CN114147127B - A turn over and turn over curved mould for bar - Google Patents
A turn over and turn over curved mould for bar Download PDFInfo
- Publication number
- CN114147127B CN114147127B CN202111496175.2A CN202111496175A CN114147127B CN 114147127 B CN114147127 B CN 114147127B CN 202111496175 A CN202111496175 A CN 202111496175A CN 114147127 B CN114147127 B CN 114147127B
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- pressure spring
- module
- transverse
- vertical
- curved surface
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- 230000007306 turnover Effects 0.000 title description 4
- 230000006835 compression Effects 0.000 claims abstract description 33
- 238000007906 compression Methods 0.000 claims abstract description 33
- 238000005452 bending Methods 0.000 claims abstract description 11
- 238000005381 potential energy Methods 0.000 claims abstract description 8
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 230000000903 blocking effect Effects 0.000 abstract description 4
- 238000007599 discharging Methods 0.000 abstract description 3
- 230000003993 interaction Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 16
- 238000007493 shaping process Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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 outer bending die for a strip-shaped part, which comprises a die block, wherein the die block comprises an outer die block and an inner die block, the top of the outer die block comprises a pair of inclined plates which are arranged in a mirror image manner, 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 penetrating through the inclined plate, and the guide post is sleeved with a transverse pressure spring; the vertical pressure spring is arranged in the outer module and below the inner module, and the top of the vertical pressure spring is provided with a jacking block which is contacted with the bottom of the inner module; the transverse pressure spring and the vertical pressure spring provide everting elastic potential energy for the two inner modules. The interaction of the transverse pressure spring and the vertical pressure spring provides larger elastic potential energy, and avoids discharging blocking. The transverse compression springs are pulled to two sides, the vertical compression springs are pushed upwards, and the elastic requirement on each compression spring is low.
Description
Technical Field
The invention relates to the field of dies, in particular to an outward turning and bending die for a strip-shaped piece.
Background
The bending die of the strip workpiece is longer, and the die can be outwards turned after stamping and bending, so that the bent finished product is stripped. However, the longer the dimension of the long workpiece is, the more uncontrollable factors such as integral deformation and the like are, and sometimes the phenomenon of unsmooth stripping of the long workpiece can occur.
Disclosure of Invention
The invention aims to solve the problem of providing an outward turning and bending die for a strip-shaped piece, wherein a transverse pressure spring and a vertical pressure spring interact to provide larger elastic potential energy and avoid discharge blocking. The transverse compression springs are pulled to two sides, the vertical compression springs are pushed upwards, and the elastic requirement on each compression spring is low.
In order to solve the above problems, the present invention provides an out-turned bending mold for strip-shaped pieces, and in order to achieve the above objects, the technical solution adopted by the present invention is as follows:
An out-turned bending die for a strip, comprising: the module comprises an outer module and an inner module, wherein the top of the outer module comprises a pair of inclined plates which are arranged in a mirror image manner, 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 penetrating through the inclined plate, and the guide post is sleeved with a transverse pressure spring; the vertical pressure spring is arranged in the outer module and below the inner module, and the top of the vertical pressure spring is provided with a jacking block which is contacted with the bottom of the inner module; the transverse pressure spring and the vertical pressure spring provide everting elastic potential energy for the two inner modules.
The beneficial effects of adopting above-mentioned technical scheme are: the outer module plays the effect of whole base, and the shaping part of inside is regarded as to the interior module of two L shapes, and when the pushing equipment extrusion bar work piece of top, the interior module of two L shapes also contracts because of the pushing force is suitable simultaneously, realizes the shaping of bending to channel-section steel shape work piece.
When the material is removed after the material is bent into a finished product, the inner die is turned outwards by the elastic trend, and the linear groove shape with a wide opening and a narrow bottom is formed. The strip-shaped workpiece is removed, and the strip-shaped workpiece and the inner die are prevented from being blocked. The interaction of the transverse pressure spring and the vertical pressure spring provides larger elastic potential energy, and further avoids the phenomenon of discharging blocking. The transverse compression spring mainly pulls to two sides, and the vertical compression spring is jacked from the middle part upwards. Therefore, the requirements on the elasticity of each compression spring and each vertical compression spring are low, and the requirements on parts are low. The jacking block acts as an intermediate.
As a further improvement of the invention, each inner mould part comprises a side wall plate and a bottom plate which are fixed mutually perpendicular; when the bottom plate is in a horizontal state, the edges of the bottom plates of the two inner molds are in contact with each other.
The beneficial effects of adopting above-mentioned technical scheme are: the two inner modules are in contact in close proximity to each other when in the most retracted state. The two inner molds each have a degree of freedom of oscillation within a certain small angle range.
As a further improvement of the present 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 post, which is far away from the inner module, is provided with a radially extending baffle plate, and one end of the transverse pressure spring is contacted with the baffle plate.
The beneficial effects of adopting above-mentioned technical scheme are: the guide post movably passes through the inclined plate, and the shaft end of the guide post is provided with a baffle plate, so that the possibility that the pressure spring provides eversion elasticity for the inner die 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 module.
The beneficial effects of adopting above-mentioned technical scheme are: no matter how long the workpiece needs to be shaped, only the pressure springs are arranged at equal intervals.
As a further improvement of the invention, the centroid of the jacking block is positioned on the space symmetry plane of the two inner modules, and the outer modules are provided with linear grooves for accommodating the vertical pressure springs and the jacking blocks.
The beneficial effects of adopting above-mentioned technical scheme are: the jacking block can symmetrically act on the two inner modules at the same time. The linear groove provides limit for vertical lifting of the jacking block.
As a further development of the invention, the diameter of the vertical compression spring is greater than the diameter of the transverse compression spring.
The beneficial effects of adopting above-mentioned technical scheme are: 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 module.
The beneficial effects of adopting above-mentioned technical scheme are: further refine the overall arrangement of pressure spring, see from the length direction of bar instrument, the elasticity that each part of bar instrument received turns out the power more even.
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 respective generatrix of the first convex curved surface and the second convex curved surface is parallel to the length direction of the outer module.
The beneficial effects of adopting above-mentioned technical scheme are: the movement forms of the inner module and the jacking block are considered in the form of the first convex curved surface and the second convex curved surface, the inner module and the jacking block are in line contact no matter how the space states of the inner module and the jacking block are, and the jacking block cannot increase the resistance when the inner module is overturned.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings can be obtained according to these drawings without inventive effort to a person skilled in the art.
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 application diagram of an embodiment of the present invention.
1-An outer module; 2-an inner module; 3-a transverse compression spring; 4-a baffle; 5-a receiving groove; 6-oblique plates; 7-a base; 8-a linear groove; 9-a vertical compression spring; 10-jacking blocks; 11-side wall panels; 12-bottom plate; 13-a first convex curved surface; 14-a second convex curved surface; 15-strip-shaped workpieces.
Detailed Description
The following describes the present invention in further detail with reference to specific examples:
To achieve the object of the invention, an out-turned bending die for a strip, comprises: the module comprises an outer module 1 and an inner module 2, wherein the top of the outer module 1 comprises a pair of inclined plates 6 which are arranged in a mirror image manner, 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 pressure spring 3 and a vertical pressure spring 9; the inner module 2 is fixed with a guide post penetrating through the inclined plate 6, and the guide post is sleeved with a transverse pressure spring 3; the vertical pressure spring 9 is arranged in the outer module 1 and below the inner module 2, and the top of the vertical pressure spring 9 is provided with a jacking block 10 which is contacted with the bottom of the inner module 2; the transverse compression spring 3 and the vertical compression spring 9 provide everting elastic potential energy for the two inner molds 2.
A receiving groove 5 for receiving and shaping the strip-shaped workpiece 15 is formed between the two inner modules 2 arranged in mirror image. The outer module 1 is provided with a base 7 at a position other than the diagonal plate 6.
The beneficial effects of adopting above-mentioned technical scheme are: the outer module plays the effect of whole base, and the shaping part of inside is regarded as to the interior module of two L shapes, and when the pushing equipment extrusion bar work piece of top, the interior module of two L shapes also contracts because of the pushing force is suitable simultaneously, realizes the shaping of bending to channel-section steel shape work piece. When the material is removed after the material is bent into a finished product, the inner die is turned outwards by the elastic trend, and the linear groove shape with a wide opening and a narrow bottom is formed. The strip-shaped workpiece is removed, and the strip-shaped workpiece and the inner die are prevented from being blocked. The interaction of the transverse pressure spring and the vertical pressure spring provides larger elastic potential energy, and further avoids the phenomenon of discharging blocking. The transverse compression spring mainly pulls to two sides, and the vertical compression spring is jacked from the middle part upwards. Therefore, the requirements on the elasticity of each compression spring and each vertical compression spring are low, and the requirements on parts are low. The jacking block acts as an intermediate.
In other embodiments of the invention, each inner mould part 2 comprises side wall panels 11, bottom panels 12 fixed perpendicular to each other; when the bottom plate 12 is in a horizontal state, the edges of the respective bottom plates 12 of the two inner molds 2 are in contact with each other.
The beneficial effects of adopting above-mentioned technical scheme are: the two inner modules are in contact in close proximity to each other when in the most retracted state. The two inner molds each have a degree of freedom of oscillation within a certain small angle range.
In other embodiments of the invention, when the bottom plate 12 is in a horizontal state, a gap exists between the inner wall of the inclined plate 6 and the outer wall of the side wall plate 11; one end of the guide post, which is far away from the inner module 2, is provided with a radially extending baffle 4, and one end of the transverse pressure spring 3 is contacted with the baffle 4.
The beneficial effects of adopting above-mentioned technical scheme are: the guide post movably passes through the inclined plate, and the shaft end of the guide post is provided with a baffle plate, so that the possibility that the pressure spring provides eversion elasticity for the inner die is realized.
In other embodiments of the invention, the guide posts are fixed perpendicularly to the side wall plate 11, and several transverse compression springs 3 are arranged at equal intervals along the length of the outer module 1 itself.
The beneficial effects of adopting above-mentioned technical scheme are: no matter how long the workpiece needs to be shaped, only the pressure springs are arranged at equal intervals.
In other embodiments of the 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 slot 8 for accommodating the vertical compression spring 9 and the jacking block 10.
The beneficial effects of adopting above-mentioned technical scheme are: the jacking block can symmetrically act on the two inner modules at the same time. The linear groove provides limit for vertical lifting of the jacking block.
In other embodiments of the invention, the diameter of the vertical compression spring 9 is greater than the diameter of the horizontal compression spring 3.
The beneficial effects of adopting above-mentioned technical scheme are: 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 horizontal compression springs 3 are alternately arranged at intervals along the length direction of the outer module 1.
The beneficial effects of adopting above-mentioned technical scheme are: further refine the overall arrangement of pressure spring, see from the length direction of bar instrument, the elasticity that each part of bar instrument received turns out the power more even.
In other embodiments of the present invention, the bottom plate 12 has a first convex curved surface 13 on the lower surface, and the jacking block 10 has a second convex curved surface 14 on the upper surface, wherein the first convex curved surface 13 and the second convex curved surface 14 form a line contact, and the generatrix of each of the first convex curved surface 13 and the second convex curved surface 14 is parallel to the longitudinal direction of the outer mold block 1 itself.
The beneficial effects of adopting above-mentioned technical scheme are: the movement forms of the inner module and the jacking block are considered in the form of the first convex curved surface and the second convex curved surface, the inner module and the jacking block are in line contact no matter how the space states of the inner module and the jacking block are, and the jacking block cannot increase the resistance when the inner module is overturned.
FIG. 3 is a view of the strip-shaped workpiece 15 shown in FIG. 3 more than FIG. 1; fig. 2 is an eversion of the inner module of fig. 2, as compared to fig. 1.
The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and to implement the same, but are not intended 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 included in the scope of the present invention.
Claims (1)
1. An out-turned bending die for a strip, comprising:
The module comprises an outer module and an inner module, wherein the top of the outer module comprises a pair of inclined plates which are arranged in a mirror image manner, 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 die is fixedly provided with a guide post penetrating through the inclined plate, and the guide post is sleeved with a transverse pressure spring; the vertical pressure spring is arranged in the outer module and below the inner module, and the top of the vertical pressure spring is provided with a jacking block which is contacted with the bottom of the inner module; the transverse pressure spring and the vertical pressure spring provide everting elastic potential energy for the two inner molds;
Each inner module comprises a side wall plate and a bottom plate which are mutually and vertically fixed; when the bottom plate is in a horizontal state, the edges of the bottom plates of the two inner molds are contacted with each other;
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 respective generatrix of the first convex curved surface and the second convex curved surface is parallel to the length direction of the outer die block;
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 post, which is far away from the inner module, is provided with a radially extending baffle plate, and one end of the transverse pressure spring is contacted with the baffle plate;
the guide posts are vertically fixed with the side wall plates, and a plurality of transverse pressure springs are arranged at equal intervals along the length direction of the outer module;
the centroid of the jacking block is positioned on the space symmetry plane of the two inner modules, and the outer modules are provided with linear grooves for accommodating vertical pressure springs and the jacking block;
The diameter of the vertical compression spring is larger than that of the transverse compression spring;
along the length direction of the outer module, the vertical compression springs and the transverse compression springs are alternately arranged at intervals.
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 CN114147127A (en) | 2022-03-08 |
| CN114147127B true 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 |
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| CN (1) | CN114147127B (en) |
Families Citing this family (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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| 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 |
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| JP2015016498A (en) * | 2013-07-12 | 2015-01-29 | 株式会社アマダ | Lower die device |
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| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10207304B2 (en) * | 2014-03-31 | 2019-02-19 | Tokyo Seimitsu Hatsujo Co., Ltd. | Bending device for metallic plate |
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2021
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| 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 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN114147127A (en) | 2022-03-08 |
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