Punching die convenient to fix

Abstract

The utility model discloses a punching die convenient to fix, and relates to the technical field of dies. The punching die convenient to fix comprises a lower die body, a punching assembly and a limiting mechanism, a containing table is fixedly installed at the top of the lower die body, an upper die body is arranged over the lower die body, the limiting mechanism is arranged on the containing table, the limiting mechanism comprises an annular plate and a limiting column, and an annular cavity is formed in the containing table; an annular plate is placed at the bottom of the inner side of the annular cavity, and at least two sets of limiting columns are fixedly installed at the top of the annular plate. According to the punching die convenient to fix, through cooperation of the containing table and the limiting mechanism, when a workpiece is placed, precise positioning can be achieved through limiting of all limiting columns, the punching position of the die is guaranteed, fixing of the workpiece can be rapidly relieved after punching is completed, the punched workpiece can be rapidly taken down, the punching precision of the die is improved, and the punching efficiency of the die is improved. And the practicability of the mold is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a punching mold which is easy to fix. Background Art

[0002] The application document with publication number CN219703179U discloses a punching die, which includes a lower die, wherein the upper surface of the lower die is movably connected to the fixed die at the axis center, the upper surface of the lower die is fixedly connected to the fixed column away from the right side of the fixed die, the top of the fixed column is fixedly connected to the top plate, a cylinder is arranged at the axis center of the lower surface of the top plate, the bottom of the output end of the cylinder is movably connected to the movable die, and an auxiliary device is arranged on the right surface of the movable die, the auxiliary device includes one end of the hinged support rod on the right surface of the movable die, the other end of the support rod is hinged to the sliding block, the left end of the fixed column is fixedly connected to the sliding groove near the lower side of the support rod, the protective cover cooperates with the punching head to clean the surface of the punching head, and at the same time, the extrusion of the protective cover makes the punching head positioned by the protective cover after each punching operation is completed, thereby improving the accuracy of punching, improving the service life of the punching head, and improving the usability of the punching die.

[0003] However, when the above-mentioned mold places the workpiece to be processed on the mold, it is not possible to accurately position it and align it with the punching head, which causes the manual placement of the workpiece to easily deviate, resulting in problems with the punching position and scrapping the workpiece. For this reason, we propose a punching mold that is easy to fix. Utility Model Content

[0004] The utility model aims to provide a punching die which is easy to fix, and can solve the problem that some existing dies are inconvenient for positioning workpieces.

[0005] To achieve the above purpose, the utility model provides the following technical solution: a punching die that is easy to fix, comprising:

[0006] The lower mold has a placement table fixedly installed on the top, and the upper mold is arranged just above the lower mold;

[0007] A punching assembly is arranged on the upper die and is used to punch holes in the workpiece;

[0008] A limiting mechanism is arranged on the placing table, and the limiting mechanism includes an annular plate and limiting columns. An annular cavity is opened inside the placing table, and an annular plate is placed on the inner bottom of the annular cavity. At least two groups of limiting columns are fixedly installed on the top of the annular plate, and one end of each group of limiting columns passes through the placing table and extends to the top of the placing table and is flush with the top surface of the placing table.

[0009] Preferably, the limiting mechanism also includes a reset spring, a top block, a limit rod and a pressing plate. At least two groups of reset springs are fixedly installed between the top of the annular plate and the inner top of the annular cavity. A top block is arranged on the front side of the placing table. The top block passes through the front side of the placing table and extends into the placing table through the annular groove. A limit rod is fixedly installed on the front outer surface of the placing table. A pressing plate is fixedly installed on the front outer surface of the top block. A through groove is opened on the top block, and the outer wall of the limit rod fits with the inner wall of the through groove.

[0010] Preferably, the punching assembly includes a mounting plate, a punching head and bolts. A slot is provided on the top of the upper mold, and the mounting plate is placed in the slot. A punching head is fixedly installed on the bottom of the mounting plate. The punching head passes through the upper mold and extends to directly below the upper mold. At least two groups of bolts are provided on the top of the mounting plate, and each group of bolts passes through the mounting plate and is threadedly installed on the upper mold.

[0011] Preferably, a groove is provided at the bottom of the lower mold, a collection box is provided in the groove, and a handle is fixedly mounted on the front outer surface of the collection box.

[0012] Preferably, a material drop hole is provided on the top of the placement table, and the material drop hole is communicated with the groove, so that the debris after punching can be directly collected.

[0013] Preferably, a rubber pad is fixedly mounted on the bottom of the lower mold, thereby improving the stability of the mold when placed on the working surface.

[0014] Preferably, four groups of hydraulic rods are fixedly installed on the top of the lower mold and arranged in a rectangular shape, and the free ends of the four groups of hydraulic rods are fixedly connected to the bottom of the upper mold.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] (1) The punching die that is easy to fix, through the cooperation of the placement table and the limit mechanism, can accurately position the workpiece through the limit of each limit column when placing the workpiece, so as to ensure the punching position of the die, and can quickly release the fixation of the workpiece after the punching is completed, so as to quickly remove the punched workpiece. This solves the problem that some existing molds cannot accurately position the workpiece to be processed when placing it on the mold so as to align it with the punching head, resulting in deviation in the position of the workpiece placed manually, causing problems with the punching position and scrapping of the workpiece, thereby improving the punching accuracy of the mold and enhancing the practicality of the mold.

[0017] (2) The punching die that is easy to fix can be used to dismantle and replace the punching head through the cooperation of the upper die and the punching assembly, so that it is convenient to replace the punching head when it is worn during long-term use. At the same time, under the action of the collection box, the debris punched out during the punching process can be collected into the collection box, thereby ensuring the use effect of the die and facilitating the promotion and use of the die. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0019] Figure 1 It is a front perspective view of the utility model;

[0020] Figure 2 It is a front view of the utility model;

[0021] Figure 3 It is a rear perspective cross-sectional view of the placement table of the utility model;

[0022] Figure 4 This is a frontal stereoscopic sectional view of the upper mold of the utility model;

[0023] Figure 5 It is a front perspective view of the collection box of the present utility model.

[0024] Figure numerals: 1. lower mold; 2. placing table; 3. upper mold; 4. limiting mechanism; 401. annular plate; 402. limiting column; 403. return spring; 404. top block; 405. limiting rod; 406. pressing plate; 5. punching assembly; 501. mounting plate; 502. punching head; 503. bolt; 6. blanking hole; 7. collecting box; 8. handle; 9. rubber pad; 10. hydraulic rod. DETAILED DESCRIPTION

[0025] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0026] See also Figure 1-5The utility model provides a technical solution: a punching die that is easy to fix, including a lower die 1, a punching assembly 5 and a limiting mechanism 4. A placing table 2 is fixedly installed on the top of the lower die 1, an upper die 3 is arranged just above the lower die 1, and the punching assembly 5 is arranged on the upper die 3. The punching assembly 5 is used to punch the workpiece. A groove is provided at the bottom of the lower die 1, and a collecting box 7 is arranged in the groove. A handle 8 is fixedly installed on the front outer surface of the collecting box 7. A blanking hole 6 is provided on the top of the placing table 2, and the blanking hole 6 is communicated with the groove. A rubber pad 9 is fixedly installed on the bottom of the lower die 1. Four groups of hydraulic rods 10 are fixedly installed on the top of the lower die 1 and arranged in a rectangular shape. The free ends of the four groups of hydraulic rods 10 are fixedly connected to the bottom of the upper die 3.

[0027] The limiting mechanism 4 is arranged on the placing table 2, and the limiting mechanism 4 includes an annular plate 401 and a limiting column 402. An annular cavity is opened inside the placing table 2, and an annular plate 401 is placed on the inner bottom of the annular cavity. At least two groups of limiting columns 402 are fixedly installed on the top of the annular plate 401, and one end of each group of limiting columns 402 passes through the placing table 2 and extends to the top of the placing table 2 and is flush with the top surface of the placing table 2.

[0028] The limiting mechanism 4 also includes a reset spring 403, a top block 404, a limit rod 405 and a pressing piece 406. At least two groups of reset springs 403 are fixedly installed between the top of the annular plate 401 and the inner top of the annular cavity. A top block 404 is arranged on the front side of the placement table 2. The top block 404 passes through the front side of the placement table 2 and extends into the placement table 2 through the annular groove. The limit rod 405 is fixedly installed on the front outer surface of the placement table 2. A pressing piece 406 is fixedly installed on the front outer surface of the top block 404. A through groove is opened on the top block 404, and the outer wall of the limit rod 405 is in contact with the inner wall of the through groove. Through the cooperation of the placement table 2 and the limiting mechanism 4, when the workpiece is placed, the limiting positioning of each limiting column 402 can be used to accurately position the workpiece, so as to ensure the punching position of the mold, and after the punching is completed, the fixation of the workpiece can be quickly released so that the punched workpiece can be quickly removed. This solves the problem that when some existing molds place the workpiece to be processed on the mold, it is not possible to accurately position it so as to align it with the punching head, which causes the manual placement position of the workpiece to be easily deviated, resulting in problems with the punching position and scrapping of the workpiece. This improves the punching accuracy of the mold and enhances the practicability of the mold.

[0029] The punching assembly 5 includes a mounting plate 501, a punching head 502 and bolts 503. A slot is provided on the top of the upper mold 3, in which the mounting plate 501 is placed. A punching head 502 is fixedly installed on the bottom of the mounting plate 501. The punching head 502 passes through the upper mold 3 and extends to just below the upper mold 3. At least two groups of bolts 503 are provided on the top of the mounting plate 501. Each group of bolts 503 passes through the mounting plate 501 and is threadedly installed on the upper mold 3. Through the cooperation of the upper mold 3 and the punching assembly 5, the punching head 502 can be disassembled and replaced, so that it is convenient to replace it when it is worn during long-term use. At the same time, under the action of the collection box 7, the debris punched out during the punching process can be collected into the collection box 7, which ensures the use effect of the mold and is conducive to the promotion and use of the mold.

[0030] Working principle: Pressing the pressing sheet 406 causes the top block 404 to move toward the annular cavity in the placement table 2 and lift up the annular plate 401. The annular plate 401 compresses each return spring 403 upward and pushes each limit column 402 out of the top surface of the placement table 2. The workpiece to be punched is placed on the placement table 2 and positioned against each return spring 403. Then, the free end of each hydraulic rod 10 is controlled to shorten, driving the upper mold 3 to descend, and the punching head 502 on the upper mold 3 punches and places. The workpiece on the table 2 is punched, and the debris after punching falls into the collection box 7 through the blanking hole 6. Then the upper mold 3 is raised and reset, and the pressing piece 406 is pulled outward, and the top block 404 is pulled out. The top block 404 no longer presses the annular plate 401. Under the rebound action of each reset spring 403, the annular plate 401 also drops and resets together with each limit column 402. Each limit column 402 retracts into the placement table 2. The staff can directly slide the workpiece off and then repeat the steps to process a new workpiece.

[0031] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A punching die that is easy to fix, characterized in that: include: A lower mold (1) has a placement table (2) fixedly mounted on its top, and an upper mold (3) is arranged directly above the lower mold (1); A punching assembly (5), which is arranged on the upper mold (3), and the punching assembly (5) is used to punch holes in the workpiece; A limiting mechanism (4) is arranged on the placing platform (2), the limiting mechanism (4) comprising an annular plate (401) and limiting columns (402), an annular cavity is provided inside the placing platform (2), an annular plate (401) is placed on the inner bottom of the annular cavity, at least two groups of limiting columns (402) are fixedly installed on the top of the annular plate (401), one end of each group of limiting columns (402) passes through the placing platform (2) and extends to the top of the placing platform (2) and is flush with the top surface of the placing platform (2).

2. A punching die that is easy to fix according to claim 1, characterized in that: The limiting mechanism (4) further comprises a reset spring (403), a top block (404), a limit rod (405) and a pressing plate (406); at least two groups of reset springs (403) are fixedly installed between the top of the annular plate (401) and the inner top of the annular cavity; a top block (404) is arranged on the front side of the placing table (2); the top block (404) passes through the front side of the placing table (2) and extends into the placing table (2) through the annular groove; a limit rod (405) is fixedly installed on the front outer surface of the placing table (2); a pressing plate (406) is fixedly installed on the front outer surface of the top block (404); a through groove is opened on the top block (404); the outer wall of the limit rod (405) fits with the inner wall of the through groove.

3. A punching die that is easy to fix according to claim 2, characterized in that: The punching assembly (5) comprises a mounting plate (501), a punching head (502) and bolts (503); a slot is provided on the top of the upper mould (3), the mounting plate (501) is placed in the slot, a punching head (502) is fixedly mounted on the bottom of the mounting plate (501), the punching head (502) passes through the upper mould (3) and extends to the bottom of the upper mould (3); at least two groups of bolts (503) are arranged on the top of the mounting plate (501), each group of bolts (503) passes through the mounting plate (501) and is threadedly mounted on the upper mould (3).

4. A punching die that is easy to fix according to claim 3, characterized in that: The bottom of the lower mold (1) is provided with a groove, a collection box (7) is arranged in the groove, and a handle (8) is fixedly mounted on the front outer surface of the collection box (7).

5. The punching die that is easy to fix according to claim 4 is characterized in that: A material drop hole (6) is provided on the top of the placement platform (2), and the material drop hole (6) is communicated with the groove.

6. A punching die that is easy to fix according to claim 5, characterized in that: A rubber pad (9) is fixedly mounted on the bottom of the lower mold (1).

7. The punching die that is easy to fix according to claim 6, characterized in that: Four groups of hydraulic rods (10) are fixedly mounted on the top of the lower mold (1) and arranged in a rectangular shape, and the free ends of the four groups of hydraulic rods (10) are fixedly connected to the bottom of the upper mold (3).

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