Slitting device for PVC calendering film

By introducing an integrated support frame and alignment components into the PVC calendering film slitting device, and using components such as electric push rods and hydraulic cylinders to limit and clamp the calendered film, the bending problem of the calendered film during cutting is solved, and a high-quality cutting effect is achieved.

CN223643823UActive Publication Date: 2025-12-09XIONGXIAN PENGTONG PLASTIC PRODUCTS CO LTD
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Patent Information

Application Number
CN202520047221.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-09
Publication Date
2025-12-09
Estimated Expiration
2035-01-09

AI Technical Summary

Technical Problem

Existing PVC calendered film slitting equipment lacks effective limiting devices, which makes the calendered film prone to bending and folding during cutting, resulting in dimensional errors and shape changes, thus affecting product quality.

Method used

A slitting device was designed, which includes an integrated support frame, a processing component, and an alignment component. The device uses components such as a downward electric push rod, a hydraulic cylinder, and an electric push rod to bidirectionally limit and clamp the calendered film, ensuring that the film maintains linear motion during cutting. The device achieves steady cutting through the cooperation of the concave processing frame and the cutting blade.

Benefits of technology

It effectively avoids bending and dimensional deformation of the calendered film during cutting, ensuring the quality and dimensional accuracy of the cut products and improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a slitting device for a PVC calendering film, which is characterized in that a plurality of lower piezoelectric push rods are symmetrically and equidistantly clamped at the top end of an integrated support frame, a pressing outer convex plate is fixed at the bottom ends of the plurality of lower piezoelectric push rods, an anti-slip limiting strip is adhered to the bottom end of the pressing outer convex plate, a plurality of pressing hydraulic cylinders are equidistantly fixed at the top end of the integrated support frame, and the pressing hydraulic cylinders are fixed at the top end of the integrated support frame. According to the calendering film cutting device, a lower piezoelectric push rod drives a pressing outwards-protruding plate and an anti-skid limiting strip to clamp and limit the two sides of a calendering film at the cutting position, a pressing hydraulic cylinder drives a pressing cutting knife to move downwards to the inner side of the inwards-concave processing frame, the pressing outwards-protruding plate and the anti-skid limiting strip are arranged on the pressing hydraulic cylinder, and the inwards-concave processing frame is arranged on the inner side of the inwards-concave processing frame. By means of multi-section extrusion limiting, calendering film straightening treatment is achieved, size errors and shape changes caused by elasticity of the calendering film or synchronous movement of the calendering film and a cutting knife are reduced, and the quality of cut products is effectively guaranteed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to PVC calendering film production technical field, concretely is a kind of slitting device for PVC calendering film. BACKGROUND

[0002] PVC calendering film is a kind of film with polyvinyl chloride as main raw material, and is produced by calendering process, and PVC calendering film slitting refers to processing large roll PVC calendering film into smaller roll or sheet by slitting equipment, so as to facilitate subsequent use and processing, and PVC calendering film is widely used in packaging, building, advertising, home furnishing and other fields due to its excellent physical properties and chemical stability.

[0003] However, when calendering film is slitted, calendering film itself is prone to folding and bending, and existing equipment does not set effective limiting device, so that calendering film moves with cutting knife or itself appears elastic folding when cutting, which leads to size error or shape change of calendering film, greatly affecting product quality. UTILITY MODEL CONTENT

[0004] The utility model provides a kind of slitting device for PVC calendering film, can effectively solve the problem that now in calendering film slitting, calendering film itself is prone to folding and bending, and existing equipment does not set effective limiting device, so that calendering film moves with cutting knife or itself appears elastic folding when cutting, which leads to size error or shape change of calendering film, greatly affecting product quality.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of slitting device for PVC calendering film, including integrated support frame, the integrated support frame side end is provided with processing assembly, and the processing assembly includes down pressure electric push rod;

[0006] The integrated support frame top end is symmetrically connected with a plurality of down pressure electric push rods at equal intervals, and the bottom end of the plurality of down pressure electric push rods is fixed with compression outer convex plate, the bottom end of the compression outer convex plate is bonded with anti-skid limiting strip, the integrated support frame top end is fixed with a plurality of compression hydraulic cylinders at equal intervals, and the bottom end of the plurality of compression hydraulic cylinders is fixed with compression cutting knife, the bottom end of the integrated support frame is symmetrically connected with a plurality of alignment electric push rods at equal intervals, and the top end of the plurality of alignment electric push rods is installed with inner recess processing frame;

[0007] The inner recess processing frame side end is symmetrically connected with rolling fixed link, the inside one end of the integrated support frame is symmetrically installed with collection limiting box, the bottom end of the collection limiting box is connected with a plurality of lifting electric push rods at equal intervals, the top end of the lifting electric push rod is connected with lifting operating frame, and the side end of the lifting operating frame is rotatably connected with alignment fixed link.

[0008] According to the technical scheme, the longitudinal section of the pressing outer convex plate is L-shaped, and the inner concave processing frame is slidingly installed inside the integrated support frame.

[0009] According to the technical scheme, the lifting operation frame is slidingly sleeved inside the collection limiting box, and the pressing cutting knife has the same length as the inner concave processing frame.

[0010] According to the technical scheme, the pressing cutting knife is slidingly sleeved inside the integrated support frame, and the input ends of the downward pressing electric push rod, the pressing hydraulic cylinder, the alignment electric push rod and the lifting electric push rod are electrically connected with the output end of the external power supply.

[0011] According to the technical scheme, the integrated support frame is provided with an alignment assembly at the top end, and the alignment assembly comprises a movable electric sliding rail.

[0012] The integrated support frame is symmetrically provided with a movable electric sliding rail at the top end, a movable operation frame is installed at the top end of the movable electric sliding rail through a sliding rail seat, a rolling support rod is rotationally connected to the integrated support frame at a position corresponding to the movable operation frame, a downward moving electric push rod is symmetrically installed at the top end of the movable operation frame, a fixed processing frame is installed at the bottom end of the two downward moving electric push rods, and a pushing processing roller is rotationally connected to the side end of the fixed processing frame.

[0013] According to the technical scheme, the movable operation frame is slidingly sleeved with the rolling support rod, and the input ends of the movable electric sliding rail and the downward moving electric push rod are electrically connected with the output end of the external power supply.

[0014] Compared with the prior art, the utility model has the advantages that the structure is scientific and reasonable, and the use is safe and convenient.

[0015] 1、The processing assembly is provided, the inner concave processing frame is pushed upward by the alignment electric push rod, at this time, the rolling fixed rod contacts the calendered film, at the same time, the lifting electric push rod drives the lifting operation frame and the alignment fixed rod to move downward along the collection limiting box, the calendered film is moved in two directions by the inner concave processing frame and the alignment fixed rod, the calendered film is stretched straight, bending and folding of the calendered film is avoided, size change during cutting is avoided, the pressing outer convex plate and the anti-skid limiting strip are driven by the downward pressing electric push rod to clamp and limit the two sides of the calendered film at the cutting position, the pressing cutting knife is driven by the pressing hydraulic cylinder to move downward to the inside of the inner concave processing frame, the calendered film is stretched straight by multi-stage extrusion limiting, size error and shape change caused by elasticity of the calendered film or synchronous movement with the cutting knife are avoided, and the quality of the cutting product is effectively ensured.

[0016] 2, the setting has the alignment assembly, by the mobile electric slide rail drives the mobile operation frame to clamp the limit of both sides of the calendering film, so that when the calendering film feed can limit its in and out direction and the place of placement, avoid its deviation and separation, by the lower moving electric push rod drives the fixed processing frame and the pushing processing roller to press together to the top end of the calendering film, the rolling support rod and the pushing processing roller are used for limiting the rolling clamping of the side end of the calendering film, realize the in and out feed limiting processing of the calendering film, ensure the accuracy of its in and out feed alignment, improve the alignment efficiency of product production. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are included to provide a further understanding of the present application, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present application and serve to explain the present application, and do not constitute a limitation on the present application.

[0018] In the drawings:

[0019] Figure 1 is the three-dimensional structure schematic diagram of the present application;

[0020] Figure 2 is the structure schematic diagram of the processing assembly of the present application;

[0021] Figure 3 is the installation structure schematic diagram of the alignment electric push rod of the present application;

[0022] Figure 4 is the structure schematic diagram of the alignment assembly of the present application;

[0023] Reference numerals in the drawings: 1, integrated support frame;

[0024] 2, processing assembly; 201, lower pressing electric push rod; 202, pressing outer convex plate; 203, anti-skid limiting strip; 204, pressing hydraulic cylinder; 205, pressing cutting knife; 206, alignment electric push rod; 207, inner concave processing frame; 208, rolling fixed rod; 209, collection limiting box; 210, lifting electric push rod; 211, lifting operation frame; 212, alignment fixed rod;

[0025] 3, alignment assembly; 301, mobile electric slide rail; 302, mobile operation frame; 303, rolling support rod; 304, lower moving electric push rod; 305, fixed processing frame; 306, pushing processing roller. DETAILED DESCRIPTION

[0026] The preferred embodiments of the present application are described below in conjunction with the accompanying drawings, and it should be understood that the preferred embodiments described herein are only used to illustrate and explain the present application, and do not limit the present application.

[0027] Embodiment: as Figures 1-4The utility model provides a technical scheme, a slitting device for PVC calendering film, including integrated support frame 1, integrated support frame 1 side end is provided with processing assembly 2, processing assembly 2 includes down pressure electric push rod 201, compression outer convex plate 202, antiskid limiting strip 203, compression hydraulic cylinder 204, compression cutting knife 205, alignment electric push rod 206, inner recess processing frame 207, rolling fixed link 208, collection limiting box 209, lifting electric push rod 210, lifting operation frame 211 and alignment fixed link 212,

[0028] Integrated support frame 1 top end symmetry equidistance clamping has a plurality of down pressure electric push rod 201, a plurality of down pressure electric push rod 201 bottom fixed compression outer convex plate 202, the longitudinal section of compression outer convex plate 202 is L type, realizes steady alignment clamping, guarantees the stability of limiting, compression outer convex plate 202 bottom bonding has antiskid limiting strip 203, integrated support frame 1 top end equidistance fixed has a plurality of compression hydraulic cylinder 204, a plurality of compression hydraulic cylinder 204 bottom fixed compression cutting knife 205, and the length of compression cutting knife 205 is equal to the length of inner recess processing frame 207, realizes steady cutting alignment, integrated support frame 1 bottom equidistance clamping has a plurality of alignment electric push rod 206, a plurality of alignment electric push rod 206 top end mounting has inner recess processing frame 207, and inner recess processing frame 207 sliding installation is in integrated support frame 1 inboard, and compression cutting knife 205 sliding sleeve joint is in integrated support frame 1 inboard, so that when cutting processing can steady alignment operation, guarantee the stability of limiting linkage;

[0029] Inner recess processing frame 207 side end symmetry rotary joint has rolling fixed link 208, integrated support frame 1 inboard one end symmetry mounting has collection limiting box 209, and collection limiting box 209 bottom equidistance clamping has a plurality of lifting electric push rod 210, and lifting electric push rod 210 top end clamping has lifting operation frame 211, and lifting operation frame 211 sliding sleeve joint is in collection limiting box 209 inboard, realizes steady alignment operation, improves steady processing of sliding support and sliding alignment, and lifting operation frame 211 side end rotary joint has alignment fixed link 212.

[0030] In order to the stable operation of equipment, the input end of down pressure electric push rod 201, compression hydraulic cylinder 204, alignment electric push rod 206 and lifting electric push rod 210 is electrically connected with the output end of external power supply.

[0031] Integrated support frame 1 top end is provided with alignment assembly 3, and alignment assembly 3 includes mobile electric slide rail 301, mobile operation frame 302, rolling support rod 303, down-moving electric push rod 304, fixed processing frame 305 and push processing roller 306;

[0032] The top end of the integrated support frame 1 is symmetrically provided with a movable electric slide rail 301, the top end of the movable electric slide rail 301 is provided with a movable operation frame 302 through a slide rail seat, the movable operation frame 302 is slidably sleeved with a rolling support rod 303, so that the operation can be stable when moving and supporting, the top end of the integrated support frame 1 is rotatably connected with the rolling support rod 303 at the position of the movable operation frame 302, the top end of the movable operation frame 302 is symmetrically provided with a lower movable electric push rod 304, the bottom end of the two lower movable electric push rods 304 is provided with a fixed treatment frame 305, the side end of the fixed treatment frame 305 is rotatably connected with a pushing treatment roller 306, in order to realize stable operation of the equipment, the input end of the movable electric slide rail 301 and the lower movable electric push rod 304 are electrically connected with the output end of an external power supply.

[0033] The working principle and use process of the utility model are as follows: when the PVC calendering film is cut, the calendering film is placed at the side end of the rolling support rod 303 at the position of the integrated support frame 1, the movable operation frame 302 is driven by the movable electric slide rail 301 to move along the rolling support rod 303, the two sides of the calendering film are clamped and limited, the calendering film is moved into the side end of the lifting operation frame 211 of the collecting limiting box 209 through the external traction equipment, then the calendering film is moved into the middle part of the integrated support frame 1, then the calendering film is moved into the collecting limiting box 209 and the rolling support rod 303 again, after the placement is completed, the fixed treatment frame 305 and the pushing treatment roller 306 are pressed to the top end of the calendering film by the lower movable electric push rod 304, the side end of the calendering film is limited and rolled by the rolling support rod 303 and the pushing treatment roller 306, and the feeding and discharging limiting treatment of the calendering film is realized.

[0034] When cutting, the inner recess treatment frame 207 is pushed upward by the alignment electric push rod 206, at this time, the rolling fixed rod 208 is in contact with the calendering film, when the calendering film is lifted by the inner recess treatment frame 207, the lifting operation frame 211 and the alignment fixed rod 212 are driven by the lifting electric push rod 210 to move downward along the collecting limiting box 209, the calendering film is pushed to move in two directions by the inner recess treatment frame 207 and the alignment fixed rod 212, the calendering film is straightened, so that the size change during cutting is avoided, at the same time, the two sides of the calendering film at the cutting position are clamped and limited by the pressing outer convex plate 202 and the anti-skid limiting strip 203 driven by the lower pressing electric push rod 201, the pressing cutting knife 205 is driven by the pressing hydraulic cylinder 204 to move downward to the inner side of the inner recess treatment frame 207, and the cutting treatment is realized, so that the cutting quality is guaranteed.

[0035] Finally, it should be noted that: the above is only the preferred examples of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A slitting device for PVC calendered film, comprising an integrated support frame (1), characterized in that: The integrated support frame (1) is provided with a processing component (2) on its side, the processing component (2) including a downward electric push rod (201); The integrated support frame (1) has several downward electric push rods (201) symmetrically and equidistantly connected to its top end. The bottom ends of the multiple downward electric push rods (201) are fixed with pressing outer protrusion plates (202). The bottom ends of the pressing outer protrusion plates (202) are bonded with anti-slip limiting strips (203). The integrated support frame (1) has several pressing hydraulic cylinders (204) equidistantly fixed to its top end. The bottom ends of the multiple pressing hydraulic cylinders (204) are fixed with pressing cutting blades (205). The bottom ends of the integrated support frame (1) have several alignment electric push rods (206) equidistantly connected to its bottom end. The top ends of the multiple alignment electric push rods (206) are equipped with concave processing frames (207). The concave processing frame (207) is symmetrically rotatably connected to a rolling fixing rod (208) on its side end. The integrated support frame (1) is symmetrically installed with a collection limiting box (209) on one side end. The bottom end of the collection limiting box (209) is equidistantly connected with several lifting electric push rods (210). The top end of the lifting electric push rod (210) is connected with a lifting operation frame (211). The side end of the lifting operation frame (211) is rotatably connected with an alignment fixing rod (212).

2. The slitting device for PVC calendered film according to claim 1, characterized in that, The longitudinal section of the pressed outward convex plate (202) is L-shaped, and the inward concave processing frame (207) is slidably installed on the inner side of the integrated support frame (1).

3. A slitting device for PVC calendered film according to claim 1, characterized in that, The lifting operation frame (211) is slidably sleeved inside the collection limit box (209), and the length of the pressing and cutting blade (205) is equal to the length of the concave processing frame (207).

4. A slitting device for PVC calendered film according to claim 1, characterized in that, The pressing and cutting blade (205) is slidably sleeved on the inner side of the integrated support frame (1). The input ends of the pressing electric push rod (201), the pressing hydraulic cylinder (204), the alignment electric push rod (206), and the lifting electric push rod (210) are all electrically connected to the output end of the external power supply.

5. A slitting device for PVC calendered film according to claim 1, characterized in that, The integrated support frame (1) is provided with an alignment component (3) at its top, and the alignment component (3) includes a movable electric slide rail (301); The integrated support frame (1) is symmetrically equipped with a movable electric slide rail (301) at its top end. The movable electric slide rail (301) is equipped with a movable operating frame (302) at its top end via a slide rail seat. The integrated support frame (1) is rotatably connected to a rolling support rod (303) at the position corresponding to the movable operating frame (302) at its top end. The movable operating frame (302) is symmetrically equipped with a downward electric push rod (304) at its top end. The two downward electric push rods (304) are equipped with a fixed processing frame (305) at their bottom ends. The fixed processing frame (305) is rotatably connected to a pushing processing roller (306) at its side end.

6. A slitting device for PVC calendered film according to claim 5, characterized in that, The movable operating frame (302) is slidably fitted with the rolling support rod (303), and the input ends of the movable electric slide rail (301) and the downward electric push rod (304) are electrically connected to the output end of the external power supply.