JP2864281B2 - Automatic liquid preparation device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an apparatus for automatically preparing a large number of raw materials selectively in a container or a tank in sequence.

[Prior art and its problems]

In the case of producing a product by mixing or reacting a large number of main raw materials and sub-raw materials, conventionally, the main raw materials and the sub-raw materials have been supplied by directly connecting a pipe to a container or a tank.

Therefore, the pipes become branched and complicated, and there is a problem in terms of quality control as well as operation management and maintenance management due to the difficulty of cleaning. In a factory for producing paints, inks, etc., it has been general to carry out liquid preparation and preparation by placing a container or a tank on a wheelbarrow or the like and moving it to a place for receiving raw materials and auxiliary raw materials.

On the other hand, the development of a moving tank type multi-purpose batch system for the purpose of multi-product variable-volume production with demand diversification has been demanded and has already been implemented, but even in this method, a moving tank loaded on a carrier is required. Raw materials provided along the transport path,
Since the material is moved to the auxiliary material supply station and connected to the pipe each time to receive the material and the auxiliary material, the time loss cannot be neglected.

[Problems to be solved by the invention]

The present invention solves the above-mentioned problems of the prior art, moves a container or a tank to a rotatable table, rotates the table, and connects one of the material receiving ports of a plurality of raw material supply pipes. It is an object of the present invention to provide an automatic liquid preparation apparatus for supplying a raw material to a container or a tank in accordance with the above.

[Means for solving the problem]

In order to achieve the above object, an automatic liquid preparation device according to the present invention includes a rotatable table having a plurality of supports erected, a donut-shaped tray having a trough section supported by the supports, and A raw material receiving port having an opening, and a plurality of raw material supply pipes each having a pipe end concentric with the table vertically provided in the receiving pan, and a container or a tank on the table is provided with the raw material receiving port. By rotating the table and the tray so as to face each other, and matching the raw material receiving port with one of the pipe ends of the raw material supply pipes, it is possible to selectively supply a large number of raw materials. This is the feature.

〔Example〕

 An embodiment of the present invention will be described with reference to the drawings.

In the figure, 1 is a container or tank, 2 is a supply station, 3 is a liquid preparation station, and 4 is a dispensing station. Further, transfer devices 5 and 6 such as roller conveyors are provided on the upper surfaces of the supply station 2 and the payout station 4.

The liquid preparation station 3 includes a rotatable circular table 7 and a plurality of supports 8 erected on the table 7.
8, and a dough-shaped tray 9 having a trough-shaped section. The rotation of the table 7 of the liquid preparation station 3 will be described. The base is erected on the base 10
Supports a protruding portion 11 provided at the center of the lower surface of the circular table 7 so as to be rotatable. Reference numeral 12 denotes a ridge protruding from the entire periphery of the side edge of the table 7, and the ridge 12 is a guide member provided on the top of a circular guide member 13 centered on the base 10. It is loosely fitted into the concave groove 14 via a bearing or the like.

Reference numeral 15 denotes a motor fixed to the guide member 13 described above. A pinion 16 is fixed to a shaft of the motor 15, and the pinion 16 is mounted on the table 7 which is concentric with the ridge 12. The rack 17 is engaged with the vertically suspended rack 17.

Therefore, when the motor 15 is actuated, the pinion 16 rotates, and the table 7 is provided with a ridge 12 projecting from the top of the guide member 13 at the top of the guide member 13 via the rack 17 meshing with the pinion 16. It is guided along the concave groove 14 and slidably rotates forward or reverse.

At substantially the center of the table 7, a footrest 20 of the container receiving / dispensing device 19 is erected, and a cylinder 21 is provided on the footrest 20. Reference numeral 22 denotes a piston rod of the cylinder 21 described above, and a tip of the piston rod 22 is connected to a container holding device 23.

The container gripping device 23 will be described. The tip of the piston rod 22 of the cylinder 21 has a U-shaped arm 24.
Is connected in the top piece 24 _1, wherein the tip portions of both folding Kyokuashi 24 _2, 24 ₂ of the U-shaped arm 24 the cylinder 25 is fixed, the piston rod 26, 26 of the cylinder 25, 25 Handles 27, 27 having a shape capable of holding the side surface of the container 1 are connected to the tip of the container. Both folding arms 24 _2, 24 ₂ of the U-shaped arm 24 described above is supported by struts 28, 28 which is loosely fitted slidably on the guide rails 29, 29 are laid on the table 7.

A weighing machine 30 is provided between the two guide rails 29, 29.
Is provided, and a roller conveyor 31 is provided above the weighing machine 30. Since the level of the conveyor 31 is the same as the level of the transfer device 5 such as the conveyor on the supply station 2 described above, the container 1 on the supply station 2 is moved to the cylinders 25, 2 of the container gripping device 23.
5 to operate the piston rods of the cylinders 25 and 25, respectively.
The container 1 is gripped by the grips 27, 27 at the tips of 26, 26, and the cylinder 21 of the container receiving / dispensing device 19 is operated, and the U-shaped arm 24 to which the piston rod 22 of the cylinder 21 is connected is retracted from the piston rod 22. By doing so, the container 1 is moved from above the conveyor 5 to the conveyor 31. At this time, the column 28 also slides along the guide rail 29, and the container 1 can be completely transferred onto the conveyor 31 of the table 7. And
When the container 1 is transferred to a predetermined position on the table 7, the operation of the cylinder 21 is stopped, and the cylinder
25, 25 are actuated to retract the handles 27, 27, respectively, to bring the container 1 into a fuller state, and to measure the weight of the container 1 before the raw material is supplied.

As described above, the guide rails 29, 29 and the columns 28 hold the weight of the arm 24, and the container 1 held by the handles 27, 27
For smooth transfer.

The dough-shaped tray 9 having a gutter-shaped cross-section concentric with the table 7 opens the raw material supply section 33, and the raw material supply section 33 is opened.
A funnel-shaped receiving port 34 whose upper part is expanded is inserted in a liquid-tight manner into the opening. In addition, the raw material supply unit 33 of the tray 9 described above.
A cleaning unit 35 is provided at a different position from the cleaning unit 35.
Communicates with the cleaning liquid supply pipe 36, and a side wall of the receiving tray 9 is opened to communicate with the cleaning liquid supply pipe 37. The cleaning liquid supply pipe 37 and the cleaning liquid supply pipe 36 are, for example, a support 8, a table 7, Each is connected to equipment outside the system via the base 10.

Further, a cleaning liquid having a nozzle 38 attached to the tip of the cleaning liquid supply pipe 37 is sprayed from the nozzle 38 to thereby receive the receiving pan 9.
And wash it out.

40, 40, 40,... Are a number of raw material supply pipes arranged concentrically with the table 7 above the table 7, and each of the raw material supply pipes 40, 40, 40,. Of the tray 9 is always positioned at the center of the width of the tray 9 even if the tray 9 is rotated forward or inverted.
Therefore, by rotating the table 7, one of the above-mentioned many material supply pipes is selected, and the receiving port 34 of the material supply part 33 of the tray 9 is located below the tip 41 of the selected material supply pipe 40. , The tip 41 is always located substantially at the center of the receiving port 34.

Also, an electromagnetic valve 42 is provided near the tip of the above-described raw material supply pipe 40, and is connected to the weighing machine 30 so that accurate weighing is performed by a computer.

Since the present embodiment is configured as described above, when the container 1 is conveyed to the supply station 2 by a conveyance means such as an automatic conveyance vehicle, a hand cart, etc., the cylinder 21 of the container receiving and dispensing device 19 on the table 7 is operated. When the piston rod 22 is moved forward, the container gripping device 23 connected to the piston rod 22 also has its columns 28, 2
8 is guided by the guide rails 29, 29 and advances, and after stopping at a predetermined position, the cylinders 25, 25 of the container gripping device 23 are operated to advance the piston rods 26, 26, and the piston rods 26, 26 are moved. The container 1 is held from both sides by handles 27, 27 provided at the tip.

Next, when the cylinder 21 of the container receiving / paying device 19 is operated to retreat the piston rod 22, the container 1 is moved to the conveyor 5,
31 smoothly moves, and the columns 28, 28 of the container handle device 23 are also guided by the guide rails 29, 29 and retreat to the table 7 side,
After the container 1 is transferred to a predetermined position on the table 7 and stopped, the cylinders 25, 25 of the container gripping device 23 are operated, and the piston rods 26, 26
And the container 1 is set in a free state. In this state, the weight of the container 1 before the raw material supply is
Weigh by

Subsequently, in supplying a desired raw material among a large number of raw materials and sub-raw materials, the pipe end 41 of the desired raw material supply pipe 40 is connected to the raw material supply section 33 of the tray 9 by an instruction from a central control room (not shown). The table 15 is rotated by operating the motor 15 so that the table 7 is located at the center of the receiving port 34.

In the embodiment shown in FIG. 2, nine raw material supply pipes 40, 40,...
Are concentrically suspended from the table 7 from above, but the number of supply pipes 40, 40,... Is not limited, and a desired raw material supply pipe 40 is selectively provided depending on the rotation angle of the table.
And the receiving end 34 of the raw material supply unit 33 of the tray 9 can be aligned.

Since the electromagnetic valve 42 and the weighing machine 30 provided in the raw material supply pipe 40 are connected by a computer, the desired raw material can be supplied to the predetermined amount container 1 and when the desired raw material has been supplied to the predetermined amount container. , The table 7 is rotated, and the conveyor on the table 7 is rotated.
The table 7 is stopped at a position where the conveyor 31 on the dispensing station 4 is aligned with the conveyor 31, and the cylinders 25, 25 of the container gripping device 23 are operated to hold the container 1 with the handles 27, 27. The cylinder 21 is operated to move the piston rod 22 forward, and the container 1 is transferred onto the conveyor 6 of the dispensing station 4.

When there is a possibility that the amount of the raw material supplied may be greater than that measured by dripping from the pipe end 41, a predetermined amount of the supply is measured, and when the supply is completed, the table 7 is slightly rotated to supply the raw material to the supply pipe 40. The pipe end 41 is stopped at a position where the receiving port 34 does not communicate with the pipe end 41 so that the dripping is received by the receiving tray 9.

When the pipe end 41 of the supply pipe 40 is to be cleaned, the table 7 is rotated so that the pipe end 41 is positioned at the cleaning section 35, and the cleaning liquid is fed from the cleaning liquid supply pipe 37 and ejected from the nozzle 38. As a result, the pipe end 41 is washed, and the washed liquid is discharged from the cleaning liquid discharge pipe 36 to the outside of the system.

If necessary, a cleaning liquid supply pipe and a discharge pipe can be attached to the raw material supply pipe 40 to clean the receiving port 34 and receive the cleaning liquid in another container.

In the above-described embodiment, when supplying the raw material to the container 1,
Although the method has been described in which the raw material supply pipe is supplied to the container 1 from the end of the raw material supply pipe through the receiving port 34, the raw material that is dangerous, odorous, a fluid that easily dries, etc., and it is better to avoid contact with the atmosphere as much as possible. When supplying the raw material, it is also possible to make a part of the raw material supply pipe flexible, provide a guide, and insert the pipe end of the raw material supply pipe directly into the container to supply the raw material.

In this embodiment, the raw material is described as a fluid.
It is also possible to supply the raw material in the form of pellets, and in the above-described embodiment, the operation of supplying the raw material to the container has been described. However, a multipurpose batch system using a moving tank for manufacturing a product by moving a tank larger than the container. In the above, the automatic transport vehicle loaded with the moving tank is stopped at a predetermined position near the liquid preparation station, the moving tank is transferred from the automatic transport vehicle to the table by the transfer device, and selectively operated by performing the above-described operation. It is also possible to measure and supply a large number of raw materials to the automatic transport vehicle again from the table by the transfer device.

In the above-described embodiment, it has been described that the container selectively receiving a large number of raw materials is dispensed at the dispensing station installed at a position opposite to the supply station, but the position of the dispensing station is not limited, and If necessary, it is possible to use both the supply station and the payout station in the process.

Further, in the embodiment, the conveyor is laid on the supply station 2, the liquid preparation station 3, and the dispensing station 4. However, it is sufficient that containers or tanks can be smoothly transferred. Alternatively, in order to reduce the loading weight of the table 7, the container receiving / dispensing device 19 and the container gripping device 23 can be installed in the supply station 2 and the dispensing station 4 to transfer the container or the tank to the table 7. .

The present embodiment is as described above, and in the case where a large number of raw materials are conventionally supplied to one container or tank, each raw material pipe is directly connected, or the container or the tank is manually or automatically placed near the raw material tank. It was moved and supplied. Therefore, there were problems such as low production efficiency due to maintenance management and cleaning of the pipes laid in a branch or time loss due to the supply of raw materials. However, the use of the automatic liquid preparation apparatus according to the present embodiment Has been solved. That is, in the present embodiment, in order to selectively supply a large number of raw materials and auxiliary raw materials to the container or the tank in sequence, a large number of raw material supply pipes are placed on a rotatable table from above and concentrically with the table. The container or tank is placed on the table, and the table is rotated to move the container or tank below the desired raw material supply pipe and fixed to automatically adjust and measure the liquid. By repeating this operation, it is possible to selectively supply a large number of raw materials,
When the raw material supply is completed, the table is rotated to transfer the container or the tank from the table to the dispensing station, and the cleaning of the pipe end of the raw material supply pipe or the dripping from the pipe end is performed by the saucer. It does not contaminate the table.

〔The invention's effect〕

In the automatic liquid preparation apparatus according to the present invention, each tube end is suspended from a raw material receiving port opened in a donut-shaped tray having a gutter-shaped cross section supported by a support erected on a rotatable table. The table is provided with a number of concentric raw material supply pipes, and a container or a tank is transferred to the table, and the table is rotated to place the container or the tank under a desired raw material supply pipe. A liquid is prepared by positioning it. By repeating the operation, a large number of raw materials can be selectively supplied to a container or a tank, which contributes to a multi-product small-lot production system that handles a large number of raw materials. There is something.

[Brief description of the drawings]

The drawings show an embodiment of the present invention. FIG. 1 is a side view and FIG. 2 is a plan view. 1: Container or tank, 2: Supply station 3: Liquid preparation station 4: Dispensing station 7: Table 8, 8, ...: Support 9: Receiving tray, 19: Container receiving and dispensing device 23: Container holding device, 21, 25: Cylinder 30: Weighing machine, 33: Raw material supply unit 35: Washing unit, 40: Raw material supply pipe

Claims (2)

(57) [Claims] 1. A rotatable table having a plurality of supports erected thereon, a donut-shaped tray having a trough-shaped section supported by the supports, a raw material receiving port opened in the tray, and respective pipe ends. Is provided with a plurality of raw material supply pipes concentrically with the table vertically provided in the tray, so that a container or a tank on the table faces the raw material receiving port, and the table and the tray are rotated, An automatic liquid preparation apparatus characterized in that a large number of raw materials are selectively supplied by matching one of the end portions of a large number of raw material supply pipes with the raw material receiving port. 2. The automatic liquid preparation apparatus according to claim 1, wherein a cleaning liquid supply pipe for supplying the cleaning liquid to the receiving tray and a discharge pipe for discharging the fluid are connected.