CN222288512U - A die for continuous upward punching in the production of heat shields - Google Patents
A die for continuous upward punching in the production of heat shields Download PDFInfo
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- CN222288512U CN222288512U CN202420588215.9U CN202420588215U CN222288512U CN 222288512 U CN222288512 U CN 222288512U CN 202420588215 U CN202420588215 U CN 202420588215U CN 222288512 U CN222288512 U CN 222288512U
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Abstract
The utility model discloses a continuous upward punching die used in the production of a heat shield, which comprises an upper die structure and a lower die structure, and is characterized in that the upper die structure comprises an upper clamping plate and an upper base plate, wherein a gas blowing hole is arranged in the upper base plate and is communicated with a gas blowing pipe, the gas blowing pipe is connected with a high-pressure gas source, a steel hole is arranged in a containing cavity of the upper clamping plate, a forming hole and a discharging hole are arranged on the steel hole, the discharging hole is communicated with the gas blowing hole, the lower die structure comprises a lower clamping plate and a lower base plate, a stripping plate and a stripping plate are sequentially arranged above the lower clamping plate, punches are arranged in the mounting holes of the lower clamping plate, the stripping plate and the stripping plate, the punches are matched with the discharging hole in position and correspond to each other, the die structure is simple and easy to process, the requirements of different fracture surfaces and burr surfaces of products can be finished in a continuous die at one time, the product quality is improved, the processing precision is ensured, the cost is low, and the production efficiency is high.
Description
Technical Field
The utility model relates to the technical field of cold stamping dies, in particular to a continuous upward punching die for heat shield production.
Background
The stamping die is a common metal processing technology device, a metal plate is placed in a female die of the die, the metal plate is subjected to plastic deformation by impact force of a male die, so that the required shape and size are achieved, the stamping die is classified into various punching dies such as a stretching die, a forming die and a punching die according to purposes, and the processing performance requirement of the die is improved along with the improvement of the installation and use performance of the engine heat shield.
At present, the conventional continuous stamping die for the engine heat shield is used for vertically and downwards stamping, the burr surface is arranged below, the gravity effect of the waste beans which are stamped downwards falls, the stamping die has two unchangeable factors, ① multiple times of multi-hole stamping is lower in precision than one time of multi-hole stamping, ② the same direction of the stamping fracture surface and the burr surface are arranged in the same direction, the directions of the fracture surface and the burr surface influence the use function of the heat shield, different holes in the same plane are required to be provided with different directions of the fracture surface and the burr surface, the hole relative position is higher, the conventional die process is used for meeting the requirements of the fracture surface and the burr surface in different directions and is divided into two times of stamping, and the heat shield is stamped by a single-process die after being partially stamped in the continuous die, so that the production efficiency is low, the product precision is reduced, the rejection rate is improved, and the cost is increased.
Disclosure of utility model
The utility model aims to overcome the defects of the prior art and provide a continuous upward punching die for heat shield production.
The utility model provides a technical scheme that the die for continuously punching upwards in the production of a heat shield comprises an upper die structure and a lower die structure, and is characterized in that the upper die structure comprises an upper clamping plate, an upper base plate is arranged above the upper clamping plate, a gas blowing hole is arranged in the upper base plate, one end of the gas blowing hole is communicated with a gas blowing pipe, the gas blowing pipe is connected with a high-pressure gas source, a steel hole is arranged in a containing cavity of the upper clamping plate and is in interference fit with the steel hole, a forming hole and a discharging hole are arranged on the steel hole and are communicated with each other, the discharging hole is communicated with the gas blowing hole, and a waste bean discharging channel is arranged in the discharging hole;
The lower die structure comprises a lower clamping plate, a lower backing plate is arranged below the lower clamping plate, a stripping plate and a stripping plate are sequentially arranged above the lower clamping plate, a first punch mounting hole is formed in the lower clamping plate, a second punch mounting hole is formed in the stripping plate, a stripping block is in interference fit with the stripping plate mounting hole, a third punch mounting hole is formed in the stripping block, the size of the second punch mounting hole is larger than that of the third punch mounting hole, punches are arranged in the first punch mounting hole, the second punch mounting hole and the third punch mounting hole, the punches are matched with the discharging hole, and the positions of the punches correspond to the positions of the discharging holes.
Further, the stripper block cooperates with the steel eyes to position and secure the heat shield between the stripper block and the steel eyes.
The utility model has the beneficial effects that:
1. The upward punching process scheme is adopted, the punch, the material supporting plate and the steel hole are arranged on the lower die, the broken surface and the burr surface after punching are arranged above the upper die, so that the condition that the broken surface and the burr surface of a continuous die processed product are upward and downward is met, and the limitation of a single downward punching process is solved;
2. The waste bean discharging channel is arranged in the upper clamping plate, the forming hole on the steel eye is communicated with the discharging hole, the discharging hole is communicated with the air blowing hole, one end of the air blowing hole is communicated with the air blowing pipe, and the air blowing pipe is connected with a high-pressure air source;
3. the die has simple structure and easy processing, and meets the requirements of different fracture surfaces and burr surfaces of products
The processing can be completed in a continuous die at one time, the product quality is improved, the processing precision is ensured, the cost is low, and the production efficiency is high.
Drawings
FIG. 1 is a schematic diagram of a closed-mode structure of the present utility model;
FIG. 2 is a schematic diagram of an open mold configuration of the present utility model;
fig. 3 is a schematic drawing of a blanking cross-sectional structure of the present utility model.
In the figure, 1, an upper backing plate, 2, an upper clamping plate, 3, a heat shield, 4, a stripper plate, 5, a stripper plate, 6, a lower clamping plate, 7, a lower backing plate, 8, a molding hole, 9, a gas blowing pipe, 10, waste beans, 11, steel eyes, 12, a stripper block, 13, a punch, 14, a gas blowing hole, 15, a discharge hole, 16, a containing cavity, 17, a third punch mounting hole, 18, a mounting hole, 19, a second punch mounting hole, 20, a first punch mounting hole, 21, a corner collapse belt, 22, a bright belt, 23, a fracture surface, 24, a burr surface, 25 and a heat shield hole.
Detailed Description
For a better understanding and implementation, the present utility model is described in detail below with reference to the drawings.
As shown in fig. 3, the blanking section of the heat shield consists of a corner collapse belt 21, a bright belt 22, a fracture surface 23 and a burr surface 24, wherein the direction of the fracture surface 23 and the burr surface 24 influences the use functionality of the heat shield;
as shown in fig. 1 and 2, a continuous upward punching die for heat shield production comprises an upper die structure and a lower die structure;
The upper die structure comprises an upper clamping plate 2, wherein an upper backing plate 1 is fixed above the upper clamping plate 2 by adopting a screw, a gas blowing hole 14 is formed in the upper backing plate 1, one end of the gas blowing hole 14 is communicated with a gas blowing pipe 9, one end of the gas blowing pipe 9 is fixed in a threaded hole of the gas blowing hole 14 of the upper backing plate 1 by threads, the other end of the gas blowing pipe is connected with a high-pressure gas source, a steel eye 11 is fixed in a containing cavity 16 of the upper clamping plate 2 in an interference fit manner, the steel eye 11 is subjected to heat treatment by Cr12Mov die steel HRC59 DEG, the surface is subjected to titanizing treatment, the wear resistance is improved, a forming hole 8 and a discharge hole 15 are formed in the steel eye 11 and are communicated, the discharge hole 15 is communicated with the gas blowing hole 14, the discharge hole 15 is a waste bean 10 discharge channel, gas of the gas blowing pipe 9 is blown into the gas blowing hole 14 at high pressure, and the pressure in the gas blowing hole 14 is smaller than the pressure in the discharge hole 15 along with the increase of the blowing flow speed, so that the waste bean 10 rises into the gas blowing hole 14 and is sprayed out of a die along with the gas;
The lower die structure comprises a lower clamping plate 6, wherein the lower clamping plate 6 is fixed with a lower backing plate 7 below, a first punch mounting hole 20 is formed in the lower clamping plate 6, a punch 13 is in interference fit with the first punch mounting hole 20 of the lower clamping plate 6, the punch 13 is made of SKD11 high-strength die steel, a stripper plate 5 and a stripper plate 4 are fixedly mounted above the lower clamping plate 6 through screws in sequence, the stripper plate 5 is fixed with the stripper plate 4, a second punch mounting hole 19 is formed in the stripper plate 5, a mounting hole 18 is formed in the stripper plate 4, a stripper block 12 is in interference fit in the mounting hole 18 of the stripper plate 4, a third punch mounting hole 17 is formed in the stripper block 12, the second punch mounting hole 19 in the stripper plate 5 is larger than the third punch mounting hole 17 in the stripper block 12, the punch 13 is in clearance fit with the third punch mounting hole 17 of the stripper block 12, the punch 13 is matched with a discharge hole 15 in position, the stripper block 12 is matched with a steel eye 11 to position and fix the heat shield 3 between the stripper block 12 and the steel eye 11.
The punching die structure is suitable for various heat shield structures, such as a single-layer structure, a double-layer structure or a three-layer structure.
The utility model relates to a continuous upward punching die used in heat shield production, which is characterized in that an upper die and a lower heat shield 3 are positioned and fixed between a stripper block 12 and a steel hole 11 when in operation, a stripper plate 5, a stripper plate 4 and the stripper block 12 synchronously descend under the descending pressure of the upper die, a punch 13 works to penetrate through the heat shield 3 and enter a forming hole 8 to punch out waste beans 10 to form a heat shield hole 25, the punch 13 penetrates through the heat shield 3 to form the heat shield hole 25, the sections of the punch 13 sequentially comprise a corner collapse belt 21, a bright belt 22, a fracture surface 23 and a burr surface 24 in sequence, gas of a gas blowing pipe 9 blows into the gas hole 14 under high pressure, the flow rate of the gas blown increases, the pressure in the gas hole 14 is smaller than the pressure in a discharge hole 15, so that the waste beans 10 ascend into the gas hole 14 and are ejected out of the die along with the gas, the upper die descends to the limit position and then ascends, the stripper plate 5, the stripper plate 4 and the stripper block 12 synchronously ascend, the heat shield 3 is separated from the punch 13 under the action of the stripper plate 12, the cross section of the heat shield 3 sequentially ascends, the stripper plate 4 and the stripper plate 12 stops ascending to the design position, and ascends to the limit position, and the working cycle is completed.
It should be understood that technical features that are not specifically described in the present specification belong to the prior art. Although the embodiments of the present utility model have been described in connection with the accompanying drawings, the present utility model is not limited to the above-described embodiments, which are intended to be illustrative only and not limiting, and many more forms can be made by those of ordinary skill in the art without departing from the spirit of the utility model and the scope of the appended claims, which are to be construed as falling within the scope of the utility model.
Claims (2)
1. A die for continuously punching holes upwards in the production of a heat shield comprises an upper die structure and a lower die structure, and is characterized in that the upper die structure comprises an upper clamping plate (2), an upper base plate (1) is arranged above the upper clamping plate (2), a gas blowing hole (14) is formed in the upper base plate (1), one end of the gas blowing hole (14) is communicated with a gas blowing pipe (9), the gas blowing pipe (9) is connected with a high-pressure gas source, a steel hole (11) is formed in a containing cavity (16) of the upper clamping plate (2) and is in interference fit with the steel hole, a forming hole (8) and a discharging hole (15) are formed in the steel hole (11) and are communicated with each other, the discharging hole (15) is communicated with the gas blowing hole (14), and a waste bean (10) discharging channel is formed in the discharging hole (15);
The lower die structure comprises a lower clamping plate (6), a lower base plate (7) is arranged below the lower clamping plate (6), a stripping plate (5) and a stripping plate (4) are sequentially arranged above the lower clamping plate (6), a first punch mounting hole (20) is formed in the lower clamping plate (6), a second punch mounting hole (19) is formed in the stripping plate (5), a mounting hole (18) is formed in the stripping plate (4), a stripping block (12) is in interference fit with the stripping plate (4) mounting hole (18), a third punch mounting hole (17) is formed in the stripping block (12), the size of the second punch mounting hole (19) is larger than that of the third punch mounting hole (17), punches (13) are arranged in the first punch mounting hole (20), the second punch mounting hole (19) and the third punch mounting hole (17), and the punches (13) are matched with the discharging hole (15) in position.
2. A mould for continuous upward punching in the production of heat shields according to claim 1, characterized in that the stripper block (12) cooperates with the steel eyes (11) to position and fix the heat shield (3) between the stripper block (12) and the steel eyes (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420588215.9U CN222288512U (en) | 2024-03-26 | 2024-03-26 | A die for continuous upward punching in the production of heat shields |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420588215.9U CN222288512U (en) | 2024-03-26 | 2024-03-26 | A die for continuous upward punching in the production of heat shields |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222288512U true CN222288512U (en) | 2025-01-03 |
Family
ID=93971844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420588215.9U Active CN222288512U (en) | 2024-03-26 | 2024-03-26 | A die for continuous upward punching in the production of heat shields |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222288512U (en) |
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2024
- 2024-03-26 CN CN202420588215.9U patent/CN222288512U/en active Active
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