KR101425427B1 - Apparatus for multi-coating texture - Google Patents

Abstract

The present invention relates to an apparatus for multi-coating a fabric according to methods selected from a plurality of methods. The apparatus includes: a body (10) including a backup roller (15), a drawing roller (12) longitudinally drawing the fabric in a longitudinal direction, and an expand roller (14) expanding the fabric in a width direction on a frame (11) so that the fabric is transferred to a preset path; an auxiliary part (20) disposed on a path of the fabric to correspond to the selected coating method and including a gravure roller (21) disposed on the upstream side of the backup roller (15), a bed (25) disposed on the downstream side of the backup roller (15), and a resin tray (26) disposed on the backup roller (15); a knife part (30) including a screen (31), a comma knife(32), and a blade knife (33) to correspond to the selected coating method; and a control part (50) controlling the body (10), the auxiliary part (20), and the knife (30) using algorithm corresponding to the selected coating method. Therefore, the apparatus according to the present invention may apply two different coating methods to the fabric with one apparatus to secure diversity in coating including preciseness, stability, and convenience thereof.

Description

[0001] Apparatus for multi-coating texture [0002]

The present invention relates to a far-end multi-coating apparatus, and more particularly, to a far-end multi-coating apparatus capable of applying a heterogeneous coating method to a fabric on one apparatus.

Coating has been developed on the basis of diversification and specialization of resins as a means of applying a resin liquid to a substrate and drying the resin to form a resin film. The substrate is also widely applied to fibers, films, paper, nonwoven fabrics and metals . Properties such as waterproof property, windproof property, functional property, abrasion resistance, toughness, weather resistance, flame retardancy and solvent resistance are required depending on the use of the product. Therefore, various kinds of special processing and processing are carried out. Among them, the proportion of the coating is very large.

Since the coated product is a composite material, the two materials having different properties, that is, various substrates and coating materials, combine to form the most useful properties. That is, the coating method must be different according to the characteristics, purpose, application, etc. of the coating agent and the substrate. If you introduce the coating equipment in the initial one work plan and you want to process another order type in the future, it is difficult to work if it is not a dedicated coater.

Therefore, the multi-coating head system (Multi (Multi) coating system which can improve the efficiency of the production equipment to meet the development of the coating technology by constructing the best system that can produce small quantity of various kinds, Coating Head System).

Korean Patent Laid-Open Publication No. 2005-0063279 discloses a related-art patent, which is provided with a take-up roller to which a fabric is wound in a roll state, and a liquid coating material provided on one side of the take- A roller coater for coating; And a dryer installed between the roller coater and the collecting roller to heat and dry the coated cloth while passing through the roller. Accordingly, it is expected that the advantage of the conventional printing process and the advantage of the knife coating process are all satisfied.

However, according to the above-mentioned prior patents, since the device configuration of the printing and knife coating processes is schematically shown, the specific device configuration for the various multi-coatings is not clear, and thus the variety of the cloth coating operation is limited.

Korean Unexamined Patent Publication No. 2005-0063279 "Method and Apparatus for Coating a Fabric" (Published Date: June 28, 2005)

In order to solve the above-described problems, it is an object of the present invention to provide a multi-coated cloth which can secure diversity of coatings based on precision, safety, and convenience in applying different coating methods to fabrics on one apparatus. Device.

In order to achieve the above object, the present invention provides an apparatus for coating a fabric in a plurality of selected ways, comprising: a drawing roller for pulling a fabric, including a backup roller, in the length direction on the frame, A main body having an expand roller that extends in the width direction; A subsidiary part provided on the path of the raw material so as to correspond to the selected coating method and having a gravure roller on the upstream side of the backup roller, a bed on the downstream side, and a resin receiver provided on the backup roller; A subsidiary part installed on the path of the raw material to correspond to the selected coating method; A knife portion having a screen, a comma knife, and a blade knife to correspond to the selected coating method; And a controller for controlling the main body, the ancillary part, and the knife part by an algorithm corresponding to the selected coating method.

According to the present invention, the knife section is characterized by comprising a horizontal motor for changing the posture of the screen, a comma knife, and a blade knife, a vertical transfer device, an angle adjuster, and a sub motor for generating a driving force therefor.

According to the present invention, the controller includes a controller, a first fabric sensor for detecting the state of the fabric, a second fabric sensor, a gap meter for detecting the coating thickness of the fabric, and a brake for restricting the swing of the knife .

According to another aspect of the present invention, the control unit may include a first fabric detecting sensor for detecting a state of a fabric and primarily controlling a drawing speed of the drawing roller, and a press roller, a backup roller, and a knife unit in cooperation with the second fabric detecting sensor And a second far end detection sensor for controlling the feeding and unwinding.

It should be understood, however, that the terminology or words of the present specification and claims should not be construed in an ordinary sense or in a dictionary, and that the inventors shall not be limited to the concept of a term It should be construed in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be properly defined. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, It is to be understood that equivalents and modifications are possible.

As described above, according to the present invention, diversity of coating can be ensured based on precision, safety, and convenience in applying different coating methods to fabrics on one apparatus.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram generally showing an apparatus according to the present invention. FIG.
2 is a configuration diagram showing a main part of an apparatus according to the present invention;
3 and 4 are diagrams showing a knife section of the device according to the present invention;
5 is a schematic diagram showing a main part operating state of the device according to the present invention;
6 is a schematic view showing various coating methods using the apparatus according to the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

The present invention proposes a device for coating a fabric in a plurality of selected ways. Fabrics are intended for, but are not limited to, gravure coating, comma coating, blade knife coating, and rotary screen coating. Blade knife coatings include knife roll on coating, knife under coating, and knife floating coating.

According to the present invention, the main body 10 includes a pull-out roller 12 for pulling the fabric including the back-up roller 15 in the longitudinal direction on the frame 11 so as to transfer the fabric to the set path, And an expand roller (14). The back-up roller 15 is located at the center of the far-end feed path disposed on the frame 11. The set path of the fabric is changed according to the coating method, but in any case via the backup roller 15. The pull-out roller 12 located on the upstream side of the backup roller 15 uses a rubber material having high wear resistance so as to increase the pull-out force by frictional resistance, and is installed on the most upstream side in the path of the fabric. The press roller 13, which receives the force of the pneumatic cylinder, is brought into contact with the take-out roller 12 to maintain proper frictional resistance at all times. The expand roller 14 is installed on the downstream side of the drawing-out roller 12 and opens the fabric for circular movement of the coating.

In addition, the main body 10 is provided with a plurality of rollers, and a guide path guide roller 16 is provided at a position adjacent to the backup roller 15. And a scraper 23 for surface cleaning is provided at the other position adjacent to the backup roller 15. [

According to the present invention, the auxiliary part 20 is provided on the path of the far end so as to correspond to the selected coating method, and the gravure roller 21 on the upstream side of the backup roller 15 and the downstream side of the backup roller 15 A bed 25 and a resin bearing 26 mounted on the back-up roller 15. The auxiliary part 20 is installed to operate the corresponding characteristic components according to the selection of gravure coating, comma coating, blade knife coating, and rotary screen coating. The gravure roller 21 is a configuration for gravure coating, the bed 25 is a configuration for blade knife coating, and the resin bearing 26 is a configuration for comma coating. Hereinafter, the configuration of each part of the auxiliary section 20 will be described in more detail.

The gravure roller 21 is in close contact with the press roller 13 and is interlocked with the press roller 13, and at the same time, the lower end part of the gravure roller 21 is immersed in the resin box 22. The raw fabric for the gravure coating is formed between the gravure roller 21 and the press roller 13 in the expand roller 14 instead of the path from the expand roller 14 to the backup roller 15 via the guide roller 16 To the back-up roller (15). A scraper 23 for surface cleaning is provided at the other position adjacent to the gravure roller 21.

The bed 25 is provided so as to be vertically movable on the downstream side adjacent to the back-up roller 15 and maintains a state of being closely attached to or spaced from the fabric. In the blade knife coating, the bed 25 rises to be placed on the bottom surface of the fabric and is pressed against the resin receptacle 27 of the knife portion 30 to be described later.

The resin bearing 26 is installed adjacent to the upstream outer circumferential surface on the back-up roller 15 and supplies the stored resin for coating. The backup roller 15 and the comma knife 32 of the knife portion 30 described later perform the coating while pressing the raw material up and down. The resin bearing 26 is separated from the backup roller 15 by a separate handle and a transfer device (not shown) if necessary.

In addition, according to the present invention, the knife portion 30 includes a screen 31, a comma knife 32, and a blade knife 33 to correspond to the selected coating method. The knife portion 30 is provided on the upper surface of the main body 10 and on the downstream side of the backup roller 15 on the far-end path. The screen 31 for gravure coating, the comma knife 32 for comma coating, and the blade knife 33 for blade knife coating. The screen 31, the comma knife 32 and the blade knife 33 are integrally mounted on the same housing 41 of the knife portion 30. [

According to the detailed configuration of the present invention, the knife portion 30 includes a horizontal feeder 43 for changing the posture of the screen 31, the comma knife 32, the blade knife 33, a vertical feeder 44, An angle adjuster 45, and a sub motor 46 for generating a driving force therefor. The horizontal feeder 43 horizontally feeds the housing 41 of the knife portion 30 to the upper surface of the main body 10 via a rack and a pinion. The vertical transfer device 44 transfers the knife portion 30 vertically by holding the jack screw and the nut. The angle adjuster 45 changes the attitude of the knife portion 30 to a desired angle via the gear box and the handle. Although not shown in the drawings, the horizontal feeder 43, the vertical feeder 44, and the angle adjuster 45 are automatically operated using the sub motor 46 that generates the driving force. Manual operation will also be feasible.

According to the present invention, the control unit 50 controls the body 10, the auxiliary unit 20, and the knife unit 30 using an algorithm corresponding to the selected coating method. The controller 50 stores and executes algorithms corresponding to a gravure coating, a comma coating, a blade knife coating, and a rotary screen coating on a controller 51 based on a microcomputer described later. The roller of the main body 10, the corresponding component of the auxiliary part 20, and the corresponding components of the knife part 30 are linked with each other according to the algorithm of the controller 51 provided in the control part 50, do.

According to the detailed configuration of the present invention, the controller 50 includes a controller 51, a first fabric sensor 53a and a second fabric sensor 53b for detecting the state of the fabric, A measuring device 55, and a braking device 57 for restricting the oscillation of the knife 30. The fabric detection sensors 53a and 53b are provided on the upstream side of the drawing roller 12 in the main body 10 to detect the state of the fabric. Damage to the fabric damages the roller or instantaneous tension fluctuation causes a deterioration of the coating quality. Hereinafter, the configurations of the first fabric sensor 53a and the second fabric sensor 53b will be described in more detail.

 The gap measuring device 55 is provided with a lead screw, a nut and a servo motor on the housing 41 of the knife portion 30 and the measured value is outputted on a display system (not shown) by the controller 51. The hammer 57 is provided on the shaft for driving the angle adjuster 45 of the knife portion 30 and clamps the screen 31, the comma knife 32 and the blade knife 33 so as to prevent unnecessary oscillation during operation. Of course, it is preferable to interpose the electromagnetic clutch 47 in the shaft system for transmitting the power to the angle adjuster 45. [ As in the case of the electromagnetic clutch 47, the brake 57 uses an electromagnet which can be electrically controlled.

On the other hand, a back knife 35 and a guide roller 36 are provided on the frame 11 of the main body 10 where the coated fabric is discharged. The back knife 35 and the guide roller 36 are installed in a structure such that they can be replaced by a single housing like the knife 30. The replacement of the back knife 35 and the guide roller 36 for the sake of simplicity of construction may be realized by a manual operation.

According to the detailed configuration of the present invention, the control unit 50 includes a first fabric detection sensor 53a that detects the state of the fabric and primarily controls the pull-in speed of the pull-out roller 12, And a second fabric detection sensor 53b for controlling the press roller 13, the backup roller 15 and the knife portion 30 so as to be transferred and cleaned in cooperation with the sensor 53a. The control unit 50 detects the knot for joining the fabric and the fabric during the process or the first fabric detecting sensor 53a and the second fabric detecting sensor 53b when the yarn is torn in a torn state, The press roller 13, the back-up roller 15 and the knife portion 30 are conveyed to affect the damage of the roller or the knife and the instantaneous tension of the fabric so that cracks are also generated in the applied resin Prevent in advance.

That is, when the knot for joining the fabric or a part of the knot is pulled in a torn state, the first fabric detecting sensor 53a senses and controls the primary fabric to provide an alarm to the driver, Decreases the speed. 5, the second far end detecting sensor 53b controls the pulling speed from an encoder (not numbered) connected to the pull-out roller 12 and controls the press roller 13, the backup roller 15, the knife portion 30) is transported, the fabric is discharged, and the fabric is returned to its original position.

On the other hand, if the fabric is a torn fabric, an alarm is provided to the driver because it can cause a serious accident that the coating liquid will pour out when the torn fabric passes, so that the driver can stop the machine in advance.

6 (c), 6 (c-2), and 6 (c-3) are blade knife coatings, Figure 6 (d) shows a rotary screen coating. 6 (c-1), (c-2), and (c-3) show knife roll-on coating, knife under coating, and knife floating coating, respectively.

6A, the resin for coating is transferred to the surface of the raw material while being fed through the drawing roller 12, the expand roller 14, the gravure roller 21, the backup roller 15 and the guide roller 36 Coating is completed. More specifically, the transfer is performed by the gravure roller 21, smoothed by the scraper 23 conveyed to the left and right, and is conveyed through the screen 31 of the knife portion 30. [ The fabric discharged from the main body 10 is completely dried while passing through the drying chamber, or is passed through the drying chamber in the state of being dried by about 70%, and is produced as a laminating fabric after the laminating process.

6 (b), resin is applied to the surface of the raw material while the drawing roller 12, the expand roller 14, the guide roller 16, and the backup roller 15 are fed to complete the coating. More specifically, the resin injected into the resin receptacle 26 is applied to a constant thickness while passing between the backup roller 15 and the comma knife 32 to be pressed. The fabric discharged from the main body 10 is completely dried while passing through the drying chamber, or is passed through the drying chamber in the state of being dried by about 70%, and is produced as a laminating fabric after the laminating process.

6 (c-1), the bed 25 is moved up to the left end of the fabric (Fig. 6 (c-1) The backing knife 35 is operated in place of the guide roller 36 in the case of 6 (c-2) and 6 (c-2) (27). The subsequent process of the fabric discharged from the main body 10 is the same.

6 (d), the transfer path of the far end is the same as that shown in Fig. 2 (b), but the coating resin on the screen 31 of the knife portion 30 is uniformly leaked to complete the coating. The subsequent process of the fabric discharged from the main body 10 is the same.

It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit and scope of the invention as defined by the appended claims. It is therefore intended that such variations and modifications fall within the scope of the appended claims.

10: main body 12: drawing roller
14: Expand roller 15: Backup roller
20: auxiliary part 21: gravure roller
22: Resin box 25: Bed
26, 27: resin receptacle 30: knife portion
31: Screen 32: Comma Knife
33: blade knife 35: back knife
41: housing 43: horizontal transfer unit
44: Vertical conveyor 45: Angle adjuster
46: Sub motor 47: Electromagnetic clutch
50: control unit 51:
53a: first fabric detecting sensor 53b: second fabric detecting sensor
55: gap meter 57:

Claims (4)

An apparatus for coating a fabric in a method selected from the group consisting of:
A take-out roller 12 for pulling a tail end including a backup roller 15 in the longitudinal direction on the frame 11 so as to transfer the far end to the set path, and an expand roller 14 for spreading the tail end in the width direction A main body 10;
A gravure roller 21 on the upstream side of the backup roller 15, a bed 25 on the downstream side of the backup roller 15, a backup roller 15 (20) provided with a resin receptacle (26) provided on the base (20);
A knife 30 having a screen 31, a comma knife 32, and a blade knife 33 to correspond to the selected coating method; And
And a control unit (50) for controlling the body (10), the auxiliary unit (20), and the knife unit (30) by an algorithm corresponding to the selected coating method. The method according to claim 1,
The knife portion 30 includes a horizontal conveying device 43 for varying the posture of the screen 31, the comma knife 32 and the blade knife 33, a vertical conveying device 44, an angle adjuster 45, And a sub motor (46) for generating a driving force of the sub motor (46). The method according to claim 1,
The controller 50 includes a controller 51, a first fabric sensor 53a and a second fabric sensor 53b for detecting the state of the fabric, a gap meter 55 for detecting the coating thickness of the fabric, (57) for restricting the oscillation of the workpiece (30). The method of claim 3,
The control unit 50 includes a first fabric detecting sensor 53a for detecting the state of the fabric and primarily controlling the pulling speed of the pulling roller 12 and a second fabric detecting sensor 53b for interlocking with the first fabric detecting sensor 53a, (53b) for controlling the transfer of the knife portion (30), the back-up roller (13), the backup roller (15) and the knife portion (30).

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