JP3788899B2 - Liquid cleaning equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an in-liquid cleaning apparatus for cleaning an object to be cleaned in liquid, and more particularly to a means for conveying the object to be cleaned.
[0002]
[Prior art]
As a cleaning device for cleaning an object to be cleaned such as a machined part in a liquid, the object to be cleaned is transferred from the carry-in chamber to the cleaning tank along the transfer line, and the carry-in chamber and the cleaning tank are slidably movable. What is partitioned by a movable wall is generally known. In such a submerged cleaning device, the movable wall is slid to carry the object to be cleaned installed in the carry-in chamber into the cleaning tank along the transfer line. Then, the object to be cleaned is set at a predetermined position in the cleaning tank, and then the movable wall is slid to seal the inside of the cleaning tank and start the cleaning process.
[0003]
A plurality of spray nozzles are provided inside the cleaning tank, and cleaning water is sprayed from these nozzles to clean the object to be cleaned. After the cleaning process is completed, the cleaning water is drained, reused by a filtration device and stored in a water processing tank in order to reuse the cleaning water. At this time, while it is necessary to shorten the drainage time of the cleaning tank in one cycle of the cleaning process, it is necessary to reduce the processing flow rate of the filtration device, so the cleaning water in the cleaning tank is arranged below the cleaning tank. The water is discharged to the drain tank in a short time, and the cleaning water in the drain tank is sent to the filtration device by the drain pump during the next cleaning operation.
[0004]
[Problems to be solved by the invention]
In such a conventional submersible cleaning apparatus, the carry-in chamber and the cleaning tank are partitioned by a sliding movable wall, so that the cleaning target is transported into the cleaning tank and the cleaning target is unloaded from the cleaning tank. And the operation of sealing the cleaning tank are independent, and there is a problem that it takes time to transport the object to be cleaned and to perform the entire cleaning process.
[0005]
In addition, a sealing member is generally provided between the cleaning tank and the movable wall for sealing the cleaning tank, but the movable wall is slid so that the sealing surface (cleaning tank wall surface) It is necessary to translate the seal member. For this reason, damage is likely to occur in the seal member. In particular, in the submerged cleaning device, it is necessary to increase the sealing performance of the cleaning tank. However, if the seal member is easily damaged, the cleaning liquid may leak from the cleaning tank, which is a fatal defect.
[0006]
Furthermore, there is a problem in that the cleaning material transport mechanism and the mechanism for sliding the movable wall are required, and the apparatus becomes excessive. In particular, since a large amount of cleaning liquid is sprayed and cleaned by a plurality of nozzles inside the cleaning tank, facilities such as a cleaning tank and a water treatment tank are increased in size. In addition, the conventional submersible cleaning device has a drainage tank and a drainage pump. However, since the cleaning water is used only for a short time until it is discharged from the cleaning tank and then sent to the filtration device, excess facilities are used. You might also say that.
[0007]
The present invention has been made in view of such problems, and a main object of the present invention is to provide a submerged cleaning apparatus capable of shortening the entire processing time. Another object of the present invention is to provide an in-liquid cleaning apparatus that can prevent deterioration of a seal member and prevent leakage of cleaning liquid from a cleaning tank. Another object of the present invention is to provide a submerged cleaning apparatus capable of simplifying the apparatus. Another object of the present invention is to provide an in-liquid cleaning apparatus that can reduce the processing flow rate of the cleaning liquid.
[0008]
[Means for Solving the Problems]
In order to achieve the above-described object, the invention according to claim 1 includes an injection nozzle for injecting a cleaning liquid in the cleaning tank, a transfer chamber partitioned from the cleaning tank by a partition having an opening in a predetermined area, Conveying means for conveying the object to be cleaned between the conveying chamber and the cleaning tank, discharging means for discharging the cleaning liquid in the cleaning tank, filtering means for filtering the discharged cleaning liquid, and the filtered cleaning liquid A transfer tank that holds a cleaning object, and rotates the holding part in a vertical direction from an initial position to move the cleaning object to the cleaning tank. The holding unit is related to a submerged cleaning apparatus, which closes the partition opening in a state where an object to be cleaned is carried into a cleaning tank.
[0009]
The initial position in the invention according to claim 1 is a position where the object to be cleaned is installed in the holding section in the transfer chamber, and it does not matter whether the object is horizontal depending on the installation state of the object to be cleaned. In the present invention, the conveyance means conveys the cleaning object to the cleaning tank by rotating the holding unit that holds the cleaning object in the vertical direction from the initial position, and the cleaning object is carried into the cleaning tank. Since the holding portion closes the partition opening, the operation of transporting the object to be cleaned to the cleaning tank and the sealing operation of the partition opening are integrally performed. For this reason, compared with the conventional submerged cleaning apparatus in which the transport operation and the sealing operation are independent, the overall processing time for transporting, sealing, cleaning, and carrying out the object to be cleaned is shortened.
[0010]
Further, since the partition opening is sealed by rotating the holding portion by the conveying means, a mechanism for sealing the partition opening is not necessary, and the apparatus can be simplified. Also for this reason, the manufacture of equipment Cost Reduction is achieved.
[0011]
Further, since the holding portion rotates to close the partition opening, even if a sealing member is provided, the sealing member is moved from the direction perpendicular to the opening, thus preventing damage to the sealing member. It becomes possible to prevent leakage of the cleaning liquid from the cleaning tank.
[0012]
The conveying means in the present invention may be any means as long as it conveys the object to be cleaned to the cleaning tank by rotating the holding portion in the vertical direction from the initial position, until the same angle as the inclined state of the partition wall opening. What is necessary is just to comprise so that a holding | maintenance part may be conveyed. Further, if a lock mechanism for maintaining the state in which the holding portion closes the partition opening by the conveying means is further provided, the sealing performance in the cleaning tank can be further ensured.
[0013]
The partition wall only needs to have an opening for inserting the object to be cleaned. For example, the partition wall may be opened above the insertion part for the object to be cleaned. In this case, a closing member for closing the upper opening may be further provided.
[0014]
The invention according to claim 2 is the submerged cleaning device according to claim 1, wherein the holding portion closes the partition opening, and a seal member that seals a gap between the partition and the holding portion; And a buffer member for buffering the pressing force from the holding portion against the seal member.
[0015]
In the invention according to claim 2, since the pressing force from the holding portion against the seal member is buffered by the buffer member, it is possible to further prevent the seal member from being damaged and prevent the cleaning liquid from leaking. .
[0016]
The shock-absorbing member in the present invention reduces the pressing force from the holding portion against the seal member. Buffer As long as it is provided, it may be provided separately from the seal member, or may be provided integrally with the seal member. Examples of such a buffer member include a configuration in which a hollow portion is provided in the seal member, air is injected into the hollow portion, and the seal member itself buffers the pressing force from the holding portion by the air internal pressure.
[0017]
According to a third aspect of the present invention, in the submerged cleaning device according to the first or second aspect, the first positioning means for moving the spray nozzle to a desired position inside the cleaning tank, and the object to be cleaned inside the cleaning tank. And a second positioning means for rotating to a desired position, wherein the filtering means is disposed below the cleaning tank and above the processing tank.
[0018]
In the invention according to claim 3, the first positioning means moves and positions the spray nozzle to a desired position in the cleaning tank, and the second positioning means rotates the object to be cleaned and positions it at the desired position. Therefore, the distance and angle between the cleaning object and the nozzle can be optimally set according to a wide variety of cleaning objects. For this reason, even if it does not use many injection nozzles, it becomes possible to wash | clean a washing | cleaning target effectively with a small amount of washing | cleaning liquids using a single or few 2-3 nozzles.
[0019]
Further, since a small amount of cleaning liquid is required, the height of the object to be cleaned in the cleaning tank can be set low, and the operator can easily attach and detach the object to be cleaned manually. Furthermore, since only a small amount of cleaning liquid is required, the size of the cleaning tank and processing tank can be made compact, and the apparatus can be made compact.
[0020]
Further, since the cleaning flow rate is reduced, the water level in the processing tank of the cleaning liquid discharged from the cleaning tank can be lowered. Here, in the present invention, since the filtering means is disposed below the cleaning tank and above the processing tank, the cleaning liquid discharged from the cleaning tank due to a drop with the cleaning tank is introduced into the filtering means and filtered. Then, it becomes possible to store the cleaning liquid after filtration in the processing tank. This eliminates the need for a drainage tank that temporarily stores the cleaning liquid discharged from the cleaning tank, and a drainage pump that sends the cleaning liquid from the drainage tank to the filtration means. Such a drainage tank and drainage pump are necessary. Further simplification of the apparatus can be achieved as compared with the conventional submerged cleaning apparatus.
[0021]
The first positioning means in the present invention may be any means that can move the spray nozzle to a desired position in the cleaning tank. Specifically, the first positioning means moves the nozzle three-dimensionally and rotates the spray nozzle (cleaning liquid supply). A drive mechanism such as a 4-axis robot (rotating around the axis of the tube) may be provided. When the spray nozzle can be rotated by such a drive mechanism, it may be configured to rotate during the cleaning process in addition to rotating during the nozzle positioning operation.
[0022]
The 2nd positioning means in this invention should just rotate a washing | cleaning target object inside a washing tank, and rotates a washing | cleaning target object for every holding | maintenance part or a part of holding | maintenance part, or hold | maintains by a holding | maintenance part. It is optional to configure so that only the cleaned object is rotated. Further, the second positioning means rotates the cleaning object inside the cleaning tank, and as an example, the driving motor is in a state where the cleaning object is conveyed into the cleaning tank, that is, in a state where the holding part closes the partition wall opening. What is necessary is just to provide the gear mechanism in which the output shaft and holding | maintenance part mesh | engage.
[0023]
DETAILED DESCRIPTION OF THE INVENTION
A preferred embodiment of the present invention will be described below together with illustrated examples. FIG. 1 is a side perspective view showing the overall configuration of the underwater cleaning apparatus according to the present embodiment. 1A shows a state in which the object to be cleaned is installed in the transfer chamber, and FIG. 1B shows a state in which the object to be cleaned is transferred to the cleaning tank. As shown in FIGS. 1 (a) and 1 (b), the underwater cleaning apparatus of this embodiment includes a transfer chamber 3 for installing an object to be cleaned W (hereinafter referred to as “work”), and cleaning of the work W. The cleaning chamber 1 includes a cleaning tank 2 that performs processing, a filtering device 55 that filters cleaning water after the cleaning processing, and a water treatment tank 57 that stores the filtered cleaning water. In the underwater cleaning apparatus of this embodiment, the cleaning chamber 1 and the transfer chamber 3 are arranged in parallel.
[0024]
2A is a plan perspective view showing the inside of the cleaning chamber 1 and the transfer chamber 3 in a state where the workpiece W is installed in the transfer chamber 3, and FIG. 2B shows the transfer of the workpiece to the cleaning tank. FIG. 3 is a plan perspective view showing the inside of the cleaning chamber 1 and the transfer chamber 3 in a state.
[0025]
As shown in FIGS. 1A and 1B, the transfer chamber 3 is partitioned by the cleaning chamber 1, a fixed wall 5 that extends in the vertical direction, and a movable wall 9. The fixed wall 5 forms a part of the side wall of the cleaning tank 2 and has an opening 7 at substantially the center. The workpiece W is carried in and out between the transfer chamber 3 and the cleaning tank 2 through the opening 7, and the fixed wall 5 constitutes the partition wall of the present invention. The movable wall 9 can be raised and lowered by the operation of the movable wall moving cylinder 10 above the side wall (fixed wall 5) of the cleaning tank 2. The movable wall 9 is in an upper position when the workpiece is transferred, but is lowered when the workpiece W is cleaned, and the cleaning wall 1 and the transfer chamber 3 are completely partitioned by the fixed wall 5 and the movable wall 9 so that the cleaning process is performed. The washing water is prevented from scattering into the transfer chamber 3.
[0026]
In the transfer chamber 3, as shown in FIG. 1A, a flat turntable 37 is arranged in a horizontal state, and a jig pallet 33 is attached on the turntable 37. The jig pallet 33 includes a clamp part 35 that attaches and holds the workpiece W, and a support member 36 that rotatably supports the clamp part 35 at both side ends thereof. On the side surface of the support member 36, a driving roller 49 for rotating the clamp portion 35 holding the workpiece W and a notch 51 for restricting the rotation are provided. The notch 51 passes through the support member 36 and is fitted into the hole of the clamp part 35. In this state, the clamp part 35 cannot rotate with respect to the support member 36. By pulling out, the clamp part 35 can rotate with respect to the support member 36. In a state where the jig pallet 33 is in the transfer chamber 3, the notch 51 is fitted into the hole of the clamp part and cannot be rotated.
[0027]
A lid 39 having a larger area than the opening 7 is mounted on the lower surface of the turntable 37 to close the fixed wall opening 7, and a seal member 40 is mounted on the periphery of the lid 39. The turning table 37 is connected to the output shaft of the turning motor 43 by turning arms 41 at both ends thereof.
[0028]
Here, the jig pallet 33 (the support member 36 and the clamp part 35), the turning table 37, and the lid part 39 constitute a holding part of the present invention, and the jig pallet 33, the turning table 37, the lid part 39, and the turning part. The motor 43 and the turning arm 41 constitute the conveying means of the present invention.
[0029]
By driving the turning motor 43, the turning arm 41 turns (turns) an angle of 90 ° from the return end 42b to the turning end 42a. For this reason, the jig pallet 33 connected to the output shaft of the turning motor 43 through the turning arm 41 also moves in the direction of the arrow A between the horizontal position (initial position) and the vertical position together with the turning table 37 and the lid 39. It can be rotated at an angle of 90 ° in the B direction. That is, by rotating the jig pallet 33 in the A direction from the horizontal position (initial position), the workpiece W passes through the fixed wall opening 7 and is carried into the cleaning tank. At the position of the turning end 42 a, the turning table 37 and the lid portion 39 are in a vertical state. However, since the lid portion 39 has a larger area than the fixed wall opening portion 7, the lid portion 39 fixes the fixed wall opening portion 7. Is to be blocked.
[0030]
On the other hand, when the jig pallet 33 is rotated in the direction B from the state in which the revolving arm 41 is at the revolving end 42a (the state in which the work W is carried into the cleaning tank), the work W is opened from the inside of the cleaning tank to the fixed wall. When the swivel arm 41 rotates to the return end 42b after passing through the section 7 and carried to the transfer chamber 3, the workpiece W, the jig pallet 33, the swivel table 37 and the lid 39 return to the initial positions. .
[0031]
A swivel end stopper 31 is provided on the cleaning tank side at the periphery of the opening of the fixed wall 5 to stop the swiveling of the swivel table 37 when the work W is carried into the cleaning tank 2 by the swivel end 42a of the swivel arm 41. ing. The workpiece W rotates from the transfer chamber 3 and passes through the partition opening 7 and is carried into the cleaning tank. When the lid 39 closes the partition opening 7, the work W is stopped by the table turning end stopper 31. The rotation is restrained. For this reason, the pressing force from the turning table 37 that is pressed by the partition wall is alleviated, and damage to the seal member 40 is prevented.
[0032]
Further, a table return end stopper 47 is provided at the bottom of the transfer chamber 3 to stop the turning of the turning table 37 accompanying the unloading of the workpiece W into the transfer chamber 3 at the return end 42b. The workpiece W is rotated from the cleaning tank 2 and carried out into the transfer chamber. When the turning table 37 returns to the initial position, the rotation is stopped by the table return end stopper 47. ing.
[0033]
In the cleaning apparatus of the present embodiment, an inflatate seal is used as the seal member 40. FIG. 3 is an enlarged cross-sectional view of the sealing member 40 in a state where the lid 39 closes the fixed wall opening 7. As shown in FIG. 3, the infrastructure seal has a hollow portion, and air is injected into the hollow portion. For this reason, the pressing force from the lid part 39 is buffered by the internal pressure of the injected air to prevent damage to the infrat seal. The cleaning device of the present embodiment employs an infra-teal seal. However, the present invention is not limited to this, and any other sealing member 40 may be used as long as the lid portion 39 and the fixed wall 5 are sealed. It may be attached to 39.
[0034]
In the cleaning chamber 1, the workpiece W is washed with internal cleaning water. In Cleaning tank 2 for immersing, water supply tank 59 for storing cleaning water supplied to the cleaning tank 2, horn nozzle 11 for injecting cleaning water to the work W, and air blow for blowing air to the work W A four-axis robot 17 is provided that moves the nozzle 13 and the horn nozzle 11 and the air blow nozzle 13 to desired positions for positioning.
[0035]
The horn nozzle 11 injects wash water supplied from the water treatment tank 57 by a water supply pump as a water jet flow, and constitutes an injection nozzle of the present invention. The air blow nozzle 13 blows air supplied from an air supply source (not shown) to the workpiece W. Both the horn nozzle 11 and the air blow nozzle 13 are attached to the lower end of the lance pipe 15. A wash water supply pipe (not shown) serving as a wash water passage to the horn nozzle 11 and the air blow nozzle 13 are provided inside the lance pipe. An air supply pipe (not shown) is provided as an air passage.
[0036]
The horn nozzle 11 and the air blow nozzle 13 can be moved three-dimensionally (in the X-axis, Y-axis, and Z-axis directions) by the four-axis robot 17 constituting the first positioning means of the present invention, and the lance pipe 15. It can be rotated (rotated) around the axis. For this reason, by driving the four-axis robot 17, it is possible to position the nozzles and the workpieces W so that the distance between the nozzles and the workpieces W becomes an optimum distance according to a wide variety of workpieces W.
[0037]
The bottom inner wall of the cleaning tank 2 is provided with a notch releasing mechanism for the jig pallet 33 conveyed into the cleaning tank. FIG. 4 shows the configuration of the notch release mechanism, and is an enlarged view taken along line XX in FIG. The notch release mechanism includes a notch release plate 29 that fits into the notch 51 of the jig pallet 33, a link mechanism 27 that fits the notch release plate 29 into the notch 51, and a notch cylinder 25. The Further, on the front wall of the cleaning tank 2, a work rotation motor 21 that rotates the clamp portion 35 together with the work W, and a drive plate 19 that meshes with a drive roller 49 provided on the support member 36 of the jig pallet 33 are provided. It has been. Here, the work rotation motor 21, the drive plate 19, and the drive roller 49 constitute the second positioning means of the present invention.
[0038]
When the workpiece W is carried into the cleaning tank 2 and the revolving arm 41 reaches the revolving end 42a, the driving roller 49 and the driving plate 19 are fitted, and the notch 51 and the notch releasing plate 29 are fitted. In this state, the notch cylinder 25 is driven, the notch 51 is pulled in the axial direction, and the notch 51 is pulled out from the hole of the clamp part 35, so that the clamp part 35 can be rotated together with the workpiece W inside the cleaning tank. . When the workpiece rotating motor 21 is driven in this state, the driving force is transmitted to the rotating shaft of the clamp portion 35 via the driving plate 19 and the driving roller 49, and the clamp portion 35 is rotated around the rotating shaft together with the workpiece W. It is designed to rotate.
[0039]
A filtration device 55 is provided below the cleaning tank 2, and a water treatment tank 57 is further provided below the filtration device 55. The filtering device 55 filters the washing water and discharges it to the water treatment tank 57, and constitutes the filtering means of the present invention. The water treatment tank 57 stores the filtered washing water and constitutes the treatment tank of the present invention. The washing water stored in the water treatment tank 57 is sucked by the water supply pump and supplied to the horn nozzle 11 at the time of the washing treatment of the next cycle.
[0040]
Next, a method for cleaning the workpiece W using the underwater cleaning apparatus of the present embodiment configured as described above will be described. In the cleaning device in the initial state, the turning table 37 is in the horizontal position (initial position) in the transfer chamber, and the horn nozzle 11 and the air blow nozzle 13 are in the upper position of the cleaning tank 2. In addition, the movable wall 9 is in the raised position, so that the cleaning chamber 1 and the transfer chamber 3 are in communication with each other at the top.
[0041]
First, in the transfer chamber, the workpiece W as an object to be cleaned is placed on the clamp portion 35 of the jig pallet 33, and the workpiece W is clamped automatically or manually. At this time, the notch 51 is fitted into the hole on the side surface of the clamp portion from the support member 36, so that the clamp portion 35 is not rotatable with respect to the support member 36.
[0042]
Next, the turning motor 43 is driven to turn the jig pallet 33, the turning table 37, and the lid 39 in the A direction. As a result, the workpiece W also rotates, passes through the fixed wall opening 7 and is carried into the cleaning tank. When the turning arm reaches the turning end 42a, turning is stopped by the turning end stopper 31. At this time, the lid portion 39 is in a vertical state, the fixed wall opening 7 is closed, and the gap between the fixed wall 5 and the lid portion 39 is sealed by the inflatate seal of the lid portion 39. When the workpiece W is carried into the cleaning tank 2, the movable wall 9 is lowered, and the cleaning chamber 1 and the transfer chamber 3 are completely partitioned by the fixed wall 5 and the movable wall 9.
[0043]
Next, the horn nozzle 11 and the air blow nozzle 13 and the workpiece W are positioned. Positioning of the horn nozzle 11 and the air blow nozzle 13 is a position where the four-axis robot 17 is driven to move both nozzles and rotate (spin) around the axis of the lance pipe so that the distance between the workpiece W and each nozzle is optimal. Then, the drive of the 4-axis robot 17 is stopped.
[0044]
The workpiece W is positioned as follows. First, the notch cylinder 25 is operated, the notch releasing plate 29 fitted to the notch 51 of the jig pallet 33 is pulled in the axial direction, and the notch 51 is released from the clamp portion 35. As a result, the workpiece W can be rotated together with the clamp portion 35. Then, the workpiece rotating motor 21 is driven to rotate the workpiece W, and the driving of the motor is stopped at a desired angular position.
[0045]
As described above, in the underwater cleaning apparatus of this embodiment, the horn nozzle 11 and the air blow nozzle 13 are positioned by the four-axis robot 17, and the workpiece W is positioned by the workpiece rotating motor 21, the driving plate 19, and the driving roller 49. Therefore, the distance and angle between the workpiece W and each nozzle can be set optimally according to various sizes and various types of workpieces W, and the workpiece W can be washed with a small amount of washing water by the single horn nozzle 11. Can be effectively cleaned.
[0046]
In parallel with the lowering operation of the movable wall 9 and the positioning operation of the nozzle and the workpiece W, the cleaning water is supplied from the water supply tank 59 into the cleaning tank. When the cleaning tank 2 is filled with cleaning water, the four-axis robot 17 is driven to rotate the horn nozzle 11 and the air blow nozzle 13 to spray cleaning water from the horn nozzle 11 onto the workpiece W.
[0047]
When such underwater cleaning is performed for a predetermined time, the drain valve 53 is opened. Here, as described above, since a small amount of cleaning water is used in the cleaning tank, the level of the cleaning liquid discharged from the cleaning tank 2 in the processing tank is low. And in the cleaning apparatus of this embodiment, since the filtration apparatus 55 is arrange | positioned under the washing tank 2, and is arrange | positioned above the water treatment tank 57, the water level of the wash water in a water treatment is the waste_water | drain of the washing tank 2. The cleaning liquid discharged from the cleaning tank 2 due to a drop with the cleaning tank 2 is discharged to the filtration device 55 at a stroke without being higher than the valve 53. For this reason, devices such as a drainage tank that temporarily stores the cleaning liquid discharged from the cleaning tank 2 and a drainage pump that sends the cleaning liquid from the drainage tank to the filtration device 55 are not required. The discharged washing water is filtered by the filtering device 55 to remove impurities, and then drained into the water treatment tank 57.
[0048]
When all of the cleaning water in the cleaning tank 2 is drained, the cleaning water is sprayed from the horn nozzle 11 to perform air cleaning while rotating the horn nozzle 11 and the air blow nozzle 13 again by the 4-axis robot 17. After the air cleaning is performed for a certain period of time, the spray of the cleaning water from the horn nozzle 11 is stopped, and air is blown from the air blow nozzle 13 to the workpiece W, thereby performing air blowing for a predetermined time.
[0049]
When the air blow is completed, the notch cylinder 25 is operated to insert the notch 51 into the hole of the clamp portion so that the workpiece W cannot be rotated. Then, the turning motor 43 is driven to turn the jig pallet 33, the turning table 37, and the lid 39 in the B direction. As a result, the workpiece W passes through the fixed wall opening 7 and is carried out of the cleaning tank 2 to the transfer chamber 3. When the turning arm reaches the return end 42b, the turning is stopped by the return end stopper 47, and the workpiece W, the jig pallet 33, the turning table 37, and the lid 39 return to the initial positions. Thereby, one cycle of the cleaning process is completed.
[0050]
Thus, in the underwater cleaning apparatus of this embodiment, the workpiece W is conveyed to the cleaning tank 2 by rotating the jig pallet 33 in the vertical direction from the initial position by the turning motor 43 and the turning arm 41, and the workpiece W Since the lid 39 closes the fixed wall opening 7 in a state where W is carried into the cleaning tank 2, the transfer operation of the workpiece W to the cleaning tank 2 and the sealing operation of the cleaning tank 2 are performed integrally. The overall processing time for transporting the workpiece W, sealing the cleaning tank 2, workpiece cleaning processing, workpiece unloading, etc. is shortened.
[0051]
Further, since the fixed wall opening 7 is sealed by rotating the jig pallet 33 by the turning motor 43 and the turning arm 41 conveying means, a separate mechanism for sealing is not required, and the cleaning device can be simplified. Figured.
[0052]
In the underwater cleaning apparatus of this embodiment, the work is transported to the inside of the cleaning tank by a turning motor. However, the work is swung by a toggle clamp method using an air cylinder as a drive mechanism, and the work is moved into the cleaning tank. You may comprise so that it may convey.
[0053]
【The invention's effect】
As described above, according to the inventions according to claims 1 and 2, since the transport operation of the cleaning object to the cleaning tank and the sealing operation of the partition wall opening are performed integrally, the transport and sealing of the cleaning object are performed. This has the effect of shortening the overall processing time such as cleaning and unloading. In addition, a mechanism for sealing the partition opening is not necessary, and the apparatus can be simplified, and thus the manufacturing cost of the apparatus can be reduced. Furthermore, even when the seal member is provided, it is possible to prevent the seal member from being damaged and prevent the cleaning liquid from leaking from the cleaning tank.
[0054]
According to the invention of claim 3, the distance and angle between the cleaning object and the nozzle can be optimally set according to a wide variety of cleaning objects, and the cleaning object can be effectively removed with a small amount of cleaning liquid. It has the effect that it can be washed. In addition, since only a small amount of cleaning liquid is required, the carry-in height of the object to be cleaned in the cleaning tank can be set low, and the operator can easily remove and attach the object to be cleaned manually. Further, since only a small amount of cleaning liquid is required, the size of the cleaning tank and the processing tank can be designed to be compact, and the apparatus can be made compact. Furthermore, since the cleaning flow rate is reduced, the water level in the processing tank of the cleaning liquid discharged from the cleaning tank can be lowered, and the cleaning liquid discharged from the cleaning tank due to a drop with the cleaning tank can be introduced into the filtering means, For this reason, there is no need for a device such as a drain tank or a drain pump, and the device can be further simplified.
[Brief description of the drawings]
FIG. 1 is a side perspective view showing an overall configuration of an underwater cleaning apparatus according to an embodiment. FIG. 1A is a configuration diagram in a state in which a work is installed in a transfer chamber, and FIG. 1B is a configuration diagram in a state in which the work is carried into a cleaning tank.
FIG. 2 is a perspective plan view showing a configuration of a cleaning tank and a transfer chamber in the underwater cleaning apparatus according to the present embodiment. FIG. 2A is a configuration diagram in a state in which the workpiece is installed in the transfer chamber, and FIG. 2B is a configuration diagram in a state in which the workpiece is carried into the cleaning tank.
FIG. 3 is an enlarged cross-sectional view of a seal member in a state where a lid used in the present embodiment closes a fixed wall opening.
FIG. 4 is an enlarged view taken along line XX showing the configuration of a notch release mechanism used in the present embodiment.
[Explanation of symbols]
1: Cleaning room
2: Cleaning tank
3: Transfer room
5: Fixed wall
7: Opening
9: Movable wall
10: Moving wall moving cylinder
11: Horn nozzle
13: Air blow nozzle
15: Lance pipe
17: 4-axis robot
19: Drive plate
20: Resolver
21: Workpiece rotation motor
23: Work rotation drive bearing
25: Cylinder for notch
27: Link mechanism
29: Notch release plate
31: Stopper for table turning end
33: Jig pallet
35: Clamp part
36: Support member
37: Turning table
39: Lid
40: Seal member (Infrat seal)
41: swivel arm
42a: Arm turning end
42b: Arm return end
43: Motor for turning
44: Table rotation axis
45: Table slewing bearing
47: Stopper for table return end
49: Driving roller
51: Notch
53: Drain valve (discharge means)
55: Filtration device (filter)
57: Water treatment tank
59: Water supply tank
W: Workpiece (object to be cleaned)

Claims (2)

A cleaning tank that immerses the object to be cleaned in the internal cleaning water;
An injection nozzle for injecting the cleaning liquid in the cleaning tank;
A transfer chamber partitioned from a cleaning tank by a partition wall having an opening in a predetermined region;
Transport means for transporting the object to be cleaned between a transport chamber and a cleaning tank;
Discharging means for discharging the cleaning liquid in the cleaning tank;
Filtering means for filtering the discharged cleaning liquid;
A processing tank for storing the filtered cleaning liquid,
The transport means includes a holding unit that holds a cleaning target, and transports the cleaning target to a cleaning tank by rotating the holding unit in a vertical direction from an initial position.
The holding portion is state, and are not in a state in which the cleaning object is carried into the cleaning tank close the partition wall opening,
A seal member that seals a gap between the partition and the holding portion in a state where the holding portion closes the partition opening;
A buffer member for buffering the pressing force from the holding portion on the seal member;
A submerged cleaning apparatus , further comprising: a lock mechanism for maintaining a state in which the holding unit closes the partition wall opening by the conveying unit . First positioning means for moving the spray nozzle to a desired position inside the cleaning tank;
A second positioning means for rotating the object to be cleaned to a desired position inside the cleaning tank;
The in-liquid cleaning apparatus according to claim 1 , wherein the filtering unit is disposed below the cleaning tank and above the processing tank.

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