JPH01246483A - Chemical charging process and unit therefor - Google Patents

Abstract

PURPOSE:To provide the title unit so designed that a holder capable of holding plural chemical containers is intermittently rotated, and at its stopped position, one of said container is gripped and transferred to the above of a chemical-receiving tank followed by inverse charge of the chemical into said tank, thereby enabling the chemical to be reasonably charged without the need for any complicated pipings. CONSTITUTION:A circular holder 1 capable of holding plural chemical containers is rotated by means of an intermittently rotating means 5, and said containers 3 are successively brought to the above of a unloading means 9; and when the system is stopped by a positioning cylinder 7, one of said containers 3 is lifted between a pair of arms 19 within a gripping part 12 through a lifting plate 10 at the upper end of said means 9, and is gripped with said a pair of arms 19, allowed to slide above a chemical-receiving tank 13 followed by charging said tank 13 with the chemical in said container 3 by a rotary means 24. Thereafter, the container 3 emptied is returned to the original unloading position by a transfer means 11, being released from the gripping part 12, allowed to descend and returned to the original position in the holder 1. The above process is automatically repeated in succession, thus accomplishing easy and reasonable charge of plural chemicals into the tank 13 without the need for complicated pipings.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a chemical injection method and an apparatus therefor.

[Conventional technology]

In order to prepare a processing liquid to be used in a processing tank such as a dyeing tank, it is necessary to supply necessary dyes, auxiliary agents, and other chemicals to a chemical receiving tank of the processing tank. In order to automate such supply, a method has been proposed, for example, as disclosed in Japanese Utility Model Application Publication No. 103493/1983. In this method, as shown in FIG.
66 and the chemical receiving tank 68 of the processing tank 67, pipes 69 to 74 are provided, respectively, and valves 7 are installed in each pipe 69 to 74.
By opening and closing 5, a predetermined amount of each chemical is delivered to the chemical receiving tank 68.
The liquid is then introduced into the processing tank 67 via an injection pump 77. A circulation pump 76 is installed in the processing tank 67.
is attached.

[Problem to be solved by the invention]

In the chemical supply system as shown in FIG. 8, when the number of enemies in the processing tank 67 increases, as shown by the dashed line and the dashed double dot line in the same figure, the system is configured to supply chemicals into each of the chemical receiving tanks 68. , it is necessary to branch each of the pipes 69 to 74 and connect them to each of the chemical receiving tanks 68 as well.

For this reason, there was a problem that the piping became extremely complicated and the equipment cost increased. In particular, when a large number of treatment tanks 67, such as 8 or 10, are installed, it is difficult to supply chemicals through the piping as described above. In addition, when the amount of chemicals supplied is small, there is a serious problem of decreased accuracy due to residual chemical residue inside the piping.
When cleaning is performed with the aim of improving accuracy, a large amount of cleaning water is required, causing the problem that the total amount of liquid becomes excessive.

Therefore, an object of the present invention is to provide a chemical loading method that can automate and streamline the loading of chemicals into chemical receiving tanks, in order to adopt a transportation method that does not require complicated piping even when a large number of treatment tanks are installed. The purpose is to provide such equipment.

[Means to solve the problem]

The drug injection method of the present invention is a drug injection method in which drugs contained in a plurality of drug containers are sequentially introduced into a drug receiving tank, and the holder holding the drug containers is intermittently rotated to bring each drug container into a drug container takeout position. A process of successively reaching
Lifting the medicine container that has reached the take-out position from below the medicine container to a medicine container gripping position; gripping the medicine container at the medicine container gripping position and moving it above the medicine receiving tank; The method includes the step of inverting or tilting the chemical container that has been moved above the chemical receiving tank and introducing the chemical into the chemical receiving tank.

Further, the drug feeding device of the present invention includes a disc-shaped holder in which a plurality of drug container holding portions are provided at regular intervals in the circumferential direction and hold drug containers in these holding portions, and this holder is removably fitted. intermittent rotation means for intermittently rotating the holder;
a medicine container removal means for lifting the medicine container from the holder; a gripping means for gripping the lifted medicine container; and a moving means for moving the medicine container gripped by the gripping means above the medicine receiving tank; The device further includes a rotating means for rotating the gripping portion that has been moved to above the drug receiving tank, inverting or tilting the drug container, and introducing the drug into the drug receiving tank.

Here, the holder has its central axis protruding downward and is fitted into the intermittent rotation means.

Further, the gripping portion includes an L-shaped frame, a base end portion of which is rotatably pivoted to one piece of the L-shaped frame, and the one piece extends in the same direction as the other piece of the mustard-shaped frame. A pair of arms each having a concave portion for gripping a chemical container on mutually opposing surfaces of the distal ends thereof, and an arm opening/closing cylinder installed between these two arms and holding both arms so as to be close to each other and separate from each other. The other piece of the frame is attached to the rotating shaft of the rotating means.

[Effect]

According to the method of the present invention, the transported holder is fitted into the intermittent rotation means, and then moved intermittently to send each drug container one by one to the take-out position, where the drug container is moved to the upper drug container gripping position. The container is lifted up to the point where it is gripped, the container is then moved to the top of the container, and the container is inverted or tilted at this point to place the drug into the container.The process from transportation to loading is a series of continuous steps. In addition to being able to perform the chemical injection work efficiently, it is also possible to easily cope with an increase in the number of treatment tanks.

Further, the medicine feeding device of the present invention includes an intermittent rotation means for intermittently rotating the holder, a gripping means for gripping the medicine container,
Since it is equipped with a moving means for moving the chemical container and a rotating means for introducing the chemical, it is possible to automate the chemical injection work.

Furthermore, the holder has its central axis protruding downward,
Since it is fitted to the intermittent rotation means, only the holder can be separated, and the same holder can be used for through-transfer, and it is also possible to prepare for the next processing step with another holder, which is rational.

Further, the gripping portion is configured such that the base end portions of the pair of arms are each rotatably connected to one piece of the L-shaped frame, and each of the two arms extends in the same direction as the other piece of the mustard-shaped frame. Because of this, it is possible to securely grip the drug container, and the device itself can be made compact.

〔Example〕

An embodiment of the present invention will be described based on FIGS. 1 to 7. FIG. 1 is a partially cutaway front view of the conveying device used in this embodiment, FIG. 2 is a plan view thereof, and FIG. 3 is a side view thereof.

In FIG. 1, 1 is a holder, and this holder is a second
As shown in the figure, it is circular and has a plurality of drug container locking holes in the circumferential direction. - is formed in the locking hole 2, and the medicine container 3 is dropped into the locking hole 2 from above, and the flange 3a on the upper edge is inserted into the locking hole 2.
A central shaft 4 is provided at the center of the holder 1 to protrude in the vertical direction. The lower side of the central shaft 4 is removably inserted into a cylindrical receiving portion 5a provided on the upper surface of the intermittent rotation means 5. On the other hand, the upper side of the central shaft 4 serves as a suspension portion when the holder 1 is transported.

As the intermittent rotation means 5, for example, a gear motor with a brake is used. This is attached to the back surface of the top plate of the pedestal 6, with the receiving portion 5a protruding from the top plate. Further, a positioning cylinder 7 for the holder 1 is attached to the top plate together with the receiving portion 5a.

The rod on the upper surface of the positioning cylinder 7 is inserted into a small hole 8 provided in the holder 1 shown in FIG.

A take-out means 9 consisting of a cylinder or the like for taking out the medicine container 3 from the holder 1 is attached to one side of the pedestal 6. This take-out means 9 has a drug container push-up plate 1o attached to the tip of an upper rod, and pushes up the drug container 3 located above.

The medicine container 3 pushed upward by the taking-out means 9 is gripped by a grip part 12 provided on the moving means 11, and is slid nearly above the medicine receiving tank 13. Details of the moving means 1 are shown in FIGS. 5 and 6. FIG. 5 is a plan view of the moving means 11, and FIG. 6 is a front view thereof.

That is, the moving means 11 is slidably attached to a guide bar 15.15 mounted on the mounting base 14, and is slid along the guide bar 15.15 by a cylinder 16 provided at the bottom as shown in FIG. .

As shown in FIG. 5, the grip part 12 has a pair of arms 19 and 19 each held in one piece of the L-shaped frame 18 so as to be rotatable about a rotation shaft 20, and a cylinder 21 for opening and closing the arms. Shafts 23 are provided at both ends so that they can approach and separate from each other, and drug containers 3 are provided at the mutually opposing surfaces of the tips.
A recessed portion 19a is formed for gripping, and a lining material 22 such as rubber is attached to the inner surface of this recessed portion 19a. Note that FIG. 7 is a sectional view taken along the line ■-■ in FIG. 5, and shows the mounting structure of the arm 19 to the L-shaped frame 18.

The other part of the gripping part 12 is connected to a rotating means 24 such as a motor attached to the moving means 11.

At this time, a pair of arms 19. ．． 19 extends from one piece of the L-shaped frame 18 in the same direction as the other piece. This makes the device more compact.

Next, a chemical injection method using the chemical injection device of this embodiment will be explained step by step.

(2) Mounting process of holder l The holder 1 is transported by a transport device (not shown), and the central shaft 4 is mounted on the receiving portion 5a of the intermittent rotation means 5.

(2) Intermittent rotation process of holder 1 The holder 1 is intermittently rotated by the intermittent rotation means 5, and the chemical containers 3 are sequentially sent above the take-out means 9, and stopped in the positioned state by the positioning cylinder 7.

(2) Removal process of the chemical container 3 As the intermittent rotation stops, the push-up plate 10 at the upper end of the ejecting means 9 rises and lifts the chemical container 3 upward. At this time, the moving means 11 is in the position shown by the dashed line in FIG. 1, and the arms 19, 19 in the grip part 12 are in the open state. The drug container 3 is pushed up between these arms 19.19.

(2) Grasping process of drug container 3 Both arms 19 and 19 are rotated by the arm opening/closing cylinder 21 provided on the gripping portion 12 in the closing direction, that is, in the direction toward each other, and grip the drug container 3.

(3) Moving process of medicine container 3 After gripping the medicine container 3 with the grip part 12, the sliding cylinder 16 is activated to move the medicine container 3 to near the upper part of the medicine receiving tank 13.

■Chemical injection process When the chemical container 3 reaches near the top of the chemical receiving tank 13,
The rotating means 24 rotates (indicated by arrow A in FIG. 2), and the medicine in the medicine container 3 is thrown into the medicine receiving tank 13.

■Returning process of drug container 3 After adding the drug, the drug container 3 is returned to its original upright position, returned to the original removal position by the moving means 11, and held by the grip part 12.
It is released from the holder l, received by the push-up plate 1°, and lowered to lock it in the original position of the holder l.

Thereafter, the holder l starts intermittent rotation again and stops the next medicine container 3 at the removal position. Thereafter, the steps from (1) to (4) are repeated to sequentially introduce chemicals into the chemical receiving tank 13.

〔Effect of the invention〕

According to the method of the present invention, it is possible to automatically perform the work of adding chemicals, and it is possible to easily cope with an increase in the number of processing tanks.

Furthermore, the chemical injection device of the present invention enables automation of chemical injection work.

[Brief explanation of the drawing]

Fig. 1 is a partially cutaway front view of a conveying device used in an embodiment of the present invention, Fig. 2 is a plan view thereof, Fig. 3 is a side view, and Fig. 4 is a cross section showing the state in which the holder holds the drug container. 5 is a plan view of the moving means, FIG. 6 is a front view thereof, FIG. 7 is a sectional view taken along the line ■-■ in FIG. 5, and FIG. 8 is an explanatory diagram showing a conventional drug feeding means. be. 1--Holder, 3--Drug container, 4--Center shaft,
5.-intermittent rotation means, 9-.take-out means, 11.--
Moving means, 12--Gripping part, 13--Drug receiving tank, 2
4...Rotating means

Claims (4)

[Claims] (1) A drug loading method in which drugs contained in a plurality of drug containers are sequentially introduced into a drug receiving tank, in which a holder holding the drug containers is intermittently rotated and each drug container is sequentially brought to a drug container removal position. a step of lifting the drug container that has reached the take-out position from below the drug container and moving it to a drug container gripping position; grasping the drug container at the drug container gripping position and moving it above the drug receiving tank; and a step of inverting or tilting the chemical container that has been moved above the chemical receiving tank and introducing the chemical into the chemical receiving tank. (2) A plurality of drug container holding parts are provided at regular intervals in the circumferential direction, and a disc-shaped holder holds a drug container with these holding parts. This holder is removably fitted, and the holder is rotated intermittently. a medicine container removal means for pulling up the medicine container from the holder; a gripping means for gripping the pulled-up medicine container; and a gripping means for moving the medicine container gripped by the gripping means above the medicine receiving tank. A medicine injection device comprising: a moving means; and a rotating means for rotating a grip part that has been moved above the medicine reservoir to invert or tilt the medicine container and to introduce medicine into the medicine reservoir. (3) The chemical injection device according to claim (2), wherein the holder has a central axis that projects downward and is fitted into the intermittent rotation means. (4) The gripping portion includes an L-shaped frame body, and a proximal end rotatably connected to one piece of the L-shaped frame body, and an L-shaped frame body from this one piece.
A pair of arms extending in the same direction as the other piece of the frame body and each having a recessed portion for gripping a drug container on the mutually opposing surfaces of their tips, and a pair of arms installed between these two arms to hold both arms. ,
2. The chemical injection device according to claim 2, further comprising an arm opening/closing cylinder held so as to be close to each other and separated from each other, and wherein the other piece of the L-shaped frame is attached to the rotating shaft of the rotating means.