Visual packaging equipment

Abstract

The present invention relates to a visual packaging device for wrapping a transparent shrink film around a product. The shrink film includes a first part of the film and a second part of the film, and the device comprises: a conveying device for conveying the product to each working station; a film covering device capable of covering the first part of the film on the top of the product, and the first part of the film has surplus material and droops to the circumferential outside of the product; a film surrounding device capable of surrounding the second part of the film around the circumference of the product, and the second part of the film has surplus material in the directions towards the top and bottom of the product. The surplus material of the second part of the film exceeding the top of the product coincides and closely adheres with the surplus material of the first part of the film, and the surplus material of the second part of the film exceeding the bottom of the product adheres to the bottom of the product; and a heat shrinkage device for heating and shrinking the first part of the film and the second part of the film on the product. This visual packaging device can quickly and accurately wrap the film around the product, and has a good packaging effect.

Description

Technical Field

[0001] The present invention relates to the technical field of packaging, and particularly to a visual packaging device. Background Art

[0002] Current situation of the visual packaging process: First, manually cover a film on the top of the product, then manually wind another film around the product, cut and weld the film, and finally, manually use a hot air gun to heat the film on the outer side of the product to make the film shrink. This operation method has low work efficiency, high labor intensity, and the operator is prone to collide with the product. Summary of the Invention

[0003] Based on this, in view of the problem of low efficiency of covering the product with a film, it is necessary to provide a visual packaging device that can quickly and accurately cover the product with a film and has a good packaging effect.

[0004] A visual packaging device for covering a transparent shrink film on a product, the shrink film including a first part of the film and a second part of the film, comprising:

[0005] A conveying device for conveying the product to each working station;

[0006] A film covering device capable of covering the first part of the film on the top of the product, the first part of the film having a surplus and hanging down to the circumferential outer side of the product;

[0007] A film surrounding device capable of surrounding the second part of the film on the circumference of the product, the second part of the film having a surplus in the directions towards the top and bottom of the product, at least part of the second part of the film overlapping and tightly adhering to the first part of the film, and the surplus of the second part of the film extending beyond the bottom of the product adhering to the bottom of the product; and

[0008] A heating and shrinking device for heating and shrinking the first part of the film and the second part of the film on the product.

[0009] The above-mentioned visual packaging device automatically covers the top of the product with the first part of the film through the film covering device, and forms a surplus material that droops around the product. The film wrapping device automatically winds the second part of the film around the outer circumference of the product, and there is surplus material in the directions towards the top and bottom of the product. The surplus material of the second part of the film towards the top of the product is combined with the surplus material of the first part of the film to form a complete combination of the second part of the film and the first part of the film. The surplus material of the second part of the film towards the bottom of the product is attached to the bottom of the product. Finally, the heating and shrinking device heats and shrinks the first part of the film and the second part of the film to complete the automatic packaging of the product visualization. This visual packaging device can achieve automated operation, greatly improving the efficiency, reducing the labor intensity of the operators, and ensuring the personal safety of the operators.

[0010] In one embodiment, the conveying device includes a frame, a roller group and a transmission member. The roller group is rotatably arranged on the frame, the product is arranged on the roller group, the transmission member is arranged on the frame, and the transmission member can drive the roller group to rotate and drive the product to move to each station. It can achieve stable and accurate conveyance of the product.

[0011] In one embodiment, the transmission member includes a motor, a driving wheel, a driven wheel, a first conveyor belt and a second conveyor belt. The motor is arranged on the frame, the driving wheel is linked to the output end of the motor, the driven wheel is arranged on one roller of the roller group, the opposite ends of the first conveyor belt are respectively sleeved on the driving wheel and the driven wheel, and the second conveyor belt is sleeved on all the rollers of the roller group. By driving one roller of the roller group by the motor, the other rollers of the roller group are driven to rotate. Through the cooperation drive of the motor, gears and conveyor belts, the rotation conduction effect can be better guaranteed, and the conveyance drive of the product is more stable and smooth.

[0012] In one embodiment, the film covering device includes a sliding frame, a film clamping member, a guide rod and a cutting member. The first part of the film is arranged in a roll. The sliding frame extends above the conveying device. The film clamping member is slidably arranged on the sliding frame. The guide rod is arranged on the sliding frame. The end of the first part of the film is wound around the guide rod and connected to the film clamping member. The cutting member is arranged close to the guide rod. The film clamping member slides along the sliding frame to pull out the first part of the film, and the sliding frame can drive the pulled-out first part of the film to move towards the top of the product, so that the first part of the film covers the top of the product, and the first part of the film at the guide rod is cut off by the cutting member. It can cover the first part of the film on the top of the product more accurately and conveniently, and ensure the surplus material of the first part of the film that droops towards the outer circumference of the product.

[0013] In one embodiment, the film wrapping device includes a film wrapping vertical frame, a first film wrapping member, and a second film wrapping member. The product has opposite first and second surfaces in the circumferential direction, as well as other surfaces between the first and second surfaces. The film wrapping vertical frame has an opening, and the conveying device can convey the product through the opening. The first film wrapping member and the second film wrapping member are respectively disposed on both sides of the opening and can move towards each other. The middle part of the second part of the film abuts against the opening. When the product passes through the opening, the first surface first abuts against the middle part of the second part of the film. With the drive of the conveying device, the first surface and the other surfaces are wrapped by the second part of the film. When the second surface passes through the opening, the first film wrapping member and the second film wrapping member move towards each other to press the second part of the film tightly against the second surface, and then cut and weld the second part of the film. The operation of wrapping the second part of the film around the outer circumference of the product is more convenient. The product only needs to move under the conveyance of the conveying device, and the second part of the film can be wrapped around the outer circumference of the product. Moreover, the first film wrapping member and the second film wrapping member can cooperate well to press and fuse the two ends of the second part of the film, forming a wrap around the entire outer circumference of the product.

[0014] In one embodiment, both ends of the second part of the film are arranged in a coiled material form. The coiled materials at both ends of the second part of the film are respectively located on both sides of the opening, and the middle parts of both ends of the second part of the film abut against the opening. When the product is conveyed by the conveying device, it will press against the second part of the film. The second part of the film arranged in a coiled material form can automatically feed the material under the pressing force of the product, making it more convenient to wrap the product.

[0015] In one embodiment, it includes one of the following features: the coiled materials at both ends of the second part of the film are all discharged in the horizontal direction; the film wrapping device further includes a first material turning rod and a second material turning rod. The first material turning rod and the second material turning rod are respectively located on both sides of the opening. The coiled materials at both ends of the second part of the film are discharged in the vertical direction and are respectively converted to be discharged in the horizontal direction by pressing through the first material turning rod and the second material turning rod. This ensures a better wrapping effect of the second part of the film on the product.

[0016] In one embodiment, the heat shrinkage device has a frame structure, and the product passes through the heat shrinkage device vertically or horizontally, so that the first part of the film and the second part of the film are heat shrunk.

[0017] In one embodiment, the heat shrinkage device includes a first heating frame, a second heating frame and a rotating device. The first heating frame and the second heating frame are spaced apart on the conveying device. The rotating device is disposed between the first heating frame and the second heating frame. The product is conveyed by the conveying device through the first heating frame, and the first heating frame heats a part of the first part of the film and the second part of the film on the product. The product is conveyed by the conveying device onto the rotating device, and the rotating device drives the product to rotate 90°, and then passes through the second heating frame under the conveyance of the conveying device. The second heating frame heats the other part of the first part of the film and the second part of the film on the product. It can heat the first part of the film and the second part of the film on the product more quickly and conveniently, so that the first part of the film and the second part of the film shrink and tightly adhere to the product.

[0018] In one embodiment, the conveying device includes a first conveying section and a second conveying section connected to each other. The conveying direction of the first conveying section is perpendicular to the conveying direction of the second conveying section. The heat shrinkage device includes a third heating frame and a fourth heating frame. The third heating frame is disposed on the first conveying section, and the fourth heating frame is disposed on the second conveying section. The first conveying section conveys the product through the third heating frame, and the third heating frame heats a part of the first part of the film and the second part of the film on the product. The product is conveyed from the first conveying section to the second conveying section, and the product is conveyed by the second conveying section through the fourth heating frame. The fourth heating frame heats the other part of the first part of the film and the second part of the film on the product. It can heat the first part of the film and the second part of the film on the product more quickly and conveniently, so that the first part of the film and the second part of the film shrink and tightly adhere to the product. Description of the Drawings

[0019] Figure 1 It is a schematic structural diagram of an embodiment of the visualization packaging device of the present invention;

[0020] Figure 2 It is a schematic diagram of the effect after the product is packaged;

[0021] Figure 3 It is Figure 1 a schematic structural diagram of an embodiment of the heat shrinkage device in the visualization packaging device shown;

[0022] Figure 4 It is Figure 1 a schematic structural diagram of another embodiment of the heat shrinkage device in the visualization packaging device shown.

[0023] In the drawings, the list of components represented by each reference numeral is as follows:

[0024] 1. Conveyor device; 11. Frame; 12. Roller shaft group; 13. First conveyor section; 14. Second conveyor section; 21. Slide carriage; 22. Film clamping member; 23. Guide rod; 31. Vertical film stand; 32. First film surrounding member; 33. Second film surrounding member; 34. Opening; 35. First material transfer rod; 36. Second material transfer rod; 4. Heat shrinkage device; 41. First heating frame; 42. Second heating frame; 43. Rotating device; 44. Third heating frame; 45. Fourth heating frame; 5. Product; 51. Top surface; 52. Bottom surface; 53. Front surface; 54. Rear surface; 55. Left surface; 56. Right surface; 61. First part of film; 62. Second part of film. Detailed implementation manners

[0025] To make the above objects, features and advantages of the present invention more obvious and understandable, the following will describe the detailed implementation manners of the present invention with reference to the accompanying drawings. Many specific details are set forth in the following description in order to fully understand the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific implementations disclosed below.

[0026] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can also be an intermediate element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be an intermediate element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation manner.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which this invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered to be within the scope described in this specification.

[0028] Visual packaging, that is, non-cardboard packaging, is a packaging method that uses a transparent shrink film to replace the outer packaging cardboard to package the product and the cushioning material, and after packaging, the product inside the packaging can be directly seen. It is widely used in the packaging of home appliances, mechanical equipment, communication equipment, transportation of spare parts and chemical products, etc.

[0029] Please refer to Figure 1 andFigure 3 In one embodiment, the visual packaging device includes a conveying device 1, a film covering device, a film surrounding device, and a heat shrinking device 4. The visual packaging device of the present invention is used to wrap a transparent shrink film around a product 5. The product 5 can specifically be in the shape of a cube and has six faces: a top face 51, a bottom face 52, a front face 53, a rear face 54, a left face 55, and a right face 56. It can be understood that along the conveying direction of the conveying device 1, the front face 53 and the rear face 54 of the product 5 are defined. The shrink film includes a first part of the film 61 and a second part of the film 62. The conveying device 1 can convey the product 5 to each work station. The film covering device can cover the first part of the film 61 on the top face 51 of the product 5, and the first part of the film 61 has a surplus and hangs down to the circumferential outside of the product 5. The film surrounding device can surround the second part of the film 62 on the circumferential outside of the product 5. The second part of the film 62 has a surplus in the directions towards the top and bottom of the product 5. The surplus of the second part of the film 62 exceeding the top of the product 5 coincides and adheres tightly with the surplus of the first part of the film 61. The surplus of the second part of the film 62 exceeding the bottom of the product 5 adheres to the bottom face 52 of the product 5. The heat shrinking device 4 is used to heat and shrink the first part of the film 61 and the second part of the film 62 on the product 5.

[0030] The visual packaging device automatically covers the first part of the film 61 on the top of the product 5 through the film covering device, and forms a surplus that hangs down around the product 5. The film surrounding device automatically winds the second part of the film 62 around the circumferential outside of the product 5, and has a surplus in the directions towards the top and bottom of the product 5. The surplus of the second part of the film 62 towards the top of the product 5 combines with the surplus of the first part of the film 61 to form a complete combination of the second part of the film 62 and the first part of the film 61. The surplus of the second part of the film 62 towards the bottom of the product 5 adheres to the bottom of the product 5. Finally, the heat shrinking device 4 heats and shrinks the first part of the film 61 and the second part of the film 62 to complete the automatic visual packaging of the product 5. For the effect structure after the packaging of the product 5, please refer to Figure 2 . The visual packaging device can achieve automated operation, greatly improving the efficiency, reducing the labor intensity of the operators, and ensuring the personal safety of the operators.

[0031] In one embodiment, the conveying device 1 includes a frame 11, a roller group 12 and a transmission member. The roller group 12 is rotatably arranged on the frame 11, the product 5 is arranged on the roller group 12, the transmission member is arranged on the frame 11, and the transmission member can drive the roller group 12 to rotate and drive the product 5 to move to each station, so as to realize stable and precise conveying of the product 5. Specifically, the transmission member includes a motor, a driving wheel, a driven wheel, a first conveyor belt and a second conveyor belt. The motor is arranged on the frame 11, the driving wheel is linked with the output end of the motor, the driven wheel is arranged on a roller of the roller group 12, the opposite ends of the first conveyor belt are respectively sleeved on the driving wheel and the driven wheel, and the second conveyor belt is sleeved on all the rollers of the roller group 12. By driving a roller of the roller group 12 to rotate through the motor, the other rollers of the roller group 12 are driven to rotate. Through the cooperation drive of the motor, gears and conveyor belts, the rotation conduction effect can be better ensured, and the conveying drive of the product 5 is more stable and smooth.

[0032] Please refer to Figure 1 , in one embodiment, the film covering device includes a sliding frame 21, a film clamping member 22, a guide rod 23 and a cutting member. The first part of the film 61 is arranged in a roll. The sliding frame 21 extends above the conveying device 1. The film clamping member 22 is slidably arranged on the sliding frame 21 along the movement direction of the product 5. The guide rod 23 is arranged on the sliding frame 21. The end of the first part of the film 61 is wound around the guide rod 23 and connected to the film clamping member 22. Specifically, the film clamping member 22 clamps and fixes the end of the first part of the film 61. The cutting member is arranged close to the guide rod 23. The film clamping member 22 slides along the sliding frame 21 to pull out the first part of the film 61, and the sliding frame 21 can drive the pulled-out first part of the film 61 to move towards the top of the product 5, so that the first part of the film 61 is covered on the top surface 51 of the product 5, and the first part of the film 61 at the guide rod 23 is cut off by the cutting member. This film covering device can cover the first part of the film 61 on the top of the product 5 more precisely and conveniently, and ensure the surplus material of the first part of the film 61 hanging down towards the circumferential outer side of the product 5. It can be imagined that after the film clamping member 22 slides along the sliding frame 21 to pull out the first part of the film 61, the distance between the film clamping member 22 and the guide rod 23 is the length of the first part of the film 61 set to be covered on the top surface 51 of the product 5. Specifically, the surplus material lengths of the first part of the film 61 extending towards the four circumferential surfaces of the product 5 can all be 200 mm.

[0033] Please refer to Figure 1, in a specific embodiment, the film wrapping device includes a film wrapping vertical frame 31, a first film wrapping member 32 and a second film wrapping member 33. The film wrapping vertical frame 31 has an opening 34, and the conveying device 1 can convey the product 5 through the opening 34. The first film wrapping member 32 and the second film wrapping member 33 are respectively arranged on both sides of the opening 34 and can move towards each other. The middle part of the second part of the film 62 abuts against the opening 34. When the product 5 passes through the opening 34, first, the front surface 53 of the product 5 abuts against the middle part of the second part of the film 62. With the drive of the conveying device 1, the front surface 53, the left surface 55 and the right surface 56 of the product 5 will be wrapped by the second part of the film 62. When the rear surface 54 of the product 5 passes through the opening 34, the first film wrapping member 32 and the second film wrapping member 33 move towards each other to press the second part of the film 62 tightly against the rear surface 54 of the product 5, and cut and weld the second part of the film 62. This structure makes the operation of wrapping the second part of the film 62 around the outer circumference of the product 5 more convenient. The product 5 only needs to move under the conveyance of the conveying device 1 to enable the second part of the film 62 to be wrapped around the outer circumference of the product 5, and the first film wrapping member 32 and the second film wrapping member 33 can cooperate well to press and fuse the two ends of the second part of the film 62, forming a wrapping of the entire outer circumference of the product 5. In practical applications, the lengths of the surplus materials of the second part of the film 62 extending out of the top and bottom of the product 5 can both be 100 mm.

[0034] In an embodiment, both ends of the second part of the film 62 are arranged in a coiled material form. The coiled materials at both ends of the second part of the film 62 are respectively located on both sides of the opening 34, and the middle parts of both ends of the second part of the film 62 abut against the opening 34. There are two specific discharging settings for the second part of the film 62: one is that the coiled materials at both ends of the second part of the film 62 are discharged in a horizontal direction. It is necessary to vertically place the coiled materials at both ends of the second part of the film 62 and arrange positioning members for the second part of the film 62 to wind along the vertical direction; the other is that the film wrapping device further includes a first material turning rod 35 and a second material turning rod 36. The first material turning rod 35 and the second material turning rod 36 are respectively located on both sides of the opening 34. The coiled materials at both ends of the second part of the film 62 are discharged in a vertical direction and are respectively converted to be discharged in a horizontal direction through the pressing of the first material turning rod 35 and the second material turning rod 36. The first material turning rod 35 and the second material turning rod 36 can specifically be arranged at an inclination of 45°.

[0035] In an embodiment, the heat shrinkage device 4 has a frame structure, and the product 5 passes through the heat shrinkage device 4 vertically or horizontally, so that the first part of the film 61 and the second part of the film 62 are heat shrunk.

[0036] In order to heat the first part of the film 61 and the second part of the film 62 on the product 5 more quickly and conveniently, so that the first part of the film 61 and the second part of the film 62 shrink and tightly adhere to the product 5.

[0037] Please refer toFigure 3 , in a specific embodiment, the heat shrinkage device 4 includes a first heating frame 41, a second heating frame 42 and a rotating device 43. The first heating frame 41 and the second heating frame 42 are spaced apart on the conveying device 1, and the rotating device 43 is arranged between the first heating frame 41 and the second heating frame 42. The product 5 is conveyed by the conveying device 1 through the first heating frame 41, and the first heating frame 41 heats the first part of the film 61 and the second part of the film 62 on the top surface 51, the left surface 55 and the right surface 56 of the product 5. The product 5 is conveyed by the conveying device 1 onto the rotating device 43, and the rotating device 43 drives the product 5 to rotate 90° clockwise or counterclockwise, and then passes through the second heating frame 42 under the conveyance of the conveying device 1. The second heating frame 42 heats the second part of the film 62 on the bottom surface 52, the front surface 53 and the rear surface 54 of the product 5.

[0038] Please refer to Figure 4 , in another specific embodiment, the conveying device 1 includes a first conveying section 13 and a second conveying section 14 which are connected to each other. The conveying direction of the first conveying section 13 is perpendicular to the conveying direction of the second conveying section 14. The heat shrinkage device 4 includes a third heating frame 44 and a fourth heating frame 45. The third heating frame 44 is arranged on the first conveying section 13, and the fourth heating frame 45 is arranged on the second conveying section 14. The first conveying section 13 conveys the product 5 through the third heating frame 44, and the third heating frame 44 heats the first part of the film 61 and the second part of the film 62 on the top surface 51, the left surface 55 and the right surface 56 of the product 5. The product 5 is conveyed from the first conveying section 13 to the second conveying section 14 and forms a 90° turn, and the product 5 is conveyed by the second conveying section 14 through the fourth heating frame 45. The fourth heating frame 45 heats the second part of the film 62 on the bottom surface 52, the front surface 53 and the rear surface 54 of the product 5.

[0039] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0040] The above-described embodiments only represent several implementation manners of the present invention. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the invention patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention patent should be subject to the appended claims.

Claims

1. A visual packaging device for wrapping a transparent shrink film around a product, the shrink film comprising a first part of the film and a second part of the film, characterized in that, Comprising: A conveying device for conveying products to each work station; the conveying device includes a frame, a roller group and a transmission member, the roller group is rotatably arranged on the frame, the products are arranged on the roller group, the transmission member is arranged on the frame, and the transmission member can drive the roller group to rotate to drive the products to move to each work station; A film covering device capable of covering the first part of the film on the top of the product, the first part of the film has surplus material and hangs down to the circumferential outside of the product; the film covering device includes a sliding frame, a film clamping member, a guide rod and a cutting member, the first part of the film is arranged in a roll, the sliding frame extends above the conveying device, the film clamping member is slidably arranged on the sliding frame, the guide rod is arranged on the sliding frame, the end of the first part of the film is wound around the guide rod and connected to the film clamping member, the cutting member is arranged close to the guide rod, the film clamping member slides along the sliding frame to pull out the first part of the film, and the sliding frame can drive the pulled first part of the film to move towards the top of the product, so that the first part of the film covers the top of the product, and the cutting member cuts the first part of the film at the guide rod; A film surrounding device capable of surrounding the second part of the film on the circumference of the product, the second part of the film has surplus material in the directions towards the top and bottom of the product, at least part of the second part of the film coincides and adheres tightly with the first part of the film, and the surplus material of the second part of the film exceeding the bottom of the product adheres to the bottom of the product; the film surrounding device includes a film surrounding vertical frame, a first film surrounding member and a second film surrounding member, the product has opposite first and second surfaces in the circumferential direction, and other surfaces between the first and second surfaces, the film surrounding vertical frame has an opening, the conveying device can convey the product through the opening, the first film surrounding member and the second film surrounding member are respectively arranged on both sides of the opening and can move towards each other, the middle part of the second part of the film abuts against the opening, when the product passes through the opening, the first surface first abuts against the middle part of the second part of the film, with the drive of the conveying device, the first surface and the other surfaces are wrapped by the second part of the film, when the second surface passes through the opening, the first film surrounding member and the second film surrounding member move towards each other to press the second part of the film against the second surface and cut and weld the second part of the film after cutting; And A heat shrinking device for heat shrinking the first part of the film and the second part of the film on the product.

2. The visualization packaging device according to claim 1, wherein The transmission member includes a motor, a driving wheel, a driven wheel, a first conveyor belt and a second conveyor belt. The motor is arranged on the frame. The driving wheel is linked to the output end of the motor. The driven wheel is arranged on one of the roller shafts of the roller shaft group. The opposite ends of the first conveyor belt are respectively sleeved on the driving wheel and the driven wheel. The second conveyor belt is sleeved on all the roller shafts of the roller shaft group. By driving one of the roller shafts of the roller shaft group to rotate through the motor, the other roller shafts of the roller shaft group are driven to rotate.

3. The visualization packaging device according to claim 1, wherein Both ends of the second part of the film are arranged in a coiled material form. The coiled materials at both ends of the second part of the film are respectively located on both sides of the opening, and the middle parts of both ends of the second part of the film are abutted against the opening.

4. The visualization packaging device according to claim 3, characterized in that, including one of the following features: The coiled materials at both ends of the second part of the film are discharged in a horizontal direction. The film wrapping device further includes a first material turning rod and a second material turning rod. The first material turning rod and the second material turning rod are respectively located on both sides of the opening. The coiled materials at both ends of the second part of the film are discharged in a vertical direction and are respectively converted into horizontal direction discharge by being pressed by the first material turning rod and the second material turning rod.

5. The visualization packaging device according to claim 1, characterized in that The heat shrinkage device is in a frame structure. The product passes through the heat shrinkage device vertically or horizontally, so that the first part of the film and the second part of the film are heat shrunk.

6. The visualization packaging device according to claim 5, characterized in that, The heat shrinkage device includes a first heating frame, a second heating frame and a rotating device. The first heating frame and the second heating frame are arranged at intervals on the conveying device. The rotating device is arranged between the first heating frame and the second heating frame. The product is conveyed through the conveying device past the first heating frame, and the first heating frame heats part of the first part of the film and the second part of the film on the product. The product is conveyed by the conveying device onto the rotating device, and the rotating device drives the product to rotate 90°, and then passes through the second heating frame under the conveying of the conveying device. The second heating frame heats the other parts of the first part of the film and the second part of the film on the product.

7. The visualization packaging device according to claim 5, characterized in that, The conveying device includes a first conveying section and a second conveying section which are connected to each other. The conveying direction of the first conveying section is perpendicular to the conveying direction of the second conveying section. The heat shrinkage device includes a third heating frame and a fourth heating frame. The third heating frame is arranged on the first conveying section, and the fourth heating frame is arranged on the second conveying section. The first conveying section conveys the product past the third heating frame, and the third heating frame heats part of the first part of the film and the second part of the film on the product. The product is conveyed from the first conveying section to the second conveying section, and the product is conveyed by the second conveying section past the fourth heating frame. The fourth heating frame heats the other parts of the first part of the film and the second part of the film on the product.

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