KR20230127083A - A panel The painting machine that can obtain painting layer - Google Patents

Abstract

The present invention relates to a panel painting device for obtaining a uniform painting layer. For this end, the panel painting device comprises: a painting roller rotating through a rotating shaft connected to a motor; a cylindrical housing externally built-in with a gap between the painting rollers and having an opening through which the painting roller is partially exposed; an upper case coupled to an upper part of the housing so that the rotating shaft of the painting roller is exposed, and coupled to a paint supply hose that supplies paint so that the paint flows in through the gap to form a paint film on a surface of the painting roller; a paint control means connected to a side of the opening of the housing to adjust the paint film applied to the surface of the paint roller to a uniform thickness; a lower case coupled to a lower part of the housing to temporarily store and discharge the paint; and a paint storage tank connected via a support case supporting the lower case to circulate the paint discharged from the lower case and re-supply the paint to the paint supply hose. In the painting roller, an elastic urethane layer of a certain thickness is built-in so that the paint can penetrate evenly into fine pores formed in the panel. The present invention can form a uniform coating layer.

Description

Panel coating device that can obtain a uniform coating layer {A panel The painting machine that can obtain painting layer}

The present invention relates to a panel coating apparatus capable of obtaining a uniform coating layer, and more particularly, to form a uniform coating film on the surface of a coating roller to improve the quality of the coating layer coated on the surface of a panel. In order to allow the paint to penetrate uniformly into the micropores formed on the surface of the panel, the paint roller is covered with a urethane layer, and the scraper is composed of a compressed wool block to correct the eccentricity error of the urethane layer due to rotation. It relates to a panel coating device capable of obtaining a uniform coating layer.

In general, panels used for home or office display cases, bookshelves, bookshelves, or various sinks or work tables are made of synthetic resin panels, medium-density fiberboards (MDF), synthetic wood, or natural wood to be processed into panels of a certain size.

After polishing the surface (front, rear and outer circumferential surface) of the panel manufactured to a certain size as described above, the surface is coated with various paints such as paint, ultraviolet paint (UV paint) or urethane paint (primary painting), Through painting work such as middle coat (second coat) and top coat (third coat), gloss formation and strength reinforcement make the appearance more beautiful and durability is improved.

Currently, the surface work of panels is handled by an automated process through a mechanized device to quickly paint a large amount of panels.

As a prior art related to such a panel painting device, there is Korean Patent Registration No. 10-1488187 filed and patented by the present applicant.

However, in the prior art, since the painting roller is made of a metal material, the paint does not penetrate into the micropores of the panel, so the quality of the painted surface is deteriorated.

In addition, the prior art has a problem in that the supplied paint is not uniformly applied to the surface of the paint roller, but is randomly applied and the paint film of the paint roller exposed on the opening of the housing is non-uniform.

Republic of Korea Patent No. 10-1488187

The present invention has been devised in view of the above problems, and the first object of the present invention is to construct a coating roller with an exterior urethane layer so that the paint can be uniformly penetrated into the micropores formed on the surface of the panel, and in addition to the scraper It is to provide a panel coating device capable of obtaining a uniform coating layer capable of correcting the eccentricity error of the urethane layer due to rotation by configuring a compressed wool block.

A second object of the present invention is to provide a panel coating device capable of obtaining a uniform coating layer so that a sufficient coating film can be formed on the surface before the coating roller is exposed to the opening by rotation.

The third object of the present invention is to replace the scraper with a wool block to correct the surface error of the urethane layer by the elasticity and fine cilia peculiar to wool, and in particular, the rotation of the urethane layer caused by the rotation of the painting roller It is an object of the present invention to provide a panel coating device capable of obtaining a uniform coating layer capable of correcting eccentricity errors.

According to the characteristics for achieving the above object, the first invention relates to a panel coating apparatus capable of obtaining a uniform coating layer, and for this purpose, a painting roller rotating through a rotational shaft connected to a motor; A cylindrical housing exteriorized with a “gap” between the painting rollers and having an opening through which the painting roller is partially exposed; An upper case coupled with a paint supply hose for supplying paint so that a paint film can be formed on the surface of the paint roller; and connected to the side of the opening of the housing to adjust the paint film applied to the surface of the paint roller to a uniform thickness. A paint control means; and a lower case coupled to the lower part of the housing to temporarily store and discharge paint; and a support case supporting the lower case connected via a medium to supply paint by circulating the paint discharged from the lower case. A paint storage tank for resupply by a hose; wherein the paint roller is coated with an elastic urethane layer having a certain thickness so that the paint can be uniformly penetrated into the micropores formed in the panel. Uniform painting It is characterized in that it can form a layer.

In the second invention, in the first invention, a film plate having an acute-angled incision is formed on the inner upper part of the housing to prevent the paint supplied through the paint supply hose from directly contacting the rotating paint roller. Further, the film plate blocks the upper part of the opening formed in the housing to prevent the paint from flowing out to the surface of the painting roller exposed on the opening to prevent the formation of an uneven coating film.

The third invention is characterized in that, in the second invention, a blocking film block close to the upper surface of the painting roller is further coupled to an end of the cutout of the film plate at a position close to the opening.

In the fourth invention, in the first invention, the paint control means advances and retreats the slide block by supporting a fixed block fixed to the housing, a slide block slidably coupled to the fixed block, and a support block fixed to the fixed block. It is characterized in that it consists of a distance adjusting bolt and a scraper fixed to the slide block and adjusting the coating film applied to the surface of the painting roller to a certain thickness.

In the fifth invention, in the fourth invention, the scraper is characterized in that it is possible to obtain a paint layer characterized in that it is made of a highly compressed wool block.

In the sixth invention, in the fifth invention, the wool block is characterized in that the gelatin layer is partially coated at the contact end in contact with the painting roller.

According to the panel coating device capable of obtaining a uniform coating layer of the present invention, the paint can be uniformly penetrated into the micropores formed on the surface of the panel by externally constructing the urethane layer on the painting roller, thereby improving the quality of the coating layer painted on the panel. It has the effect of improving quality.

In addition, by replacing the scraper with a wool block, the surface error of the urethane layer can be corrected by the elasticity and fine cilia peculiar to wool, and in particular, the rotational eccentricity error of the urethane layer generated by the rotation of the painting roller can be corrected. It works.

In addition, by accumulating the paint at the rear of the opening through the film plate and the blocking film block and inducing and discharging the paint through the gap at that position, a sufficient film is formed on the surface before the painting roller is exposed to the opening by rotation.

1 is a perspective view of a panel coating device capable of obtaining a uniform coating layer of the present invention;
Figure 2 is a real picture showing the main part of Figure 1,
Figure 3 is a real picture showing the wool block of Figure 1,
4 is an exploded perspective view of a panel coating device capable of obtaining a uniform coating layer of the present invention;
Fig. 5 is a partial perspective view showing a membrane plate and a blocking membrane block coupled to the membrane plate by removing the upper case coupled to the housing in Fig. 1;
Figure 6 is a cross-sectional view of Figure 1;
7 is a conceptual operation view of the panel coating device capable of obtaining a uniform coating layer according to the present invention.

Objects, other objects, features and advantages of the present invention below will be easily understood through the following preferred embodiments in conjunction with the accompanying drawings. However, the present invention is not limited to the embodiments described herein and may be embodied in other forms.

Rather, the embodiments introduced herein are provided so that the disclosed content will be thorough and complete and the spirit of the present invention will be sufficiently conveyed to those skilled in the art.

Embodiments described and illustrated herein also include complementary embodiments thereof.

In this specification, singular forms also include plural forms unless specifically stated otherwise in a phrase. The terms 'comprise' and/or 'comprising' used in the specification do not exclude the presence or addition of one or more other elements.

Hereinafter, the present invention will be described in detail with reference to the drawings. In describing the specific embodiments below, various specific details have been prepared to more specifically describe the invention and aid understanding. However, readers who have knowledge in this field to the extent that they can understand the present invention can recognize that it can be used without these various specific details. In some cases, it is mentioned in advance that parts that are commonly known in describing the invention and are not greatly related to the invention are not described in order to prevent confusion in describing the present invention.

Hereinafter, a panel coating apparatus capable of obtaining a uniform coating layer according to the present invention will be described in detail together with the accompanying drawings.

Figure 1 is a perspective view of a panel painting device capable of obtaining a uniform coating layer of the present invention, Figure 2 is a real picture showing the main part of Figure 1, Figure 3 is a real picture showing the wool block of Figure 1, Figure 4 is an exploded perspective view of a panel painting apparatus capable of obtaining a uniform coating layer of the present invention, and FIG. 5 is a partial perspective view showing a film plate and a blocking film block coupled to the film plate by removing the upper case coupled to the housing in FIG. 1 FIG. 6 is a cross-sectional view of FIG. 1, and FIG. 7 is a conceptual operation view of a panel coating device capable of obtaining a uniform coating layer according to the present invention.

As shown in FIGS. 1 to 7, the present invention can improve the quality of the paint layer coated on the surface of the panel by forming a uniform film on the surface of the paint roller, as well as micropores formed on the surface of the panel. To ensure uniform penetration of the paint, a urethane layer is further combined with the paint roller, and a scraper is composed of compressed wool blocks to obtain a uniform paint layer that can compensate for the eccentricity error of the urethane layer due to rotation. It relates to a panel coating device 100 that can be.

The panel coating device 100 capable of obtaining a uniform coating layer of the present invention is largely composed of five parts, which include a painting roller 10, a housing 20, an upper case 30, and a lower case ( 50) and a paint storage tank 70.

The painting roller 10 has a structure that rotates through a rotating shaft 12 connected to a motor M.

As shown in FIGS. 2 and 4 , such a painting roller 10 is configured by being covered with an elastic urethane layer 11 so that the paint can be uniformly penetrated into the micropores formed on the surface of the panel.

In addition, since the rotating shaft 12 of the painting roller 10 is connected to the driving shaft of the driving motor M via the clutch 13, when the traveling speed of the panel is faster than the rotational speed of the painting roller 10, The painting roller 10 may be configured to be rotated according to the traveling speed of the panel.

In addition, as shown in FIGS. 2 and 6, the housing 20 has a “gap G” through which paint can flow between the paint roller 10 so that the paint film can be applied to the surface of the paint roller 10. It is a structure that is left behind.

Here, the paint supplied through the paint supply hose 31 to be described later flows in through the “gap G” to form a coating film on the surface of the painting roller 10.

In addition, the housing 20 forms an opening 21 through which the painting roller 10 is partially exposed, so that the painting layer can be painted by contact with the panel.

In addition, the upper case 30 is coupled to the upper part of the housing 20 so that the rotating shaft 12 of the painting roller 10 is exposed, and the paint flows in through the gap G to It is configured by combining a paint supply hose 31 for supplying paint so that a paint film can be formed on the surface.

At this time, as shown in FIGS. 4 to 7, the inner upper portion of the housing 20 prevents the paint supplied through the paint supply hose 31 from directly contacting the rotating painting roller 10. In order to do this, the film plate 22 having the cutout 221 cut at an acute angle may be further coupled to the structure.

Here, the cutout 221 is formed in the direction of 1 o'clock to 4 o'clock in an embodiment, and sufficient paint flows on the surface of the painting roller 10 before the painting roller 10 is exposed to the opening 21 by rotation. function to allow

In addition, the film plate 22 functions to eliminate rotational interference generated when paint falls onto the painting roller 10 .

In addition, the film plate 22 blocks the upper part of the opening 21 formed in the housing 20 to prevent the paint from flowing out to the surface of the painting roller 10 exposed on the opening 21 to form an uneven coating film. function to

In addition, the cutout 221 of the film plate 22 is formed by further coupling a blocking film block 222 close to the upper surface of the painting roller 10 to an end close to the opening 21 .

The blocking film block 222 accumulates the paint guided in the direction of the blocking film by the rotating centrifugal force of the painting roller 10 at the rear position of the opening 21, and the accumulated paint accumulates in the "gap G" of that position. ", it functions to form a sufficient coating film on the surface before the painting roller 10 is exposed to the opening 21 by rotation.

Meanwhile, the paint control means 40 is connected to the side of the opening 21 of the housing 20 and functions to adjust the paint film applied to the surface of the paint roller 10 to a uniform thickness.

As shown in FIGS. 1 and 2, the paint control means 40 includes a fixing block 41 fixed to the housing 20, a slide block 42 slidingly coupled to the fixing block 41, and , the distance adjusting bolt 43 that advances and retreats the slide block 42 by supporting the support block 411 fixed to the fixing block 41, and the painting roller 10 fixed to the slide block 42 It consists of a scraper that adjusts the constant thickness of the coating film applied to the surface of the

Here, the scraper advances and retreats by the distance adjusting bolt 43 to uniformly apply the coating film formed on the painting roller 10.

At this time, the scraper is preferably made of a highly compressed wool block 44, as shown in FIG.

The wool block 44 adjusts the coating film formed on the surface of the urethane layer 11 of the painting roller 10 to a certain thickness by the fine cilia formed on the surface, resulting in a wavy pattern along with the uneven thickness of the coating layer painted on the panel. It functions to have a smooth appearance without

In addition, the wool block 44 can correct the surface error of the urethane layer 11 by the elasticity and fine cilia peculiar to wool, and in particular, the rotation of the urethane layer 11 generated by the rotation of the painting roller 10 Even eccentricity errors can be corrected, and as a result, a structure capable of improving the quality of the paint layer painted on the panel can be provided.

In addition, the wool block 44 is formed by partially coating the gelatin layer 441 at the contact end contacting the painting roller 10.

In the above, gelatin is a kind of induced protein obtained by treating collagen with acid or alkali, and has characteristics of blocking moisture and having softness and elasticity.

Therefore, as shown in FIG. 7, the wool block 44 prevents paint from being absorbed through the gelatin layer 441, so that a uniform coating film can be obtained on the painting roller 10.

In addition, the wool block 44 is provided with a structure that can smoothly compensate for the surface error of the urethane layer 11 and the rotation eccentric error of the urethane layer 11 by doubling the elasticity by the gelating layer 441, thereby Accordingly, the quality of the paint layer painted on the surface of the panel can be improved.

The lower case 50 is coupled to the lower portion of the housing 20 and functions to temporarily store paint by means of a step 51 .

In addition, the paint can be discharged into the paint storage tank 70 through a plurality of long holes (unsigned) on the bottom surface of the lower case 50 and the paint flowing into the step 51.

In addition, the lower case 50 further has a central rod 52 formed at the center thereof, and the central rod 52 is coupled to the lower portion of the painting roller 10 via a bearing B, which eventually results in the painting. A structure capable of rotatably supporting the roller 10 is provided.

In addition, the paint storage tank 70 is connected via the support case 60 supporting the lower case 50 to store the paint falling from the support case 60 together with the paint flowing from the lower case 50 It functions to re-supply to the paint supply hose 31.

Here, while the support case 60 supports the lower case 50, a long hole (unsigned) is formed on the bottom surface, so that the paint falling into the through hole of the lower case 50 passes through the long hole (unsigned) to the paint storage tank It functions to fall to (70).

In addition, the paint stored in the paint storage tank 70 is pumped through the pump P and supplied again to the paint supply hose 31.

In addition, a heating unit and a filter unit capable of removing foreign substances included in the paint may be further provided to prevent the paint from hardening, but since this is a known technology, a detailed description thereof will be omitted.

Since the embodiments described in this specification and the configurations shown in the drawings are only one of the most preferred embodiments of the present invention and do not represent all of the technical spirit of the present invention, various equivalents that can replace them at the time of this application It should be understood that there may be variations and examples.

10: painting roller 11: urethane layer 12: rotation shaft
13: Clutch
20: housing 21: opening 22: membrane plate
221: incision 222: barrier film block
30: upper case 31: paint supply hose
40: paint control means 41: fixed block 411: support block
42: slide block 43: distance adjustment bolt
44: wool block 441: gelatin layer
50: lower case 51: stepped 52: central bar
60: supporting case
70: paint storage tank
G: Gap Motor: MP: Pump B: Bearing
100: Panel coating device capable of obtaining a uniform coating layer

Claims (6)

a painting roller 10 rotating through a rotating shaft 12 connected to the motor M;
a cylindrical housing 20 that is externalized with a "gap G" between the painting rollers 10 and has an opening 21 through which the painting roller 10 is partially exposed;
The paint is coupled to the upper part of the housing 20 so that the rotating shaft 12 of the painting roller 10 is exposed, and the paint flows in through the gap G to form a coating film on the surface of the painting roller 10 An upper case 30 to which a paint supply hose 31 for supplying is coupled;
a paint control means 40 connected to the side of the opening 21 of the housing 20 to adjust the paint film applied to the surface of the paint roller 10 to a uniform thickness;
a lower case 50 coupled to a lower portion of the housing 20 to temporarily store and discharge paint;
A paint storage tank 70 connected via the support case 60 supporting the lower case 50 to circulate the paint discharged from the lower case 50 and re-supply it to the paint supply hose 31; and it is done,
The painting roller 10 is a panel painting device capable of obtaining a uniform painting layer, characterized in that an elastic urethane layer 11 of a certain thickness is exteriored so that the paint can uniformly penetrate into the micropores formed in the panel. According to claim 1,
An acute-angled incision 221 is formed on the inner upper portion of the housing 20 to prevent direct contact of the paint supplied through the paint supply hose 31 to the rotating painting roller 10. The membrane plate 22 is further coupled,
The film plate 22 blocks the upper portion of the opening 21 formed in the housing 20 to prevent the paint from flowing out to the surface of the painting roller 10 exposed on the opening 21 to form an uneven coating film. A panel coating device capable of obtaining a uniform coating layer, characterized in that. According to claim 2,
A uniform blocking film block 222 adjacent to the upper surface of the painting roller 10 is further coupled to an end of the cutout 221 of the film plate 22 at a position close to the opening 21 Panel coating device that can obtain one coating layer. According to claim 1,
The paint control means 40 includes a fixing block 41 fixed to the housing 20, a slide block 42 slidingly coupled to the fixing block 41, and a support block fixed to the fixing block 41. A distance adjusting bolt 43 for advancing and retracting the slide block 42 with 411 as support, and fixed to the slide block 42 to adjust the coating film applied to the surface of the painting roller 10 to a certain thickness Panel coating device capable of obtaining a uniform coating layer, characterized in that consisting of a scraper. According to claim 4,
The scraper is a panel painting device capable of obtaining a uniform coating layer, characterized in that made of a high-compressed wool block (44). According to claim 5,
The wool block 44 is a panel painting device capable of obtaining a uniform painting layer, characterized in that the gelatin layer 441 is partially coated on the contact end in contact with the painting roller 10.