JPH11106038A - Work processor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To miniaturize a device and reduce costs by carrying a work along a specified carrying route, supplying the same to the irradiation area by a UV lamp in the carrying route by a plural number of times and alternately performing coating and hardening of a UV hardening resin by a specified number of times. SOLUTION: After a work W is carried to a static eliminator 12 by a transfer arm 5 and static electricity is removed, the work W is passed through the transfer arm 5, a work supporting table 13 and a coater 14 and coated with a UC hardening resin. The work W is supplied to a work supporting means 10 located in the position PL1 of the index table 9 of a work carrying means 3. The index table 9 is rotated clockwise by 180 deg., the UV hardening resin is hardened while the work W is passing under a UV lamp 2 and reaches a position PL2. The work W is supplied to the work supporting means 10 transferred to the sequential position PL1 by the transfer arm 5. The work W fed to the position PL2 is supplied through a transfer arm 7, an inversion mechanism 15, the transfer arm 7, a static eliminator 16, a work supporting means 17 and a coater 18 to the work supporting means 11 of a position PL3.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a work processing apparatus mounted on an apparatus for manufacturing a magneto-optical disk and performing a plurality of processes of coating a work with a UV curable resin and irradiating the work with ultraviolet rays to cure the work. It is about.

[0002]

2. Description of the Related Art In a conventional apparatus of this type, UV irradiation is performed by arranging UV lamps of the same number as the number of times of UV irradiation along a work transfer path, transferring the work along the transfer path, Is often supplied to the UV irradiation area of each UV lamp sequentially.

[0003]

As described above, since the conventional work processing apparatus uses the same number of UV lamps as the number of times of irradiation with the ultraviolet light, there is a problem that the apparatus becomes large and the cost increases. there were.

An object of the present invention is to provide a work processing apparatus which eliminates the above-mentioned problems.

[0005]

According to a first aspect of the present invention, a work is coated with a UV curable resin and irradiated with ultraviolet rays to cure the work a plurality of times. A work processing apparatus, wherein one U
The V lamp and the workpiece are transported along a predetermined transport path,
A work transfer means for supplying the work to the UV irradiation area of the UV lamp provided in the transfer path a plurality of times, and coating the work with a UV curable resin and curing the UV curable resin by the UV lamp alternately a predetermined number of times UV coating the work with UV curable resin as done
And a cured resin coating means.

According to a second aspect of the present invention, in the first aspect of the present invention, the work carrying means is provided with a work supporting means at a peripheral portion of a disk-shaped index table, and the work supporting means is rotated by rotating the index table. It is characterized in that the work supported by the means is transported.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a partially omitted plan view of a magneto-optical disk manufacturing apparatus including a work processing apparatus according to an embodiment of the present invention. Note that the two-dot chain line circle in the figure represents the work. The work W of the present embodiment is:
It is a disc made of synthetic resin and has a recording surface formed on one side by vacuum evaporation.

As shown in FIG. 1, the apparatus for manufacturing a magneto-optical disk according to the present embodiment transports a UV lamp 2 and a work W along a predetermined transport path, and a UV lamp provided in the transport path. 2, a work transport means 3 for supplying the work W to the ultraviolet irradiation area a plurality of times;
A first UV curable resin coating device 4 for coating a cured resin, and a work W supplied from a previous process
Transfer arm 5 for supplying the work W coated with the UV curable resin to the work transfer means 3
And a second UV-curable resin coating device 6 for coating the other surface of the work W with a UV-curable resin, and the work W whose one surface has been hardened by the UV lamp 2 is taken out of the work transfer means 3. The transfer arm 7 supplies the work W coated with the UV-curable resin to the work transfer means 3 while supplying the work W coated with the UV-curable resin to the second UV-curable resin coating device 6.
A transfer arm 8 which discharges the work W cured by the ramp 2 from the work transfer means 3 and supplies it to the next process
And

The work transfer means 3 has a disk-shaped index table 9 and a pair of first work support means 1 arranged at the peripheral edge thereof at an angular interval of 180 °.
0, 10 and a pair of second work supporting means 11, 11 adjacent to each other and arranged at an angular interval of 180 °.
Are provided.

The index table 9 is horizontally supported by a rotating shaft fixed to the center, and the rotating shaft is connected to an AC motor via a cam mechanism. When the AC motor is driven, the index table 9 rotates clockwise. The first work supporting means 1
0 and 10 alternately take a position PL1 for receiving the work W from the transfer arm 5 and a position PL2 for discharging the work W to the second UV-curable resin coating device 6, and the second work support means 11, 11 Work W from transfer arm 7
And a position PL4 at which the transfer arm 8 discharges the workpiece W to the next step.

First and second work supporting means 10, 11
Is a circular flat surface formed so as to place the work W horizontally, and has a projection at the center thereof for fitting into the center hole of the work W.

First UV curable resin coating device 4
Is provided with a static eliminator 12, a work support table 13 for horizontally supporting the work W, and a coater 14 for coating the upper surface of the work W supported by the work W with a UV curing resin.

The transfer arm 5 has a base end pivotally supported by a vertical support shaft, is rotatable in a horizontal direction and movable in a vertical direction, has a nozzle for suctioning a work at a tip end, and has a work W The work W is supported by adsorbing the upper surface of the circular non-recording area around the center hole of (1). Note that the transfer arms 7 and 8 are configured similarly to the transfer arm 5.

Second UV curing resin coating device 6
A reversing mechanism 15 for reversing the workpiece W;
And a work support table 17 for horizontally supporting the work W
And a coater 18 for coating the upper surface of the work W supported thereon with a UV curable resin.

Next, the operation of the work processing apparatus 1 configured as described above will be described. The work W supplied from the previous process is conveyed to the static eliminator 12 by the transfer arm 5, where the work W is conveyed to the work support table 13 by the transfer arm 5, and UV is applied to the upper surface by the coater 14.
The cured resin is coated. And the work W is
The transfer arm 5 supplies the first work supporting means 10 at the position PL1 of the index table 9 of the work transfer means 3.

Next, the index table 9 rotates 180 ° clockwise, and the work W reaches the position PL2. When the work W passes through the UV irradiation area of the UV lamp 2, the upper surface of the work W is irradiated with ultraviolet rays, and the UV curable resin coated on the upper surface of the work W is cured to form a protective film. Then, the next work W is supplied by the transfer arm 5 to the first work supporting means 10 at the position PL1. Thereafter, the work W is supplied by the transfer arm 5 to the first work support means 10 which is sequentially conveyed to the position PL1.

The workpiece W supplied to the position PL2 is transported by the transfer arm 7 to the reversing mechanism 15, where it is inverted, and then transported by the transfer arm 7 to the static eliminator 16.
Static electricity is removed. Then, the work W is further conveyed to the work support table 17 by the transfer arm 7 and coated on the upper surface with a UV curable resin by the coater 18, and then transferred to the second work support means 11 at the position PL3 by the transfer arm 7. Supplied. Thereafter, the position PL2
Is transported in the same manner.

Next, the index table 9 rotates clockwise by 180.degree., So that the work W at the position PL3 reaches the position PL4 and the work W at the position PL1.
Reaches the position PL2. When each work W passes through the UV irradiation area of the UV lamp 2, the upper surface of each work W is irradiated with ultraviolet light, and the UV curable resin coated on the upper surface of each work W is cured to form a protective film. You.

Then, the work W at the position PL4 is discharged by the transfer arm 8 to the next step. The discharged work W is inspected for the thickness of the protective film and the like, defective products are excluded from the process, and non-defective products are housed in a cartridge case after a hub is mounted at the center, and become a product.

It should be noted that the present invention is not limited to the above embodiment, but can be embodied in other forms.
For example, as the work transfer means, a means that supplies the work to the ultraviolet irradiation area a plurality of times by reciprocating the work like a uniaxial robot may be used. In the above embodiment, the case where the UV curable resin is coated on both surfaces of the work is described. However, the present invention can be applied to the case where the UV curable resin is coated on only one surface of the work. Further, the number of coating times of the UV curable resin may be three or more. Various changes other than the above can be made within the scope of the matters described in the claims.

[0021]

As described above, in the work processing apparatus of the present invention, a single UV lamp irradiates a work with ultraviolet rays a plurality of times, so that the apparatus can be reduced in size and cost. .

[Brief description of the drawings]

FIG. 1 is a partially omitted plan view of a magneto-optical disk manufacturing apparatus including a work processing apparatus according to an embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Work processing apparatus 2 UV lamp 3 Work conveyance means 4 First UV curable resin coating device (part of UV curable resin coating device) 6 Second UV curable resin coating device (part of UV curable resin coating device) W work

Claims (2)

[Claims] 1. A work processing apparatus for coating a work with a UV curing resin and irradiating the work with ultraviolet rays for curing the work a plurality of times, wherein one UV lamp and the work are transferred to a predetermined transport path. Work conveying means for conveying the work along a plurality of times to the UV irradiation area of the UV lamp provided in the transfer path, and coating the work with a UV curable resin and curing the UV curable resin with the UV lamp. The work is coated with a UV curable resin so that the work is alternately performed a predetermined number of times.
A work processing apparatus, comprising: a V-curing resin coating unit. 2. The work transfer means is provided with a work support means at a peripheral portion of a disk-shaped index table,
The work processing apparatus according to claim 1, wherein the work supported by the work supporting means is transported by rotation of the index table.