Guiding device for heat shrink film production

Abstract

The utility model discloses a guide device for heat shrink film production, which comprises a wind-up roller arranged above a wind-up rack, connecting plates arranged on the inner side of one end of the wind-up rack, three material guide rollers arranged between the two connecting plates, a rotating cavity arranged on the wind-up rack, a rotating shaft arranged on the rotating cavity, and a rotating shaft arranged on the rotating cavity. A connecting rod is arranged in the rotating cavity, a torsional spring connecting piece is arranged between the connecting rod and the winding rack, and the torsional spring connecting piece is arranged outside the connecting rod. According to the device, the limiting discs make contact with the side end face of a heat shrinkage film, the conveyed heat shrinkage film is guided, the rolled heat shrinkage film can be prevented from deviating, tension changes in the heat shrinkage film rolling process are adjusted through a torsional spring connecting piece, and therefore the tension of the heat shrinkage film is adjusted to be uniform. And it is ensured that the rolled heat shrink film is in a straightened state, the edge flatness of the rolled heat shrink film is improved, and the rolling effect of the heat shrink film is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat shrink film production, in particular to a guide device for heat shrink film production. Background Art

[0002] Heat shrink film is used for the sale and transportation of various products. Its main function is to stabilize, cover and protect the products. Heat shrink film has high flexibility, is not easy to break, has strong explosion resistance, strong impact resistance, strong tear resistance and strong tensile strength. Therefore, it can replace box packaging. The produced heat shrink film is collected by rolling.

[0003] The Chinese patent publication number is CN217675888U, and the authorization announcement date is October 28, 2022. A guide device for a heat shrinkable film blowing machine with adjustable tension belongs to the technical field of heat shrinkable film equipment, including a guide seat and a heat shrinkable film roller, the heat shrinkable film roller is arranged on one side of the guide seat, and the outer wall of the guide seat is provided with a driving motor, and the inner end of the guide seat away from the heat shrinkable film roller is provided with a guide mechanism, and the guide mechanism is movably connected to the inner part of the guide seat, and the guide seat is provided with a lifting groove for the installation of the guide mechanism. The guide mechanism includes a guide curved surface and a stabilizing frame, and the stabilizing frame is arranged at both ends of the guide curved surface. The guide curved surface is welded and fixed to the stabilizing frame, and the middle part of the side of the stabilizing frame away from the guide curved surface is provided with a movable block slidably connected to the groove of the guide seat, and the stabilizing frame drives the guide curved surface to rise and fall through the movable block. The guide device for a heat shrinkable film blowing machine with adjustable tension can adjust the tension and facilitate the replacement of the heat shrinkable film.

[0004] When the existing heat shrink film is rolled up, as more and more heat shrink film is placed on the winding roller, the tension of the heat shrink film changes. Pulling the heat shrink film with the same pulling force will cause the heat shrink film to become tight or loose, causing the heat shrink film to shift or deform during pulling. The edge of the rolled heat shrink film will curl, reducing the rolling effect of the heat shrink film and failing to meet usage requirements. Utility Model Content

[0005] The purpose of the utility model is to provide a guiding device for heat shrink film production, so as to solve the problem proposed in the above background technology that when the existing heat shrink film is rolled up, as more and more heat shrink films are placed on the winding roller, the tension of the heat shrink film changes, and using the same pulling force to pull the heat shrink film will cause the heat shrink film to be tight or loose, resulting in the heat shrink film being offset or deformed during pulling, and the edge of the rolled heat shrink film curling, which reduces the rolling effect of the heat shrink film and cannot meet the use requirements.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a guide device for heat shrink film production, including a winding frame, and also including:

[0007] A winding roller is arranged above the winding frame, and the winding roller is rotatably connected to the winding frame, a connecting plate is arranged on the inner side of one end of the winding frame, two connecting plates are arranged, a material guide roller is arranged between the two connecting plates, three material guide rollers are arranged, and the three material guide rollers are rotatably connected to the connecting plate, a rotating chamber is arranged on the winding frame, a connecting rod is arranged inside the rotating chamber, and the connecting rod is rotatably connected to the winding frame, one end of the connecting rod is fixedly connected to the connecting plate, a torsion spring connecting piece is arranged between the connecting rod and the winding frame, and the torsion spring connecting piece is connected to the winding frame and the connecting rod as a whole, and the torsion spring connecting piece is arranged on the outside of the connecting rod;

[0008] A limiting disk is arranged outside the material guide roller, two limiting disks are provided, and the limiting disks are slidably connected to the material guide roller.

[0009] Preferably, the three material guide rollers are equidistantly arranged between the two connecting plates, and the three material guide rollers are arranged in a straight line.

[0010] Preferably, a fixing ring is provided on one side of the two limiting plates, and the fixing ring is fixedly connected to the limiting plates, the fixing ring is arranged on the outside of the material guide roller, and the fixing ring is slidably connected to the material guide roller, and a locking bolt is provided on the outside of the fixing ring, two locking bolts are provided, and the locking bolt is threadedly connected to the fixing ring.

[0011] Preferably, a silicone plate is provided on the inner side of the two limiting plates, and the silicone plate is connected to the limiting plates as a whole.

[0012] Preferably, a mounting frame is provided above the winding frame, and the mounting frame is fixedly connected to the winding frame, a pressure plate is provided below the mounting frame, and the lower end of the pressure plate is arranged in an arc shape, a through hole is provided on the mounting frame, and two through holes are provided, a guide rod is provided above the pressure plate, and two guide rods are provided, and one end of the guide rod is fixedly connected to the pressure plate, the guide rod is arranged to penetrate the through hole, and the guide rod is slidably connected to the mounting frame.

[0013] Preferably, a limit block is provided at the upper end of the guide rod, and the limit block is fixedly connected to the guide rod, a spring is provided outside the guide rod, and the spring is slidably connected to the guide rod, and both ends of the spring are respectively in contact with the mounting frame and the pressure plate.

[0014] Preferably, a mounting buckle is provided above the winding frame, two mounting buckles are provided, and the two mounting buckles are arranged outside the two ends of the winding roller, and the mounting buckle is connected to the winding frame by screws.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The utility model device is provided with a connecting plate, a material guide roller, a limiting disk, a connecting rod and a torsion spring connecting piece. The material guide roller is rotatably connected with the connecting plate, and the heat shrink film is cross-wound on the material guide roller. The tightness of the heat shrink film changes when it is rolled up. The tension of the heat shrink film acts on the torsion spring connecting piece, so that the guide mechanism rotates accordingly to adjust the tension of the rolled heat shrink film. The two limiting disks are in contact with the side end faces of the heat shrink film, which guides the transported heat shrink film and prevents the rolled heat shrink film from deflecting.

[0017] The utility model device is provided with a mounting frame, a pressure plate, a guide rod and a spring. The guide rod connects the pressure plate to the mounting frame. The spring applies a thrust to the installed pressure plate. Under the action of the thrust, the pressure plate is in close contact with the upper end surface of the conveyed heat shrink film, and the tension of the rolled heat shrink film is adjusted, thereby improving the heat shrink film rolling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a diagram showing the connection relationship between the connecting plate, the winding frame and the guide roller of the utility model;

[0020] Figure 3 For the utility model Figure 2 A partial enlarged view of area A;

[0021] Figure 4 This is a diagram showing the connection relationship between the pressing plate and the mounting frame of the utility model.

[0022] In the figure: 1. Winding frame; 2. Winding roller; 3. Mounting buckle; 4. Mounting frame; 5. Pressing plate; 6. Guide rod; 7. Connecting plate; 8. Material guide roller; 9. Limiting plate; 10. Rotating chamber; 11. Connecting rod; 12. Torsion spring connector; 13. Silicone plate; 14. Fixing ring; 15. Locking bolt; 16. Through hole; 17. Limiting block; 18. Spring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] See also Figure 1-4 The utility model provides an embodiment: a guide device for heat shrink film production, including a winding frame 1, and also includes:

[0025] A winding roller 2 is arranged above the winding frame 1, and the winding roller 2 is rotatably connected to the winding frame 1. A connecting plate 7 is arranged on the inner side of one end of the winding frame 1. Two connecting plates 7 are arranged. A material guide roller 8 is arranged between the two connecting plates 7. Three material guide rollers 8 are arranged, and the three material guide rollers 8 are rotatably connected to the connecting plate 7. A rotating chamber 10 is arranged on the winding frame 1. A connecting rod 11 is arranged inside the rotating chamber 10, and the connecting rod 11 is rotatably connected to the winding frame 1. One end of the connecting rod 11 is fixedly connected to the connecting plate 7. A torsion spring connector 12 is arranged between the connecting rod 11 and the winding frame 1, and the torsion spring connector 12 is connected to the winding frame 1 and the connecting rod 11 as a whole. The torsion spring connector 12 is arranged on the outside of the connecting rod 11.

[0026] The limiting disk 9 is arranged outside the material guide roller 8 . Two limiting disks 9 are provided, and the limiting disks 9 are slidably connected to the material guide roller 8 .

[0027] When in use: the heat shrink film is passed through the guide roller 8 in sequence and connected to the winding roller 2, the side end surface of the heat shrink film is contacted with the limit plate 9, and the heat shrink film is rolled up by rotating the winding roller 2. The limit plate 9 guides the transported heat shrink film to prevent the rolled heat shrink film from deviating. The tightness of the heat shrink film changes when it is rolled up, and the tension of the heat shrink film acts on the torsion spring connector 12, so that the guide mechanism rotates accordingly, so that the tension of the heat shrink film meets the receipt requirement, thereby improving the rolling effect of the heat shrink film.

[0028] See also Figure 1 and Figure 2 The three guide rollers 8 are arranged equidistantly between the two connecting plates 7, and the three guide rollers 8 are arranged in a straight line.

[0029] See also Figure 2 and Figure 3 A fixing ring 14 is provided on one side of the two limiting disks 9, and the fixing ring 14 is fixedly connected to the limiting disk 9. The fixing ring 14 is arranged on the outside of the guide roller 8, and the fixing ring 14 is slidably connected to the guide roller 8. A locking bolt 15 is provided on the outside of the fixing ring 14. Two locking bolts 15 are provided, and the locking bolt 15 is threadedly connected to the fixing ring 14. The limiting disk 9 is limited by the fixing ring 14 and the locking bolt 15, and the distance between the two limiting disks 9 can be fixed, which is convenient for guiding heat shrink films of different widths.

[0030] See also Figure 2 and Figure 3 A silicone plate 13 is provided on the inner side of the two limiting plates 9, and the silicone plate 13 is connected to the limiting plates 9 as a whole. The silicone plate 13 contacts the heat shrinkable film and protects the side end surface of the heat shrinkable film.

[0031] See also Figure 1 and Figure 4A mounting frame 4 is arranged above the winding frame 1, and the mounting frame 4 is fixedly connected to the winding frame 1, a pressing plate 5 is arranged below the mounting frame 4, and the lower end of the pressing plate 5 is arranged in an arc shape, a through hole 16 is arranged on the mounting frame 4, and two through holes 16 are arranged, a guide rod 6 is arranged above the pressing plate 5, and two guide rods 6 are arranged, and one end of the guide rod 6 is fixedly connected to the pressing plate 5, the guide rod 6 and the through hole 16 are arranged in a through manner, and the guide rod 6 is slidably connected to the mounting frame 4, the pressing plate 5 is connected to the mounting frame 4 through the guide rod 6, the pressing plate 5 contacts the upper end surface of the conveying heat shrink film, smoothes the rolled heat shrink film, and improves the heat shrink film rolling effect.

[0032] See also Figure 1 and Figure 4 A limit block 17 is provided at the upper end of the guide rod 6, and the limit block 17 is fixedly connected to the guide rod 6. A spring 18 is provided on the outside of the guide rod 6, and the spring 18 is slidably connected to the guide rod 6. The two ends of the spring 18 are respectively fitted with the mounting frame 4 and the pressing plate 5. The spring 18 applies a thrust to the installed pressing plate 5. Under the action of the thrust, the pressing plate 5 is in close contact with the upper end surface of the conveyed heat shrink film, and the tension of the rolled heat shrink film is further adjusted to improve the heat shrink film rolling effect.

[0033] See also Figure 1 A mounting buckle 3 is provided above the winding frame 1. Two mounting buckles 3 are provided, and the two mounting buckles 3 are arranged outside the two ends of the winding roller 2. The mounting buckle 3 is connected to the winding frame 1 by screws. The installed winding roller 2 is limited by the mounting buckle 3. The mounting buckle 3 can be removed to facilitate the replacement of the winding roller 2.

[0034] Working principle: the heat shrink film is passed through the guide roller 8 in turn and connected to the winding roller 2, the locking bolt 15 is released to move the limit plate 9, the side end surface of the heat shrink film is contacted with the limit plate 9, and then the locking bolt 15 is used to fix the movable limit plate 9, and the heat shrink film is rolled up by rotating the winding roller 2. The guide roller 8 and the limit plate 9 play a guiding role with the conveyed heat shrink film, which can prevent the rolled heat shrink film from deviating. The tightness of the heat shrink film changes when it is rolled up, and the tension of the heat shrink film acts on the torsion spring connector 12, so that the guide mechanism rotates accordingly, and the spring 18 applies a thrust to the installed pressure plate 5. Under the action of the thrust, the pressure plate 5 is in close contact with the upper end surface of the conveyed heat shrink film, and the tension of the rolled heat shrink film is adjusted to improve the winding effect of the heat shrink film.

[0035] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0036] 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 guide device for heat shrink film production, comprising a winding frame (1), characterized in that: Also includes: A winding roller (2) is arranged above the winding frame (1), and the winding roller (2) is rotatably connected to the winding frame (1); a connecting plate (7) is arranged on the inner side of one end of the winding frame (1); two connecting plates (7) are arranged; a material guide roller (8) is arranged between the two connecting plates (7); three material guide rollers (8) are arranged, and the three material guide rollers (8) are rotatably connected to the connecting plate (7); a rotating chamber (10) is arranged on the winding frame (1); A connecting rod (11) is disposed inside the rotating chamber (10), and the connecting rod (11) is rotatably connected to the winding frame (1), one end of the connecting rod (11) is fixedly connected to the connecting plate (7), a torsion spring connecting member (12) is disposed between the connecting rod (11) and the winding frame (1), and the torsion spring connecting member (12) is integrally connected to the winding frame (1) and the connecting rod (11), and the torsion spring connecting member (12) is disposed outside the connecting rod (11); A limiting disk (9) is arranged outside the material guide roller (8), two limiting disks (9) are provided, and the limiting disks (9) are slidably connected to the material guide roller (8).

2. A guide device for heat shrink film production according to claim 1, characterized in that: The three material guide rollers (8) are arranged at equal distances between the two connecting plates (7), and the three material guide rollers (8) are arranged in a straight line.

3. The guide device for heat shrink film production according to claim 1, characterized in that: A fixing ring (14) is provided on one side of each of the two limiting plates (9), and the fixing ring (14) is fixedly connected to the limiting plates (9); the fixing ring (14) is provided outside the material guide roller (8), and the fixing ring (14) is slidably connected to the material guide roller (8); a locking bolt (15) is provided outside the fixing ring (14), and two locking bolts (15) are provided, and the locking bolts (15) are threadedly connected to the fixing ring (14).

4. The guide device for heat shrink film production according to claim 1, characterized in that: A silicone plate (13) is provided on the inner side of each of the two limiting plates (9), and the silicone plate (13) and the limiting plates (9) are connected as a whole.

5. The guide device for heat shrink film production according to claim 1, characterized in that: A mounting frame (4) is arranged above the winding frame (1), and the mounting frame (4) is fixedly connected to the winding frame (1); a pressing plate (5) is arranged below the mounting frame (4), and the lower end of the pressing plate (5) is arranged in an arc shape; a through hole (16) is arranged on the mounting frame (4), and two through holes (16) are arranged; a guide rod (6) is arranged above the pressing plate (5), and two guide rods (6) are arranged, and one end of the guide rod (6) is fixedly connected to the pressing plate (5); the guide rod (6) and the through hole (16) are arranged to penetrate each other, and the guide rod (6) is slidably connected to the mounting frame (4).

6. A guide device for heat shrink film production according to claim 5, characterized in that: A limit block (17) is provided at the upper end of the guide rod (6), and the limit block (17) is fixedly connected to the guide rod (6). A spring (18) is provided outside the guide rod (6), and the spring (18) is slidably connected to the guide rod (6), and two ends of the spring (18) are respectively in contact with the mounting frame (4) and the pressure plate (5).

7. The guide device for heat shrink film production according to claim 1, characterized in that: A mounting buckle (3) is arranged above the winding machine frame (1), two mounting buckles (3) are arranged, and the two mounting buckles (3) are arranged outside the two ends of the winding roller (2), and the mounting buckle (3) is connected to the winding machine frame (1) by screws.

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