WO2020177205A1 - 带吹转功能的牵引收卷机剪辊装置 - Google Patents

带吹转功能的牵引收卷机剪辊装置 Download PDF

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Publication number
WO2020177205A1
WO2020177205A1 PCT/CN2019/085002 CN2019085002W WO2020177205A1 WO 2020177205 A1 WO2020177205 A1 WO 2020177205A1 CN 2019085002 W CN2019085002 W CN 2019085002W WO 2020177205 A1 WO2020177205 A1 WO 2020177205A1
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WIPO (PCT)
Prior art keywords
roller
blowing
support
film
screw rod
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PCT/CN2019/085002
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English (en)
French (fr)
Inventor
马云华
冯勇刚
王林
谭海疆
张书红
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桂林电器科学研究院有限公司
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Publication of WO2020177205A1 publication Critical patent/WO2020177205A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers

Definitions

  • the invention relates to the technical field of plastic film production, in particular to a shearing roller device of a traction winder with a blowing and rotating function.
  • the plastic film After the plastic film is stretched, it enters the tractor for further cooling and shaping, and then it is wound on the winding core of the winder to complete the film forming process.
  • the distance between the transverse stretcher and the tractor, and the distance between the tractor and the winder is relatively long. Under the action of the pulling tension and tensile stress, the film will meet between two devices or two rollers of the same device. There are some longitudinal wrinkles, the greater the spatial distance, the more serious the wrinkles. If these wrinkles are not removed in time, the product will be wrinkled, the thickness of the film will be measured inaccurately, and the winder will hold ribs and cannot wind up normally. At this time, it is necessary to install shear rollers to eliminate such problems.
  • Shear rolls are installed on the two edges of the film, with one set on each side.
  • Each group consists of two short rollers.
  • One roller is placed under the film channel and the other is placed above the film.
  • the axes of the two rollers are parallel to each other and maintain a certain included angle with the vertical direction of the film. It can be adjusted arbitrarily).
  • the two rollers are pressed against each other, and the rollers are driven by the film to rotate, and the transverse expansion tension is generated on both sides of the film, so as to realize the purpose of spreading the film.
  • the outer edges of the two rollers are made of metal or rubber, and the roller shaft is equipped with rolling bearings. The lateral distance of the two sets of shear rollers can be adjusted manually according to the film width. However, during production, the movement of the film and the shearing roller will not be synchronized on the production line.
  • CN206154711U discloses an edge pressing and shearing roller mechanism for pressing the edge of the film after trimming, including a rail beam, upper and lower shearing roller assemblies installed on the top and bottom of the rail beam, and the upper shearing roller
  • the assembly includes a cylinder base, a swing arm cylinder, an upper bracket and an upper shear roller.
  • the cylinder base is installed on the top of the guide rail beam.
  • the rotating shaft of the swing arm cylinder is connected to the upper part of the L-shaped upper bracket.
  • the lower part of the upper bracket has a horizontal upper support.
  • the upper shearing roller is installed on the upper supporting shaft for rotation;
  • the lower shearing roller assembly includes a cylinder seat, a rotating arm cylinder, a lower bracket and a lower shearing roller.
  • the cylinder seat is installed at the bottom of the rail beam, and the rotating shaft of the rotating arm cylinder is in an L shape.
  • the lower part of the lower bracket is connected, the upper part of the lower bracket has a horizontal lower support shaft, and the lower shear roller is installed on the lower support shaft to rotate.
  • the rotary arm cylinder drives the upper support and the lower support to rotate along the center line of the shaft, so that the upper shear roller and the lower Shear rolls nip the film or loosen the film.
  • the purpose of the present invention is to provide a traction winder shearing roller device with a blowing and rotating function, which has a simple structure and solves the problem that the movement of the plastic film or plastic sheet is not synchronized with the rotation of the roller.
  • a traction winder shearing roller device with blowing function symmetrically arranged on both sides of the film width direction and connected to the film, and on both sides of the film width direction At least one shearing roller device is provided for each;
  • the shearing roller device includes a support rod, a sliding seat, a roller set device and a blowing device;
  • the support rod is fixedly connected to the frame of the traction winder along the width direction of the film, and the support rod is perpendicular to the running direction of the film on the traction winder; the sliding seat is installed on the support rod, and the sliding seat has a sliding seat in the length direction of the support rod.
  • the roller set device is installed on a sliding seat, and includes a fixed roller and a swinging roller that are parallel and correspondingly arranged on both sides of the film thickness direction, and the fixed roller and the swinging roller are arranged at intervals in a web structure; the roller set device Used to clamp the film;
  • the blowing and rotating devices are respectively arranged on the fixed roller and the swinging roller, and are used for blowing the side webs of the fixed roller and the swinging roller to make the fixed roller and the swinging roller rotate.
  • the roller set device further includes a support, a rotating cylinder, and a swing arm; the support and the upper part of the sliding seat are positioned and connected by a positioning shaft, and the support has the freedom to rotate around the positioning shaft; the support is away from the support
  • the side surface of the rod end is provided with a first supporting shaft and a first bearing adapted to the first supporting shaft; the first supporting shaft is parallel to the film plane, the first bearing is connected to the fixed roller mandrel, and the fixed roller has a winding The degree of freedom of rotation of the first axis; the fixed roller abuts against the lower surface of the film;
  • the rotating cylinder is arranged on the support, and the rotating cylinder is connected to the swing arm; one end of the swing arm is connected to the rotating shaft of the rotating cylinder, and the other end is connected with a second supporting shaft and a second supporting shaft adapted to a second bearing;
  • the second supporting shaft is arranged on the upper part of the first supporting shaft and is parallel to the first supporting shaft;
  • the second bearing is connected to the central axis of the swinging roller, and the swinging roller has a degree of freedom to rotate around the second supporting shaft;
  • Correspondingly abut on the upper surface of the film; the fixed roller and the swing roller are correspondingly abutted to eliminate longitudinal wrinkles caused by the operation of the film.
  • the sliding seat is further provided with a supporting seat adjusting device, which includes a first screw rod fixedly connected to the top of the sliding seat and an adjusting nut connected to the supporting seat; the adjusting nut is sleeved on the first The screw rod is threaded to the first screw rod; the rotation of the first screw rod drives the adjustment nut to move along the axial direction of the first screw rod, and then drives the support to rotate around the fixed shaft, so that the first shaft and the second shaft
  • the common plane of the supporting shafts forms an angle with the direction perpendicular to the surface of the film; the angle is conducive to the horizontal tensioning effect of the fixed roller and the swinging roller on the film, so that the film will not appear horizontal wrinkles during operation.
  • the blowing device includes a compressed air source, a first blowing pipe and a second blowing pipe;
  • One end of the first blowing tube is connected to the first supporting shaft, and the other end is connected to the compressed air source; the end of the first blowing tube connected to the first supporting shaft is set in a first bending structure, and the end of the first bending structure
  • the opening of the second blowing tube faces the side web of the fixed roller; one end of the second blowing tube is connected to the second supporting shaft, and the other end is connected to a compressed air source; the end of the second blowing tube connected to the second supporting shaft is set as a second bending Structure, the end opening of the second bending structure faces the lateral web of the swinging roller; the blowing pipe applies force to the fixed roller and the swinging roller to promote the fixed roller and the swinging roller to achieve the effect of pre-rotating relative to the film operation.
  • the direction of the force of the wind from the first blow pipe on the fixed roller is opposite to the direction of the force of the wind from the second blow pipe on the fixed roller; the direction of the force is opposite to the direction of rotation of the fixed roller and the swing roller On the contrary, it satisfies the operation effect of the two rollers during the subsequent film transfer; and in order to ensure the transmission of the wind direction of the blowpipe, increase the force area of the web on the side of the roller, and set the end openings of the first bending structure and the second bending structure to an acute angle Inclined opening structure.
  • a distance adjusting device is connected to the bottom of the sliding seat, the distance adjusting device includes a second screw rod, a nut, and a sliding block;
  • the sliding seat is provided with a through hole adapted to the support rod, and the through hole sleeve Set on the support rod;
  • the support rod is set in an axial hollow structure, the hollow structure is provided with a third bearing at both ends, the second screw rod is fixedly installed in the hollow structure through the third bearing, and the second screw rod The length is greater than the length of the pole;
  • the nut is sleeved on the second screw rod and is threaded to fit the second screw rod; the end of the second screw rod close to the end of the support rod is equipped with a hand wheel, and the hand wheel is used to rotate the second screw rod;
  • the side wall of the support rod is provided with a sliding groove along the length direction of the support rod, the sliding block is clamped in the sliding groove, and one end of the sliding block abuts against the nut, and the other end is connected to the sliding seat; the hand wheel drives the second The screw rod rotates to drive the nut which is threaded to the second screw rod to move along the axial direction of the second screw rod.
  • the movement of the nut drives the sliding block and the sliding seat connected with the sliding block to move along the sliding groove; the pitch adjusting device contributes to the present invention
  • the shearing roller device is suitable for film production lines of different sizes and widths, which improves the practicability of the present invention.
  • the support is also provided with a pressure adjustment device, one end of the pressure adjustment device is connected to the support, the other end abuts against the swing arm, the pressure adjustment device is used to buffer and adjust the swing of the swing arm to drive the swing roller to the film pressure.
  • the shearing roller device of the traction winder with blowing and rotating function disclosed by the present invention has simple structure and convenient operation. It includes a support rod, a sliding seat sleeved on the support rod, a roller group device installed on the sliding seat, and a roller
  • the blowing device that rotates the fixed roller and the swing roller in advance; specifically, the blowing device uses compressed air to output and converts internal energy into mechanical energy to make the shearing roller rotate in advance relative to the film, thereby eliminating the problem of film and rollers.
  • Asynchronous rotation causes film scratches and reduces the impact on the apparent quality of the film; and in the present invention, a pitch adjustment device is arranged inside the support rod, and the pitch adjustment device can adjust the distance between the shearing roller devices on both sides of the film, so that the shearing roller
  • the device can be used in film production lines of different width sizes, which enhances the practicability of the structure of the invention.
  • the fixed roller and the oscillating roller are arranged on a support, the support is positioned with the slide shaft, and the support is connected to the support adjustment device provided on the slide, and the support adjustment device adopts the first
  • the cooperation of the screw rod and the adjusting nut makes the support rotate around the positioning axis, so that the plane of the fixed roller and the swing roller axis and the plane of the vertical film surface form an angle, which produces a lateral tension effect on the film, and further reduces the possibility of film operation. wrinkle.
  • Figure 1 is a specific structure diagram of the shearing roller device of the traction winder with the blowing and rotating function of the present invention
  • Figure 2 is a specific front view of the shearing roller device of the traction winder with blowing and rotating function of the present invention
  • Figure 3 is a specific side view of the shearing roller device of the traction winder with blowing and rotating function of the present invention
  • Figure 4 is a structural diagram of the support adjusting device of the shear roll device of the traction winder with the blowing function of the present invention
  • Figure 5 is a structural diagram of the pitch adjusting device of the shear roll device of the traction winder with the blowing and rotating function of the present invention
  • Fig. 6 is a cross-sectional view of A-A in Fig. 5.
  • the present invention aims to provide a traction winder shearing roller device with blowing and rotating function, so that the shearing roller can be rotated in advance, so that The film or plastic sheet is synchronized with the rotation of the roller during operation to eliminate film scratches.
  • a traction winder shearing device with a blowing function is symmetrically arranged on both sides of the width direction of the film 8 and connected to the film 8 respectively, and on both sides of the width direction of the film 8
  • At least one shearing roller device is provided for each;
  • the shearing roller device includes a support rod 1, a sliding seat 2, a pitch adjusting device 6, a roller group device 3, and a blowing device 5;
  • the roller group device 3 is used to clamp the film 8 , And produce transverse expansion tension on both sides of the film 8;
  • the blowing device 5 is used to advance the rotation of the shearing roller device that remains stationary relative to the film 8.
  • the roller group device 3 directly It achieves synchronous operation with the film 8, and reduces the apparent quality of the film 8 caused by the unsynchronized operation between the roller set device 3 and the film 8.
  • the support rod 1 is fixedly connected to the traction winder frame 9 along the width direction of the film 8, the support rod 1 is perpendicular to the running direction of the film 8, and the support rod 1 is provided with a pitch adjusting device 6;
  • the seat 2 is provided with a hole adapted to the support rod 1 to fit the slide seat 2 on the support rod 1.
  • the slide seat 2 has the freedom to slide in the length direction of the support rod 1, and the slide seat 2 is also connected to the adjustable pitch Device 6;
  • the roller set device 3 is installed on the slide 2, the roller set device 3 is used to clamp the film 8 and generate transverse expansion tension on both sides of the film 8;
  • the roller set device 3 includes parallel and Corresponding to the fixed roller 3.1 and the swing roller 3.2 arranged on both sides of the thickness direction of the film 8, the sides of the fixed roller 3.1 and the swing roller 3.2 are arranged in a web 3.3 structure at intervals.
  • the outer wall material of the fixed roller 3.1 and the swing roller 3.2 is metal or rubber.
  • the roller set device 3 is also provided with a support 3.4, a rotating cylinder 3.5 and a swing arm 3.6; the support 3.4 is connected to the upper part of the slide 2 along the height direction of the slide 2 by a positioning shaft 4.1, and the support 3.4 is on the slide 2 has a degree of freedom to rotate around the positioning shaft 2.1; the side of the support 3.4 away from the end of the support rod 1 is provided with a first support shaft 3.7 and a first bearing 3.8 that is adapted to the first support shaft 3.7; The supporting shaft 3.7 is parallel to the plane of the film 8.
  • the first bearing 3.8 is connected to the fixed roller 3.1 mandrel so that the fixed roller 3.1 has the freedom to rotate around the first supporting shaft 3.7; the fixed roller 3.1 abuts under the film 8
  • the rotating cylinder 3.5 is arranged on the support 3.4, the rotating cylinder 3.5 is connected to the swing arm 3.6; one end of the swing arm 3.6 is connected to the rotating shaft of the rotating cylinder 3.5, and the other end is connected with the second supporting shaft 3.9 and the second
  • the supporting shaft 3.9 is adapted to the second bearing 3.10; the second supporting shaft 3.9 is arranged on the upper part of the first supporting shaft 3.7 and is parallel to the first supporting shaft 3.7; the second bearing 3.10 is connected to the central axis of the swing roller 3.2,
  • the oscillating roller 3.2 has the freedom to rotate around the second supporting shaft 3.9; the oscillating roller 3.2 abuts against the upper surface of the film 8; the fixed roller 3.1 and the oscillating roller 3.2 are arranged to abut against each other.
  • the fixed roller The surfaces of 3.1 and the swing roller 3.2 are driven by the friction of the film 8 to rotate, thereby achieving the effect of eliminating the longitudinal wrinkles generated by the operation of the film 8.
  • the positions of the fixed roller 3.1 and the oscillating roller 3.2 can be interchanged without affecting the implementation effect of the roller group device 3.
  • the fixed roller 3.1 and the swing roller 3.2 run on both sides in the thickness direction of the film 8, and the film 8 has a vertical pressure on the surface of the film 8, and there is almost no tension in the width direction of the film 8, so the sliding seat 2.
  • a support adjusting device 4 is provided on the top to adjust the angle between the common plane of the fixed roller 3.1 and the oscillating roller 3.2 and the surface of the vertical film 8; the support adjusting device 4 includes a fixed connection to the sliding seat 2
  • the top first screw 4.1 and the adjusting nut 4.2 connected to the support 3.4; the adjusting nut 4.2 is sleeved on the first screw 4.1 and is threadedly fitted with the first screw 4.1; the first screw 4.1
  • the rotation drives the adjusting nut 4.2 to move along the axial direction of the first screw rod 4.1, and then drives the support 3.4 to rotate around the positioning shaft 2.1.
  • the adjusting nut 4.2 is provided with a guide pin 4.3 fixed at one end, the support 3.4 has a waist-shaped hole at a position close to the guide pin 4.3, and the other end of the guide pin 4.3 is sleeved on the waist-shaped hole of the support 3.4; Therefore, rotating the first screw 4.1 will drive the adjusting nut 4.2 to reciprocate in the axial direction of the first screw 4.1, which in turn drives the support 3.4 to rotate around the positioning shaft 2.1 on the slide 2. The result of the rotation is that it is installed on the support.
  • the common plane of the first fulcrum 3.7 and the second fulcrum 3.9 on the seat 3.4 forms an angle with the direction perpendicular to the surface of the film 8.
  • the position of the adjusting nut 4.2 is different, and the obtained angle is different; the angle formed is beneficial to increase
  • the lateral tension generated by the fixed roller 3.1 and the oscillating roller 3.2 on the surface of the film 8 prevents the film 8 from having lateral wrinkles during operation; in the embodiment shown in the drawings, in order to facilitate the operation of the first screw 4.1 to rotate,
  • the end of the first screw 4.1 close to the end of the support rod 1 is equipped with a guide cover 4.4, and the end surface of the first screw 4.1 is provided with a groove for matching operation with the tool, which is convenient for the operation member when the first screw 4.1 rotates The guide.
  • the present invention is not limited to the way of rotating the support 3.4 as shown in the drawings, and any method of making the support 3.4 and the sliding seat 2 rotate relative to each other is within the protection scope of the present invention.
  • the blowing device 5 is respectively arranged on the fixed roller 3.1 and the swing roller 3.2, for blowing the fixed roller 3.1 and the swing roller 3.2 side web 3.3, so that the fixed roller 3.1 and The oscillating roller 3.2 is rotated before the film 8 runs, and has a certain rotation speed, which reduces the damage to the film 8 caused by the asynchronous operation of the two.
  • the blowing device 5 includes a compressed air source 5.1, a first blowing tube 5.2, and a second blowing tube 5.3; one end of the first blowing tube 5.2 is connected to the first supporting shaft 3.7, and the other end is connected to the compressed air source 5.1;
  • the end of the first blowing tube 5.2 connected to the first supporting shaft 3.7 is set as a first bending structure, and the end opening of the first bending structure faces the fixed roller 3.1 side panel 3.3;
  • one end of the second blowing tube 5.3 is connected to The other end of the second supporting shaft 3.9 is connected to the compressed air source 5.1;
  • the end of the second blowing tube 5.3 connected to the second supporting shaft 3.9 is set in a second bending structure, and the end opening of the second bending structure swings toward The side panel of the roller 3.2 is 3.3;
  • the blowing pipe applies force to the fixed roller 3.1 and the swing roller 3.2 to promote the fixed roller 3.1 and the swing roller 3.2 to achieve the effect of pre-rotation.
  • the direction of the force of the wind from the first blow pipe 5.2 on the fixed roller 3.1 is opposite to the direction of the force of the wind from the second blow pipe 5.3 on the swing roller 3.2; due to the film 8 During operation, the frictional force on the fixed roller 3.1 and the swing roller 3.2 attached to the upper and lower surfaces of the film 8 is opposite.
  • the fixed roller 3.1 and the swing roller can be made 3.2 Rotation is synchronized to meet the operation effect of the two rollers when the subsequent film 8 is transported; in addition, in order to ensure the stable transmission of the blowing pipe wind direction, increase the force area of the side plate 3.3 of the roller, and adjust the ends of the first bending structure and the second bending structure.
  • the partial openings are all arranged in an acute-angle inclined surface opening structure.
  • the support rod 1 is connected with a pitch adjusting device 6 which includes a second screw rod 6.1, a nut 6.2 and a sliding block 6.3; the bottom of the sliding seat 2 is provided A through hole adapted to the support rod 1, the through hole is sleeved on the support rod 1; the support rod 1 is provided with an axial hollow structure, and both ends of the hollow structure are provided with a third bearing 6.6, the second The screw rod 6.1 is fixedly installed in the hollow structure through the third bearing 6.6, and the length of the second screw rod 6.1 is greater than the length of the support rod 1.
  • the nut 6.2 is sleeved on the second screw rod 6.1, and the second screw rod 6.1 Thread adaptation is adopted; in order to facilitate the connection of the nut 6.2 with the sliding seat 2, the side wall of the support rod 1 is provided with a sliding groove 6.4 along the length of the support rod 1, and the sliding block 6.3 is clamped in the sliding groove 6.4, and the sliding groove One end of the block 6.3 abuts against the nut 6.2, and the other end is connected to the sliding seat 2.
  • a handwheel 6.5 is installed at the end of the second screw rod 6.1 near the end of the support rod 1, and the handwheel 6.5 is used for rotation
  • the second screw rod 6.1 saves manpower.
  • the working process of the pitch adjusting device 6 is that the rotation of the handwheel 6.5 drives the second screw rod 6.1 to rotate, and drives the nut 6.2 threaded to the second screw rod 6.1 to move along the axial direction of the second screw rod 6.1, and the nut 6.2 moves to drive it.
  • the sliding block 6.3 and the sliding base 2 connected with the sliding block 6.3 move along the sliding groove 6.4;
  • the handwheel 6.5 drives the second screw rod 6.1 forward and backward, so that the sliding base 2 moves back and forth along the sliding groove 6.4 on the pitch adjusting device 6;
  • the device 6 helps the shear roll device of the present invention to be suitable for film production lines of different sizes and widths, and improves the practicability of the present invention.

Abstract

一种带吹转功能的牵引收卷机剪辊装置，分别设置在薄膜（8）的两侧边缘，包括支杆（1）、调距装置（6）、滑座（2）、辊组装置（3）和吹转装置（5）；支杆沿薄膜宽度方向固连于牵引收卷机机架（9）；滑座套装在支杆外侧并与调距装置相连，滑座具有在支杆长度方向滑动的自由度；辊组装置安装在滑座上，用于夹持薄膜，并在薄膜两侧产生横向扩张的张紧力；辊组装置包括平行且对应设置在薄膜厚度方向两侧的固定辊（3.1）和摆动辊（3.2），固定辊和摆动辊侧面均间隔设置有幅板结构（3.3）；吹转装置分别设置在固定辊和摆动辊上，用于吹动固定辊和摆动辊侧面幅板，使得固定辊和摆动辊预先转动。本装置采用吹转装置使剪辊预先转动起来，使薄膜和剪辊装置同步运动，提高薄膜表观质量。

Description

带吹转功能的牵引收卷机剪辊装置 技术领域
本发明涉及塑料薄膜生产技术领域，具体涉及一种带吹转功能的牵引收卷机剪辊装置。
背景技术
在塑料薄膜经过拉伸之后，进入牵引机进一步冷却、定型，然后再到收卷机卷绕在收卷机的卷芯上，完成薄膜成型加工的过程。横向拉伸机与牵引机之间、牵引机与收卷机之间间隔距离较长，薄膜在牵引张力及拉伸应力的作用下，在两个设备或同一设备的两个辊筒之间会出现一些纵向皱纹，空间距离越大，皱纹越严重。如果不及时削除这些皱纹，就会导致产品出现褶皱，薄膜的厚度测量值不准确，在收卷机造成抱筋、无法正常收卷。此时需借助安装剪辊来消除此类问题。
剪辊安装于薄膜的两个边缘，每边各设一组。每组由两个短辊组成，其中一个辊放在薄膜通道的下方，另一辊放在薄膜的上方，两个辊的轴线互相平行并与薄膜运行的垂直方向保持一定的夹角(夹角可以任意调节)，生产时两辊压靠在一起，辊子被薄膜带动旋转，在薄膜两侧产生横向扩张的张紧力，从而实现展开薄膜的目的。两个辊子的外缘由金属或橡胶制成，辊子芯轴上装有滚动轴承，两组剪辊的横向距离可以根据薄膜幅宽，由人工任意调节。但是在生产时，产线会出现薄膜和剪辊运动不同步现象。
现有技术中，CN206154711U公开了一种用于解决切边后的薄膜进行压边的压边剪辊机构，包括导轨梁、安装在导轨梁顶部及底部的上、下剪辊组件，上剪辊组件包括气缸座、转臂气缸及上支架和上剪辊，气缸座安装在导轨梁的顶部，转臂气缸的转轴与呈L形的上支架的上部连接，上支架下部具有横置的上 支轴，上剪辊转动安装在上支轴上；下剪辊组件包括气缸座、转臂气缸及下支架和下剪辊，气缸座安装在导轨梁的底部，转臂气缸的转轴与呈L形的下支架的下部连接，下支架的上部具有横置的下支轴，下剪辊转动安装在下支轴上，转臂气缸带动上支架和下支架沿转轴中心线转动，使上剪辊和下剪辊夹持薄膜或松开薄膜。
上述专利解决的是塑料薄膜或塑料片材切边导致的边膜不平整的问题，但是由于生产时两个辊均是静止不转动的，在两辊压靠在一起被薄膜将带动旋转时，由于薄膜与辊子旋转不同步会造成薄膜划伤，影响薄膜的表观质量。
发明内容
本发明目的在于提供一种带吹转功能的牵引收卷机剪辊装置，结构简单，解决塑料薄膜或塑料片材移动与辊旋转不同步的问题。
为达成上述目的，本发明提出如下技术方案：一种带吹转功能的牵引收卷机剪辊装置，对称设置在薄膜宽度方向的两侧并分别连接于薄膜，且在薄膜宽度方向的两侧至少各设置有一个剪辊装置；所述剪辊装置包括支杆、滑座、辊组装置和吹转装置；
所述支杆沿薄膜宽度方向固连于牵引收卷机机架，支杆垂直于牵引收卷机上薄膜运转方向；所述滑座安装在支杆上，滑座具有在支杆长度方向滑动的自由度；
所述辊组装置安装在滑座上，包括平行且对应设置在薄膜厚度方向两侧的固定辊和摆动辊，所述固定辊和摆动辊侧面均间隔设置为幅板结构；所述辊组装置用于夹持薄膜；
所述吹转装置分别设置在固定辊和摆动辊上，用于吹动固定辊和摆动辊侧面幅板，使得固定辊和摆动辊转动。
进一步的，所述辊组装置还包括支座、旋转气缸和摆臂；所述支座与滑座上部采用定位轴定位连接，支座具有绕定位轴转动的自由度；所述支座远离支 杆端部的侧面设置有第一支轴和与第一支轴适配第一轴承；所述第一支轴平行于薄膜平面，所述第一轴承连接于固定辊芯轴，固定辊具有绕第一支轴旋转的自由度；所述固定辊抵接于薄膜下表面；
所述旋转气缸设置在支座上，旋转气缸连接于摆臂；所述摆臂一端连接于旋转气缸的旋转轴，另一端连接有第二支轴与第二支轴适配第二轴承；所述第二支轴设置在第一支轴上部，且对应平行第一支轴；所述第二轴承连接于摆动辊中心轴，摆动辊具有绕第二支轴旋转的自由度；所述摆动辊对应抵接于薄膜上表面；固定辊和摆动辊对应抵接设置，用于消除薄膜运行产生的纵向皱纹。
进一步的，所述滑座上还设置有支座调节装置，支座调节装置包括固连于滑座顶部的第一丝杆和连接于支座的调节螺母；所述调节螺母套设在第一丝杆上，与第一丝杆螺纹适配；所述第一丝杆转动，带动调节螺母沿第一丝杆轴向运动，进而带动支座绕固定轴旋转，使得第一支轴和第二支轴共同所在平面与垂直薄膜表面的方向形成夹角；夹角有利于固定辊和摆动辊对薄膜产生横向拉紧效果，使得薄膜在运行时不会出现横向皱纹。
进一步的，所述吹转装置包括压缩空气源、第一吹管和第二吹管；
所述第一吹管一端连于第一支轴，另一端连接于压缩空气源；所述第一吹管连接于第一支轴的端部设置为第一折弯结构，第一折弯结构的端部开口朝向固定辊侧面幅板；所述第二吹管一端连于第二支轴，另一端连接于压缩空气源；所述第二吹管连接于第二支轴的端部设置为第二折弯结构，第二折弯结构的端部开口朝向摆动辊侧面幅板；通过吹管导风向固定辊和摆动辊施加作用力，促进固定辊和摆动辊达到相对于薄膜运转实现预先转动的效果。
进一步的，所述第一吹管导出的风对固定辊的作用力的方向与和第二吹管导出的风对固定辊的作用力的方向相反；作用力方向相反才能使得固定辊和摆动辊转动方向相反，满足后续薄膜传输时两辊的运转效果；并且为了确保吹管风向传输，增大辊侧面幅板受力面积，将第一折弯结构和第二折弯结构的端部开口均设置为锐角斜面开口结构。
进一步的，所述滑座底部连接有调距装置，所述调距装置包括第二丝杆、螺母和滑块；所述滑座设置有与支杆适配的通孔，所述通孔套设在支杆上；所述支杆内部设置为轴向空心结构，所述空心结构两端设置有第三轴承，第二丝杆通过第三轴承固定安装在空心结构内，且第二丝杆的长度大于支杆的长度；
所述螺母套设在第二丝杆上，与第二丝杆采用螺纹适配；所述第二丝杆靠近支杆端部的一端安装有手轮，手轮用于转动第二丝杆；所述支杆侧壁开有沿支杆长度方向的滑槽，所述滑块卡设在滑槽内，且滑块一端抵接螺母，另一端连接于滑座；所述手轮带动第二丝杆转动，驱动与第二丝杆螺纹适配的螺母沿第二丝杆轴向移动，螺母移动带动滑块和与滑块连接的滑座沿滑槽移动；调距装置有助于本发明的剪辊装置适用于不同尺寸宽度的薄膜生产线，提高本发明的实用性。
进一步的，所述支座上还设置有压力调节装置，所述压力调节装置一端连接于支座，另一端抵接于摆臂，压力调节装置用于缓冲及调整摆臂摆动带动摆动辊对薄膜的压力。
由以上技术方案可知，本发明的技术方案提供的带吹转功能的牵引收卷机剪辊装置，获得了如下有益效果：
本发明公开的带吹转功能的牵引收卷机剪辊装置，结构简单，操作方便，包括支杆、套装在支杆上的滑座、安装在滑座上的辊组装置和用于使辊组装置中固定辊和摆动辊提前转动的吹转装置；具体为，吹转装置采用压缩空气输出，将内能转化为机械能的方式使剪辊相对于薄膜预先转动起来，进而消除由于薄膜与辊子旋转不同步造成薄膜划伤，减少对薄膜表观质量的影响；并且本发明，在支杆内部设置有调距装置，调距装置可以调节薄膜两侧剪辊装置之间的距离，使得剪辊装置可以使用在不同宽度尺寸的薄膜生产线，增强了本发明结构的实用性。
此外，本发明的辊组装置中固定辊和摆动辊设置在支座上，支座与滑座轴定位，并且支座连接于滑座上设置的支座调节装置，支座调节装置采用第一丝 杆和调节螺母的配合使得支座绕定位轴旋转，从而使得固定辊与摆动辊轴线所在平面与垂直薄膜表面的平面形成夹角，对薄膜产生横向拉紧效果，进一步减少薄膜运行时可能产生皱纹。
应当理解，前述构思以及在下面更加详细地描述的额外构思的所有组合只要在这样的构思不相互矛盾的情况下都可以被视为本公开的发明主题的一部分。
结合附图从下面的描述中可以更加全面地理解本发明教导的前述和其他方面、实施例和特征。本发明的其他附加方面例如示例性实施方式的特征和/或有益效果将在下面的描述中显见，或通过根据本发明教导的具体实施方式的实践中得知。
附图说明
附图不意在按比例绘制。在附图中，在各个图中示出的每个相同或近似相同的组成部分可以用相同的标号表示。为了清晰起见，在每个图中，并非每个组成部分均被标记。现在，将通过例子并参考附图来描述本发明的各个方面的实施例，其中：
图1为本发明带吹转功能的牵引收卷机剪辊装置具体结构图；
图2为本发明带吹转功能的牵引收卷机剪辊装置具体主视图；
图3为本发明带吹转功能的牵引收卷机剪辊装置具体侧视图；
图4为本发明带吹转功能的牵引收卷机剪辊装置的支座调节装置结构图；
图5为本发明带吹转功能的牵引收卷机剪辊装置的调距装置结构图；
图6为图5中A-A截面图。
其中，各标记的具体意义为：
1-支杆，2-滑座，2.1-定位轴，3-辊组装置，3.1-固定辊，3.2-摆动辊，3.3-幅板，3.4-支座，3.5-旋转气缸，3.6-摆臂，3.7-第一支轴，3.8-第一轴承，3.9-第二支轴，3.10-第二轴承，4-支座调节装置，4.1-第一丝杆，4.2-调节螺母，4.3- 导向销，4.4-导正罩，5-吹转装置，5.1-压缩空气源，5.2-第一吹管，5.3-第二吹管，6-调距装置，6.1-第二丝杆，6.2-螺母，6.3-滑块，6.4-滑槽，6.5-手轮，6.6-第三轴承，7-压力调节装置，8-薄膜，9-牵引收卷机机架。
具体实施方式
为了更了解本发明的技术内容，特举具体实施例并配合所附图式说明如下。
在本发明公开中参照附图来描述本发明的各方面，附图中示出了许多说明的实施例。本发明公开的实施例不定义包含本发明的所有方面。应当理解，上面介绍的多种构思和实施例，以及下面更加详细地描述的那些构思和实施方式可以以很多方式中任意一种来实施，这是因为本发明所公开的构思和实施例并不限于任何实施方式。另外，本发明公开的一些方面可以单独使用，或者与本发明公开的其他方面的任何适当组合来使用。
基于现有技术中，在薄膜生产制造过程中，当使用剪辊装置解决薄膜在拉伸机、牵引机和收卷机之间运行时，在牵引张力及拉伸应力的作用下，薄膜表面会出现纵向皱纹的问题时，由于薄膜与辊子旋转不同步会造成薄膜划伤，因此本发明旨在提出一种带吹转功能的牵引收卷机剪辊装置，使剪辊预先转动起来，从而使得薄膜或是塑料片材在运行时与辊子旋转同步，消除薄膜划伤。
下面结合附图所示，对本发明的带吹转功能的牵引收卷机剪辊装置作进一步具体介绍。
结合图1至图3所示，一种带吹转功能的牵引收卷机剪辊装置，对称设置在薄膜8宽度方向的两侧并分别连接于薄膜8，且在薄膜8宽度方向的两侧至少各设置有一个剪辊装置；所述剪辊装置包括支杆1、滑座2、调距装置6、辊组装置3和吹转装置5；所述辊组装置3用于夹持薄膜8，并在薄膜8两侧产生横向扩张的张紧力；所述吹转装置5用于预先使相对于薄膜8保持静止的剪辊装置提前转动，当薄膜生产线开始运转时，辊组装置3直接达到与薄膜8的同步运转，减小辊组装置3与薄膜8之间运转不同步造成的薄膜8表观质量下降。
具体为，所述支杆1沿薄膜8的宽度方向固连于牵引收卷机机架9，支杆1 垂直于薄膜8运转方向，且支杆1内部设有调距装置6；所述滑座2设置有与支杆1适配的孔，用于将滑座2套装在支杆1上，滑座2具有在支杆1长度方向滑动的自由度，并且滑座2还连接于调距装置6；所述辊组装置3安装在滑座2上，辊组装置3用于夹持薄膜8，并在薄膜8两侧产生横向扩张的张紧力；所述辊组装置3包括平行且对应设置在薄膜8厚度方向两侧的固定辊3.1和摆动辊3.2，所述固定辊3.1和摆动辊3.2侧面均间隔设置为幅板3.3结构。部分实施例中，所述固定辊3.1和摆动辊3.2的外壁材料选择金属或橡胶，当本发明的剪辊装置用于薄膜压花操作时，还可以在固定辊3.1和摆动辊3.2外壁表面设置压花纹路。
所述辊组装置3还设置有支座3.4、旋转气缸3.5和摆臂3.6；所述支座3.4沿滑座2高度方向与滑座2上部采用定位轴4.1定位连接，支座3.4在滑座2上具有绕定位轴2.1旋转的自由度；所述支座3.4远离支杆1端部的侧面设置有第一支轴3.7和与第一支轴3.7适配第一轴承3.8；所述第一支轴3.7平行于薄膜8平面，所述第一轴承3.8连接于固定辊3.1芯轴，使得固定辊3.1具有绕第一支轴3.7旋转的自由度；所述固定辊3.1抵接于薄膜8下表面；所述旋转气缸3.5设置在支座3.4上，旋转气缸3.5连接于摆臂3.6；所述摆臂3.6一端连接于旋转气缸3.5的旋转轴，另一端连接有第二支轴3.9与第二支轴3.9适配第二轴承3.10；所述第二支轴3.9设置在第一支轴3.7上部，且对应平行于第一支轴3.7；所述第二轴承3.10连接于摆动辊3.2中心轴，摆动辊3.2具有绕第二支轴3.9旋转的自由度；所述摆动辊3.2对应抵接于薄膜8上表面；固定辊3.1和摆动辊3.2对应抵接设置，在薄膜8运行过程中，固定辊3.1和摆动辊3.2表面在薄膜8摩擦力的带动下发生旋转作用，进而达到消除薄膜8运行产生的纵向皱纹的效果。本实施例中，固定辊3.1和摆动辊3.2的位置可以相互调换，不影响辊组装置3的实施效果。
结合图3所示的实施例，固定辊3.1和摆动辊3.2在薄膜8厚度方向两侧运转，对薄膜8具有垂直薄膜8表面的压力，对于薄膜8宽度方向的拉力几乎没 有，因此在滑座2顶部设置有支座调节装置4，用于调节固定辊3.1和摆动辊3.2芯轴共同所在平面与垂直薄膜8表面之间的夹角；所述支座调节装置4包括固连于滑座2顶部的第一丝杆4.1和连接于支座3.4的调节螺母4.2；所述调节螺母4.2套设在第一丝杆4.1上，与第一丝杆4.1螺纹适配；所述第一丝杆4.1转动，带动调节螺母4.2沿第一丝杆4.1轴向运动，进而带动支座3.4绕定位轴2.1旋转。
其具体为，所述调节螺母4.2上设置有一端固定的导向销4.3，支座3.4在靠近导向销4.3的位置开有腰形孔，导向销4.3另一端套装于支座3.4的腰形孔；因此，旋转第一丝杆4.1，会驱动调节螺母4.2在第一丝杆4.1轴向往复移动，进而带动支座3.4绕滑座2上的定位轴2.1进行旋转，旋转的结果就使得安装在支座3.4上的第一支轴3.7和第二支轴3.9共同所在平面与垂直薄膜8表面的方向形成夹角，调节螺母4.2的位置不同，获得的夹角大小不同；形成夹角有利于增大固定辊3.1和摆动辊3.2对薄膜8表面产生的横向拉紧力，使得薄膜8在运行时不会出现横向皱纹；附图所示的实施例中，为了便于操作第一丝杆4.1转动，在第一丝杆4.1靠近支杆1端部的一端安装导正罩4.4，并且第一丝杆4.1的端面设置用于与工具适配操作的凹槽，便于第一丝杆4.1旋转时的操作件的导正。本发明不限于附图所示的使支座3.4旋转的方式，任何使得支座3.4与滑座2发生相对转动的方法均在本发明的保护范围内。
进一步的结合图3和图4所示，所述吹转装置5分别设置在固定辊3.1和摆动辊3.2上，用于吹动固定辊3.1和摆动辊3.2侧面幅板3.3，使得固定辊3.1和摆动辊3.2在薄膜8运行前预先转动起来，具有一定的转动速度，减小两者运行不同步对薄膜8造成的损伤。
具体为，所述吹转装置5包括压缩空气源5.1、第一吹管5.2和第二吹管5.3；所述第一吹管5.2一端连于第一支轴3.7，另一端连接于压缩空气源5.1；所述第一吹管5.2连接于第一支轴3.7的端部设置为第一折弯结构，第一折弯结构的端部开口朝向固定辊3.1侧面幅板3.3；所述第二吹管5.3一端连于第二支轴3.9， 另一端连接于压缩空气源5.1；所述第二吹管5.3连接于第二支轴3.9的端部设置为第二折弯结构，第二折弯结构的端部开口朝向摆动辊3.2侧面幅板3.3；通过吹管导风向固定辊3.1和摆动辊3.2施加作用力，促进固定辊3.1和摆动辊3.2达到预先转动的效果。
在附图所示的实施例中，所述第一吹管5.2导出的风对固定辊3.1的作用力的方向与和第二吹管5.3导出的风对摆动辊3.2的作用力的方向相反；由于薄膜8在运转中，对贴附在薄膜8上下表面的固定辊3.1和摆动辊3.2摩擦力相反还有当吹管对固定辊3.1和摆动辊3.2的作用力方向相反，才能使得固定辊3.1和摆动辊3.2转动同步，满足后续薄膜8传输时两辊的运转效果；此外，为了确保吹管风向传输稳定，增大辊侧面幅板3.3受力面积，将第一折弯结构和第二折弯结构的端部开口均设置为锐角斜面开口结构。
结合图5和图6所示，所述支杆1内部连接有调距装置6，所述调距装置6包括第二丝杆6.1、螺母6.2和滑块6.3；所述滑座2底部设置有与支杆1适配的通孔，所述通孔套设在支杆1上；所述支杆1内部设置为轴向空心结构，所述空心结构两端设置有第三轴承6.6，第二丝杆6.1通过第三轴承6.6固定安装在空心结构内，且第二丝杆6.1的长度大于支杆1的长度；所述螺母6.2套设在第二丝杆6.1上，与第二丝杆6.1采用螺纹适配；为了便于螺母6.2与滑座2连接，所述支杆1侧壁开有沿支杆1长度方向的滑槽6.4，所述滑块6.3卡设在滑槽6.4内，且滑块6.3一端抵接螺母6.2，另一端连接于滑座2；为了便于操作，一些实施例中在第二丝杆6.1靠近支杆1端部的一端安装有手轮6.5，手轮6.5用于转动第二丝杆6.1，节省人力。
调距装置6的工作过程为，所述手轮6.5转动带动第二丝杆6.1转动，驱动与第二丝杆6.1螺纹适配的螺母6.2沿第二丝杆6.1轴向移动，螺母6.2移动带动滑块6.3和与滑块6.3连接的滑座2沿滑槽6.4移动；手轮6.5带动第二丝杆6.1正反转，使得滑座2沿调距装置6上滑槽6.4前后移动；调距装置6有助于本发明的剪辊装置适用于不同尺寸宽度的薄膜生产线，提高本发明的实用性。
此外，为了防止旋转气缸3.5的旋转轴带动摆臂3.6上设置的摆动辊3.2下压薄膜8时，对薄膜8造成瞬间和/或持续压力过大，在所述支座3.4上还设置有压力调节装置7，所述压力调节装置7一端连接于支座3.4，另一端抵接摆臂3.6，压力调节装置7对摆臂3.6具有一定的支撑作用，用于缓冲及调整摆臂3.6摆动带动摆动辊3.2时对薄膜的造成冲击压力，减少薄膜8损伤。
虽然本发明已以较佳实施例揭露如上，然其并非用以限定本发明。本发明所属技术领域中具有通常知识者，在不脱离本发明的精神和范围内，当可作各种的更动与润饰。因此，本发明的保护范围当视权利要求书所界定者为准。

Claims (10)

  1. 一种带吹转功能的牵引收卷机剪辊装置，剪辊装置对称设置在薄膜宽度方向的两侧并分别连接于薄膜，且在薄膜宽度方向的两侧至少各设置有一个剪辊装置；其特征在于，所述剪辊装置包括支杆、滑座、辊组装置和吹转装置；
    所述支杆沿薄膜宽度方向固连于牵引收卷机机架，支杆垂直于牵引收卷机上薄膜运转方向；所述滑座安装在支杆上，滑座具有在支杆长度方向滑动的自由度；
    所述辊组装置安装在滑座上，包括平行且对应设置在薄膜厚度方向两侧的固定辊和摆动辊，固定辊和摆动辊侧面均间隔设置为幅板结构；所述辊组装置用于夹持薄膜；
    所述吹转装置分别设置在固定辊和摆动辊上，用于吹动固定辊和摆动辊侧面幅板，使得固定辊和摆动辊转动。
  2. 根据权利要求1所述的带吹转功能的牵引收卷机剪辊装置，其特征在于，所述辊组装置还包括支座、旋转气缸和摆臂；
    所述支座与滑座上部采用定位轴定位连接，支座具有绕定位轴旋转的自由度；所述支座远离支杆端部的侧面设置有第一支轴和与第一支轴适配第一轴承；所述第一支轴平行于薄膜平面，所述第一轴承连接于固定辊芯轴，固定辊具有绕第一支轴旋转的自由度，且固定辊抵接于薄膜下表面；
    所述旋转气缸设置在支座上，摆臂连接于旋转气缸；所述摆臂一端连接于旋转气缸的旋转轴，另一端连接有第二支轴与第二支轴适配第二轴承；所述第二支轴设置在第一支轴上部，且对应平行于第一支轴；所述第二轴承连接于摆动辊芯轴，摆动辊具有绕第二支轴旋转的自由度，且摆动辊对应抵接于薄膜上表面。
  3. 根据权利要求2所述的带吹转功能的牵引收卷机剪辊装置，其特征在于，所述滑座上还设置有支座调节装置，支座调节装置包括固连于滑座顶部的第一丝杆和连接于支座的调节螺母；所述调节螺母套设在第一丝杆上，与第一丝杆 螺纹适配；所述第一丝杆转动，带动调节螺母沿第一丝杆轴向运动，进而带动支座绕定位轴旋转，使得第一支轴和第二支轴共同所在平面与垂直薄膜表面的方向形成夹角。
  4. 根据权利要求1所述的带吹转功能的牵引收卷机剪辊装置，其特征在于，所述吹转装置包括压缩空气源、第一吹管和第二吹管；
    所述第一吹管一端连于第一支轴，另一端连接于压缩空气源；所述第一吹管连接于第一支轴的端部设置为第一折弯结构，第一折弯结构的端部开口朝向固定辊侧面幅板；
    所述第二吹管一端连于第二支轴，另一端连接于压缩空气源；所述第二吹管连接于第二支轴的端部设置为第二折弯结构，第二折弯结构的端部开口朝向摆动辊侧面幅板。
  5. 根据权利要求4所述的带吹转功能的牵引收卷机剪辊装置，其特征在于，所述第一吹管导出的风对固定辊侧面幅板的作用力的方向与和第二吹管导出的风对摆动辊侧面幅板的作用力的方向相反。
  6. 根据权利要求1所述的带吹转功能的牵引收卷机剪辊装置，其特征在于，所述带吹转功能的牵引收卷机剪辊装置还包括调距装置，调距装置连接于支座，包括第二丝杆、螺母和滑块；
    所述滑座套设在支杆上，支杆设置为轴向空心结构，所述空心结构内部两端设置有第三轴承，第二丝杆通过第三轴承固定安装在空心结构内，且第二丝杆的长度大于支杆的长度；
    所述螺母套设在第二丝杆上，与第二丝杆采用螺纹适配；所述支杆侧壁开有沿支杆长度方向的滑槽，所述滑块卡设在滑槽内，且滑块一端抵接螺母，另一端连接于滑座；
    所述第二丝杆转动，带动与第二丝杆螺纹适配的螺母沿第二丝杆轴向移动，螺母移动带动滑块和与滑块连接的滑座沿滑槽移动。
  7. 根据权利要求6所述的带吹转功能的牵引收卷机剪辊装置，其特征在于， 所述第二丝杆靠近支杆端部的一端安装有手轮，手轮用于转动第二丝杆。
  8. 根据权利要求4或5任一项所述的带吹转功能的牵引收卷机剪辊装置，其特征在于，所述第一折弯结构和第二折弯结构的端部开口均设置为锐角斜面开口结构。
  9. 根据权利要求2所述的带吹转功能的牵引收卷机剪辊装置，其特征在于，所述支座上还设置有压力调节装置，所述压力调节装置一端连接于支座，另一端抵接于摆臂，压力调节装置用于缓冲及调整摆臂摆动带动摆动辊对薄膜的压力。
  10. 根据权利要求1-2任一项所述的带吹转功能的牵引收卷机剪辊装置，其特征在于，所述固定辊和摆动辊的外壁材料为金属和橡胶中的一种。
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