CN1059849C

CN1059849C - Bending apparatus for obtaining spiral pipe

Info

Publication number: CN1059849C
Application number: CN96105394A
Authority: CN
Inventors: 沈忍源
Original assignee: Individual
Current assignee: Individual
Priority date: 1996-06-10
Filing date: 1996-06-10
Publication date: 2000-12-27
Anticipated expiration: 2016-06-10
Also published as: CN1167660A

Abstract

The present invention relates to a pipe bending machine which realizes that a pipe is bent into a helical pipe. A feeding device comprises a driving motor, a bed table, a clamping head and a slide seat; a clamping head turning device comprises a plurality of gears; a pipe bending device comprises a plurality of roller molds and an elevating mechanism. The present invention is characterized in that the slide seat is positioned astride the bed table, and a clamping head for clamping a pipe is pinned to the front end of the slide seat; the driving motor is positioned on one side of the bed table, the clamping head turning device is positioned between the driving motor and the clamping head, and engaged gears of the clamping head turning device are pinned to a rotary clamping head in parallel linkage, which is between the driving motor and the clamping head; the pipe bending device is arranged in front of the bed table, and the roller molds are coupled with the elevating mechanism which can adjust the center height of the roller molds. The present invention is applicable to machining and shaping pipes.

Description

Bend to the device of obtaining spiral pipe

The present invention relates to the bending pipes shaped device, refer in particular to a kind of device straight tube bending curl tubing.

Existing bending machine in order to the swan-neck material forming generally all is to adopt a plurality of mould rollers, and tubing is entered between each mould roller with straight line, and the equation of the ecentre between each mould roller of mat makes tubing rolling bending, forms required curvature tubing; Another kind is the head end with edge clamping one tubing of a base wheel, rotates an angle with the center of this base wheel, makes tubing be attached at the edge of this base wheel and forms tubing with this base wheel same curvature.These two kinds of mode processing unit (plant)s just bend to the bending of same vertical axial plane to tubing, can't form tubing multidirectional or that helical form is crooked.

The objective of the invention is to disclose a kind of device that the straight tube material can be bent to obtaining spiral pipe.

The object of the present invention is achieved like this: bend to the device of obtaining spiral pipe, it is a kind of device with straight tube bending curl tubing, and it comprises that a feed arrangement, turns a cartridge device and a swan neck system; It is characterized in that: feed arrangement, thereby it comprise a bed platform, one be positioned at the CD-ROM drive motor of a platform one side, one bridge that slide on the bed platform, one are used for the clamping straight tube and be hubbed on chuck on the slide front end and rotating drive mechanism thereof, one future self-driven motor transmission of power give slide and make slide and and then transmission device that this chuck is moved along the straight line direction; Between CD-ROM drive motor and chuck, turn cartridge device for one, it has many intermeshing and be hubbed on gear between CD-ROM drive motor and the chuck, these gears link to each other with described transmission device, thereby give described chuck rotating drive mechanism with the part transmission of power of CD-ROM drive motor, in a plane vertical, rotate with the linear movement direction of described slide thereby drive this chuck; One is arranged on a swan neck system in platform the place ahead, and it has many roller dies and is connected that all roll the synthetic fibre mould with one and is used to regulate the elevating mechanism of roller die centre-height.

Above-mentioned design, after CD-ROM drive motor starts, can make feed arrangement along the bed platform vertically march forward to and turn chuck simultaneously the tubing interlock of clamping rotated between each roller die, tubing is imposed bending machining on the Different Diameter degree, to form a spiral helicine tubing.

Be described further below by drawings and Examples.

Fig. 1 structure of the present invention is formed schematic diagram;

Fig. 2 chuck clockwise direction of the present invention changes schematic diagram;

Fig. 3 chuck of the present invention counterclockwise changes schematic diagram;

Fig. 4 the present invention removes chuck with bend in one direction tubing schematic diagram;

As Fig. 1, wherein, in this feed arrangement 1, bed platform 100 both sides are provided with slide rail 101, and slide 11 bottom pivots are equipped with a plurality of pulleys 111 that sleeve to two wood side-guides 101; Both sides, slide 11 rear end are provided with two driving shaft holders, 12, one driving shafts 121 and are installed in the driving shaft holder 12, after its first axle head 121a passes a driving shaft holder 12, are provided with a gear 122; This gear 122 often meshes the travelling gear M1 of CD-ROM drive motor M, and the second axle head 121b of this driving shaft 121 is provided with a gear 123, and these gear 123 engaged transmission are turned cartridge device 2.Form a stage casing gear 124 in these driving shaft 12 stage casings in addition, this stage casing gear 124 often meshes a driving rack 102 that is fixedly arranged on the platform 100; Slide 11 is established front end pivot seat 110, chuck 13 is three-jaw or multijaw chuck and is hubbed in the front end pivot seat 110 of slide 11, chuck 13 rear sides connect a gear 131, turn cartridge device 2 and are provided with and turn chuck 222, and gear 131 often meshes and turns chuck driven wheel 222.

Wherein, this is turned and is provided with a steering mechanism 21, a chuck driving wheel 22 and a spiral arm 23 in the cartridge device 2; A control panel 210 is contained in steering mechanism 21, control panel 210 is installed on this slide 11 and mat one location finger setting is stable in slide 11, be the triangular shape arrangement by three gears 211,212,213 and be hubbed at this control panel 210, wherein first gear 211 often meshes one second gear 212, second gear 212 often meshes the 3rd gear 213, and chuck driving wheel 22 contains gear 221, rotating shaft 220; Slide 11 front ends are provided with a wheel seat 220a, and rotating shaft 220 is installed on the wheel seat 220a, the rotating shaft 220 terminal chuck driven wheels 222 that connect, and chuck pivot moving gear 222 often meshes the gear 131 that chuck 13 ends are connected; Spiral arm 23 is installed on the wheel seat 220a, and mat one location bolt 24 is positioned wheel seat 220a adjustably; Spiral arm 23 is equipped with a chute 231, and bolt 231a of mat cooperates a nut affixed adjustablely to connect gear 232, and this connects the 3rd gear 213 of gear 232 engagement steering mechanism 21 and the gear 221 of chuck driving wheel 22 links to rotate with this chuck 13.In addition can install a gear additional, to mesh an outer gear of rotating shaft 220 that is installed in chuck driving wheel 22, with the rotating speed of this chuck 13 of conversion in the axle bolt 231a outside that connects gear 232.

Wherein, the control panel 210 of this steering mechanism 21, lengthwise extend a control lever 210a, and first gear 211 on this control panel 210 or second gear 212 are engaged in the gear 123 that this driving shaft 121 second axle head 121b are connected with; Wherein, 123 of gears that are connected with this driving shaft 121 second axle head 121b in this steering mechanism 11 idle pulley 20 that is pivoted, this idle pulley 20 meshing gear 123 and can being meshed often with first gear 211 or second gear 212 of steering mechanism 11.The effect of idle pulley 20 mainly is to reduce each gear diameter, if the gear that is connected with of this driving shaft second axle head 121b 123 is with the distance of this transfer 21 when little, idle pulley 20 can exempt to establish.

Wherein, this swan neck system 3 contains a left wheel mould 31a at least, an one right roller die 31b and a upper roller mould 31c, the wheel face of each roller die forms the part gabarit shape of desire processing tubing, and each roller die and wheel shaft 32a, 32b, 32c connect elevating

mechanism

31a, 31b, the 31c that adjusts its centre-height respectively; Wherein, roller die 31d in the middle of this upper roller mould 31c below is provided with, the wheel face of this centre roller die 31d form the part gabarit shape of tubing and the elevating mechanism 33d that its centre-height is adjusted in its each wheel shaft connection; Wherein, respectively this elevating mechanism contains a department clothes motor 30 that turns a screw rod 34, and the wheel shaft of each roller die is respectively equipped with liftable slide block 35a, 35b, 35c, 35d, and with screw rod 34 pivot joint that links.

But above-mentioned CD-ROM drive motor M and respectively this elevating mechanism 33a, 33b, 33c, 33d department clothes motor 30 mat hydraulic-driven or drive by other electric connecting modes, belong to substituting of equivalent.Below further specify its current intelligence again.

As Fig. 1, shown in 2, when the operatively moving partially control panel 210 of control lever 210a, after this second gear 212 and this idle pulley 20 are meshed, trigger to start CD-ROM drive motor M when the R direction is rotated with a central controller (scheming not shown), promptly linkage driving axle 121 rotates in the lump, tooth bar 102 engagements on the gear 124 in this driving shaft stage casing of mat and the bed platform 100, make slide rail 101 that slide 11 follows a platform 100 forward directions X move, the gear 123 that the second axle head 121b of the tubing 4 of chuck 13 clampings is connected with turns idle pulley 20, and turn second of steering mechanism 21, three gears 212,213 connect gear 232 with what interlock and the 3rd gear 213 meshed, make the gear 221 that drives chuck driving wheel 22, the chuck driven wheel 222 that the rotating shaft 220 of gear 221 is connected with drives chucks 13 and rotates towards the R1 direction, in this way when tubing 4 axially moves in each roller die that stretches into swan neck system 3, tubing 4 also rotates with the R1 direction with chuck 13, so each roller die 31a of

swan neck system

3,31b, 31c, 31d imposes bending machining to each angle perpendicular to tubing 4 directions of advance, so that form helical form via the tubing after swan neck system 3 bendings 4.

As shown in Figure 3, when operating control lever 210 with the person with moving partially positioning control dish 210, make first gear 211 and idle pulley 20 engagements of steering mechanism 21, in this way in starting CD-ROM drive motor M when the R direction is rotated, i.e. linkage driving axle 121 rotations in the lump, tooth bar 102 engagements on the stage casing gear 124 of mat driving shaft and the bed platform 100, the slide rail 101 that makes slide 11 follow a platform 100 is advanced forward, the gear 123 that the second axle head 121b of while driving shaft 121 is connected with turns idle pulley 20 in regular turn, first, second and third gear 211,212,213 with the gear 221 that connects gear 232 and chuck driving wheel 22, the chuck driven wheel 222 that the rotating shaft 220 of gear 221 is connected with turns chuck 13 and rotates towards the R2 direction, stretch into each roller die 31a of swan neck system 3 in this way in the tubing of 13 clampings of chuck, 31b, 31c, in the time of among the 31d, tubing.Also rotate with the R2 direction simultaneously, and be that swan neck system 3 imposes the tubing that bending machining forms a left-hand screw shape.

As shown in Figure 4, when need not to impose the buckling work of spiral tubing, can turn spiral arm 23 deflections one angle in wheel 22 gear 221 outsides with being installed in chuck, make the connection gear 232 that is fixedly arranged on the spiral arm 23 no longer mesh the 3rd gear 213 of steering mechanism 21, be derived from turning of CD-ROM drive motor M with blocking-up, in this way when starting CD-ROM drive motor M, slide 11 is subjected to the rotation of driving shaft 121 and slippage forward, chuck 13 was not subjected to the interlock rotation of CD-ROM drive motor M and was static shape this moment, if the tubing of chuck 13 clampings is only axially stretching into the bending work of carrying out same horizontal axis towards swan neck system 3, and a unidirectional crooked tubing.With tubing in buckling work, simultaneously with tubing with an axially-movable and each the roller die 31a that rotatablely moves and be inserted into

swan neck system

3,31b, 31c, among the 31d, impose the amount of bow of tubing Different Diameter degree and form the device of an obtaining spiral pipe, its formed obtaining spiral pipe, because during bending machining is each

roller die

31a, 31b, 31c, the double team rolling of 31d institute, so the bending amount is very few, the circle that still can keep a former tubing section configuration, the rotary speed of slide 11 axial feed speed and chuck 13 can be carried out matched combined by the replacing of gear size, goes out different pitch or spiral external diameter size with bending.Like this, the obtaining spiral pipe that machines in use or decorative engineering on have more diversified utilization space and increase the usability of industry.

Claims

1, bend to the device of obtaining spiral pipe, it is a kind of device with straight tube bending curl tubing, and it comprises that a feed arrangement, turns a cartridge device and a swan neck system; It is characterized in that: feed arrangement, thereby it comprise a bed platform, one be positioned at the CD-ROM drive motor of a platform one side, one bridge that slide on the bed platform, one are used for the clamping straight tube and be hubbed on chuck on the slide front end and rotating drive mechanism thereof, one future self-driven motor transmission of power give slide and make slide and and then transmission device that this chuck is moved along the straight line direction; Between CD-ROM drive motor and chuck, turn cartridge device for one, it has many intermeshing and be hubbed on gear between CD-ROM drive motor and the chuck, these gears link to each other with described transmission device, thereby give described chuck rotating drive mechanism with the part transmission of power of CD-ROM drive motor, in a plane vertical, rotate with the linear movement direction of described slide thereby drive this chuck; One is arranged on a swan neck system in platform the place ahead, and it has many roller dies and is connected that all roll the synthetic fibre mould with one and is used to regulate the elevating mechanism of roller die centre-height.

2, the device that bends to obtaining spiral pipe as claimed in claim 1 is characterized in that: wherein, in this feed arrangement, bed platform both sides are provided with slide rail, and slide bottom pivot is equipped with a plurality of pulleys that sleeve to two wood side-guides; The sliding base rear end both sides are provided with two driving shaft holders, and a driving shaft is installed in the driving shaft holder, and after its first axle head passes a driving shaft holder, are provided with a gear; This gear often meshes the travelling gear of CD-ROM drive motor, and second axle head of this driving shaft is provided with a gear, this meshed transmission gear is turned cartridge device, forms a stage casing gear in this driving shaft stage casing in addition, and this stage casing gear often meshes a driving rack that is fixedly arranged on the platform; Slide is established front end pivot seat, and chuck is that the chuck rear side connects a gear in three-jaw or multijaw chuck and the front end pivot seat that is hubbed at slide, turns cartridge device and is provided with and turns chuck, and gear often meshes turns the chuck driven wheel.

3, the device that bends to obtaining spiral pipe as claimed in claim 1 is characterized in that: wherein, this is turned and is provided with a steering mechanism, a chuck driving wheel and a spiral arm in the cartridge device; A control panel is contained in steering mechanism, control panel is installed on this slide and mat one location finger setting is stable in slide, be the triangular shape arrangement by three gears and be hubbed at this control panel, wherein first gear often meshes one second gear, second gear often meshes the 3rd gear, and the chuck driving wheel contains gear, rotating shaft; The slide front end is provided with a wheel seat, and rotating shaft is installed on the wheel seat, the terminal chuck driven wheel that connects of rotating shaft, and chuck pivot moving gear often meshes the gear that the chuck end is connected; Spiral arm is installed on the wheel seat, and mat one location bolt is positioned wheel seat adjustably; Spiral arm is equipped with a chute, and bolt of nationality cooperates a nut affixed adjustablely to connect gear, and this connects the 3rd gear of gears engaged steering mechanism and the gear of chuck driving wheel links to rotate with this chuck.

4, the device that bends to obtaining spiral pipe as claimed in claim 3, it is characterized in that: wherein, the control panel of this steering mechanism, lengthwise extend a control lever, the gear that first gear on this control panel or second gears engaged are connected with in this driving shaft second axle head.

5, the device that bends to obtaining spiral pipe as claimed in claim 4, it is characterized in that: wherein, in the idle pulley that is pivoted between this steering mechanism and gear that this driving shaft second axle head is connected, this idle pulley is meshing gear and can being meshed with first gear or second gear of steering mechanism often.

6, the device that bends to obtaining spiral pipe as claimed in claim 1, it is characterized in that: wherein, this swan neck system contains a left wheel mould, a right roller die and a upper roller mould at least, the wheel face of each roller die forms the part gabarit shape of desire processing tubing, and each roller die and wheel shaft thereof connect the elevating mechanism of adjusting its centre-height respectively.

7, the device that bends to obtaining spiral pipe as claimed in claim 6, it is characterized in that: wherein, part gabarit shape and its each wheel shaft that roller die in the middle of this upper roller mould below is provided with one, the wheel face of this centre roller die form tubing connect the elevating mechanism of adjusting its centre-height.

8, as claim 6 or the 7 described devices that bend to obtaining spiral pipe, it is characterized in that: wherein, respectively this elevating mechanism contains a department clothes motor that turns a screw rod, and the wheel shaft of each roller die is respectively equipped with liftable slide block, and with the screw rod pivot joint that links.