JPH07144150A - Liquid separator - Google Patents

Abstract

PURPOSE:To provide a liquid separator by which work for taking out a cleaned material from a rotary housing vessel is easily done. CONSTITUTION:A rotary housing vessel 6 rotatable by a motor 9 is installed inside a fixed housing vessel 1. A supporting plate 14 having a guiding slant face 14a inclining downwards toward the center and a falling outlet 14b is installed in the lower part of the rotary housing vessel 6. An opening/closing cover 15 is supported on the upper surface of the supporting plate 14 by an opening/closing mechanism 20 through a lifting/supporting rod 18. A material to be cleaned in the rotary housing vessel 6 is rotated together with the rotary housing vessel 6 to separate oily components stuck to the surface of the material to be cleaned by centrifugal force. The opening/closing cover 15 is raised by the opening/closing mechanism 20 after the separation work to bring the cleaned material downward from the guiding slant face 14a of the supporting plate 14 through the falling outlet 14b. The cleaned material is discharged from a take-out path 5a inside a rotary supporting cylinder 5 to the outside.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to parts such as bolts and nuts that are threaded using cutting oil,
The present invention relates to a liquid separation device that separates liquids such as oil and water from the surfaces of parts such as washers where various kinds of oil and water are attached.

[0002]

2. Description of the Related Art As a conventional liquid separating apparatus, parts such as bolts are supplied into the storage tank from an intake port at the upper part of a rotary storage tank, and the storage tank is swung to move to a peripheral wall surface of the storage tank. After centrifuging the oil from the large number of formed through holes, the rotation of the storage tank was stopped and the oil was taken out from the upper opening of the storage tank.

[0003]

However, the above-mentioned conventional liquid separating device has a problem that the work efficiency is extremely poor because the work of taking out the parts such as the bolts from the inside of the storage tank is a manual work. There is also a problem that a large number of objects to be cleaned cannot be cleaned at once.

A first object of the present invention is to eliminate the problems existing in the above-mentioned prior art, to clean a large number of objects to be cleaned at one time, and to improve the working efficiency. It is an object of the present invention to provide a liquid separation device that can easily carry out the subsequent work of taking out an object to be cleaned.

A second object of the present invention is, in addition to the above first object, is to provide a liquid separating apparatus capable of automatically supplying an object to be cleaned into a rotary storage tank.
Furthermore, a third object of the present invention is, in addition to the above-mentioned first or second object, a liquid capable of preventing lateral movement due to vibration of the fixed storage tank and the rotary storage tank during the cleaning operation. To provide a separating device.

[0006]

In order to achieve the first object, the invention according to claim 1 is such that a fixed storage tank and a rotation drive mechanism are rotatably supported inside the fixed storage tank and have an outer periphery. Opening and closing a rotary storage tank with a large number of through holes on the wall and an inlet for the cleaning target, and a bottom outlet of the rotary storage tank that can drop the cleaned target The opening / closing lid and the opening / closing lid that holds the opening / closing lid in the closed position during rotation of the rotary storage tank and can be opened in a non-rotating state.

Further, in order to achieve the second object, the invention according to claim 2 is the object of claim 1, wherein the object to be cleaned is automatically supplied above the rotary storage tank to the inlet of the rotary storage tank. A supply mechanism is provided.

Further, in order to achieve the third object, the invention according to claim 3 is such that in claim 1 or 2, the lower table supported on the ground is fixedly housed in an upper table supported through an elastic member. It is equipped with a tank and a rotating storage tank.

[0009]

The invention according to claim 1 operates as follows by taking the above means. In the state where the outlet at the bottom of the rotary storage tank is closed by the opening / closing lid, a large number of objects to be cleaned are supplied into the storage tank from the upper inlet. When the rotary storage tank is rotated by the rotary drive mechanism in this state, the object to be cleaned stored in the storage tank is moved to the inner peripheral surface side of the storage tank by centrifugal force. The liquid adhering to the surface of the object to be cleaned is blown off by this centrifugal force, and is discharged into the external fixed storage tank through a large number of through holes formed in the storage tank.

After the rotary storage tank is rotated for a predetermined time to centrifuge the liquid such as oil adhering to the surface of the object to be cleaned, when the drive mechanism is stopped, the rotation of the rotary storage tank is stopped. In this state, when the opening / closing lid provided at the bottom of the rotary storage tank is opened by the opening / closing operation mechanism, the cleaned object drops downward from the outlet.

According to the first aspect of the present invention, a large number of objects to be cleaned can be cleaned at one time, and the objects to be cleaned fall out from the outlet at the bottom of the rotary storage tank by the weight of the opening / closing lid. Therefore, the taking out work becomes easy.

Further, according to the second aspect of the present invention, the object to be cleaned is automatically supplied into the rotary storage tank by the object to be cleaned supply mechanism, and the work efficiency is improved. Further, in the invention according to claim 3, the vibration of the rotary storage tank during the cleaning operation is transmitted to the upper table via the fixed storage tank. This vibration is absorbed by the elastic member, and the vibration of the lower table is suppressed. Therefore, the liquid separation device is not moved laterally on the ground.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment embodying the present invention will be described below with reference to the drawings. The fixed storage tank 1 is formed in a cylindrical shape with a bottom, and a leg plate 2 is provided at a plurality of locations on the lower outer periphery of the fixed storage tank 1. A support cylinder 3 is erected on the upper surface of the central portion of the bottom portion 1a of the fixed storage tank 1, and a rotary support cylinder 5 is vertically supported by the support cylinder 3 via a radial bearing 4. A rotary accommodating tank 6 having a cylindrical shape with a lid is also connected to the upper end of the rotation supporting cylinder 5. The bottom of the rotary storage tank 6 is a guide slope 6a that is lowered toward the rotary support cylinder 5. The cylindrical portion is formed with a large number of small holes 6b as through holes for discharging the waste oil separated from the object to be cleaned to the outside of the rotary storage tank 6 during the centrifugal separation operation. Further, a flange metal fitting 7 is fixed to the outer periphery of the intermediate portion of the rotary support cylinder 5 by welding or the like, and a thrust bearing receiving a downward load between the lower surface of the flange metal fitting 7 and the upper end surface of the support cylinder 3. 8 are interposed.

A motor 9 is fixed to the outer peripheral surface of the lower part of the fixed container 1, and a drive pulley 11 is attached to the lower end of an output shaft 10 of the motor 9. The driven pulley 1 fitted and fixed to the driving pulley 11 and the outer periphery of the lower portion of the rotation support cylinder 5.
A belt 12 is hung between the belt 3 and the belt 3. When the output shaft 10 of the motor 9 is rotated, the pulley 11,
The rotation support cylinder 5 and the rotation storage tank 6 are rotated at predetermined positions via the belt 12 and the pulley 13.

A support plate 14 having an inverted truncated cone-shaped guide slope 14a is fitted and fixed to the inner peripheral surface of the rotary storage tank 6. At the center of the support plate 14, an outlet 14b is formed for dropping the cleaned object downward. On the guide slope 14a of the support plate 14, an opening / closing lid 15 having a truncated cone-shaped guide slope 15a is provided.
Is arranged so that it can be opened and closed. A seal ring 17 is supported on the outer peripheral edge of the lower portion of the opening / closing lid 15 via a mounting ring 16. The lower end of a lifting rod 18 is connected to the upper surface of the central portion of the opening / closing lid 15, and the upper end portion of the rod 18 is an opening / closing operation mechanism provided in the central portion of a support frame 19 fixed at two locations on the upper outer periphery of the fixed storage tank 1. It is possible to move up and down by 20.

An upper end portion of the elevating and lowering support rod 18 is rotatably supported in a support cylinder 21 erected on the upper surface of the support frame 19 via a radial bearing 22. Further, a disk-shaped movable magnetic body 23 is connected to the upper end of the elevating support rod 18 via a thrust bearing 24 so as to be relatively rotatable and synchronously so as to be capable of elevating. Further, a biasing spring 26 that presses the lifting support rod 18 downward is provided between the upper surface of the movable magnetic body 23 and the inner top surface of the storage case 25.
Is installed. A solenoid coil 27 is stored in the upper space of the storage case 25. When the solenoid coil 27 is energized and excited, the magnetic body 23 is lifted upward against the urging force of the spring 26,
The lift support rod 18 and the opening / closing lid 15 are separated from the guide slope 14a of the support plate 14, and the outlet port 14b is opened.
Clean items are dropped.

A pipe 28 for discharging the waste oil stored in the lower part of the fixed storage tank 1 to the outside is connected to the bottom portion 1a of the fixed storage tank 1. A ring 1b is mounted on the inner peripheral surface of the upper portion of the fixed storage tank 1 to regulate the outer peripheral surface of the rotary storage tank 6 while the rotary storage tank 6 is rotating so as to smoothly perform a rotating operation.

Next, the operation of the liquid separating device constructed as described above will be described. As shown in FIG. 1, when the motor 9 is stopped and the solenoid coil 27 is demagnetized, the lifting support rod 18 and the opening / closing lid 15 are connected to the urging spring 2.
6 is pressed downward. Further, the seal ring 17 attached to the lower peripheral edge of the lid 15 is pressed against the guide slope 14a of the support plate 14 to close the outlet port 14b.

In this stopped state, objects to be cleaned such as bolts and nuts to be cleaned are stored in the rotary storage tank 6 through the upper opening of the rotary storage tank 6. Then, when the motor 9 is rotated, the rotary storage tank 6 is rotated. At this time, the opening / closing lid 15 moves together with the elevating / lowering support rod 18 with a biasing spring 26.
Is pressed downward by and the thrust bearing 24 is interposed between the magnetic body 23 and the rod 18,
The open / close lid 15 and the support rod 18 also rotate at the same time. Due to the rotational movement of the rotary storage tank 6, the object to be cleaned stored in the storage tank 6 is moved to the outer peripheral side of the rotary storage tank 6 by centrifugal force. Also, oil, water, etc. adhering to the surface of each object to be cleaned are scattered outward by centrifugal force. The scattered oil is discharged to the outside of the rotary storage tank 6 through the small holes 6b, flows down to the lower portion of the fixed storage tank 1, and then is discharged to the outside of the fixed storage tank 1 through the pipe 28.

When the motor 9 is stopped after the rotary motion of the rotary storage tank 6 is continued for a predetermined time to remove most of the oil from the surface of the object to be cleaned, the rotation of the rotary storage tank 6 is stopped. Further, the solenoid coil 27 is excited, and the movable magnetic body 23, the support rod 18, and the opening / closing lid 15 are lifted upward. Therefore, the object to be cleaned falls downward from the outlet 14b of the support plate 14 while being guided by the guide slope 14a of the support plate 14 and the guide slope 15a of the opening / closing lid 15.
Further, while being guided by the guide slope 6 a of the rotary storage tank 6, it is guided downward from the take-out passage 5 a of the rotary support tube 5 and stored in the recovery box 29.

The rotation speed of the rotary storage tank 6 may be a constant high speed. However, by appropriately combining the high speed rotation, the medium speed rotation, the low speed rotation or the reverse rotation, the posture of the object to be cleaned in the rotary storage tank 6 is changed to promote the removal of the oil component attached to each object to be cleaned. You can also

In the first embodiment, a large number of objects to be cleaned can be efficiently cleaned at once by accommodating and rotating a large number of objects to be cleaned in the rotary storage tank 6.
Further, since the opening / closing lid 15 is supported so as to be able to move up and down and the opening / closing lid 15 is opened, the object to be cleaned after cleaning is dropped downward along the guide slope 14a due to its own weight.
The work of taking out the object to be cleaned from the rotary storage tank 6 can be performed very easily.

Next, a second embodiment of the present invention will be described with reference to FIG. In this embodiment, the opening / closing lid 15 is attached to the support plate 14.
It is mounted so that it can reciprocate vertically in the lower part of. Then, the solenoid coil 27 of the opening / closing operation mechanism 20.
When the open / close lid 15 is held in the closed position shown by the solid line in FIG. 5 and the solenoid coil 27 is demagnetized,
The opening / closing lid 15 is switched to the open position shown by the chain line in FIG. In this embodiment, since the opening / closing lid 15 moves below the support plate 14 to open the outlet port 14b, the operation of dropping the clean substance by its own weight becomes smooth.

Next, a third embodiment of the present invention will be described with reference to FIGS. In this embodiment, the upper end of the elevating and lowering support rod 18 is supported by a support cylinder 30a fixed to the center of a three-pronged support rod 30 so as to be vertically reciprocable.
Further, a bracket 31 is attached to the outer peripheral surface of the fixed storage tank 1, and an elevating lever 33 is tiltably supported above the bracket 31 via a support shaft 32. Then, the upper end of the support rod 18 is engaged with the engaging recess 33a formed at the tip of the lever 33, and the locking plate 34 attached to the upper end surface of the rod 18 is engaged with the upper surface of the tip of the lever 33. It has stopped.
Further, an electromagnetic solenoid 35 is attached to the bracket 31, and an actuator 35a thereof is connected to a base end portion of the elevating lever 33 via a connecting link 36. Therefore, when the elevating lever 33 is rotated in the counterclockwise direction in FIG. 6 around the support shaft 32 by the ON operation of the electromagnetic solenoid 35, the support rod 18 is moved upward and the opening / closing lid 15 is opened. .

As shown in FIG. 7, an oil pan 37 is horizontally supported on the outer peripheral surface of the fixed container 1 via a bracket 38. A pair of left and right support arms 39 are erected on the bottom surface of the oil pan 37, and a rotary shaft 40 is horizontally supported between the upper ends of both arms 39. This rotating shaft 40
A rotation supply body 41 is attached to the rotation supply body 41, and the rotation supply body 41 is intermittently rotated via a rotation shaft 40 by a drive motor 42 mounted on the side portion of the arm 39. The supply body 41 is a pair of left and right side plates 43 and horizontally between the side plates 43.
In addition, a plurality of (four in this embodiment) blades 44 are attached radially around the rotary shaft 40.
The space between the blades 44 is a plurality (4 places) of accommodation spaces 45 for accommodating the object to be cleaned.

A storage space 4 is provided in the vicinity of the rotary feeder 41.
A guide cylinder 46 for guiding the object to be cleaned when the object to be cleaned accommodated in 5 is supplied into the rotary storage tank 6 is attached using the side plate of the oil pan 37.

Further, as shown in FIG.
A shooter 47 for supplying an object to be cleaned to the accommodation space 45 is installed near the upper part of the. In this embodiment, the arm 39, the rotary shaft 40, the motor 42, the supply body 41
A supply mechanism K for the object to be cleaned is constituted by the shooter 47 and the like.

Therefore, in this third embodiment, the rotary supply member 4
After the object to be cleaned is supplied from the shooter 47 to the upper accommodation space 45 in the stopped state of 1, the drive motor 42 is driven to rotate the rotation supply body 41 by 90 degrees counterclockwise in FIG. The object to be cleaned in 45 is supplied to the rotary storage tank 6 while being guided by the guide cylinder 46. Therefore, it is not necessary to manually supply the object to be cleaned into the storage tank 6, and the work efficiency can be improved.

In the third embodiment, the rotary supply member 41
When the rotary storage tank 6 is rotated at a low speed during the supply operation of the object to be cleaned by the above-mentioned operation, and the supply operation is completed, the rotary storage tank 6 is temporarily stopped and then the storage tank 6 is rotated again. Since they are scattered almost uniformly within 6, the subsequent cleaning work is efficiently performed.

Next, a fourth embodiment embodying the present invention will be described with reference to FIGS. In this embodiment, the ground G
Lower table 5 having a plurality of support legs 51 supported by
A plurality of (four in this embodiment) coil-shaped springs 53 as elastic members are provided on the upper surface of the upper table 54.
Is supported. The lower end of the spring 53 is the lower table 5
2 and the upper end is fixed to the upper table 54.

Further, the first table is formed on the upper surface of the left end of the upper table 54.
The support frame 61 is erected by welding or the like, and the first support frame 6
1 also has a bracket 62 formed in a U shape by welding or the like.
Is fixed. The fixed storage tank 1 is fixed to the bracket 62 with bolts 63 and the like. A second support frame 64 formed of a rectangular tube is erected on the upper table 54, and a mounting plate 65 is vertically fixed to the right side surface thereof by welding or the like. The mounting bolts 6 are attached to the four corners of the mounting plate 65.
6 penetrates horizontally and is fixed by a nut 67. The motor 9 is supported by the plurality of mounting bolts 66. The mounting plate 68 of the motor 9 is fixed to the bolt 66 by a nut 70. The upper end of a coil-shaped spring 71 is locked to the mounting plate 68, and the lower end of the spring 71 is locked to the upper surface of the lower table 52.

On the upper surface of the lower table 52, a third support frame 72 made of a rectangular tube is erected by welding or the like, and a mounting plate 73 is fixed to the upper end surface by bolts or the like. The mounting plate 73 has the bracket 31 and the support shaft 3 attached thereto.
An elevating lever 33 is rotatably supported via 2. Similarly, a rotary electromagnetic solenoid 75 is attached to the attachment plate 73, and the elevating lever 33 can be rotated via a link mechanism 74.

Further, a horizontal mounting frame 81 made of channel steel is fixed to the side surface of the lower table 52 by bolts 82 or the like. A vertical mounting frame 83 is fixed to the horizontal mounting frame 81 by welding or the like, and a supply mechanism K for the object to be cleaned is attached to this frame. A belt conveyor 85 is obliquely arranged in the case 84 of the supply mechanism K. The belt conveyor 85 is rotated by the motor 86. A hopper 87 for supplying an object to be cleaned is provided below the case 84.

In the thus constructed apparatus of the fourth embodiment, when the object to be cleaned is supplied onto the rotating belt conveyor 85, the object to be cleaned is carried upward by the conveyor and is discharged from the upper opening of the case 84. It is supplied into the rotary storage tank 6. When a predetermined amount of the object to be cleaned is stored in the storage tank 6, the motor 9 is started, the storage tank 6 is rotated, and the cleaning operation is performed. At this time, if the object to be cleaned is unevenly accommodated in the rotary storage tank 6, the rotary storage tank 6 vibrates due to the unbalance of the centrifugal force. This vibration is transmitted to the fixed storage tank 1, and this is transmitted to the upper table 54 via the bracket 62 and the first support frame 61. This table 54
Is absorbed by the plurality of springs 53, and is thus hardly transmitted to the lower table 52. Therefore, the lower table 52 is held at a predetermined position on the ground G, and the entire separating device is not moved laterally along the ground.

Further, in the fourth embodiment, since the spring 71 is interposed between the lower table 52 and the mounting plate 68, it is possible to effectively absorb the vibration of the upper table 54, especially the large vibration in the lateral direction. You can

The present invention is not limited to the above embodiment, but can be embodied as follows. (1) Wire mesh (not shown) on the inner peripheral surface of the rotary storage tank 6
To be installed in contact with. In this case, since the object to be cleaned comes into contact with the wire net, the scattering of oil is promoted as compared with the case where it comes into contact with a flat surface. To obtain this function, the rotary storage tank 6 itself may be formed in a wire mesh shape.

(2) Although the support plate 14 is provided in the above embodiment, it is omitted and the guide slope 6a of the bottom plate of the rotary storage tank 6 is omitted.
Contact the seal ring 17 of the opening / closing lid 15 with. (3) A plurality of radial grooves are formed on the guide slope 14a of the support plate 14 so that the oil content on the slope 14a can be easily moved outward by centrifugal force.

(4) In the above-described embodiment, the automatic supply mechanism for the article to be cleaned is composed of the rotary supply body 41 and the drive motor 42. However, a mechanism for automatically opening and closing the opening formed at the lower end of the hopper is provided. Change to the one provided.

(5) The shooter 4 instead of the rotary supply member 41.
7 or a supply pipe (not shown) should be arranged above the opening of the rotary storage tank 6, and the material to be cleaned should be installed upstream of the shooter 47 or the supply pipe.

(6) A motor (not shown) is used in place of the electromagnetic solenoid 35, and the rotational movement of the motor is transmitted to the elevating lever via a cam mechanism, a crank mechanism, or the like. Also, this motor or electromagnetic solenoid 35
A timer (not shown) should be used to operate as necessary.

(7) In the fourth embodiment, the support leg 51 is made of an elastic material such as rubber. In this case, the slight vibration of the lower table 52 is absorbed by the support legs, so that the lateral movement of the separating device is more reliably prevented.

(8) In the fourth embodiment, an elastic material such as a leaf spring, a bar spring or rubber is used instead of the coil-shaped spring 53. Also in these cases, the vibration of the upper table 54 during the work can be absorbed, and the lateral movement of the liquid separation device can be prevented.

(9) In the fourth embodiment, the number of springs 53 should be 1 to 3 or 5 or more. The technical ideas other than the claims that can be understood from the above embodiments will be described below along with their effects.

The liquid separating apparatus according to claim 3, wherein the elastic member is a coil-shaped spring. In the case of this device, since the coiled spring can absorb the vibration from any direction almost uniformly, the vibration of the upper table is smoothly absorbed, and the lateral movement of the liquid separation device is more reliably performed. To be prevented.

[0045]

As described above in detail, according to the invention of claim 1, a large number of objects to be cleaned can be efficiently cleaned at one time, and the work of taking out the objects from the rotary storage tank can be facilitated. It can be carried out.

In addition to the effect of the invention of claim 1, the invention of claim 2 can automatically supply the object to be cleaned into the rotary storage tank. Further, in the invention described in claim 3, in addition to the effect of the invention described in claim 1 or 2, it is possible to prevent lateral movement of the liquid separation device due to vibration.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view of a central portion showing a first embodiment embodying the liquid separation device of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a partial enlarged cross-sectional view of a joint portion between an opening / closing lid and a support plate.

FIG. 4 is a perspective view of a liquid separation device.

FIG. 5 is a vertical sectional view of a central portion showing a second embodiment of the present invention.

FIG. 6 is a partial vertical cross-sectional view showing a third embodiment of the present invention.

7 is a cross-sectional view taken along the line BB of FIG.

FIG. 8 is a plan view of a liquid separation device according to a third embodiment.

FIG. 9 is a front view showing a fourth embodiment of the present invention.

FIG. 10 is a right side view of the fourth embodiment.

FIG. 11 is a perspective view of the vicinity of a lower table and an upper table of the fourth embodiment.

FIG. 12 is a perspective view showing an elevating lever and a mechanism for supplying an object to be cleaned according to a fourth embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Fixed storage tank, 5 ... Rotation support cylinder which comprises a rotation drive mechanism, 6 ... Rotation storage tank, 6b ... Small hole as a through hole, 9 ... Motor, 14 ... Support plate, 15 ... Open / close lid, 18 ... Support rod, 20 ... Lid opening / closing operation mechanism, 41 ... Rotation supply body, 43
... side plates, 44 ... blades, 45 ... accommodating space, K ... supply mechanism for objects to be cleaned.

Claims (3)

[Claims] 1. A fixed storage tank, a rotatably supported inside of the fixed storage tank by a rotary drive mechanism, a large number of through holes are formed on an outer peripheral wall surface, and an intake port for an object to be cleaned is provided on an upper portion. A rotary storage tank, an opening / closing lid that opens and closes an outlet provided at the bottom of the rotary storage tank, through which the cleaned object can be dropped, and the open / close lid is held in a closed position during rotation of the rotary storage tank. ,
A liquid separating device comprising: an opening / closing operation mechanism that can be opened in a non-rotating state. 2. The liquid separating device according to claim 1, further comprising a cleaning object supply mechanism that automatically supplies the cleaning object to an inlet of the rotation storage tank above the rotation storage tank. 3. The liquid separating apparatus according to claim 1, wherein a fixed storage tank and a rotary storage tank are attached to an upper table supported via an elastic member with respect to a lower table supported on the ground. .