Quick-change die assembly

Abstract

This utility model relates to the field of riveting die technology and discloses a riveting die with a quick-change module. It includes an operating table, a stamping machine fixedly connected to the top of the operating table, an upper template fixedly connected inside the stamping machine, an upper die quick-change assembly installed inside the upper template, a lower die base installed in the middle of the operating table, a lower die quick-change assembly installed on the top of the lower die base, a lower die installed on the top of the lower die base, and a fixing assembly installed inside the lower die. The upper die quick-change assembly includes an upper die, which is installed inside the upper template. In this utility model, the upper die is installed quickly and securely using a spring, pin, and groove, ensuring no loosening during operation. The lower die is fully stabilized by a rotating handle, crossbar, and fixing shell, preventing lower die displacement from affecting accuracy. Die disassembly and replacement are performed in reverse order, significantly reducing time costs.

Description

Technical Field

[0001] This utility model relates to the field of riveting mold technology, and in particular to a riveting mold for quick-change modules. Background Technology

[0002] Riveting dies are specialized tools used in mechanical manufacturing to complete riveting operations. Their main function is to apply pressure to cause plastic deformation of the rivet or the riveted part, thereby achieving a fastening connection between parts. They are widely used in automobile manufacturing, electronic equipment, hardware processing, and other fields. Their function directly affects the accuracy and strength of the riveting, making them key equipment for ensuring product assembly quality.

[0003] Existing riveting dies have the advantages of high riveting accuracy and stable structure. The basic structure is mostly composed of an upper die base, a lower die base, a die cavity, a punch, and a guide assembly. The upper die base is connected to the pressure equipment to transmit pressure, while the lower die base provides support and positioning. The die cavity and punch are designed according to the shape of the part. The guide assembly ensures accurate alignment of the upper and lower dies through the cooperation of guide pillars and guide sleeves. Some dies are also equipped with locating pins to assist in fixing the workpiece.

[0004] However, existing riveting molds rely on bolts or screws for replacement, requiring individual disassembly and installation, which is cumbersome and time-consuming. When facing multi-variety, small-batch production, frequent module replacement will significantly reduce production efficiency and make it difficult to adapt to the needs of rapid production changeover. Therefore, a riveting mold with quick module changeover is proposed to solve the above problems. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a riveting mold for quick-change modules, aiming to improve the problem of cumbersome disassembly and installation processes in the prior art.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A riveting die for a quick-change module includes an operating table, a stamping machine fixedly connected to the top of the operating table, an upper template fixedly connected inside the stamping machine, an upper die quick-change assembly installed inside the upper template, a lower die base installed in the middle of the operating table, a lower die quick-change assembly installed on the top of the lower die base, a lower die installed on the top of the lower die base, and a fixing assembly installed inside the lower die.

[0008] The upper mold quick-change assembly includes an upper mold, which is installed inside the upper template. The upper template has a T-slot and a groove inside, and the upper mold is located inside the T-slot and the groove. Both ends of the upper mold have circular grooves. Two pins are slidably connected inside the upper template. The pins are engaged inside the circular grooves. Springs are sleeved on the outer sides of the two pins. A pull rod is fixedly connected to the top of the pins.

[0009] As a further description of the above technical solution:

[0010] The fixing component includes two connecting shafts, which are slidably connected to the outside of the lower mold. A spring is sleeved on the outside of the connecting shaft, and a fixing half-ring is fixedly connected to one end of the connecting shaft.

[0011] As a further description of the above technical solution:

[0012] The lower mold quick-change assembly includes a blocking block, which is slidably connected inside the operating table. A fixed shell is fixedly connected to the top of the lower mold base. A connecting rod is installed inside the blocking block. A spring is sleeved on the outside of the connecting rod. A crossbar is fixedly connected to one end of the connecting rod. The crossbar is snapped into the inside of the fixed shell.

[0013] As a further description of the above technical solution:

[0014] A sleeve is fixedly connected to the top of the upper template, and a round rod is slidably connected inside the sleeve. The top of the round rod is fixedly connected to the bottom of the pull rod, and a screw is threaded inside the sleeve.

[0015] As a further description of the above technical solution:

[0016] The top of the lower mold is fixedly connected to multiple guide rods, and the upper mold plate is slidably connected to the outside of the multiple guide rods;

[0017] As a further description of the above technical solution:

[0018] A handle is fixedly connected to one end of the connecting shaft. The handle is located on the outside of the lower mold. A trapezoidal slider is fixedly connected to the bottom of the lower mold. A trapezoidal groove is opened on the top of the lower mold base. The trapezoidal slider is slidably connected inside the trapezoidal groove.

[0019] As a further description of the above technical solution:

[0020] A rotating handle is fixedly connected to the end of the connecting rod away from the crossbar, and the rotating handle is located on the outside of the blocking block;

[0021] As a further description of the above technical solution:

[0022] The top of the operating table is provided with a sliding groove, and the blocking block is slidably connected inside the sliding groove.

[0023] This utility model has the following beneficial effects:

[0024] 1. In this utility model, when installing the upper mold, the use of springs, pins, and circular grooves ensures quick installation and fixation, preventing detachment or loosening during subsequent work. When installing the lower mold, the use of a rotating handle, crossbar, and fixing shell provides sufficient stability to the lower mold base, effectively preventing operational accuracy issues caused by lower mold base displacement. Furthermore, disassembly and replacement are simple, requiring only the reverse of the installation steps, significantly reducing mold replacement time costs.

[0025] 2. In this utility model, when placing the workpiece to be riveted, the workpiece is firmly fixed inside the fixed half ring by the fixing component, which can meet the riveting requirements of workpieces of different specifications. When facing workpieces of different specifications, there is no need to disassemble and install the fixing component multiple times, which reduces the cumbersomeness of operation and avoids the wear and tear of components caused by frequent disassembly and assembly, thus significantly improving the overall work efficiency. Attached Figure Description

[0026] Figure 1 This is a three-dimensional schematic diagram of a riveting mold for a quick-change module proposed in this utility model;

[0027] Figure 2 This is a structural schematic diagram of the upper mold quick-change assembly of the riveting mold of the quick-change module proposed in this utility model;

[0028] Figure 3 This is a structural schematic diagram of the lower die quick-change component of a riveting die for a quick-change module proposed in this utility model.

[0029] Figure 4 An exploded view of the screws in the riveting die of a quick-change module proposed in this utility model;

[0030] Figure 5 This is a schematic diagram of the lower die base of a riveting die for a quick-change module proposed in this utility model;

[0031] Figure 6 This is a cross-sectional schematic diagram of the fixing component of the riveting mold for a quick-change module proposed in this utility model;

[0032] Figure 7 This is a schematic diagram of the upper mold of a riveting mold for a quick-change module proposed in this utility model;

[0033] Figure 8 This is a schematic diagram of the fixed shell of the riveting mold for a quick-change module proposed in this utility model.

[0034] Legend:

[0035] 1. Operating table; 2. Stamping machine; 3. Upper template; 4. Guide rod; 5. T-slot; 6. Tie rod; 7. Slide groove one; 8. Blocking block; 9. Rotary handle; 10. Circular groove; 11. Spring one; 12. Connecting rod; 13. Crossbar; 14. Fixed shell; 15. Lower mold base; 16. Pin; 17. Upper mold; 18. Trapezoidal slider; 19. Spring two; 20. Round rod; 21. Sleeve; 22. Screw; 23. Groove; 24. Lower mold; 25. Fixed half ring; 26. Handle; 27. Connecting shaft; 28. Spring three; 29. ​​Trapezoidal groove. Detailed Implementation

[0036] 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.

[0037] Reference Figure 1 , Figure 2 , Figure 4 and Figure 7 An embodiment of this utility model provides a quick-change module riveting mold, including an operating table 1, a punching machine 2 fixedly connected to the top of the operating table 1, an upper template 3 fixedly connected inside the punching machine 2, an upper mold quick-change assembly installed inside the upper template 3, a lower mold base 15 installed in the middle of the operating table 1, a lower mold quick-change assembly installed on the top of the lower mold base 15, a lower mold 24 installed on the top of the lower mold base 15, and a fixing assembly installed inside the lower mold 24;

[0038] The quick-change upper mold assembly includes an upper mold 17, which is installed inside the upper template 3. The upper template 3 has a T-slot 5 and a recess 23 inside. The upper mold 17 is positioned inside the T-slot 5 and the recess 23. When installing the upper mold 17, it must first be aligned with the T-slot 5 and then pushed in along the T-slot 5. When it reaches the recess 23, rotating the upper mold 17 allows it to fit snugly inside the recess 23. Both ends of the upper mold 17 have circular grooves 10. Two pins 16 are slidably connected inside the upper template 3, and the pins 16 are engaged inside the circular grooves 10 to fix the upper mold 17. Springs 19 are fitted onto the outer sides of both pins 16. A tie rod 6 is fixedly connected to the top of the upper mold plate 3, and a sleeve 21 is fixedly connected to the top of the upper mold plate 3. A round rod 20 is slidably connected inside the sleeve 21. The top of the round rod 20 is fixedly connected to the bottom of the tie rod 6. A screw 22 is threaded inside the sleeve 21. Rotating the screw 22 allows the round rod 20 and the sleeve 21 to move freely. Conversely, rotating the screw 22 in the opposite direction will hold the round rod 20 in place, thus fixing the two together. Multiple guide rods 4 are fixedly connected to the top of the lower mold plate 24. The upper mold plate 3 is slidably connected to the outside of the multiple guide rods 4. When the press 2 drives the upper mold plate 3 to perform the stamping operation, the guide rods 4 can guide the movement of the upper mold plate 3 to ensure the accuracy of the stamping.

[0039] Reference Figure 1 , Figure 3 and Figure 8 The quick-change lower mold assembly includes a blocking block 8, which is slidably connected inside the operating table 1. After the lower mold 24 is installed in the appropriate position, pushing the blocking block 8 can fix the lower mold 24, preventing it from moving. A fixed shell 14 is fixedly connected to the top of the lower mold base 15. A connecting rod 12 is installed inside the blocking block 8, and a spring 11 is sleeved on the outside of the connecting rod 12. A crossbar 13 is fixedly connected to one end of the connecting rod 12. The crossbar 13 is engaged inside the fixed shell 14. When the rotating handle 9 is pressed, the crossbar 13 can be squeezed into the fixed shell 14. Rotating the rotating handle 9 can make the crossbar 13 just lock, realizing the re-processing of the lower mold 24. The bottom of the lower mold 24 is fixedly connected to a trapezoidal slider 18, and the top of the lower mold base 15 is provided with a trapezoidal groove 29. The trapezoidal slider 18 is slidably connected inside the trapezoidal groove 29. The end of the connecting rod 12 away from the crossbar 13 is fixedly connected to a rotating handle 9. The rotating handle 9 is located outside the blocking block 8. First, press the rotating handle 9 to squeeze the crossbar 13 into the fixed shell 14, and then rotate the rotating handle 9 to lock the crossbar 13. Disassembly can be performed by reversing the operation. The top of the operating table 1 is provided with a sliding groove 7. The blocking block 8 is slidably connected inside the sliding groove 7. The sliding groove 7 provides a path for the movement of the blocking block 8, which facilitates pushing the blocking block 8 to fix the lower mold 24.

[0040] Reference Figure 1 , Figure 5 and Figure 6 The fixing component includes two connecting shafts 27, which are slidably connected to the outside of the lower mold 24. A spring 28 is sleeved on the outside of the connecting shaft 27. When the relevant component is pulled, the spring 28 will retract. A fixing half ring 25 is fixedly connected to one end of the connecting shaft 27. When the spring 28 retracts, it will drive the fixing half ring 25 to move to both sides, thereby firmly fixing the workpiece inside the fixing half ring 25. This component can adapt to riveting of workpieces of different specifications. A handle 26 is fixedly connected to one end of the connecting shaft 27. Pulling the handle 26 will cause the spring 28 to retract, thereby driving the fixing half ring 25 to move. The handle 26 is located on the outside of the lower mold 24.

[0041] Working principle: First, when installing the upper mold 17, align the upper mold 17 with the T-slot 5, and then push it along the T-slot 5. When it reaches the groove 23, rotate the upper mold 17 so that the upper mold 17 is just stuck inside the groove 23. At this time, rotate the screw 22 to allow the round rod 20 and the sleeve 21 to move freely. Then, the spring 19 is released, which pops out the pin 16. The pin 16 quickly engages with the round groove 10, realizing quick installation and fixation, and ensuring that it will not come loose during operation.

[0042] In addition, when installing the lower mold 24, first push the lower mold 24 into the trapezoidal groove 29. After reaching the appropriate position, push the blocking block 8 to fix the lower mold 24 so that it cannot move. At this time, first press the rotating handle 9 to squeeze the crossbar 13 into the fixed shell 14, and then rotate the rotating handle 9 to make the crossbar 13 just lock, thereby achieving further reinforcement and preventing the lower mold 24 from moving easily. At the same time, when it is necessary to disassemble and replace, simply reverse the operation to complete the quick replacement and disassembly of the upper mold 17 and the lower mold 24.

[0043] Secondly, place the workpiece to be riveted inside the lower mold 24, pull the handle 26 first, the handle 26 causes the spring 3 28 to contract, driving the fixed half ring 25 to move to both sides, firmly fixing the workpiece inside the fixed half ring 25. At the same time, this device can adapt to riveting workpieces of different specifications, and there is no need to disassemble and install multiple times when facing workpieces of different specifications, which improves work efficiency.

[0044] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A quick-change die set riveting die, comprising an operating table (1), characterized in that: A punching machine (2) is fixedly connected to the top of the operating table (1). An upper template (3) is fixedly connected inside the punching machine (2). An upper mold quick-change assembly is installed inside the upper template (3). A lower mold base (15) is installed in the middle of the operating table (1). A lower mold quick-change assembly is installed on the top of the lower mold base (15). A lower mold (24) is installed on the top of the lower mold base (15). A fixing assembly is installed inside the lower mold (24). The upper mold quick-change assembly includes an upper mold (17), which is installed inside the upper template (3). The upper template (3) has a T-slot (5) and a groove (23) inside. The upper mold (17) is located inside the T-slot (5) and the groove (23). Both ends of the upper mold (17) have circular grooves (10). The upper template (3) has two pins (16) slidably connected inside. The pins (16) are engaged inside the circular grooves (10). The outer sides of the two pins (16) are fitted with springs (19). The top of the pins (16) is fixedly connected with a pull rod (6).

2. The swaging die of claim 1, wherein: The fixing component includes two connecting shafts (27), which are slidably connected to the outside of the lower mold (24). A spring three (28) is sleeved on the outside of the connecting shaft (27), and a fixing half ring (25) is fixedly connected to one end of the connecting shaft (27).

3. The swaging die of claim 1, wherein: The lower mold quick-change assembly includes a barrier block (8), which is slidably connected inside the operating table (1). A fixed shell (14) is fixedly connected to the top of the lower mold base (15). A connecting rod (12) is installed inside the barrier block (8). A spring (11) is sleeved on the outside of the connecting rod (12). A crossbar (13) is fixedly connected to one end of the connecting rod (12). The crossbar (13) is snapped into the inside of the fixed shell (14).

4. The swaging die of claim 1, wherein: A sleeve (21) is fixedly connected to the top of the upper template (3), and a round rod (20) is slidably connected inside the sleeve (21). The top of the round rod (20) is fixedly connected to the bottom of the pull rod (6), and a screw (22) is threaded inside the sleeve (21).

5. The swaging die of claim 1, wherein: The top of the lower mold (24) is fixedly connected to a plurality of guide rods (4), and the upper mold plate (3) is slidably connected to the outside of the plurality of guide rods (4).

6. The swaging die of claim 2, wherein: One end of the connecting shaft (27) is fixedly connected to a handle (26), the handle (26) is located on the outside of the lower mold (24), the bottom of the lower mold (24) is fixedly connected to a trapezoidal slider (18), the top of the lower mold base (15) is provided with a trapezoidal groove (29), and the trapezoidal slider (18) is slidably connected inside the trapezoidal groove (29).

7. The swaging die of claim 3, wherein: A handle (9) is fixedly connected to one end of the connecting rod (12) away from the crossbar (13), and the handle (9) is located on the outside of the blocking block (8).

8. The swaging die of claim 7, wherein: The top of the operation platform (1) is provided with a sliding groove (7), and the blocking block (8) is slidingly connected in the sliding groove (7).

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