Novel wind-up roller for POF heat shrink film

Abstract

The utility model discloses a novel wind-up roll for a POF heat shrink film, which comprises a roll body, two ends of the roll body are provided with connecting shafts, the roll body is sleeved with two spacing pieces with adjustable spacing, each connecting shaft comprises a fixed shaft, a movable shaft and a mounting shaft, one end of each fixed shaft is fixedly connected with the central part of the end part of the roll body, and the other end of each fixed shaft is fixedly connected with the mounting shaft. The end, away from the fixed shaft, of the movable shaft is in butt joint with the end portion of the installation shaft, and the end, away from the fixed shaft, of the movable shaft is in butt joint with the end portion of the installation shaft. According to the wind-up roller, the movable shaft is matched with the fixed shaft and the mounting shaft, so that after the wind-up roller is mounted on a wind-up device, the roller body can be quickly disassembled and assembled without using any tool, the working efficiency is greatly improved, and the practicability is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of POF heat shrink film winding equipment, in particular to a novel winding roller for POF heat shrink film. Background Art

[0002] POF heat shrink film is the abbreviation of biaxially oriented polyolefin shrink film. This product adopts the advanced biaxially oriented three-layer melt co-extrusion special process to produce a safe and reliable soft shrink film with high transparency, high shrinkage rate, high toughness, high heat sealing performance, antistatic and excellent cold resistance. After production and processing, the POF heat shrink film needs to be rolled on a winding roller.

[0003] The existing winding roller structure is relatively simple and can only realize the winding of the heat shrink film. When the winding is completed and it needs to be disassembled, other tools are needed to assist in the disassembly, and the process is relatively complicated and troublesome. In addition, the existing winding roller is not convenient for stably limiting the POF heat shrink film of different sizes, so that the heat shrink film will be offset when winding, resulting in an uneven heat shrink film roll. Utility Model Content

[0004] The utility model aims to provide a novel winding roller for POF heat shrink film, so as to solve the technical problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the specific technical solution of the present invention is as follows: A new type of winding roller for POF heat shrink film includes a roller body, both ends of the roller body are provided with connecting shafts, the roller body is provided with two limit members with adjustable spacing, the connecting shaft includes a fixed shaft, a movable shaft and an installation shaft, one end of the fixed shaft is fixedly connected to the center part of the end of the roller body, the movable shaft is sleeved with the end of the fixed shaft away from the roller body and is slidably connected to the end of the installation shaft away from the fixed shaft, the limit member includes a baffle and a slip ring, the baffle is fixedly connected to the slip ring, and the center parts of the baffle and the slip ring are provided with circular holes that match the diameter of the roller body, and a limiting structure is provided between the slip ring and the roller body.

[0006] Preferably, the end of the movable shaft away from the mounting shaft is provided with a second sleeve whose diameter matches the diameter of the fixed shaft, and the outer surface of the fixed shaft is provided with four second slide grooves distributed in a circular array, and both ends of the second slide grooves are closed structures, the inner wall of the second sleeve is provided with four second slide bars distributed one-to-one corresponding to the second slide grooves, the second slide bars are slidably connected to the second slide grooves, and a spring is provided between the end of the fixed shaft and the inner wall of the second sleeve.

[0007] Preferably, the length of the second slide bar is shorter than the length of the second slide groove, and one end of the second slide bar is flush with the open end of the second sleeve.

[0008] Preferably, a plum blossom groove is provided at the central portion of the movable shaft away from one end of the fixed shaft, and a first sleeve whose diameter matches the diameter of the movable shaft is provided at the end of the mounting shaft, and a plum blossom column corresponding to the plum blossom groove is provided in the middle portion of the first sleeve, and the size of the plum blossom column matches the size of the plum blossom groove.

[0009] Preferably, the side wall of the movable shaft away from one end of the fixed shaft is provided with four first slide grooves distributed in a circular array, the first slide groove is a structure with one end open and the other end closed, and the inner wall of the first sleeve is provided with four first slide bars distributed one-to-one corresponding to the first slide grooves, the first slide bars are slidably connected to the first slide grooves, and the length of the first slide bar is equal to the length of the first slide groove.

[0010] Preferably, the limiting structure includes a roller, and the surface of the roller body is provided with three limiting grooves distributed in a circular array along its length direction, and the limiting groove is an open structure at both ends, and the inner wall of the slip ring is provided with three rollers distributed in a one-to-one correspondence with the limiting grooves, the rollers are rollingly connected to the limiting grooves, and the upper surface of the slip ring is provided with a through hole on one side of the roller, a nut is installed on the through hole, and a locking bolt is connected to the inner thread of the nut, and the end of the locking bolt extends into the limiting groove and contacts the inner wall of the limiting groove.

[0011] The utility model discloses a new winding roller for POF heat shrink film, which has the following advantages:

[0012] 1. The utility model cooperates with the movable shaft, the fixed shaft and the installation shaft, so that after the winding roller is installed on the winding device, the roller body can be quickly disassembled and assembled without using any tools, thereby greatly improving work efficiency and having strong practicality.

[0013] 2. The utility model can adjust the distance between the two baffles through the cooperation between the slip ring, the baffle and the roller body, so that the heat shrink film of different sizes can be used. It plays a good limiting role when the heat shrink film is rolled up, making the heat shrink film more neat and beautiful when rolled up, and the operation is simple and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only show certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work.

[0015] Figure 1The overall structure schematic view of the utility model;

[0016] Figure 2 The exploded view of the mounting shaft and the movable shaft in the utility model;

[0017] Figure 3 The structure schematic view of the mounting shaft in the utility model;

[0018] Figure 4 The exploded view of the movable shaft and the fixed shaft in the utility model;

[0019] Figure 5 The structure schematic view of the limiting piece in the utility model;

[0020] Figure 6 The front view of Figure 5 .

[0021] Marking in the drawing: 1, roller body; 2, connecting shaft; 3, limiting piece; 4, limiting groove; 5, fixed shaft; 6, movable shaft; 7, mounting shaft; 8, plum blossom groove; 9, first sliding slot; 10, first sleeve; 11, plum blossom column; 12, first sliding strip; 13, spring; 14, second sliding slot; 15, second sleeve; 16, second sliding strip; 17, baffle; 18, sliding ring; 19, roller; 20, nut; 21, locking bolt. DETAILED DESCRIPTION

[0022] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the embodiments of the utility model. Therefore, the drawings and the description are considered to be exemplary in nature rather than limiting.

[0023] In the description of the embodiments of the utility model, it is understood that the orientation or positional relationship indicated by the terms "length", "vertical", "horizontal", "top", "bottom" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the embodiments of the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the embodiments of the utility model.

[0024] In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the utility model, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0025] In the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection, or communication; direct connection or indirect connection through an intermediate medium; internal communication between two components or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.

[0026] The disclosure below provides many different embodiments or examples for implementing different structures of the embodiments of the present invention. In order to simplify the disclosure of the embodiments of the present invention, the components and settings of specific examples are described below. Of course, these are merely examples and are not intended to limit the embodiments of the present invention. In addition, the embodiments of the present invention may repeat reference numbers and / or reference letters in different examples. Such repetition is for the purpose of simplicity and clarity and does not in itself indicate the relationship between the various embodiments and / or settings discussed.

[0027] In order to better understand the purpose, structure and function of the present invention, the following is a further detailed description of a new winding roller for POF heat shrink film of the present invention in conjunction with the accompanying drawings.

[0028] like Figure 1-6As shown, the utility model is a new winding roller for POF heat shrink film, including a roller body 1, both ends of the roller body 1 are provided with a connecting shaft 2, the roller body 1 is sleeved with two limit members 3 with adjustable spacing, the connecting shaft 2 includes a fixed shaft 5, a movable shaft 6 and a mounting shaft 7, one end of the fixed shaft 5 is fixedly connected to the center part of the end of the roller body 1, the movable shaft 6 is sleeved with the end of the fixed shaft 5 away from the roller body 1 and is slidably connected thereto, the end of the movable shaft 6 away from the fixed shaft 5 is docked with the end of the mounting shaft 7, the end of the movable shaft 6 away from the mounting shaft 7 is provided with a second sleeve 15 whose diameter matches the diameter of the fixed shaft 5, and the outer surface of the fixed shaft 5 is provided with four second slide grooves 14 distributed in a circumferential array, and both ends of the second slide groove 14 are closed structures, the inner wall of the second sleeve 15 is provided with four second slide strips 16 distributed in a one-to-one correspondence with the second slide grooves 14, The second slide bar 16 is slidably connected to the second slide groove 14, and a spring 13 is provided between the end of the fixed shaft 5 and the inner wall of the second sleeve opening 15. The length of the second slide bar 16 is shorter than the length of the second slide groove 14, and one end of the second slide bar 16 is flush with the open end of the second sleeve opening 15. Through the cooperation between the second sleeve opening 15 and the fixed shaft 5, the movable shaft 6 can slide on the fixed shaft 5, thereby adjusting the length between the fixed shaft 5 and the movable shaft 6, and under the action of the second slide bar 16 and the second slide groove 14, the maximum movement distance of the movable shaft 6 can be limited. At the same time, the movable shaft 6 can be limited, which can effectively prevent the movable shaft 6 from rolling by itself. Under the elastic force of the spring 13, the movable shaft 6 will move in the direction away from one end of the fixed shaft 5 without external force, thereby forming the longest state with the fixed shaft 5. A plum blossom groove 8 is provided at the central part of the movable shaft 6 away from one end of the fixed shaft 5, and a first sleeve 10 is provided at the end of the mounting shaft 7, the diameter of which matches the diameter of the movable shaft 6, and a plum blossom column 11 corresponding to the plum blossom groove 8 is provided in the middle part of the first sleeve 10. The size of the plum blossom column 11 matches the size of the plum blossom groove 8. Through the setting of the plum blossom column 11 and the plum blossom groove 8, when the first sleeve 10 is sleeved on the end of the movable shaft 6, the plum blossom column 11 will be inserted into the plum blossom groove 8, thereby limiting the movable shaft 6, so that when the mounting shaft 7 rotates, it will drive the movable shaft 6 to rotate. The side wall of the movable shaft 6 away from the fixed shaft 5 is provided with four first slide grooves 9 distributed in a circular array. The first slide groove 9 is a structure with one end open and the other end closed, and the inner wall of the first sleeve 10 is provided with four first slide bars 12 distributed one-to-one corresponding to the first slide grooves 9. The first slide bar 12 is slidably connected to the first slide groove 9, and the length of the first slide bar 12 is equal to the length of the first slide groove 9. When the first sleeve 10 is put on the end of the movable shaft 6, the first slide bar 12 will be inserted into the first slide groove 9 accordingly, further limiting the movable shaft 6 and making the connection between the mounting shaft 7 and the movable shaft 6 more firm and reliable.

[0029] The limiting piece 3 includes a baffle 17 and a sliding ring 18, the baffle 17 is fixedly connected with the sliding ring 18, and the central parts of the baffle 17 and the sliding ring 18 are provided with a circular hole matching the diameter of the roller body 1, and a limiting structure is arranged between the sliding ring 18 and the roller body 1, the limiting structure includes a roller 19, the surface of the roller body 1 is provided with three limiting grooves 4 distributed in a circumferential array along the length direction, and the limiting groove 4 is of an open structure at both ends, the inner wall of the sliding ring 18 is provided with three rollers 19 distributed in one-to-one correspondence with the limiting grooves 4, the roller 19 is in rolling connection with the limiting groove 4, and the upper surface of the sliding ring 18 is provided with a through hole on one side of the roller 19, a nut 20 is mounted on the through hole, the nut 20 is in threaded connection with a locking bolt 21, the end of the locking bolt 21 extends into the limiting groove 4 and is in contact with the inner wall of the limiting groove 4, by loosening the locking bolt 21, the friction between the locking bolt 21 and the limiting groove 4 is reduced, the baffle 17 is pushed, and the distance between the two baffles 17 can be adjusted under the cooperation between the roller 19 and the limiting groove 4, after the distance is adjusted, the locking bolt 21 is tightened, so that the end of the locking bolt 21 is in close contact with the inner wall of the limiting groove 4, the friction between the locking bolt 21 and the limiting groove 4 is increased, so that the locking and fixing of the sliding ring 18 are realized, that is, the heat shrinkable film of different sizes can be used, and the heat shrinkable film is rolled well, which is more neat and beautiful, and the operation is simple and fast.

[0030] The working principle of the novel winding roller for the POF heat shrinkable film is as follows: when in use, the mounting shaft 7 is fixedly connected with the winding equipment, when the roller body 1 is installed, the movable shaft 6 is pushed by hand, so that the movable shaft 6 moves to one side of the fixed shaft 5, then the movable shaft 6 is aligned with the mounting shaft 7, the hand pushing the movable shaft 6 is loosened, under the elastic force of the spring 13, the movable shaft 6 moves to one end of the mounting shaft 7, so that the movable shaft 6 is butt-jointed with the mounting shaft 7, when the mounting shaft 7 rotates, the movable shaft 6 rotates, so that the fixed shaft 5 rotates, and the roller body 1 realizes the winding action, when disassembling, the movable shaft 6 is pushed, so that the movable shaft 6 moves to one side of the fixed shaft 5, so that the movable shaft 6 is separated from the mounting shaft 7, and the roller body 1 can be quickly disassembled, the disassembly and assembly are simple and fast, by loosening the locking bolt 21, the distance between the two baffles 17 can be adjusted, so that the heat shrinkable film of different widths can be flexibly adjusted, and the heat shrinkable film is rolled well.

[0031] It is understood that the present invention is described by way of certain embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. Furthermore, under the guidance of the present invention, these features and embodiments may be modified to suit specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are intended to be protected by the present invention.

Claims

1. A new type of winding roller for POF heat shrink film, characterized by: It comprises a roller body (1), both ends of the roller body (1) are provided with connecting shafts (2), and the roller body (1) is sleeved with two limit members (3) with adjustable spacing; wherein, The connecting shaft (2) comprises a fixed shaft (5), a movable shaft (6) and an installation shaft (7); one end of the fixed shaft (5) is fixedly connected to the center of the end of the roller body (1); the movable shaft (6) is sleeved on the end of the fixed shaft (5) away from the roller body (1) and is slidably connected thereto; the end of the movable shaft (6) away from the fixed shaft (5) is butted against the end of the installation shaft (7); The limiting member (3) comprises a baffle (17) and a slip ring (18), wherein the baffle (17) and the slip ring (18) are fixedly connected, and circular holes matching the diameter of the roller body (1) are provided at the center of the baffle (17) and the slip ring (18), and a limiting structure is provided between the slip ring (18) and the roller body (1).

2. The novel winding roller for POF heat shrink film according to claim 1, characterized in that: The movable shaft (6) is provided with a second sleeve (15) having a diameter matching that of the fixed shaft (5) at one end away from the mounting shaft (7), and the outer surface of the fixed shaft (5) is provided with four second slide grooves (14) distributed in a circumferential array, and both ends of the second slide grooves (14) are closed structures, and the inner wall of the second sleeve (15) is provided with four second slide bars (16) distributed in a one-to-one correspondence with the second slide grooves (14), the second slide bars (16) are slidably connected to the second slide grooves (14), and a spring (13) is provided between the end of the fixed shaft (5) and the inner wall of the second sleeve (15).

3. The novel winding roller for POF heat shrink film according to claim 2, characterized in that: The length of the second slide bar (16) is shorter than the length of the second slide groove (14), and one end of the second slide bar (16) is flush with the open end of the second sleeve (15).

4. The novel winding roller for POF heat shrink film according to claim 1, characterized in that: A hexagram groove (8) is provided at the center of one end of the movable shaft (6) away from the fixed shaft (5); a first sleeve (10) having a diameter matching the diameter of the movable shaft (6) is provided at the end of the installation shaft (7); a hexagram column (11) corresponding to the hexagram groove (8) is provided at the middle portion of the first sleeve (10); and the size of the hexagram column (11) matches the size of the hexagram groove (8).

5. The novel winding roller for POF heat shrinkable film according to claim 4, characterized in that: The side wall of the movable shaft (6) away from the fixed shaft (5) is provided with four first slide grooves (9) distributed in a circumferential array, the first slide groove (9) is a structure with one end open and the other end closed, and the inner wall of the first sleeve (10) is provided with four first slide bars (12) distributed in a one-to-one correspondence with the first slide grooves (9), the first slide bars (12) are slidably connected to the first slide grooves (9), and the length of the first slide bar (12) is equal to the length of the first slide groove (9).

6. The novel winding roller for POF heat shrink film according to claim 1, characterized in that: The limiting structure includes a roller (19), and the surface of the roller body (1) is provided with three limiting grooves (4) distributed in a circumferential array along its length direction, and the limiting groove (4) is an open-ended structure. The inner wall of the slip ring (18) is provided with three rollers (19) distributed in a one-to-one correspondence with the limiting grooves (4), and the rollers (19) are rollingly connected to the limiting grooves (4). The upper surface of the slip ring (18) is provided with a through hole on one side of the roller (19), and a nut (20) is installed on the through hole. The nut (20) is internally threadedly connected to a locking bolt (21), and the end of the locking bolt (21) extends into the limiting groove (4) and contacts the inner wall of the limiting groove (4).

Images