JPH115048A - Multicolored pattern spray device and multicolored pattern spray method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a multicolored pattern spray device in which the jetted quantities of spray raw materials are easily fixed and to provide a multicolored pattern spray method using the same device. SOLUTION: This device is provided with plural tanks 11, 12,... for individually housing plural kinds of spray row materials, a spray gun 5 provided with nozzles for jetting the spray raw materials in the plural tanks 11, 12,..., flow passages for individually introducing the spray raw materials to the spray gun 5 form the plural tanks 11, 12,... and gear pumps 21, 22,... for feeding the spray raw materials to the spray gun 5 from the plural tanks 11, 12,... through each of the flow passages.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spraying apparatus for a multicolor pattern which is suitable for applying a multicolor pattern using a plurality of kinds of spray materials such as paint and gel coat resin, and a multi-color pattern spray apparatus using the apparatus. The present invention relates to a color pattern spraying method.

[0002]

2. Description of the Related Art Conventionally, for example, Japanese Unexamined Patent Publication No.
As described in Japanese Unexamined Patent Application Publication No. HEI 3-232560, a plurality of tanks for individually storing a plurality of types of spray materials, and nozzles for ejecting the spray materials in the plurality of tanks are provided. A spray device for a multicolor pattern, which is provided with a spray gun and a flow path for individually introducing spray materials from the plurality of tanks to the spray gun, is known.

In such a conventional multicolor pattern spray apparatus, a means for supplying a spray material from a tank to a spray gun via a flow path includes applying air pressure to a tank containing the spray material. Means for pressure-feeding the spray material by air pressure is employed.

[0004]

However, in the conventional multi-color pattern spraying apparatus, the means for supplying the spray material from the tank to the spray gun employs a means for pressure-feeding the spray material. There has been a problem that the spray amount of the spray material from the spray gun tends to change due to various factors such as a change in the viscosity of the spray material, a change in the degree of fluctuation, a change in the remaining amount of the spray material in the tank, and a pulsation of the air pressure due to the change.

[0005] Since the pattern of the multicolored pattern changes greatly when the amount of spray material ejected from the spray gun changes, conventionally, fine adjustment of the air pressure is required to stabilize the amount of spray material ejected. It took a lot of time.

The present invention has been made in view of the above-mentioned problems in the conventional multi-color pattern spray apparatus, and an object of the present invention is to solve the above-mentioned problems and to reduce the amount of spray material sprayed. It is an object of the present invention to provide a spray device for a multicolor pattern, which makes it easy to stabilize the color, and a spray method for a multicolor pattern using the spray device for a multicolor pattern.

[0007]

In order to achieve the above object, the present invention provides a spray apparatus for a multicolor pattern according to the present invention, comprising a plurality of tanks for individually storing a plurality of types of spray materials, A spray gun having a nozzle for ejecting the spray material in a plurality of tanks, a flow path for individually introducing the spray material from the plurality of tanks to the spray gun, and a flow path from the plurality of tanks through each flow path. And a pump for supplying the spray material to the spray gun.

According to a second aspect of the present invention, there is provided the spray device for a multicolor pattern according to the first aspect, wherein the pump is a gear pump.

According to a third aspect of the present invention, there is provided the spray device for a multicolor pattern according to the first or second aspect, wherein the pump is driven by a motor, and the drive shaft of the pump and the motor are driven. A clutch is provided between the shaft and the shaft.

According to a fourth aspect of the present invention, there is provided the spray device for a multicolor pattern according to the first, second or third aspect, wherein a valve is provided in the flow path. Is what you do.

According to a fifth aspect of the present invention, there is provided a method for spraying a multicolor pattern according to the first, second, third or fourth aspect, wherein a plurality of types of spray materials are operated by operating a pump. Is supplied to the spray gun.

In the first aspect of the present invention, the pump is not particularly limited as long as it can supply a spray material via a flow path, and is not particularly limited. A pump, a plunger type rotary pump, a piston type rotary pump, a rotary blade type rotary pump, a gear pump, a friction pump and the like can be used. In particular, when a gear pump is used, the spray raw material can be reliably supplied without pulsation since the structure is relatively simple and small in size. When a gear pump is used, it is preferable to use a pump that can always supply a constant amount of the spray material regardless of the viscosity, the degree of fluctuation, etc. of the spray material.

According to the third aspect of the present invention, as the pump driving motor, a motor having a speed reducer, an impeller motor, a servomotor or the like that can change the rotation speed is used. This is preferable because the supply amount of the can be adjusted.

In the multi-color pattern spray apparatus according to the first aspect of the present invention, a plurality of containers for individually storing a plurality of types of spray materials, and the spray materials in the plurality of containers are ejected. A spray gun with a nozzle,
There are provided a flow path for individually introducing the spray material from the plurality of containers to the spray gun, and a pump for supplying the spray material from the plurality of containers to the spray gun via each flow path. The spray material in the tank is supplied to the spray gun, the supply amount of the spray material to the spray gun is constant, and the supply amount of the spray material to the spray gun changes in the viscosity and fluctuation of the spray material due to temperature change. And is not affected by changes in the remaining amount of spray material in the tank.

In the spraying apparatus for a multicolor pattern according to the present invention, the pump is a gear pump.
Relatively simple structure, small size and reliable supply of spray material without pulsation.

According to the third aspect of the present invention, the pump is driven by a motor and a clutch is provided between a drive shaft of the pump and a drive shaft of the motor. Is selectively operated to selectively drive the pump, supply gel coat resin of a color corresponding to a desired pattern to the spray gun, and
A multicolor pattern of a desired pattern can be applied to the surface of the semi-finished product.

In the spray device for a multicolor pattern according to the present invention, a valve is provided in the flow path.
Selectively opening and closing the flow path by selectively operating a valve, supplying a gel coat resin of a color corresponding to a desired pattern to a spray gun, and applying a multicolor pattern of a desired pattern on the surface of a semifinished FRP product. Can be.

According to a fifth aspect of the present invention, there is provided the multicolor pattern spraying method according to the first, second, third or fourth aspect, wherein a plurality of types of spray raw materials are operated by operating a pump. Is supplied to the spray gun, so that the supply amount of the spray material to the spray gun is constant, and the supply amount of the spray material to the spray gun varies with the viscosity of the spray material due to changes in air temperature, changes in the degree of fluctuation, and changes in the tank. It is not affected by the change of the remaining amount of the spray material inside.

[0019]

Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is an explanatory view showing an example of the multicolor pattern spray device of the present invention.

In FIG. 1, 11, 12, 13, 14,
Numeral 15 is a tank containing gel coat resins of different colors, and 21, 22, 23, 24, and 25 are gear pumps. Each of the tanks 11, 12, and 23 is located on the suction side of each of the gear pumps 21, 22, 23, 24, and 25. 13, 14 and 15 discharge pipes are connected.

Each gear pump 21, 22, 23, 24, 2
5 are gear drive shafts 211, 221, 23.
1, 241 and 251. Each gear drive shaft 211, 221, 231, 241, 2
At the tip of 51, joints 212, 222, 232, 2
42 and 252 are provided.

Reference numerals 31, 32 and 33 denote servomotors, and joints 312 and 312 are provided at the ends of motor drive shafts 311, 321 and 331 of the servomotors 31, 32 and 33, respectively.
322, 332 are provided, and the motor drive shafts 311, 3
The joints 312, 322 and 332 of the gears 21 and 331 are joints 212 of the gear drive shafts 211, 221, and 231;
222 and 232.

The servo motors 31, 32, and 33 can move on the rails 4. The servo motors 31, 32, and 33 move on the rails 4 to move the motor drive shafts 311, 321, and 331. Joint 3
12, 322, 332 are gear drive shafts 211, 221, 2
31, 241 and 251 joints 212, 222 and 2
32, 242, and 252.

Reference numerals 41, 42, 43, 44 and 45 denote hoses. One end of each of the hoses 41, 42, 43, 44 and 45 is connected to a discharge port of each of the gear pumps 21, 22, 23, 24 and 25. The other ends of the hoses 41, 42, 43, 44, 45 are provided with couplers 411, 421, 431, 441, 45.
1 is attached.

Reference numeral 5 denotes a spray gun.
The manifold 51 has three hoses 511, 512,
One end of 513 is connected, and three hoses 511 and 51 are connected.
The other ends of 2, 513 are connected to couplers 411, 421, 431.

The trigger 52 of the spray gun 5 is an electric wire 521
Are connected to the respective servo motors 31, 32, 33, and by operating the trigger 52, the respective servo motors 31, 32, 33 are operated.

Reference numeral 6 denotes a control panel. The control panel 6 is connected to each of the servomotors 31, 32, and 33 by an electric wire 61. The servomotors 31, 32, and 33 are operated by operating switches (not shown) of the control panel 6. Moves on the rail 7, and joints 312, 322, 332 of the motor drive shafts 311, 321, 331 are connected to the gear drive shafts 211, 22.
Joints 212, 22 of 1, 231, 241, 251
2, 232, 242, and 252, and the number of rotations of the servo motors 31, 32, and 33 can be controlled.

That is, by operating a predetermined switch (not shown) of the control panel 6 according to the pattern of the multicolor pattern applied by the multicolor pattern spray device of the present invention, the servomotors 31 and 3 are operated.
2 and 33 move on the rail 7 and the motor drive shaft 31
1, 321, 331 joints 312, 322, 33
2 is a gear drive shaft 211, 221, 231, 241, 25
1 joint 212, 222, 232, 242, 25
Connect with any one of the two multicolored patterns,
In addition, the number of rotations of the servo motors 31, 32, 33 can be controlled to obtain a desired multicolor pattern.

The spray device for a multicolor pattern of the present invention shown in FIG. 1 has the above-mentioned structure, and the trigger 52 is directed toward the nozzle 53 of the spray gun 5 toward the surface of the FRP semi-finished product to be gel-coated. When operated, each servo motor 31, 32, 33 rotates, and the gear pumps 21, 22,
By 23, the gel coat resin in the tanks 11, 12, 13 is jetted from the nozzle 53 via the hoses 41, 42, 43, 511, 512, 513, and a multicolor pattern is applied to the surface of the semifinished FRP product.

When a multi-color pattern of another pattern is applied to the surface of the semi-finished FRP, the servo motors 31, 32, 33 are moved on the rail 7 by operating a predetermined switch (not shown) of the control panel 6. Then, any one of the gear pumps 21, 22, 23, 24, and 25 corresponding to the multi-color pattern of another pattern is selected and driven, and the gel coat resin of the corresponding color is supplied to the spray gun 5, and the FRP semi-finished product is manufactured. A multicolor pattern of another pattern can be applied to the surface.

In the spray apparatus for a multicolor pattern of the present invention shown in FIG. 1, gel coat resins of different colors in the tanks 11, 12, 13,.
・ The amount of gel coat resin supplied to the spray gun 5 is stable because
A desired multicolor pattern can be applied to a semifinished FRP product without being affected by a temperature change or the like.

FIG. 2 is an explanatory view showing a main portion of another example of the multicolor pattern spray apparatus of the present invention. The spray device for a multicolor pattern of the present invention shown in FIG. 2 uses one servomotor instead of using a plurality of servomotors as the spray device for a multicolor pattern of the present invention shown in FIG. is there.

That is, in the spray device for a multicolor pattern of the present invention shown in FIG. 2, the drive shafts 211, 221 and 231 of the gear pumps 21, 22, and 23 are driven by gears (not shown) in the gear box 8. A gear (not shown) in the gear box 8 is driven by a drive shaft 81,
The drive shaft 81 is configured such that a joint 82 provided at a tip of the drive shaft 81 is connected to a joint 302 provided at a tip of a drive shaft 301 of the servomotor 30.

FIG. 3 is an explanatory view showing another example of the spray device for a multicolor pattern according to the present invention. In FIG.
_{1 A, 1 B, 1 C} , ··· tank to each different color gel coat resin is _{accommodated, P A, P B, P} C, ··· each tank _{1 A, 1 B, 1 C} , · a gear pump provided ..., the gear pump _{P a, P B, P C} , the tank 1 during the operation of the · · · _a, 1 _B, 1 _C, hose gelcoat resin from ··· 4 _a, 4 _B , 4 _C , ...
Valve _{V A, V B, V C} , ··· and coupler 41 _A, 41
_B, 41 _C, via ... hose 51 _A, 51 _B,
Are supplied to the manifold 51 from 51 _C ,... And are ejected from the nozzle 53 of the spray gun 5.

M1, M2, M3 are inverter motors
And drive of the inverter motors M1, M2, M3
Axis M11, M21, M31 to branch axis M12, M22,
M32 is branched. Branch shaft M12 and gear pump P
_C, P_F, P_IDrive shaft P_C1, P_F1, P_I1Between
Switch C_C, C_F, C_IAre provided, and a branch shaft M22 and a gear are provided.
Pump P_B, P_E, P_HDrive shaft P_B1, P_E1, P_H1With
Clutch C between_B, C _E, C_HIs provided, and the branch shaft M3 is provided.
2 and gear pump P_C, P_F, P_IDrive shaft P_C1, P_F1,
P_I1Between clutch C_C, C_F, C_IIs provided
You. M13, M23 and M33 are drive shafts M11 and M2.
1, a bearing provided at the end of M31.

[0036] In the present invention a multicolor pattern spray apparatus shown in FIG. 3 is thus tank _{1 A, 1 B, 1 C} , ··
Gear pump different colors gelcoat resin inside · P _A, P
_Since it is supplied to the spray gun 5 by _B , P _C ,..., The amount of the gel coat resin supplied to the spray gun 5 is stable and is not affected by a temperature change or the like. A desired multicolor pattern can be applied.

In order to apply a multicolor pattern of a desired pattern to the surface of the semi-finished FRP product, the respective inverter motors M1, M2, M3
Are constantly rotating, the clutches C _A , C
By selectively operating any one of _B , C _C ,..., One of the gear pumps P _A , P _B , P _C ,. The gel coat resin is supplied to the spray gun 5 so that a desired multi-color pattern can be formed on the surface of a not-shown FRP semi-finished product.

Supply of gel coat resin to spray gun 5
The amount is gear pump P_A, P_B, P_C, ...
Number of rotations and hoses of inverter motors M1, M2, M3
51 _A, 51_B, 51_C, Provided on the valve V_A,
V_B, V_CAdjust by adjusting the opening / closing amount of
can do.

FIG. 4 shows a spray device for a multicolor pattern according to the present invention.
It is explanatory drawing which shows another example different from FIG. The present invention shown in FIG.
In the spray device for bright multicolored patterns, the present invention shown in FIG.
Branch shafts M12, M
22, M32 and gear pump P_A, P_B, P_C, ...
Dynamic axis P_A1, P_B1, P_C1Clutch C between_A, C
_B, C_CInstead of providing a joint K_A, K_B, K
_C, And the sprocket for a multicolor pattern of the present invention shown in FIG.
Hose 4_A, 4_B, 4_C...
Normal valve V_A, V_B, V_CInstead of providing
Three-way valve V_A1, V_B1, V_C1, ..., each three-way valve
V_A1, V_B1, V_C1, ... is a reflux hose 4_A1, 4_B1,
4_C1, .. are provided.

In the other parts of the multicolor pattern spray apparatus of the present invention shown in FIG. 4, the same reference numerals as those used in the multicolor pattern spray apparatus of the present invention shown in FIG. Omitted.

Since the spray device for a multicolor pattern of the present invention shown in FIG. 4 is provided with the above-described structure, each inverter motor M1, M2, M3 and each gear pump P _A ,
In the state where P _B , P _C ,.
The three-way valve _{V A1, V B1, V C1} , the hoses by selectively operating one of _{··· 4 A, 4 B, 4} C, ···
And selectively supplied to the spray gun 5 one of the gel coat resin in-the surface of the FRP blank (not shown) can be subjected to multi-color pattern of the desired pattern, other hoses 4 _A not selected, 4 _B The gel coat resin in 4 _C ,... Is supplied to the tanks 1 _A , 1 by the reflux hoses 4 _A1 , 4 _B1 , 4 _C1 ,.
_{Refluxed to B} , _1C , ...

Although the embodiment of the present invention has been described with reference to the drawings, the configuration of the present invention is not limited to the illustrated embodiment, and design changes within the scope of the present invention are included in the present invention. It is.

For example, as in the illustrated embodiment, a multicolor paint may be used instead of using a multicolor gel coat resin.

[0044] Also, as in the present invention a multicolor pattern spray apparatus shown in FIG. 4, the hose 4 _A, 4 _B, 4 _C, in ... 3
Instead of providing the valves V _A1 , V _B1 , V _C1 ,..., As shown in FIG. 3, ordinary valves V _A , V _B , V _C ,. by branching the valved reflux hose upstream of the valve, the hose 4 _a selectively opening any of the conventional valve of the hose, 4 _B, 4 _C, · ·
.. May be supplied to the spray gun 5 and the gel coat resin in the other hose may be returned to the tank by opening the valve of the return hose with a valve.

[0045]

In the spraying apparatus for a multicolor pattern according to the present invention, the spray material in the tank is supplied to the spray gun by the pump, and the supply amount of the spray material to the spray gun is constant. The supply amount of the spray material to the gun is not affected by a change in the viscosity of the spray material, a change in the degree of fluctuation, a change in the remaining amount of the spray material in the tank, or the like due to a change in temperature, so that a stable multicolor pattern can be formed. .

In the spray device for a multicolored pattern according to the present invention, the pump is a gear pump.
Relatively simple structure, small size and reliable supply of spray material without pulsation.

In the spraying apparatus for a multicolor pattern according to the third aspect of the present invention, the pump is driven by the motor and the clutch is provided between the drive shaft of the pump and the drive shaft of the motor. Is selectively operated to selectively drive the pump, supply gel coat resin of a color corresponding to a desired pattern to the spray gun, and
A multicolor pattern of a desired pattern can be applied to the surface of the semi-finished product.

In the spray device for a multicolor pattern according to the present invention, a valve is provided in the flow path.
Selectively opening and closing the flow path by selectively operating a valve, supplying a gel coat resin of a color corresponding to a desired pattern to a spray gun, and applying a multicolor pattern of a desired pattern on the surface of a semifinished FRP product. Can be.

Further, in the multicolor pattern spraying method according to the present invention, the supply amount of the spray material to the spray gun is constant, and the supply amount of the spray material to the spray gun is changed by the temperature change. Since it is not affected by a change in viscosity, a change in fluctuation degree, a change in the remaining amount of the spray material in the tank, and the like, a stable multicolor pattern can be applied.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing an example of the multicolor pattern spray device of the present invention.

FIG. 2 is an explanatory view showing a main part of another example of the multicolor pattern spray device of the present invention.

FIG. 3 is an explanatory view showing still another example of the spray device for a multicolor pattern of the present invention.

FIG. 4 is an explanatory view showing still another example of the multicolor pattern spray device of the present invention.

[Explanation of symbols]

11,12,13,14,15 tank _{1 A, 1 B, 1 C} ········ tank 21-25 gear pump _{P A, P B, P C} ····· ... gear pumps 31, 32, 33 motor M1, M2, M3 motor 43, 44, 45 hose _{4 A, 4 B, 4 C} , 4 D, 4 E ·· hose 4 _A1, 4 _B1, 4 _C1, 4 _D1, 4 _E1 ·· reflux hose _{C A, C B, C C} , C D, C E ·· clutch _{V A, V B, V C} , V D, V E ·· valve V _A1, V _B1 , V _C1 , V _D1 , V _E1 ··· Three-way valve 5 Spray gun 51 Manifold 511, 512, 513 Hose 6 Control panel

 ──────────────────────────────────────────────────続 き Continued from the front page (72) Inventor Yojiro Yamamoto 210 Okayama Sukusui Kogyo Co., Ltd., Okayama City, Okayama Prefecture

Claims (5)

[Claims] 1. A plurality of tanks for individually storing a plurality of types of spray materials, a spray gun having a nozzle for ejecting the spray materials in the plurality of tanks, and a spray gun from the plurality of tanks to the spray gun. A spray apparatus for a multicolor pattern, comprising: a flow path for individually introducing a spray material; and a pump for supplying the spray material to a spray gun from a plurality of tanks via each flow path. 2. The multicolor pattern spray device according to claim 1, wherein the pump is a gear pump. 3. The spray device according to claim 1, wherein the pump is driven by a motor, and a clutch is provided between a drive shaft of the pump and a drive shaft of the motor. 4. The spray device for a multicolor pattern according to claim 1, wherein a valve is provided in the flow path. 5. A multicolor pattern spray, wherein a plurality of types of spray materials are supplied to a spray gun by operating a pump, using the multicolor pattern spray apparatus according to claim 1, 2, 3 or 4. Method.