CN113680858A - Stamping die resilience quick adjusting device that bends - Google Patents
Stamping die resilience quick adjusting device that bends Download PDFInfo
- Publication number
- CN113680858A CN113680858A CN202110917566.0A CN202110917566A CN113680858A CN 113680858 A CN113680858 A CN 113680858A CN 202110917566 A CN202110917566 A CN 202110917566A CN 113680858 A CN113680858 A CN 113680858A
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- adjusting
- bending
- block
- adjusting block
- plate
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- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/04—Bending sheet metal along straight lines, e.g. to form simple curves on brakes making use of clamping means on one side of the work
- B21D5/042—With a rotational movement of the bending blade
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention discloses a device for quickly adjusting bending resilience of a stamping die, which comprises a lower table top assembly and an upper punch assembly, wherein the lower table top assembly comprises a lower template, a lower die adjusting block and an adjusting driving block, which are arranged on a lower table top, and the adjusting driving block is arranged beside the lower die adjusting block; the upper punch component comprises a pressure plate and a bending component, the pressure plate is mounted at the bottom of the upper drive, the pressure plate is connected to the bottom of the upper drive through a spring, the bending component comprises an adjusting fixing seat, a channel for the adjusting fixing seat to penetrate through is formed in the pressure plate, the bottom of the adjusting fixing seat is connected with a bending adjusting block matched with the adjusting driving block and the lower die adjusting block together, the side face of the bending adjusting block is a bending molded face, the top face of the bending adjusting block is hinged to the bottom of the adjusting fixing seat through a rotating shaft, and the bending adjusting block is used for jacking the bending adjusting block from the bottom through the adjusting driving block to drive the bending adjusting block to rotate so as to extrude a product.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a stamping die.
Background
Because the automatically controlled of new energy automobile, the copper bar that drives electrically adopts the punching press to add the structure of moulding plastics (package) with moulding plastics, and the precision plays an important role to whole assembly quality, and its required precision is great higher than general car punching press part, and wherein the angle of bending of copper bar is extremely difficult to control. The accuracy of the stamped part is directly determined by the magnitude of the springback of the stamped material. However, the material itself, the die machining accuracy, the punch press state, and other reasons all affect how much the bending resilience amount is. Therefore, the resilience value of the bending angle can be adjusted by the die according to the measured value through pressure test, and a more accurate numerical value can be obtained.
The common method for adjusting the size precision of the stamping part is to change the size of parts in a stamping die, and the thickness tolerance of the die part and the stamping material, the resilience generated by stress release in the bending process of the stamping part and other factors are matched through the forms of welding, grinding discharge, machining and the like. Such disadvantages are the need to change the size of the relevant stamping parts inside the die when replacing the stamping material, which is time consuming and increases the production cost. Therefore, the traditional stamping die structure cannot meet the requirements, and the stamping die structure has higher requirements.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a rapid bending springback adjusting device for a stamping die, which solves the problem that the springback quantity of the existing stamping part cannot be accurately controlled, and enables the stamping springback quantity to be more effectively and accurately controlled.
The purpose of the invention is realized as follows: a stamping die bending resilience rapid adjusting device comprises a lower table component and an upper punch component;
the lower table surface assembly comprises a lower template, a lower die adjusting block and an adjusting driving block, the lower template is mounted on the lower table surface, the side surface of the lower die adjusting block is a bent profile, the bent profile is an inclined surface which gradually shrinks inwards from top to bottom, and the adjusting driving block is arranged beside the lower die adjusting block;
the upper punch component comprises a pressure plate and a bending component, the pressure plate is arranged at the bottom of an upper drive, the pressure plate is connected to the bottom of the upper drive through a spring, the bending component comprises an adjusting fixing seat, a channel for the adjusting fixing seat to penetrate through is formed in the pressure plate, the bottom of the adjusting fixing seat is connected with a bending adjusting block matched with an adjusting driving block and a lower die adjusting block together, the side face of the bending adjusting block is a bending molded face, the top face of the bending adjusting block is hinged to the bottom of the adjusting fixing seat through a rotating shaft, and the bending adjusting block drives the bending adjusting block to rotate to extrude a product through the adjusting driving block and the bottom jacking and bending adjusting block.
When the stamping part pressing device works, a stamped part which is bent is placed on the top surfaces of the lower template and the lower die adjusting block, the upper driving and the lower driving are controlled to be pressed downwards, the material pressing plate is driven to press the stamped part on the lower template and the lower die adjusting block, meanwhile, the upper driving is continuously lowered, the bending adjusting block is driven to continuously descend through the adjusting fixing seat, when the bending adjusting block is in contact with the adjusting driving block, the bending adjusting block is driven to rotate, so that the bent molded surface of the bending adjusting block extrudes the stamped part, and the secondary processing and shaping of the stamped part are completed.
Compared with the prior art, the invention has the beneficial effects that:
by using the bending die, the problem of part springback after bending can be effectively solved, the yield of the bent parts is greatly improved, and the production efficiency is improved.
As a further limitation of the present invention, the bottom of the adjusting fixing seat is connected with a return spring, and the other end of the return spring abuts against the bending adjusting block. In the actual operation in-process, in order to prevent that the adjusting block of bending after the plastic is accomplished can not in time reset to influence next operation, the adjusting block of bending breaks away from very first time through the reset spring of so design, guarantees next effect reliable operation.
As a further limitation of the present invention, the bottom of the adjusting fixing seat is provided with a blind hole for placing the return spring. The design of blind hole makes reset spring have accommodation space, and is more convenient during the assembly, only needs to put into reset spring earlier, installs the adjusting block of bending again can.
As a further limitation of the invention, the connecting position of the rotating shaft and the top surface of the bending adjusting block is positioned on one side of the center line of the top surface far away from the bending profile. Through such lever design can better extrusion punching press part when guaranteeing to bend the adjusting block and adjusting the drive block contact to reach better effect.
As a further limitation of the invention, a top plate is processed on the top of the adjusting driving block, the top surface of the top plate is processed into an arc-shaped surface, an arc-shaped groove matched with the top plate is processed on the bottom surface of the bending adjusting block, and the arc-shaped groove is positioned on one side of the center line of the bottom surface close to the bending molded surface. The design of roof at first makes to form punching press part accommodation space between roof and the lower mould adjusting block, plays certain limiting displacement, and secondly, the arcwall of the arcwall face cooperation bending adjusting block bottom of roof can guarantee to have more stable pressure source for the extrusion force between adjustment drive block and the adjusting block of bending is not dispersed.
As a further limitation of the present invention, the top plate is machined on a side of the adjustment drive block adjacent to the lower die adjustment block. The design can be further matched with a lever-like design structure of the rotating shaft to ensure the shaping effect.
As a further limitation of the invention, the lower template and the lower die adjusting block are arranged on a lower base plate, the lower base plate is arranged on a lower clamping plate, the lower clamping plate is arranged on a lower table top, and the adjusting driving block is arranged on the lower clamping plate.
As a further limitation of the invention, a first through hole is formed in the lower bolster, a second through hole is formed in the lower bolster, a jacking spring is arranged in the first through hole, a mandril is arranged in the second through hole, the bottom of the jacking spring is abutted against the lower clamping plate, and the top of the jacking spring is connected with the mandril. The design of the jacking spring enables the upper punch component to be jacked up when rising, and the stamped part is convenient to take out.
As a further limitation of the invention, the aperture of the first through hole is larger than that of the second through hole, the bottom of the ejector rod is provided with a rod cap, and the rod cap is abutted against the bottom of the lower template. The design ensures the stable and reliable operation of the ejector rod.
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, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a schematic view of the structure of the present invention.
FIG. 2 is a diagram showing the state of the material pressing plate in place during the operation of the present invention.
FIG. 3 is a diagram showing the state of the bending adjustment block starting to contact the adjustment driving block when the present invention is in operation.
Fig. 4 is a diagram of the fully closed state of the present invention in operation.
FIG. 5 is a diagram illustrating the adjustment state of the adjustment driving block during the operation of the present invention.
The device comprises a lower table board 1, a lower clamping plate 2, a lower backing plate 3, a driving block 4 for adjustment, a top plate 4a, a lower die plate 5, a lower die adjusting block 6, a jacking spring 7, an ejector rod 8, an upper clamping plate 9, a pressure plate 10, a buffer spring 11, an adjusting fixing seat 12, a bending adjusting block 13, an arc-shaped groove 13a, a reset spring 14, a rotating shaft 15 and an upper driving block 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The device for quickly adjusting the bending resilience of the stamping die as shown in fig. 1 comprises a lower table board 1 component and an upper punch component;
the lower table top 1 assembly comprises a lower clamping plate 2 arranged on the lower table top 1, and a lower base plate 3 and an adjusting driving block 4 are arranged on the lower clamping plate 2; the lower die plate 3 is provided with a lower die plate 5 and a lower die adjusting block 6, a first through hole is formed in the lower die plate 3, a second through hole is formed in the lower die plate 5, a jacking spring 7 is arranged in the first through hole, an ejector rod 8 is arranged in the second through hole, the bottom of the jacking spring 7 abuts against the lower die plate 2, the top of the jacking spring 7 is connected with the ejector rod 8, the aperture of the first through hole is larger than that of the second through hole, the bottom of the ejector rod 8 is provided with a rod cap, and the rod cap abuts against the bottom of the lower die plate 5; the side surface of the lower die adjusting block 6 is a bending profile, the bending profile is an inclined surface which gradually shrinks inwards from top to bottom, the adjusting driving block 4 is arranged beside the lower die adjusting block 6, an accommodating space is formed between the adjusting driving block 4 and the lower die adjusting block 6, a top plate 4a is processed at the top of the adjusting driving block 4, and the top surface of the top plate 4a is processed into an arc-shaped surface;
the upper punch component comprises an upper clamping plate 9 and a bending component which are arranged at the bottom of an upper drive 16; the bottom of the upper clamping plate 9 is connected with a material pressing plate 10, and the material pressing plate 10 is connected with the bottom of the upper clamping plate 9 through a buffer spring 11; the bending component comprises an adjusting fixed seat 12, a channel for the adjusting fixed seat 12 to penetrate is arranged on a pressure plate 10, the bottom of the adjusting fixed seat 12 is connected with a bending adjusting block 13 which is matched with an adjusting driving block 4 and a lower die adjusting block 6 together, a blind hole is arranged at the bottom of the adjusting fixed seat 12, a reset spring 14 is arranged in the blind hole, the lower end of the reset spring 14 is abutted against the top surface of the bending adjusting block 13, a gap is reserved between the top surface and the bottom surface of the adjusting fixed seat 12, the corner at the other side of the top surface of the bending adjusting block 13 plays a role in limiting, the connecting position of a rotating shaft 15 and the top surface of the bending adjusting block 13 is positioned at one side of the top surface central line far away from the bending profile, an arc-shaped groove 13a matched with a top plate 4a is processed at the bottom surface of the bottom surface central line close to one side of the bending profile, the top plate 4a is processed at one side of the adjusting driving block 4 close to the lower die adjusting block 6, the side of the bending adjusting block 13 is a bending profile, the top surface of the bending adjusting block 13 is hinged to the bottom of the adjusting fixing seat 12 through a rotating shaft 15, and the bending adjusting block 13 presses the bending adjusting block 13 from the bottom through the adjusting driving block 4 to drive the bending adjusting block 13 to rotate so as to extrude a product.
When the device works, an L-shaped stamping part 17 to be shaped is placed on the lower die plate 5 and the lower die adjusting block 6, the upper driver 16 is controlled to descend until the material pressing plate 10 presses and fixes the L-shaped stamping part 17 on the lower die plate 5, and meanwhile, the L-shaped stamping part 17 is lifted and compressed, as shown in figure 1; the upper driver 16 continues to descend, the buffer spring 11 is compressed, and the adjusting fixing seat 12 continues to descend until the bending adjusting block 13 contacts the adjusting driving block 4, so that the top of the top plate 4a of the adjusting driving block 4 is abutted to the arc-shaped groove 13a, as shown in fig. 2; the upper drive 16 continues to descend, the top plate 4a presses the bending adjusting block 13, the bending profile of the bending adjusting block 13 extrudes the L-shaped stamping part 17 from the side surface under the action of the rotating shaft 15, as shown in fig. 3, the upper drive 16 continues to descend, and continues to extrude for fine adjustment, as shown in fig. 4, the shaping of the L-shaped stamping part 17 is completed, after the stamping is completed, the upper drive 16 ascends, the bending adjusting block 13 is reset under the action of the reset spring 14, meanwhile, the ejector rod 8 jacks up the L-shaped stamping part 17, the L-shaped stamping part 17 is taken down, and then another part 17 is put on; if the angle of the part 17 is out of tolerance, only the adjusting driving block 4 needs to be detached, and a gasket with corresponding thickness is added or reduced at the bottom of the adjusting driving block 4.
The above description of the embodiments is only intended to facilitate the understanding of the method of the invention and its core idea. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (9)
1. The utility model provides a stamping die resilience quick adjustment device that bends, includes mesa (1) subassembly and upper punch subassembly down, its characterized in that:
the lower table board (1) assembly comprises a lower template (5), a lower die adjusting block (6) and an adjusting driving block (4), the lower template, the lower die adjusting block and the adjusting driving block are mounted on the lower table board (1), the side face of the lower die adjusting block (6) is a bending profile, the bending profile is an inclined plane which gradually shrinks inwards from top to bottom, and the adjusting driving block (4) is arranged beside the lower die adjusting block (6);
the upper punch component comprises a pressure plate (10) and a bending component, wherein the pressure plate (10) is installed at the bottom of an upper drive (16), the pressure plate (10) is connected to the bottom of the upper drive (16) through a buffer spring (11), the bending component comprises an adjusting fixing seat (12), a channel for the adjusting fixing seat (12) to penetrate through is formed in the pressure plate (10), the bottom of the adjusting fixing seat (12) is connected with a bending adjusting block (13) matched with an adjusting drive block (4) and a lower die adjusting block (6) together, the side face of the bending adjusting block (13) is a bending profile, the top face of the bending adjusting block (13) is hinged to the bottom of the adjusting fixing seat (12) through a rotating shaft (15), and the bending adjusting block (13) drives the bending adjusting block (13) to rotate to extrude a product through the adjusting drive block (4) and the bending adjusting block (13) is pressed from the bottom.
2. The rapid adjusting device for the bending resilience of the stamping die according to claim 1, which is characterized in that: the bottom of the adjusting fixing seat (12) is connected with a return spring (14), and the other end of the return spring (14) abuts against the bending adjusting block (13).
3. The rapid adjusting device for the bending resilience of the stamping die according to claim 2, which is characterized in that: the bottom of the adjusting fixed seat (12) is provided with a blind hole for placing a return spring (14).
4. The stamping die bending resilience rapid adjustment device according to any one of claims 1 to 3, wherein: the connecting position of the rotating shaft (15) and the top surface of the bending adjusting block (13) is positioned on one side of the center line of the top surface, which is far away from the bending molded surface.
5. The stamping die bending resilience rapid adjustment device according to any one of claims 1 to 3, wherein: the top of the adjusting driving block (4) is processed with a top plate (4a), the top surface of the top plate (4a) is processed into an arc-shaped surface, the bottom surface of the bending adjusting block (13) is processed with an arc-shaped groove (13a) matched with the top plate (4a), and the arc-shaped groove (13a) is located on one side, close to the bending molded surface, of the center line of the bottom surface.
6. The rapid adjusting device for bending resilience of the stamping die as claimed in claim 4, wherein: the top plate (4a) is processed on one side of the adjusting driving block (4) close to the lower die adjusting block (6).
7. The stamping die bending resilience rapid adjustment device according to any one of claims 1 to 3, wherein: the lower die plate (5) and the lower die adjusting block (6) are installed on the lower base plate (3), the lower base plate (3) is installed on the lower clamping plate (2), the lower clamping plate (2) is installed on the lower table top (1), and the adjusting driving block (4) is installed on the lower clamping plate (2).
8. The rapid adjusting device for bending resilience of the stamping die as claimed in claim 6, wherein: set up first through-hole in lower bolster (3), set up the second through-hole in lower bolster (5), be equipped with jacking spring (7) in the first through-hole, be equipped with ejector pin (8) in the second through-hole, the bottom of jacking spring (7) is contradicted on lower plate (2), ejector pin (8) are connected at the top of jacking spring (7).
9. The rapid adjusting device for bending springback of the stamping die as claimed in claim 7, wherein: the aperture of the first through hole is larger than that of the second through hole, a rod cap is arranged at the bottom of the ejector rod (8), and the rod cap abuts against the bottom of the lower template (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110917566.0A CN113680858A (en) | 2021-08-11 | 2021-08-11 | Stamping die resilience quick adjusting device that bends |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110917566.0A CN113680858A (en) | 2021-08-11 | 2021-08-11 | Stamping die resilience quick adjusting device that bends |
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| Publication Number | Publication Date |
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| CN113680858A true CN113680858A (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110917566.0A Pending CN113680858A (en) | 2021-08-11 | 2021-08-11 | Stamping die resilience quick adjusting device that bends |
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| CN (1) | CN113680858A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114260343A (en) * | 2022-03-03 | 2022-04-01 | 江苏华之沃电气智能科技有限公司 | High-low voltage power distribution cabinet connection copper bar multistation bender |
| CN114273471A (en) * | 2021-12-02 | 2022-04-05 | 滁州市艾德模具设备有限公司 | Rotary protection bending die structure |
| CN115106445A (en) * | 2022-08-29 | 2022-09-27 | 苏州春秋电子科技股份有限公司 | Cold stamping forming die for gradual change C-angle shell |
| CN115283491A (en) * | 2022-08-16 | 2022-11-04 | 苏州浪潮智能科技有限公司 | Bending and self-swinging forming mechanism for machine case structural part |
| CN117047489A (en) * | 2023-10-12 | 2023-11-14 | 宏淳辊轴科技启东有限公司 | A metal door and window raw material stamping equipment with a blanking structure |
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| US20100251797A1 (en) * | 2007-06-20 | 2010-10-07 | Trumpf Maschinen Austria Gmbh & Co. Kg. | Bending machine |
| CN207709669U (en) * | 2017-12-25 | 2018-08-10 | 深圳市瑞鹏飞模具有限公司 | A kind of automobile precision pressing and bending adjustable structure mold |
| CN207823732U (en) * | 2018-01-09 | 2018-09-07 | 东莞市汇力模具有限公司 | The punch forming structure of right-angle bending |
| CN209035299U (en) * | 2018-11-06 | 2019-06-28 | 青岛宇森精密工业有限公司 | A kind of stamping die negative angle bending structure |
| CN210172346U (en) * | 2019-04-27 | 2020-03-24 | 深圳市华科精密组件有限公司 | Adjustable bending forming structure |
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2021
- 2021-08-11 CN CN202110917566.0A patent/CN113680858A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100251797A1 (en) * | 2007-06-20 | 2010-10-07 | Trumpf Maschinen Austria Gmbh & Co. Kg. | Bending machine |
| CN207709669U (en) * | 2017-12-25 | 2018-08-10 | 深圳市瑞鹏飞模具有限公司 | A kind of automobile precision pressing and bending adjustable structure mold |
| CN207823732U (en) * | 2018-01-09 | 2018-09-07 | 东莞市汇力模具有限公司 | The punch forming structure of right-angle bending |
| CN209035299U (en) * | 2018-11-06 | 2019-06-28 | 青岛宇森精密工业有限公司 | A kind of stamping die negative angle bending structure |
| CN210172346U (en) * | 2019-04-27 | 2020-03-24 | 深圳市华科精密组件有限公司 | Adjustable bending forming structure |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273471A (en) * | 2021-12-02 | 2022-04-05 | 滁州市艾德模具设备有限公司 | Rotary protection bending die structure |
| CN114260343A (en) * | 2022-03-03 | 2022-04-01 | 江苏华之沃电气智能科技有限公司 | High-low voltage power distribution cabinet connection copper bar multistation bender |
| CN114260343B (en) * | 2022-03-03 | 2022-05-06 | 江苏华之沃电气智能科技有限公司 | High-low voltage power distribution cabinet connection copper bar multistation bender |
| CN115283491A (en) * | 2022-08-16 | 2022-11-04 | 苏州浪潮智能科技有限公司 | Bending and self-swinging forming mechanism for machine case structural part |
| CN115106445A (en) * | 2022-08-29 | 2022-09-27 | 苏州春秋电子科技股份有限公司 | Cold stamping forming die for gradual change C-angle shell |
| CN115106445B (en) * | 2022-08-29 | 2022-11-29 | 苏州春秋电子科技股份有限公司 | Cold stamping forming die for gradually-changed C-angle shell |
| CN117047489A (en) * | 2023-10-12 | 2023-11-14 | 宏淳辊轴科技启东有限公司 | A metal door and window raw material stamping equipment with a blanking structure |
| CN117047489B (en) * | 2023-10-12 | 2023-12-19 | 宏淳辊轴科技启东有限公司 | Metal door and window raw material stamping equipment with unloading structure |
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Application publication date: 20211123 |