Cooling forming device for plastic product manufacturing

By combining air cooling and water cooling methods, the problems of unsatisfactory cooling effect and surface water droplet residue in plastic products have been solved, achieving rapid drying and efficient cooling, and improving the production efficiency of plastic product manufacturing.

CN224089449UActive Publication Date: 2026-04-07ZHEJIANG HANHUI TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-24
Publication Date
2026-04-07

AI Technical Summary

Technical Problem

Existing cooling molding equipment for plastic product manufacturing has unsatisfactory cooling effect, and water droplets remain on the surface of plastic products after cooling, requiring a long time to dry, which affects work efficiency.

Method used

It adopts a cooling method that combines air cooling and water cooling. The cooling water is sprayed through impeller air cooling and piston reciprocating motion. Combined with the use of filter screen and one-way valve, it achieves a dual cooling effect and uses impeller blowing air to remove water stains.

Benefits of technology

It improves cooling molding efficiency, ensures rapid drying of plastic products, and enhances the working efficiency of the cooling device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a cooling forming device for manufacturing plastic products, which comprises a bottom frame, a machine frame fixed on the bottom frame, a housing fixed on the machine frame, a rotating shaft rotatably mounted in the housing, an impeller fixed on the rotating shaft, a bidirectional motor fixed on one side of the housing, and a main shaft mounted at the output end of the bidirectional motor. The main shaft and the rotating shaft are in transmission connection through a belt mechanism, a piston barrel is fixed to the rack, a piston is slidably clamped in the piston barrel, the main shaft and the piston are connected in a matched mode through a linkage mechanism, and the main shaft can drive the piston to slide in the piston barrel in a reciprocating mode while rotating. According to the plastic product cooling device, plastic products are cooled in two cooling modes, the cooling effect is more ideal, in addition, after water in the water tank is discharged, the impeller is independently used for blowing air to the plastic products, water stains on the surfaces of the plastic products during water-cooling heat dissipation can be removed, the plastic products are rapidly aired, and the cooling forming efficiency is improved.
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Description

Technical Field

[0001] This utility model relates to the technical field of cooling molding apparatus, specifically a cooling molding apparatus for manufacturing plastic products. Background Technology

[0002] Plastics, a chemically stable material with good wear resistance, exhibit fluid-like properties at high temperatures and solidify upon cooling. They are widely used in various fields. Common plastic molding methods include extrusion, blow molding, and thermoforming. Uniform cooling is essential for plastics to become qualified products during molding, making cooling devices crucial for plastic product manufacturing.

[0003] However, most cooling molding equipment used in the manufacture of plastic products currently uses cooling water to cool the plastic products. After cooling, water droplets remain on the surface of the plastic products, which need to be dried or air-dried naturally, which takes a long time. Moreover, using only one cooling method to cool the plastic products is not very effective, which also reduces the working efficiency of the cooling molding equipment.

[0004] Therefore, we provide a cooling molding apparatus for manufacturing plastic products to solve the problems mentioned above. Utility Model Content

[0005] The purpose of this invention is to provide a cooling molding apparatus for manufacturing plastic products, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] A cooling molding apparatus for manufacturing plastic products includes a base frame, a machine frame fixed on the base frame, a cover with openings at both ends fixed on the machine frame, a rotating shaft rotatably mounted inside the cover, an impeller fixed on the rotating shaft, a bidirectional motor fixed on one side of the cover, a main shaft mounted on the output end of the bidirectional motor, the main shaft and the rotating shaft being connected by a belt mechanism, a piston cylinder fixed on the machine frame, a piston slidably engaged inside the piston cylinder, the main shaft and the piston being connected by a linkage mechanism, the main shaft rotating causing the piston to reciprocate within the piston cylinder, a first water pipe and a second water pipe mounted on the piston cylinder, a worktable fixed on the base frame, a water tank mounted on the bottom of the worktable, one end of the second water pipe extending above the worktable, and one end of the first water pipe extending into the water tank.

[0008] A cooling molding apparatus for manufacturing plastic products as described above: a filter screen is fixedly installed at the top opening of the housing.

[0009] A cooling molding apparatus for manufacturing plastic products as described above: the belt mechanism includes a second pulley fixed on a rotating shaft and a first pulley fixed on a main shaft, and the first pulley and the second pulley are connected by belt drive.

[0010] A cooling molding apparatus for manufacturing plastic products as described above: the linkage mechanism includes a worm fixed on the main shaft and a worm wheel rotatably mounted on the frame. The worm wheel meshes with the worm. A swing arm is hinged to the worm wheel. One end of the swing arm is hinged to a connecting rod that is movably inserted into the piston cylinder. The connecting rod is fixed to the piston.

[0011] A cooling molding apparatus for manufacturing plastic products as described above: a one-way valve is installed on the first water pipe and the second water pipe respectively.

[0012] As described above, a cooling and molding apparatus for manufacturing plastic products includes a filter screen fixedly installed inside the water tank. Compared with the prior art, the advantages of this invention are: A processed plastic product awaiting cooling is placed on the worktable. Starting the bidirectional motor drives the main shaft to rotate, which in turn drives the impeller to rotate, providing air cooling for the plastic product on the worktable. Simultaneously, the rotation of the main shaft causes the piston to slide back and forth within the piston cylinder, drawing cooling water from the water tank into the piston cylinder and then pushing it onto the worktable surface for water cooling of the plastic product. This dual cooling method results in a more ideal cooling effect. Furthermore, after the water is drained from the tank, the impeller alone blows air onto the plastic product, removing water stains from the surface during water cooling and allowing it to dry quickly, thus improving cooling and molding efficiency. Attached Figure Description

[0013] Figure 1 This is a front view schematic diagram of a cooling molding apparatus for manufacturing plastic products.

[0014] Figure 2 This is a schematic diagram of the overall structure of a cooling molding apparatus for manufacturing plastic products.

[0015] Figure 3 A cooling molding apparatus for manufacturing plastic products Figure 2 A partial structural diagram. In the diagram: 1. Base frame; 2. Frame; 3. Cover; 4. Shaft; 5. Impeller; 6. Bidirectional motor; 7. Main shaft; 8. First pulley; 9. Second pulley; 10. Belt; 11. Worktable; 12. Water tank; 13. Filter screen; 14. Piston cylinder; 15. Worm gear; 16. Worm; 17. Swing arm; 18. Connecting rod; 19. Piston; 20. First water pipe; 21. Second water pipe. Detailed Implementation

[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0017] Please see Figures 1-3 As an embodiment of this utility model, a cooling molding device for manufacturing plastic products includes a base frame 1, a frame 2 fixed on the base frame 1, a cover 3 with openings at both ends fixed on the frame 2, a rotating shaft 4 rotatably installed inside the cover 3, an impeller 5 fixed on the rotating shaft 4, a bidirectional motor 6 fixed on one side of the cover 3, a main shaft 7 installed at the output end of the bidirectional motor 6, and a belt drive connecting the main shaft 7 and the rotating shaft 4. A piston cylinder 14 is fixed on the frame 2, and a piston 19 is slidably engaged inside the piston cylinder 14. The main shaft 7 and the piston 19 are connected by a linkage mechanism. When the main shaft 7 rotates, it drives the piston 19 to slide back and forth inside the piston cylinder 14. A first water pipe 20 and a second water pipe 21 are installed on the piston cylinder 14. A workbench 11 is fixed on the base frame 1, and a water tank 12 is installed at the bottom of the workbench 11. One end of the second water pipe 21 extends above the workbench 11, and one end of the first water pipe 20 extends into the water tank 12.

[0018] In this embodiment, a processed plastic product awaiting cooling is placed on the workbench 11. Starting the bidirectional motor 6 drives the spindle 7 to rotate, which in turn drives the rotating shaft 4 to rotate, thereby driving the impeller 5 to rotate and provide air cooling for the plastic product on the workbench 11. At the same time, the rotation of the spindle 7 causes the piston 19 to slide back and forth in the piston cylinder 14, thereby drawing the cooling water from the water tank 12 into the piston cylinder 14 and then pushing it to the second water pipe 21. The second water pipe 21 sprays water onto the surface of the workbench 11 to provide water cooling for the plastic product on the workbench 11. Thus, the plastic product is cooled through two cooling methods, resulting in a more ideal cooling effect. In addition, after the water is discharged from the water tank 12, the impeller 5 is used to blow air onto the plastic product to remove water stains on the surface of the plastic product during water cooling, allowing it to dry quickly and improving the cooling and molding efficiency.

[0019] As a further embodiment of this utility model, a filter screen is fixedly installed at the top opening of the cover 3.

[0020] In this embodiment, the opening at the top of the cover 3 is used for air intake inside the cover 3 when the impeller 5 rotates, and the filter screen reduces the impact of external dust entering the cover 3 on the impeller 5.

[0021] As a further embodiment of this utility model, the belt mechanism includes a second pulley 9 fixed on the rotating shaft 4 and a first pulley 8 fixed on the main shaft 7. The first pulley 8 and the second pulley 9 are connected by a belt 10.

[0022] In this embodiment, when the main shaft 7 rotates, it drives the first pulley 8 to rotate, and when the first pulley 8 rotates, it drives the second pulley 9 to rotate, thereby driving the rotating shaft 4 to rotate synchronously.

[0023] As a further embodiment of this utility model, the linkage mechanism includes a worm gear 16 fixed on the main shaft 7 and a worm wheel 15 rotatably mounted on the frame 2. The worm wheel 15 meshes with the worm gear 16, and a swing arm 17 is hinged to the worm wheel 15. One end of the swing arm 17 is hinged to a connecting rod 18 that is movably inserted into the piston cylinder 14. The connecting rod 18 is fixed to the piston 19.

[0024] In this embodiment, when the main shaft 7 rotates, it drives the worm gear 16 to rotate. The rotation of the worm gear 16 drives the worm wheel 15 to rotate. When the worm wheel 15 rotates, it drives the swing arm 17 to swing, thereby pulling the connecting rod 18 to move up and down, thereby driving the piston 19 to slide up and down inside the piston cylinder 14.

[0025] As a further embodiment of this utility model, one-way valves are respectively installed on the first water pipe 20 and the second water pipe 21.

[0026] In this embodiment, the one-way valve allows water to enter the piston cylinder 14 unidirectionally from the first water pipe 20 and to be sprayed outward unidirectionally through the second water pipe 21.

[0027] As a further embodiment of this utility model, a filter screen 13 is fixedly installed inside the water tank 12.

[0028] In this embodiment, the filter screen 13 can filter impurities on the surface of the plastic product during water cooling to prevent them from entering the water tank 12.

[0029] The working principle of this utility model is as follows: A processed plastic product awaiting cooling is placed on the workbench 11. Starting the bidirectional motor 6 drives the main shaft 7 to rotate, which in turn drives the rotating shaft 4 to rotate, thereby rotating the impeller 5 to provide air cooling for the plastic product on the workbench 11. Simultaneously, the rotation of the main shaft 7 causes the piston 19 to slide back and forth within the piston cylinder 14, drawing cooling water from the water tank 12 into the piston cylinder 14 and then pushing it to the second water pipe 21. From the second water pipe 21, the water is sprayed onto the surface of the workbench 11 to provide water cooling for the plastic product. This two-method cooling system provides a more ideal cooling effect. Furthermore, after the water is drained from the water tank 12, the impeller 5 alone blows air onto the plastic product to remove water stains from its surface during water cooling, allowing it to dry quickly and improving cooling and molding efficiency. The above embodiments are exemplary and not restrictive. Therefore, any other specific implementations of this utility model without departing from its spirit or basic characteristics are included within the scope of this utility model.

Claims

1. A cooling molding apparatus for manufacturing plastic products, comprising a base frame (1), characterized in that, A frame (2) is fixed on the base frame (1). A cover (3) with openings at both ends is fixed on the frame (2). A rotating shaft (4) is rotatably installed inside the cover (3). An impeller (5) is fixed on the rotating shaft (4). A bidirectional motor (6) is fixed on one side of the cover (3). A main shaft (7) is installed at the output end of the bidirectional motor (6). The main shaft (7) and the rotating shaft (4) are connected by a belt mechanism. A piston cylinder (14) is fixed on the frame (2). A piston (19) is slidably engaged inside the piston cylinder (14). The main shaft (7) and the piston (19) are connected by a linkage mechanism. When the main shaft (7) rotates, it will drive the piston (19) to slide back and forth in the piston cylinder (14). The piston cylinder (14) is equipped with a first water pipe (20) and a second water pipe (21). The base frame (1) is fixed with a workbench (11). The bottom of the workbench (11) is equipped with a water tank (12). One end of the second water pipe (21) extends to the top of the workbench (11), and one end of the first water pipe (20) extends into the water tank (12).

2. The cooling molding apparatus for manufacturing plastic products according to claim 1, characterized in that, A filter screen is fixedly installed at the top opening of the cover (3).

3. The cooling molding apparatus for manufacturing plastic products according to claim 1, characterized in that, The belt mechanism includes a second pulley (9) fixed on a rotating shaft (4) and a first pulley (8) fixed on a main shaft (7). The first pulley (8) and the second pulley (9) are connected by a belt (10).

4. The cooling molding apparatus for manufacturing plastic products according to claim 1, characterized in that, The linkage mechanism includes a worm (16) fixed on the main shaft (7) and a worm wheel (15) rotatably mounted on the frame (2). The worm wheel (15) meshes with the worm (16). A swing arm (17) is hinged on the worm wheel (15). One end of the swing arm (17) is hinged to a connecting rod (18) that is movably inserted into the piston cylinder (14). The connecting rod (18) is fixed to the piston (19).

5. The cooling molding apparatus for manufacturing plastic products according to claim 1, characterized in that, One-way valves are installed on the first water pipe (20) and the second water pipe (21).

6. The cooling molding apparatus for manufacturing plastic products according to claim 1, characterized in that, A filter screen (13) is fixedly installed inside the water tank (12).