A precision slitting device for shrink film

Abstract

The utility model relates to shrink film slitting technical field especially relates to a kind of adjustable speed precision slitting device of shrink film, including base, box door;Still including slitting subassembly and limiting component, the top of base is equipped with slitting subassembly, the left side of base is provided with limiting component, the front end hinged connection of base has box door, slitting subassembly includes slide bar, slide bar is oppositely set in the top of base, the outside slide bar is slidably connected with pressure block, and two groups are oppositely set in pressure block, the top of base is rotatably connected with guide roller;The utility model is slid on slide bar by pressure block, can adjust slitting position according to the need of slitting, and the trend of shrink film is guided by the cooperation of guide roller, pressure block then exerts appropriate pressure, ensure that film material keeps tight and position fixed when slitting, prevent it from appearing deviation, slack or wrinkle, to ensure the precision and straightness of slitting, make the size of shrink film after slitting more accurate, edge more neat, improve the straightness and size precision of slitting.

Description

Technical Field

[0001] This utility model relates to the field of shrink film slitting technology, and in particular to a shrink film adjustable speed precision slitting device. Background Technology

[0002] In the packaging industry, shrink film is widely used in the packaging of various products. Different products have different packaging needs, and the requirements for the width and length of shrink film are also different. This requires efficient and precise slitting equipment to slit the shrink film, thereby improving the production efficiency and product output of shrink film.

[0003] Existing slitting devices lack precise slitting mechanisms and rely solely on guide rollers to fix the shrink film, which easily leads to lateral deviation, resulting in inaccurate slitting dimensions and inconsistent widths of the slitting film. This affects the product's dimensional accuracy. Furthermore, localized loosening or bending during the slitting process prevents the slitting blade from cutting along the predetermined straight path, resulting in uneven slitting edges with wavy or serrated edges, thus reducing slitting quality.

[0004] Therefore, in response to the problem that the above-mentioned slitting device lacks a precise slitting mechanism and relies solely on guide rollers to fix the shrink film, which easily leads to left and right deviations, resulting in inaccurate slitting dimensions and inconsistent widths of the slitting film, thus affecting the dimensional accuracy of the product, an adjustable-speed precision slitting device for shrink film can be designed. Utility Model Content

[0005] To overcome the problem that the slitting device lacks a precise slitting mechanism and relies solely on guide rollers to fix the shrink film, which easily leads to left and right deviations, resulting in inaccurate slitting dimensions and inconsistent widths of the slitting film, thus affecting the dimensional accuracy of the product.

[0006] The technical solution of this utility model is as follows: a shrink film adjustable speed precision slitting device, including a base and a door; it also includes a slitting component and a limiting component. The slitting component is installed on the top of the base, the limiting component is provided on the left side of the base, the door is hinged to the front end of the base, the slitting component includes a slide rod, the slide rod is arranged opposite to the top of the base, the outside of the slide rod is slidably connected to a pressure block, and two sets of pressure blocks are arranged opposite to each other, and the top of the base is rotatably connected to a guide roller.

[0007] Preferably, the operator controls the cutting size and length via the control panel, causing the pressure block to slide on the slide bar and move to a predetermined position.

[0008] Preferably, the slide bar has upright plates at both ends, and the upright plates are located at the top of the base. The top of the base has a bottom plate, and the guide roller is located on the left side of the bottom plate. The bottom end of the pressure block is slidably connected to a sliding blade.

[0009] Preferably, a vertical block is installed opposite to the right side of the top of the base, and the vertical block is located on the right side of the base plate. A film rolling roller is connected between the vertical blocks. A guide block is installed on the left side of the guide roller. A control screen is installed on the right side of the top of the base, and the control screen is located on the right side of the vertical block.

[0010] Preferably, the limiting component includes a stand, which is disposed on the left side wall of the base, and side plates are provided at the front and rear ends of the stand, and the side plates are rotatably connected by a rotating rod.

[0011] Preferably, a first unwinding roller is installed on the opposite side of the lower side plate, a second unwinding roller is connected between the upper side plates, an adjusting cylinder is rotatably connected to the back side of the side plate, and a fixing plate is installed opposite to the top of the upright frame.

[0012] Preferably, guide rollers are connected between the fixed plates, and rubber tubes are sleeved on the outside of the guide rollers. Fixing ears are installed at both the front and rear ends of the upright, and the fixing ears are located on the left side of the base.

[0013] Preferably, a fixing block with a groove is installed on the top of the base near the base, and a guide roller and a rubber tube are connected between the fixing ear and the fixing block.

[0014] The beneficial effects of this utility model are as follows: By sliding the pressure block on the slide bar, the cutting position can be adjusted according to the cutting needs. With the cooperation of the guide roller, the direction of the shrink film is guided, and the pressure block applies appropriate pressure to ensure that the film material remains taut and fixed in position during cutting, preventing it from shifting, loosening or wrinkling. This ensures the cutting accuracy and straightness, making the slit shrink film size more precise and the edges neater, improving the straightness and dimensional accuracy of cutting, and reducing cutting errors caused by uneven film material. Attached Figure Description

[0015] Figure 1 The diagram shown is a first three-dimensional structural schematic of a shrink film adjustable speed precision cutting device according to this utility model.

[0016] Figure 2 The diagram shown is a second three-dimensional structural schematic of a shrink film adjustable speed precision cutting device according to this utility model.

[0017] Figure 3 The diagram shown is a three-dimensional cross-sectional view of a shrink film adjustable speed precision cutting device according to this utility model.

[0018] Figure 4 The diagram shown is a three-dimensional structural schematic of the limiting component in a shrink film adjustable speed precision cutting device of this utility model.

[0019] Explanation of reference numerals in the attached drawings: 1. Base; 2. Box door; 301. Slide rod; 302. Pressure block; 303. Guide roller; 304. Vertical plate; 305. Bottom plate; 306. Slitting knife; 307. Vertical block; 308. Film roll roller; 309. Guide block; 310. Control panel; 401. Frame; 402. Side plate; 403. Unwind roller one; 404. Unwind roller two; 405. Adjusting cylinder; 406. Fixing plate; 407. Guide pressure roller; 408. Rubber tube; 409. Fixing lug; 410. Fixing block. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0021] Please see Figures 1-4 This utility model provides an embodiment: a shrink film adjustable speed precision slitting device, including a base 1 and a door 2; it also includes a slitting component and a limiting component. The slitting component is installed at the top of the base 1, and the limiting component is provided on the left side of the base 1. The door 2 is hinged to the front end of the base 1. The slitting component includes a slide rod 301, which is disposed opposite to the top of the base 1. A pressure block 302 is slidably connected to the outside of the slide rod 301, and two sets of pressure blocks 302 are disposed opposite to each other. A guide roller 303 is rotatably connected to the top of the base 1.

[0022] Please see Figures 2-3 In this embodiment, upright plates 304 are provided at both ends of the slide bar 301, and the upright plates 304 are located at the top of the base 1. A base plate 305 is provided at the top of the base 1, and a guide roller 303 is located on the left side of the base plate 305. A slidable cutting blade 306 is slidably connected to the bottom end of the pressure block 302. Upright blocks 307 are installed opposite each other on the right side of the top of the base 1, and the upright blocks 307 are located on the right side of the base plate 305. A film winding roller 308 is connected between the upright blocks 307. A guide block 309 is installed on the left side of the guide roller 303. A control panel 310 is located on the right side of the top, and the control panel 310 is located on the right side of the upright block 307. Under the close cooperation of the guide roller 303 and the guide block 309, the shrink film moves smoothly and evenly onto the base plate 305. The guide block 309 is precisely positioned according to the width of the shrink film and limits the shrink film from both sides to ensure that it does not sway left and right during the movement and always maintains a stable running state. When the shrink film reaches the base plate 305, the pressure block 302 immediately plays its role to press and limit the shrink film.

[0023] Please see Figure 4In this embodiment, the limiting component includes a stand 401, which is disposed on the left side wall of the base 1. Side plates 402 are cross-arranged at the front and rear ends of the stand 401, and the side plates 402 are rotatably connected by a rotating rod. A first unwinding roller 403 is installed on the opposite side of the lower side plate 402, a second unwinding roller 404 is connected between the upper side plates 402, and an adjusting cylinder 405 is rotatably connected to the opposite side of the side plates 402. Fixed plates 406 are installed opposite each other at the top of the stand 401. A guide pressure roller 407 is connected between the fixed plates 406, and a rubber tube 40 is sleeved on the outer side of the guide pressure roller 407. 8. Fixing ears 409 are installed at both the front and rear ends of the stand 401, and the fixing ears 409 are located on the upper left side of the base 1. A fixing block 410 with a sliding groove is installed on the top of the base 1 near the base 1. A guide pressure roller 407 and a rubber tube 408 are connected between the fixing ears 409 and the fixing block 410. The shrink film roll is precisely placed on the unwinding roller 2 404 or the unwinding roller 1 403. The shrink film ends are sequentially and alternately engaged with the guide pressure roller 407 and the rubber tube 408, which strongly guides and limits the shrink film, effectively preventing the shrink film from shifting at the beginning of unwinding.

[0024] During operation, the shrink film roll is precisely placed on either unwinding roller 404 or unwinding roller 403 according to its size specifications. The ends of the shrink film are sequentially and alternately engaged with guide roller 407 and rubber tube 408, providing strong guidance and limiting for the shrink film, effectively preventing deviation during the initial unwinding stage. Simultaneously, with the close cooperation of guide roller 303 and guide block 309, the shrink film moves smoothly and evenly onto the base plate 305. The guide block 309 precisely positions the shrink film according to its width, guiding it from both sides. The shrink film acts as a limiter, ensuring that it does not sway left and right during movement and always maintains a stable running state. When the shrink film reaches the base plate 305, the pressure block 302 immediately takes effect, pressing and limiting the shrink film. The operator adjusts the cutting size and length through the control panel 310, so that the pressure block 302 slides on the slide bar 301, moves the slitting knife 306 to the determined position, and controls the slitting knife 306 to slide horizontally to cut the shrink film. The cut shrink film is then wound onto the film winding roller 308 for winding and storage.

[0025] Through the above steps, the pressure block 302 slides on the slide rod 301, and the slitting position can be adjusted according to the slitting requirements. With the cooperation of the guide roller 303, the shrink film is guided to move. The pressure block 302 applies appropriate pressure to ensure that the film material remains taut and fixed in position during slitting, preventing it from shifting, loosening, or wrinkling. At the same time, it reduces friction between the film material and the equipment, extends the service life of the equipment, reduces maintenance costs, and improves the operating efficiency of the equipment, enabling faster and more stable slitting operations. This solves the problem that when the slitting device is used, the lack of a precise slitting device and the reliance on the guide roller to fix the shrink film can easily lead to left and right deviations, resulting in inaccurate slitting dimensions, inconsistent widths of the slitting shrink film, and affecting the dimensional accuracy of the product.

[0026] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A kind of adjustable speed precision slitting device of shrink film, including base (1), box door (2);Its characterized in that: It also includes a slitting component and a limiting component. The slitting component is installed on the top of the base (1), and the limiting component is provided on the left side of the base (1). The front end of the base (1) is hinged to a door (2). The slitting component includes a slide rod (301). The slide rod (301) is positioned opposite to the top of the base (1). A pressure block (302) is slidably connected to the outside of the slide rod (301), and two sets of pressure blocks (302) are positioned opposite to each other. A guide roller (303) is rotatably connected to the top of the base (1).

2. The adjustable speed precision slitting device for shrink film according to claim 1, characterized in that: The left and right ends of the slide bar (301) are provided with upright plates (304), and the upright plates (304) are located at the top of the base (1). The top of the base (1) is provided with a bottom plate (305), and the guide roller (303) is located on the left side of the bottom plate (305). The bottom end of the pressure block (302) is slidably connected with a slitting knife (306).

3. The adjustable speed precision slitting device for shrink film of claim 1, wherein: A vertical block (307) is installed opposite to the right side of the top of the base (1), and the vertical block (307) is located on the right side of the base plate (305). A film rolling roller (308) is connected between the vertical blocks (307). A guide block (309) is installed on the left side of the guide roller (303). A control screen (310) is provided on the right side of the top of the base (1), and the control screen (310) is located on the right side of the vertical block (307).

4. The adjustable-speed precision slitting device for shrink film according to claim 1, characterized in that: The limiting component includes a stand (401), which is located on the left side wall of the base (1). The front and rear ends of the stand (401) are provided with side plates (402), and the side plates (402) are rotatably connected by a rotating rod.

5. The adjustable-speed precision slitting device for shrink film according to claim 4, characterized in that: A first unwinding roller (403) is installed on the opposite side of the lower side plate (402), a second unwinding roller (404) is connected between the upper side plates (402), an adjusting cylinder (405) is rotatably connected to the back side of the side plate (402), and a fixing plate (406) is installed opposite to the top of the upright frame (401).

6. The adjustable-speed precision slitting device for shrink film according to claim 5, characterized in that: A guide roller (407) is connected between the fixed plates (406). A rubber tube (408) is sleeved on the outside of the guide roller (407). Fixed ears (409) are installed at both the front and rear ends of the upright frame (401), and the fixed ears (409) are located on the left side of the base (1).

7. The adjustable-speed precision slitting device for shrink film according to claim 4, characterized in that: A fixed block (410) with a groove is installed on the top of the base (1) near the side of the base (1), and a guide pressure roller (407) and a rubber tube (408) are connected between the fixed ear (409) and the fixed block (410).

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