JPH03296406A - Filter device - Google Patents

Abstract

PURPOSE:To contrive a continuous filtration through only a given number of the filter member-mounted holes formed in a retaining member by providing an untreated liq. supply mechanism adapted to move vertically into contact with the upper surface of the retaining member to supply the untreated liq. into the holes provided with the filter member. CONSTITUTION:A retaining member 4 is provided with a plurality of holes 4a formed therein at predetermined intervals to mount filter members 6 in the holes. The retaining members 4 is moved intermittently in the horizontal direction by means of the driving means consisting of a motor 13, pulleys 11 and 14, a belt 15, etc. An untreated liq. supply mechanism 18 is moved vertically into contact with the upper surface of the retaining member 4 to supply the untreated liq. into the holes 4a provided with the filter members 6. A mechanism 32 for receiving the filtered liq. is located in a position opposite to the untreated liq. supply mechanism 18 across from the retaining member 4. As a result, a continuous filtration can be effected through only a given number of the filter member-mounted holes formed in the retaining member 4.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a transient device in a clinical test pretreatment device or the like.

(Prior art) Generally, when a sample such as blood, biological membrane, or antibody is to be examined in detail, a sample of blood, biological membrane, or antibody, and a prescribed reagent solution are supplied to a pre-prepared bottle. The sample and reagent solution are stirred and mixed by shaking the bottle, and then the processed solution in the bottle after the shaking operation is suctioned with a pump etc. and supplied to the transit member, and the filtered processing solution is transferred to a designated tank. In addition to storing the filter, the filter with the test substance attached due to over-operation is placed in a separately prepared bottle, a scintillator is added thereto, and the filter is sent to the inspection process.

(Problems to be Solved by the Invention) The transient device used in the above-mentioned filtration operation is configured to set a filter punched into a predetermined shape from a strip of filter material in the processing position of the transit device, and to perform a shaking operation. The finished treated liquid is sucked through a bong 1, etc. and supplied onto the filter, and the over-treated treated liquid is stored in a tank installed below the filter.The filtration operation for one treated liquid is Once the process is complete, the filter used for the filtration process is taken out and placed in a separately prepared bottle, and a new filter is attached to carry out the filtration process for the next process liquid.

In such a passing-through device, the operator must perform operations such as attaching a filter and removing the filter used for over-processing each time one processing liquid is over-processed, which reduces work efficiency. It was very bad. Furthermore, since the treatment liquid is simply supplied onto the filter, there are problems such as an extremely long overtreatment time.

(Objective) The first object of the present invention is to enable continuous filtration operation.

The second purpose is to shorten transient processing time.

(Means for Solving the Problems) In order to achieve the above-mentioned first object, the filtration device of the present invention includes a holding member in which a plurality of holes into which filtering members are attached are bored at predetermined intervals. , a drive mechanism that moves the holding member intermittently in the horizontal direction; and a processing liquid supply device that moves in the vertical direction and contacts the upper surface of the holding member to supply the processing liquid to the hole in which the filtering member is installed. It is composed of a tank and a receiving mechanism for receiving the filtered processing liquid, which is installed at a position facing the processing liquid supply tank with the holding member in between.

In order to achieve the second object, the filtration device of the present invention is configured such that the processing liquid supply tube is configured to supply the processing liquid onto the filtration member at a predetermined pressure, and the processing liquid is The processing liquid receiving mechanism is configured to move in the vertical direction and come into contact with the lower surface of the holding member to apply negative pressure to the processing liquid (Example) The structure of the filtration device of the present invention will be explained below. do.

2 is a frame attached to the machine base 1, and a guide 3 is integrally formed therein. 4 is a holding member in which a plurality of holes 4a are bored at predetermined intervals for mounting a perforated plate 5 or a filter member such as a wire mesh and a filter 6;
It engages with the guide 3 and moves in the horizontal direction. A wire mesh can also be used in place of the perforated plate 5 described above. Reference numeral 57.8 is a bracket attached to the frame 2 at a predetermined interval, and the screw shaft 9 is parallel to the lower part of the guide 3. A retaining member 4 is attached to the screw shaft 9 so as to be rotatable with a screw (not shown).
A nut is integrally attached to the screw shaft 9, and a pulley 11 is integrally attached to the end of the screw shaft 9. 12 is a bracket attached to the lower part of the frame 2, and a pulse motor 13 or a synchronous motor is attached thereto. A pulley 14 is attached to the end of the output shaft of the pulse motor 13, and a perforated plate 17 is attached to the e-end. A belt 15 is passed around the boot 911.14, and when the pulse motor 13 is operated, the screw shaft 9 is rotated by the pulley 11.14, and the holding member 4
is moved along the guide 3. Reference numeral 16 denotes a pulse detector attached to the frame 2, which detects the rotation angle of the porous plate 17 to control the rotation speed, rotation angle, etc. of the pulse motor 13.

Reference numeral 18 denotes a processing liquid supply m-ellipse installed at a sump operation position close to the holding member 4. A bracket 19 is attached to the surface of the frame 2 opposite to the surface on which the kite 3 is formed, and a fluid cylinder 20 is attached thereto. A connecting plate 21 is integrally attached to the piston rod of the fluid cylinder 20. A shaft 22 is attached at one end to the connecting plate 21 and at the other end to the support member 24, and is attached to the bracket 19 by a bearing 23 so as to be movable in the vertical direction. 25 is a positioning stopper attached to the bracket 19, and 26 is a bolt for a stopper installed on the support member 24 with a diameter of f.

When the bolt 26 comes into contact with the stopper 25, the supporting member 2
4 is positioned in the downward direction.

Reference numeral 27 denotes a shaft that is vertically movably attached to the support member 24, and a pressing plate 28 is integrally attached to the lower end. A spring 29 is attached to the shaft body 27 so as to be located between the support member 24 and the pressing plate 28, and the spring 29 holds the packing 31 adhered to the lower surface of the pressing plate 28 against the holding member 4 with a predetermined surface pressure. Press so that they touch. 3
0, the end is on the pressing plate 28, fl! One end is a supply pipe connected to a pump (not shown) that sucks and delivers the processing liquid, and supplies the processing liquid prepared in a bottle (not shown) or the like onto the filter 6. A pipe for sucking the processing liquid from inside the bottle is connected to the above-mentioned pump (not shown), and the chain pipe is moved by a fluid cylinder or the like to a processing liquid suction position inside the bottle and a standby position outside the bottle. It is now possible to do so. In addition, when the processing liquid runs out, cleaning liquid is supplied to the bottle to clean the inside of the bottle (5), and the cleaning liquid is sucked and sent to the filter 6 to clean the inside of the pump, supply pipe, etc. It is supposed to be done.

32 is a processing liquid receiving mechanism installed in the vicinity of the holding member 4 at the filtration operation position. Reference numeral 33 denotes a bracket attached to the machine base 1, on which a suction shaft 35 is attached so as to be movable in the vertical direction by a bearing 34. A communication hole 35a is formed in the suction shaft 35, and a suction tube 37 is connected to the lower end. Further, an O-ring 36 is fitted to the upper end of the suction shaft 35. 38 is a support plate integrally attached to the bracket 33, and a fluid cylinder 39 is attached thereto. And the connector 4
0, the piston rod of the fluid cylinder 39 and the suction shaft body 35 are integrally connected, and when the fluid cylinder 39 is operated and the piston rod comes out and retracts, the suction shaft body 35
is moved in the vertical direction so that its upper end abuts against the holding member 4,
- The over member attachment hole 4a and the communication hole 35a communicate with each other.

The end of the suction pipe 37 described above is connected to a tank (not shown) that stores the filtered processing liquid, and a pipe having a switching valve connected to a negative pressure source is connected to the tank. has been done.

A compressed air supply pipe (not shown) having a switching valve and the like is connected to each of the above-mentioned fluid cylinders 20, 39. Also,
The pulse motor 13, fluid cylinders 20, 39, etc. are controlled by a control device such as a microcomputer.

When performing a processing liquid filtration operation using the above-mentioned filtration device, first, the control device (not shown) is provided with the following information: the feeding speed of the holding member 4, the feeding pitch, the processing liquid supply amount, the supply speed, the cleaning liquid supply timing, Set and input the supply amount, fluid cylinder operation timing, etc.

In addition, a perforated plate 5 is provided in the filter member attachment hole 4a of the holding member 4.
and insert filter 6. On the other hand, a bottle containing a processing liquid to be filtered is placed at a predetermined position, and a predetermined amount of cleaning liquid is poured into a storage tank, a bottle, or the like.

When these preparations are completed and the control device (not shown) is started, the pulse motor 13 is activated, the screw shaft 9 is rotated by the pulleys 11, 14, and the holding member 4 is moved in the horizontal direction. When the first filter member attachment hole 4a reaches the vA operation position 1, the fluid cylinder 20 is activated, the piston rod protrudes, the support member 24 is moved downward together with the shaft 22, and the bolt 26 stops at the position where it comes into contact with the payload 25. At this time, since the pressing plate 28 is pressed by the tin ring 29, the packing 31 is brought into contact with the holding member 4 with a predetermined surface pressure. Simultaneously with this operation, the fluid cylinder 39 is activated, the piston rod protrudes, and the suction shaft 35, which was in the standby position, is moved upward.

When the upper part of the suction shaft 35 comes into contact with the lower surface of the holding member 4, a pump (not shown) is activated, and the processing liquid is sucked from the bottle (not shown) and supplied onto the filter 6. . On the other hand, a tank (not shown) is communicated with a negative pressure source, and a suction force is applied to the suction pipe 37 to suck the processing liquid supplied onto the filter 6 from below. Then, the processing liquid filtered by the filter 6 passes through the holes in the perforated plate 5 and is sent from the suction pipe to a tank (not shown). Then, when the processing liquid in the bottle (not shown) runs out, cleaning liquid is supplied to clean the inside of the bottle. Further, while the cleaning liquid is sucked and sent to the filter 6 by a pump (not shown), the inside of the pump, supply pipe 30, etc. is cleaned.

Then, when all of the cleaning liquid is supplied onto the filter 6 and passes through the filter 6 and enters the storage tank (not shown), the pump (not shown) is stopped, and the suction pipe (not shown) is stopped. ) is pulled out from inside the bin to the standby position. On the other hand, the conduit of the negative pressure source is switched, and the suction force acting on the suction shaft 35 disappears. Then, the fluid cylinder 20 is actuated, the piston rod is retracted, and the support member 24
At the same time, the press plate 28 is returned to the standby position. Simultaneously with this operation, the fluid cylinder 39 is activated, the piston rod is retracted, and the suction shaft body 35 is returned to the standby position, the pulse motor 13 is activated, the screw shaft 9 is rotated, and the holding member 4 is rotated.
is moved. Then, the second filtration member mounting hole 4
a: When the MF' over-operation position is reached, the suction tube (not shown)
is inserted into the second bottle, and the second treatment liquid is filtered in the same manner as described above. When this one-time operation is repeated and all the filtration members attached to the holding member 4 are used, the pulse motor 13 is activated and the holding member 4 is returned to the standby position.

When the holding member 4 is returned to the standby position, the filter 6 used in the above-mentioned filtration process is taken out by an operator using tweezers or the like and placed in an empty bottle prepared in advance, or moved vertically by a fluid cylinder. With,
A filter reloading device with a filter piercing bottle protruding from the tip of an arm that rotates in the horizontal direction is installed on the downstream side of the above-mentioned filtration device, and after the filtering operation is completed, the filter 6 is sequentially transferred to the filtration member. Take it out from the mounting hole 4a and replace it with an empty bottle.

In addition, the insertion operation of the filter 6 into the filter member mounting hole 4a does not depend on the operator, and the belt-shaped filter material supply mechanism,
It is also possible to sequentially insert the holding member while moving it intermittently using a filter forming device consisting of a punching mechanism and a filter suction mounting mechanism.

Complete automation can be achieved by installing a filter forming device downstream of the overtreatment position and a filter reloading device downstream of the overtreatment position of the filtration device of the present invention.

(Effects of the Invention) As described above, the filtration device of claim 1 includes a holding member in which a plurality of holes into which the filtration members are attached are bored at predetermined intervals, and a holding member intermittently arranged in the horizontal direction. a processing liquid supply tank that moves vertically to abut against the upper surface of the holding member and supplies the processing liquid to the hole in which the filtration member is installed; Since it is composed of a liquid supply tank and a receiving mechanism for temporarily treated processing liquid installed at a position opposite to the liquid supply tank, temporary operations can be performed as many times as there are temporary member mounting holes drilled in the holding member. The processing liquid supply device tank according to claim 2, which can perform continuous processing, is configured to supply the processing liquid onto the temporary member at a predetermined pressure.
The transient processing time can be shortened compared to the case where it is simply supplied onto a filter.

The receiving mechanism for the filtered processing liquid according to claim 3 is configured to move in the vertical direction and come into contact with the lower surface of the holding member to apply negative pressure to the processing liquid, so that the receiving mechanism for the filtered processing liquid is simply supplied onto the filter. The temporary processing time can be shortened compared to the case where only

Furthermore, by installing a processing liquid supply tank that supplies the processing liquid onto the transient member at a predetermined pressure and a processing liquid receiving mechanism that applies negative pressure to the processing liquid, it is possible to reduce the transient force caused by the pressure of the processing liquid. , the transient force due to the suction force is added, and the filtration processing time can be further shortened.

[Brief explanation of the drawing]

FIG. 1 is a schematic diagram showing one embodiment of the filtration device of the present invention. FIG. 2 is a view taken along the Z arrow in FIG. 1. 1: 111 units, 2: frame, 3: kite,
4: Holding member, 5.17: Perforated plate,
6: Filter 7 8 19.33: Bracket, 9: Screw shaft, 10: Nut, 11 14: Pulley, 13: Pulse motor, 15: Belt,
16: Pulse detector, 18: Processing liquid supply tank, 20.39: Fluid cylinder 21: Connection plate, 22: Shaft, 23.34: Bearing, 24: Support material, 25: Wet metal,
26: Bolt, 27: Shaft, 28
: Pressing plate 29 spring, 30: Supply pipe, 31: Packing 32: Processing liquid receiving mechanism, 35: Suction shaft,
36: O-ring, 37: Suction tube, 38:
Support plate, 40: Connector,

Claims (1)

[Claims] 1) A holding member in which a plurality of holes into which filtering members are attached are bored at predetermined intervals, a drive mechanism that intermittently moves the holding member in a horizontal direction, and a drive mechanism that moves the holding member intermittently in a horizontal direction; a processing liquid supply mechanism that moves in a direction to abut on the upper surface of the holding member and supplies the processing liquid to the hole in which the filtration member is installed; and a processing liquid supply mechanism that is installed at a position facing the processing liquid supply mechanism while sandwiching the holding member. 1. A filtration device comprising: a receiving mechanism for receiving a filtered treatment liquid; 2) The filtration device according to claim 1, wherein the processing liquid supply tank is configured to supply the processing liquid onto the filtration member at a predetermined pressure. 3) The filtration system according to claim 1, wherein the receiving mechanism for receiving the filtered processing liquid is configured to move in a vertical direction and come into contact with the lower surface of the holding member to apply negative pressure to the processing liquid. Device.