A mold frame for bowl injection molding

By designing a mold frame for injection molding of bowl tools with servo motor and heat dissipation structure, the problem of inconvenience in traditional mold release methods is solved, rapid mold release and cooling are achieved, and production efficiency is improved.

CN222727236UActive Publication Date: 2025-04-08ANHUI YISHUNKANG NEW MATERIALS TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421334189.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-04-08
Estimated Expiration
2034-06-12

AI Technical Summary

Technical Problem

The traditional bowl injection molding and demolding method is inconvenient, which increases the demolding time and affects the subsequent processing efficiency.

Method used

A mold frame for injection molding of bowl tools is designed, using a servo motor to drive the threaded rod to move the lower mold seat downward, and the formed bowl tools are cooled and demolded in combination with the heat dissipation structure.

Benefits of technology

It realizes convenient mold release, significantly reduces mold release time, and quickly cools the bowl through the heat dissipation structure, improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a mold frame for bowl injection molding, comprising a mold frame body, both sides of the inner cavity of the mold frame body are fixedly connected with guide rods, the upper side and the lower side of the surface of the guide rod are respectively slidably connected with an upper mold base and a lower mold base, the top of the mold frame body is fixedly connected with an electric cylinder, the telescopic end of the electric cylinder is fixedly connected with the top of the upper mold base, and the top of the upper mold base is connected with an injection molding pipe. After the injection molding of the utility model is completed, the threaded rod is driven to rotate by a servo motor, so that the threaded sleeve is threadedly rotated on the outer surface of the threaded rod, thereby driving the lower mold base to move downward, and at the same time, the lower mold base slides on the outer surface of the support column through the sleeve, so that the lower mold base and the injection molded bowl form a relative downward movement, so that the support plate supports the molded bowl, and then the bowl leaves the molding hole, and after the bowl is lifted, the heat dissipation structure is used to dissipate the heat of the bowl to make it cool quickly.
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Description

Technical Field

[0001] The utility model belongs to the technical field of tableware injection molding equipment, in particular to a mold frame for bowl injection molding. Background Art

[0002] Tableware generally needs to be injection molded by injection molding equipment. It is necessary to select the corresponding mold and connect it to the injection molding equipment through the injection molding tube, input the injection liquid into the corresponding mold hole, and after injection molding, use the clamp tool to clamp the injection molded tableware out.

[0003] However, the traditional method of clamping and demoulding is inconvenient to remove, which increases the demoulding time and thus increases the working hours for subsequent processing. Therefore, we propose a mold frame for bowl injection molding that is easy to demould to solve the above-mentioned shortcomings. Utility Model Content

[0004] The utility model aims to provide a mold frame for bowl injection molding, which is convenient for demoulding and reduces the demoulding time, so as to solve the above-mentioned background technical problems.

[0005] The utility model solves the above-mentioned technical problem with the following technical solutions: a bowl injection mold frame, comprising a mold frame body, both sides of the inner cavity of the mold frame body are fixedly connected to guide rods, the upper and lower sides of the guide rod surface are respectively slidably connected to an upper mold base and a lower mold base, the top of the mold frame body is fixedly connected to an electric cylinder, the telescopic end of the electric cylinder is fixedly connected to the top of the upper mold base, the top of the upper mold base is connected to an injection tube, the top of the lower mold base is provided with a molding hole, the bottom of the front side of the mold frame body is fixedly connected to a servo motor, and the output end of the servo motor is fixedly connected to the top of the mold frame body. A threaded rod is connected, and a threaded sleeve is threadedly connected to the surface of the threaded rod, and the back of the threaded sleeve is fixedly connected to the bottom of the front side of the lower mold base, and a support column is fixedly connected to the bottom of the inner cavity of the mold frame body, and the top of the support column passes through the lower mold base and extends to the bottom of the forming hole, and is fixedly connected to a support plate, and a sealing ring is bonded to the surface of the support plate, and a sleeve is embedded and fixedly connected to the inside of the lower mold base and the connection with the bottom of the forming hole, and the inner surface of the sleeve is slidably connected to the outer surface of the support column, and heat dissipation structures are arranged on both sides of the mold frame body through fixed plates.

[0006] Preferably, the heat dissipation structure comprises a rotating motor fixedly connected to the outside of the fixing plate, and the output end of the rotating motor passes through the fixing plate and is fixedly connected with a blade.

[0007] Preferably, the blades are designed to be staggered left and right.

[0008] Preferably, there are multiple injection molding tubes, and the multiple injection molding tubes can be connected to the injection molding equipment.

[0009] Preferably, a limiting block for limiting the position of the threaded sleeve block is fixedly connected to the top of the threaded rod.

[0010] Preferably, the surface of the sealing ring is in close contact with the bottom of the inner wall of the forming hole when the support plate is in the initial position.

[0011] 1. The beneficial effect of the utility model is that after the injection molding of the utility model is completed, the threaded rod is driven to rotate by the servo motor, so that the threaded sleeve is threadedly rotated on the outer surface of the threaded rod, thereby driving the lower mold base to move downward, and at the same time, the lower mold base slides on the outer surface of the support column through the sleeve, so that the lower mold base and the injection-molded bowl form a relative downward movement, so that the support plate supports the molded bowl, and then the bowl leaves the molding hole. At the same time, after the bowl is lifted up, the heat dissipation structure is used to dissipate the heat of the bowl to make it cool quickly. By setting the above structure, convenient demoulding can be achieved and the demoulding time is reduced.

[0012] 2. The utility model can cool and dissipate the heat of the formed bowl by arranging a rotary motor to drive the blades to rotate, and also facilitate demoulding.

[0013] 3. The utility model sets a limit block for limiting the position of the threaded sleeve fixedly connected to the top of the threaded rod, so as to limit the movement of the threaded sleeve and thus limit the upward movement of the lower die seat.

[0014] 4. The utility model sets the surface of the sealing ring to fit tightly with the bottom of the inner wall of the molding hole when the support plate is in the initial position, so that the injection liquid can be molded inside the molding hole to avoid a large gap between the bottom of the inner surface of the molding hole and the support plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] in:

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 It is a partial cross-sectional view of the front view structure of the utility model;

[0018] Figure 3 It is a partial enlarged view of point A of the utility model;

[0019] Figure 4 It is a front view of the initial position of the structure of the utility model.

[0020] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0021] 1. Mold frame; 2. Guide rod; 3. Upper mold base; 4. Lower mold base; 5. Electric cylinder; 6. Injection tube; 7. Molding hole; 8. Servo motor; 9. Threaded sleeve; 10. Threaded rod; 11. Support column; 12. Sleeve; 13. Support plate; 14. Sealing ring; 15. Limit block; 16. Rotating motor; 17. Blade. DETAILED DESCRIPTION

[0022] Hereinafter, an embodiment of a mold frame for bowl injection molding of the present invention will be described with reference to the accompanying drawings.

[0023] Embodiment 1:

[0024] Figure 1-4A mold frame for bowl injection molding according to an embodiment of the utility model is shown, comprising a mold frame body 1, both sides of the inner cavity of the mold frame body 1 are fixedly connected with guide rods 2, the upper and lower sides of the surface of the guide rods 2 are slidably connected with an upper mold base 3 and a lower mold base 4, the top of the mold frame body 1 is fixedly connected with an electric cylinder 5, the telescopic end of the electric cylinder 5 is fixedly connected with the top of the upper mold base 3, the top of the upper mold base 3 is connected with an injection molding tube 6, the number of injection molding tubes 6 is multiple, and the multiple injection molding tubes 6 can be connected with the injection molding equipment, the top of the lower mold base 4 is provided with a molding hole 7, the bottom of the front side of the mold frame body 1 is fixedly connected with a servo motor 8, and the output end of the servo motor 8 is fixedly connected to the bottom of the front side of the mold frame body 1. A threaded rod 10 is connected, and a limit block 15 for limiting the threaded sleeve block 9 is fixedly connected to the top of the threaded rod 10. By setting the limit block 15 for limiting the threaded sleeve block 9 on the top of the threaded rod 10, the movement of the threaded sleeve block 9 can be limited, thereby also limiting the upward movement of the lower mold base 4. The surface of the threaded rod 10 is threadedly connected with the threaded sleeve block 9, and the back of the threaded sleeve block 9 is fixedly connected to the bottom of the front of the lower mold base 4. The bottom of the inner cavity of the mold frame body 1 is fixedly connected with a support column 11, and the top of the support column 11 passes through the lower mold base 4 and extends to the bottom of the forming hole 7, and is fixedly connected with a support plate 13, which supports A sealing ring 14 is bonded to the surface of the support plate 13. The surface of the sealing ring 14 is tightly fitted with the bottom of the inner surface wall of the forming hole 7 when the support plate 13 is in the initial position. By setting the surface of the sealing ring 14 to be tightly fitted with the bottom of the inner surface wall of the forming hole 7 when the support plate 13 is in the initial position, the injection liquid can be molded inside the forming hole 7 to avoid a large gap between the bottom of the inner surface of the forming hole 7 and the support plate 13. A sleeve 12 is embedded and fixedly connected to the inside of the lower mold base 4 and the connection with the bottom of the forming hole 7. The inner surface of the sleeve 12 is slidably connected to the outer surface of the support column 11. The two sides of the mold frame body 1 are provided with Heat dissipation structure, after injection molding is completed, the threaded rod 10 is driven to rotate by the servo motor 8, so that the threaded sleeve 9 is threadedly rotated on the outer surface of the threaded rod 10, thereby driving the lower mold base 4 to move downward, and at the same time, the lower mold base 4 slides on the outer surface of the support column 11 through the sleeve 12, so that the lower mold base 4 and the injection-molded bowl form a relative downward movement, and then the support plate 13 lifts the molded bowl, and then the bowl leaves the molding hole 7. At the same time, after the bowl is lifted up, the heat dissipation structure is used to dissipate the heat of the bowl to make it cool quickly. By setting the above structure, convenient demolding can be achieved and the demolding time is reduced.

[0025] Embodiment 2:

[0026] Figure 1-4A mold frame for bowl injection molding of an embodiment of the utility model is shown, comprising a mold frame body 1, guide rods 2 are fixedly connected to both sides of the inner cavity of the mold frame body 1, an upper mold base 3 and a lower mold base 4 are slidably connected to the upper and lower sides of the surface of the guide rod 2, respectively, an electric cylinder 5 is fixedly connected to the top of the mold frame body 1, the telescopic end of the electric cylinder 5 is fixedly connected to the top of the upper mold base 3, an injection tube 6 is connected to the top of the upper mold base 3, a molding hole 7 is opened on the top of the lower mold base 4, a servo motor 8 is fixedly connected to the bottom of the front side of the mold frame body 1, a threaded rod 10 is fixedly connected to the output end of the servo motor 8, a threaded sleeve block 9 is threadedly connected to the surface of the threaded rod 10, the back of the threaded sleeve block 9 is fixedly connected to the bottom of the front side of the lower mold base 4, and the bottom of the inner cavity of the mold frame body 1 is fixedly A support column 11 is connected, the top of the support column 11 passes through the lower mold base 4 and extends to the bottom of the forming hole 7, and is fixedly connected to a support plate 13. A sealing ring 14 is bonded to the surface of the support plate 13. A sleeve 12 is embedded and fixedly connected to the inside of the lower mold base 4 and the connection with the bottom of the forming hole 7. The inner surface of the sleeve 12 is slidably connected to the outer surface of the support column 11. A heat dissipation structure is provided on both sides of the mold frame 1 through a fixed plate. The heat dissipation structure includes a rotating motor 16 fixedly connected to the outer side of the fixed plate. The output end of the rotating motor 16 passes through the fixed plate and is fixedly connected to a blade 17. The blade 17 is designed to be staggered left and right. By arranging the rotating motor 16 to drive the blade 17 to rotate, the formed bowl can be cooled and dissipated, and demolding is also convenient.

[0027] Working principle: When the utility model is used, the upper mold base 3 is driven by the electric cylinder 5 to move downward on the surface of the guide rod 2, so that the upper mold base 3 and the lower mold base 4 are fitted together. After the fitting is completed, the injection liquid is injected through the injection tube 6, and then the molding is carried out through the molding hole 7. After the injection molding is completed, the threaded rod 10 is driven to rotate by the servo motor 8, so that the threaded sleeve 9 is threadedly rotated on the outer surface of the threaded rod 10, thereby driving the lower mold base 4 to move downward. At the same time, the lower mold base 4 slides on the outer surface of the support column 11 through the sleeve 12, so that the lower mold base 4 and the injection molded bowl form a relative downward movement, so that the support plate 13 supports the molded bowl, and then the bowl leaves the molding hole 7. At the same time, after the bowl is lifted up, the rotating motor 16 is set to drive the blade 17 to rotate, so that the molded bowl can be cooled and dissipated. By setting the above structure, convenient demoulding can be achieved and the demoulding time is reduced.

Claims

1. A mold frame for bowl injection molding, comprising a mold frame body (1), both sides of the inner cavity of the mold frame body (1) are fixedly connected with guide rods (2), the upper side and the lower side of the surface of the guide rod (2) are slidably connected with an upper mold base (3) and a lower mold base (4), the top of the mold frame body (1) is fixedly connected with an electric cylinder (5), the telescopic end of the electric cylinder (5) is fixedly connected with the top of the upper mold base (3), and the top of the upper mold base (3) is connected with an injection tube (6), characterized in that: The top of the lower die base (4) is provided with a forming hole (7); the bottom of the front side of the die frame (1) is fixedly connected to a servo motor (8); the output end of the servo motor (8) is fixedly connected to a threaded rod (10); the surface of the threaded rod (10) is threadedly connected to a threaded sleeve (9); the back of the threaded sleeve (9) is fixedly connected to the bottom of the front side of the lower die base (4); the bottom of the inner cavity of the die frame (1) is fixedly connected to a support column (11); the top of the support column (11) passes through the lower die base (4) and extends to the bottom of the forming hole (7), and is fixedly connected to a support plate (13); a sealing ring (14) is bonded to the surface of the support plate (13); a sleeve (12) is embedded and fixedly connected to the inside of the lower die base (4) and the connection with the bottom of the forming hole (7); the inner surface of the sleeve (12) is slidably connected to the outer surface of the support column (11); and heat dissipation structures are provided on both sides of the die frame (1) through fixed plates.

2. A bowl injection mold according to claim 1, characterized in that: The heat dissipation structure comprises a rotating motor (16) fixedly connected to the outside of a fixing plate, wherein an output end of the rotating motor (16) passes through the fixing plate and is fixedly connected to a blade (17).

3. A bowl injection mold according to claim 2, characterized in that: The blades (17) are designed to be staggered left and right.

4. A bowl injection mold according to claim 1, characterized in that: The number of the injection molding tubes (6) is multiple, and the multiple injection molding tubes (6) can be connected to the injection molding equipment.

5. A bowl injection mold according to claim 4, characterized in that: A limiting block (15) for limiting the position of the threaded sleeve block (9) is fixedly connected to the top of the threaded rod (10).

6. The mold frame for bowl injection molding according to claim 1, characterized in that: The surface of the sealing ring (14) is tightly fitted to the bottom of the inner wall of the forming hole (7) when the support plate (13) is in the initial position.