Demoulding device for plastic lunch box processing

Abstract

The utility model relates to the technical field of molds, in particular to a demolding device for processing a plastic lunch box. The demolding device for plastic lunch box processing comprises a shell, the interior of the shell is fixedly connected with a forming mold through bolts, one side of the shell is movably connected with a connecting plate, the top end of the inner side of the connecting plate is fixedly connected with a fixing plate, and a hydraulic push rod is installed below the fixing plate; the output end of the hydraulic push rod is in threaded connection with a pressurizing block, an electric push rod is installed at the bottom end of the shell, the output end of the electric push rod is fixedly connected with a fixing column, and an adjustable anti-falling support is arranged at the bottom end of the shell. The demoulding device for processing the plastic lunch box has the advantages of being capable of automatically jacking and demoulding, stable and adjustable in working height.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a demoulding device for processing plastic lunch boxes. Background Art

[0002] Plastic lunch boxes have become the primary material for fast food containers due to their low toxicity, high melting point, excellent plasticity, simple production process, and relatively low cost. Plastic lunch box production typically requires the use of blister molding equipment. Existing blister molding machines work by attaching the raw material to a mold, heating it to its softening temperature using a heating plate, and then using a vacuum pump to remove the air between the mold and the raw material, allowing the raw material to be formed according to the mold's contours. However, after cooling, the fast food box fits tightly inside the mold, making it difficult for workers to remove the mold, making it difficult to remove the finished fast food box.

[0003] Therefore, be necessary to provide a kind of new plastic lunch box processing stripping device to solve the problems of the technologies described above. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a demoulding device for processing plastic lunch boxes, which can automatically lift and demould, and has a stable and adjustable working height.

[0005] The demoulding device for processing plastic lunch boxes provided by the utility model comprises: a shell, the interior of the shell is fixedly connected to a forming mold by bolts, a connecting plate is movably connected to one side of the shell, the top end of the inner side of the connecting plate is fixedly connected to a fixing plate, a hydraulic push rod is installed below the fixing plate, the output end of the hydraulic push rod is threadedly connected to a pressure block, an electric push rod is installed at the bottom end of the shell, the output end of the electric push rod is fixedly connected to a fixing column, and an adjustable anti-fall bracket is provided at the bottom end of the shell.

[0006] Preferably, a circular hole is provided at the bottom end of the forming mold, trapezoidal blocks are fixedly connected to both sides of the forming mold, a groove is provided on the inner side of the shell, the cross-sectional shape of the groove is the same as the cross-sectional shape of the trapezoidal block, and the trapezoidal block and the groove form a mortise and tenon structure.

[0007] Preferably, a connecting rod is fixedly connected to the lower inner side of the connecting plate, one end of the connecting rod is fixedly connected to a square rod, and pulleys are installed at both ends of the square rod.

[0008] Preferably, a slide groove is provided on one side of the housing, the side surface of the pulley fits into the inner side of the slide groove, and the pulley and the slide groove form a sliding connection.

[0009] Preferably, the adjustable anti-fall bracket includes a square column, which is fixedly connected to the bottom end of the shell, and the inside of the square column is movably connected to a threaded column, the side of the threaded column is threadedly connected to a nut, one end of the threaded column is fixedly connected to a support base, and the bottom end of the support base is provided with an anti-slip pad.

[0010] Preferably, the overall shape of the support base is a right step platform, and the material of the anti-slip pad is rubber.

[0011] Compared with the related art, the demoulding device for plastic lunch box processing provided by the present invention has the following advantages:

[0012] Beneficial effects:

[0013] 1. The utility model provides a demoulding device for processing plastic lunch boxes. The electric push rod pushes the fixed column to automatically push out the lunch box formed inside the molding mold. The pressure block assists in molding the lunch box, which can significantly reduce the time of manual intervention, shorten the production cycle of the lunch box, help improve the overall output, meet market demand, provide consistent demoulding force and speed, reduce the risk of defects caused by manual operation, thereby improving the yield and quality of the lunch box, and replace manual demoulding, reducing dependence on human resources, not only reducing labor costs, but also reducing operational errors caused by human factors, can reduce the risk of workers contacting hot molds and molded plastics, reduce the occurrence of work-related accidents, and improve the safety of the working environment.

[0014] 2. The utility model provides a demoulding device for processing plastic lunch boxes. The adjustable anti-fall bracket can effectively prevent the demoulding device from tilting or collapsing during operation, ensuring the stability of the equipment, thereby improving safety and reliability. At the same time, the operator can choose the most comfortable working height, reduce fatigue and discomfort, improve operating efficiency, make cleaning and maintenance of the equipment more convenient, reduce operating difficulty, and improve work efficiency. The bracket position can be flexibly adjusted according to production needs, optimize the production line layout, save space, and improve the utilization rate of the working area. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic structural diagram of a preferred embodiment of a demoulding device for processing a plastic lunch box provided by the present invention;

[0016] Figure 2 for Figure 1 The schematic diagram of the structure of the automatic lifting and demoulding shown;

[0017] Figure 3 for Figure 1 The structural diagram of the adjustable anti-fall bracket shown;

[0018] Figure 4 for Figure 1 The schematic diagram of the overall external structure is shown.

[0019] Numbers in the figure: 1. Shell; 2. Molding mold; 3. Connecting plate; 4. Fixed plate; 5. Hydraulic push rod; 6. Pressure block; 7. Fixed column; 8. Electric push rod; 9. Adjustable anti-fall bracket; 10. Connecting rod; 11. Square rod; 12. Pulley; 13. Slide; 14. Trapezoidal block; 15. Groove; 16. Circular hole; 17. Square column; 18. Threaded column; 19. Nut; 20. Support base; 21. Anti-slip pad. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0021] The specific implementation of the present invention is described in detail below with reference to specific embodiments.

[0022] See also Figures 1 to 4 The present invention provides a demoulding device for processing a plastic lunch box, and the demoulding device for processing a plastic lunch box includes:

[0023] The shell 1 has a molding die 2 fixedly connected to the inside of the shell 1 by bolts, a connecting plate 3 is movably connected to one side of the shell 1, a fixing plate 4 is fixedly connected to the top end of the inner side of the connecting plate 3, a hydraulic push rod 5 is installed below the fixing plate 4, and a pressure block 6 is threadedly connected to the output end of the hydraulic push rod 5, an electric push rod 8 is installed at the bottom end of the shell 1, and a fixing column 7 is fixedly connected to the output end of the electric push rod 8, and an adjustable anti-fall bracket 9 is provided at the bottom end of the shell 1.

[0024] It should be noted that the pressure block 6 can be replaced according to usage requirements.

[0025] In the embodiments of the present invention, please refer to Figure 1 and Figure 2 A circular hole 16 is provided at the bottom end of the forming mold 2, and trapezoidal blocks 14 are fixedly connected to both sides of the forming mold 2. A groove 15 is provided on the inner side of the shell 1. The cross-sectional shape of the groove 15 is the same as that of the trapezoidal block 14, and the trapezoidal block 14 and the groove 15 form a mortise and tenon structure;

[0026] It should be noted that the trapezoidal block 14 is slidably connected inside the groove 15 .

[0027] In the embodiments of the present invention, please refer to Figure 1 and Figure 2A connecting rod 10 is fixedly connected to the lower inner side of the connecting plate 3, one end of the connecting rod 10 is fixedly connected to a square rod 11, and pulleys 12 are installed at both ends of the square rod 11;

[0028] It should be noted that the diameter of the pulley 12 is larger than the plane diagonal of the square rod 11 .

[0029] In the embodiments of the present invention, please refer to Figure 1 and Figure 2 A slide groove 13 is provided on one side of the housing 1, and the side surface of the pulley 12 fits in with the inner side of the slide groove 13, so that the pulley 12 and the slide groove 13 form a sliding connection;

[0030] It should be noted that the pulley 12 assists the movement of the connecting plate 3 .

[0031] In the embodiments of the present invention, please refer to Figure 3 and Figure 4 The adjustable anti-fall bracket 9 includes a square column 17, which is fixedly connected to the bottom end of the housing 1. A threaded column 18 is movably connected inside the square column 17. A nut 19 is threadedly connected to the side of the threaded column 18. One end of the threaded column 18 is fixedly connected to a support base 20. The bottom end of the support base 20 is provided with an anti-slip pad 21.

[0032] It should be noted that four square columns 17 are distributed at equal angles at the bottom end of the housing 1 .

[0033] In the embodiments of the present invention, please refer to Figure 3 and Figure 4 , the overall shape of the support base 20 is a positive step platform, and the material of the anti-slip pad 21 is rubber;

[0034] It should be noted that rubber is highly elastic and can quickly return to its original shape after force is applied. This makes it very effective in damping and absorbing shock, while also being highly resistant to wear and tear.

[0035] The working principle of the demolding device for plastic lunch box processing is as follows: a user pours material into the inside of the forming mold 2, and after the material cools, the electric push rod 8 lifts the formed lunch box upward through the fixing column 7, and at the same time, the hydraulic push rod 5 drives the pressing block 6 to assist the forming of the shape of the lunch box, the fixing column 7 passes through the circular hole 16 in the bottom wall of the forming mold 2, so that the formed lunch box is separated from the inner wall of the forming mold 2, and in the process of rising of the fixing column 7, the position of the connecting plate 3 will follow the rising, the square rod 11 is connected through the connecting rod 10 on the inner side of the connecting plate 3, the square rod 11 is assisted to slide on the inner side of the sliding groove 13 through the pulley 12 at both ends of the square rod 11, when it is necessary to maintain or replace the forming mold 2, the bolt at one end of the trapezoidal block 14 is removed, then the trapezoidal block 14 and the groove 15 are slidably connected, the forming mold 2 can be replaced, the adjustable anti-falling support 9 can prevent the device from falling during use, and the height can be adjusted, the square column 17 is driven to rise and fall through the threaded connection of the rotating nut 19 and the threaded column 18, because the square column 17 is fixedly connected with the bottom end of the shell 1, the contact area between the device and the ground can be increased through the shape of the supporting base 20, and the friction between the device and the ground can be further increased through the anti-skid pad 21.

[0036] The circuit and the control involved in the utility model are prior art, and too much description is not given here.

[0037] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion according to the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection range of the utility model.

Claims

1. A demoulding device for processing plastic lunch boxes, characterized in that: include: A shell (1) is provided, wherein the interior of the shell (1) is fixedly connected to a forming mold (2) by bolts, a connecting plate (3) is movably connected to one side of the shell (1), the top end of the inner side of the connecting plate (3) is fixedly connected to a fixing plate (4), a hydraulic push rod (5) is installed below the fixing plate (4), the output end of the hydraulic push rod (5) is threadedly connected to a pressure block (6), an electric push rod (8) is installed at the bottom end of the shell (1), the output end of the electric push rod (8) is fixedly connected to a fixing column (7), and an adjustable anti-fall bracket (9) is provided at the bottom end of the shell (1).

2. The demoulding device for processing a plastic lunch box according to claim 1, characterized in that: A circular hole (16) is provided at the bottom end of the forming mold (2), trapezoidal blocks (14) are fixedly connected to both sides of the forming mold (2), a groove (15) is provided on the inner side of the shell (1), the cross-sectional shape of the groove (15) is the same as the cross-sectional shape of the trapezoidal block (14), and the trapezoidal block (14) and the groove (15) form a mortise and tenon structure.

3. The demoulding device for processing a plastic lunch box according to claim 1, characterized in that: A connecting rod (10) is fixedly connected to the lower inner side of the connecting plate (3), one end of the connecting rod (10) is fixedly connected to a square rod (11), and pulleys (12) are installed at both ends of the square rod (11).

4. The demoulding device for processing a plastic lunch box according to claim 3, characterized in that: A sliding groove (13) is provided on one side of the housing (1), and the side surface of the pulley (12) is fitted with the inner side of the sliding groove (13), so that the pulley (12) and the sliding groove (13) form a sliding connection.

5. The demoulding device for processing a plastic lunch box according to claim 1, characterized in that: The adjustable anti-fall bracket (9) comprises a square column (17), the square column (17) is fixedly connected to the bottom end of the shell (1), the interior of the square column (17) is movably connected to a threaded column (18), the side of the threaded column (18) is threadedly connected to a nut (19), one end of the threaded column (18) is fixedly connected to a support base (20), and the bottom end of the support base (20) is provided with an anti-slip pad (21).

6. The demoulding device for processing a plastic lunch box according to claim 5, characterized in that: The overall shape of the support base (20) is a straight step platform, and the material of the anti-slip pad (21) is rubber.

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