CN211386580U - Negative angle shaping mould structure of bending - Google Patents
Negative angle shaping mould structure of bending Download PDFInfo
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- CN211386580U CN211386580U CN201921311343.4U CN201921311343U CN211386580U CN 211386580 U CN211386580 U CN 211386580U CN 201921311343 U CN201921311343 U CN 201921311343U CN 211386580 U CN211386580 U CN 211386580U
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- bending
- fixing plate
- negative angle
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- 238000005452 bending Methods 0.000 title claims abstract description 62
- 238000007493 shaping process Methods 0.000 title claims abstract description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 11
- 239000000047 product Substances 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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Abstract
The utility model provides a negative angle bending and shaping die structure, which comprises an upper die assembly and a lower die assembly and is characterized in that the upper die assembly comprises an upper die base, an upper padding plate, an upper fixing plate, a nitrogen spring, a bending punch and a rotating shaft, wherein the upper die base, the upper padding plate and the upper fixing plate are fixed from top to bottom in sequence to form an upper half section which can move in time along with a press; the nitrogen spring is arranged in the upper die base, the bending punch is arranged in the upper base plate and the upper fixing plate, and the rotating shaft is arranged in the upper fixing plate and arranged on the bending punch; lower mould subassembly is located last mould subassembly under, and lower mould subassembly from the top down includes: the lower die plate, the lower fixing plate, the lower backing plate and the lower die base are fixedly arranged; the lower die plate is internally provided with a bending female die corresponding to the bending punch, and the two sides of the bending female die are internally provided with wedge fixing blocks and wedge fixing blocks in the lower fixing plate. The utility model discloses stable realization the finished piece plastic of bending downwards, and can finely tune, and mould simple structure, low cost.
Description
Technical Field
The utility model mainly relates to a stamping die field especially relates to a negative angle plastic mould structure of bending.
Background
In the stamping processing trade, have negative angle five metals stamping workpiece, utilize traditional shaping mode to the difficult management and control of size of product, transfer the mould at every turn and all can consume a large amount of manpower and material resources, increase the time of transferring the mould simultaneously, increase the mould cost, cause the production efficiency of part low, the part size is unstable, mass production in the unable short time, to this condition, urgent need one kind can guarantee the product precision promptly, has the mould structure that can improve production efficiency.
Published chinese utility model patent, application No. CN201620820818.2, patent name: product negative angle mould of bending, application date: 2016-08-01, the utility model relates to a product negative angle bending die, which comprises an upper die set and a lower die set, wherein the upper die set comprises an upper die base, an upper padding plate, an upper splint, a stripping padding plate and a stripping plate, the lower die set comprises a lower template, a lower padding plate and a lower die base, a bending punch is arranged on the upper splint, the bending punch downwards passes through the stripping padding plate and the stripping plate, a stripping insert is arranged in the stripping plate, a lower die insert is arranged in the lower template, the lower end part of the bending punch is provided with a bending opening, the bending opening is provided with a bending vertical surface for bending a product, the lower surface of the stripping insert is parallel to the upper surface of the lower die insert, and the lower surface of the stripper insert and the upper surface of the lower die insert are inclined planes, a product is placed on the lower die insert, the lower surface of the stripper insert and the upper surface of the lower die insert clamp the product, and after the bending punch presses down, the product is bent at a negative angle. The utility model discloses can carry out a negative angle to the product and bend and target in place, the compensation resilience of bending guarantees the qualification of product, reduces and repaiies mould frequency and manufacturing cost.
SUMMERY OF THE UTILITY MODEL
The utility model provides a negative angle bending and shaping die structure, aiming at the defects in the prior art, the negative angle bending and shaping die structure comprises an upper die assembly and a lower die assembly, and is characterized in that the upper die assembly comprises an upper die base 1, an upper padding plate 2, an upper fixing plate 3, a nitrogen spring 8, a bending punch 9 and a rotating shaft 10, and the upper die base 1, the upper padding plate 2 and the upper fixing plate 3 are fixed in sequence from top to bottom to form an upper half section which can move in time along with a press;
the nitrogen spring 8 is arranged in the upper die holder 1, the bending punch 9 is arranged in the upper base plate 2 and the upper fixing plate 3, and the rotating shaft is arranged in the upper fixing plate 3 and is arranged on the bending punch 9;
the lower mould subassembly is located the mould subassembly under, lower mould subassembly from the top down includes: the lower die plate, the lower fixing plate, the lower backing plate and the lower die base are fixedly mounted;
and a bending female die corresponding to the bending punch 9 is arranged in the lower template, and wedge fixing blocks 12 are arranged on two sides of the bending female die in the lower fixing plate.
Preferably, the bottom of the wedge fixing block 12 is locked and fixed with the lower backing plate through screws.
Preferably, a guide post 14 is installed on one side of the upper fixing plate 3 close to the lower mold plate, and a guide post hole 15 is formed on one side of the lower mold plate close to the upper fixing plate 3 corresponding to the guide post 14.
Preferably, a pair of bending punches 9 is oppositely arranged and respectively arranged at two sides of the bending female die.
Preferably, the bottom of the bending female die is fixedly connected with the lower template through a screw.
Preferably, the upper die holder 1, the upper backing plate 2 and the upper fixing plate 3 are fixed through screws.
Preferably, the lower die plate, the lower fixing plate, the lower backing plate and the lower die base are fixed through screws.
The utility model has the advantages that: the stable finished piece that has realized is bent the plastic downwards, and can finely tune, and mould simple structure, low cost.
Drawings
FIG. 1 is a structural diagram of the mold closed state of the present invention;
FIG. 2 is a structural diagram of the mold opening state of the present invention;
in the figure, the position of the upper end of the main shaft,
1. an upper die holder; 2. an upper base plate; 3. an upper fixing plate; 4. a lower template; 5. a lower fixing plate; 6. a lower base plate; 7. a lower die holder; 8. a nitrogen spring; 9. bending the punch; 10. a rotating shaft; 11. bending the female die; 12. a wedge fixing block; 13. manufacturing a workpiece; 14. a guide post; 15. and (4) a guide pillar hole.
Detailed Description
As shown in fig. 1-2, the present invention comprises: the device comprises an upper die assembly and a lower die assembly, and is characterized in that the upper die assembly comprises an upper die base 1, an upper backing plate 2, an upper fixing plate 3, a nitrogen spring 8, a bending punch 9 and a rotating shaft 10, wherein the upper die base 1, the upper backing plate 2 and the upper fixing plate 3 are fixed in sequence from top to bottom to form an upper half section capable of moving in time along with a press;
the nitrogen spring 8 is arranged in the upper die holder 1, the bending punch 9 is arranged in the upper base plate 2 and the upper fixing plate 3, and the rotating shaft 10 is arranged in the upper fixing plate 3 and is arranged on the bending punch 9;
the lower mould subassembly is located the mould subassembly under, lower mould subassembly from the top down includes: the lower die plate, the lower fixing plate, the lower backing plate and the lower die base are fixedly mounted;
and a bending female die corresponding to the bending punch 9 is arranged in the lower template, and wedge fixing blocks 12 are arranged on two sides of the bending female die in the lower fixing plate.
When the bending die is used, a workpiece 13 (a semi-finished product is placed on a bending female die, a punch works, an upper die holder 1, an upper padding plate 2, an upper fixing plate 3 and a bending punch 9 start to descend, the bending punch 9 is firstly contacted with the inclined surface of a wedge fixing block 12 in the process of descending continuously, the bending punch 9 descends continuously, the wedge fixing block 12 adjusts the punch to press the workpiece 13, a nitrogen spring 8 compresses upwards, the die descends continuously until the die is closed, and the workpiece 13 is bent and formed.
After the punching operation is completed, the punch press sliding block starts to move upwards, the upper die holder 1, the upper padding plate 2 and the upper fixing plate 3 also start to move upwards, at the moment, the wedge fixing block 12 adjusts the bending punch 9 to rotate outwards by the rotating shaft for about 3 degrees), the nitrogen spring 8 is reset in a stroke, the bending punch 9 avoids the negative angle of the workpiece 13, the die is opened, and the workpiece 13 is taken out.
In this embodiment, the bottom of the wedge fixing block 12 is preferably locked and fixed with the lower pad through screws.
Set up above-mentioned structure, fix slide wedge fixed block 12 and lower bolster through the screw, prevent that it from rocking, play the effect of stability.
In this embodiment, preferably, the guide posts 14 are installed on one side of the upper fixing plate 3 close to the lower fixing plate, and the guide post holes 15 are formed on one side of the lower fixing plate close to the upper fixing plate 3 corresponding to the guide posts 14.
With the structure, the lower die assembly is positioned right below the upper die assembly, and the guide pillar 14 is arranged to play a role in positioning.
In this embodiment, it is preferable that a pair of bending punches 9 are provided to face each other and are provided on both sides of the bending die.
Set up above-mentioned structure, set up according to the actual conditions of product, guarantee the effect of bending of finished piece 13, improve work efficiency.
In this embodiment, preferably, the bottom of the bending female die is fixedly connected with the lower die plate through a screw.
Set up above-mentioned structure, will bend the die through the screw and fix, prevent that it from rocking, play the effect of stability.
In this embodiment, the upper die holder 1, the upper pad 2, and the upper fixing plate 3 are preferably fixed to each other by screws.
In this embodiment, preferably, the lower die plate, the lower fixing plate, the lower backing plate and the lower die base are fixed by screws.
By means of the structure, the stability of the upper die assembly and the stability of the lower die assembly are guaranteed through the use of the bolts, and the working efficiency is improved.
The above-described embodiments are merely illustrative of the principles and utilities of the present patent application and are not intended to limit the present patent application. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of this patent application. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical concepts disclosed in the present application shall be covered by the claims of this patent application.
Claims (7)
1. The negative-angle bending and shaping die structure is characterized by comprising an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die base (1), an upper base plate (2), an upper fixing plate (3), a nitrogen spring (8), a bending punch (9) and a rotating shaft (10), and the upper die base (1), the upper base plate (2) and the upper fixing plate (3) are sequentially fixed from top to bottom to form an upper half section capable of moving in time along with a press;
the nitrogen spring (8) is arranged in the upper die holder (1), the bending punch (9) is arranged in the upper base plate (2) and the upper fixing plate (3), and the rotating shaft (10) is arranged in the upper fixing plate (3) and arranged on the bending punch (9);
the lower mould subassembly is located the mould subassembly under, lower mould subassembly from the top down includes: the lower die plate (4), the lower fixing plate (5), the lower cushion plate (6) and the lower die seat (7) are fixedly mounted among the lower die plate (4), the lower fixing plate (5), the lower cushion plate (6) and the lower die seat (7);
the lower die plate (4) is internally provided with a bending female die (11) corresponding to the bending punch (9), and wedge fixing blocks (12) are arranged on two sides of the bending female die (11) in the lower fixing plate (5).
2. The negative angle bend reshaping mold structure of claim 1, wherein: the bottom of the wedge fixing block (12) is locked and fixed with the lower backing plate (6) through screws.
3. The negative angle bend reshaping die structure of claim 2, wherein: and a guide post (14) is arranged on one side of the upper fixing plate (3) close to the lower template (4), and a guide post hole (15) is arranged on one side of the lower template (4) close to the upper fixing plate (3) corresponding to the guide post (14).
4. The negative angle bend reshaping mold structure of claim 3, wherein: the bending punch heads (9) are oppositely arranged and are respectively arranged on two sides of the bending female die (11).
5. The negative angle bend reshaping mold structure of claim 4, wherein: the bottom of the bending female die (11) is fixedly connected with the lower template (4) through screws.
6. The negative angle bend reshaping mold structure of claim 5, wherein: the upper die holder (1), the upper backing plate (2) and the upper fixing plate (3) are fixed through screws.
7. The negative angle bend reshaping mold structure of claim 6, wherein: the lower die plate (4), the lower fixing plate (5), the lower backing plate (6) and the lower die seat (7) are fixed through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921311343.4U CN211386580U (en) | 2019-08-13 | 2019-08-13 | Negative angle shaping mould structure of bending |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921311343.4U CN211386580U (en) | 2019-08-13 | 2019-08-13 | Negative angle shaping mould structure of bending |
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| Publication Number | Publication Date |
|---|---|
| CN211386580U true CN211386580U (en) | 2020-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921311343.4U Active CN211386580U (en) | 2019-08-13 | 2019-08-13 | Negative angle shaping mould structure of bending |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113070393A (en) * | 2021-04-22 | 2021-07-06 | 中山市聪思蔓金属制品有限公司 | Pipe hoop forming die for fence |
-
2019
- 2019-08-13 CN CN201921311343.4U patent/CN211386580U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113070393A (en) * | 2021-04-22 | 2021-07-06 | 中山市聪思蔓金属制品有限公司 | Pipe hoop forming die for fence |
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