Die replacing device of punching machine

Abstract

The utility model discloses a die replacement device of a punching machine, which is convenient for realizing the replacement of a punching die, can improve the replacement efficiency and can reduce the working intensity at the same time. The die replacing device of the punching machine comprises a workbench of the punching machine. A fixed platform is mounted on a workbench of the punching machine; the fixed platform is detachably connected with a workbench of the punching machine; a turntable is arranged on the fixed platform; mold mounting grooves which are uniformly distributed along the circumference are formed in the turntable; a stamping die is arranged in the die mounting groove; a rotary table is arranged at one end of the fixed platform; a rotary table is rotationally mounted on the rotary table; a gear ring groove is formed in the bottom of the turntable; and a rotating gear matched with the gear ring groove and a driving motor for driving the rotating gear to rotate are arranged on one side of the rotary table. The die replacing device of the punching machine is convenient to operate, and the production efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the replacement of a punching die, in particular to a die replacement device for a punching machine. Background Art

[0002] The stamping production of the punching machine is mainly for the stamping and forming of the sheet; specifically, the die can be used to make blanking, punching, forming, drawing, trimming, fine blanking, shaping, riveting and extrusion parts, etc., which are widely used in various fields. For example, commonly used switches and sockets, cups, cupboards, plates, computer cases, there are many accessories that can be produced by punching machines through molds.

[0003] Different parts need to be produced with different stamping dies, so the same stamping machine needs to be replaced when producing parts of different specifications. In the prior art, the mold is generally disassembled and reinstalled manually to achieve replacement. Therefore, in the process of replacing the mold in the prior art, the work intensity is high and the efficiency is low. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a die replacement device for a punching machine which is convenient for replacing a punching die, can improve the replacement efficiency and reduce the working intensity.

[0005] The technical solution adopted by the utility model to solve the technical problem is: a die replacement device for a punching machine comprises a working table of the punching machine; a fixed platform is installed on the working table of the punching machine;

[0006] The fixed platform is detachably connected to the workbench of the punching machine; a turntable is provided on the fixed platform;

[0007] The turntable is provided with mold installation grooves evenly distributed along the circumference; a stamping mold is arranged in the mold installation groove;

[0008] A turntable is provided at one end of the fixed platform; a rotating shaft is provided on the turntable; the rotating shaft passes through the turntable; and a bearing and a locking nut are provided at one end of the rotating shaft;

[0009] A thrust bearing is arranged between the bottom of the turntable and the upper surface of the fixed platform; a gear ring groove is arranged at the bottom of the turntable; a rotating gear matching the gear ring groove and a driving motor driving the rotating gear to rotate are arranged on one side of the turntable.

[0010] Furthermore, a radial slide groove is provided in the mold mounting groove; a rotating screw is provided in the slide groove; guide rods are provided on both sides of the rotating screw; a turntable is extended out of one end of the rotating screw and a rotating adjustment head is provided; a slider is slidably installed in the slide groove; and a stamping mold is installed on the slider.

[0011] Furthermore, a locking nut is provided on the rotating screw between the rotating adjustment head and the turntable.

[0012] Furthermore, the slider is detachably connected to the stamping die;

[0013] The slide block is provided with a mold positioning hole; the bottom of the stamping mold is provided with a positioning pin matching the mold positioning hole.

[0014] Furthermore, the thrust bearing includes a first thrust bearing and a second thrust bearing; the second thrust bearing is an inner ring thrust bearing; the first thrust bearing is an outer ring thrust bearing; and the second thrust bearing is located inside the first thrust bearing.

[0015] Furthermore, rotating gears and driving motors are provided on both sides of the turntable.

[0016] Furthermore, the fixed platform is detachably connected to the workbench of the punching machine via bolts.

[0017] The beneficial effects of the utility model are as follows: the die replacement device of a punching machine described in the utility model has the following advantages over the traditional punching die replacement:

[0018] 1. By arranging multiple stamping dies on a turntable, the stamping dies can be replaced by rotating the turntable, which is easy to operate and replace, can improve replacement efficiency and reduce labor intensity of workers.

[0019] 2. Secondly, a slide groove is provided in the mold installation cavity for installing the stamping mold, and a position-adjustable slider is provided in the slide groove. The stamping mold is installed on the slider, so that the position fine-tuning after replacing the stamping mold is convenient, and the stamping accuracy can be guaranteed.

[0020] 3. When the stamping die needs to be replaced, the stamping die station that needs to be replaced can be rotated out of one side of the stamping machine and replaced on the other side of the stamping machine. Therefore, it is easy to operate and will not affect the normal stamping work of the stamping machine; it can improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a three-dimensional diagram of the mold replacement device of the punching machine installed on the punching machine in the embodiment of the utility model;

[0022] Figure 2 It is a three-dimensional diagram of a die replacement device of a punching machine in an embodiment of the utility model;

[0023] Figure 3 It is a top view of the die replacement device of the punching machine in the embodiment of the utility model;

[0024] Figure 4It is a side view of a die replacement device of a punching machine in an embodiment of the utility model;

[0025] Figure 5 yes Figure 4 AA section view;

[0026] Figure 6 It is an exploded schematic diagram of a die replacement device of a punching machine in an embodiment of the utility model;

[0027] Figure 7 yes Figure 6 A partial enlarged view of B.

[0028] The attached drawings show: 100 - punching machine, 200 - die changing device. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0030] like Figures 1 to 7 As shown, the die replacement device of the punching machine of the utility model comprises a working table of the punching machine 100; it is characterized in that: a fixed platform 210 is installed on the working table of the punching machine 100;

[0031] The fixed platform 210 is detachably connected to the workbench of the punching machine 100; a turntable 220 is provided on the fixed platform 210;

[0032] The turntable 220 is provided with mold installation grooves 221 evenly distributed along the circumference; a stamping mold 230 is arranged in the mold installation groove 221;

[0033] A turntable 211 is disposed at one end of the fixed platform 210; a rotating shaft 212 is disposed on the turntable 211; the rotating shaft 212 passes through the turntable 220; and a bearing 240 and a locking nut 250 are disposed at one end of the rotating shaft 212;

[0034] A thrust bearing is arranged between the bottom of the turntable 220 and the upper surface of the fixed platform 210; a gear ring groove 2210 is arranged at the bottom of the turntable 220; a rotating gear 215 matching the gear ring groove 2210 and a driving motor 216 driving the rotating gear 215 to rotate are arranged on one side of the turntable 211.

[0035] During the working process, when the stamping die needs to be replaced to generate a new part, the machine only needs to be stopped; then the turntable 220 is rotated; so that the stamping die 230 on the turntable 220 that can generate the corresponding part is rotated to just below the punching head of the punching machine 100; and positioning is achieved. In the process of rotating the turntable, the cylinder can be rotated manually. In order to ensure the accuracy of the rotation position, the turntable is driven by the driving motor 216 to rotate, so as to facilitate the adjustment of the rotation angle and position.

[0036] Specifically, in order to facilitate fine-tuning of the position of the stamping die 230, a radial slide groove 222 is provided in the die mounting groove 221; a rotating screw 225 is provided in the slide groove 222; guide rods 226 are provided on both sides of the rotating screw 225; one end of the rotating screw 225 extends out of the turntable 220 and is provided with a rotating adjustment head 227; a slider 223 is slidably installed in the slide groove 222; and the stamping die 230 is installed on the slider 223.

[0037] The slider 223 can be moved in the slide groove 222 by rotating the screw rod 225 , thereby driving the stamping die 230 to move and adjust the position of the stamping die 230 .

[0038] In summary, the die replacement device of the stamping machine described in the utility model arranges multiple stamping dies on a turntable and realizes the replacement of the stamping dies by rotating the turntable, so that the operation is simple and the replacement is convenient, the replacement efficiency can be improved, and the labor intensity of workers can be reduced.

[0039] Secondly, a slide groove is provided in the mold installation cavity for installing the stamping mold, and a position-adjustable slider is provided in the slide groove. The stamping mold is installed on the slider, so that the position fine-tuning after replacing the stamping mold is convenient, and the stamping accuracy can be guaranteed;

[0040] Thirdly, when the stamping die needs to be replaced, the stamping die station that needs to be replaced can be rotated out of one side of the stamping machine and replaced on the other side of the stamping machine. Therefore, it is easy to operate and will not affect the normal stamping work of the stamping machine; it can improve the production efficiency.

[0041] In order to fix the stamping die 230 after the position of the stamping die 230 is adjusted and prevent the stamping die 230 from moving, a locking nut is further provided on the rotating screw rod 225 between the rotating adjustment head 227 and the turntable 220. The screw rod 225 is locked by the locking nut to prevent the screw rod 225 from rotating, thereby realizing the positioning of the stamping die 230.

[0042] In order to facilitate the rapid replacement of the stamping die 230, further, in a feasible embodiment, the slider 223 is detachably connected to the stamping die 230; a die positioning hole 224 is provided on the slider 223; and a positioning pin matching the die positioning hole 224 is provided at the bottom of the stamping die 230.

[0043] In order to ensure the smooth rotation of the turntable 220 and the turntable can withstand a large stamping force during the stamping process, further, in a feasible embodiment, the thrust bearing includes a first thrust bearing 228 and a second thrust bearing 229; the second thrust bearing 229 is an inner ring thrust bearing; the first thrust bearing 228 is an outer ring thrust bearing; the second thrust bearing 229 is located in the first thrust bearing 228.

[0044] In order to facilitate the control of the rotation of the turntable 220 , further, in a feasible embodiment, a rotating gear 215 and a driving motor 216 are provided on both sides of the turntable 211 .

[0045] In order to facilitate the installation of the mold replacement device, further, in a feasible embodiment, the fixed platform 210 is detachably connected to the workbench of the punching machine 100 by bolts.

Claims

1. A die replacement device for a punching machine, comprising a working table of a punching machine (100); characterized in that: A fixed platform (210) is installed on the workbench of the punching machine (100); The fixed platform (210) is detachably connected to the workbench of the punching machine (100); a rotating disk (220) is provided on the fixed platform (210); The rotating disk (220) is provided with mold installation grooves (221) evenly distributed along the circumference; a stamping mold (230) is arranged in the mold installation groove (221); A turntable (211) is disposed at one end of the fixed platform (210); a rotating shaft (212) is disposed on the turntable (211); the rotating shaft (212) passes through the turntable (220); and a bearing (240) and a locking nut (250) are disposed at one end of the rotating shaft (212); A thrust bearing is provided between the bottom of the rotating disk (220) and the upper surface of the fixed platform (210); a gear ring groove (2210) is provided at the bottom of the rotating disk (220); and a rotating gear (215) matching the gear ring groove (2210) and a driving motor (216) driving the rotating gear (215) to rotate are provided on one side of the rotating platform (211).

2. The die replacement device for a punching machine according to claim 1, characterized in that: A radially extending slide groove (222) is provided in the mold installation groove (221); a rotating screw rod (225) is provided in the slide groove (222); guide rods (226) are provided on both sides of the rotating screw rod (225); one end of the rotating screw rod (225) extends out of the turntable (220) and is provided with a rotating adjustment head (227); a sliding block (223) is slidably installed in the slide groove (222); and a stamping mold (230) is installed on the sliding block (223).

3. The die replacement device for a punching machine according to claim 2, characterized in that: A locking nut is provided on the rotating screw rod (225) between the rotating adjustment head (227) and the rotating disk (220).

4. The die replacement device for a punching machine according to claim 2, characterized in that: The slider (223) is detachably connected to the stamping die (230); The slider (223) is provided with a die positioning hole (224); and the bottom of the stamping die (230) is provided with a positioning pin matching the die positioning hole (224).

5. The die replacement device for a punching machine according to claim 2, characterized in that: The thrust bearing comprises a first thrust bearing (228) and a second thrust bearing (229); the second thrust bearing (229) is an inner ring thrust bearing; the first thrust bearing (228) is an outer ring thrust bearing; and the second thrust bearing (229) is located inside the first thrust bearing (228).

6. The die replacement device for a punching machine according to claim 1, characterized in that: Rotating gears (215) and driving motors (216) are provided on both sides of the turntable (211).

7. The die replacement device for a punching machine according to claim 6, characterized in that: The fixed platform (210) is detachably connected to the workbench of the punching machine (100) via bolts.

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