KR20130104365A - Paint spray apparatus using air-motor - Google Patents

Paint spray apparatus using air-motor Download PDF

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Publication number
KR20130104365A
KR20130104365A KR1020120025796A KR20120025796A KR20130104365A KR 20130104365 A KR20130104365 A KR 20130104365A KR 1020120025796 A KR1020120025796 A KR 1020120025796A KR 20120025796 A KR20120025796 A KR 20120025796A KR 20130104365 A KR20130104365 A KR 20130104365A
Authority
KR
South Korea
Prior art keywords
paint
air
spray assembly
distance measuring
air motor
Prior art date
Application number
KR1020120025796A
Other languages
Korean (ko)
Inventor
윤성진
Original Assignee
(주)하이드롬
윤성진
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by (주)하이드롬, 윤성진 filed Critical (주)하이드롬
Priority to KR1020120025796A priority Critical patent/KR20130104365A/en
Publication of KR20130104365A publication Critical patent/KR20130104365A/en

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Classifications

    • 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
    • B05B12/12—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 conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus
    • B05B12/124—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 conditions of ambient medium or target, e.g. humidity, temperature position or movement of the target relative to the spray apparatus responsive to distance between spray apparatus and target
    • 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
    • B05B13/04—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work the spray heads being moved during spraying operation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/10—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces
    • B05B3/1007—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces characterised by the rotating member
    • B05B3/1014—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements discharging over substantially the whole periphery of the rotating member, i.e. the spraying being effected by centrifugal forces characterised by the rotating member with a spraying edge, e.g. like a cup or a bell
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
    • B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
    • G01S15/06—Systems determining the position data of a target
    • G01S15/08—Systems for measuring distance only

Abstract

The present invention relates to a paint spraying device which is mounted to an automated coating device for applying paint to an object to the left and right, and in particular, paint spraying using an air motor capable of uniform application by rotating at an angle corresponding to the curved surface of the object to be coated. Relates to a device.
A paint spraying apparatus using an air motor according to the present invention is a paint spraying apparatus mounted on an automated coating apparatus for applying paint to an object while advancing left and right, the air motor generating a rotational force by supplying air, and the air A spray assembly including a bell cup for spraying the supplied paint while rotating in connection with the motor; Two distance measuring sensors installed at regular intervals on the left and right sides of the spray assembly; And a rotation assembly which rotates the spray assembly and the distance measuring sensor unit at a predetermined angle to the left and right sides with respect to the spray assembly as a central axis.

Description

Paint Spray Apparatus Using Air-Motor

The present invention relates to a paint spraying device which is mounted to an automated coating device for applying paint to an object to the left and right, and in particular, paint spraying using an air motor capable of uniform application by rotating at an angle corresponding to the curved surface of the object to be coated. Relates to a device.

In general, in order to protect the exterior and improve the aesthetics, automobiles and ships are generally painted with a paint of a specific color. The painting facilities are efficiently carried out using the existing equipment and processes.

In particular, in the case of automobiles, contact or colliding accidents occur during the operation or parking of the vehicle, or parts of the paint are peeled off by being scratched by other sharp objects, and the paint is naturally peeled off due to aging. Specialty paint shops also apply partial or full coating using automated coating equipment.

In order to apply paint to an object such as a car or a ship, such an automatic coating device is typically equipped with a spray-type paint spraying device. In order to improve the quality of painting, it is necessary to maintain a constant distance from the object. It is important.

To this end, in the conventional automated coating device, the paint spraying device was simply mounted on a straight rail, and moved to the left and right, and was configured to perform painting work. When the object is flat, the painting work can be performed while maintaining a constant interval. However, in most cases, since the object includes a curved surface, the gap with the object is changed, resulting in a non-uniform coating thickness, which causes a problem of deterioration of the coating quality.

The problem to be solved by the present invention, even in the paint spraying device mounted on the automatic coating device for coating the paint on the object, even if the painting operation on the object including the curved surface always maintain a constant interval with respect to the object and paint vertically The present invention provides a paint spraying device using an air motor that can perform painting work of excellent quality.

A paint spraying apparatus using an air motor for solving the above problems is a paint spraying apparatus mounted on an automated coating apparatus for applying paint to an object while advancing left and right, and an air motor for generating rotational force by supplying air; Spray assembly comprising a bell cup for spraying the supplied paint while rotating in contact with the air motor; Two distance measuring sensors installed at regular intervals on the left and right sides of the spray assembly; And a rotation assembly which rotates the spray assembly and the distance measuring sensor unit at a predetermined angle to the left and right sides with respect to the spray assembly as a central axis.

In this case, the spray assembly may be integrally mounted by mounting a fixed flow rate discharger for supplying a predetermined amount of paint to the bell cup, and after the completion of the painting operation to the constant flow rate discharger, the cleaning liquid is supplied to the paint remaining in the spray assembly. It is also preferable to further provide the washing | cleaning part to remove.

The rotation assembly may include a fixed table having a driving motor mounted on a lower surface thereof, and a rotation table which is rotated at an angle to the left and right by the driving motor and is equipped with the spray assembly and the distance measuring sensor. have.

And, the front of the bell cup and the distance measuring sensor is formed on the front surface of the through-hole, and protects the device with a cover housing that can prevent the sprayed paint from flowing into the device.

The distance measuring sensor may be configured as an ultrasonic sensor that generates an ultrasonic wave and emits the light to the object to measure a distance from the object using the reflected wave.

In addition, the air motor has an air curtain generating groove having a predetermined width and depth in the inner diameter of the air bearing at the side of the outlet side through which the air supplied to the air bearing is discharged. Inflow can be prevented.

The present invention is provided with a distance measuring sensor on each of the left and right sides of the spray assembly for spraying the paint on the object in the paint spraying device mounted on the automatic coating device for coating the paint on the object and the distance difference from the measured object in each distance sensor By predicting the shape of the object by using the spray assembly is always rotated to maintain a constant distance and vertical to the paint surface, even if the curved surface is included in the object has the advantage of forming a uniform coating thickness to improve the coating quality.

1 is a front view of a paint spraying device using an air motor according to an embodiment of the present invention.
2 is a plan view of a paint spraying device using an air motor according to an embodiment of the present invention.
3 is a plan view of the spray assembly and the distance measuring sensor according to an embodiment of the present invention.
Figure 4 is a side view of the spray assembly and the distance measuring sensor according to an embodiment of the present invention.
5 is a cross-sectional view showing the structure of an air motor according to an embodiment of the present invention.

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

1 is a front view of a paint spraying apparatus using an air motor according to an embodiment of the present invention, Figure 2 is a plan view of a paint spraying apparatus using an air motor according to an embodiment of the present invention, Figure 3 is a view of the present invention 4 is a plan view of a spray assembly and a distance sensor according to an embodiment, and FIG. 4 is a side view of the spray assembly and the distance sensor according to an embodiment of the present invention.

1, 2, 3 and 4, the paint spraying device using the air motor according to an embodiment of the present invention and the spray assembly 100 for spraying the paint on the object, the spray assembly 100 A first distance measuring sensor 200 and a second distance measuring sensor 210 positioned at right and left sides of the spray assembly 100, the spray assembly 100, a first distance measuring sensor 200, and a second distance measuring sensor 210, respectively. ) Is configured to include a rotation assembly 300 for rotating the integral at an angle.

At this time, the spray assembly 100 is an air motor 110 to generate a rotational force by the supply of compressed air, a bell cup 130 to rotate in contact with the front end of the air motor 110, and the bell cup 130 It includes a constant flow discharger 150 for supplying a certain amount of paint to).

The air motor 110 is used in place of a general electric motor is a motor that is very suitable for painting work is used a lot of highly flammable material.

5 is a cross-sectional view of the air motor 110 according to an embodiment of the present invention. Referring to FIG. 5, the air motor 110 may include a shaft 111 having a through hole formed in a longitudinal direction therein. , An air bearing 113 surrounding the outer circumferential surface of the shaft 111, at least one air hole 115 formed through the inner surface and the outer surface of the air bearing 113, and the air bearing 113. It comprises an air supply passage 117 for supplying compressed air.

The air hole 115 is formed with a different size of the hole formed on the outer surface of the air bearing 113 and the size of the hole formed on the inner surface, the compressed air supplied to the air bearing 113 in this way The shaft 111 is rotated by the pressure while passing through (115).

On the other hand, when the air motor 110 is used for painting work, the paint penetrates into the gap between the shaft 111 and the air bearing 113, and the paint hardens while not being used. Problems such as disturbing the operation or causing a failure occurs, in order to prevent this, the air curtain generating groove 119 having a width and length of a predetermined size in the inner diameter of the front end portion of the air bearing 113 has an inner diameter. It is preferable to form along a circumference.

A predetermined amount of compressed air is discharged toward the outlet of the air bearing 113 through the micro clearance 118 formed between the inner surface of the air bearing 113 and the outer surface of the shaft 111. Vortex is generated while passing through the air curtain generating groove 119 to form an air curtain to prevent the entry of paint into the micro crevice 118.

The bell cup 130 is mounted on the front end of the shaft 111 to rotate together. In the through hole formed in the shaft 111, a supply pipe for supplying paint to the bell cup 130 is positioned. The bell cup 130 receives the rotational force of the shaft 111 and atomizes the supplied paint and discharges it forward with air.

In order to supply the paint to the bell cup 130, a supply device may be provided on the outside, but in the case of a paint spraying device mounted on an automated coating device provided in a repair shop that performs a lot of partial painting work, the paint is applied to a small paint supply device. It is preferable to mount it in the spraying apparatus itself from a viewpoint of work efficiency, apparatus management, etc. The constant flow discharger 150 is used as the paint supply device. The constant flow discharger 150 is supplied to the object by continuously supplying a certain amount of paint to the bell cup 130 for a predetermined time. The thickness of the paint can be kept constant.

In addition, the cleaning fluid supply pipe 151 is supplied with a cleaning liquid, such as thinner, which can dissolve and wash the paint through the cleaning liquid supply pipe 151, and is provided with a washing unit for removing the paint remaining in the device after the completion of the painting work. Also good.

Meanwhile, the first distance measuring sensor 200 and the second distance measuring sensor 210 are each formed with the spray assembly 100 interposed therebetween, and are not affected by the paint sprayed from the spray assembly 100. Do not form a sufficient distance from the center of the spray assembly 100 to prevent.

The first and second distance measuring sensors (200, 210) is a device for measuring the distance between the coating object and the spray assembly 100 using ultrasonic waves, etc., the spray assembly in order to reduce the maximum error and to measure the accurate interval It is preferable to configure the rod shape so as to protrude up to the front end of the bell cup 130 of (100).

At this time, any one of the first and second distance measuring sensor (200, 210) is to measure the distance to the coating object to be sprayed paint in accordance with the advancing direction of the paint spraying device and the other is the coating object sprayed paint It is to measure the distance between and.

If the coating object forms a flat surface, the value measured by the first distance measuring sensor 200 and the value measured by the second distance measuring sensor 210 will always be the same. However, in the case where the coating object forms a surface including a curved surface, the values measured by the first distance measuring sensor 200 and the second distance measuring sensor 210 will be different from each other.

Therefore, the values measured by the first distance measuring sensor 200 and the second distance measuring sensor 210 are compared with each other, and if the same value, the coating operation is performed while the paint spraying device is carried out. And spraying the coating unit while rotating the second distance measuring sensors 200 and 210 and the spray assembly 100 until the values measured by the first distance measuring sensor 200 and the second distance measuring sensor 210 are the same. Proceed with the painting to perform painting work.

Such a control device for analyzing the measured value and generating a control signal corresponding thereto is provided in an automatic coating device rather than provided in each paint spraying device to be processed together with the control of other devices.

The rotating assembly 300 is provided to rotate the first and second distance measuring sensors 200 and 210 and the spray assembly 100 integrally at a specific angle. The rotating assembly according to an embodiment of the present invention. 300 includes a fixed table 310 having a driving motor 330 on a lower surface thereof, and a rotation table 320 mounted with the spray assembly 100 and first and second distance measuring sensors. .

At this time, the drive shaft of the drive motor 330 is connected to the lower surface of the rotation table 320 at the point where the spray assembly 100 is located, the rotation table 320 based on the control signal received from the control device of the automatic coating device ) Rotates at an angle, and as the rotation table 320 rotates, the spray direction of the paint is also rotated in the spray assembly 100 mounted on the upper surface.

In addition, the fixed table 310 is connected to the transfer device of the automatic coating device to automatically proceed to the right or left according to the painting direction while maintaining a constant interval with the painting object.

As the fixed table 310 proceeds to the right or left side, the spray assembly 100 mounted on the pivoting table 320 sprays paint on the object to be painted and proceeds to the right or left side. When the curved portion formed on the object to be painted meets the value measured by the first distance measuring sensor 200 and the second distance measuring sensor 210 is different and when the time to paint the curved portion of the drive motor ( By driving the 330 to rotate the rotation table 320 at a predetermined angle to maintain the paint spray direction of the spray assembly 100 to always be perpendicular to the object to be painted to be a constant coating thickness.

Meanwhile, the spray assembly 100 and the first and second distance measuring sensors 200 and 210 are integrally included to protect the scattering particles of the paint sprayed from the spray assembly 100 from being seated in the apparatus. It is preferable to have a cover housing 170, the front of the cover housing 170, the front end of the bell cup 130 of the spray assembly 100 and the front of the first and second measuring sensors can be exposed. Each hole has a certain size so as to be formed.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments. In addition, it is obvious that any person having ordinary skill in the art to which the present invention pertains can make various modifications and imitations without departing from the scope of the technical idea of the present invention.

100-Spray Assembly 110-Air Motor
111-Shaft 113-Air Bearing
115-Air hole 117- Air supply passage
118-Micro Niche 119-Air Curtain Home
130-Bell Cup
150-Constant flow discharger 151-Cleaning solution supply pipe
170-Cover housing
200-1st distance measuring sensor 210-2nd distance measuring sensor
300-Rotating Assembly 310-Fixed Table
320-Rotary table 330-Drive motor

Claims (7)

In the paint spraying device mounted on an automated coating device for applying paint to the object while proceeding to the left and right,
A spray assembly including an air motor for generating rotational force by supply of air, and a bell cup for spraying paint supplied while rotating in connection with the air motor;
Two distance measuring sensors installed at regular intervals on the left and right sides of the spray assembly; And
And a rotation assembly which rotates the spray assembly and the distance measuring sensor integrally at a predetermined angle from side to side with the spray assembly as a central axis. The method of claim 1,
The spray assembly,
Paint spraying device using an air motor, characterized in that further comprises a constant flow rate discharger for supplying a predetermined amount of paint to the bell cup. The method of claim 2,
The constant flow discharge device is a paint spraying device using an air motor, characterized in that further comprising a washing unit for removing the paint remaining in the spray assembly by receiving a cleaning liquid after the painting operation is completed. The method of claim 1,
The rotation assembly,
A fixed table having a driving motor mounted on a lower surface thereof, and a rotating table rotating at a predetermined angle to the left and right sides by the driving motor and equipped with the spray assembly and the distance measuring sensor integrated therein. Used paint spraying device. The method of claim 1,
The through-hole is formed on the front surface of the bell cup and the distance measuring sensor is exposed, the paint spraying device using an air motor, characterized in that it further comprises a cover housing to prevent the sprayed paint flows into the device . The method of claim 1,
The distance measuring sensor is a paint spraying device using an air motor, characterized in that the distance measuring sensor using ultrasonic waves. 7. The method according to any one of claims 1 to 6,
The air motor,
A paint spraying device using an air motor, characterized in that an air curtain generating groove having a predetermined width and depth is formed along the circumference thereof at an inner diameter of an outlet side side end through which air supplied to the air bearing is discharged.
KR1020120025796A 2012-03-13 2012-03-13 Paint spray apparatus using air-motor KR20130104365A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020120025796A KR20130104365A (en) 2012-03-13 2012-03-13 Paint spray apparatus using air-motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020120025796A KR20130104365A (en) 2012-03-13 2012-03-13 Paint spray apparatus using air-motor

Publications (1)

Publication Number Publication Date
KR20130104365A true KR20130104365A (en) 2013-09-25

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020120025796A KR20130104365A (en) 2012-03-13 2012-03-13 Paint spray apparatus using air-motor

Country Status (1)

Country Link
KR (1) KR20130104365A (en)

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E902 Notification of reason for refusal
E90F Notification of reason for final refusal
E601 Decision to refuse application