Automatic auxiliary container pressing device for foaming of annular door

By designing an automatic auxiliary gas pressure device for foaming on the annular door, the automatic pressing of the inner liner is achieved using structures such as rollers and swing frames, which solves the problems of high labor intensity and low efficiency caused by manual pressing, and improves the efficiency of gas foaming on the refrigerator door.

CN223252184UActive Publication Date: 2025-08-22ANHUI KINGPOWER EQUIP & MOLD MFR
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Patent Information

Application Number
CN202521531438.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-22
Publication Date
2025-08-22
Estimated Expiration
2035-07-22

AI Technical Summary

Technical Problem

During the foaming process of existing refrigerator doors, the way the inner liner is pressed into the door case mainly depends on manual operation, resulting in high labor intensity and low efficiency.

Method used

A ring door foam automatic auxiliary gas pressure device is designed, including a mold frame and gas pressure assembly, and the gas pressure assembly is used to realize automatic pressing of the inner vessel by means of structures such as rollers and swing frames, reducing manual operation strength and improving foaming efficiency.

Benefits of technology

Through the automatic gallbladder pressing device, manual operation is reduced, the inner liner installation efficiency is improved, labor intensity is reduced, and the overall efficiency of the foaming process is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an automatic auxiliary liner pressing device for foaming of an annular door, which comprises a mould frame used for placing a door shell on the mould frame, and a liner pressing assembly used for carrying out liner pressing treatment on a liner and connecting the liner with the door shell in a sealing manner for foaming, the liner pressing assembly comprises a roller, and the roller rolls on the surface of the liner to apply pressure to the liner and is used for installing the liner in the door shell. According to the automatic auxiliary liner pressing device for foaming of the annular door, the liner pressing assembly is arranged on the surface of the mold frame, the door shell is manually placed on the surface of the mold frame, then the liner is placed on the door shell, the liner is pressed to the door shell through the liner pressing assembly, and then the liner is filled with materials and foamed, so that automatic auxiliary liner pressing of the liner is achieved; the refrigerator liner pressing device is simple in structure, does not need manual liner pressing, reduces the labor intensity of workers, improves the foaming efficiency, is suitable for refrigerators of different models, and improves the applicability.
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Description

Technical Field

[0001] The utility model relates to the technical field of door foaming, in particular to an annular door foaming automatic auxiliary bladder pressing device. Background Art

[0002] The refrigerator door foaming line is a special equipment line used for the production of door insulation layer during the refrigerator manufacturing process. It injects polyurethane foam between the outer shell and the inner liner of the refrigerator door, and forms an insulation layer after curing, so that the door has both structural rigidity and thermal insulation performance. Through the application of high-strength, low thermal conductivity foaming technology, it meets the needs of refrigerator energy efficiency improvement and environmental protection transformation.

[0003] The refrigerator door foaming method is to place the refrigerator door shell on the mold frame of the foaming production line, then place the inner liner in the door shell, and then fill the space between the door shell and the inner liner with foaming material. During the foaming process, the foaming material will adhere the door shell and the inner liner together to complete the foaming of the refrigerator door. Before the refrigerator door is foamed, the inner liner needs to be processed and pressed into the door shell. The existing liner pressing method generally involves manually patting the inner liner into the door shell one by one. This method increases the labor intensity of the staff and reduces the efficiency of pressing the liner, thereby reducing the efficiency of foaming. Utility Model Content

[0004] The purpose of the utility model is to provide a circular door foaming automatic auxiliary bladder pressing device to solve the above-mentioned shortcomings in the prior art.

[0005] In order to achieve the above-mentioned object, the present invention provides the following technical solutions: comprising a mold frame for placing a door shell on the mold frame, and a liner pressing assembly for pressing the liner and sealing the liner to the door shell for foaming;

[0006] The liner pressing assembly includes a roller, which rolls on the surface of the liner to apply pressure to the liner, so as to install the liner in the door shell.

[0007] As a further description of the above technical solution:

[0008] The mold further comprises a first column and a second column, wherein the first column and the second column are both fixedly arranged on the mold frame, and the bladder pressure component is arranged on the first column and the second column.

[0009] As a further description of the above technical solution:

[0010] A plurality of hinges are fixedly installed on the outside of the second column, a swing frame is rotatably arranged on the hinge, and the roller is rotatably arranged on the end of the swing frame.

[0011] As a further description of the above technical solution:

[0012] A plurality of hinges are fixedly installed on the outside of the second column, a swing frame is rotatably arranged on the hinge, and the roller is rotatably arranged on the end of the swing frame.

[0013] As a further description of the above technical solution:

[0014] The first column is externally rotatably connected to a guide rod, and the guide rod is rotatably connected to two adjacent swing frames.

[0015] As a further description of the above technical solution:

[0016] The drum outer cover is provided with fitting cotton.

[0017] As a further description of the above technical solution:

[0018] The moving direction of the inner container is from the second column to the first column.

[0019] In the above technical solution, the annular door foaming automatic auxiliary gallbladder pressing device provided by the present invention has the beneficial effects of:

[0020] The utility model provides auxiliary compression of the inner liner by arranging the liner pressing component on the surface of the mold frame, manually placing the door shell on the surface of the mold frame, and then placing the inner liner on the door shell. The inner liner is pressed onto the door shell by the liner pressing component, and then filled and foamed. This eliminates the need for manual compression of the inner liner, reduces the labor intensity of the staff, and improves the efficiency of foaming.

[0021] It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

[0022] This application document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0024] Figure 1 A schematic diagram of a partial structure provided for an embodiment of the present utility model;

[0025] Figure 2 A schematic structural diagram of a bladder pressure assembly provided in an embodiment of the present invention;

[0026] Figure 3A schematic top view of the structure of the bladder pressure assembly provided in an embodiment of the present utility model;

[0027] Figure 4 This is a schematic structural diagram of a bladder compression assembly provided in an embodiment of the present invention.

[0028] Description of reference numerals:

[0029] 1. Mold frame; 2. First column; 3. Second column; 4. Cylinder; 5. Guide rod; 6. Hinge; 7. Swing frame; 8. Roller; 9. Laminating cotton. DETAILED DESCRIPTION

[0030] To make the purpose, technical solutions, and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, not all of the embodiments. Based on the described embodiments of the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0031] See also Figures 1-4 The present embodiment provides an automatic auxiliary liner pressing device for annular door foaming, comprising a mold frame 1, which is used to place the door shell on the mold frame 1, and also comprising a liner pressing component, which is used to press the inner liner and seal the inner liner to the door shell for foaming; the liner pressing component comprises a roller 8, which rolls on the surface of the inner liner to apply pressure to the inner liner. The pneumatic vertical pressing distance of the roller 8 is about 55 mm, which is used to install the inner liner in the door shell; by arranging the liner pressing component on the surface of the mold frame 1, manually placing the door shell on the surface of the mold frame 1, and then placing the inner liner on the door shell, the inner liner is pressed onto the door shell by the liner pressing component, and then it is filled and foamed, thereby realizing auxiliary liner pressing of the inner liner, without the need for manual liner pressing, reducing the labor intensity of the staff and improving the efficiency of foaming.

[0032] The present invention further provides an embodiment, further comprising a first column 2 and a second column 3 , wherein the first column 2 and the second column 3 are both fixedly disposed on the mold frame 1 , and the bladder pressure assembly is disposed on the first column 2 and the second column 3 .

[0033] In an embodiment further provided by the present invention, a plurality of hinges 6 are fixedly installed on the outside of the second column 3, a swing frame 7 is rotatably provided on the hinge 6, and the roller 8 is rotatably provided at the end of the swing frame 7. The swing frame 7 is inclined relative to the mold frame 1. When the inner liner moves to the roller 8, it is convenient to move the inner liner between the mold frame 1 and the roller 8 to avoid collision with the inner liner.

[0034] In an embodiment further provided by the present invention, a plurality of cylinders 4 are rotatably provided on the outside of the first column 2, and the telescopic ends of the cylinders 4 are rotatably connected to the swing frame 7. The parameters of the cylinders 4 are adjustable to be suitable for refrigerator doors of different shapes and sizes, thereby increasing practicality. The stroke of the cylinders 4 is 75 mm.

[0035] In an embodiment further provided by the present invention, the first upright column 2 is externally rotatably connected to a guide rod 5 , and the guide rod 5 is rotatably connected to two adjacent swing frames 7 .

[0036] In the embodiment provided by the present invention, the outer cover of the drum 8 is provided with a bonding cotton 9. By providing the bonding cotton 9, the elasticity between the drum 8 and the inner container is increased to avoid rigid contact.

[0037] In the solution further provided by the present invention, the movement direction of the inner container is from the second column 3 to the first column 2. The swing frame 7 ensures that the roller 8 fits the inner container during the movement of the inner container and adapts to inner containers of different sizes.

[0038] Working principle: Install the first column 2 and the second column 3 at the liner pressing part of the mold frame 1, then place the door shell on the mold frame 1, and then place the inner liner on the door shell. The movement of the inner liner makes the inner liner move on the surface of the roller 8, and the cylinder 4 and the swing frame 7 drive the inner liner to move into the door shell to ensure that the inner liner is installed on the door shell, realizing automatic liner pressing of the inner liner without manual liner pressing.

[0039] The above description is merely illustrative of certain exemplary embodiments of the present invention. It goes without saying that those skilled in the art will be able to modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. An automatic auxiliary compression device for annular door foaming, comprising a mold frame (1), which is used to place a door shell on the mold frame (1), and is characterized by: It also includes a liner pressing component, which is used to press the liner and seal the liner to the door shell for foaming; The liner pressing assembly comprises a roller (8), which rolls on the surface of the liner to apply pressure to the liner, and is used to install the liner in the door shell.

2. The ring-shaped door foaming automatic auxiliary gallbladder pressing device according to claim 1, characterized in that: It also includes a first column (2) and a second column (3), wherein the first column (2) and the second column (3) are both fixedly arranged on the mold frame (1), and the bladder pressure component is arranged on the first column (2) and the second column (3).

3. The ring-shaped door foaming automatic auxiliary gallbladder pressing device according to claim 2, characterized in that: A plurality of hinges (6) are fixedly mounted on the outside of the second column (3), a swing frame (7) is rotatably mounted on the hinge (6), and the roller (8) is rotatably mounted on the end of the swing frame (7).

4. The ring-shaped door foaming automatic auxiliary gallbladder pressing device according to claim 3, characterized in that: A plurality of cylinders (4) are rotatably provided on the outside of the first upright column (2), and the telescopic ends of the cylinders (4) are rotatably connected to the swing frame (7).

5. The ring-shaped door foaming automatic auxiliary gallbladder pressing device according to claim 3, characterized in that: The first upright column (2) is externally rotatably connected to a guide rod (5), and the guide rod (5) is rotatably connected to two adjacent swing frames (7).

6. The ring-shaped door foaming automatic auxiliary gallbladder pressing device according to claim 1, characterized in that: The outer cover of the roller (8) is provided with a fitting cotton (9).

7. The ring-shaped door foaming automatic auxiliary gallbladder pressing device according to claim 2, characterized in that: The moving direction of the inner container is from the second column (3) to the first column (2).