TPU (thermoplastic polyurethane) film waste separating and crushing assembly

Abstract

The utility model discloses a TPU film waste separating and crushing assembly, and belongs to the technical field of TPU recycling. According to the device, the guide rollers are arranged, protective films on the upper side and the lower side of the TUP are guided and separated through the guide rollers, so that separation and recycling of different layers of the TUP are achieved, and the protective films and the TUP films are cut off and smashed through a cut-off tool and a strip cutting tool on the cutting rollers in cooperation with the arrangement of the cutting assembly, so that the protective films and the TUP films can be rapidly molten and utilized again after being recycled; the strip cutter and the cut-off cutter are arranged on the surface of the cutting roller, the strip cutter can cut recycled protective films and TUP films into thin strips, the thin strips are smashed through cooperation of the cut-off cutter and the shear plate, smashed film particles can be directly recycled, and the production requirement is met.

Description

Technical Field

[0001] The utility model belongs to the technical field of TPU recycling, and in particular relates to a TPU film waste separation and crushing component. Background Art

[0002] TPU has excellent high tension, high tensile strength, strong toughness and aging resistance. It is a mature environmentally friendly material. At present, TPU has been widely used in medical and health, electronic appliances, industry and sports. It has high strength, good toughness, wear resistance, cold resistance, oil resistance, water resistance, aging resistance, weather resistance and other characteristics that other plastic materials cannot match. At the same time, it has many excellent functions such as high waterproofness and moisture permeability, windproof, cold resistance, antibacterial, mildew resistance, warmth retention, UV resistance and energy release. TPU material will produce waste during the processing process. The waste can be recycled and reused, but the existing recycling device has a simple structure and cannot separate the protective film on the surface of TPU, and it cannot be crushed, which cannot meet production needs well. Summary of the Invention

[0003] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a TPU film waste separation and crushing component.

[0004] The above technical problems of the present invention are mainly solved by the following technical solutions: a TPU film waste separation and crushing assembly, comprising two side plates, three groups of cutting assemblies are arranged between the two side plates, the three groups of cutting assemblies are staggered with each other in the upper and lower directions and in the front and back directions, and a plurality of guide rollers are arranged between the side plates on the rear sides of the three groups of cutting assemblies;

[0005] The cutting assembly includes two connecting plates, which are connected to the two side plates through two connecting plates. Two power rollers are provided between the rear ends of the two connecting plates. The two power rollers are aligned up and down, and both ends are rotatably connected to the two connecting plates. A shear plate is mounted in the middle of the two connecting plates. A cutting roller is provided on the front side of the shear plate. The left and right ends of the cutting roller are rotatably connected to the connecting plates on both sides. The surface of the cutting roller includes multiple cutting knives and multiple cutting knives. The cutting knives are arranged horizontally along the axis of the cutting roller and arranged in a circular array along the axis of the cutting roller. Multiple cutting knives are arranged in parallel and at intervals on the surface of the cutting roller, and are arranged in groups in a circular array along the axis of the cutting roller on the surface of the cutting roller. The front end of the shear plate is provided with a cutting groove for matching with a cutting knife.

[0006] Preferably, a pulley is provided on the right side of the cutting roller and the right side of one of the power rollers, and a transmission belt is connected between the two pulleys. A motor for driving the cutting roller to rotate is provided on the connecting plate on the left side.

[0007] Preferably, a gear is provided at the left end of each of the two power rollers, and the two gears are meshed with each other.

[0008] Preferably, a corresponding material chute is provided on the lower side of each group of the cutting components.

[0009] The utility model has the beneficial effects of: by arranging guide rollers, the protective films on the upper and lower sides of the TUP are guided and separated by the guide rollers, thereby realizing the separation and recovery of different levels of TUP; in conjunction with the setting of the cutting component, the cutting knife and the strip cutting knife on the cutting roller are used to cut and crush the protective film and the TUP film, so that they can be quickly melted and reused after recycling; by arranging the strip cutting knife and the cutting knife on the surface of the cutting roller, the strip cutting knife can cut the recycled protective film and TUP film into thin strips, and then the thin strips are crushed by the cooperation of the cutting knife and the shear plate, and the crushed film particles can be directly recycled to the furnace, which is convenient for production needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural schematic diagram of the utility model;

[0011] Figure 2 It is a structural schematic diagram of the cutting component of the utility model.

[0012] In the figure: 1. Side plate; 2. Guide roller; 3. Connecting plate; 4. Power roller; 5. Shear plate; 6. Cutting roller; 7. Strip cutter; 8. Cutting knife; 9. Grooving; 10. Pulley; 11. Drive belt; 12. Motor; 13. Gear; 14. Material slide. DETAILED DESCRIPTION

[0013] The technical solution of the present invention will be further specifically described below with reference to embodiments and in conjunction with the accompanying drawings.

[0014] Example: A TPU film waste separation and crushing component, such as Figure 1-Figure 2 As shown, it comprises two side panels 1, three sets of cutting components are arranged between the two side panels 1, the three sets of cutting components are staggered with each other up and down and also staggered with each other front and back, and a plurality of guide rollers 2 are arranged between the side panels 1 on the rear sides of the three sets of cutting components;

[0015] The cutting assembly includes two connecting plates 3, which are connected to the two side plates 1 through the two connecting plates 3. Two power rollers 4 are provided between the rear ends of the two connecting plates 3. The two power rollers 4 are aligned up and down, and both ends are rotatably connected to the two connecting plates 3. A shear plate 5 is mounted in the middle of the two connecting plates 3. A cutting roller 6 is provided on the front side of the shear plate 5. The left and right ends of the cutting roller 6 are rotatably connected to the connecting plates 3 on both sides. The surface of the cutting roller 6 includes multiple cutting knives 7 and multiple cutting knives 8. The cutting knife 8 is arranged horizontally along the axis of the cutting roller 6 and is arranged in a circular array along the axis of the cutting roller 6. Multiple cutting knives 7 are arranged in parallel and at intervals on the surface of the cutting roller 6, and are arranged in groups in a circular array along the axis of the cutting roller 6 on the surface of the cutting roller 6. The front end of the shear plate 5 is provided with a cutting groove 9 that cooperates with the cutting knife 7.

[0016] A pulley 10 is provided on the right side of the cutting roller 6 and the right side of one of the power rollers 4, and a transmission belt 11 is connected between the two pulleys 10. A motor 12 for driving the cutting roller 6 to rotate is provided on the left connecting plate 3; a gear 13 is provided at the left end of the two power rollers 4, and the two gears 13 are engaged with each other; a corresponding material chute 14 is provided on the lower side of each group of the cutting components.

[0017] The principle of the present utility model is as follows: first, the film body is separated in advance manually, and the protective films on the upper and lower sides are clamped in the top and bottom cutting components through the guide rollers 2, and the middle layer of TPU film is clamped in the cutting component in the middle position. The rotation of the motor 12 drives the cutting rollers 6 in each group of cutting components to rotate, and at the same time, the cutting rollers 6 drive the power rollers 4 to rotate through the transmission belt 11 to realize the feeding of the film forward. The slitting knife 7 on the cutting roller 6 is firstly provided with a slitting knife 7 and a cutting knife 8 on the surface of the cutting roller 6. The slitting knife 7 can cut the recycled protective film and TUP film into thin strips, and then the thin strips are crushed by the cooperation of the cutting knife 8 and the shear plate 5. The crushed film particles can be directly recycled.

[0018] Finally, it should be noted that the above embodiments are merely representative examples of the present invention. Obviously, the present invention is not limited to the above embodiments and is susceptible to numerous variations. Any simple modifications, equivalent variations, and modifications to the above embodiments based on the technical essence of the present invention shall be deemed to fall within the scope of protection of the present invention.

Claims

1. A TPU film waste separation and crushing assembly, comprising two side plates (1), characterized in that: Three groups of cutting components are arranged between the two side plates (1), and the three groups of cutting components are staggered with each other in the upper and lower directions and are also staggered with each other in the front and back directions. A plurality of guide rollers (2) are arranged between the side plates (1) at the rear sides of the three groups of cutting components; The cutting assembly comprises two connecting plates (3), the cutting assembly is connected to the two side plates (1) through the two connecting plates (3), two power rollers (4) are provided between the rear ends of the two connecting plates (3), the two power rollers (4) are aligned up and down, and both ends are rotatably connected to the two connecting plates (3), a shear plate (5) is provided in the middle of the two connecting plates (3), a cutting roller (6) is provided on the front side of the shear plate (5), and the left and right ends of the cutting roller (6) are rotatably connected. The cutting roller (6) is movably connected to the connecting plates (3) on both sides. The surface of the cutting roller (6) includes a plurality of slitting knives (7) and a plurality of cutting knives (8). The cutting knives (8) are arranged transversely along the axis of the cutting roller (6) and arranged in a ring array along the axis of the cutting roller (6). The plurality of slitting knives (7) are arranged in parallel and at intervals on the surface of the cutting roller (6) and are arranged in a ring array along the axis of the cutting roller (6) in groups. The front end of the shear plate (5) is provided with a cutting groove (9) that matches the slitting knives (7).

2. The TPU film waste separation and crushing assembly according to claim 1, characterized in that: A pulley (10) is provided on the right side of the cutting roller (6) and the right side of one of the power rollers (4), and a transmission belt (11) is connected between the two pulleys (10). A motor (12) for driving the cutting roller (6) to rotate is provided on the left connecting plate (3).

3. The TPU film waste separation and crushing assembly according to claim 2, characterized in that: A gear (13) is provided at the left end of each of the two power rollers (4), and the two gears (13) are meshed with each other.

4. The TPU film waste separation and crushing assembly according to claim 3, characterized in that: The lower side of each group of the cutting components is provided with a corresponding material slideway (14).

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