JPS6350310Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) This invention relates to a padder for liquid treatment of fabric, and is used to continuously impregnate a long piece of fabric with a treatment liquid such as a dyeing liquid or a resin processing liquid. It will be done.

(Prior art) A padder for liquid treatment of fabric consists of a liquid tank equipped with a dipping roller and a squeezing roller located above the liquid tank, and a long fabric is dipped into the treatment liquid in the liquid tank by the dipping roller. It is continuously immersed, and then guided to the nip of the squeezing roller to remove excess processing liquid.
The treatment liquid is permeated into the fabric and then sent to the next drying process. And the processing liquid is
The processing liquid was supplied to the liquid tank from a processing liquid supply pipe installed slightly above the liquid tank.

(Problem that the invention aims to solve) When the fabric is nipped by the squeezing roller, some of the excess processing liquid may fall directly into the liquid tank or flow in the opposite direction along the fabric that is being transferred upwards. However, the remaining part is pushed outward in the width direction along the nip of the squeezing roller and adheres outward from the selvage of the fabric, and this adhering treatment liquid is transferred to the squeezing roller. It is dried by the frictional heat of the rubber layer on the surface,
Therefore, even if the squeezing roller is cleaned when changing lots, it is difficult to remove the adhering treatment liquid, and it takes a long time to remove it, resulting in a significant decrease in operating efficiency.

This invention prevents the processing liquid adhering to the surface of the squeezing roller from concentrating, and makes it possible to easily wipe off dirt on the surface of the squeezing roller.

(Means for Solving the Problems) In a padder for liquid treatment of fabric in which squeezing rollers 6, 6 are provided above a liquid tank 2 provided with a dipping roller 3, a covering cloth 9 having a width wider than the workpiece cloth F is used. is stretched downward from slightly above the squeezing roller 6 so as to contact the surface thereof, and a processing liquid supply pipe 12 for applying the processing liquid W is provided above the covering cloth 9.

(Function) The processing liquid W applied to the covering cloth 9 spreads over the entire width of the covering cloth 9, flows downward, comes into contact with the surface of the squeezing roller 6, and a part of it moves to the squeezing roller 6 and wets the surface. As the squeezing roller 6 rotates, the liquid is carried to the nip portion, and the rest flows further downward along the covering cloth 9 and falls into the liquid tank 2 from the lower end of the covering cloth 9. That is, the surface of the squeezing roller 6 is constantly wetted with the treatment liquid W over an area wider than the width of the cloth F to be processed. Furthermore, since the covering cloth 9 is stationary in contact with the surface of the squeezing roller 6, a wider area of the surface of the squeezing roller 6 than the width of the workpiece cloth F is rubbed by the covering cloth 9 as the squeezing roller 6 rotates. It will be done. Further, the surface of the squeezing roller 6 is cooled by being wetted with the processing liquid W, and heat generation due to friction of the rubber layer on the surface is prevented. Therefore, the processing liquid W adhering to the surface of the squeezing roller 6, even outside the edges of the cloth F to be processed, does not become concentrated or solidify.

(Example) In Fig. 1, 1 is a side frame, 2 is a liquid tank, 3 is an immersion roller, 4 is an entrance guide roller, 5
is an expander roller, 6 is a squeezing roller, and 7 is an exit guide roller, and the long workpiece cloth F passes through the entrance guide roller 4 and is transferred to the liquid tank 2 by the dipping roller 3.
The expander roller 5, squeezing roller 6 and exit guide roller 7 are then immersed in the processing liquid W inside.
After that, it is sent to the next process.

A horizontal bar 8 parallel to the squeezing roller 6 is supported above each of the front and rear squeezing rollers 6, 6 that are in contact with each other, and from this horizontal bar 8, as shown in FIG. A synthetic fiber coarse-grained covering cloth 9 having a width slightly narrower than the squeezing roller 6 is suspended, and a weight hanging rod 10 longer than the width of the covering cloth 9 is attached to the lower end of this covering cloth 9. Weights 11 are hung on both ends of the cover cloth 9 where the weights 10 protrude outward from the edges of the cover cloth 9, thereby pressing the cover cloth 9 against the squeezing roller 6. A processing liquid supply pipe 1 that is long in the width direction is placed slightly above the squeezing roller 6 so as to sandwich the upper end of the covering cloth 9.
2 is provided, and the treatment liquid injected from this treatment liquid supply pipe 12 is applied to the vicinity of the upper end of the covering cloth 9. In addition, in order to guide the processing liquid flowing down from the lower end of the covering cloth 9 to the liquid tank 2, liquid receiving plates 13,
14 are provided.

In this embodiment, since a coarse woven fabric made of synthetic fibers is used as the covering cloth 9, the amount of processing liquid impregnated into the covering cloth 9 itself is small, which is economical, and draining after washing is possible when changing lots. good. In particular, when a filament fabric is used, water drainage becomes even better.
Also, depending on the adjustment of the weight 11, the squeezing roller 6
The pressing force of the covering cloth 9 against the treatment liquid can be adjusted depending on the concentration of the treatment liquid. Further, by forming bags at both upper and lower ends of the covering cloth 9 and inserting the horizontal bar 8 and the weight hanging rod 10 therethrough, the covering cloth 9 can be easily replaced. In addition, weight 1
Instead of 1, a spring may be used to tension the covering cloth 9.

(Effect of the invention) The treatment liquid is supplied to the surface of the squeezing roller over a wider area than the width of the cloth to be processed from the treatment liquid supply pipe through the covering cloth, and the surface of the squeezing roller is constantly wetted with the treatment liquid. Since it is cooled and the surface of the squeezing roller is rubbed with a coated cloth, processing liquids such as resin processing liquids and dyeing liquids are prevented from concentrating and sticking to the surface of the squeezing roller, making cleaning extremely easy when changing lots. The process can be completed in a short time, improving the operating rate.

[Brief explanation of drawings]

Fig. 1 is a vertical cross-sectional view of an embodiment of this invention;
The figure is a front view of the main part of FIG. 1. F: Processed cloth, 2: Liquid tank, 3: Dipping roller,
6: Squeezing roller, 8: Horizontal bar, 9: Covered cloth, 1
0: Weight hanging rod, 11: Weight, 12: Processing liquid supply pipe.

Claims (1)

[Scope of Claim for Utility Model Registration] (1) In a padder for liquid treatment of fabric in which a squeezing roller is provided above a liquid tank equipped with a dipping roller, a covering cloth that is wider than the fabric to be processed is placed on the surface of the squeezing roller. 1. A padder for liquid treatment of fabric, characterized in that it is provided with a treatment liquid supply pipe extending downward from above so as to be in contact with the cloth, and for applying a treatment liquid to the upper part of the covered cloth. (2) A padder for liquid treatment of fabric according to claim 1, in which a coated fabric is suspended from above and pressed against a squeezing roller by the action of a weight attached to its lower end. (3) The fabric according to claim 2 of the utility model registration claim, in which a weight is hung on a portion of a widthwise weight hanging rod that is attached to the lower end of the covering fabric and projects outward from the selvedge of the covering fabric. Pazda for liquid processing. (4) The padder for liquid treatment of fabric according to any one of claims 1 to 3 of the claimed utility model registration, wherein the covering fabric is a coarse synthetic fiber fabric.