Hot runner structure of a mold

By designing air-cooled and water-cooled dual cooling systems in hot runner molds, the problem of inconvenience in cooling of existing hot runner molds is solved, and cooling efficiency and production efficiency are improved.

CN222727310UActive Publication Date: 2025-04-08WEIMA HOT RUNNER TECH (KUNSHAN) CO LTD
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Patent Information

Application Number
CN202420517550.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-03-18
Publication Date
2025-04-08
Estimated Expiration
2034-03-18

AI Technical Summary

Technical Problem

The existing hot runner molds are inconvenient to cool them when used, resulting in inconvenient demolding of the molded molds and reducing production efficiency.

Method used

A hot runner structure of a mold is designed, and a double cooling system of air-cooled and water-cooled is adopted. Through the cooperation of the limit slide rail and the slider, the sliding limit of the second mold groove is realized, and a supply duct is arranged on the outer wall of the first mold groove and the blower is connected to the blower, and a cooling pipe is arranged on the inner wall of the first mold groove and the water tank is connected to the water tank to achieve the cooling effect of air-cooled and water-cooled.

Benefits of technology

The cooling efficiency of the hot runner mold is improved, allowing it to perform mold release work faster, and improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a hot runner structure of a mold, including a bottom plate, the top of which is fixedly connected with a first mold groove, and the top of which is fixedly connected with a top plate. The hot runner structure of a mold provided by the utility model has the following characteristics: the first mold groove is fixedly connected to the top of the bottom plate, and the top of the first mold groove is fixedly connected with a top plate, the top of the bottom plate is fixedly connected with a limiting slide rail, the cooperation of the limiting slide rail and the slide groove in the top plate can make the second mold groove slide and limit, the outer wall of the second mold groove is provided with an air vent, the air vent is connected with a ventilation cavity, the outer wall of the first mold groove is fixedly connected with an air supply pipe, the air supply pipe is connected with a blower, and the blower can make the first mold groove and the second mold groove be air-cooled through the air supply pipe, the outer wall of the first mold groove is fixedly connected with a water tank, a water pumping box is arranged just above the water tank, and the water pump in the water pumping box sucks the water in the water tank and transports it to the circulating cooling pipe of the inner wall of the first mold groove, so as to perform water cooling.
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Description

Technical Field

[0001] The utility model relates to the technical field of hot runner mold processing, in particular to a hot runner structure of a mold. Background Art

[0002] Hot runner is a heating component system used in injection molds to inject melted plastic particles into the mold cavity. The hot runner ensures that the plastic in the runner and gate remains molten by heating.

[0003] The existing hot runner mold is not convenient to cool during use, which makes it difficult to demould the molded mold, thereby reducing production efficiency. Utility Model Content

[0004] The utility model aims to provide a hot runner structure of a mold to solve the problem that the existing hot runner mold proposed in the above background technology is inconvenient to cool during use, which makes it inconvenient to demould the molded mold and reduces production efficiency.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hot runner structure of a mold, comprising a base plate, a first mold groove is fixedly connected to the top of the base plate, a top plate is fixedly connected to the top of the first mold groove, a shell is fixedly connected to the top of the top plate, a drive box is fixedly connected to the top of the shell, a feed port is fixedly connected to the top of the shell, the feed port is located on one side of the drive box, a limiting slide rail is provided on one side of the top of the base plate, a second mold groove is slidably provided on the limiting slide rail, the second mold groove is adapted to the first mold groove, an air vent is provided on the outer wall of the second mold groove, and a handle is fixedly connected to one end of the second mold groove.

[0006] Furthermore, a slide groove is provided in the top plate, a slider is slidably provided in the slide groove, and the bottom of the slider is fixedly connected to the top of the second mold groove.

[0007] Furthermore, a material discharge box is provided in the outer shell, a material discharge impeller is rotatably provided in the material discharge box, one end of the feed port is fixedly connected with a feeding pipe, one end of the feeding pipe is connected with the material discharge box, the bottom of the material discharge box is connected with the top of the first mold groove, a motor is provided in the driving box, and the output end of the motor is fixedly connected with the material discharge impeller.

[0008] Furthermore, the outer wall of the first mold groove is fixedly connected to a water tank, and the outer wall of the first mold groove is fixedly connected to a water pumping box, and the water pumping box is located directly above the water tank.

[0009] Furthermore, a water pump is provided in the water pumping box, the input end of the water pump is fixedly connected to a water pumping pipe, the water pumping pipe is located in the water tank, the output end of the water pump is fixedly connected to a cooling circulation pipe, the cooling circulation pipe is located on the inner wall of the first mold groove, and one end of the cooling circulation pipe is provided in the water tank.

[0010] Furthermore, a blower is fixed by bolts on the right side of the top of the bottom plate, and the output end of the blower is fixedly connected to an air supply pipe, and the air supply pipe is connected to the outer wall of the first mold groove.

[0011] Furthermore, a ventilation cavity is provided between the mold groove and the outer wall inside the first mold groove and the second mold groove, and the ventilation cavity is connected with the vent hole.

[0012] Compared with the prior art, the utility model has the following beneficial effects: the hot runner structure of the mold is reasonable and has the following advantages:

[0013] (1) The first mold groove is fixedly connected to the top of the bottom plate, and its top is fixedly connected to the top plate. The top of the bottom plate is fixedly connected to a limit slide rail. The cooperation between the limit slide rail and the slide groove in the top plate can make the second mold groove slide and limit. The outer wall of the second mold groove is provided with an air vent, and the air vent is connected to the ventilation cavity. The outer wall of the first mold groove is fixedly connected to an air supply pipe, and the air supply pipe is connected to a blower. The blower can air-cool the first mold groove and the second mold groove through the air supply pipe. The outer wall of the first mold groove is fixedly connected to a water tank, and a water pump box is arranged just above the water tank. The water pump in the water pump box sucks the water in the water tank and transports it to the cooling pipe on the inner wall of the first mold groove, so as to perform water cooling. The cooling efficiency of the hot runner mold is increased by water cooling and air cooling, so that it can perform demolding work faster;

[0014] (2) The top of the top plate is fixedly connected to a shell, a material discharge box is arranged in the shell, a material discharge impeller is rotatably arranged in the material discharge box, and the material discharge impeller can transport the raw materials fed from the feed port to the first die groove, and the material discharge efficiency of the raw materials can be guaranteed to a certain extent by the setting of the material discharge impeller. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the feeding structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the overall structure refrigeration component of the utility model;

[0018] Figure 4 This is a schematic diagram of the refrigeration structure of the utility model;

[0019] Figure 5 For this utility model Figure 2 A local enlarged schematic diagram of point A is shown.

[0020] In the figure: 1. bottom plate; 101. limit slide rail; 2. first mold groove; 3. top plate; 301. slide groove; 4. second mold groove; 401. vent hole; 402. slider; 5. handle; 6. housing; 7. drive box; 701. motor; 8. feed port; 801. feed pipe; 9. pumping box; 901. water pump; 902. pumping pipe; 10. water tank; 11. blower; 12. air supply pipe; 13. cooling pipe; 14. discharge box; 1401. discharge impeller. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0022] See also Figure 1-5 , a technical solution provided by the utility model:

[0023] Embodiment: A hot runner structure of a mold, comprising a bottom plate 1, a first mold groove 2 is fixedly connected to the top of the bottom plate 1, a top plate 3 is fixedly connected to the top of the first mold groove 2, a shell 6 is fixedly connected to the top of the top plate 3, a drive box 7 is fixedly connected to the top of the shell 6, a feed port 8 is fixedly connected to the top of the shell 6, and the feed port 8 is located on one side of the drive box 7. A limiting slide rail 101 is provided on one side of the top of the bottom plate 1, and a second mold groove 4 is slidably provided on the limiting slide rail 101, and the second mold groove 4 is connected to the The first die groove 2 is adapted, the outer wall of the second die groove 4 is provided with a vent hole 401, one end of the second die groove 4 is fixedly connected with a handle 5, a slide groove 301 is provided in the top plate 3, a slider 402 is slidably provided in the slide groove 301, the bottom of the slider 402 is fixedly connected with the top of the second die groove 4, a material box 14 is provided in the outer shell 6, a material box 14 is rotatably provided with a material impeller 1401, one end of the feed port 8 is fixedly connected with a feed pipe 801, and one end of the feed pipe 801 is connected to the lower The material box 14 is connected, the bottom of the material box 14 is connected to the top of the first mold groove 2, a motor 701 is arranged in the driving box 7, the output end of the motor 701 is fixedly connected to the material discharge impeller 1401, the outer wall of the first mold groove 2 is fixedly connected to the water tank 10, the outer wall of the first mold groove 2 is fixedly connected to the water pumping box 9, the water pumping box 9 is located directly above the water tank 10, a water pump 901 is arranged in the water pumping box 9, the input end of the water pump 901 is fixedly connected to the water pumping pipe 902, and the water pumping pipe 902 is located at the top of the water tank 10. In the water tank 10, the output end of the water pump 901 is fixedly connected to a cooling pipe 13, which is located on the inner wall of the first mold groove 2. One end of the cooling pipe 13 is set in the water tank 10. A blower 11 is fixed to the right bolt on the top of the bottom plate 1. The output end of the blower 11 is fixedly connected to an air supply pipe 12, which is connected to the outer wall of the first mold groove 2. A ventilation cavity is set between the mold groove and the outer wall inside the first mold groove 2 and the second mold groove 4, and the ventilation cavity is connected to the vent 401.

[0024] The first mold groove 2 is fixedly connected to the top of the bottom plate 1, and its top is fixedly connected to the top plate 3. The top of the bottom plate 1 is fixedly connected to the limiting slide rail 101. The cooperation between the limiting slide rail 101 and the slide groove 301 in the top plate 3 can make the second mold groove 4 slide and limit. The outer wall of the second mold groove 4 is provided with a vent hole 401, and the vent hole 401 is connected to the ventilation cavity. The outer wall of the first mold groove 2 is fixedly connected to the air supply pipe 12, and the air supply pipe 12 is connected to the blower 11. The blower 11 can make the first mold groove 2 and the second mold groove 4 be air-cooled through the air supply pipe 12. The outer wall of the first mold groove 2 is fixedly connected to the water tank 10, and a water tank 10 is provided directly above the water tank 10. A water pumping box 9 is provided, and a water pump 901 in the water pumping box 9 draws water from the water tank 10 and transports it to the cooling pipe 13 on the inner wall of the first mold groove 2, thereby performing water cooling. The cooling efficiency of the hot runner mold is increased through water cooling and air cooling, so that it can perform demoulding work faster. The top of the top plate 3 is fixedly connected to the outer shell 6, and a material discharge box 14 is arranged in the outer shell 6. A material discharge impeller 1401 is rotatably arranged in the material discharge box 14. The material discharge impeller 1401 can transport the raw material fed by the feed port 8 to the first mold groove 2, and the setting of the material discharge impeller 1401 can ensure the material discharge efficiency to a certain extent.

[0025] Working principle: When in use, the raw material first enters the unloading box 14 where the unloading impeller 1401 is located through the feed port 8, and the unloading impeller 1401 delivers the raw material into the first die groove 2. The first die groove 2 is fixedly connected to the top of the bottom plate 1, and the top is fixedly connected to the top plate 3. The top plate 3 is provided with a slide groove 301, and the slider 402 can slide in the slide groove 301. The bottom of the slider 402 is fixedly connected to the top of the second die groove 4;

[0026] Secondly, the second mold groove 4 can realize sliding limit by the sliding of the limiting slide rail 101 and the slider 402 in the slide groove 301. The outer wall of the second mold groove 4 is provided with a vent hole 401, and the vent hole 401 is connected with the ventilation cavity. The outer wall of the first mold groove 2 is fixedly connected with an air supply pipe 12, and the air supply pipe 12 is connected with the blower 11. The blower 11 provides air cooling to the first mold groove 2 and the second mold groove 4 through the air supply pipe 12. The outer wall of the first mold groove 2 is fixedly connected with a water tank 10, and a water pumping box 9 is arranged just above the water tank 10. The water pump 901 in the water pumping box 9 sucks the water in the water tank 10 and transports it to the circulating cooling pipe 13 on the inner wall of the first mold groove 2. The circulating cooling pipe 13 cools the first mold groove 2 and the second mold groove 4 by water cooling;

[0027] Finally, after double cooling of air cooling and water cooling, the cooling efficiency of the hot runner mold is improved, which speeds up the demoulding work.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A hot runner structure of a mold, comprising a bottom plate, characterized in that: The top of the bottom plate is fixedly connected with a first mold groove, the top of the first mold groove is fixedly connected with a top plate, the top of the top plate is fixedly connected with a shell, the top of the shell is fixedly connected with a drive box, the top of the shell is fixedly connected with a feed port, the feed port is located on one side of the drive box, a limiting slide rail is provided on one side of the top of the bottom plate, a second mold groove is slidably provided on the limiting slide rail, the second mold groove is adapted to the first mold groove, an outer wall of the second mold groove is provided with an air vent, and one end of the second mold groove is fixedly connected with a handle.

2. The hot runner structure of a mold according to claim 1, characterized in that: A slide groove is provided in the top plate, a slider is slidably arranged in the slide groove, and the bottom of the slider is fixedly connected to the top of the second mold groove.

3. The hot runner structure of a mold according to claim 1, characterized in that: A material discharge box is arranged in the outer shell, a material discharge impeller is rotatably arranged in the material discharge box, one end of the feed port is fixedly connected with a feeding pipe, one end of the feeding pipe is connected with the material discharge box, the bottom of the material discharge box is connected with the top of the first mold groove, a motor is arranged in the driving box, and the output end of the motor is fixedly connected with the material discharge impeller.

4. The hot runner structure of a mold according to claim 1, characterized in that: The outer wall of the first mold groove is fixedly connected with a water tank, and the outer wall of the first mold groove is fixedly connected with a water pumping box, and the water pumping box is located directly above the water tank.

5. The hot runner structure of a mold according to claim 4, characterized in that: A water pump is arranged in the water pumping box, the input end of the water pump is fixedly connected with a water pumping pipe, the water pumping pipe is located in the water tank, the output end of the water pump is fixedly connected with a cooling circulation pipe, the cooling circulation pipe is located on the inner wall of the first mold groove, and one end of the cooling circulation pipe is arranged in the water tank.

6. The hot runner structure of a mold according to claim 1, characterized in that: A blower is fixed by bolts on the right side of the top of the bottom plate, and the output end of the blower is fixedly connected to an air supply pipe, and the air supply pipe is connected to the outer wall of the first mold groove.

7. The hot runner structure of a mold according to claim 1, characterized in that: A ventilation cavity is arranged between the mold groove and the outer wall inside the first mold groove and the second mold groove, and the ventilation cavity is connected with the vent hole.