JPH0753939B2 - Airflow type spot dyeing device and spot dyeing method - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an airflow type spot dyeing apparatus and a spot dyeing method for endlessly rejoined loop-shaped fiber products.

[0002]

2. Description of the Related Art Hitherto, as a technique for dyeing and other treatments while circulating a loop-shaped fiber product by an air stream, Japanese Patent Application Laid-Open No. 51-32885 and Japanese Patent Publication No. 63-3638 are known.
No. 5, etc. are disclosed. In these known examples, a cloth or the like is circulated and transported by an air current, and dyeing or other processing is performed during that period, and the purpose is to uniformly dye or other processing the circulating cloth.

[0003]

However, recently, due to the needs of fashion and hobbies diversification and individualization,
There is a growing demand for unique and distinctive colors, patterns or patterns, rather than simple uniform dyeing. Therefore, with the apparatus and method designed for the purpose of simply dyeing uniformly as in the above-mentioned conventional example, special processing such as spot dyeing, which has a unique characteristic and has the same fashion sense, is possible. There was a difficulty that could not be produced repeatedly.

An object of the present invention is to circulate a cloth by using an air current, and in this state, by intermittently applying a dye liquor or the like by a dye liquor applying means, it is possible to perform spot dyeing or other special processing. An object of the present invention is to provide a dyeing device and a spot dyeing method.

[0005]

In order to achieve the above object, in the first invention, a header portion having a reel or a roll, a transfer pipe having a fluid ejecting portion connected to the header portion, and the header portion are provided. A loop-shaped cloth circulation treatment passage consisting of a storage tank having one end connected to the transfer pipe and the other end connected to the transfer pipe is provided, and a blower, a heat exchanger, and a gas-liquid mixing section are provided from the gas phase region of the storage tank. An airflow circulation path connected to the fluid ejection unit, a pump from the bottom of the retention tank,
An air flow type processing apparatus, which is provided with a processing liquid circulation path connected to the gas-liquid mixing section via a heat exchanger, and circulates and transfers the loop-shaped cloth in the processing path by an injection force from the fluid injection section. A shower ring that surrounds the fabric connected to the dye preparation tank is provided in the vertical portion where the fabric is pulled up from the retention tank to the reel or roll, and the dye is intermittently jetted from the shower ring to the fabric according to a program. The airflow type spot dyeing device provided with a control unit for controlling the supply.

According to the second aspect of the present invention, the loop-shaped cloth annular treatment passage is introduced from the header section to the header section through the transfer pipe having the fluid injection section, and again to the header section. A heat exchanger, an airflow circulation path that goes through the gas-liquid mixing section to the fluid ejection section, so that the cloth is circulated and transferred by the ejection force of the airflow ejected from the fluid ejection section, and a pump is applied from the bottom of the retention tank. In the processing liquid circulation path through the heat exchanger to the gas-liquid mixing section, the processing liquid can be supplied into the air stream from the gas-liquid mixing section, and the dyeing solution from the dyeing preparation tank is reeled from the retention tank or Airflow type spot dyeing, which is designed to be jet-supplied to the fabric according to the discharge time (T ₁ ) and the dwell time (T ₂ ) according to a computer-controlled program from the shower ring provided in the vertical portion that pulls the fabric up to the roll. Method It was.

In the third aspect of the invention, a plurality of dyeing liquid preparation tanks of different colors are provided, and dyeing is performed by changing the dyeing liquid to be sequentially jetted or by supplying the dyeing liquids together in accordance with the program control, and an airflow type spot dyeing method. And

[0008]

According to the first aspect of the invention, the dye solution is intermittently jetted and supplied from the shower ring provided in the vertical portion of the retention tank according to the program of the computer while the cloth is circulated and transferred by the jetting force of the air flow from the fluid jetting unit. As a result, only a certain length was dyed within a certain range, and spot dyeing became possible. Moreover, since the shower ring surrounds and bends the cloth, the dye liquor is evenly sprayed from the peripheral edge of the cloth. The intermittent supply of the dye liquor can also be repeatedly repeated in accordance with the circulating transfer of the fabric.

In the second invention, the discharge time (T ₁ ) and the rest time (T ₁ ) are set in accordance with a program controlled by a computer.
_By intermittently supplying the dyeing solution according to ₂ ), it became possible to perform special spot dyeing with various dyeing ranges. In the third invention, since a plurality of dyeing liquid preparation tanks of different colors are provided, various color mixing can be performed.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The apparatus of the present invention will be described below with reference to the embodiments shown in the drawings. In FIG. 1, reference numeral 1 denotes a circulation processing passage, which includes a header portion 3 containing a drive reel or roll 2, a fluid ejecting portion 4 provided in a horizontal direction, a transfer pipe 5, and this transfer pipe 5.
Is connected to the inlet side, and the storage tank 6 is connected to the header portion 3 on the outlet side via the intermediate portion. The bottom of the retention tank 6 has a double bottom having a porous nest plate 7 so that the treatment liquid dropped from the cloth or the like can be separated.
Reference numeral 8 represents a treatment liquid.

Reference numeral 9 denotes an air flow circulation path, which is drawn from the gas phase region of the stagnant tank 6 and constitutes a system path through the blower 10, the heat exchanger 11 and the gas-liquid mixing section 12 to the fluid injection section 4. There is. 13
Is a processing liquid circulation path and constitutes a system path from the pump 14 and the heat exchanger 15 through the gas-liquid mixing section 12 to the fluid injection section 4. 16, 16a and 16b are dye preparation tanks, and a plurality of them are provided. 17, 17a and 17b are dye supply valves, and 18 is an injection pump, which discharges the dye from the dye preparation tank and is a shower ring.
It is designed to feed 19. 20 indicates a control unit, and 21 indicates a cloth.

In the gas-liquid mixing section 12, the processing liquid 8 from the processing liquid circulation path 13 is jetted and supplied into the air flow from the air flow circulation path 9 to generate a gas-liquid mixed fluid, and heat and water are supplied to the cloth. The dye liquor sprayed from the shower ring 19 can be diffused and dyed on the cloth 21. Further, if a cooler, a mist separator, and a heater are provided in the airflow circulation path 9 so that moisture in the airflow can be removed, it can be used for drying the cloth after the dyeing step, The steps from dyeing to drying can also be performed by a single apparatus of the present invention.

The controller 20 is controlled by a computer to intermittently inject the dye liquor from the shower ring 19 according to a program. When a plurality of dye liquor preparation tanks 16, 16a, 16b are provided in different colors, the mixture of each color is mixed. I try to regulate the rate and amount. Since the shower ring 19 is provided so as to flex the fabric from the surroundings, the dyeing liquid is jetted and provided from the entire periphery of the fabric, and the dyeing is reliably performed in a fixed length within a fixed range.

In this embodiment, a blower 10 is used as the loop cloth.
The air flow pressure-fed by is caused to travel in the transfer pipe 5 by the ejection force ejected from the fluid ejection part 4 and is fed into the retention tank 6.
In the stagnant tank 6, the fabric is sequentially pushed and sent out, pulled up by the drive reel or roll 2 from the outlet side, and again sent out to the transfer pipe 5 by the fluid ejecting unit 4 so that the fabric is circulated in sequence. .

As described above, while the fabric 21 is being circulated by the air flow, the shower ring 19 provided in the vertical portion of the storage tank is intermittently sprayed with the dye liquor over a certain range for a certain time according to the program. Dyed.

[0016]

According to the apparatus and method of the present invention, a dyeing liquid can be intermittently jetted according to a program controlled by a computer from a shower ring provided in a vertical portion of a storage tank in a circulation processing passage for transferring a cloth. Various spots can be made by dyeing the fabric for a certain period of time over a certain range, which is suitable for diversification of fashion and hobbies, and industrially carries out high value-added spot dyeing processing corresponding to individuality. I was able to do it.

Further, there is also an effect such that it can be applied to a spotted area and a change in shade by adjusting the mixing of the air flow and the treatment liquid in the gas-liquid mixing section or adjusting the wet state of the air flow. Further, by providing a plurality of dye liquor preparation tanks and preparing and adjusting dye liquors of different colors, it is possible to perform spot dyeing with different textures.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of the system of the device of the present invention.

FIG. 2 is an enlarged explanatory view of a shower ring unit.

[Explanation of symbols]

 1 circulation processing passage 2 reel or roll 3 header portion 4 fluid injection portion 5 transfer pipe 6 retention tank 8 treatment liquid 9 air flow circulation passage 10 blower 11 heat exchanger 12 gas-liquid mixing portion 13 treatment liquid circulation passage 14 pump 15 heat exchanger 16, 16a, 16b Dye preparation tank 19 Shower ring 20 Control section 21 Fabric

Claims (3)

[Claims] 1. A header part having a reel or roll, a transfer pipe having a fluid ejecting part connected to the header part, and a retention tank having one end connected to the header part and the other end connected to the transfer pipe. A loop-shaped cloth circulation passage consisting of, and an air flow circulation path connected from the gas phase region of the retention tank through the blower, the heat exchanger, the gas-liquid mixing section to the fluid injection section, and the retention tank. A treatment liquid circulation passage connected to the gas-liquid mixing portion through a pump and a heat exchanger is provided from the bottom portion, and the loop-shaped fabric is circulated and transferred in the treatment passage by the ejection force from the fluid ejection portion. An airflow type processing device is provided, and a shower ring that surrounds the fabric connected to the dye preparation tank is provided in the vertical portion that pulls the fabric from the retention tank to the reel or roll, and the shower ring follows the program. An air flow type spot dyeing device, which is provided with a control section for controlling so as to intermittently jet and supply the dyeing liquid to the cloth. 2. An annular treatment passage of a looped fabric from the header section to a header section via a transfer pipe having a fluid injection section, and then to the header section again, and a blower and a heat exchanger from a gas phase region of the retention tank. A fabric is circulated and transferred by a jetting force of an air stream jetted from the fluid jetting unit in an airstream circulation path that goes through the gas-liquid mixing unit to the fluid jetting unit, and a pump and a heat exchanger are provided from the bottom of the retention tank. In the treatment liquid circulation path through the gas-liquid mixing unit, the treatment liquid can be supplied from the gas-liquid mixing unit into the air flow, and the dye liquid from the dye preparation tank is woven from the retention tank to the reel or roll. From the shower ring installed in the vertical part, the discharge time (T ₁ ) and the rest time (T ₁ ) according to the computer-controlled program.
_{According to 2} ), the air flow type spot dyeing method is characterized in that the fabric is jetted and supplied. 3. A plurality of dye-preparation tanks of different colors are provided, and the dye solution to be sequentially jetted is changed according to program control,
The dyeing method according to claim 2, wherein the dyeing is performed by supplying the dyeing agent in combination.
The airflow-type spot dyeing method described.