Automobile fastener stamping die

Abstract

The utility model discloses an automobile fastener stamping die which comprises a machine base, the top end of the machine base is rotationally connected with an installation roller, and an electric rotating assembly is jointly installed between the installation roller and the machine base. The outer surface of the mounting roller is fixedly connected with three sockets with holes, the outer surfaces of the three sockets with holes are fixedly sleeved with stamping lower dies in a sealed mode, the inner sides of the three stamping lower dies are provided with hollow-square-shaped cavities, and the edge of the die cavity of each stamping lower die is fixedly connected with two suction cups in an embedded mode. According to the utility model, through the innovative rotary three-station integrated design, the problem of space utilization rate of a traditional annular layout mold is effectively solved. The core improvement of the punching machine is as follows: 1) the mounting roller is used as a rotating carrier, the three punching lower dies are distributed in a 120-degree circumference, and station switching is realized through the electric rotating assembly, so that the occupied area of the equipment is reduced by more than 40%, and the punching machine is perfectly matched with a compact production line layout;

Description

TECHNICAL FIELD

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

[0002] Punch die, also known as punch, hardware die or hardware punch die, is a special process equipment used in cold stamping. It exerts pressure on metal or non-metal plates through the die fixed on the punch or press, causing the material to separate or plastically deform, thereby obtaining the desired shape, size and performance of parts or semi-finished products.

[0003] Currently, some automobile fasteners need to use punch dies for auxiliary processing during processing.

[0004] The prior art discloses a punch die for automobile fasteners, which comprises a bearing assembly, a clamping assembly and a punching assembly. The bearing assembly comprises a first bearing plate, and the first bearing plate is provided with a feeding station, a punching station and a discharging station on the top. The clamping assembly is provided with three groups, and the clamping assemblies are installed on the top of the feeding station, the punching station and the discharging station, respectively.

[0005] The punch die can realize continuous punching, but there is a significant problem of space utilization. Due to the three-station ring layout design, the equipment occupies a large area, which is a significant defect in modern compact production lines. UTILITY MODEL CONTENT

[0006] The utility model is proposed to solve the shortcomings in the prior art and provides a punch die for automobile fasteners.

[0007] To achieve the above purpose, the utility model adopts the following technical scheme: a punch die for automobile fasteners, comprising a machine base, a mounting roller is rotatably connected to the top end of the machine base, and an electric rotating assembly is jointly installed between the mounting roller and the machine base.

[0008] The outer surface of the mounting roller is fixedly connected with three hole sockets, and the outer surface of each hole socket is sealingly fixed with a punch lower die. The inner side of each punch lower die is provided with a back cavity, and the cavity edge of each punch lower die is fixedly embedded with two suction cups. A vacuum pumping assembly is jointly installed between the mounting roller and the machine base.

[0009] Each punch lower die is provided with an ejection assembly.

[0010] The top of the machine base is fixedly provided with a hydraulic lifting assembly, the movable end of the hydraulic lifting assembly is fixedly provided with a punch upper die, and the punch upper die is matched with the punch lower die.

[0011] Furthermore, the electric rotating assembly includes two meshing gears and a motor. The motor is fixedly mounted on one side of the machine base, and the two gears are respectively fixedly connected to the end of the mounting roller and the output shaft of the motor. The gear transmission structure is simple and reliable, and with the motor control, high-precision positioning can be achieved to ensure the consistency of the stamping position.

[0012] Furthermore, the three cavities are respectively connected to the holes of the adjacent sockets with holes, and the six suction cups are respectively connected to the adjacent cavities with holes. The outer surface of the three stamping dies is provided with a limiting groove that matches the socket with holes. The setting of the limiting groove facilitates the connection between the stamping die and the socket with holes.

[0013] Furthermore, the vacuum assembly includes a vacuum pump, which is fixedly installed on the inner wall of one side of the base. A fixed pipe is fixedly connected to the input end of the vacuum pump, and a rotary joint is fixedly connected to the other end of the fixed pipe. The rotary joint is fixedly connected to the mounting roller, and a support frame is fixedly connected to the movable end of the rotary joint and the base. The support frame supports the rotary joint and facilitates its installation.

[0014] Furthermore, the vacuum assembly also includes three three-way solenoid valves, which are fixedly embedded inside the mounting roller. One of the three-way solenoid valves is connected to the inner cavity of the mounting roller, another is connected to the hole of the socket with holes, and the remaining one is fixedly connected to an air inlet pipe. The air inlet pipe passes through the mounting roller and is fixedly connected to the mounting roller. The three-way solenoid valve can control whether the hole of the socket with holes is connected to the air inlet pipe or to the mounting roller.

[0015] Furthermore, each of the three ejection assemblies includes two springs, which are fixedly installed inside the lower die. The other ends of the two springs are fixedly connected to an ejector rod, which extends through the interior of the lower die into the die cavity and is slidably connected to the lower die. The springs facilitate the return of the ejector rod.

[0016] Furthermore, the hydraulic lifting assembly includes four guide rods, which are fixedly installed on the top of the machine base. A top plate is fixedly connected to the top of the four guide rods. A hydraulic cylinder is fixedly installed on the top of the top plate. The movable end of the hydraulic cylinder passes through the top plate and is fixedly connected to a movable seat. The movable seat is slidably sleeved on the outer surface of the four guide rods and fixedly connected to the upper stamping die. The guide rods have a limiting function, which can ensure the stability of the movement of the movable seat.

[0017] Furthermore, the outer surfaces of the three stamping dies are all fitted with support seats, and the support seats are fixedly connected to the mounting rollers. The support seats can increase the stability of the connection between the stamping dies and the mounting rollers.

[0018] The beneficial effects of this utility model are:

[0019] This utility model, an automotive fastener stamping die, effectively solves the space utilization problem of traditional ring-shaped die layouts through an innovative rotary three-station integrated design. Its core improvements are: 1) Using mounting rollers as the rotating carrier, the three stamping dies are distributed in a 120° circle, and station switching is achieved through an electric rotating component, reducing the equipment footprint by more than 40%, perfectly adapting to compact production line layouts; 2) A unique vacuum adsorption system, in conjunction with a rotary joint, maintains stable adsorption while the rollers are rotating, solving the problem of fixing parts in moving stations; 3) The linkage design of the ejection component and the vacuum system achieves automatic unloading while maintaining structural compactness. Compared to the planar ring layout of prior art document CN222175566U, this solution, while maintaining the advantages of continuous three-station operation, achieves a core breakthrough of "high integration and small footprint" through three-dimensional space optimization, making it particularly suitable for space-constrained scenarios in the mass production of automotive fasteners. Attached Figure Description

[0020] To more clearly illustrate the technical solution of this utility model, the drawings used in the description of the specific embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0021] Fig. 1 : A first-view structural diagram of the present invention;

[0022] Fig. 2 : Overall second-view structural diagram of this utility model;

[0023] Fig. 3 : A three-dimensional view of the stamping die of this utility model;

[0024] Fig. 4 : A partial sectional view of this utility model.

[0025] The attached figures are labeled as follows:

[0026] 1. Base; 2. Guide rod; 3. Lower stamping die; 4. Motor; 5. Gear; 6. Movable seat; 7. Top plate; 8. Hydraulic cylinder; 9. Ejector rod; 10. Mounting roller; 11. Support base; 12. Vacuum pump; 13. Upper stamping die; 14. Support frame; 15. Rotary joint; 16. Fixing pipe; 17. Suction cup; 18. Limiting groove; 19. Three-way solenoid valve; 20. Air inlet pipe; 21. Socket with hole; 22. Spring; 23. Return cavity. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0028] like Figs. 1 to 4 As shown, a stamping die for automotive fasteners is disclosed, comprising a base 1, with a mounting roller 10 rotatably connected to the top of the base 1. The mounting roller 10 is connected to the base 1 via a bearing, with the inner ring of the bearing fixedly connected to the mounting roller 10 and the outer ring of the bearing fixedly connected to the base 1. An electric rotating assembly is mounted between the mounting roller 10 and the base 1. The electric rotating assembly includes two meshing gears 5 and a motor 4, with the motor 4 fixedly mounted on one side of the base 1. The two gears 5 are respectively fixedly connected to the end of the mounting roller 10 and the output shaft of the motor 4.

[0029] Three perforated sockets 21 are fixedly connected to the outer surface of the mounting roller 10. The outer surfaces of the three perforated sockets 21 are all sealed and fixedly fitted with stamping dies 3. The perforated sockets 21 and the stamping dies 3 are fixed with bolts for easy replacement. One side of the outer surface of the three stamping dies 3 is provided with a limiting groove 18 that matches the perforated socket 21. A sealing gasket is fixedly connected to the inner wall of the limiting groove 18 to ensure the sealing of the connection between the limiting groove 18 and the perforated socket 21.

[0030] Each of the three stamping dies 3 has a return cavity 23 on its inner side. The three return cavities 23 are respectively connected to the holes of the adjacent sockets 21 with holes. Two suction cups 17 are fixedly embedded on the edge of the cavity of each stamping die 3. The six suction cups 17 are respectively connected to the adjacent return cavities 23. A vacuum assembly is installed between the mounting roller 10 and the machine base 1. The vacuum assembly includes a vacuum pump 12, which is fixedly installed on the inner wall of one side of the machine base 1. A fixed pipe 16 is fixedly connected to the input end of the vacuum pump 12, and a rotary joint is fixedly connected to the other end of the fixed pipe 16. 15, and the rotary joint 15 is fixedly connected to the mounting roller 10. The movable end of the rotary joint 15 is fixedly connected to the base 1 with a support frame 14. The vacuum assembly also includes three three-way solenoid valves 19, and the three-way solenoid valves 19 are fixedly embedded inside the mounting roller 10. One of the interfaces of the three-way solenoid valves 19 is connected to the inner cavity of the mounting roller 10, another interface is connected to the hole of the socket 21 with a hole, and the remaining interface is fixedly connected to the air inlet pipe 20. The air inlet pipe 20 passes through the mounting roller 10 and is fixedly connected to the mounting roller 10.

[0031] All three stamping dies 3 are equipped with ejection assemblies. Each ejection assembly includes two springs 22, which are fixedly installed inside the stamping die 3. The other ends of the two springs 22 are fixedly connected to an ejector rod 9, which extends through the interior of the stamping die 3 into the mold cavity and is slidably connected to the stamping die 3. The springs 22 and the ejector rod 9 cooperate to push the fastening parts to reset after stamping.

[0032] A hydraulic lifting assembly is fixedly installed on the top of the machine base 1. A stamping upper die 13 is fixedly installed on the movable end of the hydraulic lifting assembly, and the stamping upper die 13 matches the stamping lower die 3. The hydraulic lifting assembly includes four guide rods 2, and the guide rods 2 are fixedly installed on the top of the machine base 1. A top plate 7 is fixedly connected to the top of the four guide rods 2. A hydraulic cylinder 8 is fixedly installed on the top of the top plate 7. A movable seat 6 is set and fixedly connected through the movable end of the hydraulic cylinder 8 through the top plate 7. The movable seat 6 is slidably sleeved on the outer surface of the four guide rods 2 and fixedly connected to the stamping upper die 13. The movable seat 6 is fixed to the stamping upper die 13 by bolts, which facilitates the replacement of the stamping upper die 13.

[0033] The outer surfaces of the three stamping dies 3 are all fitted with support seats 11, and the support seats 11 are fixedly connected to the mounting rollers 10.

[0034] Working principle: During operation, when the lower die 3 is in the loading position, the fastening parts are placed on the edge of the die cavity of the lower die 3. The corresponding three-way solenoid valve 19 is activated, and the hole of the corresponding socket 21 with holes is connected to the inner cavity of the mounting roller 10. At this time, the vacuum pump 12 uses the fixed pipe 16, rotary joint 15, mounting roller 10, corresponding three-way solenoid valve 19, corresponding socket 21 with holes, and corresponding return cavity 23 to perform vacuum treatment on the two suction cups 17, adsorbing and fixing the fastening parts. After the fastener in the processing position is stamped, the motor 4 is activated, and the motor 4 drives the gear 5 connected to it to rotate. Then, the other gear 5 drives the mounting roller 10 to rotate at a preset angle, fixing the stamping parts with fastening connections. The lower die 3 moves directly below the upper die 13. Then, the corresponding three-way solenoid valve 19 switches the connection pipeline, allowing gas to enter the hole of the corresponding socket 21 through the air inlet pipe 20, and then enter the return cavity 23 and suction cup 17 to release the suction fixation of the fastening parts. Then, the hydraulic cylinder 8 runs, pushing the movable seat 6 and the upper die 13 to descend. The upper die 13 and the lower die 3 cooperate to stamp and shape the fastening parts. Then, the upper die 13 resets, and the ejector rod 9 resets under the action of the spring 22, lifting the fastening parts. Then, the electric rotating assembly drives the mounting roller 10 to rotate at a set angle, and then the fastening parts fall under the action of gravity. A receiving frame or other components can be placed to receive the fastening parts that have fallen from the mold.

[0035] It should be noted that, in actual use, an existing PLC controller can be added. The PLC controller is electrically connected to each electrical component to facilitate overall control. The specific data analysis and processing involved to further realize the control function are methods that can be implemented by those skilled in the art based on common knowledge. These methods are not within the scope of this solution. The above description is merely to illustrate the beneficial effects that this hardware structure improvement can achieve, based on common knowledge.

[0036] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to any specific implementation. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A stamping die for automotive fasteners, comprising a base (1), characterized in that: The top of the base (1) is rotatably connected to an installation roller (10), and an electric rotating assembly is installed between the installation roller (10) and the base (1). The outer surface of the mounting roller (10) is fixedly connected to three sockets with holes (21). The outer surfaces of the three sockets with holes (21) are all sealed and fixedly fitted with stamping dies (3). The inner sides of the three stamping dies (3) are all provided with return cavities (23). The edge of the cavity of each stamping die (3) is fixedly embedded with two suction cups (17). A vacuum assembly is installed between the mounting roller (10) and the base (1). All three of the stamping dies (3) are equipped with ejection assemblies; A hydraulic lifting assembly is fixedly installed on the top of the base (1), and a stamping upper die (13) is fixedly installed on the movable end of the hydraulic lifting assembly, and the stamping upper die (13) matches the stamping lower die (3).

2. The automotive fastener stamping die according to claim 1, characterized in that: The electric rotating assembly includes two meshing gears (5) and a motor (4), with the motor (4) fixedly mounted on one side of the base (1), and the two gears (5) fixedly connected to the end of the mounting roller (10) and the output shaft of the motor (4), respectively.

3. The automotive fastener stamping die according to claim 1, characterized in that: The three cavities (23) are connected to the holes of the adjacent sockets (21), the six suction cups (17) are connected to the adjacent cavities (23), and the outer surface of the three stamping dies (3) is provided with a limiting groove (18) that matches the sockets (21).

4. The automotive fastener stamping die according to claim 1, characterized in that: The vacuum assembly includes a vacuum pump (12), which is fixedly installed on the inner wall of one side of the base (1). The input end of the vacuum pump (12) is fixedly connected to a fixed pipe (16), and the other end of the fixed pipe (16) is fixedly connected to a rotary joint (15). The rotary joint (15) is fixedly connected to the mounting roller (10), and the movable end of the rotary joint (15) is fixedly connected to the base (1) with a support frame (14).

5. The automotive fastener stamping die according to claim 4, characterized in that: The vacuum assembly also includes three three-way solenoid valves (19), and the three-way solenoid valves (19) are fixedly embedded inside the mounting roller (10). One of the interfaces of the three-way solenoid valves (19) is connected to the inner cavity of the mounting roller (10), another interface is connected to the hole of the socket (21), and the remaining interface is fixedly connected to the air inlet pipe (20). The air inlet pipe (20) passes through the mounting roller (10) and is fixedly connected to the mounting roller (10).

6. The automotive fastener stamping die according to claim 1, characterized in that: Each of the three ejection assemblies includes two springs (22), and the springs (22) are fixedly installed inside the lower die (3). The other ends of the two springs (22) are fixedly connected to a push rod (9), and the push rod (9) extends through the interior of the lower die (3) into the mold cavity and is slidably connected to the lower die (3).

7. The automotive fastener stamping die according to claim 1, characterized in that: The hydraulic lifting assembly includes four guide rods (2), and the guide rods (2) are fixedly installed on the top of the base (1). The top of the four guide rods (2) is fixedly connected to a top plate (7). A hydraulic cylinder (8) is fixedly installed on the top of the top plate (7). The movable end of the hydraulic cylinder (8) passes through the top plate (7) and is fixedly connected to a movable seat (6). The movable seat (6) is slidably sleeved on the outer surface of the four guide rods (2) and fixedly connected to the upper stamping die (13).

8. The automotive fastener stamping die according to claim 1, characterized in that: The outer surfaces of the three stamping dies (3) are all fitted with support seats (11), and the support seats (11) are fixedly connected to the mounting rollers (10).

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