Multi-station linkage single crank press die quick change device

Abstract

The utility model provides a kind of multi-station linkage single crank punch press mould quick-change device, it is related to punch press technical field, including: punch press body and the upper die holder being set on punch press body, further include: first fixed component, in the utility model, when needing to replace and fix lower mould, start first hydraulic push rod, its output end contracts and drives rotary block rotation, drives rotary rod, so that support block and slider slide on fixed seat, two clamps gradually close, lower mould is clamped and fixed, when first hydraulic push rod elongates, clamp releases, it is convenient to replace lower mould, limiting rod guarantees the stability of rotary block rotation, in second fixed component, second hydraulic push rod contracts, drives first limiting block and moves up, firmly fixed upper mould in upper die holder bottom, second hydraulic push rod elongates, first limiting block moves down, upper mould can be detached, realize the quick fixing and replacement of upper and lower mould.

Description

Technical Field

[0001] This utility model relates to the field of punch press technology, and in particular to a quick-change device for a multi-station linkage single crankshaft punch press mold. Background Technology

[0002] The multi-station linkage single crankshaft punch press die quick change device aims to improve production efficiency and die change speed. In traditional stamping production, die change takes a long time, affecting the overall operating efficiency of the production line. This quick change device, through optimized design, realizes the rapid disassembly and installation of dies, reduces downtime, and improves the continuity and stability of production. It is widely used in the fields of automation and high-efficiency manufacturing.

[0003] However, in actual use, the following shortcomings still exist. For example, the existing multi-station linkage single crankshaft punch press cannot achieve rapid fixing and replacement of upper and lower dies. In stamping operations, die replacement usually takes a certain amount of time. If the upper and lower dies cannot be quickly fixed and replaced, the time spent on each die replacement will increase significantly. For some large-volume production orders, the slow die replacement may lead to extended production cycles, making it impossible to meet customer needs on time, thereby affecting the company's reputation and market competitiveness. Rapid fixing and replacement of dies can ensure the repeatability of die installation accuracy. If rapid fixing and replacement cannot be achieved, installation errors are prone to accumulate during multiple installation and disassembly processes.

[0004] Therefore, this utility model proposes a quick-change device for multi-station linkage single crankshaft punch press molds to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to overcome the shortcomings of the existing technology and propose a quick-change device for multi-station linkage single crankshaft punch press molds.

[0006] To achieve the above objectives, this utility model adopts the following technical solution: a quick-change device for a multi-station linkage single crankshaft punch press mold, comprising: a punch press body and an upper mold base disposed on the punch press body, and further comprising:

[0007] A first fixing component includes a lower die disposed on a punch press body. A fixing seat is disposed on the punch press body. A fixing block is fixed on the fixing seat. A slider is slidably connected to the fixing seat. A support block is fixed on the slider. A rotating block is rotatably connected inside the punch press body. A first hydraulic push rod is rotatably connected to the bottom of the fixing block. The output end of the first hydraulic push rod is rotatably connected to the rotating block. A rotating rod is rotatably connected to the side of the rotating block near the output end of the first hydraulic push rod. The other end of the rotating rod is rotatably connected to the support block. A limit rod is rotatably connected to the side of the rotating block away from the first hydraulic push rod. The other end of the limit rod is disposed on the fixing block. Clamping plates are fixed on both the fixing block and the support block.

[0008] The second fixing component includes an upper mold disposed at the bottom of the upper mold base, a second hydraulic push rod disposed on the upper mold base, and a first limiting block fixed to the output end of the second hydraulic push rod, the first limiting block being disposed on the upper mold.

[0009] Furthermore, the upper mold is provided with a first limiting groove, and the upper mold base is provided with a second limiting groove.

[0010] The beneficial effects of adopting the above-mentioned further solution are: the first limiting groove of the upper mold and the second limiting groove of the upper mold base provide precise guidance and positioning space for the output end of the second hydraulic push rod. When the second hydraulic push rod extends and retracts, the output end slides along the two grooves, accurately pushing the first limiting block to the bottom of the first limiting groove, thereby achieving tight fixation between the upper mold and the upper mold base and ensuring stable stamping operation.

[0011] Furthermore, the output end of the second hydraulic push rod is disposed within the first limiting groove and the second limiting groove, and the first limiting block is disposed at the bottom of the first limiting groove.

[0012] The beneficial effects of adopting the above-mentioned further solution are: when the second hydraulic push rod retracts, it drives the first limit block to move upward and embed into the bottom of the first limit groove, thus firmly locking the upper mold at the bottom of the upper mold base. When the push rod extends, the first limit block moves downward and disengages from the limit groove, making it convenient to disassemble the upper mold and complete the quick replacement operation.

[0013] Furthermore, a buffer assembly is provided on the punch press body, the buffer assembly includes a connecting block fixed on the upper die base, and a guide rod is fixed on the punch press body.

[0014] The beneficial effect of adopting the above-mentioned further solution is that the connecting block is fixed on the upper die holder and slides with the guide rod on the punch press body to provide stable guidance for the upper die holder.

[0015] Furthermore, the connecting block is slidably connected to the guide rod, and a second limiting block is slidably connected to the guide rod.

[0016] The beneficial effects of adopting the above-mentioned further solution are: when the upper die holder moves up and down, the connecting block slides along the guide rod, ensuring accurate movement trajectory, avoiding deviation, and enhancing the stability of the punch press operation.

[0017] Furthermore, a telescopic spring is provided on the guide rod, one end of which is fixed to the punch press body, and the other end of which is fixed to the second limit block.

[0018] The beneficial effects of adopting the above-mentioned further solution are: the second limiting block slides on the guide rod and works in conjunction with the telescopic spring. When the upper die base is pressed down to a certain position, the second limiting block compresses the telescopic spring to absorb the impact force and protect the punch press and the die. When the upper die base rises, the telescopic spring resets and pushes the second limiting block.

[0019] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0020] In this invention, when the lower mold needs to be replaced and fixed, the first hydraulic push rod is activated, and its output end retracts to drive the rotating block to rotate, which in turn drives the rotating rod, causing the support block and the slider to slide on the fixed seat. The two clamping plates gradually approach each other, clamping and fixing the lower mold. When the first hydraulic push rod extends, the clamping plates loosen, making it easier to replace the lower mold. The limiting rod ensures the stability of the rotating block's rotation. In the second fixing assembly, the second hydraulic push rod retracts, driving the first limiting block to move upward, firmly fixing the upper mold to the bottom of the upper mold base. When the second hydraulic push rod extends, the first limiting block moves downward, allowing the upper mold to be disassembled, thus achieving rapid fixing and replacement of the upper and lower molds. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the structure of a quick-change device for a multi-station linkage single crankshaft punch press mold according to the present invention;

[0022] Figure 2 This is a schematic diagram of the first fixed component of a quick-change device for a multi-station linkage single crankshaft punch press mold according to the present invention.

[0023] Figure 3 This is a structurally disassembled schematic diagram of the first fixed component of a quick-change device for a multi-station linkage single crankshaft punch press mold according to the present invention.

[0024] Figure 4 This is a schematic diagram of the second fixed component of a quick-change device for a multi-station linkage single crankshaft punch press mold according to the present invention.

[0025] Figure 5 This is a schematic diagram of the buffer component structure of a quick-change device for a multi-station linkage single crankshaft punch press mold according to the present invention.

[0026] Figure label:

[0027] 1. Punch press body; 2. Upper die holder;

[0028] 3. First fixed component; 31. Lower mold; 32. Fixed base; 33. Fixed block; 34. Slider; 35. Support block; 36. Rotating block; 37. First hydraulic push rod; 38. Rotating rod; 39. Limiting rod; 310. Clamping plate;

[0029] 4. Second fixing component; 41. Upper mold; 42. First limiting groove; 43. Second limiting groove; 44. Second hydraulic push rod; 45. First limiting block;

[0030] 5. Buffer assembly; 51. Connecting block; 52. Guide rod; 53. Second limit block; 54. Telescopic spring. Detailed Implementation

[0031] 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.

[0032] like Figures 1-4 As shown, this embodiment provides a technical solution: a quick-change device for a multi-station linkage single crankshaft punch press mold, comprising: a punch press body 1 and an upper mold base 2 disposed on the punch press body 1, and further comprising:

[0033] The first fixing component 3 includes a lower die 31 disposed on the punch press body 1, a fixing seat 32 disposed on the punch press body 1, a fixing block 33 fixed on the fixing seat 32, a slider 34 slidably connected to the fixing seat 32, a support block 35 fixed on the slider 34, a rotating block 36 rotatably connected inside the punch press body 1, a first hydraulic push rod 37 rotatably connected to the bottom of the fixing block 33, the output end of the first hydraulic push rod 37 rotatably connected to the rotating block 36, a rotating rod 38 rotatably connected to the side of the rotating block 36 near the output end of the first hydraulic push rod 37, the other end of the rotating rod 38 rotatably connected to the support block 35, a limit rod 39 rotatably connected to the side of the rotating block 36 away from the first hydraulic push rod 37, the other end of the limit rod 39 disposed on the fixing block 33, and clamping plates 310 fixed on both the fixing block 33 and the support block 35.

[0034] The second fixing component 4 includes an upper mold 41 disposed at the bottom of the upper mold base 2. A second hydraulic push rod 44 is disposed on the upper mold base 2. A first limiting block 45 is fixed to the output end of the second hydraulic push rod 44. The first limiting block 45 is disposed on the upper mold 41. When it is necessary to replace and fix the lower mold 31, the first hydraulic push rod 37 is activated, and its output end retracts, driving the rotating block 36 to rotate, which in turn drives the rotating rod 38, causing the support block 35 and the slider 34 to slide on the fixing seat 32. As plate 310 gradually approaches, it clamps and fixes the lower mold 31. When the first hydraulic push rod 37 extends, the clamping plate 310 loosens, making it easier to replace the lower mold 31. The limiting rod 39 ensures the stability of the rotation of the rotating block 36. In the second fixing component 4, the second hydraulic push rod 44 retracts, driving the first limiting block 45 to move upward, firmly fixing the upper mold 41 to the bottom of the upper mold base 2. When the second hydraulic push rod 44 extends, the first limiting block 45 moves downward, allowing the upper mold 41 to be disassembled, thus realizing the quick fixing and replacement of the upper and lower molds 31.

[0035] The above solutions also have the problem of failing to prevent excessive impact and protect the press and die during stamping operations, such as... Figure 1 as well as Figures 4-5 As shown: The upper mold 41 has a first limiting groove 42, and the upper mold base 2 has a second limiting groove 43. The first limiting groove 42 of the upper mold 41 and the second limiting groove 43 of the upper mold base 2 provide precise guidance and positioning space for the output end of the second hydraulic push rod 44. When the second hydraulic push rod 44 extends or retracts, the output end slides along the two grooves, precisely pushing the first limiting block 45 to the bottom of the first limiting groove 42, realizing the tight fixation of the upper mold 41 and the upper mold base 2, ensuring the stability of the stamping operation. The output end of the second hydraulic push rod 44 is set in the first limiting groove 42 and the second limiting groove 43. The first limiting block 45 is set at the bottom of the first limiting groove 42. When the second hydraulic push rod 44 retracts, it drives the first limiting block 45 to move upward and embed into the bottom of the first limiting groove 42, firmly locking the upper mold 41 at the bottom of the upper mold base 2. When the push rod extends, the first limiting block 45 moves downward and disengages from the limiting groove, making it convenient to disassemble the upper mold 41 and complete the quick replacement operation.

[0036] like Figure 1 as well as Figure 5As shown, a buffer assembly 5 is provided on the punch press body 1. The buffer assembly 5 includes a connecting block 51 fixed on the upper die holder 2. A guide rod 52 is fixed on the punch press body 1. The connecting block 51 is fixed on the upper die holder 2 and slides with the guide rod 52 on the punch press body 1 to provide stable guidance for the upper die holder 2. The connecting block 51 is slidably connected to the guide rod 52. A second limit block 53 is slidably connected to the guide rod 52. When the upper die holder 2 moves up and down, the connecting block 51 slides along the guide rod 52 to ensure accurate movement trajectory and avoid... To enhance the stability of the punch press operation, a telescopic spring 54 is provided on the guide rod 52. One end of the telescopic spring 54 is fixed to the punch press body 1, and the other end of the telescopic spring 54 is fixed to the second limit block 53. The second limit block 53 slides on the guide rod 52 and works in conjunction with the telescopic spring 54. When the upper die holder 2 is pressed down to a certain position, the second limit block 53 compresses the telescopic spring 54 to absorb the impact force and protect the punch press and the die. When the upper die holder 2 rises, the telescopic spring 54 resets and pushes the second limit block 53.

[0037] like Figures 1-5 As shown, in the multi-station linkage single crankshaft punch press die quick-change device, the first fixing component 3 is responsible for fixing and replacing the lower die 31. When the lower die 31 needs to be fixed, the first hydraulic push rod 37 is activated, and its output end retracts, driving the rotating block 36 inside the punch press body 1 to rotate around the connection point with the punch press body 1. When the rotating block 36 rotates, it pulls the support block 35 through the rotating rod 38, causing the support block 35 and the slider 34 to slide on the fixed seat 32. The clamping plates 310 on the fixed block 33 and the support block 35 gradually approach each other, clamping the lower die 31 on the punch press body 1. During this process, the limiting rod 39 restricts the rotation range of the rotating block 36 to ensure its rotational stability. When the lower die 31 needs to be replaced, the first hydraulic push rod 37 extends, causing the clamping plate 310 to loosen. The second fixing component 4 is used to fix the upper die 41. The first limiting rod of the upper die 41... The second limiting groove 43 of the upper mold base 2 and the positioning groove 42 provide guidance and positioning for the output end of the second hydraulic push rod 44. When the second hydraulic push rod 44 retracts, it drives the first limiting block 45 to move upward and embed into the bottom of the first limiting groove 42, firmly locking the upper mold 41 at the bottom of the upper mold base 2. When the push rod extends, the first limiting block 45 moves downward and disengages from the limiting groove, making it easy to disassemble the upper mold 41. The buffer assembly 5 plays a protective role. The sliding cooperation between the connecting block 51 and the guide rod 52 provides stable guidance for the upper mold base 2. When the punch press is working, the upper mold base 2 is pressed down. When it reaches a certain position, the second limiting block 53 compresses the telescopic spring 54 to absorb the impact force generated by the punching. When the upper mold base 2 rises, the telescopic spring 54 resets and pushes the second limiting block 53, thereby protecting the punch press and the mold, and ensuring that the entire punch press operates stably and efficiently during the rapid mold change and punching operation.

[0038] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A quick-change device for a multi-station linkage single crankshaft punch press mold, comprising: The punch press body (1) and the upper die holder (2) disposed on the punch press body (1) are characterized in that they further include: A first fixing component (3) includes a lower die (31) disposed on the punch press body (1), a fixing seat (32) disposed on the punch press body (1), a fixing block (33) fixed on the fixing seat (32), a slider (34) slidably connected to the fixing seat (32), a support block (35) fixed on the slider (34), a rotating block (36) rotatably connected inside the punch press body (1), and a first hydraulic push rod (37) rotatably connected to the bottom of the fixing block (33). The output end of the rod (37) is rotatably connected to the rotating block (36). A rotating rod (38) is rotatably connected to the side of the rotating block (36) near the output end of the first hydraulic push rod (37). The other end of the rotating rod (38) is rotatably connected to the support block (35). A limiting rod (39) is rotatably connected to the side of the rotating block (36) away from the first hydraulic push rod (37). The other end of the limiting rod (39) is set on the fixed block (33). A clamping plate (310) is fixed on both the fixed block (33) and the support block (35). The second fixing component (4) includes an upper mold (41) disposed at the bottom of the upper mold base (2), and a second hydraulic push rod (44) is disposed on the upper mold base (2). The output end of the second hydraulic push rod (44) is fixed with a first limiting block (45), and the first limiting block (45) is disposed on the upper mold (41).

2. The quick-change device for a multi-station linkage single crankshaft punch press mold according to claim 1, characterized in that: The upper mold (41) is provided with a first limiting groove (42), and the upper mold base (2) is provided with a second limiting groove (43).

3. The quick-change device for a multi-station linkage single crankshaft punch press mold according to claim 2, characterized in that: The output end of the second hydraulic push rod (44) is located in the first limiting groove (42) and the second limiting groove (43), and the first limiting block (45) is located at the bottom of the first limiting groove (42).

4. The quick-change device for a multi-station linkage single crankshaft punch press mold according to claim 1, characterized in that: The punch press body (1) is provided with a buffer assembly (5), the buffer assembly (5) includes a connecting block (51) fixed on the upper die base (2), and a guide rod (52) is fixed on the punch press body (1).

5. A quick-change device for a multi-station linkage single crankshaft punch press die according to claim 4, characterized in that: The connecting block (51) is slidably connected to the guide rod (52), and a second limiting block (53) is slidably connected to the guide rod (52).

6. The quick-change device for a multi-station linkage single crankshaft punch press die according to claim 5, characterized in that: A telescopic spring (54) is provided on the guide rod (52). One end of the telescopic spring (54) is fixed on the punch body (1), and the other end of the telescopic spring (54) is fixed on the second limit block (53).

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