JPH0446847Y2 - - Google Patents

Description

[Detailed description of the invention] (Industrial application field) This invention is a paint that is installed in a simple wet painting booth, etc., and is used to supply various kinds of paint in small quantities to a painting gun in a relatively small amount. Regarding the supply device.

(Prior Art) Conventionally, when painting relatively small parts, a simple wet painting booth has been used, and the painting has been carried out manually with a paint gun. Conventionally, in this wet-type simple painting booth, when changing the paint color, the paint tank had to be replaced each time, and transporting the paint tank for replacement was very troublesome. Therefore, the inventor of this invention
In Publication No. 63-090461, a plurality of turntables are provided vertically at intervals along a vertical axis and are rotatable, paint tanks of various paint colors are installed on the turntables, and the turntables are rotated. We have proposed a multi-variety, small-quantity paint supply device that can direct a paint tank of a desired paint color toward the operator through rotational control, making it easy to change paint colors.

(Problems to be Solved by the Invention) The above-mentioned apparatus for supplying various kinds of paint in small quantities brings about a remarkable improvement in the workability of multi-color painting, and can sufficiently cope with the diversification of paint colors.

By the way, this equipment requires constant stirring of the paint in the paint tank in order to always prepare various types of paint in a ready-to-paint state, so each paint tank is equipped with an agitator or other agitator. Ta. However, in the past, the air drive device for operating each agitator was separately provided, making the overall structure of the device complex and requiring a large amount of air consumption, making it difficult to save energy. It was something I didn't like. Furthermore, since the stirring member is driven by air, it is extremely difficult to control the speed of movement of the stirring member to be constant for all paint tanks.

In addition, when painting using this device, an appropriate number of large-capacity paint tanks containing paint of colors that are used relatively often and small-capacity paint tanks containing paint of colors that are relatively rarely used are provided. It is most convenient to use it while changing the paint color at any time. Therefore, depending on the type of product to be painted, and in order to further diversify the paint colors, it is necessary to be able to freely change the number of large-capacity paint tanks and the number of small-capacity paint tanks. or desired. However, the conventionally proposed device has a structure in which paint tanks of each capacity are provided at specific positions for each capacity, so there is a limit to the number of combinations of paint tanks of various capacities, and the above requirements cannot always be met. It was not something I could satisfy.

An object of the present invention is to eliminate these drawbacks and provide a device for supplying various kinds of paint in small quantities, which is a further improvement over the device proposed above.

(Problem to be solved by the invention) The multi-variety, small-quantity paint supply device of the present invention uses a gear mechanism to interlock all the mechanical agitators installed in each paint tank, so that the paint in the tank can be simultaneously fed. The paint tank can be stirred, and the clamp mechanism of the paint tank can be adjusted depending on the tank capacity. That is, in the device of the present invention, a plurality of turntables are installed rotatably around a hollow main shaft and spaced apart vertically, and air piping runs through the inside of the main shaft to the paint tank on each turntable. The installed multi-variety, small-quantity paint supply device includes a main gear rotatably attached to the main shaft, a auxiliary gear attached to the rotating shaft of an agitator equipped with each paint tank, and a rotatably attached to the device body. An interlocking shaft rotated by a drive device, a transmission mechanism that transmits the rotation of the interlocking shaft to the main gear, and a plurality of clamp support holes formed on the top surface of each turntable at predetermined positions for each capacity of the paint tank. and a plurality of clamps each consisting of a set of at least two clamps, the pins at the bottom of the clamps being inserted into the support holes to fix each capacity of the paint tank on the turntable so that the main gear and the secondary gear mesh with each other. The invention is characterized in that it is equipped with a clamp device.

Several turntables are in the shape of a disc or a similar shape, and several turntables are provided vertically at intervals along the main axis, and several to several dozen paint tanks are placed on the turntables. Preferably, the turntable is rotated automatically, e.g.
By sequential control using rack gears, for example, by rotating the paint by 36° or 90° in one operation, or by specifying the paint number and automatically rotating it and bringing it to the operator's side. Preferably, this is done.

Further, in the device of the present invention, the rotary joint is usually attached to the upper end or lower end of the main shaft,
Air piping is provided from the rotary joint through the inside of the hollow main shaft to the plurality of paint tanks on each turntable, so that the piping can be arranged.

The paint tank is equipped with an agitator, and is connected to an air hose that connects to the hollow part of the main shaft and a paint hose that connects to the paint gun. It is preferable to interpose a joint or a quick joint between these parts. Further, the paint tank is usually provided with a pressure gauge and a pressure reducing valve for adjusting the pressure inside the tank. Furthermore, it is preferable that the paint tank is composed of several types of tanks with different capacities to correspond to the amount and frequency of use.

Therefore, in the device of the present invention, when changing the paint color, first remove the quick joint between the paint gun and the paint tank, clean the paint gun with thinner, and then apply the desired paint using automatic operation. The procedure is to rotate the turntable so that the tank faces the operator, and then connect the paint gun and new paint tank with a quick joint.

Further, in the device of the present invention, the drive device (which may be independent of the drive device of the turntable or may be used in combination) and the rotating shaft of the agitator of each paint tank are connected to an interlocking shaft, a transmission mechanism, Connected via main gear and secondary gear. The transmission mechanism is
For example, it consists of a belt drive mechanism, a chain drive mechanism or a gear drive mechanism. A belt drive mechanism includes a combination of a pulley and a belt, a chain drive mechanism includes a combination of a sprocket and a chain,
Further, the gear drive mechanism includes a plurality of gears that mesh with the interlocking shaft.

Furthermore, the device of the present invention comprises a clamping device consisting of a set of at least two clamps and having a pin at the bottom of each clamp. The clamp usually consists of a pair of fixed clamps and movable clamps, and the size, structure, etc. of the clamps may be changed depending on the capacity of the paint tank. Further, the turntable of the present device has a plurality of clamp support holes formed on its upper surface at predetermined positions for each capacity of the paint tank.
For example, an appropriate number of clamp support holes for a large-capacity paint tank and clamp support holes for a small-capacity paint tank are each formed separately and preferably regularly over the entire upper surface of the turntable. Then, the clamp is installed on the turntable by inserting the pin at the bottom of the clamp into the support hole, and one set of clamps allows one paint tank to be mounted on the turntable with the main gear and the secondary gear. They are fixed so that they interlock.

(Function) In the device of the present invention, the motion shaft rotates when the drive device is operated, and the rotational force of the motion shaft is transmitted to a plurality of main gears provided for each turntable by the action of a transmission mechanism such as a belt or chain drive. The main gears rotate around the main shaft, and the rotation of the main gears rotates the plurality of sub-gears located around it, and the rotation of the sub-gears rotates the plurality of paint tanks on the turntable. The agitators are activated respectively, so that the paint in the tank is agitated at the same time. In this case, by appropriately changing the power transmission ratio from the drive device to the interlocking shaft, the transmission ratio of the belt or chain drive mechanism, and the ratio of the number of teeth between the main gear and the auxiliary gear, the rotation of the agitator of each paint tank can be adjusted. The desired level of speed, ie stirring efficiency, can be set.

In addition, the device of the present invention provides clamp support holes for each capacity of the paint tank, and attaches a set of clamps to the positions of the support holes corresponding to the capacity of the paint tank to be fixed. It has a structure that allows a paint tank of this capacity to be fixed on a turntable. Therefore, the number of combinations of paint tanks of various capacities that can be installed on all the turntables of the present apparatus is greatly increased, and the manner in which the paint tanks are installed is further diversified.

(Example) Embodiments of the present invention will be described below with reference to the drawings.

As shown in FIG. 12, the multi-variety, small-quantity paint supply device 1 of the embodiment is installed behind the operator 29 (on the opposite side from the object to be painted 32) inside the simple wet painting booth 30.
be prepared for.

As shown in FIGS. 1 to 5, this paint supply device 1 has a main shaft 2 vertically mounted on a structural frame 20 so as to be freely rotatable, and three turntables 3... mounted on the main shaft 2 at vertical intervals. Each turntable 3... is rotated around the main shaft 2 by the operation of the drive device 12 installed on the upper surface of the structural frame 20, and the large paint tank 4 on the turntable 3 is rotated. ...and small paint tank 5...
is starting to spin. As shown in FIGS. 3 and 4, the main shaft 3 is formed by connecting a plurality of hollow tubes fitted with a spacer tube 24 with a connecting member 22, and fixes the turntable 3 to a flange 21 at the upper end of the tube. It will be done.

The hollow portion 25 of the main shaft 2 communicates with an air pipe 36 on the structural frame 20 via a rotary joint 37, and the main shaft 2 is connected to a connecting port 38 on the outer surface.
It is connected to each paint tank 4, 5 through a branch pipe 39 (shown by a dashed line in FIG. It is now being supplied to

In addition, this device includes 10 to 20 large-capacity paint tanks 4 each equipped with an agitator 8, and 1 to 20 large-capacity paint tanks 4...
2 small-capacity paint tanks 5 are arranged around the main shaft 2 on the turntable 3 as shown in FIG.
The secondary gear 7 is rotatably attached to the main shaft 2 via the main gear 6 (see Fig.), and the auxiliary gear 7 is rotatably attached to the rotating shaft 9 of the agitator 8 of the paint tanks 4, 5 so as to mesh with the main gear 6.

Further, in the device 1 of the embodiment, the motion axis 10 is connected to the main axis 2.
At a further distance, it is mounted vertically and rotatably, and this shaft 10 is connected to a drive 11 on the structural frame 20. As shown in detail in FIG. 11, a bevel gear 28 is attached to the upper end of the interlocking shaft 10, and this gear 28 meshes with a bevel gear 27 connected to a motor 26, so that the interlocking shaft 10 is kept constant by the operation of the motor 26. rotates at a speed of

This device 1 includes three pulleys 13...
are attached to the interlocking shaft 10 for each turntable 3, and three pulleys 14 are attached to the main shaft 3.
As shown in the figure, the main shaft 3
The belt 15 is wound around the pulleys 13 and 14, and the belt 15 is wound around the pulleys 13 and 14 so that the belt 15 can rotate independently of the main gear 6 and move together with the main gear 6 using the connecting bolt 23. The rotational force is transmitted to the main gear 6.

Furthermore, the device 1 of the embodiment is shown in FIGS. 4 and 5.
As shown in the figure, a clamp support hole 40 for a large-capacity paint tank 4 is provided on the top surface of the turntable 3.
(Two holes each form a pair.) are formed regularly at intervals of 72 degrees, and clamp support holes 41 for the small capacity paint tank 5... (two holes each form a pair.) ) are formed regularly at intervals of 36 degrees.

The apparatus 1 of the embodiment has paint tanks 4 and 5.
Each tank is provided with a clamping device 16 for fixing the tank. This device 16 comprises a required number of combinations of fixed clamps 18a shown in FIGS. 6 and 7 and movable clamps 18b shown in FIGS. 8 and 9. Clamps 18a, 18
In both cases, a pin 42 is provided at the bottom, and an elastic rubber 43 is attached to reduce contact with the tank. Then, as shown in FIG. 10, the large-capacity paint tank 4 is placed on the turntable 3, the pins 42 of each clamp are inserted into the clamp support holes 40, the fixed clamp 18a and the movable clamp 18b are attached to the table 3, and the clamp 18b By tightening, the large-capacity paint tank 4 can be fixed and installed at a predetermined position where the gears 6 and 7 mesh, and by releasing the clamp 18b, the paint tank 4 can be removed. The fixing device for the small capacity paint tank 5 also clamps the pin 42 into the support hole 41.
It can be done in the same way except by inserting it into the

In actual painting using this device, the paint hose 33 is connected to the outlet 17 of the paint tank (Fig. 1), and the paint is applied from the paint gun 31 at the end of the hose as shown in Fig. 12. This is done by spraying toward the article 32 to be coated. When changing the paint color, disconnect the quick joint joint 34 and joint 35 in the middle of the hose, wash the paint gun 31 with thinner, dry it with air, and then rotate the turntable 3. Then, turn the desired paint tank toward the operator, connect the quick joint 34 and the same joint 35 again, and start painting again. In this case, due to the operation of the drive device 11, the interlocking shaft 10, the pulleys 13, 1
4. Power is transmitted to the main gear 6, the auxiliary gear 7, and the rotating shaft 9 of the agitator 8 in this order, and the paints in the tanks 4 and 5 are constantly stirred. The device of the example was able to efficiently stir the paint in all the paint tanks with a small driving source.

Furthermore, by tightening and releasing the clamp device 16, the paint tanks 4 and 5 can be easily attached to and removed from the turntable 3, and by changing the mounting position of the clamp device 16, a large capacity can be stored in the same place. It was possible to install either a large capacity tank 4 or a small capacity tank 5.

(Effect of the invention) As explained above, the multi-variety, small-quantity paint supply device of the present invention simultaneously operates all the mechanical agitators installed in the plurality of paint tanks on each turntable at a desired speed, and The paint inside can be stirred efficiently. This device has a simple overall structure, and since it does not use an air-driven agitator, it does not consume air and is very favorable in terms of energy savings. Moreover, the device of the present invention allows the mounting position of the clamp device to be changed, allowing both large-capacity and small-capacity paint tanks to be fixed and installed more freely on the turntable, making it possible to more easily arrange the paint tanks. It can be of various types. Therefore, the apparatus of the present invention not only facilitates multi-color coating work and diversifies coating colors, but also contributes to further improving the quality of multi-color coated products.

[Brief explanation of the drawing]

Fig. 1 is a front view showing a multi-variety, small-quantity paint supply apparatus according to an embodiment of the present invention, Fig. 2 is a view of the apparatus according to the embodiment as seen from line A-A in Fig. 1, and Fig. 3 is a view showing the apparatus according to the embodiment. 4 is a cross-sectional view showing the main gear and main parts of the belt drive mechanism, FIG. 4 is a view showing the top surface of the turntable in the device of the embodiment, FIG. 5 is a sectional view of the turntable taken along the - line in FIG. 4, and FIG. 7 and 7 are a front view and a plan view showing a fixed clamp in the device of the example, FIGS. 8 and 9 are a front view and a plan view showing a movable clamp in the device of the example, and FIG. 10 is a front view and a plan view showing the movable clamp in the device of the example. Fig. 11 is a view of the upper part of the apparatus of the embodiment as seen from the direction of arrow A in Fig. 1, and Fig. 12 is a diagram of a simple wet painting booth equipped with the apparatus of the embodiment. It is a diagram showing the inside. 1...Variety of types and small quantities of paint supply device, 2...Main shaft, 3
...Turntable, 4...Large capacity paint tank,
5...Small capacity paint tank, 6...Main gear, 7...
Secondary gear, 8... Agitator, 9... Rotating shaft, 10
... Interlocking shaft, 11 ... Drive device, 13, 14 ...
Pulley, 15...Belt, 16...Clamp device, 18a...Fixed clamp, 18b...Movable clamp, 30...Wet type simple painting booth, 40,4
1... Clamp support hole.

Claims (1)

[Claim for Utility Model Registration] A plurality of turntables are rotatably mounted around a hollow main shaft and are vertically spaced apart, and air piping passes through the inside of the main shaft to a paint tank on each turntable. The installed multi-variety, small-quantity paint supply device includes a main gear rotatably attached to the main shaft, a auxiliary gear attached to the rotating shaft of an agitator equipped with each paint tank, and a rotatably attached to the device body. an interlocking shaft that is rotated by a drive device; a transmission mechanism that transmits the rotation of the interlocking shaft to a main gear;
Each turntable consists of a plurality of clamp support holes formed at predetermined positions for each capacity of the paint tank on the top surface of each turntable, and a set of at least two clamps, and a pin at the bottom of the clamp is inserted into the support hole. A multi-kind, small-quantity paint supply device comprising a plurality of clamp devices for fixing paint tanks of different capacities onto a turntable so that the main gear and the secondary gear mesh with each other.