CN104785595A - Workpiece twisting and forming device - Google Patents
Workpiece twisting and forming device Download PDFInfo
- Publication number
- CN104785595A CN104785595A CN201510196730.8A CN201510196730A CN104785595A CN 104785595 A CN104785595 A CN 104785595A CN 201510196730 A CN201510196730 A CN 201510196730A CN 104785595 A CN104785595 A CN 104785595A
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- China
- Prior art keywords
- workpiece
- upper plate
- twist
- rotary sleeve
- plate
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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.)
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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)
- Bending Of Plates, Rods, And Pipes (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (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, be specifically related to a kind ofly twist and warp shaping device for workpiece.
Background technology
Crooked part is one of the most frequently used part in the equipment such as Modern Industry Products, automobile, electrical equipment, instrument and instrument and equipment.And existing bending apparatus can only pass through mutually to be bent into certain angle along a broken line to two of a part face, but some peculiar parts require by torsional bending certain space angle, such as oil level stick needs two parts of bar-shaped workpieces to reverse curvature at an angle.And adopt existing bending apparatus just can not realize the torsion curvature processing of this type of part.
Summary of the invention
Because the above-mentioned defect of prior art, technical problem to be solved by this invention is to provide a kind ofly twists and warps shaping device for workpiece, bar-shaped workpieces can be made to reverse curvature angled.
For achieving the above object, the invention provides and a kind ofly twist and warp shaping device for workpiece, its key is: comprise base plate, elastic hold-down mechanism, twist and warping mechanism and upper plate, this upper plate is positioned at the top of elastic hold-down mechanism and twist and warping mechanism, described elastic hold-down mechanism is connected with upper plate elasticity, described twist and warping mechanism is arranged on base plate, described elastic hold-down mechanism and twist and warping mechanism correspondence are arranged, described twist and warping mechanism comprises base, rotary sleeve and the inserts matched with workpiece to be added, described floor installation has the through hole of axial line towards described elastic hold-down mechanism side on base plate and on this base, described rotary sleeve is movably arranged in this through hole and one end is protruding, described inserts is packed in rotary sleeve, the external part of described rotary sleeve is provided with clicking section, the top of described clicking section is provided with corresponding poke rod, the upper end of described poke rod is connected with upper plate, when described upper plate moves downward, described upper plate side makes one end of workpiece realize compressing to elastic hold-down mechanism transmission pressure, described upper plate opposite side makes the other end of this workpiece realize twist and warping by driving poke rod to stir cooperation rotation in clicking section on rotary sleeve.
Adopt technique scheme, the one end of waiting to twist and warp part is put into the below in elastic hold-down mechanism, the other end is inserted in inserts and clamps location, then downward pressure applied to upper plate and move downward, when described upper plate moves downward, described upper plate side makes one end of workpiece realize compressing to elastic hold-down mechanism discharge pressure, described upper plate opposite side makes the other end of this workpiece realize twist and warping by driving poke rod to stir cooperation rotation in clicking section on rotary sleeve, rotated in rotation block set together with inserts by rotary sleeve, according to the angle that rotary sleeve rotates, achieve the torsional bending processing on workpiece certain angle.This device is moved downward by upper plate, can realize compression and twist and warping two functions of workpiece, realize bar-shaped workpieces torsion curvature angled.
Preferably, described elastic hold-down mechanism comprises lower bolster, pressing plate and at least one elastic component set gradually from top to bottom, described lower bolster is arranged on base plate, and described pressing plate is connected with upper plate elasticity by described elastic component.
As further, described rotation block set offers arc-shaped slot concentric with through hole and at an angle, the clicking section of described rotary sleeve is provided with the rotation banking pin corresponding with this arc-shaped slot, described rotation banking pin passes described arc-shaped slot and is limited in this arc-shaped slot and rotates.The arc angles of arc-shaped slot is a fixed value, and rotate banking pin and can only move in this arc-shaped slot, arc-shaped slot coordinates rotational angle with regard to the torsional bending angle of workpiece with rotation banking pin, so add man-hour, because rotary sleeve rotational angle is identical, so the torsional bending angle of each workpiece can both accurately control, can workpiece quality be ensured, improve qualification rate; After twist and warping machine, be also convenient to rotary sleeve to be turned back to original position simultaneously, rotation start position is accurately located.
As further, described inserts to be arranged in rotary sleeve and near described elastic hold-down mechanism side, to be provided with backstay in described rotary sleeve away from described elastic hold-down mechanism side.Positioned workpiece bows position by backstay, the length that can realize workpiece bows carries out spacing control.
As further, described rotary sleeve outer wall is connected with spinning reduction spring, this spinning reduction spring and rotary sleeve central vertical distribute, and described spinning reduction spring one end is fixedly connected with the upside of rotary sleeve outer wall, and the other end is packed on base plate by contiguous block.After twist and warping processing, make its rotary sleeve reset to initial position by back-moving spring, be convenient to process next time, be beneficial to continuous seepage and Automated condtrol.
As further, be provided with fixed head between described upper plate and pressing plate, this fixed head is packed in the lower end of upper plate, and described fixed head is provided with at least one guide pillar downwards, and described in each root, guide pillar lower end can pass perpendicularly through described pressing plate and lower bolster.Described pressing plate is moved up and down by some guide pillar guiding, and its motion is more steady, can ensure that pressing plate more accurately can coordinate compression with lower bolster simultaneously.
As further, described elastic component adopts spring, be provided with between described upper plate and pressing plate with described elastic component equal number and pressing mold screw corresponding to position, described pressing mold screw passes perpendicularly through described elastic component, described upper plate is provided with small top and big bottom stepped hole, the end of thread of described pressing mold screw is threaded with pressing plate, the head end of described pressing mold screw loads this stepped hole and is positioned at the upper end hole of this stepped hole, and the lower stomidium of described stepped hole is less than the head end of described pressing mold screw and the head end that can limit this pressing mold screw moves downward.This pressing mold screw is through spring, and pocketed springs on such pressing mold screw, during spring stress compression, camber of spring compression direction ensures consistent with pressing mold screw all the time, make its some spring identical to platen pressure direction, Impact direction is consistent, cope match-plate pattern and lower bolster better can be made to coordinate and compress.The head end of described pressing mold screw keeps departing from pressing plate simultaneously, is beneficial to the quality of fit remaining this device, ensures Continuous maching precision.
As further, the upper surface of described lower bolster is provided with at least one alignment pin, and described lower bolster lower surface is provided with and locating hole that position relative identical with described alignment pin quantity.Be beneficial to pressing plate and accurately can coordinate compression with lower bolster, just location is carried out to rod-shaped objects, is beneficial to product and successfully enters in inserts.
As further, described backstay is arranged in described rotary sleeve by intermediate insulation lining, described backstay and lower bolster adopt conductor material, and described insulating bushing adopts insulating material, described backstay one end by circuit together with power supply, indicator lamp and the series connection of lower bolster one end.When workpiece contacts with lower bolster with described backstay simultaneously, just constitute connection circuit, indicator lamp will be bright, can be started smoothly by power set (as punch press) upper plate; Otherwise indicator lamp goes out, can not be started by power set upper plate, in whole process, workpiece is equivalent to the turn on-switch of whole circuit, can control the break-make of whole circuit.Judge that on off operating mode determines whether workpiece accurately locates by indicator lamp, accurate judgement and the control of Workpiece fixing length can be realized.
As further, described backstay and insulating bushing threaded engagement, can carry out position adjustments to this backstay by rotating described backstay.Controlled the extension position of bar-shaped workpieces torsional bending place by backstay, be convenient to length direction and 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.Be convenient to adopt different punch press production and processing, corresponding installing plate or die shank can be changed.
Beneficial effect is: structure of the present invention is simple, easy to operate, can improve certainty of measurement realize bar-shaped workpieces reverse curvature angled, can batch consecutive production be carried out, accurately can locate bending position simultaneously, the torsion length that can control workpiece, to twist and warp angle, has that machining accuracy is high, qualification rate is high and low cost and other advantages.
Accompanying drawing explanation
Structural representation when Fig. 1 is 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 that twist and warping of the present invention add structural representation in man-hour;
Fig. 5 is the partial view in B-B direction in Fig. 1.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described:
As Figure 1-5, a kind ofly twist and warp shaping device for workpiece, comprise base plate 1, elastic hold-down mechanism 2, twist and warping mechanism 3 and upper plate 4, this upper plate 4 is positioned at the top of elastic hold-down mechanism 2 and twist and warping mechanism 3, described elastic hold-down mechanism 2 is connected with upper plate 4 elasticity, 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 correspondence are arranged.
In the present embodiment, described twist and warping mechanism 3 comprises base 31, rotary sleeve 32 and the inserts 33 matched with workpiece to be added, in the middle of this inserts 33 with jack mate with the cross section of workpiece to be processed, described base 31 to be arranged on base plate 1 and this base 31 to have the through hole 311 of axial line towards described elastic hold-down mechanism 2 side, described rotary sleeve 32 is movably arranged in this through hole 311 and one end is protruding, described inserts 33 is packed in rotary sleeve 32, the external part of described rotary sleeve 32 is provided with clicking section 321, the top of described clicking section 321 is provided with corresponding poke rod 41, the upper end of described poke rod 41 is connected with upper plate 4.
In the present embodiment, described elastic hold-down mechanism 2 comprises lower bolster 21, pressing plate 22 and at least one elastic component 23, the described lower bolster 21 that set gradually from top to bottom and is arranged on base plate 1, and described pressing plate 22 is connected with upper plate 4 elasticity by described elastic component 23.
Further, the workpiece obtained to be processed requires that twist and warping angle is 90 °, described rotation block set 31 offers concentric with through hole 311 and in 90 ° of angles arc-shaped slot 312, the clicking section 321 of described rotary sleeve 32 is provided with the rotation banking pin 34 corresponding with this arc-shaped slot 312, described rotation banking pin 34 passes described arc-shaped slot 312 and is limited in this arc-shaped slot 312 and rotates
Further, described inserts 33 is arranged in rotary sleeve 32 and close described elastic hold-down mechanism 2 side, is provided with backstay 35 in described rotary sleeve 32 away from described elastic hold-down mechanism 2 side.Backstay 35 top, for stopping restriction processing work length direction insertion position, realizes positioning Workpiece length direction.
Further, described rotary sleeve 32 outer wall is connected with spinning reduction spring 20, this spinning reduction spring 20 distributes with rotary sleeve 32 central vertical, and 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 on base plate 1 by contiguous block 19.Before processing, this spinning reduction spring 20 is in original state, and after described rotary sleeve 32 turns an angle, its spinning reduction spring 20 will be elongated, and after processing, drives rotary sleeve 32 automatic rotation to reset by the powerful elastic force of spinning reduction spring 20.
Further, be provided with fixed head 5 between described upper plate 4 and pressing plate 22, this fixed head 5 is packed in the lower end of upper plate 4, and described fixed head 5 is provided with at least one guide pillar 6 downwards, and described in each root, guide pillar 6 lower end can pass perpendicularly through described pressing plate 22 and lower bolster 21.
Further, described elastic component 23 adopts spring, be provided with between described upper plate 4 and pressing plate 22 with described elastic component 23 equal number and pressing mold screw 7 corresponding to position, described pressing mold screw 7 passes perpendicularly through described elastic component 23, described upper plate 4 is provided with small top and big bottom stepped hole 401, the end of thread of described pressing mold screw 7 is threaded with pressing plate 22, the head end of described pressing mold screw 7 loads this stepped hole 401 and is positioned at the upper end hole of this stepped hole 401, the lower stomidium of described stepped hole 401 is less than the head end of described pressing mold screw 7 and the head end that can limit this pressing mold screw 7 moves downward.
Further, the upper surface of described lower bolster 21 is provided with at least one alignment pin 8, and described lower bolster 21 lower surface is provided with and locating hole 211 that position relative identical with described alignment pin 8 quantity.
Further, described backstay 35 is arranged in described rotary sleeve 32 by intermediate insulation lining 36, described backstay 35 and lower bolster 21 adopt conductor material, its specifically can be common metal material, described insulating bushing 36 adopts insulating material, its specifically can be common plastic material, described backstay 35 one end by circuit together with power supply 38, indicator lamp 39 and lower bolster 21 one end series connection.
Further, described backstay 35 and insulating bushing 36 threaded engagement, by rotating described backstay 35, backstay 35 and insulating bushing 36 threaded engagement are moved, and realize to carry out position adjustments to this backstay 35.
As further, described upper plate upper end is provided with installing plate, and this installing plate upper end is provided with die shank.Be convenient to adopt different punch press production and processing, corresponding installing plate or die shank can be changed.
When described upper plate 4 moves downward, described upper plate 4 can to elastic component 23 transmission pressure, cause elastic component 23 constantly compression downwards, elastic force will improve constantly, and the elastic force of elastic component 23 will be transferred on pressing plate 22, pressing plate 22 moves downward and compresses with coordinating of lower bolster 21, because workpiece back segment is between pressing plate 22 and lower bolster 21, thus achieve compression, and thrust can be increasing, on the other hand, described upper plate 4 can drive poke rod 41 to move downward, poke rod 41 can be stirred clicking section 321 on rotary sleeve 32 and coordinates rotation and make this workpiece leading portion realize twist and warping.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technical staff in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (10)
1. twist and warp shaping device for workpiece for one kind, it is characterized in that: comprise base plate (1), elastic hold-down mechanism (2), twist and warping mechanism (3) and upper plate (4), this upper plate (4) is positioned at the top of elastic hold-down mechanism (2) and twist and warping mechanism (3), described elastic hold-down mechanism (2) is connected with upper plate (4) elasticity, described twist and warping mechanism (3) is arranged on base plate (1), described elastic hold-down mechanism (2) and twist and warping mechanism (3) correspondence are arranged
Described twist and warping mechanism (3) comprises base (31), rotary sleeve (32) and the inserts (33) matched with workpiece to be added, described base (31) is arranged on base plate (1) and goes up and this base (31) have the through hole (311) of axial line towards described elastic hold-down mechanism (2) side, described rotary sleeve (32) is movably arranged in this through hole (311) and one end is protruding, described inserts (33) is packed in rotary sleeve (32), the external part of described rotary sleeve (32) is provided with clicking section (321), the top of described clicking section (321) is provided with corresponding poke rod (41), the upper end of described poke rod (41) is connected with upper plate (4),
When described upper plate (4) moves downward, described upper plate (4) side makes one end of workpiece realize compression to elastic hold-down mechanism (2) transmission pressure, described upper plate (4) opposite side passes through to drive poke rod (41) to stir the upper clicking section (321) of rotary sleeve (32) and coordinates rotation and make the other end realization twist and warping of this workpiece.
2. a kind ofly as claimed in claim 1 twist and warp shaping device for workpiece, it is characterized in that: described elastic hold-down mechanism (2) comprises lower bolster (21), pressing plate (22) and at least one elastic component (23), the described lower bolster (21) that set gradually from top to bottom and is arranged on base plate (1), and described pressing plate (22) is connected with upper plate (4) elasticity by described elastic component (23).
3. a kind ofly as claimed in claim 1 twist and warp shaping device for workpiece, it is characterized in that: described rotation block set (31) offers arc-shaped slot (312) concentric with through hole (311) and at an angle, the clicking section (321) of described rotary sleeve (32) is provided with the rotation banking pin (34) corresponding with this arc-shaped slot (312), and described rotation banking pin (34) is through described arc-shaped slot (312) and be limited in this arc-shaped slot (312) and rotate.
4. a kind ofly as claimed in claim 1 twist and warp shaping device for workpiece, it is characterized in that: described inserts (33) is arranged in rotary sleeve (32) and close described elastic hold-down mechanism (2) side, is provided with backstay (35) in described rotary sleeve (32) away from described elastic hold-down mechanism (2) side.
5. as a kind of in claim 1-4 as described in any one twists and warps shaping device for workpiece, it is characterized in that: described rotary sleeve (32) outer wall is connected with spinning reduction spring (20), this spinning reduction spring (20) and rotary sleeve (32) central vertical distribute, 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 on base plate (1) by contiguous block (19).
6. a kind ofly as claimed in claim 2 twist and warp shaping device for workpiece, it is characterized in that: between described upper plate (4) and pressing plate (22), be provided with fixed head (5), this fixed head (5) is packed in the lower end of upper plate (4), described fixed head (5) is provided with at least one guide pillar (6) downwards, and guide pillar (6) lower end described in each root can pass perpendicularly through described pressing plate (22) and lower bolster (21).
7. a kind of as described in claim 2 or 6 twists and warps shaping device for workpiece, it is characterized in that: described elastic component (23) adopts spring, be provided with between described upper plate (4) and pressing plate (22) with described elastic component (23) equal number and pressing mold screw (7) corresponding to position, described pressing mold screw (7) passes perpendicularly through described elastic component (23), described upper plate (4) is provided with small top and big bottom stepped hole (401), the end of thread of described pressing mold screw (7) is threaded with pressing plate (22), the head end of described pressing mold screw (7) loads this stepped hole (401) and is positioned at the upper end hole of this stepped hole (401), the lower stomidium of described stepped hole (401) is less than the head end of described pressing mold screw (7) and the head end that can limit this pressing mold screw (7) moves downward.
8. as a kind of in claim 2 or 6 as described in any one twists and warps shaping device for workpiece, it is characterized in that: the upper surface of described lower bolster (21) is provided with at least one alignment pin (8), described lower bolster (21) lower surface is provided with and locating hole (211) that position relative identical with described alignment pin (8) quantity.
9. as a kind of of claim 2 or 6 twists and warps shaping device for workpiece, it is characterized in that: described backstay (35) is arranged in described rotary sleeve (32) by intermediate insulation lining (36), described backstay (35) and lower bolster (21) adopt conductor material, described insulating bushing (36) adopt insulating material, described backstay (35) one end by circuit together with power supply (38), indicator lamp (39) and lower bolster (21) one end series connection.
10. a kind ofly as claimed in claim 9 twist and warp shaping device for workpiece, it is characterized in that: described backstay (35) and insulating bushing (36) threaded engagement, position adjustments can be carried out to this backstay (35) by rotating described backstay (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 true CN104785595A (en) | 2015-07-22 |
| CN104785595B CN104785595B (en) | 2017-02-01 |
Family
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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) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478617A (en) * | 2016-01-13 | 2016-04-13 | 浙江同星制冷有限公司 | Twisting and pressing device for one-pipe type efficient heat exchanger |
| CN111451339A (en) * | 2020-05-18 | 2020-07-28 | 淮安信息职业技术学院 | Eccentric connecting rod torsion device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1149642A1 (en) * | 2000-04-28 | 2001-10-31 | Emt 25 | Process for twisting a metallic piece, twisting apparatus and progressive die for such a device |
| JP2008055453A (en) * | 2006-08-30 | 2008-03-13 | Asahi-Seiki Mfg Co Ltd | Method of manufacturing product of strip material and strip material working machine |
| CN101454094A (en) * | 2006-05-30 | 2009-06-10 | 三菱制钢株式会社 | Device and method for forming end of coiled spring |
| 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
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1149642A1 (en) * | 2000-04-28 | 2001-10-31 | Emt 25 | Process for twisting a metallic piece, twisting apparatus and progressive die for such a device |
| CN101454094A (en) * | 2006-05-30 | 2009-06-10 | 三菱制钢株式会社 | Device and method for forming end of coiled spring |
| JP2008055453A (en) * | 2006-08-30 | 2008-03-13 | Asahi-Seiki Mfg Co Ltd | Method of manufacturing product of strip material and strip material working machine |
| 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 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478617A (en) * | 2016-01-13 | 2016-04-13 | 浙江同星制冷有限公司 | Twisting and pressing device for one-pipe type efficient heat exchanger |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104785595B (en) | 2017-02-01 |
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