Spacing adjusting mechanism for polyethylene film cutting

Abstract

The utility model relates to the technical field of film cutting, and discloses a spacing adjusting mechanism for polyethylene film cutting, which comprises a cutting roller and a cutting blade arranged on the outer side surface of the cutting roller, the outer wall surface of the cutting roller is in sliding connection with a mounting sliding ring, and a positioning mechanism is arranged on the mounting sliding ring. The positioning mechanism comprises two positioning rubber rings symmetrically arranged on the left side and the right side of the cutting blade, an adjusting threaded rod in a horizontal state is fixedly installed in the middle of an inner cavity of the cutting roller, and the outer side of the adjusting threaded rod is sleeved with a mounting plate corresponding to the mounting sliding rings in position. An adjusting mechanism for driving the mounting sliding ring to move left and right is arranged on the mounting plate; and the adjusting mechanism comprises an adjusting threaded sleeve rotationally connected with the middle part of the mounting plate and an adjusting worm rotationally connected with the rear side position of the left wall surface of the mounting plate. By arranging the adjusting mechanism, the distance between the cutting blades can be conveniently adjusted by the equipment, and the use convenience of the equipment is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a film cutting technical field especially relates to a spacing adjustment mechanism for polyethylene film cutting. BACKGROUND

[0002] Through the retrieval application number 202020649007.7 disclosed plastic film cutting device, including the processing platform, the upper end outer surface of processing platform is provided with the support frame, the rear end outer surface of support frame is provided with motor, the inside surface of motor is provided with winding rod, the outside surface of winding rod is provided with film, the upper end outer surface of processing platform is provided with fixed frame, the inside surface of fixed frame is provided with rotating roll, the outside surface of rotating roll is provided with rotating frame, the inside of rotating frame is close to the lower side of rotating roll and is provided with first fixed hole.

[0003] The plastic film cutting device in the patent application is used in the process, by using the fixed pin to penetrate the inside of the first fixed hole and the second fixed hole, to achieve the purpose of lifting the rotating frame, so that the roller and the cutter are lifted away from the upper end of the processing platform, and the lower group of films is convenient to replace, but in the process of using in this way, the position of the plurality of cutters on the roller of the equipment is fixed, it is inconvenient to adjust the spacing of the plurality of cutters to meet different processing requirements, and the structure of the equipment for pressing the film makes the film cutting prone to position deviation, which affects the processing quality of the equipment, and reduces the practicability of the equipment, therefore, we put forward a spacing adjustment mechanism for polyethylene film cutting. UTILITY MODEL CONTENTS

[0004] The utility model mainly solves the technical problem existing in the prior art, and provides a spacing adjustment mechanism for polyethylene film cutting.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme, a spacing adjustment mechanism for polyethylene film cutting, including cutting roller and cutting blade arranged on the outer side surface of cutting roller, the outer wall surface of cutting roller is slidably connected with mounting slip ring, the cutting blade is fixedly installed at the middle position of the circumferential outer side wall surface of mounting slip ring, the mounting slip ring is provided with positioning mechanism, the positioning mechanism includes two positioning rubber rings symmetrically arranged at the left and right sides of cutting blade, three linear grooves are uniformly distributed and penetrated in the circumferential side wall surface of the inner cavity of cutting roller, the adjusting screw rod in the horizontal state is fixedly installed in the middle part of the inner cavity of cutting roller, the adjusting screw rod is provided with the mounting plate corresponding to the position of mounting slip ring, the mounting plate is provided with the adjusting mechanism adjusting mechanism that moves mounting slip ring left and right, and the adjusting mechanism adjusting mechanism includes the adjusting screw sleeve rotationally connected with the middle part of mounting plate and the adjusting worm rotationally connected with the rear position of the left wall surface of mounting plate.

[0006] Further, the center positions of the left and right side wall surfaces of the cutting roller are provided with mounting shafts.

[0007] Furthermore, the inner sides of the two positioning rubber rings are fixedly connected to the left and right edge positions of the circumferential outer wall of the mounting slip ring respectively.

[0008] Furthermore, three limiting sliding blocks are fixedly connected between the outer wall surface of the mounting plate and the inner wall surface of the mounting slip ring and are slidably connected to the inside of the three linear through grooves.

[0009] Furthermore, the adjusting threaded sleeve is threadedly connected to the outer wall surface of the adjusting threaded rod at a corresponding position.

[0010] Furthermore, an adjusting worm wheel meshing with the adjusting worm is fixedly mounted on the front end of the outer wall of the adjusting threaded sleeve.

[0011] Furthermore, an adjusting rotating rod is fixedly mounted on the top end of the adjusting worm.

[0012] Furthermore, the top end of the adjusting rotating rod passes through the linear through slot located at the upper position and extends to the outside.

[0013] Furthermore, the top end of the adjusting rotating rod is lower than the top end of the cutting blade.

[0014] The utility model provides a spacing adjustment mechanism for cutting polyethylene films, which has the following beneficial effects:

[0015] 1. A spacing adjustment mechanism for cutting polyethylene film, by providing an adjustment mechanism, when it is necessary to adjust the spacing of the cutting blades on the cutting drum, the adjusting rotating rod is rotated to drive the adjusting worm to rotate, forcing the adjusting worm gear engaged with the adjusting worm to drive the adjusting threaded sleeve to rotate. Since the adjusting threaded rod is fixedly installed in the inner cavity of the cutting drum to maintain a fixed position, the adjusting threaded sleeve engaged with the adjusting threaded rod is forced to drive the mounting plate to move left and right along the inner cavity of the cutting drum for position adjustment along the outer surface of the adjusting threaded rod. The mounting plate drives the mounting slip ring and the cutting blade to move left and right along the outer wall surface of the cutting drum through the limit slider to adjust the position, so that the equipment can adjust the spacing of the cutting blades to meet different processing requirements. In this process, the limit slider forms a limit guide for the mounting plate and the mounting slip ring left and right by slidingly connecting with the inner cavity of the linear through groove, so that the mounting plate and the mounting slip ring can move smoothly left and right, thereby improving the stability of the equipment structure. The above operation is simple and practical, the structure is reasonable and compact, and the equipment can realize convenient adjustment operation of the cutting blade spacing, thereby improving the convenience of use of the equipment.

[0016] 2. This spacing adjustment mechanism for polyethylene film cutting is equipped with a positioning mechanism. When the cutting drum rotates to drive the cutting blade to contact the film for cutting, the two positioning rubber rings respectively contact and press the two ends of the cutting position of the film to avoid position displacement of the film during the cutting process, thereby improving the cutting quality of the film by the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The structures, proportions, sizes, etc. depicted in this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the conditions under which the utility model can be implemented, and therefore have no substantive technical significance.

[0018] Fig. 1 This is a schematic structural diagram of the spacing adjustment mechanism for cutting polyethylene film of the present utility model;

[0019] Fig. 2 This is a cross-sectional view of the spacing adjustment mechanism for cutting polyethylene film of the present utility model;

[0020] Fig. 3 This is an exploded view of the adjustment mechanism of the utility model.

[0021] Legend:

[0022] 10. Cutting drum; 11. Installing shaft; 12. Installing slip ring; 13. Cutting blade; 14. Positioning rubber ring; 15. Linear groove; 16. Adjusting threaded rod; 17. Adjusting threaded sleeve; 18. Mounting plate; 19. Limiting slider; 20. Adjusting worm; 21. Adjusting worm wheel; 22. Adjusting rotating rod. DETAILED DESCRIPTION

[0023] A spacing adjustment mechanism for cutting polyethylene film, such as Figs. 1-3As shown, it includes a cutting drum 10 and a cutting blade 13 arranged on the outer surface of the cutting drum 10, and a mounting shaft 11 is provided at the center position of the left and right side walls of the cutting drum 10. The outer wall of the cutting drum 10 is slidably connected with a mounting slip ring 12, and the cutting blade 13 is fixedly installed at the middle position of the circumferential outer wall of the mounting slip ring 12. A positioning mechanism is provided on the mounting slip ring 12, and the positioning mechanism includes two positioning rubber rings 14 symmetrically arranged on the left and right sides of the cutting blade 13. The outer diameters of the two positioning rubber rings 14 are slightly larger than the outer diameter of the cutting blade 13. The inner sides of the two positioning rubber rings 14 are fixedly connected to the left and right edge positions of the circumferential outer wall of the mounting slip ring 12 respectively. Three linear through grooves 15 are evenly distributed and penetrated on the circumferential side wall of the inner cavity of the cutting drum 10. A horizontal adjusting threaded rod 16 is fixedly installed in the middle of the inner cavity of the cutting drum 10. The outer side of the adjusting threaded rod 16 The side sleeve is provided with a mounting plate 18 corresponding to the position of the mounting slip ring 12, and three limit sliders 19 are fixedly connected between the outer wall surface of the mounting plate 18 and the inner wall surface of the mounting slip ring 12 and are slidably connected to the three linear through grooves 15. The mounting plate 18 is provided with an adjustment mechanism for driving the mounting slip ring 12 to move left and right, including an adjusting threaded sleeve 17 rotatably connected to the middle part of the mounting plate 18 and an adjusting worm 20 rotatably connected to the rear position of the left wall surface of the mounting plate 18. The adjusting threaded sleeve 17 is threadedly connected to the corresponding position of the outer wall surface of the adjusting threaded rod 16, and an adjusting worm wheel 21 meshing with the adjusting worm 20 is fixedly installed at the front end of the outer wall of the adjusting threaded sleeve 17. The top of the adjusting worm 20 is fixedly installed with an adjusting rotating rod 22, and the top of the adjusting rotating rod 22 extends through the interior of the linear through groove 15 located at the upper position to the outside, and the top position height of the adjusting rotating rod 22 is lower than the top position height of the cutting blade 13.

[0024] The working principle of the present utility model is as follows: when it is necessary to adjust the spacing of the cutting blades 13 on the cutting drum 10, the adjusting rotating rod 22 is rotated to drive the adjusting worm 20 to rotate, forcing the adjusting worm wheel 21 engaged with the adjusting worm 20 to drive the adjusting threaded sleeve 17 to rotate. Since the adjusting threaded rod 16 is fixedly installed in the inner cavity of the cutting drum 10 to maintain a fixed position, the adjusting threaded sleeve 17 engaged with the adjusting threaded rod 16 is forced to drive the mounting plate 18 to move left and right along the inner cavity of the cutting drum 10 along the outer surface of the adjusting threaded rod 16 to adjust the position. The mounting plate 18 drives the mounting slip ring 12 and the cutting blade 13 to move left and right along the outer wall of the cutting drum 10 through the limiting slider 19 to adjust the position, so that the device can adjust the spacing of the cutting blades 13. Adjustment can be made to meet different processing requirements. During this process, the limiting slider 19 forms a limiting guide for the mounting plate 18 and the mounting slip ring 12 left and right by slidingly connecting with the inner cavity of the linear through groove 15, so that the mounting plate 18 and the mounting slip ring 12 can move left and right smoothly, thereby improving the stability of the device structure. The above operation is simple and practical, and the structure is reasonable and compact, which enables the device to conveniently adjust the spacing between the cutting blades 13, thereby improving the convenience of using the device; when the cutting roller 10 rotates to drive the cutting blade 13 to contact the film for cutting operation, the two positioning rubber rings 14 are respectively in contact and pressed with the two ends of the cutting position of the film to avoid position displacement of the film during the cutting process, thereby improving the cutting quality of the film by the device.

[0025] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements shall fall within the scope of the present invention as claimed.

Claims

1. A spacing adjustment mechanism for cutting polyethylene film, comprising a cutting drum (10) and a cutting blade (13) arranged on the outer surface of the cutting drum (10), characterized in that: The outer wall of the cutting drum (10) is slidably connected to a mounting slip ring (12), and the cutting blade (13) is fixedly installed at the middle position of the circumferential outer wall of the mounting slip ring (12). The mounting slip ring (12) is provided with a positioning mechanism, which includes two positioning rubber rings (14) symmetrically arranged at the left and right sides of the cutting blade (13). Three linear through grooves (15) are evenly distributed and penetrated through the circumferential side wall of the inner cavity of the cutting drum (10). A horizontal adjusting threaded rod (16) is fixedly installed in the middle of the inner cavity of the cutting drum (10). The outer side of the adjusting threaded rod (16) is provided with a mounting plate (18) corresponding to the position of the mounting slip ring (12). The mounting plate (18) is provided with an adjusting mechanism for driving the mounting slip ring (12) to move left and right. The adjusting mechanism includes an adjusting threaded sleeve (17) rotatably connected to the middle of the mounting plate (18) and an adjusting worm (20) rotatably connected to the rear side of the left wall of the mounting plate (18).

2. The spacing adjustment mechanism for cutting polyethylene film according to claim 1, characterized in that: Mounting shafts (11) are provided at the center positions of the left and right side walls of the cutting drum (10).

3. The spacing adjustment mechanism for cutting polyethylene film according to claim 1, characterized in that: The inner sides of the two positioning rubber rings (14) are respectively fixedly connected to the left and right edge positions of the circumferential outer wall surface of the installation slip ring (12).

4. The spacing adjustment mechanism for cutting polyethylene film according to claim 1, characterized in that: Three limiting sliders (19) are fixedly connected between the outer wall surface of the mounting plate (18) and the inner wall surface of the mounting slip ring (12) and are slidably connected to the inside of the three linear through grooves (15).

5. The spacing adjustment mechanism for cutting polyethylene film according to claim 1, characterized in that: The adjusting threaded sleeve (17) is threadedly connected to the outer wall surface of the adjusting threaded rod (16) at a corresponding position, and an adjusting worm wheel (21) meshing with the adjusting worm (20) is fixedly mounted on the front end of the outer wall of the adjusting threaded sleeve (17).

6. The spacing adjustment mechanism for cutting polyethylene film according to claim 1, characterized in that: An adjusting rotating rod (22) is fixedly mounted on the top end of the adjusting worm (20), and the top end of the adjusting rotating rod (22) extends through the interior of the linear through slot (15) located at the upper position to the outside, and the top end of the adjusting rotating rod (22) is lower than the top end of the cutting blade (13).

Images