Ironing and cutting device of biodegradable plastic bag making machine

Abstract

The utility model discloses an ironing and cutting device of a biodegradable plastic bag making machine, which comprises a first support frame and a second support frame, the first support frame is arranged on one side of the second support frame, a raw material shaft is arranged above the first support frame, an ironing and cutting assembly is arranged above the second support frame, and a feeding roller is arranged above the ironing and cutting assembly. The feeding roller is arranged on the first supporting frame, a base is arranged below the first supporting frame and the second supporting frame, and supporting legs are arranged below the base. According to the ironing and cutting device of the biodegradable plastic bag making machine, the adjustable upper supporting plate is arranged, biodegradable plastic bags with different thicknesses can be produced, meanwhile, the saw-shaped tooth cutters can achieve processing of point-breaking type plastic bags and processing of single plastic bags, and practicability is better.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic bag making machines, in particular to a hot cutting device for biodegradable plastic bag making machines. Background Art

[0002] A bag making machine is a machine for making various plastic packaging bags or packaging bags made of other materials. Its processing range includes plastic or other material packaging bags of various sizes, thicknesses and specifications. Generally speaking, plastic packaging bags are the main products. With the development of society, more and more manufacturers use biodegradable plastics to make plastic bags. Degradable plastics refer to a type of plastics whose products can meet the use requirements, have unchanged performance during the storage period, and can be degraded into environmentally harmless substances under natural environmental conditions after use. Therefore, they are also called environmentally degradable plastics.

[0003] Existing plastic bag making machines usually include a feeding device, a heat sealing and cutting knife device, etc. The heat sealing and cutting knife device cuts and heat seals the raw material film to process plastic bags that can be used alone. However, when the existing machine cuts and heat seals, it cannot adjust the workbench according to the thickness of the raw material film, and the practicability is poor. Therefore, to solve the above technical problems, this application provides a hot cutting device for an adjustable biodegradable plastic bag making machine. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a hot cutting device for a biodegradable plastic bag making machine. By setting an adjustable upper support plate, biodegradable plastic bags of different thicknesses can be produced. At the same time, the sawtooth cutter can realize the processing of point - broken plastic bags and the processing of single plastic bags, and the practicability is better.

[0005] To achieve the above purpose, the utility model provides a hot cutting device for a biodegradable plastic bag making machine, which includes a first support frame and a second support frame. The first support frame is arranged on one side of the second support frame. An original material shaft is arranged above the first support frame. A hot cutting assembly is arranged above the second support frame. A feeding roller is arranged obliquely above the hot cutting assembly. The feeding roller is arranged on the first support frame. A base is arranged below the first support frame and the second support frame. Support legs are arranged below the base.

[0006] Further, two support plates are oppositely arranged at the top end of the first support frame. One end of the support plate is rotatably arranged with the first support frame. The other end of the support plate is provided with an original material shaft. Both ends of the original material shaft are connected to the ends of the two support plates respectively.

[0007] Further, a feeding roller is arranged below the original material shaft. There are two feeding rollers. A gap is arranged between the two feeding rollers. A first motor for driving the feeding roller is arranged on the side of the first support frame. A tensioning roller is arranged below the feeding roller.

[0008] Furthermore, the hot cutting assembly includes a knife assembly, which is arranged on the lower surface of the horizontal plate, and the two ends of the horizontal plate are connected to the side of the second support plate through a knife holder, and a second motor for driving the knife assembly is arranged above the horizontal plate.

[0009] Furthermore, an upper support plate is arranged below the knife assembly, a lower support plate is arranged below the upper support plate, both ends of the lower support plate are connected to the second support frame, cylinders for driving the upper support plate to move up and down are arranged on both sides of the upper support plate, the cylinders are arranged on the side of the second support plate, a making way groove for making way for the knife holder is arranged on the side of the upper support plate, and a knife groove is arranged on the surface of the upper support plate.

[0010] Furthermore, the knife assembly comprises a cutting knife and a hot pressing knife, the cutting knife and the hot pressing knife are arranged adjacent to each other, and the cutting knife is provided with saw-shaped teeth.

[0011] Therefore, the utility model adopts the hot cutting device of the biodegradable plastic bag making machine of the above structure, and can produce biodegradable plastic bags of different thicknesses by setting an adjustable upper support plate. At the same time, the sawtooth cutter can realize the processing of point-break plastic bags and single plastic bags, which is more practical.

[0012] The technical solution of the utility model is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the hot cutting device of the biodegradable plastic bag making machine of the utility model;

[0014] Figure 2 It is a schematic diagram of a knife assembly of an embodiment of the hot cutting device of a biodegradable plastic bag making machine of the utility model;

[0015] Figure 3 A schematic diagram of a tensioning roller of an embodiment of a hot cutting device of a biodegradable plastic bag making machine of the utility model;

[0016] Figure 4 It is a schematic diagram of an upper support plate of an embodiment of the hot cutting device of the biodegradable plastic bag making machine of the utility model;

[0017] Figure 5 The utility model is a schematic diagram of a cutter of the hot cutting device of the biodegradable plastic bag making machine.

[0018] Reference numerals

[0019] 1. Raw material shaft; 2. Support plate; 3. Feeding roller; 4. First motor; 5. Second motor; 6. Horizontal plate; 7. Tool holder; 8. Tool assembly; 9. Upper support plate; 10. Lower support plate; 11. Base; 12. Support leg; 13. First support frame; 14. Cylinder; 15. Second support frame; 16. Hot pressing tool; 17. Cutting tool; 18. Tensioning roller; 19. Tool groove; 20. Relief groove; 21. Sawtooth Detailed implementation mode

[0020] The technical solution of the present utility model will be further described below with reference to the drawings and embodiments.

[0021] Unless otherwise defined, the technical terms or scientific terms used in the present utility model should have the ordinary meaning understood by those with ordinary skills in the field to which the present utility model belongs. The "first", "second" and similar words used in the present utility model do not represent any order, quantity or importance, but are only used to distinguish different components. Words such as "including" or "comprising" mean that the elements or objects appearing before the word cover the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connected" or "coupled" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Upper", "lower", "left", "right", etc. are only used to represent relative position relationships, and when the absolute position of the object being described changes, the relative position relationship may also change accordingly.

[0022] Embodiment

[0023] As Figure 1 shown, the hot cutting device of the biodegradable plastic bag making machine includes a first support frame 13 and a second support frame 15. The first support frame 13 is arranged on one side of the second support frame 15. A raw material shaft 1 is arranged above the first support frame 13, a hot cutting assembly is arranged above the second support frame 15, and a feeding roller 3 is arranged obliquely above the hot cutting assembly. The feeding roller 3 is arranged on the first support frame 13, and a base 11 is arranged below the first support frame 13 and the second support frame 15, and support legs 12 are arranged below the base 11.

[0024] Two support plates 2 are oppositely arranged at the top end of the first support frame 13. One end of the support plate 2 is rotatably arranged with the first support frame 13, the other end of the support plate 2 is provided with a raw material shaft 1, and both ends of the raw material shaft 1 are connected to the ends of the two support plates 2 respectively. A raw material film is wound on the raw material shaft 1. The bottom of the support plate 2 is hinged to the first support frame 13, and the angle between the raw material shaft 1 and the first support frame 13 can be adjusted by rotating the support plate 2, and the required angle can be adjusted according to actual needs.

[0025] As Figure 1 andFigure 3 As shown, a feed roller 3 is arranged below the raw material shaft 1, and two feed rollers 3 are arranged, and a gap is arranged between the two feed rollers 3. A first motor 4 for driving the feed roller 3 is arranged on the side of the first support frame 13, and a tensioning roller 18 is arranged below the feed roller 3. The tensioning roller 18 is arranged below the gap between the two feed rollers 3 to facilitate the conveyance of the raw material film.

[0026] like Figure 2 As shown, the hot cutting assembly includes a knife assembly 8, which is arranged on the lower surface of the horizontal plate 6. The two ends of the horizontal plate 6 are connected to the side of the second support plate 2 through the knife holder 7. A second motor 5 for driving the knife assembly 8 is arranged above the horizontal plate 6. An upper support plate 9 is arranged below the knife assembly 8, and a lower support plate 10 is arranged below the upper support plate 9. The two ends of the lower support plate 10 are connected to the second support holder 15. The upper support plate 9 is provided with a cylinder 14 on both sides to drive it to move up and down. The cylinder 14 is arranged on the side of the second support plate 2.

[0027] like Figure 4 As shown, the upper support plate 9 is provided with a clearance groove 20 for making way for the knife holder 7, and the surface of the upper support plate 9 is provided with a knife groove 19. The cylinder 14 can drive the upper support plate 9 to move up and down, thereby adjusting the distance between the upper support plate 9 and the lower support plate 10, so as to adapt to raw material films of different thicknesses and improve practicality. The second motor 5 drives the knife assembly 8 to move to hot-cut the raw material film.

[0028] like Figure 2 and Figure 5 As shown, the knife assembly 8 includes a cutter 17 and a hot pressing knife 16, which are arranged adjacent to each other. The cutter 17 is provided with serrated teeth 21, and the cutter 17 is used for cutting, while the hot pressing knife 16 is used for sealing. The cutter 17 with serrated teeth 21 is adapted to the knife groove 19. When it is necessary to process a point-break plastic bag, the motor drives the cutter 17 to perform point-break processing on the raw material film. When it is necessary to process a single plastic bag, the motor drives the cutter 17 to pass through the knife groove 19, penetrate the raw material film, and cut the raw material film.

[0029] When in use, the raw material film on the raw material shaft 1 passes through the gap between the two feeding rollers 3 and is tensioned by the tensioning roller 18, and then the raw material film enters between the upper support plate 9 and the lower support plate 10. The distance between the upper support plate 9 and the lower support plate 10 is adjusted as needed, and then the second motor 5 drives the cutter 17 and the hot pressing knife 16 to heat and cut the raw material film. According to actual needs, point breaking or cutting is selected, and the processed plastic bags are sorted and unloaded.

[0030] Therefore, the hot cutting device of the biodegradable plastic bag making machine with the above structure is adopted in the present utility model. By setting an adjustable upper support plate, biodegradable plastic bags with different thicknesses can be produced. At the same time, the saw-tooth cutter can realize the processing of point-breaking plastic bags and the processing of single plastic bags, and the practicability is better.

[0031] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model and are not intended to limit them. Although the present utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that they can still modify or equivalently replace the technical solutions of the present utility model, and these modifications or equivalent replacements cannot make the modified technical solutions deviate from the spirit and scope of the technical solutions of the present utility model.

Claims

1. The hot cutting device of the biodegradable plastic bag making machine is characterized by: It includes a first support frame and a second support frame, the first support frame is arranged on one side of the second support frame, a raw material shaft is arranged above the first support frame, a hot cutting component is arranged above the second support frame, a feed roller is arranged obliquely above the hot cutting component, the feed roller is arranged on the first support frame, a base is arranged below the first support frame and the second support frame, and support legs are arranged below the base.

2. The hot cutting device of the biodegradable plastic bag making machine according to claim 1 is characterized in that: Two support plates are arranged opposite to each other at the top of the first support frame, one end of the support plate is rotatably arranged with the first support frame, and the other end of the support plate is provided with a raw material shaft, and both ends of the raw material shaft are respectively connected to the ends of the two support plates.

3. The hot cutting device of the biodegradable plastic bag making machine according to claim 2 is characterized in that: A feeding roller is arranged below the raw material shaft, two feeding rollers are arranged, a gap is arranged between the two feeding rollers, a first motor for driving the feeding roller is arranged on the side of the first support frame, and a tensioning roller is arranged below the feeding roller.

4. The hot cutting device of the biodegradable plastic bag making machine according to claim 1, characterized in that: The hot cutting assembly includes a knife assembly, which is arranged on the lower surface of the horizontal plate. The two ends of the horizontal plate are connected to the side of the second support plate through a knife holder. A second motor for driving the knife assembly is arranged above the horizontal plate.

5. The hot cutting device of the biodegradable plastic bag making machine according to claim 4, characterized in that: An upper support plate is arranged below the knife assembly, a lower support plate is arranged below the upper support plate, both ends of the lower support plate are connected to the second support frame, cylinders for driving the upper support plate to move up and down are arranged on both sides of the upper support plate, the cylinders are arranged on the side of the second support plate, a making way groove for making way for the knife holder is arranged on the side of the upper support plate, and a knife groove is arranged on the surface of the upper support plate.

6. The hot cutting device of the biodegradable plastic bag making machine according to claim 4, characterized in that: The knife assembly comprises a cutting knife and a hot pressing knife. The cutting knife and the hot pressing knife are arranged adjacent to each other, and the cutting knife is provided with saw-shaped teeth.

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