Automobile part stamping die convenient to replace

Abstract

The utility model relates to the technical field of stamping dies, in particular to an automobile part stamping die convenient to replace, which comprises a lower die, an upper die is arranged above the lower die, mounting seats are arranged at one ends of the upper die and the lower die which are far away from each other, and one end of each mounting seat is fixed on a press machine through an annular support seat. A rotating shaft is rotationally connected to one side of each mounting seat, a rotating disc is mounted on the side face of each rotating shaft, the edge of each rotating disc is connected with the inner wall of the corresponding annular supporting seat through a bearing, a gear is further mounted at the bottom of each rotating shaft, and a strip-shaped connecting plate is mounted in each annular supporting seat. The rack can be pushed to horizontally move through the telescopic mechanism, then the rotating disc can be driven to rotate under the cooperation of the gear, the connecting rod can be synchronously driven to horizontally move under the cooperation of the arc-shaped groove and the rolling wheel, the stamping die is clamped and fixed through the clamping plate, fixing is simple, and replacement is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to punch die technical field especially relates to a kind of automobile parts punch die of convenient replacement. BACKGROUND

[0002] Automobile parts are the various units that make up the whole car and a kind of product serving the car, part automobile parts need to be punched by punch die when processing.

[0003] The existing punch die is generally fixed on the working part of the press by bolts, so when the die needs to be replaced, the worker needs to remove the bolts to remove the die from the press, which is inconvenient to replace. And in the process of use, the friction between the punch die and the workpiece during the punching process generates heat, which is generally cooled by cooling liquid. However, since there is no mechanism to cool the cooling liquid, the cooling liquid is affected by room temperature, the cooling speed of the cooling liquid is slow, and the cooling effect is poor. Therefore, we propose a kind of automobile parts punch die convenient to replace. SUMMARY

[0004] The utility model aims at solving the above-mentioned shortcomings existing in prior art, and proposes a kind of automobile parts punch die convenient to replace.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of automobile parts punch die convenient to replace is designed, including lower die, the upper side of lower die is equipped with upper die, the end of the mutual distance of upper die and lower die is equipped with mounting seat, the one end of each mounting seat is fixed on the press through annular support seat;

[0006] The side of each mounting seat is rotatably connected with shaft, the side surface of shaft is installed with rotary disc, the edge of each rotary disc is connected with the inner wall of corresponding annular support seat through bearing, and the bottom of shaft is also installed with gear, the inside of each annular support seat is installed with strip-shaped connecting plate, the top of strip-shaped connecting plate is equipped with L-shaped connecting plate, the side of L-shaped connecting plate is installed with rack, rack is engaged with gear, and the end of L-shaped connecting plate is installed with fixed block, the side of fixed block is connected with the inner wall of annular support seat through telescopic mechanism;

[0007] The top of mounting seat is equipped with four through-slots, the inside of each through-slot is equipped with connecting rod, the two ends of connecting rod are extended to the outside of through-slot, and the bottom of each connecting rod is rotatably connected with roller, the top of rotary disc is equipped with four arc grooves, each roller is extended to the inside of corresponding arc groove, and the top of each connecting rod is connected with clamping plate through adjusting mechanism, lower die and upper die are located between corresponding clamping plates;

[0008] The inside of the lower mold and the upper mold is provided with a cooling cavity, the top side of the cooling cavity is connected with a cooling liquid storage device through a cooling pipeline, the inside of the lower mold and the upper mold is also provided with a heat dissipation cavity, and the inside of the lower mold and the upper mold is also provided with a refrigeration cavity, the refrigeration cavity is located between the cooling cavity and the heat dissipation cavity, a plurality of refrigeration fins are installed on the top of the heat dissipation cavity, and the cold end of the refrigeration fin extends to the inside of the refrigeration cavity;

[0009] The inside of the refrigeration cavity is also provided with a heat exchange pipe, one end of the heat exchange pipe is connected with a cooling liquid pumping device through a cooling pipeline, and the other end of the heat exchange pipe is fixed at the bottom of the cooling cavity and is connected with the inside of the cooling cavity.

[0010] Preferably, the bottom of the L-shaped connecting plate is slidingly connected with a sliding rail fixed on the top of the strip-shaped connecting plate through a sliding block.

[0011] Preferably, the inside of each through slot is connected with a guide rod, and each guide rod slidingly penetrates through a corresponding connecting rod.

[0012] Preferably, the adjusting mechanism comprises a strip-shaped fixed plate fixed on the top of the connecting rod, the top of the strip-shaped fixed plate is provided with a strip-shaped moving block, one end of the strip-shaped moving block is connected with the clamping plate;

[0013] A guide groove is formed on both sides of the strip-shaped fixed plate, and L-shaped limiting blocks are installed on the bottom of each strip-shaped moving block, the bottom ends of each pair of L-shaped limiting blocks extend into the corresponding guide grooves and are slidingly connected with the guide grooves.

[0014] Preferably, the top of each strip-shaped moving block is provided with an open slot, a screw rod is vertically installed on the end of the strip-shaped fixed plate close to the clamping plate, the top of the screw rod penetrates through the corresponding open slot, and a locking nut is sleeved on the top of each screw rod, and the bottom of the locking nut abuts against the top of the strip-shaped moving block.

[0015] Preferably, at least one mounting hole is formed in the bottom of the heat dissipation cavity, a fan is installed in the mounting hole, and a plurality of heat dissipation grooves are formed on one side of the heat dissipation cavity.

[0016] The side of the lower mold and the upper mold close to the mounting seat is provided with a ventilation groove, the ventilation groove is located below the fan, and one side of the ventilation groove is connected with the external environment through an air inlet groove.

[0017] Preferably, the heat dissipation groove and the air inlet groove are oppositely arranged.

[0018] The design scheme of the utility model has the advantages of:

[0019] 1. The rack can be horizontally moved by the telescopic mechanism, then the rotating disc can be rotated under the cooperation of the gear, and the connecting rod can be horizontally moved synchronously under the cooperation of the arc-shaped groove and the roller, so that the clamping plate clamps and fixes the stamping die, and the stamping die is fixed simply and conveniently replaced.

[0020] 2. The cooling element can cool the coolant in the heat exchange tube. The cooled coolant is then transported to the cooling chamber in the stamping die to cool the stamping die. The cooling speed is fast and the performance is improved. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the rotating disk and annular support base structure of this utility model;

[0023] Figure 3 This is a schematic diagram of the gear and rack connection structure of this utility model;

[0024] Figure 4 This is a schematic diagram of the connecting rod and clamping plate structure of this utility model;

[0025] Figure 5 This is a sectional view of the lower mold structure of this utility model;

[0026] Figure 6 This is a schematic diagram of the connection structure between the upper mold and the lower mold and the press of this utility model.

[0027] In the diagram: 1. Mounting base; 2. Annular support base; 3. Screw; 4. Strip-shaped moving block; 5. Opening slot; 6. Air inlet slot; 7. Clamping plate; 8. Locking screw sleeve; 9. Strip-shaped fixing plate; 10. Lower mold; 11. Guide slot; 12. Rotary disk; 13. Connecting rod; 14. Arc-shaped slot; 15. Rotating shaft; 16. Roller; 17. Rack; 18. L-shaped connecting plate; 19. Guide rod; 20. Strip-shaped connecting plate; 21. Gear; 22. Fixing block; 23. Telescopic mechanism; 24. Cooling chamber; 25. Refrigeration chamber; 26. Heat exchange tube; 27. Fan; 28. Heat dissipation chamber; 29. ​​Mounting hole; 30. Refrigeration element; 31. Heat dissipation groove; 32. Upper mold; 33. L-shaped limiting block; 34. Through groove; 35. Ventilation groove. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0029] Reference Figures 1-6The utility model provides a replaceable stamping die of automobile parts, including lower mould 10, the upper side of lower mould 10 is equipped with upper mould 32, and the end of mutual far away of upper mould 32 and lower mould 10 is equipped with mounting seat 1, and the one end of every mounting seat 1 is fixed on the press through annular support 2, and in actual use, the staff places the workpiece with processing in the cavity on lower mould 10, then the upper mould 32 and lower mould 10 can be made into mould through the press, as shown in the figure, under the cooperation of upper mould 32 and lower mould 10, the workpiece can be stamped and processed. Figure 6

[0030] As shown in Figure 2 and Figure 3 Every mounting seat 1 is rotatably connected with a rotating shaft 15 on one side, a rotating disc 12 is installed on the side surface of the rotating shaft 15, the edge of each rotating disc 12 is connected to the inner wall of the corresponding annular support 2 through a bearing, and a gear 21 is also installed at the bottom of the rotating shaft 15. A strip-shaped connecting plate 20 is installed inside each annular support 2, an L-shaped connecting plate 18 is provided at the top of the strip-shaped connecting plate 20, a rack 17 is installed on one side of the L-shaped connecting plate 18, the rack 17 is engaged with the gear 21, and a fixed block 22 is installed at one end of the L-shaped connecting plate 18. One side of the fixed block 22 is connected to the inner wall of the annular support 2 through an extension mechanism 23, the extension mechanism 23 is one of an electric push rod or a hydraulic rod, and the extension mechanism 23 is connected to the PLC logic controller on the press through wires. In actual use, the rack 17 can be moved horizontally by the extension mechanism 23, and then the rotating shaft 15 can be rotated under the action of the gear 21, so that the rotating disc 12 can be controlled to rotate synchronously.

[0031] It should be noted that, as shown in Figure 3 The bottom of the L-shaped connecting plate 18 is slidingly connected to the sliding rail fixed on the top of the strip-shaped connecting plate 20 through a sliding block. Through the cooperation of the sliding rail and the sliding block, the L-shaped connecting plate 18 can be limited, and the rack 17 can be kept stable when moving.

[0032] As shown in Figure 1 and Figure 2 ​As shown, the top of the mounting seat 1 is provided with four through grooves 34, the inside of each through groove 34 is provided with a connecting rod 13, both ends of the connecting rod 13 extend to the outside of the through groove 34, and the bottom of each connecting rod 13 is rotatably connected with a roller 16, the top of the rotating disc 12 is provided with four arc-shaped grooves 14, each roller 16 extends to the inside of the corresponding arc-shaped groove 14, and the top of each connecting rod 13 is connected with a clamping plate 7 through an adjusting mechanism, the lower die 10 and the upper die 32 are located between the corresponding clamping plates 7, in actual use, when the rotating disc 12 rotates, the arc-shaped grooves 14 can be driven to rotate, and under the action of the arc-shaped grooves 14 and the rollers 16, the four connecting rods 13 can be driven to move horizontally, so that the clamping plates 7 can be controlled to move horizontally synchronously, the upper die 32 and the lower die 10 can be clamped and fixed, and at the same time, the upper die 32 and the lower die 10 can be positioned.

[0033] The specific structure of the adjusting mechanism is as shown in Figure 4 The adjusting mechanism includes a strip-shaped fixed plate 9 fixed on the top of the connecting rod 13, the top of the strip-shaped fixed plate 9 is provided with a strip-shaped moving block 4, one end of the strip-shaped moving block 4 is connected with the clamping plate 7, guide grooves 11 are formed on both sides of the strip-shaped fixed plate 9, and the bottom of each strip-shaped moving block 4 is provided with a pair of L-shaped limiting blocks 33, the bottom ends of each pair of L-shaped limiting blocks 33 extend into the corresponding guide grooves 11 and are slidably connected with the guide grooves 11, in actual use, the positions of the clamping plates 7 can be adjusted by moving the strip-shaped moving blocks 4 along the strip-shaped fixed plate 9, so that the distance between the clamping plates 7 can be matched with the size of the stamping die.

[0034] It should be noted that the top of the strip-shaped moving block 4 is provided with an open groove 5, one end of the top of the strip-shaped fixed plate 9 near the clamping plate 7 is vertically provided with a screw rod 3, the top of the screw rod 3 penetrates through the corresponding open groove 5, and the top of each screw rod 3 is sleeved with a locking nut 8, and the bottom of the locking nut 8 abuts against the top of the strip-shaped moving block 4, in actual use, after adjusting the positions of the clamping plates 7, the staff can tighten the locking nut 8, so that the strip-shaped moving block 4 can be fixed on the strip-shaped fixed plate 9, and then the clamping plates 7 can be fixed.

[0035] It should be noted that, as shown in Figure 1 and Figure 4 The inside of each through groove 34 is connected with a guide rod 19, and each guide rod 19 slidably penetrates through the corresponding connecting rod 13, the connecting rod 13 can be limited by the guide rod 19, so that the connecting rod 13 remains stable.

[0036] As shown in Figure 5As shown, the lower mold 10 and the upper mold 32 are provided with cooling cavities 24, the top side of the cooling cavities 24 is connected with the cooling liquid storage device through the cooling pipeline, the lower mold 10 and the upper mold 32 are also provided with heat dissipation cavities 28, and the lower mold 10 and the upper mold 32 are also provided with refrigeration cavities 25, the refrigeration cavities 25 are located between the cooling cavities 24 and the heat dissipation cavities 28, the top of the heat dissipation cavities 28 is provided with a plurality of refrigeration fins 30, the refrigeration fins 30 are connected with the PLC logic controller on the press through the wires, the cold end of the refrigeration fins 30 extends into the refrigeration cavities 25, and the refrigeration cavities 25 are also provided with heat exchange pipes 26, one end of the heat exchange pipes 26 is connected with the cooling liquid pumping device through the cooling pipeline, and the other end of the heat exchange pipes 26 is fixed at the bottom of the cooling cavities 24 and is connected with the inside of the cooling cavities 24, in the actual use process, the cooling liquid can be transported into the heat exchange pipes 26 through the cooling pipeline, while the cooling liquid flows in the heat exchange pipes 26, the cold end of the refrigeration fins 30 cools the heat exchange pipes 26, so that the cooling liquid is kept in a low temperature state, then the cooling liquid flows into the cooling cavities 24 through the heat exchange pipes 26 to cool and lower the temperature of the upper mold 32 and the lower mold 10, and then the cooling liquid is discharged from the cooling cavities 24 through the cooling pipeline, so that the cooling speed of the upper mold 32 and the lower mold 10 can be accelerated.

[0037] As shown in Figure 5 and Figure 6 the bottom of the heat dissipation cavities 28 is provided with at least one mounting hole 29, the inside of the mounting hole 29 is provided with a fan 27, the fan 27 is connected with the PLC logic controller on the press through the wires, a plurality of heat dissipation grooves 31 are formed on one side of the heat dissipation cavities 28, the lower mold 10 and the upper mold 32 are provided with ventilation grooves 35 on the side close to the mounting seat 1, the ventilation grooves 35 are located below the fan 27, and one side of the ventilation grooves 35 is connected with the external environment through the air inlet groove 6, in the actual use process, the external air can be sucked into the refrigeration fins 30 through the air inlet groove 6 and blown to the hot end of the refrigeration fins 30 through the fan 27, and then the high-temperature air is discharged to the external environment through the heat dissipation grooves 31.

[0038] Specifically, in use, the staff fixes the annular support seat 2 in the preset position of the press, then the staff places the upper die 32 and the lower die 10 on the corresponding mounting seat 1 in turn, so that the upper die 32 and the lower die 10 are located between the corresponding clamping plates 7, then the staff controls the telescopic mechanism 23 to work, the telescopic mechanism 23 drives the rack 17 to move horizontally, under the action of the gear 21, the rotating disc 12 rotates synchronously, and then under the action of the arc-shaped groove 14 and the roller 16, the connecting rod 13 moves synchronously, so that the clamping plate 7 clamps and fixes the stamping die, and the installation is completed, when it is necessary to replace, the clamping plate 7 only needs to be controlled by the telescopic mechanism 23 to move away from the stamping die, and the disassembly is completed, in use, the external cooling liquid is conveyed into the heat exchange pipe 26 along the conveying pipeline through the conveying mechanism, at the same time, the staff controls the refrigerating fin 30 to work, the cold end of the refrigerating fin 30 cools and cools the cooling liquid in the heat exchange pipe 26, then the cooled cooling liquid is conveyed into the cooling cavity 24 to cool the upper die 32 and the lower die 10, and then the cooling liquid is returned to the external cooling liquid storage device through the conveying pipeline, the cooling speed is fast, and in the cooling process, the fan 27 sucks the external air into the ventilation groove 35 through the air inlet groove 6, and finally blows to the hot end of the refrigerating fin 30 to cool the refrigerating fin 30, so that the refrigerating fin 30 can work normally, and the air blown by the fan 27 is discharged through the heat dissipation groove 31 after cooling the hot end of the refrigerating fin 30.

[0039] Further, the heat dissipation groove 31 is arranged opposite to the air inlet groove 6, so that the hot air discharged from the heat dissipation groove 31 cannot be sucked into the ventilation groove 35 through the air inlet groove 6, so that the cooling effect of the fan 27 is not hindered.

[0040] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A stamping die for automotive parts which is easy to change, comprising a lower die (10), characterized in that: The upper die (32) is arranged above the lower die (10), and the upper die (32) and the lower die (10) are both provided with mounting seats (1) at the ends away from each other. The mounting seat (1) is rotatably connected with a rotating shaft (15) at one side, and the rotating shaft (15) is provided with a rotating disc (12) on the side surface; the edge of each rotating disc (12) is connected with the inner wall of the corresponding annular support seat (2) through a bearing, and the bottom of the rotating shaft (15) is further provided with a gear (21); the inside of each annular support seat (2) is provided with a strip-shaped connecting plate (20), and the top of the strip-shaped connecting plate (20) is provided with an L-shaped connecting plate (18); the L-shaped connecting plate (18) is provided with a rack (17) at one side, and the rack (17) is engaged with the gear (21); and one end of the L-shaped connecting plate (18) is provided with a fixed block (22), and the fixed block (22) is connected with the inner wall of the annular support seat (2) through a telescopic mechanism (23). Four through grooves (34) are formed in the top of the mounting seat (1), and each through groove (34) is provided with a connecting rod (13) inside; the two ends of the connecting rod (13) extend to the outside of the through groove (34), and the bottom of each connecting rod (13) is rotatably connected with a roller (16); the top of the rotating disc (12) is provided with four arc-shaped grooves (14), and each roller (16) extends into the corresponding arc-shaped groove (14); and the top of each connecting rod (13) is connected with a clamping plate (7) through an adjusting mechanism. The inside of the lower die (10) and the upper die (32) is provided with a cooling cavity (24), and the top side of the cooling cavity (24) is connected with a cooling liquid storage device through a cooling pipeline; the inside of the lower die (10) and the upper die (32) is further provided with a heat dissipation cavity (28), and the inside of the lower die (10) and the upper die (32) is further provided with a refrigeration cavity (25), which is located between the cooling cavity (24) and the heat dissipation cavity (28); the top of the heat dissipation cavity (28) is provided with a plurality of refrigeration fins (30), and the cold end of the refrigeration fin (30) extends into the refrigeration cavity (25). The inside of the refrigeration cavity (25) is further provided with a heat exchange pipe (26), one end of the heat exchange pipe (26) is connected with a cooling liquid pumping device through a cooling pipeline, and the other end of the heat exchange pipe (26) is fixed to the bottom of the cooling cavity (24) and is connected with the inside of the cooling cavity (24).

2. The stamping die for automotive parts with easy replacement according to claim 1, characterized in that: The bottom of the L-shaped connecting plate (18) is connected with a slide rail fixed on the top of the strip-shaped connecting plate (20) through a sliding block.

3. The stamping die for automotive parts with easy replacement according to claim 1, characterized in that: Each through groove (34) is connected with a guide rod (19), and each guide rod (19) slidably penetrates the corresponding connecting rod (13).

4. The stamping die for automotive parts with easy replacement according to claim 1, characterized in that: The adjusting mechanism comprises a strip-shaped fixed plate (9) fixed on the top of the connecting rod (13), and the top of the strip-shaped fixed plate (9) is provided with a strip-shaped moving block (4), and one end of the strip-shaped moving block (4) is connected with the clamping plate (7). The guiding grooves (11) are arranged on both sides of the strip-shaped fixed plate (9), the L-shaped limiting blocks (33) are arranged on the bottom of each strip-shaped moving block (4), the bottom of each pair of L-shaped limiting blocks (33) extends into the corresponding guiding groove (11) and is in sliding connection with the guiding groove (11).

5. A stamping die for automotive parts that facilitates replacement, according to claim 4, characterized in that: The top of each strip-shaped moving block (4) is provided with an open groove (5), the top of the strip-shaped fixed plate (9) is vertically provided with the screw rod (3) near one end of the clamping plate (7), the top of the screw rod (3) penetrates through the corresponding open groove (5), and the bottom of the locking nut (8) is abutted against the top of the strip-shaped moving block (4).

6. A stamping die for automotive parts with easy replacement according to claim 1, characterized in that: The bottom of the heat dissipation cavity (28) is provided with at least one mounting hole (29), the fan (27) is mounted in the mounting hole (29), and a plurality of heat dissipation grooves (31) are arranged on one side of the heat dissipation cavity (28); The lower mold (10) and the upper mold (32) are provided with the ventilation grooves (35) on the side close to the mounting seat (1), the ventilation grooves (35) are located below the fan (27), and one side of the ventilation grooves (35) is in communication with the external environment through the air inlet groove (6).

7. A stamping die for automotive parts that facilitates replacement, according to claim 6, characterized in that: The heat dissipation grooves (31) are arranged opposite to the air inlet groove (6).

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