Refrigerator liner adsorption mold mechanism with forced demolding function

The refrigerator liner adsorption mold mechanism, designed with vacuum adsorption and a rotating dual-mold cover, solves the problems of demolding adhesion and local stress concentration in the traditional demolding process, realizing an efficient and stable integrated molding and demolding process, and improving the production efficiency and quality of the refrigerator liner.

CN224028362UActive Publication Date: 2026-03-24CHUZHOU BOJING MOULD & EQUIP MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-17
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Traditional refrigerator liner adsorption molds suffer from problems such as sticking during demolding, localized stress concentration, difficulty in molding deep cavity structures, and cumbersome demolding steps, which affect molding efficiency and quality.

Method used

Vacuum adsorption is used to replace the traditional ejection mechanism. Combined with a rotary double mold cover design and a turntable for quick switching between molding and demolding stations, an integrated heat pipe cooling system is used. The spring elastic mold closing and annular guide rail stabilization mechanism realize an integrated process of molding-cooling-demolding.

Benefits of technology

Significantly improves demolding quality, avoids deformation damage to the thin-walled inner liner caused by physical ejection, greatly shortens the production cycle, increases yield and operational stability, and reduces manual intervention.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a refrigerator liner adsorption mould mechanism with a forced demoulding function, which comprises a forming table, a bracket, an adsorption forced demoulding mechanism, a closed forming mechanism and a cooling mechanism, the bracket is fixedly arranged in the middle of the forming table, a mould main body is fixedly arranged on one side of the forming table, a turntable is rotatably arranged below the bracket, and a motor is fixedly arranged in the middle of the upper part of the bracket; a first vacuum pump is fixedly arranged on one side of the rotating disc, a suction cup is fixedly arranged at the bottom of the demolding cover in a surrounding mode, a stabilizing mechanism is arranged above the rotating disc, a closed forming mechanism is arranged on the other side of the rotating disc, and a cooling mechanism is arranged outside the mold body; a traditional ejection mechanism is replaced by vacuum adsorption, deformation damage of physical ejection to a thin-wall refrigerator inner container is avoided, demolding quality is remarkably improved, mold closing precision and running stability are guaranteed through spring elastic mold closing and an annular guide rail stabilizing mechanism, and the mold has the advantages of being efficient, capable of saving energy, stable in operation and high in finished product rate.
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Description

TECHNICAL FIELD

[0001] The utility model relates to refrigerator production technical field especially, relate to a kind of refrigerator inner container adsorption mould mechanism with strong function of removing. BACKGROUND

[0002] Refrigerator inner container adsorption mould is the key production process in refrigerator manufacturing, mainly used for processing thermoplastic plastic sheet into inner container component of complex cavity structure by vacuum adsorption forming technology. Traditional technology relies on the combination of vacuum adsorption and heating softening material on the surface of mould, which has the pain points of sticking during demoulding, local stress concentration, difficulty in forming deep cavity structure, and requires high precision of mould, uniformity of temperature and ductility of material. During the demoulding process of mould, strong removal usually refers to a method of forcibly removing products by mould structure design without traditional ejection mechanism. This may be because some products have complex shape and cannot use ejector pin or other ejection device, so it needs to rely on elastic deformation of mould or elasticity of material to realize demoulding.

[0003] In the utility model with application No. 202120108744.0, a refrigerator inner container adsorption foaming mould demoulding mechanism is disclosed. By inserting the butt joint pipe on one side of the external connecting pipe into the connecting pipe on one side of the threaded rod, rotating the threaded frame to move the threaded frame on the surface of the threaded rod through the thread, and then using the clamping bolt and the fixing ring for clamping, the external connecting pipe is connected with the threaded rod. The gap between the connecting pipe and the butt joint pipe is filled by the sealing rubber sheet, thereby realizing the installation and disassembly function of the device, improving the convenience of the device. The clamping seat is driven to stretch and retract by the electric telescopic rod, and then the clamping seat drives the rubber gasket to clamp the material, avoiding the material from shaking during demoulding. The rubber gasket itself avoids the material from being scratched during clamping, thereby realizing the clamping function of the device and improving the stability of the device. When blowing, the airflow passes through the inside of the air guide cavity to push the resistance block, and then the resistance block rises on the hole connecting rod. Subsequently, the connecting rod drives the reset spring to deform. When the blowing is finished, the reset function of the reset spring drives the resistance block to reset and block the outlet of the air guide cavity, avoiding foreign matter from entering the inside of the air guide cavity, thereby realizing the protection function of the device and improving the protection of the device.

[0004] However, the above-mentioned refrigerator inner container adsorption plastic foaming mould demoulding mechanism needs to transfer the material into the demoulding box for demoulding, and then transfer and take out after demoulding is completed, which makes the demoulding operation steps more complicated and easily affects the normal forming efficiency. The air blowing position of the air guide cavity in the above-mentioned refrigerator inner container adsorption plastic foaming mould is relatively single, which easily causes local stress concentration and affects the quality of refrigerator inner container. Therefore, the utility model proposes a refrigerator inner container adsorption mould mechanism with strong function of removing to solve the problems in the prior art. The utility model discloses a content

[0005] For above-mentioned problem, the utility model discloses a purpose in order to propose a kind of refrigerator liner adsorption mould mechanism with strong stripping function, which is replaced by traditional ejection mechanism by vacuum adsorption, avoids the deformation damage of physical ejection to thin-walled refrigerator liner, significantly improves stripping quality;Adopt the design of rotary double-mold cover to cooperate with carousel to switch forming and stripping station quickly, realize forming-cooling-stripping integrated process, greatly shorten production cycle;Integrate heat pipe cooling system to accelerate heat dissipation and set, spring elastic mold closing and annular guide rail stability mechanism ensure that mold closing precision and running stability, while simplifying equipment structure, reduce manual intervention, with the comprehensive advantages of high efficiency energy saving, stable operation, high yield.

[0006] To realize the utility model's purpose, the utility model realizes through following technical scheme: a kind of refrigerator liner adsorption mould mechanism with strong stripping function, including forming table, support, adsorption strong stripping mechanism, closed forming mechanism and cooling mechanism, the support is fixedly arranged on the middle of forming table, the mold body is fixedly arranged on one side of forming table, the adsorption strong stripping mechanism includes carousel, motor, spring, stripping cover, first vacuum pump, suction cup and stability mechanism, the carousel is rotatably arranged below the support, the motor is fixedly arranged on the middle of support top, the spring is fixedly arranged on the bottom of carousel both sides, the stripping cover is fixedly arranged at the lower end of one side spring, the first vacuum pump is fixedly arranged on one side of carousel, the suction cup is fixedly arranged on the bottom of stripping cover, the carousel top is equipped with stability mechanism, the carousel other side is equipped with closed forming mechanism, the mold body is externally equipped with cooling mechanism.

[0007] Further improvement lies in that: the motor output end is drivingly connected with carousel, the suction cup is in pipeline communication with first vacuum pump, and the stripping cover corresponds to the upper and lower positions of the mold body.

[0008] Further improvement lies in that: the stability mechanism includes annular guide rail, guide slot and auxiliary wheel, the annular guide rail is fixedly arranged above the support, the guide slot is formed in the bottom of annular guide rail, and the auxiliary wheel is rotatably arranged around the carousel top and is inserted into the guide slot to roll and limit.

[0009] Further improvement lies in that: the closed forming mechanism includes mold cover, exhaust pipe and on-off valve, the mold cover is fixedly arranged at the lower end of the other side spring, the exhaust pipe is in communication with the mold cover, and the on-off valve is fixedly arranged on the exhaust pipe.

[0010] Further improvement lies in that: the mold cover corresponds to the upper and lower positions of the mold body.

[0011] Further improvement lies in that the cooling mechanism comprises a cooling bin, a heat pipe and a water tank, the cooling bin is fixed around the outer side of the mold body, the heat pipe is fixed around the inner side of the cooling bin, the other side of the bottom of the forming table is provided with the water tank, and the lower end of the heat pipe is inserted into the water tank.

[0012] Further improvement lies in that the heat pipe is in thermal contact with the outer side of the mold body to absorb heat, and the lower end of the heat pipe is inserted into the water tank.

[0013] The utility model discloses the beneficial effects are: the utility model discloses a vacuum adsorption replaces traditional ejection mechanism, avoids the deformation damage of physical ejection to thin -walled refrigerator inner container, and significantly improves the demolding quality, adopts the design of rotary double -mode cover and is switched with the quick switching forming and demolding station of carousel, realizes forming-cooling-demolding integrated process, and the production cycle is shortened greatly, and the integrated heat pipe cooling system accelerates the heat dissipation and sets, and spring elasticity closes the mold and is with annular guide rail stability mechanism ensures the precision of closing the mold and the running stability, and the equipment structure is simplified simultaneously, and manual intervention is reduced, and has the comprehensive advantage of high -efficient energy -conserving, stable operation, high finished product rate. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is the whole main view of the utility model's demolding state section view;

[0015] Figure 2 It is the whole main view of the utility model's forming state section view;

[0016] Figure 3 It is the demolding cover of the utility model's bottom view;

[0017] Figure 4 It is the cooling bin of the utility model's main view section view.

[0018] Wherein: 1, forming table;2, support;3, mold body;4, carousel;5, motor;6, spring;7, demolding cover;8, first vacuum pump;9, suction cup;10, annular guide rail;11, guide groove;12, auxiliary wheel;13, mold cover;14, exhaust pipe;15, on-off valve;16, cooling bin;17, heat pipe;18, water tank. DETAILED DESCRIPTION

[0019] In order to deepen the understanding of the utility model, the utility model will be further described in the following embodiment, and the embodiment is only used for explaining the utility model, and does not constitute the limitation to the protection scope of the utility model.

[0020] According to Figure 1 , Figure 2 , Figure 3 , Figure 4As shown, the embodiment provides a refrigerator liner adsorption mold mechanism with strong stripping function, which comprises a forming table 1, a support 2, an adsorption strong stripping mechanism, a closed forming mechanism and a cooling mechanism. The support 2 is fixedly arranged in the middle of the forming table 1. The mold main body 3 is fixedly arranged on one side of the forming table 1. The adsorption strong stripping mechanism comprises a rotating disc 4, a motor 5, a spring 6, a stripping cover 7, a first vacuum pump 8, a suction cup 9 and a stabilizing mechanism. The rotating disc 4 is rotatably arranged below the support 2. The motor 5 is fixedly arranged above the support 2. The spring 6 is fixedly arranged on both sides of the bottom of the rotating disc 4. The stripping cover 7 is fixedly arranged at the lower end of one side of the spring 6. The first vacuum pump 8 is fixedly arranged on one side of the rotating disc 4. The suction cup 9 is fixedly arranged around the bottom of the stripping cover 7. The output end of the motor 5 is drivingly connected with the rotating disc 4. The suction cup 9 is in pipeline communication with the first vacuum pump 8. The stripping cover 7 corresponds in position to the mold main body 3 in position. When the refrigerator liner needs to be stripped after being adsorbed and formed in the mold main body 3, the rotating disc 4 is driven by the motor 5 to rotate the stripping cover 7 to above the mold main body 3. The stripping cover 7 is closed with the mold main body 3 by the elasticity of the spring 6. The first vacuum pump 8 is started to perform air extraction through the suction cup 9. The formed refrigerator liner is separated from the inner wall of the mold main body 3 by the change of air pressure to realize stable stripping without using an ejection mechanism. The stripping cover 7 is rotated by the rotating disc 4 driven by the motor 5 to realize quick switching between stripping and forming modes. The efficiency of liner forming and stripping is effectively improved. The rotating disc 4 is provided with the stabilizing mechanism above. The rotating disc 4 is provided with the closed forming mechanism on the other side. The mold main body 3 is provided with the cooling mechanism outside.

[0021] The stabilizing mechanism comprises an annular guide rail 10, a guide groove 11 and an auxiliary wheel 12. The annular guide rail 10 is fixedly arranged above the support 2. The guide groove 11 is arranged at the bottom of the annular guide rail 10. The auxiliary wheel 12 is rotatably arranged around the rotating disc 4. The auxiliary wheel 12 is inserted into the guide groove 11 to roll and be limited. When the rotating disc 4 rotates below the support 2, the auxiliary wheel 12 is driven to roll along the guide groove to keep the rotating disc 4 stable during rotation.

[0022] The closed forming mechanism comprises a mold cover 13, an exhaust pipe 14 and an on-off valve 15. The mold cover 13 is fixedly arranged at the lower end of the other side of the spring 6. The exhaust pipe 14 is in communication and arranged in the middle of the mold cover 13. The on-off valve 15 is fixedly arranged on the exhaust pipe 14. The mold cover 13 corresponds in position to the mold main body 3 in position. When the raw materials of the refrigerator liner are put into the mold main body 3, the mold cover 13 is rotated to above the mold main body 3 to close the mold. The raw materials are foamed and formed in the mold main body 3. At the same time, the on-off valve 15 is opened to make the gas generated by foaming discharged through the exhaust pipe 14.

[0023] The cooling mechanism comprises a cooling bin 16, a heat pipe 17 and a water tank 18, the cooling bin 16 is fixed around the outer side of the mold body 3, the heat pipe 17 is fixed around the inner side of the cooling bin 16, the water tank 18 is arranged on the other side of the bottom of the forming table 1, the lower end of the heat pipe 17 is inserted into the water tank 18, the heat pipe 17 is attached to the outer side of the mold body 3 to absorb heat, the lower end of the heat pipe 17 is inserted into the water tank 18, when the refrigerator liner is formed in the mold body 3, the heat is quickly absorbed by the heat pipe 17 and is transmitted to the water tank 18 to dissipate heat, the refrigerator liner is cooled and formed in the mold body 3, and the staff can take out the formed refrigerator liner after the suction cup 9 is demolded.

[0024] The refrigerator liner adsorption mold mechanism with the strong demolding function realizes efficient forming and demolding of the refrigerator liner through the integrated rotary double mold cover design: first, the foaming raw material is injected into the mold body, the mold cover of the sealing forming mechanism is closed, and the gas is discharged, and the raw material is foamed and formed in a closed environment; the cooling mechanism is started synchronously, the heat pipe attached to the mold is used to conduct heat to the water tank for heat dissipation, and the solidification of the liner is accelerated. When demolding, the motor drives the rotating disc to rotate, drives the demolding cover of the adsorption strong demolding mechanism to accurately cover the mold, the first vacuum pump generates negative pressure by air suction through the suction cup, so that the liner is separated from the mold, and damage to the thin-walled structure by the traditional ejection mechanism is avoided. The rotating disc stably rotates in combination with the annular guide rail, realizes rapid switching of the forming and demolding stations, cooperates with the spring elastic mold closing and the vacuum adsorption technology, and completes the whole process of forming-cooling-demolding in a single station, and significantly improves the production efficiency and demolding stability.

[0025] The basic principle, main features and advantages of the utility model are shown and described. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A refrigerator liner adsorption mold mechanism with strong detachment function, characterized in that: The mold includes a forming platform (1), a support (2), an adsorption and strong release mechanism, a closed forming mechanism, and a cooling mechanism. The support (2) is fixedly installed in the middle of the forming platform (1), and the mold body (3) is fixedly installed on one side of the forming platform (1). The adsorption and strong release mechanism includes a turntable (4), a motor (5), a spring (6), a demolding cover (7), a first vacuum pump (8), a suction cup (9), and a stabilizing mechanism. The turntable (4) is rotatably installed below the support (2). The motor (5) is fixedly installed in the middle above the support (2). The springs (6) are fixedly installed around the bottom of the turntable (4) on both sides. The demolding cover (7) is fixedly installed at the lower end of one side of the spring (6). The first vacuum pump (8) is fixedly installed on one side of the turntable (4). The suction cup (9) is fixedly installed around the bottom of the demolding cover (7). The stabilizing mechanism is installed above the turntable (4). The closed forming mechanism is installed on the other side of the turntable (4). The cooling mechanism is installed outside the mold body (3).

2. The refrigerator liner adsorption mold mechanism with strong detachment function according to claim 1, characterized in that: The output end of the motor (5) is connected to the turntable (4) for driving. The suction cup (9) is connected to the first vacuum pump (8) through a pipe. The demolding cover (7) corresponds to the upper and lower positions of the mold body (3).

3. The refrigerator liner adsorption mold mechanism with strong detachment function according to claim 1, characterized in that: The stabilizing mechanism includes an annular guide rail (10), a guide groove (11), and an auxiliary wheel (12). The annular guide rail (10) is fixedly provided above the bracket (2). The guide groove (11) is provided at the bottom of the annular guide rail (10). The auxiliary wheel (12) is provided around the turntable (4) and is inserted into the guide groove (11) for rolling and limiting.

4. The refrigerator liner adsorption mold mechanism with strong detachment function according to claim 1, characterized in that: The closed forming mechanism includes a mold cover (13), an exhaust pipe (14) and an on / off valve (15). On the other side, the lower end of the spring (6) is fixedly provided with a mold cover (13). An exhaust pipe (14) is connected in the middle of the mold cover (13), and an on / off valve (15) is fixedly provided on the exhaust pipe (14).

5. The refrigerator liner adsorption mold mechanism with strong detachment function according to claim 4, characterized in that: The mold cover (13) corresponds to the mold body (3) in the upper and lower positions.

6. The refrigerator liner adsorption mold mechanism with strong detachment function according to claim 1, characterized in that: The cooling mechanism includes a cooling chamber (16), a heat pipe (17) and a water tank (18). The cooling chamber (16) is fixedly arranged around the outside of the mold body (3), and the heat pipe (17) is fixedly arranged around the inside of the cooling chamber (16). The water tank (18) is provided on the other side of the bottom of the molding table (1).

7. The refrigerator liner adsorption mold mechanism with strong detachment function according to claim 6, characterized in that: The heat pipe (17) is attached to the outside of the mold body (3) to absorb heat, and the lower end of the heat pipe (17) is inserted into the water tank (18).

Citation Information

Patent Citations

  • Demolding mechanism for plastic-absorbing foaming mold of refrigerator liner

    CN214562288U