JP3321635B2 - Cleaning equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning apparatus for removing chips, oils and the like adhering to machined parts, for example.

[0002]

2. Description of the Related Art Conventionally, as shown in Japanese Utility Model Publication No. 63-2437, for example, this type of cleaning apparatus includes a cleaning station in which a main body of the cleaning apparatus mainly cleans the object to be cleaned, and a cleaning object after cleaning. And an air blow station for draining and drying. That is, washing and draining and drying are performed in separate rooms.

[0003]

In the above prior art, since the cleaning station and the air blow station of the cleaning device main body are provided at different places, the cleaning device main body itself becomes large and the installation area becomes large. At the same time, there was a problem that the production cost became expensive.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems.
It is an object of the present invention to provide a cleaning device that reduces the installation area and the manufacturing cost.

[0005]

According to the present invention, as a means for solving the above-mentioned conventional problems, an object to be cleaned is immersed in a cleaning solution stored in a cleaning chamber, and the high-pressure cleaning solution is rotated while rotating the object to be cleaned. In a cleaning apparatus configured to eject and perform cleaning, a rotary unit having a transport device coaxial with a transport line of a transporting device for transporting the workpiece to the cleaning chamber in the cleaning chamber is rotatably disposed. A high-pressure cleaning solution or phosphorous is applied to the object to be cleaned mounted on the rotating unit at a position below the level of the cleaning solution stored during cleaning in the cleaning chamber.
A washing nozzle for ejecting a cleaning solution, and an air blow nozzle for ejecting compressed air toward an object to be washed after washing is arranged above the washing chamber. Providing a gripping device for fixing the object to be cleaned placed on the unit at a predetermined position, near the cleaning chamber,
A cleaning liquid supply tank for supplying the cleaning liquid to the cleaning chamber is provided at least at a position higher than the level of the cleaning liquid stored in the cleaning chamber, and a cleaning liquid is supplied between the cleaning liquid supply tank and the cleaning nozzle.
A pump is provided, and the cleaning liquid supply tank and the cleaning liquid
Auxiliary pump between cleaning tank and cleaning tank
And switches between the washing pump and the auxiliary pump.
The high-pressure cleaning liquid is supplied by the cleaning pump to the auxiliary pump.
The rinse cleaning liquid is supplied to the cleaning nozzle by
Further, an airtight closing means for airtightly closing the entrance is provided at the entrance of the object to be cleaned in the cleaning chamber.

[0006]

In the present invention, when the object to be cleaned is placed on the rotating unit of the cleaning chamber, the airtight closing means provided at the entrance and exit of the object to be cleaned in the cleaning chamber is operated to hermetically close the entrance and exit of the cleaning chamber. . Then, the object to be cleaned placed on the rotating unit is
Clamp with the gripper. Thus, the object to be cleaned is positioned and fixed to the rotating unit.

When the object to be cleaned is fixed to the rotating unit,
The cleaning liquid stored in the cleaning liquid supply tank is supplied to the cleaning chamber, and the object to be cleaned positioned in the rotating unit is immersed in the cleaning liquid. Then, the rotating unit rotates and the high-pressure cleaning liquid is jetted from the cleaning nozzle toward the object to be cleaned.

[0008] As described above, when the high-pressure cleaning liquid is jetted from the cleaning nozzle toward the object to be cleaned, the cleaning liquid in the cleaning chamber is stirred, and the object to be cleaned immersed in the cleaning liquid is washed with the high-pressure cleaning liquid while rotating. Is done. Then, when the cleaning is completed, the ejection of the high-pressure cleaning liquid from the cleaning nozzle stops.

[0009] When the cleaning is completed, all the dirty cleaning liquid in the cleaning chamber is discharged, and then the rinse cleaning liquid is jetted from the cleaning nozzle toward the object to be cleaned, like the high-pressure cleaning liquid.
At this time, since the rotating unit is rotating, the dirty cleaning liquid attached to the surface of the object to be cleaned is removed.

[0010] When the rinsing cleaning is completed, the rinsing of the rinsing cleaning liquid from the cleaning nozzle is stopped, and air is blown toward the object to be cleaned from an air blow nozzle provided at a position above the cleaning chamber. The cleaning liquid after the rinsing cleaning adhered to the surface of the object to be cleaned is removed, and the object to be cleaned is drained.

When the draining of the object to be cleaned is completed, the rotation of the rotating unit stops. Release the gripping device and release the clamp on the object to be cleaned.

On the other hand, when the rotating unit stops, the airtight closing / opening device for the entrance and exit of the cleaning chamber is operated to open the entrance of the cleaning chamber. Then, the object to be cleaned next is transported into the cleaning chamber, and the object to be cleaned after cleaning is carried out. As a result, the object to be cleaned after cleaning is transported to the next step,
One washing cycle ends.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS. In the drawing, reference numeral 1 denotes a cleaning device main body, and reference numeral 2 denotes a cleaning device main body 1.
It is a gantry. A loading drive roller conveyor 3 is provided on the gantry 2.

A pair of upper and lower guide rails 4 provided on the upper and lower sides of the support member 5 fixed to the frame portion of the carry-in drive roller conveyor 3 are supported. A pair of guide rails 6 is fixedly supported on the upper part of the support member 7 fixed to the gantry 2 (see FIG. 2 for the support member 7 and FIG. 3 for the guide rail 6), and the pair of guide rails 6 is carried in. It is disposed so as to be coaxial with the driving roller conveyor 3. The carry-in drive roller conveyor 3 and a pair of guide rails 4 constitute a device for transporting an object to be cleaned.

A pusher 8 is slidably engaged with the pair of guide rails 6. The pusher 8 is configured to advance and retreat along a pair of guide rails 6 by a roller 9 rotatably mounted at an appropriate position. That is, the pusher 8 is guided by a pair of guide rails (see FIGS. 2 and 5, FIGS. 7 and 8).

The pusher 8 is provided with a press (not shown) at an appropriate position in the upper part thereof with an appropriate interval. The front pusher is for carrying out the cleaning target W after washing in the washing chamber 11 to be described later onto a carry-out drive roller conveyor 75 (see FIGS. 1 and 2), and the rear pusher is for carrying-in drive roller conveyor 3. The object to be cleaned W is carried into the cleaning room 11.

A rod chain 10 is fixedly supported on the gantry 2, and a chain 10 '(see FIG.
) Is connected to the pusher 8, and the pusher 8 moves forward and backward as the chain 10 'expands and contracts.

As shown in FIG. 4, a rotating unit 12 for gripping an object W to be cleaned is rotatably disposed inside a cleaning chamber 11 provided on the gantry 2. Rotating unit 12
The main body frame has an opening 13 ′ formed in the center, and a pair of rotating disks 13 disposed on the inlet side and the outlet side of the cleaning chamber 11,
It is schematically constituted by a connecting member 14 for connecting the pair of rotating disks 13. In FIG. 4, reference symbol I indicates the inlet side of the cleaning chamber 11, and reference symbol O indicates the outlet side.

A support roller 15 is rotatably mounted on a bracket 16 fixed above and below inside the cleaning chamber 11. The support roller 15 is engaged with the outer periphery of the pair of rotating disks 13 of the rotating unit 12 to rotatably support the rotating unit 12.

A free roller conveyor 17 is provided inside the rotation unit 12 so as to be coaxial with the carry-in drive roller conveyor 3. The free roller conveyor 17 is shown in FIG.
As shown in FIG. 6, the cleaning unit 11 extends to the vicinity of the entrance of the cleaning chamber 11 through an opening 13 ′ provided in the pair of rotating disks 13 of the rotating unit 12.

Further, two pairs of guide rails 18 are provided above the free roller conveyor 17 of the rotating unit 12 so as to be coaxial with the pair of guide rails 4.
As shown in FIG. 4, the pair of guide rails 18 extend to the vicinity of the entrance and exit of the cleaning chamber 11 through the opening 13 'of the rotating disk 13 similarly to the free roller conveyor 17. The free roller conveyor 17 and the guide rail 18 constitute a transfer device.

Further, a pair of guide rails 19 are provided below the free roller conveyor 17 of the rotating unit 12 so as to be coaxial with the pair of guide rails 6. As shown in FIG. 4, the pair of guide rails 19 extend to the vicinity of the entrance and exit of the cleaning chamber 11 through the opening 13 ′ of the rotating disk 13 similarly to the free roller conveyor 17.

The rotating disk 13 on the outlet side O of the pair of rotating disks 13
As shown in FIG. 8, a front stopper 20 is rotatably mounted on a hinge pin 21. The front stopper 20 is engaged with the front portion of the object W to be cleaned, and is always urged by a spring 22 toward the side engaged with the object W to be cleaned. The free roller conveyor 17 is provided with an anti-back stopper (not shown) for supporting the article W to be washed from the rear at a suitable distance from the front stopper 20.

A front stopper cylinder 23 is provided outside the upper part of the cleaning chamber 11, and a piston rod of the front stopper cylinder 23 slides on a guide holder 24 fixed inside the cleaning chamber 11, as shown in FIG. It is connected to a push rod 25 fitted freely. A pusher 26 is fixed to the lower end of the push rod 25, and the pusher 26 engages with the base end of the front stopper 20.

Therefore, the front stopper cylinder 23 is operated, and the front stopper 20 is rotated by the expansion and contraction of its piston rod (not shown). A detection dog 27 is fixed to the outside of the rotating disk 13 on the outlet side of the pair of rotating disks (see FIG. 8).

As shown in FIG. 8, a detection guide holder 28 is fixed inside the cleaning chamber 11, and a detection rod 29 is slidably fitted in the detection guide holder 28. Detection rod
Numeral 29 is always urged forward by a spring (not shown) provided in the detection guide holder 28.

A detection roller 30 is rotatably mounted on the tip of the detection rod 29, and the detection roller 30 is connected to the detection dog.
27 can be engaged. An actuator 31 is mounted on the base end of the detection rod 29.

The cleaning chamber can be engaged with the actuator 31.
Limit switch is attached to the bracket 33 fixed on the upper part of 11
32 are supported.

The rotating disk 13 on the inlet side I of the pair of rotating disks 13
As shown in FIG. 5, a positioning member 34 is fixed to the inside of the inside, and a positioning groove 34 'is formed in the positioning member 34. The tip of the positioning rod 35 is engaged with the positioning groove 34 '. The positioning rod 35 is slidably fitted to a positioning guide holder 36 fixed inside the cleaning chamber 11.

The cleaning chamber 11 is provided at the base end of the positioning rod 35.
The piston rod of the positioning cylinder 37 fixed to the upper part is connected.

As shown in FIGS. 4 and 5, an annular sprocket 38 is provided on the rotating disk 13 on the inlet side I of the pair of rotating disks 13 so as to be coaxial with the rotating disk 13.
(See FIG. 4).

A bearing case 40 is provided in the upper part of the cleaning chamber 11, and the bearing case 40 has a sprocket.
A rotating shaft 42 to which 41 is attached is rotatably supported. The rotation shaft 42 has a rotation drive motor provided above the cleaning chamber 11.
The drive shaft 44 'of 44 is connected via the coupling 43. The sprocket 41 and the annular sprocket 38 are connected by a rotary drive chain 45.

A substrate 46 is fixed to a connecting member 14 connecting the pair of rotating disks 13 of the rotating unit 12 (FIGS. 4 and 7).
reference). A nut 47 is fixedly supported on the lower surface of the substrate 46, and a clamp shaft 48 is rotatably screwed to the nut 47.

A clamp base 49 is fixedly supported at the tip of the clamp shaft 48, and a clamper 50 is provided at an appropriate position on the clamp base 49. Further, a pair of guide holders 51 is provided on the substrate 46, and a guide shaft 52 whose distal ends are fixed to the clamp base 49 is slidably fitted to the pair of guide holders 51 (FIG. 4). And FIG. 7).

As shown in FIG. 4, a clamp cylinder 53 is provided on the upper wall of the cleaning chamber 11, and the clamp cylinder 53 is fixedly supported by a bracket 54 provided on the upper wall of the cleaning chamber 11. Have been. Substrate inside cleaning chamber 11
A substrate 55 is provided, and the substrate 55 is fixedly supported by a piston rod 53 'of the clamp cylinder 53 (see FIG. 5 and FIG. 7 for the piston rod 53'). The bracket 54 is provided with a pair of guide holders 56, and the pair of guide holders 56 has a guide shaft having a distal end fixed to the substrate 55.
57 are slidably fitted.

A nut runner 58 is fixedly supported on the substrate 55. At the base end of the clamp shaft 48, a rotation drive socket 59 engageable with the base end is provided. The rotation drive socket 59 is connected to the rotation drive shaft of the nut runner 58 so as to be slidable back and forth, and rotatably with the rotation drive shaft of the nut runner 58. Further, the rotary drive socket 59 is elastically urged forward by a spring (not shown). Above clamp cylinder 53, nut runner
A gripping device is constituted by 58, the clamp 50, and the like.

A support bracket fixed to the lower part of the cleaning chamber 11
A pair of cleaning fixed nozzle chambers 60 are fixedly supported by 61. A pair of cleaning fixed nozzle chambers 60 are arranged on both sides of the rotating unit 12 along the transport direction of the cleaning object W. In the pair of cleaning fixed nozzle chambers 60, a plurality of cleaning nozzles 62 are mounted at appropriate positions toward the object W to be cleaned.

A pair of air blow fixed nozzle chambers is provided on the support bracket 64 fixed on the upper part of the cleaning chamber 11.
63 is fixedly supported. The pair of air blow fixed nozzle chambers 63 is disposed on both sides of the rotary unit 12 along the transport direction of the cleaning object W. In the pair of air blow fixed nozzle chambers 63, a plurality of air blow nozzles 65 (draining nozzles) are mounted at appropriate positions toward the object W to be cleaned.

A pair of air blow fixed nozzle chambers 66 are fixedly supported by support brackets 67 fixed to front and rear walls on the inlet side I and the outlet side O of the cleaning chamber 11. In the pair of air blow fixed nozzle chambers 66, a plurality of air blow nozzles 68 are mounted at appropriate positions toward the object W to be cleaned.

An airtight closing opening / closing device 69, which is an airtight closing means, is provided at the inlet / outlet of the object to be cleaned of the cleaning chamber 11 (for details of the airtight closing / opening device 69, refer to Japanese Patent Application No. Hei 6-22884).
No. 7). A guide rail 70 having a substantially U-shaped cross section is provided at the entrance and exit of the object to be washed of the cleaning chamber 11 so as to surround the entrance and exit of the object to be washed. At the bottom of the guide rail 70, a seal member is mounted at an appropriate position. An airtight door 71 is slidably fitted on the guide rail 70.

A door elevating cylinder 72 is fixedly supported by a bracket 73 fixed to the upper part of the cleaning chamber 11. The piston rod 72 ′ of the door elevating cylinder 72 is connected to a connection fitting 74 fixed to the airtight door 71. The hermetic door 71, the guide rail 70, and the door elevating cylinder 72 constitute an hermetic closing / opening device 69.

A carry-out drive roller conveyor 75 is provided on the gantry 2. A support member 77 is fixed to the carry-out drive roller conveyor 75, and the support member 77 supports a pair of left and right guide rails 76 provided vertically.

The cleaning chamber 11 is provided with a pair of high-pressure cleaning liquid pipes 78. One side of the pair of high-pressure cleaning liquid pipes 78 is connected to a pair of cleaning fixed nozzle chambers 60, and the other side is supplied with a cleaning liquid via a cleaning pump (not shown).
It communicates with the supply tank 81 . Further, the drainage pipe 79 communicates with the cleaning liquid tank 80 via a filtration device (not shown).

A cleaning liquid supply tank 81 is mounted on a mount 82 provided on the cleaning liquid tank 80. The cleaning liquid supply tank 81 is at least at a position higher than the level of the cleaning liquid stored in the cleaning chamber 11 during cleaning. It is provided as follows. The cleaning liquid supply tank 81 communicates with an appropriate position of the cleaning chamber 11 via a cleaning liquid supply pipe (not shown) provided with a valve at an appropriate position.

Further, a replenishing liquid pipe (not shown) is provided in the cleaning liquid supply tank 81. The replenishing liquid pipe is connected to a cleaning liquid tank via an auxiliary pump (not shown) provided on the cleaning liquid supply tank 81.
Communicates with 80. Further, a switching valve is provided between the auxiliary pump (not shown) of the replenishing liquid pipe of the cleaning liquid supply tank 81 and the cleaning liquid supply tank 81, and the switching valve and the pair of cleaning fixed nozzle chambers 60 are connected by a rinse cleaning pipe. I have.

Next, the operation of this embodiment will be described. First,
All devices are assumed to be in their original positions as shown. Then, the article W to be cleaned is placed on the carry-in drive roller conveyor 3, and the carry-in drive roller conveyor 3 is operated. At this time, since a stopper (not shown) protrudes at an appropriate position of the carry-in drive roller conveyor 3, the object to be cleaned W comes into contact with the stopper and stops.

When the object to be cleaned W comes into contact with the stopper and stops, the carry-in roller conveyor 3 stops, the rod chain 10 operates, the chain 10 'of the rod chain 10 is extended, and the pusher 8 is advanced.

When the pusher 8 moves forward, the stopper (not shown) is retracted, so that the rear pusher provided on the upper portion (not shown) of the pusher 8 presses the rear part of the article W to be cleaned.
The object to be cleaned W is transferred into the cleaning chamber 11.

Then, the object to be cleaned W is conveyed into the cleaning chamber 11 and the free roller conveyor 17 provided in the rotating unit 12 is provided.
A part is placed on top. At this time, since the pusher 8 is still advanced, the pusher 8 is provided at an appropriate position of the free roller conveyor 17 through the opening 13 'of the rotary disk 13 on the inlet side of the pair of rotary disks 13 as shown mainly in FIG. Push down the anti-back stopper (not shown)
The pair is guided by a pair of left and right guide rails 18 and transported to a predetermined position of the rotary unit 12.

That is, the anti-back stopper (not shown) is configured to protrude by the resilience of the spring when the cleaning object W passes through, and to support the rear portion of the cleaning object W. As shown in FIG. The front stopper cylinder 23 of the front stopper 20 operates, shortening its piston rod,
The pusher 26 is retracted via the push rod 25 and protrudes toward the side to be engaged with the object to be cleaned W by the resilience of the spring 22, so that the object to be cleaned W is located between the front stopper 20 and the anti-back stopper. The rotary unit 12 is placed on the free roller conveyor 12.

Since the distance between the front stopper 20 and the anti-back stopper is set so as to correspond to the longest workpiece W, the workpieces W having different lengths can be easily rotated by the rotating unit 12. Can be placed on

When the object W to be cleaned is placed on the rotary unit 12, the chain 10 '(see FIG. 8) of the rod chain 10 (see FIG. 1) is shortened, and the pusher 8 is retracted. While returning to the original position, the door elevating cylinder 72 provided at the entrance and exit of the cleaning chamber 11 shown in FIGS.
Is lowered to hermetically close the entrance of the cleaning chamber 11.

Further, when the object to be cleaned W is placed on the rotating unit 12, the nut runner mainly shown in FIG.
58 operates, the rotation drive shaft of the nut runner 58 rotates forward,
Rotate the rotation drive socket 59 forward. Rotary drive socket 59
Is rotated forward, the clamp shaft 48 is also rotated forward, the clamp base 49 is lowered, and the workpiece W is clamped by the clamper 50. That is, the object to be cleaned W is positioned and fixed to the rotating unit 12.

When the object to be cleaned W is clamped by the clamper 50, the clamp cylinder 53 is operated, and its piston rod
53 ′ is shortened, the nut runner 58 is raised to a position where the rotary drive socket 59 does not hinder rotation of the rotary unit 12, and the engagement between the rotary drive socket 59 and the clamp shaft 48 is released.

Since the clamper 50 is lowered from above to press and clamp the workpiece W, it is possible to position the workpieces W having different heights on the rotary unit 12 very easily. Can be.

When the entrance and exit of the cleaning chamber 11 are airtightly closed and the object to be cleaned W is positioned on the rotary unit 12, the cleaning liquid supply (not shown) provided between the cleaning chamber 11 and the cleaning liquid supply tank 81 is performed. The piping valve opens and the cleaning liquid supply tank 81
The cleaning liquid stored in the cleaning chamber 11 is supplied at a stretch to the cleaning chamber 11,
The object to be cleaned W positioned on the rotating unit 12 is immersed in the cleaning liquid. When the cleaning liquid is supplied to the cleaning chamber 11, the valve of the cleaning liquid supply pipe is closed, and an auxiliary pump (not shown) is operated to supply the cleaning liquid in the cleaning liquid tank 80 to the cleaning liquid supply tank 81 via the supply liquid pipe during the cleaning cycle. I do.

On the other hand, when the entrance and exit of the cleaning chamber 11 are airtightly closed and the object to be cleaned W is positioned on the rotary unit 12,
The positioning cylinder 37 shown in FIGS. 5 and 6 operates,
The piston rod is shortened, the positioning rod 35 is raised, and the engagement between the positioning rod 35 and the positioning groove 34 'of the positioning member 34 is released. This allows the rotation unit
Since the cleaning liquid 12 is rotatable, when the cleaning liquid is supplied to the cleaning chamber 11, the rotation drive motor 44 shown in FIG.
The drive shaft 44 'rotates to rotate the rotary unit 12, and a cleaning pump (not shown) is operated. The cleaning object W is mainly transmitted from a plurality of cleaning nozzles 62 mounted on a pair of cleaning fixed nozzle chambers 60 shown in FIG. The high-pressure cleaning liquid is jetted toward the.

As described above, when the high-pressure cleaning liquid is jetted from the plurality of cleaning nozzles 62 toward the cleaning object W, the cleaning liquid in the cleaning chamber 11 is stirred, and the cleaning object W is immersed in the cleaning liquid. Thus, washing is efficiently performed by the high-pressure washing liquid while rotating.

During the cleaning cycle, the high-pressure cleaning liquid ejected from the plurality of cleaning nozzles 62 is sent to a filtration device through a drain pipe 79 by operating a sludge pump (not shown).
After being filtered, it is circulated to the washing liquid tank 80. Further, the water is discharged from an overflow port (not shown) provided at an appropriate position in the cleaning chamber 11, and is circulated to the cleaning liquid tank 80 via a filtration device.

When the predetermined cleaning cycle is completed, the operation of the cleaning pump (not shown) is stopped, and the ejection of the high-pressure cleaning liquid from the plurality of cleaning nozzles 62 is stopped. Even if the jet of high-pressure cleaning liquid stops, the sludge pump is still operating,
All dirty cleaning liquid in the cleaning chamber 11 is discharged. Cleaning room 11
When all the dirty cleaning liquid in the inside is discharged, the sludge pump stops.

When all of the dirty cleaning liquid in the cleaning chamber 11 is discharged, the switching valve of the replenishing liquid pipe of the cleaning liquid supply tank 81 is switched, and an auxiliary pump (not shown) is operated. A plurality of cleaning nozzles 62 mounted on a pair of cleaning fixed nozzle chambers 60 squirt toward the object W to be cleaned. At this time, since the rotating unit 12 is still rotating, the dirty cleaning liquid adhering to the surface of the object to be cleaned W will be cleanly removed.

Since the sludge pump is stopped during the rinsing cycle, the rinsing liquid should be collected at the bottom of the cleaning chamber 11 so as not to reach the rotating unit 12.

When the rinsing cleaning cycle is completed, the switching valve of the replenishing liquid pipe of the cleaning liquid supply tank 81 is switched to the cleaning liquid supply tank 81 side, the auxiliary pump (not shown) is stopped, and the pair of cleaning fixed nozzle chambers 60 for the rinsing cleaning liquid is connected. The ejection from the plurality of washing nozzles 62 is stopped, and air is supplied to a pair of air blow fixed nozzle chambers 63 and 66 from an air supply source (not shown). Air is jetted toward the object to be cleaned W. At this time, since the rotating unit 12 is still rotating, the cleaning liquid after the rinsing cleaning attached to the surface of the cleaning target W is removed, and the cleaning target W is drained.

When the drainage of the object to be cleaned W is completed, as shown in FIG. 8, the detection roller 30 is engaged with the detection dog 27, whereby the detection rod 29 is pushed up, and the actuator 31 is moved to the limit switch 32. , The operation of the rotary drive motor 44 is stopped, and the rotation of the rotary unit 12 is stopped.

When the rotation unit 12 stops at the substantially original position,
As shown in FIG. 5, the positioning cylinder 37 is operated, the piston rod is extended, the positioning rod 35 is lowered, the positioning rod 35 and the positioning groove 34 'of the positioning member 34 are engaged, and the rotating unit 12 is moved back. Lock the position securely.

Then, the front stopper cylinder shown in FIG.
23, the piston rod is extended, the push rod 26 is advanced through the push rod 25, the base end of the front stopper 20 is pressed, and the front stopper 20 is covered against the elastic force of the spring 22. Rotate to the release side with the cleaning object W.

Further, a clamp cylinder 53 (see FIG. 7)
, The piston rod 53 'is extended, the nut runner 58 is lowered, and the rotary drive socket 59 is engaged with the proximal end of the clamp shaft 48. Then, the nut runner 58 is operated, the rotation drive shaft of the nut runner 58 is reversed, the rotation drive socket 59 is reversed, and the clamp base 49 is rotated.
And return the clamper 50 to its original position.
The clamp of the object to be cleaned W by 50 is released.

On the other hand, when the rotation unit 12 is positioned and locked at the original position, the door elevating cylinder 72 provided at the entrance of the cleaning chamber 11 is operated, the piston rod 72 'of the door elevating cylinder 72 is shortened, and the airtight door 71 is closed. Is raised and lowered, and the entrance of the cleaning chamber 11 is opened.

When the entrance of the washing chamber 11 is released, the rod chain 10 is operated, the chain 10 'is extended, and the pusher 8 is advanced. At this time, as described above, the article W to be washed next is placed at a predetermined position on the carry-in drive roller conveyor 3 and is in a standby state. The provided rear pusher presses the rear portion of the article W to be washed next, and conveys the article W to be washed next into the cleaning chamber 11 and the front pusher provided on the upper part of the pusher 8 (not shown). The rear part of the cleaned object W is pressed, and the cleaned object W is carried out onto the carry-out drive roller conveyor 75.

When the article W to be washed after being washed is carried out onto the carry-out drive roller conveyor 75, the carry-out drive roller conveyor 75 is operated, and the article W to be washed is transported to the next step. finish.

Lastly, in this embodiment, the high-pressure cleaning liquid and the rinsing cleaning liquid are supplied from the same cleaning liquid tank 80. However, the present invention is not limited to this. It may be supplied from. Further, when cleaning the object to be cleaned W which does not require the rinsing cleaning, all the rinsing cleaning circuits may be eliminated.

[0072]

As described above, according to the present invention, the rotating unit, the cleaning nozzle and the air blow nozzle are disposed in the cleaning chamber of the cleaning apparatus, and the entrance and exit of the cleaning chamber are closed air-tightly so that the cleaning liquid is supplied. Since the object to be cleaned is supplied and immersed in the cleaning liquid, and the object to be cleaned is washed, rinsed and drained and dried in one room, the entire apparatus can be reduced in size and the installation area can be reduced. .

Further, since the object to be cleaned is immersed in the cleaning liquid, the high-pressure cleaning liquid is spouted while rotating, and the cleaning liquid is agitated for cleaning, so that the cleaning accuracy can be improved.

Further, since the object to be cleaned is placed on the rotating unit and a gripping device for positioning and fixing the object at a predetermined position is provided, it is possible to extremely easily and stably wash objects to be cleaned of different types. Can be.

[Brief description of the drawings]

FIG. 1 is a front view of a cleaning device according to the present invention.

FIG. 2 is a side view of that of FIG.

FIG. 3 is a plan view of the one in FIG.

FIG. 4 is a front view of a cleaning room of the cleaning device according to the present invention.

FIG. 5 is a side view of that of FIG.

FIG. 6 is a plan view of the one in FIG. 4;

FIG. 7 is a sectional view taken along line AA of FIG.

FIG. 8 is a sectional view taken along the line BB of FIG. 4;

[Explanation of symbols]

 3 Roller Conveyor 4 Guide Rail 6 Guide Rail 11 Washing Room 12 Rotary Unit 17 Free Roller Conveyor 18 Guide Rail 19 Guide Rail 53 Clamp Cylinder 58 Nut Runner 62 Washing Nozzle 65 Air Blow Nozzle 68 Air Blow Nozzle 69 Security Blocking Opening / Closing Device 70 Guide Rail 71 Airtight door 72 Door lift cylinder 72a Piston rod 81 Cleaning liquid supply tank

Continuation of the front page (56) References JP-A-6-2833491 (JP, A) JP-A-3-187824 (JP, A) JP-A-63-173386 (JP, U) (58) Fields investigated (Int) .Cl. ⁷ , DB name) B08B 3/00-3/14

Claims (1)

(57) [Claims] In a cleaning apparatus, an object to be cleaned is immersed in a cleaning liquid stored in a cleaning chamber, and a high-pressure cleaning liquid is ejected while rotating the object to be cleaned to perform cleaning. A rotatable unit provided with a transport device coaxial with a transport line of the transporting device for transporting the article to the cleaning chamber is rotatably disposed, and the cleaning chamber is located at a position below the level of the cleaning liquid stored at the time of cleaning. A washing nozzle for ejecting a high-pressure washing liquid or a rinse washing liquid to the object to be washed placed on the rotating unit, and a compressed air jet to the object to be washed after washing at a position above the washing chamber. An air blow nozzle to be disposed, a gripping device for fixing the object to be cleaned placed on the rotary unit at a predetermined position, and a cleaning liquid stored in the cleaning chamber near the cleaning chamber. The liquid level Remote, it arranged a cleaning liquid supply tank for supplying a cleaning liquid to the cleaning chamber at least a high position, the cleaning solution
A cleaning pump is provided between the supply tank and the cleaning nozzle.
In addition, the cleaning liquid supply tank and the cleaning liquid supply tank are separately provided.
An auxiliary pump is provided between the cleaning liquid tank and the cleaning liquid tank.
Switching between the cleaning pump and the auxiliary pump, the cleaning pump
Rinsing washing of high-pressure washing liquid by the auxiliary pump
A cleaning apparatus for supplying a liquid to the cleaning nozzle, and further comprising an airtight closing means for airtightly closing the inlet / outlet at an entrance / exit of the object to be cleaned in the cleaning chamber.