CN102358031A

CN102358031A - Method for cleaning longitudinal stretching machine

Info

Publication number: CN102358031A
Application number: CN2011102084421A
Authority: CN
Inventors: 陈志军; 陈德超; 汪飞
Original assignee: HUBEI FIRSTA MATERIAL SCIENCE AND TECHNOLOGY GROUP Co Ltd
Current assignee: HUBEI FIRSTA MATERIAL SCIENCE AND TECHNOLOGY GROUP Co Ltd
Priority date: 2011-07-25
Filing date: 2011-07-25
Publication date: 2012-02-22

Abstract

The invention relates to a method for cleaning a longitudinal stretching machine. The method for cleaning the longitudinal stretching machine is characterized by comprising the following steps that: 1) a row of spray heads are arranged below a first stretching roller of a stretching roller group; the row of spray heads are arranged along the axial direction of the first stretching roller; the spray nozzles of the spray heads are toward the first stretching roller; the spray heads are arranged on a cleaning agent pipeline; one end of the cleaning agent pipeline is a sealed end; the other end of the cleaning agent pipeline is communicated with a cleaning agent conveying pipe; and a conveying pump is arranged on the cleaning agent conveying pipe; and 2) when the longitudinal stretching machine works, the cleaning agent is sprayed to the first stretching roller by the spray heads once very 11 to 12 hours; and the amount of the cleaning agent sprayed by each spray head every time is 10 to 30 milligrams. By the method, production cost can be reduced.

Description

The clean method of longitudinal stretching machine

Technical field

The present invention relates to a kind of clean method of longitudinal stretching machine.

Background technology

Existing longitudinal stretching machine comprises preheat roll group, draw roll group, setting roll group, and the draw roll group is between preheat roll group and setting roll group, and preheat roll group, draw roll group, setting roll group all are arranged on the frame; The preheat roll group is made up of 6 preheat rolls, and the draw roll group is made up of 4 draw rolls, and the setting roll group is by 2 setting rolls; That the speed of draw roll has is fast, have slow, realize film (like pre-coating film) longitudinal stretching.

Pre-coating film is made up of subfunction layer, sandwich layer, coating functional layer, and sandwich layer is between subfunction layer and coating functional layer; The material of subfunction layer is mainly polypropylene; The material of sandwich layer is a modified poly ethylene; The material of coating functional layer is a bonding agent, coating functional layer heat seal on sandwich layer, can be directly during use with coating functional layer and wrapping paper or plastics contact thermal integrator (and coating viscosity glue) again; Use simply, conveniently, thereby be widely used in products such as food, cosmetics, handbag.

In the basement membrane production process, producer usually can often shut down because of the stretching roller easy pollution effect film apparent mass of longitudinal stretching machine and do the roller health, will shut down in per 12 hours usually and do the roller health No. one time; Need about 40 minutes of time at every turn, also will consume materials such as some acetone, rag in the time of will influencing 80 minutes platforms in one day; Produce some start films; So both reduced output influential economic benefit, the production line production capacity is big more, loses big more.Online cleaning roller is involved in roller with hand or rag easily, is that safety standard is forbidden, can use a kind of material; It is sprayed on the draw roll; Make it to produce the effect of similar " non-stick pan ", in operation, safe and reliablely do not hurt sb.'s feelings like this, work continuously in the production and do not shut down; Waste product has reduced, and benefit has improved.Because the material of coating functional layer is a bonding agent; It is to be prepared from ethene-vinyl acetate copolymer, paraffin wax, hydrogenation resin, metallocene PE, anti-oxidant and light stabilizer, and the shared mass percent of each component is: ethene-vinyl acetate copolymer 75%, paraffin wax 2%, hydrogenation resin 15%, metallocene PE 7%, anti-oxidant 0.5%, light stabilizer 0.5%.The coating functional layer is bonded on the draw roll easily, needs draw roll is carried out clean.

Summary of the invention

The object of the present invention is to provide a kind of clean method of longitudinal stretching machine, this method can reduce production costs.

To achieve these goals; Technical scheme that the present invention adopts is: the clean method of longitudinal stretching machine; It is characterized in that it comprises the steps: 1) below first draw roll of draw roll group, be provided with row's shower nozzle, row's shower nozzle is axial arranged along first draw roll, and the spout of shower nozzle is towards first draw roll; Shower nozzle is arranged on the cleaning agent pipeline; One end of cleaning agent pipeline is a blind end, and the other end of cleaning agent pipeline is connected with the cleaning agent carrier pipe, and the cleaning agent carrier pipe is provided with delivery pump; When 2) longitudinal stretching machine is worked, whenever sprayed a cleaning agent by shower nozzle to first draw roll at a distance from 11-12 hour, the amount that each shower nozzle sprays cleaning agent at every turn is the 10-30 milligram.

Described shower nozzle is 5-20.

Described cleaning agent is the 120# rubber solvent naphtha.

The invention has the beneficial effects as follows: this method can be carried out online cleaning to the draw roll of longitudinal stretching machine, has significantly reduced the shutdown number of times, has reduced production cost.

Description of drawings

Fig. 1 is the structural representation of longitudinal stretching machine.

Fig. 2 is the layout sketch map of shower nozzle.

Among the figure: 1-preheat roll group, 2-draw roll group, 3-setting roll group, 4-film, 5-first draw roll, 6-shower nozzle (nozzle), 7-cleaning agent pipeline.

The specific embodiment

The clean method of longitudinal stretching machine; It comprises the steps: 1) below first draw roll 5 of draw roll group 2, be provided with row's shower nozzle 6 (5-20, be uniformly distributed with, concrete number is confirmed as required); One row's shower nozzle 6 is axial arranged along first draw roll 5; The spout of shower nozzle is towards first draw roll 5, and shower nozzle 6 is arranged on (shower nozzle 6 is connected with cleaning agent pipeline 7) on the cleaning agent pipeline 7, and an end of cleaning agent pipeline 7 is a blind end; The other end of cleaning agent pipeline 7 is connected with the cleaning agent carrier pipe, and the cleaning agent carrier pipe is provided with delivery pump (cleaning agent is provided); When 2) longitudinal stretching machine is worked, whenever sprayed a cleaning agent by shower nozzle to first draw roll at a distance from 11-12 hour, the amount that each shower nozzle sprays cleaning agent at every turn is the 10-30 milligram.

The film 4 that longitudinal stretching machine stretches can be all films that adopt longitudinal stretching, also can adopt the pre-coating film (existing film) in the background technology.

Described cleaning agent is the 120# rubber solvent naphtha, and the Chuzhou City profit reaches solvent Co., Ltd produces, water white transparency, and middle flash-point flammable liquid, it is moderate to volatilize.Be mainly used in industries such as rubber industry and binder, anti-adhesive tape, environment protection oil paint.

Experiment: adopt method of the present invention, can produce 2-3 days (not roll banding) continuously, significantly reduced the shutdown number of times, reduced production cost; Produce continuously in 2-3 days not roll banding, the film apparent mass is good, effect of the present invention is obvious.

Like Fig. 1, shown in Figure 2, realize the longitudinal stretching machine of said method, it comprises preheat roll group 1, draw roll group 2, setting roll group 3, and the draw roll group is between preheat roll group and setting roll group, and preheat roll group, draw roll group, setting roll group all are arranged on the frame; The preheat roll group is made up of 6 preheat rolls, and the draw roll group is made up of 4 draw rolls, and the setting roll group is by 2 setting rolls; Below first draw roll 5 of draw roll group 2, be provided with row's shower nozzle 6 (5-20 is uniformly distributed with), row's shower nozzle 6 is axial arranged along first draw roll 5; The spout of shower nozzle is towards first draw roll 5; Shower nozzle 6 is arranged on the cleaning agent pipeline 7, and cleaning agent pipeline 7 is fixed on the frame, and an end of cleaning agent pipeline 7 is a blind end; The other end of cleaning agent pipeline 7 is connected with the cleaning agent carrier pipe, and the cleaning agent carrier pipe is provided with delivery pump (cleaning agent is provided).First draw roll 5 is positioned at the below of passing through line (being the moving line of film 4) of film 4.

Claims

1. the clean method of longitudinal stretching machine; It is characterized in that it comprises the steps: 1) below first draw roll of draw roll group, be provided with row's shower nozzle, row's shower nozzle is axial arranged along first draw roll, and the spout of shower nozzle is towards first draw roll; Shower nozzle is arranged on the cleaning agent pipeline; One end of cleaning agent pipeline is a blind end, and the other end of cleaning agent pipeline is connected with the cleaning agent carrier pipe, and the cleaning agent carrier pipe is provided with delivery pump; When 2) longitudinal stretching machine is worked, whenever sprayed a cleaning agent by shower nozzle to first draw roll at a distance from 11-12 hour, the amount that each shower nozzle sprays cleaning agent at every turn is the 10-30 milligram.

2. the clean method of longitudinal stretching machine according to claim 1 is characterized in that: described shower nozzle is 5-20.

3. the clean method of longitudinal stretching machine according to claim 1, it is characterized in that: described cleaning agent is the 120# rubber solvent naphtha.