阅读说明：本技术 一种分布式pet聚酯薄膜涂布机组 (Distributed PET (polyethylene terephthalate) polyester film coating unit ) 是由 周二风 陈亮 刘建会 江点 于 2021-07-05 设计创作，主要内容包括：本发明提供一种分布式PET聚酯薄膜涂布机组,涉及涂布机领域,以解决现有的分布式薄膜涂布机组在使用的时候,无法带动切割结构便捷调节,无法使切割结构处于不同位置切割薄膜的问题,包括主体；所述主体为涂布机组,且主体内部安装有分布式导杆,主体的前端安装有调节杆；调节杆,所述调节杆包括有限位机构,调节杆的内部安装有限位机构,调节杆为U形结构,且调节杆的两端嵌入在侧槽的内部,调节杆的顶端安装有移动件。切割件在使用的时候,可以通过人力控制转动,进而使切割件可以处于不同的倾斜角度,使限位件可以持续接收弹簧动力向外移动,进而与切割件接触,使切割件可以稳固的固定在适当角度使用切割。(The invention provides a distributed PET (polyethylene terephthalate) polyester film coating unit, relates to the field of coating machines, and aims to solve the problems that when the conventional distributed PET polyester film coating unit is used, a cutting structure cannot be driven to be conveniently adjusted, and the cutting structure cannot be positioned at different positions to cut a film; the main body is a coating unit, a distributed guide rod is arranged in the main body, and an adjusting rod is arranged at the front end of the main body; adjust the pole, adjust the pole including stop gear, the internally mounted who adjusts the pole has stop gear, adjusts the pole and is the U-shaped structure, and adjusts the both ends embedding of pole in the inside of side channel, adjusts the top of pole and installs the moving member. When the cutting piece is used, the cutting piece can be controlled to rotate through manpower, so that the cutting piece can be positioned at different inclination angles, the limiting piece can continuously receive spring power to move outwards, and then the cutting piece is in contact with the cutting piece, and the cutting piece can be stably fixed at a proper angle to be cut.)

1. The utility model provides a distributing type PET polyester film coating unit which characterized in that, a distributing type PET polyester film coating unit includes:

a main body;

the main body is a coating unit, a distributed guide rod is arranged in the main body, and an adjusting rod is arranged at the front end of the main body;

the adjusting rod comprises a limiting mechanism, the limiting mechanism is mounted inside the adjusting rod, the adjusting rod is of a U-shaped structure, two ends of the adjusting rod are embedded inside the side grooves, and a moving piece is mounted at the top end of the adjusting rod;

the moving member, the moving member is T shape structure, and the top of moving member is inside to be equipped with the round hole, and the round hole is inside to be inserted the intermediate position that has the guide, and the bottom embedding of moving member is inside the spout.

2. The distributed PET polyester film coater unit as set forth in claim 1, wherein said main body includes:

the side grooves are of L-shaped structures, and the two side grooves are symmetrically arranged on two sides of the front end in the main body;

the clamping grooves are of wedge-shaped structures and are uniformly arranged in the side grooves.

3. The distributed PET polyester film coater unit as set forth in claim 1, wherein said main body further comprises:

the adjusting piece is of a U-shaped structure, and the bottoms of the two ends of the adjusting piece are inserted into the top end of the inner part of the side groove;

the fixing pieces are of wedge-shaped structures and are uniformly arranged and fixed at the front ends of the two sides of the fixing pieces, and the fixing pieces are made of rubber;

the top of top piece is rectangle platelike structure, and the bottom of top piece is cylindrical rubber material, and two top pieces are fixed at the bottom both ends of regulating part inboardly.

4. The distributed PET polyester film coater unit as set forth in claim 1, wherein said adjustment bar comprises:

the sliding chute is of a T-shaped structure and is arranged at the top end of the adjusting rod, and two rectangular grooves are formed in two sides of the right end of the sliding chute;

the bottom groove is of an inclined structure, and the two bottom grooves are symmetrically arranged on two sides of the bottom of the sliding groove.

5. The distributed PET polyester film coater unit as set forth in claim 1, wherein said adjustment bar further comprises:

the side grooves are L-shaped structures, rectangular grooves are formed in the rear of the top ends of the side grooves, circular holes are formed in the front ends of the side grooves, and the two side grooves are formed in the two ends of the adjusting rod;

the two ends of the guide piece are of rectangular plate structures, the middle position of the guide piece is of a cylindrical structure, and a spring is sleeved outside the right side of the middle of the guide piece.

6. The distributed PET polyester film coater unit as set forth in claim 1, wherein said adjustment bar further comprises:

the control rod is of a U-shaped structure, two ends of the control rod are of cylindrical structures, an L-shaped plate is arranged at the outer end of the control rod, and two ends of the control rod are inserted into the round holes of the side grooves;

the outer ends of the clamping blocks are of L-shaped structures, the rear parts of the outer ends of the clamping blocks are of wedge-shaped structures, the inner ends of the clamping blocks are of rectangular plate-shaped structures, the two clamping blocks are installed inside the two side grooves through springs, and the inner ends of the clamping blocks are connected with the two ends of the control rod.

7. The distributed PET polyester film coater unit as set forth in claim 1, wherein said moving member includes:

the bottom plates are of inclined plate structures, the two bottom plates are symmetrically fixed on two sides of the bottom of the moving piece, and the bottom plates are inserted into the bottom grooves;

the kicking block, the kicking block is the U-shaped structure, and the top of kicking block is the arc structure, and the kicking block is fixed on the top of moving member, and the both ends of kicking block are equipped with two round holes.

8. The distributed PET polyester film coater unit as set forth in claim 1, wherein said moving member further includes:

the mounting groove is of an arc structure, two pull grooves with a middle protruding cylindrical structure are arranged at the inner end of the mounting groove, and the mounting groove is formed in two ends of the moving part;

the locating part, locating part are the arc structure, and the outer end of locating part is the rubber material, and the inner of locating part is equipped with the pull rod of protruding cylindrical structure in the middle of two, and the pull rod passes through spring mounting inside the dead slot, and two locating parts are installed inside two mounting grooves.

9. The distributed PET polyester film coater unit as set forth in claim 1, wherein said moving member further includes:

the moving groove is of a rectangular structure and is formed between the moving piece and the top block;

the fixed plate, the fixed plate is U-shaped plate column structure, and the fixed plate is installed inside the shifting chute, and the bottom of fixed plate inserts inside the rectangular channel of spout.

10. The distributed PET polyester film coater unit as set forth in claim 1, wherein said moving member further includes:

the cutting piece is of a U-shaped structure, the top end of the cutting piece is of a wedge-shaped structure, the cutting piece is made of metal, and the cutting piece is installed at the top end of the top block;

the axostylus axostyle, axostylus axostyle are cylindrical structure, and two axostylus axostyles are fixed at the bottom both ends of cutting piece, and the inner of axostylus axostyle inserts inside the round hole at kicking block both ends.

Technical Field

The invention belongs to the technical field of coating machines, and particularly relates to a distributed PET (polyethylene terephthalate) polyester film coating unit.

Background

The coating machine is mainly used for surface coating process production of films, paper and the like, the coating machine coats a layer of glue, paint, ink and the like with specific functions on a coiled substrate, and the coiled substrate is dried and then coiled, and the coating machine can also be used for PET polyester films.

For example, application No.: CN201810782056.5 relates to a distributed plastic film coating machine set, comprising a workbench, wherein a first connecting rod is arranged at the top of the workbench, a first rotating shaft is arranged at the top end of the first connecting rod, a first bearing is sleeved on the first rotating shaft, a first material roller is sleeved outside the first bearing, a material conveying pipe is arranged at one side of the first connecting rod, a fixed plate is arranged at the top end of the material conveying pipe, a spray pipe is arranged at one side of the fixed plate, a pressing device is arranged at one side of the material conveying pipe, the pressing device comprises a telescopic pipe, a connecting spring is arranged inside the telescopic pipe, a telescopic rod is arranged at the top end of the telescopic pipe, a pressing plate is arranged at the top end of the telescopic rod, a buffer plate is arranged at the top of the pressing plate, a second connecting rod is arranged at one side of the pressing device, a top plate is arranged at the top end of the second connecting rod, an electric push rod is arranged at one side of the top plate, and a third connecting rod is arranged at the other side of the top plate, the invention is not easy to generate folds when processing, improves the processing efficiency and improves the product quality.

Based on prior art discovery, current distributed film coating unit is when using, and through needing the manpower to cut the film, the security is relatively poor, lacks convenient cutting structure, can't adjust to different angles and cuts, and current distributed film coating unit when using, can't drive the convenient regulation of cutting structure, can't make cutting structure be in different positions and cut the film.

Disclosure of Invention

In order to solve the technical problems, the invention provides a distributed PET (polyethylene terephthalate) polyester film coating unit, which aims to solve the problems that when the existing distributed film coating unit is used, a film is cut by manpower, the safety is poor, a convenient cutting structure is lacked, the film cannot be cut at different angles, and the existing distributed film coating unit cannot drive the cutting structure to be adjusted conveniently and the cutting structure cannot be positioned at different positions to cut the film.

The invention relates to a purpose and an effect of a distributed PET polyester film coating unit, which are achieved by the following specific technical means:

a distributed PET polyester film coating unit comprises: a main body; the main body is a coating unit, a distributed guide rod is arranged in the main body, and an adjusting rod is arranged at the front end of the main body; the adjusting rod comprises a limiting mechanism, the limiting mechanism is mounted inside the adjusting rod, the adjusting rod is of a U-shaped structure, two ends of the adjusting rod are embedded inside the side grooves, and a moving piece is mounted at the top end of the adjusting rod; the moving member, the moving member is T shape structure, and the top of moving member is inside to be equipped with the round hole, and the round hole is inside to be inserted the intermediate position that has the guide, and the bottom embedding of moving member is inside the spout.

Further, the body includes: the side grooves are of L-shaped structures, and the two side grooves are symmetrically arranged on two sides of the front end in the main body; the clamping grooves are of wedge-shaped structures and are uniformly arranged in the side grooves; the main body further includes: the adjusting piece is of a U-shaped structure, and the bottoms of the two ends of the adjusting piece are inserted into the top end of the inner part of the side groove; the fixing pieces are of wedge-shaped structures and are uniformly arranged and fixed at the front ends of the two sides of the fixing pieces, and the fixing pieces are made of rubber; the top of top piece is rectangle platelike structure, and the bottom of top piece is cylindrical rubber material, and two top pieces are fixed at the bottom both ends of regulating part inboardly.

Further, the adjusting lever includes: the sliding chute is of a T-shaped structure and is arranged at the top end of the adjusting rod, and two rectangular grooves are formed in two sides of the right end of the sliding chute; the bottom grooves are of an inclined structure, and the two bottom grooves are symmetrically arranged on two sides of the bottom of the sliding groove; the regulation pole still includes: the side grooves are L-shaped structures, rectangular grooves are formed in the rear of the top ends of the side grooves, circular holes are formed in the front ends of the side grooves, and the two side grooves are formed in the two ends of the adjusting rod; the two ends of the guide piece are of rectangular plate structures, the middle position of the guide piece is of a cylindrical structure, and a spring is sleeved outside the right side of the middle of the guide piece; the regulation pole still includes: the control rod is of a U-shaped structure, two ends of the control rod are of cylindrical structures, an L-shaped plate is arranged at the outer end of the control rod, and two ends of the control rod are inserted into the round holes of the side grooves; the outer ends of the clamping blocks are of L-shaped structures, the rear parts of the outer ends of the clamping blocks are of wedge-shaped structures, the inner ends of the clamping blocks are of rectangular plate-shaped structures, the two clamping blocks are installed inside the two side grooves through springs, and the inner ends of the clamping blocks are connected with the two ends of the control rod.

Further, the moving member includes: the bottom plates are of inclined plate structures, the two bottom plates are symmetrically fixed on two sides of the bottom of the moving piece, and the bottom plates are inserted into the bottom grooves; the ejection block is of a U-shaped structure, the top end of the ejection block is of an arc-shaped structure, the ejection block is fixed to the top end of the moving piece, and two round holes are formed in two ends of the ejection block; the moving member further includes: the mounting groove is of an arc structure, two pull grooves with a middle protruding cylindrical structure are arranged at the inner end of the mounting groove, and the mounting groove is formed in two ends of the moving part; the limiting piece is of an arc-shaped structure, the outer end of the limiting piece is made of rubber, the inner end of the limiting piece is provided with two pull rods with middle protruding cylindrical structures, the pull rods are installed inside the pull grooves through springs, and the two limiting pieces are installed inside the two installation grooves; the moving member further includes: the moving groove is of a rectangular structure and is formed between the moving piece and the top block; the fixed plate is of a U-shaped plate structure and is arranged in the moving groove, and the bottom of the fixed plate is inserted into the rectangular groove of the sliding groove; the moving member further includes: the cutting piece is of a U-shaped structure, the top end of the cutting piece is of a wedge-shaped structure, the cutting piece is made of metal, and the cutting piece is installed at the top end of the top block; the axostylus axostyle, axostylus axostyle are cylindrical structure, and two axostylus axostyles are fixed at the bottom both ends of cutting piece, and the inner of axostylus axostyle inserts inside the round hole at kicking block both ends.

Compared with the prior art, the invention has the following beneficial effects:

1. in the device, a moving part is arranged and is used for being installed at the top end of an adjusting part, so that the moving part can be moved by a spring, and further a cutting part is contacted with a film to cut the film;

2. in this device, the regulation pole has been set up, it reciprocates to adjust the pole and be used for driving the moving member, make the moving member bottom can imbed the inside slip at the spout simultaneously, make the moving member can control the direction removal cutting, the kerve mounting plate is passed through to the bottom of spout, after making the moving member use for a long time, can not appear rocking and virtual position, adjust the pole simultaneously and can drive the moving member rebound, make the spring can promote the outside removal of fixture block, and then make the fixture block insert the inside of draw-in groove, make to adjust the pole and can drive the moving member and be in suitable high cutting film, when making the film discharge from the different heights, can adjust the cutting.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic bottom view of the present invention.

Fig. 3 is an exploded perspective and partially enlarged structural view of the present invention.

Fig. 4 is an exploded bottom view and a partially enlarged structural view of the present invention.

Fig. 5 is a schematic view of the main body of the present invention in exploded and partially enlarged configuration.

Fig. 6 is a perspective view of the regulator assembly of the present invention.

Fig. 7 is an exploded and partially cross-sectional view of the adjustment member of the present invention.

Fig. 8 is an exploded perspective view of the moving member of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a main body; 101. a side groove; 102. a card slot; 103. an adjustment member; 104. a fixing member; 105. a top piece; 2. adjusting a rod; 201. a chute; 202. a bottom groove; 203. a side groove; 204. a guide member; 205. a control lever; 206. a clamping block; 3. a moving member; 301. a base plate; 302. a top block; 303. mounting grooves; 304. a limiting member; 305. a moving groove; 306. a fixing plate; 307. cutting the piece; 308. a shaft rod.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 8:

the invention provides a distributed PET (polyethylene terephthalate) polyester film coating unit, which comprises a main body 1; the main body 1 is a coating unit, a distributed guide rod is arranged in the main body 1, and the front end of the main body 1 is provided with an adjusting rod 2; the adjusting rod 2 comprises a limiting mechanism, the limiting mechanism is mounted inside the adjusting rod 2, the adjusting rod 2 is of a U-shaped structure, two ends of the adjusting rod 2 are embedded inside the side grooves 101, the adjusting rod 2 plays a role in moving up and down, the moving part 3 is mounted at the same time, the moving part 3 can move left and right, and the moving part 3 is mounted at the top end of the adjusting rod 2; moving member 3, moving member 3 are T shape structure, and the inside round hole that is equipped with in top of moving member 3, the inside intermediate position that has inserted guide 204 of round hole, and the bottom embedding of moving member 3 is inside spout 201, and moving member 3 has played and has driven the effect that the cutting was controlled about cutting member 307.

The moving member 3 further includes: the moving groove 305 is of a rectangular structure, the moving groove 305 is formed between the moving part 3 and the top block 302, and the moving groove 305 plays a role in installing the fixing plate 306, so that the fixing plate 306 can move up and down under the control of manpower; the fixed plate 306 is of a U-shaped plate structure, the fixed plate 306 is installed inside the moving groove 305, the bottom of the fixed plate 306 is inserted into the rectangular groove of the sliding groove 201, the fixed plate 306 plays a role of moving downwards and being inserted into the rectangular groove of the sliding groove 201, and therefore the fixed plate 306 can drive the moving part 3 to be limited, and the spring can be compressed; the moving member 3 further includes: the cutting piece 307 is of a U-shaped structure, the top end of the cutting piece 307 is of a wedge-shaped structure, the cutting piece 307 is made of metal, the cutting piece 307 is installed at the top end of the top block 302, and the cutting piece 307 has the function of directly contacting and cutting with the film; axostylus axostyle 308, axostylus axostyle 308 are cylindrical structure, and two axostylus axostyles 308 are fixed at the bottom both ends of cutting piece 307, and the inner of axostylus axostyle 308 inserts inside the round hole at kicking block 302 both ends, and axostylus axostyle 308 is used for making the convenient rotation angle regulation of cutting piece 307, and then cuts the film of different positions.

Wherein, main part 1 includes: the side grooves 101 are L-shaped, the two side grooves 101 are symmetrically arranged on two sides of the front end in the main body 1, and the side grooves 101 play a role in embedding and installing two ends of the adjusting rod 2, so that the adjusting rod 2 can move in a guiding manner and cannot be separated when moving up and down; the clamping grooves 102 are wedge-shaped structures, the clamping grooves 102 are uniformly arranged in the side grooves 101, and the clamping grooves 102 enable the rear ends of the clamping blocks 206 to be embedded after the adjusting rods 2 move upwards; the main body 1 further includes: the adjusting piece 103 is of a U-shaped structure, the bottoms of two ends of the adjusting piece 103 are inserted into the top end of the inner part of the side groove 101, and when the cutting piece 307 cuts the film at the top end, the adjusting piece 103 can be pressed, so that the position can be adjusted, and the fixing piece 104 can be contacted and fixed with the inner part of the side groove 101; the fixing pieces 104 are wedge-shaped structures, the fixing pieces 104 are uniformly arranged and fixed at the front ends of the two sides of the fixing pieces 104, and the fixing pieces 104 are made of rubber; the top 105, the top of top 105 is the rectangular plate structure, and the bottom of top 105 is cylindrical rubber material, and two tops 105 are fixed at the bottom both ends of regulating part 103 inboard, and top 105 is after regulating part 103 downstream, can contact with the film, and then the top moves the film, and when making the cutting of cutting part 307, removal cutting that can be more quick.

Wherein, the moving member 3 includes: the bottom plates 301 are inclined plate-shaped structures, the two bottom plates 301 are symmetrically fixed on two sides of the bottom of the moving member 3, the bottom plates 301 are inserted into the bottom grooves 202, and the bottom plates 301 play a role in assisting and controlling the moving member 3 to move in a guiding manner, so that when the moving member 3 is used for a long time, virtual positions and shaking cannot occur; the top block 302 is of a U-shaped structure, the top end of the top block 302 is of an arc-shaped structure, the top block 302 is fixed to the top end of the moving part 3, two round holes are formed in two ends of the top block 302, and the top block 302 plays a role in assisting in installing the cutting part 307; the moving member 3 further includes: the mounting groove 303 is of an arc structure, two pull grooves with middle raised cylindrical structures are arranged at the inner end of the mounting groove 303, the mounting groove 303 is formed in two ends of the moving member 3, and the mounting groove 303 plays a role in pushing the mounting limiting member 304 through a spring; the limiting members 304 are arc-shaped structures, the outer ends of the limiting members 304 are made of rubber materials, the inner ends of the limiting members 304 are provided with two pull rods with middle protruding cylindrical structures, the pull rods are installed inside the pull grooves through springs, the two limiting members 304 are installed inside the two installation grooves 303, the limiting members 304 play a role in receiving spring power to move outwards through the pull rods, and then the limiting members 304 can be in contact with the cutting members 307, and the cutting members 307 can be in fixed cutting.

Wherein, adjust pole 2 and include: the sliding groove 201 is of a T-shaped structure, the sliding groove 201 is formed in the top end of the adjusting rod 2, two rectangular grooves are formed in two sides of the right end of the sliding groove 201, and the sliding groove 201 plays a role in installing the moving piece 3, so that the moving piece 3 can slide in a guiding mode; the bottom grooves 202 are of an inclined structure, and the two bottom grooves 202 are symmetrically arranged on two sides of the bottom of the sliding groove 201; the adjusting lever 2 further comprises: the side grooves 203 are L-shaped, rectangular grooves are formed in the rear of the top ends of the side grooves 203, circular holes are formed in the front ends of the side grooves 203, the two side grooves 203 are formed in the two ends of the adjusting rod 2, and the side grooves 203 play a role in mounting the fixture blocks 206, so that the fixture blocks 206 can move through the power of springs; the two ends of the guide 204 are in rectangular plate structures, the middle position of the guide 204 is in a cylindrical structure, a spring is sleeved outside the right side of the middle of the guide 204, the guide 204 plays a role in assisting in guiding and mounting the moving part 3, and meanwhile, the spring can be mounted, so that the spring can retreat to push the moving part 3 to move in a guiding manner; the adjusting lever 2 further comprises: the control rod 205 is of a U-shaped structure, two ends of the control rod 205 are of cylindrical structures, an L-shaped plate is arranged at the outer end of the control rod 205, two ends of the control rod 205 are inserted into the round holes of the side groove 203, and the control rod 205 plays a role in controlling movement through manpower, so that the control rod 205 can drive the two clamping blocks 206 to move; the outer ends of the fixture blocks 206 are in an L-shaped structure, the rear parts of the outer ends of the fixture blocks 206 are in a wedge-shaped structure, the inner ends of the fixture blocks 206 are in a rectangular plate-shaped structure, the two fixture blocks 206 are installed inside the two side grooves 203 through springs, the inner ends of the fixture blocks 206 are connected with the two ends of the control rod 205, and the fixture blocks 206 can receive the power of the springs to move when the adjusting rod 2 moves to a proper height, and then are inserted into the clamping grooves 102 for limiting and fixing.

As another embodiment of the present invention, when the film is in a tensioned state after being processed, the moving member 3 may be directly moved upward for cutting without using the adjusting member 103.

When in use: when the device is needed, the moving part 3 is pulled to move rightwards by manpower firstly, so that the moving part 3 can compress the spring, meanwhile, the limiting part 304 automatically moves downwards by self gravity, so that the bottom can be inserted into the rectangular groove of the sliding groove 201 for limiting and fixing, then the PET polyester film is controlled to move and process in the main body 1 by manpower, when the PET polyester film is processed and needs to be cut, the adjusting part 103 can be pushed by manpower firstly, so that the top part 105 can be contacted with the two ends of the film, meanwhile, the adjusting part 103 is limited and fixed by the fixing part 104, then the control rod 205 is pulled to move outwards, so that the control rod 205 can pull the two clamping blocks 206 to move, so that the spring is compressed, the rear ends of the clamping blocks 206 can be pulled out from the inside of the clamping grooves 102, further, the limiting and fixing on the adjusting rod 2 is released, and then the adjusting rod 2 is controlled to move upwards, then, the cutting part 307 is controlled to turn over, so that the cutting part 307 can be at a proper inclination angle, the fixing plate 306 receives the power of a spring through a pull rod to move outwards, the cutting part 307 is fixed, when the adjusting rod 2 moves upwards, the moving part 3 can pierce through the film or can be in staggered contact with the top part 105 to deform the film, then the control rod 205 is loosened, the fixture block 206 is used for fixing the adjusting rod 2 again, then the fixing plate 306 is pulled upwards, the fixing plate 306 can move upwards, the bottom of the fixing plate 306 can be separated from the inside of the rectangular groove, the moving part 3 is relieved from limiting, the spring can push the moving part 3 to move, the cutting part 307 can rapidly pass through the film, the film is rapidly cut, and the film can be cut off regularly.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.