Film cutting mechanism for packaging bag manufacturing

Abstract

The utility model relates to the technical field of packaging bag processing, in particular to a film cutting mechanism for packaging bag manufacturing, which comprises a film cutting machine main body, a vertical beam, a lower knife rest, a sliding block, an upper knife rest, a cross beam, a motor, a connecting shaft, a turntable, a positioning rod, a connecting rod, a connecting seat and a sliding seat, the vertical beams are installed on the front side and the rear side of one end of the film cutting machine body, and the vertical beams are fixedly connected with the film cutting machine body through bolts. The lower tool rest is fixedly mounted on the inner wall of the bottom of the vertical beam through a bolt; the sliding blocks are installed on the inner walls of the upper portions of the vertical beams, and the sliding blocks are connected with the vertical beams in an inserted mode. The upper knife rest is mounted on one side of the sliding block, and the upper knife rest is fixedly connected with the sliding block through a bolt; by improving the film cutting mechanism for packaging bag manufacturing, the film cutting mechanism has the advantages of being reasonable in structural design, high in cutting efficiency and smooth and stable in device operation, and therefore the problems and defects in the prior art and equipment are effectively solved.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging bag processing, and more specifically, to a film cutting mechanism for making packaging bags. Background Art

[0002] Packaging bags refer to bags used to package various supplies, which make it convenient to transport and store goods during the production and circulation process. Packaging bags are widely used in daily life and industrial production. Packaging bags are transported to garbage dumps for treatment like general garbage, and only a small amount of plastic is recycled.

[0003] The existing packaging bag making and film cutting mechanisms mostly use pneumatic or threaded rotation to achieve the up and down reciprocating motion of the upper knife holder when cutting the packaging bags. For example, patent number CN 217047689 U discloses a packaging bag film cutting device, which drives the screw at the middle position of the synchronous wheel to rotate through a synchronous belt, thereby driving the cutting knife to reciprocate up and down to cut the packaging bag. The threaded rotation method will result in low cutting efficiency and poor operating stability of the device. Therefore, we propose an improved packaging bag making and film cutting mechanism.

[0004] In view of this, the existing problems are studied and improved, and a film cutting 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 cutting mechanism for making packaging bags, so as 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 packaging bag production film cutting mechanism, which is achieved by the following specific technical means:

[0007] A film cutting mechanism for making packaging bags, comprising: a film cutting machine body, a vertical beam, a lower knife holder, a slider, an upper knife holder, a cross beam, a motor, a coupling shaft, a turntable, a positioning rod, a connecting rod, a connecting seat, and a sliding seat; the vertical beam is installed on the front and rear sides of one end of the film cutting machine body, and the vertical beam is fixedly connected to the film cutting machine body by bolts; the lower knife holder is fixedly installed on the inner wall at the bottom of the vertical beam by bolts; the slider is installed on the inner wall of the upper part of the vertical beam, and the slider is plug-connected to the vertical beam; the upper knife holder is installed on one side of the slider, and the upper knife holder is fixedly connected to the slider by bolts; the cross beam is installed on the top of the vertical beam end, and the crossbeam and the vertical beam are fixedly connected by bolts; the motor is fixedly installed at the middle position of the top end of the crossbeam through a motor seat; the coupling is fixedly installed at the output end of the motor through a coupling; the turntable is installed at the middle position of one end of the coupling through a key plug-in; the positioning rod is installed on one side of the turntable, and the positioning rod is connected to the turntable by threaded rotation; the connecting rod is installed on one side of the positioning rod, and the connecting rod is hingedly connected to the positioning rod; the connecting seat is hingedly installed at one end of the connecting rod; the sliding seat is welded and installed at the bottom of the connecting seat, and the sliding seat is welded and connected to the top of the upper tool holder.

[0008] As a further optimization of the technical solution, the motor of the film cutting mechanism for making packaging bags of the utility model is a double-shaft motor, and two rotating disks are installed at both ends of the motor through a connecting shaft.

[0009] As a further optimization of the technical solution, in the utility model, a packaging bag making and film cutting mechanism is provided, on the outer wall of the turntable away from the central axis of the turntable, a positioning rod is installed by threaded rotation, and one end of the positioning rod is hingedly connected to the connecting rod to form a rotating device.

[0010] As a further optimization of the technical solution, the connecting seat of the packaging bag making and film cutting mechanism of the utility model has an appearance of the English letter "U"-shaped structure, and the inner wall of the connecting seat is hingedly connected to one end of the connecting rod through a hinge, and the bottom of the connecting seat is welded to the sliding seat to form an integrated structure.

[0011] As a further optimization of the technical solution, a packaging bag making and film cutting mechanism of the utility model has a groove with a cross-sectional appearance in the shape of the English letter "T" on the inner wall of the upper part of the vertical beam, and the upper tool holder is installed in the groove through sliders on both sides as a sliding device.

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

[0013] 1. The motor of the utility model is a double-axis motor, and two turntables are installed at both ends of the motor through a coupling plug-in. A positioning rod is installed on the outer wall of the turntable away from the central axis of the turntable by means of threaded rotation, and one end of the positioning rod is hingedly connected to the connecting rod to form a rotating device. The connecting seat is a structure in the shape of the English letter "U", and the inner wall of the connecting seat is hingedly connected to one end of the connecting rod through a hinge, and the bottom of the connecting seat is welded to the sliding seat to form an integrated structure. The motor drives the turntables at both ends to rotate, and the positioning rod on one side of the outer wall of the turntable drives the connecting rod to rotate, so that the connecting rod drives the sliding seat at the bottom of the connecting seat to slide up and down along the inner wall of the beam, so that the force on the upper knife holder is more uniform when it moves downward, thereby improving the cutting efficiency and the cutting effect on the packaging bag film.

[0014] 2. A groove with a cross-section in the shape of the English letter "T" is provided on the inner wall of the upper part of the vertical beam of the utility model, and the upper tool holder is installed in the groove by inserting sliders on both sides. It is a sliding device. The upper tool holder is installed on the inner wall of the upper part of the vertical beam by inserting sliders on both sides. The positioning and guiding function of the "T"-shaped groove on the upper part of the vertical beam makes the upper tool holder move up and down more smoothly and stably.

[0015] 3. The utility model improves a film cutting mechanism for making packaging bags, and has the advantages of reasonable structural design, high cutting efficiency, and smooth and stable operation of the device, 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 This is a schematic diagram of the explosion structure at the vertical beam of the utility model;

[0021] Figure 5 For the utility model Figure 4 Enlarged structural diagram at A in the middle.

[0022] In the figure: film cutting machine body 1, vertical beam 2, lower knife holder 3, slide block 4, upper knife holder 5, cross beam 6, motor 7, connecting shaft 8, turntable 9, positioning rod 10, connecting rod 11, connecting seat 12, slide seat 13 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 Figures 1 to 5 The utility model provides a specific technical implementation scheme of a film cutting mechanism for packaging bag production:

[0025] A film cutting mechanism for making packaging bags, comprising: a film cutting machine body 1, a vertical beam 2, a lower knife holder 3, a slider 4, an upper knife holder 5, a crossbeam 6, a motor 7, a connecting shaft 8, a turntable 9, a positioning rod 10, a connecting rod 11, a connecting seat 12, and a sliding seat 13; the vertical beam 2 is installed on the front and rear sides of one end of the film cutting machine body 1, and the vertical beam 2 is fixedly connected to the film cutting machine body 1 by bolts; the lower knife holder 3 is fixedly installed on the inner wall at the bottom of the vertical beam 2 by bolts; the slider 4 is installed on the inner wall of the upper part of the vertical beam 2, and the slider 4 is plug-connected with the vertical beam 2; the upper knife holder 5 is installed on one side of the slider 4, and the upper knife holder 5 is fixedly connected to the slider 4 by bolts; the crossbeam 6 is installed on the vertical beam 2 The top of the crossbeam 6 is fixedly connected with the vertical beam 2 by bolts; the motor 7 is fixedly installed at the middle position of the top of the crossbeam 6 through the motor seat; the connecting shaft 8 is fixedly installed at the output end of the motor 7 through the coupling; the turntable 9 is installed at the middle position of one end of the connecting shaft 8 by key insertion; the positioning rod 10 is installed on one side of the turntable 9, and the positioning rod 10 is connected to the turntable 9 by threaded rotation; the connecting rod 11 is installed on one side of the positioning rod 10, and the connecting rod 11 is hingedly connected to the positioning rod 10; the connecting seat 12 is hingedly installed at one end of the connecting rod 11; the sliding seat 13 is welded and installed at the bottom of the connecting seat 12, and the sliding seat 13 is welded and connected to the top of the upper tool holder 5.

[0026] Working principle:

[0027] During use, when the packaging bag film passes through the lower tool holder 3, the motor 7 is started, and the motor 7 drives the turntables 9 at both ends to rotate. The positioning rod 10 on one side of the outer wall of the turntable 9 drives the connecting rod 11 to rotate, so that the connecting rod 11 drives the sliding seat 13 at the bottom of the connecting seat 12 to slide up and down along the inner wall of the cross beam 6, and the upper tool holder 5 is installed on the inner wall of the upper part of the vertical beam 2 through the sliders 4 on both sides. Through the positioning and guiding effect of the "T"-shaped groove on the upper part of the vertical beam 2, the upper tool holder 5 can move up and down more smoothly and stably.

[0028] In summary: this kind of packaging bag making and film cutting mechanism, the motor is a double-axis motor, and two turntables are installed at both ends of the motor through a connecting shaft, a positioning rod is installed on the outer wall of the turntable away from the central axis of the turntable by a threaded rotation, and one end of the positioning rod is hingedly connected to the connecting rod to form a rotating device, the connecting seat is a structure with an appearance of the English letter "U" shape, and the inner wall of the connecting seat is hingedly connected to one end of the connecting rod by a hinge, and the bottom of the connecting seat is welded to the sliding seat to form an integrated structure. The motor drives the turntables at both ends to rotate, and the positioning rod on one side of the outer wall of the turntable drives the connecting rod to rotate, so that the connecting rod drives the sliding seat at the bottom of the connecting seat to slide up and down along the inner wall of the beam, so that the upper knife holder moves downward. The force is more evenly distributed during movement, which improves the cutting efficiency and the cutting effect on the packaging bag film; a groove with a cross-section in the shape of the English letter "T" is opened on the inner wall of the upper part of the vertical beam, and the upper knife holder is installed in the groove through the sliders on both sides, which is a sliding device. The upper knife holder is installed on the inner wall of the upper part of the vertical beam through the sliders on both sides. The positioning and guiding effect of the "T"-shaped groove on the upper part of the vertical beam makes the upper knife holder smoother and more stable when moving up and down; through the improvement of a packaging bag making film cutting mechanism, it has the advantages of reasonable structural design, high cutting efficiency, and smooth and stable operation of the device, thereby effectively solving the problems and shortcomings in the existing technology and equipment.

[0029] 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 packaging bag making and film cutting mechanism, comprising: The film cutting machine body (1), the vertical beam (2), the lower tool holder (3), the slider (4), the upper tool holder (5), the cross beam (6), the motor (7), the connecting shaft (8), the rotating disk (9), the positioning rod (10), the connecting rod (11), the connecting seat (12), and the sliding seat (13); characterized in that: the vertical beam (2) is mounted on the front and rear sides of one end of the film cutting machine body (1), and the vertical beam (2) and the film cutting machine body (1) are fixedly connected by bolts; the lower tool holder (3) is fixedly mounted on the inner wall of the bottom of the vertical beam (2) by bolts; the slider (4) is mounted on the inner wall of the upper part of the vertical beam (2), and the slider (4) and the vertical beam (2) are plug-connected; the upper tool holder (5) is mounted on one side of the slider (4), and the upper tool holder (5) and the slider (4) are fixedly connected by bolts; the cross beam (6) is mounted on the vertical beam (2) The top of the rotating disk (9) is fixedly mounted on the top of the rotating disk (9), and the crossbeam (6) and the vertical beam (2) are fixedly connected by bolts; the motor (7) is fixedly mounted at the middle position of the top of the crossbeam (6) through a motor seat; the connecting shaft (8) is fixedly mounted at the output end of the motor (7) through a coupling; the rotating disk (9) is installed at the middle position of one end of the connecting shaft (8) through a key plug; the positioning rod (10) is installed on one side of the rotating disk (9), and the positioning rod (10) and the rotating disk (9) are connected by a threaded rotation; the connecting rod (11) is installed on one side of the positioning rod (10), and the connecting rod (11) and the positioning rod (10) are hingedly connected; the connecting seat (12) is hingedly mounted on one end of the connecting rod (11); the sliding seat (13) is welded to the bottom of the connecting seat (12), and the sliding seat (13) is welded to the top of the upper tool holder (5).

2. A packaging bag making and film cutting mechanism according to claim 1, characterized in that: The motor (7) is a double-shaft motor, and two rotating disks (9) are installed at both ends of the motor (7) via connecting shafts (8).

3. The film cutting mechanism for making packaging bags according to claim 1, characterized in that: A positioning rod (10) is installed on the outer wall of the rotating disk (9) away from the central axis of the rotating disk (9) by means of a threaded rotation, and one end of the positioning rod (10) is hingedly connected to a connecting rod (11) to form a rotating device.

4. The film cutting mechanism for making packaging bags according to claim 1, characterized in that: The connecting seat (12) is a structure in the shape of the English letter "U", and the inner wall of the connecting seat (12) is hingedly connected to one end of the connecting rod (11) via a hinge, and the bottom of the connecting seat (12) is welded to the sliding seat (13) to form an integrated structure.

5. The packaging bag making and film cutting mechanism according to claim 1, characterized in that: A groove having a cross-sectional appearance in the shape of the English letter "T" is provided on the inner wall of the upper portion of the vertical beam (2), and the upper tool holder (5) is installed in the groove by inserting sliders (4) on both sides to form a sliding device.

Images