Feeding roller for stretch film packaging paper

By designing a feeding roller structure including a conical nip seat and a spring, the problem of the inability to fix the film rollers of different inner diameters in the prior art is solved, the stable fixation and positioning of the film rollers are achieved, and the flexibility of the film rollers is improved. sex.

CN222292124UActive Publication Date: 2025-01-03SHANDONG BOFA PACKAGING MASCH CO LTD
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Patent Information

Application Number
CN202421145121.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-23
Publication Date
2025-01-03
Estimated Expiration
2034-05-23

AI Technical Summary

Technical Problem

The existing stretch film packaging machine loading rollers cannot effectively fix film rollers of different inner diameters, resulting in the inability to meet the fixing needs for film rollers of different inner diameters.

Method used

A feeding including a mounting plate, a limit sleeve, a positioning tube, a first pinch seat, a motor, a drive shaft, a membrane roller, a second pinch seat, a spring, a limit ring, a slide, a positioning ring and a clamp are designed. The rollers are clamped and fixed to different inner diameter film rollers through the combined structure of the conical shape of the first and second clamp seats, the spring, the limiting ring and the slide.

Benefits of technology

This design realizes firm and stable fixation of film rollers with different inner diameters, solves the problem of poor fixation in the prior art, and improves the positioning stability of film rollers.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of stretch film packaging machines, in particular to a feeding roller for stretch film packaging paper, which comprises a mounting plate, a limiting sleeve, a positioning pipe, a first clamping seat, a motor, a driving shaft, a film roller, a second clamping seat, a spring, a limiting ring, a sliding seat, a positioning ring and a clamping block. The limiting sleeve is mounted on one side of the mounting plate, and the limiting sleeve is connected with the mounting plate in a welding manner; the positioning pipe is installed on the inner wall of the limiting sleeve in a threaded rotation mode. The first clamping base is installed at one end of the positioning pipe and connected with the positioning pipe in a welded mode. The motor is fixedly mounted on the other side of the mounting plate through bolts; by improving the feeding roller for the stretch film packaging paper, the feeding roller for the stretch film packaging paper has the advantages that the structural design is reasonable, the feeding roller can fix film rollers with different inner diameters, and the film rollers are firmly and stably fixed, so that the problems and defects in the prior art and equipment are effectively solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of stretch film packaging machines, and more specifically, particularly relates to a feeding roller for stretch film packaging paper. Background Art

[0002] The stretch film packaging machine uses shrink film to wrap the outside of the product or package. After heating, the shrink film shrinks and wraps the product or package tightly, fully displaying the appearance of the item, improving the product's sales, and increasing its beauty and value.

[0003] For example, the authorization announcement number CN 219507275 U discloses an anti-bias feeding roller for a stretch film packaging machine, in which the film roller is fixed by the expansion of an airbag to drive multiple compacting parts to slide on the inner wall of an outer roller, so that the outer wall of the compacting part abuts against the inner wall of the film roller to fix the film roller. However, the sliding distance of the compacting part on the inner wall of the outer roller is limited, and only film rollers with specific inner diameters can be fixed, and film rollers with different inner diameters cannot be fixed. Therefore, we propose a feeding roller for stretch film packaging paper.

[0004] In view of this, research and improvement are conducted on the existing problems, and a feeding roller for stretch film packaging paper is provided, aiming to achieve the purpose of solving the problems and improving the practical value through this technology. Utility Model Content

[0005] The utility model aims to provide a feeding roller for stretch film packaging paper to solve the problems and shortcomings raised in the above-mentioned background technology.

[0006] In order to achieve the above object, the utility model provides a feeding roller for stretch film packaging paper, which is achieved by the following specific technical means:

[0007] A feeding roller for stretch film packaging paper, comprising: a mounting plate, a limiting sleeve, a positioning tube, a first clamping seat, a motor, a driving shaft, a film roller, a second clamping seat, a spring, a limiting ring, a sliding seat, a positioning ring, and a clamping block; the limiting sleeve is mounted on one side of the mounting plate, and the limiting sleeve is welded to the mounting plate; the positioning tube is mounted on the inner wall of the limiting sleeve by means of threaded rotation; the first clamping seat is mounted on one end of the positioning tube, and the first clamping seat is welded to the positioning tube; the motor is fixedly mounted on the other side of the mounting plate by bolts; the driving shaft is fixedly mounted on the output end of the motor by a coupling; The film roller is installed on the outer wall of one side of the first clamp seat, and the film roller is abutted against the first clamp seat; the second clamp seat is located at the other end of the inner wall of the film roller, and the second clamp seat is abutted against the film roller; the spring is installed on the inner wall of the second clamp seat, and the spring is plug-connected to the second clamp seat; the limit ring is installed on the inner wall of the second clamp seat by threaded rotation; the slide seat is installed on the inner wall of the second clamp seat, and the slide seat is plug-connected to the second clamp seat; the positioning ring is installed on the inner wall of one end of the slide seat, and the positioning ring is plug-connected to the slide seat; the clamp block is installed on the inner wall of the positioning ring, and the clamp block is welded to the positioning ring.

[0008] As a further optimization of the technical solution, the first clamping seat and the second clamping seat of the feeding roller for stretch film packaging paper of the utility model have a conical appearance.

[0009] As a further optimization of the technical solution, the utility model provides a feeding roller for stretch film packaging paper, and one end of the second clamping seat is provided with a groove for installing a spring, a limit ring, and a sliding seat, and the sliding seat is slidably installed in the groove by plugging.

[0010] As a further optimization of the technical solution, the slide seat of the feeding roller for stretch film packaging paper of the utility model is a structure in the shape of the English letter "T", and a spring is installed in contact between the slide seat and the second clamping seat.

[0011] As a further optimization of the technical solution, the two ends of the driving shaft of the feeding roller for stretch film packaging paper of the utility model are stepped shafts, and a comb-shaped groove is opened at one end of the driving shaft, and the block on the positioning ring engages with the groove through rotation.

[0012] As a further optimization of the technical solution, in the utility model, the inner wall of the positioning ring of the feeding roller for stretch film packaging paper is welded to the clamping block to form an integrated structure.

[0013] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0014] 1. The first clamping seat and the second clamping seat of the utility model have a conical appearance, and one end of the second clamping seat is provided with a groove for installing a spring, a limit ring, and a sliding seat, and the sliding seat is slidably installed in the groove by plugging. The first clamping seat and the second clamping seat have a conical appearance, which meets the requirements of the first clamping seat and the second clamping seat for clamping and fixing film rollers with different inner diameters.

[0015] 2. The sliding seat of the utility model has an appearance of the English letter "T"-shaped structure, and a spring is installed in abutment between the sliding seat and the second clamping seat. The two ends of the driving shaft are stepped shafts, and one end of the driving shaft is provided with a comb-shaped groove, and the block on the positioning ring is engaged with the groove by rotation, and the inner wall of the positioning ring and the block are welded and connected to form an integrated structure. A spring is installed in abutment between the sliding seat and the second clamping seat, so that after the block on the positioning ring is engaged with the groove on the driving shaft, the outer wall of the second clamping seat can apply a certain pressure to one end of the film roller, so that the positioning of the film roller is more firm and stable.

[0016] 3. The utility model improves a feeding roller for stretch film packaging paper, has the advantages of reasonable structural design, the feeding roller can fix film rollers with different inner diameters, and the film rollers are firmly and stably fixed, thereby effectively solving the problems and shortcomings in the existing technology and equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

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

[0019] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0020] Figure 3 This is a schematic diagram of the explosion structure of the second clamping seat of the utility model;

[0021] Figure 4 It is a structural schematic diagram of the positioning ring of the utility model;

[0022] Figure 5 for Figure 2 Schematic diagram of the structure at point A in the middle.

[0023] In the figure: a mounting plate 1, a limiting sleeve 2, a positioning tube 3, a first clamping seat 4, a motor 5, a driving shaft 6, a film roller 7, a second clamping seat 8, a spring 9, a limiting ring 10, a sliding seat 11, a positioning ring 12, and a clamping block 13. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figures 1 to 5 The utility model provides a specific technical implementation scheme of a feeding roller for stretch film packaging paper:

[0026] A feeding roller for stretch film packaging paper comprises: a mounting plate 1, a limiting sleeve 2, a positioning tube 3, a first clamping seat 4, a motor 5, a driving shaft 6, a film roller 7, a second clamping seat 8, a spring 9, a limiting ring 10, a sliding seat 11, a positioning ring 12, and a clamping block 13; the limiting sleeve 2 is mounted on one side of the mounting plate 1, and the limiting sleeve 2 is welded to the mounting plate 1; the positioning tube 3 is mounted on the inner wall of the limiting sleeve 2 by means of threaded rotation.

[0027] The first clamp seat 4 is installed at one end of the positioning tube 3, and the first clamp seat 4 is welded to the positioning tube 3; the first clamp seat 4 and the second clamp seat 8 have a conical appearance, and one end of the second clamp seat 8 is provided with a groove for installing a spring 9, a limit ring 10, and a slide seat 11, and the slide seat 11 is slidably installed in the groove by plugging. The first clamp seat 4 and the second clamp seat 8 have a conical appearance, which meets the requirements of the first clamp seat 4 and the second clamp seat 8 for clamping and fixing film rollers 7 with different inner diameters.

[0028] The motor 5 is fixedly installed on the other side of the mounting plate 1 by bolts; the drive shaft 6 is fixedly installed on the output end of the motor 5 by a coupling; the film roller 7 is installed on the outer wall of one side of the first clamping seat 4, and the film roller 7 is abutted against the first clamping seat 4; the second clamping seat 8 is located at the other end of the inner wall of the film roller 7, and the second clamping seat 8 is abutted against the film roller 7; the spring 9 is installed on the inner wall of the second clamping seat 8, and the spring 9 is plug-connected with the second clamping seat 8; the limit ring 10 is installed on the inner wall of the second clamping seat 8 by threaded rotation.

[0029] The slide 11 is installed on the inner wall of the second clamping seat 8, and the slide 11 is plug-connected with the second clamping seat 8; the positioning ring 12 is installed on the inner wall of one end of the slide 11, and the positioning ring 12 is plug-connected with the slide 11; the slide 11 has an appearance of the English letter "T"-shaped structure, and a spring 9 is installed in abutment between the slide 11 and the second clamping seat 8, both ends of the drive shaft 6 are stepped shafts, and a comb-shaped groove is opened at one end of the drive shaft 6, and the block 13 on the positioning ring 12 is engaged with the groove by rotation, and the inner wall of the positioning ring 12 and the block 13 are welded and connected to form an integrated structure, and a spring 9 is installed in abutment between the slide 11 and the second clamping seat 8, so that after the block 13 on the positioning ring 12 is engaged with the groove on the drive shaft 6, the outer wall of the second clamping seat 8 can apply a certain pressure to one end of the film roller 7, so that the positioning of the film roller 7 is more firm and stable.

[0030] The clamping block 13 is mounted on the inner wall of the positioning ring 12 , and the clamping block 13 is connected to the positioning ring 12 by welding.

[0031] Specific implementation steps:

[0032] When in use, the film roller 7 is inserted and installed on the outer wall of the drive shaft 6, and one end of the film roller 7 is abutted against the outer wall of the first clamp 4, and then the slide 11 is held to make the block 13 on the positioning ring 12 on the inner wall of the slide 11 slide in the groove at one end of the drive shaft 6, and engage after rotation, so that the outer wall of the second clamp 8 can apply pressure to the other end of the film roller 7, thereby fixing the film roller 7. The first clamp 4 and the second clamp 8 have a conical appearance, so that the first clamp 4 and the second clamp 8 can clamp and fix film rollers 7 with different inner diameters.

[0033] In summary: the feeding roller for stretch film packaging paper has a first clamping seat and a second clamping seat in a conical shape, one end of the second clamping seat is provided with a groove for installing a spring, a limit ring and a sliding seat, and the sliding seat is slidably installed in the groove by plugging, and the first clamping seat and the second clamping seat have a conical shape in appearance, which meets the requirements of the first clamping seat and the second clamping seat for clamping and fixing film rollers with different inner diameters; the sliding seat is a structure in the shape of the English letter "T", and a spring is installed in contact between the sliding seat and the second clamping seat, both ends of the driving shaft are stepped shafts, and one end of the driving shaft is provided with a comb-tooth-shaped slot, The clamping block on the positioning ring engages with the clamping groove by rotation, and the inner wall of the positioning ring and the clamping block are welded and connected to form an integrated structure. A spring is installed in abutment between the sliding seat and the second clamping seat, so that after the clamping block on the positioning ring engages with the groove on the driving shaft, the outer wall of the second clamping seat can apply a certain pressure to one end of the film roller, so that the positioning of the film roller is more firm and stable. Through the improvement of a feeding roller for stretch film packaging paper, it has the advantages of reasonable structural design, the feeding roller can fix film rollers with different inner diameters, and the film roller is firmly and stably fixed, thereby effectively solving the problems and shortcomings in the existing technology and equipment.

[0034] 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 feeding roller for stretch film packaging paper, comprising: A mounting plate (1), a limiting sleeve (2), a positioning tube (3), a first clamping seat (4), a motor (5), a driving shaft (6), a film roller (7), a second clamping seat (8), a spring (9), a limiting ring (10), a sliding seat (11), a positioning ring (12), and a clamping block (13); characterized in that: the limiting sleeve (2) is mounted on one side of the mounting plate (1), and the limiting sleeve (2) is welded to the mounting plate (1); the positioning tube (3) is mounted on the inner wall of the limiting sleeve (2) by means of threaded rotation; the first clamping seat (4) is mounted on one end of the positioning tube (3), and the first clamping seat (4) is welded to the positioning tube (3); the motor (5) is fixedly mounted on the other side of the mounting plate (1) by bolts; the driving shaft (6) is fixedly mounted on the output end of the motor (5) by a coupling; the film roller (7) is mounted The first clamping seat (4) is mounted on the outer wall of one side of the first clamping seat (4), and the film roller (7) is in contact with the first clamping seat (4); the second clamping seat (8) is located at the other end of the inner wall of the film roller (7), and the second clamping seat (8) is in contact with the film roller (7); the spring (9) is mounted on the inner wall of the second clamping seat (8), and the spring (9) is plug-connected with the second clamping seat (8); the limiting ring (10) is mounted on the inner wall of the second clamping seat (8) by means of threaded rotation; the sliding seat (11) is mounted on the inner wall of the second clamping seat (8), and the sliding seat (11) is plug-connected with the second clamping seat (8); the positioning ring (12) is mounted on the inner wall of one end of the sliding seat (11), and the positioning ring (12) is plug-connected with the sliding seat (11); the clamping block (13) is mounted on the inner wall of the positioning ring (12), and the clamping block (13) is welded to the positioning ring (12).

2. The feeding roller for stretch film packaging paper according to claim 1, characterized in that: The first clamping seat (4) and the second clamping seat (8) have a conical appearance.

3. The feeding roller for stretch film packaging paper according to claim 1, characterized in that: One end of the second clamping seat (8) is provided with a groove for installing a spring (9), a limiting ring (10), and a sliding seat (11), and the sliding seat (11) is slidably installed in the groove by plugging.

4. The feeding roller for stretch film packaging paper according to claim 1, characterized in that: The sliding seat (11) is a structure in the shape of the English letter "T", and a spring (9) is installed between the sliding seat (11) and the second clamping seat (8).

5. The feeding roller for stretch film packaging paper according to claim 1, characterized in that: Both ends of the drive shaft (6) are stepped shafts, and one end of the drive shaft (6) is provided with a comb-tooth-shaped slot, and the block (13) on the positioning ring (12) engages with the slot by rotating.

6. The feeding roller for stretch film packaging paper according to claim 1, characterized in that: The inner wall of the positioning ring (12) and the clamping block (13) are welded together to form an integrated structure.