A punch press die assembly structure that is easy to center

Abstract

The utility model relates to the technical field of punch die assembly, and discloses a punch die assembly structure that is easy to center. The limit device is composed of a slide bar, a second spring, a slider, a second fixed block, a third spring, and a push plate. The slide bar is fixedly installed inside a bottom plate, the second spring is sleeved on the surface of the slide bar, the slider is slidably installed on the surface of the slide bar, the second fixed block is fixedly installed on the top of the slider, the third spring is fixedly installed on the side of the second fixed block, and the push plate is fixedly installed on the side of the third spring. The punch die assembly structure that is easy to center moves the first fixed block downward so that the second fixed block slides on the surface of the first fixed block. Under the action of the third spring, the push plate can be kept limited to the die from all sides, thereby ensuring the centering effect of the die. At the same time, the buffer device disperses and absorbs the impact force on the bottom plate, thereby achieving a buffering effect and extending the service life of the equipment.

Description

Technical Field

[0001] The utility model relates to the technical field of punch press die assembly, in particular to a punch press die assembly structure that is convenient for centering. Background Art

[0002] Ensuring the centering accuracy of the die is an important factor in improving the quality of stamping parts, extending the service life of the die, and ensuring production safety. Therefore, designing a punch die assembly structure that is easy to center has important practical significance.

[0003] The patent with application number 202122903857.2 discloses a punch press mold assembly structure that is easy to align, including a workbench, a mounting frame is fixedly arranged on the top of the workbench, a hydraulic cylinder is fixedly arranged on the top of the mounting frame, a punch head is fixedly arranged on the output shaft of the hydraulic cylinder, a mold is movably placed on the top of the workbench, the same bidirectional screw is rotatably arranged on the inner walls on both sides of the workbench, a drive shaft is rotatably arranged on the top of the workbench, the outer sides of the drive shaft and the bidirectional screw are fixedly sleeved with bevel gears, the two bevel gears are meshed, and the outer side threaded sleeve of the bidirectional screw is provided with two nuts.

[0004] The punch press die assembly structure that is easy to align, through the cooperation of the drive shaft, bevel gear, bidirectional screw, nut, slide plate, limit plate and ball, and the cooperation of the rotating rod, lower sprocket, upper sprocket, transmission chain, transverse screw, box, movable plate and clamping plate, makes the center line of the die coincide with the center line of the punch head, so as to achieve the purpose of centering. However, there are still some areas that can be improved. For example, the device needs to manually adjust the position of the die, and visually check whether the center line of the die coincides with the center line of the punch head. The accuracy is low and the adjustment is more troublesome. Secondly, if the device is used for a long time, the workbench will be deformed due to the impact force, which affects the service life and cannot meet the current needs. Utility Model Content

[0005] The purpose of the utility model is to provide a punch die assembly structure that is easy to align, so as to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a punching machine mold assembly structure that is easy to center, comprising a workbench, a guide rod, a movable plate, a first fixed block, a buffer device, a bottom plate, and a limiting device, wherein the guide rod is fixedly installed on the top of the workbench, the movable plate is slidably installed on the surface of the guide rod, the first fixed block is fixedly installed on the bottom of the movable plate, the buffer device is arranged on the top of the workbench, the bottom plate is fixedly installed on the top of the buffer device, and the limiting device is arranged inside the bottom plate; the limiting device is composed of a sliding rod, a second spring, a slider, a second fixed block, a third spring, and a push plate, the sliding rod is fixedly installed on the inside of the bottom plate, the second spring is sleeved on the surface of the sliding rod, the slider is slidably installed on the surface of the sliding rod, the second fixed block is fixedly installed on the top of the slider, the third spring is fixedly installed on the side of the second fixed block, and the push plate is fixedly installed on the side of the third spring.

[0007] Preferably, the buffer device is composed of a sleeve, a first spring, a sliding column, and a fixed column. The sleeve is fixedly installed on the top of the workbench, the first spring is arranged inside the sleeve, the sliding column is slidably installed inside the sleeve, and the fixed column is fixedly installed on the top of the sliding column. A buffer device is provided to buffer the bottom plate and extend the service life of the equipment.

[0008] Preferably, one end of the second spring is fixedly connected to the bottom plate, and the other end of the second spring is fixedly connected to the slider, and the second spring is provided for resetting the slider.

[0009] Preferably, the first fixing block and the second fixing block are arranged correspondingly, and the opposite surfaces of the first fixing block and the second fixing block are both arranged as inclined surfaces, which allows the second fixing block to slide on the surface of the first fixing block.

[0010] Preferably, the third springs are distributed in a rectangular array on the side of the second fixed block, the first fixed blocks are distributed in a rectangular array on the bottom of the movable plate, and the limiting devices are distributed in a rectangular array inside the bottom plate. A third spring is provided to keep the push plate from limiting the mold during the stamping process. A plurality of first fixed blocks and limiting devices are provided, and the mold can be limited from all sides, thereby ensuring the centering effect of the mold.

[0011] Preferably, one end of the first spring is fixedly connected to the sleeve, and the other end of the first spring is fixedly connected to the sliding column, and the first spring is provided for resetting the sliding column.

[0012] Preferably, the base plate is fixedly mounted on the top of the fixed column, and the buffer devices are distributed in a rectangular array at the bottom of the base plate. This arrangement can disperse and absorb the impact force received by the base plate through the buffer devices, thereby achieving a buffering effect.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows: the punch die assembly structure that is easy to center moves the first fixed block downward so that the second fixed block slides on the surface of the first fixed block. Under the action of the third spring, the push plate can be kept limited on the die from all sides, thereby ensuring the centering effect of the die. At the same time, the buffer device disperses and absorbs the impact force on the bottom plate, thereby achieving a buffering effect and extending the service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the sleeve, the first spring and the sliding column of the utility model;

[0017] Figure 4 It is a schematic diagram of the structure of the slide rod, the second spring and the slide block of the utility model.

[0018] In the figure: 1. workbench; 2. guide rod; 3. movable plate; 4. first fixed block; 5. buffer device; 501. sleeve; 502. first spring; 503. sliding column; 504. fixed column; 6. bottom plate; 7. limit device; 701. sliding rod; 702. second spring; 703. sliding block; 704. second fixed block; 705. third spring; 706. push plate. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4 The utility model provides the following technical solutions: a punch die assembly structure that is easy to center, including a workbench 1, a guide rod 2, a movable plate 3, a first fixed block 4, a buffer device 5, a bottom plate 6, and a limit device 7. The guide rod 2 is fixedly installed on the top of the workbench 1, the movable plate 3 is slidably installed on the surface of the guide rod 2, the first fixed block 4 is fixedly installed on the bottom of the movable plate 3, the buffer device 5 is arranged on the top of the workbench 1, the bottom plate 6 is fixedly installed on the top of the buffer device 5, and the limit device 7 is arranged inside the bottom plate 6.

[0021] The buffer device 5 is composed of a sleeve 501, a first spring 502, a sliding column 503, and a fixed column 504. The sleeve 501 is fixedly installed on the top of the workbench 1, the first spring 502 is arranged inside the sleeve 501, and the sliding column 503 is slidably installed inside the sleeve 501. One end of the first spring 502 is fixedly connected to the sleeve 501, and the other end of the first spring 502 is fixedly connected to the sliding column 503. The first spring 502 is provided for resetting the sliding column 503, the fixed column 504 is fixedly installed on the top of the sliding column 503, and the bottom plate 6 is fixedly installed on the top of the fixed column 504. The buffer device 5 is distributed at the bottom of the bottom plate 6 in a rectangular array. This arrangement can disperse and absorb the impact force received by the bottom plate 6 through the buffer device 5 to achieve a buffering effect. The buffer device 5 is provided to buffer the bottom plate 6 and extend the service life of the equipment.

[0022] The limiting device 7 is composed of a slide bar 701, a second spring 702, a slider 703, a second fixed block 704, a third spring 705, and a push plate 706. The slide bar 701 is fixedly installed inside the bottom plate 6. The second spring 702 is sleeved on the surface of the slide bar 701. The slider 703 is slidably installed on the surface of the slide bar 701. One end of the second spring 702 is fixedly connected to the bottom plate 6, and the other end of the second spring 702 is fixedly connected to the slider 703. The second spring 702 is provided for resetting the slider 703. The second fixed block 704 is fixedly installed on the top of the slider 703. The first fixed block 4 and the second fixed block 704 are provided correspondingly, and the first fixed block 4 and the second fixed block 704 The opposite sides are both set as inclined surfaces, which can make the second fixed block 704 slide on the surface of the first fixed block 4. The third spring 705 is fixedly installed on the side of the second fixed block 704. The third spring 705 is distributed in a rectangular array on the side of the second fixed block 704. The first fixed blocks 4 are distributed in a rectangular array on the bottom of the movable plate 3. The limiting devices 7 are distributed in a rectangular array inside the bottom plate 6. The third spring 705 is provided for keeping the push plate 706 from limiting the mold during the stamping process. A plurality of first fixed blocks 4 and limiting devices 7 are provided, and the mold can be limited from all sides to ensure the centering effect of the mold. The push plate 706 is fixedly installed on the side of the third spring 705.

[0023] When in use, start the hydraulic cylinder to make the movable plate 3 drive the first fixed block 4 to move downward, so that the second fixed block 704 slides on the surface of the first fixed block 4. Under the action of the third spring 705, the push plate 706 can be kept limited to the mold from all sides, ensuring the centering effect of the mold. At the same time, the buffer device 5 disperses and absorbs the impact force on the bottom plate 6 to achieve a buffering effect. After the stamping is completed, the second spring 702 can reset the slider 703 to facilitate the next stamping.

[0024] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A punch die assembly structure that facilitates centering, comprising a workbench (1), a guide rod (2), a movable plate (3), a first fixed block (4), a buffer device (5), a bottom plate (6), and a limit device (7), characterized in that: The guide rod (2) is fixedly mounted on the top of the workbench (1); the movable plate (3) is slidably mounted on the surface of the guide rod (2); the first fixed block (4) is fixedly mounted on the bottom of the movable plate (3); the buffer device (5) is arranged on the top of the workbench (1); the bottom plate (6) is fixedly mounted on the top of the buffer device (5); and the limiting device (7) is arranged inside the bottom plate (6); the limiting device (7) is composed of a sliding rod (701), a second spring (702), a sliding block (703), and a second fixed block (704). 4), a third spring (705), and a push plate (706), the slide bar (701) is fixedly installed inside the bottom plate (6), the second spring (702) is sleeved on the surface of the slide bar (701), the slider (703) is slidably installed on the surface of the slide bar (701), the second fixed block (704) is fixedly installed on the top of the slider (703), the third spring (705) is fixedly installed on the side of the second fixed block (704), and the push plate (706) is fixedly installed on the side of the third spring (705).

2. The punch press die assembly structure for facilitating centering according to claim 1, characterized in that: The buffer device (5) is composed of a sleeve (501), a first spring (502), a sliding column (503), and a fixed column (504); the sleeve (501) is fixedly mounted on the top of the workbench (1); the first spring (502) is arranged inside the sleeve (501); the sliding column (503) is slidably mounted inside the sleeve (501); and the fixed column (504) is fixedly mounted on the top of the sliding column (503).

3. The punch press die assembly structure for facilitating centering according to claim 1, characterized in that: One end of the second spring (702) is fixedly connected to the bottom plate (6), and the other end of the second spring (702) is fixedly connected to the slider (703).

4. The punch press die assembly structure for easy centering according to claim 1, characterized in that: The first fixing block (4) and the second fixing block (704) are arranged correspondingly, and opposite surfaces of the first fixing block (4) and the second fixing block (704) are both arranged as inclined surfaces.

5. The punch press die assembly structure for facilitating centering according to claim 1, characterized in that: The third springs (705) are distributed in a rectangular array on the side of the second fixed block (704), the first fixed blocks (4) are distributed in a rectangular array on the bottom of the movable plate (3), and the limiting devices (7) are distributed in a rectangular array inside the bottom plate (6).

6. The punch press die assembly structure for facilitating centering according to claim 2, characterized in that: One end of the first spring (502) is fixedly connected to the sleeve (501), and the other end of the first spring (502) is fixedly connected to the sliding column (503).

7. The punch press die assembly structure for facilitating centering according to claim 2, characterized in that: The bottom plate (6) is fixedly mounted on the top of the fixed column (504), and the buffer devices (5) are distributed in a rectangular array at the bottom of the bottom plate (6).

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