JPH06343909A - Coating applicator - Google Patents

Abstract

PURPOSE:To provide a high efficiency coating applicator which is capable of handling a high viscous coating for film formation, if such a coating is used, and forming a uniform film even on a large floor surface such as the area of a warehouse. CONSTITUTION:A coating tank 5 is mounted on a movable truck 1. In addition, a feed tank 8, a spray box 9 and a trowel plate 10 are arranged from the nearest end in a proceeding direction on the lateral surface of the truck 1. A feed aperture for feeding the coating to a spray box 9 is provided at the bottom of the feed tank 8 connected to the coating tank 5, and a spray aperture for spraying the coating to the floor surface at the bottom of the spray box 9, respectively in a direction which crosses the moving direction of the truck directly. The coating supplied to the spray box 9 from the feed aperture of the feed tank 8 is accumulated uniformly in the spray box 9 and sprayed uniformly from the spray aperture. The coating is prevented from being stuck to the wall surface by a wiper part which moves along the inner wall of the spray box 9.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for painting a floor surface or the like.

[0002]

2. Description of the Related Art Conventionally, when coating a floor surface of concrete or the like, a roller with a long handle is impregnated with a coating material and is manually coated. Such work is usually performed by a specialist.

However, when painting a large area floor surface in a warehouse or the like, it is necessary to constantly press the roller onto the floor surface in order to perform painting by hand painting without unevenness, which requires a lot of labor and time for the work. It is hard labor. In particular, in recent years, the aging of professional workers and the decrease of successors have become a problem, and the burden on workers has increased. Therefore, the inventor has proposed the following coating device.

That is, in this coating apparatus, as shown in FIG. 8, a paint container 32 is placed on a movable carriage 31, and a hose 34 is connected to the paint container 32 via a hand cock 33. . A coating means is provided at the tip of the hose 34 so as to project to the side surface when the moving direction of the carriage 31 is the front and rear surfaces. As such a painting means,
A multi-hole box 35 having a large number of pores is connected to the tip of the hose 34, and a roller 37 biased downward by a spring damper 36 is arranged behind the box 35. The multi-pore box 35 is held horizontally by the level lever 38, and the flow rate of the paint can be adjusted by the first lever 39. The position of the roller 37 with respect to the floor surface is adjusted by the second lever 50.

With such a coating apparatus, it is possible to form a coating film in a uniform state on a floor surface having a large area such as in a warehouse without unevenness of the paint, and moreover, since the burden on the operator is small, the coating apparatus can be efficiently used. You can do the work.

[0006]

By the way, the above-mentioned coating apparatus is an apparatus for coating a thin film. In the case of a thin film forming coating, the viscosity is low because the coating concentration is low and the amount of solvent is large. For this reason, the adhesion and persistence to the multi-pore box of the coating device are low.

However, the above-mentioned coating apparatus is not suitable for thick film-forming coating material due to the following problems. That is, the thick film forming coating composition is configured such that the entire thick film is quickly dried after being applied to the floor surface. For this reason,
The curing is promoted by a mixture of a curing accelerator, a mixture of components that are brought into close contact with each other by chemically reacting with concrete components on the floor surface, and the like. Therefore, the thick film-forming coating material is likely to be quickly dried and solidified when the container is taken out. Moreover, since the thick film is formed, the coating concentration is high, and therefore the viscosity of the coating is high. Therefore, when the thick film forming paint is used in the conventional coating device, the paint adheres to the wall surface of the multi-pore box and dries, which blocks the pores, and the paint is applied to the floor surface at a constant flow rate. It becomes difficult to flow down. For this reason, it has been difficult to use a thick film-forming coating material in the prior art.

The present invention has been provided in order to solve the above-mentioned problems of the prior art, and the object thereof is to easily handle a thick film-forming coating material and to store it in a warehouse or the like. It is to provide a coating apparatus which can form a coating film in a uniform state even on a floor surface having a large area, has a reduced amount of work, and has a reduced work time, and has high work efficiency. .

[0009]

The invention according to claim 1 is
A paint tank is placed on a movable carriage, and a supply tank connected to the paint tank is provided supported by the carriage, and is supplied from the supply tank behind the supply tank with respect to the traveling direction of the carriage. A spreading box for spraying the paint on the floor surface is provided on the trolley, and a trowel board is provided behind the spreading box in the traveling direction of the trolley to make the paint sprayed from the spreading box a uniform thickness on the trolley. In the bottom part or side surface of the supply box, a supply port for evenly supplying the paint to the distribution box is opened in the direction orthogonal to the moving direction of the trolley. In a part of the above, a spraying port for spraying the paint on the floor surface is provided so as to open in a direction orthogonal to the moving direction of the carriage.

The invention according to claim 2 is characterized in that the supply tank or the distribution box according to claim 1 is provided with a wiper portion which moves along the inner wall surface.

The invention according to claim 3 is characterized in that the supply tank or the distribution box according to claim 1 is provided with opening adjusting means for adjusting the opening amount of the supply port or the distribution port.

The invention according to claim 4 is characterized in that a generator is used as the drive means for the cart according to claim 1.

According to a fifth aspect of the present invention, a flow hose is provided as a connecting means for connecting the supply tank and the paint tank according to the first aspect, and the flow hose has means for adjusting the flow rate of the paint flowing inside. As a feature, a pressing means for pressing a part of the sending hose is provided.

[0014]

In the coating apparatus according to the present invention having the above-mentioned structure, since the paint is supplied from the paint tank to the spray box through the supply tank, the paint having a high viscosity is used. However, it can be uniformly supplied in the spray box. By spraying from the spray port in this state, it can be sprayed on the floor surface with a uniform thickness. Moreover, since the coating material spread on the iron plate is leveled, the coating can be applied to the entire floor surface with a uniform thickness.

According to the second aspect of the present invention, since the spray box is provided with the wiper portion, it is possible to prevent the thick film paint having high viscosity from solidifying on the wall surface.

According to the third aspect of the invention, by adjusting the opening amount of the spraying port of the spraying box by the opening adjusting means, it is possible to spray according to the viscosity of the paint.

According to the fourth aspect of the present invention, since the generator is used as the drive means of the trolley, the work is easy, and the coating device has less noise and vibration.

According to the fifth aspect of the present invention, the supply tank and the paint tank are connected by the sending hose, and the pressing means is provided on the supply tank, so that the sending hose is not provided with the flow rate adjusting valve. The flow rate of paint flowing through can be adjusted.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the coating apparatus of the present invention will be specifically described below with reference to the drawings.

(1) Structure of Main Embodiments In this embodiment, as shown in FIGS. 1 to 5, a trolley 1 provided with four tires 1a at the bottom is made of stainless steel. A seat 2 for a worker is provided on the upper part of the trolley 1 at the center of one end of the trolley 1 in the turning direction of the tire 1a for the worker to sit down and operate.
Here, the operator's seat 2 side of the carriage 1 is rearward, the other end side is frontward, and the left and right viewed from the front are the left and right directions.

In such a trolley 1, a generator 3 is provided below the seat 2 and an operating portion 4 is provided in front of the seat 2. As the generator 3, for example, a generator of AC100V is mounted, and a geared motor (not shown) is rotated via a cable (not shown).
It is configured to rotate a. The geared motor (not shown) is provided with the functions of rotating the tire 1a in the forward and backward directions, adjusting the rotation speed of the tire 1a, and braking.

On the other hand, as the operation unit 4, an operation box 4a for driving the generator, a steer lever 4b for adjusting the direction of the tire 1a, a paint stopper pedal 4c, and a control lever 4d for a paint spray box 9 described later.
A control lever 4e for the iron plate 10 and a control lever 4x for the supply tank 8 are provided. Furthermore, adjustment handles 4m and 4n for adjusting the angles of the spray box 9 and the iron plate 10 in the front-rear direction are provided.

A paint tank 5 for high-viscosity paint is arranged in front of the trolley 1 in front of these operation parts 4.
A hose 7 for sending is connected to a lower portion of the paint tank 5 via a valve 6. In addition, paint stopper pedal 4
In c, the tip portion is engaged with the upper portion of the sending hose 7. When the operator depresses the pedal 4c with his / her foot, the sending hose 7 is pressed from above. As a result, the flow rate of the paint in the hose 7 is adjusted so that the paint does not flow inside the hose 7 for sending when the pedal 4c is fully depressed. Further, the pedal 4c is provided with a control function for maintaining the state where the pedal is depressed at a fixed position.

The trolley 1 is provided with a supply tank 8, a spray box 9 and a trowel board 10 for leveling the paint as a coating means on one side edge (right side edge in the figure). ing. These are arranged from the front in the above order,
The carriage 1 is provided via the first to third support members 11 to 13, respectively.

The supply tank 8 is connected to the paint tank 5 by using the above-mentioned sending hose 7 as a connecting means so that a required amount of paint is supplied. When viewed from the side, this supply tank 8 is formed so that the height of its back surface is smaller than that of its front surface, and its bottom surface is tapered so that its rear position is higher than its front position. On the back surface of the supply tank 8 as described above, a long paint supply port 8a is provided at the lower portion in the width direction (left-right direction).
Are formed.

The rear position of the bottom surface of the supply tank 8 is supported by the first support member 11 so as to be rotatable in the front-rear direction. Further, the supply tank 8 is provided with a first elastic member 14 whose lower end is fixed to a lower part of the front surface of the supply tank 8 and whose upper end is fixed to an upper position of the cart 1, and the front surface of the supply tank 8 is centered on the first support member 14. Is pushed up and rotated. The first elastic member is arranged at a position where the supply tank smoothly rotates without coming into contact with the carriage or the like.

The spray box 9 is arranged below the rear surface of the supply tank 8. The spray box 9 is provided with an open top. Also, when viewed from the side,
The height of the back surface is larger than that of the front surface, and the bottom surface is formed in a tapered shape in which the rear is lower than the front.
The lower end portion of such a tapered bottom surface has a paint spray port 9
The opening a is provided. The spray box 9 is provided with a wiper portion 15 which is movable in the left and right horizontal directions along the inner peripheral surface thereof. In order to move the wiper unit 15, a rack 9x is provided on the upper rear surface on the inner surface side of the spray box 9, and one or more guide grooves 9y are provided on the inner surface of the front surface or the rear surface in the left and right horizontal directions, respectively. Has been. Then, the wiper unit 15 has a rack 9x.
A pinion 15x that meshes with the rail 15y that engages with the guide groove 9y is provided. In the binion 15x,
A motor 15a for rotating it is provided. The lower end of the wiper portion 15 is formed so as to correspond to the spray port 9a of the spray box. In addition, the wiper portion 15 includes a reinforcing member 15 that connects the front surface and the back surface.
b is provided. In addition, on the inner wall surfaces on the left and right of the spray box 9, the motor 15 is provided at a position in contact with the wiper portion 15.
A changeover switch (not shown) for changing the moving direction of the wiper portion 15 by changing the rotation direction of a is provided.

A holding plate 16 which is long in the width direction (horizontal direction) is provided at the upper opening of the spray box 9 and the left and right ends thereof are fixed to the left and right upper end parts of the spray box 9. Has been done. Sliding holes (not shown) are provided at two positions of the holding plate 16. The second support member 12 is provided above the holding plate 16. The second support member 12 is connected to two support rods 17 each having an engaging portion 17a at its tip. The support rod 17 is slidably inserted into the slide hole 16a of the holding plate 16, and when the second support member 12 is pulled up, the support rod 17 is lifted accordingly and the support rod 17 End engaging portion 17
By raising the holding plate 16 that engages with a, the spray box 9 is pulled up.

On the back surfaces of the supply tank 8 and the spray box 9, opening adjusting means for adjusting the opening amounts of the supply port 8a and the spray port 9a are provided in order to adjust the discharge amount of the paint. Here, FIG. 4 and FIG. 5 show the opening adjusting means provided in the spray box 9, (A) is a side view, and (B).
Is a rear view. And when operating the aperture adjusting means,
FIG. 4 shows a state in which the opening is narrow, and FIG. 5 shows the upper body with a large opening. As shown in these drawings, an adjusting plate 18 is arranged on the back surface of each of the supply tank 8 and the spray box 9. The adjusting plate 18 is formed with elongated sliding grooves 19 in the vertical direction at a plurality of positions, and pins 20 fixed to the rear surfaces of the supply tank 8 and the spray box 9 are slidably engaged with the adjusting plate 18. . The tip portion 20a of the pin 20 protruding from the sliding groove 19 has a larger diameter than the pin body portion. A second member such as a spring is provided around the pin 20.
An elastic member 21 is provided, one end of which is a pin tip portion 2
0a engages the adjusting plate 18 at the other end to urge each adjusting plate 18 toward the supply tank 8 and the spray box 9. In order to adjust the height position of the adjusting plate 18, that is, the opening amount of the supply port 8a and the spraying port 9a, each adjusting plate 18 is provided with an adjusting portion 18a at both left and right ends.
A screw 22 that engages with the adjusting portion 18a is provided. A handle 23 for rotating the screw is provided above the screw 22. Then, by rotating the handle 23, the sliding plate 18 is configured to slide in the vertical direction along the respective back surfaces of the supply tank 8 and the distribution box 9.

At the rear of the spray box 9, a leveling iron plate 10 is arranged to make the paint discharged from the spray box 9 uniform in thickness. This iron plate 10
The front portion is supported by the third support member 13 via the presser bar 13a, and is configured to move up and down as the third support member 13 moves in the vertical direction. Further, when the third support member 13 is lowered, the entire lower surface of the iron plate 10 is brought into close contact with the floor surface, or the iron plate 1 is kept at a constant width with the floor surface.
0 is provided with a third elastic member (not shown) which urges downward. Note that the iron plate 10 can change the angle according to the amount of coating material applied (the thickness of the coating film).

The first support member for supporting the supply tank 8 is a control lever 4x provided on the upper surface of the carriage 1.
This allows it to rotate in the vertical and front-back directions. As a result, the amount of paint supplied from the supply tank 8 to the spray box 9 can be adjusted. Also, the second and third support members 1 that support the spray box 9 and the iron plate 10.
Reference numerals 1 and 12 can be moved in the vertical direction by control levers 4d and 4e provided on the upper surface of the truck 1, respectively. Further, the second and third support members 11, 12 are
The adjustment handles (not shown) of the adjustment handles 4m and 4n provided on the carriage 1 are engaged with each other at the lower portion of the carriage. As a result, the respective support members are attached to the handles 4m, 4n on the upper surface of the carriage.
It is possible to rotate in the front-back direction by adjusting. In this case, when the handle 4m is rotated 1/4, the spray box 9 rotates about the second support member 11 as a fulcrum, and the spray of the paint is stopped. Further, by rotating the handle 4n, the pressing rod 13
The angle between a and the floor surface is adjusted so that the biasing force of the iron plate 10 on the floor surface is adjusted according to the conditions such as the concentration of the coating material and the desired thickness.

(2) Operation and effect of main embodiment The operation of the present embodiment configured as described above is as follows. That is, when the floor surface is coated with a high-viscosity paint for forming a thick film, first, the opening amounts of the supply port 8a of the supply tank and the spray port 9a of the spray box are adjusted according to the conditions such as the viscosity of the paint. adjust. This is done by adjusting the position of the adjusting plate 18 with the handle 23. Then, the paint for forming a thick film is put into the paint tank 5, the valve 6 is opened, and the paint in the paint tank 5 is supplied through the supply hose 7 to the supply tank 8.
Send to. Note that, with respect to the subsequent movement of the dolly 1 and the coating application work, the worker sits down on the seat 2. The trolley 1 is moved by the drive operation box 4a and the steer lever 4
It is performed by operating b. The application work is performed by operating the paint stopper pedal 4c, the spray box control lever 4d, and the iron plate control lever 4e.

The paint is sent to the supply tank 8 by opening the valve 6 of the paint tank 5 and releasing the paint stopper pedal 4c. In the supply tank 8, the paint collects from the tip of the bottom surface and follows the tapered bottom surface. And is accumulated in the supply tank 8. Since the supply tank 8 is light in the state where the inside is empty, the first elastic member 14
It is in a state of being rotated about the first support member 11 so that the front portion is pulled up. When the paint is sent to the supply tank 8 in this state, the weight of the paint accumulated on the bottom surface of the supply tank 8 causes the supply tank 8 to rotate forward around the first support member 11. When the paint has accumulated up to the supply port 8a, the paint is dripped from the entire supply port 8a and supplied to the spray box 9. When the paint is dropped from the supply tank 8 to the spray box 9, the supply tank 8 becomes lighter by that amount, and therefore the front portion of the supply tank 8 is pulled up by the first elastic member 14. Along with this, the liquid surface of the coating material comes to the first coating material position and further dripping is performed. Therefore, the paint is supplied from the supply tank 8 to the spray box 9 at a constant flow rate. Since the paint is dripped uniformly from the entire supply port 8a of the supply tank, the liquid level of the paint in the spray box 9 is
The height is always uniform.

The spray box 9 is lowered by operating the spray box control lever 4d during the coating operation. This is the second support member 1 by lever 4d.
2 descends, and the support bar 17 descends accordingly. As a result, the holding plate 16 supported by the engaging portion 17a of the support rod descends, and the spray box descends to a position where the spray port 9a contacts the floor surface. In this state, the paint is discharged from the spray port 9a to the floor surface.

At the same time when the spray box 9 is lowered, the iron plate control lever 4e is operated to lower the iron plate 10. This is the third support member 1 by lever 4e.
3 descends, and the presser bar 13a descends accordingly. As a result, the iron plate 10 provided at the tip of the presser bar 13a is lowered, and the third elastic member (not shown) of the presser bar 13a is further lowered.
Thus, the iron plate 10 is urged downward. Spray box 9
After confirming that the paint has been sprayed on the floor surface, the operator operates the operation box 4a to move the cart 1 forward. At this time, the paint sprayed from the spray box 9 to the floor surface is uniformly dispersed by the iron plate 10, and a coating film having a uniform thickness is formed on the floor surface.

When the work is suspended for a short time while the paint remains in the spray box, the handle 4m is rotated by 1/4 to rotate the spray box 9 around the second support member 11 as a fulcrum. Movement to stop the application of paint. However, in this case, since the load is applied to the second support member, the spraying is stopped by closing the opening of the spraying port 9a with the handle 23 for a long time.

In the coating apparatus of this embodiment as described above, the paint in the paint tank 5 is distributed through the supply tank 8 to the spray box 9
Therefore, the coating material becomes uniform in the spray box 9. Moreover, since the supply tank 8 rotates depending on the amount of the paint in the supply tank 8, a constant amount of paint is always supplied to the spray box 9 from the supply port 8a. Further, the thickness of the coating film controls the amount of coating material sprayed. This can be easily performed by adjusting the opening amounts of the supply port 8a of the supply tank and the spray port 9a of the spray box. This makes it possible to form a coating film having a required thickness according to the type of paint. Moreover, the adjusting plate 18, which is the adjusting means, has a simple structure, and anyone can easily perform the adjusting work.

Further, an elastic member (not shown) such as a spring is provided on the iron plate 10 for making the coating material have a uniform thickness and is constantly biased toward the floor surface, so that the floor surface is not uneven. Even in some cases, it is possible to apply the coating uniformly without causing coating unevenness such as pooling of the coating. The thickness of the paint can be adjusted not only by adjusting the spraying port of the spraying box but also by adjusting the angle of the iron plate.

Further, in this embodiment, the wiper portion 15 which moves along the inner wall surface of the spray box 9 is provided, so that the high viscosity coating material for forming the thick film is prevented from sticking to the wall surface. You can

Further, since the trolley 1 is moved by rotating the geared motor from the generator 3 via the cable, the coating apparatus can be made with less noise and vibration.

In this embodiment, a hose for sending is provided as a connecting means for connecting the paint tank 5 and the supply tank.
Since the pressing means is provided in this, the flow rate of the paint can be adjusted without providing a flow rate adjusting valve. Moreover, since the pressing means can be easily operated by the worker even during the painting work, an excellent device can be provided which facilitates the painting work.

As described above, when a high-viscosity coating material for forming a thick film is used to coat a floor surface using the coating apparatus of this embodiment, coating is always performed with a constant width and a uniform thickness. be able to. In addition, since the generator is installed, the operator can easily perform the coating with the high-viscosity paint for forming a thick film, which requires the specialized coating technique in the past, simply by operating the operating portion. As a result, even when a floor surface having a large area such as a warehouse is coated with a highly viscous paint, a high-quality uniform coating film can be formed on the entire floor surface in a short time.

(3) Other Embodiments Note that this embodiment is not limited to the above-mentioned embodiments, and the specific shapes of the respective members, or the mounting positions and methods of the respective members can be appropriately changed. .

For example, the supply tank 8, the spray box 9 and the iron plate 10 are not limited to being provided so as to project to the side portion of the carriage 1, but may be provided on the rear side in the traveling direction of the carriage. The position of the paint tank 5 is the same as that of the supply tank 8.
The position can be changed as appropriate.

The means for moving the trolley 1 is not limited to the generator 3, and other driving means can be used.

Further, the tip end portions of the sending hose 7 and the paint stopper pedal 4c are not limited to be engaged with the upper portion of the sending hose 7, but by engaging with a part of the sending hose 7. , A similar effect can be obtained. That is,
The flow rate of the paint in the inside can be adjusted by pushing up the sending hose 7 from the lower part to the upper part, pushing it from the rear part to the front part, or by pressing a part of the sandwiching uniform sending hose 7.

Further, the paint tank 5 is not limited to a cylindrical shape, and the lower surface may be formed in a funnel shape, for example. As a result, the paint inside the container can be reliably used without waste. In addition, the trolley 1 is not limited to being made of stainless steel, but is rust-proofed and anti-corrosive processed, and can be appropriately changed as long as it has appropriate strength. This also applies to other components.

The coating tank 5 and the supply tank 8 can also be provided with the wiper portion 15. As a result, it is possible to prevent the paint from sticking to the wall surface, and it is possible to provide an excellent coating device.

Further, the structure of the wiper portion is not limited to the above-mentioned embodiment, and the structure as shown in FIG. 6 may be adopted. In this, the upper part of the wiper part which moves along the front surface and the back surface of the spray box 9 is constituted by the frame 25,
The frame 25 is slidably provided on the front and rear upper edges of the distribution box 9 and the like. This frame is provided with a chain 26 provided on the upper part of the outer surface of one of the front and the rear of the distribution box or the like.
Is engaged with. The chain 26 is movably provided in the left-right direction by a sprocket 28 rotated by a motor 27. With the movement of the chain 26, the wiper portion 15 is movable in the left-right direction.
A changeover switch 29 is provided on the upper left and right inner wall surfaces of the container such as the spray box 9.
When the frame 25 of the wiper portion comes into contact with 9, the motor 27
The rotation direction of can be switched. In this way, the wiper unit 15 reciprocates in the left and right directions. In such a wiper portion, since the drive means such as the chain 26 and the motor 27 is provided outside the container such as the spray box 9, the paint does not adhere to this portion, and the wiper portion does not easily break down. Therefore, the wiper unit can always be reliably moved. In addition, such a wiper portion is formed by providing a certain width in the left-right direction. As a result, the spray box 9 and the wiper unit 1
Even if the guide groove and the engaging means such as the rail are not provided in 5, the influence of the viscosity of the thick film paint during movement is small. Further, since it is not necessary to provide an engaging means such as a guide groove and a rail inside the spray box 9, the wiper portion can be attached to and detached from the spray box and the like, which facilitates cleaning and maintenance work.

The means for rotating the supply tank 8 in the front-rear direction is not limited to the structure of the first elastic member 14 shown in the embodiment. For example, as shown in FIG. 7, the lower end of the first elastic member 11 is fixed to the lower part of the front surface of the supply tank 8, and the upper end thereof is located above the trolley 1 via a tension adjusting member 30 such as a turnbuckle. Fix it. Here, in order to set the upper end to the upper position of the carriage, a supporting portion 1x is provided on the carriage 1 and fixed to this. In such a configuration, since the tonicity adjusting member 30 is provided, the
It is possible to prevent the operating force of the elastic member 14 from decreasing.

Furthermore, the rotation of the supply tank 8 in the front-rear direction can be changed as follows. That is, the lower end of the first elastic member is fixed to the lower or lower position of the carriage 1, and the upper end is fixed to the upper part of the supply tank. As a result, the supply tank 8 is rotated forward when the amount of paint inside is large, and is vertical when the amount of paint is small or absent. Therefore, normally, the paint is not supplied from the supply tank 8 to the spray box 9 regardless of the opening amount of the supply port of the supply tank. Then, when the paint in the supply tank 8 is supplied to the spray box 9, the control lever 4x of the first support member 11 is operated to forcibly rotate the supply box 8 rearward. When the required amount is supplied to the spray box 9, the control lever 4x is returned to its original state. With this configuration, the required amount can be supplied to the spray box when necessary.

The means for urging the iron plate 10 downward may be provided with a weight other than the third elastic member.
In this, one end of the weight is provided at the connecting portion between the iron plate 10 and the pressing rod 13a, and the other end is vertically movable by a wire rope or the like. As a result, the upper surface of the iron plate 10 is pressed by the weight as necessary, so that the iron plate 10 can be brought into close contact with the floor surface in the direction of the floor surface or can maintain a constant width with the floor surface. In this case, an up / down lever is provided at the position of the operation part of the trolley to adjust the wire rope or the like. As a result, the worker can adjust the pressing force by the weight while sitting on the seat.

Further, in the present invention, a paint tank for a thin film having a low viscosity is separately installed, and a coating means or the like according to the viscosity can be detached by an easy means so that paints having different viscosities can be used on the same carriage. You can also do it.

[0054]

As described above, according to the coating apparatus of the present invention, even if a high-viscosity coating material for forming a thick film is used, it can be easily handled, and it can be uniformly applied to a large floor surface such as a warehouse. It is possible to form a coating film in various states. Moreover, it is possible to provide a coating apparatus which has a reduced work amount and a reduced work time and which has high work efficiency.

[Brief description of drawings]

FIG. 1 is a side view showing an embodiment of a coating apparatus of the present invention.

FIG. 2 is a plan view of FIG.

FIG. 3 is an enlarged side sectional view of a main part of FIG.

4A and 4B show opening adjusting means provided in the spray box of FIG. 1, FIG. 4A being a side view and FIG. 4B being a rear view.

5A and 5B show a state in which a spraying port of the spraying box in FIG. 4 is wide open, in which FIG. 5A is a side view and FIG.

FIG. 6 is a plan view showing an example of another embodiment and showing a configuration of a wiper unit.

FIG. 7 is a side view showing an example of another embodiment, showing a rotating means of the supply tank.

FIG. 8 is a perspective view showing a conventional coating device.

[Explanation of symbols]

 1 ... Truck 1a ... Tire 2 ... Seat 3 ... Generator 4 ... Operation part 4a ... Operation box 4b ... Steer lever 4c ... Paint stopper pedal 4d ... Spray box control lever 4e ... Iron board control lever 4m, 4n ... Adjustment handle 5 ... Paint tank 6 ... Valve 7 ... Streaming hose 8 ... Supply tank 8a ... Supply port 9 ... Spreading box 9a ... Spreading port 9x ... Rack 9y ... Guide groove 10 ... Iron plate 11 ... First support member 12 ... Second Support member 13 ... Third support member 13a ... Presser bar 14 ... First elastic member 15 ... Wiper part 15x ... Pinion 15y ... Rail 15a ... Motor 15b ... Reinforcing material 16 ... Holding plate 17 ... Support bar 17a ... Engagement part 18 ... Adjusting plate 18a ... Adjusting part 19 ... Sliding groove 20 ... Pin 20a ... Tip part 21 2nd elastic member 22 ... Screw member 23 ... Handle 24 ... Fixing member 25 ... Wiper part upper frame 26 ... Chain 27 ... Motor 28 ... Sprocket 29 ... Changeover switch 30 ... Tension adjustment member 31 ... Truck 32 ... Paint tank 33 ... Hand Cock 34 ... Hose 35 ... Multi-pore box 36 ... Spring damper 37 ... Roller 38 ... Level lever 39 ... First lever 40 ... Second lever

Claims (5)

[Claims] 1. A paint tank is placed on a movable carriage, and a supply tank connected to the paint tank is provided supported by the carriage. The supply tank is provided behind the supply tank with respect to the traveling direction of the carriage. A spreading box for spraying the paint supplied from the tank onto the floor is provided on the trolley, and a trowel that spreads the paint from the spreading box to a uniform thickness behind the spreading box in the traveling direction of the trolley. The plate is supported by the trolley, and a supply port for uniformly supplying the paint to the spray box is provided in the bottom or part of the side surface of the supply tank by opening in a direction orthogonal to the moving direction of the trolley. A coating device, characterized in that a spraying port for spraying paint on the floor is provided in a part of the bottom or side surface of the box, opening in a direction orthogonal to the moving direction of the carriage. 2. The supply tank or the spray box,
The coating apparatus according to claim 1, further comprising a wiper portion that moves along the inner wall surface. 3. The supply tank or the spray box,
2. The coating apparatus according to claim 1, further comprising opening adjusting means for adjusting the opening amount of the supply port or the spray port. 4. The coating apparatus according to claim 1, wherein a generator is used as a drive means for the carriage. 5. A sending hose is provided as a connecting means between the supply tank and the paint tank, and a part of the sending hose is provided in the sending hose as a flow rate adjusting device for the paint flowing inside. The coating apparatus according to claim 1, further comprising a pressing unit that presses.