Positioning and cutting device for woven bag production

Abstract

The utility model belongs to the technical field of woven bag production, and particularly relates to a positioning cutting device for woven bag production, which comprises a base station, a transmission belt is mounted on the upper side of the base station, an adjusting frame is fixedly connected to the front end of the upper side of the base station, and first telescopic rods are symmetrically connected to the top wall of the inner periphery of the adjusting frame. The telescopic ends of the first telescopic rods are fixedly connected with adjusting plates, the lower sides of the adjusting plates are symmetrically connected with first mounting plates, and the opposite sides of the two first mounting plates are rotationally connected with flattening rollers, so that the problem that in production, due to the lack of guiding and positioning devices, woven bag fabric is prone to deviation and inclination is solved, and the production efficiency is improved. Produced products are unqualified, and efficiency is low. The problems that woven bags deviate or even cannot be cut off during cutting, burrs of cut finished products are heavy, and the cutting quality is low due to the fact that the woven bag fabric is insufficient in flatness and low in pressing degree during cutting are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of woven bag production, in particular to a positioning and cutting device for woven bag production. Background Art

[0002] Woven bags, also known as snakeskin bags, are a type of plastic bag used for packaging. Their raw materials are generally various chemical plastic raw materials such as polyethylene and polypropylene. When woven bags are produced, the raw materials must first be cut into woven bag sizes through a positioning cutting device, and then the cut woven bag raw materials can be sewn into plastic woven bags using a sewing device.

[0003] During production, the existing device has the problem that the woven bag fabrics are of different sizes and lack of guiding and positioning devices, so the woven bag fabrics are prone to deviation and tilt, resulting in unqualified products and low efficiency. When cutting the woven bag fabrics, the woven bag fabrics are not flat enough and the woven bag fabrics are simply transported by a conveyor belt, which has a low degree of compression on the woven bag fabrics, which can easily cause the woven bag to deviate or even be unable to be cut during cutting. The finished product has heavy burrs and low cutting quality. Utility Model Content

[0004] The purpose of the utility model is to provide a positioning and cutting device for woven bag production, so as to solve the problems raised in the above background technology that during production, due to the lack of guiding and positioning devices, the woven bag fabric is prone to deviation and tilt, resulting in unqualified products and low efficiency; the woven bag fabric is not flat enough, and the degree of compression of the woven bag fabric during cutting is low, which easily leads to deviation or even inability to cut during cutting, and the finished product has heavy burrs and low cutting quality.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a positioning and cutting device for woven bag production, comprising a base, a transmission belt is installed on the upper side of the base, an adjustment frame is fixedly connected to the front end of the upper side of the base, a first telescopic rod is symmetrically connected to the top wall of the inner periphery of the adjustment frame, an adjustment plate is fixedly connected to the telescopic end of the first telescopic rod, a first mounting plate is symmetrically connected to the lower side of the adjustment plate, flattening rollers are rotatably connected to the opposite sides of the two first mounting plates, and a second mounting plate is symmetrically connected to the front side of the adjustment plate and the first mounting plate. The plate, the two opposite sides of the second mounting plates are rotatably connected with a bidirectional screw rod, the outer sides of the bidirectional screw rod are symmetrically screwed with a sliding plate, the lower side of the sliding plate is fixedly connected with a C-shaped limiting piece, the upper side of the base is fixedly connected with a cutting frame, the upper side of the cutting frame is fixedly connected with an electric push rod, the telescopic end of the electric push rod is fixedly connected with a cutting pressure plate, the lower side of the cutting pressure plate is centrally connected with a cutting knife, the lower four corners of the cutting pressure plate are fixedly connected with a second telescopic rod, and the telescopic ends of the second telescopic rod at the front and rear ends are fixedly connected with rubber pressure holding plates.

[0006] Preferably, the left and right walls of the inner periphery of the adjustment frame are provided with a first sliding groove, the left and right sides of the adjustment plate are fixedly connected with a first slider, the left and right walls of the inner periphery of the cutting frame are provided with a second sliding groove, the left and right sides of the cutting pressure plate are fixedly connected with a second slider, the first slider corresponds to the first sliding groove, and the second sliding groove corresponds to the second slider.

[0007] Preferably, a motor is fixedly mounted on the right side of the second mounting plate at the right end, and the output end of the motor is fixedly connected to the right end of the bidirectional screw rod.

[0008] Preferably, a guide groove is provided on the front side of the adjustment plate, a guide slider is fixedly connected to the rear side of the sliding plate, and the guide groove corresponds to the guide slider.

[0009] Preferably, a first spring is sleeved on the outer side of the first telescopic rod, and a second spring is sleeved on the outer side of the second telescopic rod.

[0010] Preferably, a clearance groove is provided on the upper side of the base, and the clearance groove corresponds to the cutting knife.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1) The C-shaped limiter is provided to guide and position the woven bag fabric according to the size of the woven bag fabric, so that the two C-shaped limiters clamp the woven bag fabric and limit it to the inner periphery of the C-shaped limiter, thereby preventing the woven bag fabric from tilting during transmission and improving efficiency.

[0013] 2) The first spring and the flattening roller are provided to adaptively adjust and press the woven bag fabric according to the thickness of the woven bag fabric, and the bent part of the woven bag is flattened. The second spring and the rubber pressing plate are provided to adaptively adjust and press the two ends of the woven bag fabric, so that the woven bag fabric is more tightly pressed, the flatness and tightness of the woven bag fabric are higher, and the cutting effect is better. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the structure of the utility model;

[0015] Figure 2 for Figure 1 A magnified schematic diagram of the structure in the middle;

[0016] Figure 3 Schematic diagram of the base structure;

[0017] Figure 4 Schematic diagram of the cutting frame structure.

[0018] In the figure: 1. base, 2. transmission belt, 3. adjustment frame, 4. first telescopic rod, 5. adjustment plate, 6. first mounting plate, 7. flattening roller, 8. second mounting plate, 9. bidirectional screw, 10. sliding plate, 11. C-shaped limiter, 12. cutting frame, 13. electric push rod, 14. cutting pressure plate, 15. cutting knife, 16. second telescopic rod, 17. rubber holding plate, 18. first sliding groove, 19. first slider, 20. second sliding groove, 21. second slider, 22. motor, 23. guide groove, 24. guide slider, 25. first spring, 26. second spring, 27. clearance groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0021] Example:

[0022] See also Figure 1-4The utility model provides a technical solution: a positioning and cutting device for woven bag production, comprising a base 1, a transmission belt 2 is installed on the upper side of the base 1, the transmission belt 2 can transport the woven bag fabric, the front end of the upper side of the base 1 is fixedly connected to the adjustment frame 3, the top wall of the inner circumference of the adjustment frame 3 is symmetrically connected to the first telescopic rod 4, the telescopic end of the first telescopic rod 4 is fixedly connected to the adjustment plate 5, the lower side of the adjustment plate 5 is symmetrically connected to the first mounting plate 6, the opposite sides of the two first mounting plates 6 are rotatably connected to the flattening roller 7, and the first spring 25 and the flattening roller 7 can be arranged according to the surface of the woven bag. The thickness of the material is adaptively adjusted and pressed on the woven bag fabric to flatten the bent part of the woven bag. The adjusting plate 5 is symmetrically connected to the front side of the first mounting plate 6 with a second mounting plate 8. The opposite sides of the two second mounting plates 8 are rotatably connected with a bidirectional screw rod 9. The outer side of the bidirectional screw rod 9 is symmetrically screwed with a sliding plate 10. The lower side of the sliding plate 10 is fixedly connected with a C-shaped limiter 11. The C-shaped limiter 11 can be guided and positioned according to the size of the woven bag fabric, so that the two C-shaped limiters 11 clamp the woven bag fabric and limit it to the inner periphery of the C-shaped limiter 11 to prevent the woven bag fabric from tilting during transmission;

[0023] The upper side of the base 1 is fixedly connected to a cutting frame 12, the upper side of the cutting frame 12 is fixedly connected to an electric push rod 13, the telescopic end of the electric push rod 13 is fixedly connected to a cutting pressure plate 14, the lower side of the cutting pressure plate 14 is centrally connected to a cutting knife 15, the lower four corners of the cutting pressure plate 14 are fixedly connected to a second telescopic rod 16, the telescopic ends of the front and rear end second telescopic rods 16 are fixedly connected to a rubber pressure holding plate 17, and the two ends of the woven bag fabric are adaptively adjusted and pressed by the second spring 26 and the rubber pressure holding plate 17. When the rubber pressure holding plate 17 is pressed against the woven bag fabric, it can have an anti-slip and pressing effect, and the degree of compression of the woven bag fabric is higher.

[0024] Among them, the left and right walls of the inner periphery of the adjusting frame 3 are provided with a first sliding groove 18, the left and right sides of the adjusting plate 5 are fixedly connected to the first slider 19, the left and right walls of the inner periphery of the cutting frame 12 are provided with a second sliding groove 20, the left and right sides of the cutting pressure plate 14 are fixedly connected to the second slider 21, the first slider 19 corresponds to the first sliding groove 18, the second sliding groove 20 corresponds to the second slider 21, the right side of the second mounting plate 8 at the right end is fixedly installed with a motor 22, the output end of the motor 22 is fixedly connected to the right end of the bidirectional screw rod 9, the front side of the adjusting plate 5 is provided with a guide groove 23, the rear side of the sliding plate 10 is fixedly connected with a guide slider 24, the guide groove 23 corresponds to the guide slider 24, the outer side of the first telescopic rod 4 is provided with a first spring 25, the outer side of the second telescopic rod 16 is provided with a second spring 26, and the upper side of the base 1 is provided with a give way groove 27, the give way groove 27 corresponds to the cutting knife 15, and the cutting knife 15 sinks into the give way groove 27 and can complete the cutting operation of the woven bag fabric at the same time.

[0025] Working principle: When in use, the woven bag fabric is transported to a suitable position through the transmission belt 2, and then the motor 22 is started to drive the bidirectional screw 9 to rotate, thereby causing the two sliding plates 10 to move relative to each other, so that the C-shaped limiter 11 is guided and positioned according to the size of the woven bag fabric, so that the two C-shaped limiters 11 clamp the woven bag fabric and limit it to the inner periphery of the C-shaped limiter 11, preventing the woven bag fabric from tilting during transportation;

[0026] When the woven bag fabric moves to the bottom of the flattening roller 7, the first spring 25 and the flattening roller 7 can adaptively adjust and hold the woven bag fabric according to the thickness of the woven bag fabric, flattening the bent part of the woven bag;

[0027] When the woven bag fabric moves to the bottom of the cutting frame 12 and reaches the length required to be cut, the transmission belt 2 is closed and the electric push rod 13 is started, so that the electric push rod 13 pushes the cutting pressure plate 14 to sink, driving the cutting knife 15 to sink into the give way groove 27 and completing the cutting of the woven bag fabric at the same time. When the cutting pressure plate 14 sinks, the second spring 26 and the rubber pressure plate 17 are provided to adaptively adjust and press the two ends of the woven bag fabric, so that the woven bag fabric is pressed more tightly and the cutting effect is better.

[0028] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and the present invention can be implemented in other specific forms without departing from the spirit or basic features of the present invention; therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is limited by the appended claims rather than the above description. Therefore, it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention, and any figure marks in the claims should not be regarded as limiting the claims involved.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning and cutting device for woven bag production, comprising a base (1), characterized in that: A transmission belt (2) is installed on the upper side of the base (1), and an adjustment frame (3) is fixedly connected to the front end of the upper side of the base (1). The top wall of the inner periphery of the adjustment frame (3) is symmetrically connected to a first telescopic rod (4), and the telescopic end of the first telescopic rod (4) is fixedly connected to an adjustment plate (5). The lower side of the adjustment plate (5) is symmetrically connected to a first mounting plate (6), and two opposite sides of the first mounting plates (6) are rotatably connected to flattening rollers (7). The front side of the adjustment plate (5) and the first mounting plate (6) are symmetrically connected to a second mounting plate (8), and the opposite sides of the two second mounting plates (8) are rotatably connected to a bidirectional screw rod (9). A sliding plate (10) is symmetrically screwed to the outside of the screw rod (9), a C-shaped limiting member (11) is fixedly connected to the lower side of the sliding plate (10), a cutting frame (12) is fixedly connected to the upper side of the base (1), an electric push rod (13) is fixedly connected to the upper side of the cutting frame (12), a telescopic end of the electric push rod (13) is fixedly connected to a cutting pressure plate (14), a cutting knife (15) is centrally connected to the lower side of the cutting pressure plate (14), a second telescopic rod (16) is fixedly connected to the four corners of the lower side of the cutting pressure plate (14), and the telescopic ends of the second telescopic rod (16) at the front and rear ends are fixedly connected to rubber pressure holding plates (17).

2. A positioning and cutting device for woven bag production according to claim 1, characterized in that: The left and right walls of the inner periphery of the adjusting frame (3) are both provided with a first sliding groove (18), the left and right sides of the adjusting plate (5) are both fixedly connected with a first sliding block (19), the left and right walls of the inner periphery of the cutting frame (12) are both provided with a second sliding groove (20), the left and right sides of the cutting pressure plate (14) are both fixedly connected with a second sliding block (21), the first sliding block (19) corresponds to the first sliding groove (18), and the second sliding groove (20) corresponds to the second sliding block (21).

3. The positioning and cutting device for woven bag production according to claim 1, characterized in that: A motor (22) is fixedly mounted on the right side of the second mounting plate (8) at the right end, and the output end of the motor (22) is fixedly connected to the right end of the bidirectional screw rod (9).

4. The positioning and cutting device for woven bag production according to claim 1, characterized in that: A guide groove (23) is provided on the front side of the adjustment plate (5), and a guide slider (24) is fixedly connected to the rear side of the sliding plate (10), wherein the guide groove (23) corresponds to the guide slider (24).

5. The positioning and cutting device for woven bag production according to claim 1, characterized in that: The outer side of the first telescopic rod (4) is provided with a first spring (25), and the outer side of the second telescopic rod (16) is provided with a second spring (26).

6. The positioning and cutting device for woven bag production according to claim 1, characterized in that: A clearance groove (27) is provided on the upper side of the base (1), and the clearance groove (27) corresponds to the cutting knife (15).

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