Cooling mechanism of injection mold frame convenient for product molding

By introducing venting and water cooling components into the injection mold base, the problem of low cooling efficiency in existing molds has been solved, achieving efficient cooling and rapid molding, and improving production efficiency and mold closing accuracy.

CN223507632UActive Publication Date: 2025-11-04KUNSHAN YUHENG PRECISION MASCH CO LTD
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Patent Information

Application Number
CN202423081888.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-11-04
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

Existing mold cooling mechanisms cannot meet the demand for efficient cooling, resulting in low production efficiency.

Method used

It employs exhaust cooling components and water cooling components, including exhaust pipes and water cooling pipes, combined with corrugated exhaust components, to efficiently discharge high-temperature gases generated during mold closing and to cool the mold core.

Benefits of technology

It improves cooling efficiency and production efficiency, ensuring rapid product molding, while also enhancing mold closing accuracy and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a cooling mechanism of an injection mold frame convenient for product molding, which comprises a mold body, the mold body sequentially comprises a fixed mold plate, a movable mold plate and a bottom plate from top to bottom, the side edge of the movable mold plate is provided with a plurality of exhaust cooling components at intervals, and the exhaust cooling components are used for exhausting high-temperature gas generated during mold closing processing. Meanwhile, square guide columns are arranged below the periphery of the fixed mold plate, one ends of the square guide columns are connected with the fixed mold plate in a locked mode, the other ends of the square guide columns are correspondingly connected with the movable mold plate, the square guide columns play a role in supporting and positioning the movable mold plate through the fixed mold plate, and a round guide column is arranged above the periphery of the movable mold plate; one end of the round guide column is connected with the movable mold plate, the other end of the round guide column is correspondingly connected with the fixed mold plate, the round guide column plays a role in supporting and guiding when the movable mold plate moves, and the mold closing accuracy is improved.
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Description

Technical Field

[0001] This utility model relates to the field of injection mold technology, and more specifically, to a cooling mechanism for an injection mold frame that facilitates product molding. Background Technology

[0002] The mold industry is a fundamental industry of national industrialization and has always received attention and importance from the state and various enterprises. Molds themselves are a process in industrial production, and plastic molds refer to molds used to make plastic parts. With the development of industries related to industrial production, such as machinery, electronics, aerospace, and instrumentation, as well as the daily necessities industry, injection molds have become an important method for manufacturing various plastic parts.

[0003] The closest existing technology is disclosed in patent announcement number CN219768930U, which discloses a dual-color automotive light injection mold base, comprising: a heat insulation plate 1, a panel 2, a fixed mold plate 3, a moving mold plate 4, a lower ejector mechanism 5, a hot runner plate 6, a grooved plate 7, and a base plate 8. Its features include: a panel 2 located below the heat insulation plate 1, with two first injection ports 21 for injecting different injection liquids; a lower ejector mechanism 5 located at one end below the heat insulation plate 1; a hot runner plate 6 located at one end below the lower ejector mechanism 5; and a grooved plate 7 located at the other end below the lower ejector mechanism 5. Below the plate 6 and the groove plate 7, there is a fixed template 3. The fixed template 3 is a cavity mold used to fix the mold core to the mold opening robot. The cavity mold of the mold core is used to form the outer surface of the product. Below the fixed template 3, there is a movable template 4. The movable template 4 is a punch mold used to place the mold core. Guide pillars 11 are fixed at the four corners of the movable template 4. The guide pillars 11 play a guiding and positioning role when the mold frame is opened and closed. Square guide pillars 12 are fixed between adjacent guide pillars 11. The square guide pillars 12 play an auxiliary guiding and positioning role when the mold frame is opened and closed. Below the movable template 4, there is a base plate 8.

[0004] Existing molds only use cooling water mechanisms, which input external cooling water into the fixed and moving mold plates to cool the product before draining the water. This still cannot meet the demand for efficient cooling, thus reducing production efficiency.

[0005] In view of this, the present invention proposes a cooling mechanism for an injection mold frame that is highly efficient in cooling, simple in structure, and facilitates product molding. Utility Model Content

[0006] The purpose of this invention is to propose a cooling mechanism for an injection mold frame that is highly efficient in cooling, simple in structure, and facilitates product molding.

[0007] A cooling mechanism for an injection mold base that facilitates product molding includes a mold body 1. The mold body 1 comprises, from top to bottom, a fixed mold plate 2, a movable mold plate 3, and a base plate. The fixed mold plate 2 has an injection port 21 at its center, and cooling water channels 22 on its sides. A square guide post 4 is provided below all four sides of the fixed mold plate 2. One end of the square guide post 4 is locked to the fixed mold plate 2, and the other end is correspondingly connected to the movable mold plate 3. The square guide post 4 supports the fixed mold plate 2 and positions the movable mold plate 3. A circular guide post is provided above all four sides of the movable mold plate 3. One end of the circular guide post 5 is connected to the moving template 3, and the other end of the circular guide post 5 is connected to the fixed template 2. The circular guide post 5 serves to support and guide the moving template 3 during its movement. The moving template 3 has a mold core 6 in the middle. The front end of the outer side of the moving template 3 is detachably equipped with a first molding drive device 7. The rear end of the outer side of the moving template 3 is equipped with a second molding drive device 8. The left and right ends of the outer side of the moving template 3 are equipped with third molding drive devices 9. The side of the moving template 3 is equipped with two exhaust cooling components 10 spaced apart. The exhaust cooling components 10 are used to exhaust the high-temperature gas generated during the mold closing process.

[0008] Furthermore, the exhaust cooling assembly 10 includes an exhaust pipe 101 and a water-cooling pipe 102. One end of the exhaust pipe 101 is connected to the mold core 6, and the other end of the exhaust pipe 101 passes through the moving template 3 and is connected to an external exhaust device. A water-cooling pipe 102 is sleeved on the outside of the exhaust pipe 101. The water-cooling pipe 102 is used to cool the exhaust pipe 101. At least two first water outlets are provided at intervals on the outside of the water-cooling pipe 102. The first water outlets are connected to an external cooling water supply and return device through pipes.

[0009] In some embodiments, an observation window 11 is provided between adjacent exhaust cooling assemblies 10. The observation window 11 is detachably connected to the moving mold to prevent foreign objects from falling and to facilitate inspection and observation of the mold.

[0010] In some embodiments, the moving mold is further provided with a water-cooling component 12 near the mold core 6. The water-cooling component 12 is used to cool the mold core 6 to facilitate rapid product molding.

[0011] In some embodiments, the water-cooled cooling assembly 12 includes a second water outlet 121 and a first water inlet 122. The second water outlet 121 and the first water inlet 122 are respectively connected to an external cooling water supply and return device through pipes. A sealing ring 123 is also provided on the outside of the second water outlet 121 and the first water inlet 122. The sealing ring 123 is correspondingly connected to the upper fixed mold and plays the role of positioning and buffering when the mold is closed.

[0012] In some embodiments, a demolding ejector assembly is provided below the mold core 6, which is used to demold the molded product formed by the mold core 6.

[0013] In some embodiments, a corrugated venting assembly is provided between the fixed template 2 and the moving template 3. The corrugated venting assembly is used to discharge the gas containing water droplets generated inside the mold core 6 to prevent bubbles from forming in the product.

[0014] Furthermore, the corrugated exhaust assembly includes a first serrated exhaust groove 131 and a second serrated exhaust groove 132. The first serrated exhaust groove 131 is provided below the fixed template 2, and the second serrated exhaust groove 132 is provided around the top of the fixed template 2. The first serrated exhaust groove 131 and the second serrated exhaust groove 132 engage to form an exhaust channel. One end of the exhaust channel is connected to the exhaust output end of the mold core 6, and the other end of the exhaust channel is connected to an external air extraction device through a pipe.

[0015] Furthermore, the second serrated exhaust groove 132 includes serrated groups 134, with adjacent serrated groups 134 arranged in parallel. Each serrated group 134 includes high serrations 1341, medium serrations 1342, and low serrations 1343, arranged sequentially. The height of the high serrations 1341, medium serrations 1342, and low serrations 1343 decreases sequentially. Each high serration 1341, medium serration 1342, and low serration 1343 has an exhaust port 133 at its crest. The gas inside the mold core 6 is output to the exhaust channel through the exhaust port 133 at the crest of each high serration 1341, medium serration 1342, and low serration 1343 according to its height.

[0016] Furthermore, the gap between the peaks of each high serration 1341 and the middle serration 1342 is larger than the gap between the peaks of each middle serration 1342 and the low serration 1343, which facilitates exhaust.

[0017] The beneficial effects of this utility model are as follows: This utility model proposes a cooling mechanism for an injection mold frame that facilitates product molding. The mechanism includes a mold body 1, which, from top to bottom, comprises a fixed mold plate 2, a movable mold plate 3, and a base plate. Two exhaust cooling components 10 are spaced apart on the side of the movable mold plate 3. These components are used to exhaust high-temperature gases generated during mold closing, improving cooling efficiency and thus increasing production efficiency. Simultaneously, a square guide post 4 is provided below all four sides of the fixed mold plate 2. One end of the square guide post 4 is locked to the fixed mold plate 2, and the other end is correspondingly connected to the movable mold plate 3. The square guide post 4 supports the fixed mold plate 2 and positions the movable mold plate 3. A circular guide post 5 is provided above all four sides of the movable mold plate 3. One end of the circular guide post 5 is connected to the movable mold plate 3, and the other end is correspondingly connected to the fixed mold plate 2. The circular guide post 5 supports the movable mold plate 3 and guides its movement, improving mold closing accuracy. Attached Figure Description

[0018] Figure 1This is a schematic diagram of the cooling mechanism of an injection mold frame that facilitates product molding, as described in this application.

[0019] Figure 2 This is a schematic diagram of the cooling mechanism of an injection mold frame that facilitates product molding, as described in this application.

[0020] Figure 3 This is a partially enlarged structural diagram of a water-cooled cooling component for a cooling mechanism of an injection mold frame that facilitates product molding, as described in this application.

[0021] Figure 4 This is a schematic diagram of the cooling mechanism of an injection mold frame that facilitates product molding, as described in this application.

[0022] Figure 5 This is a schematic diagram of the cooling mechanism of an injection mold frame that facilitates product molding, as described in this application.

[0023] Figure 6 This is a cross-sectional view of a corrugated venting assembly of a cooling mechanism for an injection mold frame that facilitates product molding, according to this application.

[0024] Figure 7 This is a side view of the exhaust cooling assembly of a cooling mechanism for an injection mold frame that facilitates product molding, according to this application.

[0025] Figure 8 This is a cross-sectional view of the exhaust cooling assembly of a cooling mechanism for an injection mold frame that facilitates product molding, according to this application.

[0026] Explanation of main component symbols

[0027] Mold body 1, fixed mold plate 2, injection port 21, cooling water channel port 22, moving mold plate 3, square guide pillar 4, round guide pillar 5, mold core 6, first molding drive device 7, second molding drive device 8, third molding drive device 9, exhaust cooling assembly 10, exhaust pipe 101, water cooling pipe 102, observation and anti-fall window 11, water cooling assembly 12, second water outlet 121, first water inlet 122, sealing ring 123, first serrated exhaust groove 131, second serrated exhaust groove 132, air outlet 133, serrated group 134, high serration 1341, medium serration 1342, low serration 1343.

[0028] The following detailed description, in conjunction with the accompanying drawings, will further illustrate this utility model. Detailed Implementation

[0029] The following embodiments are described to aid in understanding this application. These embodiments are not, and should not be, construed in any way as limiting the scope of protection of this application.

[0030] In the following description, those skilled in the art will recognize that throughout this discussion, components may be described as individual functional units (which may include subunits), but those skilled in the art will recognize that various components or portions thereof may be divided into individual components or may be integrated together (including integrated within a single system or component).

[0031] Furthermore, the connection between components or systems is not intended to be limited to a direct connection; on the contrary, data between these components may be modified, reformatted, or otherwise altered by intermediate components. Additionally, other or fewer connections may be used. It should also be noted that the terms "connection," "link," or "input" should be understood to include direct connections, indirect connections via one or more intermediate devices, and wireless connections. Example 1:

[0032] like Figure 1 The diagram shown is a structural schematic of a cooling mechanism for an injection mold base that facilitates product molding, according to this application. Figure 2 The diagram shown is a structural schematic of a cooling mechanism for an injection mold base that facilitates product molding, according to this application. Figure 3 The diagram shown is a partially enlarged structural schematic of a water-cooled cooling assembly for a cooling mechanism of an injection mold base that facilitates product molding, as described in this application. Figure 4 The diagram shown is a structural schematic of a cooling mechanism for an injection mold base that facilitates product molding, according to this application. Figure 5 The diagram shown is a structural schematic of a cooling mechanism for an injection mold base that facilitates product molding, according to this application. Figure 6 The image shown is a cross-sectional view of a corrugated venting assembly of a cooling mechanism for an injection mold base that facilitates product molding, according to this application. Figure 7 The image shown is a side view of the exhaust cooling assembly of a cooling mechanism for an injection mold base that facilitates product molding, according to this application; as shown... Figure 8 The image shown is a cross-sectional view of the exhaust cooling assembly of a cooling mechanism for an injection mold frame that facilitates product molding, according to this application.

[0033] A cooling mechanism for an injection mold base that facilitates product molding includes a mold body 1. The mold body 1 comprises, from top to bottom, a fixed mold plate 2, a movable mold plate 3, and a base plate. The fixed mold plate 2 has an injection port 21 at its center, and cooling water channels 22 on its sides. A square guide post 4 is provided below all four sides of the fixed mold plate 2. One end of the square guide post 4 is locked to the fixed mold plate 2, and the other end is correspondingly connected to the movable mold plate 3. The square guide post 4 supports the fixed mold plate 2 and positions the movable mold plate 3. A circular guide post is provided above all four sides of the movable mold plate 3. One end of the circular guide post 5 is connected to the moving template 3, and the other end of the circular guide post 5 is connected to the fixed template 2. The circular guide post 5 serves to support and guide the moving template 3 during its movement. The moving template 3 has a mold core 6 in the middle. The front end of the outer side of the moving template 3 is detachably equipped with a first molding drive device 7. The rear end of the outer side of the moving template 3 is equipped with a second molding drive device 8. The left and right ends of the outer side of the moving template 3 are equipped with third molding drive devices 9. The side of the moving template 3 is equipped with two exhaust cooling components 10 spaced apart. The exhaust cooling components 10 are used to exhaust the high-temperature gas generated during the mold closing process.

[0034] The exhaust cooling assembly 10 includes an exhaust pipe 101 and a water-cooling pipe 102. One end of the exhaust pipe 101 is connected to the mold core 6, and the other end of the exhaust pipe 101 passes through the moving template 3 and is connected to an external exhaust device. The water-cooling pipe 102 is sleeved on the outside of the exhaust pipe 101. The water-cooling pipe 102 is used to cool the exhaust pipe 101. At least two first water outlets are provided at intervals on the outside of the water-cooling pipe 102. The first water outlets are connected to an external cooling water supply and return device through pipes.

[0035] An observation window 11 is provided between adjacent exhaust cooling components 10. The observation window 11 is detachably connected to the moving mold to prevent foreign objects from falling and to facilitate inspection and observation of the mold.

[0036] The moving mold is also provided with a water-cooling component 12 near the mold core 6. The water-cooling component 12 is used to cool the mold core 6, which facilitates rapid product molding.

[0037] The water-cooled cooling assembly 12 includes a second water outlet 121 and a first water inlet 122. The second water outlet 121 and the first water inlet 122 are respectively connected to an external cooling water supply and return device through pipes. A sealing ring 123 is also provided on the outside of the second water outlet 121 and the first water inlet 122. The sealing ring 123 is connected to the upper fixed mold and plays the role of positioning and buffering when the mold is closed.

[0038] The mold core 6 is provided with a demolding ejector pin assembly below it, which is used to demold the molded product formed by the mold core 6.

[0039] A corrugated venting assembly is also provided between the fixed template 2 and the moving template 3. The corrugated venting assembly is used to discharge the gas containing water droplets generated inside the mold core 6 to prevent bubbles from forming in the product.

[0040] The corrugated exhaust assembly includes a first serrated exhaust groove 131 and a second serrated exhaust groove 132. The first serrated exhaust groove 131 is provided below the fixed template 2, and the second serrated exhaust groove 132 is provided around the top of the fixed template 2. The first serrated exhaust groove 131 and the second serrated exhaust groove 132 engage to form an exhaust channel. One end of the exhaust channel is connected to the exhaust output end of the mold core 6, and the other end of the exhaust channel is connected to an external air extraction device through a pipe.

[0041] The second serrated exhaust groove 132 includes serrated groups 134, with adjacent serrated groups 134 arranged in parallel. Each serrated group 134 includes high serrations 1341, medium serrations 1342, and low serrations 1343, arranged sequentially. The height of the high serrations 1341, medium serrations 1342, and low serrations 1343 decreases sequentially. Each high serration 1341, medium serration 1342, and low serration 1343 has an exhaust port 133 at its crest. The gas inside the mold core 6 is output to the exhaust channel through the exhaust port 133 at the crest of each high serration 1341, medium serration 1342, and low serration 1343 according to its height.

[0042] The gap between the peaks of each high serration 1341 and the middle serration 1342 is larger than the gap between the peaks of each middle serration 1342 and the low serration 1343, which facilitates exhaust.

[0043] The beneficial effects of this utility model are as follows: This utility model proposes a cooling mechanism for an injection mold frame that facilitates product molding. The mechanism includes a mold body 1, which, from top to bottom, comprises a fixed mold plate 2, a movable mold plate 3, and a base plate. Two exhaust cooling components 10 are spaced apart on the side of the movable mold plate 3. These components are used to exhaust high-temperature gases generated during mold closing, improving cooling efficiency and thus increasing production efficiency. Simultaneously, a square guide post 4 is provided below all four sides of the fixed mold plate 2. One end of the square guide post 4 is locked to the fixed mold plate 2, and the other end is correspondingly connected to the movable mold plate 3. The square guide post 4 supports the fixed mold plate 2 and positions the movable mold plate 3. A circular guide post 5 is provided above all four sides of the movable mold plate 3. One end of the circular guide post 5 is connected to the movable mold plate 3, and the other end is correspondingly connected to the fixed mold plate 2. The circular guide post 5 supports the movable mold plate 3 and guides its movement, improving mold closing accuracy.

[0044] Although this application discloses several aspects and embodiments, other aspects and embodiments will be obvious to those skilled in the art. Various modifications and improvements can be made without departing from the concept of this application, and these all fall within the scope of protection of this application. The various aspects and embodiments disclosed in this application are for illustrative purposes only and are not intended to limit this application. The actual scope of protection of this application is determined by the claims.

Claims

1. A cooling mechanism for an injection mold base that facilitates product molding, comprising a mold body (1), wherein the mold body (1) comprises, from top to bottom, a fixed mold plate (2), a movable mold plate (3), and a base plate, characterized in that: An injection port (21) is provided in the middle of the upper part of the fixed mold plate (2). A cooling water channel (22) is provided on the side of the injection port (21). A square guide post (4) is provided on the lower part of the four sides of the fixed mold plate (2). One end of the square guide post (4) is locked to the fixed mold plate (2), and the other end of the square guide post (4) is connected to the moving mold plate (3). The square guide post (4) serves to support and position the moving mold plate (3) of the fixed mold plate (2). A round guide post (5) is provided on the upper part of the four sides of the moving mold plate (3). One end of the round guide post (5) is connected to the moving mold plate (3), and the other end of the round guide post (5) is connected to the fixed mold plate (3). Plate (2) is connected accordingly. The round guide post (5) serves to support and guide the movement of the moving template (3). The moving template (3) has a mold core (6) in the middle. The front end of the outer side of the moving template (3) is detachably equipped with a first molding drive device (7). The rear end of the outer side of the moving template (3) is equipped with a second molding drive device (8). The left and right ends of the outer side of the moving template (3) are equipped with a third molding drive device (9). The side of the moving template (3) is equipped with two exhaust cooling components (10) spaced apart. The exhaust cooling components (10) are used to exhaust the high-temperature gas generated during mold closing.

2. The cooling mechanism for the injection mold base that facilitates product molding as described in claim 1, characterized in that: The exhaust cooling assembly (10) includes an exhaust pipe (101) and a water cooling pipe (102). One end of the exhaust pipe (101) is connected to the mold core (6), and the other end of the exhaust pipe (101) passes through the moving template (3) and is connected to an external exhaust device. A water cooling pipe (102) is sleeved on the outside of the exhaust pipe (101). The water cooling pipe (102) is used to cool the exhaust pipe (101). At least two first water outlets are provided on the outside of the water cooling pipe (102) at intervals. The first water outlets are connected to an external cooling water supply and return device through pipes.

3. The cooling mechanism for the injection mold base that facilitates product molding as described in claim 2, characterized in that: An observation window (11) is provided between adjacent exhaust cooling components (10). The observation window (11) is detachably connected to the moving mold to prevent foreign objects from falling and to facilitate inspection and observation of the mold.

4. The cooling mechanism for the injection mold base that facilitates product molding as described in claim 1, characterized in that: The moving mold is also provided with a water-cooling component (12) near the mold core (6). The water-cooling component (12) is used to cool the mold core (6) to facilitate rapid product molding.

5. The cooling mechanism for the injection mold base that facilitates product molding as described in claim 4, characterized in that: The water-cooled cooling component (12) includes a second water outlet (121) and a first water inlet (122). The second water outlet (121) and the first water inlet (122) are respectively connected to an external cooling water supply and return device through pipes. A sealing ring (123) is also provided on the outside of the second water outlet (121) and the first water inlet (122). The sealing ring (123) is connected to the upper fixed mold. The sealing ring (123) plays the role of positioning and buffering when the mold is closed.

6. The cooling mechanism for the injection mold base that facilitates product molding as described in claim 1, characterized in that: The mold core (6) is provided with a demolding ejector assembly below it. The demolding ejector assembly is used to demold the molded product formed by the mold core (6).

7. The cooling mechanism for the injection mold base that facilitates product molding as described in claim 1, characterized in that: A corrugated venting assembly is also provided between the fixed template (2) and the moving template (3). The corrugated venting assembly is used to discharge the gas with water droplets generated in the mold core (6) to prevent the product from generating bubbles.

8. The cooling mechanism for the injection mold base that facilitates product molding as described in claim 7, characterized in that: The corrugated exhaust assembly includes a first serrated exhaust groove (131) and a second serrated exhaust groove (132). The first serrated exhaust groove (131) is provided below the fixed template (2), and the second serrated exhaust groove (132) is provided around the top of the fixed template (2). The first serrated exhaust groove (131) and the second serrated exhaust groove (132) engage to form an exhaust channel. One end of the exhaust channel is connected to the exhaust output end of the mold core (6), and the other end of the exhaust channel is connected to an external air extraction device through a pipe.

9. The cooling mechanism for the injection mold base that facilitates product molding as described in claim 8, characterized in that: The second serrated exhaust groove (132) includes a serrated group (134), with adjacent serrated groups (134) arranged in parallel. Each serrated group (134) includes a high serrated tooth (1341), a medium serrated tooth (1342), and a low serrated tooth (1343). The high serrated tooth (1341), medium serrated tooth (1342), and low serrated tooth (1343) are arranged in sequence, and the height of the high serrated tooth (1341), medium serrated tooth (1342), and low serrated tooth (1343) decreases in sequence. An exhaust port (133) is provided at the crest of each high serrated tooth (1341), medium serrated tooth (1342), and low serrated tooth (1343). The gas in the mold core (6) is output to the exhaust channel through the exhaust port (133) provided at the crest of each high serrated tooth (1341), medium serrated tooth (1342), and low serrated tooth (1343) according to the height.

10. The cooling mechanism for the injection mold base that facilitates product molding as described in claim 9, characterized in that: The gap between the peaks of each high sawtooth (1341) and the middle sawtooth (1342) is larger than the gap between the peaks of each middle sawtooth (1342) and the low sawtooth (1343), which facilitates exhaust.

Citation Information

Patent Citations

  • Double-color car lamp injection mold frame

    CN219768930U