CN217414198U

CN217414198U - PE thermal contraction membrane trimming means

Info

Publication number: CN217414198U
Application number: CN202221226870.7U
Authority: CN
Inventors: 张宝新; 张敬安
Original assignee: Tianjin Baojin Runda Packaging Co ltd
Current assignee: Tianjin Baojin Runda Packaging Co ltd
Priority date: 2022-05-20
Filing date: 2022-05-20
Publication date: 2022-09-13
Anticipated expiration: 2032-05-20

Abstract

The utility model discloses a PE heat shrinkable film trimming device, which relates to the technical field of heat shrinkable film trimming, and comprises a base, wherein a support is arranged on the base, an unreeling mechanism is rotatably connected on the support and comprises an unreeling roller, a position avoiding port is arranged on the unreeling roller, the inner wall of the position avoiding port is slidably connected with an inner positioning plate, a driving mechanism is arranged inside the unreeling roller and is used for driving the inner positioning plate to be away from the central line of the unreeling roller; the cutting mechanism comprises a mounting frame and a table top, the table top is fixedly mounted on the mounting frame, and a track groove is formed in the table top; compared with the prior art, the beneficial effects of the utility model are that: the coiled heat shrinkable film is sleeved on the unwinding roller, and the inner positioning plate is adjusted to be gradually expanded to abut against the inner wall of the coiled heat shrinkable film, so that the coiled heat shrinkable film can synchronously rotate with the unwinding roller, and the unwinding operation is convenient.

Description

PE thermal contraction membrane trimming means

Technical Field

The utility model relates to a technical field is pruned to the thermal contraction membrane, specifically is a PE thermal contraction membrane trimming means.

Background

Heat shrink films are used in the sale and transportation of various products and their primary function is to stabilize, cover and protect the product. The shrink film must have high puncture resistance, good shrink properties and a certain shrink stress, and shrink when heated to wrap the product.

The publication number is: CN209095653U discloses a PE heat shrinkable film trimming device, which comprises a U-shaped moving frame, a directional wheel, a universal wheel, a rotating motor, a trimming switch, a replaceable jacking rotating rod structure, a buffering reset shearing rod structure, a collecting protection cleaning plate structure, a fixed bolt, a sleeve pipe, a jacking plate, an inserting pipe, a fixed frame, an anti-falling rod, a blocking block, a deep groove ball bearing and a fixed pipe, wherein the directional wheel is connected to the left side of the lower end of the U-shaped moving frame through a bolt; the universal wheel is connected to the right side of the lower end of the U-shaped moving frame through a bolt; the rotating motor is connected to the upper part of the right side of the U-shaped moving frame through a bolt; the trimming switch is connected to the middle position of the upper part of the left side of the front surface of the U-shaped moving frame through a screw; the replaceable jacking rotating rod structure is arranged inside the fixed pipe; the buffering reset shearing rod structure is arranged in the fixed frame; the collecting, protecting and cleaning plate structure is arranged at the bottom end inside the U-shaped moving frame; the fixing bolt penetrates through the middle position of the front surface of the sleeve pipe; the sleeve pipe is welded in the middle position of the left side of the tightening plate;

in order to facilitate transportation of the heat shrinkable film, generally, when the heat shrinkable film is transported in a roll form, a cutter is used to trim the heat shrinkable film with a required length, during trimming, a roll of the heat shrinkable film is fixed on an unwinding roller, and the heat shrinkable film is gradually unwound by the unwinding roller.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PE heat shrink film trimming means through increasing the interior locating piece that can open on unreeling the roller, can brief for introduction and change unreel roller diameter, can be applicable to not unidimensional lapping heat shrink film like this, avoids unreeling the roller idle running to solve the above-mentioned weak point among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a PE heat shrinkable film trimming device comprises:

the unwinding device comprises a base, wherein a support is arranged on the base, an unwinding mechanism is rotatably connected to the support, the unwinding mechanism comprises an unwinding roller, an avoiding opening is formed in the unwinding roller, an inner wall of the avoiding opening is connected with an inner positioning plate in a sliding manner, a driving mechanism is arranged inside the unwinding roller, and the driving mechanism is used for driving the inner positioning plate to be far away from the central line of the unwinding roller;

the cutting mechanism comprises a mounting frame and a table top, the table top is fixedly mounted on the mounting frame, and a track groove is formed in the table top;

film pressing mechanism, film pressing mechanism includes the slider, slider sliding connection be in on the mounting bracket, it is connected with the compression roller to rotate on the slider.

Preferably, actuating mechanism is including fixed block, transmission shaft, triangle locating rack, commentaries on classics cover, first gear, second gear and lead screw, triangle locating rack fixed mounting be in the unreeling roller, change the cover and rotate to be connected on the triangle locating rack, lead screw threaded connection be in on changeing the cover, the one end fixed mounting of lead screw is in on the inner positioning plate.

Preferably, the fixed block is fixedly installed inside the unwinding roller, the transmission shaft is rotatably connected to the fixed block, the first gear is fixedly installed on the transmission shaft, the second gear is fixedly installed at one end of the rotating sleeve, and the first gear and the second gear are meshed with each other.

Preferably, the transmission shaft and the unwinding roller are located on the same central line, and the first gear and the second gear are arranged as helical gears.

Preferably, the mounting bracket is provided with a chute, the sliding block is connected in the chute in a sliding manner, the outside of the sliding block is provided with a limiting piece, and one side of the limiting piece is in sliding fit with the mounting bracket.

Preferably, a motor is fixedly mounted on the support, a mandrel is arranged at one end of the unwinding roller, and an output shaft of the motor is fixedly connected with the mandrel.

Compared with the prior art, the beneficial effects of the utility model are that: this PE thermal contraction membrane trimming means: the coiled heat shrinkable film is sleeved on the unwinding roller, the inner positioning plate can be driven to displace through the rotation of the transmission shaft, and the inner positioning plate can be gradually stretched to abut against the inner wall of the coiled heat shrinkable film, so that the coiled heat shrinkable film can be ensured to synchronously rotate with the unwinding roller; the heat shrinkable film after being unreeled can be pressed on the surface of the table by the arrangement of the compression roller, so that the heat shrinkable film can be flatly laid on the table surface, and the trimming is convenient; the track groove is used as a trimming track, so that the thermal shrinkage film can be trimmed along the track groove conveniently by using a blade.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

This document provides an overview of various implementations or examples of the technology described in this disclosure, and is not a comprehensive disclosure of the full scope or all features of the disclosed technology.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.

Fig. 1 is a schematic view of an overall structure provided by an embodiment of the present invention;

FIG. 2 is a schematic view of a compression roller and its components according to an embodiment of the present invention;

FIG. 3 is a partial cross-sectional view of an unwinding roller according to an embodiment of the present invention;

FIG. 4 is a schematic view of an unwinding roller according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a driving mechanism according to an embodiment of the present invention.

In the figure: 10. a base; 11. a mounting frame; 12. a chute; 13. a slider; 131. a limiting sheet; 14. a compression roller; 15. a table top; 16. a track groove; 17. a support; 18. a mandrel; 19. unwinding rollers; 191. a position avoiding port; 20. a drive mechanism; 21. a fixed block; 22. a drive shaft; 23. a triangular positioning frame; 24. rotating the sleeve; 25. a first gear; 26. a second gear; 27. a screw rod; 28. an inner positioning plate; 30. an electric motor.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be clearly and completely described below with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of the word "comprising" or "comprises", and the like, in this disclosure is intended to mean that the elements or items listed before that word, include the elements or items listed after that word, and their equivalents, without excluding other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may also include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

Referring to fig. 1-5, the present invention provides a technical solution: a PE heat shrinkable film trimming device comprises:

the base 10, a support 17 is arranged on the base 10, an unwinding mechanism is rotatably connected to the support 17, the unwinding mechanism comprises an unwinding roller 19, the unwinding roller 19 is arranged to be a hollow tubular structure, an avoiding opening 191 is formed in the unwinding roller 19, 3 avoiding openings 191 are formed in the avoiding opening 191 and are uniformly distributed on the unwinding roller 19, an inner wall of the avoiding opening 191 is slidably connected with an inner positioning plate 28, the inner positioning plate 28 can change the position, the inner positioning plate 28 can be opened outwards to further open a coiled heat shrinkable film, the unwinding roller 19 can drive the coiled heat shrinkable film to rotate when rotating, a driving mechanism 20 is arranged inside the unwinding roller 19, the driving mechanism 20 is used for driving the inner positioning plate 28 to be away from the central line of the unwinding roller 19, and the inner positioning plate 28 is driven to move by the driving mechanism 20;

the cutting mechanism comprises an installation frame 11 and a table top 15, the table top 15 is fixedly installed on the installation frame 11, a track groove 16 is formed in the table top 15, the unreeled heat shrinkable film is flatly laid on the table top 15, and the track groove 16 serves as a track, so that the heat shrinkable film can be trimmed along the track groove 16 conveniently by using a blade.

Film pressing mechanism, film pressing mechanism include slider 13, and slider 13 sliding connection rotates on mounting bracket 11 to be connected with compression roller 14 on the slider 13, and compression roller 14 can press on the thermal contraction membrane after unreeling, makes it can tile on mesa 15, conveniently prunes.

Referring to fig. 1, 3 and 5, the driving mechanism 20 includes a fixing block 21, a transmission shaft 22, a triangular positioning frame 23, a rotating sleeve 24, a first gear 25, a second gear 26 and a screw rod 27, the triangular positioning frame 23 is fixedly installed in the unreeling roller 19, the rotating sleeve 24 is rotatably connected to the triangular positioning frame 23, the triangular positioning frame 23 is fixedly installed on the inner wall of the unreeling roller 19, the rotating sleeve 24 can only rotate relative to the triangular positioning frame 23, the screw rod 27 is in threaded connection with the rotating sleeve 24, one end of the screw rod 27 is fixedly installed on the inner positioning plate 28, the rotating sleeve 24 rotates, the screw rod 27 is acted by the screw force to displace along the axial direction of the screw rod 27, and thus the inner positioning plate 28 can be driven to unfold.

Referring to fig. 1, 3 and 5, the fixed block 21 is fixedly installed inside the unwinding roller 19, the transmission shaft 22 is rotatably connected to the fixed block 21, the transmission shaft 22 can only rotate relative to the fixed block 21, the first gear 25 is fixedly installed on the transmission shaft 22, the second gear 26 is fixedly installed at one end of the rotating sleeve 24, the first gear 25 and the second gear 26 are engaged with each other, the transmission shaft 22 rotates to drive the first gear 25 to rotate, the first gear 25 rotates to drive the second gear 26 to rotate, and the second gear 26 rotates to drive the rotating sleeve 24 to rotate.

Referring to fig. 3, the transmission shaft 22 and the unwinding roller 19 are located on the same center line, and the first gear 25 and the second gear 26 are configured as helical gears, so as to ensure that the first gear 25 and the second gear 26 can be engaged smoothly by being configured as helical gears.

Referring to fig. 1 and 2, a chute 12 is formed in the mounting frame 11, the sliding block 13 is slidably connected in the chute 12, a limiting piece 131 is arranged outside the sliding block 13, one side of the limiting piece 131 is slidably attached to the mounting frame 11, and the sliding block 13 slides in the chute 12, so that the thermal shrinkage film can be pressed by the gravity of the pressing roller 14.

Referring to fig. 1, a motor 30 is fixedly mounted on the bracket 17, a spindle 18 is disposed at one end of the unwinding roller 19, an output shaft of the motor 30 is fixedly connected with the spindle 18, and the unwinding roller 19 is driven to rotate by the motor 30 to realize unwinding operation.

Certain exemplary embodiments of the present invention have been described above by way of illustration only, and it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. A PE heat shrinkable film trimming device is characterized by comprising:

the unwinding device comprises a base (10), wherein a support (17) is arranged on the base (10), an unwinding mechanism is rotatably connected onto the support (17), the unwinding mechanism comprises an unwinding roller (19), an avoiding opening (191) is formed in the unwinding roller (19), an inner positioning plate (28) is connected onto the inner wall of the avoiding opening (191) in a sliding mode, a driving mechanism (20) is arranged inside the unwinding roller (19), and the driving mechanism (20) is used for driving the inner positioning plate (28) to be far away from the central line of the unwinding roller (19);

the cutting mechanism comprises a mounting frame (11) and a table top (15), the table top (15) is fixedly mounted on the mounting frame (11), and a track groove (16) is formed in the table top (15);

film pressing mechanism, film pressing mechanism includes slider (13), slider (13) sliding connection be in on mounting bracket (11), it is connected with compression roller (14) to rotate on slider (13).

2. The PE heat shrink film trimming device of claim 1, wherein: actuating mechanism (20) including fixed block (21), transmission shaft (22), triangle locating rack (23), commentaries on classics cover (24), first gear (25), second gear (26) and lead screw (27), triangle locating rack (23) fixed mounting is in unreeling in roller (19), it connects on triangle locating rack (23) to change cover (24) rotation, lead screw (27) threaded connection is in on changeing cover (24), the one end fixed mounting of lead screw (27) is in on inner locating plate (28).

3. The PE heat shrink film trimming device of claim 2, wherein: fixed block (21) fixed mounting in unreel the inside of roller (19), transmission shaft (22) rotate to be connected on fixed block (21), first gear (25) fixed mounting be in on transmission shaft (22), second gear (26) fixed mounting be in the one end of commentaries on classics cover (24), first gear (25) with intermeshing between second gear (26).

4. The PE heat shrink film trimming device of claim 3, wherein: the transmission shaft (22) and the unwinding roller (19) are positioned on the same central line, and the first gear (25) and the second gear (26) are arranged into helical gears.

5. The PE heat shrink film trimming device of claim 1, wherein: the mounting bracket is characterized in that a sliding groove (12) is formed in the mounting bracket (11), the sliding block (13) is connected in the sliding groove (12) in a sliding mode, a limiting piece (131) is arranged outside the sliding block (13), and one side of the limiting piece (131) is in sliding fit with the mounting bracket (11).

6. The PE heat shrink film trimming device of claim 1, wherein: a motor (30) is fixedly mounted on the support (17), a mandrel (18) is arranged at one end of the unwinding roller (19), and an output shaft of the motor (30) is fixedly connected with the mandrel (18).