Heat shrink film packaging equipment

Abstract

Heat shrink film packaging equipment comprises a packaging machine body and a conveyor, a cutting tool is arranged at an inlet of the packaging machine body and arranged on a first fixing plate, the first fixing plate is connected with a second fixing plate through an elastic assembly, a receding groove is formed in the second fixing plate, and heating blocks are arranged at the positions, located on the two sides of the receding groove, of the bottom of the second fixing plate correspondingly. The power air cylinder controls the first fixing plate to move in the vertical direction till the heating block heated by the external power source presses the end opening of the heat shrinkage film and heat sealing is completed, and the first fixing plate continues to move downwards so that the cutting tool can cut the heat shrinkage film through the receding groove. A conveying belt on the conveyor conveys the heat shrinkage film and the product to enter the packaging machine body through the adjusting mechanism to be heated, so that the heat shrinkage film is heated and shrunk, and heat shrinkage packaging is completed. The thermal shrinkage packaging device is used for completing thermal shrinkage packaging of products and adjusting the positions of the products so as to improve the packaging quality.

Description

Technical Field

[0001] The invention relates to the technical field of product packaging, and in particular to a heat shrink film packaging device. Background Art

[0002] The heat shrink film is wrapped around the surface of the product or package. The product inside the heat shrink film usually completes the heat sealing and cutting processes of the heat shrink film port, and then undergoes a heating process to shrink the heat shrink film and wrap the product or package tightly, which is beneficial for moisture-proof and pollution-proofing the product. However, the product sometimes shifts in position during transportation, which leads to position deviation during the heat sealing and cutting processes of the heat shrink film port, affecting the packaging quality. Summary of the invention

[0003] The object of the present invention is to provide a heat shrink film packaging device, which can effectively solve the technical problems mentioned in the background technology.

[0004] To achieve the above object, the present invention provides the following technical solutions: A heat shrink film packaging device, comprising a packaging body and a conveyor, wherein a cutting tool is arranged at the entrance of the packaging body, the cutting tool is arranged on a first fixed plate, the first fixed plate is connected to a second fixed plate through an elastic component, a clearance groove is arranged on the second fixed plate, and heating blocks are arranged on both sides of the clearance groove at the bottom, and a power cylinder controls the first fixed plate to move in a vertical direction until the heating block heated by an external power source presses the heat shrink film port and completes heat sealing, and then the first fixed plate continues to move downward so that the cutting tool cuts the heat shrink film through the clearance groove, and the conveyor belt on the conveyor transports the heat shrink film and the product through an adjustment mechanism into the packaging body for heating, so that the heat shrink film is heated and shrunk and the heat shrink packaging is completed; The adjustment mechanism includes a first adjustment roller and a first power cylinder which are horizontally arranged. The first adjustment roller is rotatably mounted on the roller mounting shaft. Both ends of the roller mounting shaft are respectively mounted on the first fixed block. The two first fixed blocks are connected through a first mounting plate. A second mounting plate is arranged on one side of the first mounting plate. A second guide rod is connected to the first mounting plate. One end of the second guide rod is connected to a second limit block after passing through a second guide hole on the second mounting plate. A second return spring sleeved on the second guide rod is arranged between the first mounting plate and the second mounting plate. The bottom of the second mounting plate is connected to a sliding block through a second fixed block. The bottom of the sliding block is supported on an inclined fixed guide plate. A first slide groove is provided on the fixed guide plate. A first slider arranged on the bottom of the sliding block is arranged in the first slide groove. A push block is arranged at one end of the first slider. The power telescopic rod of the first power cylinder is connected to the push block. The fixed guide plate is mounted on one side of the fixed transverse plate through a third mounting plate. A limit adjustment plate is arranged on the other side of the fixed transverse plate. The fixed transverse plate is mounted on the packaging machine body through a longitudinal adjustment component.

[0005] Preferably, the limit adjustment plate is provided with more than two second adjustment rollers arranged in a vertical state, and the first adjustment roller and the second adjustment roller are both provided with shock-absorbing sleeves made of soft material.

[0006] Preferably, second sliding grooves are respectively provided on both sides of the upper end surface of the fixed cross plate, and second sliding blocks are respectively provided on the upper ends of the third mounting plate and the limit adjustment plate, and the upper ends of the second sliding blocks are connected to the third fixed plate after passing through the second sliding grooves, and threaded holes are respectively provided on both sides of the second sliding block on the third fixed plate, and adjusting bolts are passed through the threaded holes, and the lower ends of the adjusting bolts are connected to a clamping pad.

[0007] Preferably, the longitudinal adjustment assembly includes a guide slide and a fixed guide rail, and the guide slide and the fixed guide rail are respectively arranged on the fixed cross plate and the packaging body, a longitudinal guide groove is provided on the end surface of the fixed guide rail facing the guide slide, and a third slide groove connected to the longitudinal guide groove is provided on the top, one end of the guide slide is inserted into the longitudinal guide groove, and a positioning screw is connected to the top, and the upper end of the positioning screw passes through the third slide groove and is threadedly connected to a locking nut.

[0008] Preferably, the compression pad is made of rubber material and has a cylindrical structure.

[0009] Preferably, the second slider is connected to the third fixing plate by fastening bolts, the second slider is arranged in the middle of the third fixing plate, and the adjusting bolts located on both sides of the second slider are symmetrical about the second slider.

[0010] Preferably, the upper end surface of the pushing block is attached to the fixed guide plate, the second fixed block is arranged at the middle position of the bottom of the second mounting plate, the first power cylinder is installed on the cylinder base, and the cylinder base is connected to the fixed guide plate.

[0011] Preferably, a heating component is provided in the packaging body, and the heating component includes an air inlet fan, and the air inlet fan introduces outside air into the air inlet channel. A heating tube is provided in the air inlet channel, and the heating wire in the heating tube is electrically connected to an external power supply. The air inlet channel is connected to an exhaust valve inside the packaging body, and the exhaust valve heats the heat shrink film through the heated air.

[0012] Preferably, first guide rods are respectively provided on both sides of the second fixed plate at the give way groove, the upper end of the first guide rod is connected to the first limit block after passing through the first guide hole on the first fixed plate, the first return spring is sleeved on the first guide rod, the upper and lower ends of the first return spring are respectively connected to the first fixed plate and the second fixed plate, guide plates are respectively provided on both sides of the packaging body, guide grooves are opened on the guide plates, and guide blocks sliding along the guide grooves are provided on both sides of the first fixed plate and the second fixed plate.

[0013] Compared with the prior art, the present invention has the following beneficial effects: Before the heat shrink film port in the present invention performs heat sealing and cutting operations, it is necessary to adjust the position of the package. When the conveyor transports the package and the heat shrink film to the adjustment station, the conveyor stops running, and the first power cylinder controls the pushing block to slide along the first slide groove along the first sliding block, and the first adjustment roller moves downward along the inclined fixed guide plate along with the sliding block, and the distance between the first adjustment roller and the second adjustment roller gradually decreases. At the same time, the horizontally arranged first adjustment roller gradually approaches from the top of the package, and then starts to push the package on the conveyor belt to move until the two sides of the packaging bag are respectively attached to the first adjustment roller and the second adjustment roller to ensure that the position of the package is no longer offset, and the first power cylinder controls the first adjustment roller to move upward along the fixed guide plate along the sliding block; when the first adjustment roller gradually pushes the package, the second guide rod on the first mounting plate moves along the second The second guide hole on the mounting plate moves, and the second return spring contracts, so that when the position of the package is adjusted, there will be no violent collision between the first adjustment roller and the package to ensure the smoothness of the package position adjustment; when adjustment is needed, the position between the first adjustment roller and the second adjustment roller can be adjusted to achieve the adjustment of the heat sealing and cutting position of the package. When adjusting the first adjustment roller, slide the second slider at the upper end of the third mounting plate along the second slide groove on the fixed cross plate to the corresponding position, and then adjust the adjusting bolt until the pressure pad at the lower end of the adjusting bolt presses the fixed cross plate and keeps the third mounting plate positioned on the fixed cross plate. Similarly, the position of the second adjustment roller can be adjusted; when the position of the adjustment station needs to be adjusted, slide the guide slide plate along the longitudinal guide groove on the fixed guide rail to the corresponding position, adjust the locking nut on the positioning screw and position the guide slide plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of a heat shrink film packaging device in an embodiment of the present invention; Figure 2 is a schematic diagram of the installation of a fixed guide rail in an embodiment of the present invention; Figure 3 yes Figure 2 A is a partial enlarged schematic diagram; Figure 4 is a schematic diagram of the adjustment mechanism in the first perspective of the embodiment of the present invention; Figure 5 is a schematic diagram of the adjustment mechanism in a second viewing angle in an embodiment of the present invention; Figure 6 Schematic diagram of the installation of the limit adjustment plate in the embodiment of the present invention; In the figure, 1, packaging machine body, 2, conveyor, 3, cutting tool, 4, first fixed plate, 5, second fixed plate, 6, heating block, 7, power cylinder, 8, first adjustment roller, 9, first power cylinder, 10, first fixed block, 11, first mounting plate, 12, second mounting plate, 13, second guide rod, 14, second limit block, 15, second return spring, 16, second fixed block, 17, sliding block, 18, fixed guide plate, 19, first slide groove, 20, first slide block, 21, push Moving block, 22, third mounting plate, 23, fixed cross plate, 24, limit adjustment plate, 25, second adjustment roller, 26, second slide groove, 27, second slider, 28, third fixed plate, 29, adjusting bolt, 30, clamping pad, 31, guide slide plate, 32, fixed guide rail, 33, longitudinal guide groove, 34, third slide groove, 35, positioning screw, 36, cylinder base, 37, first guide rod, 38, first limit block, 39, guide plate, 40, locking nut, 41, first return spring. DETAILED DESCRIPTION

[0015] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0016] See also Figure 1-6 As shown, a heat shrink film packaging device comprises a packaging body 1 and a conveyor 2, wherein a cutting tool 3 is arranged at the entrance of the packaging body 1, and the cutting tool 3 is arranged on a first fixed plate 4, wherein the first fixed plate 4 is connected to a second fixed plate 5 by an elastic component, and a clearance groove is provided on the second fixed plate 5, and heating blocks 6 are respectively arranged on both sides of the clearance groove at the bottom, and a power cylinder 7 controls the first fixed plate 4 to move in a vertical direction until the heating block 6 heated by an external power source presses the heat shrink film port and completes heat sealing, and then the first fixed plate 4 continues to move downward so that the cutting tool 3 cuts the heat shrink film through the clearance groove, and the conveyor belt on the conveyor 2 transports the heat shrink film and the product through the adjustment mechanism into the packaging body 1 for heating, so that the heat shrink film is heated and shrunk and the heat shrink packaging is completed; The adjustment mechanism includes a first adjustment roller 8 and a first power cylinder 9 which are horizontally arranged. The first adjustment roller 8 is rotatably mounted on the roller mounting shaft. Both ends of the roller mounting shaft are respectively mounted on a first fixing block 10. The two first fixing blocks 10 are connected through a first mounting plate 11. A second mounting plate 12 is arranged on one side of the first mounting plate 11. A second guide rod 13 is connected to the first mounting plate 11. One end of the second guide rod 13 passes through a second guide hole on the second mounting plate 12 and is connected to a second limiting block 14. A second return spring 15 which is sleeved on the second guide rod 13 is arranged between the first mounting plate 11 and the second mounting plate 12. The bottom of the second mounting plate 12 is connected to the sliding block 17 through the second fixed block 16, the bottom of the sliding block 17 is supported on the inclined fixed guide plate 18, the fixed guide plate 18 is provided with a first slide groove 19, the first slider 20 provided at the bottom of the sliding block 17 is provided in the first slide groove 19, one end of the first slider 20 is provided with a pushing block 21, the power telescopic rod of the first power cylinder 9 is connected to the pushing block 21, the fixed guide plate 18 is installed on one side of the fixed transverse plate 23 through the third mounting plate 22, the other side of the fixed transverse plate 23 is provided with a limit adjustment plate 24, and the fixed transverse plate 23 is installed on the packaging machine body 1 through a longitudinal adjustment component; The first adjustment rollers 8 move along the inclined fixed guide plate 18 along with the sliding block 17, so that the first adjustment rollers 8 will not interfere with the packages when gradually approaching each other from above the packages; The limit adjustment plate 24 is provided with two or more second adjustment rollers 25 arranged in a vertical state, and the first adjustment roller 8 and the second adjustment roller 25 are both provided with a shock-absorbing sleeve made of a soft material; Second slide grooves 26 are respectively provided on both sides of the upper end surface of the fixed transverse plate 23, and second sliders 27 are respectively provided on the upper ends of the third mounting plate 22 and the limit adjustment plate 24. The upper ends of the second sliders 27 pass through the second slide grooves 26 and are connected to the third fixed plate 28. The third fixed plate 28 is provided with threaded holes on both sides of the second slider 27, and the threaded holes are penetrated by adjusting bolts 29. The lower ends of the adjusting bolts 29 are connected to a clamping pad 30. The clamping pad 30 is pressed against the fixed transverse plate 23 by the adjusting bolts 29, and the third mounting plate 22 and the limit adjustment plate 24 are pressed and positioned on the fixed transverse plate 23. The longitudinal adjustment assembly includes a guide slide 31 and a fixed guide rail 32, which are respectively arranged on the fixed transverse plate 23 and the packaging machine body 1. The fixed guide rail 32 is provided with a longitudinal guide groove 33 on the end surface facing the guide slide 31, and a third slide groove 34 connected to the longitudinal guide groove 33 is provided on the top. One end of the guide slide 31 is inserted into the longitudinal guide groove 33, and a positioning screw 35 is connected to the top. The upper end of the positioning screw 35 passes through the third slide groove 34 and is threadedly connected to a locking nut 40; The compression pad 30 is made of rubber material and has a cylindrical structure; The second slider 27 is connected to the third fixing plate 28 by fastening bolts. The second slider 27 is arranged in the middle of the third fixing plate 28. The adjusting bolts 29 located on both sides of the second slider 27 are symmetrical with respect to the second slider 27. The upper end surface of the pushing block 21 is attached to the fixed guide plate 18, the second fixed block 16 is arranged at the middle position of the bottom of the second mounting plate 12, the first power cylinder 9 is installed on the cylinder base 36, and the cylinder base 36 is connected to the fixed guide plate 18; The packaging body is provided with a heating component, the heating component includes an air inlet fan, the air inlet fan introduces outside air into the air inlet channel, a heating tube is provided in the air inlet channel, the heating wire in the heating tube is electrically connected to an external power supply, the air inlet channel is connected to the exhaust valve inside the packaging body 1, and the exhaust valve heats the heat shrink film through the heated air; First guide rods 37 are respectively provided on both sides of the give way groove on the second fixed plate 5, and the upper end of the first guide rod 37 is connected to the first limit block 38 after passing through the first guide hole on the first fixed plate 4, and a first return spring 41 is sleeved on the first guide rod 37, and the upper and lower ends of the first return spring 41 are respectively connected to the first fixed plate 4 and the second fixed plate 5, and guide plates 39 are respectively provided on both sides of the packaging body 1, and guide grooves are opened on the guide plates 39, and guide blocks sliding along the guide grooves are provided on both sides of the first fixed plate 4 and the second fixed plate 5.

[0017] Before the heat shrink film port in the present invention performs heat sealing and cutting operations, it is necessary to adjust the position of the package. When the conveyor 2 transports the package and the heat shrink film to the adjustment station, the conveyor 2 stops running, and the first power cylinder 9 controls the pushing block 21 to slide along the first slide groove 19 with the first slider 20, and the first adjustment roller 8 moves downward along the inclined fixed guide plate 18 with the sliding block 17. During this process, the distance between the first adjustment roller 8 and the second adjustment roller 25 gradually decreases, and at the same time, the horizontally arranged first adjustment roller 8 gradually approaches from the top of the package, and then starts to push the package on the conveyor belt to move until the two sides of the packaging bag are respectively attached to the first adjustment roller 8 and the second adjustment roller 25 to ensure that the position of the package is no longer offset. After that, the first power cylinder 9 controls the first adjustment roller 8 to move upward along the fixed guide plate 18 with the sliding block 17; when the first adjustment roller 8 gradually pushes the package, the second guide rod 13 on the first mounting plate 11 moves along the second mounting plate 12 When the position of the packaging piece is adjusted, the second guide hole on the third mounting plate 22 moves, and the second return spring 15 contracts, so that when the position of the packaging piece is adjusted, there will be no violent collision between the first adjusting roller 8 and the packaging piece to ensure the stability of the packaging piece position adjustment; when adjustment is needed, the position between the first adjusting roller 8 and the second adjusting roller 25 can be adjusted to adjust the heat sealing and cutting position of the packaging piece. When adjusting the first adjusting roller 8, the second slider 27 at the upper end of the third mounting plate 22 slides to the corresponding position along the second slide groove 26 on the fixed cross plate 23, and then the adjusting bolt 29 is adjusted until the pressure pad 30 at the lower end of the adjusting bolt 29 presses the fixed cross plate 23 and keeps the third mounting plate 22 positioned on the fixed cross plate 23. Similarly, the position of the second adjusting roller 25 can be adjusted; when the position of the adjustment station needs to be adjusted, the guide slide plate 31 slides to the corresponding position along the longitudinal guide groove 33 on the fixed guide rail 32, and then the locking nut 40 on the positioning screw 35 is adjusted to position the guide slide plate 31.

[0018] The above contents are merely examples and explanations of the structure of the present invention. The technicians in the relevant technical field may make various modifications or supplements to the specific embodiments described, or replace them in similar ways. As long as they do not deviate from the structure of the present invention or exceed the scope defined by the claims, they shall all fall within the protection scope of the present invention.

Claims

1. A heat shrink film packaging device, comprising a packaging body and a conveyor, wherein a cutting tool is provided at the inlet of the packaging body, characterized in that: The cutting tool is arranged on the first fixing plate, the first fixing plate is connected with the second fixing plate through an elastic component, a clearance groove is arranged on the second fixing plate, and heating blocks are arranged on both sides of the clearance groove at the bottom, and the power cylinder controls the first fixing plate to move in the vertical direction until the heating block heated by the external power source presses the heat shrink film port and completes the heat sealing, and then the first fixing plate continues to move downward so that the cutting tool cuts the heat shrink film through the clearance groove, and the conveyor belt on the conveyor transports the heat shrink film and the product through the adjustment mechanism into the packaging body for heating, so that the heat shrink film is heated and shrunk and the heat shrink packaging is completed; The adjustment mechanism includes a first adjustment roller and a first power cylinder which are horizontally arranged. The first adjustment roller is rotatably mounted on the roller mounting shaft. Both ends of the roller mounting shaft are respectively mounted on the first fixed block. The two first fixed blocks are connected through a first mounting plate. A second mounting plate is arranged on one side of the first mounting plate. A second guide rod is connected to the first mounting plate. One end of the second guide rod is connected to a second limit block after passing through a second guide hole on the second mounting plate. A second return spring sleeved on the second guide rod is arranged between the first mounting plate and the second mounting plate. The bottom of the second mounting plate is connected to a sliding block through a second fixed block. The bottom of the sliding block is supported on an inclined fixed guide plate. A first slide groove is provided on the fixed guide plate. A first slider arranged on the bottom of the sliding block is arranged in the first slide groove. A push block is arranged at one end of the first slider. The power telescopic rod of the first power cylinder is connected to the push block. The fixed guide plate is mounted on one side of the fixed transverse plate through a third mounting plate. A limit adjustment plate is arranged on the other side of the fixed transverse plate. The fixed transverse plate is mounted on the packaging machine body through a longitudinal adjustment component.

2. The heat shrink film packaging equipment according to claim 1, characterized in that: The limit adjustment plate is provided with more than two second adjustment rollers arranged in a vertical state, and the first adjustment roller and the second adjustment roller are both provided with a shock-absorbing sleeve made of a soft material.

3. The heat shrink film packaging equipment according to claim 1, characterized in that: Second sliding grooves are respectively provided on both sides of the upper end surface of the fixed cross plate, and second sliding blocks are respectively provided on the upper ends of the third mounting plate and the limit adjustment plate. The upper ends of the second sliding blocks are connected to the third fixed plate after passing through the second sliding grooves, and threaded holes are respectively provided on both sides of the second sliding block on the third fixed plate, and adjusting bolts are passed through the threaded holes, and the lower ends of the adjusting bolts are connected to a clamping pad.

4. The heat shrink film packaging equipment according to claim 1, characterized in that: The longitudinal adjustment assembly includes a guide slide and a fixed guide rail, which are respectively arranged on the fixed cross plate and the packaging machine body. A longitudinal guide groove is provided on the end surface of the fixed guide rail facing the guide slide, and a third slide groove connected to the longitudinal guide groove is provided on the top. One end of the guide slide is inserted into the longitudinal guide groove, and a positioning screw is connected to the top. The upper end of the positioning screw passes through the third slide groove and is threadedly connected to a locking nut.

5. The heat shrink film packaging equipment according to claim 1, characterized in that: The compression pad is made of rubber material and has a cylindrical structure.

6. The heat shrink film packaging equipment according to claim 1, characterized in that: The second slider is connected to the third fixing plate by fastening bolts. The second slider is arranged in the middle of the third fixing plate. The adjusting bolts located on both sides of the second slider are symmetrical with respect to the second slider.

7. The heat shrink film packaging equipment according to claim 1, characterized in that: The upper end surface of the pushing block is attached to the fixed guide plate, the second fixed block is arranged at the middle position of the bottom of the second mounting plate, the first power cylinder is installed on the cylinder base, and the cylinder base is connected to the fixed guide plate.

8. The heat shrink film packaging equipment according to claim 1, characterized in that: A heating component is arranged in the packaging body, and the heating component includes an air inlet fan. The air inlet fan introduces external air into an air inlet channel. A heating tube is arranged in the air inlet channel. The heating wire in the heating tube is electrically connected to an external power supply. The air inlet channel is connected to an exhaust valve inside the packaging body, and the exhaust valve heats the heat shrink film through the heated air.

9. The heat shrink film packaging equipment according to claim 1, characterized in that: First guide rods are respectively arranged on both sides of the give way groove on the second fixed plate, the upper end of the first guide rod is connected to the first limit block after passing through the first guide hole on the first fixed plate, a first return spring is sleeved on the first guide rod, the upper and lower ends of the first return spring are respectively connected to the first fixed plate and the second fixed plate, guide plates are respectively arranged on both sides of the packaging machine body, guide grooves are opened on the guide plates, and guide blocks sliding along the guide grooves are arranged on both sides of the first fixed plate and the second fixed plate.

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