CN101391244A - Coating apparatus - Google Patents
Coating apparatus Download PDFInfo
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- CN101391244A CN101391244A CNA2008101309534A CN200810130953A CN101391244A CN 101391244 A CN101391244 A CN 101391244A CN A2008101309534 A CNA2008101309534 A CN A2008101309534A CN 200810130953 A CN200810130953 A CN 200810130953A CN 101391244 A CN101391244 A CN 101391244A
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- coating
- rotary atomization
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Abstract
The present invention provides a coating apparatus capable of amending or adjusting easily. The coating apparatus comprises a body part, a head part detachably installed to this body part, and a connecting ring connecting the body part with the head part. The body part is provided with a cascade that boosts and outputs electric power and a plurality of tubes and a passage in which at least one of the optical signal, air, and coating circulates. The head part is provided with the rotary atomization head, an electric power transmission line that transmits the electric power output from the cascade, and a passage. On the connecting face of the body part, at least part of the cascade projects, and third port of the passage is exposed. On the connecting face of the head part, the electric power transmission line is connected, and a cascade insertion part in which the projected part of the cascade is inserted is formed, and a fourth port connected to the third port.
Description
Technical field
The present invention relates to a kind of applying device.In detail, thus relate to the rotary-atomizing formula applying device that a kind of front end ejection liquid coating from rotary atomization head carries out electrostatic spraying.
Background technology
So far, as the applying device that main body of automobile etc. is applied, known have a kind of for example rotary-atomizing formula applying device.This rotary-atomizing formula painting device applies high voltage to rotary atomization head on one side, Yi Bian make the rotary atomization head rotation, and under this state, supply electrically-conducting paint (liquid coating) to rotary atomization head.Make the charged and atomizing of liquid coating thus, thereby from the front-end edge of rotary atomization head spraying carrying out electrostatic spraying.
Above-mentioned applying device for example possesses: the rotary atomization head that is installed on the front end of robot arm; Make the driving mechanism of this rotary atomization head rotation; And the casing of accommodating rotary atomization head and driving mechanism.
Japanese documentation 1: the spy opens communique 2006-No. 167518
Japanese documentation 2: the spy opens flat 10-No. 71345 communiques
Japanese documentation 3: the spy opens clear 58-No. 193752 communiques
Yet in the structure of patent documentation 1, the integral body of applying device is integrated, thus, when repairing or adjusting applying device, need remove the entire coating device from mechanical human arm.Therefore, the problem that exists repairing or adjustment because of applying device to cause spended time.
In addition, in the structure of patent documentation 1, stream is arranged on the inside of casing, therefore, has the problem that is difficult to checking in the runner.And, owing to form stream, there is the problem that external diameter increases, weight also increases of casing at box house.
In addition, in the structure of patent documentation 2, the front end face of applying device is approximate to be the plane, and two air ejiction openings are formed at this smooth front end face.Because two air ejiction openings are formed at the front end face of such near flat, therefore, can't stablize from the emission direction of the air of the air ejiction opening ejection in the outside, cause existing the problem that is difficult to set application pattern.
In addition, in the structure of patent documentation 3, the air ejiction opening in the outside be positioned at the rear side near inboard air ejiction opening, and it is poor to be formed with ladder between these two air ejiction openings with respect to the spray direction of coating.Therefore,, may exist, and the backflow whirlpool of coating, the anxiety that causes nozzle segment to be polluted take place from the mobile generation whirlpool of the air of the air ejiction opening in outside ejection because the ladder between these two air ejiction openings is poor.
Summary of the invention
First purpose of the present invention is, a kind of applying device that can repair easily or adjust is provided.
In addition, second purpose of the present invention is, a kind of stream that can check air or coating easily is provided, and can realizes light-weighted applying device.
In addition, the objective of the invention is to, provide a kind of and can set application pattern easily, and can prevent the applying device that nozzle segment is polluted.
Applying device of the present invention (for example, applying device 1 described later), be a kind of rotary atomization head (for example, rotary atomization head 21 described later) to be applied high voltage, and make the rotary atomization head rotation, and under this state, supply liquid coating to this rotary atomization head, make the charged and atomizing of liquid coating thus, thereby carry out the applying device of electrostatic coating, it is characterized in that, possess: main part (for example, main part 10 described later); Be removable at the head (for example, head 20 described later) of this main part; And the bindiny mechanism's (for example, connecting ring 50 described later) that connects aforementioned body portion and head, in aforementioned body portion, be provided with: the cascade stepup transformer that electric power is boosted and export (for example, cascade stepup transformer 41 described later); A plurality of first streams (for example, pipe 13 described later and path 435) with at least one runner in optical signal, air and the coating of rotation number of the above-mentioned rotary atomization head of expression are provided with on above-mentioned head: above-mentioned rotary atomization head; Transmission transmits road (for example, electric power described later transmits road 26) from the electric power of the electric power of above-mentioned cascade stepup transformer output; And second stream (for example, path 202 described later), on the joint face of aforementioned body portion, at least a portion of above-mentioned cascade stepup transformer is outstanding, and the end face of above-mentioned first stream (for example, the 3rd interface 433 described later), on the joint face of above-mentioned head, form and connect above-mentioned electric power transmission road, and insert above-mentioned cascade stepup transformer outstanding part the insertion section (for example, cascade stepup transformer described later insertion section 24), and the end face of above-mentioned second stream that is connected with the end face of above-mentioned first stream (for example, the 4th interface 201 described later) exposes.
Adopt this invention, make main part and head approaching mutually, and, these main parts and head are fixed by bindiny mechanism.Thus, make the outstanding part of cascade stepup transformer insert the insertion section, be connected so that the cascade stepup transformer transmits the road with electric power, and the end face of first stream is connected with the end face of second stream.Thereby, can transmit from the electric power of cascade stepup transformer output via the electric power transfer circuit, can also make stream pass through second stream, perhaps make the optical signal, air and the coating stream that flow by second stream by first stream by optical signal, air and the coating stream of first stream.
So, because applying device is divided into two parts, be main part and head, therefore, even applying device is installed on the robot arm, when the repairing or adjustment of applying device, also needn't pull down the entire coating device from robot arm, head be can only remove, the repairing or the adjustment of applying device just easily carried out.
Applying device of the present invention (for example, applying device 1 described later), be a kind of rotary atomization head (for example, rotary atomization head 21 described later) to be applied high voltage, and make the rotary atomization head rotation, and under this state, supply liquid coating to this rotary atomization head, make the charged and atomizing of liquid coating thus, thereby carry out the applying device of electrostatic coating, it is characterized in that, possess: body (for example, head 20 described later and main part 10); Be arranged at the rotary atomization head (for example, rotary atomization head 21 described later) of the front of this body; Extend to front with base end side from above-mentioned body, and a plurality of streams that circulation has air and coating (for example, pipe 13 described later, path 435 and path 202), the external diameter of the middle body of above-mentioned body is littler than both end sides, at least a portion of above-mentioned a plurality of streams (for example, pipe 13 described later) is pipe, and is disposed at the outer peripheral face of the middle body of above-mentioned body with transparency.
Adopt this invention, therefore the external diameter of the middle body of body, can realize the lightweight applying device less than both end sides.
In addition, at least a portion of a plurality of streams is made the pipe with transparency, and this pipe is disposed at the outer peripheral face of the middle body of body.Thereby the situation by in should managing with Visual Confirmation perhaps is installed on measuring appliance in this pipe, can easily check the stream of air or coating.
For example, take place under abnormal situation,, just can easily confirm the flow regime of coating by pipe with this coating circulation of Visual Confirmation changing being coated with apply colours of automobile.In addition, take place under abnormal situation, be replaced with the pipe of the measuring appliance that is provided with air mass flow, just can easily confirm the flow regime of air by pipe with circulation of air in control because of the coating scope.
At this moment, comparatively ideal is, also possesses: the guard section (for example, guard section 12 described later) that covers the middle body of above-mentioned body.
Adopt this invention, be provided with the guard section of the middle body that covers body, therefore, when driving applying device, can prevent that the pipe with transparency from being polluted.On the other hand, when checking applying device,, just can easily check pipe with transparency by only removing guard section.
Applying device of the present invention (for example, applying device 1 described later), be a kind of rotary atomization head (for example, rotary atomization head 21 described later) to be applied high voltage, and rotary atomization head is rotated, and under this state,, make the charged and atomizing of liquid coating thus, thereby carry out the applying device of electrostatic coating to this rotary atomization head supply liquid coating, it is characterized in that, possess: the first air ejiction opening of ring-type (for example, the first air ejiction opening 74 described later), it forms around above-mentioned rotary atomization head; The second air ejiction opening of ring-type (for example, the second air ejiction opening 75 described later), it forms around this first air ejiction opening, and is positioned at the rear side of the close above-mentioned first air ejiction opening with respect to the spray direction of coating; And the inclined plane, it is from the above-mentioned second air ejiction opening to the above-mentioned first air ejiction opening (for example, inclined plane 76 described later).
Adopt this invention, be provided with, also be provided with the second air ejiction opening around the first air ejiction opening around the first air ejiction opening of the ring-type of rotary atomization head.And then be provided with from the inclined plane of second air ejiction opening to the first ejiction opening.
Thus, when from the second air ejiction opening ejection air, this air forwards sprays along the inclined plane and forms the air screen, therefore, can make the emission direction of air stable, thereby can easily set application pattern.And, can prevent from the mobile generation whirlpool of air to make its backflow whirlpool that coating does not take place, thereby preventing that nozzle segment from being polluted.
According to the present invention, make main part and head approaching mutually, and, these main parts and head are fixed by bindiny mechanism.Thus, make the outstanding part of cascade stepup transformer insert the insertion section, be connected so that the cascade stepup transformer transmits the road with electric power, and the end face of first stream is connected with the end face of second stream.Thereby, can transmit from the electric power of cascade stepup transformer output via the electric power transfer circuit, can also make optical signal, air and coating second stream that circulates of circulation first stream, perhaps make optical signal, air and the coating of circulation second stream first stream that circulates.So, because applying device is divided into two parts, i.e. main part and head, therefore, even applying device is installed on the robot arm, also needn't pull down the entire coating device from robot arm, head be can only remove, the repairing or the adjustment of applying device just easily carried out.
Description of drawings
Fig. 1 is the stereogram of the action of the related applying device of expression first embodiment of the present invention.
Fig. 2 is the side view of the related applying device of above-mentioned embodiment.
Fig. 3 is the local amplification view of the related applying device of above-mentioned embodiment.
Fig. 4 is the front view of the front end boss portion of the related applying device of above-mentioned embodiment.
Fig. 5 is the stereogram of the step of the connection main part of the applying device that is used to illustrate that above-mentioned embodiment is related and head.
Fig. 6 is the stereogram of the action of the related applying device of expression second embodiment of the present invention.
Fig. 7 is the side view of the related applying device of above-mentioned embodiment.
Fig. 8 is the local amplification view of the related applying device of above-mentioned embodiment.
Fig. 9 is the stereogram of step of the installation guard section of the applying device that is used to illustrate that above-mentioned embodiment is related.
Figure 10 is the stereogram of the schematic configuration of the related applying device of expression an embodiment of the invention.
Figure 11 is the side view of the related applying device of above-mentioned embodiment.
Figure 12 is the cutaway view of the fore-end of the related applying device of above-mentioned embodiment.
Figure 13 is in the related applying device of above-mentioned embodiment, and the figure of the state of auxiliary air has been sprayed in expression.
Figure 14 is in the related applying device of above-mentioned embodiment, has represented to have sprayed the figure of the state of shaping air.
Figure 15 is in the related applying device of above-mentioned embodiment, the figure of the relation between the pattern diameter of the emitted dose of expression shaping air, the emitted dose of auxiliary air and coating.
The drawing reference numeral explanation
1 applying device
10 main parts (body)
12 guard section
13 pipes (first stream)
20 heads (body)
21 rotary atomization heads
24 cascade stepup transformer insertion sections (insertion section)
26 electric power transmit the road
50 connecting rings (bindiny mechanism)
41 cascade stepup transformers
74 first air ejiction openings
75 second air ejiction openings
76 inclined planes
201 the 4th interfaces (end face of second stream)
202 paths (second stream)
433 the 3rd interfaces (end face of first stream)
435 paths (first stream)
The specific embodiment
Below, each embodiment of the present invention is described with reference to the accompanying drawings.
[first embodiment]
Fig. 1 is the stereogram of the action of the related applying device 1 of expression first embodiment of the present invention, and Fig. 2 is the side view of applying device 1.
Applying device 1 is for carrying out the structure of electrostatic coating to the main body 2 of automobile, it possesses: the columned main part 10 that is installed on the front end of robot arm 3; Releasably be arranged at the head 20 of the front end of this main part 10; And as connecting the connecting ring 50 of main part 10 with the bindiny mechanism of head 20.
Fig. 3 is the local amplification view of applying device 1.
Cascade stepup transformer resettlement section 40 is strip, on its base end side and front, is formed with flange shape cardinal extremity flange part 42 and front end boss portion 43.
In cascade stepup transformer resettlement section 40, be formed with through hole 44, and cascade stepup transformer 41 is housed in this through hole 44 from the cardinal extremity face to front end face.Particularly, accommodate cascade stepup transformer 41 so that produce the mode in gap between the internal face of the overwhelming majority of the outer peripheral face of cascade stepup transformer 41 and through hole 44.
On cascade stepup transformer 41, be connected with the low-voltage cable 45 that runs through base portion 30 and extend, the electric power of being supplied with via this low-voltage cable 45 is boosted and export.The front of this cascade stepup transformer 41 is given prominence to along axial from the front end face of front end boss portion 43, and on the front end of this cascade stepup transformer 41, cascade stepup transformer guard shield 46 is installed.
On the outer peripheral face of cascade stepup transformer resettlement section 40, be provided with first interface 401,, connect above-mentioned pipe 13 via joint 402 at these first interface, 401 places.
Cardinal extremity flange part 42 is fixed in base portion 30 with the state of the open surface of obstruction base portion 30.On this cardinal extremity flange part 42, be formed with a plurality of pipe inserting holes 421 that pass aforementioned tube 13.
On the cardinal extremity face of front end boss portion 43, be provided with and be arranged in circular a plurality of second interfaces 431.At these second interface, 431 places, connect above-mentioned pipe 13 via joint 432 respectively.
In addition, on the outer peripheral face of front end boss portion 43, in the whole circumference scope, form projection 434.
Fig. 4 is the front view of front end boss portion 43.
On the front end face of front end boss portion 43, be provided with the 3rd interface 433 of the end face of arranging conduct first stream that is circular.These the 3rd interfaces 433 to be exposing setting with the mode of the neat face of front end face of front end boss portion 43, and via the path 435 as first stream, are communicated with second interface 431 and first interface 401 respectively.
And second interface 431 as shown in Figure 3 is communicated with the through hole 44 of having accommodated cascade stepup transformer 41, and other second interface is not shown, but also is communicated with the 3rd interface 433.
In addition, on the outer circumferential side of the front end face of front end boss portion 43, outstanding being provided with alignment pin 436.
Turn back to Fig. 3, connecting ring 50 is cylindric, and on the inner peripheral surface of the base end side of connecting ring 50, forms projection 51 in the whole circumference scope.In addition, on the inner peripheral surface of connecting ring 50 front, be formed with threaded portion 52.
The projection 434 of the projection 51 of connecting ring 50 by being sticked in front end boss portion 43, thus limited distolateral forward the moving of connecting ring 50, and rotated maintenance freely.
A plurality of pipes 13 have the transparency, and never illustrated smooth supply source, compressed air supply source and coating supply source pass the flange surface of robot arm 3, and extend to the inside of base portion 30.These pipes 13 and then inserted lead in the pipe inserting hole 42 of cascade stepup transformer resettlement section 40, and on the outer peripheral face of cascade stepup transformer resettlement section 40 and extend, to be connected with second interface 431 or first interface 401.
From the optical signal of light supply source supply, from the air of compressed air supply source supply and the liquid coating of supplying with from the coating supply source, stream arrives second interface 431 by these pipes 13, then, arrives the 4th interface 201 by path 435.
In addition, though do not illustrate,, transmit optical signal by this optical fiber containing optical fiber the extended pipe 13 from the light supply source.
The front-end edge of these guard shield sheets 12A, 12B is inserted between the outer peripheral face of front end boss portion 43 of the inner peripheral surface of connecting ring 50 and main part body 11.In addition, the cardinal extremity edge of these guard shield sheets 12A, 12B is embedded in the recess 35 of front of the supporting seat 34 of main part body 11.
On the outer peripheral face of head 20 base end sides, be formed with threaded portion 23, on the threaded portion 23 of this head 20, screw togather the threaded portion 52 of connecting ring 50.
On the cardinal extremity face of head 20, the 3rd interface 433 corresponding positions with being provided with in the front end boss portion 43 of main part 10 are arranged with the 4th interface 201 as the end face of second stream respectively.These the 4th interfaces 201 to be exposing setting with the mode of the neat face of cardinal extremity face of head 20, and via the path 202 as second stream, and are communicated with above-mentioned coating supply unit, gas motor, rotary atomization head 21 and air nozzle 22.
Thus, arrived optical signal, air and the liquid coating of the 4th interface 201, stream passes through these paths 202, and is supplied to coating supply unit, gas motor, rotary atomization head 21 and air nozzle 22.In addition, arrive the 4th interface 201 from coating supply unit, gas motor, rotary atomization head 21 and air nozzle 22 outputs and stream optical signal, air and the liquid coating by path 202, and flow to path 435 and manage 13.
And then, on the cardinal extremity face of head 20, a plurality of O type rings 204 that center on the 4th interface 201 respectively are installed.
At coating supply unit place, be connected with the path of coating circulation and the path of circulation of air.On this coating supply unit, be provided with the paint valve of the path of switch coating circulation, this paint valve is able to switch by air pressure.
At gas motor place, be connected with the path of circulation of air, by to this gas motor supply air, thereby can make rotary atomization head 21 rotation at a high speed.And then, at this gas motor place, be connected with the optical fiber that transmits optical signal, by this optical fiber the revolution of gas motor is exported as optical signal.
At air nozzle 22 places, be connected with the path of circulation of air, by changing the air mass flow of supplying with to this air nozzle 22,, thereby adjust the coating scope with the air mass flow of change from air nozzle 22 injections.
On the cardinal extremity face of head 20, be formed with: as the cascade stepup transformer insertion section 24 of the insertion section of the front of having inserted cascade stepup transformer 41; With the alignment pin patchhole 203 that has inserted alignment pin 436.
On the bottom surface of cascade stepup transformer 24, be provided with the splicing ear 25 that electric power transmits road 26, and this splicing ear 25 is electrically connected with rotary atomization head 21.Transmit road 26 by this electric power, the electric power of exporting from the cascade stepup transformer is transmitted to rotary atomization head 21.
Action to applying device 1 describes.
At first, to gas motor air supply, and make rotary atomization head 21 rotation at a high speed from the air supply source.And then, boost from the electric current of low-tension supply by cascade stepup transformer 41, so that rotary atomization head 21 is applied high-tension electric current.
And, open paint valve to coating supply unit air supply, from this coating supply unit to the inner peripheral surface of rotary atomization head 21 coating that spues.This coating is applied in charged with high voltage, because of the centrifugal force of rotary atomization head 21 becomes spray pattern, and sprays to workpiece from rotary atomization head 21.Thus, carried out electrostatic coating.
Below, the limit is with reference to figure 5, and the limit describes with head 20 step of connecting the main part 10 of applying device 1.
At first, make main part 10 and head 20 approaching mutually, the outstanding part of cascade stepup transformer 41 is inserted in the cascade stepup transformer insertion section 24, and alignment pin 436 is inserted in the alignment pin patchhole 203.Thus, located relative position between these main parts 10 and the head 20.
Then, by making connecting ring 50 rotation, and the threaded portion 52 of connecting ring 50 is screwed together in the threaded portion 23 of head 20.
So, the cardinal extremity face of head 20 and the front end face butt of main part 10, and the 3rd interface 433 is connected with the 4th interface 201.At this moment, the O type ring 204 that is installed on the cardinal extremity face of head 20 is close to the front end face of main part 10, thereby keeps the air-tightness between the 3rd interface 433 and the 4th interface 201.
In addition, meanwhile, the front end face that is inserted into the cascade stepup transformer 41 of cascade stepup transformer insertion section 24 is connected with the splicing ear 25 of cascade stepup transformer insertion section 24.
Adopt present embodiment, have following effect:
(1) makes main part 10 and head 20 approaching mutually, and, these main parts 10 are fixed with head 20 by connecting ring 50.
Thus, make the outstanding part of cascade stepup transformer 41 insert cascade stepup transformer insertion section 24,, and the 3rd interface 433 is connected with the 4th interface 201 so that cascade stepup transformer 41 is connected with the splicing ear 25 on electric power transmission road.Thereby, can transmit from the electric power of cascade stepup transformer 41 outputs via the electric power transfer circuit.In addition, stream is flowed by path 202 by optical signal, air and the coating of pipe 13 and path 435, perhaps make stream pass through pipe 13 and path 435 by optical signal, air and the coating stream of path 202.
So, because applying device 1 is divided into two parts, be main part 10 and head 20, therefore, even applying device 1 is installed on the robot arm 3, when the repairing of carrying out applying device 1 or adjusting, also needn't pull down entire coating device 1 from robot arm 3, head 20 be can only remove, the repairing or the adjustment of applying device just easily carried out.
(2) O type ring 204 is set on the cardinal extremity face of head 20, therefore, can easily confirms the installment state of O type ring 204, thereby can easily keep the air-tightness between the 3rd interface 433 and the 4th interface 201.
[second embodiment]
Fig. 6 is the stereogram of the action of the related applying device 1 of expression second embodiment of the present invention.Fig. 7 is the side view of applying device 1.
Applying device 1 is for carrying out the structure of electrostatic coating to the main body 2 of automobile, it possesses: as the main part 10 of the cylindrical body of the front end that is installed on robot arm 3; Head 20 as the body of the front end that releasably is arranged at this main part 10; And the connecting ring 50 that connects main part 10 and head 20.
Fig. 8 is the local amplification view of applying device 1.
Cascade stepup transformer resettlement section 40 is strip, on its base end side and front, is formed with flange shape cardinal extremity flange part 42 and front end boss portion 43.Thus, the external diameter of the middle body of main part 10 is less than the external diameter of base end side and front.
In cascade stepup transformer resettlement section 40, be formed with through hole 44, and cascade stepup transformer 41 is housed in this through hole 44 from the cardinal extremity face to front end face.Particularly, accommodate cascade stepup transformer 41 so that produce the mode in gap between the internal face of the overwhelming majority of the outer peripheral face of cascade stepup transformer 41 and through hole 44.
On cascade stepup transformer 41, be connected with the low-voltage cable 45 that runs through base portion 30 and extend, the electric power of supplying with via this low-voltage cable 45 is boosted and export.The front of this cascade stepup transformer 41 is given prominence to along axial from the substantial middle of the front end face of front end boss portion 43, and on the front end of this cascade stepup transformer 41, cascade stepup transformer guard shield 46 is installed.
On the outer peripheral face of cascade stepup transformer 40, be provided with first interface 401,, connect above-mentioned pipe 13 via joint 402 at these first interface, 401 places.
Cardinal extremity flange part 42 is fixed in base portion 30 with the state of the open surface of obstruction base portion 30.On this cardinal extremity flange part 42, be formed with a plurality of pipe inserting holes 421 that pass aforementioned tube 13.
On the cardinal extremity face of front end boss portion 43, be provided with arrangement and be circular a plurality of second interfaces 431.At these second interface, 431 places, connect above-mentioned pipe 13 via joint 432 respectively.
In addition, on the outer peripheral face of front end boss portion 43, in the whole circumference scope, form projection 434.
On the front end face of front end boss portion 43, be provided with arrangement and be the 3rd circular interface 433.These the 3rd interfaces 433 to be exposing setting with the mode of the neat face of front end face of front end boss portion 43, and via the path 435 as stream, are communicated with second interface 431 and first interface 401 respectively.
And second interface 431 as shown in Figure 8 is communicated with the through hole 44 of having accommodated cascade stepup transformer 41, and other second interface is not shown, but also is communicated with the 3rd interface 433.
In addition, on the outer circumferential side of the front end face of front end boss portion 43, outstanding being provided with alignment pin 436.
Connecting ring 50 is cylindric, and on the inner peripheral surface of the base end side of connecting ring 50, forms projection 51 in the whole circumference scope.In addition, on the inner peripheral surface of the front of connecting ring 50, be formed with threaded portion 52.
The projection 434 of the projection 51 of connecting ring 50 by being sticked in front end boss portion 43, thus limited distolateral forward the moving of connecting ring 50, and rotated maintenance freely.
A plurality of pipes 13 have the transparency, and never illustrated smooth supply source, compressed air supply source and coating supply source pass the flange surface of robot arm 3, and extend to the inside of base portion 30.These pipes 13 are further inserted to be led in the pipe inserting hole 42 of cascade stepup transformer resettlement section 40, and on the outer peripheral face of cascade stepup transformer resettlement section 40 and extend, is connected with second interface 431 or first interface 401.
From the optical signal of light supply source supply, from the air of compressed air supply source supply and the liquid coating of supplying with from the coating supply source, stream arrives second interface 431 by these pipes 13, then, arrives the 4th interface 201 by path 435.
And, though do not illustrate,, transmit optical signal by this optical fiber containing optical fiber the extended pipe 13 from the light supply source.
The front-end edge of these guard shield sheets 12A, 12B is inserted into and is held between the outer peripheral face of front end boss portion 43 of the inner peripheral surface of connecting ring 50 and main part body 11, and keeps by this connecting ring 50.In addition, the cardinal extremity edge of these guard shield sheets 12A, 12B is embedded in the recess 35 of front of the supporting seat 34 of main part body 11, to keep by this supporting seat 34.
On the outer peripheral face of head 20 base end sides, be formed with threaded portion 23, on the threaded portion 23 of this head 20, screw togather the threaded portion 52 of connecting ring 50.
On the cardinal extremity face of head 20, the 3rd interface 433 corresponding positions with being provided with in the front end boss portion 43 of main part 10 are arranged with the 4th interface 201 respectively.These the 4th interfaces 201 to be exposing setting with the mode of the neat face of cardinal extremity face of head 20, and via the path 202 as stream, and are communicated with above-mentioned coating supply unit, gas motor, rotary atomization head 21 and air nozzle 22.
Thus, arrived optical signal, air and the liquid coating of the 4th interface 201, stream passes through these paths 202, and is supplied to coating supply unit, gas motor, rotary atomization head 21 and air nozzle 22.In addition, arrive the 4th interface 201 from coating supply unit, gas motor, rotary atomization head 21 and air nozzle 22 outputs and stream optical signal, air and the liquid coating by path 202, and flow to path 435 and manage 13.
And then, on the cardinal extremity face of head 20, a plurality of O type rings 204 that center on the 4th interface 201 respectively are installed.
At coating supply unit place, be connected with the path of coating circulation and the path of circulation of air.On this coating supply unit, be provided with the paint valve of the path of switch coating circulation, this paint valve carries out switch by air pressure.
At gas motor place, be connected with the path of circulation of air, by to this gas motor supply air, thereby can make rotary atomization head 21 rotation at a high speed.And then, at this gas motor place, be connected with the optical fiber that transmits optical signal, by this optical fiber the revolution of gas motor is exported as optical signal.
At air nozzle 22 places, be connected with the path of circulation of air, by changing,, thereby adjust the coating scope with the air mass flow of change from air nozzle 22 injections to these air nozzle 22 air supplied flows.
On the cardinal extremity face of head 20, be formed with: the cascade stepup transformer insertion section 24 of having inserted the front of cascade stepup transformer 41; With the alignment pin patchhole 203 that has inserted alignment pin 436.
On the bottom surface of cascade stepup transformer 24, be provided with the splicing ear 25 that electric power transmits road 26, and this splicing ear 25 is electrically connected with rotary atomization head 21.Transmit road 26 by this electric power, the electric power of exporting from the cascade stepup transformer is transmitted to rotary atomization head 21.
Action to applying device 1 describes.
At first, to gas motor air supply, make rotary atomization head 21 rotation at a high speed from the air supply source.And then, boost from the electric current of low-tension supply by cascade stepup transformer 41, so that rotary atomization head 21 is applied high-tension electric current.
And, open paint valve to coating supply unit air supply, to the inner peripheral surface of rotary atomization head 21 coating that spues, it is charged with high voltage that this coating is applied in from this coating supply unit, because of the centrifugal force of rotary atomization head 21 becomes spray pattern, and spray to workpiece from rotary atomization head 21.Thus, carried out electrostatic coating.
Below, the limit is with reference to figure 9, and the limit describes the step of removing guard shield 12 from applying device 1.
At first, make supporting seat 34 rotations, make supporting seat 34 retreat.Thus, the cardinal extremity edge of guard section 12 is removed the maintenance that realizes based on supporting seat 34.Secondly, when the base end side that makes guard section 12 to applying device 1 moved, the front-end edge of guard section 12 was removed the maintenance based on 50 realizations of this connecting ring by from extracting out between connecting ring 50 and the front end boss portion 43.Then, guard section 12 is divided into guard shield sheet 12A and guard shield sheet 12B.Like this, removed guard section 12.
Adopt present embodiment, have following effect:
(1) therefore the external diameter of the middle body of main part body 11, can realize lightweight applying device 1 less than both end sides.
In addition, at least a portion of a plurality of streams is made the pipe 13 with transparency, and will manage 13 outer peripheral faces that are disposed at the middle body of body.Thereby, by should manage the situation in 13 with Visual Confirmation, perhaps measuring appliance is installed in this pipe 13, need not to remove applying devices 1 from robot arm 3, just can easily check the stream of air or coating.
For example, take place under abnormal situation,, just can easily confirm the flow regime of coating by pipe 13 with the circulation of Visual Confirmation coating changing being coated with apply colours of automobile.In addition, take place to be replaced with the pipe that is provided with pressure gauge or flowmeter by pipe under abnormal situation, just can easily confirm the flow regime of air circulation of air in control because of the coating scope.
(4) be provided with the guard section 12 of the middle body of main body covered body 11, therefore, when driving applying device 1, can prevent that managing 13 is polluted.On the other hand, when checking applying device, by only removing guard section 12, just access tube 13 easily.
[the 3rd embodiment]
Figure 10 is the stereogram of the schematic configuration of the related applying device of an embodiment of the invention 1.Figure 11 is the side view of applying device 1.
Applying device 1 is for carrying out the structure of electrostatic coating to the main body 2 of automobile, it possesses: the columned main part 10 that is installed on the front end of robot arm 3; Bending roughly is " く " word shape and can loads and unloads the head 20 of the front end that is arranged at this main part 10 freely with fore-end.
Figure 12 is the cutaway view of the fore-end of head 20.
Gas motor 61 comprises rotating shaft 63 cylindraceous and the motor case 64 that rotatably keeps this rotating shaft 63, by the air of supplying with from not shown air supply source, and makes rotating shaft 63 rotation at a high speed.
Be connected with the path of coating circulation and the path of circulation of air at coating supply unit place.Be provided with the paint valve of the path of switch coating circulation on this coating supply unit, this paint valve is able to switch by air pressure.By changing the air pressure of supplying with to this coating supply unit, with the switch paint valve, thereby adjustment is for the supply of the coating of rotary atomization head 21.
Motor case 64 has: the shell body 641 that centers on the outer peripheral face of rotating shaft 63; With fixing by shell body 641 and insert the logical portion 642 that inserts of leading in the inside of rotating shaft 63.That is, rotating shaft 63 rotatably remains on the shell body 641 of motor case 64 and inserts between the logical portion 642.
Inserting in the logical portion 642, the coating that is provided with the coating circulation of supplying with from above-mentioned coating supply unit is supplied with the cleaning solution supplying road 644 of road 643 and cleaning fluid circulation, and road 643 supplied with by these coating and cleaning solution supplying road 644 arrives to the front end of inserting logical portion 642.
The general cylindrical shape shape of inner air nozzle 71 for diminishing more along with distolateral its external diameter more forward, and front end that should inside air nozzle 71 is positioned near the front end of rotary atomization head 21.
Shaping air nozzle 72 general cylindrical shape shape for diminishing more along with distolateral its external diameter more forward, and front end that should shaping air nozzle 72 is positioned near the front end of rotary atomization head 21.
Gap between shaping air nozzle 72 and the inner air nozzle 71 becomes the first air ejiction opening 74 around the ring-type of rotary atomization head 21, and this first air ejiction opening 74 be positioned at rotary atomization head 21 near.
In the inside of inner air nozzle 71, be formed with a plurality of first air flues 441 that are communicated with the first air ejiction opening 74.Never illustrated air supply source is to these first air flue, 441 air supplies.
When from the air supply source during to first air flue, 441 air supplies, this air that is supplied to sprays to the front-end edge of rotary atomization head 21 from the first air ejiction opening 74, to form shaping air.
Assist the base end side of air nozzle 73, and be somebody's turn to do the base end side that the front end of assisting air nozzle 73 is positioned at shaping air nozzle 72 round shaping air nozzle 72.
Gap between auxiliary air nozzle 73 and the shaping air nozzle 72 becomes around the second air ejiction opening 75 of the ring-type of the first air ejiction opening 74.Thus, the second air ejiction opening 75 is positioned at the rear side of the first air ejiction opening 74 with respect to the spray direction of coating, and the outer peripheral face of shaping air nozzle 72 becomes from the inclined plane of the second air ejiction opening, 75 to first air ejiction openings 74.
In the inside of shaping air nozzle 72, be formed with a plurality of second air flues 751 that are communicated with the second air ejiction opening 75.Never illustrated air supply source is to these second air flue, 751 air supplies.
When from the air supply source during to second air flue, 751 air supplies, this air that is supplied to 76 ejects along the inclined plane from the second air ejiction opening 75, to form auxiliary air.
Below, the action of above-mentioned applying device 1 is described.
At first, to gas motor 61 air supplies, and make rotary atomization head 21 rotation at a high speed from the air supply source.And then, make current boost, and rotary atomization head 21 is applied high-tension electric current from not shown power supply.
And, open paint valve to coating supply unit air supply, supply with coating to supply with road 643 to coating from this coating supply unit.So the front end of supplying with road 643 from coating is to the inner peripheral surface of rotary atomization head 21 coating that spues, this coating is applied in high voltage and charged, because of the centrifugal force of rotary atomization head 21 becomes spray pattern, and from rotary atomization head 21 sprayings to workpiece.Thus, carried out electrostatic coating.
, both ejected shaping air herein, also ejected auxiliary air from the second air ejiction opening 75 from the first air ejiction opening 74.By the emitted dose of suitable these shaping airs of adjustment and the emitted dose of auxiliary air, to adjust the pattern diameter of painted images.
For example, when when the second air ejiction opening 75 ejects auxiliary air, as shown in figure 13, the pattern diameter of the coating of auxiliary air squeeze spray gained.Thus, the pattern diameter of coating is D1.
On the other hand, when when the first air ejiction opening 74 ejects shaping air, as shown in figure 14, the pattern diameter of the coating of the further squeeze spray gained of auxiliary air.Thus, the pattern diameter of coating is the D2 less than D1.
Then, the combination to the emitted dose of the emitted dose of shaping air and auxiliary air describes.
Figure 15 is the figure of the relation between the pattern diameter of the emitted dose of emitted dose, the auxiliary air of expression shaping air and coating.
In Figure 15, the emitted dose of shaping air is along with increasing from S0 to S6 and all the more, and the emitted dose of auxiliary air is along with from A0 to A7 and increase all the more, and the pattern diameter of coating is along with from P0 to P10 and increase all the more.
When the emitted dose of shaping air and auxiliary air reduced, it is big that the pattern diameter becomes.On the other hand, when the emitted dose of shaping air and auxiliary air increased, the pattern diameter diminished.
In addition, if the emitted dose of shaping air is few, then the influence of the emitted dose of auxiliary air increases, and according to the emitted dose of auxiliary air, the pattern vary in diameter is very big.
On the other hand, if the emitted dose of shaping air is many, then the movie star of the emitted dose of auxiliary air reduces, even if the emitted dose of auxiliary air changes, the pattern diameter changes hardly.
In Figure 15, the scope of surrounding with solid line is the big footpath scope of application pattern, by coating speed that reduces applying device or the emitted dose that increases coating, can increase the diameter of application pattern.Thereby, can shorten working hours, thus the quantity of minimizing applying device, to reduce cost.
On the other hand, the scope of surrounding with single-point line is the path scope of application pattern, not only can guarantee the thickness of the coated film of the part that applies, and can reduce because the waste of the material that excessive spraying causes.Its result is to reduce operating cost.
Adopt present embodiment, have following effect.
(5) be provided with around the first air ejiction opening 74 of the ring-type of rotary atomization head 21, also be provided with the second air ejiction opening 75 around the first air ejiction opening 74.And then be provided with from the inclined plane 76 of the second air ejiction opening, 75 to first ejiction openings 74.Thus, when from the second air ejiction opening, 75 ejection air, 76 ejections forwards form the air screen to this air along the inclined plane, therefore, can make the emission direction of air stable, thereby can easily set application pattern.And, can prevent from the mobile generation whirlpool of air to make its backflow whirlpool that coating does not take place, thereby preventing that nozzle segment from being polluted.
Need to prove that the present invention is not limited to above-mentioned embodiment, the distortion in the scope that can realize the object of the invention, improvement etc. all are contained among the present invention.
Claims (4)
1. applying device, it applies high voltage to rotary atomization head, and makes the rotary atomization head rotation, and under this state to this rotary atomization head feed fluid coating, make the charged and atomizing of liquid coating thus, thereby carry out electrostatic coating, it is characterized in that,
Possess: main part; Can be to the head of these main part loading and unloading; The bindiny mechanism that connects described main part and described head,
Be provided with at described main part: the cascade stepup transformer that electric power is boosted and export; A plurality of first streams of representing at least one circulation in optical signal, air and the coating of the rotation number of described rotary atomization head,
Be provided with at described head: described rotary atomization head; Transmission transmits the road from the electric power of the electric power of described cascade stepup transformer output; Second stream,
On the joint face of described main part, at least a portion of described cascade stepup transformer is outstanding, and the end face of described first stream exposes,
Form the insertion section on the joint face of described head, this insertion section connects described electric power and transmits the road, and inserts the outstanding part of described cascade stepup transformer, and the end face of described second stream that is connected with the end face of described first stream exposes.
2. applying device, it applies high voltage to rotary atomization head, and makes the rotary atomization head rotation, and under this state to this rotary atomization head feed fluid coating, make the charged and atomizing of liquid coating thus, thereby carry out electrostatic coating, it is characterized in that,
Possess: body; Be arranged at the rotary atomization head of the front of this body; Extend to front from the base end side of described body, and circulation there are a plurality of streams of air and coating,
The external diameter of the middle body of described body is littler than both end sides,
At least a portion of described a plurality of streams is the pipe with transparency, and is disposed at the outer peripheral face of the middle body of described body.
3. applying device according to claim 2 is characterized in that,
Also possess: the cap that covers the middle body of described main body.
4. applying device, it applies high voltage to rotary atomization head, and makes the rotary atomization head rotation, and under this state to this rotary atomization head feed fluid coating, make the charged and atomizing of liquid coating thus, thereby carry out electrostatic coating, it is characterized in that possessing:
The first air ejiction opening of ring-type, it forms around described rotary atomization head;
The second air ejiction opening of ring-type, it forms around this first air ejiction opening, and with respect to the spray direction of coating, is positioned at the rear side of the described first air ejiction opening;
The inclined plane, it is from the described second air ejiction opening to the described first air ejiction opening.
Applications Claiming Priority (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007244500 | 2007-09-20 | ||
| JP2007-244499 | 2007-09-20 | ||
| JP2007244499 | 2007-09-20 | ||
| JP2007244497A JP4964721B2 (en) | 2007-09-20 | 2007-09-20 | Painting equipment |
| JP2007-244500 | 2007-09-20 | ||
| JP2007244499A JP2009072704A (en) | 2007-09-20 | 2007-09-20 | Coating apparatus |
| JP2007244497 | 2007-09-20 | ||
| JP2007-244497 | 2007-09-20 | ||
| JP2007244500A JP2009072705A (en) | 2007-09-20 | 2007-09-20 | Coating apparatus |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210134696.8A Division CN102632000B (en) | 2007-09-20 | 2008-09-17 | Coating apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101391244A true CN101391244A (en) | 2009-03-25 |
| CN101391244B CN101391244B (en) | 2012-07-04 |
Family
ID=40491869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101309534A Active CN101391244B (en) | 2007-09-20 | 2008-09-17 | Coating apparatus |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4964721B2 (en) |
| CN (1) | CN101391244B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091110A (en) * | 2013-01-25 | 2013-05-08 | 南京理工大学 | Vertical type six-component test bed movable frame device |
| CN106163673A (en) * | 2014-03-25 | 2016-11-23 | 本田技研工业株式会社 | Taic coating device |
| CN109689223A (en) * | 2016-09-23 | 2019-04-26 | 本田技研工业株式会社 | Applying device |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5350132B2 (en) * | 2009-08-20 | 2013-11-27 | 本田技研工業株式会社 | Rotary atomizing coating equipment |
| US8794177B2 (en) | 2011-08-12 | 2014-08-05 | Honda Motor Co., Ltd. | Coating method and coating apparatus |
| CN107614118B (en) * | 2015-06-03 | 2019-11-12 | 本田技研工业株式会社 | Painting device |
| US11020759B2 (en) | 2016-04-20 | 2021-06-01 | Carlisle Fluid Technologies, Inc. | System for controlling air shaping flow in spray cap of spray tool |
| FR3083723B1 (en) * | 2018-07-13 | 2021-02-26 | Exel Ind | TURBINE, FLUID SPRAYING DEVICE, ASSOCIATED INSTALLATION AND MANUFACTURING PROCESS |
| FR3083722B1 (en) * | 2018-07-13 | 2020-10-09 | Exel Ind | TURBINE FOR FLUID SPRAYING DEVICE, FLUID SPRAYING DEVICE, AS WELL AS A SET INCLUDING SUCH A DEVICE AND A TOOL |
| CN114682464B (en) * | 2022-04-24 | 2023-09-26 | 许艳青 | Paint decoration method and device for wooden furniture and furniture |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6256156U (en) * | 1985-09-28 | 1987-04-07 | ||
| FR2692501B1 (en) * | 1992-06-22 | 1995-08-04 | Sames Sa | DEVICE FOR ELECTROSTATIC PROJECTION OF LIQUID COATING PRODUCT WITH ROTATING SPRAY HEAD. |
| DE4306800C2 (en) * | 1993-03-04 | 1998-07-02 | Duerr Gmbh & Co | Coating device with a rotary atomizer |
| US5862988A (en) * | 1996-05-15 | 1999-01-26 | Van Der Steur; Gunnar | Coating apparatus and shroud thereof |
| KR100265890B1 (en) * | 1996-12-03 | 2000-09-15 | 라붸 린도베르 | Rotating atomization head type coating apparatus |
| JP3762888B2 (en) * | 2001-10-17 | 2006-04-05 | 旭サナック株式会社 | Electrostatic coating machine and electrostatic coating method |
| JP2003236417A (en) * | 2002-02-20 | 2003-08-26 | Abb Kk | Rotary atomizing head type coating apparatus |
| US6889921B2 (en) * | 2002-09-30 | 2005-05-10 | Illinois Tool Works Inc. | Bell cup skirt |
| US7128277B2 (en) * | 2003-07-29 | 2006-10-31 | Illinois Tool Works Inc. | Powder bell with secondary charging electrode |
| JP2007203257A (en) * | 2006-02-03 | 2007-08-16 | Duerr Japan Kk | Spray pattern adjustable mechanism and spray pattern adjustable method of bell-type painting apparatus |
-
2007
- 2007-09-20 JP JP2007244497A patent/JP4964721B2/en not_active Expired - Fee Related
-
2008
- 2008-09-17 CN CN2008101309534A patent/CN101391244B/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103091110A (en) * | 2013-01-25 | 2013-05-08 | 南京理工大学 | Vertical type six-component test bed movable frame device |
| CN106163673A (en) * | 2014-03-25 | 2016-11-23 | 本田技研工业株式会社 | Taic coating device |
| CN109689223A (en) * | 2016-09-23 | 2019-04-26 | 本田技研工业株式会社 | Applying device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4964721B2 (en) | 2012-07-04 |
| JP2009072703A (en) | 2009-04-09 |
| CN101391244B (en) | 2012-07-04 |
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