Heat shrink device

Abstract

The application discloses a heat shrink device for a heat shrink film externally sleeved on a bottle body, the heat shrink film being provided with a sealing cover, the heat shrink device comprising a bottle seat, a sealing cover heating mechanism and a beating mechanism, the bottle seat being used for supporting the bottle body, the sealing cover heating mechanism being used for heating the sealing cover, the beating mechanism comprising a beating driving part and a beating part, the beating driving part driving the beating part to move towards the sealing cover, and the beating part covering and abutting against the sealing cover. The heat shrink device realizes the packaging of a wine bottle, on one hand, the bottle body is protected by the heat shrink film, the bottle body and a label are not abraded during the storage of the wine bottle, and the wine bottle can keep a new state for a long time; on the other hand, the sealing cover is sealed by the heating of the sealing cover heating mechanism and the beating of the beating part, so that the wine bottle is sealed in the heat shrink film, a second sealing barrier is added to the wine bottle, the wine in the wine bottle is less likely to evaporate during long-term storage, and the collection value of the wine during long-term storage is kept.

Description

Technical Field

[0001] This invention relates to the field of wine bottle packaging, and more particularly to a heat shrink device. Background Technology

[0002] The storage of fine wines can present several challenges. For instance, during long-term storage, the volume of the wine may decrease due to factors such as incomplete sealing of the bottle cap, the permeability of the bottle and cap, and the evaporation of alcohol, thus reducing its collectible value. Furthermore, the surface of the bottle may wear down over time, and labels and stickers may even peel off. All these adverse factors negatively impact the long-term storage of such collectible wines. Summary of the Invention

[0003] To address the drawbacks of long-term storage of wine bottles in existing technologies, the present invention aims to provide a heat-shrinking device.

[0004] To achieve the above-mentioned objective, one embodiment of the present invention provides a heat-shrinking device for covering the outside of a heat-shrinkable bottle with a heat-shrinkable film, the heat-shrinkable film having a seal, and the heat-shrinking device comprising:

[0005] Bottle holder, which is used to support the bottle body;

[0006] A sealing heating mechanism for heating the seal;

[0007] A striking mechanism includes a striking drive unit and a striking unit, wherein the striking drive unit drives the striking unit to move toward the seal, and the striking unit covers and abuts the seal.

[0008] As a further improvement of the present invention, the heat shrinking device further includes a moving mechanism, the moving mechanism including a first moving part for moving the sealing heating mechanism and a second moving part for moving the tapping mechanism;

[0009] The heat shrinking device includes a heating state and a tapping state. In the heating state, the first moving part drives the sealing heating mechanism to align with the seal, and the second moving part drives the tapping mechanism away from the seal. In the tapping state, the first moving part drives the sealing heating mechanism away from the seal, and the second moving part drives the tapping mechanism to align with the seal.

[0010] As a further improvement of the present invention, the bottle body includes a bottom wall, and the seal is disposed on the bottom wall. When the bottle body is placed on the bottle holder, the bottom wall faces the bottle holder. The bottle holder includes a through hole, and the bottom wall covers the through hole.

[0011] As a further improvement of the present invention, the sealing heating mechanism includes a fan and a heating part, the fan includes an air outlet end facing the through hole, the heating part includes a heating cavity, the heating cavity communicates the air outlet end and the through hole, and the first moving part is connected to the heating part.

[0012] As a further improvement of the present invention, the bottle holder includes a plurality of grooves, the grooves communicating with the through hole and extending in a direction away from the through hole, and the bottle body is placed above the grooves.

[0013] As a further improvement of the present invention, the moving mechanism further includes a moving drive unit and a linkage unit. The moving drive unit drives the first moving part or the second moving part. In the direction of the moving drive unit, the first moving part or the second moving part drives the other moving part to move through the linkage unit.

[0014] As a further improvement of the present invention, the first moving part rotates around a first rotating axis, the second moving part rotates around a second rotating axis, the axes of the first rotating axis and the second rotating axis are on the same straight line, and the linkage part includes a third rotating axis parallel to the first rotating axis, the third rotating axis passing through both the first moving part and the second moving part.

[0015] As a further improvement of the present invention, the striking driving unit drives the striking part to move in a direction parallel to the second rotating axis.

[0016] As a further improvement of the present invention, the heat shrink apparatus further includes a rotating mechanism for driving the bottle holder to rotate, the rotating mechanism including a rotating drive unit and a transmission assembly connected between the rotating drive unit and the bottle holder.

[0017] As a further improvement of the present invention, the heat shrinking device also includes a bottle heating mechanism, a heating space for heating the bottle, and an air inlet and an air outlet communicating with the heating space, wherein the airflow flows sequentially through the bottle heating mechanism, the air inlet, the heating space and the air outlet.

[0018] Compared with the prior art, the present invention has the following beneficial effects: The heat shrink device realizes the sealing of the wine bottle. On the one hand, the heat shrink film protects the bottle body, and the bottle body and label will not be worn during the storage process, so that the wine bottle can be kept in a new state for a long time. On the other hand, the sealing heating mechanism and the striking part seal the opening, so that the wine bottle is sealed in the heat shrink film, adding a second sealing barrier to the wine bottle. The wine inside the bottle is less likely to evaporate during long-term storage, thus maintaining the collection value of the wine during long-term storage. Attached Figure Description

[0019] Figure 1This is a schematic diagram of the structure of a heat shrinking device according to an embodiment of the present invention;

[0020] Figure 2 This is a schematic diagram of the structure of a heat shrink device according to an embodiment of the present invention after removing a portion of its structure;

[0021] Figure 3 This is a cross-sectional view of a heat shrinking device according to an embodiment of the present invention;

[0022] Figure 4 This is a schematic diagram of a portion of the structure of a heat shrinking device according to an embodiment of the present invention;

[0023] Figure 5 This is a cross-sectional view of a portion of the structure of a heat shrinking device according to an embodiment of the present invention;

[0024] Figure 6 This is a schematic diagram of a portion of the structure of a heat shrinking device according to an embodiment of the present invention from another perspective;

[0025] Among them, 1. Heat shrinking device; 100. Heating space; 101. First air inlet; 102. Air outlet; 103. Second air inlet; 104. Hot air passage; 105. Cold air passage; 106. Air outlet passage; 10. Bottle holder; 11. Through hole; 12. Groove; 13. Rotary drive unit; 14. Transmission assembly; 20. Sealing heating mechanism; 21. Bottom fan; 22. Heating unit; 30. Striking mechanism; 31. Striking drive unit; 32. Striking unit; 41. Moving drive unit ; 42. First moving part; 421. First rotating shaft; 422. First bearing; 43. Second moving part; 431. Second rotating shaft; 432. Second bearing; 44. Linkage part; 441. Third rotating shaft; 442. Limiting component; 50. Cold air inlet mechanism; 51. Semiconductor refrigeration component; 52. Heat dissipation mechanism; 53. Fin part; 54. Second fan; 60. Hot air inlet mechanism; 61. Bottle heating mechanism; 62. First fan; 2. Bottle body; 2b. Bottom wall; 70. Inner liner. Detailed Implementation

[0026] The present invention will now be described in detail with reference to the specific embodiments shown in the accompanying drawings. However, these embodiments do not limit the present invention, and any structural, methodological, or functional modifications made by those skilled in the art based on these embodiments are included within the scope of protection of the present invention.

[0027] It should be understood that terms such as “above,” “over,” “below,” and “under” used herein to indicate spatial relative position are for illustrative purposes to describe the relationship of one unit or feature relative to another unit or feature as shown in the accompanying drawings. The terms “spatial relative position” may be intended to include different orientations of the equipment in use or operation other than those shown in the figures.

[0028] One embodiment of the present invention provides a heat shrinking device that fixes a heat shrink film onto a wine bottle and seals the opening, thereby achieving the technical effect of protecting the wine bottle.

[0029] Specifically, the device has a heating space 100 for heating the bottle 2. The bottle 2 is placed vertically in the heating space 100, and the heat-shrink film shrinks under the action of hot air until it tightly wraps around the bottle 2. The heat-shrinking device 1 has an opening connecting the heating space 100 and the outside. The bottle 2 is inserted or removed through the opening. The heat-shrink film has a seal, and during the process of the heat-shrink film shrinking and tightly wrapping around the bottle 2, the internal gas is discharged from the seal.

[0030] To clearly express the positions and directions described in this embodiment, the direction of gravity is defined as down, and the opposite direction is defined as up. The direction of the opening relative to the heating space 100 is defined as front, and the opposite direction is defined as back, with the wine bottle placed into the heat shrink device 1 from front to back.

[0031] The heat shrink device 1 includes: a bottle holder 10, a sealing heating mechanism 20, and a tapping mechanism 30, such as... Figures 1-3 As shown, the bottle holder 10 is used to support the bottle body 2, the sealing heating mechanism 20 is used to heat and seal, and the striking mechanism 30 includes a striking drive part 31 and a striking part 32. The striking drive part 31 drives the striking part 32 to move toward the seal, and the striking part 32 covers and abuts the seal.

[0032] When packaging wine bottles, heat shrink film is first placed over the bottle body 2 to form a seal. During or after the heat shrink film is tightened, the sealing heating mechanism 20 is activated to heat the seal, causing the seal to shrink further. Finally, the striking part 32 moves towards the seal and strikes the seal into one piece, achieving the sealing effect.

[0033] Furthermore, the heat shrink device 1 also includes a moving mechanism, such as... Figures 4-6 As shown, the moving mechanism includes a first moving part 42 for moving the sealing heating mechanism 20 and a second moving part 43 for moving the tapping mechanism 30;

[0034] The heat shrinking device 1 includes a heating state and a tapping state. In the heating state, the first moving part 42 drives the sealing heating mechanism 20 to align with the seal, and the second moving part 43 drives the tapping mechanism 30 away from the seal. In the tapping state, the first moving part 42 drives the sealing heating mechanism 20 away from the seal, and the second moving part 43 drives the tapping mechanism 30 to align with the seal. After the sealing heating mechanism 20 completes the shrinkage at the seal, the sealing heating mechanism 20 is removed, and the tapping mechanism 30 completes a thorough seal at that location.

[0035] The bottle body 2 includes a bottom wall 2b, and the seal is located at the bottom wall 2b. When the bottle body 2 is placed on the bottle holder 10, the bottom wall 2b faces the bottle holder 10. The bottle holder 10 includes a through hole 11, and the bottom wall 2b covers the through hole 11. That is to say, in this embodiment, the bottle body 2 is placed vertically, and the seal is formed at the position of the bottom wall 2b. The sealing heating mechanism 20 and the tapping mechanism 30 also heat and tap the bottom of the bottle body 2.

[0036] The sealing heating mechanism 20 includes a fan and a heating section 22. The fan has an air outlet facing the through hole 11, and the heating section 22 includes a heating chamber that connects the air outlet and the through hole 11. A first moving part 42 is connected to the heating section 22. Because the fan supplies air to the sealing area, it is also called a bottom fan 21. The heating section 22 may include multiple turns of wound heating wire. External airflow is blown towards the heating section 22 by the bottom fan 21, heated, and then blown towards the sealing area. The first moving part 42 is only used to move the heating section 22 away or back. When the heating section 22 is moved out, the heating and sealing are stopped. After the heating section 22 is moved away, it makes way for the tapping mechanism 30.

[0037] The bottle holder 10 includes multiple grooves 12, which are connected to the through hole 11 and extend away from the through hole 11. The bottle body 2 is placed above the grooves 12. The airflow blown in from below the bottle body 2 can flow to the outside of the bottle body 2 through the grooves 12. On the one hand, this makes the bottom of the entire bottle body 2 heat evenly and avoids local areas being heated too low or too high. On the other hand, it facilitates the circulation of gas and avoids accumulation.

[0038] Additionally, the heat shrink apparatus 1 also includes a rotating mechanism for driving the bottle holder 10 to rotate. The rotating mechanism includes a rotating drive unit 13 and a transmission assembly 14 connected between the rotating drive unit 13 and the bottle holder 10. The transmission assembly 14 can be configured as follows: Figures 4-6 The gear mechanism shown can be adjusted to form a suitable transmission ratio, which drives the entire bottle holder 10 to rotate. The bottle body 2 is heated by rotation, making the heating in all directions more uniform.

[0039] Furthermore, the moving mechanism also includes a moving drive unit 41 and a linkage unit 44. The moving drive unit 41 drives either the first moving part 42 or the second moving part 43. In the direction of the driving motion of the moving drive unit 41, the first moving part 42 or the second moving part 43 drives the other moving part to move via the linkage unit 44. In this embodiment, the moving drive unit 41 drives the first moving part 42. When the first moving part 42 moves, the linkage unit simultaneously drives the second moving part 43 to move. The moving drive unit 41 is configured as a telescopic cylinder.

[0040] Furthermore, the first moving part 42 rotates around the first rotating shaft 421, and the second moving part 43 rotates around the second rotating shaft 431. The axes of the first rotating shaft 421 and the second rotating shaft 431 are collinear. The linkage part 44 includes a third rotating shaft 441 parallel to the first rotating shaft 421, which passes through both the first moving part 42 and the second moving part 43. When the first moving part 42 rotates around the first rotating shaft 421 under the force of the moving drive part 41, since the axes of the first moving part 42 and the second moving part 43 are collinear, they can rotate around the same axis. In addition, under the constraint of the third rotating shaft 441, the first moving part 42 and the second moving part 43 can rotate around the same axis at the same speed.

[0041] The first moving part 42 also includes a first bearing 422, and the first moving part 42 also includes a second bearing 432, such as Figure 5 As shown, this allows both to rotate about their respective axes.

[0042] In addition, the striking drive unit 31 drives the striking part 32 to move in a direction parallel to the second rotating shaft 431. The linkage unit 44 also includes a limiting member 442, which is fixed on the first moving part 42. One end of the third rotating shaft 441 is fixedly connected to the second moving part 43, and the other end is inserted into the limiting member 442, so that after the first moving part 42 stops moving, the second moving part 43 can still rise or fall. In this embodiment, the striking drive unit 31 is set as a linear motor to drive the second moving part 43 to rise or fall. The striking part 32 is connected to the rotating arm of the second moving part 43. When the second moving part 43 rotates a certain angle, the striking part 32 can face the through hole 11, and the through hole 11 covers the striking part 32. The striking part 32 can move upward through the through hole 11 until it is flush with the upper surface through which it passes.

[0043] Furthermore, the heat shrink device 1 also includes a bottle body 2 heating mechanism 61, and an air inlet and an air outlet 102 communicating with the heating space 100, such as Figure 2 As shown, to distinguish it from the second air inlet below, the air inlet here refers to the first air inlet 101. The airflow flows sequentially through the bottle body 2 heating mechanism 61, the first air inlet 101, the heating space 100 and the air outlet 102, completing the airflow circulation. The airflow blown into the bottle body 2 heating mechanism 61 and the airflow blown out through the air outlet 102 can be recycled or connected to the outside.

[0044] Furthermore, the heat shrinking device 1 in this embodiment also includes an inner liner 70, a hot air inlet mechanism 60, and a cold air inlet mechanism 50. The inner liner 70 encloses a heating space 100 for heating the bottle body 2. The hot air inlet mechanism 60 includes a hot air channel 104, a bottle body 2 heating mechanism 61 disposed in the hot air channel 104, a first air inlet 101 connecting the hot air channel 104 and the inner liner 70, and a first fan 62 that drives the airflow to flow along the hot air channel 104. The cold air inlet mechanism 50 includes a cold air channel 105, a refrigeration mechanism disposed in the cold air channel 105, a second air inlet 103 connecting the cold air channel 105 and the inner liner 70, and a second fan 54 that drives the airflow to flow along the cold air channel 105. By blowing hot air into the heating space 100 through the hot air intake mechanism 60 and then blowing cold air into the heating space 100 through the cold air intake mechanism 50, the bottle body 2 is first heated, the heat shrink film is locked, and then cooled. This avoids the bottle body 2 from being continuously heated, thereby preventing the evaporation of alcohol and avoiding the impact of continuous overheating on the quality of the wine, making it more in line with the requirements of wine bottle packaging.

[0045] The first air inlet 101 is located on the side of the bottle body 2, and the second air inlet 103 is located on the top of the bottle body 2. Combined with the aforementioned heat-shrink film, a seal is provided. The bottle body 2 includes a bottom wall 2b, and the seal is located at the bottom wall 2b. The heat-shrink device 1 also includes a bottle holder 10 and a sealing heating mechanism 20. The bottle holder 10 includes a through hole 11 and multiple grooves 12. The grooves 12 communicate with the through hole 11 and extend away from the through hole 11. The bottle body 2 is placed above the grooves 12, and the sealing heating mechanism 20 is located below the through hole 11. In summary, this arrangement is to achieve the following purpose:

[0046] On the one hand, by drawing air in from two directions, the airflow size and temperature of each direction can be controlled, reducing interference between them. This prevents the cold air intake mechanism 50 from affecting the hot air intake mechanism 60 and preventing it from reaching its temperature, and also prevents the hot air intake mechanism 60 from affecting the cold air intake mechanism 50 and preventing it from reaching its temperature.

[0047] On the other hand, by utilizing the principle of cold air sinking, the cold air starts from the top and can quickly pass through the entire bottle 2, forming a cooling effect from top to bottom. After the cold air reaches the bottom groove 12 area, it can also cool the bottom of the bottle 2 through the groove 12, achieving all-round cooling with a good cooling effect.

[0048] On the other hand, when heating the bottle 2, the cold air inlet mechanism 50 can also be used to blow hot air out of the bottle 2. Since the blowing part is at the top and the exhaust seal is at the bottom, the air blown from the top to the bottle 2 can quickly force all the air between the bottle 2 and the heat shrink film to move to the bottom seal. Under the action of the airflow, the Coanda effect is formed, and the softer heat shrink film is also easier to stick to the surface of the bottle 2, thereby speeding up the heat shrinking speed. According to experimental tests, the heat shrinking is completed in 30 seconds when generally heated, while when blowing from the top down and the seal is at the bottom, the heat shrinking time can be shortened to about 15 seconds.

[0049] This orientation of the seal allows for faster heat shrinking during heat shrinking and faster, more thorough cooling during cooling.

[0050] Furthermore, the cooling mechanism includes a semiconductor cooling element 51, a heat sink attached to one side of the semiconductor cooling element 51, and a finned portion 53 attached to the heat sink. A second fan 54 drives airflow through the finned portion 53. The cooling mechanism also includes a heat dissipation mechanism 52 disposed on the other side of the semiconductor cooling element 51, which dissipates the cold or heat generated by the semiconductor cooling element 51 to the outside. After the second fan 54 drives the airflow through the finned portion 53, the temperature changes. When the finned portion 53 is at a low temperature, the airflow blown out by the second air inlet 103 is cold air; when the finned portion 53 is at a high temperature, the airflow blown out by the second air inlet 103 is hot air.

[0051] In addition, as described above, the heat shrinking device 1 also includes an air outlet mechanism, which includes an air outlet channel 106, an air outlet 102 connecting the air outlet channel 106 and the heating space 100, and a third fan that drives the airflow to flow along the air outlet channel 106. The air outlet channel 106 discharges the airflow to the outside through the third fan.

[0052] In addition, dampers for opening and closing are provided at the first air inlet 101 and / or the second air inlet 103. This allows the dampers at the second air inlet 103 to close when air is discharged from the first air inlet 101, accumulating more cold air in the cold air channel 105. After the heat shrink film is compressed, the damper at the first air inlet 101 closes and the damper at the second air inlet 103 opens to blow out cold air. At this time, heat is accumulated in the first air inlet 101. The alternating operation of opening and closing the dampers at the two air inlets is repeated for the next heating cycle of the bottle body 2.

[0053] An embodiment of the present invention provides a control method for the heat shrink device 1 as described above, comprising the following steps:

[0054] Start the heating mechanism 61 of bottle 2 and the first fan 62;

[0055] After a preset first time period, the heating mechanism 61 of bottle 2 and the first fan 62 are stopped.

[0056] Start the refrigeration unit and the second fan 54;

[0057] After a preset second time period, the refrigeration unit and the second fan 54 will stop operating.

[0058] The step "starting the refrigeration mechanism and the second fan 54" also includes:

[0059] A positive voltage is applied to both ends of the semiconductor cooling element 51, wherein, under the positive voltage, the cold end of the semiconductor cooling element faces the second air inlet 103. When the positive voltage is applied to the semiconductor cooling element 51, one end of the semiconductor cooling element facing the second air inlet 103 is the cold end, and the other end is the hot end. At this time, the semiconductor cooling element is used to cool the heated space 100, thereby achieving the cooling of the bottle body 2.

[0060] In addition, the step of "starting the heating mechanism 61 of bottle 2 and the first fan 62" also includes:

[0061] A reverse voltage is applied to both ends of the semiconductor cooling element 51. Under the reverse voltage, the hot end of the semiconductor cooling element faces the second air inlet 103. When the reverse voltage is applied to the semiconductor cooling element 51, one end of the semiconductor cooling element facing the second air inlet 103 is the hot end, and the other end is the cold end. At this time, the semiconductor cooling element is used to heat the space 100, thereby heating the bottle 2. The bottle 2 receives more heat, the heat shrinkage speed is faster, and the hot air blown out from more directions accelerates the shrinkage speed of the heat shrink film.

[0062] Compared with the prior art, this embodiment has the following beneficial effects:

[0063] (1) The heat shrink device 1 achieves the sealing of the wine bottle. On the one hand, the heat shrink film protects the bottle body 2, and the bottle body 2 and label will not be worn during the storage of the wine bottle, so that the wine bottle will remain in a new state for a long time. On the other hand, the sealing heating mechanism 20 and the striking part 32 are used to seal the opening, so that the wine bottle is sealed in the heat shrink film, which adds a second sealing barrier to the wine bottle. The wine inside the bottle is less likely to evaporate during long-term storage, thus maintaining the collection value of the wine during long-term storage.

[0064] (2) The heat shrinking device 1 realizes both the sealing of the heated wine bottle and the cooling of the wine bottle, so that the wine bottle can be quickly cooled after being tightly wrapped by the heat shrink film, so that the temperature of the bottle body 2 can be quickly reduced, avoiding the bottle body 2 from maintaining a high temperature, so as to minimize the negative impact of heating on the wine bottle, avoid the evaporation of wine and affect the quality of wine, and solve multiple negative problems in the process of covering the wine bottle with heat shrink film.

[0065] It should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This way of describing the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0066] The detailed descriptions listed above are merely specific descriptions of feasible embodiments of the present invention, and are not intended to limit the scope of protection of the present invention. All equivalent embodiments or modifications made without departing from the spirit of the present invention should be included within the scope of protection of the present invention.

Claims

1. A heat-shrinking device for covering the outside of a heat-shrinkable bottle with a heat-shrinkable film, the heat-shrinkable film having a seal, characterized in that, The heat shrinking device includes: Bottle holder, which is used to support the bottle body; A sealing heating mechanism for heating the seal; A striking mechanism, comprising a striking drive unit and a striking unit, wherein the striking drive unit drives the striking unit to move toward the seal, and the striking unit covers and abuts the seal; The moving mechanism includes a first moving part for moving the sealing heating mechanism and a second moving part for moving the tapping mechanism. The moving mechanism also includes a moving drive part and a linkage part. The moving drive part drives the first moving part or the second moving part. In the direction of the driving motion of the moving drive part, the first moving part or the second moving part drives the other moving part to move through the linkage part. The first moving part rotates around a first rotating axis, and the second moving part rotates around a second rotating axis. The axes of the first rotating axis and the second rotating axis are on the same straight line. The linkage part includes a third rotating axis parallel to the first rotating axis. The third rotating axis passes through both the first moving part and the second moving part. The heat shrinking device includes a heating state and a tapping state. In the heating state, the first moving part drives the sealing heating mechanism to align with the seal, and the second moving part drives the tapping mechanism away from the seal. In the tapping state, the first moving part drives the sealing heating mechanism away from the seal, and the second moving part drives the tapping mechanism to align with the seal.

2. The heat shrinking device according to claim 1, characterized in that, The bottle body includes a bottom wall, and the seal is disposed on the bottom wall. When the bottle body is placed on the bottle holder, the bottom wall faces the bottle holder. The bottle holder includes a through hole, and the bottom wall covers the through hole.

3. The heat shrinking device according to claim 2, characterized in that, The sealing heating mechanism includes a fan and a heating part. The fan includes an air outlet facing the through hole. The heating part includes a heating cavity that connects the air outlet and the through hole. The first moving part is connected to the heating part.

4. The heat shrinking device according to claim 2, characterized in that, The bottle holder includes multiple grooves that communicate with the through hole and extend away from the through hole, and the bottle body is placed above the grooves.

5. The heat shrinking device according to claim 1, characterized in that, The striking drive unit drives the striking part to move in a direction parallel to the second rotating axis.

6. The heat shrinking device according to claim 1, characterized in that, It also includes a rotating mechanism for driving the bottle holder to rotate, the rotating mechanism including a rotating drive unit and a transmission assembly connected between the rotating drive unit and the bottle holder.

7. The heat shrinking device according to claim 1, characterized in that, It also includes a bottle heating mechanism, a heating space for heating the bottle, and an air inlet and an air outlet connecting the heating space, with airflow passing sequentially through the bottle heating mechanism, the air inlet, the heating space, and the air outlet.

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