Punching machine capable of preventing punch from sticking materials

Abstract

The utility model belongs to the technical field of punching machines, and particularly relates to a punching machine capable of preventing a punch from sticking materials, which comprises a punching machine body, an oil cylinder is arranged at the top of the punching machine body, the output end of the oil cylinder is connected with the punch through a connecting rod (3), and a fixing plate is arranged on the outer wall of one end, close to the punch, of the connecting rod. The fixed plate is connected with the cleaning assembly through a plurality of springs, the cleaning assembly comprises a mounting ring, a through hole allowing a punch to penetrate through is formed in the mounting ring in the axial direction, and a cleaning brush is arranged at the position of the through hole. In the process that the punch descends for punching, the mounting ring also descends, the mounting ring firstly makes contact with a product, then the punch continues to descend to punch the product, after punching is finished, the punch firstly moves upwards, and in the moving process, the cleaning brush can clean away scrap iron or waste materials adhering to the punch.

Description

TECHNICAL FIELD

[0001] The utility model relates to punch press technical field, concretely is a kind of punch press of preventing punch stick material. BACKGROUND

[0002] With the development of society, mechanical field application is more and more common, stamping die is also widely applied, however, cement and other adhesives are added in the raw material of many products to be punched, when stamping raw material, punch template contacts raw material, heat and magnetism are generated by friction, small iron filings and waste can be adhered on punch by magnetism, thereby affecting the quality of punch, seriously, punch needle can be broken, if cleaning punch template, worker can only clean with brush, on the one hand, it is very dangerous to clean punch manually, on the other hand, manual cleaning affects normal punching work. SUMMARY

[0003] In order to overcome the above-mentioned defects existing in the prior art, the utility model provides a punch press for preventing punch stick material.

[0004] A punch press for preventing punch stick material, comprising a punch press body, an oil cylinder is provided on the top of the punch press body, the output end of the oil cylinder is connected with a punch through a connecting rod, a fixed plate is provided on the outer wall of the end of the connecting rod close to the punch, the fixed plate is connected with a cleaning assembly through a plurality of springs, the cleaning assembly comprises a mounting ring, the mounting ring is provided with a through hole allowing the punch to pass through in the axial direction, and a cleaning brush is provided at the through hole.

[0005] Further, the cleaning brush is spirally distributed on the inner wall of the mounting ring, and a material suction box for sucking and removing waste residues is provided on the punch press body.

[0006] Further, the plurality of springs are circumferentially distributed with the punch as the center, the top of the spring is connected with the fixed plate, and the bottom of the spring is connected with a supporting plate, and the supporting plate is detachably connected with the mounting ring.

[0007] Further, a sliding plate is provided below the punch, a lower die for placing a disc is provided on the sliding plate, V-shaped clamping plates are provided on the left and right sides of the lower die, the clamping plates are connected with the output end of a telescopic cylinder, and the telescopic cylinder is fixedly installed on the sliding plate.

[0008] Further, a material dropping groove is provided on the lower die in the axial direction, the aperture size of the material dropping groove is adapted to the diameter of the punch, and a through groove is provided on the bottom of the lower die in the radial direction, and the through groove is communicated with the material dropping groove.

[0009] Further, a material pushing cylinder is provided on the punch press body at the material discharging position, the output end of the material pushing cylinder is provided with a pushing plate, and the pushing plate is used for pushing the waste material in the through groove out.

[0010] Further, the punch body is provided with a material receiving box at the blanking position, the material receiving box is located below the sliding plate, and the material pushing cylinder is oppositely arranged.

[0011] Further, the sliding plate is connected through a moving cylinder, and the sliding plate is slidingly connected with the punch body.

[0012] Due to the above technical scheme, the puncher has the beneficial technical effects that: the oil cylinder drives the mounting ring to move up and down in the vertical direction to punch the product, in the process of punching, the mounting ring also moves down, the mounting ring first contacts the product, then the punch continues to move down to punch the product, after the punching is completed, the punch first moves up, and in the process of moving, the cleaning brush cleans the iron filings or waste adhered to the punch. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a structural schematic view of the puncher for preventing the punch from adhering materials according to the utility model;

[0014] Figure 2 It is a top view of the puncher for preventing the punch from adhering materials according to the utility model;

[0015] Figure 3 It is a structural schematic view of the puncher for preventing the punch from adhering materials according to the utility model Figure 2 It is a sectional view of the puncher for preventing the punch from adhering materials according to the utility model in A-A direction;

[0016] Figure 4 It is a sectional view of the puncher for preventing the punch from adhering materials according to the utility model Figure 2 It is a sectional view of the puncher for preventing the punch from adhering materials according to the utility model in B-B direction.

[0017] In the figure, 1 is a punch body, 2 is an oil cylinder, 3 is a connecting rod, 4 is a punch, 5 is a fixed plate, 6 is a spring, 7 is a supporting plate, 8 is a sliding plate, 9 is a lower die, 10 is a cleaning brush, 11 is a through hole, 12 is a clamping plate, 13 is a telescopic cylinder, 14 is a material dropping groove, 15 is a through groove, 16 is a material pushing cylinder, 17 is a push plate, 18 is a material receiving box, 19 is a moving cylinder, and 20 is a mounting ring. DETAILED DESCRIPTION

[0018] In order to more clearly illustrate the technical scheme of the utility model, the utility model will be further described below in combination with the drawings, and obviously, the drawings described below are only one embodiment of the utility model, and for the ordinary skilled in the art, other embodiments can be obtained according to the drawings and the embodiment without paying creative labor, and all belong to the protection scope of the utility model.

[0019] According to the utility model Figures 1-4As shown in the figure, a punch for preventing the punch 4 from sticking to the material, comprising a punch body 1, the top of the punch body 1 is provided with an oil cylinder 2, the output end of the oil cylinder 2 is connected with the punch 4 through a connecting rod 3, the outer wall of the end of the connecting rod 3 close to the punch 4 is provided with a fixed plate 5, the fixed plate 5 is connected with a cleaning assembly through a plurality of springs 6, the cleaning assembly comprises a mounting ring 20, the mounting ring 20 is provided with a through hole 11 allowing the punch 4 to pass through in the axial direction, and a cleaning brush 10 is arranged at the through hole 11.

[0020] In the above specific technical scheme, the oil cylinder 2 drives the mounting ring 20 to move up and down in the vertical direction to punch the product, and in the process of the punch 4 descending to punch, the mounting ring 20 also descends, the mounting ring 20 first contacts the product, then the punch 4 continues to descend to punch the product, after the punching is completed, the punch 4 first moves upward, and in the process of moving, the cleaning brush 10 can clean the iron filings or waste materials adhered to the punch 4.

[0021] The cleaning brush 10 is spirally arranged on the inner wall of the mounting ring 20, and the punch body 1 is provided with a material suction box for sucking and removing waste residues. The iron filings or waste materials adhered to the punch 4 can be conveniently cleaned, and preferably, the material suction box on the punch body 1 can suck away the cleaned waste residues.

[0022] A plurality of springs 6 are distributed in the circumferential direction with the punch 4 as the center, the top of the spring 6 is connected with the fixed plate 5, the bottom is connected with a supporting plate 7, the supporting plate 7 is detachably connected with the mounting ring 20, and preferably, the mounting ring 20 is fixedly installed on the supporting plate 7 through bolts, when the cleaning brush 10 needs to be replaced, the mounting ring 20 can be detached and replaced.

[0023] The punch 4 is provided below with a sliding plate 8, the sliding plate 8 is provided with a lower die 9 for placing a disc, V-shaped clamping plates 12 are arranged on the left and right sides of the lower die 9, the clamping plates 12 are connected with the output end of a telescopic air cylinder 13, and the telescopic air cylinder 13 is fixedly installed on the sliding plate 8. The worker places the product on the lower die 9, starts the telescopic air cylinder 13, and drives the clamping plates 12 to centrally position the product, which can ensure the accuracy of punching and prevent the punch 4 from carrying the product upward after the punching is completed.

[0024] The lower die 9 is provided with a material dropping groove 14 in the axial direction, the diameter of the material dropping groove 14 is adapted to the diameter of the punch 4, and the bottom of the lower die 9 is provided with a through groove 15 in the radial direction, and the through groove 15 is in communication with the material dropping groove 14.

[0025] The punch body 1 is provided with a material pushing air cylinder 16 at the material feeding position, the output end of the material pushing air cylinder 16 is provided with a pushing plate 17, and the pushing plate 17 is used for pushing the waste materials in the through groove 15 out.

[0026] The slide plate 8 is connected by a moving cylinder 19, and the slide plate 8 is slidingly connected with the punch body 1.

[0027] The punch body 1 is provided with a material receiving box 18 at a discharging position, the material receiving box 18 is located below the slide plate 8, and the material pushing cylinder 16 is oppositely arranged.

[0028] In the above specific technical scheme, after the punching is finished, the waste material falls into the through groove 15 through the material dropping groove 14, under the action of the material pushing cylinder 16, the slide plate 8 moves to the discharging position, under the action of the push plate 17, the waste material is pushed out from the through groove 15, and the waste material is picked up by a worker into the material receiving box 18 or directly falls into the material receiving box 18 under the action of the push plate 17.

[0029] The above embodiment is only an exemplary embodiment of the utility model, and is not used for limiting the utility model, the protection scope of the utility model is defined by the claims, and those skilled in the art can make various modifications or equivalent replacements to the utility model within the utility model's essence and protection scope, and the modification or equivalent replacement should also be regarded as falling within the protection scope of the utility model.

Claims

1. A punch press for preventing material from sticking to the punch, comprising a punch press body (1), characterized in that, The top of the punch press body (1) is provided with a hydraulic cylinder (2). The output end of the hydraulic cylinder (2) is connected to the punch (4) through a connecting rod (3). A fixing plate (5) is provided on the outer wall of the connecting rod (3) near the punch (4). The fixing plate (5) is connected to the cleaning assembly through several springs (6). The cleaning assembly includes a mounting ring (20). The mounting ring (20) is provided with a through hole (11) in the axial direction to allow the punch (4) to pass through. A cleaning brush (10) is provided at the through hole (11).

2. A punch press for preventing material from sticking to the punch according to claim 1, characterized in that, The cleaning brush (10) is spirally distributed on the inner wall of the mounting ring (20), and the punch body (1) is provided with a suction box for removing waste residue.

3. A punch press for preventing material from sticking to the punch according to claim 2, characterized in that, Several springs (6) are circumferentially distributed around the punch (4). The top of the springs (6) is connected to the fixing plate (5), and the bottom is connected to the support plate (7). The support plate (7) is detachably connected to the mounting ring (20).

4. A punch press for preventing material from sticking to the punch according to claim 3, characterized in that, Below the punch (4) is a slide plate (8), and the slide plate (8) is provided with a lower mold (9) for placing the disc. The lower mold (9) is provided with V-shaped clamping plates (12) on the left and right sides. The clamping plates (12) are connected to the output end of the telescopic cylinder (13), and the telescopic cylinder (13) is fixedly installed on the slide plate (8).

5. A punch press for preventing material from sticking to the punch according to claim 4, characterized in that, The lower mold (9) has a material dropping groove (14) in its axial direction. The diameter of the material dropping groove (14) is adapted to the diameter of the punch (4). The bottom of the lower mold (9) has a through groove (15) in its radial direction. The through groove (15) is connected to the material dropping groove (14).

6. A punch press for preventing material from sticking to the punch according to claim 5, characterized in that, The punch press body (1) is provided with a pusher cylinder (16) at the unloading point. The output end of the pusher cylinder (16) is provided with a pusher plate (17), which is used to push out the waste material in the through groove (15).

7. A punch press for preventing material from sticking to the punch according to claim 6, characterized in that, The punch press body (1) is provided with a receiving box (18) at the unloading point. The receiving box (18) is located below the slide plate (8) and is opposite to the push cylinder (16).

8. A punch press for preventing material from sticking to the punch according to claim 7, characterized in that, The slide plate (8) is connected by a moving cylinder (19), and the slide plate (8) is slidably connected to the punch press body (1).

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