Trimming, punching and side punching composite die for automobile dash panel

Abstract

The utility model relates to an automobile dash panel trimming punching and side punching composite die which comprises an upper die base and a lower die base, the lower die base is located below the upper die base, a die male die is arranged on the lower die base and used for bearing a stamping part, a mounting base is arranged on the lower die base, the automobile dash panel trimming punching and side punching composite die further comprises a material pressing plate, and the material pressing plate and the die male die are arranged in an aligned mode. The material pressing plate is used for limiting a stamping part on the die male die, the material pressing plate is arranged on the upper die base, a plurality of punching assemblies are arranged on the upper die base, a punching block is arranged on the die male die, a through hole is formed in the punching block, and when the upper die base is pressed downwards, the punching assemblies are arranged on the mounting base in a sliding mode, penetrate through the through hole and punch the stamping plate. The die has the advantages that the die punching frequency is increased, the production cost is reduced, and the yield is increased.

Description

TECHNICAL FIELD

[0001] The application relates to the field of die technology, in particular to a trimming, punching, side punching and composite die for an automobile front panel. BACKGROUND

[0002] A die is a tool used in industrial production to obtain the desired product by injection molding, blow molding, extrusion, die casting or forging, smelting, stamping and other methods. In short, a die is a tool used to make shaped objects. Such a tool is composed of various parts, and different dies are composed of different parts. It mainly realizes the processing of the shape of an object by changing the physical state of the molded material. A stamping die is a kind of pressure processing method that uses a die installed on a press to apply pressure to the material to produce separation or plastic deformation, thereby obtaining the desired part at room temperature.

[0003] A common automobile front panel die needs to punch the stamping plate. The stamping plate often needs to be punched multiple times. The die cannot perform multiple punching steps at one time, and multiple punching processes are needed, which increases the development cost of the die, greatly increases the production cost, prolongs the processing cycle and affects the improvement of the yield. SUMMARY

[0004] In order to improve the punching frequency of the die, reduce the production cost and improve the yield, the application provides a trimming, punching, side punching and composite die for an automobile front panel.

[0005] The application provides a trimming, punching, side punching and composite die for an automobile front panel, which adopts the following technical scheme:

[0006] A trimming, punching, side punching and composite die for an automobile front panel comprises an upper die seat and a lower die seat, the lower die seat is located below the upper die seat, a die punch is arranged on the lower die seat, the die punch is used to bear the stamping part, an installation seat is arranged on the lower die seat, and a pressure plate is further arranged, the pressure plate is arranged in position with the die punch, the pressure plate is used to limit the stamping part on the die punch, the pressure plate is arranged on the upper die seat, a plurality of punching assemblies are arranged on the upper die seat, a punching block is arranged on the die punch, a through hole is formed in the punching block, when the upper die seat is pressed down, the punching assemblies are slidably arranged on the installation seat, and the punching assemblies pass through the through hole and punch the stamping plate.

[0007] By adopting the technical scheme, when punching is needed for the automobile front panel, the stamping plate is placed on the die punch, the pressure plate is arranged on the upper die seat, the upper die seat is lowered to make the pressure plate contact with the stamping plate and prevent the stamping plate from moving, the punching block is arranged on the die punch, the punching assembly is provided with a plurality of punching blocks, the through holes provided on the punching plate make the punching assembly pass through the through holes and punch the stamping plate, and the punching assembly punches the stamping plate multiple times when the die is closed, the number of die punching is increased, the production cost is reduced, and the production capacity is improved.

[0008] Optionally, the die punch is provided with two die punches, the two die punches are symmetrically arranged, the pressure plate is arranged in alignment with the two die punches, the punching block comprises a first punching block, a second punching block and a third punching block, and the through hole comprises a first through hole, a second through hole and a third through hole.

[0009] By adopting the technical scheme, the two die punches further improve the production capacity, and the plurality of punching blocks enable the punching assembly to realize multiple punching when the die is closed.

[0010] Optionally, the punching assembly is provided with four groups, two groups of the punching assembly are located on the side surfaces of the first punching block and the second punching block, and the other two groups of the punching assembly are located on the side surface of the third punching block, the punching assembly comprises a fixed seat, a sliding seat and a limiting block, the limiting block is arranged on the upper die seat, the sliding seat is provided with a sliding block, the sliding block is slidingly connected to the limiting block, a sliding groove is formed in the side surface of the sliding block, the sliding block is slidingly connected to the fixed seat through the sliding groove, and the fixed seat is arranged on the mounting seat.

[0011] By adopting the technical scheme, when the upper die is lowered, the sliding seat slidingly arranged on the limiting block is slidingly connected to the fixed seat, the sliding seat slides towards the die punch, and punching is realized, the punching assembly is simple to install and easy to disassemble and maintain.

[0012] Optionally, the punching assembly further comprises a plurality of punches, the punches are arranged on the sliding seat, a fourth through hole is formed in the second punching block, a fifth through hole is formed in the third punching block, and the punches are arranged in one-to-one correspondence with the through holes.

[0013] By adopting the technical scheme, two punches are arranged on the fixed seat located on the side surface of the second punching block, the two punches synchronously realize punching operation, and five punches of the stamping part are realized by one-time die closing of the three punching blocks.

[0014] Optionally, the sliding seat is provided with a positioning block, the third punching block is provided with a positioning hole, the positioning block is located between the third through hole and the fifth through hole, and the positioning block passes through the positioning hole and punches the stamping plate.

[0015] By adopting the above technical scheme, the positioning hole of the automobile front panel mainly ensures the positioning accuracy and assembly quality of the vehicle body part in the welding process.

[0016] Optionally, the limiting block is provided with a limiting plate away from one end of the die punch.

[0017] By adopting the above technical scheme, the limiting plate prevents the sliding block from slipping away from the limiting block.

[0018] Optionally, the punching block is provided with a communication hole at the bottom, and the communication hole communicates with the through hole.

[0019] By adopting the above technical scheme, the communication hole enables the stamping plate waste after the punch is punched to be separated from the die punch.

[0020] Optionally, the lower die seat is provided with an ejection plate above the communication hole.

[0021] By adopting the above technical scheme, the ejection plate enables the waste punched by the punch to be separated from the die punch along the ejection plate.

[0022] In summary, the present application has at least one of the following beneficial technical effects:

[0023] 1. When the automobile front panel needs to be punched, the upper die seat descends to make the pressure plate contact the stamping plate, and the plurality of punching assemblies punch the stamping plate through the through hole, thereby increasing the punching frequency of the punching die, reducing the production cost, and improving the yield.

[0024] 2. When the upper die seat descends, the sliding seat, the limiting block and the fixing block all slide relative to each other to realize punching, the punching assembly is simple to install and easy to disassemble and maintain.

[0025] 3. The stamping plate waste after punching is separated from the die punch along the communication hole. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a whole schematic view of the trimming and punching combined die of the automobile front panel of the embodiment.

[0027] Figure 2 is a structural schematic view of the lower die seat of the embodiment.

[0028] Figure 3 is a structural schematic view of the pressure plate of the embodiment.

[0029] Figure 4 is Figure 2A local enlarged view of the area at 1 in FIG. 1.

[0030] Figure 5 A structural schematic diagram of an upper die holder of an embodiment.

[0031] Figure 6 A sectional schematic diagram of a trimming and piercing side piercing combined die for an automobile front panel of an embodiment.

[0032] Figure 7 A structural schematic diagram of a piercing assembly of an embodiment.

[0033] BRIEF DESCRIPTION OF THE DRAWINGS 1, upper die holder; 2, lower die holder; 3, die punch; 4, pressure plate; 5, piercing assembly; 51, fixed seat; 52, sliding seat; 53, limiting block; 54, punch; 6, piercing block; 61, first piercing block; 62, second piercing block; 63, third piercing block; 7, through hole; 71, first through hole; 72, second through hole; 73, third through hole; 74, fourth through hole; 75, fifth through hole; 81, sliding block; 82, sliding groove; 83, positioning hole; 84, positioning block; 85, limiting plate; 87, mounting seat; 9, discharge plate. DETAILED DESCRIPTION

[0034] The application will be further described in detail below with reference to the drawings and embodiments.

[0035] The embodiments of the application disclose a trimming and piercing side piercing combined die for an automobile front panel. Referring to Figure 1 , Figure 2 , Figure 3 , the trimming and piercing side piercing combined die for an automobile front panel comprises an upper die holder 1 and a lower die holder 2. The lower die holder 2 is located below the upper die holder 1, and a mounting seat 87 is fixed on the lower die holder 2. A die punch 3 is fixed on the lower die holder 2, and two die punches 3 are arranged symmetrically. The die punch 3 is used for bearing pressure on a stamping part. A pressure plate 4 is arranged in position with the two die punches 3, and the pressure plate 4 is used for limiting the stamping part on the die punch 3.

[0036] Referring to Figure 1 , Figure 2 , Figure 4 , a piercing block 6 is fixed on the die punch 3, and a through hole 7 is formed in the piercing block 6. When the upper die holder 1 is pressed down, a piercing assembly 5 is slidably connected to the mounting seat 87, and the piercing assembly 5 passes through the through hole 7 and pierces a stamping plate. The piercing block 6 comprises a first piercing block 61, a second piercing block 62 and a third piercing block 63, and the through hole 7 comprises a first through hole 71, a second through hole 72 and a third through hole 73. The first through hole 71 is formed in the first piercing block 61, the second through hole 72 is formed in the second piercing block 62, and the third through hole 73 is formed in the third piercing block 63.

[0037] Referring to Figure 4 , Figure 5 , Figure 6 , the pressure plate 4 is fixed on the upper die seat 1, and the upper die seat 1 is provided with a plurality of punching assemblies 5. The punching assembly 5 is provided with four groups, and two groups of punching assemblies 5 are respectively located on the side of the first punching block 61 and the second punching block 62, and the other two groups of punching assemblies 5 are located on the side of the third punching block 63.

[0038] Referring to Figure 2 , Figure 5 , Figure 7 , the punching assembly 5 comprises a fixed seat 51, a sliding seat 52 and a limiting block 53, the limiting block 53 is fixed on the upper die seat 1, the sliding seat 52 is fixed with a sliding block 81, the sliding block is slidingly connected to the limiting block, and the limiting block 53 is fixed with a limiting plate 85 away from the die punch 3. A sliding groove 82 is formed in the side surface of the sliding block 81, and the sliding block 81 is slidingly connected with the fixed seat 51 through the sliding groove 82, and the fixed seat 51 is fixed on the mounting seat 87.

[0039] Referring to Figure 2 , Figure 4 , Figure 5 , Figure 7 , the punching assembly 5 further comprises a plurality of punches 54, the punch 54 is fixed on the sliding seat 52, the second punching block 62 is provided with a fourth through hole 74, the third punching block 63 is provided with a fifth through hole 75, and the punch 54 is arranged one by one corresponding to the through hole 7. One punch 54 corresponding to the first punching block 61 is fixed on the sliding seat 52, the punch 54 is located in the first through hole 71, two punches 54 corresponding to the second punching block 62 are fixed on the sliding seat 52, and the two punches 54 are arranged one by one in the second through hole 72 and the fourth through hole 74. One punch 54 is fixed on each of the two groups of punching assemblies 5 on the side of the third punching block 63, and the punch 54 is arranged one by one in the third through hole 73 and the fifth through hole 75.

[0040] Referring to Figure 4 , Figure 5 , Figure 6 , the sliding seat 52 is provided with a positioning block 84, the third punching block 63 is provided with a positioning hole 83, the positioning block 84 is located between the third through hole 73 and the fifth through hole 75, the positioning block 84 passes through the positioning hole 83 and punches the stamping plate.

[0041] Referring to Figure 1 , the lower die seat 2 is fixed with a discharge plate 9, and the discharge plate 9 is located above the communication hole. The communication hole is formed in the bottom of the punching block 6, and the communication hole communicates with the through hole 7. The communication hole is used to drop the punching waste to the discharge plate 9.

[0042] The implementation principle of the trimming and punching combined die for the automobile front panel is as follows: when the automobile front panel needs to be punched, the stamping plate is placed on the male die 3, the upper die seat 1 descends, the sliding seat 52 is in sliding connection with the fixed seat 51, the sliding seat 52 slides on the limiting block 53, the pressing plate 4 is in contact with the die stamping plate, the punching block 6 abuts against the stamping plate, the sliding seat 52 slides to make the punch 54 pass through the through hole 7, the stamping plate is punched, the four punching assemblies 5 simultaneously punch five holes in the stamping plate, the third limiting block 84 can also be formed by punching, the waste after punching is separated from the lower die seat 2 along with the ejection plate 9, the punching assembly 5 punches multiple holes in the stamping plate at one time, the die punching frequency is improved, the production cost is reduced, and the yield is improved.

[0043] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so: equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A trimming and piercing combined die for an automobile front panel, comprising an upper die holder (1) and a lower die holder (2), characterized in that: The lower die seat (2) is located below the upper die seat (1), the lower die seat (2) is provided with a die punch (3) for bearing pressure stamping parts, the lower die seat (2) is provided with a mounting seat (87), further comprising a pressure plate (4), the pressure plate (4) is provided with the die punch (3), the pressure plate (4) is used for limiting the stamping part on the die punch (3), the pressure plate (4) is provided on the upper die seat (1), the upper die seat (1) is provided with a plurality of punching assembly (5), the die punch (3) is provided with a punching block (6), the punching block (6) is provided with a through hole (7), when the upper die seat (1) is pressed, the punching assembly (5) is slidably arranged on the mounting seat (87), and the punching assembly (5) passes through the through hole (7) and punches the stamping plate.

2. The trimming and piercing side piercing compound die for an automobile front panel according to claim 1, characterized in that: The die punch (3) is provided with two, two the die punch (3) is symmetrically arranged, the pressure plate (4) is provided with two die punches (3), the punching block (6) includes a first punching block (61), a second punching block (62) and a third punching block (63), the through hole (7) includes a first through hole (71), a second through hole (72) and a third through hole (73), the first through hole (71) is provided on the first punching block (61), the second through hole (72) is provided on the second punching block (62), and the third through hole (73) is provided on the third punching block (63).

3. The trimming and piercing side piercing compound die for an automobile front panel according to claim 2, characterized in that: The punching assembly (5) is provided with four groups, two groups of punching assembly (5) are respectively located on the side of the first punching block (61) and the second punching block (62), and the other two groups of punching assembly (5) are located on the side of the third punching block (63), the punching assembly (5) includes a fixed seat (51), a sliding seat (52) and a limiting block (53), the limiting block (53) is provided on the upper die seat (1), the sliding seat (52) is provided with a sliding block (81), the sliding block (81) is slidably connected to the limiting block (53), the sliding block (81) is provided with a sliding groove (82) on the side surface, and the sliding block (81) is slidably connected with the fixed seat (51) through the sliding groove (82). The fixed seat (51) is arranged on the mounting seat.

4. The trimming and piercing side piercing combined die for an automobile front panel according to claim 3, characterized in that: The punching assembly (5) further comprises a plurality of punches (54), the punch (54) is arranged on the sliding seat (52), the second punching block (62) is provided with a fourth through hole (74), the third punching block (63) is provided with a fifth through hole (75), and the punch (54) is provided one by one with the through hole (7).

5. The trimming and piercing side piercing combined die for an automobile front panel according to claim 4, characterized in that: The sliding seat (52) is provided with a positioning block (84), the third punching block (63) is provided with a positioning hole (83), the positioning block (84) is located between the third through hole (73) and the fifth through hole (75), and the positioning block (84) passes through the positioning hole (83) and punches the stamping plate.

6. The trimming and piercing side piercing combined die for an automobile front panel according to claim 3, characterized in that: The limiting block (53) is provided with a limiting plate (85) away from the die punch (3).

7. The trimming and piercing side piercing combined die for an automobile front panel according to claim 1, characterized in that: The punching block (6) is provided with a communication hole (86) at the bottom, and the communication hole (86) is communicated with the through hole (7).

8. The trimming and piercing side piercing combined die for an automobile front panel according to claim 7, characterized in that: The lower die seat (2) is provided with a discharging plate (9), and the discharging plate (9) is located above the communication hole (86).

Images