A edge pressing device for a plastic product thermoforming machine
By designing a pressing device including components such as gears, tooth plates, heaters, etc., the problem of edge protrusion or shrinkage during injection molding of plastic products thermoforming machines is solved, and a better pressing effect and finished product appearance is achieved.
Patent Information
- Application Number
- CN202421551763.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-03
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-07-03
AI Technical Summary
During the injection molding process of plastic product thermoforming machines, the edges of molded parts are prone to protrusions or shrinkage, affecting the appearance and quality of the product.
A pressing device including a base, a support plate, a box, a slide rail, a tooth plate, a motor, a worm, a worm wheel, a rotating shaft, a gear, a housing, a heater and a pressing plate are designed. Through the meshing of gears and tooth plates, the housing and the edge plate are driven to move up and down, and the edge plate is heated by heater to prevent the plastic products from cooling quickly.
It effectively solves the problem of raised or shrinking edges of plastic products. The edge pressing plate is heated by heater, which improves the edge pressing effect and makes the edge edge more flat and beautiful.
Smart Images
Figure CN222742119U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of edge pressing devices, in particular to an edge pressing device of a plastic product thermoforming machine. Background Art
[0002] At present, during the injection molding process of plastic product thermoforming machines, due to the shrinkage rate of plastic, the molded parts will inevitably have defects such as edge protrusions or shrinkage, which will affect the appearance and quality of the products. Therefore, during the injection molding process, it is necessary to achieve the necessary edge pressing effect through mold design and process adjustment to make the edges of the finished products smooth and beautiful. In view of the above problems, the inventors propose a edge pressing device for a plastic product thermoforming machine to solve the above problems. Utility Model Content
[0003] In order to solve the problem that the edge of the molded part may be bulged or sunken during the injection molding process of the plastic product thermoforming machine, the utility model aims to provide a edge pressing device for the plastic product thermoforming machine.
[0004] To solve the above technical problems, the utility model adopts the following technical scheme: a edge pressing device of a plastic product thermoforming machine, comprising a base, a top surface of the base is fixedly connected to a supporting plate, a box is arranged above the supporting plate, a slide rail is arranged inside the box, a side wall of the slide rail is slidably connected to a tooth plate, a motor is arranged inside the box and on one side of the slide rail, a worm is fixedly connected to the output shaft end of the motor, a worm wheel is meshed with the side wall of the worm, a rotating shaft is inserted and fixedly connected to the middle of the side wall of the worm wheel, a gear is fixedly sleeved on the side wall of the rotating shaft and on one side of the worm wheel, the gear is meshed with the tooth plate, a shell is arranged below the tooth plate, a heater is arranged inside the shell, the bottom surface of the shell is fixedly connected to the edge pressing plate, and the output end of the heater cooperates with the edge pressing plate.
[0005] Preferably, both side surfaces of the box body are fixedly connected with stands, the bottom surface of the stands are fixedly connected to the top surface of the base, the side walls of the box body are penetrated with air ports, the air ports correspond to the motors, and the ports of the air ports are fixedly connected with dust-proof nets. When edge pressing is performed, the heater is started to heat the edge pressing plate to avoid the edge pressing plate having a low temperature, which may cause the plastic product to cool down quickly during edge pressing, thereby avoiding affecting the edge pressing effect. The stands are used to support and fix the box body, the air ports are used to allow air to circulate inside and outside the box body to dissipate heat from the motor, and the dust-proof net is used to prevent external dust from entering the box body through the air ports.
[0006] The gear wheel is meshed with the gear plate, and the gear wheel is meshed with the gear wheel, so that the gear wheel can be meshed with the gear plate, so that the gear plate can drive the housing to move up and down.
[0007] Preferably, a fixing plate is fixedly connected to the middle part of the top surface of the shell, the top surface of the fixing plate is fixedly connected to the bottom surface of the tooth plate, guide rods are fixedly connected to both sides of the top surface of the shell, the side wall sliding sleeve of the guide rod is provided with a guide cylinder, the side wall of the guide cylinder is fixed to the inner wall of the box body, and the guide rod and the guide cylinder cooperate with each other, so that the shell can move up and down more smoothly, and then the edge pressing plate can move smoothly, so as to improve the edge pressing effect of plastic products and make the edge of the finished product smooth and beautiful.
[0008] Compared with the prior art, the beneficial effects of the utility model are: the edge pressing plate can be used to press the plastic products, and the cooperation between the guide rod and the guide cylinder can make the edge pressing plate move smoothly to improve the edge pressing effect of the plastic products, so that the edge of the finished product is smoother and more beautiful, and when pressing the edges, the edge pressing plate can be heated by the heater, so as to avoid the plastic products from cooling down quickly due to the low temperature of the edge pressing plate, which affects the edge pressing effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0010] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0011] Figure 2 It is another structural schematic diagram of the utility model as a whole.
[0012] Figure 3 This is a schematic diagram of the internal structure of the box of the utility model.
[0013] Figure 4 It is an enlarged view of point A of the present utility model.
[0014] In the figure: 1. base; 2. supporting plate; 3. stand; 4. box; 5. air port; 6. convex plate; 7. slide rail; 8. motor; 9. fixed seat; 10. worm; 11. worm wheel; 12. rotating shaft; 13. gear; 14. bearing seat; 15. tooth plate; 16. slide groove; 17. fixed plate; 18. shell; 19. guide rod; 20. guide cylinder; 21. heater; 22. edge plate. DETAILED DESCRIPTION
[0015] 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.
[0016] Example: Figure 1-4 As shown, the utility model provides a edge pressing device of a plastic product thermoforming machine, including a base 1, a support plate 2 is fixedly connected to the top surface of the base 1, a box body 4 is arranged above the support plate 2, a slide rail 7 is arranged inside the box body 4, a tooth plate 15 is slidably connected to the side wall of the slide rail 7, a motor 8 is arranged inside the box body 4 and on one side of the slide rail 7, a worm 10 is fixedly connected to the output shaft end of the motor 8, a worm wheel 11 is meshed with the side wall of the worm 10, a rotating shaft 12 is inserted and fixedly connected to the middle of the side wall of the worm wheel 11, a gear 13 is fixedly sleeved on the side wall of the rotating shaft 12 and on one side of the worm wheel 11, the gear 13 is meshed with the tooth plate 15, a shell 18 is arranged below the tooth plate 15, a heater 21 is arranged inside the shell 18, a edge pressing plate 22 is fixedly connected to the bottom surface of the shell 18, and the output end of the heater 21 cooperates with the edge pressing plate 22.
[0017] The two side surfaces of the box body 4 are fixedly connected with the stand 3, the bottom surface of the stand 3 is fixedly connected with the top surface of the base 1, the side wall of the box body 4 is penetrated with an air port 5, the air port 5 corresponds to the motor 8, and a dustproof net is fixedly connected at the end of the air port 5.
[0018] By adopting the above technical solution, when edge pressing is performed, the heater 21 is started to heat the edge pressing plate 22 to avoid the edge pressing plate 22 having a low temperature and causing the plastic product to cool down quickly during edge pressing, thereby avoiding affecting the edge pressing effect. The stand 3 is used to support and fix the box 4, the air vent 5 is used to allow air to circulate inside and outside the box 4 to dissipate heat for the motor 8, and the dust net is used to prevent external dust from entering the box 4 through the air vent 5.
[0019] The side wall of the slide rail 7 is fixedly connected with a convex plate 6, which is fixedly connected to the inner wall of the box body 4. The side wall of the motor 8 is sleeved with a fixing seat 9, and the side of the fixing seat 9 away from the motor 8 is fixed to the inner wall of the box body 4.
[0020] By adopting the above technical solution, the slide rail 7 is installed through the convex plate 6, such as Figure 3 As shown, the slide rail 7 is placed vertically, the motor 8 is installed through the fixing seat 9, the motor 8 is started, and the worm 10 rotates under the action of the output shaft of the motor 8. The worm 10 and the worm wheel 11 are meshed with each other, so that the rotating shaft 12 can drive the gear 13 to rotate, and then the gear 13 can be meshed with the tooth plate 15, so that the tooth plate 15 drives the housing 18 to move up and down.
[0021] The side wall of the rotating shaft 12 is rotatably connected with a bearing seat 14 , and the side wall of the bearing seat 14 is fixed to the inner wall of the box body 4 . A sliding groove 16 is provided on the side of the tooth plate 15 facing away from the teeth, and the sliding groove 16 is slidably connected to the slide rail 7 .
[0022] By adopting the above technical solution, the bearing seat 14 is used to support the rotation of the rotating shaft 12 to reduce the friction coefficient, and when the gear 13 is engaged with the tooth plate 15, the tooth plate 15 can move more smoothly through the mutual cooperation of the slide groove 16 and the slide rail 7.
[0023] A fixing plate 17 is fixedly connected to the middle of the top surface of the shell 18, and the top surface of the fixing plate 17 is fixedly connected to the bottom surface of the tooth plate 15. Guide rods 19 are fixedly connected to both sides of the top surface of the shell 18. The side walls of the guide rods 19 are slidably sleeved with guide cylinders 20, and the side walls of the guide cylinders 20 are fixed to the inner walls of the box body 4.
[0024] By adopting the above technical solution, through the cooperation between the guide rod 19 and the guide cylinder 20, the shell 18 can move up and down more smoothly, and then the edge pressing plate 22 can move smoothly, so as to improve the edge pressing effect of the plastic product and make the edge of the finished product smooth and beautiful.
[0025] Working principle: When the utility model is used, the plastic product to be edge pressed is placed on the supporting plate 2, the motor 8 is started, and the worm 10 rotates under the action of the output shaft of the motor 8, and the worm 10 and the worm wheel 11 are meshed with each other, so that the rotating shaft 12 can drive the gear 13 to rotate, and then the gear 13 can be meshed with the tooth plate 15, so that the tooth plate 15 drives the housing 18 to move up and down, and then the edge pressing plate 22 can be moved;
[0026] When edge pressing, the heater 21 is started to heat the edge pressing plate 22, so as to avoid the edge pressing plate 22 having a low temperature, which causes the plastic product to cool down quickly during edge pressing and affects the edge pressing effect. The cooperation between the guide rod 19 and the guide cylinder 20 can make the shell 18 move up and down more smoothly, and then the edge pressing plate 22 can move smoothly, so as to improve the edge pressing effect of the plastic product and make the edge of the finished product smooth and beautiful.
[0027] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
Claims
1. A pressing device for a plastic product thermoforming machine, comprising a base (1), characterized in that: The top surface of the base (1) is fixedly connected to a supporting plate (2), a box (4) is arranged above the supporting plate (2), a slide rail (7) is arranged inside the box (4), a toothed plate (15) is slidably connected to the side wall of the slide rail (7), a motor (8) is arranged inside the box (4) and on one side of the slide rail (7), a worm (10) is fixedly connected to the output shaft end of the motor (8), a worm wheel (11) is meshed with the side wall of the worm wheel (10), and the worm wheel (11) A rotating shaft (12) is inserted and fixedly connected in the middle of the side wall, and a gear (13) is fixedly sleeved on the side wall of the rotating shaft (12) and on one side of the worm gear (11), and the gear (13) is meshed with a tooth plate (15). A shell (18) is arranged below the tooth plate (15), and a heater (21) is arranged inside the shell (18). A pressure plate (22) is fixedly connected to the bottom surface of the shell (18), and the output end of the heater (21) cooperates with the pressure plate (22).
2. A edge pressing device for a plastic product thermoforming machine as claimed in claim 1, characterized in that: Both side surfaces of the box body (4) are fixedly connected to a stand (3), and the bottom surface of the stand (3) is fixedly connected to the top surface of the base (1).
3. The edge pressing device of a plastic product thermoforming machine according to claim 1, characterized in that: An air port (5) is provided through the side wall of the box body (4), the air port (5) corresponds to the motor (8), and a dustproof net is fixedly connected to the end of the air port (5).
4. The edge pressing device of a plastic product thermoforming machine according to claim 1, characterized in that: The side wall of the slide rail (7) is fixedly connected with a convex plate (6), and the convex plate (6) is fixedly connected to the inner wall of the box body (4).
5. The edge pressing device of a plastic product thermoforming machine according to claim 1, characterized in that: A fixing seat (9) is sleeved on the side wall of the motor (8), and a side of the fixing seat (9) away from the motor (8) is fixed to the inner wall of the box body (4).
6. The edge pressing device of a plastic product thermoforming machine according to claim 1, characterized in that: The side wall of the rotating shaft (12) is rotatably connected to a bearing seat (14), and the side wall of the bearing seat (14) is fixed to the inner wall of the box body (4).
7. The edge pressing device of a plastic product thermoforming machine according to claim 1, characterized in that: A sliding groove (16) is provided on a side of the tooth plate (15) facing away from the teeth, and the sliding groove (16) is slidably connected to the slide rail (7).
8. The edge pressing device of a plastic product thermoforming machine according to claim 1, characterized in that: A fixing plate (17) is fixedly connected to the middle of the top surface of the shell (18), the top surface of the fixing plate (17) is fixedly connected to the bottom surface of the toothed plate (15), guide rods (19) are fixedly connected to both sides of the top surface of the shell (18), the side wall of the guide rod (19) is slidably sleeved with a guide cylinder (20), and the side wall of the guide cylinder (20) is fixed to the inner wall of the box body (4).