Injection mold with heat dissipation function

By designing the heat dissipation structure and transmission structure in the injection mold, the problem of difficult heat dissipation in the mold in a high temperature environment is solved, the effect of rapid heat dissipation and gate adhesion is achieved, and the quality and production efficiency of products are improved.

CN222645239UActive Publication Date: 2025-03-21SUZHOU HUANA PRECISE TOOLING
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Patent Information

Application Number
CN202420660382.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-02
Publication Date
2025-03-21
Estimated Expiration
2034-04-02

AI Technical Summary

Technical Problem

Existing injection molds are difficult to quickly dissipate heat in high-temperature and high-pressure environments, resulting in premature curing of plastic materials, affecting the molding accuracy and surface quality of the product, and accelerating mold wear and aging.

Method used

An injection mold with heat dissipation function is designed, including an ejection structure, a transmission structure and a heat dissipation structure. The heat dissipation structure increases the heat dissipation area and improves heat transfer efficiency through the combination of the thermal conduction plate, transmission tube and air outlet. The transmission structure passes through the reservoir ring and the outlet tube, reducing the possibility of gate adhesion.

Benefits of technology

By improving heat dissipation efficiency, the mold can quickly dissipate heat and extend its service life; the configuration of the transmission structure reduces the risk of gate adhesion, improves production efficiency and reduces finished product defects.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides an injection mold with a heat dissipation function, and belongs to the technical field of machine manufacturing. Comprising an ejection structure used for ejecting a mold, a transmission structure used for lifting sprue stripping and a heat dissipation structure used for dissipating heat of the injection mold, the heat dissipation structure is installed in a shell, the transmission structure is installed at the middle bottom of the heat dissipation structure, and an ejection structure is arranged at the bottom of the transmission structure; the heat dissipation structure comprises an air outlet. According to the utility model, through the arrangement of the ejection structure and the transmission structure, after injection molding of a material is completed, when the material subjected to injection molding is ejected out through a rubber ring and an ejection column which are mounted in the ejection structure, a liquid outlet pipe of the transmission structure transmits lubricating liquid into an injection molding pipe; therefore, the phenomenon that the sprue is adhered to the sprue bush sometimes and is difficult to fall off is reduced, the production efficiency is further improved, and the defects of cracks and the like of a finished product are reduced.
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Description

Technical Field

[0001] The utility model relates to the technical field of mechanical manufacturing, in particular to an injection mold with a heat dissipation function. Background Art

[0002] With the rapid development of modern industry, injection molding technology has played an important role in the production of plastic products. As the key equipment for injection molding, the performance of injection molds directly affects the quality and production efficiency of plastic products. However, during the injection molding process, molds often face heat dissipation problems due to the high temperature and high pressure working environment.

[0003] Traditional injection molds usually rely on the natural thermal conductivity of the mold material and the natural convection heat dissipation of the external environment in their heat dissipation design. Excessively high mold temperature will cause the plastic material to solidify prematurely during the injection process, thereby affecting the molding accuracy and surface quality of the product; at the same time, long-term high-temperature operation will also accelerate the wear and aging of the mold and shorten its service life. Therefore, the present application provides an injection mold with heat dissipation function to meet the needs. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an injection mold with a heat dissipation function to solve the problem that the existing mold cannot dissipate heat quickly and cannot help the mold gate to remove the material.

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

[0006] An injection mold with a heat dissipation function comprises: an ejection structure for ejecting the mold, a transmission structure for improving gate removal, and a heat dissipation structure for dissipating heat from the injection mold, wherein the heat dissipation structure is installed inside a shell, a transmission structure is installed at the bottom of the heat dissipation structure, and an ejection structure is arranged at the bottom of the transmission structure; the heat dissipation structure comprises an air outlet, a heat conduction plate opposite to the left and right is arranged at the lower end of the air outlet, a guide block is installed at the bottom of the heat conduction plate, a transmission pipe is installed at the outer side of the heat conduction plate, a fixed column is arranged at the outer side of the transmission pipe, and a guide ring column opposite to the left and right is arranged at the outer side of the fixed column, a groove is provided at the top of the heat conduction plate, an adsorption block is installed at one end of the guide block, a base block opposite to the left and right is installed at the outer side of the adsorption block, and a support block is installed at the top of the adsorption block.

[0007] Preferably, the transmission structure includes a liquid storage ring, a liquid dividing valve is installed at the bottom of the liquid storage ring, a liquid outlet pipe is installed at the lower end of the liquid dividing valve, a fixed pipe is installed at the top of the liquid storage ring, a ring ring 2 is installed at the top of the fixed pipe, a circular ring is installed at the top of the ring ring 2, and a fixed plate 2 is arranged on the outer side of the liquid outlet pipe.

[0008] Preferably, the ejection structure includes a motor, a fixing block is installed on the top of the motor, a fixing plate 1 is installed on the top of the fixing block, a threaded plate is installed on the outer side of the fixing plate 1, a guide rail is installed on the top of the threaded plate, a clamping block 1 is installed on the outer side of the guide rail, a support column is installed on the top of the guide rail, a rubber ring is installed on the top of the support column, a ejection column is installed on the top of the rubber ring, a hose is installed on the outer side of the motor, and a clamping block 2 is installed on the other end of the fixing plate 1.

[0009] Preferably, the shell includes a base, a base is installed at the bottom of the base, an injection molding tube is slidably connected to the inner middle part of the base, a pressing block is installed at the bottom of the injection molding tube, a top plate is installed on the top of the base, a ring is provided in the top middle part of the top plate, an injection molding block is installed inside the base, and front and rear opposite conduits are installed on the upper end of the injection molding block.

[0010] Preferably, the top of the air outlet is in the shape of an open trumpet.

[0011] Preferably, the diameter of the support column gradually decreases from the outside to the inside.

[0012] Preferably, washers are provided inside the top column and the guide rail.

[0013] Preferably, an air outlet is installed at the inner bottom of the ring 1.

[0014] Compared with the prior art, the utility model has at least the following beneficial effects:

[0015] In the above scheme, through the setting of the heat dissipation structure, when the material is injected, the heat generated will be absorbed by the transmission tube, and the heat will be transmitted out through the heat conduction plate and the groove, which can increase the heat dissipation area and improve the heat transfer efficiency, thereby improving the mold after the mold is completed. The mold can quickly dissipate heat.

[0016] Through the arrangement of the ejection structure and the transmission structure, after the injection molding of the material is completed, the completed material will be ejected through the rubber ring and the ejector column installed inside the ejection structure, and the liquid outlet pipe of the transmission structure will transmit the lubricating liquid into the injection tube, thereby reducing the phenomenon that the gate sometimes adheres to the gate sleeve, resulting in difficulty in ejection, further improving the production efficiency and reducing the occurrence of defects such as cracks in the finished product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The accompanying drawings, which are incorporated herein and constitute a part of the specification, illustrate embodiments of the present disclosure and, together with the description, further serve to explain the principles of the present disclosure and to enable those skilled in the relevant art to make and use the present disclosure.

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of an injection mold with heat dissipation function.

[0019] Figure 2 This is a schematic diagram of the top view structure of an injection mold air outlet with heat dissipation function.

[0020] Figure 3 This is a schematic diagram of the top view of the ejector structure of an injection mold with heat dissipation function.

[0021] Figure 4 It is a schematic diagram of the top and side view of the structure of the injection mold heat conduction plate with heat dissipation function.

[0022] Figure 5 It is a schematic diagram of the side view structure of an injection mold with heat dissipation function.

[0023] Figure 6 This is a schematic diagram of the structure of an injection mold motor with heat dissipation function viewed from above.

[0024] Figure 7 It is a schematic diagram of the structure of the second injection mold block with heat dissipation function when viewed from above.

[0025] [reference numerals]

[0026] 1. Shell; 11. Base; 12. Injection molding block; 13. Pressing block; 14. Base; 15. Ring 1; 16. Conduit; 17. Top plate; 18. Injection molding tube; 2. Heat dissipation structure; 22. Heat conducting plate; 23. Guide block; 24. Adsorption block; 25. Ring; 26. Transmission tube; 27. Air outlet; 28. Fixed column; 29. ​​Guide ring column; 210. Groove; 211. Support block; 212. Base block; 3. Ejection structure; 33. Motor; 34. Fixed block; 35. Fixed plate 1; 36. Block 1; 37. Ejector column; 38. Rubber ring; 39. Support column; 310. Guide rail; 311. Threaded plate; 312. Hose; 313. Block 2; 4. Transmission structure; 42. Liquid separation valve; 43. Fixed plate 2; 44. Liquid storage ring; 45. Circular ring; 46. Ring 2; 47. Fixed pipe; 48. Liquid outlet pipe.

[0027] As shown in the figure, in order to clearly implement the structure of the embodiment of the utility model, specific structures and devices are marked in the figure, but this is only for illustrative purposes and is not intended to limit the utility model to the specific structure, device and environment. According to specific needs, ordinary technicians in this field can adjust or modify these devices and environments, and the adjustments or modifications made are still included in the scope of the attached claims. DETAILED DESCRIPTION

[0028] The following is a detailed description of an injection mold with heat dissipation function provided by the utility model in combination with the accompanying drawings and specific examples. At the same time, it is explained here that in order to make the embodiments more detailed, the following embodiments are listed as the best and preferred embodiments, and other alternatives can be used by technicians in some known technical fields; and the accompanying drawings are only for more specific description of the embodiments, and are not intended to specifically limit the utility model.

[0029] like Figure 1 - Figure 7 As shown, an embodiment of the utility model provides an injection mold with a heat dissipation function, including: an ejection structure 3 for ejecting the mold, a transmission structure 4 for lifting the gate to remove the material, and a heat dissipation structure 2 for dissipating the heat of the injection mold. The heat dissipation structure 2 is installed inside the shell 1, and the transmission structure 4 is installed at the middle bottom of the heat dissipation structure 2. The bottom of the transmission structure 4 is provided with an ejection structure 3; the heat dissipation structure 2 includes an air outlet 27, and the lower end of the air outlet 27 is provided with a left and right opposite heat conduction plate 22, and the bottom of the heat conduction plate 22 is installed with a guide block 23, and the outer side of the heat conduction plate 22 is installed with a transmission pipe 26, and the outer side of the transmission pipe 26 is slidably connected with 25, and the outer side of the transmission pipe 26 A fixing column 28 is arranged on the side, and guide ring columns 29 opposite to each other are arranged on the outer side of the fixing column 28. A groove 210 is opened on the top of the heat conducting plate 22, and an adsorption block 24 is installed at one end of the guide block 23. Base blocks 212 opposite to each other are installed on the outer side of the adsorption block 24, and a support block 211 is installed on the top of the adsorption block 24. The advantage of such a setting is that the heat generated by the mold can be adsorbed by the heat dissipation structure 2, and the heat can be transferred out through the air outlet 27 after the heat adsorption is completed. During the transfer, the impurities and debris generated by the heat conducting plate 22 can be adsorbed by the guide block 23 and the adsorption block 24, thereby improving the thermal conductivity efficiency of the heat conducting plate 22.

[0030] like Figure 1 - Figure 7 As shown, the transmission structure 4 includes a liquid storage ring 44, a liquid separator valve 42 is installed at the bottom of the liquid storage ring 44, a liquid outlet pipe 48 is installed at the lower end of the liquid separator valve 42, a fixed pipe 47 is installed at the top of the liquid storage ring 44, a ring ring 46 is installed on the top of the fixed pipe 47, a circular ring 45 is installed on the top of the ring ring 46, and a fixed plate 43 is arranged on the outer side of the liquid outlet pipe 48. The advantage of such a configuration is that the lubricating liquid can be stored by using the liquid storage ring 44, and the flow rate of the lubricating liquid can be separated and transmitted through the liquid separator valve 42, and the liquid outlet pipe 48 can transmit the liquid to the inlet of the injection tube 18, thereby reducing the possibility that the gate sometimes sticks to the gate sleeve.

[0031] like Figure 1 - Figure 7As shown, the ejection structure 3 includes a motor 33, a fixing block 34 is installed on the top of the motor 33, a fixing plate 35 is installed on the top of the fixing block 34, a threaded plate 311 is installed on the outer side of the fixing plate 35, a guide rail 310 is installed on the top of the threaded plate 311, a clamping block 36 is installed on the outer side of the guide rail 310, a support column 39 is installed on the top of the guide rail 310, a rubber ring 38 is installed on the top of the support column 39, a ejection column 37 is installed on the top of the rubber ring 38, a hose 312 is installed on the outer side of the motor 33, and a clamping block 2 313 is installed on the other end of the fixing plate 35. The advantage of such a configuration is that the motor 33 can better drive the threaded plate 311 to slide up and down on the guide rail 310.

[0032] like Figure 1 - Figure 7 As shown, the shell 1 includes a base 11, a base 14 is installed at the bottom of the base 11, an injection tube 18 is slidably connected to the inner middle part of the base 11, a pressing block 13 is installed at the bottom of the injection tube 18, a top plate 17 is installed on the top of the base 11, a ring 15 is provided at the top middle part of the top plate 17, an injection block 12 is installed inside the base 11, and a conduit 16 opposite to each other is installed on the upper end of the injection block 12. The advantage of this arrangement is that through the use of the conduit 16, the excess liquid generated by the injection molding can be collected and transmitted.

[0033] like Figure 1 - Figure 7 As shown, the top of the air outlet 27 is in the shape of an open trumpet. The advantage of such a setting is that it can better increase the internal heat transfer.

[0034] like Figure 1 - Figure 7 As shown, the diameter of the support column 39 gradually decreases from the outside to the inside. The advantage of this arrangement is that the connection with the rubber ring 38 can be more stable.

[0035] like Figure 1 - Figure 7 As shown, washers are provided inside the top column 37 and the guide rail 310. The advantage of such a configuration is that stability is increased during use.

[0036] like Figure 1 - Figure 7 As shown, an air outlet 27 is installed at the inner bottom of the ring 15. The advantage of this arrangement is that it reduces the phenomenon of heat backflow during transmission.

[0037] The technical solution provided by the utility model is that, first, when in use, when different molds are injection molded, the lubricating liquid stored in the liquid storage ring 44 is transported into the liquid separator 42, and then the flow rate is controlled, and the generated lubricating liquid will enter the liquid outlet pipe 48, and enter the telescopic rod 18 through the transmission of the liquid outlet pipe 48, thereby lubricating the mold inside the telescopic rod 18, and after the lubrication is completed, the guide rail 310 will slide up and down on the threaded plate 311, thereby driving the rubber ring 38 and the ejector column 37 to eject the internal mold of the telescopic rod 18, and at the same time, when the mold is ejected, the heat generated after the injection molding of different molds is completed will be transferred to the guide block 23 through the base block 212 and the support block 211, and then the guide block 23 will transfer the heat through the outer groove 210 of the heat conducting plate 22 into the air outlet 27 through the heat transfer property, and at the same time, the interior of the air outlet 27 is trumpet-shaped, which can transfer the heat, thereby ensuring that the heat can be transferred smoothly.

[0038] The present invention covers any substitution, modification, equivalent method and scheme made on the essence and scope of the present invention. In order to make the public have a thorough understanding of the present invention, specific details are described in detail in the above preferred embodiments of the present invention, and those skilled in the art can fully understand the present invention without the description of these details. In addition, in order to avoid unnecessary confusion about the essence of the present invention, well-known methods, processes, procedures, components and circuits are not described in detail.

[0039] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An injection mold with heat dissipation function, comprising: An ejection structure (3) for ejecting the mold, a transmission structure (4) for improving gate removal, and a heat dissipation structure (2) for dissipating heat from the injection mold, characterized in that the heat dissipation structure (2) is installed inside the shell (1), the transmission structure (4) is installed at the middle bottom of the heat dissipation structure (2), and the ejection structure (3) is arranged at the bottom of the transmission structure (4); The heat dissipation structure (2) comprises an air outlet (27), the lower end of the air outlet (27) is provided with a heat conduction plate (22) opposite to each other on the left and right, the bottom of the heat conduction plate (22) is installed with a guide block (23), the outer side of the heat conduction plate (22) is installed with a transmission tube (26), the outer side of the transmission tube (26) is slidably connected with (25), the outer side of the transmission tube (26) is provided with a fixed column (28), the outer side of the fixed column (28) is provided with a guide ring column (29) opposite to each other on the left and right, the top of the heat conduction plate (22) is provided with a groove (210), one end of the guide block (23) is installed with an adsorption block (24), the outer side of the adsorption block (24) is installed with a base block (212) opposite to each other on the left and right, and the top of the adsorption block (24) is installed with a support block (211).

2. The injection mold with heat dissipation function according to claim 1, characterized in that: The transmission structure (4) comprises a liquid storage ring (44), a liquid separation valve (42) is installed at the bottom of the liquid storage ring (44), a liquid outlet pipe (48) is installed at the lower end of the liquid separation valve (42), a fixed pipe (47) is installed at the top of the liquid storage ring (44), a ring ring (46) is installed at the top of the fixed pipe (47), a circular ring (45) is installed at the top of the ring ring (46), and a fixed plate (43) is arranged on the outer side of the liquid outlet pipe (48).

3. The injection mold with heat dissipation function according to claim 1, characterized in that: The ejection structure (3) comprises a motor (33), a fixing block (34) is mounted on the top of the motor (33), a fixing plate (35) is mounted on the top of the fixing block (34), a threaded plate (311) is mounted on the outer side of the fixing plate (35), a guide rail (310) is mounted on the top of the threaded plate (311), a clamping block (36) is mounted on the outer side of the guide rail (310), a support column (39) is mounted on the top of the guide rail (310), a rubber ring (38) is mounted on the top of the support column (39), a ejection column (37) is mounted on the top of the rubber ring (38), a hose (312) is mounted on the outer side of the motor (33), and a clamping block (313) is mounted on the other end of the fixing plate (35).

4. The injection mold with heat dissipation function according to claim 1, characterized in that: The shell (1) comprises a base (11), a base (14) is installed at the bottom of the base (11), an injection molding tube (18) is slidably connected to the inner middle part of the base (11), a pressing block (13) is installed at the bottom of the injection molding tube (18), a top plate (17) is installed at the top of the base (11), a ring (15) is provided at the top middle part of the top plate (17), an injection molding block (12) is installed inside the base (11), and a guide tube (16) opposite to each other is installed at the upper end of the injection molding block (12).

5. The injection mold with heat dissipation function according to claim 1, characterized in that: The top of the air outlet (27) is in the shape of an open trumpet.

6. The injection mold with heat dissipation function according to claim 3, characterized in that: The diameter of the support column (39) gradually decreases from the outside to the inside.

7. The injection mold with heat dissipation function according to claim 3, characterized in that: Washers are provided inside the top column (37) and the guide rail (310).

8. The injection mold with heat dissipation function according to claim 4, characterized in that: An air outlet (27) is installed at the inner bottom of the ring 1 (15).