Aluminum foil meal box film covering thermal shrinkage machine

Abstract

The utility model discloses an aluminum foil meal box film-covering thermal shrinkage machine, which effectively achieves the purpose of adapting to the thermal shrinkage of film-covering meal boxes with different sizes, and comprises a supporting shell, two conveying frames are fixedly connected in the supporting shell, a plurality of rotatable conveying shafts are arranged between the two conveying frames, and the conveying shafts are arranged on the supporting shell. The conveying shaft and the conveying frame are matched with each other to form an article conveying structure, three operation shells are arranged in the supporting shell, each operation shell is provided with a plurality of thermal shrinkage cylinders capable of moving in the radial direction of the corresponding operation shell, and a rotatable adjusting shaft is arranged in the supporting shell. The thermal shrinkage efficiency adjusting device has the advantages that the structure is novel, the conception is ingenious, the operation is simple and convenient, the operation of a worker is effectively facilitated, the function of adjusting the heating distance is added, the heat loss is reduced, and the working environment of the worker is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of film coating and heat shrinking machines, and relates to a film coating and heat shrinking machine for an aluminum foil lunch box. Background Art

[0002] Heat shrink machine, also known as shrink machine, heat shrink packaging machine, is one of the more advanced packaging methods in the market. The working principle of the shrink machine is to use the heat shrink film to change the irregular arrangement of atoms and molecules under the heat state. Under the heat radiation, the plastic molecules are rearranged tightly, so that the original area is greatly reduced and tightly attached to the surface of the product for packaging.

[0003] However, the height of existing heat shrink machines is generally fixed, and they cannot adapt to the use of objects of different heights, so that fewer objects can be heat-shrunk, especially for aluminum foil lunch boxes, which have different numbers and specifications of packaging groups and enter the heat shrink machine at different heights. Therefore, there is a need for an aluminum foil lunch box coating heat shrink machine that can adjust the height and evenly perform heat shrinkage operations on the coated lunch boxes to solve the above problems. Utility Model Content

[0004] In view of the above problems, the utility model proposes an aluminum foil lunch box laminating heat shrinking machine, which well solves the problems in the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is as follows:

[0006] A film-laminating heat shrinking machine for an aluminum foil lunch box comprises a supporting shell, wherein two conveying racks are fixedly connected to the inside of the supporting shell, a plurality of rotatable conveying shafts are arranged between the two conveying racks, the conveying shafts and the conveying racks cooperate with each other to form a structure for conveying articles, three working shells are arranged inside the supporting shell, each working shell is provided with a plurality of heat shrinking tubes which can move radially along the working shell, the heat shrinking tubes and the working shells cooperate with each other to form a structure suitable for use with articles of different sizes, a rotatable adjusting shaft is arranged inside the supporting shell, the adjusting shaft and the working shells cooperate with each other to form a structure with adjustable heat shrinking efficiency.

[0007] Preferably, each of the working shells is provided with two rotatable control panels inside, each control panel is provided with a plurality of control slots, and each of the heat shrink tubes is fixedly connected to a control block on both sides of the front and rear, and the control block and the control slot cooperate with each other to form a structure in which each heat shrink tube moves radially along the corresponding working shell, and each of the working shells is provided with a small handle on the left side, and each small handle is fixedly connected to the corresponding control panel, and a control handle is slidably connected to the left side of the support shell, and each small handle cooperates with the control handle.

[0008] Preferably, two fixing plates are fixedly connected to the middle part of the adjusting shaft, a first thread is provided at the front part of the adjusting shaft, and a second thread is provided at the rear part of the adjusting shaft. The rotation directions of the first thread and the second thread are opposite, and the three working shells are respectively matched with the first thread, the fixing plate, and the second thread, and an adjustment handle is fixedly connected to the rear side of the adjusting shaft.

[0009] Preferably, an air intake pipe is provided inside the support shell, and a plurality of air intake branches are connected to the left side of the air intake pipe, and each of the heat shrink tubes is connected to the corresponding air intake branch.

[0010] Preferably, a sliding block is fixedly connected to the inner side of each of the working shells, a pinion is fixedly connected to the left and right sides of each of the conveying shafts, a toothed belt is provided inside each of the conveying racks, and each pinion cooperates with the toothed belt. A motor is fixedly connected to the inside of the support shell, a first bevel gear is fixedly connected to the upper side of the motor, a second bevel gear is meshed on the upper side of the first bevel gear, a power shaft is fixedly connected to the left side of the second bevel gear, and the power shaft is fixedly connected to the corresponding pinion.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. The utility model has a heat shrink tube with adjustable height, so that the device can be adapted to lunch boxes of different sizes, thereby increasing the adaptability area of ​​the device.

[0013] 2. The utility model has an operating shell capable of adjusting the relative distance, thereby being able to adjust the heating distance, and can reduce heat loss when necessary, thereby reducing the impact of high temperature on workers.

[0014] 3. The utility model has a conveying shaft that can rotate automatically, which is convenient for the staff to carry out the conveying operation of the lunch box.

[0015] 4. The utility model has a supporting shell with a large surrounding area, which can effectively reduce the heat loss inside the supporting shell and improve the working environment of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 It is a schematic diagram of the internal structure of the support shell in the utility model.

[0018] Figure 3 It is a schematic diagram of the position of the fixing plate in the utility model.

[0019] Figure 4 For this utility model Figure 3 A partial enlarged schematic diagram of area A in the middle.

[0020] Figure 5 For this utility model Figure 4 A partial enlarged schematic diagram of area B in the middle.

[0021] In the figure: 1. support shell; 2. conveyor frame; 3. conveyor shaft; 4. operating shell; 5. heat shrink tube; 6. adjustment shaft; 7. control board; 8. control slot; 9. control block; 10. small handle; 11. control handle; 12. fixing plate; 13. first thread; 14. second thread; 15. adjustment handle; 16. air intake pipe; 17. air intake branch pipe; 18. sliding block; 19. small gear; 20. toothed belt; 21. motor; 22. first bevel gear; 23. second bevel gear; 24. power shaft. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The following is combined with Figure 1-Figure 5 The specific implementation modes of the present utility model are further described in detail.

[0024] Embodiment 1, by Figure 1-Figure 5 The utility model comprises a support shell 1. In order to achieve the purpose of being able to adapt to the use of lunch boxes of different sizes for heat shrinking, two conveying racks 2 are fixedly connected to the inside of the support shell 1. A plurality of rotatable conveying shafts 3 are arranged between the two conveying racks 2. A polytetrafluoroethylene coating is arranged on the outer surface of the conveying shaft 3, which can effectively reduce the friction caused by the relative displacement between the conveying shaft 3 and the heat shrinkable film when the heat shrinkable film is shrunk, so that the surface of the heat shrinkable film after heat shrinkage treatment is more regular. The conveying shaft 3 cooperates with the conveying rack 2 to form a structure for conveying articles. Three working shells 4 are arranged inside the support shell 1. Each working shell 4 is provided with a plurality of heat shrinkable tubes 5 which can move radially along the working shell 4. The heat shrinkable tubes 5 cooperate with the working shell 4 to form a structure suitable for the use of articles of different sizes. A rotatable adjusting shaft 6 is arranged inside the support shell 1. The adjusting shaft 6 cooperates with the working shell 4 to form a structure with adjustable heat shrinking efficiency.

[0025] When in use, the coated aluminum foil lunch box can be placed at one end of the conveying rack 2, and each lunch box can be driven to move under the rotation of the conveying shaft 3. When the lunch box passes through the working shell 4, the heat shrink tube 5 will blow out hot air to heat the heat shrink film, causing it to shrink due to the heat, and then the aluminum foil lunch box is packaged. When the size of the aluminum foil lunch box changes, the height of each heat shrink tube 5 can be adjusted so that the device can adapt to the use of lunch boxes of different heights and sizes. When the lunch box is larger, the required heating efficiency is also higher. At this time, the distance between the working shells 4 is adjusted by adjusting the shaft 6.

[0026] Embodiment 2, based on embodiment 1, Figure 1-Figure 5 It is given that, in order to facilitate the operation of the staff, two rotatable control panels 7 are provided inside each of the working shells 4, and a plurality of control slots 8 are provided on each control panel 7. A control block 9 is fixedly connected to the front and rear sides of each of the heat shrink tubes 5, and the control block 9 cooperates with the control slots 8 to form a structure in which each heat shrink tube 5 moves radially along the corresponding working shell 4. A small handle 10 is provided on the left side of each of the working shells 4, and each small handle 10 is fixedly connected to the corresponding control panel 7. A control handle 11 is slidably connected to the left side of the supporting shell 1, and each small handle 10 cooperates with the control handle 11, and the control handle 11 is fittedly connected to each small handle 10;

[0027] When in use, the control handle 11 can be pulled upwards, and the control handle 11 drives each small handle 10 to move upwards, thereby driving each control plate 7 to rotate. Under the action of the control groove 8 and the control block 9, the height of each heat shrink tube 5 relative to the working tube is adjusted.

[0028] Embodiment 3, based on embodiment 2, Figure 1-Figure 5 It is given that, in order to achieve the purpose of being able to adjust the heating distance, two fixing plates 12 are fixedly connected to the middle part of the adjusting shaft 6, a first thread 13 is provided at the front part of the adjusting shaft 6, and a second thread 14 is provided at the rear part of the adjusting shaft 6, the first thread 13 and the second thread 14 have opposite rotation directions, the three working shells 4 are respectively matched with the first thread 13, the fixing plate 12, and the second thread 14, an adjusting handle 15 is fixedly connected to the rear side of the adjusting shaft 6, and among the three working shells 4, the working shell 4 at the middle position is rotatably connected to the adjusting shaft 6 through the fixing plate 12, and the working shells 4 at the front position and the rear position are threadedly connected to the adjusting shaft 6 through the first thread 13 and the second thread 14 respectively;

[0029] When in use, by rotating the adjustment shaft 6 through the adjustment handle 15, the distance of the working shell 4 will be adjusted, and then the heat shrinkage distance of the heat shrink tube 5 to the lunch box will be adjusted to increase the local thermal efficiency.

[0030] Embodiment 4, based on embodiment 3, Figure 1-Figure 5 It is given that, in order to achieve a better purpose, an air intake pipe 16 is provided inside the support shell 1, and a plurality of air intake branches 17 are connected to the left side of the air intake pipe 16, and each of the heat shrink tubes 5 is connected to the corresponding air intake branch 17;

[0031] When in use, the air inlet pipe 16 can be connected to the hot air blower, and the hot air is ejected through the air inlet pipe 16 and the air inlet branch pipe 17 through the heat shrink tube 5 to perform heat shrinking operation.

[0032] Embodiment 5, based on embodiment 4, Figure 1-Figure 5 It is given that a sliding block 18 is fixedly connected to the inner side of each of the working shells 4, a pinion 19 is fixedly connected to the left and right sides of each of the conveying shafts 3, a toothed belt 20 is provided inside each of the conveying racks 2, and each pinion 19 cooperates with the toothed belt 20, a motor 21 is fixedly connected to the inside of the supporting shell 1, a first bevel gear 22 is fixedly connected to the upper side of the motor 21, a second bevel gear 23 is meshed on the upper side of the first bevel gear 22, a power shaft 24 is fixedly connected to the left side of the second bevel gear 23, and the power shaft 24 is fixedly connected to the corresponding pinion 19.

[0033] When the utility model is used, the device is first fixed in a suitable position, and then the coated aluminum foil lunch box can be placed at one end of the conveying rack 2. Under the rotation of the conveying shaft 3, each lunch box is driven to move. When the lunch box passes through the working shell 4, the heat shrink tube 5 will blow out hot air together to heat the heat shrink film, causing it to shrink due to heat, and the aluminum foil lunch box is packaged. When the size of the aluminum foil lunch box changes, the control handle 11 can be pulled, and the control handle 11 drives each small handle 10 to move upward, thereby driving each control board 7 to rotate. Under the action of the control groove 8 and the control block 9, the height of each heat shrink tube 5 relative to the working tube is adjusted, so that the device can adapt to the use of lunch boxes of different heights and sizes. When the lunch box is large, the heating efficiency required is also high. At this time, when the adjusting handle 15 rotates the adjusting shaft 6, the distance of the working shell 4 is adjusted, thereby adjusting the heat shrink distance of the heat shrink tube 5 to the lunch box, thereby increasing the local thermal efficiency.

[0034] The utility model has a novel structure, ingenious conception, and simple and convenient operation. Through the design, the purpose of being able to adapt to the heat shrinkage of coated lunch boxes of different sizes is effectively achieved, which is convenient for staff to operate, adds the function of being able to adjust the heating distance, reduces heat loss, and improves the working environment of staff.

[0035] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An aluminum foil lunch box laminating heat shrinking machine, comprising a supporting shell, characterized in that: Two conveying racks are fixedly connected to the inside of the support shell, and a plurality of rotatable conveying shafts are provided between the two conveying racks. The conveying shafts and the conveying racks cooperate with each other to form a structure for conveying items. Three working shells are provided inside the support shell, and each working shell is provided with a plurality of heat shrink tubes that can move radially along the working shell. The heat shrink tubes and the working shells cooperate with each other to form a structure that can be adapted to the use of items of different sizes. A rotatable adjusting shaft is provided inside the support shell, and the adjusting shaft and the working shell cooperate with each other to form a structure with adjustable heat shrinking efficiency.

2. The aluminum foil lunch box laminating heat shrinking machine according to claim 1, characterized in that: Two rotatable control panels are provided inside each of the working shells, and a plurality of control slots are provided on each control panel. A control block is fixedly connected to the front and rear sides of each of the heat shrink tubes, and the control block and the control slot cooperate with each other to form a structure in which each heat shrink tube moves radially along the corresponding working shell. A small handle is provided on the left side of each of the working shells, and each small handle is fixedly connected to the corresponding control panel. A control handle is slidably connected to the left side of the support shell, and each small handle cooperates with the control handle.

3. The aluminum foil lunch box laminating heat shrinking machine according to claim 2, characterized in that: Two fixing plates are fixedly connected to the middle part of the adjusting shaft, a first thread is provided at the front part of the adjusting shaft, and a second thread is provided at the rear part of the adjusting shaft. The rotation directions of the first thread and the second thread are opposite. The three working shells are respectively matched with the first thread, the fixing plate, and the second thread. An adjusting handle is fixedly connected to the rear side of the adjusting shaft.

4. The aluminum foil lunch box laminating heat shrinking machine according to claim 3, characterized in that: An air intake pipe is provided inside the support shell, and a plurality of air intake branches are connected to the left side of the air intake pipe, and each of the heat shrink tubes is connected to a corresponding air intake branch.

5. The aluminum foil lunch box laminating heat shrinking machine according to claim 4, characterized in that: A sliding block is fixedly connected to the inner side of each working shell, a pinion is fixedly connected to the left and right sides of each conveying shaft, a toothed belt is provided inside each conveying rack, and each pinion cooperates with the toothed belt. A motor is fixedly connected to the inside of the support shell, a first bevel gear is fixedly connected to the upper side of the motor, a second bevel gear is meshed on the upper side of the first bevel gear, a power shaft is fixedly connected to the left side of the second bevel gear, and the power shaft is fixedly connected to the corresponding pinion.

Images