JPH06287859A - Specific steaming apparatus for color development - Google Patents

Abstract

PURPOSE:To provide a particular steam heating apparatus for the color development of one-side dying of cloth or dying of knit cloth necessary to avoid tension on it. CONSTITUTION:The steam heating apparatus 2 for color development, wherein saturated steam is supplied to a closed space and a cloth having been dyed and applied with a fixing agent is subjected to steam heating treatment. Plural cloth-transferring rolls 32 are placed in a row at the upper part of the closed space of the apparatus 2. In order to detect a cloth 6 hanging down between each roll 32 while it is transferred by each roll 32, cloth detecting sensors 37 of plural-stages or continual-linear-mechanism type are placed in the direction of hanging down of the cloth beneath and between rolls 32. When the cloth is not detected by a sensor 37a on the upper stage, the rotating speed of the roll 32 positioned above said sensor 37a is slowed down and when the cloth is detected by a sensor 37b on the lower stage, the rotating speed of the corresponding roll 32 is speeded up. This system enables keeping the turning parts of the cloth between the sensors 37 on the upper and lower stages and controlling the retention time of the cloth in the steam heating apparatus 2.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a special steaming device for coloring for fixing a dye of a fiber structure (hereinafter sometimes referred to as a cloth).

[0002]

2. Description of the Related Art Conventionally, it is necessary to perform printing on only one side of a fabric, such as printing, and to avoid applying tension to a coloring steaming device or a fabric for heat treatment to fix the dye on the fabric. As a steaming device for steaming heat treatment after printing of a fibrous structure such as a knitted fabric, a fabric conveying device as shown in FIG. 3 has been used. In FIG. 3, the saturated steam blowing device is not shown and only the dough carrier device is shown.
In the dough carrier, an endless chain 71 is attached to both ends of each of the plurality of rolls 70. By driving the chain 71 on a rail 72, each roll 71 interlocked with the drive of the chain 71. The dye fixing cloth 73 hung on 70 is conveyed in the steaming device.

[0003]

In the dough carrier device of the steaming device shown in FIG. 3, the dough 73 applied to each roll 70 is provided.
Does not move forward by the rotation of the rolls 70, but only moves forward by the rotation of the chain 71 while maintaining the hanging length while rotating on its own position at the position where it is hung on each roll 70. Therefore, before the dough 73 is introduced into the steaming device, the dough 73 that is continuously supplied is hung on a plurality of rolls 70 attached to the chain 71 so that the dough 73 is hung down in sequence.
It was necessary to maintain the hang-down state and to wind the dough out of the steaming device. Even if the above two operations are performed manually or automatically, a very complicated control technique is required.

Therefore, an object of the present invention is to dye one side of a fabric or for a knitted fabric which requires avoiding tension on the fabric, and to control the transport of the fabric in a steamer by simple automatic control. It is an object of the present invention to provide a color-developing steaming device capable of producing a color.

[0005]

The above objects of the present invention can be achieved by the following constitutions. That is, in a special steaming device for coloring that supplies saturated steam to the closed space and heats the dyed and adhesive-added fabric, the fabric inlet provided at one end and the opposite end A dough outlet provided on the side of the machine, a plurality of dough conveying rolls arranged in a line in the upper side of the closed space from the dough inlet to the dough outlet, and each dough conveying while being conveyed by each dough conveying roll In order to detect the cloth that hangs between the rolls, the cloth detecting means provided at a lower position between the cloth conveying rolls and the rotation speed of the cloth conveying roll corresponding to the cloth detecting means by the cloth detecting means. It is a special steaming device for color development, which is provided with a controlling means for controlling the rotation speed of the dough carrier roll.

It is desirable that each of the dough-conveying rolls of the special steaming device for coloring should be processed so that its surface has a high friction coefficient. For example, by providing a large number of needle-shaped protrusions on the entire surface of the dough carrying roll and performing processing such as coating with a plastic or metal having a high friction coefficient, the dough can be carried in a hanging state without slipping off from the dough carrying roll. . Further, it is desirable that each cloth detecting means is provided with at least two upper and lower or continuous linear signal detecting mechanisms in the hanging direction of the cloth. Further, auxiliary rolls may be provided at the front and rear positions with respect to the cloth conveying direction of each cloth conveying roll. The auxiliary roller in the first stage is for guiding the dough to the dough conveying roll, and the auxiliary roll in the latter stage is for preventing the dough from winding around the dough conveying roll.

The special steaming device for coloring according to the present invention is used as a steaming device of a printing device for dyeing only one side of a fabric of a fiber structure using a dye solution consisting of a reactive dye or a vat dye, or during heat treatment with steam. It is most suitable as a steaming device for knitted fabrics, etc. where it is necessary to avoid applying tension to the fabric. The fiber structure of the present invention means a plant natural fiber such as cellulose fiber, an animal natural fiber such as wool, a synthetic fiber, or a mixed or mixed woven fiber of these fibers.

[0008]

According to the present invention, the dough introduced from the dough inlet is conveyed so as to hang down on a plurality of dough conveying rolls, and the steaming heat treatment is performed during the conveyance. At this time, the rotation speed of each dough carrying roll is controlled by each dough detecting means and dough carrying roll rotation speed control means, and the steaming time can be managed.

Each of the dough detecting means is provided in a plurality of stages in the hanging direction of the dough or provided as a continuous linear mechanism, and when the dough cannot be detected by the dough detecting means on the upper stage side, the dough conveying corresponding to the dough detecting means is carried out. When the rotation speed of the roll is increased and the dough is detected by the detection means on the lower side, the rotation speed of the dough transport roll corresponding to that is slowed down so that the folded portion of the dough that constantly hangs between these dough detection means is detected. The dough residence time in the steaming device can be controlled.

[0010]

Embodiments of the present invention will be described with reference to the drawings. First, the special steaming device for color development used in this embodiment will be described with reference to FIG. The steaming device 2 is provided with an inlet 30 for the dough 6 at one end of the bottom thereof and a dough outlet 31 at the opposite bottom end, and the steaming space between the dough inlet 30 and the dough outlet 31 is provided. A plurality of dough-conveying rolls 32 are arranged in a line on the upper side. Of the plurality of dough-conveying rolls 32, the dough 6 conveyed from the device capable of applying the fixing liquid by contact with the first dough-conveying roll 32a corresponding to the dough inlet 31 is introduced into the steaming device 2. Then, the fabric 6 is transported toward the fabric outlet 31 while being sequentially hung on the respective fabric transport rolls 32 by drive control of the fabric transport rolls 32 as described below. Therefore, the fabric 6
As shown in FIG. 1, the material is meanderingly conveyed so as to hang down between the material conveying rolls 32, and heat treatment is performed during the conveyance so that the dye is fixed to the material 6.

The conveying means for the fabric 6 in the steaming device 2 of this embodiment is most suitable for a method for dyeing only one side of the fabric such as printing. That is, the fabric surface that does not come into contact with the fabric transport roll 32 can be used as the printing surface.
It enables dyeing with a good finish that is not stained with. However, as a matter of course, it can also be used for double-sided fabric dyeing such as plain dyeing.

In order to perform meandering conveyance so that the material 6 hangs down between the material conveying rolls 32, the surface of the material conveying roll 32 is processed to have a high friction coefficient so that the material 6 does not fall off. There is. For example, a large number of needle-shaped protrusions are provided on the entire surface of the cloth conveying roll 32, and processing such as coating with plastic or metal having a high friction coefficient is performed.

Further, all the dough carrying rolls 32 except the first dough carrying roll 32a and the following second dough carrying roll 32b are folded back to the vicinity of the front side of the dough carrying direction in the carrying direction of the dough and are fed back to the next stage. An auxiliary roll 33 is provided for reliably delivering the dough to the fabric transport roll 32. Further, the dough 6 has a high friction coefficient in the vicinity of the rear side of all the dough carrying rolls 32 in the dough carrying direction.
An auxiliary roll 34 is provided so as not to wrap around.

An endless belt 35, which forms a conveying path inclined toward the first conveying roll 32a, is wound around the second cloth conveying roll 32b. In addition, the first transport roll 32
A first sensor 37a for detecting the cloth is provided at least in two stages above and below the position a, which is a position below a and faces the endless belt 35. In addition, the second dough transport roll 3
Fabric detection sensors 37 that hang down also between the fabric conveying rolls 32 on and after 2b are provided in upper and lower two stages, respectively.

These sensors 37 may be of any type as long as they can detect the material 6, such as a light detection sensor,
A touch sensor or the like can be used. In the present embodiment, 37a and 37b are light detection sensors, and the sensor 37
x is a touch sensor.

An opening / closing type observation door 38 is provided at a required position on the side wall of the steam heating device 2. The steam into the steam heating device 2 is supplied from a plurality of steam outlets 39 uniformly arranged at the bottom of the steam heating device 2 in the dough conveying direction. Steam whose pressure is adjusted is ejected from the boiler (not shown) into the steam heating device 2. A steam diverting cover (not shown) is provided on the steam outlet 39 so that the steam emitted from the steam outlet 39 does not directly hit the fabric.

Further, steam drains are provided on the inner side of the steam heating device 2 at the dough inlet 30 and the dough outlet 31 so that the inlet 30 and the outlet 3 are provided.
There are drain protection walls 30a and 31a respectively so that the drain protection walls 30a and 31a do not leak to the outside of the steam heating device 2.
Steam chambers 41 and 42 are provided on the outer wall surfaces of the steam heating device 2 facing the a and 31a, respectively, and steam discharged from the dough inlet 30 and the dough outlet 31 is temporarily stored in these chambers 41 and 42, and the steam heating device 2 is provided. The air is discharged from the pipes 43 and 45 that are erected along the outside of the side wall through exhaust fans 46 and 47, respectively. The pipe 4
Dampers 49, 50 are provided in the middle of 3, 45,
The amount of water vapor in the steam heating device 2 is adjusted by this opening.
The amount of steam in the steam heating device 2 is detected by a pressure sensor (not shown), and the detected value is transmitted to the opening / closing control unit (not shown) of the dampers 49, 50.

Next, the meandering conveyance control of the dough in the steam heating device 2 will be described. The leading end of the fabric 6 to be dyed is joined to a guide cloth which is hung over all the rolls 32 in the steaming device 2 in advance by sewing with a sewing machine. Then, when the steam is sufficiently saturated in the steam heating device 2, the drive of each dough-conveying roll 32 is started. At this time, when the first fabric detection sensor 37a detects the front end of the fabric 6, the endless belt 35 of the second fabric transport roll 32b starts driving, and the front end of the transported fabric 6 is directed to the second fabric transport roll 32b. And transport it back. Further, when the second fabric detection sensor 37b between the second fabric transport roll 32b and the third fabric transport roll 32c detects that the fabric hangs down, the third fabric transport roll 32c starts rotating. In this way, the dough carrying rolls 32 on the subsequent stage start rotating one after another, and the dough is carried in a state of hanging between the carrying rolls 32.

It should be noted that, for example, the printing cloth that has entered the steaming device 2 is still hard under the influence of the printing paste even if it is provided with moisture, so there is no suppleness at the time of bending, so there is a risk of swaying in the conveying direction. There is an endless belt 35
Is provided to prevent this swing.

Rolls 3 after the second fabric conveying roll 32b
The dough detecting sensor 37 provided between the two can control the number of revolutions of each dough transport roll 32 so that the folded portion of the dough 6 is always within the detectable range of the upper sensor and the lower sensor. it can. That is, the upper fabric detection sensor 3
When 7 operates, the rotation speed of the roll 32 at the rear stage of the fabric detection sensor 37 is slowed down, and when the lower sensor 37 operates, the rotation speed of the roll 32 at the subsequent stage is increased to the center position of the sensor 37. The rotation of the roll 32 is controlled so that the dough loop exists.

By controlling the hanging width of the cloth 6 in this manner, the optimum residence time in the steaming device 2 can be adjusted according to the material, the weave, the thickness of the cloth 6 or the dyeing method of the cloth 6. You can In addition, this cloth 6
An apparatus for controlling the meandering conveyance of is performed by a control unit (not shown). FIG. 2 shows a flow chart of drive control of this apparatus including the meandering conveyance control.

EFFECTS OF THE INVENTION According to the present invention, it is necessary to perform dyeing treatment on only one side of a fabric, such as printing, and to avoid heat treatment or tension on the fabric to fix the dye to the fabric. The heat treatment after dyeing of the fiber structure for cloth or the like can be performed without adversely affecting the dyeing finish.

[Brief description of drawings]

FIG. 1 is a schematic diagram of a steam heating apparatus according to an embodiment of the present invention.

FIG. 2 is a diagram showing a flowchart of dough transfer control of the steam heating apparatus according to an embodiment of the present invention.

FIG. 3 is a view showing a dough carrier device of a conventional loop-type steam heating device.

[Explanation of symbols]

2 ... Steaming device, 6 ... Dough, 30 ... Dough inlet, 31 ... Dough outlet, 32 ... Dough transport roll, 33, 34 ... Auxiliary roll, 35 ... Endless belt, 37 ... Dough detection sensor

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[Procedure amendment]

[Submission date] March 19, 1993

[Procedure Amendment 1]

[Document name to be amended] Statement

[Correction target item name] 0010

[Correction method] Change

[Correction content]

[0010]

Embodiments of the present invention will be described with reference to the drawings. First, the color-forming special steamer used in this embodiment will be described with FIG. The steaming device 2 is provided with an inlet 30 for the dough 6 at one end of the bottom thereof and a dough outlet 31 at the opposite bottom end, and the steaming space between the dough inlet 30 and the dough outlet 31 is provided. A plurality of dough-conveying rolls 32 are arranged in a line on the upper side. The dough 6 is introduced into the steaming device 2 from a device capable of applying the fixing liquid by contact with the first dough carrying roll 32a corresponding to the dough inlet 30 among the plurality of dough carrying rolls 32. Then, the fabric 6 is transported toward the fabric outlet 31 while being sequentially hung on the respective fabric transport rolls 32 by drive control of the fabric transport rolls 32 as described below. Therefore, the fabric 6
As shown in FIG. 1, the material is meanderingly conveyed so as to hang down between the material conveying rolls 32, and heat treatment is performed during the conveyance so that the dye is fixed to the material 6.

Front Page Continuation (72) Inventor Hachiro Hirooka 1-7-10 Bingo-cho, Chuo-ku, Osaka City, Osaka Prefecture Mitsubishi Kasei Hoechst Co., Ltd.Technical Center (72) Inventor Takahiro Maezono, Bingo-cho, Chuo-ku, Osaka City, Osaka Prefecture 7th-10th Mitsubishi Kasei Hoechst Co., Ltd. Technical Center

Claims (5)

[Claims] 1. A special steaming device for color development for supplying saturated steam to a closed space to heat a dyeing-treated and fixing-agent-treated fabric, the fabric inlet being provided at one end, and vice versa. Side fabric outlet provided on the end side, a plurality of dough transport rolls arranged in a line on the upper side in the closed space from the dough inlet toward the dough outlet, while being transported by each dough transport roll In order to detect the material that hangs down between the material conveying rolls, the material detecting means provided at the lower position between the material conveying rolls and the material detecting means of the material conveying rolls corresponding to the material detecting means. A special steaming device for color development, comprising: a dough-conveying roll rotation speed control means for controlling the rotation speed. 2. The special steaming device for coloring according to claim 1, wherein each of the cloth conveying rolls is processed such that the surface thereof has a high friction coefficient. 3. The special steaming device for coloring according to claim 1, wherein each of the dough detecting means is provided in at least two upper and lower stages in the hanging direction of the dough, or a continuous linear signal detecting mechanism is provided. . 4. The special steaming device for color development according to claim 1, wherein auxiliary rolls are provided at a front stage and a rear stage position with respect to the fabric transport direction of each fabric transport roll. 5. The special steaming device for color development according to claim 1, which is used as a steaming heat treatment device in printing of a fiber structure using a dye liquid composed of a reactive dye or a vat dye.