CN104785595B - Workpiece twisting and forming device - Google Patents
Workpiece twisting and forming device Download PDFInfo
- Publication number
- CN104785595B CN104785595B CN201510196730.8A CN201510196730A CN104785595B CN 104785595 B CN104785595 B CN 104785595B CN 201510196730 A CN201510196730 A CN 201510196730A CN 104785595 B CN104785595 B CN 104785595B
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- China
- Prior art keywords
- workpiece
- plate
- upper plate
- rotary sleeve
- twist
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- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/18—Joggling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C51/00—Measuring, gauging, indicating, counting, or marking devices specially adapted for use in the production or manipulation of material in accordance with subclasses B21B - B21F
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/22—Auxiliary equipment, e.g. positioning devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a workpiece twisting and forming device which comprises a bottom plate, an elastic pressing mechanism, a twisting mechanism and an upper plate. The upper plate is located above the elastic pressing mechanism and the twisting mechanism. The elastic pressing mechanism is connected with the upper plate in an elastic mode. The twisting mechanism is arranged on the bottom plate. The elastic pressing mechanism corresponds to the twisting mechanism. The twisting mechanism comprises a base, a rotating sleeve and an embedding piece matched with a workpiece to be machined. The base is arranged on the bottom plate and provided with a through hole with the shaft axis facing towards the elastic pressing mechanism side. The rotating sleeve is movably arranged in the through hole, and one end of the rotating sleeve stretches outwards. The embedding piece is fixedly arranged in the rotating sleeve. The stretching-out end of the rotating sleeve is provided with a poking portion. A corresponding poking rod is arranged above the poking portion. The upper end of the poking rod is connected with the upper plate. By means of the workpiece twisting and forming device, the strip-shaped workpiece can be twisted and bent by a certain angle.
Description
Technical field
The invention belongs to a kind of bend molding apparatus field and in particular to a kind of for workpiece twist and warp molding device.
Background technology
Crooked part be the equipment such as Modern Industry Products, automobile, electrical equipment, instrument and instrument and equipment in the most frequently used part it
One.And existing bending apparatus can only be angled by mutual bending along a broken line to the two of part face, but have
Peculiar part require to pass through torsional bending certain space angle, such as oil level stick need will bar-shaped workpieces two parts reverse bent
Curved at an angle.And the torsion curvature processing of such part cannot be realized using existing bending apparatus.
Content of the invention
In view of the drawbacks described above of prior art, the technical problem to be solved is to provide a kind of workpiece that is used for turn round
The device of roll forming, can make bar-shaped workpieces reverse curvature angled.
For achieving the above object, the invention provides a kind of device twisting and warping molding for workpiece, it is critical only that: includes
Base plate, elastic hold-down mechanism, twist and warping mechanism and upper plate, this upper plate is located at elastic hold-down mechanism and the top of twist and warping mechanism, described
Elastic hold-down mechanism and upper plate elastic connection, described twist and warping mechanism is arranged on base plate, described elastic hold-down mechanism and twist and warping machine
Structure is correspondingly arranged, and described twist and warping mechanism includes base, rotary sleeve and the inserts matching with workpiece to be added, and described floor installation exists
Axial line is had towards the through hole of described elastic hold-down mechanism side, described rotary sleeve is movably arranged on this on base plate and on this base
Through hole is interior and one end is protruding, and described inserts is packed in rotary sleeve, and the external part of described rotary sleeve is provided with clicking section, institute
The top stating clicking section is provided with corresponding poke rod, and the upper end of described poke rod is connected with upper plate, when described upper plate is downward
During motion, described upper plate side is transmitted pressure to elastic hold-down mechanism and makes one end of workpiece realize compression, and described upper plate is another
The other end realization twist and warping that clicking section cooperation on rotary sleeve rotates and makes this workpiece are stirred, by driving poke rod, in side.
Using technique scheme, one end of part to be twisted and warped is put into the lower section in elastic hold-down mechanism, the other end is inserted into
Clamp positioning in inserts, then to upper plate apply downward pressure and move downward, when described upper plate moves downward, described on
Plate side makes one end of workpiece realize compression to elastic hold-down mechanism discharge pressure, and described upper plate opposite side is stirred by drive
Bar is stirred the cooperation of clicking section on rotary sleeve and is rotated and make the other end of this workpiece realize twist and warping, by rotary sleeve together with inserts
Rotate on base, the angle being rotated according to rotary sleeve is it is achieved that the torsional bending on workpiece certain angle is processed.This device passes through
Upper plate moves downward, and can realize compression and two functions of twist and warping of workpiece, realize bar-shaped workpieces torsion curvature angled.
Preferably, described elastic hold-down mechanism includes setting gradually from top to bottom lower template, pressing plate and at least
One elastic component, described lower template are arranged on base plate, and described pressing plate is by described elastic component and upper plate elastic connection.
As further, described base offering arc-shaped slot concentric with through hole and at an angle, described rotation
The rotation banking pin corresponding with this arc-shaped slot is provided with the clicking section of pivoted housing, described rotation banking pin passes through described arc
Groove is simultaneously limited in rotation in this arc-shaped slot.The arc angles of arc-shaped slot are fixed values, and rotate banking pin can only
Move in this arc-shaped slot, arc-shaped slot coordinates rotational angle with regard to the torsional bending angle of workpiece with rotating banking pin, so
During processing, because rotary sleeve rotational angle is identical, thus the torsional bending angle of each workpiece can precise control, permissible
Ensure workpiece quality, improve qualification rate；After twist and warping machine simultaneously, also allow for being turned back in situ by rotary sleeve, to rotating
Point position is accurately positioned.
As further, described inserts is arranged in rotary sleeve and near described elastic hold-down mechanism side, described rotation
Away from described elastic hold-down mechanism side, locating rod is installed in set.By locating rod, workpiece bows position is positioned, permissible
The length realizing workpiece bows carries out spacing control.
As further, described rotary sleeve outer wall is connected with spinning reduction spring, this spinning reduction spring and rotation
Set center vertical distribution, described spinning reduction spring one end is fixedly connected with the upside of rotary sleeve outer wall, and the other end passes through to connect
Block is packed on base plate.After twist and warping processing, its rotary sleeve can be made to reset to initial position by back-moving spring, be convenient for next
Secondary processing, produces and Automated condtrol beneficial to continuous.
As further, between described upper plate and pressing plate, it is provided with fixed plate, this fixed plate is packed in the lower end of upper plate,
Described fixed plate is provided with downwards at least one guide pillar, and each described guide pillar lower end can pass perpendicularly through described pressing plate and lower mould
Plate.Described pressing plate passes through some guide pillar guiding and moves up and down, and its motion is more steady, can guarantee that pressing plate and lower template can be more simultaneously
Plus accurately cooperation compresses.
As further, described elastic component adopts spring, is provided with and described elastic component between described upper plate and pressing plate
Equal number and position corresponding pressing mold screw, described pressing mold screw passes perpendicularly through described elastic component, and described upper plate is provided with
Hold the little stepped hole in big lower end, the end of thread of described pressing mold screw is threadeded with pressing plate, the head end of described pressing mold screw loads
This stepped hole the upper end in the hole positioned at this stepped hole, the lower stomidium of described stepped hole is less than head end the energy of described pressing mold screw
The head end limiting this pressing mold screw moves downward.This pressing mold screw passes through spring, pocketed springs on such pressing mold screw, and spring is subject to
During force compresses, camber of spring compression direction all the time with pressing mold screw ensure consistent so as to some springs are to platen pressure direction phase
With Impact direction is consistent, can more preferably make cope match-plate pattern and lower template cooperation compression.The head end holding of described pressing mold screw will not simultaneously
Depart from pressing plate, beneficial to the quality of fit remaining this device it is ensured that Continuous maching precision.
As further, the upper surface of described lower template is provided with least one alignment pin, described lower template lower surface
It is provided with and the described location hole that alignment pin quantity is identical and position is relative.Accurately compression can be coordinated beneficial to pressing plate and lower template,
Rod-shaped objects are carried out just position, smoothly enter in inserts beneficial to product.
As further, described locating rod is arranged in described rotary sleeve by intermediate insulation bushing, described locating rod
Adopt conductor material with lower template, described insulating bushing adopts insulating material, described locating rod one end pass through circuit and power supply,
Display lamp and the series connection of lower template one end are connected together.When workpiece is contacted with lower template with described locating rod simultaneously, just constitute
Connect circuit, display lamp will be bright, and upper plate can smoothly be started by power set (as punch press)；Conversely, display lamp goes out, right
Upper plate can not be started by power set, and in whole process, workpiece is equivalent to the ON switch of whole circuit, can control
Make the break-make of whole circuit.Judge on off operating mode by display lamp and determine whether workpiece is accurately positioned, it is possible to achieve workpiece
The accurate judgement of position length and control.
As further, described locating rod is coordinated with insulating bushing screw thread, can be fixed to this by rotating described locating rod
Position bar carries out position adjustments.Extension position at bar-shaped workpieces torsional bending is controlled by locating rod, is easy to length direction control,
Ensure workpiece quality, improve qualification rate.
As further, described upper plate upper end is provided with installing plate, and this installing plate upper end is provided with die shank.It is easy to adopt
Different punch press production and processings, can change corresponding installing plate or die shank.
Beneficial effect is: present configuration is simple, easy to operate, can improve certainty of measurement and realize bar-shaped workpieces torsion curvature
Angled, batch consecutive production can be carried out, bending position can be accurately positioned simultaneously, the torsion of workpiece can be controlled long
Degree, to twist and warp angle, has machining accuracy height, qualification rate height and low cost and other advantages.
Brief description
Fig. 1 is structural representation during the original state of the present invention；
Fig. 2 is Fig. 1 top view；
Fig. 3 is the partial view in a-a direction in Fig. 1；
Fig. 4 is structural representation during the twist and warping processing of the present invention；
Fig. 5 is the partial view in b-b direction in Fig. 1.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples:
As Figure 1-5, a kind of device twisting and warping molding for workpiece, including base plate 1, elastic hold-down mechanism 2, twist and warping machine
Structure 3 and upper plate 4, this upper plate 4 is located at elastic hold-down mechanism 2 and the top of twist and warping mechanism 3, described elastic hold-down mechanism 2 and upper plate 4
Elastic connection, described twist and warping mechanism 3 is arranged on base plate 1, and described elastic hold-down mechanism 2 and twist and warping mechanism 3 are correspondingly arranged.
In the present embodiment, described twist and warping mechanism 3 includes base 31, rotary sleeve 32 and the inserts matching with workpiece to be added
33, the jack carrying in the middle of this inserts 33 is mated with the cross section of workpiece to be processed, and described base 31 is arranged on base plate 1 and should
Axial line is had on base 31 towards the through hole 311 of described elastic hold-down mechanism 2 side, described rotary sleeve 32 is movably arranged on this and leads to
Hole 311 is interior and one end is protruding, and described inserts 33 is packed in rotary sleeve 32, and the external part of described rotary sleeve 32 is provided with to be dialled
Dynamic portion 321, the top of described clicking section 321 is provided with corresponding poke rod 41, and the upper end of described poke rod 41 is with upper plate 4 even
Connect.
In the present embodiment, described elastic hold-down mechanism 2 includes setting gradually from top to bottom lower template 21, pressing plate 22 and
At least one elastic component 23, described lower template 21 are arranged on base plate 1, and described pressing plate 22 passes through described elastic component 23 and upper plate 4
Elastic connection.
Further, the workpiece obtaining to be processed requires to twist and warp angle for 90 °, and described base 31 offers and through hole
311 arc-shaped slots 312 that are concentric and being in 90 ° of angles, the clicking section 321 of described rotary sleeve 32 is provided with and this arc-shaped slot
312 corresponding rotation banking pins 34, described rotation banking pin 34 passes through described arc-shaped slot 312 and is limited in this arc-shaped slot
Rotate in 312,
Further, described inserts 33 is arranged in rotary sleeve 32 and near described elastic hold-down mechanism 2 side, described rotation
Away from described elastic hold-down mechanism 2 side, locating rod 35 is installed in set 32.Locating rod 35 top is used for stopping restriction processing workpiece
Length direction on position, realizes Workpiece length direction is positioned.
Further, described rotary sleeve 32 outer wall is connected with spinning reduction spring 20, this spinning reduction spring 20 and rotation
Pivoted housing 32 center vertical distribution, described spinning reduction spring 20 one end is fixedly connected with the upside of rotary sleeve 32 outer wall, the other end
It is packed on base plate 1 by contiguous block 19.Before processing, this spinning reduction spring 20 is in original state, when described rotary sleeve 32
After turning an angle, its spinning reduction spring 20 will be elongated, and after processing, can pass through the powerful bullet of spinning reduction spring 20
Power is rotated set 32 automatic spinning reductions.
Further, it is provided with fixed plate 5 between described upper plate 4 and pressing plate 22, this fixed plate 5 is packed under upper plate 4
End, described fixed plate 5 is provided with downwards at least one guide pillar 6, and each described guide pillar 6 lower end can pass perpendicularly through described pressing plate 22
And lower template 21.
Further, described elastic component 23 adopts spring, is provided with and described elastic component between described upper plate 4 and pressing plate 22
23 equal numbers and position corresponding pressing mold screw 7, described pressing mold screw 7 passes perpendicularly through described elastic component 23, on described upper plate 4
It is provided with small top and big bottom stepped hole 401, the end of thread of described pressing mold screw 7 is threadeded with pressing plate 22, described pressing mold spiral shell
The head end of nail 7 loads this stepped hole 401 and is located at the upper end in the hole of this stepped hole 401, and the lower stomidium of described stepped hole 401 is less than
The head end of described pressing mold screw 7 simultaneously can limit the head end of this pressing mold screw 7 and moves downward.
Further, the upper surface of described lower template 21 is provided with least one alignment pin 8, described lower template 21 lower surface
It is provided with and position relative location hole 211 identical with described alignment pin 8 quantity.
Further, described locating rod 35 is arranged in described rotary sleeve 32 by intermediate insulation bushing 36, described positioning
Bar 35 and lower template 21 adopt conductor material, the metal material that it specifically can be common, and described insulating bushing 36 adopts insulator
Material, the plastic material that it specifically can be common, circuit and power supply 38, display lamp 39 and lower mould are passed through in described locating rod 35 one end
The series connection of plate 21 one end is connected together.
Further, described locating rod 35 and the cooperation of insulating bushing 36 screw thread, by rotating described locating rod 35, locating rod
35 with insulating bushing 36 screw thread routing motion, and realize to carry out position adjustments to this locating rod 35.
As further, described upper plate upper end is provided with installing plate, and this installing plate upper end is provided with die shank.It is easy to adopt
Different punch press production and processings, can change corresponding installing plate or die shank.
When described upper plate 4 moves downward, described upper plate 4 can transmit pressure to elastic component 23, leads to elastic component 23 continuous
Compress downwards, elastic force will improve constantly, and the elastic force of elastic component 23 will be transmitted on pressing plate 22, pressing plate 22 move downward and with
The cooperation compression of template 21, because workpiece back segment is located between pressing plate 22 and lower template 21, it is achieved thereby that compression, and compress
Power can be increasing, and on the other hand, described upper plate 4 can drive poke rod 41 to move downward, and poke rod 41 can stir rotary sleeve 32
The cooperation of upper clicking section 321 rotates and makes this workpiece leading portion realize twist and warping.
The preferred embodiment of the present invention described in detail above.It should be appreciated that those of ordinary skill in the art is no
Need creative work just can make many modifications and variations according to the design of the present invention.Therefore, all technology in the art
It is available that personnel pass through logical analysis, reasoning, or a limited experiment under this invention's idea on the basis of existing technology
Technical scheme, all should be in the protection domain being defined in the patent claims.
Claims (8)
1. a kind of for workpiece twist and warp molding device it is characterised in that: include base plate (1), elastic hold-down mechanism (2), twist and warping
Mechanism (3) and upper plate (4), this upper plate (4) is located at elastic hold-down mechanism (2) and the top of twist and warping mechanism (3), described elastic compression
Mechanism (2) and upper plate (4) elastic connection, described twist and warping mechanism (3) is arranged on base plate (1), described elastic hold-down mechanism (2) and
Twist and warping mechanism (3) are correspondingly arranged,
Described twist and warping mechanism (3) include base (31), rotary sleeve (32) and the inserts (33) matching with workpiece to be added, described bottom
Seat (31) is arranged on base plate (1) above and has axial line towards the through hole of described elastic hold-down mechanism (2) side on this base (31)
(311), described rotary sleeve (32) is movably arranged in this through hole (311) and one end is protruding, and described inserts (33) is packed in
In rotary sleeve (32), the external part of described rotary sleeve (32) is provided with clicking section (321), and the top of described clicking section (321) sets
It is equipped with corresponding poke rod (41), the upper end of described poke rod (41) is connected with upper plate (4), and described base (31) offers
And arc-shaped slot (312) at an angle concentric with through hole (311), the clicking section (321) of described rotary sleeve (32) is upper to install
There is the rotation banking pin (34) corresponding with this arc-shaped slot (312), described rotation banking pin (34) passes through described arc-shaped slot
(312) and be limited in this arc-shaped slot (312) and rotate, when described upper plate (4) moves downward, described upper plate (4) side pair
Elastic hold-down mechanism (2) transmits pressure and makes one end of workpiece realize compression, and described upper plate (4) opposite side passes through to drive poke rod
(41) stir rotary sleeve (32) upper clicking section (321) cooperation to rotate and make the other end of this workpiece realize twist and warping；
Lower template (21), pressing plate (22) and at least one bullet that described elastic hold-down mechanism (2) inclusion sets gradually from top to bottom
Property part (23), described lower template (21) be arranged on base plate (1), described pressing plate (22) pass through described elastic component (23) and upper plate
(4) elastic connection.
2. as claimed in claim 1 a kind of for workpiece twist and warp molding device, it is characterized in that: described inserts (33) is arranged on
In rotary sleeve (32) and close described elastic hold-down mechanism (2) side, away from described elastic hold-down mechanism in described rotary sleeve (32)
(2) side is provided with locating rod (35).
3. as claimed in claim 1 or 2 a kind of for workpiece twist and warp molding device, it is characterized in that: described rotary sleeve (32)
Spinning reduction spring (20) is connected with outer wall, this spinning reduction spring (20) and rotary sleeve (32) center vertical distribution, described
Spinning reduction spring (20) one end is fixedly connected with the upside of rotary sleeve (32) outer wall, and the other end is packed in by contiguous block (19)
On base plate (1).
4. as claimed in claim 1 a kind of for workpiece twist and warp molding device, it is characterized in that: described upper plate (4) and pressing plate
(22) it is provided with fixed plate (5) between, this fixed plate (5) is packed in the lower end of upper plate (4), described fixed plate (5) is installed downwards
There is at least one guide pillar (6), each described guide pillar (6) lower end can pass perpendicularly through described pressing plate (22) and lower template (21).
5. a kind of device twisting and warping molding for workpiece as described in claim 1 or 4, is characterized in that: described elastic component (23)
Using spring, it is provided with described elastic component (23) equal number between described upper plate (4) and pressing plate (22) and position is corresponding
Pressing mold screw (7), described pressing mold screw (7) passes perpendicularly through described elastic component (23), and described upper plate (4) is provided with the big lower end in upper end
Little stepped hole (401), the end of thread of described pressing mold screw (7) is threadeded with pressing plate (22), the head of described pressing mold screw (7)
End loads this stepped hole (401) and is located at the upper end in the hole of this stepped hole (401), and the lower stomidium of described stepped hole (401) is less than
The head end of described pressing mold screw (7) simultaneously can limit the head end of this pressing mold screw (7) and moves downward.
6. a kind of device twisting and warping molding for workpiece as described in claim 1 or 4, is characterized in that: described lower template (21)
Upper surface at least one alignment pin (8) is installed, described lower template (21) lower surface is provided with and described alignment pin (8) quantity phase
With and the relative location hole in position (211).
7. as claimed in claim 2 a kind of for workpiece twist and warp molding device, it is characterized in that: described locating rod (35) is passed through
Intermediate insulation bushing (36) is arranged in described rotary sleeve (32), and described locating rod (35) and lower template (21) adopt conductor material
Material, described insulating bushing (36) adopts insulating material, and circuit and power supply (38), display lamp are passed through in described locating rod (35) one end
(39) and lower template (21) one end series connection be connected together.
8. a kind of device twisting and warping molding for workpiece as claimed in claim 7, is characterized in that: described locating rod (35) with absolutely
Edge bushing (36) screw thread coordinates, and can carry out position adjustments to this locating rod (35) by rotating described locating rod (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510196730.8A CN104785595B (en) | 2015-04-22 | 2015-04-22 | Workpiece twisting and forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510196730.8A CN104785595B (en) | 2015-04-22 | 2015-04-22 | Workpiece twisting and forming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104785595A CN104785595A (en) | 2015-07-22 |
| CN104785595B true CN104785595B (en) | 2017-02-01 |
Family
ID=53551037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510196730.8A Expired - Fee Related CN104785595B (en) | 2015-04-22 | 2015-04-22 | Workpiece twisting and forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104785595B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478617B (en) * | 2016-01-13 | 2017-06-20 | 浙江同星制冷有限公司 | A kind of pipe-type high-efficiency heat exchanger twist and warping hold-down gear |
| CN111451339A (en) * | 2020-05-18 | 2020-07-28 | 淮安信息职业技术学院 | Eccentric connecting rod torsion device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2808231B1 (en) * | 2000-04-28 | 2002-07-19 | Emt 25 | METHOD FOR TURNING A METAL PART, TURNING DEVICE AND TOOL FOR FOLLOWING EQUIPPED WITH SUCH A DEVICE |
| JP4011603B1 (en) * | 2006-05-30 | 2007-11-21 | 三菱製鋼株式会社 | Coil spring end forming apparatus and coil spring end forming method |
| JP4847825B2 (en) * | 2006-08-30 | 2011-12-28 | 旭精機工業株式会社 | MANUFACTURING METHOD FOR STRIP PLATE MATERIAL |
| CN102847806A (en) * | 2012-09-17 | 2013-01-02 | 张家港市隆旌汽车零部件有限公司 | Twisting forming die for gear shift and selection wiredrawing support |
| CN203140569U (en) * | 2012-12-14 | 2013-08-21 | 上海槎南工贸发展有限公司 | Twisting mould for motor fixing bracket |
| CN204620764U (en) * | 2015-04-22 | 2015-09-09 | 重庆飞龙江利汽车部件有限公司 | A kind of device for workpiece twist and warping processing |
-
2015
- 2015-04-22 CN CN201510196730.8A patent/CN104785595B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN104785595A (en) | 2015-07-22 |
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Granted publication date: 20170201 Termination date: 20190422 |