TW201440898A - Roll conveyance type coater - Google Patents

Abstract

This invention provides for a roll conveyance type coater capable of improving a productivity of a coated panel. A roll conveyance type coater includes a backing roll 4 supporting a substrate 2 from below, a coating material discharging die 6 discharging a coating material toward the substrate supported on the backing roll, upstream side conveying rolls 3a and downstream side conveying rolls 3b being arranged at both of upstream and downstream sides of the backing roll and conveying the substrate at a designated direction, a suction means 8 having suction holes which are arranged in a region from the upstream side to the downstream side of the backing roll and generating down-flow currents E through the suction holes, a movable front member 16 engaging a front part of the substrate which is moved at a forward position beyond the backing roll, the movable front member and the substrate moving synchronically while covering the suction holes, and a movable rear member 17 engaging a rear part of the substrate which is moved at a position onto the suction holes, the movable rear member and the substrate moving synchronically while covering the suction holes.

Description

Roller conveyor

The present invention relates to a drum transfer coater which can improve the production efficiency of a coated board.

Patent Document 1 is known as a drum transfer coater that applies a substrate to which a transfer roller is applied by using a paint. The "coating device" of Patent Document 1 includes: a pair of applicators which are provided at positions where the application position and the cleaning position are alternately interchanged, and the coating liquid is applied onto the substrate; the support roller is rotatable The driving device is disposed at a position opposed to the applicator, and has a suction hole on the outer circumference, and the substrate is sucked on the one hand, and the transfer roller is disposed on the upstream side and the downstream side of the support roller, and is attracted on the one hand. The substrate is transported on the one hand, and the transport belt is placed on the upstream side of the transport roller on the upstream side, and the substrate is carried into the support roller, and the transport belt is transported to the downstream side of the transport roller on the downstream side, and And removing the substrate from the support roller; and the cleaning device is disposed between the transfer roller on the upstream side and the carry-in conveyor, or between the transfer roller on the downstream side and the carry-out conveyor The coating head is cleaned.

[Previous Technical Literature] [Patent Literature]

Patent Document 1: Japanese Patent No. 4644726

In the above coating apparatus, the substrate is sucked toward the support roller side by the suction device on the support roller on the upstream side and the downstream side of the support roller and on the support roller. However, in a state where the front end or the rear end of the substrate in the transport direction has just entered the region on the air duct, since the substrate does not cover the entire air duct, the substrate cannot be sufficiently attracted. Further, since the substrate is not attracted between the air guide tube and the support roller on the upstream side and the downstream side of the support roller, it is difficult to stabilize the gap between the substrate and the die, and the coating becomes impossible. . Therefore, there is a problem in that the coating area toward the substrate is narrowed and the production efficiency of the product is poor.

The present invention has been made in view of the above problems, and an object thereof is to provide a drum transfer coater which can improve the production efficiency of a coated sheet material.

A drum transfer coater according to the present invention is characterized by comprising: a support roller for supporting a plate material from below; a paint spray mold for discharging the paint material supported by the support roller; and a plurality of transfer rollers for use The material is conveyed in a predetermined direction and arranged side by side on the downstream side of the support roller; and the suction mechanism generates a downwardly directed airflow via a suction hole provided between the upstream side and the downstream side of the support roller; a front end engaging moving member that is engaged with a front end portion of the sheet material that is conveyed to a position beyond the support roller, and covers the suction hole in the same manner as the sheet material, and moves in synchronization with the sheet material; And a rear end engaging moving member that engages with an end portion of the sheet material conveyed to the suction hole, and covers the suction hole in the same manner as the sheet material, and moves in synchronization with the sheet material .

The front end engagement moving member and the rear end engagement moving member are abutted against the end surface of the front end portion or the rear end portion of the sheet material, and are generated by the sheet material. Engage.

The front end engagement moving member and the rear end engagement moving member have an opposite portion facing the end surface of the front end portion or the rear end portion of the sheet material, and a front end portion or a rear portion facing the sheet material The protruding portion protruding from the end portion is engaged with the plate member by the opposite portion and the protruding portion.

The protruding portion is provided with a suction mechanism that brings the surface of the plate material closer to the protruding portion and is in close contact with each other.

The drum transfer coater of the present invention can improve the production efficiency of the coated board.

1‧‧‧Roller Transfer Coating Machine

2‧‧‧Substrate

2a‧‧‧ front end

2b‧‧‧ back end

2c‧‧‧ surface

2f‧‧‧lower surface

3‧‧‧Transport roller

3a‧‧‧Upstream side conveyor roller

3b‧‧‧Downside conveyor roller

4‧‧‧Support roller

5‧‧‧Transport conveyor belt

5a‧‧‧Upper rack

5b‧‧‧Abutment

5c‧‧‧ upper surface

6‧‧‧ Paint spout mould

6a‧‧‧Spit

7‧‧‧Support Department

8‧‧‧Attracting institutions

9‧‧‧ Front-end snap-in unit

10‧‧‧Back end snap unit

11‧‧‧cleaner

11a‧‧‧Axis

11b‧‧‧ linkage mechanism

11c‧‧‧ cleaner body

11d‧‧‧Spray cleaning department

11e‧‧‧Tray

12‧‧‧Linear guide

13‧‧‧air duct

13a‧‧‧Attraction hole

14‧‧‧ Slider

15‧‧‧Base

16‧‧‧ Front-end snap-in moving member

16a‧‧‧lower surface

16c‧‧‧ recess

16d‧‧‧ opposite department

16e‧‧‧Protruding

16f‧‧‧ lower surface

16g‧‧‧ openings

17‧‧‧Back end snapping moving member

17a‧‧‧lower surface

17c‧‧‧ recess

17d‧‧‧ opposite department

17e‧‧‧Protruding

18‧‧‧ Front-end snap-in moving member

18d‧‧‧ opposite department

19‧‧‧Back end snapping moving member

19d‧‧‧ opposite department

E‧‧‧Attracting airflow

S‧‧‧ paint

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a side view showing a preferred embodiment of a drum transfer coater of the present invention.

Figure 2 is an arrow view taken along line A-A of Figure 1.

Figure 3 is an enlarged view of a portion X of Figure 1.

Fig. 4 is a side view showing a state in which the front end side of the substrate is coated by the roll transfer coater shown in Fig. 1.

Fig. 5 is an enlarged view of a portion Y in Fig. 4.

Fig. 6 is a side view showing a state in which the rear end side of the substrate is coated by the roll transfer coater shown in Fig. 1.

Figure 7 is an enlarged view of a portion Z of Figure 6.

8(a) to 8(f) are explanatory views showing a coating process flow of the drum transfer coater shown in Fig. 1.

Fig. 9 (a) and (b) are explanatory views for explaining a modification of the substrate by the roller transfer coater of the present invention.

Hereinafter, preferred embodiments of the drum transfer coater of the present invention will be described in detail with reference to the accompanying drawings. Fig. 1 is a side view of the drum transfer coater of the embodiment, Fig. 2 is an arrow view taken along line AA of Fig. 1, Fig. 3 is an enlarged view of a portion X of Fig. 1, and Fig. 4 is a view of Fig. 1 is a side view showing a state in which the front end side of the substrate is coated by a roller transfer coater, FIG. 5 is an enlarged view of a portion Y in FIG. 4, and FIG. 6 is a view showing a roller transfer type shown in FIG. A side view showing a state in which the cloth machine coats the rear end side of the substrate, and Fig. 7 is an enlarged view of a portion Z in Fig. 6.

The drum transfer coater 1 of the present embodiment is configured to pass through a predetermined transfer drum 3a, 3b provided in a transport path by a plurality of transport rollers 3 arranged in parallel. When the support roller 4 is supported, the coating material discharged from the paint discharge mold 6 disposed opposite to the support roller 4 is applied.

As shown in FIG. 1 to FIG. 3, the roller conveyor type coating machine 1 of the present embodiment includes a conveying conveyor belt 5 which is provided along the conveying direction of the substrate 2, and has a plurality of conveying rollers 3 and a supporting roller 4; The paint discharge mold 6 is sprayed with the paint S from the upper side opposite to the support roller 4; the pair of support portions 7 are provided above the transfer conveyance belt 5, and support the paint discharge mold 6 so as to be movable up and down; and the suction mechanism 8 In the vicinity of the support roller 4, gas is sucked downward (in the figure, the suction airflow is indicated by the symbol E); the front end engagement unit 9 and the rear end engagement unit 10, and the front end portion 2a and the rear end portion of the substrate 2 to be conveyed. 2b is engaged and moved together with the substrate 2 in the transport direction; a drive unit (not shown) and a control unit (not shown) are driven A drum transfer coater 1; a discharge port 6a as a discharge portion of the paint discharge mold 6; and a cleaner 11 for cleaning the support roller 4.

The conveyance conveyor 5 is provided with a plurality of conveyance rollers 3 and support rollers 4 arranged in parallel with each other across the upper frame 5a, and a base 5b supporting the upper frame 5a. The upper frame 5a is provided in a pair of right and left at intervals in the direction of the rotation axis of the conveyance roller 3 and the support roller 4. The support roller 4 is rotatably supported on the upper frame 5a and in the vicinity of the center of the conveyance direction. In the following description, the upstream side of the transfer drum 3 located on both sides of the support roller 4 in the transport direction of the substrate 2 is the upstream transfer drum 3a, and the support roller 4 is located downstream of the transfer direction of the substrate 2. The side is referred to as a downstream side conveyance roller 3b for description. The upstream side transfer drum 3a and the downstream side conveyance drum 3b rotatably supported by the upper frame 5a are provided in the conveyance direction of the board|substrate 2, and the upstream side and the downstream side of the support drum 4. The conveyance of the substrate 2 is performed by rotationally driving the conveyance drum 3 of the conveyance belt 5, but the upstream conveyance drum 3a, the downstream conveyance drum 3b, and the support cylinder 4 can be rotationally driven.

The upper surface 5c of the upper support frame 5a and supporting the support roller 4 is disposed with the columnar support portion 7 of the bridge paint discharge mold 6 disposed opposite to each other. The support portion 7 is disposed on the outer side of the upper frame 5a in the direction of the rotation axis of the support roller 4. A linear guide 12, which will be described later, is provided on the inner side of the upper frame 5a for the operation of the front end engagement unit 9 and the rear end engagement unit 10. The linear guides 12 are attached to the respective upper frames 5a. Further, the linear guide rails 12 are disposed on the upstream side and the downstream side of the support drum 4 in the conveyance direction. The left and right linear guide rails 12 on the upstream side of the support drum 4 are disposed such that the end portions on the side of the support drum 4 are located between the support portions 7. Further, the left and right linear guide rails 12 on the downstream side of the support drum 4 are disposed such that the end portions on the side of the support roller 4 are located between the support portions 7.

The paint spouting mold 6 is disposed on a surface opposite to the support roller 4 The slit-shaped discharge port 6a of the paint S is sprayed. In FIGS. 1 to 7, the illustration of the paint box containing the paint S and the pipe for supplying the paint to the paint spray mold 6 from the paint box are omitted.

The paint spouting mold 6 is moved up and down in the vertical direction by the elevating mechanism (not shown) provided in the support unit 7 in a state in which the discharge port 6a and the support roller 4 are opposed to each other. When the ejecting mechanism of the paint spouting mold 6 is cleaned, for example, when the spouting port 6a of the paint spouting mold 6 is cleaned, when the distance between the support roller 4 and the paint spouting mold 6 is increased, the paint spouting mold 6 is raised, and in order to use the paint. When the substrate 2 is applied to S, and the ejection opening 6a is placed at an appropriate position with respect to the substrate 2, the paint discharge mold 6 is lowered.

The suction mechanism 8 includes an air duct 13 having a suction hole 13a that opens upward, and a pump (not shown) that is connected to the air duct 13 and that attracts gas in order to generate a downward airflow E. Further, the airflow E generated here is suitable for producing a level which is not so large as to attract the dust of the surrounding dust, and which can make the substrate 2 adhere to the static pressure of the support roller 4. The air duct 13 is configured to accommodate the support roller 4 and the transport roller 3 (3a, 3b) adjacent to the support roller 4 from the upstream side and the downstream side in the vicinity of the suction hole 13a. The width of the air duct 13 along the direction of the rotation axis of the support roller 4 or the like is formed to be longer than the axial length of the support roller 4 and the transport roller 3 (3a, 3b) so as to accommodate the support roller 4 And the transfer drum 3 (3a, 3b).

In other words, the air guide tube 13 is disposed at the position of the suction hole 13a, and the support roller 4 and the two transport rollers 3 (3a, 3b) adjacent to the support roller 4 are disposed. A space is set between each of the support roller 4 and the two transfer rollers 3 (3a, 3b), and the end portions of the transfer drums 3 (3a, 3b) and the air guide tube 13 are disposed so as to face downward. The suction airflow E is not leaked, and although not shown, the side surface thereof is also surrounded by the air duct 13 or the like so that the suction airflow E is not leaked.

The suction mechanism 8 is configured such that when the coating material S is applied onto the substrate 2, the substrate 2 is adhered to the support roller 4, and the ejection opening 6a of the coating material ejection die 6 and the surface 2c of the substrate 2 are kept at an appropriate interval. The substrate 2 conveyed on the air guiding tube 13 is attracted to the support roller 4 side by the suction of the pump gas.

In the vicinity of the support roller 4 at the ejection position of the coating material S, the support roller 4 and the two transfer rollers 3a, 3b are spaced apart from each other. Therefore, the front end portion 2a of the substrate 2 fed from the upstream side enters the upstream side transfer roller. When the end portion 2b between the support roller 4 and the support roller 4 or the substrate 2 is fed between the support roller 4 and the downstream transfer roller 3b, even if the suction mechanism 8 is operated, the airflow E flows without the substrate. In part 2, it is still difficult to make the substrate 2 in close contact with the support roller 4.

Therefore, in the drum transfer coater of the present embodiment, the front end engaging unit 9 between the front end portion 2a of the cover substrate 2 and the downstream side transfer drum 3b, and the end portion 2b and the upstream side after the cover substrate 2 are provided. The end engagement unit 10 is disposed between the transfer rollers 3a.

The front end engagement unit 9 and the rear end engagement unit 10 are the same unit, and only the direction of arrangement is opposite to each other in the transport direction. Therefore, the configuration of the front end engagement unit 9 will be described as an example.

The front end engagement unit 9 includes a pair of linear guide rails (hereinafter referred to as downstream linear guide rails) 12 disposed on the downstream side of the support drum 4, and is provided on the downstream side linear guide rails 12, respectively, by the downstream side linear guide rails 12 a slider 14 that is guided to slide and move; a base 15 respectively disposed on each of the sliders 14; spanned between the bases 15 and engageable/detachable from the front end portion 2a of the substrate 2 The moving member 16 is engaged with the front end of the ground engaging.

The slider 14 and the base 15 are integrally provided. The front end engagement moving member 16 is maintained in a state of being parallel with the support roller 4 on the one hand, and is movable up and down with respect to the base 15 on the other hand. Left and right pair of sliders 14, base 15 and front end engaging moving member 16 It is integrated and configured to be guided by the downstream linear guide 12 and travels back and forth in the transport direction.

The front end engaging moving member 16 is formed to have a width wider than the width of the air duct 13, and the lower surface 16a is formed by a flat surface. The end portion of the front end engagement moving member 16 on the side of the support roller 4 (the end portion on the upstream side in the conveyance direction) is formed with a recessed portion 16c whose lower portion is recessed upward to correspond to the thickness of the substrate 2. That is, the end portion of the front end engagement moving member 16 is formed such that the upper portion protrudes toward the support roller 4 side from the lower portion, and the lower portion is opposed to the end surface of the front end portion 2a of the substrate 2 The portion 16d has a protruding portion 16e that protrudes toward the lower end portion 2a of the substrate 2 so as to sneak in the upper portion.

The substrate 2 and the distal end engagement moving member 16 are engaged with each other in a posture in which the opposing portion 16d faces the end surface of the front end portion 2a of the substrate 2 and the protruding portion 16e is positioned on the substrate 2, and is engageable and detachable from each other. . Thereby, the leakage of the suction airflow E toward the lower side is prevented. An inclined portion is formed on the upper surface of the protruding portion 16e of the front end engagement moving member 16, and when the front end engaging unit 9 is moved toward the support roller 4 side, the inclined portion is dive into the inclined surface formed on the lower end side of the paint discharge mold 6. Next, the front end engaging moving member 16 is placed as close as possible to the paint spouting mold 6.

The front end engagement moving member 16 is formed to be flat when the protruding portion 16e of the front end engaging moving member 16 enters below the paint ejection mold 6 and the concave portion 16c is engaged with the end portion 2a before the substrate 2 of the support roller 4 The lower surface 16a and the lower surface 2f of the substrate 2 are substantially flush with each other. Therefore, when the front end engaging moving member 16 is engaged with the front end portion 2a of the substrate 2, the protruding portion 16e covers the upper surface of the front end portion 2a of the substrate 2, and the flat lower surface 16a is attached to the downstream side conveying roller 3b. It is in contact with this downstream side conveyance roller 3b.

In the front end engaging unit 9, the front end engaging moving member 16 is engaged with the base In the state of the front end portion 2a of the plate 2, each of the slider 14, the susceptor 15, and the distal end engagement moving member 16 travels in synchronization with the substrate 2. Then, after the substrate 2 comes into contact with the downstream conveyance roller 3b, the front end engagement moving member 16 is moved to a position away from the conveyance path of the substrate 2 by the upward movement.

The rear end engagement moving member 17 is engaged with the rear end portion 2b of the substrate 2 after being fed to the front end portion (refer to the concave portion 17c in the drawing) of the rear end engagement moving member 17, and the rear end portion of the substrate 2 When the 2b comes into contact with the support roller 4, the flat lower surface 17a comes into contact with the upstream side transfer drum 3a.

In the rear end engaging unit 10, before the rear end portion 2b of the substrate 2 passes over the upstream side conveying roller 3a, the rear end engaging moving member 17 is engaged with the rear end portion 2b of the substrate 2, and in the engaged state, the slider 14 The base 15 and the rear end engaging moving member 17 travel along with the substrate 2 themselves. Then, the rear end engagement moving member 17 returns to the original position before the front end portion thereof comes into contact with the paint discharge mold 6, and is moved to a position away from the conveyance path of the substrate 2 which is subsequently conveyed.

The cleaner 11 includes a link mechanism 11b that is movable in the direction of the rotation axis of the support roller 4 along the shaft 11a between the support portions 7 of the bridge, and a cleaner body 11c provided at the front end of the link mechanism 11b.

The link mechanism 11b is configured to dispose the cleaner body 11c between the paint discharge mold 6 and the support roller 4 which are enlarged by the distance from the support roller 4, and move the cleaner body 11c to the self-painting ejection die 6 and A mechanism that supports the evacuation of the retreat position between the rollers 4. Fig. 1 shows a state in which the cleaner body 11c is disposed at the retracted position.

The cleaner main body 11c includes a spout cleaning portion 11d that abuts against the ejection opening 6a of the paint ejection mold 6, and a tray 11e that receives the coating material that is scraped off during cleaning without being dropped. The cleaner 11 is used to abut the cleaner body 11c against the paint spouting mold 6 In the state, the ejection opening 6a of the paint discharge mold 6 is cleaned by reciprocating movement along the shaft 11a.

Fig. 8 is an explanatory view showing a flow of a coating process of the drum transfer coater of the embodiment. When the substrate 2 is applied by a roller transfer coater, first, as shown in FIG. 8(a), the front end engagement moving member 16 and the rear end engagement moving member 17 are disposed at a predetermined position. .

Here, the predetermined position of the front end engagement moving member 16 and the rear end engagement moving member 17 means that, for example, in the front end engagement moving member 16, the end portion 2a before the substrate 2 fed in the conveyance direction passes over the support. The roller 4 is engaged with the recessed portion 16c of the front end engagement moving member 16, and the recessed portion 16c is located on the transport path of the substrate 2, and the lower surface 16a is slightly higher than the lower surface 2f of the substrate 2. Further, in the rear end engagement moving member 17, the end portion 2b of the substrate 2 fed in the conveyance direction is just engaged with the concave portion 17c of the rear end engagement moving member 17 just before the upstream side conveyance roller 3a, and The rear end engaging moving member 17 is moved from the transport path of the substrate 2 to a position to be avoided upward.

Next, when the front end portion 2a of the substrate 2 passes over the support roller 4 and is conveyed under the concave portion 16c of the front end engagement moving member 16, as shown in Fig. 8(b), the front end engagement moving member 16 is lowered, and the concave portion 16c is caused. The front end portion 2a of the substrate 2 is engaged and the suction mechanism 8 is operated.

At this time, since the front end engagement unit 9 is moved in synchronization with the operation of the substrate 2 toward the downstream side in the conveyance direction, the suction hole 13a is covered by the substrate 2 and the front end engagement moving member 16, whereby the substrate 2 is directed toward the support roller. 4 side attraction. Then, after the end portion 2a of the substrate 2 is engaged with the concave portion 16c, as shown in Fig. 8(c), the coating material S is ejected from the ejection opening 6a of the paint discharging mold 6, and the application of the substrate 2 is started.

Next, on the one hand, the substrate 2 is coated on the one hand, when the front end of the substrate 2 is When the portion 2a reaches the upper side of the downstream conveyance roller 3b, as shown in FIG. 8(d), the front end engagement moving member 16 moves on the one hand in synchronization with the substrate 2, and the engagement with the substrate 2 is released. The front end engagement moving member 16 moves to a position where the conveyance path of the substrate 2 is retracted. In the case of the substrate 2, after the engagement with the distal end engagement moving member 16 is released, the coating material S is ejected from the ejection opening 6a, and the application is continued.

Then, before the end portion 2b of the substrate 2 passes over the upstream side transport roller 3a, in the state of being in contact with the upstream transport roller 3a, as shown in FIG. 8(e), the rear end engaging moving member 17 is made to be on the one hand and the substrate. 2 The synchronous movement is lowered on the one hand, and the concave portion 17c of the rear end engagement moving member 17 is engaged with the rear end portion 2b of the substrate 2, and the rear end engagement unit 10 is moved in synchronization with the movement of the substrate 2 toward the downstream side in the conveyance direction.

Further, before the end portion 2b of the substrate 2 passes over the support roller 4, as shown in Fig. 8(f), the discharge of the paint S from the ejection opening 6a is stopped, the coating is terminated, the suction mechanism 8 is stopped, and the rear end is engaged and moved. The member 17 rises.

Since the suction hole 13a of the suction mechanism 8 is in a state in which the upper portion is covered from the start to the end of the application, the substrate 2 is always pulled to the side of the support roller 4 during the application.

Then, the rear end engagement moving member 17 is raised, and after the base 15 is integrated, the end engagement moving member 17 is moved in the upstream direction, and the rear end engagement unit 10 and the rear end engagement moving member 17 are returned to the standby position. In the case where the application of the other substrate 2 is continued, the above operation steps are repeated.

According to the drum transfer coater 1 of the present embodiment, the suction hole 13a of the suction mechanism 8 is provided between the upstream side and the downstream side of the support roller 4 in the transport direction, and passes over the front end 2a of the substrate 2 When the support roller 4 enters the suction hole 13a, the front end engagement moving member 16 is engaged with the front end portion 2a of the substrate 2 to cover the suction hole on the one hand. Since the 13a moves together with the substrate 2, the substrate 2 can be applied while the gap between the front end portion 2a and the surface 2c of the substrate 2 of the support roller 4 and the ejection opening 6a of the paint discharge mold 6 is kept stable.

Further, when the rear end portion 2b of the substrate 2 is brought into the suction hole 13a after being conveyed, since the rear end engagement moving member 17 is engaged with the rear end portion 2b of the substrate 2, the suction hole 13a is covered on the one hand with the substrate 2 on the one hand. Since the movement is performed together, the substrate 2 can be applied while the gap between the surface 2c of the substrate 2 on the suction hole 13a and the ejection opening 6a of the paint discharge mold 6 is stabilized.

According to the above, while the entire area of the substrate 2 passes through the suction hole 13a, the substrate 2 can be appropriately sucked toward the support roller 4 side. As described above, the gap between the surface 2c of the substrate 2 and the ejection opening 6a of the paint discharge mold 6 can be stabilized during the discharge of the coating material S, so that a highly precise coating film can be formed on a wider area of the substrate 2. Thereby, the drum transfer coater 1 which is excellent in the production efficiency of the substrate 2 can be provided.

Fig. 9 shows a modification of the drum transfer coater 1 of the above embodiment. In the above embodiment, the front end engagement moving member 16 and the rear end engagement moving member 17 have recesses 16c and 17c that engage with the front end portion 2a and the rear end portion 2b of the substrate 2, and have abutting the substrate from above. 2, the example of the protruding portions 16e and 17e of the rear end portions 2a and 2b has been described, but the present invention is not limited thereto.

As shown in Fig. 9(a), the front end engagement moving member 18 and the rear end engagement moving member 19 may not have a protruding portion, and the end faces of the front and rear end portions 2a and 2b of the substrate 2 may be brought into contact with the front end. The moving member 18 and the rear end engaging the moving member 19 are configured to support the opposing portions 18d and 19d on the drum 4 side.

Further, in the above embodiment, when the front end engagement moving member 16 and the rear end engagement moving member 17 have the protruding portions 16e and 17e, it is not necessary to necessarily The end surface of the front end portion 2a of the substrate 2 and the concave portion 16c of the front end engagement moving member 16 or the end surface of the rear end portion 2b of the substrate 2 and the concave portion 17c of the rear end engagement moving member 17 abut each other.

Further, as shown in FIG. 9(b), the opening 16g connected to the pump provided outside may be formed in advance on the lower surface 16f of the protruding portion 16e, and the pump is operated when engaged with the front end portion 2a of the substrate 2. The front end portion 2a is configured to be attracted toward the protruding portion 16e side. In this case, even if the substrate 2 is bent or the like, since the surface 2c of the substrate 2 is in close contact with the lower surface 16f of the protruding portion 16e, there is no leakage of the airflow E, and the surface 2c of the substrate 2 can be ejected with the paint. The substrate 2 is coated while the gap between the ejection openings 6a of the mold 6 is kept stable, so that a highly precise coating film can be formed on a wider area of the substrate 2.

2‧‧‧Substrate

2a‧‧‧ front end

2b‧‧‧ back end

2c‧‧‧ surface

2f‧‧‧lower surface

3a‧‧‧Upstream side conveyor roller

3b‧‧‧Downside conveyor roller

4‧‧‧Support roller

6‧‧‧ Paint spout mould

6a‧‧‧Spit

8‧‧‧Attracting institutions

9‧‧‧ Front-end snap-in unit

10‧‧‧Back end snap unit

13‧‧‧air duct

13a‧‧‧Attraction hole

15‧‧‧Base

16‧‧‧ Front-end snap-in moving member

16c‧‧‧ recess

16e‧‧‧Protruding

17‧‧‧Back end snapping moving member

17c‧‧‧ recess

17e‧‧‧Protruding

E‧‧‧Attracting airflow

S‧‧‧ paint

Claims (4)

A drum transfer coater characterized by comprising: a support roller for supporting a plate material from below; a paint spray mold for discharging the paint material supported by the support roller; and a plurality of transfer rollers for facing The plate is conveyed in a predetermined direction and arranged side by side on the downstream side of the support roller; and the suction mechanism generates a downwardly directed airflow via a suction hole provided from the upstream side to the downstream side of the support roller; the front end card a moving member that is engaged with a front end portion of the sheet material that is conveyed to a position beyond the support roller, and covers the suction hole in the same manner as the sheet material, and moves in synchronization with the sheet material; The end engaging moving member is engaged with the end portion of the sheet material conveyed to the suction hole, and covers the suction hole in the same manner as the sheet material, and moves in synchronization with the sheet material. The drum transfer coater of claim 1, wherein the front end engaging moving member and the rear end engaging moving member are paired with an end surface of the end portion or the rear end portion of the sheet material It is abutted to the state and is engaged with the sheet. The drum transfer coater of claim 1, wherein the front end engaging moving member and the rear end engaging moving member are opposite to an end surface of the front end portion or the rear end portion of the sheet material. The opposing portion and the protruding portion that protrudes toward the front end portion or the rear end portion of the sheet material are engaged with the sheet material by the opposing portion and the protruding portion. The drum transfer coater of claim 3, wherein the protruding portion is provided with a suction mechanism that brings the surface of the plate material closer to the protruding portion and is in close contact with each other.