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CN-224212089-U - Plastic film cuts device convenient to location

CN224212089UCN 224212089 UCN224212089 UCN 224212089UCN-224212089-U

Abstract

The utility model belongs to the technical field of plastic film slitting, in particular to a plastic film slitting device convenient to position, which comprises a base, wherein a positioning box is fixedly arranged in the center of the upper part of the base, a plurality of connecting rods are arranged in the positioning box in a crossed manner in the vertical direction, the adjacent positions of the connecting rods are all connected in a rotating manner through shafts, two sliding holes are sequentially formed in a box body on one side of the positioning box from top to bottom, a moving plate is slidably arranged on two sides in the upper sliding hole, a plurality of sliding blocks are slidably arranged in an array in the lower sliding hole, one end of each sliding block is fixedly connected with the shafts, a positioning seat is fixedly arranged at the other end of each sliding block, a groove is formed in one side of each positioning seat, a mounting hole is formed in the bottom of each positioning seat, a cutter seat is slidably arranged in each mounting hole, an annular cutter seat is rotatably arranged at the lower end of each cutter seat, and the cutter seat is in a structure through an adjustable positioning seat, so that accurate positioning and flexible adjustment of the slitting of the cutter blades are realized, and the slitting requirements of films with different widths are met.

Inventors

  • ZHU AIMEI
  • HUANG MEILAN
  • Hu Jianlai

Assignees

  • 南京友诚塑业有限公司

Dates

Publication Date
20260508
Application Date
20250617

Claims (6)

  1. 1. The utility model provides a plastic film cutting device convenient to location, its characterized in that includes base (1), slide hole has all been seted up in base (1) upper portion both sides, slide Kong Najun slidable mounting has slide (9), all be provided with compression roller (10) between slide (9) both ends, compression roller (10) both ends are all installed in slide (9) through the bearing rotation, slide bar (11) are all fixed mounting in slide (9) both ends upper portion, slide bar (11) upper end runs through base (1) and in it, slide bar (9) both ends upper portion all is provided with spring (12) suit on slide bar (11), all be provided with rotor roll (8) under compression roller (10) and rotate and install in base (1), base (1) upper portion central authorities fixed mounting has positioning box (16), the perpendicular direction in positioning box (16) is crossed and is provided with a plurality of connecting rods (17), connecting rod (17) adjacent position department all rotates through the axle and connects, positioning box (16) one side box upper portion is provided with spring (12) suit on slide bar (16) and is provided with two slide hole (19) in proper order, and slide hole is all set up in slide hole (19) are installed to slide hole in slide hole from top to bottom in slide hole, all set up in slide hole array (19), the utility model discloses a device for fixing a knife, including locating box (16), fixed box (21), blade holder (23) are installed in the fixed mounting, fixed box (16) both ends upper portion in, first cylinder (18) piston rod is all fixed connection on movable plate (19), slider (20) one end and axle fixed connection, and other end fixed mounting has locating seat (21), the groove has been seted up to locating seat (21) one side, and the mounting hole has been seted up to its bottom, and in the mounting hole sliding installation blade holder (23), the equal fixed mounting in top in locating seat (21) groove has second cylinder (22), second cylinder (22) piston rod fixed connection is at blade holder (23) top, annular blade (24) are installed in blade holder (23) lower extreme internal rotation.
  2. 2. The plastic film slitting device convenient to position according to claim 1, wherein the double-end screw rods (2) and the limiting rods (3) are arranged in the upper parts of the two ends of the base (1) in parallel, the two ends of the double-end screw rods (2) are rotatably mounted on the upper parts of the base (1) through bearings, the limiting rods (3) are fixedly mounted on the upper parts of the base (1), the two sides of the two ends of the base (1) are slidably provided with the supporting plates (4), the two sides of the lower end of the supporting plates (4) are provided with through holes, threaded grooves are formed in the through holes on one side, the two sides of the lower end of the supporting plate (4) are slidably mounted on the double-end screw rods (2) and the limiting rods (3) respectively, the first motors (6) are fixedly mounted on the same side of the two ends of the base (1), and one end of the double-end screw rods (2) is fixedly connected with a rotating shaft of the first motor (6), and an unreeling roller (5) is rotatably mounted between the two supporting plates (4) on the upper part of the base (1).
  3. 3. The plastic film slitting device convenient to position according to claim 2, wherein two winding rollers (27) are arranged in parallel in the vertical direction between two support plates (4) at the upper part of the other end of the base (1), one end of each winding roller (27) is rotatably arranged in one support plate (4) at one side of the upper part of the base (1), a driving wheel (28) is fixedly arranged through the support plate (4), the other end of each winding roller is slidably arranged in the support plate (4) at the other side of the upper part of the base (1), the driving wheels (28) are cooperatively rotated through a driving belt (29), a protective shell (30) is sleeved outside the driving wheel (28), the protective shell (30) is fixedly arranged outside the support plate (4), a third motor (31) is fixedly arranged outside the upper end of the protective shell (30), and a rotating shaft of the third motor (31) is fixedly connected with one end of each winding roller (27).
  4. 4. The plastic film slitting device convenient to position according to claim 1, wherein the guide roller (7) is fixedly arranged in one end of the base (1) close to the unreeling roller (5), two bidirectional air cylinders (25) are fixedly arranged outside two sides of the other end, two through holes are formed in two sides of the base (1), two tensioning rollers (26) are arranged in one end of the base (1) in parallel, and two ends of each tensioning roller (26) are slidably arranged in the through holes and fixedly connected with piston rods of the bidirectional air cylinders (25) in a penetrating mode.
  5. 5. The plastic film slitting device convenient to position according to claim 1, wherein a second motor (13) is fixedly arranged on one side of the base (1), a rotating shaft of the second motor (13) is fixedly connected with one end of the rotating roller (8), the other end of the rotating roller (8) penetrates through the base (1) and is fixedly provided with rotating wheels (14), and the rotating wheels (14) are matched to rotate through a rotating belt (15).
  6. 6. The plastic film slitting device convenient to position according to claim 1, wherein the first air cylinder (18), the second air cylinder (22), the bidirectional air cylinder (25), the first motor (6), the second motor (13) and the third motor (31) are all in linear connection with the control box through power lines, and the control box is used for controlling the start and stop of the control box.

Description

Plastic film cuts device convenient to location Technical Field The utility model relates to the technical field of plastic film slitting, in particular to a plastic film slitting device convenient to position. Background The plastic film is made of polyvinyl chloride, polyethylene, polypropylene and other resins, and is mainly used for packaging and film coating. Different kinds of plastic films have different characteristics such as toughness, moisture resistance, heat sealing property, transparency, glossiness, heat resistance, oil resistance, chemical stability, and the like. The plastic film slitting device mainly comprises an unreeling mechanism, a slitting mechanism, a reeling mechanism, a functional roller and the like. The raw materials are released through unreeling mechanism to ensure that the film is not deformed through constant tension control, the slitting mechanism utilizes a circular knife to realize cutting, and the reeling mechanism reels up the slit film through double air expansion shafts. In the cutting process of the conventional plastic film cutting device, the problems of large cutting width error, film wrinkling or breakage, low production efficiency and difficulty in adapting to flexible production requirements of films with different specifications are caused by the problems of low positioning precision of a cutter, non-adjustable film tension, fixed winding and unwinding reel distance and the like, so that the plastic film cutting device convenient to position is provided for solving the problems. Disclosure of utility model In order to overcome the defects of the prior art, the utility model provides a plastic film slitting device which is convenient to position and aims at solving the problems that in the slitting process of the prior plastic film slitting device provided in the background art, the cutter positioning accuracy is low, the film tension is not adjustable, the distance between winding and unwinding reels is fixed and the like, so that the slitting width error is large, the film is wrinkled or broken, the production efficiency is low, and the flexible production requirements of films with different specifications are difficult to adapt. The technical scheme adopted for solving the technical problems is as follows: the utility model discloses a plastic film slitting device convenient to position, which comprises a base, wherein slide holes are formed in two sides of the upper part of the base, slide plates are slidably arranged in the slide holes, compression rollers are arranged between two ends of the slide plates, two ends of each compression roller are rotatably arranged in the slide plates through bearings, slide rods are fixedly arranged on the upper parts of two ends of each slide plate, the upper ends of each slide rod penetrate through the base and slide in the slide rods, spring sleeves are arranged on the upper parts of the two ends of each slide plate, rotating rollers are arranged under each compression roller and rotatably arranged in the base, a positioning box is fixedly arranged in the center of the upper part of the base, a plurality of connecting rods are arranged in the positioning box in a crossing manner in the vertical direction, adjacent positions of the connecting rods are rotatably connected through shafts, two slide holes are sequentially formed in the box body on one side of the positioning box from top to bottom, the two sides in the upper sliding hole are both slidably provided with a moving plate, the lower sliding hole is internally provided with a plurality of sliding blocks in an array manner, the opposite ends of the moving plate are both internally provided with limiting holes, the upper shafts of the connecting rods are slidably arranged in the limiting holes, the upper parts in the two ends of the positioning box are both fixedly provided with first air cylinders, the piston rods of the first air cylinders are fixedly connected to the moving plate, one ends of the sliding blocks are fixedly connected with the shafts, the other ends of the sliding blocks are fixedly provided with positioning seats, one sides of the positioning seats are provided with grooves, the bottoms of the positioning seats are provided with mounting holes, the mounting holes are slidably provided with tool holders, the tops of the positioning seats are both fixedly provided with second air cylinders, the piston rods of the second air cylinders are fixedly connected to the tops of the tool holders, annular blades are rotatably arranged at the lower ends of the tool holders, and the connecting rods are connected in the positioning box in a cross manner through the positioning boxes The adjustable sliding block and the limiting hole are arranged, so that the quick positioning and flexible adjustment of the slitting tool are realized. Preferably, all parallel arrangement has double-end lead screw and gag lever post in base both ends upper portion, the double-en