JPH0457785B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an apparatus for preparing a plurality of types of dye stock solutions in a dyeing process to obtain a desired dye solution.

[Prior Art] In recent years, automatic blending devices have become commonplace in dye blending operations. As a representative example of this,
-53942 (hereinafter referred to as the conventional method). This involves discharging a plurality of dye stock solutions having two or more concentrations for each color from a container through an outflow pipe,
A known electromagnetic valve is placed between the container and the discharge port to control the flow rate.

[Problem to be solved by the invention] In the field of dyeing, the aim has recently been to produce more economical dyeing, and fiber materials have also become more diverse, and as a result, the number of types of dyes has increased. . In this case, in particular, in the conventional method described above, it is necessary to prepare stock solutions of multiple concentrations for one dye, so the number of containers for the stock solution increases, and 100
It becomes necessary to store containers larger than books, which increases the size of the device.

In addition, in the above method, in order to improve the accuracy of the prepared dye solution, for example, 1%, 0.1%,
In order to achieve an accuracy of up to 1/100 using stock solutions with three concentrations of 0.01%, first, use a 1% stock solution to obtain the total
Inject the amount equivalent to 85%, then continue to inject 0.1%
It is necessary to inject up to 95% with a dye solution with a concentration of 0.01%, and then mix it up with a stock solution with a concentration of 0.01% to reach 100%. In this way, we perform a three-step formulation, so 1
There were disadvantages such as the time required for preparing the liquid each time and the processing capacity decreased.

The reason why it is necessary to prepare dyes with two or more concentrations in the above conventional method is as follows. In other words, it is necessary to gather as many discharge ports of the outflow pipes arranged in the dye liquor container as possible on the liquid receiving cup, but since the electromagnet part of the solenoid valve is bulky, A long outflow tube should be used with its tip converging on the receiving cup. When using a long outflow pipe like this, even if you carefully control the energization time of the solenoid valve, the amount of liquid on the discharge side of the outflow pipe will not respond, and the minimum unit amount of droplets should be adjusted to less than 0.1 g. difficult to do. In this case, it may be possible to reduce the diameter of the outflow pipe on the discharge side. However, in this case, since the length of the pipe is long, the resistance exerted on the dye liquid when flowing out increases, and the discharge amount decreases. Moreover, when the dye liquor is stationary, defects such as crystallization also occur. Therefore, in the conventional method, it is not possible to reduce the minimum unit discharge amount to less than 0.1 g, and it is necessary to prepare dye liquor raw materials having two or more different concentrations.

[Means and effects for solving the problems] In order to eliminate the above-mentioned drawbacks, the present invention provides the following dye liquor mixing device.

That is, each of the electromagnetic valves disposed at the tip of each outflow pipe extending from a large number of mother liquor bottles is separated into an upper electromagnetic drive part and a lower opening/closing valve part connected to the tip of each outflow pipe. By connecting both of them with a strip, the whole is formed into a long shape, and these many electromagnetic valves are positioned so that the sides of the on-off valve part converge, so that the side of the on-off valve part is used for dispensing. The liquid is collected above the liquid receiving cup.

As described above, in the present invention, the discharge port of the on-off valve section can be directly concentrated above the liquid receiving bottle for preparation. For example, it is possible to limit the length of the on-off valve and the discharge port to several mm, and it is also possible to control the minimum outflow unit to the order of 0.01 g under constant pressurization.

The electronic balance used in the normal liquid preparation process is
Since the accuracy is around 0.01g, there is no need to prepare dye solutions with two or more concentrations.

For example, when injecting a predetermined amount of liquid, the flow rate corresponding to 95% of the entire dye liquid is calculated over time, the weight of the injected liquid amount is confirmed, and the remaining 5
By performing arbitrary intermittent injection for the liquid amount corresponding to %, it is possible to accurately inject the entire amount, which greatly contributes to time reduction.

Therefore, compared to the above-mentioned conventional method, the number of types of dye stock solutions is reduced by half or less, and the overall size of the apparatus can be made smaller and the occupied area can be reduced.

Furthermore, as an embodiment of the present invention, when a coupler with a check valve is used for the dye liquor outflow part attached to the lid of the mother liquor bottle and the part for injecting pressurized air, by connecting both couplers, the compression By sending air to the electromagnet and on-off valve, or by preparing a separate container containing cleaning liquid, the washing liquid can be forced into the electromagnet and on-off valve to clean it and remove any crystallized dye inside the solenoid valve. It is also possible to remove the liquid.

[Example] Next, an example of the apparatus of the present invention will be described in detail with reference to the drawings.

FIG. 1 shows an overview of the device.

This device is equipped with a large number of mother liquor bottles, that is, containers 10 containing dye stock solutions.

Each mother liquor bottle 10 contains mother liquor of a desired color and concentration. The mother liquor may be prepared at one concentration for each dye (one color), and this point is a feature of the present invention.

A magnetic stirrer (not shown) is installed at the bottom of each mother liquor bottle 10, and stirring can prevent precipitation of the dispersed dye.

In case a large amount of dyeing aid, dilution water, etc. are used, a container 12 having a capacity approximately five times that of the mother liquor bottle 10 is provided.

A lid 13 of each of the mother liquor bottle 10 and the auxiliary agent/dilution water container 12 is connected to an air pipe 14 for sending out the mother liquor by pneumatic pressure, and a dye liquor pipe 16 for causing the mother liquor to flow out from the mother liquor bottle. Lid 13 and pipe 1
4 and 16 are connected using a completely sealed one-touch coupler 18 as a joint. This results in
The mother liquid bottle 10 can be easily attached and removed, and even when one mother liquid bottle 10 is removed, air does not leak from the one-touch coupler 18 and the pressure does not decrease. Further, even if the coupler on the dye liquid pipe 16 side is removed, the dye liquid does not come out from the pressurized mother liquor bottle 10.

To explain this one-touch cutter in more detail, as shown in FIG. 4, the coupler 18 on the side that feeds the dye liquid is provided with a female member 72 on the lid side, and a male member 70 on the side of the dye liquid pipe. is provided. On the other hand, the coupler 18' on the air feeding side has a male member 76 attached to the lid side and a female member 74 attached to the pipe side.
In FIG. 6, a male member 70 and a female member 72 are shown.
This shows a state in which the two are separated. By inserting the male member 70 into the female member 72 from this state, the tip of the male member 70 pushes the inner member of the female member 72 toward the right hand in the figure, and the ball
It fits into the recess of the small diameter portion of the female member 70, and the fitting between the two is completed. This is the state shown in FIG. When the thrust cover 78 is moved from this state to the right in the figure, the ball escapes diametrically outward and the male member 70 is kicked out to the left in the figure by the spring.

FIG. 5 shows the male member 70 on the dye liquid pipe side and the female member 74 on the air pipe side being shot. In this state, it is possible to clean the connecting portion between the two by, for example, feeding a cleaning liquid or the like.

A solenoid valve 20 is provided at the tip 17 of each dye pipe 16.
is installed.

The details of this electromagnetic valve 20 will be described later, but in summary, it includes an electromagnetic drive part 22, a wire 44 made of stainless steel or the like that moves up and down by this, an on-off valve part 23 arranged at the tip thereof, and a wire 44 that surrounds the electromagnetic drive part 22. pipe 24
It is a special valve with an integrated solenoid valve and nozzle.

This electromagnetic valve 20 receives the dye liquor formulation input into an input device connected to a device that controls the entire device.
That is, according to the recipe, it is opened and closed by an electric signal from the control device, and the designated amount of mother liquor and auxiliary agent is outputted to the liquid receiving cup 19.

By the way, in the current dyeing industry, there are two types of numerical values expressed in recipes. One is dough weight percent and the other is liquid volume percent. For both, the percentage of dye is important, but for liquid percentage, the total volume diluted with water is also an important precision factor. With these considerations in mind, a special valve with a high discharge flow rate is also available when adjusting the dough weight percentage.

Next, details of the solenoid valve 20 will be explained.

In the electromagnetic drive section 22, a cylindrical coil assembly 30 is disposed inside the housing 28. From the center of the upper part of the housing 28, the upper core 3
2 is inserted, and a lower core 34 is inserted from below. 36 is a body attached to the housing 28 via the lower core 34. 3
Reference numeral 8 denotes a cylindrical body, which is disposed below and continuous with the upper core 32 inside the coil assembly 30. Inside this cylindrical body 38, a plunger 40 is arranged to be vertically slidable. 39 is a space that allows the plunger 40 to move up and down.

Upper core 32, plunger 40, lower core 3
4. The body 36 has continuous vertical pores 42 formed therein. The mother liquor flows through this.

A wire 44 extending downward through the pore 42 is fixed to the plunger 40 via a pin 45, and the wire 44 and the plunger 40 move up and down together.

The pipe 24 fits into a small diameter portion at the bottom of the body 36. Near the lower end of the pipe 24,
A fixed guide 46 with a hole in the center is provided. A flat plate 48 is fixed to the wire 44 slightly below the guide 46 . Guide 46
A spring 50 is disposed between the wire 44 and the flat plate 48, and constantly urges the wire 44 downward via the flat plate 48. 55 is a short plastic tube for protection fitted over the valve seat 54.

23 is an on-off valve part, which comes into contact with a valve body 52 provided at the lower end of the wire 44.
It consists of a valve seat 54 attached to the lower end of the pipe 24.

61 is a lead wire.

When no current flows through the coil assembly 30, the biasing force of the spring 50 causes the valve body 52 to
comes into contact with the valve seat 54, so that the mother liquor does not flow out from the lower end of the pipe 24. When current flows through the coil assembly 30, the plunger 40 is pulled upwards, and the wire 44 is accordingly pulled up.
Since the valve body 52 is also pulled upward, the valve body 52 is separated from the valve seat 54, and the mother liquid in the pipe 24 flows out.

In this embodiment, the plunger and the valve body are connected by a wire, but any material other than the wire can be used as long as it is a thin and long member.

An example of how the solenoid valve 20 described above is used will be explained.

First, as a first step, the flow is continuously opened until it is determined by a signal from the balance that the weight has reached the required weight minus the preset weight. If the required weight is less than the set weight, continuous open and flow will not occur. In the second step, the valves are repeatedly opened in units of tens of hundredths of a second from the pre-stored discharge amount per unit time of each valve, and 99% of the target amount is discharged. After that, in the third step, the valve is repeatedly opened in units of several thousandths of a second.
100% of the desired amount will flow out. The liquid preparation method of the first to third steps is based on the characteristics of the solenoid valve 20 according to the present invention. That is, this metering method was made possible by having a valve at the tip of the nozzle and having an extremely narrow discharge port.

Reference numeral 60 denotes a holding member in the form of a partially spherical shell, and a holding member 62 having a similar shape is provided at the lower central portion of the holding member. The upper and lower holding members 60 and 62 are provided with a large number of insertion holes 64 and 66 at corresponding locations along a triple circumference. The pipe 24 of the solenoid valve 20 is inserted into the hole 64 in the upper support member 60, and the tip of the pipe 24 is inserted into the corresponding hole 66 in the lower support member 62.
At this time, the lower surface of the electromagnetic drive section 22 comes into contact with the upper surface of the upper holding member 60 and is held.

In this way, a large number of elongated electromagnetic valves converge radially, ie, conically, from above to below.

19 is a liquid receiving cup placed on the electronic balance 21.

Although not shown, a large number of liquid receiving cups 19
are installed in several rows behind the electronic balance 21. As shown in FIGS. 7 and 8, the robot hand 31 moves to grab the liquid receiving cup 21 at a location specified by the input device and places it on the electronic balance 21. The robot hand 31 can move on each of the X, Y, and Z axes as shown in FIG. 8 by being supported by an input device.

Similarly, although not shown, the electronic balance 21 is installed on a stand equipped with an air cylinder.
The liquid receiving cup 19 is placed on the balance (the position indicated by the two-dot chain line in Fig. 1), and then pushed up almost directly below the lower holding member 62 where the lower end of the solenoid valve 20 is assembled (the position indicated by the solid line in Fig. 1). position). When the predetermined measurement is completed, the balance 21 descends again to the position indicated by the two-dot chain line, and waits at that position until the robot hand 31 grasps the liquid receiving cup 21 containing the dye liquid that has been completely measured. The robot hand 31 moves this liquid receiving cup to a predetermined location based on instructions from the input device.

The measured value of the prepared solution is displayed on the attached display and printer according to the signal from the electronic balance 21, so that the weighing result can be checked.

In the apparatus of the present invention, by applying the robot hand 31 and the electronic balance 21, it is also possible to prepare the mother liquor and measure the weight of the dyed object.

The accuracy of the nozzle is important for the accuracy of an automatic liquid preparation device, but this nozzle often gets clogged due to solidification of the dye liquid and solid foreign matter in the dye liquid. In the present invention, such clogging can be prevented as follows. That is, mother liquor bottle 1
Two one-touch cutlet pullers placed on the lid of 0 1
8 from the mother liquor bottle 10, and as shown in FIG. do.

Another important point in liquid preparation accuracy is the settling of dye liquid that accumulates from the mother liquor bottle to the nozzle tip. If some of this precipitate gets mixed into the prepared solution, the concentration of the solution will be different from that of the mother solution.
Accuracy is greatly reduced.

To prevent this, before proceeding to the liquid preparation operation,
Due to precipitation, it is necessary to discard the non-uniformly concentrated solution portion.

This operation must be included in the liquid preparation operation at a predetermined amount and timing. There is a high possibility that this operation will prolong the liquid preparation work time.

In this case, in order to solve this problem, the mechanism shown in FIG. 11 is provided.

This mechanism will be explained below.

A funnel 8 with the same diameter as the nozzle assembly is attached to one end of the stainless steel pipe 80, which has two parts bent at right angles.
2 is attached, and the other end is connected to a timing pulley 86 that transmits the rotational movement from the stepping motor 84, and receives the waste liquid discharged from the nozzle assembly 79, and drains the waste liquid at the bottom of the machine. This is a mechanism that guides water into the groove.

When this liquid discard instruction command is given to this mechanism by an electrical signal, the rotating funnel moves to the bottom of the nozzle assembly, and the required amount of dye that needs to be discarded is simultaneously discharged, and then the liquid preparation operation is performed. Move to a location where there will be no obstruction.

This mechanism and the function of discharging the desired mother liquid all at once are designed so that the waste liquid discharging operation time does not extend the liquid preparation time.

This point will be explained in more detail as follows. 88 is a bearing attached to the top surface of the table, and the pipe 80 is provided to be rotatable relative to this bearing. timing pulley 86
engages a pulley 92 attached to stepping motor 84 via a similar pulley 90. As a result, the stepping motor 84 rotates by a predetermined angle, and the timing pulley 8
The L-shaped pipe 80 integrated with 6 changes its posture between the position shown by the solid line and the position shown by the dashed-dotted line in the figure. When the funnel 82 is at the position indicated by the solid line, when a liquid waste command is issued, the liquid waste is discharged outward from the lower end of the pipe 80. As the stepping motor 84 rotates, when the funnel 82 comes to the position indicated by the dashed line, a space is created below the nozzle assembly 79, allowing the electronic balance 21 to move upward.
At this time, by placing the liquid receiving cup on the electronic balance 21, it is possible to bring the liquid receiving cup below the nozzle assembly 79.

As mentioned above, precipitation of the dye liquor occurs, and this is particularly likely to occur between the elongated electromagnetic valves. Therefore, by discharging the entire mother liquor that remains inside the electromagnetic valve (nozzle), it becomes possible to eliminate the portion with uneven concentration.

In FIG. 12, this apparatus is equipped with a device that can continuously supply hot water necessary for preparing the dye mother liquor (dissolving the powder dye). A device has also been added that can continuously supply the cold water needed during liquid preparation.

It is connected to 5 nozzles for hot water and 10 nozzles for cold water, and has the ability to simultaneously discharge 5 or 10 nozzles of hot and cold water to shorten the supply time. It is also possible to select any one out of 5 or 10 and discharge it, which can be used for fine adjustment near the final point of liquid preparation.

This point will be explained in more detail with reference to FIG.

Water is supplied to the pipe 100 from the right side in the figure. 102 is a filter. The water that has passed through the filter passes through a pipe 104 extending upward in the figure to a manifold 106, where it becomes ten dilution water pipes 16 and reaches each electromagnetic valve 20, respectively. A horizontal pipe 106 branched from the pipe 104 reaches a heater 108, where it is heated. 110 is a temperature control device. The water heated in the heater 108 is
Via the main heating water pipe 16, the solenoid valve 2
0 (nozzle) respectively. When preparing the mother liquor, this warm water is used, and when preparing the mother liquor to obtain a dye liquor, this cold water is used as dilution water.

The nozzle assembly of this device is circular with a diameter of 10 cm, so unless the liquid receiving cup is 10 cm or more in diameter,
It cannot receive discharged liquid.

Sometimes it is done in test dye pots less than 10 cm in diameter. In order to solve this problem, this device is equipped with a removable funnel as shown in Fig. 13 below the nozzle assembly, and utilizes this funnel.
It is designed to allow injection into small diameter pots.

The liquid discharged from the nozzle assembly is pumped at a pressure of 0.2Kg/ ^cm2 , and due to the design of the nozzle outlet, the discharge trajectory is straight and concentrated at a point 9.5cm below the nozzle assembly. It's getting old. For this reason, even when injecting into a small diameter pot using a funnel,
The discharged liquid collects in the vertical pipe at the center of the funnel, and although it is unlikely that it will adhere to the sloped wall of the funnel, in the unlikely event that it does, the 10 nozzles explained in the continuous cold water supply mechanism are arranged around the outer periphery of the aggregate. It is installed in the funnel, and after preparing the dye solution, these 10 bottles of cold water (dilution water) are simultaneously discharged to create a shower, which also has the added function of washing away the dye remaining on the funnel.

This point will be expanded upon somewhat in accordance with Figure 13. 12
0 is a special liquid-receiving cup for the above purpose, and a mold 122 made of plastic foam is inserted inside the cup, and a small liquid-receiving cup 124 is positioned in the recess of this mold. . In contrast, the legs of the funnel 126 are inserted. Although the funnel 126 is not shown,
It is formed of plastic so as to fit over the periphery of the lower holding part 62.

In the above description, the nozzle aggregates are assembled in an inverted conical shape, but the shape is not limited to this, and the nozzles may be assembled on the lower end side.

[Effects of the Invention] As described above, in the present invention, it is possible to install the bulky electromagnetic drive part, that is, the electromagnet part of the solenoid valve at a position away from the liquid receiving cup for mixing, and moreover, the on-off valve part In other words, it has become possible to place the discharge port for the dye concentrate directly above the liquid receiving cup, and there is no long discharge pipe from the on-off valve to the liquid receiving cup as in the conventional system, so the desired amount of dye concentrate can be delivered. It becomes possible to discharge accurately, and the discharge pipe does not get clogged. In addition, since the precision of blending is increased as described above, there is no need to prepare two or more types of dye stock solutions as in the conventional method, and the apparatus can be downsized.

[Brief explanation of drawings]

FIG. 1 is an overall view of a device according to an embodiment of the present invention, FIG. 2 is a perspective view of its main parts, FIG. 3 is a sectional view of a solenoid valve used in the device, and FIG. 4 is a one-piece FIG. 5 is a perspective view of the one-touch puller in a shot state, and FIG. 6 shows the female and male members of the one-touch puller. FIG. 7 is an overall view of the device of the present invention, and FIG. 8 is a perspective view of the main parts of the robot hand. 9 is a perspective view showing the nozzle assembly, and FIG. 10 is a perspective view showing the nozzle assembly.
FIG. 11 is an explanatory view showing a state in which a book nozzle (electromagnetic valve) is inserted, FIG. 11 is a side view showing a modification of the present invention, and FIG. 12 is a side view showing still another modification of the invention. FIG. 13 is a side view showing still another modification of the present invention. [Explanation of symbols], 10... mother liquor bottle, 16...
Dye stock solution outflow pipe, 19...Liquid receiving cup, 20...
... Solenoid valve, 22 ... Electromagnetic drive section, 23 ... Opening/closing valve section, 44 ... Strip body.

Claims (1)

[Claims] 1. Each of the electromagnetic valves arranged at the tip of each outflow pipe extending from a large number of mother liquor bottles is separated into an upper electromagnetic drive part and a lower opening/closing valve part connected to the end of each outflow pipe, and both are separated. are connected by strips to form an elongated overall shape, and these numerous solenoid valves are positioned so that the sides of the on-off valve part converge, so that the side of the on-off valve part is A dye liquid mixing device characterized in that the liquid is collected above a receiving cup.