KR101862095B1 - Painting system automatically recognizing object size - Google Patents

Painting system automatically recognizing object size Download PDF

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Publication number
KR101862095B1
KR101862095B1 KR1020150186344A KR20150186344A KR101862095B1 KR 101862095 B1 KR101862095 B1 KR 101862095B1 KR 1020150186344 A KR1020150186344 A KR 1020150186344A KR 20150186344 A KR20150186344 A KR 20150186344A KR 101862095 B1 KR101862095 B1 KR 101862095B1
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KR
South Korea
Prior art keywords
powder coating
sensor
coating gun
coupled
size
Prior art date
Application number
KR1020150186344A
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Korean (ko)
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KR20170076896A (en
Inventor
정영득
박종관
박주식
Original Assignee
전주비전대학교산학협력단
주식회사 푸른에스앤피
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Priority to KR1020150186344A priority Critical patent/KR101862095B1/en
Publication of KR20170076896A publication Critical patent/KR20170076896A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
    • B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
    • B05B12/084—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to condition of liquid or other fluent material already sprayed on the target, e.g. coating thickness, weight or pattern
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
    • B05B13/0228—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts the movement of the objects being rotative
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/14—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas designed for spraying particulate materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/02—Processes for applying liquids or other fluent materials performed by spraying
    • B05D1/04—Processes for applying liquids or other fluent materials performed by spraying involving the use of an electrostatic field
    • B05D1/06—Applying particulate materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/14—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by electrical means

Abstract

The present invention relates to a frame, on which a workpiece can be supported and moved; An object rotating device for rotatably supporting the object on the frame; An object size recognizing sensor for sensing a size of the object coupled to the object rotating apparatus; A powder coating gun trigger sensor for detecting the conveyed object at a predetermined position to operate the powder coating gun; And a powder coating gun coupling device to which a powder coating gun operated by a signal from the powder coating gun trigger sensor is coupled.

Description

{Painting system automatically recognizing object size}

The present invention relates to a system and method for automatically recognizing an object size, and more particularly, to a system and method for automatically recognizing a size of an object, and more particularly, And more particularly, to a system for automatically recognizing a substrate size and a control method of the system for automatically recognizing a substrate size, which can reduce wasted coating liquid and form a uniform film thickness, and can eliminate a dead zone of a coating.

Generally, a powder coating mainly used for coating a surface of a metal is prepared by spraying (-) electrically charged powder coating material in a state of applying a high voltage to the surface of the material to be coated and electrically attaching the coating material, Dissolving and curing. Since such powder coating does not use solvents, there is no risk of poisoning by the solvent or fire, and it does not cause pollution, and forms a coating film having no wrinkle shape or flow phenomenon generated when a liquid paint is used, There is an advantage to be able to do. Such a conventional powder coating apparatus is disclosed in Patent Publication No. 2000-0047302.

 Conventional powder coating apparatuses include a painting room in which an object to be coated is powder coated by a powder coating gun, a chain for conveying the object, a rail to which the chain is fed, and the like. At this time, the powder is painted in the painting room by the powder coating gun while the object moves on the chain, and the powder coating is sprayed on the object while spraying the powder to a certain range.

However, since the conventional powder coating apparatus as described above does not recognize the size of the object, the movement distance of the powder coating gun is set to a large value despite the small size of the object, so that the powder coating liquid is wasted or the object can not be uniformly coated, And the like. Therefore, there is a demand for measures to improve the above-mentioned problems.

Patent Publication No. 2000-0047302

The present invention automatically recognizes objects of various sizes and shapes to control the moving distance of the spraying atomizer and also enables the object to be painted while being rotated so as to reduce wasted coating liquid and to form a uniform film thickness, And a method of controlling the same.

An object of the present invention is to provide a frame in which a workpiece can be supported and moved; An object rotating device for rotatably supporting the object on the frame; An object size recognizing sensor for sensing a size of the object coupled to the object rotating apparatus; A powder coating gun trigger sensor for detecting the conveyed object at a predetermined position to operate the powder coating gun; And a powder coating gun coupling device to which a powder coating gun operated by a signal from the powder coating gun trigger sensor is coupled.

The object rotating device is coupled to a lower portion of a chain provided in the frame by a bracket and includes a rotating motor shaft; And an object engagement ring formed at a lower portion of the rotary motor shaft.

The object size recognizing sensor may include a sensor transmitting unit and a sensor receiving unit disposed opposite to each other with a chain provided in the frame interposed therebetween.

Wherein the powder coating gun trigger sensor comprises: a rod coupled to the frame; And a sensing sensor unit coupled to a lower portion of the rod, wherein the sensing sensor unit may be a proximity sensor.

Wherein the powder coating gun coupling device comprises: a device main body; A ball screw provided in the apparatus body; A ball screw guide disposed around the ball screw; A gun guide screwed to the ball screw and supported by a ball screw guide and to which a powder coating gun is coupled; And a screw driving motor for rotationally driving the ball screw.

According to another aspect of the present invention, there is provided a control method of a paint size recognition system, comprising: mounting a workpiece on a workpiece rotating device; Transferring the object; Recognizing an object size by an object size recognition sensor; Recognizing an object approach by a powder paint gun trigger sensor; And powder coating by a powder coating gun coupling device.

According to the present invention, it is possible to automatically recognize the objects of various sizes and shapes to control the moving distance of the spraying atomizer and to paint the object while rotating, thereby reducing the waste coating liquid and forming a uniform film thickness There is provided a system for automatically recognizing an object size and a method of controlling the same, capable of eliminating a blind spot of a painting.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic front view of a powder-coated powder coating system according to the present invention. FIG.
Fig. 2 is a view schematically showing the plan view of Fig. 1. Fig.
FIG. 3 is a view schematically showing the object rotating apparatus shown in FIG. 1. FIG.
4 is a view schematically showing an object size recognition sensor.
5 is a schematic view of a powder coating gun trigger sensor.
6 is a view schematically showing a powder coating gun coupling device.
FIG. 7 is a flowchart illustrating a control method of a coating material size recognition system according to the present invention.
FIG. 8 is a flowchart illustrating a process of recognizing an object size according to an exemplary embodiment of the present invention. Referring to FIG.
9 is a flowchart illustrating a powder coating process by a powder coating gun coupling apparatus according to an embodiment of the present invention.

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

FIG. 1 schematically shows a front view of a powder-coated powder coating system according to the present invention, FIG. 2 schematically shows a plan view of FIG. 1, and FIG. 3 shows a schematic Fig. 4 is a view schematically showing an object size recognition sensor, Fig. 5 is a schematic view of a powder paint gun trigger sensor, Fig. 6 is a view schematically showing a powder paint gun coupling device, Fig. 7 is a flowchart illustrating a control method of a system for automatically recognizing an object size according to the present invention, FIG. 8 is a flowchart illustrating an object size recognition process according to an exemplary embodiment of the present invention, FIG. 9 is a flowchart Fig. 3 is a flowchart showing a powder coating process by the powder coating gun bonding apparatus according to the first embodiment of the present invention.

Referring to these drawings, a coating material size recognition system 100 according to the present invention includes a frame 110 on which a workpiece O can be supported and supported, a workpiece carrier 120 for rotatably supporting the workpiece O on a frame 110, A material size recognizing sensor 130 for sensing the size of the workpiece coupled to the workpiece rotating device 120, a powder sensing device 130 for sensing the transferred workpiece O at a predetermined position to operate the powder coating gun 120, A powder coating gun coupling device 150 to which a powder coating gun operated by a signal from a paint gun trigger sensor 140 and a powder coating gun trigger sensor 140 are coupled and a control panel P for controlling these components .

First, the frame 110 includes a vertical support frame 111, a conveying rail 112 coupled to the upper portion of the vertical support frame 111, a conveying rail 112 formed with a closed curve at a lower portion of the conveying rail 112, A driving sprocket 115 coupled to one side of the chain 113 and driven by the driving motor 114 to rotate the chain 113 and a driving sprocket 115 coupled to the other side of the chain 113, And a driven sprocket 116 rotated together with the sprocket 115.

Although the chain type transfer structure is disclosed in this embodiment, it is not necessarily limited to the chain type transfer structure, and various known transfer structures may be employed.

3, the workpiece rotating device 120 includes an object rotating motor 121 coupled to a lower portion of the chain 113 by a bracket 122 and a rotating motor shaft 123 coupled to a rotating motor 121 so that the object O coupled to the object grip ring 124 formed at the lower part of the rotation motor shaft 123 can be rotated.

Accordingly, when the object O is powder coated by the powder coating gun, the object O can be rotated at a constant speed by the object rotating apparatus 120, so that the object O is painted Not only the liquid is uniformly applied but also the occurrence of a blind spot in which the coating material is not coated can be prevented.

Next, the object size recognition sensor 130 may be arranged such that the sensor transmission unit 131 and the sensor reception unit 132 are opposed to each other with the chain 113 therebetween, as shown in the figure.

Referring to FIG. 4, the object size recognition sensor 130 may include a plurality of photosensors S on a vertical column. Accordingly, the object size recognition sensor 130 can recognize the size of the object according to how many photosensors from the top to the object sense the object O. FIG.

For example, in the present embodiment, the object O hooked and engaged by the object rotating device 120 is disposed at a corresponding position so as to be recognizable from the top of the object size recognition sensor 130, The recognition sensor 130 may be designed to recognize the size of the object O by installing 12 photo sensors and detecting the number of objects from above. For example, if the first to third photosensors are detected from the top, the object O is a small object, and when the fourth to eighth photosensors are detected, the object O is an intermediate, If the photosensors of up to 12 are detected, it can be recognized that it is a long-length large object.

 As described above, according to the present invention, there is provided a method of recognizing the size of the substrate, so that the movement distance of the powder coating gun installed in the subsequent process can be adjusted according to the size of the substrate, and waste of the powdery coating liquid can be reduced. In other words, in the past, powder coating is performed while only the powder coating gun moves with a certain movement distance without recognizing the powder coating size, so that the movement distance of the powder coating gun is set to be large even when the powder coating is extremely small, However, in the present invention, by employing the object size recognition sensor 130, the movement distance of the powder coating gun is limited according to the size of the recognized coating material, so that the waste of the powder coating liquid can be remarkably reduced do.

Next, the powder coating gun trigger sensor 140 may be installed adjacent to the powder coating gun to sense whether the object O being conveyed has been transported close to the powder coating gun. As shown in FIG. 5, the powder coating gun trigger sensor 140 may include a rod 142 coupled to the frame 110 and a sensing sensor 141 coupled to a lower portion thereof. That is, facing downward from the top, thereby sensing the object O conveyed in the downward direction of the detection sensor unit 141. The detection sensor unit 141 may be applied as a proximity sensor.

The powder coating gun coupling device 150 is vertically movably coupled to a powder coating gun (not shown) that is vertically disposed from the ground and ejects the powder coating liquid toward the object O. The powder coating gun coupling device 150 is disposed adjacent to the powder coating gun trigger sensor 140 to adjust the movement distance of the powder coating gun based on the coating material size information sensed by the material size recognition sensor 130, And the coating is performed.

The powder coating gun coupling device is screwed to the main body 151 of the apparatus body, a ball screw 152 provided in the apparatus main body 151, a ball screw guide 153 and a ball screw 152 disposed around the ball screw, A gun guide 155 that is supported by a ball screw guide 153 and to which the powder coating gun is coupled, and a screw driving motor 154 that rotates and drives the ball screw 152. When the screw driving motor 154 is operated, the gun guide 155 is raised and lowered by the rotation of the ball screw 152, whereby the powder coating gun (not shown) coupled to the gun guide 155 is moved up and down And powder coating of the object (O) is performed.

At this time, the rise and fall of the powder coating gun is determined to determine the size of the object O based on the information sensed by the object size recognition sensor 130, and to move to the determined travel distance.

Therefore, since the moving distance of the powder coating gun is determined according to the size of the object O, the possibility of spraying the powder coating fluid while the powder coating gun (not shown) moves excessively is reduced, and the waste of the powder coating fluid is reduced .

The powder coating gun coupling device 150 has a funnel-shaped elongated body recovering portion 156 having a funnel-shaped upper portion formed to be wider than the lower portion. The powdered artificial fluid recovered can be recovered while being lowered, It also has the advantage of being recyclable.

The control panel P is installed in front of the coating system 100 of the present invention and provides input and output of signals and includes a plurality of input units and a display panel so as to control the components.

Hereinafter, a coating process of the automatic substrate size recognition system according to the present invention will be described with reference to the flowcharts.

Referring to FIG. 7, a method of controlling a coating material size recognition system according to the present invention includes steps S1, S2, (S4) recognizing the object access by the powder coating gun trigger sensor, and performing powder coating by the powder coating gun coupling device (S5).

Here, step S3 of recognizing the size of the object by the object size recognition sensor recognizes the size of each object through the flow chart as shown in FIG. 8 to give the object code.

First, the control unit provided in the control panel determines whether at least one sensor of the object size recognition sensor is recognized (S31). Next, it is determined whether the sensor of the current number is the sensor number of the recognized maximum value (S32). If Yes, the currently recognized sensor number is determined as the sensor final recognition number (S33), and the object code according to the final recognition number is given. For example, when the final recognition number is S1 to S3, code 2 is assigned as a small water. When the final recognition recognition is S4 to S8, code 3 is assigned as an intermediate, In the case of S12, code 3 can be given as a large-sized water. Such an object code can be used later when the powder coating gun performs powder coating in the powder coating gun coupling device 150. [

Next, Fig. 9 is a flowchart showing the powder coating process in the powder coating gun coupling device 150. Fig.

First, the control unit of the control panel receives the detection signal from the trigger sensor 140 and turns on the powder coating gun operation switch (S51). At this time, the object rotating apparatus 120 may be set to be driven together.

As the operation switch is turned on, the powder coating is performed while spraying the powder coating liquid onto the object while moving the powder coating gun downward from the uppermost initial position (S52).

Next, when the powder coating gun moves to the movement position set in accordance with the imparted coating code (S53), the powder coating is completed and the powder coating gun returns to the initial position.

Therefore, according to the embodiment of the present invention, it is possible to automatically recognize the objects of various sizes and shapes and to control the moving distance of the powder coating gun as well as to be painted while rotating the object, thereby reducing the waste coating liquid, It is possible not only to form the thickness but also to eliminate the dead zone of the painting.

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 or scope of the invention. It is therefore intended that such modifications or alterations be within the scope of the claims appended hereto.

100: paint system 110: frame
120: Conveyor rotation device 130: Conveyor size recognition sensor
140: powder coating gun trigger sensor 150: powder coating gun coupling device

Claims (6)

A frame on which the object can be supported and moved;
An object rotating device for rotatably supporting the object on the frame;
An object size recognizing sensor for sensing a size of the object coupled to the object rotating apparatus;
A powder coating gun trigger sensor for detecting the conveyed object at a predetermined position to operate the powder coating gun; And
And a powder coating gun coupling device to which a powder coating gun operated by a signal from the powder coating gun trigger sensor is coupled,
The frame includes a vertical support frame, a conveyance rail coupled to an upper portion of the vertical support frame, and a chain conveyed to an endless track by forming a closed curve at a lower portion of the conveyance rail,
The object rotating apparatus
An object rotating motor coupled to a lower portion of the chain provided on the frame by a bracket and having a rotating motor shaft; And
And an object engagement ring formed at a lower portion of the rotary motor shaft so that the rotary motor shaft is rotated by the operation of the rotary motor so that the object coupled to the object engagement ring formed below the rotary motor shaft is moved And then,
Wherein the object size recognizing sensor includes a sensor transmitting unit and a sensor receiving unit disposed opposite to each other with a chain provided in the frame interposed therebetween,
The object size recognition sensor is formed by a plurality of photo sensors on a vertical column,
The powder coating gun coupling device
A device body;
A ball screw provided in the apparatus body;
A ball screw guide disposed around the ball screw;
A gun guide screwed to the ball screw and supported by a ball screw guide and to which a powder coating gun is coupled; And
And a screw drive motor for rotationally driving the ball screw,
Wherein the powder coating gun coupling device has a funnel shaped elongate collection part formed in a funnel shape and having an upper portion wider than the lower part,
The object size recognition sensor recognizes the size of the object based on a sensor number recognized downward from the top of the object,
The sensor number recognized by the object size recognition sensor is determined by the controller included in the control panel as the sensor final recognition number, and the object code according to the final recognition number is given. Based on the object code, And the powder coating is completed by moving the powder coating liquid by moving the moving distance defined by the lower portion.
delete delete The method according to claim 1,
The powder coating gun trigger sensor
A rod coupled to the frame; And
And a sensing sensor unit coupled to a lower portion of the rod,
Wherein the detection sensor unit is a proximity sensor.
delete delete
KR1020150186344A 2015-12-24 2015-12-24 Painting system automatically recognizing object size KR101862095B1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102464151B1 (en) 2022-05-26 2022-11-04 김호종 Painting System
KR102472005B1 (en) 2022-05-20 2022-11-29 주식회사 명성산업 Automatic coating system

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CN107597466A (en) * 2017-10-20 2018-01-19 广东电网有限责任公司江门供电局 A kind of hand-held tool surface insulation coating unit
CN110216780B (en) * 2019-06-10 2021-02-12 瑞安市华嘉机械制造有限公司 Powder spraying equipment for processing enamel workpiece and application method thereof
KR102367903B1 (en) * 2020-09-22 2022-03-02 주식회사 영산테크노 Coating apparatus for processed article

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JPH0549979A (en) * 1991-08-20 1993-03-02 Asahi Sanac Kk Automatic coating device
JPH0570662U (en) * 1992-02-27 1993-09-24 旭サナック株式会社 Automatic painting equipment
DE4217754A1 (en) * 1992-05-29 1993-12-02 Ema Elektromaschinen Schultze Method and device for powder coating
JPH0651152B2 (en) * 1987-10-29 1994-07-06 松下電工株式会社 Painting method
JPH07132265A (en) * 1993-11-10 1995-05-23 Asahi Sanac Kk Spin coating method for material to be coated
KR20050043842A (en) * 2005-04-18 2005-05-11 강순애 Edge coating apparatus for a furniture panel

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JPH0651152B2 (en) * 1987-10-29 1994-07-06 松下電工株式会社 Painting method
JPH0549979A (en) * 1991-08-20 1993-03-02 Asahi Sanac Kk Automatic coating device
JPH0570662U (en) * 1992-02-27 1993-09-24 旭サナック株式会社 Automatic painting equipment
DE4217754A1 (en) * 1992-05-29 1993-12-02 Ema Elektromaschinen Schultze Method and device for powder coating
JPH07132265A (en) * 1993-11-10 1995-05-23 Asahi Sanac Kk Spin coating method for material to be coated
KR20050043842A (en) * 2005-04-18 2005-05-11 강순애 Edge coating apparatus for a furniture panel

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102472005B1 (en) 2022-05-20 2022-11-29 주식회사 명성산업 Automatic coating system
KR102464151B1 (en) 2022-05-26 2022-11-04 김호종 Painting System

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