Packaging bag edge cutting equipment

By employing guide rails and cutting devices in the packaging bag edge-cutting equipment, and using counterweights to automatically adjust the cutting position, the adaptability problem of double-layer film edge-cutting is solved, improving work efficiency and product quality, and reducing the labor intensity of operators and the wear and tear on the equipment.

CN223573241UActive Publication Date: 2025-11-21LAIYANG JINCHI PACKAGING CO LTD
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Patent Information

Application Number
CN202423059394.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-11
Publication Date
2025-11-21
Estimated Expiration
2034-12-11

AI Technical Summary

Technical Problem

Existing technologies are not applicable to the cutting of double-layer films and cannot automatically adjust the cutting device to adapt to changes in film width, which affects the quality of the formed film and work efficiency.

Method used

Design a packaging bag edge cutting device, which adopts a guide rail and a cutting device. The cutting device includes a moving part and a cutting part. The cutting part consists of first and second blades. By cooperating with the first blade, the cutting position is automatically adjusted to adapt to different film widths and realize the edge cutting of double-layer film.

Benefits of technology

It enables automatic adjustment of the cutting position, improving work efficiency and product quality, while reducing the labor intensity of operators and the frictional wear of the equipment.

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Abstract

The utility model relates to packaging bag edge cutting equipment, which belongs to the technical field of edge cutting packaging and is characterized in that an edge cutting structure is arranged and comprises a guide rail and a cutting device on the guide rail, and the cutting device comprises a moving part and a cutting part arranged on the moving part. The cutting part comprises a first blade and a second blade fixed to the back of the first blade, a connecting rope is fixedly connected to the moving part, a balancing weight is arranged at the tail end of the connecting rope, and the back of the first blade is matched with the gravity of the balancing weight so that the first blade can abut against the inner wall of the side line of the to-be-cut double-layer plastic film all the time. The cutting position can be automatically adjusted to adapt to cutting of double-layer plastic films with different widths, and the working efficiency and the product quality are improved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of edge splitting packaging, in particular to a packaging bag edge splitting equipment. BACKGROUND

[0002] At present, many products need to be packaged and protected, and the packaging work can be completed by packaging machinery or manually. However, for products such as long pipes and plates, it is difficult to put the products into the prepared and formed packaging bags or woven bags, and it is necessary to additionally prepare customized packaging bags. In the process of manufacturing the packaging bags, the packaging bags need to be edge split. At present, the most widely used method is manual edge splitting, which consumes manpower and resources.

[0003] A patent with publication number CN116253027A in the prior art discloses an edge splitting packaging mechanism, which comprises a mounting bracket, an edge splitting roller assembly and an edge splitting blade. The edge splitting roller assembly comprises an outer cylinder, a driving motor and a central shaft. The outer cylinder is provided with a feeding window and a discharging window on the surface. The central shaft is rotatably installed in the inner part of the outer cylinder. The driving motor is fixedly arranged at the end of the outer cylinder and drives the central shaft to rotate. The edge splitting blade comprises a movable blade and a fixed blade. The movable blade is fixedly installed on the central shaft. The fixed blade is fixedly installed on the outer cylinder and is arranged at the lower edge of the feeding window.

[0004] For the related technology in the above, it cannot be applied to the working environment where the double-layer film needs to be split. At the same time, due to the difference in the width of the formed film during the production of the packaging bag, the automatic adjustment of the position of the cutting device will affect the quality of the formed film and the working efficiency. CONTENT OF THE UTILITY MODEL

[0005] In order to solve the problem that the cutting device cannot change the cutting position according to the change of the film width, the present application provides a packaging bag edge splitting equipment.

[0006] The present application provides a packaging bag edge splitting equipment, which adopts the following technical scheme:

[0007] A packaging bag edge splitting equipment, which comprises a rack, a feeding guide roller, a material collecting roller driven by a motor and an edge splitting mechanism. The feeding guide roller and the material collecting roller are respectively arranged at the upper and lower ends of the inner side of the rack. The edge splitting mechanism is arranged between the feeding guide roller and the material collecting roller and directly above the material collecting roller. The edge splitting mechanism comprises two groups of parallel arranged guide rails, the two ends of the guide rails are connected with the side walls of the rack, and a cutting device is arranged on the guide rails. The cutting device comprises a moving part and a cutting part. The cutting part is slidably connected to the guide rails through the moving part. The cutting part comprises a first blade fixedly arranged on the moving part with the back of the blade facing outward. A second blade with the cutting edge facing outward is fixedly arranged on one side of the back of the first blade. A connecting rope is fixedly arranged on the moving part, and a counterweight is arranged at the end of the connecting rope.

[0008] By adopting the technical scheme, in operation, the edge line of the double-layer plastic film is in a connected state, an operator places the first blade in the double-layer plastic film to be slit, cooperates with the counterweight to make the back of the first blade always abut against the inner wall of the double-layer plastic film at the edge line of the double-layer plastic film, realizes the downward pulling of the plastic film through the rotation of the lower end material collecting roller, moves the double-layer plastic film downward to make the edge line of the double-layer plastic film abut against the cutting edge of the second blade, the second blade cuts the edge line of the double-layer plastic film, and the first blade divides the double-layer plastic film into two single-layer plastic films, thereby completing the slitting of the double-layer plastic film.

[0009] Optionally, the moving part comprises a vehicle body, a plurality of rollers are arranged on both sides of the vehicle body, the vehicle body is in rolling connection with the two sets of guide rails through the rollers, and one end of the vehicle body away from the first blade is fixedly connected with the connecting rope.

[0010] By adopting the technical scheme, the vehicle body cooperates with the guide rails to reduce the friction of the moving part on the guide rails and improve the service life of the device, the rollers are in rolling connection with the guide rails, the moving part is easily pushed to the preset position by an operator, and the labor intensity of the operator is reduced.

[0011] Optionally, the circumferential surface of the roller is concave.

[0012] By adopting the technical scheme, the contact area between the roller and the guide rail is increased, the roller is prevented from derailing, and the stability of the device is improved.

[0013] Optionally, a support beam is arranged on the inner side of the support, a plurality of handles are in sliding connection with the support beam, and a third blade is detachably arranged at the tail end of the handle.

[0014] By adopting the technical scheme, when the double-layer plastic film needs to be cut, an operator can slide the handle to the preset position on the support beam by operating the handle, press the handle to make the third blade on the handle abut against the double-layer plastic film of the feeding guide roller, and cut the double-layer plastic film.

[0015] Optionally, a connecting rod is fixedly arranged at each end of the rack, the connecting rod is arranged perpendicularly to the guide rail, a pulley is in sliding connection with the connecting rod, and the connecting rope is wound around the pulley and downwardly extended by a preset length.

[0016] By adopting the technical scheme, the connecting rod and the pulley are arranged to make the connecting rope not directly contact the edge of the rack, reduce the friction force received by the connecting rope, and improve the service life of the connecting rope.

[0017] Optionally, an anti-collision plate for preventing the vehicle body from colliding with the rack is fixedly arranged on the rack on both sides of the guide rail, and the anti-collision plate is provided with an anti-collision pad.

[0018] By adopting the above technical scheme, the severe collision between the vehicle body and the rack is prevented, and the service life of the parts is improved.

[0019] To sum up, the present application has at least one of the following beneficial technical effects:

[0020] 1. The utility model discloses a cut structure is set up, including guide rail and cutting device on guide rail, the cutting device includes moving part and sets up the cutting piece on moving part, the cutting piece includes first blade and the second blade fixed on the back of first blade blade, the connecting rope is fixedly connected on moving part, and the counterweight is equipped with at the connecting rope end, and through the back of first blade blade and counterweight gravity cooperation with each other, so that first blade always with the inner wall of the edge line of the double -layer plastic film to be cut reaches, realizes the automatic adjustment cutting position to be suitable for the cutting of the double -layer plastic film of different width, improves work efficiency and the quality of product.

[0021] 2. The utility model discloses through setting up the mutual cooperation of vehicle body and guide rail, reduces the friction of moving part to guide rail, improves the service life of device, and the rolling wheel is connected through rolling with guide rail, and it is convenient for operator to push moving part to preset position, reduces the labor intensity of operator. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is the whole structure schematic diagram of the utility model.

[0023] Figure 2 It is the rear view structure schematic diagram of the utility model.

[0024] Figure 3 It is the structure schematic diagram of cutting device of the utility model.

[0025] EXPLANATION OF REFERENCE NUMERALS: 1, rack;2, feed guide roller;3, material receiving roller;4, edge cutting mechanism;41, guide rail;42, cutting device;421, first blade;422, second blade;423, connecting rope;424, counterweight;5, vehicle body;6, rolling wheel;7, support beam;8, handle;9, third blade;10, connecting rod;101, pulley;11, double -layer plastic film. DETAILED DESCRIPTION

[0026] The principles and features of the utility model will be described below in combination with the drawings, and the examples are only used to explain the utility model and are not used to limit the scope of the utility model.

[0027] The application embodiment discloses a packaging bag edge cutting equipment.

[0028] Referring to Figure 1 A packaging bag edge cutting equipment, comprising a rack 1, a feed guide roller 2, a material receiving roller 3 driven by a motor and an edge cutting mechanism 4.

[0029] With reference to Figure 1 , the feeding guide roller 2 and the collecting roller 3 are respectively arranged at the upper and lower ends of the inner side of the frame 1, the edge cutting mechanism 4 is arranged between the feeding guide roller 2 and the collecting roller 3 and directly above the collecting roller 3, the edge cutting mechanism 4 includes two groups of parallelly arranged guide rails 41, the two ends of the guide rail 41 are connected with the side wall of the frame 1, the cutting device 42 is arranged on the guide rail 41, the cutting device 42 includes a moving piece and a cutting piece, the cutting piece is slidably connected on the guide rail 41 through the moving piece, the cutting piece includes a first blade 421 with the blade back outwardly fixed on the moving piece, a second blade 422 with the blade outwardly fixed on the first blade 421, a connecting rope 423 fixed on the moving piece and a counterweight 424 arranged at the end of the connecting rope, in the working process, the edge line of the double-layer plastic film 11 is in the connecting state, the operator places the first blade 421 in the double-layer plastic film 11 to be cut, and cooperates with the counterweight 424 to make the blade back of the first blade 421 always abuts against the inner wall of the double-layer plastic film 11 at the edge line of the double-layer plastic film 11, the plastic film is pulled down by rotating the lower collecting roller 3, the double-layer plastic film 11 moves downward to abut against the second blade 422 at the edge line of the double-layer plastic film 11, and the second blade 422 cuts the edge line of the double-layer plastic film 11, and the first blade 421 divides the double-layer plastic film 11 into two single-layer plastic films, thereby completing the edge cutting of the double-layer plastic film 11.

[0030] With reference to Figure 1 , the connecting rods 10 are fixed at the two ends of the frame 1, the connecting rods 10 are perpendicularly arranged with the guide rails 41, the pulleys 101 are slidably connected on the connecting rods 10, the connecting rope 423 is wound on the pulleys 101 and downwardly extends by a preset length, the connecting rods 10 and the pulleys 101 are arranged to make the connecting rope 423 not directly contact with the edge of the frame 1, thereby reducing the friction force received by the connecting rope 423 and improving the service life of the connecting rope 423, the anti-collision plates are further fixed on the frame 1 at the two sides of the guide rail 41 to prevent the vehicle body 5 from colliding with the frame 1, the anti-collision plates are provided with anti-collision pads to prevent the vehicle body 5 from colliding with the frame 1 violently and improve the service life of the parts.

[0031] With reference to Figure 2 , the support beams 7 are arranged on the inner side of the frame 1, more than two groups of handles 8 are slidably connected on the support beams 7, the third blades 9 are detachably fixed at the ends of the handles 8, when the double-layer plastic film needs to be cut, the operator can slide the handles 8 on the support beams 7 to the preset positions, press the handles 8 to make the third blades 9 on the handles 8 abut against the double-layer plastic film 11 of the feeding guide roller 2, thereby cutting the double-layer plastic film 11.

[0032] With reference to Figure 1 and Figure 3The moving part comprises a vehicle body 5, and a plurality of rollers 6 are arranged on both sides of the vehicle body 5; the circumferential surface of the roller 6 is concave, so as to increase the contact area between the roller 6 and the guide rail 41, ensure that the roller 6 does not derail, and improve the stability of the device; the vehicle body 5 is in rolling connection with the two guide rails 41 through the rollers 6; the vehicle body 5 is fixedly connected with the connecting rope 423 at the end away from the first blade; the vehicle body 5 and the guide rail 41 are matched with each other, so as to reduce the friction of the moving part on the guide rail 41 and improve the service life of the device; the roller 6 and the guide rail 41 are in rolling connection, so as to facilitate the operator to push the moving part to the preset position and reduce the labor intensity of the operator.

[0033] The principle of the embodiment of the application is that: by arranging the split edge structure, the cutting device 42 on the guide rail 41, the cutting device 42 comprises a moving part and a cutting part arranged on the moving part, the cutting part comprises a first blade 421 and a second blade 422 fixedly arranged on the back of the first blade 421, the moving part is fixedly connected with a connecting rope 423, the connecting rope 423 is provided with a counterweight 424 at the end, the first blade 421 is always in abutment with the inner wall at the edge line of the double-layer plastic film 11 to be cut through the cooperation of the back of the first blade 421 and the gravity of the counterweight 424, so as to automatically adjust the cutting position to be suitable for cutting the double-layer plastic film 11 with different widths, improve the work efficiency and the quality of the product.

[0034] The above are the preferred embodiments of the application, and do not limit the protection scope of the application, so that: any equivalent changes made according to the structure, shape, principle of the application should be covered in the protection scope of the application.

Claims

1. A packaging bag edge-cutting device, comprising a frame (1), a feeding guide roller (2), a receiving roller (3) driven by a motor, and an edge-cutting mechanism (4), wherein the feeding guide roller (2) and the receiving roller (3) are respectively disposed at the upper and lower ends of the inner side of the frame (1), and the edge-cutting mechanism (4) is disposed between the feeding guide roller (2) and the receiving roller (3) and directly above the receiving roller (3), characterized in that: The trimming mechanism (4) includes two sets of parallel guide rails (41). The two ends of the guide rails (41) are connected to the side wall of the frame (1). A cutting device (42) is provided on the guide rails (41). The cutting device (42) includes a moving part and a cutting part. The cutting part is slidably connected to the guide rails (41) through the moving part. The cutting part includes a first blade (421) with the back of the blade facing outward, which is fixed on the moving part. A second blade (422) with the blade facing outward is fixed on one side of the back of the first blade (421). A connecting rope (423) is fixed on the moving part, and a counterweight (424) is provided at the end of the connecting rope (423).

2. The packaging bag edge-cutting device according to claim 1, characterized in that: The moving part includes a vehicle body (5), and both sides of the vehicle body (5) are provided with a set of more than one set of rollers (6). The vehicle body (5) is connected to two sets of guide rails (41) by the rollers (6). The end of the vehicle body (5) away from the first blade is fixedly connected to the connecting rope (423).

3. The packaging bag edge-cutting device according to claim 2, characterized in that: The circumferential surface of the roller (6) is concave.

4. The packaging bag edge-cutting device according to claim 1, characterized in that: The frame (1) is provided with a support beam (7) on the inner side. Two or more handles (8) are slidably connected on the support beam (7). A third blade (9) is fixedly provided at the end of the handle (8) in a detachable manner.

5. The packaging bag edge-cutting device according to claim 1, characterized in that: The frame (1) is fixed with connecting rods (10) at both ends. The connecting rods (10) are perpendicular to the guide rail (41). A pulley (101) is slidably connected to the connecting rod (10). The connecting rope (423) is wound around the pulley (101) and extends downward for a preset length.

6. The packaging bag edge-cutting device according to claim 2, characterized in that: The guide rail (41) is fixed with anti-collision plates on the frame (1) on both sides to prevent the vehicle body (5) from colliding with the frame (1), and the anti-collision plates are provided with anti-collision pads.

Citation Information

Patent Citations

  • Edge cutting and packaging mechanism

    CN116253027A