Sealing gasket punch forming tool

Abstract

The utility model relates to a forming tool, in particular to a sealing gasket punch forming tool which comprises a top seat, a hydraulic cylinder is fixedly installed on the lower surface of the top seat, a balance plate is fixedly installed at one end of a piston rod of the hydraulic cylinder, an upper die is fixedly installed on the lower surface of the balance plate, and a plurality of cutters are fixedly installed on the lower surface of the upper die. A workbench is arranged below the upper die, a lower die is arranged on the upper surface of the workbench, a plurality of supporting bottom columns are fixedly installed on the lower surface of the workbench, a bottom plate is fixedly installed at the other ends of the supporting bottom columns, a buffer pad is arranged on the side wall of the upper die, and a plurality of cutting grooves are formed in the lower die and used for reducing abrasion of a cutter to the lower die. When the cutter conducts stamping cutting, the cutter cuts a plate and enters the cutting groove, contact between the cutting edge and the lower die is reduced, abrasion of the cutter is reduced, meanwhile, the buffer cushion buffers downward pressure of the upper die, impact to the lower die when the upper die reaches a hard limit is prevented, and abrasion of the upper die to the lower die is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a forming tool, especially a sealing gasket stamping forming tool. BACKGROUND

[0002] Stamping forming utilizes the top seat and the die to exert external force to the plate, strip, pipe and section bar etc. to make it produce plastic deformation or separation, thereby obtaining the processing forming method of the workpiece of required shape and size, and the blank of stamping is mainly hot-rolled and cold-rolled steel plate and steel strip, in the stamping production process of sealing gasket, the cutting knife of upper die and lower die will appear wear after long-time stamping work, thereby influencing production efficiency, therefore, the utility model aims at providing a sealing gasket stamping forming tool. SUMMARY

[0003] The utility model discloses a sealing gasket stamping forming tool, and solves the defect that the cutting knife of upper die and lower die will appear wear after long-time stamping work in the background art.

[0004] The technical scheme adopted by the utility model is as follows:

[0005] Provide a kind of sealing gasket stamping forming tool, including top seat, the hydraulic cylinder is fixedly installed on the lower surface of top seat, the piston rod one end of hydraulic cylinder is fixedly installed with balance plate, the lower surface of balance plate is fixedly installed with upper die, the lower surface of upper die is fixedly installed with several cutting knives, workbench is provided below upper die, the upper surface of workbench is provided with lower die, the lower surface of workbench is fixedly installed with several support columns, the other end of several support columns is fixedly installed with bottom plate, the side wall of upper die is provided with buffer pad, several cutting grooves are formed in lower die.

[0006] As a preferred technical scheme of the utility model: the lower surface of top seat is fixedly installed with several guide rods near four corner edges, and the other end of several guide rods is fixedly connected with workbench.

[0007] As a preferred technical scheme of the utility model: the through hole is formed in balance plate, several guide rods are inserted into the through hole formed in balance plate, and the balance plate can slide along the direction of guide rod.

[0008] As a preferred technical scheme of the utility model: buffer pad is fixedly installed on the edge of upper die, several cutting knives are arranged in buffer pad, and the through hole is formed in several cutting knives.

[0009] As a preferred technical scheme of the utility model: the both sides of lower die are symmetrically provided with fixed strips, one end of the side wall of fixed strip is fixedly connected with workbench, and recess is arranged in fixed strip.

[0010] As a preferred technical scheme of the utility model: the lower mould side wall is equipped with a plurality of cutting grooves, a plurality of the cutting grooves are aligned with the cutter up and down, when the cutter cuts down and enters the cutting groove, the cutter does not contact with the inner wall of cutting groove.

[0011] As a preferred technical scheme of the utility model: a plurality of the support base column is fixedly installed at the four corner places of the lower end side wall of workbench.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] The cutter cutting plate enters the cutting groove when the cutter is pressed and cut with the lower mould under the pushing of the hydraulic cylinder, the cutter blade is prevented from contacting with the lower mould, the wear of the cutter is reduced, the downward pressure of the upper mould is buffered by the buffer pad, the lower mould is prevented from being impacted by the hard limit of the upper mould, and the wear of the lower mould by the upper mould is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the structure schematic view of the whole sealing gasket stamping forming tool of the preferred embodiment of the utility model;

[0015] Figure 2 It is the structure schematic view of the whole sealing gasket stamping forming tool of the preferred embodiment of the utility model;

[0016] Figure 3 It is the structure schematic view of the upper mould of the preferred embodiment of the utility model;

[0017] Figure 4 It is the side view of the lower mould part of the utility model;

[0018] Figure 5 It is the partial enlarged schematic view of the lower mould part of the utility model.

[0019] The meaning of each mark in the drawing is:

[0020] 1, top seat; 101, hydraulic cylinder; 102, balance plate; 103, upper mould; 1031, buffer pad; 1032, cutter;

[0021] 2, guide rod;

[0022] 3, bottom plate; 301, support base column; 302, workbench; 303, fixed strip; 304, lower mould; 3041, cutting groove; 3042, top convex; 3043, positioning groove; 3044, positioning rod; 3045, return spring. DETAILED DESCRIPTION

[0023] It should be noted that the embodiments in the embodiments and the features in the embodiments can be combined with each other in the case of no conflict, and the technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0024] Please refer to Figures 1-5 The utility model discloses a sealing gasket punch forming tool, including top seat 1, the lower surface of top seat 1 is fixedly installed with hydraulic cylinder 101, the piston rod one end of hydraulic cylinder 101 is fixedly installed with balance plate 102, the lower surface of balance plate 102 is fixedly installed with upper die 103, the lower surface of upper die 103 is fixedly installed with a plurality of cutters 1032, the lower side of upper die 103 is provided with workbench 302, the upper surface of workbench 302 is provided with lower die 304, the lower surface of workbench 302 is fixedly installed with a plurality of support columns 301, the other end of a plurality of support columns is fixedly installed with bottom plate 3, the side wall of upper die 103 is provided with buffer pad 1031, buffer pad 1031 is fixedly installed on the edge of upper die 103, buffer pad 1031 is located in the periphery, cutter 1032 is surrounded by buffer pad 1031, and buffer pad is preferably made of rubber material;

[0025] A plurality of cut slots 3041 are formed in the lower die 304, which are used to reduce the wear of the lower die 304 by the cutters 1032.

[0026] A plurality of guide rods 2 are fixedly installed on the lower surface of the top seat 1 near the four corner edges, and the other end of the plurality of guide rods 2 is fixedly connected with the workbench 302. A through hole is formed in the balance plate 102, and the plurality of guide rods 2 are inserted into the through hole formed in the balance plate 102. The balance plate 102 can slide along the direction of the guide rods 2. The plurality of guide rods 2 support the top seat 1, and at the same time, the guide rods 2 provide a guiding action when the hydraulic cylinder 101 pushes the balance plate 102 to move, preventing the balance plate 102 from deviating when it descends, thereby affecting the quality of the punched product.

[0027] A plurality of cut slots 3041 are formed in the side wall of the lower die 304, and the plurality of cut slots 3041 are aligned with the cutters 1032 up and down. When the cutters 1032 cut downward and enter the cut slots 3041, the cutters 1032 do not come into contact with the inner wall of the cut slots 3041, preventing stress from being generated by the compression of air in the cavity of the cutters 1032 when the cutters 1032 cut, and affecting the cutting effect of the cutters 1032.

[0028] In order to prevent the upper die 103 from reaching the hard limit when it is downwardly punched, thereby causing wear to the lower die 304, a buffer pad 1031 is used to provide a buffering force for the upper die 103, for reducing the wear of the upper die 103 to the lower die 304, and a cutter 1032 is inserted into the cutting groove 3041, for further ensuring that the plate material is completely punched and cut by the cutter 1032, avoiding the plate material from being punched and cut again, improving the production efficiency.

[0029] The fixed strips 303 are symmetrically arranged on both sides of the lower die 304, one end of the fixed strip 303 is fixedly connected with the workbench 302, the fixed strip 303 is provided with a groove, and the plate material to be processed is slidably connected in the groove on the side wall of the fixed strip 303, for fixing the plate material to be processed, preventing the plate material from deviating or splashing during processing, and improving the safety and stability of the equipment during working.

[0030] The lower die 304 is located below the plate material to be processed, and a plurality of return springs 3045 are connected between the surface of the lower die 304 and the workbench 302; furthermore, a top protrusion 3042 is fixed at the center position of each cutting groove 3041 on the surface of the lower die 304, and a plurality of positioning grooves 3043 are formed inwardly on the lower surface of the lower die 304, and a positioning rod 3044 is inserted into each positioning groove 3043; the distal end of the positioning rod 3044 is fixed on the workbench 302, after the upper die 103 is lowered and the punching and forming of the plate material to be processed is completed, the cutter 1032 will continue to be lowered and enter the cutting groove 3041, and the cutter 1032 will not contact the groove wall of the cutting groove 3041, thereby reducing the wear of the cutter 1032, and a layer of high-toughness rubber pad is fixed on the bottom wall of the cutting groove 3041, which can also reduce the wear when the cutter 1032 contacts it, and the lowering of the upper die 103 pushes the lower die 304 to be lowered and compresses the return spring 3045, and in the process of lowering, the positioning groove 3043 and the positioning rod 3044 cooperate with each other to play a positioning and guiding role for the lower die 304, avoiding deviation, after the punching and forming is completed, the upper die 103 is raised to return to the original position, at this time, the return spring 3045 restores the deformation and resets to push the lower die 304 to be raised, so that the top protrusion 3042 on the lower die 304 is raised, thereby lifting each sealing gasket cut after punching upward and separating from the plate material to be processed, achieving the effect of automatic discharging.

[0031] The utility model discloses in specific use, the plate to be processed is clamped in the recess of fixed strip 303 side wall, and the plate to be processed is fixed, at this time, the hydraulic cylinder 101 of lower end of top seat 1 is pushed down, and the hydraulic cylinder 101 will push the balance plate 102 and move down, at this time, the balance plate 102 will be provided with the direction of movement by several guide rods 2, at this time, the upper die 103 of balance plate 102 side wall fixed connection continues to move down under the push of balance plate 102, and falls to a certain position, and several cutters 1032 of upper die 103 side wall fixed mounting contact the plate to be processed, under the pressure of the depression of top seat 1, several cutters 1032 penetrate the plate to be processed, and the plate to be processed is punched and cut into a plurality of sealing gaskets.

[0032] Several cutters 1032 are inserted into the several cut slots 3041 of the side wall of the lower die 304, at this time, the buffer pad 1031 will provide the buffer force for the upper die 103, and the impact force of the upper die 103 on the lower die 304 is reduced, and the downward movement of the upper die 103 will push the lower die 304 to move down and compress the return spring 3045, and in the process of downward movement, the positioning groove 3043 and the positioning rod 3044 are mutually matched to play the positioning and guiding effect on the lower die 304, so that the offset is avoided, and the sealing gasket is obtained after the stamping forming is completed, the upper die 103 moves up and resets, at this time, the return spring 3045 restores the deformation and resets the lower die 304 to move up, so that the top convex 3042 on the lower die 304 moves up, so that each sealing gasket cut after stamping can be lifted up and separated from the plate to be processed, and the effect of automatic discharging is achieved.

[0033] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, and the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any figure reference in the claims should not be regarded as limiting the claims involved.

[0034] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A sealing gasket stamping forming fixture, comprising a top seat (1), wherein a hydraulic cylinder (101) is fixedly mounted on the lower surface of the top seat (1), a balance plate (102) is fixedly mounted on one end of the piston rod of the hydraulic cylinder (101), an upper die (103) is fixedly mounted on the lower surface of the balance plate (102), a plurality of cutters (1032) are fixedly mounted on the lower surface of the upper die (103), a workbench (302) is provided below the upper die (103), and a lower die (304) is provided on the upper surface of the workbench (302), characterized in that: The workbench (302) has several supporting columns (301) fixedly installed on its lower surface. The other end of the supporting columns is fixedly installed with a base plate (3). The upper mold (103) has a buffer pad (1031) on its side wall. The lower mold (304) has several cutting grooves (3041) in its inner side wall. The cutting grooves (3041) are aligned vertically with the cutter (1032). When the cutter (1032) cuts downward and enters the cutting groove (3041), the cutter (1032) does not contact the inner wall of the cutting groove (3041).

2. The sealing gasket stamping forming tooling according to claim 1, characterized in that: Several guide rods (2) are fixedly installed on the lower surface of the top seat (1) near the four corner edges, and the other end of the guide rods (2) is fixedly connected to the worktable (302).

3. The sealing gasket stamping forming tooling according to claim 2, characterized in that: The balance plate (102) has a through hole, and several guide rods (2) are inserted into the through hole of the balance plate (102). The balance plate (102) slides along the direction of the guide rods (2).

4. The sealing gasket stamping forming tooling according to claim 1, characterized in that: The buffer pad (1031) is fixedly installed on the edge of the upper mold (103), and a plurality of the cutters (1032) are arranged inside the buffer pad (1031).

5. The sealing gasket stamping forming tooling according to claim 1, characterized in that: The lower mold (304) is symmetrically provided with fixing strips (303) on both sides. One side wall of the fixing strip (303) is fixedly connected to the worktable (302), and a groove is provided in the fixing strip (303).

6. The sealing gasket stamping forming tooling according to claim 1, characterized in that: Several of the aforementioned support columns (301) are fixedly installed at the four corners of the lower side wall of the workbench (302).

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