JPH07232012A - Improvement of coolant liquid-filtering device - Google Patents

Abstract

PURPOSE:To prevent the clogging of a filter rotating drum by providing a rocking arm in a filtrate tank and installing additionally and commuicatingly a brush roll being brought into contact with the arm at all time. CONSTITUTION:A shaft lever 17 in parallel with a center pipe 7 is set between end plates 12a on the inner side of a filter rotating drum 12, and rocking arms 18 are set on the shaft lever 17. A brush roll 19 is set on a corresponding rocking end on the filter rotating drum 12 of the rocking arms 18, and the brush roll 19 is brought into contact with the filter rotating drum by gravity, and the center pipe 7 is connected with the brush roll 19 by a chain, a timing belt 20 and the like. The filter rotating drum 12 is rotated communicatingly by the drive rotation of a motor M of a pulley 8 of the center pipe 7, and the double action contact of the rocking arms 18 is continued even when the brush roll 19 is worn out by the contact of the brush roll 19 to prevent the clogging of the filter rotating drum 12.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a horizontal type filtrate tank provided with a used coolant liquid feed port, the end portion of which is projected on the outer surface of the tank, and a drive pulley provided at the end portion is driven. A center pipe is provided, a filtration rotary drum is fixed around the center pipe, and an end of the center pipe is connected to a filtered coolant liquid tank via a suction pump P. A coolant liquid filtering device in which a filtering hole is provided in a portion passing through the filtration rotary drum and the used coolant liquid in the filtrate tank is sucked by the suction pump P through the filtration rotary drum and the center pipe is improved.

[0002]

2. Description of the Related Art The above-mentioned conventional coolant liquid filtering apparatus is constructed by a suction pipe P from each filter hole of a center pipe provided inside a horizontal type furnace liquid tank and a filter rotary drum fixed around the pipe. At the same time as suctioning and filtering the coolant liquid in it, the used coolant liquid is sucked into the furnace liquid tank, which easily causes clogging in the filtration holes of the above-mentioned filtration rotary drum, and in that case, back-washing causes clogging. There are drawbacks such as no equipment to remove.

[0003]

An object of the invention of claim 1 of the present invention is to eliminate clogging of a filtration rotary drum by interlocking addition of brush rolls which constantly rotate in contact with each other. At the same time removing clogging of the rotating drum by interlocking addition of brush rolls that constantly rotate in contact,
The purpose is to remove the clogging of the filter holes of the center pipe and the filtration rotary drum by the backwashing device.

[0004]

The present invention has been made to meet each of the above-mentioned objects, and the invention of claim 1 is characterized in that the inside of a horizontal type filtrate tank provided with a used coolant liquid inlet is provided.
An end portion is projected on the outer surface of the tank, a center pipe driven by a drive pulley provided at the end portion is provided, a filtration rotary drum is fixed around the center pipe, and an end portion of the center pipe is suction pump P. Is connected to the filtered coolant liquid tank via a filter, and a filter hole is provided in a portion of the filter rotary drum and the center pipe that passes through the filter rotary drum.
In the coolant liquid filtering device for sucking the used coolant liquid in the filtrate tank through the filtration rotary drum and the central pipe by means of the above, a swing arm is provided inside the filtrate tank, and a corresponding swing is provided on the filter drum of the swing arm. The improvement of a coolant liquid filtering device characterized in that a brush roll is provided at a moving end portion, and a center pipe and the brush roll are rotatably connected by a chain, a belt or the like.
The invention of, in the inside of a horizontal type filtrate tank provided with a used coolant liquid inlet, an end portion is projected to the outer surface of the tank, and a center pipe for driving a drive pulley provided at the end portion is provided, A portion in which a filtration rotary drum is fixed around the center pipe, and an end portion of the center pipe is connected to a filtered coolant liquid tank via a suction pump P, and passes through the filtration rotary drum and the center pipe filtration rotary drum. In the coolant liquid filtering device for suctioning the used coolant liquid in the filtrate tank by the suction pump P through the filtration rotary drum and the center pipe, a swinging arm is provided inside the filtration rotary drum. A brush roll is provided at the corresponding swing end of the swing arm on the filter rotation drum, and the center pipe and brush roll are rotatably connected by a chain or belt. In addition, a switching device for switching backwash air to the end portion of the center pipe at appropriate time is installed, and the backwash drain is discharged from the drain hole provided in the filtrate tank from the center pipe and the filtration rotary drum during backwash. The present invention relates to an improvement of a coolant liquid filtration device characterized by the above.

[0005]

According to the first aspect of the present invention, the shaft rod 17 parallel to the central pipe 7 is provided inside the side wall of the filtration rotary drum 12 to the end plate 12a.
12a, and the swing rods 18 and 18 are attached to the shaft rod 17.
And a brush roll 19 is provided at a corresponding swing end of the swing arm on the filter rotary drum 12, and the brush roll 19 is pressed against the filter rotary drum 12 by gravity.
The central pipe 7 and the brush roll 19 are connected by a chain, a timing belt 20, etc., and the filtration rotary drum 12 is interlocked and rotated by the drive rotation of the motor M of the pulley 8 of the central pipe 7, and the brush roll 19 is also When the brush roll 19 is worn down, the rotation of the oscillating arms 18, 18 continues the down pressure contact of the oscillating arms 18 to prevent the clogging of the filtration rotary drum 12 from being clogged. prevent.

According to the invention of claim 2, in addition to the operation of the invention of claim 1, the compression air of the air source 22 is timely supplied to the compression air inlet 10 (same as the coolant liquid inlet 9). A backwash switching device 23 for switching is provided, for example, an opening / closing valve 25 of a circuit 24,
The on-off valve 27 of the circuit 26 is closed, the closed on-off valve 31 of the air circuit 30 is opened, the backwash air is sent to the compression air inlet 10 of the central pipe 7, and the backwash air is filtered with the central pipe 7. Filtering holes 13, 1 of the rotating drum 12
The backwash drain is discharged from a drain hole 5 provided in the lower part of the filtrate tank 1 and a drain pipe 6 connected to the drain hole 5 through the drain pipe 6.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The accompanying drawings show one embodiment of the present invention.
FIG. 1 is a schematic view of the arrangement of claims 1 and 2 of the present invention, FIG. 2 is a plan view of an embodiment in which two filtrate tanks are arranged in a row, FIG. 3 is a vertical side view of the center of the filtrate tank, and FIG. 4 is a brush roll. A plan view of
FIG. 5 is an enlarged sectional view taken along the line AA of FIG.

FIG. 2 shows an example of a known coolant liquid filtering device. Reference numeral 1 denotes a horizontal type circular filtrate tank provided with a used coolant liquid feeding port 2, which tank is provided at the front and rear of the tank. Adjustment ports 3 and 4 for performing internal assembly adjustment are provided, and sealing lids 3a and 4a are provided on the adjustment ports 3 and 4, respectively. Filtrate tank 1
At the center of the tank, a center pipe 7 having end portions 7a and 7b protruding is provided on the outer surface of the tank, a pulley 8 is fixed to the end portion 7a, and a coolant liquid inlet 9 is provided at the other end portion 7b. The coolant liquid inlet 9 communicates with the filtered coolant liquid tank 16 via the suction pump P15. (See FIG. 1.) The end plate 12 a of the filtration rotary drum 12 is arranged around the center pipe 7.
12a is fixed. Filter drum 12 of the central pipe 7
A filter hole 13 is provided in the peripheral portion passing through the inside of the. A belt Mv of a motor M is applied to the pulley 8 of the central pipe 7 to drive it. The coolant liquid is suction-filtered by the suction pump P15 through the center pipe 7 and the filter holes 13 and 14 of the filtration rotary drum 12 to send the used coolant liquid in the filtration tank to the coolant liquid tank 16, and at the same time, the used coolant liquid is cooled. The liquid is sucked into the filtrate tank 1 through the liquid inlet 2. As shown in FIG. 2, two filtrate tanks 1 may be arranged in a row and further two tanks may be vertically stacked. In this case, the pulley 8 of each center pipe 7 is driven by the belt Mv of the motor M, or interlocked by the belt v between the pulleys 8 and 8.

According to a first aspect of the present invention, in the known coolant filtering apparatus, a pipe rod 17 parallel to the central pipe 7 is provided between the end plates 12a and 12a inside the filtering rotary drum 12. The swing arm 1 to the shaft rod 17.
8 and 18 are provided, and a brush roll 19 is provided at a swing end corresponding to the filter rotating drum 12 of the swing arm. The brush roll 19 is pressed against the filter rotating drum 12 by gravity, and the center pipe 7 and the brush are Roll 19 into the chain,
It is connected by the timing belt 20 or the like.

In addition to the invention of claim 1, the invention of claim 2 further switches the compression air of the air source 22 to the compression air inlet 10 (the same as the coolant liquid inlet 9) at the appropriate time. A washing switching device 23 is provided. An opening / closing valve 25 of a circuit 24 in front of the used coolant liquid inlet 2 of FIG. 1, an opening / closing valve 27 of a circuit 26 of the suction pump 15 before the pump 15, and an air circuit 30 communicating with the compression air source 22. The on-off valve 31 provided in front of the compression air feed port 10 is an example of the backwash switching device 23.
Reference numeral 5 is a drain hole formed on the lower surface of the filtrate tank 1, and 6 is a drain pipe connected to the lower portion of the drain hole 5.

[0011]

The respective actions of the invention of claim 1 and the invention of claim 2 of the present invention are as described in the action of the invention, and according to the invention of claim 1, an eye by filtering the used coolant liquid of the filtration rotary roller is provided. There is an effect that the clogging can be prevented by the brush roll that constantly rotates. The invention of claim 2 has the same effect as the invention of claim 1, and when necessary, the backwash air is fed from the central pipe to backwash the pipe and the filtration rotary drum, and the backwash liquid is applied to the present invention. It has the effect that it can be discharged from a unique drain hole.

[Brief description of drawings]

 The accompanying drawings show one embodiment of the present invention,

FIG. 1 is an arrangement schematic diagram of claims 1 and 2 of the present invention.

FIG. 2 is a plan view of a mode in which two filtrate tanks are arranged in a row.

FIG. 3 is a vertical cross-sectional side view of the center of the filtrate tank.

FIG. 4 is a plan view of a brush roll.

FIG. 5 is an enlarged cross-sectional view of FIG. 3A-A line.

[Explanation of symbols]

1 → filtrate tank 2 → coolant inlet 3, 4 →
Adjustment port 3a, 4a → Sealing lid 5 → Drain hole 6 → Drain pipe M → Motor Mv → Belt V → Belt 7 → Center pipe 7a, 7b → End 8 → Pulley 9 →
Coolant liquid inlet 10 → Compression air inlet 12 → Filtration rotary drum 1
2a → end plates 13 and 14 → filtration hole 15 → suction pump P 16 → coolant liquid tank 17 → shaft rod 18 → swing arm 19 → brush roll 20 → chain, timing belt 22 → air source 23 → backwash switching device 24 → Circuit 25 → Open / close valve 26 → Circuit 27 → Open / close valve 28 → Circuit 29 → Open / close valve 3
0 → Air circuit 31 → Open / close valve

─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. ⁶ Identification code Office reference number FI technical display location B23Q 11/00 U

Claims (2)

[Claims] 1. A center pipe provided with an end portion protruding from the outer surface of the tank and having a drive pulley provided at the end thereof inside a horizontal type filtrate tank provided with a used coolant liquid inlet. , A filtration rotary drum is fixed around the center pipe, the end of the center pipe is connected to a filtered coolant liquid tank via a suction pump P, and passes through the filtration rotary drum and the center pipe filtration rotary drum. In a coolant liquid filtering device in which a filtration hole is provided in a portion and the used coolant liquid in the filtrate tank is sucked by the suction pump P through a filtration rotary drum and a central pipe, a swing arm is provided inside the filtrate tank. A brush roll is provided on the swinging end of the swinging arm corresponding to the filtration rotary drum,
An improved coolant liquid filtration device characterized in that a central pipe and a brush roll are rotatably connected by a chain, a belt or the like. 2. A center pipe for driving a driving pulley provided at an end of the tank, the end of which is projected on an outer surface of the tank, is provided inside a horizontal type filtrate tank provided with a used coolant liquid inlet. , A filtration rotary drum is fixed around the center pipe, the end of the center pipe is connected to a filtered coolant liquid tank via a suction pump P, and passes through the filtration rotary drum and the center pipe filtration rotary drum. In a coolant liquid filtering device in which a filtering hole is provided in a portion and the used coolant liquid in the filtrate tank is sucked by the suction pump P through a filtering rotary drum and a central pipe, a swing arm is provided inside the filtering rotary drum, A brush roll is provided at the corresponding swing end of the swing arm on the filtration rotary drum, and the center pipe and the brush roll can be freely rotated by a chain, a belt, or the like. In addition to connecting, a switching device for switching the backwash air to the center pipe at appropriate times on the end side of the center pipe is provided, and the backwash liquid is drained from the drain pipe provided in the filtrate tank from the center pipe and the filtration rotary drum during backwashing. The coolant liquid filtering device is characterized by discharging the liquid.