Slitting device for protective film production

Abstract

The utility model relates to the technical field of protective film slitting, and discloses a slitting device for protective film production, which comprises a U-shaped frame, a U-shaped opening is formed in the U-shaped frame, a slitting knife piece located in the U-shaped opening is installed on the U-shaped frame, a material scraping and blowing piece attached to the slitting knife piece is installed on the U-shaped frame, an air box is installed on the side face of the U-shaped frame, a fanning piece is rotationally connected into the air box, one end of the fanning piece is connected with the slitting knife piece, and the other end of the fanning piece is connected with the slitting knife piece. The U-shaped frame is provided with an air guide piece communicated with the scraping air blowing piece and the air bellow. The utility model provides a slitting device for production of a protective film, and solves the problems that colloidal substances generated in the slitting process of the protective film are easy to adhere to a cutter head, the cutting quality is influenced, the surface of the cutter head which is used for a long time is easy to heat, and the service life of the cutter head is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of protective film slitting, in particular to a slitting device for protective film production. Background Art

[0002] Protective film is a widely used film material, usually made of plastic materials such as polyethylene, polyvinyl chloride, and polypropylene. The main function of the protective film is to protect the covered items from the influence of the external environment. It can also play a role in moisture-proof, scratch-proof, and wear-resistant. When processing the protective film, it is usually necessary to cut it through a slitting machine. The slitting machine is a device specially used to cut the film. The protective film can be divided into different sizes and shapes as needed. The cut protective film can better adapt to the shape and size of the covered object, improve the protection performance and aesthetics, and also facilitate subsequent use and processing;

[0003] The colloid substance produced by the protective film during the slitting process is easy to adhere to the cutting disc, affecting the cutting quality. In addition, the surface of the cutting disc is easy to heat up after long-term use, shortening the service life of the disc.

[0004] In order to solve the above problems, the present application proposes a slitting device for producing a protective film. Utility Model Content

[0005] Based on the technical problems existing in the background technology, the utility model proposes a slitting device for producing a protective film.

[0006] The utility model provides a slitting device for producing a protective film, comprising a U-shaped frame;

[0007] A U-shaped opening is formed in the U-shaped frame, a slitting knife located in the U-shaped opening is installed on the U-shaped frame, a scraper and blower fitted with the slitting knife is installed on the U-shaped frame, a bellows is installed on the side of the U-shaped frame, a fan member is rotatably connected in the bellows, and one end of the fan member is connected to the slitting knife, and an air guide member connected to the scraper and blower and the bellows respectively is installed on the U-shaped frame.

[0008] Preferably, the slitting knife comprises a servo motor, a rotating rod and a plurality of knife discs, the servo motor is installed on one side of the U-shaped frame, the rotating rod is transversely arranged in the U-shaped opening, and one end of the rotating rod is connected to the output end of the servo motor, and the plurality of knife discs are fixedly mounted on the rotating rod and arranged at intervals.

[0009] Preferably, the scraper and air blowing member includes a plurality of U-shaped scraper blocks, wherein the plurality of U-shaped scraper blocks are installed at the top of the U-shaped opening, and the plurality of U-shaped scraper blocks are respectively sleeved on the top of a plurality of cutter discs, and the two sides of the cutter discs are respectively in contact with the inner walls of the U-shaped scraper blocks on both sides, and a blowing channel arranged toward the cutter disc is opened in the U-shaped scraper block.

[0010] Preferably, the fan component includes a connecting rod and an axial flow fan, the other end of the rotating rod rotates through the side of the bellows and extends into it, one end of the connecting rod is connected to the other end of the rotating rod, and the other end of the connecting rod is rotatably connected to the inner wall of the bellows, and the axial flow fan is fixedly mounted on the connecting rod.

[0011] Preferably, the air guide member includes a branch pipe, an air guide duct and several air supply ducts, the several air supply ducts are installed on a U-shaped frame, the several air supply ducts are respectively connected to several blowing channels, the branch pipe is connected to and connected to several air supply pipes, the air guide duct is connected to one end of the branch pipe, and the end of the air guide duct away from the branch pipe is connected to the bellows.

[0012] The above technical solution of the utility model has the following beneficial technical effects:

[0013] By setting the scraper blowing member, bellows, fan member and air guide member, when the protective film is cut by the slitting knife, the fan member can be driven to rotate, and when the fan member rotates, cold air can be generated in the bellows, and the cold air enters the scraper blowing member along the air guide member, and the slitting knife can be blown and cooled by the scraper blowing member, and when the slitting knife is working, the scraper blowing member can scrape off the glue material adhered to the slitting knife. This structure uses the fan member to generate cold air for cooling, which effectively prevents the surface of the knife disc from overheating, thereby improving the cutting quality, and the scraper blowing member can timely remove the glue material adhered to the knife disc to avoid the accumulation of glue material affecting the cutting effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model is a schematic structural diagram of a slitting device for producing a protective film.

[0015] Figure 2 The utility model is a schematic diagram of the planar structure of a slitting device for producing a protective film.

[0016] Figure numerals: 1, U-shaped frame; 2, slitting knife; 21, servo motor; 22, rotating rod; 23, knife disc; 3, scraper and air blowing member; 31, U-shaped scraper block; 32, air blowing channel; 4, bellows; 5, fan member; 51, connecting rod; 52, axial flow fan; 6, air guide member; 61, branch pipe; 62, air guide duct; 63, air supply duct. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the utility model. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the utility model.

[0018] like Figure 1 and Figure 2 As shown, the utility model provides a slitting device for producing a protective film, comprising a U-shaped frame 1;

[0019] In this embodiment, a U-shaped opening is formed in the U-shaped frame 1, and a slitting blade 2 located in the U-shaped opening is installed on the U-shaped frame 1. The slitting blade 2 includes a servo motor 21, a rotating rod 22 and a plurality of knife discs 23. The servo motor 21 is installed on one side of the U-shaped frame 1, the rotating rod 22 is transversely arranged in the U-shaped opening, and one end of the rotating rod 22 is connected to the output end of the servo motor 21, and the plurality of knife discs 23 are fixedly mounted on the rotating rod 22 and arranged at intervals.

[0020] In this embodiment, a scraper and air blowing member 3 is mounted on the U-shaped frame 1 and is fitted with the slitting blade 2. The scraper and air blowing member 3 includes a plurality of U-shaped scraper blocks 31, which are all mounted on the top of the U-shaped opening, and are respectively sleeved on the top of a plurality of blade discs 23, and the two sides of the blade disc 23 are respectively in contact with the inner walls of the two sides of the U-shaped scraper block 31, and a blowing channel 32 arranged toward the blade disc 23 is opened in the U-shaped scraper block 31.

[0021] In this embodiment, a bellows 4 is installed on the side of the U-shaped frame 1, and a fan member 5 is rotatably connected in the bellows 4, and one end of the fan member 5 is connected to the slitting blade 2. The fan member 5 includes a connecting rod 51 and an axial flow fan 52, and the other end of the rotating rod 22 rotates through the side of the bellows 4 and extends into it, one end of the connecting rod 51 is connected to the other end of the rotating rod 22, and the other end of the connecting rod 51 is rotatably connected to the inner wall of the bellows 4, and the axial flow fan 52 is fixedly sleeved on the connecting rod 51.

[0022] In this embodiment, an air guide member 6 is installed on the U-shaped frame 1 and is connected to the scraper blowing member 3 and the bellows 4. The air guide member 6 includes a branch pipe 61, an air guide pipe 62 and a plurality of air supply pipes 63. The plurality of air supply pipes 63 are installed on the U-shaped frame 1. The plurality of air supply pipes 63 are connected to a plurality of air blowing channels 32 respectively. The branch pipe 61 is connected to and connected to the plurality of air supply pipes 63. The air guide pipe 62 is connected to one end of the branch pipe 61, and the end of the air guide pipe 62 away from the branch pipe 61 is connected to the bellows 4.

[0023] It should be noted that: in order to facilitate cooling the cutter disc 23 and removing the glue on the cutter disc 23, the servo motor 21 can drive the rotating rod 22 to drive several cutter discs 23 to rotate, and the protective film can be cut by the rotating cutter disc 23. When the rotating rod 22 rotates, it can drive the connecting rod 51 and the axial flow fan 52 to rotate together. When the axial flow fan 52 rotates, cold air can be generated in the bellows 4. The cold air enters the corresponding blowing channels 32 along the air guide 62, the branch pipe 61 and the several air supply pipes 63 respectively, and the cold air can be blown to the cutter disc 23 through the blowing channel 32, so as to cool the cutter disc 23. When the cutter disc 23 is working, the U-shaped scraper block 31 can scrape off the glue adhered to the cutter disc 23. This structure uses the fan element 5 to generate cold air for cooling, effectively preventing the surface of the cutter disc 23 from overheating, thereby improving the cutting quality, and the scraper blowing element 3 can timely remove the glue adhered to the cutter disc 23 to avoid the accumulation of glue affecting the cutting effect.

[0024] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation on the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the claims attached to the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the attached claims, or the equivalent forms of such scope and boundaries.

Claims

1. A slitting device for producing protective films, comprising a U-shaped frame (1), characterized in that: A U-shaped opening is formed in the U-shaped frame (1), a slitting blade (2) located in the U-shaped opening is installed on the U-shaped frame (1), a scraper and air blowing member (3) in contact with the slitting blade (2) is installed on the U-shaped frame (1), a bellows (4) is installed on the side of the U-shaped frame (1), a fan member (5) is rotatably connected in the bellows (4), and one end of the fan member (5) is connected to the slitting blade (2), and an air guide member (6) is installed on the U-shaped frame (1) and is connected to the scraper and air blowing member (3) and the bellows (4) respectively.

2. A slitting device for producing a protective film according to claim 1, characterized in that: The slitting blade (2) comprises a servo motor (21), a rotating rod (22) and a plurality of knife discs (23); the servo motor (21) is mounted on one side of the U-shaped frame (1); the rotating rod (22) is transversely arranged in the U-shaped opening, and one end of the rotating rod (22) is connected to the output end of the servo motor (21); and the plurality of knife discs (23) are fixedly mounted on the rotating rod (22) and arranged at intervals.

3. A slitting device for producing a protective film according to claim 2, characterized in that: The scraper and air blowing member (3) comprises a plurality of U-shaped scraper blocks (31), wherein the plurality of U-shaped scraper blocks (31) are mounted on the top of the U-shaped opening, and the plurality of U-shaped scraper blocks (31) are respectively sleeved on the top of a plurality of blade discs (23), and the two sides of the blade discs (23) are respectively in contact with the inner walls of the two sides of the U-shaped scraper blocks (31), and a blowing channel (32) arranged toward the blade disc (23) is provided in the U-shaped scraper blocks (31).

4. A slitting device for producing a protective film according to claim 3, characterized in that: The fan member (5) comprises a connecting rod (51) and an axial flow fan (52); the other end of the rotating rod (22) rotates through the side of the bellows (4) and extends into it; one end of the connecting rod (51) is connected to the other end of the rotating rod (22); the other end of the connecting rod (51) is rotatably connected to the inner wall of the bellows (4); and the axial flow fan (52) is fixedly sleeved on the connecting rod (51).

5. A slitting device for producing a protective film according to claim 4, characterized in that: The air guide member (6) comprises a branch pipe (61), an air guide pipe (62) and a plurality of air supply pipes (63); the plurality of air supply pipes (63) are installed on the U-shaped frame (1); the plurality of air supply pipes (63) are respectively connected to a plurality of air blowing channels (32); the branch pipe (61) is connected to and connected to the plurality of air supply pipes (63); the air guide pipe (62) is connected to one end of the branch pipe (61); and the end of the air guide pipe (62) away from the branch pipe (61) is connected to the bellows (4).

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