Film feeding mechanism for packaging bag production

By adopting the design of synchronous rotation and pressing rollers in the packaging bag production and film rolling mechanism, the problems of poor synchronization and air inlet in the prior art are solved, and uniform bonding and efficient filming of the packaging bag and film are achieved.

CN222522172UActive Publication Date: 2025-02-25JINING XINCHANG PACKAGING TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421680512.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-16
Publication Date
2025-02-25
Estimated Expiration
2034-07-16

AI Technical Summary

Technical Problem

The existing packaging bag production film-up mechanism has poor synchronism when discharging materials, which can easily lead to the film being superimposed on the packaging bag, affecting the peritoneal effect.

Method used

A packaging bag production film-up mechanism is designed, and the connecting shaft is installed separately through one end of the coating roller and the packaging bag roller. The connecting shaft is installed on the first positioning plate through the bearing plug, and the covering is realized through the synchronization wheel and the synchronization belt. The roller and the bag roller are rotated simultaneously. At the same time, a rubber-material press roller is installed on the second positioning plate to prevent air from being injected into the inside when the packaging bag and the film are bonded.

Benefits of technology

Through the design of synchronous rotation and pressing rollers, uniform bonding between the packaging bag and the film is achieved, the film is improved, and the film is prevented from entering, thereby improving the film effect.

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Patent Text Reader

Abstract

The utility model relates to the technical field of packaging machinery, in particular to a packaging bag production film feeding mechanism which comprises a base, a first positioning plate, a connecting shaft, a film coating roller, a packaging bag roller, a synchronous wheel, a synchronous belt, a second positioning plate, a pressing roller, a third positioning plate, a positioning seat, a motor and a winding roller. The first positioning plate is mounted on one side of the base, and the first positioning plate is fixedly connected with the base through bolts; the connecting shaft is inserted and mounted on the inner walls of the first positioning plate, the second positioning plate and the third positioning plate through bearings; the film covering roller and the packaging bag roller are fixedly installed at one end of the connecting shaft through a coupler. By improving the packaging bag production film feeding mechanism, the packaging bag production film feeding mechanism has the advantages of being reasonable in structural design, high in film feeding efficiency and good in film feeding effect, air is not easily mixed in the packaging bag and a film when the packaging bag and the film are attached, and therefore 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 packaging machinery, and more specifically, to a film-loading mechanism for packaging bag production. Background Art

[0002] Packaging bags, especially plastic woven bags, are usually surface treated by laminating machines. Existing laminating machines mainly include a feeding device, a compounding device, and a winding device. The feeding device mainly includes a frame and a reel. The reel is rotatably connected to the frame, and the packaging bag is wound on the reel. The packaging bag can be unwound by rotating the reel.

[0003] The existing feeding mechanism, namely the coating roller and the packaging bag roller, mostly discharges the material by the inertia of the coating roller and the packaging bag roller during their own rotation. The synchronization is poor, and the film is easily superimposed on the packaging bag, affecting the peritoneal effect. Therefore, there is room for improvement in this device.

[0004] In view of this, research and improvement are conducted on the existing problems, and a film-applying mechanism for packaging bag production 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 film-loading mechanism for packaging bag production to solve the problems and shortcomings raised in the above-mentioned background technology.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a film-loading mechanism for packaging bag production, which is achieved by the following specific technical means:

[0007] A film-applying mechanism for packaging bag production, comprising: a base, a first positioning plate, a coupling, a film-coating roller, a packaging bag roller, a synchronous wheel, a synchronous belt, a second positioning plate, a pressing roller, a third positioning plate, a positioning seat, a motor, and a winding roller; the first positioning plate is installed on one side of the base, and the first positioning plate is fixedly connected to the base by bolts; the coupling is installed on the inner walls of the first positioning plate, the second positioning plate, and the third positioning plate by bearing insertion; the film-coating roller and the packaging bag roller are fixedly installed on one end of the coupling through a coupling; the synchronous wheel is installed on one end of the film-coating roller and the packaging bag roller, and the synchronous wheel is connected to the film-coating roller and the packaging bag roller by a key Plug-in connection; the synchronous belt is sleeved and installed on the outer wall of the synchronous wheel; the second positioning plate is installed in the middle position of one side of the base, and the second positioning plate and the base are fixedly connected by bolts; the pressing roller is plug-in installed on the inner wall of the upper part of the second positioning plate through a bearing; the third positioning plate is installed on the other side of the base, and the third positioning plate and the base are fixedly connected by bolts; the positioning seat is installed on the upper side of the third positioning plate, and the positioning seat and the third positioning plate are fixedly connected by bolts; the motor is fixedly installed on the outer wall of the positioning seat by bolts; the winding roller is fixedly installed on the output end of the motor through a coupling.

[0008] As a further optimization of the technical solution, the utility model provides a packaging bag production film-applying mechanism in which one end of the coating roller and the packaging bag roller are respectively fixedly installed with a connecting shaft through a coupling, and the connecting shaft is installed on the inner wall of the first positioning plate through a bearing insertion to form a rotating device.

[0009] As a further optimization of the technical solution, in the utility model, a synchronous wheel is installed at one end of the connecting shaft of the film-applying mechanism for packaging bag production through key insertion, and a synchronous belt is sleeved and installed on the outer wall of the synchronous wheel.

[0010] As a further optimization of the technical solution, the utility model provides a packaging bag production film-loading mechanism, on the inner wall of which two pressing rollers symmetrically distributed in an upper and lower shape are installed through bearing insertion.

[0011] As a further optimization of the technical solution, the laminating roller of the film-applying mechanism for producing packaging bags of the utility model is made of rubber material, and the outer walls of the laminating rollers at the upper and lower locations are in contact with each other.

[0012] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0013] 1. In the utility model, one end of the laminating roller and the packaging bag roller are respectively fixedly installed with a connecting shaft through a coupling, and the connecting shaft is installed on the inner wall of the first positioning plate through a bearing plug-in to form a rotating device, one end of the connecting shaft is installed with a synchronous wheel through a key plug-in, and a synchronous belt is sleeved and installed on the outer wall of the synchronous wheel. One end of the laminating roller and the packaging bag roller is installed with a synchronous wheel through the connecting shaft, and the laminating roller and the packaging bag roller are driven to rotate synchronously by the synchronous belt on the outer wall of the synchronous wheel, so that the packaging bag on the packaging bag roller and the film of the laminating roller are more evenly attached, thereby improving the film application efficiency.

[0014] 2. Two pressing rollers symmetrically distributed in an upper and lower shape are installed on the inner wall of the second positioning plate of the utility model through bearing insertion. The pressing rollers are made of rubber material, and the outer walls of the upper and lower pressing rollers are abutted. After the packaging bag on the packaging bag roller and the film on the laminating roller are laminated, they are compressed by the outer walls of the upper and lower pressing rollers and then tightened by the winding roller, which avoids the hidden danger of air being injected into the interior when the packaging bag and the film are laminated, thereby improving the film coating effect.

[0015] 3. The utility model improves a film-applying mechanism for packaging bag production, and has the advantages of reasonable structural design, high film-applying efficiency, and good film-applying effect without air being easily entrained when the packaging bag and the film are attached, thereby effectively solving the problems and shortcomings in the existing technology and equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] 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:

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the top view structure of the utility model;

[0019] Figure 3 It is a cross-sectional structural schematic diagram of the utility model;

[0020] Figure 4 It is a schematic diagram of the rear side structure at a 45-degree angle of the present invention.

[0021] In the figure: base 1, first positioning plate 2, connecting shaft 3, laminating roller 4, packaging bag roller 5, synchronous wheel 6, synchronous belt 7, second positioning plate 8, pressing roller 9, third positioning plate 10, positioning seat 11, motor 12, winding roller 13. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figures 1 to 4 The utility model provides a specific technical implementation scheme for a film-loading mechanism for packaging bag production:

[0024] A film-coating mechanism for packaging bag production includes: a base 1, a first positioning plate 2, a connecting shaft 3, a film coating roller 4, a packaging bag roller 5, a synchronous wheel 6, a synchronous belt 7, a second positioning plate 8, a pressing roller 9, a third positioning plate 10, a positioning seat 11, a motor 12, and a winding roller 13; the first positioning plate 2 is installed on one side of the base 1, and the first positioning plate 2 and the base 1 are fixedly connected by bolts; the connecting shaft 3 is installed on the inner walls of the first positioning plate 2, the second positioning plate 8, and the third positioning plate 10 through bearing insertion.

[0025] The laminating roller 4 and the packaging bag roller 5 are fixedly mounted on one end of the connecting shaft 3 through a coupling; one end of the laminating roller 4 and the packaging bag roller 5 are respectively fixedly mounted with the connecting shaft 3 through a coupling, and the connecting shaft 3 is mounted on the inner wall of the first positioning plate 2 through a bearing plug-in as a rotating device, one end of the connecting shaft 3 is mounted with a synchronous wheel 6 through a key plug-in, and a synchronous belt 7 is sleeved and mounted on the outer wall of the synchronous wheel 6. One end of the laminating roller 4 and the packaging bag roller 5 is mounted with a synchronous wheel 6 through the connecting shaft 3, and the laminating roller 4 and the packaging bag roller 5 are driven to rotate synchronously by the synchronous belt 7 on the outer wall of the synchronous wheel 6, so that the packaging bag on the packaging bag roller 5 and the film of the laminating roller 4 are more evenly bonded, thereby improving the film application efficiency.

[0026] The synchronous wheel 6 is installed at one end of the laminating roller 4 and the packaging bag roller 5, and the synchronous wheel 6 is connected with the laminating roller 4 and the packaging bag roller 5 through a key plug-in connection; the synchronous belt 7 is sleeved and installed on the outer wall of the synchronous wheel 6.

[0027] The second positioning plate 8 is installed in the middle position of one side of the base 1, and the second positioning plate 8 is fixedly connected to the base 1 by bolts; two pressing rollers 9 symmetrically distributed in an upper and lower shape are installed on the inner wall of the second positioning plate 8 through bearing insertion, and the pressing roller 9 is made of rubber material, and the outer walls of the upper and lower pressing rollers 9 are abutted. After the packaging bag on the packaging bag roller 5 and the film of the laminating roller 4 are laminated, they are pressed by the outer walls of the upper and lower pressing rollers 9 and then tightened by the winding roller 13, which avoids the hidden danger of air being injected into the interior when the packaging bag and the film are laminated, and improves the film application effect.

[0028] The pressing roller 9 is installed on the inner wall of the upper part of the second positioning plate 8 through bearing insertion; the third positioning plate 10 is installed on the other side of the base 1, and the third positioning plate 10 is fixedly connected to the base 1 by bolts; the positioning seat 11 is installed on one side of the upper part of the third positioning plate 10, and the positioning seat 11 is fixedly connected to the third positioning plate 10 by bolts; the motor 12 is fixedly installed on the outer wall of the positioning seat 11 by bolts; the winding roller 13 is fixedly installed on the output end of the motor 12 through a coupling.

[0029] Working principle:

[0030] When in use, the packaging bag and the film are fixedly mounted on the coating roller 4 and the packaging bag roller 5 on the first positioning plate 2 respectively, and one end of the packaging bag and the film is passed through between the upper and lower pressing rollers 9 and fixed on the outer wall of the winding roller 13, and then the motor 12 is started, and the motor 12 drives the winding roller 13 to rotate, so that the winding roller 13 drives the coating roller 4 and the packaging bag roller 5 to rotate. After the packaging bag and the film of the coating roller 4 on the packaging bag roller 5 are pasted together, they are pressed tightly by the outer walls of the upper and lower pressing rollers 9 and then tightened by the winding roller 13, which can prevent air from being injected into the interior when the packaging bag and the film are pasted together. One end of the coating roller 4 and the packaging bag roller 5 is equipped with a synchronous wheel 6 through the connecting shaft 3, and the coating roller 4 and the packaging bag roller 5 are driven to rotate synchronously by the synchronous belt 7 on the outer wall of the synchronous wheel 6, so that the packaging bag on the packaging bag roller 5 and the film of the coating roller 4 are pasted more evenly, thereby improving the film application efficiency.

[0031] In summary: a film-applying mechanism for packaging bag production is provided, in which a film-applying roller and a packaging bag roller are respectively fixedly installed with a connecting shaft through a coupling at one end, and the connecting shaft is installed on the inner wall of the first positioning plate through a bearing plug-in connection as a rotating device, a synchronous wheel is installed at one end of the connecting shaft through a key plug-in connection, and a synchronous belt is sleeved and installed on the outer wall of the synchronous wheel, a synchronous wheel is installed at one end of the film-applying roller and the packaging bag roller through a connecting shaft, and the film-applying roller and the packaging bag roller are driven to rotate synchronously through the synchronous belt on the outer wall of the synchronous wheel, so that the packaging bag on the packaging bag roller and the film of the film-applying roller are more evenly attached, thereby improving the film-applying efficiency; through the inner wall of the second positioning plate Two pressing rollers symmetrically distributed in an upper and lower shape are installed on the upper and lower surfaces through bearing insertion. The pressing rollers are made of rubber material, and the outer walls of the upper and lower pressing rollers are abutted against each other. After the packaging bag on the packaging bag roller and the film of the laminating roller are pasted together, they are pressed by the outer walls of the upper and lower pressing rollers and then tightened by the winding roller, thereby preventing the hidden danger of air being injected into the packaging bag and the film when they are pasted together, and improving the film-painting effect. Through the improvement of a film-painting mechanism for packaging bag production, the invention has the advantages of reasonable structural design, high film-painting efficiency, and it is not easy to entrain air when the packaging bag and the film are pasted together, and the film-painting effect is good, thereby effectively solving the problems and shortcomings in the existing technology and equipment.

[0032] Although the 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 film-loading mechanism for packaging bag production, comprising: A base (1), a first positioning plate (2), a connecting shaft (3), a laminating roller (4), a packaging bag roller (5), a synchronous wheel (6), a synchronous belt (7), a second positioning plate (8), a pressing roller (9), a third positioning plate (10), a positioning seat (11), a motor (12), and a winding roller (13); characterized in that: the first positioning plate (2) is mounted on one side of the base (1), and the first positioning plate (2) and the base (1) are fixedly connected by bolts; the connecting shaft (3) is mounted on the inner walls of the first positioning plate (2), the second positioning plate (8), and the third positioning plate (10) by bearing insertion; the laminating roller (4) and the packaging bag roller (5) are fixedly mounted on one end of the connecting shaft (3) by a coupling; the synchronous wheel (6) is mounted on one end of the laminating roller (4) and the packaging bag roller (5), and the synchronous wheel (6) is connected to the laminating roller (4) and the packaging bag roller (5). The bag roller (5) is connected by key plugging; the synchronous belt (7) is sleeved and mounted on the outer wall of the synchronous wheel (6); the second positioning plate (8) is mounted at the middle position of one side of the base (1), and the second positioning plate (8) and the base (1) are fixedly connected by bolts; the pressing roller (9) is mounted on the inner wall of the upper part of the second positioning plate (8) by bearing plugging; the third positioning plate (10) is mounted on the other side of the base (1), and the third positioning plate (10) and the base (1) are fixedly connected by bolts; the positioning seat (11) is mounted on one side of the upper part of the third positioning plate (10), and the positioning seat (11) and the third positioning plate (10) are fixedly connected by bolts; the motor (12) is fixedly mounted on the outer wall of the positioning seat (11) by bolts; and the winding roller (13) is fixedly mounted on the output end of the motor (12) by a coupling.

2. A film-loading mechanism for packaging bag production according to claim 1, characterized in that: One end of the laminating roller (4) and the packaging bag roller (5) are respectively fixedly mounted with a connecting shaft (3) via a coupling, and the connecting shaft (3) is mounted on the inner wall of the first positioning plate (2) via a bearing insertion to form a rotating device.

3. The film-loading mechanism for packaging bag production according to claim 1, characterized in that: A synchronous wheel (6) is installed on one end of the coupling shaft (3) through key insertion, and a synchronous belt (7) is sleeved and installed on the outer wall of the synchronous wheel (6).

4. The film-loading mechanism for packaging bag production according to claim 1, characterized in that: Two pressing rollers (9) symmetrically distributed in an upper and lower manner are installed on the inner wall of the second positioning plate (8) via bearing insertion.

5. The film-loading mechanism for packaging bag production according to claim 1, characterized in that: The laminating roller (9) is made of rubber material, and the outer walls of the laminating roller (9) at the upper and lower locations are in contact with each other.