JPH0753620B2 - Multicolor glazing device - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to a technique for efficiently performing color change and work exchange in a device for spraying glaze on pottery such as a washbasin and a toilet bowl. .

[Conventional technology]

As shown in FIG. 7, a conventional glazing apparatus has a work 2 made of pottery such as a washbasin and a toilet bowl brought into a booth surrounded by a curtain 1 which is open on one side and surrounded on three sides.
It is placed on the potter's wheel 4 and is glazed on the surface of the work 2 with the rotation of the potter's wheel 4 by the wandering robot 5 arranged on the open side.

When the glaze is finished, the curtain 1 is stored below or above and the carrier 2 carries out the work 2 after glazed, and the next unglazeed work is carried onto the potter's wheel 4 and the curtain 1 is stretched again to apply the glaze. Work was being done.

Then, when changing the color to be glazed, the transport device 3 and the coating robot 5 were stopped, the glaze hose and nozzle were replaced, and the removed nozzle was washed during the glaze operation.

[Problems to be Solved by the Invention]

In this way, when exchanging workpieces, the curtain was lowered and the transfer device was reciprocally moved to exchange for un-glazed workpieces, and the curtain was raised again before performing the glaze, so it took time and the exchanging work was efficient. It was not done.

Also, when changing the color (glaze), the nozzles were replaced after stopping the entire coating robot and transfer device, so changing the color was a very tedious task and took time. is there. Therefore, it takes extra time and labor to prepare a large number of color products corresponding to the color desired by the purchaser, and it has been impossible to deliver a product with a small demand in a short time.

[Means for Solving the Problems]

In view of such a point, the present invention is configured as follows so that the work can be easily replaced and the color can be changed.

A work transfer device is provided on one side, a glaze robot is arranged on the other side, a plurality of rotary booths are provided between the transfer device and the glazed robot, and a saucer for glaze recovery is provided at each booth. It is a thing.

Further, in the multi-color glaze device, the work is exchanged during the glaze operation by the glaze robot, and the glaze and the nozzles are cleaned when the booth is rotated.

Further, a color changing device is provided near the nozzle, and the cleaning valve is operated while switching from one glaze supply valve to another glaze supply valve.

[Work]

Since the present invention is configured as described above, the glazing is performed on one side by the coating robot, and at the same time, the work after glazed and the work not yet glazed are exchanged on the other side. Then, the booth is rotated to finish the glaze of one work and perform the glaze of the next work.

Color change when the booth rotates (change of glaze)
At the same time, until the glaze supply valve is closed and the other glaze supply valve is opened, air and water are alternately passed through the glaze hose and the nozzle for cleaning.

Then, when the glaze operation is completed, the drain of the saucer is opened to collect the glaze, and the glaze is reused.

Example of Invention

Next, a description will be given of an embodiment in which the work shown in the accompanying drawings is used as a toilet bowl for glazing.

FIG. 1 is a front view of the multi-colored glazing apparatus of the present invention, FIG. 2 is a plan view of the same, FIG. 3 is a side view of a transport section, FIG. 4 is a front view of a state in which glaze is collected, and FIG. FIG. 6 is a side view showing the color changing device, and FIG. 6 is a time chart of the color changing.

As shown in FIGS. 1 and 2, the multi-colored glaze device has a coating robot 16 and a transfer device 17 which are opposed to each other, and a rotating booth is arranged between them. One side is opened and the lower side is a saucer 10a for storing glaze, and the saucer 10a has a drain 10b for discharging glaze outside the booth.
Is provided, and the rear surface 10c opposite to the open side is mesh-like or open.

The rear portions of the four booths 10, 10 ... Are fixed in contact with each other and arranged in a cross shape in a plan view, and a duct 12 is provided in the center of the contact and fixed discharge duct 11 arranged above. And duct 12 are in communication. However, by changing the shape of the rear part of the booth 10, three booths can be combined and arranged in a Y shape, or five or more booths can be arranged radially. Further, as in the present embodiment, four booths are arranged in a cross shape and two sets of transfer devices are provided.
It is also possible to dispose the 17 and the painting robot 16 so as to face each other.

The duct 12 is open only on the painting robot 16 side, and the booth
The dust and the like scattered in the booth 10 can be sucked and discharged to the discharge duct 11 side via the rear surface 10c of the booth 10.

Further, a wheel 13 is provided in the center of each booth 10, and the wheel 13 is provided with a drive motor 14 provided on the side of the booth 10.
It is possible to rotate by.

The four booths 10 are placed on a machine base 15, which can be rotated by a motor and can be moved up and down by a hydraulic cylinder. However, instead of the hydraulic cylinder, the structure may be lifted from above.

A transfer device 17 is provided on the opposite side of the coating robot 16, and an unglazed work such as a toilet bowl after drying is provided in front of the transfer device 17.
A conveyor 21 for supplying 20 is arranged, and a conveyor 22 for conveying the glazed work 20 to the firing process is arranged behind the conveying device 17.

The transfer device 17 is movable in the front-back direction and in the left-right direction along the rail 23, and the work is driven by the drive motor 24.
It is also possible to rotate the carrier 18 which lifts 20. Therefore, it is possible to receive the work 20 from the supply conveyor 21 and convey the work 20 onto the lathe 13 while rotating the work, and the glazed work 20 can be conveyed from the lathe 13 to the conveyor 22 while rotating and lifting. is there.

The painting robot 16 is installed in the protective frame 30 so as not to approach the eye, the arm 25 is rotatably disposed on the machine base 27, the machine base 27 is configured to be rotatable, and the arm 25 is provided at the tip of the arm 25. The arm 26 is pivotally connected to the arm 26, and a nozzle 29 is attached to the tip of the arm 26 so as to be rotatable in the axial direction and in the vertical direction.

The nozzle 29 is connected to the color changing device A, which is provided near the nozzle 29.
In this embodiment, it is provided at the tip of the arm 26 as shown in FIG.

The color changing device A includes a glaze supply valve 32, 33 including an electromagnetic switching valve and a cleaning valve 34 including a three-way switching electromagnetic valve.
The glaze supply valves 32 and 33 are equipped with a glaze tank 31 on one side.
・ Hose 35 ・ 36 connected to the discharge port of the pump provided in 31
The other side is connected to a glaze hose 37 communicating with the nozzle 29 and a hose 38 connecting with the cleaning valve 34. However, the glaze supply valves are connected in parallel up to the number of booths (four) depending on the color of the glaze to be applied.

The hose 38 and the hoses 39 and 40 are connected to the cleaning valve 34, the hose 39 is in communication with a tap for water, and the hose 40 is in communication with an outlet of an air pump.

Further, the solenoids of the glaze supply valves 32 and 33 and the cleaning valve 34 are connected to a control circuit, and the painting robot 16, the side view 17 of conveyance, conveyors 21 and 22, motors, etc. are also connected to the control circuit.

In such a structure, the work 20 is conveyed by the conveyor 21 to the side of the conveying device 17, and the conveying device 17 conveys the work.
It is transported from the end 21 to the top of the wheel 13. And the transport device
When 17 returns to the standby position, machine base 15 is rotated 90 °. Then, the next work 20 is transported from the conveyor 21 on the wheel 13 in the next booth 10, and when the transport device 17 returns to the standby position, the machine base 15 is further rotated 90 °.

In this way, when the work 20 is located on the opposite side of the transport device 17, the coating robot 16 is operated and the work 20 is glazed as the wheel 13 rotates. As shown in FIG. 6, after the glaze is finished, the timing of changing the glaze is as follows: a indicates the operation of the coating robot 16, b indicates the rotating operation of the booth 10, c is the solenoid on the air side of the cleaning valve 34, and d is the cleaning valve 34. Is also a solenoid on the water side, e is the operation of one glaze supply valve (32), and f is the operation of the other glaze supply valve (33).

That is, when the glaze is finished, one glaze supply valve 33 is closed (f), the glaze supply is stopped, and the coating robot 16 moves to the standby position and stops (a). At the same time, the booth 10 is rotated (b), the solenoid on the air side of the cleaning valve 34 is turned on (c), from the hose 40 to the cleaning valve 34, the hose 3
8. Compressed air is sent to the glaze supply valves 32 and 33, the glaze hose 37, and the nozzle 29 for cleaning. Then, after a certain period of time, the cleaning valve 34 is switched from the air side to the water side solenoid (c) and (d), and the hose 39 cleans the cleaning valve 34.
Wash water is sent to the hose 38, the glaze supply valves 32 and 33, the glaze hose 37, and the nozzle 29 to be washed away. The nozzle 29 and the hose can be further cleaned by repeating this passage of air and washing water several times. Normally, it is repeated twice alternately.

When cleaning is completed, turn off the solenoid on the water side of the cleaning valve 34.
When it is turned off (d), the other glaze supply valve 32 is turned on, and (e) the glaze is filled up to the nozzle 29. Then, the rotation of the booth 10 is stopped, the coating robot 16 is operated again (a) and (b), and when the nozzle 29 is positioned up to the next work 20, the glaze supply valve 32 is turned on again and the glaze of another color is applied. Is done.

During glazing of the next work, the work after glazing located on the opposite side of the coating robot 16 is carried to the conveyor 22 by the carrying device 17, and then the next unglaze work is received from the conveyor 21 in the booth 10. It is carried on the potter's wheel 13.

By repeating the above operation, the nozzles are cleaned and the color is changed while the booth 10 is rotating, and the work is replaced by the transfer device on the opposite side while the work is being glazed.

In the case of one color or two colors, it is possible to arrange two booths so that they are back to back, and glazed on one side, and the work can be replaced on the other side.

When the work is completed in this way, the booth 10 is lifted as shown in FIG. 4 and the recovery bucket 1 is placed below the drain 10b.
By arranging 9 and opening the drain 10b, the glaze used for glaze can be collected and used for the next glaze.

[Effect]

With the configuration as described above, the present invention has the following effects.

A work transfer device was installed on one side, a coating robot was placed on the other side, and a rotary booth was installed between the transfer device and the coating robot, so that work can be replaced on the other side while glazeing on one side. It became possible to perform glazing work efficiently without wasting time such as raising and lowering the curtain.

In addition, a duct can be arranged at the center of a combination of a plurality of booths, a discharge duct for dust and the like can be shared, and it is not necessary to provide a duct for each booth.

Since each booth was equipped with a tray for collection, the glaze could be collected after the glaze work was completed, and the glaze could be recycled.

In addition, since it is configured to change the glaze and clean the nozzle when the booth is rotated, it is possible to efficiently change the color, and the cleaning valve can be changed while switching from one glaze supply valve to another glaze supply valve. Since it is configured to operate, the glaze color can be changed and washed easily in a small space and in a short time.

[Brief description of drawings]

FIG. 1 is a front view of the multi-colored glazing apparatus of the present invention, FIG. 2 is a plan view of the same, FIG. 3 is a side view of a transport section, FIG. FIG. 6 is a side view showing the color change device, FIG. 6 is a color change time chart,
FIG. 7 is a perspective view showing a conventional glazing apparatus. A: Color change device 10: Booth 10a: Saucepan 16: Painting robot 17: Transfer device 20: Workpiece 29: Nozzle 32/33: Glaze supply valve 34: Cleaning valve

Claims (3)

[Claims] 1. A work transfer device is provided on one side, and a glazing robot is arranged on the other side. A plurality of rotary booths are provided between the transfer device and the glazing robot, and glaze recovery is provided in each booth. A multi-colored glazing device characterized by having a saucer. 2. The multicolor glazing apparatus according to claim 1, wherein the work is exchanged during the glaze operation by the glazing robot, and the glaze and the nozzle are cleaned when the booth is rotated. 3. A color change device is provided near the nozzle,
A multicolor glaze device characterized in that it is configured to activate a cleaning valve while switching from one glaze supply valve to another glaze supply valve.