Pneumatic double-hole punching machine

Abstract

The utility model relates to the technical field of mechanical equipment, in particular to a pneumatic double-hole punching machine, which is provided with the pneumatic double-hole punching machine, so that the positions of two groups of punching cutters can be conveniently adjusted according to the punching requirements of materials, and the use limitation of the pneumatic double-hole punching machine is reduced. Comprising a workbench, a supporting frame, an air cylinder, a piston plate, a connecting rod, a lifting plate, a first air guide pipe, a second air guide pipe, a three-way pipe, two sets of electromagnetic valves, a compressor, two sets of punching tools, longitudinal adjusting devices, transverse adjusting devices and a connecting device. The longitudinal adjusting device comprises a first motor, a first screw rod and a first moving block, a sliding groove is formed in the bottom end of the lifting plate, a threaded hole is formed in the middle of the first moving block in a communicating mode, and the first moving block is in threaded connection with the first screw rod; the transverse adjusting device is installed at the bottom end of the first moving block.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical equipment, in particular to a pneumatic double-hole punching machine. Background Art

[0002] A pneumatic double-hole punching machine is a mechanical device that uses compressed air as a power source, mainly used for quickly and accurately punching two aligned holes in materials such as paper, plastic sheets, leather, etc. This kind of machine is usually used in fields such as office supplies processing, stationery manufacturing, packaging industry, etc.

[0003] However, the positions of the two groups of punching tools on the existing pneumatic double-hole punching machine are inconvenient to adjust, resulting in limited use. Summary of the Utility Model

[0004] To solve the above technical problems, the utility model provides a pneumatic double-hole punching machine that is convenient to adjust the positions of two groups of punching tools according to the punching requirements of materials, reducing its use limitations by setting this device.

[0005] A pneumatic double-hole punching machine of the utility model includes a workbench, a support frame, a cylinder, a piston plate, a connecting rod, a lifting plate, a first air duct, a second air duct, a three-way pipe, two groups of solenoid valves, a compressor, two groups of punching tools, a longitudinal adjustment device, a transverse adjustment device, and a connecting device. The support frame is installed at the rear side of the top end of the workbench, the cylinder is installed on the top of the support frame, the piston plate is hermetically and slidably connected inside the cylinder, the connecting rod is installed at the bottom end of the piston plate, a sliding hole is communicated with the bottom end of the cylinder, and the connecting rod is hermetically and slidably connected with the sliding hole of the cylinder. The lifting plate is installed at the bottom end of the connecting rod, the output end of the first air duct is communicated with the upper side of the right end of the cylinder, the output end of the second air duct is communicated with the lower side of the right end of the cylinder, a chamber is arranged inside the workbench, the compressor is installed at the bottom end of the chamber of the workbench, the output end of the compressor is connected with the input end of the three-way pipe, the input ends of the first air duct and the second air duct respectively pass through the right end of the workbench and are communicated with the two output ends of the three-way pipe, two groups of solenoid valves are respectively installed at the two output ends of the three-way pipe, two groups of longitudinal adjustment devices are installed at the bottom end of the lifting plate, two groups of transverse adjustment devices are respectively connected in cooperation with the two groups of longitudinal adjustment devices, and two groups of punching tools are respectively connected in cooperation with the two groups of transverse adjustment devices through two groups of connecting devices. The longitudinal adjustment device includes a first motor, a first screw rod, and a first moving block. A sliding groove is arranged at the bottom end of the lifting plate, the first screw rod is rotatably installed in the sliding groove of the lifting plate, the first motor is installed at the front end of the lifting plate, the output end of the first motor passes through the front end of the lifting plate and is connected with the front end of the first screw rod, the first moving block slides in the sliding groove of the lifting plate, a threaded hole is communicated with the middle of the first moving block, and the first moving block is threadedly connected with the first screw rod. The transverse adjustment device is installed at the bottom end of the first moving block.

[0006] Preferably, the lateral adjustment device includes a second motor, a moving frame, a second screw rod, and a second moving block. The moving frame is installed at the bottom end of the first moving block, the second motor is installed at the outer end of the moving frame, the second screw rod is rotatably installed inside the moving frame, the output end of the second motor passes through the left end of the moving frame and is connected to the left end of the second screw rod, the second moving block is slidably connected to the moving frame, a threaded hole is communicated in the middle of the second moving block, the second moving block is threadedly connected to the second screw rod, and the punching tool is installed at the bottom end of the second moving block through a connecting device.

[0007] Preferably, the connecting device includes a mounting block, a bolt, and a nut. The mounting block is installed at the bottom end of the second moving block, a clamping groove is provided at the bottom end of the mounting block, the punching tool is clamped in cooperation with the clamping groove of the mounting block, through holes are provided through the mounting block and the punching tool, and the bolt passes through the through holes of the mounting block and the punching tool and is threadedly connected to the nut.

[0008] Preferably, anti-collision pads are provided at the front end and the rear end of each group of first moving blocks and at the left end and the right end of each group of second moving blocks, and multiple groups of anti-collision pads correspond to the positions of the lifting plate and the two moving frames respectively.

[0009] Preferably, it further includes a first clamping frame and a second clamping frame. The first clamping frame is installed on the upper side of the right end of the support frame, a clamping groove is provided at the right end of the first clamping frame, the first air duct is clamped in cooperation with the first clamping frame, the second clamping frame is installed on the upper right side of the inner top end of the support frame, a clamping groove is provided at the top end of the second clamping frame, and the second air duct is clamped in cooperation with the second clamping frame.

[0010] Preferably, a rubber pad is provided at the top end of the clamping groove of the mounting block.

[0011] Preferably, the clamping grooves of the first clamping frame and the second clamping frame are both set to be arc-shaped.

[0012] Preferably, a gasket is provided between the mounting block and the nut.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows: Two appropriate groups of punching tools are respectively installed on two groups of horizontal adjustment devices through two groups of connecting devices, and then the longitudinal positions of the two groups of punching tools are adjusted according to requirements. After turning on two groups of first motors, the two groups of first motors drive the two groups of first screw rods to rotate. The two groups of first screw rods are threadedly connected with two groups of first moving blocks. The two groups of first moving blocks drive the two groups of punching tools to move longitudinally through the two groups of horizontal adjustment devices, thereby adjusting the longitudinal positions of the two groups of punching tools. Then, the horizontal positions of the two groups of punching tools are adjusted through the horizontal adjustment devices. After that, the lower solenoid valve and the compressor are turned on. The compressor introduces air into the cylinder through the first air duct. The air in the cylinder pushes the piston plate to slide downward in the cylinder. The piston plate drives the lifting plate to move downward through the connecting rod. The two groups of punching tools punch the material. By setting this device, it is convenient to adjust the positions of the two groups of punching tools according to the punching requirements of the material, reducing its usage limitations. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the present utility model;

[0015] Figure 2 is an enlarged sectional structural diagram of the cylinder;

[0016] Figure 3 is Figure 1 an enlarged structural diagram of A in

[0017] Figure 4 is Figure 1 an enlarged structural diagram of B in

[0018] Reference numerals in the drawings: 1, workbench; 2, support frame; 3, cylinder; 4, piston plate; 5, connecting rod; 6, lifting plate; 7, first air duct; 8, second air duct; 9, three-way pipe; 10, solenoid valve; 11, compressor; 12, punching tool; 13, first motor; 14, first screw rod; 15, first moving block; 16, second motor; 17, moving frame; 18, second screw rod; 19, second moving block; 20, mounting block; 21, bolt; 22, nut; 23, anti-collision pad; 24, first clamping frame; 25, second clamping frame. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0019] The following combines the drawings and embodiments to further describe in detail the specific embodiments of the present utility model. The following embodiments are used to illustrate the present utility model, but are not used to limit the scope of the present utility model.

[0020] As Figures 1 to 4As shown in the figure, a pneumatic double-hole punching machine of the utility model includes a workbench 1, a support frame 2, a cylinder 3, a piston plate 4, a connecting rod 5, a lifting plate 6, a first air duct 7, a second air duct 8, a three-way pipe 9, two groups of solenoid valves 10, a compressor 11, two groups of punching cutters 12, a longitudinal adjustment device, a transverse adjustment device and a connecting device. The support frame 2 is installed at the rear side of the top end of the workbench 1. The cylinder 3 is installed at the top of the support frame 2. The piston plate 4 is hermetically and slidably connected to the inside of the cylinder 3. The connecting rod 5 is installed at the bottom end of the piston plate 4. A sliding hole is communicated with the bottom end of the cylinder 3. The connecting rod 5 is hermetically and slidably connected to the sliding hole of the cylinder 3. The lifting plate 6 is installed at the bottom end of the connecting rod 5. The output end of the first air duct 7 is communicated with the upper side of the right end of the cylinder 3. The output end of the second air duct 8 is communicated with the lower side of the right end of the cylinder 3. A chamber is arranged inside the workbench 1. The compressor 11 is installed at the bottom end of the chamber of the workbench 1. The output end of the compressor 11 is connected to the input end of the three-way pipe 9. The input ends of the first air duct 7 and the second air duct 8 respectively pass through the right end of the workbench 1 and are communicated with the two groups of output ends of the three-way pipe 9. The two groups of solenoid valves 10 are respectively installed at the two groups of output ends of the three-way pipe 9. The two groups of longitudinal adjustment devices are installed at the bottom end of the lifting plate 6. The two groups of transverse adjustment devices are respectively connected in cooperation with the two groups of longitudinal adjustment devices. The two groups of punching cutters 12 are respectively connected in cooperation with the two groups of transverse adjustment devices through the two groups of connecting devices. The longitudinal adjustment device includes a first motor 13, a first screw rod 14 and a first moving block 15. A sliding groove is arranged at the bottom end of the lifting plate 6. The first screw rod 14 is rotatably installed in the sliding groove of the lifting plate 6. The first motor 13 is installed at the front end of the lifting plate 6. The output end of the first motor 13 passes through the front end of the lifting plate 6 and is connected to the front end of the first screw rod 14. The first moving block 15 slides in the sliding groove of the lifting plate 6. A threaded hole is communicated with the middle part of the first moving block 15. The first moving block 15 is threadedly connected to the first screw rod 14. The transverse adjustment device is installed at the bottom end of the first moving block 15;

[0021] Install the appropriate two groups of punching cutters 12 on the two groups of transverse adjustment devices respectively through the two groups of connecting devices, and then adjust the longitudinal positions of the two groups of punching cutters 12 according to the requirements. Turn on the two groups of first motors 13. The two groups of first motors 13 drive the two groups of first screw rods 14 to rotate. The two groups of first screw rods 14 are threadedly connected to the two groups of first moving blocks 15. The two groups of first moving blocks 15 drive the two groups of punching cutters 12 to move longitudinally through the two groups of transverse adjustment devices, so as to adjust the longitudinal positions of the two groups of punching cutters 12. Then adjust the transverse positions of the two groups of punching cutters 12 through the transverse adjustment devices. After that, turn on the lower solenoid valve 10 and the compressor 11. The compressor 11 introduces air into the inside of the cylinder 3 through the first air duct 7. The air in the cylinder 3 pushes the piston plate 4 to slide downward in the cylinder 3. The piston plate 4 drives the lifting plate 6 to move downward through the connecting rod 5. The two groups of punching cutters 12 punch the material. By setting this device, it is convenient to adjust the positions of the two groups of punching cutters 12 according to the punching requirements of the material, and reduces its use limitations.

[0022] Preferably, as an embodiment above, the lateral adjustment device includes a second motor 16, a moving frame 17, a second screw rod 18 and a second moving block 19. The moving frame 17 is installed at the bottom end of the first moving block 15. The second motor 16 is installed at the outer end of the moving frame 17. The second screw rod 18 is rotatably installed inside the moving frame 17. The output end of the second motor 16 passes through the left end of the moving frame 17 and is connected to the left end of the second screw rod 18. The second moving block 19 is slidably connected to the moving frame 17. A threaded hole is communicatively provided in the middle of the second moving block 19. The second moving block 19 is threadedly connected to the second screw rod 18. The punching tool 12 is installed at the bottom end of the second moving block 19 through a connecting device;

[0023] By providing the second motor 16, the moving frame 17, the second screw rod 18 and the second moving block 19, by turning on the two groups of second motors 16, the two groups of second motors 16 drive the two groups of second screw rods 18 to rotate. The two groups of second screw rods 18 are threadedly connected to the two groups of second moving blocks 19. The two groups of second moving blocks 19 drive the two groups of punching tools 12 to move horizontally. After the two groups of punching tools 12 move to the designated positions, turn off the two groups of second motors 16, which serves to adjust the horizontal positions of the two groups of punching tools 12.

[0024] Preferably, as an embodiment above, the connecting device includes a mounting block 20, a bolt 21 and a nut 22. The mounting block 20 is installed at the bottom end of the second moving block 19. A card slot is provided at the bottom end of the mounting block 20. The punching tool 12 is fitted and installed in cooperation with the card slot of the mounting block 20. Through holes are provided through the mounting block 20 and the punching tool 12. The bolt 21 passes through the through holes of the mounting block 20 and the punching tool 12 and is threadedly connected to the nut 22;

[0025] By providing the mounting block 20, the bolt 21 and the nut 22, two suitable punching tools 12 are respectively fitted and installed in cooperation with the card slots of the two groups of mounting blocks 20. Then, the two groups of bolts 21 respectively pass through the two groups of mounting blocks 20 and the two groups of punching tools 12 and are threadedly connected to the two groups of nuts 22, so as to fix the two groups of punching tools 12, which is convenient for inserting the punching tools 12.

[0026] Preferably, as an embodiment above, anti-collision pads 23 are provided at the front end and the rear end of each group of first moving blocks 15 and at the left end and the right end of each group of second moving blocks 19. The multiple groups of anti-collision pads 23 respectively correspond to the positions of the lifting plate 6 and the two groups of moving frames 17;

[0027] By providing the anti-collision pads 23, it is possible to prevent the first moving block 15 and the second moving block 19 from colliding with the lifting plate 6 and the moving frame 17 during movement, resulting in wear.

[0028] Preferably, as in the above embodiments, a first clamping bracket 24 and a second clamping bracket 25 are further included. The first clamping bracket 24 is installed on the upper side of the right end of the support bracket 2. A card slot is provided at the right end of the first clamping bracket 24, and the first air duct 7 is clamped and installed in cooperation with the first clamping bracket 24. The second clamping bracket 25 is installed on the right side of the inner top end of the support bracket 2. A card slot is provided at the top end of the second clamping bracket 25, and the second air duct 8 is clamped and installed in cooperation with the second clamping bracket 25;

[0029] By providing the first clamping bracket 24 and the second clamping bracket 25, the first air duct 7 and the second air duct 8 can be constrained and limited.

[0030] Preferably, as in the above embodiments, a rubber pad is provided at the top of the card slot of the mounting block 20;

[0031] When the punching tool 12 punches the material, the rubber pad can play a certain buffering role.

[0032] Preferably, as in the above embodiments, the card slots of the first clamping bracket 24 and the second clamping bracket 25 are both set to be arc-shaped;

[0033] It can prevent the first air duct 7 and the second air duct 8 from being worn when being clamped and installed in cooperation with the first clamping bracket 24 and the second clamping bracket 25.

[0034] Preferably, as in the above embodiments, a gasket is provided between the mounting block 20 and the nut 22;

[0035] The connection stability between the bolt 21 and the nut 22 can be improved.

[0036] A pneumatic double-hole punching machine of the present utility model, when working, first fits two appropriate punching cutters 12 with the slots of two mounting blocks 20 respectively, and then makes two bolts 21 pass through two mounting blocks 20 and two punching cutters 12 respectively and be threadedly connected with two nuts 22, so as to fix the two punching cutters 12. Then, adjust the longitudinal positions of the two punching cutters 12 according to requirements. Open two first motors 13, and the two first motors 13 drive two first screw rods 14 to rotate. The two first screw rods 14 are threadedly connected with two first moving blocks 15. The two first moving blocks 15 drive the two punching cutters 12 to move longitudinally through two transverse adjusting devices, so as to adjust the longitudinal positions of the two punching cutters 12. Then open two second motors 16, and the two second motors 16 drive two second screw rods 18 to rotate. The two second screw rods 18 are threadedly connected with two second moving blocks 19. The two second moving blocks 19 drive the two punching cutters 12 to move horizontally. After the two punching cutters 12 move to the designated positions, close the two second motors 16. Then open the lower solenoid valve 10 and the compressor 11. The compressor 11 introduces air into the cylinder 3 through the first air duct 7. The air in the cylinder 3 pushes the piston plate 4 to slide downward in the cylinder 3. The piston plate 4 drives the lifting plate 6 to move downward through the connecting rod 5. The two punching cutters 12 can punch the material.

[0037] The installation method, connection method or setting method of a pneumatic double-hole punching machine of the present utility model are all common mechanical methods, and any method that can achieve its beneficial effects can be implemented; the first motor 13 and the second motor 16 of a pneumatic double-hole punching machine of the present utility model are purchased on the market, and technicians in this industry only need to install and operate according to the attached operation manual.

[0038] The above are only the preferred embodiments of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and modifications can still be made, and these improvements and modifications should also be regarded as the protection scope of the present utility model.

Claims

1. A pneumatic double-hole punching machine, comprising a workbench (1), a support frame (2), a cylinder (3), a piston plate (4), a connecting rod (5), a lifting plate (6), a first air guide pipe (7), a second air guide pipe (8), a three-way pipe (9), two groups of solenoid valves (10), a compressor (11), two groups of punching tools (12), a longitudinal adjustment device, a transverse adjustment device and a connecting device, wherein the support frame (2) is mounted on the rear side of the top end of the workbench (1), the cylinder (3) is mounted on the top of the support frame (2), the piston plate (4) is sealed and slidably connected to the inside of the cylinder (3), the connecting rod (5) is mounted on the bottom end of the piston plate (4), the bottom end of the cylinder (3) is connected to a sliding hole, the connecting rod (5) is sealed and slidably connected to the sliding hole of the cylinder (3), the lifting plate (6) is mounted on the bottom end of the connecting rod (5), the first air guide pipe (7), the ... the three-way pipe (9), the two groups of solenoid valves (10 The output end of the tube (7) is connected to the upper side of the right end of the cylinder (3), the output end of the second air guide tube (8) is connected to the lower side of the right end of the cylinder (3), a chamber is arranged in the workbench (1), a compressor (11) is installed at the bottom end of the chamber of the workbench (1), the output end of the compressor (11) is connected to the input end of the three-way tube (9), the input ends of the first air guide tube (7) and the second air guide tube (8) pass through the right end of the workbench (1) and are connected to the two sets of output ends of the three-way tube (9), two sets of solenoid valves (10) are respectively installed at the two sets of output ends of the three-way tube (9), two sets of longitudinal adjustment devices are installed at the bottom end of the lifting plate (6), two sets of transverse adjustment devices are respectively connected to the two sets of longitudinal adjustment devices, and two sets of punching tools (12) are respectively connected to the two sets of transverse adjustment devices through two sets of connecting devices, characterized in that The longitudinal adjustment device comprises a first motor (13), a first screw rod (14) and a first moving block (15); a sliding groove is arranged at the bottom end of the lifting plate (6); the first screw rod (14) is rotatably mounted in the sliding groove of the lifting plate (6); the first motor (13) is mounted at the front end of the lifting plate (6); the output end of the first motor (13) passes through the front end of the lifting plate (6) and is connected to the front end of the first screw rod (14); the first moving block (15) slides in the sliding groove of the lifting plate (6); a threaded hole is arranged in the middle of the first moving block (15); the first moving block (15) is threadedly connected to the first screw rod (14); and the transverse adjustment device is mounted at the bottom end of the first moving block (15).

2. A pneumatic double-hole punching machine as claimed in claim 1, characterized in that: The lateral adjustment device comprises a second motor (16), a moving frame (17), a second screw (18) and a second moving block (19); the moving frame (17) is mounted on the bottom end of the first moving block (15); the second motor (16) is mounted on the outer end of the moving frame (17); the second screw (18) is rotatably mounted inside the moving frame (17); the output end of the second motor (16) passes through the left end of the moving frame (17) and is connected to the left end of the second screw (18); the second moving block (19) is slidably connected to the moving frame (17); a threaded hole is provided in the middle of the second moving block (19); the second moving block (19) is threadedly connected to the second screw (18); and a punching tool (12) is mounted on the bottom end of the second moving block (19) through a connecting device.

3. A pneumatic double-hole punching machine as claimed in claim 2, characterized in that: The connecting device comprises a mounting block (20), a bolt (21) and a nut (22); the mounting block (20) is mounted on the bottom end of the second moving block (19); a slot is provided at the bottom end of the mounting block (20); the punching tool (12) is engaged with the slot of the mounting block (20); holes are provided on both the mounting block (20) and the punching tool (12); the bolt (21) passes through the holes of the mounting block (20) and the punching tool (12) and is threadedly connected to the nut (22).

4. A pneumatic double-hole punching machine as claimed in claim 3, characterized in that: Anti-collision pads (23) are provided at the front and rear ends of each group of first moving blocks (15) and the left and right ends of each group of second moving blocks (19), and the multiple groups of anti-collision pads (23) correspond to the positions of the lifting plate (6) and the two groups of moving frames (17), respectively.

5. A pneumatic double-hole punching machine as claimed in claim 4, characterized in that: It also comprises a first card frame (24) and a second card frame (25), wherein the first card frame (24) is mounted on the upper side of the right end of the support frame (2), a card slot is provided at the right end of the first card frame (24), the first air guide tube (7) is card-fitted with the first card frame (24), the second card frame (25) is mounted on the right side of the top end inside the support frame (2), a card slot is provided at the top end of the second card frame (25), and the second air guide tube (8) is card-fitted with the second card frame (25).

6. A pneumatic double-hole punching machine as claimed in claim 5, characterized in that: A rubber pad is arranged at the top of the slot of the mounting block (20).

7. A pneumatic double-hole punching machine as claimed in claim 6, characterized in that: The card slots of the first card frame (24) and the second card frame (25) are both arranged in an arc shape.

8. A pneumatic double-hole punching machine as claimed in claim 7, characterized in that: A gasket is provided between the mounting block (20) and the nut (22).

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