Sprue cutting equipment for plastic products

Abstract

The utility model discloses plastic product cutting sprue equipment, which relates to the technical field of plastic product sprue cutting and comprises a frame, a movable plate is arranged below the frame, a plurality of bearing rods are slidably connected to the surface of the movable plate, the inside of the movable plate is hollow, a plurality of springs are fixedly connected to the inside of the movable plate, and the bearing rods are fixedly connected to the inside of the movable plate. The top ends of the springs are fixedly connected with the bottom end of the bearing rod. The movable plate, the bearing rod on the surface of the movable plate and the spring at the bottom of the bearing rod are arranged to form a bearing system, when an irregular plastic product is faced, only the pouring gate needs to be placed upwards, and the bottom can contain the irregular part of the plastic product due to the action of the bearing rod and the spring, so that the pouring gate is convenient to use. And then the pouring gate is lifted to the top surface position of the frame through the moving plate for cutting, so that the problem that a plastic product is obliquely placed and a plastic main body is damaged during cutting is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic product gate cutting, in particular to a plastic product gate cutting device. Background Art

[0002] Plastic products are a general term for daily and industrial products made of plastic as the main raw material. They include products made from injection molding, vacuum forming and other processes using plastic as the raw material. Plastic is a type of synthetic polymer material with plasticity. It, along with synthetic rubber and synthetic fiber, forms the three major synthetic materials that are indispensable in daily life. Specifically, plastic is a material that uses natural or synthetic resin as the main component and adds various additives. It can be molded into a certain shape under certain temperature and pressure conditions and maintains the same shape at room temperature. However, when making plastic products, the gate needs to be cut to increase the quality of the product.

[0003] After searching, the applicant found that a Chinese patent disclosed "a device for cutting gates of plastic products", and its publication (announcement) number is "CN208100958U". This patent mainly adjusts the position of the plastic product so that its gate is on the same horizontal line as the cutting blade. When cutting, the pulling plate can be quickly pulled away, and the weight will fall quickly under its own gravity and drive the cutting blade to quickly cut the plastic product. This setting can make the cutting blade cut the plastic product faster, and make the cut smoother, thereby effectively improving the cutting quality of the finished product;

[0004] Although the above-mentioned patent can perform certain cutting on the gate of plastic products, plastic products are usually irregular in shape. When placed on a cutting board, they are prone to tilting, and the gate cannot be aligned with the cutter. As a result, the body of the plastic product is easily damaged during cutting, resulting in damage to the plastic product and waste. Utility Model Content

[0005] The purpose of the utility model is to provide a device for cutting the gate of a plastic product to solve the problem that, although the above-mentioned patent proposed in the above-mentioned background technology can perform certain cutting on the gate of the plastic product, the plastic product is usually in an irregular shape. When placed on a cutting board, it is easy to tilt, and the gate cannot be aligned with the cutter, which leads to damage to the body of the plastic product during cutting, resulting in damage to the plastic product and waste.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a plastic product cutting gate device, comprising a frame, a movable plate is provided below the frame, a plurality of load-bearing rods are slidably connected to the surface of the movable plate, the interior of the movable plate is hollow, and a plurality of springs are fixedly connected inside, the top ends of the plurality of springs are fixedly connected to the bottom ends of the load-bearing rods, a sleeve rod is provided inside the spring, the bottom end of the sleeve rod is fixedly connected to the inner wall of the spring, and the top end of the sleeve rod is fixedly connected to the bottom end of the load-bearing rod.

[0007] Preferably, a guide plate is fixedly connected to one side of the bottom of the frame, a guide groove is provided on the surface of the guide plate, and the height of the guide groove extends to the inner wall of the frame.

[0008] Preferably, a first threaded rod is rotatably connected inside the guide groove, a second slider is threadedly connected to a rod wall of the first threaded rod, and a side surface of the second slider is fixedly connected to one surface of the movable plate.

[0009] Preferably, a driving motor is fixedly connected to one side of the guide plate, a worm is fixedly connected to the output end of the driving motor, a worm wheel is fixedly connected to the bottom end of the first threaded rod, and the worm wheel is meshingly connected to the worm wheel.

[0010] Preferably, baffles are fixedly connected to both sides of the frame, slide grooves are provided inside the two baffles, one end of the two baffles is commonly fixedly connected to a transmission box, and one end of the transmission box is fixedly connected to a servo motor.

[0011] Preferably, the inside of the two slide grooves are rotatably connected with a second threaded rod, the rod walls of the two second threaded rods are threadedly connected with a first slider, and the two first sliders are commonly fixedly connected with a cutting knife, and the bottom surface of the cutting knife is close to the top surface of the frame.

[0012] Preferably, one end of each of the two second threaded rods passes through the side wall of the transmission case, and the rod wall of the second threaded rod is fixedly connected to a driven bevel gear.

[0013] Preferably, a transmission rod is rotatably connected inside the transmission box, a group of active bevel gears are fixedly connected to the rod wall of the transmission rod, the active bevel gears are respectively meshed and connected with corresponding driven bevel gears, and one end of the transmission rod is fixedly connected to the output end of the servo motor.

[0014] The technical effects and advantages of the utility model are as follows: the utility model forms a bearing system by setting a movable plate, a bearing rod on the surface of the movable plate, and a spring at the bottom of the bearing rod. When facing irregular plastic products, it is only necessary to place the gate facing upwards. Due to the action of the bearing rod and the spring, the bottom can accommodate the irregular parts of the plastic product, and then the gate is raised to the top surface of the frame through the movable plate for cutting, thus avoiding the problem of the plastic product being placed at an angle, which may damage the plastic body during cutting. 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 cutting part of the movable plate of the utility model.

[0017] Figure 3 It is a schematic diagram of the three-dimensional structure of the bearing rod of the utility model.

[0018] Figure 4 It is a schematic diagram of a top view of a cross-sectional portion of the structure of the utility model.

[0019] Figure 5 It is a schematic diagram of the test section structure of the utility model.

[0020] In the figure: 1. frame; 2. movable plate; 3. bearing rod; 4. spring; 5. sleeve rod; 6. baffle; 7. slide groove; 8. cutting knife; 9. transmission box; 10. servo motor; 11. guide plate; 12. first threaded rod; 13. driving motor; 14. second threaded rod; 15. first slider; 16. transmission rod; 17. driving bevel gear; 18. driven bevel gear; 19. second slider; 20. guide groove; 21. worm wheel; 22. worm. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] The utility model provides Figure 1-5A plastic product cutting gate device shown in the figure includes a frame 1, a movable plate 2 is provided below the frame 1, a plurality of load-bearing rods 3 are slidably connected to the surface of the movable plate 2, the interior of the movable plate 2 is hollow, and a plurality of springs 4 are fixedly connected inside, the top ends of the plurality of springs 4 are fixedly connected to the bottom ends of the load-bearing rods 3, a sleeve rod 5 is provided inside the spring 4, the bottom end of the sleeve rod 5 is fixedly connected to the inner wall of the spring 4, the top end of the sleeve rod 5 is fixedly connected to the bottom end of the load-bearing rod 3, and the sleeve rod 5 prevents the load-bearing rod 3 from detaching from the movable plate 2.

[0023] like Figure 1 As shown, a guide plate 11 is fixedly connected to one side of the bottom of the frame 1, and a guide groove 20 is provided on the surface of the guide plate 11. The height of the guide groove 20 extends to the inner wall of the frame 1. At this time, if the plastic product on the surface of the supporting rod 3 is small, it can be moved to the top surface of the frame 1.

[0024] like Figure 1 As shown, baffles 6 are fixedly connected to both sides of the frame 1, and slide grooves 7 are provided inside the two baffles 6. One end of the two baffles 6 is fixedly connected to a transmission box 9, and one end of the transmission box 9 is fixedly connected to a servo motor 10.

[0025] like Figure 4 As shown, the interior of the two slide grooves 7 is rotatably connected to the second threaded rod 14, the rod walls of the two second threaded rods 14 are threadedly connected to the first slider 15, and the two first sliders 15 are commonly fixedly connected to the cutting knife 8, and the bottom surface of the cutting knife 8 is close to the top surface of the frame 1. By keeping the cutting knife 8 close to the top surface of the frame 1, cutting can be more accurate.

[0026] like Figure 5 As shown, a driving motor 13 is fixedly connected to one side of the guide plate 11 , a worm 22 is fixedly connected to the output end of the driving motor 13 , a worm wheel 21 is fixedly connected to the bottom end of the first threaded rod 12 , and the worm wheel 21 is meshingly connected to the worm 22 .

[0027] like Figure 5 As shown, the first threaded rod 12 is rotatably connected inside the guide groove 20 , the rod wall of the first threaded rod 12 is threadedly connected to the second slider 19 , and the side surface of the second slider 19 is fixedly connected to one side of the moving plate 2 .

[0028] like Figure 1 and Figure 5 As shown, one end of the two second threaded rods 14 penetrates the side wall of the transmission box 9, and the rod wall of the second threaded rod 14 is fixedly connected with a driven bevel gear 18, the transmission box 9 is internally rotatably connected with a transmission rod 16, and the rod wall of the transmission rod 16 is fixedly connected with a group of active bevel gears 17, and the active bevel gears 17 are respectively meshed and connected with the corresponding driven bevel gears 18, and one end of the transmission rod 16 is fixedly connected to the output end of the servo motor 10.

[0029] Working principle of the utility model: when the utility model is used, the plastic product is first placed on the surface of a plurality of bearing rods 3, with the intersection position facing upward, and the irregular position in contact with the bearing rod 3. After the placement is completed, the gate of the plastic product is raised to a position level with the top surface of the frame 1, and the drive motor 13 is first started to drive the worm 22 to rotate through the start of the drive motor 13, and the worm 22 is rotated to drive the worm wheel 21 to rotate through the rotation of the worm 22, and the first threaded rod 12 is rotated through the rotation of the worm wheel 21, and the second slider 19 is moved through the rotation of the first threaded rod 12, and the moving plate 2 is moved through the movement of the second slider 19, until the gate of the plastic product is completely level with the top surface of the frame 1;

[0030] Then, the plastic product is cut. First, the servo motor 10 is started, and the transmission rod 16 is driven to rotate through the output end of the servo motor 10. The two active bevel gears 17 are driven to rotate through the rotation of the transmission rod 16. The two driven bevel gears 18 are driven to rotate through the rotation of the active bevel gear 17. The two second threaded rods 14 are driven to rotate through the two driven bevel gears 18. The two second threaded rods 14 are driven to move by the rotation of the two first sliders 15. The cutting knife 8 is driven to move through the two first sliders 15. The gate of the plastic product is cut by the movement of the cutting knife 8. The utility model highlights the innovative structure and does not elaborate on the prior art.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A device for cutting gates of plastic products, comprising a frame (1), characterized in that: A movable plate (2) is provided below the frame (1), and a plurality of bearing rods (3) are slidably connected to the surface of the movable plate (2). The interior of the movable plate (2) is hollowed out, and a plurality of springs (4) are fixedly connected thereto. The top ends of the plurality of springs (4) are fixedly connected to the bottom ends of the bearing rods (3). A sleeve rod (5) is provided inside the spring (4), and the bottom end of the sleeve rod (5) is fixedly connected to the inner wall of the spring (4), and the top end of the sleeve rod (5) is fixedly connected to the bottom end of the bearing rod (3).

2. A plastic product cutting gate device according to claim 1, characterized in that: A guide plate (11) is fixedly connected to one side of the bottom of the frame (1), a guide groove (20) is provided on the surface of the guide plate (11), and the height of the guide groove (20) extends to the inner wall of the frame (1).

3. A plastic product cutting gate device according to claim 2, characterized in that: A first threaded rod (12) is rotatably connected inside the guide groove (20), a second slider (19) is threadedly connected to the rod wall of the first threaded rod (12), and a side surface of the second slider (19) is fixedly connected to one side of the moving plate (2).

4. A plastic product cutting gate device according to claim 3, characterized in that: A driving motor (13) is fixedly connected to one side of the guide plate (11), a worm (22) is fixedly connected to the output end of the driving motor (13), a worm wheel (21) is fixedly connected to the bottom end of the first threaded rod (12), and the worm wheel (21) is meshingly connected to the worm (22).

5. The plastic product cutting gate device according to claim 1, characterized in that: Baffles (6) are fixedly connected to both sides of the frame (1), and slide grooves (7) are provided inside the two baffles (6). One end of the two baffles (6) is fixedly connected to a transmission box (9), and one end of the transmission box (9) is fixedly connected to a servo motor (10).

6. A plastic product cutting gate device according to claim 5, characterized in that: The insides of the two slide grooves (7) are both rotatably connected with a second threaded rod (14), the rod walls of the two second threaded rods (14) are both threadedly connected with a first slider (15), and the two first sliders (15) are commonly fixedly connected with a cutting knife (8), and the bottom surface of the cutting knife (8) is closely attached to the top surface of the frame (1).

7. A plastic product cutting gate device according to claim 6, characterized in that: One end of each of the two second threaded rods (14) penetrates the side wall of the transmission box (9), and the rod wall of each of the second threaded rods (14) is fixedly connected to a driven bevel gear (18).

8. The device for cutting gates of plastic products according to claim 5, characterized in that: A transmission rod (16) is rotatably connected inside the transmission box (9), a group of active bevel gears (17) are fixedly connected to the rod wall of the transmission rod (16), the active bevel gears (17) are respectively meshed and connected with corresponding driven bevel gears (18), and one end of the transmission rod (16) is fixedly connected to the output end of the servo motor (10).

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