Improved punching die

By designing an improved punching die and combining it with a hydraulic cylinder and a motor drive, the ability to quickly change the cutter and frame, as well as to quickly unload the workpiece, was realized. This solved the problems of the limitations and low efficiency of existing dies, and improved the flexibility and efficiency of processing.

CN222326396UActive Publication Date: 2025-01-10ENGEL MICRO RUBBER & PLASTIC TECHNOLOGY (GUANGZHOU) CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421107232.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-20
Publication Date
2025-01-10
Estimated Expiration
2034-05-20

AI Technical Summary

Technical Problem

Existing punching dies have limitations and low efficiency in processing, especially when punching workpieces of different specifications, they cannot quickly change dies and cut materials.

Method used

An improved punching die was designed, which enables rapid replacement of the cutter and frame through the cooperation of a hydraulic cylinder-driven punching device and a blanking device, and enables rapid blanking of the workpiece through a motor-driven blanking device.

Benefits of technology

It enables diverse mold adjustments and improves processing efficiency, reduces limitations, and enhances the continuity and efficiency of the punching process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222326396U_ABST
    Figure CN222326396U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of punching dies, in particular to an improved punching die which comprises a base and supporting columns, the multiple supporting columns are fixedly connected to the surface of the base, a discharging device is arranged on the surface of the base, straight plates are symmetrically and fixedly connected to the surface of the base, the straight plates on the two sides are fixedly connected with a transverse plate, and the transverse plate is fixedly connected with the base. According to the improved punching die, through cooperation of a punching device and a hydraulic cylinder, an operator pulls a pull rod, so that the pull rod is not connected with a through hole in the surface of an insertion rod in a clamped mode any more, the insertion rods on the two sides can be taken out from the interior of a fixing plate, a cutter can be taken down and replaced, meanwhile, bolts on the two sides are rotationally taken down, and therefore the punching efficiency is improved. According to the operation, the cutter and the frame body are fixed again, the cutter and the frame body can be replaced, so that the device can be adjusted more diverse, and the limitation of the device is reduced.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of punching and cutting dies, in particular to an improved punching and cutting die. Background Art

[0002] The die is the core component in the stamping process, which determines the precision, efficiency and quality of the stamping process. The main function of the die is to convert the mechanical force and energy in the stamping process into the required shape and size.

[0003] For example, a punching die with the authorization announcement number "CN218744581U" can be used to punch holes in flexible flat cables of different specifications as long as their width is less than the width of the second die, without the need to re-open the die, thereby improving production efficiency and saving die opening costs. However, when punching a workpiece, the device can punch and process anything that is less than the width of the second die. The device can only process within a certain range and cannot be adjusted in a variety of ways, resulting in significant limitations when processing the device. At the same time, the device is not convenient for quickly unloading the punched part when punching, which makes it inconvenient for the device to perform continuous processing, resulting in reduced work efficiency. Utility Model Content

[0004] The utility model aims to solve the problems of large limitation and low working efficiency of the device and proposes an improved punching die.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An improved punching die is designed, comprising a base and support columns, a plurality of support columns are fixedly connected to the surface of the base, a feeding device is provided on the surface of the base, straight plates are symmetrically fixedly connected to the surface of the base, the straight plates on both sides are fixedly connected to horizontal plates, a first box body is fixedly connected to the surface of the horizontal plate, a hydraulic cylinder is fixedly connected to the inner surface of the first box body, the telescopic end of the hydraulic cylinder passes through the surface of the first box body, a punching device is provided on the telescopic end of the hydraulic cylinder, and a groove is opened on the surface of the base.

[0007] Preferably, the unloading device includes a second box body and a motor, the second box body is fixedly connected to the surface of the base, the inner surface of the second box body is fixedly connected to the motor through a bracket, the output shaft of the motor is fixedly connected to a first rotating rod, one end of the first rotating rod is movably connected to one end of the second rotating rod through a pin shaft, one end of the second rotating rod is movably connected to a surface of a slider through a pin shaft, the surface of the slider is slidably connected to a slideway provided on the surface of the base, the surface of the slider is fixedly connected to a push rod, one end of the push rod passes through the surface of the second box body and is fixedly connected to the surface of a push plate, the push plate is slidably connected to the surface of the base, and the inner surface of the second box body is fixedly connected to a rubber rod.

[0008] Preferably, one end of each of the plurality of support columns is fixedly connected to the surface of the processing table, and the processing table is slidably engaged with the surface of the frame through a through hole provided on the surface.

[0009] Preferably, threaded blocks are symmetrically fixedly connected to the surface of the frame, the threaded blocks on both sides are slidably connected to bolts through through holes opened on the surface, and one end of the bolts on both sides is threadedly connected to threaded holes opened on the surface of the processing table.

[0010] Preferably, the punching device includes a fixed plate and a pull rod, the fixed plate is fixedly connected to the telescopic end of the hydraulic cylinder, the surface of the fixed plate is tightly pressed against the cutter surface, the cutter surface is symmetrically fixedly connected with blocks, the surfaces of the blocks on both sides are fixedly connected with plug rods, one end of the plug rods on both sides penetrates the surface of the fixed plate, through holes are provided on the surfaces of the plug rods on both sides, the fixed plate is slidably connected to the surfaces of the two pull rods through a slideway provided on the inner surface, the surface of the pull rod is fixedly connected with a slider 2, and the surface of the slider 2 is slidably engaged with the slideway provided on the inner surface of the fixed plate.

[0011] Preferably, one end of the pull rod passes through the surface of the plug rod through a through hole opened on the surface of the plug rod, and the surface of the fixing plate is tightly pressed against the surfaces of the blocks on both sides.

[0012] An improved punching and cutting die proposed by the utility model has the beneficial effect that: through the cooperation of the punching and cutting device and the hydraulic cylinder, the operator pulls the pull rod so that the pull rod is no longer engaged with the through hole on the surface of the plug rod, so that the plug rods on both sides can be taken out from the inside of the fixed plate, so that the cutter can be removed and replaced, and at the same time, the bolts on both sides are rotated and removed, so that the frame can be removed and antibodies with different sizes of inner holes can be replaced. According to the above operations, the cutter and the frame can be fixed again. By being able to replace the cutter and the frame, the device can be adjusted in a more diverse manner, reducing the limitations of the device.

[0013] Through the cooperation of the unloading device and the base, the workpiece is placed on the surface of the processing table, and the telescopic end of the hydraulic cylinder is extended to drive the fixed plate to move synchronously, so that the fixed plate can drive the cutter to move synchronously, and the cutter can cooperate with the frame to perform punching processing on the workpiece, and the punched part can pass through the frame and fall to the surface of the base, and the external power supply of the motor is turned on, and the output shaft of the motor is started to rotate to drive the first rotating rod to rotate a certain angle. At the same time, the first rotating rod can drive the second rotating rod to move, so that the second rotating rod can push the slider one to move synchronously, so that the slider one can drive the push rod to move synchronously, so that the push rod can drive the push plate to push the workpiece out of the base surface, and the punched workpiece can be quickly unloaded to improve the working efficiency of the device. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0015] Figure 2 for Figure 1 A front cross-sectional view of

[0016] Figure 3 for Figure 1 A side cross-sectional view of

[0017] Figure 4 for Figure 1 A partial side sectional view of

[0018] Figure 5 It is a three-dimensional schematic diagram of the plunger, the block and the cutter;

[0019] Figure 6 for Figure 2 Schematic diagram of part A.

[0020] In the figure: 1. base, 2. unloading device, 201. second box body, 202. push plate, 203. motor, 204. first rotating rod, 205. slider 1, 206. second rotating rod, 207. rubber rod, 208. push rod, 3. processing table, 4. frame, 5. support column, 6. threaded block, 7. bolt, 8. straight plate, 9. punching device, 901. fixed plate, 902. pull rod, 903. slider 2, 904. insert rod, 905. block, 906. cutter, 10. horizontal plate, 11. first box body, 12. hydraulic cylinder. DETAILED DESCRIPTION

[0021] The utility model is further described below in conjunction with the accompanying drawings:

[0022] Refer to the attached Figure 1-6 : In the present embodiment, an improved punching die comprises a base 1 and a support column 5. A plurality of support columns 5 are fixedly connected to the surface of the base 1. A material discharge device 2 is provided on the surface of the base 1. Straight plates 8 are symmetrically fixedly connected to the surface of the base 1. Straight plates 8 on both sides are fixedly connected to a horizontal plate 10. A first box body 11 is fixedly connected to the surface of the horizontal plate 10. A hydraulic cylinder 12 is fixedly connected to the inner surface of the first box body 11. The hydraulic cylinder 12 can meet the working needs according to actual needs. The hydraulic cylinder 12 can drive the fixed plate 901 to move. The telescopic end of the hydraulic cylinder 12 passes through the surface of the first box body 11. The telescopic end of the hydraulic cylinder 12 is provided with a punching device 9. A groove is provided on the surface of the base 1. The inclined groove provided on the surface can make the raw material under punching slide out.

[0023] One ends of multiple support columns 5 are fixedly connected to the surface of the processing table 3, and the processing table 3 is slidably engaged with the surface of the frame 4 through the through holes opened on the surface. The surface of the frame 4 is symmetrically fixedly connected with threaded blocks 6, and the threaded blocks 6 on both sides are slidably connected to the bolts 7 through the through holes opened on the surface. The position of the frame 4 can be fixed by the bolts 7 on both sides. One ends of the bolts 7 on both sides are threadedly connected to the threaded holes opened on the surface of the processing table 3, and one end of the pull rod 902 passes through the surface of the plug rod 904 through the through hole opened on the surface of the plug rod 904. The pull rod 902 can fix the position of the plug rod 904, and the surface of the fixing plate 901 is tightly pressed against the surfaces of the blocks 905 on both sides.

[0024] The unloading device 2 includes a second box body 201 and a motor 203. The second box body 201 is fixedly connected to the surface of the base 1. The inner surface of the second box body 201 is fixedly connected to the motor 203 through a bracket. The motor 203 can meet the working needs according to actual needs. The motor 203 can be a servo motor. The output shaft of the motor 203 is fixedly connected to the first rotating rod 204. The motor 203 can drive the first rotating rod 204 to rotate a certain angle. One end of the first rotating rod 204 is movably connected to one end of the second rotating rod 206 through a pin shaft. The first rotating rod 204 can drive the second rotating rod 206 to move synchronously.

[0025] One end of the second rotating rod 206 is movably connected to the surface of the slider 205 through a pin shaft, the surface of the slider 205 is slidably connected to the slideway opened on the surface of the base 1, fixing the moving track of the slider 205, and the surface of the slider 205 is fixedly connected to a push rod 208, the slider 205 can drive the push rod 208 to move synchronously, one end of the push rod 208 passes through the surface of the second box 201 and is fixedly connected to the surface of the push plate 202, the push plate 202 is slidably connected to the surface of the base 1, and the inner surface of the second box 201 is fixedly connected to a rubber rod 207, the rubber rod 207 can provide buffering when the first rotating rod 204 returns to its original position.

[0026] The punching device 9 includes a fixed plate 901 and a pull rod 902. The fixed plate 901 is fixedly connected to the telescopic end of the hydraulic cylinder 12. The surface of the fixed plate 901 is tightly pressed against the surface of the cutter 906. The surface of the cutter 906 is symmetrically fixedly connected with blocks 905. The surfaces of the blocks 905 on both sides are fixedly connected with plug rods 904. The plug rods 904 can be inserted into the through holes on the surface of the fixed plate 901, and the plug rods 904 can be fixed by the pull rods 902. One end of the plug rods 904 on both sides passes through the surface of the fixed plate 901. Through holes are provided on the surfaces of the plug rods 904 on both sides. The fixed plate 901 is slidably connected to the surfaces of the two pull rods 902 through a slideway provided on the inner surface. The surface of the pull rod 902 is fixedly connected with a slider 903. The slider 903 can fix the moving position of the plug rod 902. The surface of the slider 903 is slidably engaged with the slideway provided on the inner surface of the fixed plate 901.

[0027] Working principle:

[0028] When punching a workpiece:

[0029] Punching process:

[0030] Place the workpiece on the surface of the processing table 3, connect the external power supply of the hydraulic cylinder 12, start the telescopic end of the hydraulic cylinder 12 to extend and drive the fixed plate 901 to move synchronously, so that the fixed plate 901 can drive the cutter 906 to move synchronously, so that the cutter 906 can cooperate with the frame 4 to punch the workpiece, and the punched part can pass through the frame 4 and fall to the surface of the base 1, connect the external power supply of the motor 203, start the output shaft of the motor 203 to rotate and drive the first rotating rod 204 to rotate a certain angle, and at the same time, the first rotating rod 204 can drive the second rotating rod 206 to move, so that the second rotating rod 206 can push the slider 205 to move synchronously, so that the slider 205 can drive the push rod 208 to move synchronously, so that the push rod 208 can drive the push plate 202 to push the workpiece out of the surface of the base 1.

[0031] Mold replacement process:

[0032] When the size and shape of the punching needs to be changed, the operator pulls the pull rod 902 so that the pull rod 902 is no longer engaged with the through hole on the surface of the plug rod 904, so that the plug rods 904 on both sides can be taken out from the inside of the fixed plate 901, so that the cutter 906 can be removed and replaced, and at the same time, the bolts 7 on both sides are rotated and removed so that the frame 4 can be removed and the antibody 4 with different sizes of the inner hole can be replaced. According to the above operations, the cutter 906 and the frame 4 can be fixed again.

[0033] Although the present invention has been shown and described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. An improved punching die, comprising a base (1) and a support column (5), wherein a plurality of support columns (5) are fixedly connected to the surface of the base (1), characterized in that: The surface of the base (1) is provided with a material discharge device (2); the surface of the base (1) is symmetrically fixedly connected with straight plates (8); the straight plates (8) on both sides are fixedly connected with a transverse plate (10); the surface of the transverse plate (10) is fixedly connected with a first box body (11); the inner surface of the first box body (11) is fixedly connected with a hydraulic cylinder (12); the telescopic end of the hydraulic cylinder (12) passes through the surface of the first box body (11); the telescopic end of the hydraulic cylinder (12) is provided with a punching device (9); and the surface of the base (1) is provided with a groove.

2. An improved punching die according to claim 1, characterized in that: The unloading device (2) comprises a second box (201) and a motor (203); the second box (201) is fixedly connected to the surface of the base (1); the inner surface of the second box (201) is fixedly connected to the motor (203) via a bracket; the output shaft of the motor (203) is fixedly connected to a first rotating rod (204); one end of the first rotating rod (204) is movably connected to one end of a second rotating rod (206) via a pin; one end of the second rotating rod (206) is connected to the motor (203) via a pin. The pin shaft is movably connected to the surface of the slider (205), the surface of the slider (205) is slidably connected to a slideway provided on the surface of the base (1), the surface of the slider (205) is fixedly connected to a push rod (208), one end of the push rod (208) passes through the surface of the second box (201) and is fixedly connected to the surface of the push plate (202), the push plate (202) is slidably connected to the surface of the base (1), and the inner surface of the second box (201) is fixedly connected to a rubber rod (207).

3. An improved punching die according to claim 1, characterized in that: One end of each of the plurality of support columns (5) is fixedly connected to the surface of the processing table (3), and the processing table (3) is slidably engaged with the surface of the frame (4) via a through hole provided on the surface.

4. An improved punching die according to claim 3, characterized in that: The surface of the frame (4) is symmetrically fixedly connected with threaded blocks (6), and the threaded blocks (6) on both sides are slidably connected to bolts (7) through through holes opened on the surface, and one end of the bolts (7) on both sides is threadedly connected to threaded holes opened on the surface of the processing table (3).

5. The improved punching die according to claim 1, characterized in that: The punching device (9) comprises a fixed plate (901) and a pull rod (902); the fixed plate (901) is fixedly connected to the telescopic end of the hydraulic cylinder (12); the surface of the fixed plate (901) is tightly pressed against the surface of the cutter (906); the surface of the cutter (906) is symmetrically fixedly connected with blocks (905); the surfaces of the blocks (905) on both sides are fixedly connected with plug rods (904); one end of the plug rods (904) on both sides penetrates the surface of the fixed plate (901); the surfaces of the plug rods (904) on both sides are provided with through holes; the fixed plate (901) is slidably connected to the surfaces of the two pull rods (902) via a slideway provided on the inner surface; the surface of the pull rod (902) is fixedly connected with a second slider (903); the surface of the second slider (903) is slidably engaged with the slideway provided on the inner surface of the fixed plate (901).

6. An improved punching die according to claim 5, characterized in that: One end of the pull rod (902) passes through the surface of the insertion rod (904) through a through hole provided on the surface of the insertion rod (904), and the surface of the fixing plate (901) is tightly pressed against the surfaces of the blocks (905) on both sides.