JP2665452B2 - Workpiece support equipment for surface treatment 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 device for supporting an object to be used in a surface treatment apparatus for performing a surface treatment such as plating or anodizing on the surface of the object.

[0002]

2. Description of the Related Art For example, when an anodizing treatment is performed on a scroll type rotor of an air conditioner, usually, a conveying means is used to sequentially convey the rotor as an object to be processed to respective processing tanks such as a washing tank, a degreasing tank and an alumite processing tank. And a rotor is hooked on the hooking jig.

[0003] By the way, a concave portion is formed in the rotor by a scroll portion, and in order to fill the concave portion with a processing liquid and to prevent the gas generated between the electrodes from staying, the rotor is usually turned upside down. Hooked on the hanging jig. In the rotor to be processed, a cylindrical portion in which a bearing is fitted is protruded from the upper portion of the rotor as an upper opening, and this cylindrical portion is hooked.

[0004] That is, the conventional object-to-be-processed supporting apparatus has an upwardly inclined hook which is detachably fitted to the cylinder from the lower side in a state where the rotor is turned upside down, that is, the scroll portion is set to the upper side. Part. In addition, masking is performed in advance on a portion where no anodic oxidation treatment is to be performed (a non-treatment portion) such as a portion where a bearing is fitted.

[0005]

By the way, the applicant of the present application has proposed a scroll part (surface treatment part) of a rotor (workpiece).
Of the surface treatment apparatus capable of performing an anodizing treatment by suspending the surface treatment apparatus in a state in which the surface is on the lower side (Japanese Patent Application No. 5-11 filed May 18, 1993).
No. 6171, "Surface coating apparatus" and Japanese Patent Application No. 5-130645, filed on June 1, 1993, "Surface coating apparatus".

However, there has been no hanging jig suitable for use in such a surface treatment apparatus. In other words, the hanging jig that can be used in the apparatus needs to be able to be firmly fixed so that the rotor serving as the processing object does not drop, and to have a current-carrying part between the carrier and the processing object. In addition, if the part where the bearing is fitted is protected by a processing liquid by attaching a hanging jig without masking, the number of work steps is reduced, which is extremely advantageous.

In view of the above, the present invention provides a method of suspending an object to be processed, which has an upper opening-shaped cylindrical portion projecting upward and a surface treatment portion at the lower portion, on a carrier connected to an anode or a cathode of the surface treatment apparatus. It is another object of the present invention to provide a workpiece support device for lowering a workpiece, and also to protect a fitting portion of a bearing from a processing liquid by attaching the bearing to a workpiece.

[0008]

Means for Solving the Problems In order to achieve the above object, the present invention has taken the following technical means. That is,
According to the first aspect of the present invention, an object to be processed, which has an upper opening-shaped tubular portion protruding at an upper portion and a surface treatment portion at a lower portion, is suspended from a carrier connected to an anode or a cathode of the surface treatment device. What is claimed is: 1. A workpiece support device for lowering, comprising: a cover detachably attached to the workpiece so as to cover a non-processed part of the workpiece; A gripping device, wherein the cover is formed with a power supply hole for opening an upper opening of the cylindrical portion, and the gripping device has a connecting portion connected to the carrier, When the outer peripheral portion of the cover is detachable and is reduced in diameter, a fitting portion that is radially expandable and contractable so as to be crimp-fitted to the outer peripheral portion of the cover, and is reciprocally movable up and down with respect to the fitting portion. Penetrates the power supply hole of the cover to the inner bottom and / or inner periphery of the cylindrical portion A power supply body that is in contact with the power supply body, a biasing unit that biases the power supply body in a downward movement direction, and a closing unit that closes the power supply hole, wherein the connection unit and the power supply body transfer the workpiece to the transport body. It is characterized in that it forms a current-carrying part for electrical connection.

According to a second aspect of the present invention, an object to be processed, in which an upper opening-shaped cylindrical portion is protruded at an upper portion and a lower portion is a surface treatment portion, is connected to an anode or a cathode of a surface treatment device. An object support device for hanging the object to be processed, the apparatus being detachably attached to the object to be processed so as to cover a non-processed part of the object to be processed, and opening an upper opening of the cylindrical portion. A cover formed with a hole for use, a closing body fitted in the power supply hole and abutting on the cylindrical portion, and a gripping device for gripping an outer peripheral portion of the cover in a tightenable manner, the gripping device comprising: A connecting portion connected to the transporting body, the outer peripheral portion of the cover is removably fitted when the diameter is expanded, and the outer peripheral portion of the cover is radially expandable and contractable so as to be crimp-fitted to the outer peripheral portion when the diameter is reduced. A fitting portion, and the closing portion is reciprocally movable up and down with respect to the fitting portion. And a biasing means for biasing the power supply in a downward movement direction, wherein the connecting portion, the power supply and the closing member electrically connect the workpiece to the carrier. It is characterized in that it constitutes an energizing section.

According to a third aspect of the present invention, an object to be processed having an upper opening-shaped cylindrical portion projecting from an upper portion and a lower surface processing portion is connected to an anode or a cathode of a surface processing apparatus. An object support device for hanging the object to be suspended on a transfer body, wherein the connection part connected to the transfer body is detachable from the inner peripheral part of the cylindrical part when the diameter is reduced and the diameter is increased. And a fitting portion that can be radially expanded and contracted so as to be fitted into the inner peripheral portion of the cylindrical portion, and the connecting portion and the fitting portion electrically connect the workpiece and the carrier. It is characterized by constituting an energizing section.

According to a fourth aspect of the present invention, an object to be processed having an upper opening-shaped cylindrical portion projecting from an upper portion and a lower surface processing portion is connected to an anode or a cathode of a surface processing apparatus. An object support device for hanging on a transfer body, wherein a connecting portion connected to the transfer body, and an outer peripheral portion of the cylindrical portion is detachable and reduced in diameter when the diameter is expanded. A fitting portion that is radially expandable and contractable so as to form a crimping fit on the outer peripheral portion of the cylindrical portion; and a connecting portion and a fitting portion that electrically connect the workpiece and the carrier. Wherein the fitting portion is configured to close an opening of the tubular portion when the fitting portion is attached to an outer peripheral portion of the tubular portion.

According to a fifth aspect of the present invention, an object to be processed having an upper opening-shaped tubular portion projecting upward and a lower surface treatment portion is connected to an anode or a cathode of a surface treatment device. An object support device for hanging on a transfer body, wherein a connecting portion connected to the transfer body, and an outer peripheral portion of the cylindrical portion is detachable and reduced in diameter when the diameter is expanded. A fitting portion that is radially expandable and contractable so as to form a crimping fit on the outer peripheral portion of the cylindrical portion; and a connecting portion and a fitting portion that electrically connect the workpiece and the carrier. And a closing member for closing the opening of the cylindrical portion is attached to the fitting portion.

[0013]

In the object supporting apparatus of the surface treatment apparatus according to the present invention, the fitting portion is formed on the outer peripheral portion of the cover attached to the object to be processed or the inner peripheral portion of the cylindrical portion projected above the object to be processed. Alternatively, the object to be processed can be firmly gripped because the outer peripheral portion is shaped like a crimp. Further, the object to be processed is connected to an anode or a cathode of the surface treatment apparatus via a current-carrying part and a carrier.

Further, since the inner peripheral portion of the cylindrical portion is protected from the processing liquid by mounting the workpiece support device on the workpiece, it is particularly effective when a bearing is fitted inside the inner peripheral portion. Therefore, there is no need to separately mask the inner peripheral portion, and the number of work steps can be reduced. For those with a cover that covers the non-processed part of the object (the part that does not want to be subjected to surface treatment), it is necessary to perform separate masking even when there is a non-processed part other than the inner peripheral part of the cylindrical part. Disappears.

[0015]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, an example of a surface treatment apparatus in which an object supporting apparatus according to the present invention is used will be described with reference to FIGS. This surface treatment apparatus 2 is for alumite-treating (anodizing) the peripheral surface of the scroll portion 32 and the inner bottom surface of the concave portion, which are the processing portions of the scroll-type rotor 3 of the air conditioner to be treated. , A washing tank 6, a neutralization tank 7, an alumite treatment tank 8, etc.
Each of the treatment tanks 5, 6, 7, and 8 is a device
It is installed on support legs 10 and the like.

A side groove 11 is formed in a side portion of each of the processing tanks 5, 6, 7, and 8 and extends in the transport direction X of the workpiece 3, and a supporting horizontal rod 12 connected to an anode is provided in the side groove 11. The carrier 13 is placed and supported on the supporting horizontal rod 12. This carrier
13 is sequentially transferred to each of the processing tanks 5, 6, 7, 8 by an appropriate transfer means 14. A plurality of workpiece support devices 1 are connected to the carrier 13 at predetermined intervals, so that a plurality of workpieces 3 can be anodized simultaneously.

At the bottom of the alumite treatment tank 8, there is provided an injection pipe 15 through which the treatment liquid is ejected from below onto the scroll part 4 of the rotor 3, and the scroll part 4 is stirred by stirring the treatment liquid. Gas generated between the electrodes is prevented from staying in the concave portion. FIG. 14 shows an example of the scroll type rotor 3 as an object to be processed. This rotor 3
A disk-shaped flange portion 31 and a scroll portion 32 integrally formed below the flange portion 31 are provided, and an upper opening-shaped tubular portion 33 is protruded at the center of the upper portion. This cylindrical part 33
The inner peripheral part 34 is a place where the bearing is fitted when assembled to an air conditioner, and requires extremely strict dimensional accuracy, and the coefficient of friction must be as low as possible. Do not give.

In the rotor 3, a sliding groove 38 is formed on the upper surface of the flange portion 31 to be engaged with a guide member of the air conditioner. The sliding groove 38 and the upper surface of the flange portion 31 are formed on the upper surface of the air conditioner device. It operates while sliding on each component,
The upper surfaces of the sliding groove 38 and the flange must also be non-processed parts. Hereinafter, embodiments of the present invention, particularly, each embodiment adapted to the above-described rotor 3, will be described with reference to the drawings.

FIGS. 1 to 3 show an embodiment of the present invention (hereinafter referred to as a first embodiment) according to the first aspect. An apparatus 100 for supporting an object to be processed according to the first embodiment includes a rotor 3. And a synthetic resin cover 110 which is removably mounted on the rotor 3 so as to cover the non-processed portions. That is, this cover
110 is tightly fitted to the outer periphery and the upper surface of the flange portion 31 and the outer periphery portion 36 and the upper surface of the cylindrical portion 33, has a predetermined thickness,
At the center, there is a cylindrical portion 111 into which the cylindrical portion 33 is fitted from below, and a power supply hole 130 concentric with the cylindrical portion 33 and having the same diameter as the cylindrical portion 33 is formed at the upper center of the cylindrical portion 111. The upper opening 37 of the cylindrical portion 33 is open upward. Note that this cover 110
Are prepared in accordance with the shape and size of the rotor 3, but it is desirable that the outer circumference of the cylindrical portion 111 of the various covers 110 be the same in diameter. The rotor 3 having the size can be gripped.

The gripping device 120 for gripping the outer peripheral portion of the cylindrical portion 111 of the cover 110 so as to be able to tighten and loosen is composed of an upper frame 121, a long plate-shaped side frame 122, and a lower frame 123 in a substantially U-shape in front view. Is provided. Upper frame 121 and lower frame 12
Reference numeral 3 denotes two long plate-shaped members which are arranged side by side at predetermined intervals on the front and rear sides.
A plate-shaped suspension rod 141 is welded to the upper frame 121 welded to the upper frame 121 so as to extend upward. The upper end of the suspension rod 141 is bent in a U-shape, and a wing bolt 143 is screwed into the folded part 142 to form a connection part 140 with the carrier 13. When the holding device 120 is suspended from the carrier 13, the welding portion between the suspension rod 141 and the upper frame 121 is positioned so that the carrier 13 is located above the center of gravity of the holding device 120. The center of gravity of 120 is shifted left and right.

On the left and right sides of the upper frame 121 and the lower frame 123,
An elongated hole 125 extending in the left-right direction is provided. And
A pair of right and left tightening arms 126 are arranged in the gap between the front and rear long plate-like members constituting the upper frame 121 and the lower frame 123, and the tightening arms 126 are vertically moved through pins 127 inserted into the long holes 125. The frames 121 and 123 are provided so as to freely reciprocate in the left-right direction. At the upper end of the tightening arm 126, there is provided a position regulating rod 128 of which the amount of projection to the left and right center is adjustable.
The tip of 128 is adapted to abut the hanging rod 141. Thus, the distance between the upper ends of the left and right arms 126 can be adjusted. The position regulating rod 128 can be formed by, for example, screwing a long bolt screw or the like to the arm 126.

A position regulating screw 129 is screwed to the side frame 122 at two upper and lower positions, and the distal end of the screw 129 is in contact with the left tightening arm 126, respectively. Therefore, the screw
By adjusting 129, the posture of the left tightening arm 126 can be regulated. A fitting portion 150 made of a hard synthetic resin is fixed to a lower end portion of the fastening arm 126 with a screw 151. After the screw 151 is fixed, it is desirable that the screw 151 be covered with a resin material or the like so as not to come into contact with a treatment liquid such as an acid. The inner peripheral surface 152 of the fitting portion 150 is
Has an arc surface substantially equal to the outer peripheral portion of the cylindrical portion 111.

The distal end of the lower frame 123 is connected to the right tightening arm 12.
The control lever 190 protrudes to the right from the left side of FIG. The base 192 of the operation lever 190 has a circular shape when viewed from the front.
The pin 191 protrudes from the eccentric position of No. 2 so that the right tightening arm 126 can be swung right and left by rotating the operation lever 190. Therefore, lever 19
0, the right and left tightening arms 126 approach each other, the fitting portion 150 is reduced in diameter, and the fitting portion 150 is tightly fitted to the outer peripheral portion of the cylindrical portion 111 of the cover 110, so that the rotor 3 can be firmly gripped. . When the lever 190 is pivoted downward, the right and left tightening arms 126 are expanded, the fitting portion 150 is expanded in diameter, and the outer peripheral portion of the cylindrical portion 111 of the cover 110 can be freely fitted to and removed from the fitting portion 150. Become.

A support 161 having a substantially I-shaped cross section is provided between the long plates constituting the lower frame 123 so as to be slidable in the left-right direction, and the support 161 is slidable up and down. A rod-shaped power supply 160 is inserted, and the power supply 160 is
120 is sufficiently long so that when it is attached to the cover 110 attached to the rotor 3, it penetrates the power supply hole 130 of the cover 110 and contacts the inner bottom 35 of the cylinder 33 above the rotor 3. I have. A nut is screwed to the upper end of the power supply 160, and a flange 163 is provided at the lower end. The power supply 160 is vertically reciprocable with respect to the fitting portion 150.

A coil spring is provided between the support 161 and the left and right tightening arms 126 so as to urge the right and left tightening arms 126 in the expanding direction and position the support 161 at the left and right centers of the left and right tightening arms 126. 162 are interposed. Feeder 16
0, a pressing plate 181, a sealing plate 182, and a protective plate 183 are slidably provided in the vertical direction in order from the top, and are provided between the pressing plate 181 and the support 161 and between the protective plate 183 and the power supply. Coil springs 164 and 165 are provided between the lower end of the body 160 and the flange portion 163 in a compressed state, respectively.
The pressing plate 181 is made of a hard material such as a metal, and prevents the deformation of the seal plate 182, and presses the seal plate 182 against the upper end surface of the cover 110. The sealing plate 182 is provided with the power supply hole 130 of the cover 110.
It is made of a soft synthetic resin having a disk shape larger than that of the synthetic resin. The protection plate 183 is sealed by a spring 165.
182 to prevent damage.
The diameter may be slightly larger than 165, and is made of a hard material such as metal.

Therefore, the cover 11 attached to the rotor 3
When the gripping device 120 is lowered from above, the lower end of the power feeder 160 first comes into contact with the inner bottom 35 of the tubular portion 33 above the rotor 3. When the gripping device 120 is further lowered against the urging force of the springs 164 and 165, the seal plate 182 comes into contact with the upper surface of the cylindrical portion 111 of the cover 110. And then the spring 16
After pushing down the gripping device 120 until the lower end of the fitting portion 150 comes into contact with the cover 110 against the urging force of 4,165, the lever 190
The cover 110 is gripped and fixed by the gripping device 120 by rotating. At this time, the seal plate 182 is
4, the power supply hole in the cover 110
130 will be closed, which will
130 closing means 180 are configured.

The suspension rod 141 and the power supply 160 are made of a conductor such as stainless steel, and the upper end of the power supply 160 and the middle of the suspension rod 141 are connected by a wiring cord 166. The lower rod 141 constitutes an energizing section for electrically connecting the rotor 3 to the carrier 13. Therefore, the rotor 3, which is an object to be processed, includes the power supply 160, the wiring cord 166, and the suspension rod 14.
1 and the connecting portion 140, and is electrically connected to the carrier 13 and the carrier 13 is connected to the anode of the surface treatment device 2 as described above, so that the rotor 3 is connected to the anode. Become.

FIGS. 4 to 6 show an embodiment of the present invention (hereinafter referred to as a second embodiment) according to the second aspect, and an object supporting apparatus 200 according to the second embodiment includes a rotor 3 And a synthetic resin cover 210 which is detachably attached to the rotor 3 so as to cover the non-processed portion. That is, this cover
210 is tightly fitted to the outer periphery and the upper surface of the flange portion 31 and the outer periphery 36 and the upper surface of the cylindrical portion 33, has a predetermined thickness,
In the center, there is a cylindrical part 211 into which the cylindrical part 33 is fitted from below, protruding upward, and a power supply hole 230 concentric with the cylindrical part 33 and having the same diameter as the cylindrical part 33 is formed in the upper center of the cylindrical part 211. The upper opening 37 of the cylindrical portion 33 is open upward.

A gripping device 220 for gripping the outer peripheral portion of the cylindrical portion 211 of the cover 210 so as to be able to tighten and loosen comprises an upper frame 221, an elongated plate-shaped side frame 222, and a lower frame 223 in a substantially F-shape as viewed from the front. Is provided. Upper frame 221 and lower frame 22
Reference numeral 3 denotes two long plate-shaped members which are arranged side by side at predetermined intervals in the front and rear, and each of the long plate-shaped members has a base end welded to a side frame 222. A hanging rod 241 is welded in an upwardly extending shape. The upper end of the suspension bar 241 is bent in a U-shape, and a wing bolt 243 is screwed into the folded portion 242, thereby forming a connection portion 240 with the carrier 13.

At the tip of the upper frame 221 and the lower frame 223, a long hole 225 extending in the left-right direction is provided. And the upper frame
In the gap between the front and rear long plate-like bodies constituting the lower frame 221 and the lower frame 223,
A tightening arm 226 is arranged.
The upper and lower frames 221 and 223 are provided so as to be able to reciprocate in the left-right direction via pins 227 inserted through 225. At the upper end of the tightening arm 226, there is provided a position regulating rod 228 having an adjustable amount of protrusion to the left and right center sides, and the distal end of the regulating rod 228 is in contact with a suspension rod 241. This allows the tightening arm 22
6 The position of the upper end in the horizontal direction can be adjusted.

At the lower ends of the side frame 222 and the fastening arm 226, a fitting portion 250 made of hard synthetic resin is fixed. The inner surface 252 of the fitting portion 250 is formed by the cylindrical portion of the cover 210.
It has an arc surface substantially equal to the outer periphery of 211. Lower frame 223
The distal end portion projects rightward from the fastening arm 226, and an operating lever 290 is pivotally supported at this distal end portion via a pin 291. The base 292 of the operating lever 290 has a circular shape when viewed from the front, and a pin 291 projects from the eccentric position of the base 292. Therefore, by rotating the operating lever 290, the tightening arm 226 is moved in the left-right direction. Can swing. Therefore, when the lever 290 is rotated upward, the right and left tightening arms 226 approach, and the fitting portion 250 is reduced in diameter and the cover
The outer peripheral part of the cylindrical part 211 of 210 is slimly fitted, so that the rotor 3 can be firmly gripped. Also, when the lever 290 is rotated downward, the left and right tightening arms 226 expand,
The diameter of the fitting portion 250 is expanded so that the outer peripheral portion of the cylindrical portion 211 of the cover 210 can be fitted to and removed from the fitting portion 250.

A support 261 having a substantially I-shaped cross section is provided between the long plates constituting the lower frame 223 so as to be slidable in the left-right direction. The support 261 is slidable up and down. A rod-shaped power supply 260 is inserted, and the power supply 260 is
When the cover 220 is attached to the cover 210 attached to the rotor 3, the closing body 280 fitted in the power supply hole 230 of the cover 210 is attached.
It is dimensioned to be sufficiently long so as to abut against. The closing body 280 is cylindrical and has a flange at the lower end. The cylindrical part is fitted into the power supply hole 230, and the flange abuts on the upper surface of the cylindrical part 33 of the rotor 3. A nut is screwed to the upper end of the power supply body 260, and a flange portion 263 is provided at the lower end. The power supply body 260 can reciprocate up and down with respect to the fitting portion 250.

Between the support 261 and the fastening arm 226 and between the support 261 and the side frame 222, the fastening arm 226 is urged in the expanding direction and the support 261 is fastened to the side frame 222. Coil spring 26
2 is interposed. A compression spring 264 is interposed between the support 261 and the flange 263 at the lower end of the power supply 260.

Therefore, the cover 21 attached to the rotor 3
When the gripping device 220 is lowered from above, the lower end of the power feeder 260 first contacts the inner bottom 35 of the cylindrical portion 33 above the rotor 3. Then, the gripping device 220 is further pressed against the urging force of the spring 264 until the lower end of the fitting portion 250 contacts the cover 210.
After pressing down, the gripper 22
By pressing 0, the cover 210 is gripped and fixed.

The hanging rod 241, the closing body 280, and the power supply 26
Numeral 0 is made of a conductor such as stainless steel, and the upper end of the feeder 260 and the middle part of the suspension rod 241 are connected by a wiring cord 266.The feeder 260 and the suspension rod 241 connect the rotor 3 to the carrier 13. A current-carrying part for electrical connection is configured. Therefore, the rotor 3, which is an object to be processed, includes the closing body 280 and the power feeding body 26.
0, it is electrically connected to the carrier 13 via the wiring cord 266, the suspension bar 241 and the connecting portion 240.

The workpiece support device 200 according to the second embodiment has a relatively small size of the rotor 3, so that the workpiece support device 100 according to the first embodiment has a cover.
This is adopted when the power supply hole 130 of the 110 cannot be completely closed. 7 and 8 show an embodiment (hereinafter referred to as a third embodiment) of the present invention described in claim 3. The workpiece support device 300 according to the third embodiment is provided on the transport body 13 in advance. A hanging rod 341 having a connecting portion 340 at an upper end connected to the chucked connected body 342, and a metal cylindrical sliding body 310 externally slidably mounted on the hanging rod 341 vertically. , The sliding body 31
0, a metal split nut member 351 externally slidably attached to the suspension bar 341 vertically below, a synthetic resin cylindrical protector 352 externally fitted to the split nut member 351, A coil spring 364 for urging the nut member 351 upward with respect to the suspension rod 341 is provided.

A fitting recess 311 is formed in the lower part of the sliding body 310, and the upper end of the split nut member 351 is fitted in the fitting recess 311. Also, the split nut member 351 is
Fitting part that is formed into a circular quadrant at the lower end and can be expanded and contracted in the radial direction
It has 350. Then, at the lower end of the suspension rod 341,
A tapered portion 343 having a gradually increasing diameter at the lower end side is formed, and the fitting portion 350 is expanded in diameter by sliding the split nut member 351 downward with respect to the suspension rod 341. I have.

The sliding body 310 and the protective body 352 have the same diameter, and the lower end side of the protective body 352 is cut out to form a small-diameter portion 353. The fitting portion between the small-diameter portion 353 and the split nut member 351 is provided.
The diameter of the small-diameter portion 350 is substantially the same as that of the small-diameter portion 353. I have. Further, the suspending rod 341 has an operation lever 39 above the slide body 310.
0 is pivoted via pin 391. This sliding body 310
The contact surface with the sliding member 310 has a curved surface, and the pin 391 is eccentric from the center axis position of the curved surface. When the lever 390 is rotated, the split nut member is moved through the sliding member 310.
351 can slide relatively downward against the biasing force of the spring 364.

Therefore, after the fitting portion 350 and the small-diameter portion 353 of the protective body 352 are fitted into the inner peripheral portion 34 of the cylindrical portion 33 of the rotor 3 with the fitting portion 350 reduced in diameter, the operating lever 390 is turned. By moving the fitting portion 350 so as to expand the diameter of the fitting portion 350 so that the fitting portion 350 is fitted to the inner peripheral portion 34 of the cylindrical portion 33, the rotor 3 can be firmly gripped by the workpiece support device 300. Further, since the fitting portion 350 is fitted inside the inner peripheral portion 34 of the cylindrical portion 33, the inner peripheral portion 34 is protected from the processing liquid.

At this time, the rotor 3 is attached to the fitting portion 350.
The carrier 13 is energized via the suspension bar 341, the connecting portion 340, and the connected object 342. When the upper surface of the flange portion 31 of the rotor 3 also needs to be protected from the processing liquid as in the case of the rotor 3 described above, masking is separately required in the third embodiment.

FIGS. 9 to 11 show an embodiment of the present invention according to claim 4 (hereinafter referred to as a fourth embodiment).
The workpiece support device 400 according to the embodiment has
A hanging rod 441 which is a connecting portion 440 which is engaged and connected to 13;
A swinging member 426 rotatably connected to a vertically intermediate portion of the suspension bar 441. The suspension bar 441 and the swinging member 426 are formed of L-shaped fittings, and have a semi-cylindrical fitting portion at the lower end.
450 are fixed by bolts or the like.

A bolt hole is formed in each of the suspension bar 441 and the swinging member 426, and an operation lever is formed in the bolt hole.
A bolt 491 fixed to the base end 492 of the 490 is inserted and fastened by a nut 492. Control lever 490
Base end 492 abuts the suspension rod 441 and the operating lever
The contact surfaces of the 490 and the suspension rod 441 are slightly tapered, and by rotating the lever 490, the fitting portion is formed.
450 can be attached and detached.

In the center of the lower portion of the fitting portion 450, a fitting recess 451 is formed in which the cylindrical portion 33 of the rotor 3 is fitted. When the fitting portion 450 is expanded in diameter (see FIGS. 9 and 10). The tubular portion 33 of the rotor 3 can be fitted into and removed from the fitting concave portion 451 of the fitting portion 450 at the position indicated by the two-dot chain line, and when the diameter is reduced (shown by the solid line in FIGS. 9 and 10), the fitting concave portion is formed. The cylindrical portion 33 of the rotor 3 is configured to be fitted into the 451 with a slim fit.

According to the support device 400, the cylindrical portion 33 of the rotor 3 is fitted by the fitting concave portion 451 of the fitting portion 450.
Since the inner peripheral portion 34 and the inner bottom portion 35 of the cylindrical portion 33 are closed from the outside, they can be protected from the processing liquid. Also, the flange of rotor 3
The upper surface of 31 can also be protected to some extent by fitting portion 450.
Further, the rotor 3 includes a fitting portion 450, a suspension rod 441, and a connecting portion 44.
The power is supplied to the carrier 13 through the line 0.

FIGS. 12 and 13 show an embodiment of the present invention (hereinafter referred to as a fifth embodiment) according to the fifth aspect. A workpiece supporting apparatus 500 according to the fifth embodiment has an upper part. Carrier
13 is provided with a hanging bar 541 provided with a connecting portion 540, and a projecting piece 542 is integrally provided in the middle of the vertical direction of the hanging bar 541. 526
Are rotatably connected. At the lower ends of the suspension rods 541 and the fastening arms 526, a semi-cylindrical top plate 55
The two fitting portions 550 are fixed to each other, and the two fitting portions 550 form a pair to grip the outer peripheral portion 36 of the cylindrical portion 33 of the rotor 3.

A pair of arm pieces 527 are provided integrally in the upper and lower portions of the tightening arm 526, and a suspension bar 541 is disposed between the pair of arm pieces 527.
An operation lever 590 having the same configuration as that of the first embodiment is provided at the distal end of the control lever 590. A guide rod 543 fixed to the suspension rod 541 passes through a guide hole 544 provided in the tightening arm 526 in the same vertical position as the arm piece 543, and a retaining nut is provided at the tip of the rod 543. 545 is screwed. A compression spring 546 is externally fitted to the guide rod 543, and the spring 546 urges the fitting portion 550 in the expanding direction.

The fitting portion 550 has a concave circumferential groove 55 on the inner circumferential side.
1 is provided, and a disc-shaped closing member 580 made of synthetic resin is fitted in the concave circumferential groove 551 in a fitting manner. When the support device 500 is mounted on the rotor 3, the closing body 580 covers the cylindrical portion 33 of the rotor 3 from above, closes the inner peripheral portion 34 of the cylindrical portion 33 from outside, and treats the inner peripheral portion 34. Protect from liquid.

The rotor 3 includes a fitting portion 550, a suspension rod 54,
1. Electrically connected to the carrier 13 via the fastening arm 526 and the connecting portion 540. As described above, each embodiment of the present invention has been described. However, the invention described in each claim is not limited to each of the above embodiments, and the design can be appropriately changed.

[0049]

As described above, according to the present invention,
Provided is a device for supporting an object to be processed, wherein an object to be processed having an upper opening-shaped cylindrical portion protruding at an upper portion and having a lower surface treated portion is suspended on a carrier connected to an anode or a cathode of the surface treatment device. If it is attached to an object to be processed, the inner peripheral portion of the cylindrical portion can be protected from the processing liquid.

[Brief description of the drawings]

FIG. 1 is a front view of an object-to-be-processed supporting apparatus according to a first embodiment, in which one of long plate-like bodies constituting a lower frame is omitted.

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

FIG. 3 is a front view showing an operation state of the workpiece support device according to the first embodiment.

FIG. 4 is a front view of an object supporting apparatus according to a second embodiment, in which one of long plate-like bodies constituting a lower frame is omitted.

FIG. 5 is a sectional view taken along line BB of FIG. 4;

FIG. 6 is a front view showing an operation state of a workpiece support device according to a second embodiment.

FIG. 7 shows a workpiece support device according to a third embodiment,
(A) is a front view, (b) is a bottom view.

FIG. 8 is a cross-sectional view of a workpiece support device according to a third embodiment.

FIG. 9 is a front view of a workpiece support device according to a fourth embodiment.

FIG. 10 is a bottom view of a workpiece support device according to a fourth embodiment.

FIG. 11 is a side view of a workpiece support device according to a fourth embodiment.

FIG. 12 is a front view of a workpiece support device according to a fifth embodiment.

FIG. 13 is a sectional view taken along line CC of FIG. 12;

FIG. 14 shows an example of a rotor, (a) is a plan view,
(B) is a side view, and (c) is a bottom view.

FIG. 15 is a side view showing an example of the surface treatment apparatus.

FIG. 16 is a sectional view of the same device.

[Explanation of symbols]

 2 Surface treatment equipment 3 Workpiece (scroll type rotor) 13 Carrier 33 Tube 34 Inner circumference of tube 35 Inner bottom of tube 36 Outer portion of tube 37 Opening of tube 100,200,300,400,500 110,210 Cover 120,220 Gripping device 130,230 Hole for power supply device 140,240,340,440,540 Connection 150,250,350,450,550 Fitting 160,260 Power supply 164,264 Biasing means 180 Closing means 280,580 Closing body

Claims (5)

(57) [Claims] An object (3) having a cylindrical portion (33) projecting upward from an upper portion and having a lower surface treated portion is connected to an anode or a cathode of a surface treatment device (2). An object support device (100) for hanging the object to be processed (3), wherein the object to be processed is covered so as to cover a non-processed portion of the object (3).
A cover (110) detachably attached to (3), and the cover;
And a cover (110) formed with a power supply hole (130) for opening an upper opening of the cylindrical portion (33). The gripping device (120) is connected to a connecting portion (14) connected to the carrier (13).
0), the outer peripheral portion of the cover (110) is removably fitted when the diameter is expanded, and the outer peripheral portion of the cover (110) is radially expandable and contractable so as to be crimp-fitted when the diameter is reduced. Department (15
0) and reciprocally move up and down with respect to the fitting portion (150) and penetrate through the power supply hole (130) of the cover (110).
(33) a power feeder (160) abutting on the inner bottom portion (35) and / or the inner peripheral portion (34), and a biasing means (164) for biasing the power feeder (160) in a downward movement direction; Closing means (18) for closing the power supply hole (130)
0), the connection portion (140) and the power supply body (160)
The device for supporting a processed object of the surface processing apparatus is characterized in that it comprises an energizing section for electrically connecting the processed object (3) to the carrier (13). 2. An object (3) having a cylindrical portion (33) projecting upward from an upper portion and having a lower surface treated portion is connected to an anode or a cathode of a surface treatment device (2). An object support device (200) for suspending the object to be processed (3), wherein the object to be processed is covered so as to cover a non-processed portion of the object (3).
A cover (210) which is detachably attached to (3) and has a power supply hole (230) formed to open an upper opening of the cylindrical portion (33).
A closing body (280) fitted into the power supply hole (230) and abutting on the cylindrical portion (33); and a gripping device (220) for rotatably gripping the outer peripheral portion of the cover (210). The gripping device (220) includes a connecting portion (240) connected to the carrier (13).
When the diameter is expanded, the outer peripheral portion of the cover (210) is removably fitted and when the diameter is reduced, the outer peripheral portion of the cover (210) is radially expanded and contractable so as to be crimp-fitted to the outer peripheral portion of the cover (210). 250)
A power feeder (260) that can freely reciprocate up and down with respect to the fitting portion (250) and abuts the closing body (280);
(0) in the downward movement direction, and a biasing means (264) for biasing the connecting portion (240), the power feeding body (260), and the closing body (28).
Reference numeral 0) designates an energization section for electrically connecting the object to be processed (3) to the carrier (13). 3. An object (3) having an upper opening-shaped cylindrical portion (33) protruding at an upper portion and having a lower surface treated portion is connected to an anode or a cathode of a surface treatment device (2). An object support device (300) for suspending the object to be transported from the transfer member (13), the connecting portion (340) connected to the transfer member (13), and the cylindrical portion (33) when the diameter is reduced. A fitting portion (350) that is removably fitted to the inner peripheral portion (34) of the cylindrical portion (34) and expands and contracts in the radial direction so as to be crimp-fitted to the inner peripheral portion (34) of the cylindrical portion (33) when the diameter is expanded. The connecting part (340) and the fitting part (350) constitute an energizing part for electrically connecting the workpiece (3) and the carrier (13). Object support device of the surface treatment device to be used. 4. An object (3) having a cylindrical portion (33) projecting upward from the upper portion and having a lower surface treated portion is connected to an anode or a cathode of a surface treatment device (2). An object support device (400) for suspending the object (13) to be suspended from the transfer body (13), the connection part (440) connected to the transfer body (13), and the cylindrical part (33 And a fitting part (450) that is radially expandable and contractable so that the outer peripheral part (36) of the cylindrical part (36) is removably fitted and has a reduced diameter when the diameter of the outer peripheral part (36) is reduced. The connecting portion (440) and the fitting portion (450) constitute an energizing portion that electrically connects the workpiece (3) and the carrier (13), and the fitting portion (450) 450) is configured to close the opening (37) of the cylindrical portion (33) when attached to the outer peripheral portion (36) of the cylindrical portion (33). Object support device. 5. An object to be processed (3) having an upper opening-shaped cylindrical portion (33) protruding at an upper part and a surface treatment part at a lower part is connected to an anode or a cathode of a surface treatment device (2). A workpiece support device (500) for hanging the object to be processed (500), the connecting part (540) connected to the carrier (13), and the cylindrical part (33 And a fitting portion (550) that is radially expandable and contractable so as to be crimp-fitted to the outer peripheral portion (36) of the cylindrical portion (33) when the outer peripheral portion (36) of the cylindrical portion (36) is removably fitted and reduced in diameter. The connecting portion (540) and the fitting portion (550) constitute an energizing portion for electrically connecting the workpiece (3) and the carrier (13), and the cylindrical portion (33 A supporting member for a surface treatment apparatus, wherein a closing body (580) for closing the opening (37) is attached to the fitting part (550).