Cooling device of injection mold

Abstract

The utility model discloses a cooling device of an injection mold, which comprises a cooling box, a mold body and a bottom plate, a placing groove is arranged in the cooling box, the mold body is placed on the placing groove, a partition plate is arranged above the placing groove, through holes are arranged on the partition plate and the placing groove, a mounting plate is arranged on the rear side of the cooling box, and a top plate is arranged at the top of the mounting plate. A first cooling fan is arranged on the top plate, a mounting groove is formed in the outer side of the cooling box, a cooling pipe is arranged on the mounting groove, a cooling fin plate is arranged at the bottom of the cooling box, a second cooling fan is arranged on the bottom plate, a circulating water pipe is arranged on one side of the bottom of the cooling box, and supporting columns are arranged on the outer side of the bottom plate and connected with the bottom of the cooling box. According to the utility model, hot water for cooling flows into the condenser through the circulating water pipe, is cooled through the condenser, and then is pumped through the water suction pump, namely the water suction pump discharges the cooled water into the cooling pipe and the cooling box again through the water inlet pipe and the water inlet, so that the water can be recycled.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to a cooling device for injection molds. Background Art

[0002] A plastic processing method in which plastic is plasticized in the heated barrel of an injection molding machine and then injected into the cavity of a closed mold by a plunger or a reciprocating screw to form a product. This method can process products with complex shapes, precise dimensions or with inserts, and has high production efficiency. Injection molding is divided into rubber injection molding and plastic injection molding, both of which are obtained by injecting molten rubber or plastic into a mold under pressure. The injection mold is a tool that is crucial to the processing accuracy and quality of the molded product. General injection molds need to be cooled and molded quickly after pouring, and are generally cooled by natural cooling or water cooling.

[0003] However, the current cooling device has poor cooling effect. After the temperature of the cooling water rises, it cannot achieve a good cooling effect, and it is inconvenient to replace the internal cooling water, so it is difficult to speed up the cooling speed. Utility Model Content

[0004] The purpose of the utility model is to provide a cooling device for an injection mold to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A cooling device for an injection mold comprises a cooling box, a mold body, and a bottom plate, wherein a placement groove is provided inside the cooling box, the mold body is placed on the placement groove, a partition is provided above the placement groove, through holes are provided on the partition and the placement groove, a mounting plate is provided on the rear side of the cooling box, a top plate is provided on the top of the mounting plate, a first heat dissipation fan is provided on the top plate, a mounting groove is provided on the outside of the cooling box, a cooling pipe is provided on the mounting groove, a heat dissipation fin plate is provided at the bottom of the cooling box, a second heat dissipation fan is provided on the bottom plate, a circulating water pipe is provided on one side of the bottom of the cooling box, a support column is provided on the outside of the bottom plate, and the support column is connected to the bottom of the cooling box.

[0007] In a preferred embodiment of the utility model, a motor is arranged on the top of the top plate, a threaded rod is arranged on the bottom of the top plate, the motor is connected to the threaded rod, a threaded tube is arranged on the inner side of the partition, and the threaded rod and the threaded tube are threadedly connected.

[0008] In a preferred embodiment of the present utility model, a slide groove is arranged on the outer side of the partition, and a slide bar is arranged on the inner side of the cooling box, and the slide bar slides on the slide groove.

[0009] In a preferred implementation manner of the present utility model, the bottom of the cooling pipe is connected to a circulating water pipe, and an electric valve is arranged on the outside of the circulating water pipe.

[0010] In a preferred embodiment of the present utility model, a condenser is arranged at the bottom of the circulating water pipe, a water pump is arranged on the outside of the mounting plate, and a water pumping pipe of the water pump is connected to the condenser.

[0011] In a preferred embodiment of the present utility model, a water inlet pipe is arranged on one side above the cooling pipe, and the water inlet pipe is connected to a drainage pipe of a water pump.

[0012] In a preferred embodiment of the utility model, a water inlet is provided on the mounting plate, the end of the water pump drainage pipe is connected to the water inlet, and the water inlet is located above the cooling box.

[0013] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention.

[0014] Beneficial effects: cooling is performed by filling the cooling box with cold water, the cooling water inside is circulated through the through holes, the injection mold placed in the slot is cooled by air through the first heat dissipation fan, cold water is injected through the cooling pipe and circulated, thereby reducing the temperature of the side wall of the cooling box, the heat dissipation fin plate absorbs the temperature of the bottom of the cooling box, the heat dissipation fin plate is cooled by the second heat dissipation fan, so that the bottom temperature dissipates faster, the hot water used for cooling flows into the condenser through the circulating water pipe, the hot water is cooled by the condenser, and then extracted by a water pump, that is, the water pump discharges the cooled water back into the cooling pipe and the cooling box through the water inlet pipe and the water inlet, so as to be recycled.

[0015] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiment of the utility model with the accompanying drawings. The specific implementation method of the utility model is given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 It is a schematic diagram of the main structure of a cooling device for an injection mold;

[0018] Figure 2 This is a schematic diagram of the inner structure of a cooling box in a cooling device for an injection mold;

[0019] Figure 3 A schematic diagram of a slot structure in a cooling device of an injection mold;

[0020] Figure 4 It is a schematic diagram of the bottom structure of a cooling box in a cooling device for an injection mold;

[0021] Figure 5 The present invention is a schematic diagram of the inner structure of a mounting plate in a cooling device of an injection mold.

[0022] In the figure: 1. cooling box; 11. mold body; 12. slide bar; 13. mounting groove; 14. motor; 2. placement groove; 21. slide groove; 22. partition; 23. threaded pipe; 24. threaded rod; 25. through hole; 3. cooling pipe; 31. first cooling fan; 32. second cooling fan; 33. cooling fin; 34. circulating water pipe; 35. electric valve; 4. bottom plate; 41. support column; 42. condenser; 43. water pump; 44. water inlet pipe; 45. water inlet; 5. top plate; 51. mounting plate. DETAILED DESCRIPTION

[0023] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0024] Please refer to Figure 1-5 The utility model discloses a cooling device for an injection mold, comprising a cooling box 1, a mold body 11, and a bottom plate 4. The cooling box 1 is the main structure of the device, that is, the mold body 11 is cooled in the cooling box 1, the mold body 11 is the injection mold, the bottom plate 4 is the bottom structure of the device, and is used to support the overall structure. A support column 41 is arranged on the outside of the bottom plate 4, and the support column 41 is connected to the bottom of the cooling box 1, that is, the cooling box 1 is supported by the support column 41, and a placement groove 2 is arranged inside the cooling box 1, the mold body 11 is placed on the placement groove 2, a partition 22 is arranged above the placement groove 2, and a through hole 25 is arranged on the partition 22 and the placement groove 2, that is, the partition 22 is used to separate the placement groove 2, so that the device can place multiple injection molds, and the water used for cooling inside is circulated through the through hole 25, so that it can be circulated.

[0025] A mounting plate 51 is provided at the rear side of the cooling box 1, and a top plate 5 is provided at the top of the mounting plate 51. Both the mounting plate 51 and the top plate 5 are mounting structures for mounting other structures of the device. A motor 14 is provided at the top of the top plate 5, and a threaded rod 24 is provided at the bottom of the top plate 5. The motor 14 is connected to the threaded rod 24. A threaded tube 23 is provided on the inner side of the partition 22. The threaded rod 24 is threadedly connected to the threaded tube 23. A slide groove 21 is provided on the outer side of the partition 22. A slide bar 12 is provided on the inner side of the cooling box 1, that is, the threaded rod 24 is driven to rotate by the motor 14, and the slide bar 12 slides on the slide groove 21, thereby driving the placement groove 2 to be lifted and lowered, that is, the injection mold is taken. A first heat dissipation fan 31 is arranged on the top plate 5, and the first heat dissipation fan 31 is connected to the top of the placement groove 2, so that the injection mold in the placement groove 2 is cooled by air through the first heat dissipation fan 31, and a mounting groove 13 is arranged on the outer side of the cooling box 1, and a cooling pipe 3 is arranged on the mounting groove 13. The cooling pipe 3 is used for injecting cold water and circulating it, so as to reduce the temperature of the side wall of the cooling box 1, and a heat dissipation fin plate 33 is arranged at the bottom of the cooling box 1. The heat dissipation fin plate 33 absorbs the temperature of the bottom of the cooling box 1, and a second heat dissipation fan 32 is arranged on the bottom plate 4, that is, the heat dissipation fin plate 33 is cooled by the second heat dissipation fan 32, so that the temperature at the bottom thereof dissipates faster.

[0026] A circulating water pipe 34 is arranged at one side of the bottom of the cooling box 1, and the bottom of the cooling pipe 3 is connected to the circulating water pipe 34, so that the water in the cooling pipe 3 flows into the circulating water pipe 34, and an electric valve 35 is arranged on the outside of the circulating water pipe 34, and the electric valve 35 is used to switch the circulating water pipe 34. A condenser 42 is arranged at the bottom of the circulating water pipe 34, and a water pump 43 is arranged on the outside of the mounting plate 51. The water pump 43 is connected to the condenser 42 through the circulating water pipe 34, that is, hot water flows into the condenser 42 through the circulating water pipe 34, and the hot water flows into the condenser 42 through the cooling box 1. The condenser 42 cools the hot water and then extracts it through the water pump 43. A water inlet pipe 44 is provided on one side above the cooling pipe 3. The water inlet pipe 44 is connected to the drainage pipe of the water pump 43, that is, the water pump 43 discharges the cooled water back into the cooling pipe 3 through the water inlet pipe 44. A water inlet 45 is provided on the mounting plate 51. The end of the drainage pipe of the water pump 43 is connected to the water inlet 45. The water inlet 45 is located above the cooling box 1, that is, the water pump 43 discharges the cooled water back into the cooling box 1 through the water inlet 45.

[0027] The working principle of the utility model is as follows: the threaded rod 24 is driven to rotate by the motor 14, and the slide bar 12 slides on the slide slot 21, thereby driving the placement slot 2 to rise and fall, that is, the injection mold is placed on the placement slot 2, and then adjusted to the inside of the cooling box 1, and cold water is filled in the cooling box 1 for cooling, and the water used for cooling inside is circulated through the through hole 25, and the injection mold in the placement slot 2 is cooled by air through the first heat dissipation fan 31, and cold water is injected through the cooling pipe 3 and circulated, thereby reducing the temperature of the side wall of the cooling box 1 The heat dissipation fin 33 absorbs the temperature at the bottom of the cooling box 1, and the heat dissipation fin 33 is cooled by the second heat dissipation fan 32, so that the bottom temperature dissipates faster, and the circulating water pipe 34 is opened by the electric valve 35. The hot water used for cooling flows into the condenser 42 through the circulating water pipe 34, and the hot water is cooled by the condenser 42, and then extracted by the water pump 43, that is, the water pump 43 discharges the cooled water back into the cooling pipe 3 and the cooling box 1 through the water inlet pipe 44 and the water inlet 45, so as to be recycled.

[0028] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A cooling device for an injection mold, comprising a cooling box (1), a mold body (11), and a bottom plate (4), characterized in that: The cooling box (1) is provided with a placement groove (2) inside, the mold body (11) is placed on the placement groove (2), a partition (22) is provided above the placement groove (2), and through holes (25) are provided on the partition (22) and the placement groove (2), a mounting plate (51) is provided on the rear side of the cooling box (1), a top plate (5) is provided on the top of the mounting plate (51), and a first heat dissipation fan (31) is provided on the top plate (5), a mounting groove (13) is provided on the outside of the cooling box (1), a cooling pipe (3) is provided on the mounting groove (13), a heat dissipation fin plate (33) is provided at the bottom of the cooling box (1), a second heat dissipation fan (32) is provided on the bottom plate (4), a circulating water pipe (34) is provided on one side of the bottom of the cooling box (1), and a support column (41) is provided on the outside of the bottom plate (4), and the support column (41) is connected to the bottom of the cooling box (1).

2. The cooling device for an injection mold according to claim 1, characterized in that: A motor (14) is arranged on the top of the top plate (5), a threaded rod (24) is arranged on the bottom of the top plate (5), the motor (14) is connected to the threaded rod (24), a threaded tube (23) is arranged on the inner side of the partition plate (22), and the threaded rod (24) and the threaded tube (23) are threadedly connected.

3. The cooling device for an injection mold according to claim 1, characterized in that: A slide groove (21) is arranged on the outside of the partition (22), and a slide bar (12) is arranged on the inside of the cooling box (1), and the slide bar (12) slides on the slide groove (21).

4. The cooling device for an injection mold according to claim 1, characterized in that: The bottom of the cooling pipe (3) is connected to a circulating water pipe (34), and an electric valve (35) is arranged on the outside of the circulating water pipe (34).

5. The cooling device for an injection mold according to claim 1, characterized in that: A condenser (42) is arranged at the bottom of the circulating water pipe (34), a water pump (43) is arranged outside the mounting plate (51), and a water pumping pipeline of the water pump (43) is connected to the condenser (42).

6. The cooling device for an injection mold according to claim 5, characterized in that: A water inlet pipe (44) is provided on one side above the cooling pipe (3), and the water inlet pipe (44) is connected to a drainage pipe of a water pump (43).

7. The cooling device for an injection mold according to claim 5, characterized in that: The mounting plate (51) is provided with a water inlet (45), the end of the drainage pipe of the water pump (43) is connected to the water inlet (45), and the water inlet (45) is located above the cooling box (1).

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