CN2910542Y

CN2910542Y - Plastic film sheet width pulling installation by calendering process

Info

Publication number: CN2910542Y
Application number: CN 200620041797
Authority: CN
Inventors: 林培辉; 秦长林; 杨林芳
Original assignee: HONGLUN MACHINERY (SHANGHAI) CO Ltd
Current assignee: HONGLUN MACHINERY (SHANGHAI) CO Ltd
Priority date: 2006-05-16
Filing date: 2006-05-16
Publication date: 2007-06-13
Anticipated expiration: 2016-05-16

Abstract

The utility model relates to a plastic film sheet width pulling installation by calendering process. The horizontal configuration is adopted for the width pulling equipment involved in the calendaring process known at present, with the shortcoming of the greater horizontal size of the plastic film or sheet during the width pulling process. Because the vertical stretching by the self weight due to drooping caused by oversize horizontal width, bad flatness is observed in the product of plastic film or sheet after finalization, and the finalized product can not be too wide. The technical proposal of the utility model involves the width pulling installation that consists of a calendaring roller, a capstan, a pilot wheel, a width pulling device, a stretching system with clamping force, a warm refinery wheel and a group of cooling wheels. The original width pulling device arranged horizontally is altered with the inclined arrangement instead, and the stretching system with clamping force is provided as well as the pilot wheel that can be adjusted vertically. The improved the width stretching installation fabricates the products with the breadth between 4,200-16,000 mm.

Description

A kind of rolling process plastic sheeting, sheet widen facility

Technical field

The expanding that the utility model relates to a kind of plastic sheeting widens equipment, particularly relates to the facility that widens of a kind of online film that adopts rolling process, sheet.

Background technology

In the production process of plastic sheeting, thin slice, especially widen in the method in rolling process, the breadth width that widens the back product has just determined the size of its range of application, and therefore, the equipment that the production wide cut widens film just determines its plastic sheeting, thin slice application broadness.This has higher requirement just for equipment itself, has illustrated that also the equipment of widening of producing wide-range film acquires a certain degree of difficulty.

The equipment of widening of at present known rolling process is horizontal arrangement: it is to get wheel by stack → draw to draw longitudinal stretching → widen equipment cross directional stretch → temperature refining wheel alleviation cooling → cooling wheels cooling and shaping → cutting edge → batch cut-out in proper order.Its process of widening is: the plastic sheeting, sheet 2 that are attached to stack 1 surface are drawn in lower whorl one side of stack 1 and to get wheel 3 and deflected from stack 1 after a plurality of stacks 1 calenderings, and longitudinal stretching enters the equipment of widening 5 then and carries out cross directional stretch simultaneously.Widen equipment 5 and be horizontal positioned, plastic sheeting, sheet 2 is from the A end import of the equipment of widening 5, through widening widening of equipment 5, plastic sheeting, sheet 2 brings out mouth from B again, plastic sheeting, sheet 2 is the bottom horizontal flow sheet direction when process widens equipment 5, promptly bring out mouth to B and be in same horizontal plane from the import of A end, plastic sheeting when the import of A end enters, sheet 2 is by longitudinal stretching, bring out the plastic sheeting of mouth when coming out from B, sheet 2 is by in length and breadth to stretching, by the plastic sheeting after the biaxial tension, sheet 2 is attached to the surface of temperature refining wheel 9, keep certain temperature buffer cool time rapidly, after controlling cold contraction, be sent to the cooling of finalizing the design of cooling wheels 10 again, subsequently, the cutting edge rolling is finished product.The good permeability of the plastic sheeting that rolling process widens, sheet 2, but waterproof, therefore be widely used in plastic sheeting for farm use, packaging protecting film.But the rolling process of this kind flat placed type widens equipment also exists weak point, improving plastic sheeting, the flattening degree aspect of the fabric width degree of sheet and product also has limitation, its reason is that the equipment that widens of flat placed type is in the process of widening, because plastic sheeting, the noble prepattern of sheet temperature, the surface has pastes sticking phenomenon, so plastic sheeting, sheet except that both sides are clamped taking turns adhesive tape is clamping carry beyond, large tracts of land is unsettled in the middle of it, the horizontal plane perspective plane is too big, because of plastic sheeting, the reason of sheet deadweight, laterally too wide generation sagging and by the deadweight stretched vertically, make plastic sheeting, it is bad that the flattening degree appears in flake products typing back, intermediate projections, two limit curls inwards, thus the quality of product influenced.This type of widens method in order to ensure product quality, and the finished width of production can not be too wide, only in 4000mm, can not satisfy the requirement of market to the wide cut product.

Summary of the invention

In order to overcome the deficiency that prior art exists, improve the configuration of the equipment that laterally widens that rolling process produces, the finished product that makes it to produce the above wide cut of 4000mm and plastic sheeting that the flattening degree is good, sheet is the purpose of this utility model place.The utility model proposes a kind of new technical scheme: a kind of rolling process plastic sheeting, sheet widen facility, by stack 1, draw get wheel 3, widen equipment 5, temperature refining wheel 9 and cooling wheels 10 form, it is characterized in that the described equipment 5 that widens is the placement of tilting in widening facility, the angle of inclination of horizontal level is β relatively, the plastic sheeting that feasible need are stretched, sheet 2 also become certain included angle β with horizontal plane after entering the equipment of widening, this β angle is more controlled between 10 °-85 ° of technological requirement than requiring with different widening.The length that widens equipment 5 is looked product requirement, general in the scope of 400mm-6000mm, B can tilt in vertical direction to the port of export and be higher than A to arrival end, and also can have a down dip is lower than A to arrival end, widens the top that equipment 5 is supported on left and right each two frame 7,8.Direction of advance left side at the equipment of widening 5, on right both sides respectively have, following two row folding bearings up pulley, respectively by two circle adhesive tape parcels, clip the plastic sheeting that need widen between the two circle adhesive tapes, sheet 2, each is to last, be fitted with extension spring between following two pinch wheels, on a left side, the adhesive tape below that the following row folding bearing up pulley of right both sides is wrapped, each vertically hangs a clamping force clamping system 6 that adopts weighting distribution wheel at B end length 2/3rds places down, in order to keep plastic sheeting, sheet 2 is after entering the equipment of widening 5, every place clamping force of the position that clamps is identical, and is identical to the every lateral pull of B before outlet to the inlet back to guarantee from A; But near A left and right guide wheel 4 that respectively disposes up-down adjustment inlet, transition is mild when making plastic sheeting, sheet 2 inlets.According to the difference of fabric width, regulate A to inlet and B width to outlet, the width adjusting scope of A end is 800mm-8000mm, the width adjusting scope that B holds is 1200mm-20000mm;

Good effect of the present utility model is: adopt widen equipment 5 tiltedly stand up postpone, reduce plastic sheeting, the horizontal plane when sheet 2 processes widen equipment 5, thereby reduced plastic sheeting, the sheet 2 parts extension stretchings that bring with plastic sheeting, sheet 2 vertical gravity that produce because of deadweight.The equipment of widening after the improvement can be produced the product of fabric width between 4200mm-16000mm.The requirement of all kinds of fabric widths such as the 8000mm that it can be met the need of market fully, 11000mm, 13000mm.

Description of drawings

Fig. 1: the utility model rolling process plastic sheeting, sheet widen the facility structure schematic diagram;

Fig. 2: the utility model rolling process plastic sheeting, sheet widen the schematic top plan view of the equipment that widens in the facility 5.

The meaning that each legend mark is expressed as follows respectively in the accompanying drawing:

1. stack; 2. plastic sheeting, sheet; 3. draw and get wheel; 4. guide wheel; 5. widen equipment; 6. clamping force clamping system; 7. frame; 8. frame; 9. the temperature refining is taken turns; 10. cooling wheels; A. the import that (widens film in the equipment, sheet 2); B. the outlet that (widens film in the equipment, sheet 2); β. the angle of inclination.

The specific embodiment

With accompanying drawing the utility model is further described below in conjunction with the embodiments:

Present embodiment is that a rolling process of producing the wide plastic sheeting of 5500mm widens facility, it is by four groups of calendering wheels 1, with plastic sheeting 2 vertically calendering stretching when width is 2000mm, drawing the horizontal direction of getting wheel 3 through six groups again stretches repeatedly, guiding enters the β that is inclined upwardly=40 ° through guide wheel 4, length is the inlet A end of the equipment that widens 5 of 3500mm, the width adjusting of A end is to 2000mm, the dual-side of plastic sheeting 2 is clamped at being wrapped in of the equipment of widening 5 both sides, on the following pinch wheels, in the interlayer of following V belt, widened simultaneously in the drawing process forward, until widen the B end of equipment 5, the width adjusting of B end is to 5500mm, the both sides parcel is pinch wheels clamping system 6 of being made up of weighting distribution wheel of the vertical installation in below of the V belt of row folding bearing up pulley down, 2/3rds places of A end are held in the position at B, cool off rapidly through the temperature buffer that 9 and five groups of cooling wheels 10 are taken turns in seven groups of temperature refinings vertically downward at last through the plastic sheeting 2 that widens, typing, cutting edge again, rolling, finished product warehouse entry storehouse.

Claims

1. a rolling process plastic sheeting, sheet widen facility, by stack [1], draw get wheel [3], widen equipment [5], temperature refining wheel [9] and cooling wheels [10] form, and it is characterized in that described to widen the angle of inclination that equipment [5] is installed in relative horizontal level be the position of [β]; Widen equipment [5] and be supported on the top of left and right each two frame [7], [8]; Direction of advance and arranged on left and right sides at the equipment of widening [5] respectively has upper and lower two row folding bearings up pulley, by two circle adhesive tape parcels, clips plastic sheeting, the sheet [2] that need widen between the two circle adhesive tapes respectively; Each is to being fitted with extension spring between upper and lower two pinch wheels; Below the adhesive tape that the following row folding bearing up pulley of and arranged on left and right sides is wrapped, each vertically hangs a clamping force clamping system [6] that adopts weighting distribution wheel toward length 2/3rds places of A end at the B end; But near A left and right guide wheel [4] that respectively disposes up-down adjustment inlet; A can movablely regulate to the width of outlet to inlet and B.

2. a kind of rolling process plastic sheeting according to claim 1, sheet widen facility, it is characterized in that described to widen the angle of inclination [β] that equipment [5] is installed in relative horizontal level be between 10 °-85 °.

3. a kind of rolling process plastic sheeting according to claim 1, sheet widen facility, it is characterized in that the described length of equipment [5] that widens is generally in the scope of 400mm-6000mm.

4. a kind of rolling process plastic sheeting according to claim 1, sheet widen facility, it is characterized in that the described A that widens equipment [5] is 800mm-8000mm to the width adjusting scope of arrival end, B is 1200mm-20000mm to the width adjusting scope of the port of export.

5. a kind of rolling process plastic sheeting according to claim 1, sheet widen facility, it is characterized in that the described B that widens equipment [5] can tilt in vertical direction to the port of export to be higher than A to arrival end, and also can have a down dip is lower than A to arrival end.