Injection mold for automobile parts

Abstract

The utility model provides an injection mold for automobile parts, which relates to the technical field of injection molds and comprises a fixed injection mold and a movable injection mold. Four guide rods are installed outside the injection molding fixed mold, a cooling pipe is installed inside the injection molding fixed mold, and the two ends of the cooling pipe communicate with the circulating cooling pipeline; a guide sleeve is mounted in the injection molding movable mold, and the guide rod penetrates through the guide sleeve in a sliding manner; radiators are in contact with the left side and the right side of the injection molding fixed mold, and jacket shells are connected outside the radiators; and long bolts are in threaded connection with the left side and the right side of the injection molding fixed mold and are connected into the radiator and the outer sleeve shell in a penetrating manner. When the injection molding fixed mold is overheated, the injection molding fixed mold conducts heat into the radiator, the radiating fan blows outside air into the air pipe, the air pipe conveys the air into the two outer sleeve shells, air circulation between the radiating fins is accelerated, the air cooling effect on the injection molding fixed mold is achieved, the injection molding fixed mold is kept in a low-temperature state, and the service life of the injection molding fixed mold is prolonged. And the curing time of the automobile parts is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold for automobile parts. Background Art

[0002] Injection molding is a method of plastic molding processing, which is to place granular plastic in a barrel, heat it to melt and plasticize it, and then use a plunger or screw to apply pressure to inject the flowing material from the nozzle at the end of the barrel into the mold of the desired shape to fill the mold cavity. After cooling and shaping, it is demolded to obtain a plastic part with a certain shape. Injection molding machines are usually required for the production of automotive plastic parts.

[0003] The existing injection molds for automotive parts currently have poor heat dissipation effects during use. The heat contained inside the injection mold is difficult to release to the outside in a short period of time, which can easily lead to the injection mold itself being too hot. The automotive parts need to spend a long time cooling and shaping, resulting in low production efficiency. Utility Model Content

[0004] The present invention relates to an injection mold for automobile parts, which solves the problem that the existing injection mold for automobile parts has poor heat dissipation effect during use, the heat contained in the injection mold is difficult to release to the outside in a short time, which easily leads to the injection mold itself The temperature is too high, the automobile parts need to spend a long time to cool and shape, and the production efficiency is low.

[0005] In a first aspect of the present disclosure, an injection mold for automotive parts is provided, specifically comprising: an injection mold and an injection movable mold; four guide rods are installed on the outside of the injection mold, a cooling pipe is installed on the inside of the injection mold, and both ends of the cooling pipe are connected to a circulating cooling pipeline; a guide sleeve is installed on the inside of the injection movable mold, and the guide rods slide through the guide sleeve; the left and right sides of the injection mold are in contact with a radiator, and the outside of the radiator is connected to an outer shell; the left and right sides of the injection mold are threadedly connected with long bolts, and the long bolts are connected through the radiator and the outer shell; the rear side of the injection mold is in contact with an air duct, and the outside of the air duct is connected to a cooling fan; the rear side of the injection mold is threadedly connected with short bolts, and the short bolts are connected through the air duct and the cooling fan.

[0006] Furthermore, the contact portion between the radiator and the injection mold is coated with thermal conductive silicone, and the outside of the radiator is provided with heat sinks arranged in an array, and the heat sinks are curved and wave-shaped.

[0007] Furthermore, the outer shell is sleeved on the outside of the heat sink provided on the radiator, and notches are provided at both ends of the outer shell, and the two ends of the heat sink are respectively located at the two notches.

[0008] Furthermore, a spring is mounted on the outside of the long bolt, one end of the spring is in contact with the long bolt, and the other end of the spring is in contact with the outside of the outer shell. The heat dissipation area of ​​the radiator itself is increased through the heat sink, and the spring applies thrust to the outer shell and the radiator, so that the radiator is in close contact with the injection mold.

[0009] Furthermore, the heat dissipation fan is connected with the air inlet of the air duct, the air outlet of the air duct is connected with the notch provided on the heat sink, the injection mold transfers the heat to the radiator, the heat dissipation fan blows the outside air into the air duct, the air duct transports the air to the two outer shells, thereby accelerating the air circulation between the heat sinks.

[0010] Furthermore, a heat dissipation channel is provided inside the injection mold, the heat dissipation channel is complete, the cooling pipe is located in the heat dissipation channel provided in the injection mold, and the cooling pipe and the injection mold are integrated.

[0011] Furthermore, a heat dissipation strip is arranged in a surrounding shape inside the cooling pipe. While the air is cooling, the low-temperature coolant in the circulating cooling pipeline enters the cooling pipe to take away the heat inside the injection mold, thereby achieving a double cooling effect on the injection mold.

[0012] The utility model provides an injection mold for automobile parts, which has the following beneficial effects:

[0013] When the utility model is in use, the heat dissipation area of ​​the radiator itself is increased by the heat sink, and a thrust is applied to the outer shell and the radiator through the spring, so that the radiator is in close contact with the injection molding fixed mold, thereby ensuring the heat conduction effect between the radiator and the injection molding fixed mold; when the injection molding fixed mold is overheated, the injection molding fixed mold conducts the heat to the radiator, and the heat dissipation fan blows the outside air into the air duct, and the air duct conveys the air to the two outer shells, thereby accelerating the air circulation between the heat sinks, achieving the effect of air cooling and cooling the injection molding fixed mold, maintaining the injection molding fixed mold in a low temperature state, shortening the time required for the solidification of automobile parts, and improving the injection molding production efficiency of automobile parts.

[0014] In addition, the contact area on the inner side of the cooling pipe is increased by the heat dissipation strips. While the air is cooling, the low-temperature coolant in the circulating cooling pipeline enters the cooling pipe and takes away the heat inside the injection mold, achieving a double cooling effect on the injection mold, ensuring the low temperature state of the injection mold, and further ensuring the injection molding production efficiency of automotive parts.

[0015] Other advantages, objectives and features of the present invention will be reflected in part through the following description, and in part will be understood by those skilled in the art through research and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.

[0017] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.

[0018] In the attached picture:

[0019] Figure 1 The overall axial side structure schematic diagram of the automobile parts injection mold of the present application is shown;

[0020] Figure 2 A schematic diagram of the injection mold bottom axis side structure of the automobile parts injection mold of the present application is shown;

[0021] Figure 3 A schematic diagram of the cross-sectional structure of a cooling tube of an automobile component injection mold of the present application is shown;

[0022] Figure 4 A schematic diagram of the disassembled structure of the radiator, outer shell, long bolts and spring of the automotive parts injection mold of the present application is shown;

[0023] Figure 5 A schematic diagram of the disassembled structure of the air duct, cooling fan and short bolts of the automobile component injection mold of the present application is shown.

[0024] Reference numerals list

[0025] 1. Injection mold; 101. Guide rod; 102. Heat dissipation channel; 2. Injection mold; 201. Guide sleeve; 3. Cooling pipe; 301. Heat dissipation strip; 4. Radiator; 401. Heat sink; 5. Outer shell; 501. Notch; 6. Long bolt; 7. Spring; 8. Air duct; 9. Cooling fan; 10. Short bolt. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of 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.

[0027] Example 1: Please refer to Figures 1 to 5 :

[0028] The utility model proposes an injection mold for automobile parts, comprising: an injection fixed mold 1 and an injection movable mold 2; four guide rods 101 are installed on the outside of the injection fixed mold 1, a cooling pipe 3 is installed inside the injection fixed mold 1, and both ends of the cooling pipe 3 are connected with a circulating cooling pipeline; a guide sleeve 201 is installed inside the injection movable mold 2, and the guide rods 101 slide through the guide sleeve 201; the left and right sides of the injection fixed mold 1 are in contact with radiators 4, and the outside of the radiator 4 is connected with an outer shell 5; the left and right sides of the injection fixed mold 1 are threadedly connected with long bolts 6, and the long bolts 6 are connected through the radiator 4 and the outer shell 5; the rear side of the injection fixed mold 1 is in contact with an air duct 8, and the outside of the air duct 8 is connected with a cooling fan 9; the rear side of the injection fixed mold 1 is threadedly connected with a short bolt 10, and the short bolt 10 is connected through the air duct 8 and the cooling fan 9; the contact part between the radiator 4 and the injection fixed mold 1 is coated with thermal conductive silica gel, and the outside of the radiator 4 is arranged with heat sinks 401, and the heat sinks 401 are curved and wave-breaking.

[0029] In the disclosed embodiment, the outer shell 5 is mounted on the outside of the heat sink 401 provided on the radiator 4, and notches 501 are provided at both ends of the outer shell 5. The two ends of the heat sink 401 are respectively located at the two notches 501. A spring 7 is mounted on the outside of the long bolt 6, and one end of the spring 7 is in contact with the long bolt 6, and the other end of the spring 7 is in contact with the outer side of the outer shell 5. By adopting the above technical scheme, the heat dissipation area of ​​the radiator 4 itself is increased by the heat sink 401, and a thrust is applied to the outer shell 5 and the radiator 4 by the spring 7, so that the radiator 4 is in close contact with the injection mold 1, thereby ensuring the heat conduction effect between the radiator 4 and the injection mold 1.

[0030] In the disclosed embodiment, the heat dissipation fan 9 is connected with the air inlet of the air duct 8, and the air outlet of the air duct 8 is connected with the notch 501 provided on the heat sink 401; by adopting the above technical scheme, when the injection molding fixed mold 1 is overheated, the injection molding fixed mold 1 transfers the heat to the radiator 4, and the heat dissipation fan 9 blows the outside air into the air duct 8, and the air duct 8 transports the air to the two outer shells 5, so as to accelerate the air circulation between the heat sinks 401, thereby playing the effect of air cooling the injection molding fixed mold 1, so that the injection molding fixed mold 1 is maintained at a low temperature state, the time required for the solidification of automobile parts is shortened, and the injection molding production efficiency of automobile parts is improved.

[0031] In the disclosed embodiment, a heat dissipation channel 102 is provided inside the injection mold 1, and the heat dissipation channel 102 is in a complete shape. The cooling tube 3 is located in the heat dissipation channel 102 provided on the injection mold 1, and the cooling tube 3 and the injection mold 1 are integrated. The cooling strip 301 is provided inside the cooling tube 3 in a surrounding shape. By adopting the above technical scheme, the contact area of ​​the inner side of the cooling tube 3 is increased by the heat dissipation strip 301. While cooling by air, the low-temperature coolant in the circulating cooling pipeline enters the cooling tube 3 to take away the heat inside the injection mold 1, thereby achieving a double cooling effect on the injection mold 1, ensuring the low-temperature state of the injection mold 1, and further ensuring the injection molding production efficiency of automotive parts.

[0032] The working principle of this embodiment is as follows: the heat dissipation area of ​​the radiator 4 is increased by the heat sink 401, and a thrust is applied to the outer shell 5 and the radiator 4 by the spring 7, so that the radiator 4 is in close contact with the injection mold 1; when the injection mold 1 is overheated, the injection mold 1 conducts the heat to the radiator 4, and the heat dissipation fan 9 blows the outside air into the air duct 8, and the air duct 8 transports the air to the two outer shells 5, accelerating the air circulation between the heat sink 401, playing a role in air cooling and cooling the injection mold 1, so that the injection mold 1 is maintained at a low temperature state, and the time required for the solidification of automobile parts is shortened; the contact area on the inner side of the cooling tube 3 is increased by the heat dissipation strip 301, and while cooling by air, the low-temperature coolant in the circulating cooling pipeline enters the cooling tube 3, and takes away the internal heat of the injection mold 1, playing a double cooling effect on the injection mold 1, and ensuring the low temperature state of the injection mold 1.

[0033] In this article, there are a few points to note:

[0034] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0035] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0036] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.

Claims

1. An injection mold for automobile parts, characterized in that: include: An injection mold (1) and an injection mold (2); the injection mold (1) is provided with four guide rods (101) on the outside, the injection mold (1) is provided with a cooling tube (3) on the inside, and both ends of the cooling tube (3) are connected to a circulating cooling pipeline; the injection mold (2) is provided with a guide sleeve (201) on the inside, and the guide rod (101) slides through the guide sleeve (201); the left and right sides of the injection mold (1) are in contact with a radiator (4), and the radiator ( 4) is externally connected to an outer shell (5); long bolts (6) are threadedly connected to the left and right sides of the injection mold (1), and the long bolts (6) are connected through the heat sink (4) and the outer shell (5); the rear side of the injection mold (1) is in contact with an air duct (8), and the air duct (8) is externally connected to a cooling fan (9); the rear side of the injection mold (1) is threadedly connected to a short bolt (10), and the short bolt (10) is connected through the air duct (8) and the cooling fan (9).

2. The automotive parts injection mold according to claim 1, characterized in that: The contact portion between the heat sink (4) and the injection mold (1) is coated with thermally conductive silica gel, and the exterior of the heat sink (4) is provided with heat sink fins (401) in an array, and the heat sink fins (401) are curved and wave-breaking in shape.

3. The automotive parts injection mold according to claim 1, characterized in that: The outer shell (5) is sleeved on the outside of the heat sink (401) provided on the radiator (4), and notches (501) are provided at both ends of the outer shell (5), and the two ends of the heat sink (401) are respectively located at the two notches (501).

4. The automotive parts injection mold according to claim 1, characterized in that: A spring (7) is sleeved on the outside of the long bolt (6), one end of the spring (7) is in contact with the long bolt (6), and the other end of the spring (7) is in contact with the outside of the outer shell (5).

5. The automotive parts injection mold according to claim 3, characterized in that: The heat dissipation fan (9) is connected to the air inlet of the air duct (8), and the air outlet of the air duct (8) is connected to the notch (501) provided on the heat dissipation fin (401).

6. The automotive parts injection mold according to claim 1, characterized in that: The injection mold (1) is provided with a heat dissipation channel (102) inside, the heat dissipation channel (102) is complete, the cooling pipe (3) is located in the heat dissipation channel (102) provided in the injection mold (1), and the cooling pipe (3) and the injection mold (1) are integrated.

7. The automotive parts injection mold according to claim 1, characterized in that: The cooling tube (3) is provided with heat dissipation strips (301) in a surrounding shape inside.

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