Film connecting machine of plastic film packaging line

By introducing a combination of corner sensors and ultrasonic welding heads into the plastic film packaging line, automatic bonding and welding of the main and auxiliary films are achieved, solving the problem of weak connection in traditional film splicing machines and improving connection stability and packaging line operating efficiency.

CN223879107UActive Publication Date: 2026-02-06QINGDAO HUIMENG PLASTICS CO LTD
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Patent Information

Application Number
CN202520498761.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-20
Publication Date
2026-02-06
Estimated Expiration
2035-03-20

AI Technical Summary

Technical Problem

Traditional plastic film packaging lines, when running at high speeds, suffer from problems with the film splicing machine that relies on double-sided adhesive for bonding, such as weak adhesion and easy detachment, which cannot meet the requirements for high stability.

Method used

An angle sensor is used to detect when the membrane roll is used up. The combination of an electric telescopic rod and an ultrasonic welding head enables automatic bonding and welding of the main and auxiliary membranes, ensuring connection stability.

Benefits of technology

It improves the stability of plastic film bonding, ensures continuous operation of the packaging line and product quality, and solves the problem of weak bonding in traditional film splicing machines.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223879107U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of film connecting machines, and discloses a film connecting machine of a plastic film packaging line, which comprises a first working table and a second working table, and upright posts are arranged at four corners of the lower end of each of the first working table and the second working table; the transverse frames are arranged on the two sides of the lower end of the second workbench, sliding rails are fixedly arranged in the transverse frames, a sliding frame is slidably installed outside the sliding rails, a top plate is fixedly arranged at the lower end of the sliding frame, and an ultrasonic transducer, an amplitude-change pole and an ultrasonic welding head are sequentially and fixedly installed in the middle of the lower end of the top plate from top to bottom; a sliding rod is fixedly arranged on the rear side of the lower end of the top plate, and bottom blocks are arranged outside the sliding rod and located on the lower portion of the ultrasonic welding head at intervals. According to the utility model, two plastic films are clamped and welded by adding the ultrasonic welding head and the bottom block, so that the connection of the main plastic film and the auxiliary plastic film is more stable.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of film connecting machine, concretely is a kind of film connecting machine of plastic film packaging line. BACKGROUND

[0002] In the plastic film packaging industry, film connecting machine as key equipment, bears the important task of connecting the multiple plastic film in a roll when exhausted automatically, to ensure the continuous operation of packaging line and efficient production. Traditional film connecting machine usually uses double-sided adhesive tape as connecting medium, and the main plastic film roll and vice plastic film roll are pasted together, so that the film is connected.

[0003] However, this connection mode depending on double-sided adhesive tape has certain limitation, and the adhesive area and glue strength of double-sided adhesive tape directly determine the stability of plastic film connection. In actual application, due to the pasting characteristics of double-sided adhesive tape, there may be problems such as poor adhesion and easy falling off, which affect the normal operation of the packaging line and product quality. Especially on high-speed packaging line, the requirement for connection stability is higher, and only using double-sided adhesive tape connection mode may not meet such high requirements. Therefore, a film connecting machine for plastic film packaging line is proposed. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a film connecting machine for plastic film packaging line to solve the problems in the background art.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a film connecting machine for plastic film packaging line, comprising:

[0006] The first workbench and the second workbench, the first workbench is arranged on the left side of the second workbench;

[0007] The first backboard is fixedly arranged at the upper end of the rear part of the first workbench, the upper end of the front side of the first backboard is provided with a first corner sensor, the upper end of the first backboard is located outside the first corner sensor and is provided with a first main transmission roller, and the first main transmission roller is rotatably connected with the first backboard, the front end of the first backboard is rotatably installed with a second main transmission roller, and the front end of the first backboard is rotatably installed with a third main transmission roller;

[0008] The second backboard is fixedly arranged at the upper end of the rear part of the second workbench, the upper end of the front side of the second backboard is provided with a second corner sensor, the upper end of the second backboard is located outside the second corner sensor and is provided with a first auxiliary transmission roller, and the first auxiliary transmission roller is rotatably connected with the second backboard, the front end of the second backboard is rotatably installed with a second auxiliary transmission roller, and the front end of the second backboard is rotatably installed with a third auxiliary transmission roller;

[0009] Side cavity, set up in the first workstation and the second workstation adjacent end, the inside of the side cavity is installed with electric telescopic rod, the outside of the electric telescopic rod is installed with side frame, the inside of the inside side frame of the first workstation is installed with the fourth main transmission roller, the inside of the inside side frame of the second workstation is installed with the fourth auxiliary transmission roller;

[0010] The lower end of the first workstation and the second workstation is provided with a stand at four corners, a first transmission roller is arranged at the lower left side of the second workstation, and a second transmission roller is arranged at the lower right side of the second workstation.

[0011] The horizontal frame is arranged at the lower end of the second workstation, and the horizontal frame is fixedly connected with the stand, the inside of the horizontal frame is fixedly provided with a sliding rail, the outside of the sliding rail is slidably provided with a sliding frame, the lower end of the sliding frame is fixedly provided with a top plate, the lower end of the top plate is sequentially fixedly provided with an ultrasonic transducer, a variable amplitude rod and an ultrasonic welding head from top to bottom, one side of the lower end of the second workstation is provided with an ultrasonic generator, the rear side of the lower end of the top plate is fixedly provided with a sliding rod, the ultrasonic welding head is slidably connected with the sliding rod, and the outside of the sliding rod is provided with a bottom block at the lower part of the ultrasonic welding head in a spaced manner, and the bottom block is slidably connected with the sliding rod.

[0012] A first drive motor is arranged at the front side of the lower end of the top plate, and a double-head screw rod is arranged at the output end of the first drive motor.

[0013] Preferably, the side frame is fixedly connected with the electric telescopic rod, the fourth main transmission roller and the fourth auxiliary transmission roller are rotatably connected with the side frame, and the electric telescopic rod is used for controlling the movement of the side frame.

[0014] Preferably, the stand is fixedly connected with the first workstation and the second workstation, the first transmission roller and the second transmission roller are rotatably connected with the stand, and the first transmission roller and the second transmission roller are used for guiding the flow of the plastic film.

[0015] Preferably, the ultrasonic generator is fixedly connected with the second workstation, and the first drive motor is fixedly connected with the top plate.

[0016] Preferably, the double-head screw rod is fixedly connected with the output end of the first drive motor, and the first drive motor is used for controlling the rotation of the double-head screw rod.

[0017] Preferably, the lower end of the stand is provided with a bottom plate, and the bottom plate is fixedly connected with the stand, and the bottom plate is used for fixing the stand.

[0018] Compared with the prior art, the plastic film packaging line film connecting machine has the following beneficial effects:

[0019] The utility model discloses a corner sensor is set up to the rotation of first main drive roll is detected, judges that main plastic film is used up when first main drive roll stops rotating, and electric telescopic link drives fourth auxiliary drive roll and fourth main drive roll to adhere to make double -sided adhesive tape stick together main plastic film and auxiliary plastic film, and first drive motor controls the rotation of double -end screw rod to make ultrasonic welding head and bottom block clamp the combination part of plastic film and weld, so that the film of main auxiliary two plastic films is more stable, and the problem in the background art is solved. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the overall structure perspective drawing of the utility model;

[0021] Figure 2 It is the welding structure perspective drawing of the utility model. Figure 1 It is the local enlarged view of area A;

[0022] Figure 3 It is the welding structure perspective drawing of the utility model.

[0023] In the drawing: 1, first workstation;2, second workstation;3, first backboard;4, second backboard;5, first corner sensor;6, first main drive roll;7, second main drive roll;8, third main drive roll;9, fourth main drive roll;10, second corner sensor;11, first auxiliary drive roll;12, second auxiliary drive roll;13, third auxiliary drive roll;14, fourth auxiliary drive roll;15, side cavity;16, electric telescopic link;17, side frame;18, stand;19, bottom plate;20, first drive roll;21, second drive roll;22, cross frame;23, slide rail;24, slide bracket;25, top plate;26, first drive motor;27, double -end screw rod;28, slide rod;29, ultrasonic welding head;30, amplitude bar;31, ultrasonic transducer;32, bottom block;33, ultrasonic generator;34, main plastic film;35, auxiliary plastic film;36, double -sided adhesive tape. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and apparently, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.

[0025] The utility model provides a technical scheme, a plastic film packaging line's film joint machine, please refer to Figure 1 、 Figure 2 And Figure 3 , comprising:

[0026] The first workbench 1 and the second workbench 2, the first workbench 1 is arranged on the left side of the second workbench 2;

[0027] The first back plate 3 is fixedly arranged on the upper end of the rear part of the first workbench 1, the upper end of the front side of the first back plate 3 is provided with the first corner sensor 5, the upper end of the first back plate 3 is located outside the first corner sensor 5 and is provided with the first main transmission roller 6, and the first main transmission roller 6 is rotationally connected with the first back plate 3, the front end of the first back plate 3 is rotationally installed with the second main transmission roller 7, and the front end of the first back plate 3 is rotationally installed with the third main transmission roller 8;

[0028] The second back plate 4 is fixedly arranged on the upper end of the rear part of the second workbench 2, the upper end of the front side of the second back plate 4 is provided with the second corner sensor 10, the upper end of the second back plate 4 is located outside the second corner sensor 10 and is provided with the first auxiliary transmission roller 11, and the first auxiliary transmission roller 11 is rotationally connected with the second back plate 4, the front end of the second back plate 4 is rotationally installed with the second auxiliary transmission roller 12, and the front end of the second back plate 4 is rotationally installed with the third auxiliary transmission roller 13;

[0029] The side cavity 15 is arranged on the adjacent end of the first workbench 1 and the second workbench 2, the inside of the side cavity 15 is installed with the electric telescopic rod 16, the outside of the electric telescopic rod 16 is installed with the side frame 17, the inside of the side frame 17 located in the first workbench 1 is installed with the fourth main transmission roller 9, and the inside of the side frame 17 located in the second workbench 2 is installed with the fourth auxiliary transmission roller 14;

[0030] The lower end of the first workbench 1 and the second workbench 2 is provided with the stand column 18, the first transmission roller 20 is arranged on the lower left side of the second workbench 2, and the second transmission roller 21 is arranged on the lower right side of the second workbench 2;

[0031] The horizontal frame 22 is arranged on the lower end of the second workbench 2, and the horizontal frame 22 is fixedly connected with the stand column 18, the inside of the horizontal frame 22 is fixedly provided with the sliding rail 23, the outside of the sliding rail 23 is slidingly installed with the sliding frame 24, the lower end of the sliding frame 24 is fixedly provided with the top plate 25, the lower end of the top plate 25 is sequentially fixedly installed with the ultrasonic transducer 31, the amplitude rod 30 and the ultrasonic welding head 29 from top to bottom, the lower end of the second workbench 2 is provided with the ultrasonic generator 33, the lower end of the rear side of the top plate 25 is fixedly provided with the sliding rod 28, the ultrasonic welding head 29 is slidingly connected with the sliding rod 28, the outside of the sliding rod 28 is spacedly provided with the bottom block 32 below the ultrasonic welding head 29, and the bottom block 32 is slidingly connected with the sliding rod 28;

[0032] The first driving motor 26 is arranged on the lower end of the front side of the top plate 25, the output end of the first driving motor 26 is installed with the double-head screw rod 27, and the ultrasonic welding head 29 and the bottom block 32 are both threadedly connected with the double-head screw rod 27.

[0033] Please refer to Figure 1 and Figure 2 The side frame 17 is fixedly connected with the electric telescopic rod 16, and the fourth main transmission roller 9 and the fourth auxiliary transmission roller 14 are both rotationally connected with the side frame 17. The electric telescopic rod 16 is used for controlling the movement of the side frame 17.

[0034] Please refer to Figure 1 The stand column 18 is fixedly connected with the first workbench 1 and the second workbench 2, and the first transmission roller 20 and the second transmission roller 21 are both rotationally connected with the stand column 18. The first transmission roller 20 and the second transmission roller 21 are used for guiding the flow of the plastic film.

[0035] Please refer to Figure 1 The ultrasonic wave generator 33 is fixedly connected with the second workbench 2, and the first driving motor 26 is fixedly connected with the top plate 25.

[0036] Please refer to Figure 1 and Figure 3 The double-head screw rod 27 is fixedly connected with the output end of the first driving motor 26. The first driving motor 26 is used for controlling the rotation of the double-head screw rod 27.

[0037] Please refer to Figure 1 The lower end of the stand column 18 is provided with the bottom plate 19, and the bottom plate 19 is fixedly connected with the stand column 18. The bottom plate 19 is used for fixing the stand column 18.

[0038] The scheme: the packaging machine pulls the main plastic film 34, so that the main plastic film 34 outside the first main transmission roller 6 is pulled, the first main transmission roller 6, the second main transmission roller 7, the third main transmission roller 8 and the fourth main transmission roller 9 rotate, when the main plastic film 34 is used up, the first main transmission roller 6 stops rotating, the first angle sensor 5 detects that the first main transmission roller 6 stops and controls the electric telescopic rod 16 on one side of the fourth auxiliary transmission roller 14 to start pushing the side frame 17 to move, so as to push the auxiliary plastic film 35 outside the fourth auxiliary transmission roller 14 to be fixedly attached to the main plastic film 34 outside the fourth main transmission roller 9 through the double-sided adhesive tape 36. The auxiliary plastic film 35 moves with the movement of the main plastic film 34. The movement of the auxiliary plastic film 35 and the main plastic film 34 is observed. When the combined part of the auxiliary plastic film 35 and the main plastic film 34 enters the lower end of the ultrasonic welding head 29, the first driving motor 26 and the ultrasonic welding head 29 are started. The rotation of the double-head screw rod 27 makes the ultrasonic welding head 29 and the bottom block 32 move towards the middle under the cooperation of the threads and the sliding connection of the sliding rod 28, so as to clamp the plastic film. The ultrasonic welding makes the main plastic film 34 and the auxiliary plastic film 35 complete the film connection work. At the same time, under the clamping action and the sliding connection of the sliding frame 24 and the sliding rail 23, the welding structure moves together with the plastic film. After welding, the first driving motor 26 drives the double-head screw rod 27 to reverse to release the plastic film.

[0039] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0040] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A film splicing machine for a plastic film packaging line, characterized in that include: A first workbench (1) and a second workbench (2), wherein the first workbench (1) is located to the left of the second workbench (2); The first back plate (3) is fixedly installed at the upper rear of the first workbench (1). A first angle sensor (5) is provided on the upper front side of the first back plate (3). A first main drive roller (6) is provided on the upper end of the first back plate (3) outside the first angle sensor (5). The first main drive roller (6) is rotatably connected to the first back plate (3). A second main drive roller (7) is rotatably installed at the middle part of the front end of the first back plate (3). A third main drive roller (8) is rotatably installed at the lower part of the front end of the first back plate (3). The second back plate (4) is fixedly installed at the upper rear of the second workbench (2). A second angle sensor (10) is provided on the upper front side of the second back plate (4). A first auxiliary transmission roller (11) is provided on the upper end of the second back plate (4) outside the second angle sensor (10). The first auxiliary transmission roller (11) is rotatably connected to the second back plate (4). A second auxiliary transmission roller (12) is rotatably installed at the middle part of the front end of the second back plate (4). A third auxiliary transmission roller (13) is rotatably installed at the lower part of the front end of the second back plate (4). A side cavity (15) is provided at the adjacent ends of the first workbench (1) and the second workbench (2). An electric telescopic rod (16) is installed inside the side cavity (15). A side frame (17) is installed outside the electric telescopic rod (16). A fourth main drive roller (9) is installed inside the side frame (17) inside the first workbench (1). A fourth auxiliary drive roller (14) is installed inside the side frame (17) inside the second workbench (2). The first workbench (1) and the second workbench (2) are each provided with a column (18) at the four corners of the lower end. The first transmission roller (20) is provided on the lower left side of the second workbench (2), and the second transmission roller (21) is provided on the lower right side of the second workbench (2). A crossbeam (22) is set on both sides of the lower end of the second workbench (2), and the crossbeam (22) is fixedly connected to the column (18). A slide rail (23) is fixedly set inside the crossbeam (22), and a slide frame (24) is slidably installed on the outside of the slide rail (23). A top plate (25) is fixedly set at the lower end of the slide frame (24). An ultrasonic transducer (31), an amplitude transformer (30) and an ultrasonic welding head (29) are fixedly installed from top to bottom in the middle part of the lower end of the top plate (25). An ultrasonic generator (33) is set on one side of the lower end of the second workbench (2). A slide rod (28) is fixedly set on the rear side of the lower end of the top plate (25). The ultrasonic welding head (29) is slidably connected to the slide rod (28). A bottom block (32) is set at intervals on the outside of the slide rod (28) below the ultrasonic welding head (29), and the bottom block (32) is slidably connected to the slide rod (28). A first driving motor (26) is arranged at the lower end of the top plate (25), and a double-end screw rod (27) is mounted on the output end of the first driving motor (26), and the ultrasonic welding head (29) and the bottom block (32) are connected with the double-end screw rod (27) through thread cooperation.

2. The film splicer for a plastic film packaging line according to claim 1, characterized by: The side frame (17) is fixedly connected with the electric telescopic rod (16), and the fourth main transmission roller (9) and the fourth auxiliary transmission roller (14) are rotationally connected with the side frame (17).

3. The film splicer for a plastic film packaging line according to claim 1, characterized by: The stand column (18) is fixedly connected with the first workbench (1) and the second workbench (2), and the first transmission roller (20) and the second transmission roller (21) are rotationally connected with the stand column (18).

4. The film splicer for a plastic film packaging line according to claim 1, characterized by: The ultrasonic generator (33) is fixedly connected with the second workbench (2), and the first driving motor (26) is fixedly connected with the top plate (25).

5. The film splicer for a plastic film packaging line according to claim 1, characterized by: The double-end screw rod (27) is fixedly connected with the output end of the first driving motor (26).

6. The film splicer for a plastic film packaging line according to claim 1, characterized by: The lower end of the stand column (18) is provided with a bottom plate (19), and the bottom plate (19) is fixedly connected with the stand column (18).