CN217805698U

CN217805698U - Auxiliary traction film sealing device of heat shrinking machine

Info

Publication number: CN217805698U
Application number: CN202221664399.XU
Authority: CN
Inventors: 佘杭; 夏丹
Original assignee: Changsha Yuanling Food Co ltd
Current assignee: Changsha Yuanling Technology Development Co ltd
Priority date: 2022-06-29
Filing date: 2022-06-29
Publication date: 2022-11-15
Anticipated expiration: 2032-06-29

Abstract

The utility model discloses a supplementary traction film sealing device of heat shrinker, which comprises a housin, the access connection conveyer A of casing, exit linkage conveyer B, there is the operating device at the inboard top of casing, the operating device includes the pedestal of fixing at the inboard of casing top, the pedestal is equipped with roll-in piston, sealing subassembly and non-return piston along import to the export direction in proper order, roll-in piston output end connects the pulley plate, the shaft of pulley plate is parallel with the import, non-return piston output end connects the clamp plate, the pedestal leans on export one side symmetry to fix two bosses, the boss is connected the side seal part, install the heat platform mechanism on the boss of casing, the heat platform mechanism connects transport mechanism, transport mechanism is located under the operating device, the upper and lower side of transport mechanism is equipped with feeding mechanism, transport mechanism top and side are equipped with positioning mechanism; the self-adaptive adjustment is carried out according to the external packing size of the product, and the continuous film sealing can be carried out on the products with the same or different sizes.

Description

Auxiliary traction film sealing device of heat shrinking machine

Technical Field

The utility model relates to a package sealing film equipment technical field, concretely relates to supplementary traction of thermal contraction machine seals membrane device.

Background

When goods such as food, health products, cosmetics, electronic products and the like are delivered from a factory, paper boxes are generally adopted for packaging, the box type, the material and the design pattern of the paper box package can be customized according to the functions and the characteristics of the goods, the customization requirements of customers are greatly met, and the paper boxes belong to environment-friendly materials and can be recycled; the surface of packing carton usually can seal the membrane and handle, seals the membrane and can make the pattern of printing more clear, pack more wear-resisting, can also play waterproof, anti-fake effect simultaneously.

In the process of film sealing treatment, a film sealing device is generally adopted to seal the packaging box, and then the goods sealed with the film are conveyed to a heat shrinking machine, so that the protective film is more attached to the outer surface of the packaging box; the traditional film sealing device can only be used for sealing films of packing boxes with single sizes, is poor in applicability, and can not be used for self-adapting, mixing and continuously sealing the films of the packing boxes with different sizes.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a supplementary traction of heat shrinker seals membrane device, which comprises a housin, the access connection conveyer A of casing, exit linkage conveyer B, there is the operating device at the inboard top of casing, the operating device is including fixing the pedestal at casing top inboard, the pedestal is equipped with the roll-in piston along import to export direction in proper order, involution subassembly and non-return piston, the pulley plate is connected to the roll-in piston output, the shaft and the import of pulley plate are parallel, non-return piston output connects the clamp plate, the pedestal is by two convex seats of export one side symmetry fixed, the side seal part is connected to the convex seat, the casing bottom is equipped with the boss by export one side, install hot platform mechanism on the boss, hot platform mechanism connects transport mechanism, transport mechanism is located under the operating device, transport mechanism is last, the below is equipped with feeding mechanism, transport mechanism top and side are equipped with positioning mechanism.

Furthermore, the side sealing component comprises a double-thread rod rotationally connected with the two bosses, one end of the double-thread rod is connected with the output end of the traversing motor fixed on the outer side surfaces of the bosses, threads with opposite rotation directions are symmetrically arranged between the inner side surfaces of the two bosses of the double-thread rod, so that two thread paths with opposite rotation directions are formed, each thread path is in threaded connection with a traversing seat, the two traversing seats are symmetrically distributed along the conveying mechanism, the top of each traversing seat is in contact with the inner side surface of the top of the shell, and the bottom of each traversing seat is connected with the sealing component.

Furthermore, the sealing components are fixed on a lifting piston on the pedestal and the transverse moving seat, the output end of the lifting piston is connected with a pulley rod, the bottom of the piston rod of the lifting piston is connected with a hot cutter plate, a pusher connected with a hot cutter is arranged in the hot cutter plate, the pusher can control the hot cutter to move up and down in the hot cutter plate, the hot cutter plate of the sealing components fixed on the pedestal is parallel to the surface of the inlet, and the hot cutter plates of the two sealing components fixed on the transverse moving seat are parallel to the side wall of the shell.

Furthermore, the hot platform mechanism comprises a T platform fixed on the boss, a transverse channel matched with the hot cutter of the sealing assembly on the pedestal is arranged at the top of the T platform, a plurality of longitudinal channels matched with the hot cutter of the sealing assembly on the transverse seat are symmetrically arranged at the top of the T platform, and all the longitudinal channels form a longitudinal channel row seat.

Further, the conveying mechanism comprises a plurality of wheel shafts rotatably connected with the longitudinal groove row seats, the wheel shafts penetrate through all longitudinal grooves in the longitudinal groove row seats, shaft belt wheels are arranged at two ends of the wheel shafts and shaft bodies, the shaft body shaft belt wheels are arranged in groove positions formed between every two adjacent longitudinal grooves, belts are wound on the outer sides of the two shaft belt wheels which are farthest away from each other at the same groove positions, wheel rods A are arranged at two ends of the wheel shafts close to an inlet, the wheel rods A are connected with wheel rods B close to an outlet of the conveying belt through a conveying belt, the conveying belt is rotatably connected with mounting plates on two sides through wheel rods B, the mounting plates are fixed on the bottom surface of a recess of the shell, a driving motor is further arranged on the bottom surface of the recess, a wheel rod C at the output end of the driving motor is connected with the wheel rod B close to the inlet through a power belt, a bearing cylinder is rotatably connected between the two mounting plates close to the inlet, and the bearing cylinder, the conveying belt and the tops of the conveying machine A and the conveying machine B are located on the same horizontal plane.

Further, feeding mechanism includes with lateral wall and its to the side face swivelling joint's last feed cylinder, goes up the feed cylinder and locates the position that is close to the import, when going up the feed cylinder and roll up full membrane material, membrane material book bottom is not less than the last edge of import, and the position swivelling joint that is close to the boss between two mounting panels has down the feed cylinder.

Furthermore, positioning mechanism is including fixing the involution sensor in the pedestal bottom, and involution sensor transmitting terminal is towards transport mechanism, and the infrared light of transmitting terminal transmission is located between pulley board and the hot cutting board, and the fixed side seal sensor of export top inside wall, side seal sensor transmitting terminal are towards transport mechanism, and the infrared light of transmitting terminal transmission is located the side that the side seal part leaned on the exit end, and lateral wall and to the side projection position be fixed with survey wide sensor, and the infrared ray of surveying wide sensor transmission is located directly over the receiving section of thick bamboo.

Furthermore, sealing plates are fixed on the side walls and the opposite side faces of the side walls, and the tops of the sealing plates and the tops of the conveying mechanisms are located on the same horizontal plane.

Further, a waste box is arranged below the conveyor B.

The utility model discloses beneficial effect as follows:

1. can seal the membrane to the commodity of different extranal packing sizes and handle, be applicable to different production lines, avoid changing the inconvenience that brings because of the product extranal packing.

2. Can mix continuous envelope to the commodity of different extranal packing sizes, greatly improve the nimble degree that the front cover was handled.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a side view of the structure of the present invention;

fig. 3 is a top view of the present invention.

The reference numerals are illustrated below: 1. a housing; 101. an inlet; 102. an outlet; 103. a boss; 104. a recess; 105. a side wall; 2. a conveyor A; 3. a conveyor B; 4. a pedestal; 5. rolling the piston; 501. a pulley plate; 6. a sealing assembly; 601. a lift piston; 602. a pulley lever; 603. a hot cutting board; 7. a non-return piston; 701. pressing a plate; 8. a side seal member; 801. a traversing motor; 802. a traversing seat; 803. a double threaded rod; 9. a T table; 10. a longitudinal channel; 11. a transverse channel; 12. an axle; 1201. a wheel lever A; 13. a belt; 14. mounting a plate; 15. a conveyor belt; 1501. a wheel lever B; 16. a transmission belt; 17. a power belt; 18. a drive motor; 19. a receiving cylinder; 20. an upper feeding barrel; 21. a lower feed cylinder; 22. a width measuring sensor; 23. a sealing sensor; 24. a side seal sensor; 25. closing the plate; 26. a waste bin.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention will be further explained with reference to the drawings in the following description:

as shown in fig. 1 to 3, an auxiliary traction film sealing device for a heat shrinking machine comprises a housing 1, an inlet 101 of the housing 1 is connected with a conveyor A2, an outlet 102 is connected with a conveyor B3, an operating mechanism is arranged at the top of the inner side of the housing 1 and comprises a pedestal 4 fixed at the inner side of the top of the housing 1, a rolling piston 5, a sealing component 6 and a check piston 7 are sequentially arranged on the pedestal 4 along the direction from the inlet 101 to the outlet 102, the output end of the rolling piston 5 is connected with a pulley plate 501, the wheel shaft of the pulley plate 501 is parallel to the inlet 101, the output end of the check piston 7 is connected with a pressing plate 701, two bosses 401 are symmetrically fixed on one side of the pedestal 4 close to the outlet 102, the bosses 401 are connected with side sealing components, a boss 103 is arranged on one side of the bottom of the housing 1 close to the outlet 102, a heat platform mechanism is arranged on the boss 103 and connected with a conveying mechanism, the conveying mechanism is arranged under the operating mechanism, a feeding mechanism is arranged above and below the conveying mechanism, and a positioning mechanism is arranged on the side surface of the conveying mechanism.

In this embodiment, the side sealing member includes a double-threaded rod 803 rotatably connected to the two bosses 103, one end of the double-threaded rod 803 is connected to an output end of the traverse motor 801 fixed to the outer side of the boss 103, the double-threaded rod 803 symmetrically opens threads with opposite rotation directions between the inner sides of the two bosses 103, so as to form two thread paths with opposite rotation directions, each thread path is connected with a traverse seat 802 by threads, the two traverse seats 802 are symmetrically distributed along the conveying mechanism, the top of the traverse seat 802 contacts with the inner side of the top of the casing 1, and the bottom of the traverse seat 802 is connected to the sealing assembly.

In this embodiment, the sealing assembly includes a lifting piston 601 fixed on the pedestal 4 and the traverse seat 802, the output end of the lifting piston 601 is connected with a pulley 602, the bottom of the piston rod of the lifting piston 601 is connected with a hot cutter plate 603, a pusher connected with a hot cutter is arranged in the hot cutter plate 603, the pusher can control the hot cutter to move up and down in the hot cutter plate 603, the hot cutter plate 603 of the sealing assembly fixed on the pedestal 4 is parallel to the surface of the inlet 101, and the hot cutter plates 603 of two sealing assemblies fixed on the traverse seat 802 are parallel to the sidewall 105 of the housing 1.

In this embodiment, the heat station mechanism includes a T station 9 fixed on the boss 103, a transverse channel 11 matched with the heat cutter of the sealing assembly on the pedestal 4 is arranged on the top of the T station 9, a plurality of longitudinal channels 10 matched with the heat cutter of the sealing assembly on the transverse seat 802 are symmetrically arranged on the top of the T station 9, and all the longitudinal channels 10 form a longitudinal channel row seat.

In this embodiment, the transmission mechanism includes a plurality of wheel shafts 12 rotatably connected to the longitudinal groove row seats, the wheel shafts 12 pass through all the longitudinal grooves 10 in the longitudinal groove row seats, shaft pulleys are provided at both ends of the wheel shafts 12 and the shaft bodies, the shaft body shaft pulleys are provided in the groove positions formed between every two adjacent longitudinal grooves 10, belts 13 are wound around the outer sides of the two shaft pulleys at the same groove positions which are farthest away, wheel rods a1201 are provided at both ends of the wheel shafts 12 near the inlet 101, the wheel rods a1201 are connected with wheel rods B1501 of the conveyor belt 15 near the outlet 102 through a transmission belt 16, the conveyor belt 15 is rotatably connected with mounting plates 14 at both sides through wheel rods B1501, the mounting plates 14 are fixed on the bottom surface of the recess 104 of the housing 1, the bottom surface of the recess 104 is further provided with a driving motor 18, a wheel rod C at the output end of the driving motor 18 is connected with a wheel rod B1501 near the inlet 101 through a power belt 17, a receiving cylinder 19 is rotatably connected between the two mounting plates 14 near the inlet 101, and the receiving cylinders 19, the conveyor belts 15, the belts 13 and the belts 13 are located at the same horizontal plane with the top of the conveyor A2 and a conveyor B3.

In this embodiment, the feeding mechanism includes an upper feeding barrel 20 rotatably connected to the side wall 105 and the opposite side surface thereof, the upper feeding barrel 20 is disposed at a position close to the inlet 101, when the upper feeding barrel 20 is fully wound with the film material, the bottom of the film roll is not lower than the upper edge of the inlet 101, and a lower feeding barrel 21 is rotatably connected between the two mounting plates 14 at a position close to the boss 103.

In this embodiment, the positioning mechanism includes a sealing sensor 23 fixed at the bottom of the pedestal 4, an emitting end of the sealing sensor 23 faces the conveying mechanism, infrared light emitted from the emitting end is located between the pulley plate 501 and the hot cutter plate 603, a side sealing sensor 24 is fixed on an inner side wall above the outlet 102, an emitting end of the side sealing sensor 24 faces the conveying mechanism, the infrared light emitted from the emitting end is located on a side surface of the side sealing part near the outlet 102, a side width sensor 22 is fixed on the side wall 105 and a projection position of the side surface, and the infrared light emitted from the side width sensor 22 is located right above the receiving cylinder 19.

In this embodiment, a sealing plate 25 is fixed to the side wall 105 and the opposite side, and the top of the sealing plate 25 is at the same level as the top of the transfer mechanism.

In this embodiment, a waste bin 26 is provided below the conveyor B3.

The utility model discloses the theory of operation as follows:

during the initial operation, the narrow film material of the lower feeding cylinder 21 is spread to the top of the belt 13 by bypassing the receiving cylinder 19, the wide film material of the upper feeding cylinder 20 is spread above the narrow film material at the top of the belt 13, each piston in the operation mechanism is at the top dead center, and the two traverse seats 802 are at the farthest positions.

When the mixed film sealing operation is carried out on the packing boxes (the goods are contained in the packing boxes) with different sizes, the packing boxes are sequentially placed on the central axis of the conveyor A2 at equal intervals (the distance between the packing boxes can be set according to the requirement, the height of each packing box does not exceed the height of the inlet 101, the width does not exceed the width of the narrow film material, the length does not exceed the length of two hot cutter plates 603 in the side sealing part 8, but is not less than the length of the hot cutter plates 603 minus the distance between the packing boxes), the conveying mechanism is started, the conveyor A2 is synchronously started at the same speed at the moment, the first packing box is conveyed into the conveyor belt 15, the width measuring sensor 22 records the width of the packing box at the moment, after the sealing sensor 23 senses the front edge of the packing box, the conveying mechanism and the conveyor A2 are immediately stopped, the rolling piston 5 drives the pulley plate 501 to press the packing boxes downwards, the non-return piston 7 drives the press plate 701 to move downwards to press the wide and narrow film materials on the top of the belt 13 (in this case, when the pulley plate 501 presses the second package box, the press plate 701 presses the first package box, and so on), then the lifting piston 601 in the sealing assembly 6 drives the pulley rod 602 and the hot cutter plate 603 to move downwards, the pulley on the pulley rod 602 pulls the wide film materials to move downwards through the pulley plate 501, when the pulley rod 602 contacts the belt 13, the hot cutter in the hot cutter plate 603 pops up to press the wide and narrow film materials into the transverse channel 11, at this time, the transverse channel 11 is connected with the electric heating circuit in the T-shaped platform 9 to be switched on, the wide and narrow film materials in the transverse channel 11 are thermally cut and sealed (the wide and narrow film materials are bonded together and are cut off by the hot cutter back and forth), after the sealing is finished, the rolling piston 5, the lifting piston 601, the non-return piston 7 and the hot cutter are reset, the conveying mechanism and the conveyor A2 are restarted, when the side seal sensor 24 senses the front edge of the packaging box (in this case, the first packaging box, and the rest "senses the rear edge of the previous packaging box"), the conveying mechanism and the conveyor A2 stop again, a proper longitudinal groove 10 is adapted according to the range of the width data recorded by the width sensor 22, the traverse motor 801 is started to drive the traverse seat 802 to move inwards from the positions at the two sides to the adapted longitudinal groove 10, the heat cutting sealing at the two sides of the packaging box is completed through the sealing component 6 under the traverse seat 802, after the sealing at the two sides is completed, the side seal component resets, and the conveying mechanism and the conveyor A2 are started again; the back side of the packaging box is thermally cut and sealed, namely the front side of the next packaging box at the position of the conveying belt 15 is thermally cut and sealed, the packaging box after being completely sealed is conveyed into the conveyor B3 through the outlet 102 and then is conveyed into the heat shrinking machine for treatment, and the waste materials cut at the two sides are taken out together and fall into the waste bin 26.

When the film sealing operation is carried out on the packing boxes with the same size, the length of the packing boxes is not limited any more, the side sealing sensor 24 is not needed to work at the moment, the transverse moving seat 802 stays above the matched longitudinal groove 10 and does not move according to the width of the packing boxes, the sealing assembly 6 under the transverse moving seat 802 goes downwards for heat cutting and sealing once after the conveying mechanism advances for the length distance of the heat cutting knife plate 603, and the rest settings are unchanged.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. A heat shrinker auxiliary traction film sealing device comprises a shell (1), wherein an inlet (101) of the shell (1) is connected with a conveyor A (2), an outlet (102) is connected with a conveyor B (3), and the heat shrinker auxiliary traction film sealing device is characterized in that: there is operating mechanism casing (1) inboard top, and operating mechanism is including fixing pedestal (4) at casing (1) top inboard, and pedestal (4) are followed import (101) are equipped with roll-in piston (5), involution subassembly (6) and non return piston (7) in proper order to export (102) orientation, pulley plate (501) are connected to roll-in piston (5) output, the shaft of pulley plate (501) with import (101) are parallel, non return piston (7) output is connected clamp plate (701), pedestal (4) are by export (102) one side symmetry fixed two convex bases (401), and side seal part (8) are connected to convex base (401), casing (1) bottom is by export (102) one side and is equipped with boss (103), installs hot platform mechanism on boss (103), and hot platform mechanism connects transport mechanism, transport mechanism is located operating mechanism under, and the transport mechanism is equipped with feeding mechanism on, and transport mechanism top and side are equipped with positioning mechanism.

2. The auxiliary traction film sealing device of the heat shrinking machine, according to claim 1, is characterized in that: the side sealing component (8) comprises a double-thread rod (803) rotationally connected with two bosses (103), one end of the double-thread rod (803) is connected with the output end of a traversing motor (801) fixed on the outer side surfaces of the bosses (103), threads with opposite rotation directions are symmetrically arranged on the inner side surfaces of the two bosses (103) of the double-thread rod (803), so that two thread paths with opposite rotation directions are formed, a traversing seat (802) is in threaded connection with each thread path, the two traversing seats (802) are symmetrically distributed along the conveying mechanism, the top of each traversing seat (802) is in contact with the inner side surface of the top of the shell (1), and the bottom of each traversing seat (802) is connected with a sealing component.

3. The auxiliary traction film sealing device of the heat shrinking machine according to claim 2, characterized in that: the sealing assembly comprises a lifting piston (601) fixed on a pedestal (4) and a traverse seat (802), the output end of the lifting piston (601) is connected with a pulley rod (602), the bottom of a piston rod of the lifting piston (601) is connected with a hot cutter plate (603), a pusher connected with a hot cutter is arranged in the hot cutter plate (603), the pusher can control the hot cutter to move up and down in the hot cutter plate (603), the hot cutter plate (603) of the sealing assembly fixed on the pedestal (4) is parallel to the surface of an inlet (101), and the hot cutter plates (603) of the sealing assembly fixed on the traverse seat (802) are parallel to the side wall (105) of the shell (1).

4. The auxiliary traction film sealing device of the heat shrinking machine, according to claim 3, is characterized in that: the hot platform mechanism is including fixing T platform (9) on boss (103), T platform (9) top be equipped with one with on pedestal (4) sealing assembly's hot cutter matched with horizontal channel (11), T platform (9) top still the symmetry be equipped with a plurality of with sealing assembly's hot cutter matched with indulges channel (10) on sideslip seat (802), whole it arranges the seat to indulge the groove to indulge channel (10) constitution.

5. The auxiliary traction film sealing device of the heat shrinking machine, according to claim 4, is characterized in that: the conveying mechanism comprises a plurality of wheel shafts (12) which are rotatably connected with longitudinal groove row seats, the wheel shafts (12) penetrate through all longitudinal grooves (10) in the longitudinal groove row seats, shaft belt wheels are arranged at two ends of the wheel shafts (12) and shaft bodies, the shaft body shaft belt wheels are arranged in groove positions formed between every two adjacent longitudinal grooves (10), belts (13) are wound on the outer sides of the two shaft belt wheels which are farthest away from the same groove positions, wheel rods A (1201) are arranged at two ends of the wheel shafts (12) close to inlets (101), the wheel rods A (1201) are connected with wheel rods B (1501) of a conveying belt (15) close to an outlet (102) through a transmission belt (16), the conveying belt (15) is rotatably connected with mounting plates (14) at two sides through the wheel rods B (1501), the mounting plates (14) are fixed on the bottom surface of a recess (104) of a shell (1), a driving motor (18) is further arranged on the bottom surface of the recess (104), a wheel rod C at the output end of the driving motor (18) is connected with the wheel rod B (1501) close to the inlet (101) through a power belt (17), the wheel rods C of the mounting plates (14) are connected with a bearing barrel (19) close to the inlet (19), and the position of a conveying machine receiving barrel (19) and the conveying machine (13) and the top of the conveying belt (13) are connected with the horizontal plane.

6. The auxiliary traction film sealing device of the heat shrinking machine according to claim 5, characterized in that: the feeding mechanism comprises an upper feeding barrel (20) which is rotatably connected with the side wall (105) and the opposite side face of the side wall, the upper feeding barrel (20) is arranged at a position close to the inlet (101), when the upper feeding barrel (20) is fully rolled with film materials, the bottom of the film material roll is not lower than the upper edge of the inlet (101), and a lower feeding barrel (21) is rotatably connected between the two mounting plates (14) at a position close to the boss (103).

7. The auxiliary traction film sealing device of the heat shrinking machine, according to claim 5, is characterized in that: positioning mechanism is including fixing involution sensor (23) in pedestal (4) bottom, involution sensor (23) transmitting end is towards transport mechanism, the infrared light of transmitting end transmission is located between pulley board (501) and hot cutting board (603), export (102) top inside wall is fixed and is sealed sensor (24), side seal sensor (24) transmitting end is towards transport mechanism, the infrared light of transmitting end transmission is located side seal part (8) and leans on the side of export (102) end, lateral wall (105) and to the side projection position be fixed with and survey wide sensor (22), it is located directly over receiving section of thick bamboo (19) to survey the infrared ray of wide sensor (22) transmission.

8. The auxiliary traction film sealing device of the heat shrinking machine, according to claim 5, is characterized in that: and sealing plates (25) are fixed on the side walls (105) and the opposite side faces of the side walls, and the tops of the sealing plates (25) and the tops of the conveying mechanisms are positioned on the same horizontal plane.

9. The auxiliary traction film sealing device of the heat shrinking machine, according to claim 1, is characterized in that: a waste box (26) is arranged below the conveyor B (3).