Rapid cooling device for plastic injection molding

Abstract

The cooling device comprises a base, a sliding groove is formed in the top of the base, damping blocks are connected to the front side and the rear side of the interior of the sliding groove in a sliding mode, and the surfaces of the damping blocks are made of rubber and are in interference fit with the inner side of the sliding groove. The aluminum hollow plate is attached to the die, then the water pump and the motor are started, the water pump is started to convey cooling water in the water tank into the aluminum hollow plate, the effect of cooling the die is achieved, meanwhile, the motor is started to drive the first rotating rod to rotate, and the first rotating rod rotates to drive the stirring blades to rotate; stirring blades rotate to achieve the effect of fully mixing water flowing back into the water tank, a first rotating rod rotates to drive a second rotating rod to rotate through a transmission wheel and a transmission belt, the second rotating rod rotates to drive fan blades to rotate, the fan blades rotate to conduct air cooling on an aluminum heat dissipation plate, and the cooling effect on the mold is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic injection molding cooling, in particular to a cooling device for rapid temperature reduction for plastic injection molding. Background Art

[0002] Plastic injection molding is a molding process, specifically refers to injecting molten plastic into a mold, cooling and solidifying it in the mold to form the desired plastic product. This process includes heating and pre-plasticizing the plastic, closing and locking the mold, moving the injection device forward, injecting and holding pressure, etc. Plastic injection molding is a common form of injection molding and is widely used in the production of large quantities of plastic products.

[0003] Plastic injection molding cooling is extremely important in the injection molding process. First of all, the cooling time usually accounts for a large proportion of the entire production cycle. Therefore, through reasonable cooling design, the cooling time of injection molded parts can be significantly shortened, thereby improving production efficiency. This can not only make the production process more efficient, but also reduce production costs. The cooling method in the prior art is mostly to immerse the mold in water for cooling. This rapid cooling method will affect the mold itself. The mold will be deformed or even damaged due to the large temperature difference between the inside and the outside. Therefore, it is necessary to design a rapid cooling cooling device for plastic injection molding to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a cooling device for rapid temperature reduction for plastic injection molding to solve the problems raised by the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cooling device for rapid cooling of plastic injection molding, comprising a base, a slide groove is provided on the top of the base, a damping block is slidably connected to the front and rear sides of the slide groove, the surface of the damping block is set to a rubber material and has an interference fit with the inner side of the slide groove, an aluminum hollow plate is fixedly installed on the top of the damping block, a water groove is provided inside the aluminum hollow plate, and a water tank is fixedly installed on the right side of the top of the base;

[0006] A water pump is fixedly installed on the left side of the bottom of the water tank inner cavity, and the outlet end of the water pump is connected to a double-headed hose, both ends of the double-headed hose pass through the water tank and extend to the outside of the water tank, one end of the double-headed hose extending to the outside of the water tank is connected to the right side of the aluminum hollow plate, and the left side of the aluminum hollow plate is connected to a return pipe, one end of the return pipe passes through the water tank and extends to the inside of the water tank.

[0007] Preferably, a motor is fixedly installed on the top of the water tank via a bracket, and a first rotating rod is fixedly installed on the output shaft of the motor via a coupling, the bottom end of the first rotating rod passes through the water tank and extends to the interior of the water tank, and a stirring blade is fixedly installed on the surface of the first rotating rod and located inside the water tank, and a plurality of stirring blades are provided.

[0008] Preferably, an aluminum heat sink is fixedly installed on the right side of the water tank through an opening, and there are several aluminum heat sinks. The right side of the water tank is rotatably connected to a second rotating rod through a bracket, and fan blades are fixedly installed on the surface of the second rotating rod, and there are several fan blades.

[0009] Preferably, transmission wheels are fixedly mounted on the surface of the first rotating rod and the top end of the second rotating rod.

[0010] Preferably, the two transmission wheels are connected via a transmission belt.

[0011] Preferably, the front side of the top of the water tank is connected to a water inlet pipe.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The rapid cooling device for plastic injection molding is implemented by fitting an aluminum hollow plate to a mold, and then starting a water pump and a motor. The water pump starts to transport cooling water in a water tank to the aluminum hollow plate, thereby achieving an effect of cooling the mold. At the same time, the motor starts to drive the first rotating rod to rotate, and the rotation of the first rotating rod drives the stirring blade to rotate. The rotation of the stirring blade can achieve an effect of fully mixing the water refluxed into the water tank. The rotation of the first rotating rod can drive the second rotating rod to rotate through a transmission wheel and a transmission belt, and the rotation of the second rotating rod drives the fan blade to rotate. The rotation of the fan blade can air-cool the aluminum heat sink, thereby further improving the cooling effect on the mold.

[0014] 2. The rapid cooling device for plastic injection molding places the mold between two aluminum hollow plates, and then pushes the aluminum hollow plates to make them close to the surface of the mold. At this time, the aluminum hollow plates can absorb the heat of the mold. At the same time, by setting the surface of the aluminum hollow plates to rubber material, the stability of the aluminum hollow plates after being fitted to the mold is improved, thereby achieving the effect of facilitating adaptation to molds of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a cross-sectional view of the base and water tank structure of the utility model;

[0017] Figure 3This is a schematic diagram of the structure of the stirring blade, the second rotating rod and the fan blade of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the damping block, water pump and double-ended hose of the utility model;

[0019] Figure 5 It is a cross-sectional view of the aluminum hollow plate structure of the utility model.

[0020] In the figure: 1. base; 2. slide; 3. damping block; 4. aluminum hollow plate; 5. water tank; 6. water pump; 7. double-headed hose; 8. return pipe; 9. motor; 10. first rotating rod; 11. stirring blade; 12. aluminum heat sink; 13. second rotating rod; 14. fan blade; 15. transmission wheel; 16. transmission belt; 17. water inlet pipe; 18. water trough. 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] Embodiment 1

[0023] Please refer to Figure 1-5 As shown, the utility model provides a cooling device for rapid cooling of plastic injection molding, comprising a base 1, a slide groove 2 is provided on the top of the base 1, a damping block 3 is slidably connected to the front and rear sides of the slide groove 2, the surface of the damping block 3 is set to be a rubber material and has an interference fit with the inner side of the slide groove 2, an aluminum hollow plate 4 is fixedly installed on the top of the damping block 3, a water trough 18 is provided inside the aluminum hollow plate 4, and a water tank 5 is fixedly installed on the right side of the top of the base 1;

[0024] Specifically, a water pump 6 is fixedly installed on the left side of the bottom of the inner cavity of the water tank 5, and the outlet end of the water pump 6 is connected with a double-headed hose 7. Both ends of the double-headed hose 7 penetrate the water tank 5 and extend to the outside of the water tank 5. One end of the double-headed hose 7 extending to the outside of the water tank 5 is connected to the right side of the aluminum hollow plate 4. The left side of the aluminum hollow plate 4 is connected with a return pipe 8. One end of the return pipe 8 penetrates the water tank 5 and extends to the inside of the water tank 5. A motor 9 is fixedly installed on the top of the water tank 5 through a bracket. The motor 9 is a servo motor. The output shaft of the motor 9 is fixedly installed with a first rotating rod 10 through a coupling. The bottom end of the first rotating rod 10 penetrates the water tank 5 and extends to the inside of the water tank 5. A stirring blade 11 is fixedly installed on the surface of the first rotating rod 10 and located inside the water tank 5, and a plurality of stirring blades 11 are provided. By arranging the aluminum hollow plate 4 and placing the mold between the two aluminum hollow plates 4, Then push the aluminum hollow plate 4 to make it close to the surface of the mold. At this time, the aluminum hollow plate 4 can absorb the heat of the mold. At the same time, by setting the surface of the aluminum hollow plate 4 to rubber material, the stability of the aluminum hollow plate 4 after being fitted with the mold is improved, thereby achieving the effect of facilitating the adaptation of molds of different sizes. After fitting, start the water pump 6 and the motor 9. The water pump 6 starts to transport the cooling water inside the water tank 5 to the aluminum hollow plate 4 through the double-headed hose 7. After entering the aluminum hollow plate 4, the water can flow to the return pipe 8 through the water trough 18, and then flow back to the water tank 5 through the return pipe 8, thereby achieving the effect of cooling the aluminum hollow plate 4. At the same time, the motor 9 starts to drive the first rotating rod 10 to rotate, and the rotation of the first rotating rod 10 drives the stirring blade 11 to rotate. The rotation of the stirring blade 11 can achieve the effect of fully mixing the water flowing back to the water tank 5.

[0025] Specifically, an aluminum heat sink 12 is fixedly installed on the right side of the water tank 5 through an opening, and there are several aluminum heat sinks 12. A second rotating rod 13 is rotatably connected to the right side of the water tank 5 through a bracket. Fan blades 14 are fixedly installed on the surface of the second rotating rod 13, and there are several fan blades 14. A transmission wheel 15 is fixedly installed on the surface of the first rotating rod 10 and the top of the second rotating rod 13. The two transmission wheels 15 are connected by a transmission belt 16. By setting up the aluminum heat sink 12, the water inside the water tank 5 can be cooled. At the same time, the rotation of the first rotating rod 10 can drive the second rotating rod 13 to rotate through the transmission wheel 15 and the transmission belt 16. The rotation of the second rotating rod 13 drives the fan blades 14 to rotate. The rotation of the fan blades 14 can cool the aluminum heat sink 12 with air, thereby further improving the cooling effect on the mold.

[0026] The front side of the top of the water tank 5 is connected with a water inlet pipe 17 , and the water inlet pipe 17 can be provided to facilitate adding cooling water into the water tank 5 .

[0027] Working principle: The utility model is a cooling device for rapid cooling of plastic injection molding. The mold is placed between two aluminum hollow plates 4, and then the aluminum hollow plates 4 are pushed to make the aluminum hollow plates 4 close to the surface of the mold. At this time, the aluminum hollow plates 4 can absorb the heat of the mold. At the same time, by setting the surface of the aluminum hollow plates 4 to rubber material, the stability of the aluminum hollow plates 4 after being fitted with the mold is improved, thereby achieving the effect of facilitating the adaptation of molds of different sizes. After fitting, the water pump 6 and the motor 9 are started. The water pump 6 is started to transport the cooling water inside the water tank 5 to the aluminum hollow plates 4 through the double-headed hose 7. After entering the interior of the aluminum hollow plates 4, the water can flow to the water tank 5 through the water tank 18. The water in the water tank 5 is cooled by the motor 9, and the water returns to the water tank 5 through the return pipe 8, thereby achieving the effect of cooling the aluminum hollow plate 4. At the same time, the motor 9 is started to drive the first rotating rod 10 to rotate, and the rotation of the first rotating rod 10 drives the stirring blade 11 to rotate. The rotation of the stirring blade 11 can achieve the effect of fully mixing the water returning to the inside of the water tank 5, and by setting an aluminum heat sink 12, the effect of cooling the water inside the water tank 5 can be achieved. At the same time, the rotation of the first rotating rod 10 can drive the second rotating rod 13 to rotate through the transmission wheel 15 and the transmission belt 16, and the rotation of the second rotating rod 13 drives the fan blade 14 to rotate. The rotation of the fan blade 14 can air-cool the aluminum heat sink 12, thereby further improving the cooling effect on the mold.

[0028] The contents not described in detail in this specification belong to the prior art known to professionals in this field.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may 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 shall be included in the protection scope of the present invention.

Claims

1. A cooling device for rapid cooling of plastic injection molding, comprising a base (1), characterized in that: The top of the base (1) is provided with a slide groove (2), the front and rear sides of the slide groove (2) are slidably connected with a damping block (3), the surface of the damping block (3) is set to a rubber material and is interference fit with the inner side of the slide groove (2), the top of the damping block (3) is fixedly installed with an aluminum hollow plate (4), the inside of the aluminum hollow plate (4) is provided with a water channel (18), and the right side of the top of the base (1) is fixedly installed with a water tank (5); A water pump (6) is fixedly installed on the left side of the bottom of the inner cavity of the water tank (5); the outlet end of the water pump (6) is connected to a double-ended hose (7); both ends of the double-ended hose (7) penetrate the water tank (5) and extend to the outside of the water tank (5); one end of the double-ended hose (7) extending to the outside of the water tank (5) is connected to the right side of the aluminum hollow plate (4); the left side of the aluminum hollow plate (4) is connected to a return pipe (8); one end of the return pipe (8) penetrates the water tank (5) and extends to the inside of the water tank (5).

2. A cooling device for rapid cooling of plastic injection molding according to claim 1, characterized in that: A motor (9) is fixedly mounted on the top of the water tank (5) via a bracket, a first rotating rod (10) is fixedly mounted on the output shaft of the motor (9) via a coupling, a bottom end of the first rotating rod (10) penetrates the water tank (5) and extends into the interior of the water tank (5), a stirring blade (11) is fixedly mounted on the surface of the first rotating rod (10) and located inside the water tank (5), and a plurality of stirring blades (11) are provided.

3. A cooling device for rapid cooling of plastic injection molding according to claim 2, characterized in that: An aluminum heat sink (12) is fixedly mounted on the right side of the water tank (5) through an opening, and a plurality of aluminum heat sinks (12) are provided. A second rotating rod (13) is rotatably connected to the right side of the water tank (5) through a bracket, and a fan blade (14) is fixedly mounted on the surface of the second rotating rod (13), and a plurality of fan blades (14) are provided.

4. A cooling device for rapid cooling of plastic injection molding according to claim 3, characterized in that: A transmission wheel (15) is fixedly mounted on the surface of the first rotating rod (10) and the top end of the second rotating rod (13).

5. A cooling device for rapid cooling of plastic injection molding according to claim 4, characterized in that: The two transmission wheels (15) are connected to each other via a transmission belt (16).

6. A cooling device for rapid cooling of plastic injection molding according to claim 1, characterized in that: The front side of the top of the water tank (5) is connected to a water inlet pipe (17).

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