Cooling fan blade injection molding mold convenient for cooling molding
By introducing a circulating coolant system and a sealing structure into the injection molding mold, the problem of slow cooling speed is solved, rapid cooling and stable production are achieved, and uneven shrinkage and deformation of the material are avoided.
Patent Information
- Application Number
- CN202422660975.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-11-01
AI Technical Summary
Existing injection molding molds lack cooling structures, which leads to slow material cooling, prolonged production cycles and may cause uneven shrinkage and deformation.
A cooling structure including a circulation pipe, a liquid storage tank and a refrigerator is designed. The circulation of the coolant is achieved through the cooperation of the circulation pipe and the connecting pipe, and the sealing structure is combined to improve the sealing and stability of the mold.
It improves the material cooling speed, shortens the production cycle, avoids uneven shrinkage and deformation, and enhances the sealing effect of the mold.
Smart Images

Figure CN223354862U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of plastic molding, in particular to an injection molding die for heat dissipation fan blades which is convenient for cooling and molding. Background Art
[0002] With the miniaturization and high performance of electronic devices, the requirements for heat dissipation systems are becoming higher and higher. As an important part of the heat dissipation system, the design and manufacturing quality of the heat dissipation fan blades directly affect the efficiency of the entire heat dissipation system. Injection molding molds are used in the manufacture of heat dissipation fan blades, and the molding process is carried out by extrusion. However, most injection molding molds do not have cooling structures, resulting in a slow cooling speed of the material in the mold, which not only prolongs the production cycle, but may also cause uneven shrinkage of the material during the cooling process, resulting in warping and deformation. Utility Model Content
[0003] The purpose of the utility model is to provide a heat dissipation fan blade injection molding mold that is easy to cool and mold, so as to solve the problems raised in the above background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a heat dissipation fan blade injection molding mold that is easy to cool and mold, comprising an upper mold body, a lower mold body connected to the bottom of the upper mold body, a cooling structure provided in the upper mold body, a sealing structure clamped in the upper mold body, the sealing structure is clamped in the lower mold body, a mold groove is provided in the lower mold body, the cooling structure comprises a circulation pipe, a liquid storage tank and a refrigerator, one end of the circulation pipe is connected to an auxiliary pipe, a connecting pipe is fixedly connected to the top of the refrigerator, a cooling structure is provided in the lower mold body, and the upper mold body and the lower mold body are overlapped.
[0005] As a further preferred embodiment of the present technical solution, a limiting hole is provided in the lower mold body, and a limiting column is fixedly connected to the lower side of the upper mold body.
[0006] As a further preferred embodiment of the present technical solution, the liquid storage tank is fixedly connected to the front side of the upper mold body, the refrigerator is fixedly connected to one side of the upper mold body, and the circulation pipe is clamped in the upper mold body.
[0007] As a further preferred embodiment of the present technical solution, the other end of the circulation pipe is connected to the liquid storage tank, one end of the auxiliary pipe is connected to a refrigerator, and the refrigerator is connected to the liquid storage tank via a connecting pipe.
[0008] As a further preferred embodiment of the present technical solution, the sealing structure includes a sealing sleeve and a concave plate, the sealing sleeve is clamped on the lower mold body, the sealing sleeve is clamped under the upper mold body, the concave plate is fixedly connected to the outside of the sealing sleeve, and a guide rod is rotatably connected inside the concave plate.
[0009] As a further preferred embodiment of the present technical solution, a mounting plate is externally connected to the guide rod, a bolt is fixedly connected above the concave plate, and a groove is provided in the mounting plate.
[0010] As a further preferred embodiment of the present technical solution, the external thread of the bolt is connected to a rotating plate, the mounting plate and the rotating plate are overlapped, and the mounting plate is overlapped above the concave plate.
[0011] The utility model provides a heat dissipation fan blade injection molding mold that is easy to cool and mold, and has the following beneficial effects:
[0012] (1) The utility model sets an upper mold body, a lower mold body and a cooling structure. The water pump built into the liquid storage tank will transport the coolant to the circulation pipe. When the coolant flows in the circulation pipe, it can cool the material inside. The coolant will be transported to the refrigerator through the auxiliary pipe. The refrigerator will cool the flowing coolant. The refrigerator will then transport the cooled coolant to the liquid storage tank through the connecting pipe. The injection molding mold can achieve the function of recycling the coolant through the cooperation between the circulation pipe, the connecting pipe and the auxiliary pipe, which is convenient for cooling the interior of the upper mold body and the lower mold body, and improves the cooling speed of the material in the mold, thereby reducing the production cycle and avoiding the phenomenon of uneven shrinkage of the material during the cooling process.
[0013] (2) The utility model sets a sealing structure, and the upper mold body is inserted through the limiting column and the limiting hole below, and the upper mold body is clamped with the sealing sleeve, driving the mounting plate to rotate with the guide rod as the center. When the mounting plate is flipped, it will overlap the top of the concave plate, and the groove will be inserted with the bolt and the rotating plate, driving the rotating plate to contact the mounting plate after rotating on the surface of the bolt, thereby playing a certain sealing role on the connection between the upper mold body and the lower mold body, preventing dust in the air from entering the interior of the upper mold body and the lower mold body. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0015] Figure 2 This is a schematic diagram of the structure of the explosion of the lower mold body of the utility model;
[0016] Figure 3 This is a schematic diagram of a three-dimensional cross-sectional structure of the cooling structure of the present invention;
[0017] Figure 4 For the utility model Figure 1 A in the middle is an enlarged structural diagram;
[0018] In the figure: 1. Upper mold body; 2. Lower mold body; 3. Limiting column; 4. Sealing structure; 401. Sealing sleeve; 402. Concave plate; 403. Guide rod; 404. Mounting plate; 405. Bolt; 406. Turn plate; 407. Groove; 5. Mold slot; 6. Cooling structure; 601. Circulating pipe; 602. Liquid storage tank; 603. Refrigerator; 604. Connecting pipe; 605. Auxiliary pipe; 7. Limiting hole. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.
[0020] The utility model provides a technical solution: Figure 1 and Figure 4 As shown, in this embodiment, a heat dissipation fan blade injection molding mold that is easy to cool and mold includes an upper mold body 1, a lower mold body 2 is connected to the bottom of the upper mold body 1, a cooling structure 6 is provided in the upper mold body 1, a sealing structure 4 is clamped in the upper mold body 1, the sealing structure 4 is clamped with the lower mold body 2, a mold groove 5 is provided in the lower mold body 2, the cooling structure 6 includes a circulation pipe 601, a liquid storage tank 602 and a refrigerator 603, one end of the circulation pipe 601 is connected to an auxiliary pipe 605, a connecting pipe 604 is fixedly connected to the top of the refrigerator 603, a cooling structure 6 is provided in the lower mold body 2, and the upper mold body 1 and the lower mold body 2 are overlapped.
[0021] like Figure 1 and Figure 3 As shown, a limiting hole 7 is opened in the lower mold body 2, a limiting column 3 is fixedly connected to the bottom of the upper mold body 1, a liquid storage tank 602 is fixedly connected to the front of the upper mold body 1, a refrigerator 603 is fixedly connected to one side of the upper mold body 1, a circulation pipe 601 is clamped in the upper mold body 1, the other end of the circulation pipe 601 is connected to the liquid storage tank 602, one end of the auxiliary pipe 605 is connected to the refrigerator 603, and the refrigerator 603 is connected to the liquid storage tank 602 through a connecting pipe 604.
[0022] By providing the circulation pipe 601, the connecting pipe 604 and the auxiliary pipe 605, the coolant can be recycled, which facilitates the cooling of the interior of the upper mold body 1 and the lower mold body 2, thereby increasing the cooling speed of the material in the mold, thereby reducing the production cycle and avoiding the phenomenon of uneven shrinkage of the material during the cooling process.
[0023] like Figure 4As shown, the sealing structure 4 includes a sealing sleeve 401 and a concave plate 402. The sealing sleeve 401 is clamped on the lower mold body 2, and the sealing sleeve 401 is clamped under the upper mold body 1. The concave plate 402 is fixedly connected to the outside of the sealing sleeve 401. A guide rod 403 is rotatably connected inside the concave plate 402, and a mounting plate 404 is connected to the outside of the guide rod 403. A bolt 405 is fixedly connected to the top of the concave plate 402, and a groove 407 is provided in the mounting plate 404. The bolt 405 is externally threadedly connected to a rotating plate 406. The mounting plate 404 overlaps the rotating plate 406, and the mounting plate 404 overlaps the top of the concave plate 402.
[0024] By setting the mounting plate 404, bolts 405 and rotating plate 406, when the upper mold body 1 and the lower mold body 2 are clamped with the sealing sleeve 401, the mounting plate 404 is driven to rotate with the guide rod 403 as the center, and the groove 407 is interlaced with the bolt 405 and the rotating plate 406, driving the rotating plate 406 to contact the mounting plate 404 after rotating on the surface of the bolt 405, thereby improving the stability of the upper mold body 1 and the lower mold body 2 after being fixed, avoiding the phenomenon of internal gaps between the upper mold body 1 and the lower mold body 2 when fixed, and ensuring the sealing effect of the injection molding mold.
[0025] The utility model provides a heat dissipation fan blade injection molding mold that is easy to cool and mold. The specific working principle is as follows:
[0026] When the injection molding mold is in use, the material can be placed in the mold groove 5, and then the upper mold body 1 is inserted into the limiting hole 7 through the limiting column 3 below, and the upper mold body 1 is clamped with the sealing sleeve 401, driving the mounting plate 404 to rotate around the guide rod 403. When the mounting plate 404 is turned over, it will overlap the top of the concave plate 402, and the groove 407 will be inserted with the bolt 405 and the rotating plate 406, driving the rotating plate 406 to rotate on the surface of the bolt 405 and then contact the mounting plate 404;
[0027] When the material inside the injection molding mold needs to be cooled, the water pump built into the liquid storage tank 602 will transport the coolant to the circulation pipe 601. When the coolant flows in the circulation pipe 601, it can cool the internal material. The coolant will be transported to the refrigerator 603 through the auxiliary pipe 605. The refrigerator 603 cools the flowing coolant, and the refrigerator 603 then transports the cooled coolant to the liquid storage tank 602 through the connecting pipe 604.
[0028] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A heat dissipation fan blade injection molding mold that is easy to cool and mold, comprising an upper mold body (1), characterized in that: The lower mold body (2) is connected to the lower mold body (1), a cooling structure (6) is provided in the upper mold body (1), a sealing structure (4) is clamped in the upper mold body (1), the sealing structure (4) is clamped with the lower mold body (2), a mold groove (5) is provided in the lower mold body (2), the cooling structure (6) includes a circulation pipe (601), a liquid storage box (602) and a refrigerator (603), one end of the circulation pipe (601) is connected to an auxiliary pipe (605), a connecting pipe (604) is fixedly connected to the upper part of the refrigerator (603), a cooling structure (6) is provided in the lower mold body (2), and the upper mold body (1) and the lower mold body (2) are overlapped.
2. The heat dissipation fan blade injection molding mold that is easy to cool and mold according to claim 1, characterized in that: A limiting hole (7) is provided in the lower mold body (2), and a limiting column (3) is fixedly connected to the lower side of the upper mold body (1).
3. The heat dissipation fan blade injection molding mold that is easy to cool and mold according to claim 1, characterized in that: The liquid storage box (602) is fixedly connected to the front of the upper mold body (1), the refrigerator (603) is fixedly connected to one side of the upper mold body (1), and the circulation pipe (601) is clamped in the upper mold body (1).
4. The heat dissipation fan blade injection molding mold that is easy to cool and mold according to claim 1, characterized in that: The other end of the circulation pipe (601) is connected to the liquid storage tank (602), one end of the auxiliary pipe (605) is connected to the refrigerator (603), and the refrigerator (603) is connected to the liquid storage tank (602) through a connecting pipe (604).
5. The heat dissipation fan blade injection molding mold that is easy to cool and mold according to claim 1, characterized in that: The sealing structure (4) comprises a sealing sleeve (401) and a concave plate (402), wherein the sealing sleeve (401) is clamped on the lower mold body (2), and the sealing sleeve (401) is clamped under the upper mold body (1), the concave plate (402) is fixedly connected to the outside of the sealing sleeve (401), and a guide rod (403) is rotatably connected inside the concave plate (402).
6. The heat dissipation fan blade injection molding mold that is easy to cool and mold according to claim 5, characterized in that: The guide rod (403) is externally connected to a mounting plate (404), a bolt (405) is fixedly connected above the concave plate (402), and a groove (407) is provided in the mounting plate (404).
7. The heat dissipation fan blade injection molding mold that is easy to cool and mold according to claim 6, characterized in that: The bolt (405) is externally threadedly connected to a rotating plate (406), the mounting plate (404) is overlapped with the rotating plate (406), and the mounting plate (404) is overlapped above the concave plate (402).