appropriate cemented carbide bar is placed in after on positioning groove plate, cemented carbide bar major part one_to_one corresponding falls into locating slot, do not fall into manually putting into of cemented carbide bar in indivedual locating slot, unnecessary cemented carbide bar from positioning groove plate sweep fall to staying time for subsequent use.At the adhesive tape of the surface mount punching that all cemented carbide bars are formed, the cemented carbide bar haftplatte of monoblock processing required for crust just disposablely can be made.
Further preferably, as shown in Figure 2, the corner of locating slot arranges location group on the substrate, and this location group can help the paste position of operator's positional punch adhesive tape exactly.
embodiment 2
Based on positioning groove plate described in embodiment 1, the present embodiment provides a kind of adhesive method being applicable to cemented carbide bar in the processing of cemented carbide stiff dough, and process flow diagram as shown in Figure 4.Described method comprises the steps:
S1. positioning groove plate is prepared;
S2. cemented carbide bar is placed on positioning groove plate, on request cemented carbide bar is well placed on positioning groove plate, and unnecessary cemented carbide bar is fallen from positioning groove plate;
S3. with the adhesive tape bonding cemented carbide bar of punching, make cemented carbide bar bonding with the one side of adhesive tape firmly; The present embodiment adopts one-faced tapes (adhesive tape only has one side to employ glue based material), makes adhesive tape have the one side of glue bonding with cemented carbide bar firmly;
S4. adopt the method for spot welding, cemented carbide bar or block are fixed;
Wherein, positioning groove plate described in S1 comprises substrate and is arranged at the alloy bar locating slot on substrate, the size of described alloy bar locating slot and the size of described cemented carbide bar suitable.
S5. on wear-resistant strip adhesive tape another side being placed in centralizer or the steel surface of TC bearing, through surfacing, built-up welding, grinding finished product.
Cemented carbide bar and adhesive tape bonding is made firmly can, by beaing adhesive tape and alloy bar gently, cemented carbide bar and adhesive tape to be bondd firmly described in S3 step.
S3 step can also comprise the operation of being repaired by unnecessary adhesive tape.
Use adhesive tape bonding cemented carbide bar, adhesive tape has suitable intensity and toughness, with the weight of cemented carbide bar, there is good suitability, the weight of alloy bar rationally can be born after bonding, adhesive tape after bonding cemented carbide bar is indeformable, be beneficial to very much the progress of following process program, thus ultimate guarantee bond quality.Meanwhile, adhesive tape has higher heat resistance, can be competent at the overall requirement of processing technology.The present invention preferably adopts organic adhesive tape, material on adhesive tape preferably adopts polypropylene (PP), polyester (BET) adhesive glue to adopt acrylate glue, experimental results demonstrate through the present invention, adopt this glue based material, the viscosity of organic adhesive tape is large, cloth glue is even, thickness is controlled, resting period is long, the cemented carbide difficult drop-off of bonding.
Described organic gel can be pasted with back end ground paper with the one side of glue, is torn off by back end paper, expose glue face before using adhesive tape bonding cemented carbide bar.Very easy to use.
The structural representation of adhesive tape as shown in Figure 5.Described adhesive tape comprises adhesive tape basic unit, is coated on the glue layer of adhesive tape basic unit and is covered on the back end of glue layer; The back end of removing adhesive tape, bonds glue layer and cemented carbide bar firmly, and the structure formed after adhesive tape bonding cemented carbide bar can be referred to as haftplatte (shown in accompanying drawing 6), can fix cemented carbide bar further by spot welding; Then the another side of adhesive tape is placed on the steel body surface of TC bearing or centralizer, the haftplatte structural representation be bonded on the steel body of TC bearing or centralizer is shown in shown in accompanying drawing 7, carry out carrying out follow-up manufacturing procedure with reference to existing routine, the steel body structure schematic diagram after the TC bearing after dipping or centralizer flood is shown in shown in accompanying drawing 8.
Punching described in S3 step can adopt existing mechanical punching or adopt laser boring, preferably adopts laser boring.Laser boring effectively can avoid the defect that the easy adhesion of other drilling method adhesive tapes, speed are comparatively slow, precision is not high, after adopting the method for laser boring to ensure adhesive tape punching, pass is perfect, trepanning velocity is fast, precision is high, form perfectly unified with the technique of other steps of the present invention, the significant beneficial effect of common guarantee.
Described hole can be the pass of circular hole, square opening or other shapes.
The present invention compared to existing technologies, substantially increases bonding efficiency, saves cost of labor; The positioning groove plate of machinery processing, makes the precision of binder alloy bar significantly improve, and the use asepsis environment-protecting of organic adhesive tape.
embodiment 3
Present embodiments provide the positioning groove plate that another kind is applicable to the bonding of cemented carbide bar in the processing of cemented carbide stiff dough, its structural representation as shown in Figure 3.Described positioning groove plate comprises substrate and is arranged at the alloy bar locating slot on substrate, the size of described alloy bar locating slot and the size of described cemented carbide bar suitable.
Described positioning groove plate comprises substrate and is arranged at the alloy bar locating slot on substrate, and described substrate is made up of some liftable boss, and described alloy bar locating slot is the groove lattice be made up of the slotted eye of some hollow outs, can only hold a cemented carbide bar in slotted eye; Described boss can from slotted eye position liter or landing accordingly; The size of described boss and groove lattice is suitable and suitable with the size of described cemented carbide bar.First boss is made to be in original state, the plane that boss is formed becomes the bottom surface of groove lattice, appropriate cemented carbide bar is placed in after on positioning groove plate, cemented carbide bar major part one_to_one corresponding falls within corresponding boss through location notch hole, do not fall in indivedual locating slot cemented carbide bar by manually putting into, unnecessary cemented carbide bar from positioning groove plate sweep fall to staying secondary for subsequent use.Cemented carbide bar has been discharged on inspection in institute's grooved hole, all boss are risen together from slotted eye, on boss, the plane of cemented carbide bar composition exceeds groove lattice, at the adhesive tape of the surface mount punching that all cemented carbide bars are formed, the cemented carbide bar haftplatte of monoblock processing required for crust just disposablely can be made.
Beat alloy bar gently further, cemented carbide bar and adhesive tape are bondd firmly, finally unnecessary adhesive tape is repaired, when output is larger, can mechanized operation be adopted.
embodiment 4
Based on positioning groove plate described in embodiment 3, the present embodiment provides a kind of adhesive method being applicable to cemented carbide bar in the processing of cemented carbide stiff dough, and process flow diagram, see shown in accompanying drawing 4, comprises the steps:
S1. positioning groove plate is prepared;
S2. appropriate cemented carbide bar is placed on positioning groove plate, positioning groove plate of bobbing and weaving, cemented carbide bar is fallen in locating slot plate hole, and unnecessary cemented carbide bar is fallen from positioning groove plate; Positioning groove plate base plate is risen, makes cemented carbide bar increase in hole formation one plane;
S3. with punching adhesive tape bonding cemented carbide bar, make cemented carbide bar and adhesive tape bonding firm;
The present embodiment adopts one-faced tapes (adhesive tape only has one side to employ glue based material), makes adhesive tape have the one side of glue bonding with cemented carbide bar firmly;
S4. adopt the method for spot welding, cemented carbide bar or block are fixed;
Wherein, positioning groove plate described in S1 comprises substrate and is arranged at the alloy bar locating slot on substrate, the size of described alloy bar locating slot and the size of described cemented carbide bar suitable.
S5. on wear-resistant strip adhesive tape another side being placed in centralizer or the steel surface of TC bearing, through surfacing, built-up welding, grinding finished product.
Cemented carbide bar and adhesive tape bonding is made firmly can, by beaing adhesive tape and alloy bar gently, cemented carbide bar and adhesive tape to be bondd firmly described in S3 step.
S3 step can also comprise the operation of being repaired by unnecessary adhesive tape.
Use adhesive tape bonding cemented carbide bar, adhesive tape has suitable intensity and toughness, with the weight of cemented carbide bar, there is good suitability, the weight of alloy bar rationally can be born after bonding, adhesive tape after bonding cemented carbide bar is indeformable, be beneficial to very much the progress of following process program, thus ultimate guarantee bond quality.Meanwhile, adhesive tape has higher heat resistance, can be competent at the overall requirement of processing technology.The present invention preferably adopts organic adhesive tape, rubber belt material preferably adopts polypropylene (PP), polyester (BET), paper glue system adopts acrylic, experimental results demonstrate through the present invention, adopt this glue based material, the viscosity of organic adhesive tape is large, cloth glue is even, thickness is controlled, and the resting period is long, the cemented carbide difficult drop-off of bonding.
Described organic gel can be pasted with back end paper with the one side of glue, is torn off by back end paper, expose glue face before using adhesive tape bonding cemented carbide bar.Very easy to use.
The structural representation of adhesive tape as shown in Figure 5.Described adhesive tape comprises adhesive tape basic unit, is coated on the glue layer of adhesive tape basic unit and is covered on the back end of glue layer; The back end of removing adhesive tape, bonds glue layer and cemented carbide bar firmly, and the structure formed after adhesive tape bonding cemented carbide bar can be referred to as haftplatte (shown in accompanying drawing 6), can fix cemented carbide bar further by spot welding; Then the another side of adhesive tape is placed on the steel body surface of TC bearing or centralizer, the haftplatte structural representation be bonded on the steel body of TC bearing or centralizer is shown in shown in accompanying drawing 7, carry out carrying out follow-up manufacturing procedure with reference to existing routine, the steel body structure schematic diagram after the TC bearing after dipping or centralizer flood is shown in shown in accompanying drawing 8.
Punching described in S3 step can adopt existing mechanical punching or adopt laser boring, preferably adopts laser boring.Laser boring effectively can avoid the defect that the easy adhesion of other drilling method adhesive tapes, speed are comparatively slow, precision is not high, after adopting the method for laser boring to ensure adhesive tape punching, pass is perfect, trepanning velocity is fast, precision is high, form perfectly unified with the technique of other steps of the present invention, the significant beneficial effect of common guarantee.
Described hole can be the pass of circular hole, square opening or other shapes.
The present invention compared to existing technologies, substantially increases bonding efficiency, saves cost of labor; The positioning groove plate of machinery processing, makes the precision of binder alloy bar significantly improve, and the use asepsis environment-protecting of organic adhesive tape.
The present invention includes but be not limited to above-described embodiment lot of experiments sum up, adopt the bonding cemented carbide bar of the inventive method, working efficiency is 8 ~ 10 times that manually put alloy bar, bond effect stable and uniform, gap length between alloy bar is consistent, ultimate guarantee and the wear resistance that improve centralizer and TC bearing.
The present invention from research and development carried out multiple batches of test in a lot of producer up till now, experiment results proved the inventive method technical maturity, constant product quality, Performance Ratio is manually bonded with and significantly improves.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included in of the present invention comprising within scope.
Claims (10)
1. be applicable to an adhesive method for cemented carbide bar in the processing of cemented carbide stiff dough, it is characterized in that, comprise the steps:
S1. positioning groove plate is prepared;
S2. cemented carbide bar is placed on positioning groove plate, and unnecessary cemented carbide bar is fallen from positioning groove plate;
S3. with punching adhesive tape bonding cemented carbide bar, make cemented carbide bar and adhesive tape bonding firm;
S4. adopt the method for spot welding, cemented carbide bar or block are fixed;
Wherein, positioning groove plate described in S1 comprises substrate and is arranged at the alloy bar locating slot on substrate, the size of described alloy bar locating slot and the size of described cemented carbide bar suitable;
Adhesive tape described in S3 step is one-faced tapes, and adhesive tape has the one side bonding cemented carbide bar of glue layer.
2. be applicable to the adhesive method of cemented carbide bar in the processing of cemented carbide stiff dough according to claim 1, it is characterized in that, make cemented carbide bar and adhesive tape bonding be firmly by pressing alloy bar gently described in S3 step, cemented carbide bar and adhesive tape are bondd firmly.
3. be applicable to the adhesive method of cemented carbide bar in the processing of cemented carbide stiff dough according to claim 1, it is characterized in that, S3 step also comprises the operation of being repaired by unnecessary adhesive tape.
4. be applicable to the adhesive method of cemented carbide bar in the processing of cemented carbide stiff dough according to claim 1, it is characterized in that, the degree of depth of described alloy bar locating slot is not more than the thickness of described cemented carbide bar.
5. be applicable to the adhesive method of cemented carbide bar in the processing of cemented carbide stiff dough according to claim 1, it is characterized in that, described positioning groove plate comprises substrate and is arranged at the alloy bar locating slot on substrate, described substrate is made up of some liftable boss, described alloy bar locating slot is the groove lattice be made up of the slotted eye of some hollow outs, and described boss is from slotted eye position liter or landing accordingly; The size of described boss and groove lattice is suitable and suitable with the size of described cemented carbide bar.
6. be applicable to the adhesive method of cemented carbide bar in the processing of cemented carbide stiff dough according to claim 1, it is characterized in that, described adhesive tape comprises adhesive tape basic unit, the glue layer be coated in adhesive tape basic unit, the back end be covered on glue layer.
7. according to claim 1 or 6, be applicable to the adhesive method of cemented carbide bar in the processing of cemented carbide stiff dough, it is characterized in that, the material of the glue layer of described adhesive tape is polypropylene glue or polyester adhesive rubber glue based material.
8. be applicable to the adhesive method of cemented carbide bar in the processing of cemented carbide stiff dough according to claim 1, it is characterized in that, punching described in S3 step adopts laser boring.
9. an application for method described in any one of claim 1 to 8, is characterized in that, is applied to the centralizer of drilling tool or the stiff dough processing aspect of TC bearing.
10. application according to claim 9, is characterized in that, described application is undertaken by following steps:
S1. positioning groove plate is prepared;
Described positioning groove plate comprises substrate and is arranged at the alloy bar locating slot on substrate, the size of described alloy bar locating slot and the size of described cemented carbide bar suitable;
S2. cemented carbide bar is placed on positioning groove plate, on request cemented carbide bar is well placed on positioning groove plate, and unnecessary cemented carbide bar is fallen from positioning groove plate;
S3. with punching adhesive tape bonding cemented carbide bar, make cemented carbide bar and adhesive tape bonding firm;
S4. adopt the method for spot welding, cemented carbide bar or block are fixed;
S5. adhesive tape another side is placed with on the wear-resistant strip of centralizer or TC bearing steel surface, through surfacing, built-up welding, grinding finished product.
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| CN201510258550.8A CN104976201B (en) | 2015-05-20 | 2015-05-20 | The one side adhesive method of hard alloy bar and its application suitable for the processing of hard alloy stiff dough |
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| CN104976201B (en) | 2017-07-11 |
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Denomination of invention: Single-face bonding method suitable for hard alloy strips in hard alloy hard-face machining process and application thereof Effective date of registration: 20171226 Granted publication date: 20170711 Pledgee: Zhuzhou hi-tech torch Asset Management Co., Ltd. Pledgor: Zhuzhou Jinwei Cemented Carbide Co., Ltd. Registration number: 2017980000555 |