CN212884488U

CN212884488U - Punching and cutting die for machining radiating fins

Info

Publication number: CN212884488U
Application number: CN202021366573.3U
Authority: CN
Inventors: 李安洪; 孙巧; 宋建波; 郭崇巍; 李攀; 雷春
Original assignee: Chengdu Shuwang Hardware Products Co ltd
Current assignee: Chengdu Shuwang Hardware Products Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-04-06
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses a cut-off die punches a hole for fin processing, include cope match-plate pattern, guide pillar, pressure flitch and the lower bolster of arranging in proper order along the punching press direction, the fixed plate passes through the guide pillar with the cope match-plate pattern and links to each other, one side that the cope match-plate pattern was kept away from to the fixed plate is just being provided with the deflector to the symmetry axis department of fixed plate, the deflector is the cross section and waits to process the corresponding deflector of fin cross section, drift, cutting off cutter are arranged along the symmetry axis of cope match-plate pattern, drift, cutting off cutter are just to the deflector, fix the fin through the deflector, realize synchronous operation through drift and cutting off cutter, can realize the continuity of operation.

Description

Punching and cutting die for machining radiating fins

Technical Field

The utility model relates to a fin processing field especially relates to a cut-off die that punches a hole for fin processing.

Background

The radiating fin is composed of a bottom plate and a plurality of radiating fins vertical to the bottom plate, the radiating fins are arranged along the length direction of the bottom plate, a plurality of through holes are arranged on the length direction of the bottom plate, heat is transferred through the through holes, the radiating is accelerated through the radiating fins, the existing radiating fin needs to punch holes on the bottom plate after the radiating fins are processed on the bottom plate, but the existing radiating fin has large processing amount in sequence and cannot adapt to the existing punch press, the radiating fin with the radiating fins processed is required to be cut and partitioned firstly, then the cut radiating fin is fixed on the punch press for punching operation, because the gap between the radiating fins is small, only two sides of the radiating fin can be fixed on the punch press, the radiating fins cannot be fixed, so when the punching operation is carried out on the bottom plate, the radiating fins are easy to deform, the quality of a final finished product is influenced, because the radiating fins need to, therefore, the workpiece to be punched needs to be frequently disassembled and assembled, the machining efficiency is influenced, and the machining cost is increased.

SUMMERY OF THE UTILITY MODEL

To the problem, the utility model provides a cut-off die punches a hole for fin processing has but continuity of operation, cuts off after punching a hole, advantage that production efficiency is high.

The technical scheme of the utility model is that:

the punching and cutting die for machining the radiating fins comprises an upper die plate, guide pillars, a pressure plate and a lower die plate which are sequentially arranged along a punching direction, wherein the guide pillars are arranged between the upper die plate and the pressure plate, the pressure plate is connected with the upper die plate through the guide pillars, the guide pillars are arranged at four corners of the upper die plate, a punch is arranged on the upper die plate at one side of the upper die plate opposite to the pressure plate, a cutting knife is arranged on the upper die plate at one side of the upper die plate opposite to the pressure plate, a guide plate is arranged between the pressure plate and the lower die plate, the guide plate is a guide plate with a cross section corresponding to the cross section of the radiating fins to be machined, and through holes corresponding to the punch and the cutting knife are formed in.

The working principle of the technical scheme is as follows:

the guide plate corresponds to the cross section of the radiating fin to be processed, the cross section of the radiating fin to be processed is a plurality of parallel U-shaped, the cross section of the guide plate is a plurality of parallel inverted U-shaped, the position of the radiating fin to be processed can be limited by the guide plate, the guide plate and the radiating fin to be processed are combined to form a columnar structure, the radiating fin can be prevented from being damaged in the punching process, the pressure plate at the upper part of the guide plate is connected with the upper template through the guide post, the upper template is provided with a punch and a cutting knife, after the radiating fin is pushed into the guide plate, the upper template and the pressure plate are driven by a power device to press down, the pressure plate firstly presses down the guide plate, then the upper template is continuously pressed down under the action of the guide post to drive the punch and the cutting knife to punch and cut the radiating fin simultaneously, the length of the radiating fin to be processed can be, the operation efficiency is high, and positioning accuracy is high, can be according to waiting to process heat radiation fins's size change deflector, uses the flexibility high, and after the operation, the cope match-plate pattern rose, and the drive fixed plate is mentioned, separation work piece that can be convenient.

In a further technical scheme, limiting plates are arranged on two sides of the guide plate in the moving direction of the workpiece.

Set up the limiting plate in deflector both sides, can prevent that the deflector from appearing the skew in stamping process, the operation quality that the influence was punched a hole and is cut off.

In a further technical scheme, on the end face of the guide plate, which is in contact with the pressure plate, a limiting through groove corresponding to the guide plate is formed in the pressure plate.

Set up the spacing logical groove that corresponds the deflector on pressing the flitch, fix the deflector in the processing position through pressing flitch and limiting plate, can improve the accuracy of location.

In a further technical scheme, a female die and a female die base plate are sequentially arranged between the lower die plate and the guide plate along the punching direction.

The die and the die backing plate are arranged between the lower die plate and the guide plate, so that the abrasion of the lower die plate can be reduced, the workpiece can be conveniently separated, and the workpiece can be prevented from being adhered in the punching process.

In a further technical scheme, a blanking through hole is formed in one end, opposite to the length direction of the guide plate, of the lower template.

Set up the unloading through-hole on the lower die plate, the work piece punches a hole along the direction of travel earlier, cuts off afterwards, can fall into the below along the unloading through-hole under the circumstances of self gravity after cutting off, the work piece can not appear and pile up, is convenient for collect, arranges in order.

In a further aspect, the punch and the cutting blade are arranged along a moving direction of the workpiece.

The punch and the cutting-off tool are arranged along the moving direction of the workpiece, so that the workpiece can be ensured to be punched and cut off first in the moving process, the continuity and the precision of operation can be improved, and the production efficiency is improved.

The utility model has the advantages that:

1. the lower part of the pressure plate is provided with the guide plate, the cross section of the guide plate corresponds to the cross section of the heat dissipation fins to be processed, the guide plate and the heat dissipation fins to be processed form a columnar body, the stability of punching of the heat dissipation fins can be improved, the positioning accuracy of the punching can be improved, the heat dissipation fins can be prevented from deforming during punching, the punching quality can be influenced, the upper template is provided with the punch and the cutting knife, the workpiece can be punched and cut simultaneously, the continuous operation can be realized, and the operation efficiency can be improved;

2. limiting plates are arranged on two sides of the guide plate, so that the guide plate can be prevented from being deviated in the stamping process, and the operation quality of punching and cutting is influenced;

3. the limiting through groove corresponding to the guide plate is formed in the material pressing plate, and the guide plate is fixed at the machining position through the material pressing plate and the limiting plate, so that the positioning accuracy can be improved;

4. the female die and the female die base plate are arranged between the lower die plate and the guide plate, so that the abrasion of the lower die plate can be reduced, the workpiece can be conveniently separated, and the workpiece can be prevented from being adhered in the punching process;

5. the lower template is provided with the blanking through hole, the workpiece is firstly punched along the advancing direction and then cut off, and can fall into the lower part along the blanking through hole under the condition of self gravity after being cut off, so that the accumulation of the workpiece is avoided, the collection is convenient, and the workpiece is arranged;

6. the punch and the cutting-off tool are arranged along the moving direction of the workpiece, so that the workpiece can be ensured to be punched and cut off first in the moving process, the continuity and the precision of operation can be improved, and the production efficiency is improved.

Drawings

Fig. 1 is a schematic overall structure diagram of a punching and cutting die for processing a heat sink according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a guide plate according to an embodiment of the present invention;

fig. 3 is a top view of a guide plate according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of an upper template according to an embodiment of the present invention;

fig. 5 is a left side view of the upper plate according to the embodiment of the present invention;

fig. 6 is a top view of an upper plate according to an embodiment of the present invention.

Description of reference numerals:

10. mounting a template; 20. a guide post; 30. a material pressing plate; 31. a guide plate; 32. a limiting plate; 40. a lower template; 50. a punch; 60. a cutting knife; 70. a female die; 80. a die base plate; 90. and (5) blanking through holes.

Detailed Description

The embodiments of the present invention will be further explained with reference to the drawings.

Example (b):

as shown in fig. 1-6, a punching and cutting die for processing a heat sink includes an upper die plate 10, a guide pillar 20, a pressure plate 30 and a lower die plate 40 sequentially arranged along a punching direction, the guide pillar 20 is disposed between the upper die plate 10 and the pressure plate 30, the pressure plate 30 is connected to the upper die plate 10 through the guide pillar 20, the guide pillar 20 is disposed at a four-corner of the upper die plate 10, a punch 50 and a cutting knife 60 are disposed on the upper die plate 10 at a side of the upper die plate 10 opposite to the pressure plate 30, a guide plate 31 is disposed at a side of the pressure plate 30 away from the upper die plate 10, the guide plate 31 is a guide plate 31 having a cross section corresponding to a cross section of the heat sink to be processed, and through holes corresponding to positions of the punch 50 and the cutting knife.

The working principle of the technical scheme is as follows:

the cooling fin to be punched is placed on the workbench along the guide plate 31, the upper die plate 10, the guide part 20 and the pressure plate 30 are driven by the power device to press the guide plate 31 and a workpiece, the upper die plate 10 continues to press down along the guide post 20 under the action of the power driving device, the pressure plate 30 is pressed on the guide plate 31 in the whole punching process, the punch 50 and the cutting knife 60 punch the workpiece and then cut the workpiece, continuous operation can be achieved, punching operation and cutting operation are carried out simultaneously, positioning accuracy is high, after the workpiece is machined, the upper die plate 10 is lifted, the punch 50 and the cutting knife 60 are driven to be separated from the workpiece, the pressure plate 30 and the guide plate 31 are driven to be separated, the workpiece is convenient to move, operation efficiency is high, operation accuracy is high, and yield can be effectively improved.

In another embodiment, as shown in fig. 1, the guide plates 31 are provided with limiting plates 32 at two sides of the workpiece moving direction, which can prevent the guide plates 31 from shifting during the punching process and affecting the quality of the punching and cutting operation.

In another embodiment, as shown in fig. 1, on the end surface of the guide plate 31 contacting the pressure plate 30, a limiting through groove corresponding to the guide plate 31 is provided on the pressure plate 30, and the guide plate 31 is fixed at the operation position through the limiting through groove of the pressure plate 30 and the limiting plate 32, so that the positioning accuracy can be improved.

In another embodiment, as shown in fig. 1, a die 70 and a die backing plate 80 are sequentially arranged between the lower template 40 and the guide plate 31 along the punching direction, so that the die 70 can reduce the abrasion of the lower template, facilitate the separation of the workpiece, and prevent the workpiece from being adhered during the punching process.

In another embodiment, as shown in fig. 1, a blanking through hole 90 is formed in one end of the lower template 40, which faces the length direction of the guide plate 31, and the blanking through hole 90 is formed, so that the punched and cut workpiece can fall into the lower part under the action of gravity, thereby facilitating the collection and transportation of materials, preventing the accumulation of the materials, and improving the operation efficiency.

In another embodiment, as shown in fig. 4-6, the punch 50 and the cutting blade 60 are arranged along the moving direction of the workpiece, and by using this arrangement, the workpiece can be ensured to be punched first and then cut, so that the continuity and stability of the operation can be improved, and the yield can be effectively improved.

When the device is used, the shape of the guide plate 31 can be adjusted according to the shape of the radiating fin to be processed, the punching frequency and the position of the cutting knife can be adjusted according to the length of a workpiece to be produced, the application range is wide, and the use flexibility is high.

The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The punching and cutting die is characterized in that a cutting knife is arranged on the upper die plate at one side of the upper die plate opposite to the pressure plate, a guide plate is arranged between the pressure plate and the pressure plate, the guide plate is arranged between the pressure plate and the lower die plate, the guide plate is a guide plate with a cross section corresponding to the cross section of a radiating fin to be processed, and through holes corresponding to the positions of the cutting knife and the punch are formed in the guide plate and the pressure plate.

2. The punching and cutting die for processing the heat sink as recited in claim 1, wherein the guide plates are provided with a limiting plate on both sides in the moving direction of the workpiece.

3. The punching and cutting die for processing the heat dissipation plate as claimed in claim 2, wherein a limiting through groove corresponding to the guide plate is formed in the material pressing plate on an end surface of the guide plate, which is in contact with the material pressing plate.

4. The punching and cutting die for processing the heat radiating fin according to claim 1, wherein a female die and a female die backing plate are sequentially arranged between the lower die plate and the guide plate along the punching direction.

5. The punching and cutting die for processing the heat radiating fin as claimed in claim 1, wherein a blanking through hole is formed in one end of the lower die plate, which faces the length direction of the guide plate.

6. A punch cutting die for heat sink processing according to claim 1, wherein the punch and the cutting blade are arranged along a moving direction of the workpiece.