POF film with long service life

Abstract

The utility model discloses a POF membrane with long service life, and relates to the technical field of POF membranes, the POF membrane comprises a box body, one side in the box body is slidably connected with an adjusting plate through an adjusting mechanism, one side of the adjusting plate is rotatably connected with a first limiting plate through a bearing, and the inner wall of one side of the box body is rotatably connected with a second limiting plate through a bearing; a winding drum is connected between the first limiting plate and the second limiting plate in a clamped mode, a POF film body is wound around the winding drum, and a box door is connected to the front face of the box body in a clamped mode. The POF film winding device has the advantages that the POF film can be limited through the cooperation of the first limiting plate and the second limiting plate, the winding drum and the POF film can be rotated at the same time, the POF film can be unwound and taken conveniently, the POF film is collected and protected through the cooperation of the box body and the box door, the POF film is prevented from being extruded by external sundries, the POF film is prevented from being deformed and damaged, and the POF film can be used normally.

Description

Technical Field

[0001] The utility model relates to a POF film, in particular to a POF film with a long service life, and belongs to the technical field of POF films. Background Art

[0002] POF film is a heat shrinkable film, the full name is multi-layer co-extruded polyolefin heat shrinkable film, which is plasticized and extruded by an extruder, and then processed by special processes such as die molding and bubble blowing. POF film has the characteristics of high transparency, high gloss, strong toughness, high tear strength, uniform heat shrinkage and suitability for fully automatic high-speed packaging. It is widely used in the packaging field.

[0003] Among them, the "special POF film" disclosed in the application number "201620704928.2" is also an increasingly mature technology, including a base layer made of multi-layer co-extruded polyolefin, the surface of the base layer is provided with depressions, the base layer is covered with an ink layer filling the depressions, and the ink layer is provided with a protective layer outside, so as to achieve the effect of increasing the adhesion strength between the ink layer and the base layer through the depressions, protecting the ink layer from external friction damage through the protective layer, and making the ink layer less likely to fall off. After further searching, the "a heat shrinkable film convenient for stretching" disclosed in the application number "201920599493.3" The invention relates to a shrink film, comprising a left supporting tube, a right supporting tube, a left pull plate, a right pull plate, a left adjusting shaft, two groups of left adjusting tubes, two groups of left supporting screw rods, two groups of right supporting screw rods, two groups of right adjusting tubes and a right adjusting shaft. The left supporting tube and the right supporting tube are rotatably connected to the left inner part and the right inner part of the reel through multiple groups of ball bearings respectively. The left supporting tube and the right supporting tube are respectively provided with a left fixed tube and a right fixed tube. The right end of the left pull plate and the left end of the right pull plate are respectively connected to the left end of the left fixed tube and the right end of the right fixed tube. The top and bottom ends of the left fixed tube are both provided with left sliding blocks, and the top inner wall and the bottom inner wall of the left supporting tube are both laterally provided with left sliding grooves.

[0004] However, the above method still has the following defects in actual use: the POF film is exposed to the outside and is easily squeezed by external objects, causing the POF film to deform and break, affecting the normal use of the POF film. Therefore, the utility model provides a POF film with a long service life. Utility Model Content

[0005] The utility model aims to provide a POF film with a long service life, so as to solve the problem that the POF film proposed in the above background technology is easily squeezed by external objects, resulting in deformation and damage thereof.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a POF film with a long service life, comprising a box body, one side of the inner part of the box body is slidably connected with an adjustment plate through an adjustment mechanism, one side of the adjustment plate is rotatably connected with a first limit plate through a bearing, the inner wall of one side of the box body is rotatably connected with a second limit plate through a bearing, a reel is snap-connected between the first limit plate and the second limit plate, the outside of the reel is wrapped with a POF film body, a box door is snap-connected with the front side of the box body, a through opening is opened in the middle of the bottom end of the box body, the POF film body passes through the through opening, and a cutting mechanism is provided at the bottom end of the box body.

[0007] As a preferred technical solution of the utility model, a tensile layer is provided on one side of the POF membrane body, and a flame retardant layer is provided on one side of the tensile layer and the other side of the POF membrane body, and the flame retardant layer is made of polyvinyl chloride material.

[0008] As a preferred technical solution of the utility model, a waterproof layer is provided on one side of the flame retardant layer, and the waterproof layer is made of polyurethane material.

[0009] As a preferred technical solution of the utility model, two clamping blocks are provided on one side of the first limiting plate and one side of the second limiting plate, and clamping grooves that are clamped and connected with the clamping blocks are provided on both sides of the reel.

[0010] As a preferred technical solution of the utility model, the top of the other side and the bottom of the other side of the adjustment plate are both connected with a moving rod, and the outer wall of the moving rod is slidably connected to one side of the box body.

[0011] As a preferred technical solution of the utility model, the adjusting mechanism includes a screw sleeve, which is arranged in the middle of one side of the box body, the internal thread of the screw sleeve is connected to a screw rod, one end of the screw rod is connected to a turntable, and the other end of the screw rod is rotatably connected to the middle of the other side of the adjusting plate through a bearing.

[0012] As a preferred technical solution of the utility model, the cutting mechanism includes a first horizontal plate, which is arranged on one side of the bottom end of the box body, a slide groove is opened in the middle of one side of the first horizontal plate, a blade is slidably connected inside the slide groove, one side of the blade is connected to an anti-slip plate, and the middle part of one side of the anti-slip plate is connected to a push rod.

[0013] As a preferred technical solution of the utility model, a second transverse plate is connected to the other side of the bottom end of the box body, an anti-slip block is provided on the other side of the blade, and an anti-slip groove is opened on one side of the second transverse plate for sliding cooperation with the anti-slip block.

[0014] Compared with the related art, the POF film with a long service life provided by the utility model has the following beneficial effects:

[0015] Through the cooperation of the first limiting plate and the second limiting plate, the POF film can be limited, and the reel and the POF film can be rotated at the same time, so as to facilitate the unwinding of the POF film and take out the POF film. Through the cooperation of the box body and the box door, the POF film is collected and protected to prevent the POF film from being squeezed by external debris and to prevent the POF film from deformation and damage, so that the POF film can be used normally. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the explosion structure of the utility model;

[0019] Figure 4 It is a schematic diagram of the partial explosion structure of the bottom of the utility model;

[0020] Figure 5 For this utility model Figure 4 A is an enlarged structural diagram of FIG.

[0021] In the figure: 1. box body; 2. box door; 3. second limit plate; 4. adjustment plate; 5. adjustment mechanism; 6. cutting mechanism; 7. reel; 8. POF film body; 9. first limit plate; 10. through port; 11. tensile layer; 12. flame retardant layer; 13. waterproof layer; 14. clamping block; 15. clamping slot; 16. moving rod; 501. screw sleeve; 502. screw rod; 503. turntable; 601. first horizontal plate; 602. slide slot; 603. blade; 604. anti-slip plate; 605. push rod; 606. second horizontal plate; 607. anti-slip slot; 608. anti-slip block. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Embodiment 1:

[0024] See also Figure 1-5The utility model provides a POF film with a long service life, including a box body 1, one side of the box body 1 is slidably connected with an adjusting plate 4 through an adjusting mechanism 5, one side of the adjusting plate 4 is rotatably connected with a first limiting plate 9 through a bearing, the inner wall of one side of the box body 1 is rotatably connected with a second limiting plate 3 through a bearing, a reel 7 is clamped and connected between the first limiting plate 9 and the second limiting plate 3, and a POF film body 8 is wound around the outside of the reel 7, the first limiting plate 9 and the second limiting plate 3 limit the position of the reel 7, which is convenient for rotating the reel 7 to unwind the POF film, and a box door 2 is clamped and connected at the front of the box body 1, and the box body 1 and the box door 2 store and protect the POF film to prevent the POF film from being squeezed by the outside and prevent the POF film from being damaged, a through opening 10 is opened in the middle of the bottom end of the box body 1, and the POF film body 8 passes through the through opening 10, and a cutting mechanism 6 is provided at the bottom end of the box body 1, so that the POF film can be taken from the through opening 10, and there is no need to repeatedly take the POF film out of the box body 1;

[0025] A tensile layer 11 is fixedly provided on one side of the POF film body 8, and the tensile layer 11 enhances the tensile strength of the POF film body 8 to prevent the POF film body 8 from being easily broken. A flame retardant layer 12 is fixedly provided on one side of the tensile layer 11 and the other side of the POF film body 8. The flame retardant layer 12 is made of polyvinyl chloride material, and the flame retardant layer 12 improves the flame retardant effect of the POF film body 8. A waterproof layer 13 is fixedly provided on one side of the flame retardant layer 12, and the waterproof layer 13 is made of polyurethane material. The waterproof layer 13 improves the waterproof effect of the POF film body 8, thereby preventing the items wrapped by the POF film from being dampened and ensuring the packaging effect;

[0026] Two clamping blocks 14 are fixedly provided on one side of the first limiting plate 9 and one side of the second limiting plate 3. A clamping slot 15 is provided on both sides of the reel 7 to be engaged with the clamping blocks 14. The clamping blocks 14 and the clamping slots 15 are engaged to squeeze and position the two sides of the reel 7, thereby limiting the position of the POF film and moving the first limiting plate 9 to facilitate the taking and placing of the POF film.

[0027] The top of the other side and the bottom of the other side of the adjustment plate 4 are both fixedly connected with a moving rod 16, the outer wall of the moving rod 16 is slidably connected to one side of the box body 1, the adjustment plate 4 drives the moving rod 16 to move, and the moving rod 16 limits the moving direction of the adjustment plate 4, so that the adjustment plate 4 can move in a straight line;

[0028] Specifically, first put the reel 7 and the POF film body 8 into the box 1, then move the adjustment plate 4 and the first limit plate 9, so that the first limit plate 9 moves toward the reel 7, and limit the reel 7 and the POF film body 8 between the first limit plate 9 and the second limit plate 3, and then collect the reel 7 into the box 1 to protect the POF film, prevent the POF film from being squeezed and damaged, and extend the service life of the POF film.

[0029] Embodiment 2:

[0030] The adjusting mechanism 5 includes a screw sleeve 501, which is fixedly arranged in the middle of one side of the box body 1. The inner thread of the screw sleeve 501 is connected with a screw rod 502, one end of the screw rod 502 is fixedly connected with a rotating disk 503, and the other end of the screw rod 502 is rotatably connected to the middle of the other side of the adjusting plate 4 through a bearing. Under the thread cooperation between the screw sleeve 501 and the screw rod 502, the screw rod 502 drives the adjusting plate 4 to move, thereby facilitating the stable adjustment of the position of the first limit plate 9;

[0031] Specifically, the turntable 503 is rotated to rotate the screw 502, and the adjustment plate 4 and the first limit plate 9 are moved under the threaded cooperation of the screw 502 and the screw sleeve 501 until the block 14 on the first limit plate 9 is engaged with the slot 15 on one side of the reel 7, squeezing the reel 7 to limit the position so as to fix the POF film.

[0032] Embodiment 3:

[0033] The cutting mechanism 6 includes a first transverse plate 601, which is fixedly arranged on one side of the bottom end of the box body 1. A slide groove 602 is provided in the middle of one side of the first transverse plate 601. A blade 603 is slidably connected inside the slide groove 602. An anti-slip plate 604 is fixedly connected to one side of the blade 603. A push rod 605 is fixedly connected to the middle of one side of the anti-slip plate 604. The blade 603 moves linearly in the slide groove 602 to cut the POF film so as to take out the POF of a specified length. The second transverse plate 606 is fixedly connected to the other side of the bottom end of the box body 1, and an anti-slip block 608 is fixedly arranged on the other side of the blade 603. An anti-slip groove 607 that slides with the anti-slip block 608 is opened on one side of the second transverse plate 606. The anti-slip groove 607 limits the moving position of the anti-slip block 608 to prevent the anti-slip block 608 from being separated from the anti-slip groove 607, thereby preventing the blade 603 from being separated from the slide groove 602. At the same time, the second transverse plate 606 shields the blade 603 to avoid accidental injury.

[0034] Specifically, firstly, hold the push rod 605 by hand and push the push rod 605 to one side, so as to drive the anti-slip plate 604 and the blade 603 to move to one side, and cut the POF film for use.

[0035] When in use, first put the reel 7 and the POF film body 8 into the box body 1, so that the block 14 on the second limiting plate 3 is engaged with the slot 15 on one side of the reel 7, and then rotate the turntable 503 to rotate the screw 502, and under the thread cooperation of the screw 502 and the screw sleeve 501, the adjustment plate 4 and the first limiting plate 9 are moved until the block 14 on the first limiting plate 9 is engaged with the slot 15 on the other side of the reel 7, and the reel 7 is squeezed and limited, so that the reel 7 is collected for protection, the POF film is prevented from being squeezed and scratched by the outside, the POF film is prevented from being damaged, and the service life of the POF film is extended;

[0036] Then, the end of the POF film body 8 is passed through the through-hole 10, and the end of the POF film body 8 is pulled to rotate the reel 7, and the POF film body 8 is unwound, so that the POF film can be pulled out. After the specified length is pulled out, the push rod 605 is held by hand, and the push rod 605 is pushed to one side, driving the anti-slip plate 604 and the blade 603 to move to one side, and the POF film is cut for use. When the POF film body 8 is used as a packaging material, the tensile layer 11 enhances the tensile strength of the POF film body 8 to prevent the POF film body 8 from breaking easily, the flame retardant layer 12 improves the flame retardant effect of the POF film body 8, and the waterproof layer 13 improves the waterproof effect of the POF film body 8, thereby further extending the service life of the POF film.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A POF film with a long service life, comprising a box (1), characterized in that: An adjustment plate (4) is slidably connected to one side of the interior of the box (1) via an adjustment mechanism (5); a first limit plate (9) is rotatably connected to one side of the adjustment plate (4) via a bearing; a second limit plate (3) is rotatably connected to the inner wall of one side of the box (1) via a bearing; a reel (7) is snap-fitted and connected between the first limit plate (9) and the second limit plate (3); a POF film body (8) is wound around the outside of the reel (7); a box door (2) is snap-fitted and connected to the front of the box (1); a through opening (10) is provided in the middle of the bottom end of the box (1); the POF film body (8) passes through the through opening (10); and a cutting mechanism (6) is provided at the bottom end of the box (1).

2. A POF film with a long service life according to claim 1, characterized in that: A tensile layer (11) is provided on one side of the POF membrane body (8), and a flame retardant layer (12) is provided on one side of the tensile layer (11) and the other side of the POF membrane body (8), wherein the flame retardant layer (12) is made of polyvinyl chloride material.

3. A POF film with a long service life according to claim 2, characterized in that: A waterproof layer (13) is provided on one side of the flame retardant layer (12), and the waterproof layer (13) is made of polyurethane material.

4. The POF film with a long service life according to claim 1, characterized in that: Two clamping blocks (14) are provided on one side of the first limiting plate (9) and one side of the second limiting plate (3), and clamping grooves (15) that are clamped and connected to the clamping blocks (14) are provided on both sides of the reel (7).

5. The POF film with a long service life according to claim 1, characterized in that: The top of the other side and the bottom of the other side of the adjustment plate (4) are both connected to a moving rod (16), and the outer wall of the moving rod (16) is slidably connected to one side of the box body (1).

6. The POF film with a long service life according to claim 1, characterized in that: The adjusting mechanism (5) comprises a screw sleeve (501), the screw sleeve (501) being arranged in the middle of one side of the box body (1), the internal thread of the screw sleeve (501) being connected to a screw rod (502), one end of the screw rod (502) being connected to a rotating disk (503), and the other end of the screw rod (502) being rotatably connected to the middle of the other side of the adjusting plate (4) via a bearing.

7. The POF film with a long service life according to claim 1, characterized in that: The cutting mechanism (6) comprises a first transverse plate (601), the first transverse plate (601) being arranged on one side of the bottom end of the box body (1), a slide groove (602) being provided in the middle of one side of the first transverse plate (601), a blade (603) being slidably connected inside the slide groove (602), an anti-slip plate (604) being connected to one side of the blade (603), and a push rod (605) being connected to the middle of one side of the anti-slip plate (604).

8. The POF film with a long service life according to claim 7, characterized in that: A second transverse plate (606) is connected to the other side of the bottom end of the box body (1), an anti-slip block (608) is provided on the other side of the blade (603), and an anti-slip groove (607) is provided on one side of the second transverse plate (606) for slidingly cooperating with the anti-slip block (608).

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