JP3027282B2 - Paint adjustment and supply equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for supplying paint to a paint adjusting / painting apparatus for paint contained in a paint can.

[0002]

2. Description of the Related Art FIG.
FIG. 7 schematically shows the supply of paint to the coating apparatus. Conventionally,
The paint contained in the paint can 5 is adjusted by a paint adjusting device (high-speed stirrer) which performs high-speed rotation mainly for shearing the paint in the paint can 5 after the paint can 5 is carried to the paint adjusting position. 4'a is applied to adjust the paint. When the paint adjustment is completed, the paint adjusting device (high-speed stirrer) 4'a is removed from the paint can 5, and the paint can 5 is carried to the painting position. The paint adjusting device (high-speed stirrer) 4'a is thereafter individually washed.

On the other hand, the paint can 5 transported to the painting position includes:
The paint feed pipe (pipe with pump 2b) 2 is immersed to feed paint to the coating device 7, or the paint feed pipe (pump 2b
A method of immersing one side of the pipe connected to the pipe 2 with the paint and feeding the paint. Regarding the return of the paint from the coating device 7, a method of arranging or immersing the end of the paint return pipe 3 from the coating device 7 on the upper portion of the paint can 5 and returning the paint from the coating device 7 by using the weight of the paint is used. Have been. Also, in order to prevent the solid content of the paint in the paint can 5 from settling, a paint adjusting device (low-speed stirrer) that does not foam the slow-rotating paint.
Attach 4 "a to stir the paint in the paint can 5. Thus, in general, a different stirrer is used at the paint adjusting position and at the coating position.

At the end of the coating, the pump 2b is stopped, and the remaining paint of the coating device 7 is collected into the paint can 5 through the paint return pipe 3. Then, the paint feed pipe (pipe with the pump 2b) 2 and the paint return pipe 3 are connected. In addition to being separated from the coating device 7, the paint adjusting device (stirrer) 4 ″ a is also separated, and the coating device 7, these pipes, and the paint adjusting device are respectively washed to prepare for the next paint coating.

[0005]

SUMMARY OF THE INVENTION Paint preparation and coating apparatus 7
The paint circulation is performed using separate devices, and it is necessary not only to install and remove each separately, but also to separately wash the coating device 7 and the removed device. It is complicated and requires a lot of labor. Therefore, an object of the present invention is to provide a paint adjusting / paint supplying apparatus which can automatically perform paint adjustment and paint circulation to the coating apparatus 7 using the same apparatus.

[0006]

DISCLOSURE OF THE INVENTION The present invention advantageously solves the problems of the prior art. The inventors of the present invention have made intensive efforts to achieve the above object, and as a result, have developed a paint adjusting and coating apparatus. It is possible to supply the paint in the same device. The gist of the invention is as follows: (1) The paint adjustment and supply device from the paint can to the coating device
And paint feed pipe (2a), pump (2b), paint return
Piping (3a) and a paint adjusting device (4a)
A valve (3 料) for stirring the paint in the paint can (5) during paint adjustment
b) through the paint feed pipe (2)
a), bypass to return to paint can via pump (2b)
A paint adjusting / supplying apparatus characterized in that an integrated paint adjusting / paint circulating unit comprising a connecting pipe (3 # a) is incorporated in a paint can. (2) Piping of the bypass connection pipe (3 ゛ a) according to (1) above
Can increase the agitation power of the paint in the paint can.
A paint adjusting / supplying device characterized in that the discharge port of the paint is directed upward. (3) For paint adjustment and supply equipment from paint cans to coating equipment
And paint feed pipe (2a), pump (2b), paint return
Piping (3a) and a paint adjusting device (4a)
During loading, the paint flows from the coating device (7), while the paint
During the preparation, the coating was performed via a valve (3 ゛ b) for stirring the coating.
The paint of the paint can is supplied through the paint feed pipe (2a) and the pump (2b).
Consisting of a paint return pipe (3a) that returns to the paint can
Built-in paint adjustment and paint circulation unit with built-in body in paint can
A paint adjustment and supply device characterized by the following. (4) The paint return pipe (3a) described in (3) above
Can increase the agitation power of the paint in the paint can
Paint adjustment characterized by the discharge port facing upward
・ It is in the supply device .

Hereinafter, the present invention will be described in detail with reference to the drawings. FIG. 1 is a schematic view of an example of a paint preparation / paint circulation unit according to the present invention. The paint adjustment and paint circulation unit
Paint feed system equipment comprising paint feed pipe (paint can side) 2a, pump 2b, paint feed pipe joint (paint can side) 2c, pump drive source joint (paint can side) 2'c,
A paint return system comprising a paint return pipe (paint can side) 3a and a paint return pipe joint (paint can side) 3c, a bypass pipe between paint feed and paint return pipe (paint can side) 3 ″ a,
A paint can paint circulation system comprising a paint feed-paint return pipe bypass joint valve (paint can side) 3 ″ b and a paint feed-paint return pipe bypass joint valve drive source joint (paint can side) 3 ″ c Equipment, paint adjusting device (paint can side) 4
a, a paint adjusting device drive unit 4b and a paint adjusting device drive source joint (paint can side) 4c. The paint feed pipe joint (paint can side) 2c and the paint return pipe joint (paint can side) 3c have a structure in which the paint does not leak from the inside when the internal pressure is below a certain value. These components are incorporated in a self-standing type paint adjusting / paint circulating unit frame 1.

FIG. 2 is a schematic view when the paint circulation / paint adjustment unit according to the present invention is incorporated in a paint can 5. The paint circulation / paint adjustment unit is self-supporting, and is mounted together with the paint can 5 on the paint circulation / paint adjustment unit mounting base 6 and transported to the paint adjustment position. FIG. 3 is a schematic diagram at the paint adjustment position. The paint adjusting equipment is a paint feed system comprising pump drive source piping and wiring (paint adjuster side) 2'g and a pump drive source joint (paint adjuster side) 2'f, between paint feed and paint return pipe. Bypass splice valve drive source piping / wiring (paint control device side) 3 "g and joint for bypass spike between paint feed and paint return piping (paint control device side)
3 "f paint can paint circulation system equipment, paint adjuster drive source piping / wiring (paint adjuster side) 4g and paint adjuster drive source joint (paint preparer side) 4f paint adjuster system equipment It is configured.

After the paint can 5 and the paint circulation / paint adjustment unit mounting table 6 equipped with the paint circulation / paint adjustment unit are transferred to the paint adjustment device, the paint can 5 is connected to the paint adjustment device side joint. Paint adjustment / paint circulation unit side joint (paint feed device drive system: paint circulation / paint adjustment unit side 2'c and paint adjustment device side 2'f,
Coupling between paint feed and paint return pipe joint for valve connection: paint circulation / paint adjustment unit side 3 "c and paint adjustment device side 3" f, paint adjustment device drive system: paint adjustment / paint circulation unit side 4c and paint The adjusting device side 4f) is connected.

At the time of paint adjustment, a joint 3 "f, 3" for a bypass relay valve drive source between the paint feed and paint return pipes.
c, the paint feed to paint return bypass connection pipe valve (paint can side) 3 ″ b is opened, and then the paint feed pipe joint (paint can side) 2c via the pump drive source joints 2′f and 2′c. And paint return pipe joint (paint can side)
The pump 2b is driven at a pressure not exceeding the withstand pressure of 3c, and the paint in the paint can 5 is pumped up from the paint feed pipe 2a and discharged from the paint return pipe 3a via the paint feed-paint return pipe bypass junction 3 ″ a. When the pump 2b is driven by air, for example, the air pressure is adjusted to obtain a required driving pressure, and the paint is discharged from the paint return pipe 3a by the driving force of the pump 2b, so that the stirring force in the paint can 5 is obtained. Is large and the paint is agitated.

Further, by setting the discharge port of the paint return pipe 3a upward, stirring in the vertical direction is promoted, and the paint stirring is further improved. Further, since the discharge pressure of the pump 2b is lower than the pressure resistance of the paint feed pipe joint (paint can side) 2c and the paint return pipe joint (paint can side) 3c, the paint does not wet from the joint. On the other hand, the paint adjusting device (stirrer) 4a is rotated at a high speed via the paint adjusting device drive source joints 4f and 4c to adjust the paint. When the paint adjusting device (agitator) 4a is driven by air, for example, the air pressure is increased to obtain the required high-speed rotation.

When the paint adjustment is completed, the paint adjustment device side joint and the paint adjustment / paint circulation unit side joint (paint feed device drive system: paint circulation / paint adjustment unit side 2 ')
c, paint adjusting device side 2'f, joint for driving bypass bypass valve between paint feed and paint return piping: paint circulation / paint adjusting unit side 3 "c and paint adjusting device side 3" f, paint adjusting device drive system: The paint adjustment / paint circulation unit side 4c and the paint adjustment device side 4f) are separated. Next, the paint can 5 and the paint circulation / paint adjustment unit mounting table 6 equipped with the paint circulation / paint adjustment unit are transported to the painting position.

FIG. 4 is a schematic view at the painting position. The coating equipment side equipment includes a paint feed pipe (coating apparatus side) 2e, a paint feed pipe joint (coating apparatus side) 2d, a pump drive source pipe / wiring (coating apparatus side) 2'e, and a pump drive source joint (painting). Equipment side) paint feed system equipment consisting of 2'd,
Paint return system equipment consisting of paint return pipe (coating device side) 3e and paint return pipe joint (coating device side) 3d, bypass pipe between paint feed and paint return pipe Valve drive source piping and wiring (paint adjustment device side) 3 "e and joint for bypass joint between paint feed and paint return pipe (paint adjustment device side)
3 "d paint can paint circulation system equipment, paint adjustment device drive source piping / wiring (coating device side) 4e, paint adjustment device drive source joint (coating device side) 4d paint adjustment device drive system equipment Have been.

After the paint can 5 and the paint circulation / paint adjustment unit mounting table 6 equipped with the paint circulation / paint adjustment unit are transported to the painting position, they are set on the paint equipment side equipment, and then the paint equipment joint and the paint circulation / paint adjustment unit. Paint adjustment unit side joint (paint feed system: paint feed pipe system paint circulation / paint adjustment unit side 2c and paint device side 2d paint feed device drive system paint circulation / paint adjustment unit side 2'c and paint device side 2'd, Paint return piping system: paint circulation / paint adjustment unit side 3c and coating device side 3d, paint can paint circulation system: paint circulation / paint adjustment unit side 3 "c and coating device side 3"
d, paint control device drive system: paint recirculation / paint control unit side 4c and coating device side 4d) are connected together, and during painting, a joint 3 ″ d for bypass connection between paint feed and paint return piping.
After closing the valve 3 "b for the bypass connection pipe between the paint feed and the paint return pipe via 3" c, the pump drive source joint 2
The pump 2b is driven through d and 2c to send paint from the paint can 5 to the coating device 7 through the paint feed pipe joints 2c and 2d, and from the paint device 7 to the paint can 5 through the paint return piping joints 3d and 3c. This is to return excess paint (overflow, etc.).

On the other hand, the joint 4 for the drive source of the paint adjusting device
The paint adjusting device (stirrer) 4a is rotated at a low speed via f and 4c to prevent sedimentation of solids in the paint while suppressing foaming of the paint. When the paint adjusting device (agitator) 4a is driven by air, for example, the air pressure is lowered to obtain the required low-speed rotation. At the end of coating, the pump 2b is stopped via the pump drive source joints 2d and 2c, and then the paint feed to the paint return pipe is bypassed via the joint 3 "d, 3" c for the paint feed to the paint return pipe. Open the connecting pipe valve 3 ″ b to open the coating apparatus 7 and the paint return pipes 3c to 3a.
Paint in the paint can 5 and the paint feed pipe 2
The paint between e and the pump (for paint can) 2b is recovered through a paint feed-to-paint return bypass junction 3 "a.

Thereafter, the joint on the coating apparatus side and the joint on the paint circulation / paint adjustment unit (paint feed system: paint feed pipe system, paint circulation / paint adjustment unit side 2c and paint apparatus side 2d, paint feed drive system, paint circulation / paint adjustment Unit side 2'c and coating device side 2'd, paint return piping system: paint circulation / paint adjustment unit side 3c and coating device side 3
d, paint can paint circulation system: paint circulation / paint adjustment unit side 3 ″ c and coating device side 3 ″ d, paint regulation device drive system: paint circulation / paint adjustment unit side 4c and coating device side 4d) are separated.

FIG. 5 is a schematic view of another example of the paint adjusting / paint circulating unit according to the present invention. The paint adjustment / paint circulation unit includes a paint feed pipe (paint can side) 2a and a pump 2
b, paint feed system equipment consisting of paint feed pipe joint (paint can side) 2c, pump drive source joint (paint can side) 2'c, paint feed to paint can bypass return pipe (paint can side) 2 " a, paint feed to paint can bypass return pipe valve 2 ″ b, paint feed to paint can bypass return pipe valve drive source joint (paint can side) 2 ″ c, paint feed to paint can bypass return pipe system Equipment, paint return piping (paint can side)
Paint return system equipment comprising a paint joint 3a and a paint return pipe joint (paint can side) 3c, a paint adjusting device (paint can side) 4a,
The apparatus is provided with a paint adjusting device system including a paint adjusting device driving device 4b and a paint adjusting device drive source joint (paint can side) 4c. Paint feed piping joint (paint can side) 2c and paint return piping joint (paint can side)
3c has a structure in which the paint does not leak from the inside when the internal pressure is equal to or lower than a predetermined value. It is the same as the above-mentioned example except that the bypass return pipe between the paint feed and the paint can is different.

[0018]

As described above, the paint adjusting and coating apparatus 7 is provided.
The same device can be used to automatically circulate paint, and subsequent cleaning can be performed as a single unit.

[Brief description of the drawings]

FIG. 1 is a schematic diagram of a paint conditioning and paint circulation unit according to the present invention;

FIG. 2 is a schematic diagram when a paint adjustment / paint circulation unit according to the present invention is set in a paint can.

FIG. 3 is a schematic view of a paint adjustment position according to the present invention;

FIG. 4 is a schematic view at a painting position according to the present invention;

FIG. 5 is a view showing another example of a coating adjustment / paint circulation unit according to the present invention;

FIG. 6 is a schematic view at a paint adjustment position according to a conventional method,

FIG. 7 is a schematic view at a painting position according to a conventional method.

[Explanation of symbols]

1 paint adjustment / paint circulation unit frame 2 paint feed pipe (painting equipment to paint can) 2a paint feed pipe (paint can side) 2b pump (paint can side) 2c paint feed pipe joint (paint can side) 2d paint feed Pipe joint (coating device side) 2c Paint feed pipe (painting device side) 2'c Pump drive source joint (paint can side) 2'd Pump drive source joint (coating device side) 2'e Pump drive source piping・ Wiring (coating device side) 2′f Pump drive source joint (paint control device side) 2′g Pump drive source piping / wiring (paint control device side) 2 ″ a Paint return to paint can bypass return pipe (paint) 2 "b Paint return to paint can bypass return valve (paint can side) 2" c Paint feed to paint can bypass return valve Valve drive joint (paint can side) 3 Paint return piping (paint) 3a Paint return piping (paint can side) 3c Paint return piping joint (paint can side) 3d Paint return piping joint (painting device side) 3e Paint return piping (painting device side) 3 ″ a paint Bypass pipe between feed and paint return pipe (paint can side) 3 "b Bypass pipe valve between paint feed and paint return pipe (paint can side) 3" c For bypass pipe valve drive between paint feed and paint return pipe Joint (Paint can side) 3 ″ d Joint for paint bypass to bypass pipe valve between paint feed and paint return pipe (coating equipment side) 3 ″ e Bypass pipe for paint feed to paint return pipe Valve drive source piping and wiring (painting) 3 ”f Bypass joint valve between paint feed and paint return piping drive source joint (paint adjustment device side) 3” g Bypass joint valve between paint feed and paint return piping Drive source piping and distribution Line (paint control device side) 4a Paint control device (for paint can: stirrer, etc.) 4b Paint control device drive device (for paint can) 4c Joint for paint control device drive source (paint can side) 4d Paint control device drive source Joint (coating device side) 4e Paint adjustment device drive source piping and wiring (painting device side) 4f Paint adjustment device drive source joint (paint adjustment device side) 4g Paint adjustment device drive source piping and wiring (paint adjustment device side) 4 4a Paint control device (for paint can: high-speed stirrer, etc.) 4'b Paint control device (for high-speed drive: for paint can) 4 "a Paint control device (for paint can: low-speed stirrer, etc.) 4" b paint Adjustment device drive unit (for low-speed drive: for paint cans) 5 Paint cans 6 Paint circulator / paint adjustment unit mounting base 7 Painting device

Continuation of the front page (72) Inventor Kenji Yamamoto 1 Kimitsu, Kimitsu City, Chiba Prefecture Nippon Steel Corporation Kimitsu Works (56) References JP-A-4-200674 (JP, A) Japanese Utility Model Showa 60- 24377 (JP, U) Jikken Sho 61-38702 (JP, Y2) Jikgyo 4-46838 (JP, Y2) (58) Field surveyed (Int. Cl. ⁷ , DB name) B05C 11/00-11 / 115 B05D 1/00-1/42 B05D 3/00 C09D 7/14 B44D 3/06

Claims (4)

(57) [Claims] 1. Preparation and supply of paint from a paint can to a coating device
In the device, paint feed pipe (2a) and pump (2b)
・ Distribution of paint return pipe (3a) and paint adjusting device (4a)
During the adjustment of the paint, a valve for stirring the paint in the paint can (5)
The paint in the paint can is fed through the
Reflux to paint can via pipe (2a) and pump (2b)
Integral paint control with bypass pipe (3 ゛ a)
A paint adjustment / supply device characterized by incorporating a paint circulation unit into a paint can. 2. The bypass connection pipe according to claim 1 , wherein said pipe is a pipe.
Increase the agitation power of the paint in the paint can
A paint adjusting / supplying device characterized in that a discharge port enabling the above is directed upward. 3. A paint adjustment and supply from a paint can to a coating device.
In the device, paint feed pipe (2a) and pump (2b)
・ Distribution of paint return pipe (3a) and paint adjusting device (4a)
During coating, the paint flows back from the coating device (7),
On the other hand, during paint adjustment, a valve (3 ゛ b)
And the paint in the paint can is transferred to the paint feed pipe (2a)
Paint return pipe (3a) which returns to the paint can via (2b)
Paint control and paint circulation unit
A paint adjustment and supply device that is incorporated in a can. 4. The paint return pipe (3a) according to claim 3,
Increase the agitation power of paint in paint cans in piping
The discharge port that enables
Charge adjustment and supply equipment.