Air suction waste edge collecting device capable of automatically winding film

Abstract

The utility model relates to the field of plastic film production equipment, and discloses an air suction waste edge collecting device for automatically winding a film, which comprises a rack, conveying rollers are arranged on the rack, a plurality of cutters are arranged above or below at least one conveying roller, the cutters are distributed along the axial direction of the conveying rollers, the cutting edges of the cutters are over against the conveying path of the winding film, and the cutting edges of the cutters are arranged on the conveying path of the winding film. An air suction header pipe is further fixedly installed on the machine frame, the side edge of the air suction header pipe is connected with a waste treatment device, the air suction header pipe is connected with a side air suction nozzle through a side air pipe, the middle section of the air suction header pipe is connected with a central air suction nozzle through a central waste edge air pipe, and the central air suction nozzle faces the middle waste edge position of the film. And the side suction air nozzles on the left and right sides face the slitter edge positions on the left and right sides of the film. According to the treatment method, a part of the film is directly fed into the crusher by dividing the film and using air suction, so that the speed problem does not need to be worried about, and the working efficiency and the safety are effectively improved.

Description

Technical Field

[0001] The utility model relates to the field of plastic film production equipment, in particular to a suction waste edge device for automatic winding film. Background Art

[0002] In the manufacturing process of plastic films or other coiled materials, it is often necessary to remove waste or flash at the edges of the materials to ensure product quality. In the prior art, the removal of film waste is usually carried out by roller shaving and directly pulled into a shredder through a conveying roller for treatment. This method has relatively high requirements for the conveying of film waste. If the conveying speed and tension are not adjusted properly, the film waste edge may wind around the conveying roller or be torn off. The waste shaving method in the prior art has relatively high requirements for the conveying of film waste. If the conveying speed and film tension are not adjusted well, when it is slow, it will wind around the conveying roller, and when it is pulled fast, the film waste edge will be directly torn off. Therefore, a relatively wide film waste edge also needs to be reserved to reduce the risk of the narrower film being torn off, thus wasting the finished raw materials and reducing the production efficiency. Summary of the Invention

[0003] Aiming at the deficiencies in the prior art, the utility model provides a suction waste edge device for automatic winding film.

[0004] To solve the above technical problems, the utility model is solved by the following technical solutions:

[0005] A suction waste edge device for automatic winding film includes a frame, on which a conveying roller is installed. A cutter is arranged above or below at least one of the conveying rollers, and several cutters are distributed along the axial direction of the conveying roller. The cutting edge of the cutter faces the conveying path of the winding film. A main suction pipe is fixedly installed on the frame. A waste treatment device is connected to the side of the main suction pipe. The main suction pipe is connected to side suction nozzles through side air ducts. The middle section of the main suction pipe is connected to a central waste edge air duct to a central suction nozzle, and the central suction nozzle faces the middle waste edge position of the film, and the side suction nozzles on the left and right sides face the waste edge positions on the left and right sides of the film.

[0006] Preferably, a cutter installation guide rail extending in the left-right direction is arranged on the frame. The cutter is movably installed on the cutter installation guide rail through a slider, and the cutter is also connected to a lifting power source for driving its up and down displacement. The cutter is installed on the movable slider, and its position can be adjusted as needed and its up and down displacement can be realized through the lifting power source to adapt to films of different widths.

[0007] Preferably, one end of the main suction pipe far from the waste treatment device is blocked, so that all the waste absorbed by the central waste edge air ducts and all the side air ducts is output through one end of the main suction pipe connected to the waste treatment device.

[0008] Preferably, the size of the central air suction nozzle is smaller than that of the side air suction nozzles. The smaller size of the central air suction nozzle adapts to the feature of the relatively narrow waste edge in the middle of the film, improving the air suction efficiency and the accuracy of waste collection.

[0009] Preferably, the diameter of the central waste edge air duct is smaller than that of the side air ducts. The smaller diameter of the central waste edge air duct further optimizes the air suction efficiency and ensures that the waste can be effectively transported to the waste treatment device.

[0010] Preferably, there are at least two conveying rollers, and the cutting edge of the cutter is located between the two conveying rollers. The winding film between the two conveying rollers has tension, enabling the cutting edge of the cutter to pass through the conveyed winding film.

[0011] Preferably, the waste treatment device includes a blower one, a screw crusher, a waste collection device, and a blower two. The inlet end of the blower one is connected to the main air suction pipe, the outlet end of the blower one is connected to the inlet end of the screw crusher, the outlet end of the screw crusher is connected to the inlet end of the blower two, and the outlet end of the blower two is connected to the waste collection device. The waste treatment device integrates a blower, a screw crusher, a waste collection device, etc., forming a complete waste treatment process and improving the efficiency and effect of waste treatment.

[0012] The utility model has achieved remarkable technical effects due to the adoption of the above technical solutions:

[0013] Previously, it was necessary to cut and pull out the film, which had problems such as difficult operation and low efficiency. The speed at which the waste edge roller was pulled out needed to be matched with the main machine data and the conveying rollers, but speed control was difficult. When the conveying rollers accelerated, if there was a speed difference in the waste edge roller and the waste edge could not be tightened, it would directly wind upward, posing a safety hazard and requiring shutdown for treatment. If the waste edge roller was faster than the conveying rollers, the waste edge would be broken, affecting the waste edge conveying speed. However, the treatment method of the utility model divides the film and directly uses air suction to send part of it into the crusher, without worrying about speed problems, effectively improving work efficiency and safety. No matter how large the wind force of the utility model is set, it will not break the waste edge. The waste edges on both sides and in the middle enter the main air suction pipe through the side air suction nozzles and the central air suction nozzle and are sucked into the screw crusher for unified treatment, greatly improving the production efficiency and safety of the equipment, reducing the shutdown rate, stably removing waste edges, and being able to remove waste edges regardless of their thickness as long as the air suction wind force is adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is a schematic structural diagram of the utility model.

[0015] Figure 2 is a schematic structural diagram of the utility model from another angle.

[0016] Figure 3 is Figure 2 A partial enlarged view of A in

[0017] Figure 4 A schematic structural view of a waste treatment device.

[0018] The names of the parts referred to by each digital label in the above drawings are as follows: Among them, 1, frame; 11, tool mounting guide rail; 2, conveying roller; 3, tool; 31, slider; 32, lifting power source; 4, main suction pipe; 41, side air duct; 42, side suction nozzle; 43, central waste edge air duct; 44, central suction nozzle; 5, waste treatment device; 51, blower one; 52, screw crusher; 53, waste collection device; 54, blower two. Specific embodiments

[0019] The present utility model will be further described in detail below in conjunction with the drawings and embodiments.

[0020] Embodiment 1

[0021] An air suction waste edge collecting device for automatically winding a film, as Figures 1-4 shown, includes a frame 1, a conveying roller 2 is installed on the frame 1, at least one tool 3 is arranged above or below the conveying roller 2, several tools 3 are distributed along the axial direction of the conveying roller 2, the cutting edge of the tool 3 faces the conveying path of the winding film, a main suction pipe 4 is fixedly installed on the frame 1, a waste treatment device 5 is connected to the side of the main suction pipe 4, the main suction pipe 4 is connected to a side suction nozzle 42 through a side air duct 41, the middle section of the main suction pipe 4 is connected to a central waste edge air duct 43 to a central suction nozzle 44, the central suction nozzle 44 faces the middle waste edge position of the film, and the side suction nozzles 42 on the left and right sides face the waste edge positions on the left and right sides of the film.

[0022] A tool mounting guide rail 11 extending in the left - right direction is arranged on the frame 1, the tool 3 is movably installed on the tool mounting guide rail 11 through a slider 31, and the tool 3 is also connected with a lifting power source 32 for driving its up - down displacement.

[0023] One end of the main suction pipe 4 far from the waste treatment device 5 is blocked, so that the waste absorbed by all the central waste edge air ducts 43 and all the side air ducts 41 is output through one end of the main suction pipe 4 and the waste treatment device 5.

[0024] The size of the central suction nozzle 44 is smaller than the size of the side suction nozzle 42.

[0025] The diameter of the central waste edge air duct 43 is smaller than the diameter of the side air duct 41.

[0026] There are at least two conveying rollers 2, and the cutting edge of the cutter 3 is located between the two conveying rollers 2. The winding film between the two conveying rollers 2 has tension, so that the cutting edge of the cutter 3 passes through the conveyed winding film.

[0027] The waste treatment device 5 includes a first blower 51, a screw crusher 52, a waste collection device 53 and a second blower 54. The inlet end of the first blower 51 is connected to the main suction pipe 4, the outlet end of the first blower 51 is connected to the inlet end of the screw crusher 52, the outlet end of the screw crusher 52 is connected to the inlet end of the second blower 54, and the outlet end of the second blower 54 is connected to the waste collection device 53.

[0028] Working principle: When the plastic film is conveyed between the conveying rollers 2, the cutting edge of the cutter 3 will cut the passing film. Generally, the cutter 3 will be arranged on both sides of the frame 1 to trim the waste on both sides of the film. In some cases, the cutter 3 will also be arranged in the middle to slit or slit and trim the waste in the middle of the film. In this embodiment, taking the cutter 3 as an example, there are two cutters on each side of the film for trimming the edges, and there are also two groups in the middle for slitting and trimming the edges. The width in the middle is smaller, so the size of the central suction nozzle will be smaller than that of the side suction nozzles. The trimmed waste edges can enter the side air duct 41 through the side suction nozzles 42, and the waste edges cut in the middle enter the central waste edge air duct 43 through the central suction nozzle 44. The waste edges in the side air duct 41 and the central waste edge air duct 43 are all sucked into the main suction pipe 4 by the first blower 51. The waste in the main suction pipe 4 enters the screw crusher 52 through the first blower 51 for crushing, and the crushed waste is then sucked into the waste collection device 53 by the second blower 54. In the whole process, the movement of the waste depends on suction. It moves in the suction pipeline, making the waste conveying completely independent of the plastic film conveying, without affecting the plastic film conveying, and there is no need to worry about whether the waste is damaged and affecting the waste conveying process. Thus, it will not affect the equipment operation process due to waste collection, greatly reducing the equipment downtime rate, and there is no need to worry about the waste edges causing safety hazards, improving the equipment working efficiency.

[0029] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "length", "width", "thickness", "upper", "lower", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, the meaning of "a plurality of" is two or more unless otherwise specifically defined.

[0030] In summary, the above are only the preferred embodiments of the present utility model, and all equivalent changes and modifications made according to the scope of the patent application of the present utility model shall fall within the scope covered by the patent of the present utility model.

Claims

1. An air suction waste edge collecting device for automatic winding film, comprising a frame (1), on which a conveying roller (2) is installed, wherein a cutter (3) is arranged above or below at least one conveying roller (2), and a plurality of cutters (3) are distributed along the axial direction of the conveying roller (2), and the cutting edge of the cutter (3) faces the conveying path of the winding film, and it is characterized in that: A suction main pipe (4) is also fixedly installed on the frame (1). A waste treatment device (5) is connected to the side of the suction main pipe (4). The suction main pipe (4) is connected to side suction nozzles (42) through side air pipes (41). The middle section of the suction main pipe (4) is connected to a central waste edge air pipe (43), and the central waste edge air pipe (43) is connected to a central suction nozzle (44). The central suction nozzle (44) faces the middle waste edge position of the film, and the side suction nozzles (42) on the left and right sides face the waste edge positions on the left and right sides of the film.

2. The air suction waste edge collecting device for an automatic winding film according to claim 1, characterized in that: A tool mounting guide rail (11) extending in the left-right direction is provided on the frame (1). The tool (3) is movably installed on the tool mounting guide rail (11) through a slider (31). The tool (3) is also connected to a lifting power source (32) for driving its up-and-down displacement.

3. The air suction waste edge collecting device for an automatic winding film according to claim 1, wherein: One end of the suction main pipe (4) far from the waste treatment device (5) is blocked, so that the waste absorbed by all the central waste edge air pipes (43) and all the side air pipes (41) is output through one end of the suction main pipe (4) and the waste treatment device (5).

4. The air suction waste edge collecting device for an automatic winding film according to claim 3, characterized in that: The size of the central suction nozzle (44) is smaller than the size of the side suction nozzle (42).

5. The air suction waste edge collecting device for an automatic winding film according to claim 4, characterized in that: The diameter of the central waste edge air pipe (43) is smaller than the diameter of the side air pipe (41).

6. The air suction waste edge collecting device for an automatic winding film according to claim 1, characterized in that: There are at least two conveying rollers (2). The cutting edge of the tool (3) is located between the two conveying rollers (2). The winding film between the two conveying rollers (2) has tension, so that the cutting edge of the tool (3) passes through the conveyed winding film.

7. An air suction waste edge collecting device for an automatic winding film according to claim 1, characterized in that: The waste treatment device (5) includes a blower one (51), a screw crusher (52), a waste collection device (53) and a blower two (54). The inlet end of the blower one (51) is connected to the suction main pipe (4). The outlet end of the blower one (51) is connected to the inlet end of the screw crusher (52). The outlet end of the screw crusher (52) is connected to the inlet end of the blower two (54). The outlet end of the blower two (54) is connected to the waste collection device (53).

Images