Conveying device for heat shrink packaging mechanism

Abstract

The conveying device for the heat shrink packaging mechanism comprises a machine shell, a rotating roller, a conveying belt, a packaging component and a picking component, a motor is fixedly connected to one side of the machine shell, a feeding port is fixedly connected to the upper portion of the machine shell, and a rotating shaft and a supporting shaft are rotationally connected to the interior of the machine shell. One end of the rotating shaft is fixedly connected with the output end of the motor, one end of the supporting shaft is fixedly connected with a rotating disc, a discharging port is formed in the rotating disc, a channel is arranged above the rotating disc and abuts against the rotating disc, bevel teeth are fixedly connected to the supporting shaft and the rotating shaft respectively, the bevel teeth are meshed with one another, and a disc is fixedly connected to the rotating shaft. The disc is connected with a packaging component used for packaging workpieces, one side of the disc is connected with a picking component used for picking packaging bags, and a storage table is fixedly connected into the machine shell. Manual intervention is not needed, the working efficiency is improved, and the labor cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging, in particular to a conveying device for a heat shrink packaging mechanism. Background Art

[0002] Heat shrink packaging is one of the more advanced packaging methods on the market. It involves wrapping a product or package with shrink film. Heat is applied to the film, tightening it around the product or package, fully displaying the product's appearance, enhancing its marketability, and adding to its aesthetics and value. Some workpieces require heat shrink packaging after production.

[0003] The usual method of heat shrink packaging for workpieces is to manually open the packaging bag, then place the workpiece in the packaging bag, and then place the workpiece wrapped in the packaging bag on a conveyor for transportation. The heat shrink packaging mechanism then heats the packaging bag, causing the packaging bag to shrink to the outside of the workpiece.

[0004] In the prior art, a Chinese patent with publication number CN218343851U is proposed to solve the above-mentioned technical problems. The technical solution disclosed in the patent document is as follows: A conveying device for a heat shrink packaging mechanism includes a base plate, four groups of vertical plates, two groups of first rotating shafts, two groups of conveying rollers, a driving motor, a reducer, a mesh belt and a bag-holding device. The four groups of vertical plates are respectively installed on the front and rear parts of the left and right sides of the top of the base plate, the two groups of first rotating shafts are respectively rotatably installed on the two groups of vertical plates on the left and the two groups of vertical plates on the right, the two groups of conveying rollers are respectively installed on the two groups of first rotating shafts, the bottom end of the driving motor is connected to the top end of the reducer, and a bag-holding device is provided on the base plate. The bag-holding device includes a mounting plate, a bearing seat, a second rotating shaft, a support frame, a rotating frame, two groups of hydraulic cylinders, two groups of push rods, two groups of suction cups and a rotating device. The two groups of push rods are respectively connected to the output ends of the two groups of hydraulic cylinders, and the two groups of suction cups are respectively installed on the two groups of push rods. However, the device still requires manual cooperation for operation and has low working efficiency. Utility Model Content

[0005] The purpose of the present utility model is to provide a conveying device for a heat shrink packaging mechanism to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0007] A conveying device for a heat shrink packaging mechanism includes a casing, a rotating roller and a conveyor belt. A motor is fixedly connected to one side of the casing, a through hole is opened on one side of the casing, a feed port is fixedly connected to the top of the casing, a rotating shaft and a support shaft are rotatably connected in the casing, one end of the rotating shaft is fixedly connected to the output end of the motor, and one end of the support shaft is fixedly connected to a turntable, a discharge port is opened on the turntable, a channel is provided above the turntable, the channel conflicts with the turntable, bevel teeth are fixedly connected to the support shaft and the rotating shaft, the bevel teeth are meshed with each other, a disc is fixedly connected to the rotating shaft, a packing component for packing workpieces is connected to the disc, a picking component for picking up packaging bags is connected to one side of the disc, and a storage table is fixedly connected in the casing.

[0008] When the workpiece needs to be packaged, the workpiece can be placed in the feed port first, and then the motor is started. At this time, the rotation of the motor will drive the rotating shaft to rotate, and the rotating shaft will transmit power to the support shaft through the bevel gear, thereby driving the support column to rotate. The rotation of the support shaft will drive the disc to rotate. When the discharge port on the turntable is aligned with the channel, the workpiece will fall into the packaging component through the discharge port. At this time, the rotating shaft will drive the packaging component to pack the workpiece and then transport it to the conveyor belt for heat shrinkage treatment. The packaging component will then cooperate with the picking component to pick up the packaging bag again and carry out packaging processing. This does not require manual intervention, which not only speeds up work efficiency but also reduces labor costs.

[0009] The further improvement of the technical solution of the present utility model is that: the packing component includes a rotating shaft, the rotating shaft is rotatably connected to the disc, the rotating shaft is fixedly connected to a baffle on one side away from the disc, a slide groove is provided on the baffle, a first baffle is slidably connected in the slide groove, a shaft body is rotatably connected on the baffle, one end of the shaft body is fixedly connected to a gear, and the other end of the baffle is fixedly connected to a second baffle, the first baffle and the second baffle are fixedly connected to a suction cup, the disc is fixedly connected to a cylinder body, a piston plate is slidably connected inside the cylinder body, a pressure plate is fixedly connected on one side of the piston plate, one end of the pressure plate is fixedly connected to a pressure spring, the other end of the pressure spring is fixedly connected to the cylinder body, a first connecting rod, a second connecting rod and a third connecting rod are respectively provided on one side of the disc along the circumferential direction, the first connecting rod, the second connecting rod and the third connecting rod are fixedly connected to the casing through a support column, and the other end of the suction cup is connected to the cylinder body.

[0010] The above-mentioned technical solution is adopted. In this solution, when the discharge port on the turntable is aligned with the channel, the first baffle and the second baffle are located below the discharge port and the packaging bag is adsorbed between the suction cups. When the motor rotates to drive the pressure plate to rotate to the first connecting rod, the pressure plate is squeezed and the pressure spring is in a compressed state. The piston plate will squeeze the air inside the cylinder into the suction cup, making it impossible for the suction cup to adsorb the packaging bag. At this time, the packaging bag falls onto the conveyor belt together with the workpiece and then undergoes a heat shrink process for packaging. When the motor continues to rotate to the front and back of the second connecting rod, it will cooperate with the picking component to pick up the packaging bag above the storage table, and then expand the packaging bag when passing through the third connecting rod, thereby realizing automatic packaging of the workpiece without the participation of staff, reducing costs and improving work efficiency.

[0011] A further improvement of the technical solution of the present utility model is that the picking component includes a first rack and a second rack, the first rack and the second rack are both used in conjunction with the gear, the first rack is fixedly connected to the support column, and the second rack is fixedly connected to the casing.

[0012] The above-mentioned technical solution is adopted. In this solution, when the support shaft rotates to drive the first baffle and the second baffle to pass through the first connecting rod, the gear on the second baffle side is meshed with the first rack. At this time, the gear moves and meshes with the first rack, which will cause the gear to rotate. The rotation of the gear will drive the second baffle to rotate, so that the side of the second baffle with the suction cup faces downward, and then the second connecting rod conflicts with the pressure plate. At this time, the pressure spring is in a compressed state. When the pressure plate does not conflict with the second connecting rod, the pressure spring returns to its original position and drives the piston plate to move. At this time, the suction cup on the surface of the second baffle generates suction to adsorb the packaging bag on the storage table to the surface. At this time, the gear will mesh with the second rack, and the gear will rotate in the opposite direction by meshing with the second rack until it returns to its original state. Then the first baffle and the second baffle continue to move in the circumferential direction.

[0013] A further improvement of the technical solution of the present utility model is that: a sliding shaft is provided in a sliding connection on the first baffle, an electromagnet is fixedly provided on the second baffle, an iron block is fixedly provided on the first baffle, an elastic spring is provided on the outside of the sliding shaft, one end of the elastic spring is fixedly connected to the sliding shaft, and the other end of the elastic spring is fixedly connected to the first baffle.

[0014] The above-mentioned technical solution is adopted. In this solution, when the pressure plate moves to the third connecting rod and collides with the third connecting rod, the electromagnet is energized to generate suction on the iron block. The suction force will attract the iron block so that the first baffle moves to the side of the second baffle through the slide groove. The elastic spring is in a compressed state. At this time, the suction cup has no suction but the packaging bag will be clamped by the first baffle and the second baffle. When the pressure plate passes through the third connecting rod, the suction cups on one side of the first baffle and the second baffle will generate suction to adsorb the packaging bag. At the same time, the electromagnet is de-energized, and the elastic force of the elastic spring will push the first baffle to move, thereby achieving the purpose of opening the packaging bag.

[0015] A further improvement of the technical solution of the present utility model is that the first rack and the second rack are symmetrically arranged.

[0016] By adopting the above technical solution, the first rack and the second rack are symmetrically arranged, so that the suction cup on one side of the second baffle can quickly absorb the packaging bag. At the same time, the symmetrical arrangement can also prevent the gear from returning to its original state after absorbing the packaging bag.

[0017] A further improvement of the technical solution of the present invention is that the ends of the first connecting rod, the second connecting rod and the third connecting rod that are in contact with the pressure plate are provided with rounded corners.

[0018] The above technical solution is adopted, in which rounded corners are provided at the ends of the first connecting rod, the second connecting rod and the third connecting rod that contact the pressure plate to facilitate the contact between the connecting rod and the pressure plate, while also effectively reducing the wear between the connecting rod and the pressure plate, thereby extending the service life of the parts.

[0019] Due to the adoption of the above technical solution, the present invention has achieved the following technical advancements compared to the prior art:

[0020] 1. The utility model provides a conveying device for a heat shrink packaging mechanism. When the pressing plate moves to the third connecting rod and conflicts with the third connecting rod, the electromagnet is energized to generate suction on the iron block. The suction will attract the iron block so that the first baffle moves to one side of the second baffle through the slide groove. The elastic spring is in a compressed state. At this time, the suction cup has no suction but the packaging bag will be clamped by the first baffle and the second baffle. When the pressing plate passes through the third connecting rod, the suction cups on one side of the first baffle and the second baffle will generate suction to adsorb the packaging bag. At the same time, the electromagnet is de-energized, and the elastic force of the elastic spring will push the first baffle to move, thereby achieving the purpose of expanding the packaging bag.

[0021] 2. The utility model provides a conveying device for a heat shrink packaging mechanism. By arranging the first rack and the second rack symmetrically, the suction cup on one side of the second baffle can quickly absorb the packaging bag. At the same time, the symmetrical arrangement can also prevent the gear from returning to its original state after absorbing the packaging bag.

[0022] 3. The utility model provides a conveying device for a heat shrink packaging mechanism. Rounded corners are provided at the ends of the first connecting rod, the second connecting rod and the third connecting rod that contact the pressure plate to facilitate the contact between the connecting rod and the pressure plate, while also effectively reducing the wear between the connecting rod and the pressure plate, thereby extending the service life of the parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The present invention will be further described below with reference to the accompanying drawings.

[0024] Figure 1 It is a structural diagram of the utility model;

[0025] Figure 2 This is a schematic diagram of the packaging component structure of the present utility model;

[0026] Figure 3 This is a schematic diagram of the structure of the pickup component of the present utility model;

[0027] Figure 4 It is a schematic diagram of the cross-sectional structure of the utility model;

[0028] Figure 5 This is a schematic diagram of the partial structure of the pickup component of the present utility model;

[0029] Figure 6 This is a schematic diagram of the packaging component structure of the present utility model;

[0030] In the figure: 1. Casing; 2. Rotating roller; 3. Conveyor belt; 4. Motor; 5. Through hole; 6. Feed port; 7. Rotating shaft; 8. Support shaft; 9. Turntable; 11. Channel; 12. Bevel gear; 13. Disc; 14. Storage table; 16. Baffle; 17. Slide; 18. First baffle; 19. Second baffle; 21. Gear; 22. Suction cup; 23. Cylinder; 24. Piston plate; 25. Pressure plate; 26. Pressure spring; 27. Elastic spring; 28. First connecting rod; 29. Second connecting rod; 30. Third connecting rod; 31. Support column; 32. First rack; 33. Second rack; 34. Sliding shaft; 37. Fillet. DETAILED DESCRIPTION

[0031] The present invention is further described in detail below with reference to the embodiments:

[0032] Example 1

[0033] like Figure 2 As shown, the utility model provides a conveying device for a heat shrink packaging mechanism, including a casing 1, a rotating roller 2 and a conveyor belt 3. A motor 4 is fixedly connected to one side of the casing 1, a through hole 5 is opened on one side of the casing 1, and a feed port 6 is fixedly connected to the top of the casing 1. A rotating shaft 7 and a support shaft 8 are rotatably connected in the casing 1. One end of the rotating shaft 7 is fixedly connected to the output end of the motor 4, and one end of the support shaft 8 is fixedly connected to a turntable 9. A discharge port is opened on the turntable 9, and a channel 11 is provided above the turntable 9. The channel 11 conflicts with the turntable 9, and bevel teeth 12 are fixedly connected to the support shaft 8 and the rotating shaft 7, respectively. The bevel teeth 12 are meshed with each other, and a disc 13 is fixedly connected to the rotating shaft 7. A packing component for packing workpieces is connected to the disc 13, and a picking component for picking up packaging bags is connected to one side of the disc 13. A storage table 14 is fixedly connected in the casing 1.

[0034] In this embodiment, when the workpiece needs to be packaged, the workpiece can be placed in the feed port 6 first, and then the motor 4 is started. At this time, the rotation of the motor 4 will drive the rotating shaft 7 to rotate, and the rotating shaft 7 will transmit power to the support shaft 8 through the bevel gear 12, thereby driving the support column 31 to rotate. The rotation of the support shaft 8 will drive the disc 13 to rotate. When the discharge port on the turntable 9 is aligned with the channel 11, the workpiece will fall into the packaging component through the discharge port. At this time, the rotating shaft 7 will drive the packaging component to pack the workpiece and then transport it to the conveyor belt 3 for heat shrinkage treatment. Then the packaging component will cooperate with the picking component to pick up the packaging bag again and perform packaging processing. This does not require manual intervention, which not only speeds up work efficiency but also reduces labor costs.

[0035] like Figure 2 As shown, in this embodiment, preferably, the packaging component includes a rotating shaft, which is rotatably connected to the disc 13, and a baffle 16 is fixedly connected to the side of the rotating shaft away from the disc 13. A slide groove 17 is provided on the baffle 16, and a first baffle 18 is slidably connected in the slide groove 17. A shaft body is rotatably connected to the baffle 16, and a gear 21 is fixedly connected to one end of the shaft body. A second baffle 19 is fixedly connected to the other end of the baffle 16. A suction cup 22 is fixedly connected to both the first baffle 18 and the second baffle 19. The disc 13 is fixedly connected to the baffle 16. A cylinder body 23 is provided, and a piston plate 24 is slidingly connected inside the cylinder body 23. A pressure plate 25 is fixedly connected to one side of the piston plate 24. A pressure spring 26 is fixedly connected to one end of the pressure plate 25. The other end of the pressure spring 26 is fixedly connected to the cylinder body 23. A first connecting rod 28, a second connecting rod 29 and a third connecting rod 30 are respectively provided on one side of the disc 13 in a circumferential direction. The first connecting rod 28, the second connecting rod 29 and the third connecting rod 30 are fixedly connected to the casing 1 through a support column 31. The other end of the suction cup 22 is connected to the cylinder body 23.

[0036] When the discharge port on the turntable 9 is aligned with the channel 11, the first baffle 18 and the second baffle 19 are located below the discharge port and the packaging bag is adsorbed between the suction cup 22. When the motor 4 rotates to drive the pressure plate 25 to rotate to the first connecting rod 28, the pressure plate 25 is squeezed and the pressure spring 26 is in a compressed state. The piston plate 24 will squeeze the air inside the cylinder 23 into the suction cup 22, so that the suction cup 22 cannot adsorb the packaging bag. At this time, the packaging bag falls to the conveyor belt 3 together with the workpiece and then undergoes a heat shrink process for packaging. When the motor 4 continues to rotate to around the second connecting rod 29, it will cooperate with the picking component to pick up the packaging bag above the storage table 14, and then open the packaging bag by passing through the third connecting rod 30, so that the workpiece can be automatically packaged without the participation of staff, reducing costs and improving work efficiency.

[0037] like Figure 3As shown, preferably, the picking component includes a first rack 32 and a second rack 33. The first rack 32 and the second rack 33 are both used in conjunction with the gear 21. The first rack 32 is fixedly connected to the support column 31, and the second rack 33 is fixedly connected to the housing 1.

[0038] The gear 21 is meshed with the second rack 33, and the meshing with the second rack 33 causes the gear 21 to rotate in the opposite direction until it returns to its original state, and then the first baffle 19 and the second baffle 19 continue to move in the circumferential direction.

[0039] Example 2

[0040] like Figure 5 As shown, based on Example 1, the utility model provides a technical solution: preferably, a sliding shaft 34 is provided in a sliding connection on the first baffle 18, an electromagnet is fixedly provided on the second baffle 19, an iron block is fixedly provided on the first baffle 18, and an elastic spring 27 is provided on the outer side of the sliding shaft 34, one end of the elastic spring 27 is fixedly connected to the sliding shaft 34, and the other end of the elastic spring 27 is fixedly connected to the first baffle 18.

[0041] In this embodiment, when the pressure plate 25 moves to the third connecting rod 30 and collides with the third connecting rod 30, the electromagnet is energized to generate suction on the iron block, and the suction will attract the iron block so that the first baffle 18 moves to the side of the second baffle 19 through the slide groove 17. The elastic spring 27 is in a compressed state. At this time, the suction cup 22 has no suction but the packaging bag will be clamped by the first baffle 18 and the second baffle 19. When the pressure plate 25 passes through the third connecting rod 30, the suction cup 22 on the side of the first baffle 18 and the second baffle 19 will generate suction to adsorb the packaging bag. At the same time, the electromagnet is de-energized, and the elastic force of the elastic spring 27 will push the first baffle to move, thereby achieving the purpose of opening the packaging bag.

[0042] Example 3

[0043] like Figure 4 As shown, based on Example 2, the present invention provides a technical solution: preferably, the first rack 32 and the second rack 33 are symmetrically arranged.

[0044] In this embodiment, by arranging the first rack 32 and the second rack 33 symmetrically, the suction cup 22 on one side of the second baffle 19 can quickly absorb the packaging bag. At the same time, the symmetrical arrangement can also prevent the gear 21 from returning to its original state after absorbing the packaging bag.

[0045] Example 4

[0046] like Figure 5 As shown, based on Example 3, the present invention provides a technical solution: preferably, the ends of the first connecting rod 28 , the second connecting rod 29 and the third connecting rod 30 that contact the pressure plate 25 are provided with rounded corners 37 .

[0047] In this embodiment, rounded corners 37 are provided at the ends of the first connecting rod 28, the second connecting rod 29 and the third connecting rod 30 that contact the pressure plate 25 in order to facilitate the contact between the connecting rod and the pressure plate 25, while also effectively reducing the wear between the connecting rod and the pressure plate 25, thereby extending the service life of the parts.

[0048] The working principle of the conveying device for heat shrink packaging mechanism will be described in detail below.

[0049] like Figure 1-6As shown, when the workpiece needs to be packaged, the workpiece can be placed in the feed port 6 first, and then the motor 4 is started. At this time, the rotation of the motor 4 will drive the rotating shaft 7 to rotate, and the rotating shaft 7 will transmit power to the support shaft 8 through the bevel gear 12, thereby driving the support column 31 to rotate. The rotation of the support shaft 8 will drive the disc 13 to rotate. When the discharge port on the turntable 9 is aligned with the channel 11, the workpiece will fall into the packaging component through the discharge port. At this time, the rotating shaft 7 will drive the packaging component to pack the workpiece and then transport it to the conveyor belt 3 for heat shrinkage treatment. Then the packaging component will cooperate with the picking component to pick up the packaging bag again and perform packaging processing. This does not require manual intervention, which not only speeds up work efficiency but also reduces labor costs. When the discharge port on the turntable 9 is aligned with the channel 11, the first baffle 18 and the second baffle 19 are located below the discharge port and the packaging bag is adsorbed between the suction cup 22. When the motor 4 rotates to drive the pressure plate 25 to rotate to the first connecting rod 28, the pressure plate 25 is squeezed and the pressure spring 26 is in a compressed state. The piston plate 24 will squeeze the air inside the cylinder 23 into the suction cup 22, so that the suction cup 22 cannot adsorb the packaging bag. At this time, the packaging bag falls to the conveyor belt 3 together with the workpiece and then undergoes a heat shrink process for packaging. When the motor 4 continues to rotate to around the second connecting rod 29, it will cooperate with the picking component to pick up the packaging bag above the storage table 14, and then open the packaging bag by passing through the third connecting rod 30, so that the workpiece can be automatically packaged without the participation of staff, reducing costs and improving work efficiency. The gear 21 will mesh with the second rack 33, and the gear 21 will rotate in the opposite direction by meshing with the second rack 33 until it returns to its original state, and then the first baffle 18 and the second baffle 19 continue to move in the circumferential direction.When the pressure plate 25 moves to the third connecting rod 30 and contacts the third connecting rod 30, the electromagnet is energized to generate suction on the iron block, which attracts the iron block and causes the first baffle 18 to move toward the side of the second baffle 19 through the slide 17. The elastic spring 27 is in a compressed state. At this time, the suction cup 22 has no suction, but the packaging bag will be clamped by the first baffle 18 and the second baffle 19. When the pressure plate 25 passes the third connecting rod 30, the suction cup 22 on the side of the first baffle 18 and the second baffle 19 will generate suction to absorb the packaging bag. At the same time, the electromagnet is de-energized, and the elastic force of the elastic spring 27 will push the first baffle to move, thereby achieving the purpose of opening the packaging bag. By setting the first rack 32 and the second rack 33 symmetrically, the suction cup 22 on the side of the second baffle 19 can quickly absorb the packaging bag. At the same time, the symmetrical setting can also prevent the gear 21 from returning to its original state after absorbing the packaging bag. The rounded corners 37 at the ends of the first connecting rod 28, the second connecting rod 29 and the third connecting rod 30 that contact the pressure plate 25 are provided to facilitate the contact between the connecting rods and the pressure plate 25, while also effectively reducing the wear between the connecting rods and the pressure plate 25, thereby extending the service life of the parts.

[0050] The above generally describes the present invention in detail. However, it is obvious to those skilled in the art that modifications or improvements may be made to the present invention. Therefore, modifications or improvements that do not depart from the spirit of the present invention are within the scope of protection of the present invention.

Claims

1. A conveying device for a heat shrink packaging mechanism, comprising a housing (1), a rotating roller (2) and a conveyor belt (3); characterized in that: A motor (4) is fixedly connected to one side of the housing (1), a through hole (5) is provided on one side of the housing (1), a feed port (6) is fixedly connected to the top of the housing (1), a rotating shaft (7) and a support shaft (8) are rotatably connected in the housing (1), one end of the rotating shaft (7) is fixedly connected to the output end of the motor (4), one end of the support shaft (8) is fixedly connected to a turntable (9), a discharge port is provided on the turntable (9), and a turntable (9) is fixedly connected to the top of the turntable (9). A channel (11) is provided, and the channel (11) is in conflict with the turntable (9). The support shaft (8) and the rotating shaft (7) are respectively fixedly connected with bevel teeth (12), and the bevel teeth (12) are meshed with each other. A disk (13) is fixedly connected to the rotating shaft (7), and a packing component for packing workpieces is connected to the disk (13). A picking component for picking up packaging bags is connected to one side of the disk (13). A storage table (14) is fixedly connected to the inside of the housing (1).

2. The conveying device for heat shrink packaging according to claim 1, characterized in that: The packaging component includes a rotating shaft, which is rotatably connected to the disc (13), and a baffle (16) is fixedly connected to the side of the rotating shaft away from the disc (13), and a slide groove (17) is provided on the baffle (16), and a first baffle (18) is slidably connected in the slide groove (17). A shaft body is rotatably connected to the baffle (16), and a gear (21) is fixedly connected to one end of the shaft body, and a second baffle (19) is fixedly connected to the other end of the baffle (16), and a suction cup (22) is fixedly connected to both the first baffle (18) and the second baffle (19). A cylinder body (23) is fixedly connected to the disc (13). ), a piston plate (24) is provided in a sliding connection inside the cylinder body (23), a pressure plate (25) is fixedly provided on one side of the piston plate (24), a pressure spring (26) is fixedly provided on one end of the pressure plate (25), and the other end of the pressure spring (26) is fixedly connected to the cylinder body (23), a first connecting rod (28), a second connecting rod (29) and a third connecting rod (30) are respectively provided on one side of the disc (13) along the circumferential direction, the first connecting rod (28), the second connecting rod (29) and the third connecting rod (30) are fixedly connected to the casing (1) through a support column (31), and the other end of the suction cup (22) is connected to the cylinder body (23).

3. The conveying device for heat shrink packaging according to claim 2, characterized in that: The picking component comprises a first rack (32) and a second rack (33), both of which are used in conjunction with the gear (21), the first rack (32) being fixedly connected to the support column (31), and the second rack (33) being fixedly connected to the housing (1).

4. The conveying device for heat shrink packaging according to claim 3, characterized in that: A sliding shaft (34) is slidably connected to the first baffle (18), an electromagnet is fixedly connected to the second baffle (19), an iron block is fixedly connected to the first baffle (18), an elastic spring (27) is provided on the outer side of the sliding shaft (34), one end of the elastic spring (27) is fixedly connected to the sliding shaft (34), and the other end of the elastic spring (27) is fixedly connected to the first baffle (18).

5. The conveying device for heat shrink packaging according to claim 4, characterized in that: The first rack (32) and the second rack (33) are symmetrically arranged.

6. The conveying device for heat shrink packaging according to claim 5, characterized in that: The ends of the first connecting rod (28), the second connecting rod (29) and the third connecting rod (30) that contact the pressure plate (25) are provided with rounded corners (37).

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