CN219883212U - A cooling device for injection molds - Google Patents

Abstract

The utility model discloses a cooling device for an injection mold, which comprises a cooling support, wherein the top end of the cooling support is fixedly connected with a cooling base, the top end of the cooling base is fixedly connected with a support frame, the inner side of the support frame is provided with a lower mold, the top end of the support frame is fixedly connected with a top plate, the top end of the top plate is provided with a water tank, one side of the water tank is provided with a water outlet pump, the other side of the water tank is provided with a circulating pump, the output end of the water outlet pump and the input end of the circulating pump are fixedly connected with telescopic pipes, and the bottom end of the top plate is fixedly connected with two groups of cylinders. This cooling device for injection mold sends the coolant liquid into inside the cooling tube through the play water pump, and the coolant liquid circulation in-process can cool off fast to the die cavity inside, and the coolant liquid after the use can flow back inside the water tank through the circulating pump, and water tank internally mounted's refrigeration plant can improve coolant liquid cooling efficiency, has solved inconvenient cooling to inside problem.

Description

A cooling device for injection molds

Technical field

The utility model relates to the technical field of injection molds, specifically a cooling device for injection molds.

Background technique

Injection molding is a method of producing shapes for industrial products. The heated and melted plastic is injected into the mold cavity at high pressure by an injection molding machine. After cooling and solidifying, the finished product is obtained. During injection molding, a cooling device is required to clamp the plastic to cool it to improve the efficiency of injection molding.

After searching, a cooling device for injection molds disclosed according to application number CN201921294238.4 was mentioned in the article: "The box has a hollow rectangular parallelepiped structure, and a cooling device is provided in the upper and middle part of the bottom plate inside the box. A support column is fixedly connected to each of the four corners of the upper end of the bottom plate. A lower mold is fixedly connected to the upper end of the support column. A mold groove is opened in the middle of the upper end of the lower mold. A telescopic rod is provided at each of the four corners of the upper end of the lower mold. The upper end of the telescopic rod The upper mold is fixedly connected, and the lower right end of the box is provided with a heat dissipation port." When cooling the mold, the cooling device in the above application can only cool the outside of the mold and cannot cool the inside of the mold cavity. Cooling efficiency is low.

There is an urgent need for a cooling device for injection molds to solve the technical defects proposed in the above-mentioned technologies.

Utility model content

The purpose of this utility model is to provide a cooling device for an injection mold to solve the problem of inconvenience in cooling the interior raised in the above-mentioned background technology.

In order to achieve the above object, the present utility model provides the following technical solution: a cooling device for an injection mold, including a cooling bracket, the top of the cooling bracket is fixedly connected to a cooling base, and the top of the cooling base is fixedly connected to a support frame, so A lower mold is provided inside the support frame, a top plate is fixedly connected to the top of the support frame, a water tank is installed on the top of the top plate, a water outlet pump is installed on one side of the water tank, and a water pump is installed on the other side of the water tank. Circulation pump, the output end of the water outlet pump and the input end of the circulation pump are fixedly connected with a telescopic tube, the bottom end of the top plate is fixedly connected with two sets of cylinders, the output end of the cylinder is fixedly connected with an upper mold, and the upper mold A cooling chamber is provided inside the mold, a cooling pipe is installed inside the cooling chamber, a support mesh frame is installed outside the lower mold, and four sets of heat dissipation channels are provided on both sides of the cooling bracket. A cooling fan is installed inside the heat dissipation slot.

Preferably, the inlet of the cooling pipe is provided on one side of the top of the upper mold, and the outlet of the cooling pipe is provided on the other side of the top of the upper mold.

Preferably, the telescopic tubes are provided in two groups, and the bottom ends of the telescopic tubes are respectively connected to the inlet and outlet of the cooling tube.

Preferably, cooling water pipes run through the interior of the cooling base, and the cooling water pipes are distributed at equal intervals inside the cooling base.

Preferably, a thermal conductive plate is attached to the outside of the lower mold, and a thermal conductive rod is fixedly connected between the thermal conductive plate and the supporting screen frame.

Preferably, a protective screen frame is fixedly connected to the outside of the cooling fan, and mounting bolts are installed between the protective screen frame and the cooling bracket.

Compared with the existing technology, the beneficial effects of the present invention are: the cooling device for an injection mold not only facilitates internal cooling, realizes the function of dissipating heat, but also realizes the function of accelerating air circulation;

(1) By setting up a water outlet pump, water tank, circulation pump, cooling chamber and cooling pipe, after the cylinder pushes the upper mold into the lower mold, the cooling chamber inside the upper mold can be cooled inside the mold cavity. During cooling, the cooling chamber needs to be cooled. The water pump draws out the coolant in the water tank, and the coolant enters the inside of the cooling tube along the telescopic tube. The inside of the mold cavity can be quickly cooled during the circulation of the coolant. The used coolant can flow back to the inside of the water tank through the circulation pump. The water tank The internally installed refrigeration equipment can improve the cooling efficiency of the coolant, and this structure realizes the function of rapid cooling of the interior;

(2) By arranging the lower mold, supporting screen frame, cooling water pipe, heat conduction plate and heat conduction rod, the heat of the lower mold can be quickly conducted through the heat conduction plate. The heat conduction plate conducts the heat to the inside of the heat conduction rod. The heat conduction plate and the heat conduction rod It can speed up the heat conduction efficiency of the lower mold. The cooling water pipe can flow cold water to quickly cool down the bottom of the lower mold, thereby improving the heat dissipation effect;

(3) By arranging the heat dissipation channel, cooling fan, protective screen frame and mounting bolts, the heat dissipation fan installed inside the heat dissipation channel can improve the heat dissipation efficiency. After the heat dissipation fan is started, the air circulation efficiency near the upper mold and the lower mold will be improved. The protective mesh frame on the outside of the cooling fan can protect it from physical contact with the blades of the cooling fan. The cooling fan can be removed and replaced from inside the cooling slot. This structure improves the cooling effect by increasing the air circulation rate.

Description of the drawings

Figure 1 is a schematic front cross-sectional structural diagram of the utility model;

Figure 2 is a schematic side structural view of the cooling bracket of the present invention;

Figure 3 is a schematic cross-sectional view of the upper mold of the present utility model;

Figure 4 is a schematic structural diagram of the lower mold of the present invention.

In the picture: 1. Cooling bracket; 2. Cooling base; 3. Lower mold; 4. Upper mold; 5. Cylinder; 6. Support frame; 7. Top plate; 8. Water outlet pump; 9. Water tank; 10. Circulation pump; 11. Telescopic tube; 12. Heat dissipation slot; 13. Cooling fan; 14. Support screen frame; 15. Cooling water pipe; 16. Protective screen frame; 17. Installation bolts; 18. Cooling chamber; 19. Cooling pipe; 20. Thermal conductive plate; 21. Thermal conductive rod.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only part of the embodiments of the present utility model, not all implementations. example. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

Embodiment 1: Please refer to Figures 1-4. A cooling device for an injection mold includes a cooling bracket 1. The top of the cooling bracket 1 is fixedly connected to a cooling base 2. The top of the cooling base 2 is fixedly connected to a support frame 6. The support frame A lower mold 3 is provided on the inside of 6, and a top plate 7 is fixedly connected to the top of the support frame 6. A water tank 9 is installed on the top of the top plate 7. A water outlet pump 8 is installed on one side of the water tank 9, and a circulation pump is installed on the other side of the water tank 9. 10. The output end of the water outlet pump 8 and the input end of the circulation pump 10 are fixedly connected with a telescopic tube 11. The bottom end of the top plate 7 is fixedly connected with two sets of cylinders 5. The output end of the cylinder 5 is fixedly connected with the upper mold 4 and the upper mold 4. A cooling chamber 18 is provided inside, and a cooling pipe 19 is installed inside the cooling chamber 18. A support screen frame 14 is installed outside the lower mold 3. Four sets of heat dissipation slots 12 are provided on both sides of the cooling bracket 1. A cooling fan 13 is installed inside the slot 12;

The inlet of the cooling tube 19 is arranged on one side of the top of the upper mold 4, and the outlet of the cooling tube 19 is arranged on the other side of the top of the upper mold 4. There are two groups of telescopic tubes 11, and the bottom ends of the telescopic tubes 11 are connected to the cooling tubes 19 respectively. inlet and outlet connections;

Specifically, as shown in Figures 1 and 3, during cooling, the water outlet pump 8 is required to pump out the coolant in the water tank 9. The coolant enters the cooling tube 19 along the telescopic tube 11. During the cooling process, the mold cavity can be Rapid cooling is performed inside, and the used coolant can flow back to the inside of the water tank 9 through the circulation pump 10. The refrigeration equipment installed inside the water tank 9 can improve the cooling efficiency of the coolant.

Embodiment 2: The cooling water pipes 15 penetrate through the interior of the cooling base 2. The cooling water pipes 15 are distributed at equal intervals inside the cooling base 2. The exterior of the lower mold 3 is fitted with a thermal conductive plate 20. The thermal conductive plate 20 and the supporting screen frame 14 There is a thermal conductive rod 21 fixedly connected therebetween;

Specifically, as shown in Figures 1 and 4, the heat conductive plate 20 can quickly dissipate the heat inside the lower mold 3. The heat conductive plate 20 is made of a metal plate with strong thermal conductivity. The heat exported by the heat conductive plate 20 can be dispersed through the heat conductive rod 21. Export improves the efficiency of heat dissipation.

Embodiment 3: A protective screen frame 16 is fixedly connected to the outside of the cooling fan 13, and mounting bolts 17 are installed between the protective screen frame 16 and the cooling bracket 1;

Specifically, as shown in Figures 1 and 2, after the cooling fan 13 is started, the air circulation efficiency near the upper mold 4 and the lower mold 3 can be protected by the protective mesh frame 16 outside the cooling fan 13 to prevent workers from The limbs come into contact with the blades of the cooling fan 13, and the cooling fan 13 can be removed and replaced from inside the cooling slot 12.

Working principle: When using this utility model, the injection molded product needs to be placed inside the lower mold 3 first, and then the cylinder 5 pushes the upper mold 4 to move downward. During the closing process of the upper mold 4 and the lower mold 3, the cooling equipment is started, and the cooling fan 13 is started. , the efficiency of air circulation near the upper mold 4 and the lower mold 3, the protective mesh frame 16 outside the cooling fan 13 can protect it to prevent workers from physically contacting the blades of the cooling fan 13, and the heat of the lower mold 3 can be conducted through heat conduction The heat conduction plate 20 conducts heat quickly, and the heat conduction plate 20 conducts heat to the inside of the heat conduction rod 21. The heat conduction plate 20 and the heat conduction rod 21 can speed up the heat conduction efficiency of the lower mold 3. The cooling chamber 18 can be used for cooling inside the mold cavity. During cooling, it needs to be The water pump 8 draws out the coolant in the water tank 9, and the coolant enters the inside of the cooling pipe 19 along the telescopic tube 11. The used coolant can flow back to the inside of the water tank 9 through the circulation pump 10. This structure realizes rapid cooling of the interior. function.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, and it is therefore intended that all claims falling within the rights All changes within the meaning and scope of the required equivalent elements are included in the present invention. Any reference signs in the claims shall not be construed as limiting the claim in question.

Claims (6)

1. A cooling device for injection molds, comprising a cooling bracket (1), characterized in that: a cooling base (2) is fixedly connected to the top of the cooling bracket (1), and a cooling base (2) is fixedly connected to the top of the cooling base (2). There is a support frame (6), a lower mold (3) is provided inside the support frame (6), a top plate (7) is fixedly connected to the top of the support frame (6), and the top of the top plate (7) is installed There is a water tank (9). A water outlet pump (8) is installed on one side of the water tank (9). A circulation pump (10) is installed on the other side of the water tank (9). The output of the water outlet pump (8) A telescopic tube (11) is fixedly connected to the input end of the circulation pump (10), two sets of cylinders (5) are fixedly connected to the bottom end of the top plate (7), and the output end of the cylinder (5) is fixedly connected to Upper mold (4). A cooling chamber (18) is provided inside the upper mold (4). A cooling pipe (19) is installed inside the cooling chamber (18). The lower mold (3) A support screen frame (14) is installed on the outside, four sets of heat dissipation slots (12) are provided on both sides of the cooling bracket (1), and a cooling fan (13) is installed inside the heat dissipation slots (12). 2. A cooling device for injection molds according to claim 1, characterized in that: the inlet of the cooling pipe (19) is arranged on one side of the top of the upper mold (4), and the inlet of the cooling pipe (19) The outlet is arranged on the other side of the top of the upper mold (4). 3. A cooling device for injection molds according to claim 1, characterized in that: the telescopic tube (11) is provided with two groups, and the bottom end of the telescopic tube (11) is connected to the cooling tube (19) respectively. of inlet and outlet connections. 4. A cooling device for injection molds according to claim 1, characterized in that cooling water pipes (15) penetrate through the interior of the cooling base (2), and the cooling water pipes (15) are distributed at equal intervals. Inside the cooling base (2). 5. A cooling device for injection molds according to claim 1, characterized in that: a thermal conductive plate (20) is attached to the outside of the lower mold (3), and the thermal conductive plate (20) and the supporting screen frame A thermal conductive rod (21) is fixedly connected between (14). 6. A cooling device for injection molds according to claim 1, characterized in that: a protective screen frame (16) is fixedly connected to the outside of the cooling fan (13), and the protective screen frame (16) is connected to the cooling device. Mounting bolts (17) are installed between the brackets (1).