CN114147127A - Outward-turning bending die for strip-shaped piece - Google Patents
Outward-turning bending die for strip-shaped piece Download PDFInfo
- Publication number
- CN114147127A CN114147127A CN202111496175.2A CN202111496175A CN114147127A CN 114147127 A CN114147127 A CN 114147127A CN 202111496175 A CN202111496175 A CN 202111496175A CN 114147127 A CN114147127 A CN 114147127A
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- Prior art keywords
- module
- compression spring
- transverse
- vertical compression
- vertical
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Links
- 238000005452 bending Methods 0.000 title claims abstract description 13
- 230000006835 compression Effects 0.000 claims abstract description 56
- 238000007906 compression Methods 0.000 claims abstract description 56
- 238000005381 potential energy Methods 0.000 claims abstract description 8
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 235000012149 noodles Nutrition 0.000 claims 7
- 239000000463 material Substances 0.000 abstract description 8
- 230000003993 interaction Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 16
- 238000007493 shaping process Methods 0.000 description 7
- 239000000543 intermediate Substances 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Images
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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
-
- 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
- B21D11/10—Bending specially adapted to produce specific articles, e.g. leaf springs
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/10—Die sets; Pillar guides
- B21D37/12—Particular guiding equipment, e.g. pliers; Special arrangements for interconnection or cooperation of dies
-
- 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
- B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
- B21D45/02—Ejecting devices
- B21D45/04—Ejecting devices interrelated with motion of tool
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses an everting bending die for a strip-shaped part, which comprises a module, an outer module and an inner module, wherein the top of the outer module comprises a pair of inclined plates arranged in a mirror image manner, and the distance between the tops of the two inclined plates is greater than the distance between the bottoms of the two inclined plates; the two inner modules are arranged between the two inclined plates in a mirror image mode, and the cross section track of each inner module is L-shaped; the elastic piece comprises a transverse pressure spring and a vertical pressure spring; the inner module is fixed with a guide post which penetrates through the inclined plate, and a transverse pressure spring is sleeved on the guide post; the vertical compression spring is arranged in the outer module and below the inner module, and the top of the vertical compression spring is provided with a jacking block which is in contact with the bottom of the inner module; the transverse compression spring and the vertical compression spring provide everted elastic potential energy for the two inner modules. By adopting the interaction of the transverse compression spring and the vertical compression spring, the invention provides larger elastic potential energy and avoids blockage of the discharge material. The transverse compression springs are pulled towards two sides, the vertical compression springs are pushed upwards, and the requirement on the elasticity of each compression spring is low.
Description
Technical Field
The invention relates to the field of molds, in particular to an outward-turning bending mold for a strip-shaped piece.
Background
The bending die of the long strip workpiece is also longer, and the die has an outward turning action after stamping and bending so as to promote the stripping of the bent finished product. However, the longer the dimension of the long workpiece is, the more uncontrollable factors such as overall deformation and the like are, and the phenomenon of unsmooth stripping of the long workpiece sometimes occurs.
Disclosure of Invention
The invention aims to solve the problem of providing an outward-turning bending die for a strip-shaped part, wherein a transverse pressure spring and a vertical pressure spring interact with each other to provide larger elastic potential energy and avoid blockage of discharged materials. The transverse compression springs are pulled towards two sides, the vertical compression springs are pushed upwards, and the requirement on the elasticity of each compression spring is low.
In order to solve the problems, the invention provides an outward-turning bending die for a strip-shaped piece, and in order to achieve the purpose, the technical scheme adopted by the invention for solving the technical problems is as follows:
an everting and bending die for a strip, comprising: the module comprises an outer module and an inner module, the top of the outer module comprises a pair of inclined plates arranged in a mirror image mode, and the distance between the tops of the two inclined plates is larger than the distance between the bottoms of the two inclined plates; the two inner modules are arranged between the two inclined plates in a mirror image mode, and the cross section track of each inner module is L-shaped; the elastic piece comprises a transverse pressure spring and a vertical pressure spring; the inner module is fixed with a guide post which penetrates through the inclined plate, and a transverse pressure spring is sleeved on the guide post; the vertical compression spring is arranged in the outer module and below the inner module, and the top of the vertical compression spring is provided with a jacking block which is in contact with the bottom of the inner module; the transverse compression spring and the vertical compression spring provide everted elastic potential energy for the two inner modules.
The beneficial effect of adopting above-mentioned technical scheme is: the outer die block plays a role of an integral base, the two L-shaped inner die blocks serve as inner shaping parts, when the upper pressing device extrudes a strip-shaped workpiece, the two L-shaped inner die blocks are also properly retracted due to downward pressure, and the bending and shaping of the channel steel-shaped workpiece are realized.
When the material is removed after the material is bent into a finished product, the inner module is turned outwards by the elastic tendency to form a linear groove shape with a wide opening part and a narrow bottom part. Realize taking off of bar work piece, avoid bar work piece and interior module to block up each other. The interaction of the transverse compression spring and the vertical compression spring provides larger elastic potential energy, and the phenomenon of material discharge blocking is further avoided. The transverse compression spring is mainly pulled towards two sides, and the vertical compression spring is pushed upwards from the middle part. Therefore, the requirement on the elasticity of each directional pressure spring and each vertical pressure spring is low, and the requirement on parts is low. The jacking blocks play the role of intermediates.
As a further improvement of the invention, each inner module comprises a side wall plate and a bottom plate which are vertically fixed with each other; when the bottom plate is in a horizontal state, the edges of the respective bottom plates of the two inner modules are in contact with each other.
The beneficial effect of adopting above-mentioned technical scheme is: the two inner modules are in contact in close proximity to each other when in their innermost position. The two inner modules each have a degree of freedom of oscillation within a small angular range.
As a further improvement of the invention, when the bottom plate is in a horizontal state, a gap exists between the inner wall of the inclined plate and the outer wall of the side wall plate; one end of the guide pillar, which is deviated from the inner module, is provided with a blocking piece which extends in the radial direction, and one end of the transverse pressure spring is contacted with the blocking piece.
The beneficial effect of adopting above-mentioned technical scheme is: the guide post movably penetrates through the inclined plate, and the shaft end of the guide post is provided with a blocking piece, so that the possibility that the pressure spring provides eversion elasticity for the inner module is realized.
As a further improvement of the invention, the guide post is vertically fixed with the side wall plate, and a plurality of transverse compression springs are arranged at equal intervals along the length direction of the outer die block.
The beneficial effect of adopting above-mentioned technical scheme is: no matter how long the length of the workpiece is under the condition of shaping, the compression springs are arranged at equal intervals.
As a further improvement of the invention, the centroid of the jacking block is positioned on the symmetrical plane of the space of the two inner modules, and the outer module is provided with a linear groove for accommodating the vertical compression spring and the jacking block.
The beneficial effect of adopting above-mentioned technical scheme is: the jacking block can simultaneously and symmetrically act on the two inner modules. The straight line groove provides spacing for the vertical lift of jacking piece.
As a still further improvement of the invention, the diameter of the vertical compression spring is larger than that of the transverse compression spring.
The beneficial effect of adopting above-mentioned technical scheme is: the diameter of the vertical pressure spring is large, so that the vertical pressure spring is prevented from being inclined.
As a further improvement of the invention, the vertical compression springs and the transverse compression springs are alternately arranged at intervals along the length direction of the outer die block.
The beneficial effect of adopting above-mentioned technical scheme is: the layout of the pressure spring is further refined, and the elastic outward turning force applied to each part of the strip-shaped tool is more uniform when viewed from the length direction of the strip-shaped tool.
As a further improvement of the invention, the lower surface of the bottom plate is provided with a first convex curved surface, the upper surface of the jacking block is provided with a second convex curved surface, the first convex curved surface and the second convex curved surface form line contact, and the generatrices of the first convex curved surface and the second convex curved surface are parallel to the length direction of the outer module.
The beneficial effect of adopting above-mentioned technical scheme is: the motion form of inner module and jacking piece has been considered in the form of first convex curved surface and second convex curved surface, and no matter how the respective space state of inner module and jacking piece, all be line contact between the two, resistance when the jacking piece can not increase inner module and overturn.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a perspective view of one embodiment of the present invention;
FIG. 2 is a perspective view of one embodiment of the present invention;
fig. 3 is a schematic diagram of an application of an embodiment of the present invention.
1-an outer module; 2-an inner module; 3-transverse compression spring; 4-a baffle plate; 5-accommodating the tank; 6-an inclined plate; 7-a base; 8-a linear groove; 9-vertical compression spring; 10-jacking blocks; 11-side wall panels; 12-a bottom plate; 13-a first convex curve; 14-a second convex curved surface; 15-strip-shaped workpiece.
Detailed Description
The present invention will be further described in detail with reference to the following specific examples:
in order to achieve the object of the invention, an eversion bending die for a strip comprises: the module comprises an outer module 1 and an inner module 2, the top of the outer module 1 comprises a pair of inclined plates 6 arranged in a mirror image mode, and the distance between the tops of the two inclined plates 6 is larger than the distance between the bottoms of the two inclined plates; the two inner modules 2 are arranged between the two inclined plates 6 in a mirror image mode, and the cross section track of each inner module 2 is L-shaped; the elastic piece comprises a transverse compression spring 3 and a vertical compression spring 9; a guide post penetrating through the inclined plate 6 is fixed on the inner module 2, and a transverse pressure spring 3 is sleeved on the guide post; a vertical compression spring 9 is arranged inside the outer module 1 and below the inner module 2, and a jacking block 10 in contact with the bottom of the inner module 2 is arranged at the top of the vertical compression spring 9; the transverse compression spring 3 and the vertical compression spring 9 provide eversion elastic potential energy for the two inner modules 2.
The two inner modules 2 arranged in mirror image form a receiving groove 5 for receiving and shaping the strip-shaped workpiece 15. The outer module 1 except the inclined plate 6 is a base 7.
The beneficial effect of adopting above-mentioned technical scheme is: the outer die block plays a role of an integral base, the two L-shaped inner die blocks serve as inner shaping parts, when the upper pressing device extrudes a strip-shaped workpiece, the two L-shaped inner die blocks are also properly retracted due to downward pressure, and the bending and shaping of the channel steel-shaped workpiece are realized. When the material is removed after the material is bent into a finished product, the inner module is turned outwards by the elastic tendency to form a linear groove shape with a wide opening part and a narrow bottom part. Realize taking off of bar work piece, avoid bar work piece and interior module to block up each other. The interaction of the transverse compression spring and the vertical compression spring provides larger elastic potential energy, and the phenomenon of material discharge blocking is further avoided. The transverse compression spring is mainly pulled towards two sides, and the vertical compression spring is pushed upwards from the middle part. Therefore, the requirement on the elasticity of each directional pressure spring and each vertical pressure spring is low, and the requirement on parts is low. The jacking blocks play the role of intermediates.
In other embodiments of the invention, each inner module 2 comprises a side wall panel 11, a bottom panel 12 secured perpendicular to each other; the edges of the respective bottom plates 12 of the two inner modules 2 are in contact with each other when the bottom plates 12 are in a horizontal state.
The beneficial effect of adopting above-mentioned technical scheme is: the two inner modules are in contact in close proximity to each other when in their innermost position. The two inner modules each have a degree of freedom of oscillation within a small angular range.
In other embodiments of the invention, when the bottom panel 12 is horizontal, there is a gap between the inner wall of the diagonal panel 6 and the outer wall of the side wall panel 11; one end of the guide post, which is far away from the inner module 2, is provided with a baffle plate 4 which extends radially, and one end of the transverse pressure spring 3 is contacted with the baffle plate 4.
The beneficial effect of adopting above-mentioned technical scheme is: the guide post movably penetrates through the inclined plate, and the shaft end of the guide post is provided with a blocking piece, so that the possibility that the pressure spring provides eversion elasticity for the inner module is realized.
In other embodiments of the present invention, the guide posts are fixed vertically to the side wall plate 11, and a plurality of transverse compression springs 3 are arranged at equal intervals along the length direction of the outer module 1 itself.
The beneficial effect of adopting above-mentioned technical scheme is: no matter how long the length of the workpiece is under the condition of shaping, the compression springs are arranged at equal intervals.
In other embodiments of the present invention, the centroid of the jacking block 10 is located on the spatial symmetry plane of the two inner modules 2, and the outer module 1 is provided with a linear groove 8 for accommodating the vertical compression spring 9 and the jacking block 10.
The beneficial effect of adopting above-mentioned technical scheme is: the jacking block can simultaneously and symmetrically act on the two inner modules. The straight line groove provides spacing for the vertical lift of jacking piece.
In further embodiments of the invention, the diameter of the vertical compression springs 9 is greater than the diameter of the transverse compression springs 3.
The beneficial effect of adopting above-mentioned technical scheme is: the diameter of the vertical pressure spring is large, so that the vertical pressure spring is prevented from being inclined.
In other embodiments of the invention, the vertical compression springs 9 and the transverse compression springs 3 are alternately arranged at intervals along the length direction of the outer die block 1.
The beneficial effect of adopting above-mentioned technical scheme is: the layout of the pressure spring is further refined, and the elastic outward turning force applied to each part of the strip-shaped tool is more uniform when viewed from the length direction of the strip-shaped tool.
In another embodiment of the present invention, the lower surface of the bottom plate 12 has a first convex curved surface 13, the upper surface of the jacking block 10 has a second convex curved surface 14, the first convex curved surface 13 and the second convex curved surface 14 form a line contact, and the generatrices of the first convex curved surface 13 and the second convex curved surface 14 are parallel to the length direction of the outer module 1.
The beneficial effect of adopting above-mentioned technical scheme is: the motion form of inner module and jacking piece has been considered in the form of first convex curved surface and second convex curved surface, and no matter how the respective space state of inner module and jacking piece, all be line contact between the two, resistance when the jacking piece can not increase inner module and overturn.
FIG. 3 is a view showing more than FIG. 1, in FIG. 3, a bar-shaped workpiece 15; figure 2 in comparison to figure 1, the inner module of figure 2 is turned inside out.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (8)
1. A mould of bending that turns up for BAR spare, its characterized in that includes:
the module comprises an outer module and an inner module, the top of the outer module comprises a pair of inclined plates arranged in a mirror image mode, and the distance between the tops of the two inclined plates is larger than the distance between the bottoms of the two inclined plates; the two inner modules are arranged between the two inclined plates in a mirror image mode, and the cross section track of each inner module is L-shaped;
the elastic piece comprises a transverse pressure spring and a vertical pressure spring; a guide post penetrating through the inclined plate is fixed on the inner module, and a transverse pressure spring is sleeved on the guide post; the vertical compression spring is arranged inside the outer module and below the inner module, and the top of the vertical compression spring is provided with a jacking block which is in contact with the bottom of the inner module; the transverse compression spring and the vertical compression spring provide everted elastic potential energy for the two inner modules.
2. A flanging die for a noodle according to claim 1 wherein: each inner module comprises a side wall plate and a bottom plate which are vertically fixed with each other; when the bottom plate is in a horizontal state, the edges of the respective bottom plates of the two inner modules are in contact with each other.
3. A flanging die for a noodle according to claim 2 wherein: when the bottom plate is in a horizontal state, a gap is formed between the inner wall of the inclined plate and the outer wall of the side wall plate; one end of the guide post, which is far away from the inner module, is provided with a blocking piece which extends in the radial direction, and one end of the transverse pressure spring is in contact with the blocking piece.
4. A flanging die for a noodle according to claim 3 wherein: the guide post is vertically fixed with the side wall plate, and the plurality of transverse compression springs are arranged at equal intervals along the length direction of the outer die block.
5. A flanging die for a noodle according to claim 4 wherein: the centroid of the jacking block is located on the space symmetry plane of the two inner modules, and the outer module is provided with a linear groove for accommodating the vertical compression spring and the jacking block.
6. A flanging die for a noodle according to claim 5 wherein: the diameter of the vertical compression spring is larger than that of the transverse compression spring.
7. A flanging die for a noodle according to claim 6 wherein: and the vertical compression springs and the transverse compression springs are alternately arranged at intervals along the length direction of the outer module.
8. A flanging die for a noodle according to claim 7 wherein: the lower surface of bottom plate possesses first convex curved surface, the upper surface of jacking piece possesses the convex curved surface of second, first convex curved surface constitutes line contact with the convex curved surface of second, the respective generating line of first convex curved surface, the convex curved surface of second is parallel with external module self length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111496175.2A CN114147127B (en) | 2021-12-09 | 2021-12-09 | A turn over and turn over curved mould for bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111496175.2A CN114147127B (en) | 2021-12-09 | 2021-12-09 | A turn over and turn over curved mould for bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114147127A true CN114147127A (en) | 2022-03-08 |
| CN114147127B CN114147127B (en) | 2024-05-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111496175.2A Active CN114147127B (en) | 2021-12-09 | 2021-12-09 | A turn over and turn over curved mould for bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114147127B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102508055B1 (en) * | 2022-08-25 | 2023-03-09 | 안진테크 주식회사 | square pipe notching device |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000246340A (en) * | 1999-02-25 | 2000-09-12 | Tiger Kosan:Kk | Weighted metal plate bending device |
| JP2002028728A (en) * | 2000-07-12 | 2002-01-29 | Tiger Kosan:Kk | Apparatus for bending metal plate to u shape with rotation suppression function |
| CN201960041U (en) * | 2011-01-13 | 2011-09-07 | 宁波轴瓦厂 | One-step rolling die for shaft sleeves |
| JP2015016498A (en) * | 2013-07-12 | 2015-01-29 | 株式会社アマダ | Lower die device |
| CN204365831U (en) * | 2014-12-02 | 2015-06-03 | 芳源企业（上海）有限公司 | Novel stairstepping workpiece Bending Mould |
| CN204892716U (en) * | 2015-07-24 | 2015-12-23 | 滁州市精华模具制造有限公司 | Stamping die |
| US20170259316A1 (en) * | 2014-03-31 | 2017-09-14 | Tokyo Seimitsu Hatsujo Co.,Ltd. | Bending device for meatllic plate |
| CN207343606U (en) * | 2017-10-27 | 2018-05-11 | 武汉东泰盛机械有限公司 | Bend forming die |
| CN207642145U (en) * | 2017-12-22 | 2018-07-24 | 武汉博茗低碳产业股份有限公司 | A kind of arc-shaped diel of sheet member |
| JP6487612B1 (en) * | 2018-03-19 | 2019-03-20 | 有限会社ティワイアソシエイツ | Bending machine |
| CN110394402A (en) * | 2019-09-02 | 2019-11-01 | 北京航星机器制造有限公司 | A kind of multidirectional integral heat pressure piecemeal mold of negative angle part and manufacturing process |
| CN211247838U (en) * | 2019-12-06 | 2020-08-14 | 苏州澳克机械有限公司 | Bucket rod U-shaped part overturning and forming die |
| CN213968634U (en) * | 2020-11-27 | 2021-08-17 | 常州润拓不锈钢有限公司 | High-precision metal plate bending die |
| CN214022755U (en) * | 2020-12-23 | 2021-08-24 | 安徽力源数控刃模具制造有限公司 | Automatic demoulding and bending die for U-shaped sheet metal part for rail transit vehicle body |
-
2021
- 2021-12-09 CN CN202111496175.2A patent/CN114147127B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000246340A (en) * | 1999-02-25 | 2000-09-12 | Tiger Kosan:Kk | Weighted metal plate bending device |
| JP2002028728A (en) * | 2000-07-12 | 2002-01-29 | Tiger Kosan:Kk | Apparatus for bending metal plate to u shape with rotation suppression function |
| CN201960041U (en) * | 2011-01-13 | 2011-09-07 | 宁波轴瓦厂 | One-step rolling die for shaft sleeves |
| JP2015016498A (en) * | 2013-07-12 | 2015-01-29 | 株式会社アマダ | Lower die device |
| US20170259316A1 (en) * | 2014-03-31 | 2017-09-14 | Tokyo Seimitsu Hatsujo Co.,Ltd. | Bending device for meatllic plate |
| CN204365831U (en) * | 2014-12-02 | 2015-06-03 | 芳源企业（上海）有限公司 | Novel stairstepping workpiece Bending Mould |
| CN204892716U (en) * | 2015-07-24 | 2015-12-23 | 滁州市精华模具制造有限公司 | Stamping die |
| CN207343606U (en) * | 2017-10-27 | 2018-05-11 | 武汉东泰盛机械有限公司 | Bend forming die |
| CN207642145U (en) * | 2017-12-22 | 2018-07-24 | 武汉博茗低碳产业股份有限公司 | A kind of arc-shaped diel of sheet member |
| JP6487612B1 (en) * | 2018-03-19 | 2019-03-20 | 有限会社ティワイアソシエイツ | Bending machine |
| CN110394402A (en) * | 2019-09-02 | 2019-11-01 | 北京航星机器制造有限公司 | A kind of multidirectional integral heat pressure piecemeal mold of negative angle part and manufacturing process |
| CN211247838U (en) * | 2019-12-06 | 2020-08-14 | 苏州澳克机械有限公司 | Bucket rod U-shaped part overturning and forming die |
| CN213968634U (en) * | 2020-11-27 | 2021-08-17 | 常州润拓不锈钢有限公司 | High-precision metal plate bending die |
| CN214022755U (en) * | 2020-12-23 | 2021-08-24 | 安徽力源数控刃模具制造有限公司 | Automatic demoulding and bending die for U-shaped sheet metal part for rail transit vehicle body |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102508055B1 (en) * | 2022-08-25 | 2023-03-09 | 안진테크 주식회사 | square pipe notching device |
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| Publication number | Publication date |
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| CN114147127B (en) | 2024-05-03 |
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