JP2010017705A - Cleaning apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a cleaning apparatus in which an object to be cleaned is cleaned by water-based cleaning water and minute air bubbles to omit a step of rinsing the cleaned object to be cleaned and reduce environmental loads and further a heavy container for housing the object to be cleaned is easily attached or detached so that a physical load on a worker is reduced and the working efficiency is improved. <P>SOLUTION: The cleaning apparatus is provided with: the container 20 for housing the object to be cleaned; a sliding/holding mechanism part 90 for sliding the container to carry the container into/out of the cleaning apparatus; a cleaning tank 30 for immersing the container in the cleaning water; a raising/lowering mechanism part 40 for immersing/raising the container into/from the cleaning tank; a rotating mechanism part 50 arranged in the raising/lowering mechanism part to rotate the container; an oil separating part 80 for separating the oil and fat content from the cleaning water in the cleaning tank; an air bubble generating part 63 and a nozzle 64 which are used for jetting an air bubble-containing cleaning water current toward the container 20 of the object which is to be cleaned and is immersed/cleaned; and a draining mechanism part 70 for jetting a draining air current toward the container which is raised from the cleaning tank, rotated and cleaned. <P>COPYRIGHT: (C)2010,JPO&amp;INPIT

Description

  The present invention relates to a cleaning apparatus for metal workpieces and the like, and more particularly to a cleaning apparatus for cleaning an object to be cleaned by immersing it in cleaning water.

  In the field of industrial cleaning, conventionally, fluorocarbon solvents, organic solvents, and other hydrocarbon-based cleaning agents have been used. As a result, it has been clarified that it induces environmental problems such as ozone layer destruction and groundwater, river, and ocean pollution. Therefore, for the purpose of reducing the environmental load, development of a cleaning method and a cleaning apparatus that do not use these cleaning agents is being promoted.

  In addition, in water-based cleaning, it is common to remove the attached cleaning agent by a rinsing process with clean water after cleaning, but it is also required to perform appropriate environmentally-friendly processing in the disposal of this rinsing liquid. Yes.

Conventional cleaning equipment that cleans a large number of small parts stores equipment to be cleaned in a cleaning basket, immerses and rotates in cleaning water in a cleaning tank, and sprays cleaning water containing fine bubbles onto the object to be cleaned. Thus, a cleaning apparatus that improves the degree of cleaning is disclosed (see Patent Document 1).
In addition, the conventional cleaning device including each process of rinsing, draining, and drying following cleaning uses a plurality of cleaning tanks to sequentially perform cleaning with water and bubbles, ultrasonic cleaning, and cleaning with a detergent, and then adhere A multi-tank type cleaning apparatus that performs rinsing to remove the detergent components that are being removed is disclosed (see Patent Document 2).

  In addition, a conventional cleaning apparatus that uses water and air bubbles without using a detergent and omits the rinsing process rotates the cleaning basket that houses the object to be cleaned around the vertical axis of rotation, so that the water flow and the object to be cleaned are rotated. A cleaning device that performs cleaning at a higher relative speed and drains the cleaning water from the cleaning tank by operating the pouring / draining means after the water cleaning is completed, and then operates the rotating mechanism again to perform dehydration work by centrifugal force. It is disclosed (see Patent Document 3).

  In addition, in the case of omitting this rinsing step, the conventional technique for keeping the washing water after washing clean is to send the oil and fat that floats from the air outlet provided near the water surface of the washing tank toward the overflow weir. There has been disclosed a cleaning apparatus that quickly removes oil and fat components that have been peeled off from the cleaning object and floated on the surface of the cleaning water (see Patent Document 4).

  In addition, a conventional cleaning device provided with a lifting / lowering device for a cleaning basket places the cleaning basket on a table that can be moved back and forth and has a positioning function. A cleaning device is disclosed in which the cleaning basket is lifted, the table is pulled out, and then the cleaning basket is lowered to the cleaning tank and attached to the drive shaft of the rotation mechanism unit (see Reference 5).

JP 2005-296786 A JP-A-8-192120 JP-A-7-227582 JP 2007-301529 A JP 2007-319723 A

However, the conventional cleaning apparatuses such as Patent Documents 1 and 2 require a large number of cleaning tanks for sequentially performing various types of cleaning and rinsing cleaning, and a transport apparatus is required for sequentially moving the cleaning basket. Therefore, there has been a problem that the equipment of the apparatus becomes large and expensive.
In addition, the rinse water for removing the detergent components remaining after washing must be periodically replaced, and when replacing the rinse water, it is necessary to properly treat the drainage from the viewpoint of reducing environmental impact. There are many processing steps for this purpose, and there is a problem of high cost.
Further, in the conventional cleaning apparatus of Patent Document 3, since the rotating basket that accommodates the object to be cleaned is rotated at high speed to perform cleaning and dehydration, the object to be cleaned is scattered and collides with each other, resulting in a dehydration process. Since the water tank for draining and storing the washing water in the washing tank is temporarily stored before entering the equipment, the equipment becomes large and the manufacturing cost is increased, and the processing efficiency is lowered due to the waiting time for draining and water injection. There was a problem.
Further, the conventional cleaning apparatus disclosed in Patent Document 4 has a problem that a mechanism for blowing out air and an air pipe are required.
In addition, as for the method of attaching the cleaning basket in these single tank type cleaning apparatuses, a method of attaching the cleaning basket to the rotary basket of the cleaning basket from the upper surface of the cleaning tank with a handle attached to the cleaning basket is well known. There is a problem that a heavy washing object and a washing basket are held on the upper surface of the washing tank by human power, and physical burdens such as an operator's arm and waist are increased.
Furthermore, the conventional cleaning apparatus of Patent Document 5 requires a change in the positioning structure provided on the table in accordance with the shape and size of the cleaning basket, and the movement distance when the cleaning basket is mounted on the drive shaft is long. For this reason, there has been a problem that a structure for increasing the accuracy of positioning and lifting after the cleaning basket is required is required. In addition, there is a problem that a cleaning basket containing an object to be cleaned to which the oil and fat is attached is placed on the table, the oil and fat is attached to the table, and the oil and fat again adheres to the cleaning basket after the cleaning.

  The present invention has been made to solve such a problem, and is efficiently cleaned with cleaning water mainly composed of water and fine bubbles, and the rinsing process after the cleaning is omitted, so that the drainage of the rinsing waste liquid can be performed. By eliminating this, a cleaning device with a simple configuration that suppresses the environmental load is obtained, and it is easy to attach and detach the object container to be cleaned, which reduces the physical burden on the operator and improves the work efficiency. The purpose is to provide.

  The cleaning apparatus according to the present invention includes an object container for storing an object to be cleaned, a sliding holding mechanism that slides the object container into and out of the apparatus, and the object container to be cleaned. A dipping / cleaning tank, a lifting / lowering mechanism section that lifts and lowers the container to be cleaned carried by the sliding holding mechanism section, soaks and lifts the container, and the lifting / lowering mechanism section. Rotating mechanism for rotating the container to be cleaned immersed and pulled in the cleaning tank, an oil / water separator for separating oil and fat from the cleaning water in the cleaning tank, and immersed in the cleaning tank and rotated by the rotating mechanism A bubble generating unit that injects a cleaning water flow including bubbles, a circulation path unit that circulates cleaning water from which oil and fat has been separated by the oil / water separation unit to the bubble generating unit, and cleaning It is lifted from the tank and Against the cleaning object container after rotated cleaned, in which a draining mechanism for injecting an air flow for draining.

  In the cleaning apparatus according to the present invention, a container to be cleaned that contains an object to be cleaned is immersed or lifted in the cleaning water of the cleaning tank by an elevating mechanism that suspends the rotating mechanism, and rotated inside and outside the cleaning tank by the rotating mechanism. Since the object to be cleaned is cleaned in the cleaning tank by the bubble generating unit and drained by the draining mechanism outside the cleaning tank, the draining process is performed while the cleaning water is stored in the cleaning tank. In addition to shortening the treatment time, the apparatus can be downsized by washing and draining with only one washing tank.

It is sectional drawing which shows the whole structure of the washing | cleaning apparatus by this invention. It is the (a) front view and (b) side view of the raising / lowering mechanism part and rotation mechanism part of the washing | cleaning apparatus by this invention. It is a perspective view which shows the connection part of the to-be-cleaned object container and rotation mechanism part of the washing | cleaning apparatus by this invention. It is sectional drawing which shows (a) arrangement | positioning of the to-be-washed object container and an air nozzle in the draining process of the washing | cleaning apparatus by this invention, and (b) arrangement | positioning of the to-be-washed object container and a nozzle in a washing | cleaning process. It is a perspective view which shows arrangement | positioning of the to-be-cleaned container and nozzle in the washing | cleaning process of the washing | cleaning apparatus by this invention. It is a perspective view which shows the structure of the draining mechanism part of the washing | cleaning apparatus by this invention. It is a side view which shows the perspective view of the to-be-cleaned container of the washing | cleaning apparatus by this invention, and the attachment / detachment method in a washing | cleaning apparatus. It is a perspective view which shows the detailed structure of the sliding holding | maintenance mechanism part of the washing | cleaning apparatus by this invention. It is (a) top view of the structure of the washing | cleaning apparatus of Embodiment 2 by this invention, and (b) side view. It is side surface sectional drawing which shows the structure of the washing tank of the washing | cleaning apparatus of Embodiment 3 by this invention, a circulation part, and an oil-water separation part. It is side surface sectional drawing which shows the structure of the washing tank of the washing | cleaning apparatus of Embodiment 4 by this invention, a circulation part, and an oil-water separation part. It is side surface sectional drawing which shows the structure of the washing tank of the washing | cleaning apparatus of Embodiment 5 by this invention, a circulation part, and an oil-water separation part.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
Embodiment 1 FIG.
The overall configuration of the cleaning apparatus 10 according to the present embodiment will be described with reference to FIGS.
FIG. 1 is a diagram showing the overall configuration of a cleaning apparatus according to the present invention. FIG. 1 is a side sectional view showing an overall configuration of a cleaning apparatus 10 according to an embodiment of the present invention.
2 shows a detailed structure of the lifting mechanism 40 and the rotating mechanism 50 of the cleaning device 10 according to the present invention, FIG. 2 (a) is a front view, and FIG. 2 (b) is FIG. It is AA sectional view taken on the line of a).
FIG. 3 is a perspective view illustrating a connection portion between the cleaning object container 20 and the rotation mechanism unit 50 of the cleaning apparatus 10.
4A is a cross-sectional view showing the arrangement of the cleaning object container 20 and the air nozzle 71 in the draining process of the cleaning apparatus 10, and FIG. 4B is the cleaning target container 20 in the cleaning process of the cleaning apparatus 10. FIG.
FIG. 5 is a perspective view showing the arrangement of the cleaning object container 20 and the nozzle 64 in the cleaning process of the cleaning apparatus 10.
FIG. 6 is a perspective view showing the configuration of the draining mechanism 70 of the cleaning device 10.
FIG. 7 is a perspective view showing details of the configuration of the rotation center portion of the object container 20 of the cleaning apparatus 10 and a side view showing a method for carrying in and out of the cleaning apparatus 10. FIG. 4 is a perspective view showing a detailed structure of a sliding holding mechanism 90. FIG.
Note that some of the drawings are omitted for easy explanation.

The cleaning apparatus 10 includes a control unit 11, an opening (loading / unloading port) 12, a shutter 13, an object container 20, a cleaning tank 30, an elevating mechanism unit 40, a rotating mechanism unit 50, a circulation unit 60, a draining mechanism unit 70, and oil and water. The separation unit 80 and the sliding holding mechanism unit 90 are configured.
The control unit 11 controls the entire operation of the cleaning device 10 by an instruction signal when the user presses a control panel (not shown) provided in the main body of the cleaning device 10 and a program stored in a built-in memory. In order to prevent water wetting, the cleaning device 10 is disposed above the other components.

  The housing of the cleaning apparatus main body 10 is provided with an opening 12 provided on a side surface for taking in and out an object to be cleaned, and a shutter 13 for closing the opening 12 during cleaning. By opening a shutter 13 that is slidably openable and closable on the side surface of the housing, the container 20 to be cleaned is opened to a size that can be taken in and out.

The to-be-cleaned container 20 is a cylindrical container that can store a plurality of objects to be cleaned, which are metal workpieces, and is composed of a metal frame and a wire mesh, and its axial cross section is circular, substantially circular, The present invention is not limited to any polygonal shape. In this embodiment, a cylindrical shape as shown in FIG. 1 or a hexagonal prism shape as shown in FIG. 7 is shown.
The object container 20 is provided with a holding shaft 21, a rotating shaft 22, a rotation drive key 23, and a transport handle 24.
The holding shafts 21 are provided at both ends on the cylinder shaft of the article 20 to be cleaned, and the cross section is D-shaped. A cylindrical rotary shaft 22 is formed outside the holding shaft 21 on the cylindrical axis of the object container 20, and a plate-shaped rotary drive key 23 is formed outside the rotary shaft 22.
The transport handle 24 is provided on the upper part of the container body of the cleaning object container 20 so that the cleaning object container 20 can be taken in and out of the cleaning apparatus 10.

  The washing tank 30 has a size that allows the washing object container 20 to be stored with a sufficient margin. The washing unit 31 is filled with washing water at a depth that allows the washing object container 20 to be immersed therein. The overflow weir 32 is provided to drain only the cleaning water overflowing beyond the upper edge from the cleaning unit 31.

  The elevating mechanism unit 40 is disposed at a position facing the opening 12, and includes a main elevating unit (first elevating mechanism unit) 41, a main air cylinder 42, a sub elevating unit (second elevating mechanism unit) 43, The auxiliary air cylinder 44, an object container receiver 45, a guide rail 46, and an arm 47 are included.

The main elevating part 41 is suspended via a main air cylinder 42 having one end fixed to the ceiling part of the main body of the cleaning apparatus 10, and the main elevating part 41 is attached to the guide rail 46 via wheels or the like provided at both ends. It is supported so as to be movable in the vertical direction.
Further, a sub lift unit 43 is suspended through a sub air cylinder 44 having one end fixed to the main lift unit 41, and a U-shaped object container receiver 45 provided in the sub lift unit 43 is The object container 20 is configured to be supported by fitting the holding shaft 21 of the object container 20 into a U-shaped depression.

The main air cylinder 42 and the sub air cylinder 44 can be expanded and contracted by controlling the internal air pressure, respectively, and by this expansion and contraction, the main elevating unit 41 and the sub elevating unit 43 are moved in the vertical direction, that is, in the washing tank 30 direction. And it is made to move toward the ceiling direction of the apparatus so that the object container 20 can be positioned.
Two arms 47 are provided below the main elevating unit 41 so as to be sandwiched from both sides of the sub elevating unit 43, and support the object container 20 and the rotation mechanism unit 50 so as to be connected.

The rotation mechanism unit 50 includes a rotation motor 51, rotation sprockets 52a and 52b, a drive chain 53, a rotation drive shaft 54, an object container bearing 55, and a key groove 56.
The rotation motor 51 is provided in the upper part of the main elevating part 41, and the rotation of the rotation sprocket 52 a attached to the rotation motor 51 is transmitted to the rotation sprocket 52 b connected through the drive chain 53. The rotary sprocket 52b is provided with a rotary drive shaft 54. The rotary drive shaft 54 is rotatably supported by a U-shaped object container bearing 55 attached to the tip of the arm 47 of the main elevating part 41. .
As shown in FIG. 3, the rotary drive shaft 54 is provided with a key groove 56, and the rotary drive key 23 is fitted into the key groove 56, whereby the rotary motor 51 is driven to rotate. Configured to be transmitted to. The rotation of the rotation motor 51 is transmitted from the rotation sprocket 51 a to the rotation sprocket 52 b through the drive chain 53, and the cleaning object container 20 is further rotated through the rotation drive shaft 54 and the rotation drive key 23.

  The circulation part 60 is provided below the washing tank 30, and a pump 61, a circulation path 62 for sending washing water from the oil / water separation part 80 by the pump 61, and a gas from the outside of the washing apparatus 10 and washing water are mixed. A bubble generating unit 63 and a nozzle (bubble generating unit) 64 that ejects cleaning water from the bubble generating unit 63 in the cleaning unit 31 are configured.

  The nozzle 64 is to be cleaned in which cleaning water containing fine bubbles in which cleaning water pumped from the circulation path 62 and compressed air supplied from the outside are mixed in the bubble generating unit 63 is immersed in the cleaning unit 31. It sprays with respect to the surrounding surface of the container 20. The jetting angle is jetted from the lower left side of the cleaning object container 20 that rotates clockwise in FIG. 1 according to the distribution of the cleaning object in the cleaning object container 20, for example.

  Here, the fine bubbles are fine bubbles that are spherical. Normal large bubbles, which are different from fine bubbles, are not spherical but distorted due to the drag from the water when they float in the water. On the other hand, it is widely known that fine bubbles have a spherical shape without distortion due to water drag because the pressure inside the bubbles is high. Specifically, when the bubble diameter d is 1 mm or less, the bubbles are spherical. Further, an additive such as an alcohol compound or a surfactant having an effect of stably maintaining fine bubbles is added to the washing water. For example, specific examples of the additive include a substance having a carboxyl group and an amino group in the molecule, the molecular weight divided by the number of carboxyl groups being 94 to 280, a molecule having a plurality of hydroxyl groups, and a molecular weight of the hydroxyl group. A substance divided by the number of 38 to 73 or less, having an ester group in the molecule, and a substance having a molecular weight divided by the number of ester groups of 47 to 140 or having a sulfonic acid group in the molecule And a substance having a molecular weight divided by the number of sulfonic acid groups of 47 or more and 140 or less. By adding a small amount of these additives into the wash water (0.001 mol / L or more and 1 mol / L or less), the effect of stably maintaining fine bubbles is exhibited.

  The draining mechanism unit 70 is provided at a position facing the elevating mechanism unit 40 between the ceiling of the cleaning device 10 main body and the cleaning tank 30, and has an air nozzle (injection device) 71 for ejecting a high-speed air flow, and an air nozzle attached A plate (injection device) 72, an air nozzle fixture 73, an air hose (injection device) 74 for supplying air, an air cylinder 75, an arm 76, and an air control valve 77 are included.

  The air nozzle 71 is fixed to the air nozzle mounting plate 72 with an air nozzle fixing tool 73, and the vertical position can be adjusted by a groove 78 provided in the air nozzle mounting plate 72. Further, the air cylinder 75 attached to the arm 76 that supports the air nozzle attachment plate 72 can be adjusted in the left-right direction, and is configured to be positioned by control from the control unit 11. In addition, the vertical position adjustment can be performed by a control from the control unit 11 using a motor (not shown) or the like.

The oil / water separation unit 80 is provided at a position in contact with the cleaning unit 31 through the overflow weir 32, and includes an oil / fat comprising a separation tank 81 for collecting cleaning water containing oil and fat overflowing from the cleaning unit 31, an oil / fat adsorption belt, and an oil / fat collection container. The recovery unit 82 is configured.
The separation tank 81 is configured to collect wash water that has overflowed from the washing unit 31 over the upper edge of the overflow weir 32, and the wash water from the washing unit 31 is separated into oil and fat in a weak flow state. The oil and fat that has floated near the washing water surface is collected in the oil and fat collection container 82 using an oil and fat adsorption belt and the like in an oil and fat collection container. The washing water after the oil / fat recovery is sent to the circulation unit 60 from the lower part of the separation tank 81.

  The sliding holding mechanism 90 has two arm members 91 that protrude vertically from the inside of the cleaning device 10 to the opening surface of the opening 12 in parallel, and one end protruding from the opening 12 of the saddle member 91. The anti-slip material 92 is provided.

  Next, the detailed configuration and operation of each part of the cleaning device in the present embodiment will be described.

  As shown in FIGS. 2A, 2B, and 3, the elevating mechanism unit 40 includes a main elevating unit 41 that is suspended from the ceiling of the cleaning apparatus 10 main body via a main air cylinder 42, and a main elevating unit. It is comprised with the sub raising / lowering part 43 suspended from the part 41 via the sub air cylinder 44, and was provided. The main elevating part 41 is adapted to move up and down by the expansion and contraction of the main air cylinder 42, and the wheels arranged on both sides of the main elevating part 41 are supported by the guide rail 46 so as to be raised and lowered.

  The auxiliary lifting / lowering part 43 is moved up and down by extension / contraction of the auxiliary air cylinder 44, and when the object container 20 is stored on both sides of the lower air cylinder 44, the auxiliary elevating part 43 receives a holding shaft 21 for receiving the object container 20 to be cleaned. A character-shaped object container receiver 45 is provided.

  The rotation mechanism unit 50 is configured on the lifting mechanism unit 40, has a rotation motor 51 and a rotating sprocket 52 a above the main lifting unit 41, and rotates to the tip of an arm 47 extending below the main lifting unit 41. A sprocket 52b, a rotation drive shaft 54, and an object container bearing 55 are disposed. The upper and lower rotary sprockets 52a and 52b are connected by a drive chain 53 so that the rotary drive of the rotary motor 51 is transmitted and the rotary drive shaft 54 rotates.

  When the cleaning object container 20 is carried in, the main air cylinder 42 and the sub air cylinder 44 are driven, and the main elevating part 41 and the auxiliary elevating part 43 are under the inner wall of the U-shaped part of the object container receiver 45. And the upper surface of the arm material 91 are moved to a position where they coincide (FIG. 3). When the object container 20 is positioned, the object container 20 is placed on the upper surface of the arm member 91 and pushed toward the inside of the cleaning device 10, so that the holding shaft 21 moves so as to slide on the upper surface of the arm member 91. Is stopped at the inner surface of the U-shaped inner wall of the container receiver 45 to be cleaned.

  At this time, since the D-shaped cut surface of the holding shaft 21 of the cleaning object container 20 is in contact with the U-shaped bottom surface of the cleaning object container receiver 45, the cleaning object container 20 is stably rotated without rotating. Thus, the rotation drive key 23 is maintained correctly facing downward.

  When the holding shaft 21 of the cleaning object container 20 is accommodated in the cleaning object container receiver 45, the sub air cylinder 44 extends in response to an instruction from the control unit 11 to lower the sub elevating / lowering part 43, and the cleaning object The rotation shaft 22 of the container 20 is rotatably supported by the cleaning object container bearing 55 and the rotation drive key 23 is fitted in a key groove 56 provided on the rotation drive shaft 54 of the rotation mechanism unit 50.

Moreover, when carrying out the to-be-cleaned container 20 from the inside of the washing | cleaning apparatus 10 after completion | finish of a draining process, it operate | moves in the reverse order of the above-mentioned procedure. In response to an instruction from the control unit 11, the sub air cylinder 44 contracts to raise the sub elevating / lowering unit 43, the rotation drive key 23 is disconnected from the key groove 56, and the rotating shaft of the object container 20 is cleaned. 22 is released from the cleaning object container bearing 55.
In this way, the elevating mechanism unit 40 and the rotating mechanism unit 50 operate.

As shown in FIG. 5, a plurality of nozzles 64 are installed along the circumferential surface of the cleaning object container 20, and according to the distribution of the cleaning object stored in the rotating cleaning object container 20, FIG. As shown in FIG. 2, the cleaning water is arranged to be jetted in the direction of the rotation axis from the obliquely lower left side of the circumferential surface of the object container 20 to be cleaned.
With this configuration, a high-speed water flow including fine bubbles ejected from the nozzle 64 passes through the mesh on the circumferential surface of the object to be cleaned 20, collides with the object to be cleaned, and adheres to the surface of the object to be cleaned. It is possible to sufficiently peel off the oil and fat.

  Since the peeled oil and fat is adsorbed to the bubbles, a sufficient degreasing effect can be obtained even with washing water that does not use a detergent. In addition, by rotating the container 20 to be cleaned at a low speed of about 5 to 10 rpm, the object to be cleaned is inverted and agitated, so that the water flow including the injected fine bubbles can uniformly collide with the object to be cleaned. .

  Thus, a sufficient cleaning effect can be obtained with cleaning water mainly composed of water without using a fluorocarbon-based solvent, an organic solvent, or a hydrocarbon-based cleaning agent, thereby reducing the environmental burden.

  In the water draining process of the present cleaning apparatus, the object container 20 after cleaning is lifted from the cleaning unit 31 by raising the main air cylinder 42 of the elevating mechanism unit 40, held at the draining rotation position, and 5 to 10 rpm by the rotating mechanism unit 50. While being rotated at a low speed of about, the draining mechanism unit 70 is configured to blow off the adhering cleaning water by injecting a high-speed air flow onto the object to be cleaned.

  As shown in FIG. 6, the air nozzle 71 is supported by the air nozzle mounting plate 72, and injects a high-speed air flow onto the circumferential surface of the cleaning object container 20. It is supported by a groove 78 provided in the air nozzle mounting plate 72 so as to be pivotable in the vertical direction by an air nozzle fixing tool 73, and is disposed at an appropriate position and angle that exhibits a draining effect.

  The air nozzle 71 is supplied with compressed air through an air hose 74. The air nozzle 71 can intermittently inject compressed air by an air control valve 77. Also, a plurality of air nozzles 71 attached to the air nozzle mounting plate 72 are prepared, and these are fixed together by an arm 76 and the air cylinder 75 is driven to reciprocate in the left-right direction along the circumferential surface of the object container 20 to be cleaned. This is a possible configuration.

  The high-speed air flow from the air nozzle 71 in the water draining process may be continuously injected, but the air control valve 77 can be intermittently driven to increase the flow velocity by the injection, and a plurality of air nozzles The injection timing of 71 may be shifted for injection.

  In this way, the washing water adhering to the object to be cleaned can be removed, the rinsing process can be abolished, the disposal of the rinsing liquid generated in the rinsing process is unnecessary, and the discharge of oil and fat to the environment can be eliminated. It is possible to reduce waste disposal costs while considering environmental impact.

  The cleaning apparatus 10 according to the present embodiment is configured as described above, and the cleaning / draining process according to this configuration is performed according to the following procedure, and will be described with reference to FIGS.

First, the process of carrying the object container 20 into the cleaning apparatus 10 main body will be described.
The object-to-be-cleaned container 20 stores an object to be cleaned, which is a metal workpiece by cutting, pressing, or the like, and is provided by a sliding holding mechanism protruding from the opening 12 on the front surface of the main body of the cleaning apparatus 10. It is placed on the two arm members 91 of the section 90.
When the object container 20 is pushed to the main body side of the cleaning device 10 by an operator or the like, the object container 20 slides on the arm member 91 and moves into the cleaning device 10. The holding shaft 21 of the container 20 to be cleaned is stored and supported in the hollow portion of the character shape, and is stored in the sub lifting / lowering unit 43.
When the object container 20 is stored and a start instruction signal is received from the control panel or the like, the control unit 11 closes the shutter 13 of the cleaning device 10 body and closes the opening 12, and the sub air cylinder 44 of the elevating mechanism unit 40. Is extended to lower the sub lift 43.
When the sub elevating / lowering portion 43 is lowered, the rotation drive key 23 of the object container 20 to be cleaned is fitted into the key groove 56 of the rotation drive shaft 54 accommodated in the U shape of the object container bearing 55 to be cleaned. The container 20 and the rotation drive shaft 54 are coaxially arranged.

Next, the cleaning process will be described.
When the cleaning object container 20 and the rotary drive shaft 54 are connected, the main air cylinder 42 extends in accordance with an instruction from the control unit 11, so that the cleaning object container 20 is lowered and the cleaning unit 31 of the cleaning tank 30. Soaked in wash water filled with The immersed object container 20 is rotated by the rotation drive of the rotation motor 51 transmitted through the rotation drive shaft 54. Cleaning water containing fine bubbles is jetted from the nozzle 64 to the rotating surface of the rotating object container 20 by a high-speed water flow, and the object to be cleaned contained in the object container 20 is cleaned.
At this time, fats and oils and the like adhering to the surface of the object to be cleaned are separated by adsorbing to the fine bubbles, and the fats and oils and the like float on the surface of the cleaning water in the cleaning unit 31. A flow toward the overflow weir 32 occurs near the surface of the wash water due to the rotation of the container 20 to be washed and the water flow jetted from the nozzle 64, and the wash water containing the oil and fat content exceeding the upper edge of the overflow weir 32 is generated. It is sent to the adjacent oil / water separator 80.

Next, the draining process will be described.
When the cleaning for a predetermined time is completed, the rotating motor 51 is stopped according to the instruction from the control unit 11 and the main air cylinder 42 is contracted, whereby the container 20 to be cleaned is raised and taken out of the cleaning tank 30. The position is opposed to the draining mechanism 70. Once positioned, the object container 20 rotates in the reverse direction from the time of the cleaning process, and compressed air is ejected from the nozzle 71 of the draining mechanism 70 to the circumferential surface of the object container 20 and adheres to the object to be cleaned. Washing water that is running is blown away.

Here, the difference in rotation between the cleaning object container 20 in the cleaning process and the cleaning object container 20 in the draining process will be described.
4A is a cross-sectional view showing the arrangement of the cleaning object container 20 and the air nozzle 71 in the draining process of the cleaning apparatus 10, and FIG. 4B is the cleaning target container 20 in the cleaning process of the cleaning apparatus 10. FIG.
As shown in FIG. 4B, in the cleaning process, the nozzle 64 sprays cleaning water from the lower left direction of the object container 20 to be cleaned. In the draining process, as shown in FIG. However, air is injected from the right direction of the cleaning object container 20. This is to change the rotation direction of the cleaning object container 20 depending on the spraying position so that the spraying object from the nozzle directly hits the cleaning object in the cleaning object container 20.

When draining for a predetermined time is completed, the rotation motor 51 is stopped according to the instruction from the control unit 11 and the rotation of the object container 20 is stopped. When the rotation stops, the sub air cylinder 44 contracts, so that the connection between the rotation drive key 23 and the key groove 56 is released, and the container 20 to be cleaned is released from the same axis as the rotation drive shaft 54.
The sub air cylinder 44 stops being contracted at a position where the lower surface of the U-shaped inner wall of the cleaning object container bearing 45 and the upper surface of the arm member 91 coincide with each other, the rising of the cleaning object container 20 is stopped, and the opening The shutter 13 that has closed the part 12 is opened to complete the process.
The container 20 to be cleaned after the cleaning and draining process is pulled out from the cleaning apparatus 10 so that an operator or the like grips the transport handle 24 and slides on the arm member 91.
In this manner, the cleaning / draining process by the cleaning device 10 is performed.

Here, the configuration of the cleaning apparatus 10 in consideration of the problem of the method for attaching and detaching the object container in the conventional cleaning apparatus will be described.
A conventional general method for attaching and detaching the cleaning object container 20 is to attach the rotating shaft of the cleaning object container 20 to the bearing from the upper surface of the cleaning tank 30 with a handle attached to the cleaning object container 20. However, in this method, the heavy object to be cleaned and the object container 20 to be cleaned are held on the upper surface of the cleaning tank 30 by human power, and the physical burden on the operator is large. Therefore, a configuration in which the cleaning object container 20 and the like are improved in consideration of these workability will be described below.

  As shown in FIG. 7A, the cross section of the holding shaft 21 of the object container 20 is provided with a cut surface like a D-shaped linear portion, and this D-shaped cut surface is the arm of the sliding holding mechanism 90. The object container 20 is supported by contacting the upper surface of the material 91. The rotation activation key 23 is fitted in the key groove 56 of the rotation mechanism unit 50, and the rotation driving force from the rotation motor 51 is transmitted to the rotation shaft 22, and the rotation shaft 22 is transferred to the object container bearing 55 of the rotation mechanism unit 50. Rotate up.

  FIG. 7B is a side view showing a state where the object container 20 is placed on the arm member 91. The D-shaped cut surface provided on the holding shaft 21 is placed in contact with the upper surface of the arm member 91, and when placed in this way, the rotation drive key 23 is directed in the direction of the key groove 56 of the rotation mechanism unit 50. To match.

  FIG. 7C shows the position of the transport handle 24 provided in the article container 20 to be cleaned. In this figure, the holding shaft 21, the rotary shaft 22 and the rotary drive key 23 provided on the both axial end surfaces of the object container 20 are the same as those described above. In FIG. Is attached at an angle such that when the D-shaped cut surface provided on the holding shaft 21 is placed on the upper surface of the arm member 91, a force in the direction of falling to the near side works. That is, when the object container 20 is placed on the upper surface of the arm member 91, the transport handle 24 is arranged so as to face the opening of the cleaning device 10.

  In this container 20 to be cleaned, the worker holds the transport handle 24 and temporarily places the container 20 to be cleaned on the arm member 91 as shown in FIG. 7C, and then as shown in FIG. In addition, the D-shaped cut surface provided on the holding shaft 21 is stabilized by rotating it toward the front, and the transport handle 24 facing forward is pushed so that the object container 20 is cleaned. It is carried into the cleaning apparatus 10.

Further, as shown in FIG. 8 (b), the arm material 91 constituting the sliding holding mechanism portion 90 is provided with a non-slip material 92 protruding from the sliding surface at the front end portion thereof, and placed thereon. The container 20 is configured to prevent the container 20 from moving and dropping.
Note that this anti-slip mechanism may be formed of an arm material 91 made of a curved material as shown in FIG. 8C and integrated with the anti-slip material 92.

  As described above, when the object container 20 containing the object to be cleaned is placed on the arm member 91 that protrudes from the opening of the cleaning device 10, it is impossible for the operator to support the posture. It is possible to place it without causing it. Further, the work after placement is slid and housed inside the apparatus without rolling the object container 20 with the arm material 91 holding the weight of the object container 20 to be cleaned. Therefore, the physical burden on the worker can be reduced and the work efficiency can be improved.

  As described above, the cleaning apparatus 10 according to the first embodiment includes the cleaning object container 20 that stores the cleaning object, the cleaning tank 30 that immerses and cleans the cleaning object container 20 in water, and the cleaning object container 20. Elevating mechanism 40 for holding and dipping in or taking out from washing tank 30, rotating mechanism 50 for rotating object container 20 inside and outside washing tank 30, and bubble generating part for injecting bubbles into washing tank 30 63, a draining mechanism unit 70 that injects a high-speed air flow into the object container 20 outside the cleaning tank 30, an oil / water separation unit 80 that separates the cleaning water in the cleaning tank 30 into fats and oils, and the oil / water separation. Provided with a circulation path 62 for sending clean cleaning water from the final stage of the section 80 to the bubble generating section 63 and a sliding holding mechanism section 90 for storing or removing the container 20 to be cleaned in the apparatus. The container 20 can be moved up and down and rotated, and water is mainly used. In the washing tank 30, after washing, the compressed water is sprayed while rotating while the object container 20 is rotated up to the upper part of the washing tank 30. The water draining process can be performed while the water is stored, the time required for water supply and drainage can be shortened, and the cleaning apparatus 10 can be miniaturized because it can be cleaned, drained and dried with only one cleaning tank.

Further, the draining mechanism unit 70 of the cleaning device 10 of the first embodiment supports the air nozzle 71 so as to be rotatable in the groove 78 of the mounting plate 72, and can be moved and fixed to an appropriate position in the vertical direction of the groove 78. Since the plurality of injection devices are provided so that they can be reciprocated in the left-right direction, the optimal injection position can be secured according to the shape and weight of the object to be cleaned stored in the cleaning object storage container 20 In addition to efficiently draining water, the object container 20 to be cleaned can be rotated at a low speed, so that the object to be cleaned can be prevented from being scattered or damaged.
In addition, since the injection device operates the air control valve 77 to enable intermittent injection to increase the initial injection speed, a stronger spraying force can be obtained, and the object to be cleaned can be drained and dried in a short time. Can be done.

  Moreover, in carrying in / out work of the cleaning object container 20 to and from the cleaning device 10 according to the first embodiment, the cleaning object container 20 is placed on the two arm members 91 that protrude from the opening 12 on the front surface of the main body. Then, the arm member 91 is slid and carried into the cleaning device 10. After the container 20 to be cleaned is stored in the cleaning device 10, the auxiliary lifting / lowering unit 43 is driven to automatically rotate the mechanism. Since it can be attached to and detached from the unit 50, the operability is improved and the physical burden on the operator's arm / waist can be greatly reduced.

  Moreover, the rotation mechanism part 50 in Embodiment 1 is integrally configured on the lifting mechanism part 40, and the lifting mechanism part 40 includes a main lifting part 41 for immersing the object container 20 in the cleaning tank 30 and lifting it. The rotation drive key 23 of the object container 20 delivered from the sliding holding mechanism 90 to the object container receiver 45 is fitted into the key groove 56 provided on the rotation drive shaft 54 of the rotation mechanism part 50. Since the auxiliary lifting / lowering unit 43 is configured, the vertical movement distance for connecting the rotation shaft 22 of the cleaning object container 20 and the rotation drive shaft 54 of the rotation mechanism unit 50 can be reduced. The to-be-cleaned container 20 can be accurately attached to the rotation mechanism unit 50 without providing an alignment mechanism.

  Further, the arm member 91 of the sliding holding mechanism 90 is provided with a slip stopper protruding from the sliding surface at the distal end protruding from the opening 12 of the cleaning device 10, so that the object container 20 placed thereon is placed. Can be prevented from moving to the worker side and falling.

  In addition, since a plurality of nozzles 64 are provided along the circumferential surface of the object container 20 to be cleaned, the object to be cleaned can be efficiently cleaned, and the object container 20 is rotated at a low speed to eject fine bubbles. It is possible to make fine bubbles collide with the object to be cleaned evenly. Thus, a sufficient cleaning effect can be obtained with cleaning water mainly composed of water without using a fluorocarbon-based solvent, an organic solvent, or a hydrocarbon-based cleaning agent, thereby reducing the environmental burden.

  In addition, it is not necessary to dispose of the rinsing liquid generated in the rinsing process, and it is possible to eliminate the discharge of fats and oils to the environment. Since the process can be abolished, it is possible to eliminate the influence on the environment due to the disposal of the rinse water, and to provide a cleaning device in consideration of environmental protection.

  Further, after placing the arm material 91 in the position protruding from the cleaning apparatus 10 on the arm material 91 in the position protruding from the cleaning apparatus 10, the object container 20 storing multiple objects to be cleaned is placed after the mounting. Since the arm container 91 holds the weight of the container 20 to be cleaned, the object container 20 is stored in such a manner that the object container 20 is slid toward the inside of the cleaning device 10 without rolling. The physical burden on can be reduced.

  In addition, although the high-speed air flow in the draining process may be continuously injected, the flow rate by injection can be increased by driving the air control valve 77 intermittently. In addition, the cleaning effect can be obtained more reliably by performing the injection by shifting the injection timings of the plurality of air nozzles 71. Further, since the cleaning water adhering to the object to be cleaned can be removed, the rinsing process can be eliminated.

  As described above, the cleaning apparatus according to the present embodiment performs cleaning with cleaning water mainly composed of water and fine bubbles, removes the cleaning water adhering to the object to be cleaned in the draining process, and keeps the cleaning water clean. In addition to providing a cleaning device that suppresses the environmental load that eliminates the need for disposal of the rinsing liquid, it also provides a cleaning device with a simple configuration consisting of one cleaning tank, and further provides operator operability. It is possible to provide a cleaning device in consideration of the above.

Embodiment 2. FIG.
The cleaning apparatus 10 according to the second embodiment is provided with a water flow nozzle 100 and an oil and fat separator partition plate 110 in the cleaning tank 30 so as to effectively drain the cleaning water of the cleaning unit 31 to the oil / water separation unit 80. is there. This will be described below with reference to FIG. Note that the description of the same configuration as that of the first embodiment is omitted.

  The cleaning water containing the fat and oil adsorbed by the fine bubbles in the cleaning process floats near the water surface of the cleaning unit 31 and flows toward the overflow weir 32 in the vicinity of the center of the water surface of the cleaning unit 31 as the cleaning object container 20 rotates. . However, the water flow does not necessarily flow in this direction in the vicinity of the cleaning unit 31 and in the vicinity of the four corners, and cleaning water containing oil and fat may stay or flow backward. Therefore, in order to keep the cleaning water always clean, it is necessary to quickly drain the cleaning water containing these oils and fats to the oil / water separator 80.

FIG. 9 is a diagram illustrating the configuration of the cleaning tank 30 and the oil / water separator 80 of the cleaning device 10 according to the second embodiment, in which FIG. 9A is a top view and FIG. 9B is a side view.
The washing section 31 of the washing tank 30 is provided with a running water nozzle 100 and an oil and fat removing partition plate 110, and the running water nozzle 100 is provided in the vicinity of the washing water surface in the washing section 31 facing the overflow weir 32. The partition plate 110 is arrange | positioned so that the four corners of the washing | cleaning part 31 of the washing | cleaning water surface vicinity may be plugged up.
The flowing water nozzle 100 is connected to a circulation path 65 branched from the circulation path 62 as shown in FIG. 9B, and cleaning water is supplied by driving the pump 61.

  As shown in FIG. 9 (a), the nozzle 100 is disposed so as to eject cleaning water in an obliquely upward and obliquely outward direction from the water facing the overflow weir 32 of the cleaning unit 31 toward the water surface. A flow in the direction of the overflow weir 32 is generated along the wall of the portion 31. The washing water near the water surface of the washing unit 31 is efficiently drained to the oil / water separation unit 80 beyond the upper edge of the overflow weir 32 by this flow and the flow caused by the rotation of the washing object container 20. In addition, the oil / fat removing partition plate 110 does not retain cleaning water containing oil / fat in the four corners of the cleaning unit 31.

  In addition, it is desirable that the speed of the cleaning water ejected from the flowing water nozzle 100 is appropriately adjusted so that a desired flow rate can be obtained without stirring the surface of the cleaning unit 31. Moreover, the flowing water nozzle 100 may be disposed near the water surface, and the washing water may be ejected toward the water surface to generate a water flow toward the overflow weir 32, or may be disposed on the water surface. Moreover, the oil-and-grease-preventing partition plate 110 can also generate a more rapid flow by using a plate shaped in an arc shape. Furthermore, the height of the oil-and-grease separator partition plate 110 may be from the water surface to the bottom of the cleaning unit 31, but it is not necessary to extend to the bottom because it is only necessary near the water surface.

  As described above, the cleaning tank 30 of the cleaning apparatus 10 according to the second embodiment is provided with the overflow weir 32 on the extended side in the direction in which the cleaning object container 20 rotates, and the oil and fat partitioning partition near the water surface at the four corners of the cleaning unit 31. Since the plate 110 is provided and the running water nozzle 100 is provided to eject the cleaning water from the water or the water surface on the side facing the overflow weir 32 of the cleaning unit 31 toward the overflow weir 32, A water flow can be generated in the direction of the overflow weir 32, whereby the oil and fat staying at the four corners of the cleaning unit 31 and the oil and fat trying to flow backward on the side of the rotating object container 20 are directed toward the overflow weir 32. This allows the oil and fat content on the surface of the cleaning unit 31 to quickly overflow to keep the cleaning water clean.

  In addition, the predetermined time in each process is appropriately determined so that the work is effective.

Embodiment 3 FIG.
In Embodiment 2, although the flowing water nozzle 100 and the oil-and-grease removal partition plate 110 were provided in the washing | cleaning part 31 of the washing tank 30, and the structure which drains the washing | cleaning water of the washing | cleaning part 31 to the oil-water separation part 80 was demonstrated, Embodiment 3 demonstrates the structure which suppresses that the wash water containing fats and oils and a foreign material flows out into the circulation path 62 as the circulation part 60 in the oil-water separation part 80. FIG.

In the present invention, gas and cleaning water are mixed in the bubble generating unit 63 to generate so-called micro bubbles as spherical fine bubbles in the cleaning water.
A normal bubble becomes a bubble having a distorted shape due to drag from the water when it floats in the water. On the other hand, it is widely known that fine bubbles maintain a spherical bubble without distortion even when subjected to water drag because the pressure inside the bubble is high. Specifically, the bubble diameter d = When the thickness is 1 mm or less, the fine bubbles become spherical.

  Since fine bubbles maintain a fine spherical shape, the ascending speed in water is slow, and it takes time for the oil and fat adsorbed by the fine bubbles to float on the surface of the cleaning water. Before the water floats on the water surface, the wash water is sucked into the circulation part 60, and there is a problem that fats and oils and foreign matters flow into the circulation part 60. Therefore, in the third embodiment, a flow path is formed so as to suppress the fine bubbles in the wash water from flowing into the circulation unit 60 in the oil / water separation unit 80.

  FIG. 10 is a side cross-sectional view illustrating the configuration of the cleaning tank 30, the circulation unit 60, and the oil / water separation unit 80 of the cleaning device 10 according to the third embodiment. In addition, since structures other than the oil / water separator 80 are the same as those of the cleaning device 10 of the second embodiment, the same reference numerals are given and detailed descriptions thereof are omitted.

  As shown in FIG. 10, the circulation unit 60 includes a pump 61, circulation paths 62 and 65, a bubble generation unit 63, a nozzle 64, and a flowing water nozzle 100. The cleaning tank 30 includes a cleaning unit 31, an overflow weir 32, and an oil and fat separator partition plate 110, and cleans the object container 20 in the cleaning water stored in the cleaning unit 31. The washing section 31 is provided with a running water nozzle 100 connected to a circulation path 65 branched from the circulation path 62, and clean washing water is supplied so as to cause a flow on the washing water surface of the washing section 31.

  The oil / water separation unit 80 is provided at a position in contact with the cleaning unit 31 through the overflow weir 32, and includes a separation tank 81, an oil and fat recovery unit 82, vertical partition plates 83a and 83b, and a horizontal partition plate 83c.

  The separation tank 81 is a tank that accumulates cleaning water containing fat and oil that has overflowed from the washing unit 31 through the overflow weir 32, and the oil and fat collection unit 82 has an oil and fat adsorption belt and an oil and fat collection container, and floated in the separation tank 81. Oils and fats are collected.

  The vertical partition plates 83a and 83b are plates that partition the flow in the horizontal direction with respect to the water surface of the washing water in the separation tank 81, so that the vertical partition plate 83a blocks the washing water surface portion in the separation tank 81 and communicates the bottom. It arrange | positions and the vertical partition plate 83b is arrange | positioned so that the bottom part in the separation tank 81 may be interrupted | blocked and a washing water surface part may be connected. That is, the vertical partition plates 83a and 83b are arranged so as to block the flow in the horizontal direction with respect to the cleaning water surface and change the flow to the vertical direction. In FIG. 10, one vertical partition plate 83a and one vertical partition plate 83b are arranged. However, when a plurality of vertical partition plates 83a and a vertical partition plate 83b are arranged according to the purpose, the vertical partition plates 83a and the vertical partition plates 83b are alternately arranged. Configure. In addition, the vertical partition plate 83b is provided immediately before the suction port 166 so as to prevent oil and fat remaining in the cleaning water and foreign matter from approaching the suction port 166, and at a position higher than the suction port 166 by 10 cm or more in the water surface direction. It is preferable to provide it.

  The horizontal partition plate 83 c is provided so as to be substantially parallel to the surface of the washing water in the separation tank 81 and is disposed so as to form a meandering flow path in the depth direction of the separation tank 81. That is, the horizontal partition plate 83c is arranged so as to block the flow in the vertical direction with respect to the water surface of the washing water and change it into a horizontal flow. For example, the horizontal partition plates 83c are alternately disposed on the overflow weir 32 and the vertical partition plate 83a, and are alternately disposed on the vertical partition plate 83a and the vertical partition plate 83b. The horizontal partition plate 83c is not only provided perpendicular to the overflow weir 32, the vertical partition plate 83a, and the vertical partition plate 83b, but may be disposed at an acute angle as necessary.

  In the separation tank 81, a suction port 166 is disposed at a predetermined height on the wall surface facing the overflow weir 32 and on the side surface in the vicinity thereof, that is, on the downstream side of the flow of cleaning water. In the vicinity of the suction port 166, since the pump 61 is sucked strongly through the circulation path 62, the flow of the washing water is fast, and the suction port 166 faces the bottom of the oil / water separator 80. There is a high possibility of hoisting and sucking up foreign objects that have sunk in the water. Therefore, it is preferable to arrange the suction port 166 so as to face upward with respect to the bottom surface of the oil / water separator 80. Note that an enclosure may be provided in the vicinity of the suction port 166. By providing such a configuration, the fine bubbles in the washing water hinder the progress in the direction of the suction port 166, and the fat and oil adsorbed on the fine bubbles and the foreign matter are suppressed from being sucked from the suction port 166. .

Next, the function of the oil / water separator 80 and the flow of cleaning water will be described.
In the separation tank 81, wash water that overflows from the washing section 31 over the upper edge of the overflow weir 32 accumulates, and the washing water from the washing section 31 floats with oil and fat in a weak flow state. Oil and water separated into water and water and floating near the surface of the washing water are collected in an oil and fat collection container 82 by using an oil and fat adsorption belt and the like.

  Here, the vertical partition plate 83a causes the cleaning water to flow in the bottom direction (downward in FIG. 10) and is separated along the meandering flow path formed by the horizontal partition plate 83c between the overflow weir 32 and the vertical partition plate 83a. Proceed to bottom of tank 81. When the washing water advances to the bottom of the separation tank 81, it passes through the bottom of the communicating vertical partition plate 83a (lower part in FIG. 10) and is formed by the horizontal partition plate 83c between the vertical partition plate 83a and the vertical partition plate 83b. It progresses to the water surface part (upper part in FIG. 10) of the separation tank 81 along the meandering flow path. The washing water flows through the washing water surface portion of the vertical partition plate 83b and flows between the vertical partition plate 83b and the wall surface of the separation tank 81 toward the bottom surface, and is at a predetermined height from the bottom surface of the separation tank 81. It is sucked from the provided suction port 166 and sent to the circulation unit 60.

  As described above, according to the cleaning device 10 of the third embodiment, in the oil / water separator 80, the vertical partition plate 83a changes the horizontal flow of the cleaning water to the vertical flow toward the bottom surface, The horizontal partition plate 83c partitions the flow of the cleaning water in the vertical direction to change the flow to the horizontal direction and forms a meandering flow path, and the vertical partition plate 83b flows in the vertical direction with the flow of the cleaning water directed toward the water surface. Since the fine bubbles in the cleaning water are suppressed from being sucked into the suction ports 166 by changing the pressure to the suction port 166, the oil and fats and foreign matters adsorbed on the fine bubbles in the cleaning water are removed. There is an effect that it is possible to suppress the flow into the circulation unit 60.

  In the third embodiment, as in the second embodiment, the washing tank 30 is provided with the running water nozzle 100 and the oil and fat separator plate 110. However, like the first embodiment, the washing tank 30 is provided with running water. The structure which does not provide the nozzle 100 and the oil-fat removal partition plate 110 may be sufficient.

Embodiment 4 FIG.
In the third embodiment, the configuration has been described in which the oil and fat adsorbed by the fine bubbles in the washing water and foreign matter are prevented from being sucked into the suction port 166 by the vertical partition plates 83a and 83b and the horizontal partition plate 83c. In Embodiment 4, a configuration in which the oil and fat part and foreign matters in the washing water are removed in the circulation part 60 will be described.

  Even if the oil and fat content and the foreign matter are suppressed from being sucked into the suction port 166 by the configuration of the cleaning apparatus 10 according to the third embodiment, the foreign matter and the like gradually enter after long-term use. The pump 61 of the circulation unit 60 has a problem that if foreign matter enters and accumulates, it causes a failure such as clogging, which causes a serious problem in the operation of the cleaning apparatus 10. Therefore, in the fourth embodiment, the foreign matter removing unit 400 is provided on the circulation path 62 in the preceding stage of the pump 61.

  Further, when the foreign matter removing unit 400 is clogged, the cleaning device 10 must be stopped and the foreign matter removing unit 400 must be removed from the piping as the circulation path 62 to be replaced or cleaned. Since time is required, there has been a problem that the yield is deteriorated due to a decrease in production volume and cleaning quality. Therefore, in the cleaning device 10 of the fourth embodiment, the bypass path 403 of the circulation path 62 is provided.

  FIG. 11 is a side cross-sectional view illustrating the configuration of the cleaning tank 30, the circulation unit 60, and the oil / water separation unit 80 of the cleaning device 10 according to the fourth embodiment. In addition, since structures other than the circulation part 60 are the same as that of the cleaning apparatus 10 of Embodiment 2, the same code | symbol is attached | subjected and the detailed description is abbreviate | omitted.

  As shown in FIG. 11, the cleaning tank 30 includes a cleaning unit 31, an overflow weir 32, and an oil and fat separator partition plate 110, and the cleaning container 30 in the cleaning object container 20 is stored in the cleaning water stored in the cleaning unit 31. Wash the wash. The washing section 31 is provided with a running water nozzle 100 connected to a circulation path 65 branched from the circulation path 62, and clean washing water is supplied so as to cause a flow on the washing water surface of the washing section 31.

  The oil / water separation unit 80 is provided at a position in contact with the cleaning unit 31 through the overflow weir 32, and includes a separation tank 81 and an oil and fat recovery unit 82. The oil / water separator 80 may have a configuration in which the vertical partition plates 83a and 83b and the horizontal partition plate 83c are provided in the same manner as the oil / water separator 80 of the third embodiment.

  The circulation unit 60 includes a pump 61, circulation paths 62 and 65, a bubble generation unit 63, a nozzle 64, a flowing water nozzle 100, a suction port 166, a foreign substance removal unit 400, a valve 401, a state monitoring unit 402, and a bypass path 403. Yes.

  The pump 61 sucks the cleaning water of the oil / water separator 80 from the suction port 166 and sends it into the cleaning tank 30 to circulate the cleaning water. The circulation path 62 forms a flow path of the cleaning water to be circulated. Pipes, etc. The bubble generating unit 63 mixes gas and cleaning water to generate bubbles, and the nozzle 64 blows the cleaning water toward the object container 20 in the cleaning tank 30. The circulation path 65 branches from the circulation path 62 and supplies cleaning water to the nozzle 100, and the nozzle 100 sends the cleaning water to the vicinity of the cleaning water surface of the cleaning tank 30 to generate a flow on the water surface.

  The bypass path 403 is provided as a bypass flow path on the circulation path 32 between the suction port 166 of the circulation unit 60 and the pump 61.

  The foreign substance removing unit 400 is provided in the circulation path 62 and the bypass path 403, and receives foreign substances flowing from the oil / water separation unit 80 and removes them from the cleaning water. The foreign matter removing unit 400 is, for example, a filter or a strainer.

  The valve 401 is provided on the circulation path 62 and the bypass path 403 so as to sandwich the foreign substance removal unit 400 and the state monitoring unit 402. By opening and closing the valve 401, cleaning on the circulation path 62 or the bypass path 403 is performed. Control water flow and water stoppage.

  The state monitoring unit 402 is provided so as to sandwich the foreign matter removing unit 400 on the circulation path 62, and measures the flow state in the foreign matter removing unit 400. The state monitoring unit 402 is, for example, a pressure gauge or a flow meter. That is, the clogging state in the foreign matter removing unit 400 can be monitored by monitoring the pressure gauge or the flow meter as the state monitoring unit 402. The state monitoring unit 402 may be configured to sandwich the foreign matter removing unit 400 on the bypass path 403 as well as on the circulation path 62.

Next, the functional operation of the circulation unit 60 in the cleaning device 10 of the fourth embodiment will be described.
As shown in FIG. 11, normally, the valve 401 of the bypass path 403 is in the closed state, and the valve 401 of the circulation path 62 is in the open state, and the wash water is passed to the pump 61.

  When the foreign matter removing unit 400 is clogged with foreign matter or the like, the valve 401 of the circulation path 62 is closed and the valve 401 of the bypass path 403 is opened, and the flow of cleaning water is changed to the bypass path 403 to change the circulation path 62. The flow of cleaning water between the valves 401 is stopped. Thus, by changing the flow of the cleaning water to the bypass path 403, the cleaning device 10 is not stopped when the foreign matter removing unit 400 is replaced or cleaned.

  As described above, according to the cleaning device 10 of the fourth embodiment, in the circulation unit 60, the foreign matter removal unit 400 is provided on the circulation path 62 between the suction port 166 and the pump 61, and the foreign matter removal unit 400 is circulated. The foreign matter that has flowed into the passage 62 is removed from the cleaning water, and the bypass passage 403 can be used as a bypass for the circulation passage 62 when the foreign matter removal unit 400 is clogged with foreign matter, thereby reducing the cause of the failure of the pump 61. At the same time, the foreign matter removing unit 400 on the circulation path 62 can be replaced and cleaned without stopping the cleaning device 10, and the yield can be prevented from deteriorating.

  In the fourth embodiment, as in the second embodiment, the washing tank 30 is provided with the running water nozzle 100 and the oil and fat separator partition plate 110. However, as in the first embodiment, the washing tank 30 is provided with running water. The structure which does not provide the nozzle 100 and the oil-fat removal partition plate 110 may be sufficient.

Embodiment 5 FIG.
In the fourth embodiment, the description has been given of the configuration in which the bypass path 403 that bypasses the circulation path 62 is provided before the pump 61 of the circulation section 60 and the foreign matter removing section 400 is provided on the circulation path 62 and the bypass path 403. In the fifth embodiment, a configuration for improving the maintenance performance of the cleaning tank 30 and the oil separation unit 80 of the cleaning apparatus 10 will be described.

  When cleaning with cleaning water containing fine bubbles, especially when cleaning parts that have undergone a cutting process, foreign objects such as heavy metal cutting powder adhering to the cutting parts are peeled off from the cutting parts by the fine bubbles. And collected at the bottom of the washing tank 30 and the oil / water separator 80.

  If foreign matter such as metal cutting powder is left on the bottom of the cleaning tank 30 or the oil / water separator 80, there is a problem that it is rolled up in the cleaning water and causes deterioration of cleanliness or clogging of the pump. Further, there is a problem that it is difficult to completely discharge foreign matters such as metal cutting powder accumulated on the bottoms of the cleaning tank 30 and the oil / water separator 80.

  Therefore, the fifth embodiment is configured such that foreign matters such as metal cutting powder accumulated on the bottom of the cleaning tank 30 and the oil / water separator 80 can be easily discharged.

  FIG. 12 is a side cross-sectional view illustrating the configuration of the cleaning tank 30, the circulation unit 60, and the oil / water separation unit 80 of the cleaning device 10 according to the fifth embodiment. In addition, since structures other than the cleaning tank 30 and the oil / water separator 80 are the same as those of the cleaning apparatus 10 of the second embodiment, the same reference numerals are given and detailed descriptions thereof are omitted.

  As shown in FIG. 12, the circulation unit 60 includes a pump 61, circulation paths 62 and 65, a bubble generation unit 63, a nozzle 64, and a flowing water nozzle 100. The circulation unit 60 may be configured to include the foreign substance removal unit 400, the valve 401, the state monitoring unit 402, and the bypass path 403 as in the fourth embodiment.

  The cleaning tank 30 includes a cleaning unit 31, an overflow weir 32, and an oil and fat separator partition plate 110, and cleans the object to be cleaned in the cleaning object container 20 in the cleaning water stored in the cleaning unit 31. The washing section 31 is provided with a running water nozzle 100 connected to a circulation path 65 branched from the circulation path 62, and clean washing water is supplied so as to cause a flow on the washing water surface of the washing section 31.

  Further, the cleaning tank 30 is provided with a slope 501 and a foreign matter discharge part 502. The slope 501 has a tapered bottom at the bottom of the cleaning tank 30, and the foreign matter precipitated in the cleaning water is at the deepest central portion of the taper. It is trying to accumulate. The foreign matter discharge unit 502 is provided at the center of the bottom portion of the slope 501 and is configured to open the valve and appropriately draw out and discharge the foreign matter accumulated on the bottom portion.

  The oil / water separation unit 80 is provided at a position in contact with the cleaning unit 31 through the overflow weir 32, and includes a separation tank 81 and an oil and fat recovery unit 82. The oil / water separator 80 may have a configuration in which the vertical partition plates 83a and 83b and the horizontal partition plate 83c are provided in the same manner as the oil / water separator 80 of the third embodiment.

  In addition, the separation tank 81 of the oil / water separation section 80 is provided with a slope 501 and a foreign matter discharge section 502. The slope 501 has a tapered bottom that forms a bottom of the separation tank 81 and has a tapered shape. It collects in the deepest central part. The foreign matter discharge unit 502 is provided at the center of the bottom portion of the slope 501 and is configured to open the valve and appropriately draw out and discharge the foreign matter accumulated on the bottom portion.

  In addition, in Embodiment 5, although the structure where the slope 501 and the foreign material discharge part 502 were provided in both the washing tank 30 and the oil-water separation part 80 was demonstrated, either the washing tank 30 or the oil-water separation part 80 is provided. You may comprise so that it may provide.

  As described above, according to the fifth embodiment, the slope 501 and the foreign matter discharge unit 502 are provided at the bottom of the cleaning tank 30 or the bottom of the oil / water separator 80, and the slope 501 has a central portion at the bottom of the foreign matter that precipitates in the cleaning water. The foreign matter discharge unit 502 is configured to be able to discharge the accumulated foreign matter, so that foreign matters such as metal cutting powder can be easily discharged, and the foreign matter is not rolled up into the washing water, and the cleanliness deterioration or pump The effect that it is possible to suppress clogging is obtained.

  In the fifth embodiment, as in the second embodiment, the cleaning tank 30 is provided with the flowing water nozzle 100 and the oil and fat separator partition plate 110. However, as in the first embodiment, the cleaning tank 30 has the flowing water. The structure which does not provide the nozzle 100 and the oil-fat removal partition plate 110 may be sufficient.

  DESCRIPTION OF SYMBOLS 10 Washing | cleaning apparatus, 11 Control part, 12 Opening part (carrying in / out opening), 13 Shutter, 20 To-be-washed object container, 21 Holding shaft, 22 Rotating shaft, 23 Rotation drive key, 24 Transport handle, 30 Washing tank, 31 Washing part , 32 Overflow weir, 40 Lifting mechanism part, 41 Main lifting part (first lifting mechanism part), 42 Main air cylinder, 43 Sub lifting part (second lifting mechanism part), 44 Sub air cylinder, 45 Object to be cleaned Container receiver, 46 Guide rail, 47 Arm, 50 Rotating mechanism, 51 Rotating motor, 52a, 52b Rotating sprocket, 53 Drive chain, 54 Rotating drive shaft, 55 Washed object container bearing, 56 Key groove, 60 Circulating part ( Circulation path part), 61 Pump (circulation path part), 62, 65 Circulation path (circulation path part), 63 Bubble generation part, 64 Nozzle (bubble generation part) , 70 Drain mechanism, 71 Air nozzle (injection device), 72 Air nozzle mounting plate (injection device), 73 Air nozzle fixture (injection device), 74 Air hose (injection device), 75 Air cylinder, 76 arm, 77 Air control valve ( 78) Groove, 80 Oil / water separation part, 81 Separation tank, 82 Oil and fat collection part, 83a, 83b Vertical partition plate, 83c Horizontal partition plate, 90 Sliding holding mechanism part, 91 Arm material, 92 Non-slip material (slip) Stopping), 100 running water nozzle, 110 oil and grease separator partition plate, 166 suction port, 400 foreign matter removing unit, 401 valve, 402 state monitoring unit, 403 bypass path, 501 slope, 502 foreign matter discharging unit.

Claims (9)

A container to be cleaned for storing the object to be cleaned;
A sliding holding mechanism that slides the object container into and out of the apparatus; and
A cleaning tank for immersing and cleaning the container to be cleaned in cleaning water;
An elevating mechanism unit that raises and lowers the container to be cleaned carried by the slide holding mechanism unit and immerses it in the cleaning tank and lifts it; and
A rotating mechanism that is provided in the elevating mechanism and rotates the container to be cleaned that has been immersed and pulled into the cleaning tank by the elevating mechanism;
An oil / water separator for separating oil and fat from the wash water of the washing tank;
A bubble generating unit that jets a cleaning water flow containing bubbles to the object container to be cleaned that is immersed in the cleaning tank and rotated by the rotation mechanism unit.
A circulation path that circulates the wash water from which the oil and fat has been separated by the oil / water separator to the bubble generation unit;
A cleaning apparatus comprising: a draining mechanism that ejects an air flow for draining the washed object container that has been lifted from the cleaning tank and rotated by the rotating mechanism. The draining mechanism is
An air nozzle that injects an air flow of compressed air, an air control valve that supplies compressed air to the air nozzle, and a groove formed in the vertical direction. The air nozzle slides up and down along the groove and necks up and down. At least one or more jetting device portions each provided with a mounting plate portion that is swingably supported;
An arm that supports the spray device;
The cleaning apparatus according to claim 1, further comprising: an air cylinder that swings an air nozzle of the ejection device portion in the left-right direction via the arm. The washing tank includes an overflow weir adjacent to the oil / water separator, and a partition provided at a corner of the tank to block the flow of oil and fat floating on the water surface to the corner,
The cleaning apparatus according to claim 1 or 2, wherein the cleaning water containing the oil and fat flows toward the overflow weir by rotation of the container to be cleaned immersed in the cleaning water.   4. The cleaning apparatus according to claim 3, further comprising a flowing water nozzle that ejects cleaning water from the cleaning water or a water surface position facing the overflow weir in the cleaning tank toward the overflow weir. The container to be cleaned is a cylindrical container having a carrying handle on the outer surface, and is provided with holding shafts having a D-shaped cross section at both ends of the cylindrical axial direction,
The sliding holding mechanism portion includes an arm material that becomes a sliding rail provided protruding from the carry-in port of the device,
The object container is placed on the arm member of the sliding holding mechanism, and is slid in a state where the arm member and the D-shaped cut surface of the holding shaft are in contact with each other, and is carried into and out of the apparatus. The cleaning apparatus according to any one of claims 1 to 4, wherein the cleaning apparatus is provided. The container to be cleaned includes a rotation shaft and a rotation drive key at both ends on the same axis of the holding shaft,
The carrying handle is provided on the outer surface of the object to be cleaned so as to face the carry-in port side in a state in which the cut surface having a D-shaped cross section of the holding shaft is in contact with the arm material. Item 6. The cleaning device according to Item 5. The rotation mechanism unit includes a motor, a rotation drive shaft that transmits the rotation force of the motor via a drive chain, and a bearing that supports the rotation shaft of the object container,
The rotation force of the motor is transmitted to the rotation shaft of the object container when the rotation drive key of the object container is fitted in a key groove formed on the rotation drive shaft. Item 7. A cleaning device according to Item 6. The elevating mechanism unit includes a first elevating mechanism unit that immerses the object container in the cleaning tank and lifts the object container, and a second unit that attaches and removes the rotating shaft of the object container to the bearing of the rotating mechanism unit. And a lifting mechanism part,
The second elevating mechanism unit includes an object container receiver that supports a rotating shaft of the object container,
The cleaning object container has a rotating shaft supported by the cleaning object container receiver at a height that matches the arm material of the sliding holding mechanism unit, and the rotating shaft is rotated by the second lifting mechanism unit. The cleaning device according to claim 6 or 7, wherein the cleaning device is attached to and detached from a bearing of the mechanism portion.   The cleaning apparatus according to any one of claims 5 to 8, wherein the sliding holding mechanism portion is provided with a slip stopper at a tip portion of the arm member protruding from the carry-in port of the apparatus.

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