Stamping die with automatic reset discharging device and using method of stamping die

Abstract

The invention discloses a stamping die with an automatic reset discharging device and a using method thereof, and relates to the field of stamping die, the stamping die comprises a base and an upper die, a conveying belt is arranged on the right side of the base, a shielding assembly is movably connected in an inner cavity of the right side of the base, and a movable rod is rotatably connected in an inner cavity of the shielding assembly; guide assemblies are symmetrically installed at the two ends of the upper die, connecting bases are movably connected into inner cavities of the guide assemblies, a stamping assembly is installed at the bottom of a hydraulic lifting rod, a stamping part is installed in the center of the bottom of the stamping assembly, driving frames are symmetrically and movably connected to the two ends of an inner cavity of the stamping assembly, and discharging assemblies are movably connected into inner cavities of the driving frames. The bottom of the inner cavity of the discharging assembly is rotationally connected with a discharging wheel. According to the stamping die with the automatic reset discharging device and the using method of the stamping die, the stamping die is automatic in the whole process, and efficient feeding, discharging and stamping work can be conveniently conducted on materials needing to be stamped.

Description

Technical Field

[0001] The present invention relates to the field of stamping dies, and in particular to a stamping die with an automatic resetting discharging device and a use method thereof. Background Art

[0002] A stamping die consists of a fixed part and a movable part. The fixed part is fastened to the press's worktable with a pressure plate, bolts, and other components; the movable part is typically fastened to the press's slide. Stamping dies include blanking, drawing, bending, flanging, and curling dies, and are widely used in various fields, including automotive, electronics, and household hardware. When manufacturing a stamping die, a process analysis should be conducted based on the workpiece's shape characteristics, dimensional accuracy, and surface quality requirements to determine the basic steps. The number of steps should be determined based on process calculations. For drawn parts, the number of draws should also be calculated.

[0003] When using a stamping die to stamp materials, manual assistance is required for loading and unloading the materials, and manual assistance is required for the alignment of the materials, resulting in that safety cannot be guaranteed during actual work and the efficiency is also low.

[0004] Therefore, it is necessary to propose a stamping die with an automatic resetting discharging device and a method of using the same to solve the above problems. Summary of the Invention

[0005] The main purpose of the present invention is to provide a stamping die with an automatic resetting discharging device and a method of using the same, which can effectively solve the problems in the background technology.

[0006] To achieve the above object, the technical solution adopted by the present invention is: A stamping die with an automatic reset discharging device comprises a base and an upper die. A conveyor belt is provided on the right side of the base. A shielding assembly is movably connected to the inner cavity of the right side of the base. A movable rod is rotatably connected to the inner cavity of the shielding assembly. Guide assemblies are symmetrically installed at both ends of the upper mold, a connecting seat is movably connected in the inner cavity of the guide assembly, a hydraulic lifting rod is installed in the center of the top of the upper mold, a stamping assembly is installed at the bottom of the hydraulic lifting rod, and a stamping part is installed in the center of the bottom of the stamping assembly; The two ends of the inner cavity of the stamping component are symmetrically and movably connected to a driving frame, the inner cavity of the driving frame is movably connected to a discharging component, and the bottom of the inner cavity of the discharging component is rotatably connected to a discharging wheel.

[0007] Preferably, a connecting frame is installed at the conveyor belt, the left side of the connecting frame is installed on the right side of the base, a stamping groove with a size matching the stamping part is opened in the center of the base, and a waste channel is installed at the bottom of the connecting frame, and the waste channel is communicated with the inner cavity of the stamping groove.

[0008] Preferably, the top of the inner cavity of the shielding component is rotatably connected to a roller, the top of the roller and the top of the conveyor belt and the base are on the same axis, the right side of the inner cavity of the base is rotatably connected to a screw rod, a servo motor is installed at the bottom of the base, the top of the servo motor is connected to the screw rod through a first rotating shaft, and the left side of the shielding component is movably connected in the inner cavity of the base and is threadedly connected to the screw rod.

[0009] Preferably, a rotating motor is installed on the outer wall of the shielding assembly, the bottom of the rotating motor is connected to the top of the movable rod through a second rotating shaft, a hydraulic push rod is installed in the inner cavity of the movable rod, a telescopic rod is installed on the side of the hydraulic push rod, and the telescopic rod is movably connected in the inner cavity of the movable rod.

[0010] Preferably, a guide rod is installed in the inner cavity of the guide assembly, a limit block is installed at the bottom of the guide rod, a first spring is wrapped around the outer wall of the guide rod, and the top of the first spring is installed at the top of the inner cavity of the movable rod.

[0011] Preferably, the bottom of the first spring is installed on the top of the connecting seat, the connecting seat is sleeved on the outer wall of the guide rod, the limit block is movably connected in the inner cavity of the connecting seat, and the bottoms of the two connecting seats on opposite sides are symmetrically installed in the middle of the two ends of the stamping assembly.

[0012] Preferably, the side of the inner cavity of the stamping assembly is rotatably connected to a bidirectional screw, the outer wall of the stamping assembly is installed with a drive motor, the drive motor is connected to the bidirectional screw through a third rotating shaft, the two sides of the drive frame are symmetrically and movably connected to the two sides of the inner cavity of the stamping assembly, and the left side of the drive frame is threadedly connected to the outer wall of the bidirectional screw.

[0013] Preferably, fixed rods are symmetrically installed in the inner cavity at both ends of the discharging assembly, a second spring is wound around the outer wall of the fixed rod, one end of the second spring is installed in the inner cavity of the discharging assembly, and the other end of the second spring is connected to the driving frame, and the two ends of the inner cavity of the driving frame are movably connected in the inner cavity of the discharging assembly and are sleeved on the outer wall of the fixed rod.

[0014] Preferably, a belt is installed in the inner cavity of the discharging assembly, pulleys are installed on both sides of the belt inner cavity, a motor is installed on the outer wall of the discharging assembly, the motor is connected to one of the pulleys through a fourth rotating shaft, the pulley is connected to the discharging wheel, and the bottom of the discharging assembly and the bottom of the stamping part are on the same axis.

[0015] A method for using a stamping die with an automatic resetting discharging device includes the following steps: S1: Place the material to be stamped on the top of the conveyor belt, start the conveyor belt, and move the material to the roller through the conveyor belt. The roller and the conveyor belt can move the material to the top of the base. Start the servo motor to drive the screw to rotate, so that the left side of the shielding component is threadedly connected to the screw, so that the shielding component can rise. Based on this, the material in the transportation state on the top of the conveyor belt and the material to be processed on the top of the base can be separated; S2: According to the position of the material to be processed, the rotary motor and the hydraulic push rod are started. The hydraulic push rod drives the telescopic rod to expand, and the rotary motor drives the telescopic rod to rotate on the top of the base through the movable rod. Based on this, the material to be processed can be moved to the appropriate stamping station; S3: Start the guide assembly, and drive the discharge assembly to move toward the bottom through the punch assembly. After the discharge assembly drives the discharge wheel at the bottom to contact the top of the base, start the drive motor to drive the bidirectional screw to rotate, so that the side of the drive frame can be threadedly connected with it. At this time, the two discharge assemblies can move to the opposite side, and after contacting the material to be processed, they can be straightened and the punch assembly is reset; S4: Start the guide assembly to drive the stamping part and the discharge assembly to press down. The discharge assembly will first drive the discharge wheel to contact the material to be processed, based on which the material to be processed can be positioned. After the stamping part continues to press down, the material to be processed can be stamped. The waste material after stamping is discharged into the waste channel through the stamping groove and discharged; S5: After stamping is completed, the hydraulic lifting rod is lifted up, so that the stamped part can be separated from the material to be processed. At this time, the discharge wheel is still on the top of the material to be processed. The motor is started to drive the pulley and belt, so that the discharge wheel can move the material to be processed down; S6: After the hydraulic lifting rod drives the stamping assembly to reset, the second spring in the inner cavity of the discharge assembly can drive the discharge assembly to reset. When the stamping assembly moves, it will drive the connecting seat to move in the inner cavity of the guide assembly and the outer wall of the guide rod.

[0016] Compared with the prior art, the present invention provides a stamping die with an automatic resetting discharging device and a method for using the same, which has the following beneficial effects: The stamping die with an automatic resetting discharge device and the use method thereof can assist in material feeding processing through the provided conveyor belt and roller. After the material is delivered to the top of the base, the shielding component can be lifted to separate the base and the conveyor belt. Based on this, the material can be classified to avoid contact between the material and the material to be processed. This structure can automatically load the material during the stamping work, and can effectively improve the efficiency of the stamping, with a high degree of automation.

[0017] The stamping die with an automatic reset discharging device and the method of using the same can move on the outer wall of the guide rod through the provided connecting seat when the stamping assembly is performing stamping work, thereby achieving a guiding effect. When the stamping assembly is reset, the first spring provided in conjunction with the provided one can also achieve a quick reset effect.

[0018] The stamping die with an automatic resetting discharging device and the method of using the same can drive the two discharging components to move by starting a set driving motor, thereby allowing the material on the top of the base to be straightened to avoid manual contact, effectively improving the efficiency and safety of stamping, and through the set discharging wheel, the material can be unloaded after the stamping is completed. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic structural diagram of the present invention as a whole; Figure 2 It is a structural schematic diagram of the shielding assembly of the present invention; Figure 3 It is a structural schematic diagram of the upper mold of the present invention; Figure 4 It is a structural schematic diagram of the stamping assembly of the present invention; Figure 5 It is a structural schematic diagram of the discharge assembly of the present invention.

[0020] In the figure: 1. Connecting frame; 2. Conveyor belt; 3. Base; 4. Upper mold; 5. Shielding assembly; 6. Roller; 7. Rotating motor; 8. Screw; 9. Servo motor; 10. Movable rod; 11. Hydraulic push rod; 12. Telescopic rod; 13. Hydraulic lifting rod; 14. Guide assembly; 15. Guide rod; 16. First spring; 17. Limit block; 18. Connecting seat; 19. Stamping assembly; 20. Drive motor; 21. Drive frame; 22. Bidirectional screw; 23. Stamping part; 24. Discharging assembly; 25. Fixed rod; 26. Second spring; 27. Discharging wheel; 28. Pulley; 29. Belt; 30. Motor. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods. Example

[0022] like Figure 1-Figure 5As shown, a stamping die with an automatic reset discharging device includes a base 3 and an upper die 4. A conveyor belt 2 is provided on the right side of the base 3. A shielding component 5 is movably connected to the inner cavity of the right side of the base 3. A movable rod 10 is rotatably connected to the inner cavity of the shielding component 5. A connecting frame 1 is installed at the conveyor belt 2. The left side of the connecting frame 1 is installed on the right side of the base 3. A stamping groove with a size that matches the stamping part 23 is opened in the center of the base 3. A waste channel is installed at the bottom of the connecting frame 1. The waste channel is communicated with the inner cavity of the stamping groove. The top of the inner cavity of the shielding component 5 is rotatably connected to a roller 6. The top of the roller 6 is connected to the conveyor belt 2. The belt 2 is coaxial with the top of the base 3. The right side of the inner cavity of the base 3 is rotatably connected to the screw 8. The bottom of the base 3 is installed with a servo motor 9. The top of the servo motor 9 is connected to the screw 8 through a first rotating shaft. The left side of the shielding component 5 is movably connected in the inner cavity of the base 3 and is threadedly connected to the screw 8. The outer wall of the shielding component 5 is installed with a rotating motor 7. The bottom of the rotating motor 7 is connected to the top of the movable rod 10 through a second rotating shaft. A hydraulic push rod 11 is installed in the inner cavity of the movable rod 10. A telescopic rod 12 is installed on the side of the hydraulic push rod 11. The telescopic rod 12 is movably connected in the inner cavity of the movable rod 10; The provided conveyor belt 2 and roller 6 can assist in material feeding. After the material is delivered to the top of the base 3, the shielding component 5 can be lifted to separate the base 3 and the conveyor belt 2. Based on this, the material can be classified to avoid contact between the material and the material to be processed. This structure can automatically load the material during stamping work, effectively improve the efficiency of stamping, and has a high degree of automation. Example

[0023] like Figure 1-Figure 5 As shown, a stamping die with an automatic reset discharging device, guide assemblies 14 are symmetrically installed at both ends of the upper die 4, and a connecting seat 18 is movably connected in the inner cavity of the guide assembly 14, a hydraulic lifting rod 13 is installed in the center of the top of the upper die 4, a stamping assembly 19 is installed at the bottom of the hydraulic lifting rod 13, and a stamping part 23 is installed in the center of the bottom of the stamping assembly 19, a guide rod 15 is installed in the inner cavity of the guide assembly 14, a limiting block 17 is installed at the bottom of the guide rod 15, a first spring 16 is wound around the outer wall of the guide rod 15, the top of the first spring 16 is installed at the top of the inner cavity of the movable rod 10, the bottom of the first spring 16 is installed at the top of the connecting seat 18, the connecting seat 18 is sleeved on the outer wall of the guide rod 15, the limiting block 17 is movably connected in the inner cavity of the connecting seat 18, and the bottoms of the opposite sides of the two connecting seats 18 are symmetrically installed in the center of both ends of the stamping assembly 19; Through the provided connecting seat 18, when the stamping assembly 19 performs stamping work, it can move on the outer wall of the guide rod 15, based on which it can have a guiding effect. When the stamping assembly 19 is reset, the first spring 16 provided in conjunction with it can also have a quick reset effect. Example

[0024] like Figure 1-Figure 5 As shown, a stamping die with an automatic reset discharging device is shown. The two ends of the inner cavity of the stamping component 19 are symmetrically connected with a driving frame 21, and the inner cavity of the driving frame 21 is movably connected with a discharging component 24. The bottom of the inner cavity of the discharging component 24 is rotatably connected with a discharging wheel 27, and the side of the inner cavity of the stamping component 19 is rotatably connected with a bidirectional screw rod 22. The outer wall of the stamping component 19 is installed with a driving motor 20, and the driving motor 20 is connected to the bidirectional screw rod 22 through a third rotating shaft. The two sides of the driving frame 21 are symmetrically connected to the two sides of the inner cavity of the stamping component 19. The left side of the driving frame 21 is threadedly connected to the outer wall of the bidirectional screw rod 22. The inner cavity at both ends of the discharging component 24 is symmetrically installed. There is a fixed rod 25, the outer wall of the fixed rod 25 is wound with a second spring 26, one end of the second spring 26 is installed in the inner cavity of the discharge assembly 24, and the other end of the second spring 26 is connected to the driving frame 21. The two ends of the inner cavity of the driving frame 21 are movably connected in the inner cavity of the discharge assembly 24 and sleeved on the outer wall of the fixed rod 25. A belt 29 is installed in the inner cavity of the discharge assembly 24, and pulleys 28 are installed on both sides of the inner cavity of the belt 29. A motor 30 is installed on the outer wall of the discharge assembly 24, and the motor 30 is connected to one of the pulleys 28 through a fourth rotating shaft. The pulley 28 is connected to the discharge wheel 27. The bottom of the discharge assembly 24 and the bottom of the stamping part 23 are on the same axis. By starting the set drive motor 20, the two discharge components 24 can be driven to move, based on which the material on the top of the base 3 can be straightened to avoid manual contact, which can effectively improve the efficiency and safety of stamping, and through the set discharge wheel 27, the material can be unloaded after the stamping is completed.

[0025] A method for using a stamping die with an automatic resetting discharging device includes the following steps: S1: Place the material to be stamped on the top of the conveyor belt 2, start the conveyor belt 2, and move the material to the roller 6 through the conveyor belt 2. The roller 6 cooperates with the conveyor belt 2 to move the material to the top of the base 3. Start the servo motor 9 to drive the screw rod 8 to rotate, so that the left side of the shielding component 5 is threadedly connected to the screw rod 8, so that the shielding component 5 can rise. Based on this, the material in the transportation state on the top of the conveyor belt 2 and the material to be processed on the top of the base 3 can be separated; S2: According to the position of the material to be processed, the rotary motor 7 and the hydraulic push rod 11 are started. The hydraulic push rod 11 drives the telescopic rod 12 to unfold. The rotary motor 7 drives the telescopic rod 12 to rotate on the top of the base 3 through the movable rod 10. Based on this, the material to be processed can be moved to the appropriate stamping station; S3: Start the guide assembly 14, and drive the discharge assembly 24 to move toward the bottom through the punch assembly 19. After the discharge assembly 24 drives the discharge wheel 27 at the bottom to contact the top of the base 3, start the drive motor 20 to drive the bidirectional screw 22 to rotate, so that the side of the drive frame 21 can be threadedly connected with it. At this time, the two discharge assemblies 24 can move to the opposite side, and can be straightened after contacting the material to be processed, and the punch assembly 19 is reset; S4: Start the guide assembly 14, driving the stamping part 23 and the discharge assembly 24 to press down. The discharge assembly 24 will first drive the discharge wheel 27 to contact the material to be processed, based on which the material to be processed can be positioned. After the stamping part 23 continues to press down, the material to be processed can be stamped. The waste material after stamping is discharged into the waste channel through the stamping groove and discharged; S5: After the stamping is completed, the hydraulic lifting rod 13 is lifted up, so that the stamping part 23 can be separated from the material to be processed. At this time, the discharge wheel 27 is still on the top of the material to be processed. The motor 30 is started to drive the pulley 28 and the belt 29, so that the discharge wheel 27 can move the material to be processed to the lower position; S6: After the hydraulic lifting rod 13 drives the stamping assembly 19 to reset, the second spring 26 in the inner cavity of the discharge assembly 24 can drive the discharge assembly 24 to reset. When the stamping assembly 19 moves, it will drive the connecting seat 18 to move in the inner cavity of the guide assembly 14 and the outer wall of the guide rod 15.

[0026] The basic principles, main features, and advantages of the present invention are shown and described above. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and modifications may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and modifications are intended to fall within the scope of the present invention. The scope of protection claimed in the present invention is defined by the appended claims and their equivalents.

Claims

1. A stamping die with an automatic reset discharging device, comprising a base (3) and an upper die (4), characterized in that: A conveyor belt (2) is provided on the right side of the base (3); a shielding component (5) is movably connected to the inner cavity of the right side of the base (3); and a movable rod (10) is rotatably connected to the inner cavity of the shielding component (5); Guide assemblies (14) are symmetrically mounted on both ends of the upper mold (4), a connecting seat (18) is movably connected in the inner cavity of the guide assembly (14), a hydraulic lifting rod (13) is mounted in the center of the top of the upper mold (4), a stamping assembly (19) is mounted at the bottom of the hydraulic lifting rod (13), and a stamping part (23) is mounted in the center of the bottom of the stamping assembly (19); The two ends of the inner cavity of the punching assembly (19) are symmetrically and movably connected to a driving frame (21), the inner cavity of the driving frame (21) is movably connected to a discharge assembly (24), and the bottom of the inner cavity of the discharge assembly (24) is rotatably connected to a discharge wheel (27).

2. The stamping die with an automatic reset discharging device according to claim 1, characterized in that: A connecting frame (1) is installed at the conveyor belt (2), the left side of the connecting frame (1) is installed on the right side of the base (3), a punching groove with a size matching the punching part (23) is opened in the center of the base (3), and a waste channel is installed at the bottom of the connecting frame (1), and the waste channel is communicated with the inner cavity of the punching groove.

3. The stamping die with an automatic reset discharging device according to claim 1, characterized in that: The top of the inner cavity of the shielding component (5) is rotatably connected to a roller (6), the top of the roller (6) and the top of the conveyor belt (2) and the base (3) are on the same axis, the right side of the inner cavity of the base (3) is rotatably connected to a screw rod (8), the bottom of the base (3) is installed with a servo motor (9), the top of the servo motor (9) is connected to the screw rod (8) through a first rotating shaft, and the left side of the shielding component (5) is movably connected in the inner cavity of the base (3) and is threadedly connected to the screw rod (8).

4. The stamping die with an automatic reset discharging device according to claim 1, characterized in that: A rotating motor (7) is installed on the outer wall of the shielding component (5); the bottom of the rotating motor (7) is connected to the top of the movable rod (10) via a second rotating shaft; a hydraulic push rod (11) is installed in the inner cavity of the movable rod (10); a telescopic rod (12) is installed on the side of the hydraulic push rod (11); and the telescopic rod (12) is movably connected in the inner cavity of the movable rod (10).

5. The stamping die with an automatic reset discharging device according to claim 1, characterized in that: A guide rod (15) is installed in the inner cavity of the guide assembly (14), a limit block (17) is installed at the bottom of the guide rod (15), a first spring (16) is wound around the outer wall of the guide rod (15), and the top of the first spring (16) is installed at the top of the inner cavity of the movable rod (10).

6. The stamping die with an automatic reset discharging device according to claim 5, characterized in that: The bottom of the first spring (16) is mounted on the top of the connecting seat (18), the connecting seat (18) is sleeved on the outer wall of the guide rod (15), the limit block (17) is movably connected in the inner cavity of the connecting seat (18), and the bottoms of the two connecting seats (18) on opposite sides are symmetrically mounted in the middle of the two ends of the stamping assembly (19).

7. The stamping die with an automatic reset discharging device according to claim 1, characterized in that: The side of the inner cavity of the punching assembly (19) is rotatably connected to a bidirectional screw rod (22), and the outer wall of the punching assembly (19) is installed with a driving motor (20), and the driving motor (20) is connected to the bidirectional screw rod (22) through a third rotating shaft. The two sides of the driving frame (21) are symmetrically and movably connected to the two sides of the inner cavity of the punching assembly (19), and the left side of the driving frame (21) is threadedly connected to the outer wall of the bidirectional screw rod (22).

8. The stamping die with an automatic reset discharging device according to claim 1, characterized in that: Fixed rods (25) are symmetrically installed in the inner cavities at both ends of the discharge assembly (24), and a second spring (26) is wound around the outer wall of the fixed rod (25). One end of the second spring (26) is installed in the inner cavity of the discharge assembly (24), and the other end of the second spring (26) is connected to the driving frame (21). The two ends of the inner cavity of the driving frame (21) are movably connected in the inner cavity of the discharge assembly (24) and are sleeved on the outer wall of the fixed rod (25).

9. The stamping die with an automatic reset discharging device according to claim 1, characterized in that: A belt (29) is installed in the inner cavity of the discharge component (24), pulleys (28) are installed on both sides of the inner cavity of the belt (29), a motor (30) is installed on the outer wall of the discharge component (24), the motor (30) is connected to one of the pulleys (28) through a fourth rotating shaft, the pulley (28) is connected to the discharge wheel (27), and the bottom of the discharge component (24) and the bottom of the stamping part (23) are on the same axis.

10. A method for using a stamping die with an automatic reset discharging device, using the stamping die with an automatic reset discharging device according to any one of claims 1 to 9, characterized in that: The following steps are included: S1: Place the material to be punched on the top of the conveyor belt (2), start the conveyor belt (2), and move the material to the roller (6) through the conveyor belt (2). The roller (6) cooperates with the conveyor belt (2) to move the material to the top of the base (3). Start the servo motor (9) to drive the screw rod (8) to rotate, so that the left side of the shielding component (5) is threadedly connected to the screw rod (8), so that the shielding component (5) can rise. Based on this, the material in the transportation state on the top of the conveyor belt (2) and the material to be processed on the top of the base (3) can be separated; S2: According to the position of the material to be processed, the rotary motor (7) and the hydraulic push rod (11) are started, the hydraulic push rod (11) drives the telescopic rod (12) to unfold, and the rotary motor (7) drives the telescopic rod (12) to rotate on the top of the base (3) through the movable rod (10), based on which the material to be processed can be moved to a suitable stamping station; S3: Start the guide assembly (14), drive the discharge assembly (24) to move toward the bottom through the punch assembly (19), and after the discharge assembly (24) drives the discharge wheel (27) at the bottom to contact the top of the base (3), start the drive motor (20), drive the bidirectional screw (22) to rotate, so that the side of the drive frame (21) can be threadedly connected to it. At this time, the two discharge assemblies (24) can move to the opposite side, and can be straightened after contacting the material to be processed, and reset the punch assembly (19); S4: Start the guide assembly (14), drive the punching part (23) and the discharge assembly (24) to press down, the discharge assembly (24) will first drive the discharge wheel (27) to contact the material to be processed, based on which the material to be processed can be positioned, and the punching part (23) can be pressed down continuously to punch the material to be processed, and the waste material after punching is discharged into the waste channel through the punching groove and discharged; S5: After the stamping is completed, the hydraulic lifting rod (13) is lifted up, so that the stamping part (23) can be separated from the material to be processed. At this time, the discharge wheel (27) is still located on the top of the material to be processed, and the motor (30) is started to drive the pulley (28) and the belt (29), so that the discharge wheel (27) can move the material to be processed downward; S6: After the hydraulic lifting rod (13) drives the punching assembly (19) to reset, the second spring (26) in the inner cavity of the discharge assembly (24) can drive the discharge assembly (24) to reset. When the punching assembly (19) moves, it will drive the connecting seat (18) to move in the inner cavity of the guide assembly (14) and the outer wall of the guide rod (15).

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