CN205463764U - Tube bending machine - Google Patents
Tube bending machine Download PDFInfo
- Publication number
- CN205463764U CN205463764U CN201521007979.1U CN201521007979U CN205463764U CN 205463764 U CN205463764 U CN 205463764U CN 201521007979 U CN201521007979 U CN 201521007979U CN 205463764 U CN205463764 U CN 205463764U
- Authority
- CN
- China
- Prior art keywords
- plane
- head
- bending machine
- gear
- driving gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a tube bending machine, including lathe bed, aircraft nose, servo motor and gas accuse driving system and PLC control system, servo motor gentleness is controlled driving system and is used for providing power for tube bending machine, PLC control system is used for formulating corresponding return bend procedure according to the return bend demand, and control return bend, the aircraft nose includes left aircraft nose and right aircraft nose, the aircraft nose includes open set of double gear transmission structure, open set of double gear transmission structure includes 360 rotary mechanism on the XZ plane and receives a tub device, receive a tub device to include the supporting part, supporting part upper portion is equipped with the open slot, 360 rotary mechanism on the XZ plane include servo motor control device and double gear transmission, double gear transmission includes first driving gear, second driving gear and driven gear, first driving gear and second driving gear mesh with driven gear respectively, double gear transmission can the side put the pipe and the transmission incessant, above -mentioned tube bending machine simple structure, the gear engagement precision is high, there are higher rotational speed and moment of torsion, the efficiency of the return bend is improved.
Description
Technical field
This utility model relates to the bending machine field of the long hard tube of bending metal, is mainly used for a kind of bending machine bent of automobile and the steel pipe of air conditioning for automobiles industry and aluminum pipe.
Background technology
The thinnest automobile brake pipe the longest for length and car air-conditioner pipe fitting, current bending machine all configures a head, it is impossible to disposably complete complete long tube bend pipe goods.And for the bend pipe of long tube, the pipe mode of putting of pipe is simple, convenient, bend pipe efficiency is high to use side to put, but prior art can realize side put pipe to meet again the bending machine of 360 ° of swivel elbows of pipe bender head limited, have 360 ° of rotating mechanisms of mechanical arm and Timing Belt to transmit two kinds of preferably modes at present.But 360 ° of rotating mechanisms of mechanical arm are equivalent to robot structure, precise structure, and cost is high, and the speed of rotation is slow, and bend pipe efficiency is low；Timing Belt transmission is to use Timing Belt to connect two belt wheels, by Timing Belt transmission moment of torsion and speed, to realize to put the purpose of pipe by side while pipe bender head 360 ° rotates, but the transmission accuracy of toothed belt transmission is poor, spatial positioning accuracy is poor, for the pipe fitting that automobile brake pipe and car air-conditioner pipe fitting are more accurate, need higher bend pipe precision, it is thus desirable to bending machine has higher bend pipe precision, with the bending machine of toothed belt transmission bend pipe, can not meet to a certain extent and have the bending machine of higher bend pipe required precision to configure.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of side that can simultaneously realize with open pallets Double-gear drive mechanism and puts pipe and head 360 ° rotation, and bend pipe precision is high, and efficiency is high, simple in construction, a kind of bending machine of low cost.
In order to solve above-mentioned technical problem, this utility model provides a kind of bending machine, including lathe bed, head, servomotor and Pneumatic power system and PLC control system, servomotor and Pneumatic power system for providing power for bending machine；nullPLC control system is used for controlling bend pipe，Head includes left head and right head，It is respectively arranged at lathe bed both sides，Head includes open pallets Double-gear drive mechanism，Open pallets Double-gear drive mechanism includes 360 ° of rotating mechanisms of XZ plane and managed device，Managed device includes supporting part，Supporting part top is provided with open slot，360 ° of rotating mechanisms of XZ plane include servo motor control device and Double-gear transmission device，Double-gear transmission device includes the first driving gear、Second driving gear and driven gear，First driving gear and the respective number of teeth of the second driving gear are less than the number of teeth of driven gear，Driven gear is provided for side with center for starting point and puts the V-arrangement opening of pipe，First driving gear and the second driving gear engage with driven gear respectively，Distance between first driving gear and the second driving gear，With during duty at least driving gear engage as according to arranging with driven gear，Servo motor device acts on the first driving gear and the second driving gear，Rotate for driven gear and power is provided.
Further, head includes that fixed disk, fixed disk are provided with the V-arrangement opening putting pipe for side, and managed device is fixed on described fixed disk, makes open slot corresponding with the V-arrangement aperture position on described fixed disk.
Further, driven gear rotatable setting of the most managed device with supporting part for axle center.
Further, fixed disk is placed in arranging at least 1 arc groove, arc groove relative to the side of driven gear and is rolled pearl, rolls pearl peak and exposes described arc groove, makes to be formed between fixed disk and driven gear rolling friction.
Further, head also includes 180 ° of pipe bending mechanisms of X/Y plane, 360 ° of rotating mechanisms of 180 ° of pipe bending mechanisms of X/Y plane and XZ plane are rotatably connected and can do 180 ° of rotations in X/Y plane relative to 360 ° of rotating mechanisms of XZ plane, and 360 ° of rotating mechanisms of XZ plane can carry 180 ° of pipe bending mechanisms of X/Y plane and do 360 ° of rotations in XZ plane.
Further, 180 ° of pipe bending mechanisms of X/Y plane include fixing axle, circle mould and swing arm main mould clamp system, circle mould is placed on fixing axle, circle mould die cavity is corresponding with described open slot, swing arm main mould clamp system includes fixing shell, wedge shape swing arm, top arm, main mould and Pneumatic power system, main mould is placed in wedge shape swing arm, top arm abuts with the hypotenuse of wedge shape swing arm, wedge shape swing arm, top arm and main mould are connected with fixing axle by fixing shell, fixing shell can be around solid fixed-axis rotation, during duty, Pneumatic power system provides power to promote described top arm, top arm extrudes described wedge shape swing arm, wedge shape swing arm drives main mould near described round mould, clamping needs the pipe of bending.
Further, also including pay-off, rickstand and rewinding frame, pay-off includes clamping head and adjutage, during blowing, adjutage stretches to rickstand, and it is sub on seat in the plane that clamping head grips bend pipe to be made, and bend pipe is complete, adjutage and stretching, extension are to pipe rewinding frame blowing, and pay-off is connected with lathe bed.
Further, also including Mobile base, head is arranged on Mobile base, and lathe bed includes longitudinal rail, and Mobile base can slide on longitudinal rail.
Further, head is provided with pipeline folding structure, pipeline folding structure includes fixed pulley and movable pulley, fixed pulley is fixed on driven gear, movable pulley is placed in below fixed pulley, and with the 360 ° of rotating mechanisms rotations of XZ plane, flexible pipeline is wound on movable pulley and fixed pulley, the position of corresponding movable pulley movement locus on lathe bed, arranging slide rail, movable pulley passes through supporting construction connecting sliding rail.
Further, left head and described right head at least 1 head is provided with up-down adjustment mechanism.
nullCompared with prior art，The beneficial effects of the utility model are: driven gear is provided for side with center for starting point and puts the V-arrangement opening of pipe，Place from side when this V-arrangement opening is used for starting and treat bend pipe，Managed device clamps after bend pipe，First driving gear and the second driving gear rotate respectively under the effect of air control unit，The driven gear engaged with two driving gears also rotates with，And the distance that first between driving gear and the second driving gear，When determining duty, at least a driving gear engages with driven gear，I.e. when a driving gear passes through the V-arrangement opening on driven gear，Though this driving gear fails to engage with driven gear within a certain period of time，But another driving gear can be still engagement with driven gear，Therefore driven gear is constantly in rotation status，Realize 360 ° of rotations.Above-mentioned open pallets Double-gear drive mechanism simple in construction, the gear accuracy of mesh is high, Double-gear transmission device efficiently solves driven gear V-arrangement opening, pipe can be put by side, and the most continual problem of transmission, making in operation process an at least driving gear is the state engaged with driven gear, makes transmission continuous effective.Above-mentioned open pallets Double-gear drive mechanism has big gear ratio, can realize higher rotating speed and moment of torsion, i.e. improve bend pipe efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, in describing embodiment below, the required accompanying drawing used is briefly described, apparently, accompanying drawing in describing below is only embodiments more of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the top view of a kind of bending machine in this utility model embodiment；
Fig. 2 is the front view of Fig. 1；
Fig. 3 is the left view of Fig. 1；
Fig. 4 is up-down adjustment mechanism and the partial view of 360 ° of rotating mechanisms of XZ plane of head；
Fig. 5 is the left view of Fig. 4；
Fig. 6 is the partial enlarged drawing of the part A of Fig. 2；
Fig. 7 is the partial enlarged drawing of the part B of Fig. 3；
Fig. 8 is the structural representation of flat board slide block；
Fig. 9 is the structural representation of pay-off.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, detailed description of the invention of the present utility model is further described.Following example are only used for clearly illustrating the technical solution of the utility model, and can not limit protection domain of the present utility model with this.
As shown in Figure 1 to 9, a kind of bending machine, including lathe bed 1, head 2, Mobile base 3, pay-off 4, Pneumatic power system and PLC control system, pay-off 4 is connected with lathe bed 1, has clamp, middle traversing, loading and unloading turn over function, and head 2 is arranged on Mobile base 3, lathe bed 1 includes longitudinal rail 101, and Mobile base 3 can slide on longitudinal rail 101；
Head 2 includes open pallets Double-gear drive mechanism and 180 ° of pipe bending mechanisms 24 of X/Y plane, open pallets Double-gear drive mechanism includes 360 ° of rotating mechanisms 23 of XZ plane and managed device, 180 ° of pipe bending mechanisms 24 of X/Y plane can rotate relative to 360 ° of rotating mechanisms of XZ plane, 360 ° of rotating mechanisms 23 of XZ plane can carry 180 ° of pipe bending mechanisms 24 of X/Y plane and jointly rotate, 360 ° of rotating mechanisms 23 of XZ plane include the V-arrangement opening putting pipe in order to side, managed device includes that top is provided with supporting part and the clamping part of open slot, when pipe is put in side, open slot is corresponding with V-arrangement opening；
Head 2 includes left head 21 and right head 22, is respectively arranged at long rails 101 both sides；Left head 21 is provided with up-down adjustment mechanism 211；
Pay-off 4 includes clamping head 41 and adjutage 42, during blowing, pay-off 4 adjutage 42 stretches to rickstand 5, clamping head 41 grips bend pipe to be made, adjutage 42 shrinks and turns back, pipe two ends are made to be placed on the seat in the plane of left head 21, right head 22, waiting bend pipe, during bend pipe, clamping head 41 keeps clamping dress, plays fixing tube effect；Bend pipe is complete, and adjutage 42 stretches to pipe rewinding frame 6, stretchs out clamping head 41 and puts down the bend pipe that bend pipe completes, and finished product bend pipe transports finished product stowed location to along rewinding frame 6.Pay-off 4 includes air control unit and is connected with PLC control system, and blowing and the operation reclaiming bend pipe are all automatically to run.
Servomotor and Pneumatic power system are for providing power for bending machine.
PLC control system, for formulating corresponding bend pipe program according to bend pipe demand, makes left head 21 and the right head 22 can be simultaneously according to different paths each bend pipe, and PLC control system is provided with Human-machine Control touch screen interface.
Above-mentioned bending machine mechanism achieves elongate tube double end bend pipe the most simultaneously, and work efficiency improves 4 times；Automatic bend pipe, operator can manage more than 2 machines, reduces cost, reduces labor intensity, improves the efficiency of management；Additionally bending machine, only need to be by the program of PLC control system being carried out different establishment, regulation and control, the bend pipe product that can realize bending difference path carries out bend pipe making, it is not required to change hardware device, reduce the bending machine new product Meteorological being applicable to brand-new bend pipe requirement, cost-effective, shorten the trial-production cycle；Machine carries out data manipulation, can guarantee that performance accuracy, and product size precision is high, good stability.
The left head 21 of the Double-head of above-mentioned bending machine is provided with up-down adjustment mechanism 211, achieve head 2 and allow bit function, make bend pipe go to centre position time, when the operation of double end bend pipe has interference effect, left head 21 can be regulated move down and step down, right head 22 is only allowed to work, it is to avoid to interfere, the problem being difficult in the middle of pipe during to solve double bend reach short lines section.
null180 ° of pipe bending mechanisms 24 of X/Y plane include fixing axle 241、Circle mould 242 and swing arm main mould clamp system 243，Circle mould 242 is placed on fixing axle 241，Circle mould 242 die cavity is corresponding with open slot，Swing arm main mould clamp system 243 includes fixing shell 2431、Wedge shape swing arm 2432、Top arm 2433、Main mould 2434 and Pneumatic power system 2435，Main mould 2434 is placed in wedge shape swing arm 2432，Top arm 2433 abuts with the hypotenuse of wedge shape swing arm 2432，Wedge shape swing arm 2432、Top arm 2433 and main mould 2434 are connected with fixing axle 241 by fixing shell 2431，Fixing shell 2431 can rotate around fixing axle 241，During duty，Pneumatic power system 2435 provides power to promote top arm 2433，Top arm 2433 extrudes wedge shape swing arm 2432，Wedge shape swing arm 2432 drives main mould 2434 near circle mould 242，Clamping needs the pipe of bending.180 ° of pipe bending mechanism 24 simple in construction of above-mentioned X/Y plane, structure rationally, reduces interference, it is ensured that make curved precision when bending.
360 ° of rotating mechanisms 23 of XZ plane include air control unit 231, Double-gear transmission device 232, Double-gear transmission device 232 includes the first driving gear 2321, second driving gear 2322 and driven gear 2323, driven gear 2323 is provided for side with center for starting point and puts the V-arrangement opening of pipe, first driving gear 2321 and the second driving gear 2322 engage with driven gear 2323 respectively, distance between first driving gear 2321 and the second driving gear 2322, with during duty at least driving gear engage as according to arranging with driven gear 2323, air control unit 231 acts on the first driving gear 2321 and the second driving gear 2322, rotate for driving gear and power is provided.Further, the first driving gear 2321 and the second respective number of teeth of driving gear 2322 are all few than the number of teeth of driven gear 2323.Said structure has big gear ratio, the moment of torsion providing bigger is rotated for 360 ° of XZ plane, though additionally Double-gear transmission device 232 also efficiently solves driven gear 2323 and has V-arrangement opening, transmission also can continual problem, making in operation process an at least driving gear is the state engaged with driven gear 2323, make transmission continuous effective, it is ensured that the operation always that 360 ° of XZ plane rotates.
Head 2 includes that fixed disk 25, fixed disk 25 are provided with the V-arrangement opening putting pipe for side, and managed device is corresponding with the V-arrangement opening on fixed disk 25 and be fixed on fixed disk 25 with open slot.
Driven gear 2323 rotatable setting of the most managed device with supporting part for axle center.
Fixed disk 25 arranges flat board slide block 251 relative to the side of driven gear 2323, flat board slide block 251 side arranges at least 1 arc groove 252, place in arc groove 252 and roll pearl 253, roll pearl 253 peak and expose arc groove 252, make to be formed between fixed disk 25 and driven gear 2323 rolling friction.Relative motion between the driven gear 2323 of fixed disk 25 and motion, can produce abrasion, makes driven pulley galloping, then produces friction with fixed disk 25, and then produce a series of impact, affect bending machine life-span and bend pipe effect.Said structure of the present utility model, makes it possible to the sliding friction between the face between driven gear 2323 and the fixed disk 25 produced, the rolling friction being changed between face and ball, reduces the impact of friction, improve bending machine life-span and bending quality.
Head 2 is provided with pipeline folding structure 26, pipeline folding structure 26 includes fixed pulley 261 and movable pulley 262, fixed pulley 261 is fixed on driven gear 2323, movable pulley 262 is placed in below fixed pulley 261, rotate with 360 ° of rotating mechanisms 23 of XZ plane and flexible pipeline 263 be wound on movable pulley 262 and fixed pulley 261.Further, on lathe bed 1, the position of corresponding movable pulley movement locus, arranges slideway, and movable pulley 262 connects slideway by supporting construction.Along with during bend pipe, the circumference of 360 ° of rotating mechanisms 23 of XZ plane rotates and convolution, supporting pipelines 263 also can extend therewith or shrink, existing bending machine there is no and processes the device that supporting pipelines is flexible, simply arbitrarily it is scattered or takes and put, easily cause pipeline to be wound around, produce operating faulty, and take put in disorder, untidy, attractive in appearance.Said structure solves this problem, pipeline can stretch, do not deviate by track under the deadweight of movable pulley 262 between movable pulley 262 and fixed pulley 261 in order, it is to avoid the random winding of pipeline 263, and neatly, in order, make bending machine complete machine more in order, speed fast.
In sum, bending machine of the present utility model is compared with the bending machine of prior art, and double end automatic bend pipe simultaneously, efficiency is high；Side's head up-down adjustment can be realized dodge, it is to avoid interfere, make middle bend pipe reach short lines section；The structure design of head also can be prevented effectively from interference；Reduce frictionally damage, improve bending machine life-span and bending quality；Additionally pipeline folding structure makes the orderly folding and unfolding of supporting pipelines of 360 ° of rotating mechanisms of XZ plane, safe, clean and tidy, attractive in appearance.
The foregoing is only preferred embodiment of the present utility model; not in order to limit this utility model; all within spirit of the present utility model and principle, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (10)
1. a bending machine, including lathe bed, head, servomotor and Pneumatic power system and PLC control system, described servomotor and Pneumatic power system for providing power for bending machine；nullDescribed PLC control system is used for controlling bend pipe，It is characterized in that，Described head includes left head and right head，It is respectively arranged at described lathe bed both sides，Described head includes open pallets Double-gear drive mechanism，Described open pallets Double-gear drive mechanism includes 360 ° of rotating mechanisms of XZ plane and managed device，Described managed device includes supporting part，Described supporting part top is provided with open slot，360 ° of rotating mechanisms of described XZ plane include servo motor control device and Double-gear transmission device，Described Double-gear transmission device includes the first driving gear、Second driving gear and driven gear，Described first driving gear and the described second respective number of teeth of driving gear are less than the number of teeth of described driven gear，Described driven gear is provided for side with center for starting point and puts the V-arrangement opening of pipe，Described first driving gear and described second driving gear engage with described driven gear respectively，Distance between described first driving gear and described second driving gear，With during duty at least driving gear engage as according to arranging with described driven gear，Described servo motor device acts on described first driving gear and described second driving gear，Rotate for described driven gear and power is provided.
A kind of bending machine the most according to claim 1, it is characterized in that, described head includes that fixed disk, described fixed disk are provided with the V-arrangement opening putting pipe for side, described managed device is fixed on described fixed disk, makes described open slot corresponding with the V-arrangement aperture position on described fixed disk.
A kind of bending machine the most according to claim 2, it is characterised in that described driven gear is the most described rotatable setting of managed device with described supporting part for axle center.
A kind of bending machine the most according to claim 3, it is characterized in that, described fixed disk arranges at least 1 arc groove relative to the side of described driven gear, place in described arc groove and roll pearl, described rolling pearl peak exposes described arc groove, makes to be formed between described fixed disk and described driven gear rolling friction.
A kind of bending machine the most according to claim 1, it is characterized in that, described head also includes 180 ° of pipe bending mechanisms of X/Y plane, 360 ° of rotating mechanisms of 180 ° of pipe bending mechanisms of described X/Y plane and described XZ plane are rotatably connected and can do 180 ° of rotations in X/Y plane relative to 360 ° of rotating mechanisms of described XZ plane, and 360 ° of rotating mechanisms of described XZ plane can carry 180 ° of pipe bending mechanisms of X/Y plane and do 360 ° of rotations in XZ plane.
nullA kind of bending machine the most according to claim 5，It is characterized in that，180 ° of pipe bending mechanisms of described X/Y plane include fixing axle、Circle mould and swing arm main mould clamp system，Described round mould is placed on fixing axle，Described round mould die cavity is corresponding with described open slot，Described swing arm main mould clamp system includes fixing shell、Wedge shape swing arm、Top arm、Main mould and Pneumatic power system，Described main mould is placed in described wedge shape swing arm，Described top arm abuts with the hypotenuse of described wedge shape swing arm，Described wedge shape swing arm、Described top arm and described main mould are connected with described fixing axle by described fixing shell，Described fixing shell can be around described solid fixed-axis rotation，During duty，Described Pneumatic power system provides power to promote described top arm，Described top arm extrudes described wedge shape swing arm，Described wedge shape swing arm drives described main mould near described round mould，Clamping needs the pipe of bending.
A kind of bending machine the most according to claim 1, it is characterized in that, also include pay-off, rickstand and rewinding frame, described pay-off includes clamping head and adjutage, during blowing, described adjutage stretches to rickstand, and it is sub on seat in the plane that clamping head grips bend pipe to be made, and bend pipe is complete, adjutage and stretching, extension are to pipe rewinding frame blowing, and described pay-off is connected with lathe bed.
A kind of bending machine the most according to claim 1, it is characterised in that also including that Mobile base, described head are arranged on described Mobile base, described lathe bed includes longitudinal rail, and described Mobile base can slide on described longitudinal rail.
A kind of bending machine the most according to claim 3, it is characterized in that, described head is provided with pipeline folding structure, described pipeline folding structure includes fixed pulley and movable pulley, described fixed pulley is fixed on described driven gear, described movable pulley is placed in below described fixed pulley, the pipeline rotated with 360 ° of rotating mechanisms of XZ plane and stretch is wound on described movable pulley and described fixed pulley, the position of corresponding described movable pulley movement locus on described lathe bed, arranging slide rail, described movable pulley connects described slide rail by supporting construction.
10. according to a kind of bending machine described in any one of claim 1 to 9, it is characterised in that described left head and described right head at least 1 head is provided with up-down adjustment mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521007979.1U CN205463764U (en) | 2015-12-07 | 2015-12-07 | Tube bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521007979.1U CN205463764U (en) | 2015-12-07 | 2015-12-07 | Tube bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205463764U true CN205463764U (en) | 2016-08-17 |
Family
ID=56661074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521007979.1U Expired - Fee Related CN205463764U (en) | 2015-12-07 | 2015-12-07 | Tube bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205463764U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108356113A (en) * | 2018-01-23 | 2018-08-03 | 襄阳科威电气有限公司 | A kind of steel pipe bender servo-control system |
-
2015
- 2015-12-07 CN CN201521007979.1U patent/CN205463764U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108356113A (en) * | 2018-01-23 | 2018-08-03 | 襄阳科威电气有限公司 | A kind of steel pipe bender servo-control system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20090241314A1 (en) | Twisted wire and method of producing twisted wire | |
| JP3685526B2 (en) | Pipe bending machine | |
| JP6854279B2 (en) | Multi-tasking machine and machining method for machining wire rods | |
| CN106743980A (en) | A kind of cable automation is turned round around production line and its method for precise control pitch | |
| TW201302338A (en) | Method for manufacturing springs and spring machine for carrying out the method | |
| JP2015126166A (en) | Winding apparatus and winding method | |
| CN106623538A (en) | Pipe bending device for pipe bender | |
| CN201608915U (en) | Winding machine of heating core of electric hair dryer | |
| JPH1029028A (en) | Method for forming wire spring and device therefor | |
| CN109660091A (en) | A kind of stator double-station Wrapping machine | |
| CN205463764U (en) | Tube bending machine | |
| CN107749703A (en) | A kind of interior coil winding machine | |
| KR101485152B1 (en) | hairline formation apparatus | |
| ITTO960171A1 (en) | WINDING MACHINE FOR THE PRODUCTION OF SPRINGS WITH HYBRID TORSION CONTROL DEVICE WITH SERVOMOTOR AND CAM | |
| CN206544841U (en) | A kind of circle, flat filament one-step method band twist winder | |
| CN110977481B (en) | Elbow cutting all-in-one machine for metal pipe machining | |
| CN207511573U (en) | Coil winding machine | |
| CN108214223A (en) | A kind of process equipment and its processing method of curve component | |
| CN106825156B (en) | A kind of bending machine | |
| CN106782901A (en) | A kind of precise control turns round the coil winding machine around pitch | |
| CN208879426U (en) | The positive and negative arc bending roll machine of profile | |
| CN209753724U (en) | Automatic shaft pressing and pipe withdrawing device applied to pipe coiling machine | |
| CN202640088U (en) | Galloon polishing device | |
| JPH0829378B2 (en) | Tal coil spring manufacturing equipment | |
| JP4346150B2 (en) | Wire coil manufacturing method and apparatus |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20211207 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |