Stamping die pad for automobile parts

Abstract

The utility model discloses a kind of automobile parts stamping die-changing gasket, belong to automobile parts stamping technical field, including gasket main part, the side edge corner of gasket main part is equipped with forklift groove, the upper end of gasket main part is equipped with multiple groups of connecting groove, gasket main part is placed in the upper end of machine tool main part, the upper end of connecting groove is provided with mounting block fixing mechanism, gasket positioning mechanism is arranged between gasket main part and machine tool main part;The mounting block fixing mechanism includes T-shaped slider, the utility model is locked by setting mounting block fixing mechanism, mounting block is pre-fixed with mould bottom foot, after T-shaped slider is slid into along connecting groove, plug block is automatically popped into fixed hole under the action of spring, realize instantaneous locking;When disassembling, only need to unlock by poking L-shaped slider, without tool, single person completes dismounting, greatly shorten die-changing time;Plug block arc end face provides orientation, ensure that assembly is smooth, repeated positioning accuracy is high, satisfy frequent die-changing demand.

Description

Technical Field

[0001] This utility model belongs to the field of automotive parts stamping technology, specifically relating to an automotive parts stamping die change pad. Background Technology

[0002] In automotive parts stamping workshops, a single press line often needs to accommodate the processing requirements of various parts (such as doors, crossbeams, and reinforcements), and the corresponding dies vary significantly in terms of dimensions, weight, and mounting hole positions. To minimize downtime caused by die changes, the industry commonly uses "die-changing pads" as transitional tooling. This involves pre-locking the die onto the pad, then pushing the pad and die together onto the press table, enabling rapid die changes and significantly improving equipment utilization and production line flexibility.

[0003] However, the common method of combining the mold change plate with the mold still relies on traditional T-bolts and pressure plate structures. The connecting groove between the mounting block and the plate requires multiple manual alignments and manual tightening with multiple bolts, which is cumbersome, time-consuming, and prone to misalignment. Furthermore, the connection between the plate and the machine tool table relies solely on locating pins and manual visual calibration, lacking an effective two-way clamping and limiting mechanism. During high-speed stamping, the plate is prone to micron-level movement, which not only reduces the mold's repeatability and increases the scrap rate of parts, but also may cause scratches or wear on the press table over long-term use. Utility Model Content

[0004] To address the problems mentioned in the background art, this utility model provides a stamping die-changing pad for automotive parts, which aims to achieve rapid locking and releasing of the mounting block and the pad, and ensure that the pad has reliable and accurate positioning and fixation on the machine tool.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a stamping die-changing pad for automotive parts, comprising a pad body, a forklift groove provided at the side corner of the pad body, multiple sets of connecting grooves provided at the upper end of the pad body, the pad body being placed on the upper end of a machine tool body, a mounting block fixing mechanism being provided at the upper end of the connecting grooves, and a pad positioning mechanism being provided between the pad body and the machine tool body. The mounting block fixing mechanism includes a T-shaped slider, a T-shaped slider is slidably connected inside the connecting groove, a mounting block is provided at the upper end of the T-shaped slider, a fixing component is provided inside one side of the mounting block, and a fixing hole corresponding to the fixing component is opened inside one end of the connecting groove.

[0006] Preferably, the fixing component includes a mounting groove, one end of the mounting block has a mounting groove, a spring is provided inside the mounting groove, a limit plate is provided at the lower end of the spring, and an insert is provided at the lower end of the limit plate.

[0007] Preferably, the fixing component further includes an L-shaped slider, with an L-shaped slider provided on the upper side of the limiting plate, and a groove corresponding to the L-shaped slider being opened inside the mounting block.

[0008] Preferably, one side of the insert block near the edge of the mounting block is configured as an arc-shaped structure.

[0009] Preferably, the pad positioning mechanism includes a bidirectional lead screw, which is rotatably connected to the side of the machine tool body. Two sets of nut blocks are symmetrically arranged on the surface of the bidirectional lead screw. A positioning block is provided at the upper end of the nut blocks. A bevel gear two is fixed to one end of the bidirectional lead screw. A bevel gear one is meshed with the side of the bevel gear two. A rotating rod is provided on the side of the bevel gear one. A throttle is provided at the other end of the rotating rod. A positioning groove corresponding to the positioning block is opened on the lower side of the pad body.

[0010] Preferably, a fastening nut is threaded onto one end of the rotating rod, and an external thread corresponding to the fastening nut is provided on one end of the rotating rod.

[0011] Preferably, both ends of the bidirectional lead screw are rotatably connected to the machine tool body via bearings, and the outer side of the positioning block is provided with anti-slip texture.

[0012] Compared with the prior art, the beneficial effects of this utility model are: 1. This utility model features a mounting block fixing mechanism. The mounting block is pre-locked to the mold base. After the T-shaped slider slides into the connecting groove, the insert block automatically springs into the fixing hole under the action of the spring, achieving instantaneous locking. During disassembly, only the L-shaped slider needs to be moved to unlock it. No tools are required, and one person can complete the disassembly and assembly, greatly shortening the mold change time. The arc-shaped end face of the insert block provides guidance to ensure smooth assembly and high repeatability positioning accuracy, meeting the needs of frequent mold changes.

[0013] 2. This utility model features a pad positioning mechanism. Rotating the throttle drives the bevel gear pair to rotate, and the bidirectional lead screw synchronously moves the two positioning blocks towards each other, quickly clamping the pad's main positioning groove. Anti-slip textures increase friction, preventing the pad from shifting during high-speed stamping. After positioning, tightening the locking nut achieves self-locking, preventing the mechanism from loosening due to vibration. The entire positioning and locking process can be completed within thirty seconds, ensuring the mold's repeatability and improving the yield rate of stamped parts. Attached Figure Description

[0014] Figure 1 This is a perspective view of the present utility model; Figure 2 This is a perspective view of the mounting block fixing mechanism of this utility model; Figure 3 This is an enlarged view of the fixing component of this utility model; Figure 4 This is a perspective view of the pad positioning mechanism of this utility model; Figure 5 This is an enlarged view of the pad positioning mechanism of this utility model; Figure 6 This is a perspective view of the position of the bevel gear of this utility model; In the diagram: 1. Main body of the pad; 2. Pad positioning mechanism; 21. Fastening nut; 22. Anti-slip texture; 23. Two-way lead screw; 24. Nut block; 25. Positioning block; 26. Positioning groove; 27. Bevel gear two; 28. Bevel gear one; 29. ​​Throttle; 210. Rotating rod; 3. Machine tool body; 4. Mounting block fixing mechanism; 41. Mounting block; 42. T-shaped slider; 43. Fixing component; 431. Spring; 432. Limiting plate; 433. Insert block; 434. L-shaped slider; 435. Slide groove; 436. Mounting groove; 44. Fixing hole; 5. Connecting groove; 6. Forklift groove. Detailed Implementation

[0015] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Example 1: Please see Figure 1-6 The present invention provides the following technical solution: a stamping die changing pad for automotive parts, including a pad body 1, a forklift groove 6 is provided at the side corner of the pad body 1, a plurality of connecting grooves 5 are provided at the upper end of the pad body 1, the pad body 1 is placed on the upper end of the machine tool body 3, an installation block fixing mechanism 4 is provided at the upper end of the connecting groove 5, and a pad positioning mechanism 2 is provided between the pad body 1 and the machine tool body 3; The mounting block fixing mechanism 4 includes a T-shaped slider 42, which is slidably connected inside the connecting groove 5. A mounting block 41 is provided at the upper end of the T-shaped slider 42, and a fixing component 43 is provided inside one side of the mounting block 41. A fixing hole 44 corresponding to the fixing component 43 is opened inside one end of the connecting groove 5.

[0017] Specifically, the fixing component 43 includes a mounting groove 436. One end of the mounting block 41 has a mounting groove 436 inside. A spring 431 is installed inside the mounting groove 436. A limit plate 432 is installed at the lower end of the spring 431, and an insert block 433 is installed at the lower end of the limit plate 432. By adopting the above technical solution, during installation, pulling the L-shaped slider 434 upwards compresses the spring 431 via the limit plate 432, causing the insert block 433 to retract into the mounting groove 436. After the T-shaped slider 42 is pushed into the connecting groove 5 and released, the spring 431 returns to its original position, and the insert block 433 is inserted into the fixing hole 44, completing the locking process. Disassembly is performed in reverse, achieving disassembly and assembly within seconds.

[0018] Specifically, the fixing component 43 also includes an L-shaped slider 434. The upper side of the limiting plate 432 is provided with an L-shaped slider 434, and the mounting block 41 has a corresponding groove 435 inside. By adopting the above technical solution, the L-shaped slider 434 moves up and down along the groove 435, thereby ensuring that the limiting plate 432 and the insertion block 433 move in a straight line and avoiding deviation and jamming; at the same time, the L-shaped head is exposed, which makes it easy to move directly with your fingers without the need for tools.

[0019] Specifically, one side of the insert block 433 near the edge of the mounting block 41 is designed with an arc shape. By adopting the above technical solution, the arc-shaped guide surface can contact the opening of the connecting groove 5 in the initial stage of pushing the T-shaped slider 42 in, automatically pressing the insert block 433 back into the mounting groove 436, eliminating the need for manual lifting and further improving assembly efficiency.

[0020] In this embodiment, the mold base is first secured to the mounting block 41 with bolts. Then, the T-shaped slider 42 is aligned with the connecting groove 5 and pushed in. During this process, the insert block 433, resisted by the side wall of the connecting groove 5, automatically compresses the spring and retracts into the mounting groove 436. When the T-shaped slider 42 slides to the set position, i.e., when the fixing hole 44 aligns with the insert block 433, the spring 431 releases its elastic force, driving the insert block 433 to quickly spring into the fixing hole 44, thereby locking the mounting block 41 to the pad body 1, completing the mold fixation. For disassembly, simply push the L-shaped slider 434 upwards, causing the limiting plate 432 to move upwards against the elastic force of the spring 431, allowing the insert block 433 to exit the fixing hole 44. Then, the mold, along with the mounting block 41 and the T-shaped slider 42, can be pulled out of the connecting groove 5 as a whole. This process requires no tools and can be completed by a single person, achieving convenient and efficient operation.

[0021] Example 2: The difference between this embodiment and Embodiment 1 is that the pad positioning mechanism 2 includes a bidirectional lead screw 23. The bidirectional lead screw 23 is rotatably connected to the side of the machine tool body 3. Two sets of nut blocks 24 are symmetrically arranged on the surface of the bidirectional lead screw 23. A positioning block 25 is provided at the upper end of each nut block 24. A bevel gear 27 is fixed to one end of the bidirectional lead screw 23. A bevel gear 28 is meshed with the side of the bevel gear 27. A rotating rod 210 is provided on the side of the bevel gear 28. A throttle 29 is provided at the other end of the rotating rod 210. A positioning groove 26 corresponding to the positioning block 25 is provided on the lower side of the pad body 1. By adopting the above technical solution, rotating the throttle 29 drives the bevel gear 28 to rotate via the rotating rod 210, thereby driving the bevel gear 27 meshing with it to rotate synchronously with the bidirectional lead screw 23. The two sets of nut blocks 24 drive the positioning blocks 25 to move simultaneously in opposite directions, clamping or releasing the positioning groove 26, thus completing the rapid centering of the pad body 1.

[0022] Specifically, a fastening nut 21 is threaded onto one end of the rotating rod 210, and an external thread corresponding to the fastening nut 21 is provided on the surface of one end of the rotating rod 210. By adopting the above technical solution, after positioning, the fastening nut 21 is tightened to press against the side wall of the machine tool body 3, preventing the rotating rod 210 from rotating due to vibration and ensuring that the positioning block 25 always maintains clamping force.

[0023] Specifically, both ends of the bidirectional lead screw 23 are rotatably connected to the machine tool body 3 via bearings, and the outer side of the positioning block 25 is provided with anti-slip texture 22. By adopting the above technical solution, the bearing support ensures smooth rotation of the lead screw, and the anti-slip texture 22 increases the friction coefficient of the contact surface between the positioning block 25 and the positioning groove 26, preventing slight movement of the pad body 1 during high-speed stamping.

[0024] In this embodiment, when in use, the pad body 1 is hoisted onto the table of the machine tool body 3, the throttle 29 is turned, the two positioning blocks 25 extend synchronously and insert into the positioning slots 26, and the rotation continues until the resistance is obvious. Then the fastening nut 21 is tightened and the pad body is locked. When changing the mold, the throttle 29 is rotated in the opposite direction to retract the positioning blocks 25, and the pad can be moved away as a whole by a forklift. The whole process takes no more than 30 seconds.

[0025] The working principle and usage process of this utility model are as follows: First, use a forklift to insert into the forklift slot 6 and transport the pad body 1 to the table of the machine tool body 3. After it is placed in place, rotate the throttle 29. The first bevel gear 28 drives the second bevel gear 27, causing the bidirectional lead screw 23 to rotate. The two nut blocks 24 drive the positioning block 25 to extend outward synchronously, insert into the positioning slot 26 and clamp it. Then tighten the fastening nut 21 to prevent loosening.

[0026] Then, the mold is pre-connected to the mounting block 41, the T-shaped slider 42 is pushed into the connecting groove 5, and the insert block 433 automatically pops into the fixing hole 44 to complete the mold locking.

[0027] During the stamping process, the anti-slip texture 22 and the positioning groove 26 fit tightly together, and the pad body 1 does not move.

[0028] When changing molds, push the L-shaped slider 434 upwards to disengage the insert block 433 from the fixing hole 44, allowing the mold and mounting block 41 to be pulled out as a whole. Then, rotate the handle 29 in the opposite direction to retract the positioning blocks 25 on both sides from the positioning grooves 26, and the pad body 1 can be transported away by forklift.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A stamping die-changing pad for automotive parts, comprising a pad body (1), wherein a forklift groove (6) is provided at the side corner of the pad body (1), and multiple sets of connecting grooves (5) are provided at the upper end of the pad body (1), and the pad body (1) is placed on the upper end of a machine tool body (3), characterized in that: The upper end of the connecting groove (5) is provided with a mounting block fixing mechanism (4), and a pad positioning mechanism (2) is provided between the pad body (1) and the machine tool body (3). The mounting block fixing mechanism (4) includes a T-shaped slider (42), the T-shaped slider (42) is slidably connected inside the connecting groove (5), the upper end of the T-shaped slider (42) is provided with a mounting block (41), a fixing component (43) is provided inside one side of the mounting block (41), and a fixing hole (44) corresponding to the fixing component (43) is opened inside one end of the connecting groove (5).

2. The stamping die-changing pad for automotive parts according to claim 1, characterized in that: The fixing component (43) includes a mounting groove (436). The mounting groove (436) is provided inside one end of the mounting block (41). A spring (431) is provided inside the mounting groove (436). A limit plate (432) is provided at the lower end of the spring (431). An insert (433) is provided at the lower end of the limit plate (432).

3. The stamping die-changing pad for automotive parts according to claim 2, characterized in that: The fixing component (43) also includes an L-shaped slider (434), and the upper side of the limiting plate (432) is provided with an L-shaped slider (434). The mounting block (41) has a groove (435) corresponding to the L-shaped slider (434) inside.

4. The stamping die-changing pad for automotive parts according to claim 2, characterized in that: The side of the insert (433) near the edge of the mounting block (41) is set in an arc shape.

5. The stamping die-changing pad for automotive parts according to claim 1, characterized in that: The pad positioning mechanism (2) includes a two-way lead screw (23). The two-way lead screw (23) is rotatably connected to the side of the machine tool body (3). Two sets of nut blocks (24) are symmetrically arranged on the surface of the two-way lead screw (23). A positioning block (25) is provided at the upper end of the nut block (24). A bevel gear two (27) is fixed on the surface of one end of the two-way lead screw (23). A bevel gear one (28) is meshed on the side of the bevel gear two (27). A rotating rod (210) is provided on the side of the bevel gear one (28). A throttle (29) is provided at the other end of the rotating rod (210). A positioning groove (26) corresponding to the positioning block (25) is opened on the lower side of the pad body (1).

6. The stamping die-changing pad for automotive parts according to claim 5, characterized in that: One end of the rotating rod (210) is threaded with a fastening nut (21), and the other end of the rotating rod (210) is provided with an external thread corresponding to the fastening nut (21).

7. The stamping die-changing pad for automotive parts according to claim 5, characterized in that: Both ends of the bidirectional lead screw (23) are rotatably connected to the machine tool body (3) through bearings, and the outer side of the positioning block (25) is provided with anti-slip texture (22).

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