JP7410549B2 - paint supply device - Google Patents

Description

The present invention relates to a paint supply device for applying paint to a paint tool.

Traditionally, painting tools for painting surfaces to be painted, such as walls of fences and buildings, have been used to apply paint by applying paint to a paint roller, or by applying paint to a paint belt stretched between each roller. It is known that the coating is applied using These painting tools are excellent for painting flat surfaces.

As a technique for applying paint to a coating roller or a coating belt of a coating tool, for example, the technique described in Patent Document 1 proposed by the applicant of the present application is known. That is, Patent Document 1 discloses that by moving a painting tool over a paint supply belt, the paint supply belt rotates and the paint in the container adheres to the paint supply belt; A paint supply tool is described in which paint is supplied to a roller or belt of a paint tool.

JP2013-82110A

According to the conventional paint supply tool mentioned above, it is possible to apply an appropriate amount of paint as evenly as possible to the coating roller or coating belt of the painting tool, but by moving the paint tool by hand, the paint can be supplied to the painting tool. Therefore, manual work is troublesome and time-consuming, which may place a burden on the worker.

Furthermore, since it is done by hand, depending on the amount of force applied by the operator, uneven adhesion of the paint to the painting tool may occur. For example, if too much paint adheres to the painting tool, when painting a wall using the painting tool, if the wall is tiled, paint tends to accumulate in the joints (grooves) between the tiles. There was also the problem that if paint buildup occurred, it would be necessary to repaint, resulting in double effort.

The present invention has been made by focusing on the problems of the conventional technology, and provides a paint supply device that can simply and easily apply an appropriate amount of paint to a painting tool evenly and quickly. is intended to provide.

In order to achieve the above-mentioned object, one aspect of the present invention is a paint supply device for supplying paint to a painting tool, which includes:
A paint supply conveyor in which a paint supply belt is stretched between an upper roller placed on the upper side and a lower roller placed on the lower side;
A conveyor holder that holds the paint supply conveyor at a predetermined height such that the lower roller is immersed in paint in a paint container, and allows the paint tools to be placed in a stacked state on the paint supply belt along the upper roller. A stand and
The present invention is characterized by comprising a drive means for rotating the paint supply belt by power and supplying the paint attached to the paint supply belt to the painting tool.

According to the paint supply device according to the present invention, it is possible to simply and easily apply an appropriate amount of paint to a painting tool uniformly and quickly.

FIG. 2 is a side view schematically showing a paint supply device. FIG. 3 is a plan view showing the paint supply device. It is a front view showing a paint supply device. FIG. 3 is a side view showing the paint supply device. FIG. 3 is a longitudinal cross-sectional view showing the paint supply device. It is a top view which shows the conveyor holding stand of a paint supply apparatus. It is a side view which shows the conveyor holding stand of a paint supply apparatus. FIG. 3 is a perspective view showing a paint supply conveyor of the paint supply device. FIG. 3 is a side view showing a paint supply conveyor of the paint supply device. FIG. 3 is a front view showing a paint supply conveyor of the paint supply device. FIG. 3 is a plan view showing a paint supply conveyor of the paint supply device. It is a bottom view showing a paint supply conveyor of a paint supply device. It is a perspective view showing a painting tool. It is a side view showing a painting tool. It is a front view showing a painting tool.

Hereinafter, representative embodiments of the present invention will be described based on the drawings.
1 to 15 illustrate one embodiment of the invention.
As shown in FIG. 1, the paint supply device 10 according to the present embodiment includes a paint supply conveyor 11 that supplies a paint P such as paint contained in a paint container 1 to a painting tool 100, and a paint supply conveyor 11 that holds the paint supply conveyor 11. and a conveyor holding stand 20 which is attached to the paint container 1.

<Paint supply conveyor 11>
As shown in FIGS. 1 and 8 to 12, the paint supply conveyor 11 includes a paint supply belt 14 stretched between an upper roller 12 disposed on the upper side and a lower roller 13 disposed on the lower side. In this embodiment, the upper roller 12 is two upper rollers 12A and 12B lined up at both ends, and the lower roller 13 is one. Note that when the two upper rollers 12A and 12B are collectively referred to as upper roller 12.

As shown in FIG. 2, a plurality of protrusions 121 are provided so as to be scattered on the outer peripheral surface of the upper roller 12A on one end side. Furthermore, driven gears 122 are integrally provided at both ends of the upper roller 12A on one end side. The outer peripheral surfaces of the upper roller 12B and the lower roller 13 on the other end side are respectively smooth surfaces.

Both ends of the upper roller 12 and the lower roller 13 are rotatably supported by a pair of support members 15 . The support member 15 is made of, for example, a T-shaped metal plate when viewed from the side. The upper centers of horizontal portions 15a of the supporting members 15 each extending in the lateral direction are connected via a connecting member 16 with an interval slightly longer than the full length of each roller 12, 13 between them. The upper rollers 12A and 12B are supported by shafts parallel to each other at both ends of the horizontal portion 15a.

A downwardly extending hanging portion 15b is connected to the center of the lower end of the horizontal portion 15a of the support member 15, and the lower roller 13 is pivotally supported on the lower end side of this hanging portion 15b. Note that the upper roller 12 and the lower roller 13 can be pivotally supported by fixing the respective shafts between the supporting members 15 and then mounting the rollers 12 and 13 rotatably around the shafts, or Alternatively, an integral shaft of each roller 12, 13 may be rotatably inserted through each support member 15.

The connecting member 16 connecting the supporting members 15 is made of, for example, a narrow metal plate, and the paint supply belt 14 is also stretched over the upper surface of the connecting member 16 . Guide portions 16a are provided at both ends of the connecting member 16 to restrict movement of the paint supply belt 14 in the width direction. Each guide portion 16a is made of, for example, a projecting piece that projects upward. Note that the mounting position of each roller 12, 13 with respect to the support member 15 may be configured to be adjustable by, for example, providing a plurality of shaft-supporting holes in parallel.

A paint supply belt 14 is stretched between the upper roller 12 and the lower roller 13 for soaking and adhering the paint P and supplying the adhered paint P to a coating tool 100, which will be described later. The paint supply belt 14 is, for example, an endless belt in which fibers are formed into a mesh shape so that the paint P can easily adhere to it, but it is not limited thereto, and may be made of any material to which the soaked paint P can easily adhere. Any material to which P can easily adhere is sufficient.

In each figure, the paint supply belt 14 is shown as being in contact with the outer peripheral surface of the lower roller 13, but the paint supply belt 14 loosens loosely when it is stretched over the upper roller 12 and the lower roller 13. It may be of some length. In addition, if the paint supply conveyor 11 is one in which the position of the lower roller 13 can be changed, paint supply belts 14 of different lengths are prepared and the paint supply belt 14 is also replaced according to the position of the lower roller 13. Good.

As shown in FIG. 8, the upper end side of the horizontal portion 15a of each support member 15 is bent outward to form a flange-shaped held portion 15c. This held portion 15c is a portion held by a conveyor holding stand 20, which will be described later.

As shown in FIG. 9, a back side adjustment means 17 is provided between the supporting members 15, 15 at a position near the upper roller 12B on the other end side to scrape off paint that has adhered too much to the back side of the paint supply belt 14. ing. The back side adjusting means 17 is made of, for example, a plate-like member, and is arranged between the upper roller 12B and the lower roller 13 on the other end side so as to face the back side of the paint supply belt 14 on which paint is adhered. The plate-shaped tip edge of the back side adjustment means 17 is in sliding contact with the back side of the paint supply belt 14, and to be more precise, the paint supply belt 14 is also stretched over the back side adjustment means 17. .

In addition, a plurality of holes or slits penetrating the front and back of the plate are provided at appropriate positions on the back side adjusting means 17 in order to cause the scraped paint to fall downward (to the paint container 1) and return. The back side adjusting means 17 may be constructed such that the edge side that contacts the back side of the paint supply belt 14 can move forward and backward by, for example, rocking, or may be biased by a spring or the like in the direction in which it comes into contact with the back side of the paint supply belt 14. It may be energized by means.

<Conveyor holding stand 20>
As shown in FIG. 1, the conveyor holding stand 20 is a member that holds the paint supply conveyor 11 at a predetermined height such that its lower roller 13 is immersed in the paint P in the paint container 1. Here, the conveyor holding stand 20 can place the coating tools 100 in a stacked state on the paint supply belt 14 along the upper roller 12 of the held paint supply conveyor 11.

As shown in FIGS. 2 to 6, the conveyor holding stand 20 is constructed of a rectangular frame made of, for example, a metal frame, and has one end 21 and the other end 22 forming the short sides, and both sides forming the long sides. End portions 23, 23 are provided. An opening inside the upper surface of each of the ends 21 to 23 serves as a holding portion 24 for holding the paint supply conveyor 11. Here, the held portions 15c of each support member 15 in the paint supply conveyor 11 are placed on the upper surfaces of both side end portions 23, 23, so that the paint supply conveyor 11 is held on the conveyor holding stand 20.

The paint supply conveyor 11 is in a state in which each of the rollers 12 and 13 is parallel to the conveyor holding table 20 with one end 21 and the other end 22 . A drive roller 25 adjacent to the upper roller 12A is rotatably supported between the side ends 23 at a position near the one end 21 of the holding portion 24 . The outer peripheral surface of the drive roller 25 is provided with a plurality of vertical grooves 252 that are lined up in the circumferential direction and extend in the axial direction. Furthermore, drive gears 251 are integrally provided at both ends of the drive roller 25.

The drive gear 251 of the drive roller 25 is rotatably engaged with the driven gear 122 of the upper roller 12A. Therefore, the rotational force of the drive roller 25 is transmitted to the upper roller 12A, and the paint supply belt 14 is rotationally driven. In FIG. 4, the driving gear 251 rotates counterclockwise, and the upper roller 12A rotates clockwise. Therefore, in FIG. It rotates so as to move toward the roller 12A.

Furthermore, the protrusion 121 on the outer peripheral surface of the upper roller 12A can be engaged with a vertical groove 252 on the outer peripheral surface of the drive roller 25 through the paint supply belt 14. That is, the drive roller 25 and the upper roller 12A that mesh with the drive roller 25 have gears 122 and 251 that mesh with each other, as well as projections and depressions (protrusions 121 and longitudinal grooves) on the outer periphery of each that can be engaged with the paint supply belt 14 in between. A groove 252) is formed, and power can also be transmitted through this engagement relationship.

As shown in FIGS. 2 and 3, in the conveyor holding stand 20, a gear box 26 protruding outward is provided at a position near the one end 21 of one side end 23. As shown in FIGS. One end of the shaft of the drive roller 25 protrudes into the gear box 26, and a first bevel gear 27 is fixed to this one end. A second bevel gear 28 that meshes with and rotates with the first bevel gear 27 is also provided within the gear box 26 .

The second bevel gear 28 is rotatably supported via an axis perpendicular to the axis of the first bevel gear 27 . The upper end of the shaft of the second bevel gear 28 is exposed above the gear box 26, and a power input section 29 for inputting the rotational force of, for example, an electric drill as a power source is provided at this upper end. It is sufficient that the power input section 29 has a structure that simply engages with the driver at the end of the electric drill and rotates in synchronization.

The drive roller 25 constitutes a "driving means" together with an electric drill that rotates it via a gear mechanism (first bevel gear 27 and second bevel gear 28). In addition, as a power source, an electric motor (not shown) is provided with a gear box 26 instead of the electric drill, and the second bevel gear 28 is directly or indirectly connected to the output shaft of the electric motor so that the power can be transmitted. Also good.

As shown in FIGS. 4 and 5, a front adjustment means 30 for scraping off paint excessively attached to the surface of the paint supply belt 14 is provided between both ends 23 and 23 at a position closer to the other end 22. ing. The front side adjustment means 30 is made of, for example, a plate-like member, and is arranged between the upper roller 12B on the other end side of the upper roller 12 and the lower roller 13 so as to face the surface of the paint supply belt 14 on which paint is adhered. has been done.

The front side adjusting means 30 is attached between both end portions 23 and 23 via a horizontal shaft 31 so that the plate-shaped leading edge 32 can swing in the front-rear direction so as to move toward or away from the surface of the paint supply belt 14. It is being The front end edge 32 side of the front side adjustment means 30 is bent upward at a substantially right angle, and the upward end edge 32 is in sliding contact with the surface of the paint supply belt 14 .

The plate-shaped proximal edge 33 side of the front side adjustment means 30 is inserted into a slit 35 of a press plate 34 placed between the both side ends 23, 23. By moving the pressing plate 34 here, the strength with which the leading edge 32 of the front side adjusting means 30 contacts the surface of the paint supply belt 14 can be adjusted. An adjustment screw 22a is screwed into the other end 22 of the conveyor holding stand 20, protruding toward the holding plate 34 inside thereof, and for adjusting the fixing position of the holding plate 34. The front side adjusting means 30, whose base end edge 33 swings within the width of the slit 35, is preferably biased by a spring in the direction of contacting the surface of the paint supply belt 14.

As shown in FIGS. 2 and 4, the conveyor holding stand 20 includes a support means 40 that supports a coating tool 100, which will be described later, on the paint supply belt 14 in a detachable and position-adjustable manner. The support means 40 is installed between both side ends 23, 23 at a position near the other end 22 of the conveyor holding stand 20. The support means 40 includes both side parts 41, 41 that are placed over the both side ends 23, 23 from above, and a support part 42 that connects the both side parts 41, 41. The support means 40 also plays the role of fixing the presser plate 34 from above, and the supporter 42 has a fixing member that protrudes toward the presser plate 34 on the lower side and engages with the presser plate 34 from above. A screw 43 is screwed together.

Upward brackets 44 that support the painting tool 100 are provided at both ends of the support portion 42 . Each bracket 44 is screwed from the inside with a mounting screw 45 that removably hooks the other end of the paint tool 100 and supports it in a lifted state. Here, a plurality of screw holes 46 into which the mounting screws 45 are screwed are arranged in parallel, and are configured so that the position at which the other end of the painting tool 100 is supported can be adjusted. A coating tool 100, which will be described later, is placed on the paint supply belt 14 with the other end raised by the support means 40.

<Paint container 1>
As shown in FIG. 1, the conveyor holding stand 20 is housed in the paint container 1. As shown in FIG. Here, the conveyor holding stand 20 is housed in a fixed position at a predetermined height such that the lower roller 13 of the paint supply conveyor 11 is immersed in the paint P in the paint container 1. A frame 2 for holding the periphery of a conveyor holding stand 20, for example, is attached to the inner wall of the paint container 1 via a bracket 3 or the like. Note that the specific shape and size of the paint container 1 are design matters that can be determined as appropriate.

<Painting tools 100>
Next, the coating tool 100 will be explained. As shown in FIGS. 13 to 15, the coating tool 100 that receives paint P from the paint supply device 10 has a plurality of (for example, four) rollers 101 supported parallel to each other by a holder 102 having a U-shaped cross section. A coating belt 103 is stretched around each roller 101. A grip handle 104 is attached to the upper surface side of the holder 102. Note that the grip handle 104 may be configured by, for example, a long bar-shaped handle other than the one shown.

Furthermore, the coating tool 100 may not include the coating belt 103. That is, each roller 101 is coated by dipping the paint P into it. In this case, the outer periphery of each roller 101 is formed of a material such as fiber to which the paint P easily adheres. It is preferable that the entire length of the roller 101 is equal to or less than the length of one end 21 (the other end 22), which is the short side of the conveyor holding stand 20, and further, the width of the paint supply belt 14 of the paint supply conveyor 11. It is preferable that the length is approximately the same as that of the length.

<Operation of paint supply device 10>
Next, the operation of the paint supply device 10 according to this embodiment will be explained.
As shown in FIG. 1, in order to supply the paint P from the paint supply device 10 to the painting tool 100, a conveyor holding stand 20 is set in a pre-positioned framework 2 within the paint container 1 containing the paint P. do. Subsequently, the paint supply conveyor 11 is held so as to be inserted into the opening of the holding part 24 of the conveyor holding stand 20.

The paint supply conveyor 11 is held such that the held portion 15c thereof hangs over the periphery of the opening of the holding portion 24. Here, the paint supply conveyor 11 may be held in advance by the holding portion 24 of the conveyor holding stand 20 and then set in the frame 2 within the paint container 1. The paint container 1 contains an amount of paint P such that the paint supply belt 14 hanging on the lower roller 13 of the paint supply conveyor 11 is immersed in the paint P.

When the settings of the paint supply device 10 are completed, preparations for supplying the paint P to the coating tool 100 are completed. In FIG. 1, in order to supply the paint P in the paint container 1 to the painting tool 100, the painting tool 100 is placed in a stacked state on the paint supply belt 14 that runs between the upper rollers 12A and 12B on the paint supply conveyor 11. place Here, one end of the painting tool 100 overlaps the upper roller 12A at one end with the paint supply belt 14 in between, while the other end is spaced upwardly from the upper roller 12B at the other end by the support means 40. It will be placed.

In the support means 40, mounting screws 45 whose positions can be adjusted through a plurality of screw holes 46 are screwed into upward brackets 44 at both ends of the support portion 42 from the inside. Notches 105 at both ends of the holder 102 of the painting tool 100 can be locked. Thereby, the painting tool 100 can be placed on the paint supply belt 14 so that the other end side is lifted and the position does not shift.

In this manner, with the coating tool 100 placed on the paint supply belt 14, the paint supply belt 14 is rotated by electric power. That is, in FIG. 3, a driver (not shown) at the end of an electric drill is engaged with the power input section 29 on the gear box 26 to rotate the drill. Then, the second bevel gear 28 coaxial with the power input section 29 rotates, the rotational force is transmitted to the first bevel gear 27 with which the second bevel gear 28 meshes, and the drive roller 25 integrated with the first bevel gear 27 rotates. Rotate.

In FIG. 4, when the drive roller 25 rotates counterclockwise in the figure, the drive gear 251 also rotates counterclockwise, and the driven gear 122 that meshes with the drive gear 251 rotates clockwise in the figure, so one end The side upper roller 12A also rotates clockwise. Therefore, the paint supply belt 14 immersed in the paint P rotates clockwise in FIG. 1 while the paint P remains attached.

In this way, when the paint supply belt 14 rotates by electric power, the paint P adhering to the paint supply belt 14 is applied to the painting belt 103 of the painting tool 100 placed so that one end overlaps with the paint supply belt 14. can be supplied as follows. At this time, the coating belt 103 of the coating tool 100 also rotates due to the frictional force in contact with one end of the coating material supply belt 14.

Therefore, the paint P can be applied evenly over the entire length of the coating belt 103. Here, the amount of paint P deposited on the coating belt 103 of the coating tool 100 can be adjusted as appropriate by the user's judgment. That is, if a small amount of paint P is to be applied uniformly, the number of times the paint supply belt 14 is used may be reduced. On the other hand, if it is desired to increase the amount of paint P deposited, it is sufficient to increase the number of times the paint supply belt 14 is turned.

<Configuration and effects of the present invention>
Although the embodiments of the present invention have been described above, the present invention is not limited to the embodiments described above. The present invention derived from the embodiments described above will be described below.

The present invention provides a paint supply device 10 for supplying paint P to a painting tool 100, which includes:
A paint supply conveyor 11 having a paint supply belt 14 stretched between an upper roller 12 disposed on the upper side and a lower roller 13 disposed on the lower side;
The paint supply conveyor 11 is held in a state in which the lower roller 13 is immersed in the paint P in the paint container 1, and the paint tool 100 is placed on the paint supply belt 14 along the upper roller 12 in a stacked state. a conveyor holding stand 20 that can be placed;
A drive means for rotating the paint supply belt 14 by power and supplying the paint P attached to the paint supply belt 14 to the painting tool 100 is provided.

According to the present paint supply device 10, an appropriate amount of paint can be applied to the coating tool 100 simply and easily, uniformly and quickly. For example, if the paint supply belt 14 is rotated manually, the work itself is troublesome and the paint tends to adhere unevenly. However, by rotating the paint supply belt 14 by power, the amount of force applied is uniform and the appropriate amount is always applied. It becomes possible to supply paint.

Further, according to the present paint supply device 10, the drive means includes a drive roller 25 that meshes with and rotates one of the plurality of upper rollers 12 on one end side, and a power that rotates the drive roller 25 via a gear mechanism. Provided with a source and.
With such a simple configuration, the driving means can be realized.

Further, according to the present paint supply device 10, the drive roller 25 and the upper roller 12A that mesh with the drive roller 25 have gears 122 and 251 that mesh with each other, as well as the paint supply belt 14 on the outer periphery of each. The projections and depressions (protrusions 121 and vertical grooves 252) that can be engaged with each other are formed.
As a result, not only can power be transmitted through the engagement relationship between the projections and depressions (protrusions 121 and longitudinal grooves 252), but also it is possible to prevent the paint supply belt 14 from rotating idly with respect to the upper roller 12A.

Further, according to the present paint supply device 10, adjusting means 17, 30 are arranged at positions where they can come into contact with the front or back surface of the paint supply belt 14, and scrape off the paint P that has adhered too much to the paint supply belt 14. Equipped with
Thereby, it is possible to prevent an excessive amount of paint P from adhering to the paint supply belt 14, and it is possible to supply an appropriate amount of paint P to the coating tool 100.

Further, the present paint supply device 10 includes a support means 40 that supports the coating tool 100 on the paint supply belt 14 in a detachable and position-adjustable manner.
Thereby, the coating tool 100 can be placed on the paint supply belt 14 in an optimal posture without shifting.

Although the embodiments of the present invention have been described above with reference to the drawings, the specific configuration is not limited to the above-described embodiments, and the present invention may be modified or added without departing from the gist of the present invention. included. For example, the number of upper rollers 12 is not limited to two. Further, the number of lower rollers 13 is not limited to one, and a plurality of rollers may be provided in parallel.

INDUSTRIAL APPLICABILITY The present invention can be widely used in a paint supply device for applying paint to a roller or belt-type paint tool.

1... Paint container P... Paint 10... Paint supply device 11... Paint supply conveyor 12... Upper roller 13... Lower roller 14... Paint supply belt 17... Back side adjusting means 20... Conveyor holding stand 30... Front side adjusting means 40... Supporting means 100 …Painting tools

Claims (3)

In a paint supply device for supplying paint to a painting tool,
A paint supply conveyor in which a paint supply belt is stretched between an upper roller placed on the upper side and a lower roller placed on the lower side;
a conveyor holding stand capable of holding the paint supply conveyor in a state in which the lower roller is immersed in the paint in the paint container and placing the painting tools in a stacked state on the paint supply belt along the upper roller; ,
A driving means for rotating the paint supply belt by power and supplying the paint attached to the paint supply belt to the painting tool ,
The driving means includes a driving roller that meshes with and rotates one of the plurality of upper rollers on one end side, and a power source that rotates the driving roller via a gear mechanism,
The paint supply device is characterized in that the drive roller and the upper roller that mesh with the drive roller have gears that mesh with each other, as well as projections and recesses that can be engaged with the paint supply belt on their outer peripheries. . 2. The paint supply device according to claim 1 , further comprising an adjusting means disposed at a position where it can come into contact with the front or back surface of the paint supply belt and scraping off paint excessively adhered to the paint supply belt. 3. The paint supply device according to claim 1, further comprising support means for supporting the paint tool on the paint supply belt in a detachable and positionally adjustable manner.

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