Precise multi-point punching device for plastic parts

Abstract

The utility model discloses a precise multi-point punching device for plastic parts, which relates to the technical field of punching of plastic parts and comprises a workbench, fixing piles are fixedly mounted at four corners of the lower end of the workbench, and fixing plates are fixedly connected to the left end and the right end of the upper end of the workbench. First electric telescopic rods are fixedly mounted on the inner sides of the two fixing plates correspondingly, positioning plates are fixedly connected to the output ends of the first electric telescopic rods, a plastic part is placed at the upper end of the workbench, the two first electric telescopic rods drive the positioning plates to fix the plastic part, and the plastic part is punched through a drill bit. Chippings can be generated after punching, air flow generated by a fan passes through an air outlet pipe and is blown out from an air outlet, the chippings generated after punching are sucked by a dust collecting opening and enter a collecting box at the lower end of the interior of a dust collecting box through an air inlet pipe, and after the collecting box is full of dust, a handle is pulled to take out the collecting box from the dust collecting box.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic part punching, in particular to a multi-point punching device for precision plastic parts. Background Art

[0002] Precision plastic parts usually refer to plastic parts manufactured through processes such as injection molding. They are characterized by high precision, high quality and complex structure. During the processing of plastic parts, multiple punching operations are required on the surface of the plastic parts.

[0003] During the process of multi-point punching of plastic parts, debris will accumulate on the workbench. If the debris remains on the plastic parts or is brought into the interior of the plastic parts during processing, it may cause the plastic parts to be inaccurate in size or reduced functional performance. Based on this, the present invention provides a precision plastic part multi-point punching device to solve the above-mentioned problems. Utility Model Content

[0004] In order to solve the above-mentioned technical problems, a multi-point punching device for precision plastic parts is provided. This technical solution solves the problem raised in the above-mentioned background technology that during the process of multi-point punching of plastic parts, debris will accumulate on the workbench. If the debris remains on the plastic parts or is brought into the interior of the plastic parts during the processing, it may cause inaccurate size of the plastic parts or reduced functional performance.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is: a multi-point punching device for precision plastic parts, comprising a workbench, wherein fixing piles are fixedly installed at the four corners of the lower end of the workbench, and the left and right ends of the upper end of the workbench are fixedly connected with fixing plates, and the inner sides of the two fixing plates are fixedly installed with first electric telescopic rods, and the output end of the first electric telescopic rod is fixedly connected with a positioning plate, and the lower end of the workbench is provided with a dust collecting component;

[0006] Wherein, the dust collecting assembly includes a dust collecting port, which is fixedly installed on the rear side of the upper end of the workbench, a blowing port is fixedly installed on the front side of the upper end of the workbench, a dust box is fixedly installed on the lower end of the workbench, the rear end of the dust box is fixedly connected with an air inlet pipe, the other end of the air inlet pipe passes through the workbench and is connected with the dust collecting port, the inner bottom end of the dust box is slidably connected with a collecting box, a handle is fixedly installed on the left end of the collecting box, a fan is fixedly installed on the right end of the dust box, the input end of the fan is connected with the dust box and a tight grid is provided at the connecting point, the output end of the fan is fixedly connected with an outlet pipe, and the upper end of the outlet pipe passes through the workbench and is connected with the blowing port.

[0007] Preferably, two second electric telescopic rods are fixedly installed on the front and rear sides of the upper end of the workbench, a first adjusting frame is fixedly installed on the output end of the second electric telescopic rod on the rear side, a first sliding groove is opened at the front end of the first adjusting frame, mounting plates are fixedly installed on the left and right sides of the front end of the first adjusting frame, and a first threaded rod is rotatably installed between the two mounting plates.

[0008] Preferably, a first motor is fixedly installed on the right end of the mounting plate on the right side, the output end of the first motor passes through the right mounting plate and is fixedly connected to the right end of the first threaded rod, a first moving block is threadedly connected to the surface of the first threaded rod, a first sliding block is fixedly connected to the rear end of the first moving block, the first sliding block is slidably connected to the inside of the first sliding groove, and a second adjusting frame is fixedly installed on the output end of the second electric telescopic rod on the front side.

[0009] Preferably, a rectangular groove is formed through the front end of the second adjustment frame, second slide grooves are formed at the upper and lower ends of the rectangular groove, a sliding block is slidably connected to the inside of the rectangular groove, the upper and lower ends of the sliding block are fixedly connected to the second sliding block, the second sliding block is slidably connected to the inside of the second slide groove, the front end of the sliding block is fixedly connected to a limiting plate, and the front end of the limiting plate is fixedly installed with a second motor.

[0010] Preferably, a second threaded rod is rotatably installed between the first moving block and the sliding block, the second moving block is threadedly connected to the surface of the second threaded rod, a limiting rod is fixedly connected to the left side of the second threaded rod between the first moving block and the sliding block, the left end of the second moving block is slidably connected to the surface of the limiting rod, and the output end of the second motor passes through the limiting plate and the sliding block and is fixedly connected to the front end of the second threaded rod.

[0011] Preferably, connecting rods are fixedly installed on both the front and rear sides of the lower end of the second movable block, and the lower ends of the two connecting rods are fixedly connected to a punching box. A plurality of rotating rods are rotatably installed inside the punching box, and gears are fixedly installed on the surfaces of the plurality of rotating rods, and adjacent two gears are meshed.

[0012] Preferably, the lower ends of several of the rotating rods pass through the lower end of the punching box and are fixedly connected to a drill bit, a third motor is fixedly installed on the upper end of the punching box, and the output end of the third motor passes through the upper top plate of the punching box and is fixedly connected to the upper end of the middle rotating rod.

[0013] Compared with the prior art, the utility model provides a multi-point punching device for precision plastic parts, which has the following beneficial effects:

[0014] The utility model places a plastic part on the upper end of a workbench, drives a positioning plate to fix the plastic part through two first electric telescopic rods, and punches holes in the plastic part with a drill. After the holes are punched, debris is generated. The airflow generated by the fan passes through the air outlet pipe and is blown out from the air outlet. The debris generated after the holes are sucked into the dust collecting port, and enters the collection box at the lower end of the dust box through the air inlet pipe. When the collection box is full, the handle is pulled to take the collection box out of the dust box. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model from another viewing angle;

[0017] Figure 3 It is a schematic diagram of the structure of the dust collecting component in the utility model;

[0018] Figure 4 This is a schematic diagram of the internal structure of the dust collection box in the utility model;

[0019] Figure 5 It is a structural schematic diagram of the first adjustment frame and the second adjustment frame in the utility model;

[0020] Figure 6 for Figure 4 A local enlarged schematic diagram of the middle A;

[0021] Figure 7 It is a schematic diagram of the internal structure of the punching box in the utility model.

[0022] The numbers in the figure are:

[0023] 1. Workbench; 2. Fixed pile; 3. Fixed plate; 4. First electric telescopic rod; 5. Positioning plate;

[0024] 6. Dust collection assembly; 601. Dust collection port; 602. Air outlet; 603. Air inlet pipe; 604. Dust collection box; 605. Collection box; 606. Handle; 607. Fan; 608. Air outlet pipe; 609. Tight grid;

[0025] 7. Second electric telescopic rod; 8. First adjustment frame; 9. Second adjustment frame; 10. First slide groove; 11. Mounting plate; 12. First threaded rod; 13. First moving block; 14. First slider; 15. First motor; 16. Rectangular groove; 17. Second slide groove; 18. Sliding block; 19. Second slider; 20. Limit plate; 21. Second motor; 22. Second threaded rod; 23. Limit rod; 24. Second moving block; 25. Connecting rod; 26. Third motor; 27. Punch box; 28. Rotating rod; 29. ​​Gear; 30. Drill bit. DETAILED DESCRIPTION

[0026] The following description is used to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are only examples, and those skilled in the art may think of other obvious variations.

[0027] Reference Figure 1-7 As shown, a multi-point punching device for precision plastic parts comprises a workbench 1, wherein fixing piles 2 are fixedly installed at the four corners of the lower end of the workbench 1, and fixing plates 3 are fixedly connected to the left and right ends of the upper end of the workbench 1, and first electric telescopic rods 4 are fixedly installed on the inner sides of the two fixing plates 3, and a positioning plate 5 is fixedly connected to the output end of the first electric telescopic rod 4, and a rubber pad is provided on the inner side of the positioning plate 5 to prevent the positioning plate 5 from causing damage to the plastic part when fixing the plastic part, and a dust collecting component 6 is provided at the lower end of the workbench 1; wherein the dust collecting component 6 comprises a dust collecting port 601, and the dust collecting port 601 is fixedly installed at the upper end of the workbench 1 At the rear side, a blowing port 602 is fixedly installed on the front side of the upper end of the workbench 1, a dust box 604 is fixedly installed on the lower end of the workbench 1, an air inlet pipe 603 is fixedly connected to the rear end of the dust box 604, the other end of the air inlet pipe 603 passes through the workbench 1 and is connected to the dust collecting port 601, a collecting box 605 is slidably connected to the inner bottom end of the dust box 604, a rectangular opening for sliding the collecting box 605 is provided at the left end of the dust box 604, a handle 606 is fixedly installed on the left end of the collecting box 605, a fan 607 is fixedly installed on the right end of the dust box 604, and the input end of the fan 607 is connected to the dust box 604 and connected A tight grid 609 is provided at the workbench 1, and the grid spacing of the tight grid 609 is small, which can effectively intercept the debris generated by punching holes in plastic parts and prevent them from entering the inside of the fan 607. The output end of the fan 607 is fixedly connected with an air outlet pipe 608, and the upper end of the air outlet pipe 608 passes through the workbench 1 and is connected with the air outlet 602. Two second electric telescopic rods 7 are fixedly installed on both sides of the front and rear ends of the upper end of the workbench 1. The two second electric telescopic rods 7 are respectively located on the right side of the dust collecting port 601 and the air outlet 602. The output end of the rear second electric telescopic rod 7 is fixedly installed with a first adjusting frame 8, and the front end of the first adjusting frame 8 is provided with a second electric telescopic rod 7. A slide groove 10, mounting plates 11 are fixedly installed on the left and right sides of the front end of the first adjusting frame 8, a first threaded rod 12 is rotatably installed between the two mounting plates 11, a first motor 15 is fixedly installed on the right end of the right mounting plate 11, the output end of the first motor 15 passes through the right mounting plate 11 and is fixedly connected to the right end of the first threaded rod 12, a first moving block 13 is threadedly connected to the surface of the first threaded rod 12, a first sliding block 14 is fixedly connected to the rear end of the first moving block 13, the first sliding block 14 is slidably connected to the inside of the first slide groove 10, and a second adjusting frame 9 is fixedly installed on the output end of the second electric telescopic rod 7 on the front side.

[0028] Reference Figure 5-7 As shown, a rectangular groove 16 is provided through the front end of the second adjusting frame 9, and second slide grooves 17 are provided at the upper and lower ends of the rectangular groove 16. A sliding block 18 is slidably connected to the inside of the rectangular groove 16, and the upper and lower ends of the sliding block 18 are fixedly connected to the second sliding block 19, and the second sliding block 19 is slidably connected to the inside of the second slide groove 17. The front end of the sliding block 18 is fixedly connected to a limiting plate 20, and the limiting plate 20 is slidably abutted against the front end of the second adjusting frame 9. A second motor 21 is fixedly installed at the front end of the limiting plate 20, and a second threaded rod 22 is rotatably installed between the first moving block 13 and the sliding block 18. The surface of the second threaded rod 22 is threadedly connected to a second moving block 24, and a limiting rod 23 is fixedly connected between the first moving block 13 and the sliding block 18 and the left side of the second threaded rod 22. The left end of the second moving block 24 is slidably connected to the surface of the limiting rod 23, and the output of the second motor 21 The end passes through the limit plate 20 and the sliding block 18 and is fixedly connected to the front end of the second threaded rod 22. The front and rear sides of the lower end of the second moving block 24 are fixedly installed with connecting rods 25. The lower ends of the two connecting rods 25 are fixedly connected to the punching box 27. A plurality of rotating rods 28 are rotatably installed inside the punching box 27. The surfaces of the plurality of rotating rods 28 are fixedly installed with gears 29. Two adjacent gears 29 are meshed. The third motor 26 drives the middle rotating rod 28 to drive the gears 29 on its surface to rotate, and then drives the gears 29 on both sides to rotate, so that the drill bit 30 rotates synchronously, and the plastic parts are punched synchronously at multiple points. The lower ends of the plurality of rotating rods 28 pass through the lower end of the punching box 27 and are fixedly connected with the drill bit 30. The upper end of the punching box 27 is fixedly installed with the third motor 26. The output end of the third motor 26 passes through the upper top plate of the punching box 27 and is fixedly connected to the upper end of the middle rotating rod 28.

[0029] The working principle and use process of the utility model are as follows: when in use, a plastic part is placed on the upper end of a workbench 1, and the two first electric telescopic rods 4 drive the positioning plate 5 to position the plastic part. After positioning is completed, according to the position of the hole to be punched, the first motor 15 drives the first threaded rod 12 to rotate, and the first threaded rod 12 drives the first moving block 13 to move. During the movement of the first moving block 13, the second threaded rod 22 and the sliding block 18 at the front end of the limiting rod 23 are driven to move. The sliding block 18 moves in the rectangular groove 16, and the second sliders 19 arranged at the upper and lower ends of the sliding block 18 are limited in the second sliding groove 17, so that the sliding block 18 can move synchronously with the first moving block 13, and the second motor 21 drives the second threaded rod 22 to rotate, driving the second moving block 24 to move, and the second The movement of the moving block 24 can move the punching box 27, and the third motor 26 drives the rotating rod 28 to rotate, and the rotating rod 28 drives the gear 29 to rotate. Several gears 29 are meshed with each other, thereby driving several drill bits 30 to perform punching operations at the same time. The punching box 27 is moved to the position where holes need to be punched by adjustment, and the second electric telescopic rod 7 is contracted to make the drill bit 30 punch multiple holes in the plastic part downward. Punching will produce debris, and the airflow generated by the fan 607 will pass through the air outlet pipe 608 and be blown out from the air outlet. The debris generated after punching is sucked into the dust collecting port 601, and enters the collection box 605 at the lower end of the dust box 604 through the air inlet pipe 603 for collection. When the collection box 605 is full, pull the handle 606 to take the collection box 605 out of the dust box 604.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A multi-point punching device for precision plastic parts, characterized by: The workbench (1) comprises a workbench (1), wherein fixing piles (2) are fixedly installed at the four corners of the lower end of the workbench (1), the upper left and right ends of the workbench (1) are fixedly connected to fixing plates (3), the inner sides of the two fixing plates (3) are fixedly installed with first electric telescopic rods (4), the output ends of the first electric telescopic rods (4) are fixedly connected to positioning plates (5), and the lower end of the workbench (1) is provided with a dust collecting assembly (6); The dust collecting assembly (6) comprises a dust collecting port (601), the dust collecting port (601) is fixedly mounted on the upper rear side of the workbench (1), an air blowing port (602) is fixedly mounted on the upper front side of the workbench (1), a dust collecting box (604) is fixedly mounted on the lower end of the workbench (1), the rear end of the dust collecting box (604) is fixedly connected to an air inlet pipe (603), the other end of the air inlet pipe (603) passes through the workbench (1) and is connected to the dust collecting port (601), and the dust collecting box (604) is fixedly connected to the rear end of the dust collecting box (604). ) is slidably connected to the inner bottom end thereof with a collection box (605), a handle (606) is fixedly mounted on the left end of the collection box (605), a fan (607) is fixedly mounted on the right end of the dust box (604), an input end of the fan (607) is connected to the dust box (604) and a tight grid (609) is provided at the connection point, an output end of the fan (607) is fixedly connected to an air outlet pipe (608), an upper end of the air outlet pipe (608) passes through the workbench (1) and is connected to the air outlet (602).

2. A multi-point punching device for precision plastic parts according to claim 1, characterized in that: Two second electric telescopic rods (7) are fixedly mounted on both the front and rear sides of the upper end of the workbench (1); a first adjustment frame (8) is fixedly mounted on the output end of the second electric telescopic rod (7) on the rear side; a first sliding groove (10) is provided at the front end of the first adjustment frame (8); mounting plates (11) are fixedly mounted on both the left and right sides of the front end of the first adjustment frame (8); and a first threaded rod (12) is rotatably mounted between the two mounting plates (11).

3. A multi-point punching device for precision plastic parts according to claim 2, characterized in that: A first motor (15) is fixedly mounted on the right end of the right mounting plate (11); an output end of the first motor (15) passes through the right mounting plate (11) and is fixedly connected to the right end of the first threaded rod (12); a first moving block (13) is threadedly connected to the surface of the first threaded rod (12); a first sliding block (14) is fixedly connected to the rear end of the first moving block (13); the first sliding block (14) is slidably connected to the inside of the first sliding groove (10); and a second adjusting frame (9) is fixedly mounted on the output end of the second electric telescopic rod (7) on the front side.

4. A multi-point punching device for precision plastic parts according to claim 3, characterized in that: A rectangular groove (16) is formed through the front end of the second adjustment frame (9), and second slide grooves (17) are formed at upper and lower ends of the rectangular groove (16). A sliding block (18) is slidably connected inside the rectangular groove (16), and a second sliding block (19) is fixedly connected at upper and lower ends of the sliding block (18). The second sliding block (19) is slidably connected inside the second slide groove (17), and a limit plate (20) is fixedly connected at the front end of the limit plate (20). A second motor (21) is fixedly installed at the front end of the limit plate (20).

5. A multi-point punching device for precision plastic parts according to claim 4, characterized in that: A second threaded rod (22) is rotatably mounted between the first moving block (13) and the sliding block (18); a second moving block (24) is threadedly connected to the surface of the second threaded rod (22); a limiting rod (23) is fixedly connected to the left side of the second threaded rod (22) between the first moving block (13) and the sliding block (18); the left end of the second moving block (24) is slidably connected to the surface of the limiting rod (23); and an output end of the second motor (21) passes through the limiting plate (20) and the sliding block (18) and is fixedly connected to the front end of the second threaded rod (22).

6. A multi-point punching device for precision plastic parts according to claim 5, characterized in that: Connecting rods (25) are fixedly mounted on both the front and rear sides of the lower end of the second moving block (24); the lower ends of the two connecting rods (25) are fixedly connected to a punching box (27); a plurality of rotating rods (28) are rotatably mounted inside the punching box (27); gears (29) are fixedly mounted on the surfaces of the plurality of rotating rods (28); and two adjacent gears (29) are meshed with each other.

7. A multi-point punching device for precision plastic parts according to claim 6, characterized in that: The lower ends of the plurality of rotating rods (28) penetrate the lower end of the punching box (27) and are fixedly connected to a drill bit (30); the upper end of the punching box (27) is fixedly mounted with a third motor (26); the output end of the third motor (26) penetrates the upper top plate of the punching box (27) and is fixedly connected to the upper end of the middle rotating rod (28).

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