Injection mold convenient for heat dissipation

Abstract

The injection mold comprises a lower mold block, mounting grooves are formed in the middles of the left wall and the right wall of the lower mold block, mounting frames are fixedly connected to the inner side walls of the mounting grooves, heat conduction pipes are arranged on the inner sides of the mounting frames, water conveying pipes are arranged on the upper side and the lower side of the front end of each mounting frame, and booster pumps are arranged in the middles of the water conveying pipes on the upper side. Water storage tanks penetrate through and are fixedly connected between the water conveying pipes on the left side and the right side, the water storage tanks are fixedly connected to the upper side and the lower side of the front wall of the lower module, and a connecting pipe is arranged between the two water storage tanks. According to the injection mold convenient to dissipate heat, when the injection mold needs to dissipate heat, a booster pump is started, the booster pump pressurizes an upper side water storage tank in the working process, cold water in the booster pump enters a heat conduction pipe through a water conveying pipe for heat exchange, and water with heat is input into a lower side water storage tank after heat of the side wall of a forming groove is absorbed; therefore, the injection mold is cooled, and the machining efficiency of the injection mold is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold convenient for heat dissipation. Background Technique

[0002] Injection molding, also known as injection molding, is a molding method that combines injection and molding. The advantages of the injection molding method are fast production speed, high efficiency, automation of operation, a variety of colors and patterns, the shape can be from simple to complex, the size can be from large to small, and the product size is accurate, the product is easy to update, and it can form parts with complex shapes. Injection molding is suitable for forming and processing fields such as mass production and products with complex shapes.

[0003] In the prior art, in order to speed up the molding time of the injection plastic during the use of the injection mold, cooling components are usually added around the injection mold. At present, the cooling mechanism usually uses the method of fan heat dissipation to speed up the cooling of the injection plastic. This heat dissipation method can only dissipate the heat dissipated from the outside of the mold, with low efficiency and is not conducive to the rapid production operation of the injection mold. Content of the Utility Model

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0005] An injection mold convenient for heat dissipation of the utility model includes a bottom plate, and an auxiliary heat dissipation mechanism is arranged on the upper side of the bottom plate;

[0006] The auxiliary heat dissipation mechanism includes a lower module. Installation grooves are arranged in the middle of the left and right walls of the lower module. The inner side walls of the installation grooves are fixedly connected with installation frames. Heat conduction pipes are arranged inside the installation frames. Water pipes are arranged on the upper and lower sides of the front end of the installation frames. Booster pumps are arranged in the middle of the upper water pipes. A water storage tank is penetrated and fixedly connected between the left and right water pipes. The water storage tanks are respectively fixedly connected to the upper and lower sides of the front wall of the lower module. A connecting pipe is arranged in the middle between the two groups of water storage tanks. A molding groove is arranged in the middle of the top wall of the lower module. Positioning grooves are arranged at the four corners of the lower module.

[0007] As a preferred technical solution of the utility model, positioning rods are fixedly connected to the four corners of the top wall of the bottom plate, and the positioning rods are slidably connected to the inside of the positioning grooves.

[0008] As a preferred technical solution of the utility model, lower limit rods are fixedly connected to the front and rear ends of the top of the left and right walls of the lower module, and the lower limit rods are slidably connected to the lower side inside the limit frame.

[0009] As a preferred technical solution of the utility model, upper limit rods are slidably connected to the upper side inside the limit frame, and the upper limit rods are respectively fixedly connected to the front and rear sides of the left and right walls of the lifting plate.

[0010] As a preferred technical solution of the present utility model, the lifting plate is fixedly connected to the output end of the cylinder, the middle of the bottom wall of the lifting plate is fixedly connected with the upper mold, and the cylinder is fixedly connected to the middle of the top wall of the top plate.

[0011] As a preferred technical solution of the present utility model, an injection port is provided in the middle of the bottom wall of the bottom plate, and the forming groove is located directly below the upper mold.

[0012] As a preferred technical solution of the present utility model, the water pipes are all in an L shape, and the forming groove and the upper mold are in clearance fit.

[0013] The beneficial effects of the present utility model are:

[0014] For this injection mold that is convenient for heat dissipation, when it is necessary to dissipate heat from the injection mold, the booster pump is started. During the operation of the booster pump, the upper water storage tank is pressurized, so that the cold water inside it enters the heat conduction pipe through the water pipe for heat exchange. After absorbing the heat on the side wall of the forming groove, the water with heat is input into the lower water storage tank, thereby dissipating heat from the injection mold and improving the processing efficiency of the injection mold;

[0015] For this injection mold that is convenient for heat dissipation, after the hot water in the bottom water storage tank is cooled, the cold water is discharged into the upper water storage tank from the connecting pipe for recycling, reducing the use cost of the cooling component of the injection mold. Description of the Drawings

[0016] The drawings are used to provide a further understanding of the present utility model, and constitute a part of the specification. Together with the embodiments of the present utility model, they are used to explain the present utility model and do not constitute a limitation to the present utility model. In the drawings:

[0017] Figure 1 is a top view schematic diagram of the overall structure of an injection mold that is convenient for heat dissipation of the present utility model;

[0018] Figure 2 is a bottom view schematic diagram of the overall structure of an injection mold that is convenient for heat dissipation of the present utility model;

[0019] Figure 3 is a side view schematic diagram of the overall structure of an injection mold that is convenient for heat dissipation of the present utility model;

[0020] Figure 4 is a schematic diagram of the heat dissipation structure of an injection mold that is convenient for heat dissipation of the present utility model.

[0021] In the figure: 1. Bottom plate; 2. Auxiliary heat dissipation mechanism; 3. Limit rod; 4. Lower module; 5. Positioning groove; 6. Molding groove; 7. Lower limit rod; 8. Limit frame; 9. Lifting plate; 10. Top plate; 11. Cylinder; 12. Upper mold; 13. Upper limit rod; 14. Installation groove; 15. Injection port; 16. Installation frame; 17. Heat conduction pipe; 18. Water delivery pipe; 19. Booster pump; 20. Water storage tank; 21. Connecting pipe. Specific embodiments

[0022] The following is a description of the preferred embodiments of the present invention with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only for the purpose of illustrating and explaining the present invention, and are not intended to limit the present invention.

[0023] Embodiment: As Figures 1-4 shown, an injection mold for facilitating heat dissipation of the present invention includes a bottom plate 1, and an auxiliary heat dissipation mechanism 2 is provided on the upper side of the bottom plate 1;

[0024] The auxiliary heat dissipation mechanism 2 includes a lower module 4. Installation grooves 14 are provided in the middle of the left and right walls of the lower module 4. Installation frames 16 are fixedly connected to the inner side walls of the installation grooves 14. The installation frames 16 are used to connect and fix the installation grooves 14 and the heat conduction pipes 17. Heat conduction pipes 17 are provided inside the installation frames 16. Water delivery pipes 18 are provided on the upper and lower sides of the front end of the installation frames 16. Booster pumps 19 are provided in the middle of the upper water delivery pipes 18. The booster pumps 19 work to provide power for the water cycle. Connecting pipes 21 penetrate and are fixedly connected between the left and right water delivery pipes 18. The water storage tanks 20 are respectively fixedly connected to the upper and lower sides of the front wall of the lower module 4. A connecting pipe 21 is provided in the middle between the two groups of water storage tanks 20. A molding groove 6 is provided in the middle of the top wall of the lower module 4. Positioning grooves 5 are provided at the four corners of the lower module 4. The cooperation between the positioning grooves 5 and the positioning rods 3 can limit the lower module 4.

[0025] Among them, positioning rods 3 are fixedly connected to the four corners of the top wall of the bottom plate 1, and the positioning rods 3 are all slidably connected to the inside of the positioning grooves 5.

[0026] Among them, lower limit rods 7 are fixedly connected to the front and rear ends of the top of the left and right walls of the lower module 4. The lower limit rods 7 are all slidably connected to the lower side inside the limit frame 8. The lower limit rods 7 and the upper limit rods 13 both slide up and down inside the limit frame 8.

[0027] Among them, upper limit rods 13 are slidably connected to the upper side inside the limit frame 8, and the upper limit rods 13 are respectively fixedly connected to the front and rear sides of the left and right walls of the lifting plate 9.

[0028] Among them, the lifting plate 9 is fixedly connected to the output end of the cylinder 11. The upper mold 12 is fixedly connected to the middle of the bottom wall of the lifting plate 9. The cylinder 11 is fixedly connected to the middle of the top wall of the top plate 10. During the working process of the cylinder 11, the output end expands and contracts to move the lifting plate 9 up and down.

[0029] Among them, an injection port 15 is arranged in the middle of the bottom wall of the bottom plate 1, and the molding groove 6 is located directly below the upper mold 12.

[0030] Among them, the water pipes 18 are all in an L shape. The molding groove 6 is in clearance fit with the upper mold 12, and the gap between the molding groove 6 and the upper mold 12 is the injection molding area for the injection plastic.

[0031] Working principle: When heat dissipation of the injection mold is required, start the booster pump 19. During the operation of the booster pump 19, the upper water storage tank 20 is pressurized, so that the cold water inside it enters the heat conduction pipe 17 through the water pipe 18 for heat exchange. After absorbing the heat of the side wall of the molding groove 6, the water with heat is input into the lower water storage tank 20 to dissipate heat from the injection mold. After the hot water in the bottom water storage tank 20 is cooled, the cold water is discharged into the upper water storage tank 20 from the connecting pipe 21 for recycling, so as to accelerate the cooling and molding time of the injection plastic.

[0032] Finally, it should be noted that: In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0033] In the description of the present invention, it should also be noted that unless otherwise clearly specified and limited, the terms "set", "installed", "connected", "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0034] The above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An injection mold facilitating heat dissipation, comprising a bottom plate (1), characterized in that: An auxiliary heat dissipation mechanism (2) is provided on the upper side of the bottom plate (1); The auxiliary heat dissipation mechanism (2) includes a lower module (4). Installation grooves (14) are provided in the middle of the left and right walls of the lower module (4). The inner side walls of the installation grooves (14) are fixedly connected with installation frames (16). Heat conduction tubes (17) are provided inside the installation frames (16). Water delivery pipes (18) are provided on the upper and lower sides of the front ends of the installation frames (16). Booster pumps (19) are provided in the middle of the upper water delivery pipes (18). A water storage tank (20) is penetrated and fixedly connected between the left and right water delivery pipes (18). The water storage tanks (20) are respectively fixedly connected to the upper and lower sides of the front wall of the lower module (4). A connecting pipe (21) is provided in the middle between the two groups of water storage tanks (20). A forming groove (6) is provided in the middle of the top wall of the lower module (4). Positioning grooves (5) are provided at the four corners of the lower module (4).

2. The injection mold facilitating heat dissipation according to claim 1, wherein, Positioning rods (3) are fixedly connected to the four corners of the top wall of the bottom plate (1), and the positioning rods (3) are slidably connected to the inner sides of the positioning grooves (5).

3. An injection mold facilitating heat dissipation according to claim 1, characterized in that, Lower limit rods (7) are fixedly connected to the front and rear ends of the tops of the left and right walls of the lower module (4), and the lower limit rods (7) are slidably connected to the lower sides inside the limit frames (8).

4. The injection mold for facilitating heat dissipation according to claim 3, wherein, Upper limit rods (13) are slidably connected to the upper sides inside the limit frames (8), and the upper limit rods (13) are respectively fixedly connected to the front and rear sides of the left and right walls of the lifting plate (9).

5. The injection mold for facilitating heat dissipation according to claim 4, characterized in that, The lifting plate (9) is fixedly connected to the output end of the air cylinder (11). An upper mold (12) is fixedly connected to the middle of the bottom wall of the lifting plate (9). The air cylinder (11) is fixedly connected to the middle of the top wall of the top plate (10).

6. The injection mold for facilitating heat dissipation according to claim 1, wherein, An injection port (15) is provided in the middle of the bottom wall of the bottom plate (1), and the forming groove (6) is located directly below the upper mold (12).

7. The injection mold for facilitating heat dissipation according to claim 1, wherein, The water delivery pipes (18) are all in an L shape, and the forming groove (6) and the upper mold (12) are in clearance fit.

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