High-precision and high-efficiency small punching machine

Abstract

The utility model provides a small punching machine with high precision and high efficiency. The high-precision and high-efficiency small punching machine comprises a bottom plate; the stamping table is installed at the top of the bottom plate, a fixing frame is installed at the position, close to the back face, of the top of the stamping table, a driving assembly is installed on one side of the fixing frame, a movable opening is formed in the top of the fixing frame, and a crankshaft is rotationally connected to the interior of the movable opening; the outer surface of the crankshaft is rotationally connected with two rotating rings through two bearings, and the outer surfaces of the two rotating rings are fixedly connected with connecting rods. According to the high-precision and high-efficiency small punching machine, the driving assembly is adopted to directly drive the crankshaft through the design, control over the punching speed is achieved through setting of operation parameters of the driving assembly, and the transmission efficiency and the punching efficiency are improved; and meanwhile, the stamping stability is improved through the limiting rails, the rolling wheels, the first cushioning pad and the second cushioning pad, and the stamping precision is improved.

Description

Technical Field

[0001] This utility model relates to the field of high-precision small punch press technology, and in particular to a high-precision and high-efficiency small punch press. Background Technology

[0002] A punch press is a stamping press. In national production, stamping technology has become increasingly widely used because it saves materials and energy, is more efficient than traditional machining, does not require high operator skills, and can produce products that cannot be achieved by machining through the application of various molds.

[0003] The main functions of small punch presses include performing a series of processing on stamped parts and sheet metal, such as blanking, punching, forming, stretching, fine blanking, shaping and riveting. These operations are widely used in industries such as electronic components, instruments, hardware tools, toys, vehicles, machinery, and furniture.

[0004] Traditional small punch presses are driven by motors through intermediate transmission links such as belts and gears. The energy loss and mechanical wear of this transmission link will affect the efficiency of small punch presses, and the vibration generated during the stamping process will affect the stamping accuracy of small punch presses.

[0005] Therefore, it is necessary to provide a high-precision and high-efficiency small punch press to solve the above-mentioned technical problems. Utility Model Content

[0006] This invention provides a high-precision and high-efficiency small punch press, which solves the problems that the energy loss and mechanical wear caused by motor drive with belts, gears and intermediate transmission links affect the efficiency of the punch press, and that the vibration generated during the punching process affects the punching accuracy of the small punch press.

[0007] To solve the above-mentioned technical problems, the high-precision and high-efficiency small punch press provided by this utility model includes: a base plate;

[0008] A stamping table is mounted on top of a base plate. A fixed frame is mounted on the top of the stamping table near the back. A drive assembly is mounted on one side of the fixed frame. A movable opening is provided on the top of the fixed frame. A crankshaft is rotatably connected inside the movable opening. Two rotating rings are rotatably connected to the outer surface of the crankshaft via two bearings. A connecting rod is fixedly connected to the outer surface of each of the two rotating rings. A movable plate is rotatably connected to the bottom of each of the two connecting rods via a movable buckle. Two bayonets are provided on the back of the movable plate. Rollers are rotatably connected to both sides of the inner wall of each bayonet. A second mounting buckle is mounted on the bottom of the movable plate via a second shock-absorbing pad. A mounting plate is mounted on the bottom of the second mounting buckle via a second mounting block. An upper mold is mounted on the bottom of the mounting plate. Two limiting rails are mounted on the back of the inner wall of the fixed frame.

[0009] The first mounting buckle is mounted on the top of the stamping table via a first shock-absorbing pad. A fixing plate is mounted on the top of the first mounting buckle via a first mounting block. A lower mold is mounted on the top of the fixing plate. A first feeding assembly and a second feeding assembly are respectively mounted on the top of the stamping table near both sides.

[0010] The output end of the drive assembly is connected to the crankshaft. The second damping pad is made of rubber. The second mounting clip has openings on the front and bottom to facilitate the insertion of the second mounting block. After the second mounting block is installed, the second mounting clip is fixed with bolts. A direct-drive servo motor is directly connected to the slide or crankshaft of the punch press. The direct-drive servo motor has the advantages of fast response speed, high precision, and large torque. The crankshaft is made of high-strength alloy steel, and the journals, cranks, and other parts of the crankshaft are optimized and heat-treated to improve the strength and fatigue life of the crankshaft.

[0011] Preferably, the second feeding assembly includes a feeding frame, a plurality of conveying rollers, a mounting port, and a driving component, wherein the mounting port is used to mount the plurality of conveying rollers, and the driving component provides rotational driving force to one of the conveying rollers;

[0012] The conveyor rollers are rotatably connected to the top and bottom of the inner wall of the mounting port.

[0013] Preferably, a mounting base is installed on the top of the stamping table, and a control switch is installed on the top of the mounting base;

[0014] The control switch allows for manual control of the equipment operation on the base plate.

[0015] Preferably, a control box is mounted on the top of the base plate, and a door is rotatably connected to the front of the control box;

[0016] The control box contains power switches and controllers for operating the equipment.

[0017] Preferably, a mounting bracket is installed on the front of the fixing frame, and a monitoring component is installed on the bottom of the mounting bracket.

[0018] Preferably, the drive assembly includes a protective housing, a drive component, and an angle sensor, wherein the protective housing is used to mount the drive component;

[0019] An angle sensor, in conjunction with a drive component controller, can control the rotational speed and rotation angle of the drive component.

[0020] Compared with related technologies, the high-precision and high-efficiency small punch press provided by this utility model has the following advantages:

[0021] Beneficial effects:

[0022] This utility model provides a high-precision and high-efficiency small punch press. To improve the stamping accuracy and transmission efficiency of the small punch press, a movable opening is made at the top of the L-shaped fixed frame. A crankshaft driven by a drive assembly is then installed in the movable opening. Two connecting rods are then installed in the grooves of the crankshaft via rotating rings and bearings. A movable plate is installed at the bottom end of the two connecting rods via movable buckles. Two latches on the back of the movable plate engage with the outer surfaces of two limit rails, allowing rollers in the latches to slide on both sides of the limit rails, increasing the stability of the movable plate. The first mounting buckle is installed on the stamping table via a first damping pad. The second mounting buckle is installed below the movable plate via the second damping pad. The damping pad provides a shock absorption effect, improving stamping accuracy. The upper die is installed below the second mounting buckle via the first mounting block, while the lower die is installed above the first mounting buckle via the second mounting block, facilitating the replacement of different die models. This design uses a drive assembly to directly drive the crankshaft, and the stamping speed is controlled by setting the operating parameters of the drive assembly, improving transmission and stamping efficiency. At the same time, the limit rail and rollers, along with the first and second damping pads, increase stamping stability and improve stamping accuracy. Attached Figure Description

[0023] Figure 1 A schematic diagram of a preferred embodiment of the high-precision and high-efficiency small punch press provided by this utility model;

[0024] Figure 2 A schematic diagram of the conveyor roller is provided for this utility model;

[0025] Figure 3 This invention provides a structural schematic diagram of the first mounting block;

[0026] Figure 4 Provided for this utility model Figure 3 An enlarged view of point A shown;

[0027] Figure 5 A schematic diagram of the drive component is provided for this utility model.

[0028] The diagram labels are as follows: 1. Base plate, 2. Mounting base, 3. Stamping table, 4. First feeding assembly, 5. Control switch, 6. Drive assembly, 601. Protective shell, 602. Drive component, 603. Angle sensor, 7. Movable port, 8. Mounting bracket, 9. Monitoring component, 10. Upper mold, 11. Lower mold, 12. Fixing plate, 13. First mounting block, 14. First mounting buckle, 15. First shock-absorbing pad, 16. Movable plate. 7. Limit rail; 18. Fixing frame; 19. Second feeding assembly; 191. Feeding rack; 192. Conveying roller; 193. Mounting port; 194. Drive component; 20. Control box; 21. Box door; 22. Crankshaft; 23. Second mounting block; 24. Mounting plate; 25. Bayonet; 26. Bearing; 27. Rotating ring; 28. Connecting rod; 29. ​​Movable buckle; 30. Second mounting buckle; 31. Second damping pad; 32. Roller. Detailed Implementation

[0029] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0030] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic diagram of a preferred embodiment of the high-precision and high-efficiency small punch press provided by this utility model; Figure 2 A schematic diagram of the conveyor roller is provided for this utility model; Figure 3 This invention provides a structural schematic diagram of the first mounting block;

[0031] Figure 4 Provided for this utility model Figure 3 An enlarged view of point A shown; Figure 5 A schematic diagram of the drive component is provided for this utility model. The high-precision and high-efficiency small punch press includes: a base plate 1;

[0032] A stamping table 3 is installed on the top of the base plate 1. A fixed frame 18 is installed on the top of the stamping table 3 near the back. A drive assembly 6 is installed on one side of the fixed frame 18. A movable opening 7 is opened on the top of the fixed frame 18. A crankshaft 22 is rotatably connected inside the movable opening 7. Two rotating rings 27 are rotatably connected to the outer surface of the crankshaft 22 through two bearings 26. A connecting rod 28 is fixedly connected to the outer surface of each of the two rotating rings 27. A movable plate 16 is rotatably connected to the bottom end of each of the two connecting rods 28 through a movable buckle 29. Two bayonet slots 25 are opened on the back of the movable plate 16. Rollers 32 are rotatably connected to both sides of the inner wall of each of the two bayonet slots 25. A second mounting buckle 30 is installed at the bottom of the movable plate 16 through a second shock-absorbing pad 31. A mounting plate 24 is installed at the bottom of the second mounting buckle 30 through a second mounting block 23. An upper mold 10 is installed at the bottom of the mounting plate 24. Two limiting rails 17 are installed on the back of the inner wall of the fixed frame 18.

[0033] The first mounting buckle 14 is mounted on the top of the stamping table 3 via the first shock-absorbing pad 15. The top of the first mounting buckle 14 is mounted on the fixing plate 12 via the first mounting block 13. The top of the fixing plate 12 is mounted on the lower mold 11. The top of the stamping table 3 is mounted on the first feeding assembly 4 and the second feeding assembly 19 near the two sides.

[0034] The output end of the drive assembly 6 is connected to the crankshaft 22. The second damping pad 31 is made of rubber. The second mounting buckle 30 has openings on the front and bottom to facilitate the insertion of the second mounting block 23. After the second mounting block 23 is installed, the second mounting buckle 30 is fixed with bolts. A direct-drive servo motor is directly connected to the slide of the punch press or the crankshaft 22. The direct-drive servo motor has the advantages of fast response speed, high precision, and large torque. The crankshaft 22 is made of high-strength alloy steel, and the journals, cranks, and other parts of the crankshaft 22 are optimized and heat-treated to improve the strength and fatigue life of the crankshaft 22. Furthermore, the rotating connection between the crankshaft 22 and the moving port 7 uses high-precision rolling bearings and an advanced lubrication system to reduce frictional resistance between components, improve transmission efficiency, and reduce energy consumption.

[0035] The second feeding assembly 19 includes a feeding frame 191, a plurality of conveying rollers 192, a mounting port 193 and a driving component 194. The mounting port 193 is used to mount the plurality of conveying rollers 192, and the driving component 194 provides rotational driving force for one of the conveying rollers 192.

[0036] The conveyor roller 192 is rotatably connected to the top and bottom of the inner wall of the mounting port 193, facilitating the movement of materials that need to be stamped.

[0037] The top of the stamping table 3 is equipped with a mounting base 2, and the top of the mounting base 2 is equipped with a control switch 5.

[0038] Control switch 5 can manually control the operation of the equipment on the base plate 1.

[0039] A control box 20 is installed on the top of the base plate 1, and a door 21 is rotatably connected to the front of the control box 20.

[0040] The door 21 is equipped with a lock, and the control box 20 contains a power switch and a controller for controlling the operation of the equipment.

[0041] The mounting bracket 8 is mounted on the front of the fixed frame 18, and the monitoring component 9 is mounted on the bottom of the mounting bracket 8.

[0042] The monitoring component 9 can be a monitoring camera for monitoring the stamping operation.

[0043] The drive assembly 6 includes a protective shell 601, a drive component 602, and an angle sensor 603. The protective shell 601 is used to mount the drive component 602.

[0044] Angle sensor 603, together with the controller of drive component 602, can control the speed and rotation angle of drive component 602, which is a direct-drive servo motor.

[0045] The working principle of the high-precision and high-efficiency miniature punch press provided by this utility model is as follows:

[0046] A movable opening 7 is made at the top of the L-shaped fixing bracket 18. A crankshaft 22 driven by the drive assembly 6 is then installed in the movable opening 7. Two connecting rods 28 are then installed in the grooves of the crankshaft 22 via a rotating ring 27 and a bearing 26. A movable plate 16 is installed at the bottom end of the two connecting rods 28 via a movable buckle 29. Two latches 25 on the back of the movable plate 16 engage with the outer surfaces of two limiting rails 17, allowing rollers 32 in the latches 25 to slide on both sides of the limiting rails 17, increasing the stability of the movable plate 16. The first mounting buckle 14 is installed on the stamping table 3 via a first damping pad 15, while the second mounting buckle 30 is installed via a second damping pad 31. Installed below the movable plate 16, the shock-absorbing pads can provide a shock-absorbing effect, improving stamping accuracy. The upper die 10 is mounted below the second mounting buckle 30 via the first mounting block 13, while the lower die 11 is mounted above the first mounting buckle 14 via the second mounting block 23, facilitating the replacement of different die models. In actual use, the material to be stamped is first fed between the upper and lower dies via the first feeding assembly 4 and the second feeding assembly 19. Then, the drive assembly 6 is started to drive the crankshaft 22 to rotate, which in turn drives the movable plate 16 to move up and down via the two connecting rods 28. Thus, the upper die 10 and the lower die 11 work together to complete the stamping of the material.

[0047] Compared with related technologies, the high-precision and high-efficiency small punch press provided by this utility model has the following advantages:

[0048] Beneficial effects:

[0049] To improve the stamping accuracy and transmission efficiency of the small punch press, a movable opening 7 is made at the top of the L-shaped fixed frame 18. A crankshaft 22 driven by the drive assembly 6 is then installed in the movable opening 7. Two connecting rods 28 are then installed in the grooves of the crankshaft 22 via a rotating ring 27 and a bearing 26. A movable plate 16 is installed at the bottom end of the two connecting rods 28 via movable buckles 29. Two latches 25 on the back of the movable plate 16 engage with the outer surfaces of two limit rails 17, allowing rollers 32 in the latches 25 to slide on both sides of the limit rails 17, increasing the stability of the movable plate 16. The first mounting buckle 14 is installed on the stamping table 3 via a first damping pad 15, while the second mounting buckle 14 is installed on top. The buckle 30 is installed below the movable plate 16 via the second damping pad 31. The damping pad can provide a damping effect and improve stamping accuracy. The upper die 10 is installed below the second mounting buckle 30 via the first mounting block 13, while the lower die 11 is installed above the first mounting buckle 14 via the second mounting block 23, which facilitates the replacement of different models of dies. This design uses the drive assembly 6 to directly drive the crankshaft 22. The stamping speed can be controlled by setting the operating parameters of the drive assembly 6, thereby improving transmission efficiency and stamping efficiency. At the same time, the limit rail 17 and roller 32, together with the first damping pad 15 and the second damping pad 31, increase the stability of stamping and improve stamping accuracy.

[0050] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A high-precision and high-efficiency small punch machine characterized by comprising: Include: The bottom plate; Punching platform, the top of the punching platform is installed on the top of the bottom plate, the top of the punching platform is installed near the back of the fixed frame, one side of the fixed frame is installed with a driving assembly, the top of the fixed frame is provided with a movable port, the inside of the movable port is rotatably connected with a crankshaft, the outer surface of the crankshaft is rotatably connected with two rotating rings through two bearings, the outer surfaces of the two rotating rings are both fixedly connected with connecting rods, the bottom ends of the two connecting rods are both rotatably connected with movable plates through movable buckles, the back surface of the movable plate is provided with two clamps, the two clamps are rotatably connected with rollers on the two sides of the inner wall, the bottom of the movable plate is installed with a second mounting buckle through a second shock pad, the bottom of the second mounting buckle is installed with a mounting plate through a second mounting block, the bottom of the mounting plate is installed with an upper die, the back surface of the inner wall of the fixed frame is installed with two limiting rails; The first mounting buckle is installed on the top of the punching platform through the first shock pad, the top of the first mounting buckle is installed with a fixed plate through a first mounting block, the top of the fixed plate is installed with a lower die, the top of the punching platform is installed with a first feeding assembly and a second feeding assembly near the two sides respectively.

2. The high-precision and high-efficiency small-sized punch press according to claim 1, characterized by The second feeding assembly includes a feeding frame, a plurality of conveying rollers, a mounting port and a driving part, the mounting port is used to install a plurality of conveying rollers, and the driving part provides a rotating driving force for one of the conveying rollers.

3. The high-precision and high-efficiency small-sized punch according to claim 1, wherein The top of the punching platform is installed with a mounting base, and the top of the mounting base is installed with a control switch.

4. The high-precision and high-efficiency small-sized punch according to claim 1, wherein The top of the bottom plate is installed with a control box, and the front surface of the control box is rotatably connected with a box door.

5. The high-precision and high-efficiency small-sized punch press according to claim 1, characterized by The front surface of the fixed frame is installed with a mounting frame, and the bottom of the mounting frame is installed with a monitoring part.

6. The high-precision and high-efficiency small-sized punch press according to claim 1, characterized by The driving assembly includes a protective shell, a driving part and an angle sensor, and the protective shell is used to install the driving part.

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