CN213706018U - Automatic heat-shrinkable packaging machine - Google Patents

Abstract

The application relates to an automatic heat-shrinkable packaging machine, which comprises a first conveying table for conveying an adhesive tape roll, a positioning device arranged on the first conveying table for positioning the adhesive tape roll, a film sealing device for packaging the adhesive tape roll, a second conveying table arranged on one side of the downstream end of the first conveying table for conveying the packaged adhesive tape roll and a heat-shrinkable furnace body for performing heat-shrinkable treatment on the packaged adhesive tape roll; the second conveying platform comprises a second conveying rack and a second conveying belt arranged on the second conveying rack and used for conveying the packaged adhesive tape rolls, the inlet end and the outlet end of the heat shrinkage furnace body are respectively provided with a winding rod rotatably connected to the heat shrinkage furnace body, a flexible retaining curtain with one end fixedly connected to the winding rod and a driving mechanism for driving the winding rod to rotate so as to wind and unwind the retaining curtain on the winding rod. This application has the influence that causes when can reducing the staff observation.

Description

Automatic heat-shrinkable packaging machine

Technical Field

The application relates to the technical field of heat shrink packaging machines, in particular to an automatic heat shrink packaging machine.

Background

The heat-shrinkable packaging is that a plastic film with heat-shrinkable performance is utilized to wrap and heat-seal materials, and then a packaged article passes through a heating chamber, so that the film is heated and shrunk at a certain temperature and is tightly attached to the article to form a neat and beautiful packaged article. In the tape production industry, a plurality of rolls of tape are packaged by a conventional heat shrink packaging machine to form one packaging unit.

At present, a Chinese patent with an authorization publication number of CN203958731U discloses a full-automatic heat-shrinkable packaging machine, which comprises a conveyor belt, wherein a packaging mechanism and a heat-shrinkable chamber are sequentially arranged on the conveyor belt according to the conveying direction of the conveyor belt, the packaging mechanism comprises a lower film placing frame arranged below the starting end of the conveyor belt and an upper film placing frame arranged above the conveyor belt, and a transverse sealing and cutting mechanism is arranged between the packaging mechanism and the heat-shrinkable chamber; the heat shrinkage chamber comprises a shell, and an inlet and an outlet are arranged on the shell; a heating element and a circulating fan positioned at the top in the shell are arranged in the shell; an air outlet is arranged on the shell wall, and an air cooler is arranged at the air outlet; the inner wall of the shell is provided with a heat insulation layer; and door curtains are arranged at the inlet and the outlet.

With respect to the related art, the inventors consider that the following drawbacks exist: and the inlet and the outlet of the heat shrinkage chamber are respectively provided with a door curtain for reducing the loss of heat in the heat shrinkage chamber. In order to ensure the normal operation of the heat shrinkage chamber in the use process, workers can regularly maintain the circulating fan and the heating element in the heat shrinkage chamber, and the working state of the circulating fan or the heating element is observed at an inlet or an outlet by the workers in the maintenance process. The door curtain in the patent is hung naturally through gravity, so that the existence of the door curtain can influence the observation and maintenance of workers on the circulating fan and the heating element, and certain inconvenience is caused.

SUMMERY OF THE UTILITY MODEL

The application provides an automatic heat shrink packaging machine, this heat shrink packaging machine's door curtain can reduce the influence that causes when observing the staff when playing the separation effect to the heat.

The application provides an automatic heat shrink packaging machine adopts following technical scheme:

an automatic heat-shrinkable packaging machine comprises a first conveying table for conveying an adhesive tape roll, a positioning device arranged on the first conveying table for positioning the adhesive tape roll, a film sealing device for packaging the adhesive tape roll, a second conveying table arranged on one side of the downstream end of the first conveying table for conveying the packaged adhesive tape roll and a heat-shrinkable furnace body for performing heat-shrinkable treatment on the packaged adhesive tape roll; the second conveying platform comprises a second conveying rack and a second conveying belt arranged on the second conveying rack and used for conveying the packaged adhesive tape rolls, the inlet end and the outlet end of the heat shrinkage furnace body are respectively provided with a winding rod rotatably connected to the heat shrinkage furnace body, a flexible retaining curtain with one end fixedly connected to the winding rod and a driving mechanism for driving the winding rod to rotate so as to wind and unwind the retaining curtain on the winding rod.

By adopting the technical scheme, when a worker observes components inside the heat shrinkage furnace body, the curtain is wound on the winding rod in a mode of driving the winding rod to rotate in the positive direction by the driving mechanism, so that the shielding area of the curtain on the outlet end and the inlet end is reduced, and the worker can observe and maintain the components inside the heat shrinkage furnace body more conveniently through the inlet end or the outlet end; after maintenance, the curtain is put down in a mode that the driving mechanism drives the winding rod to rotate reversely, so that the door curtain can play a role in blocking heat.

Preferably, the driving mechanism comprises a driving wheel fixedly connected to the winding rod, an operating rod protruding from the end face of the driving wheel, and a limiting assembly for limiting the rotation of the driving wheel in a damping manner.

Through adopting above-mentioned technical scheme, be provided with the moment of torsion that the drive wheel increase rotated the winding rod, the operator of being convenient for rotates the operation to the winding rod, is provided with the action bars, improves the convenience that rotates the drive wheel, is provided with spacing subassembly restriction drive wheel and rotates to the restriction rotates the winding rod.

Preferably, the limiting assembly comprises a support fixedly connected to the heat shrinkage furnace body, a limiting rod slidably penetrating the support, a joint fixed at the end of the limiting rod, a plurality of grooves formed in the circumferential surface of the driving wheel and an elastic piece forcing the joint to be in scarf joint with the grooves, and one surface of the joint close to the driving wheel is a hemispherical surface.

By adopting the technical scheme, when the joint is embedded in the groove, the rotation of the driving wheel is limited; the torque is continuously applied to the driving wheel, the driving wheel rotates to force the limiting rod to move towards the direction away from the fixed disc, the joint is separated from the groove, the elastic piece has elastic potential energy until the elastic piece corresponds to the next groove, and the elastic piece resets to force the joint to be embedded in the groove.

Preferably, the elastic element is a compression spring sleeved on the limiting rod, one end of the compression spring is fixedly connected to the support, and the other end of the compression spring is fixed or abutted to the end face, far away from the driving wheel, of the joint.

Through adopting above-mentioned technical scheme, the compression spring of gag lever post is located for the cover to the elastic component, has good elasticity resilience ability and is convenient for install.

Preferably, a material pushing frame is arranged on one side, away from the second conveying table, of the downstream end of the first conveying table, a material pushing device for pushing the adhesive tape roll to be packaged on the first conveying table to the second conveying table is arranged on the material pushing frame, and the material pushing device comprises a material pushing plate connected to the first conveying table in a sliding mode and a driving piece for driving the material pushing plate to do reciprocating sliding motion.

By adopting the technical scheme, the driving piece drives the material pushing plate to do reciprocating sliding motion, so that the adhesive tape roll to be packaged on the first conveying platform is pushed to the film sealing device for packaging.

Preferably, the positioning device comprises a fixing plate arranged on one side of the first conveying table and a deviation correcting plate which is parallel to the fixing plate and arranged on the other side of the first conveying table, and a track for conveying the adhesive tape roll is formed between the fixing plate and the deviation correcting plate.

Through adopting above-mentioned technical scheme, be provided with the fixed plate and rectify the board, form the track that supplies the sticky tape to roll up the transport between fixed plate and the board of rectifying, when effectively reducing the sticky tape roll and carry on first transport platform, because factors such as mechanical vibration take place rolling probably to guarantee the regularity of each sticky tape roll, effectively improve the packing quality of a plurality of sticky tape rolls.

Preferably, the first conveying table comprises a first conveying rack and a first conveying belt arranged on the first conveying rack for conveying the adhesive tape roll, the deviation correcting plate is connected to the first conveying rack in a sliding mode, and the first conveying rack is provided with a fixing assembly for limiting the sliding position of the deviation correcting plate.

Through adopting above-mentioned technical scheme, the board of rectifying slides and connects in first transport frame, and the staff of being convenient for adjusts the interval between board of rectifying and the fixed plate according to the adhesive tape roll of different sizes of a dimension, and then increases this heat shrink packaging machine's application range, improves economic benefits, adjusts the position of sliding of accomplishing the back through fixed subassembly restriction board of rectifying to effectively fix a position the adhesive tape roll.

Preferably, the fixing assembly comprises a mounting plate arranged on the side wall of the first conveying rack, a fixing rod which is slidably arranged on the mounting plate in a penetrating manner and is fixedly connected to the deviation correcting plate at the end part, and a screw which is threadedly arranged on the mounting plate and is abutted against the peripheral wall of the fixing rod to limit the sliding position of the fixing rod in a damping manner.

By adopting the technical scheme, when the sliding position of the deviation correcting plate needs to be adjusted, the screw rod is unscrewed to enable the end part of the screw rod to be separated from the peripheral wall of the fixed rod, so that the fixed rod is released from being fixed, the fixed rod is slid to adjust the distance between the deviation correcting plate and the fixed plate, and after the adjustment is finished, the screw rod is screwed to enable the end part of the screw rod to be tightly abutted to the peripheral wall of the fixed rod, so that the sliding position of the fixed rod is.

In summary, the present application includes at least one of the following beneficial technical effects:

when workers need to observe components inside the heat shrinkage furnace body, the curtain is wound on the winding rod in a mode that the driving mechanism drives the winding rod to rotate in the forward direction, so that the shielding area of the curtain for an outlet end and an inlet end is reduced, and the workers can observe and maintain the components inside the heat shrinkage furnace body more conveniently through the inlet end or the outlet end; after maintenance, the curtain is put down in a mode that the driving mechanism drives the winding rod to rotate reversely, so that the door curtain can play a role in blocking heat;

the winding device is provided with the driving wheel to increase the torque for rotating the winding rod, so that an operator can conveniently rotate the winding rod, the operating rod is arranged to improve the convenience for rotating the driving wheel, and the limiting assembly is arranged to limit the driving wheel to rotate so as to limit the winding rod to rotate;

be provided with fixed plate and correction plate, form the track that supplies the sticky tape coil to carry between fixed plate and the correction plate, when effectively reducing the sticky tape roll and carrying on first transport bench, because factors such as mechanical vibration take place rolling probably to guarantee the regularity of each sticky tape roll, effectively improve the packing quality of a plurality of sticky tape rolls.

Drawings

Fig. 1 is a schematic view of the overall construction of an automatic heat shrink packaging machine.

Fig. 2 is a schematic structural diagram of the positioning device.

Fig. 3 is a schematic structural view of the pusher.

Fig. 4 is an enlarged partial schematic view at a of fig. 2.

FIG. 5 is a schematic view of a cutting and sealing mechanism.

FIG. 6 is a schematic view showing the structure of a heat shrinkable furnace body.

Fig. 7 is a schematic structural view of the drive mechanism.

Description of reference numerals: 1. a first conveying table; 11. a first conveyor frame; 12. a first conveyor belt; 13. a packaging frame; 14. a material guide table; 141. a guide plate; 15. a material pushing frame; 16. a baffle plate; 2. a positioning device; 21. a fixing plate; 22. a deviation rectifying plate; 23. mounting grooves; 24. a rotating shaft; 25. a rotating wheel; 26. a fixing assembly; 261. mounting a plate; 262. fixing the rod; 263. a screw; 264. rotating the handle; 3. a film sealing device; 31. putting a film reel on the film; 32. a film releasing reel is arranged; 33. packaging the film roll; 34. cutting and heat sealing mechanism; 341. a sliding beam; 342. cutting and sealing the film knife; 343. a lifting cylinder; 35. an upper guide roller; 36. a lower guide roller; 4. a second conveying table; 41. a second conveyor frame; 42. a second conveyor belt; 5. a heat-shrinkable furnace body; 51. a bearing seat; 52. winding the rod; 53. a curtain; 6. a material pushing device; 61. a material pushing cylinder; 62. a material pushing plate; 63. a limiting plate; 7. a drive mechanism; 71. a drive wheel; 72. an operating lever; 73. a limiting component; 731. a support; 732. a limiting rod; 733. a joint; 734. a groove; 735. compressing the spring.

Detailed Description

The present application is described in further detail below with reference to figures 1-7.

The embodiment of the application discloses an automatic heat-shrinkable packaging machine, referring to fig. 1, which comprises a first conveying table 1 for conveying an adhesive tape roll, a positioning device 2 arranged on the first conveying table 1 for positioning the adhesive tape roll, a film sealing device 3 for packaging the adhesive tape roll, a second conveying table 4 arranged on one side of the downstream end of the first conveying table 1 for conveying the packaged adhesive tape roll, and a heat-shrinkable furnace body 5 for performing heat-shrinkable treatment on the packaged adhesive tape roll.

Referring to fig. 1 and 2, the first conveying platform 1 includes a first conveying frame 11 and a first conveying belt 12 disposed on the first conveying frame 11 for conveying the adhesive tape roll, and the first conveying belt 12 is a belt-type conveying belt and is driven by a motor. The positioning device 2 includes a fixing plate 21 parallel to the length direction of the first conveying frame 11 and disposed on one side of the first conveying table 1, and a deviation correcting plate 22 parallel to the fixing plate 21 and disposed on the other side of the first conveying table 1. The fixed plate 21 and the deviation correcting plate 22 are both located above the first conveyor belt 12, and a track for conveying the adhesive tape roll is formed between the fixed plate 21 and the deviation correcting plate 22.

Referring to fig. 2 and 3, the downstream end of the first conveyor frame 11 is provided with a baffle 16 for preventing the adhesive tape roll from sliding out of the first conveyor table 1, and the baffle 16, the downstream end of the fixed plate 21 and the downstream end of the deviation correcting plate 22 form a discharge area for discharging the adhesive tape roll. Fixed plate 21, the relative one side of rectifying plate 22 all seted up along its length direction extending's mounting groove 23, and fixedly connected with axis is the axis of rotation 24 of vertical setting in mounting groove 23, and axis of rotation 24 is provided with a plurality ofly and distributes along the extending direction of mounting groove 23, and coaxial rotation cover is equipped with rotation wheel 25 on the axis of rotation 24, and rotation wheel 25 is the rubber tyer.

Referring to fig. 2 and 4, the deviation correcting plate 22 is connected to the first conveying frame 11 in a sliding manner along the width direction of the first conveying frame 11, the first conveying frame 11 is provided with fixing assemblies 26 for limiting the sliding position of the deviation correcting plate 22, at least two groups of fixing assemblies 26 are arranged and distributed along the length direction of the deviation correcting plate 22, and the number of the fixing assemblies 26 is set according to the actual length of the deviation correcting plate 22. Each set of the fixing assemblies 26 includes a mounting plate 261 fixedly connected to the side wall of the first conveyor frame 11, a fixing rod 262 slidably disposed through the mounting plate 261 and having an end fixedly connected to the deviation correcting plate 22 far away from the side wall of the fixing plate 21, and a screw 263 threadedly disposed through the upper end surface of the mounting plate 261 and having an end abutting against the peripheral wall of the fixing rod 262 to limit the sliding position of the fixing rod 262 in a damping manner. The fixed rod 262 is located above the first conveyor belt 12, and the axial direction of the fixed rod 262 is parallel to the width direction of the first conveyor frame 11, the axis of the screw 263 is vertically arranged, and the upper end of the screw 263 is fixedly connected with a rotating handle 264.

Referring to fig. 1, a packing frame 13 is disposed at a downstream end of the first conveyor frame 11, a material guiding table 14 for allowing a packed adhesive tape roll to fall onto the second conveyor belt 42 is obliquely disposed on the packing frame 13, one end of the material guiding table 14 close to the packing frame 13 is higher than one end of the material guiding table 14 far away from the packing frame 13, guide plates 141 are disposed at two sides of the material guiding table 14, and an elastic pad is fixedly mounted at an opposite side of each guide plate 141. A material pushing frame 15 is arranged on one side, away from the second conveyor frame 41, of the downstream end of the first conveyor frame 11, and a material pushing device 6 for pushing the adhesive tape roll to be packaged on the first conveyor frame 11 to the material guiding table 14 is arranged on the material pushing frame 15.

Referring to fig. 1 and 3, the pushing device 6 includes a pushing cylinder 61 having a cylinder body fixedly connected to the pushing frame 15, and a pushing plate 62 sliding along the width direction of the first conveyor frame 11 to push the adhesive tape roll to be packaged on the first conveyor belt 12 to the packaging frame 13. The number of the material pushing cylinders 61 is two, the end part of a piston rod of each material pushing cylinder 61 is fixedly connected to one side, away from the packaging frame 13, of the material pushing plate 62, and a limiting plate 63 for controlling the opening and closing of a discharge port of the track is arranged on one side, close to the positioning device 2, of the material pushing plate 62.

Referring to fig. 2 and 5, the film sealing device 3 includes an upper film unwinding reel 31 rotatably connected to the packaging frame 13 and located above the first conveyor belt 12, a lower film unwinding reel 32 rotatably connected to the packaging frame 13 and located below the first conveyor belt 12, a packaging film roll 33 fixedly wound around the upper film unwinding reel 31 and the lower film unwinding reel 32, and a cutting and heat sealing mechanism 34 for performing cutting and heat sealing on the packaging film. The packaging frame 13 is rotatably connected with an upper guide roller 35 and a lower guide roller 36 which are vertically distributed, the end part of the packaging film roll 33 of the upper film-releasing reel 31 is wound on the upper peripheral wall of the upper guide roller 35, the end part of the packaging film roll of the lower film-releasing reel 32 is wound on the lower peripheral wall of the lower guide roller 36, and in an initial state, the end part of the packaging film roll 33 of the upper film-releasing reel 31 is fixedly connected with the end part of the packaging film roll 33 of the lower film-releasing reel 32.

Referring to fig. 5, the cutting and heat-sealing mechanism 34 is located on a side of the connected packaging film away from the material pushing plate 62, the cutting and heat-sealing mechanism 34 includes a sliding beam 341 connected to the packaging frame 13 in a sliding manner along the vertical direction, and a lifting cylinder 343 fixedly installed on the sliding beam 341 for cutting and heat-sealing the packaging film, and driving the sliding beam 341 to lift, a cylinder body of the lifting cylinder 343 is fixedly connected to the packaging frame 13, and a piston rod of the lifting cylinder 343 is fixedly connected to an upper end surface of the sliding beam 341.

Referring to fig. 6 and 7, the second conveying platform 4 includes a second conveying frame 41 and a second conveying belt 42 disposed on the second conveying frame 41 for conveying the packaged adhesive tape roll, and the first conveying belt 12 is a belt-type conveying belt and driven by a motor. The inlet end and the outlet end of the thermal contraction furnace body 5 are respectively provided with a bearing seat 51 fixedly connected to the side wall of the end part of the thermal contraction furnace body 5, a rolling rod 52 rotatably connected to the bearing seat 51, a flexible curtain 53 with one end fixedly connected to the rolling rod 52, and a driving mechanism 7 for driving the rolling rod 52 to rotate so as to wind and unwind the curtain 53 on the rolling rod 52. The bearing blocks 51 are provided in two and distributed along the width direction of the second conveyor frame 41, and the axial direction of the winding rod 52 is provided along the width direction of the second conveyor frame 41.

The driving mechanism 7 includes a driving wheel 71 coaxially and fixedly connected to an end of the winding rod 52, an operating rod 72 protruding from an end surface of the driving wheel 71 and fixedly connected thereto, and a limit assembly 73 for limiting the rotation of the driving wheel 71 in a damping manner. The limiting component 73 comprises a support 731 fixedly connected to the side wall of the heat shrinkable furnace body 5 and located above the driving wheel 71, a limiting rod 732 passing through the support 731 in a vertical sliding manner, a joint 733 fixedly connected to the lower end of the limiting rod 732 and located between the support 731 and the driving wheel 71, a plurality of grooves 734 arranged on the circumferential surface of the driving wheel 71, and an elastic member forcing the joint 733 to be in engagement with the grooves 734. One surface of the joint 733 near the driving wheel 71 is a hemispherical surface, the elastic member is a compression spring 735 sleeved on the limiting rod 732, one end of the compression spring 735 is fixedly connected to the support 731, and the other end of the compression spring 735 is fixed to or abutted against an end surface of the joint 733 far away from the driving wheel 71.

The automatic heat-shrinkable packaging machine of the embodiment of the application is implemented according to the principle that: the packaging machine is provided with a fixed plate 21 and a deviation correcting plate 22, a track for conveying a tape roll is formed between the fixed plate 21 and the deviation correcting plate 22, a first conveying belt 12 conveys the tape rolls, the possibility of rolling of the tape rolls due to factors such as mechanical vibration is effectively reduced when the tape rolls are conveyed on a first conveying table 1, the uniformity of each tape roll is guaranteed, the packaging quality of a plurality of tape rolls is effectively improved, when the tape rolls are conveyed to a discharge area, a piston rod of a material pushing cylinder 61 extends to drive a material pushing plate 62 to slide towards a direction close to a packaging frame 13, so that the plurality of tape rolls are pushed to the packaging frame 13 side by side, the tape rolls roll towards a direction close to a material guiding table 14 under the action of force and drive a packaging film roll 33 to perform unwinding action, so that the packaging film is coated on the tape rolls, a piston rod of a lifting cylinder 343 extends to drive a sliding beam 341 to descend so as, the packaged adhesive tape roll falls to the second conveyer belt 42 through the material guiding table 14, and the second conveyer belt 42 conveys the packaged adhesive tape roll to the heat shrinkage furnace body 5 for heat shrinkage treatment.

When parts inside the heat shrinkage furnace body 5 need to be maintained, a worker holds the operating rod 72 by hand to drive the driving wheel 71 to rotate so as to drive the winding rod 52 to rotate and further complete the winding of the stop curtain 53, the limiting rod 732 jumps vertically in the winding process, and when the connector 733 is embedded in the groove 734, the rotation of the driving wheel 71 is limited, so that the worker can better observe the inside of the heat shrinkage furnace body 5 through the inlet end or the outlet end and can enter the inside for maintenance.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. An automatic heat-shrinkable packaging machine, characterized in that: the device comprises a first conveying platform (1) for conveying an adhesive tape roll, a positioning device (2) arranged on the first conveying platform (1) for positioning the adhesive tape roll, a film sealing device (3) for packaging the adhesive tape roll, a second conveying platform (4) arranged on one side of the downstream end of the first conveying platform (1) for conveying the packaged adhesive tape roll and a heat-shrinkable furnace body (5) for performing heat-shrinking treatment on the packaged adhesive tape roll; the second conveying platform (4) comprises a second conveying rack (41) and a second conveying belt (42) arranged on the second conveying rack (41) and used for conveying packaged adhesive tape rolls, the inlet end and the outlet end of the heat shrinkage furnace body (5) are respectively provided with a winding rod (52) rotatably connected to the heat shrinkage furnace body (5), a flexible blocking curtain (53) with one end fixedly connected to the winding rod (52) and a driving mechanism (7) for driving the winding rod (52) to rotate so as to receive and release the blocking curtain (53) on the winding rod (52).

2. The automatic heat shrink wrapping machine of claim 1, wherein: the driving mechanism (7) comprises a driving wheel (71) fixedly connected to the winding rod (52), an operating rod (72) protruding from the end face of the driving wheel (71), and a limiting assembly (73) for limiting the rotation of the driving wheel (71) in a damping mode.

3. An automatic heat shrink wrapping machine as defined in claim 2 wherein: the limiting component (73) comprises a support (731) fixedly connected to the heat shrinkage furnace body (5), a limiting rod (732) slidably arranged in the support (731), a joint (733) fixed to the end of the limiting rod (732), a plurality of grooves (734) formed in the circumferential surface of the driving wheel (71) and an elastic piece forcing the joint (733) to be in scarf joint with the grooves (734), wherein one surface, close to the driving wheel (71), of the joint (733) is a hemispherical surface.

4. An automatic heat shrink wrapping machine as defined in claim 3 wherein: the elastic piece is a compression spring (735) sleeved on the limiting rod (732), one end of the compression spring (735) is fixedly connected to the support (731), and the other end of the compression spring (735) is fixed to or abutted against the end face, far away from the driving wheel (71), of the joint (733).

5. The automatic heat shrink wrapping machine of claim 1, wherein: the packaging machine is characterized in that a material pushing frame (15) is arranged on one side, away from the second conveying table (4), of the downstream end of the first conveying table (1), a material pushing device (6) for pushing a tape roll to be packaged on the first conveying table (1) to the second conveying table (4) is arranged on the material pushing frame (15), and the material pushing device (6) comprises a material pushing plate (62) connected to the first conveying table (1) in a sliding mode and a driving piece for driving the material pushing plate (62) to do reciprocating sliding motion.

6. The automatic heat shrink wrapping machine of claim 1, wherein: the positioning device (2) comprises a fixing plate (21) arranged on one side of the first conveying platform (1) and a deviation correcting plate (22) which is parallel to the fixing plate (21) and arranged on the other side of the first conveying platform (1), and a track for conveying the adhesive tape roll is formed between the fixing plate (21) and the deviation correcting plate (22).

7. An automated heat shrink wrapping machine according to claim 6 wherein: the first conveying platform (1) comprises a first conveying rack (11) and a first conveying belt (12) arranged on the first conveying rack (11) and used for conveying adhesive tape rolls, the deviation correcting plate (22) is connected to the first conveying rack (11) in a sliding mode, and the first conveying rack (11) is provided with a fixing assembly (26) for limiting the sliding position of the deviation correcting plate (22).

8. An automated heat shrink wrapping machine according to claim 7 wherein: the fixing component (26) comprises a mounting plate (261) arranged on the side wall of the first conveying rack (11), a fixing rod (262) which is slidably arranged on the mounting plate (261) in a penetrating mode and fixedly connected to the deviation rectifying plate (22) at the end part, and a screw (263) which is threadedly arranged on the mounting plate (261) in a penetrating mode and abutted against the peripheral wall of the fixing rod (262) to limit the sliding position of the fixing rod (262) in a damping mode.

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