CN107051842A - Paint nodule prevention equipment, system and method and drying system - Google Patents
Paint nodule prevention equipment, system and method and drying system Download PDFInfo
- Publication number
- CN107051842A CN107051842A CN201611191129.0A CN201611191129A CN107051842A CN 107051842 A CN107051842 A CN 107051842A CN 201611191129 A CN201611191129 A CN 201611191129A CN 107051842 A CN107051842 A CN 107051842A
- Authority
- CN
- China
- Prior art keywords
- nozzle
- paint
- enamelled coating
- cylindrical workpiece
- paint knurl
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 239000003973 paint Substances 0.000 title claims abstract description 123
- 238000001035 drying Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 13
- 230000002265 prevention Effects 0.000 title 1
- 238000010926 purge Methods 0.000 claims abstract description 30
- 239000011248 coating agent Substances 0.000 claims description 72
- 238000000576 coating method Methods 0.000 claims description 72
- 238000002347 injection Methods 0.000 claims description 31
- 239000007924 injection Substances 0.000 claims description 31
- 238000012806 monitoring device Methods 0.000 claims description 11
- 238000012544 monitoring process Methods 0.000 claims description 11
- 238000009825 accumulation Methods 0.000 claims description 7
- 239000011159 matrix material Substances 0.000 claims description 4
- 241000208340 Araliaceae Species 0.000 claims 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 1
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 1
- 235000008434 ginseng Nutrition 0.000 claims 1
- 239000007921 spray Substances 0.000 abstract description 7
- 238000007664 blowing Methods 0.000 abstract 3
- 239000000523 sample Substances 0.000 description 10
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 239000003574 free electron Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000010606 normalization Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000007598 dipping method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000000643 oven drying Methods 0.000 description 2
- 238000010422 painting Methods 0.000 description 2
- 238000007592 spray painting technique Methods 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000009970 fire resistant effect Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- B05D3/02—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 baking
- B05D3/0254—After-treatment
-
- 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
- B05B13/0278—Arrangement or mounting of spray heads
-
- 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
- B05D3/04—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 exposure to gases
- B05D3/0406—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 exposure to gases the gas being air
- B05D3/042—Directing or stopping the fluid to be coated with air
Landscapes
- Manufacture Of Motors, Generators (AREA)
- Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
Abstract
The invention discloses paint nodule preventing equipment, a paint nodule preventing system, a paint nodule preventing method and a paint nodule preventing drying system, which are used for blowing redundant paint in a paint drying process to reduce paint nodule generation. The paint nodule preventing device comprises a blowing device and a gas source device, wherein the blowing device comprises a gas inlet and at least one nozzle which is in sealed communication with the gas inlet. The gas source device is provided with a gas outlet, and the gas source device is connected to the gas inlet of the purging device through the gas outlet so as to provide compressed gas for the purging device. When the spray nozzle is used, the at least one spray nozzle is positioned below the cylindrical workpiece which is horizontally arranged in the axial direction and inclines towards the lower circumferential surface of the cylindrical workpiece, and in the projection direction perpendicular to the axis of the cylindrical workpiece, the included angle between the projection of the spray direction of the at least one spray nozzle on the circumferential surface of the cylindrical workpiece and the generatrix of the circumferential surface is between plus thirty degrees and minus thirty degrees.
Description
Technical field
The invention belongs to enamelled coating drying technology field, more particularly to a kind of anti-paint knurl equipment, system, method and drying system
System.
Background technology
Spray painting/japanning processing is usually used in the antirust of equipment/part, insulation, and the drying mode of enamelled coating has natural drying and dried
The mode such as dry.In the drying process, enamelled coating can flow downward along workpiece surface because of gravity, and assemble to form paint at some positions
Knurl so that thickness of paint layer is uneven.In for the spray painting of insulation/japanning processing, thickness of paint layer is uneven be likely to result in it is all
Many influences, for example, coil of stator of motor needs to carry out insulated paint dipping and drying and processing, thickness of paint layer is uneven to be likely to result in
Motor assembling is difficult, operation air gap is less than normal and radiating is obstructed.
The content of the invention
The embodiment of the present invention provides a kind of anti-paint knurl equipment, system, method and drying system, can reduce enamelled coating and dry
The generation of knurl is painted in journey.
There is provided the anti-paint knurl equipment of cylindrical workpiece enamelled coating drying, including blow device and compressed air source unit for first aspect.Purging
Device includes air inlet and seals at least one nozzle connected with air inlet；Compressed air source unit has gas outlet, and compressed air source unit leads to
Gas outlet is crossed to be connected to the air inlet of blow device to provide compressed gas to blow device.In use, making at least one nozzle
Positioned at the axially lower section of horizontally disposed cylindrical workpiece and tilt towards the lower circumference face of cylindrical workpiece, also, perpendicular to
On the projecting direction of cylindrical workpiece axis, the projection and circumference of the injection direction of at least one nozzle on cylindrical workpiece periphery
The bus angle in face is at positive 30 degree to minus between 30 degree.
In the first possible implementation, the quantity of at least one nozzle is multiple, and multiple nozzles include injection side
To first group of nozzle of identical.
With reference to above-mentioned possible implementation, in second of possible implementation, at least two in first group of nozzle
The injection direction of individual nozzle is coplanar.
With reference to above-mentioned possible implementation, in the third possible implementation, multiple nozzles further comprise spray
Penetrate second group of nozzle of direction identical, the injection direction of second group of nozzle and the injection direction of first group of nozzle are respectively facing cylinder
Two end faces of workpiece；In first group of nozzle in the injection direction of any nozzle and second group of nozzle any nozzle injection direction
Projection on the periphery of cylindrical workpiece is not conllinear.
With reference to above-mentioned possible implementation, in the 4th kind of possible implementation, at least two in second group of nozzle
The injection direction of individual nozzle is coplanar.
With reference to above-mentioned possible implementation, in the 5th kind of possible implementation, blow device has at least one
There is the air jet pipe of jet section and air inlet, jet section is nozzle.
With reference to above-mentioned possible implementation, in the 6th kind of possible implementation, at least one nozzle is in cylinder work
The angle of the bus of projection and periphery on part periphery is zero degree.
With reference to above-mentioned possible implementation, in the 7th kind of possible implementation, the jet hole of nozzle is flat port.
With reference to above-mentioned possible implementation, in the 8th kind of possible implementation, nozzle has necessarily to be arranged at
It is one section of straight line vestibule at spray-hole on the matrix of thickness, the aperture of spray-hole.
With reference to above-mentioned possible implementation, in the 9th kind of possible implementation, cylindrical workpiece is motor stator.
Second aspect there is provided a kind of anti-paint knurl system of enamelled coating drying course, including anti-paint knurl equipment, device for detecting temperature and
Control device.Anti- paint knurl equipment is any one the anti-paint knurl equipment provided in first aspect, can be produced with predetermined wind speed
With the air-flow in direction.Device for detecting temperature can obtain the temperature parameter of enamelled coating.Control device be used for receive temperature parameter and
When temperature parameter reaches predetermined value enabling signal is sent to anti-paint knurl equipment.
In the first possible implementation, anti-paint knurl system also includes gel condition monitoring device, can obtain paint
The gel condition parameter of layer；Control device is additionally operable to receive gel condition parameter and when gel condition parameter meets predetermined condition
Stop signal is sent to anti-paint knurl equipment and/or device for detecting temperature.
With reference to above-mentioned possible implementation, in second of possible implementation, gel condition monitoring device is Jie
Power utilization monitoring device, gel condition parameter is the dielectric parameter for the enamelled coating that dielectric monitoring device is obtained.
With reference to above-mentioned possible implementation, in the third possible implementation, predetermined condition is opened for dielectric parameter
Begin to reduce.
With reference to above-mentioned possible implementation, in the 4th kind of possible implementation, dielectric parameter be dielectric constant or
Dielectric loss angle tangent value.
The third aspect is there is provided a kind of drying system, including baker and anti-paint knurl system, and anti-paint knurl system is second aspect
Any one anti-paint knurl system of middle offer.
Fourth aspect reduces paint stacking method there is provided a kind of enamelled coating drying course, axially horizontally disposed for reducing
The paint accumulation in cylindrical workpiece lower circumference face, including：Monitor the temperature of enamelled coating.When temperature reaches predetermined value, using with
The air-flow of predetermined wind speed is purged to the enamelled coating in the lower circumference face of cylindrical workpiece, and the paint of accumulation is purged to lower circumference
The end edge in face drips it.
In the first possible implementation, further comprise monitoring the gel situation of enamelled coating, occur gel in enamelled coating
When stop purging the step of.
With reference to above-mentioned possible implementation, in second of possible implementation, monitor enamelled coating gel situation,
In the step of enamelled coating occurs to stop purging during gel, monitor the dielectric parameter of enamelled coating by dielectric monitor to judge the solidifying of enamelled coating
Gluey condition.
Anti- paint knurl equipment, system, method and drying system that the present invention is provided, can purge work during paint drying
The excess paint on part surface, reduces paint knurl generation.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, will make below to required in the embodiment of the present invention
Accompanying drawing is briefly described, it should be apparent that, drawings described below is only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the anti-paint knurl equipment provided according to one embodiment of the invention and its schematic diagram of application environment；
Fig. 2 is the structural representation of anti-paint knurl equipment shown in Fig. 1；
Fig. 3 is the front view of anti-paint knurl equipment in Fig. 2；
Fig. 4 is Fig. 3 left view；
Fig. 5 looks up the perspective view of direction on the circumferential surface for nozzle edge in Fig. 4；
Direction is looked up in periphery in the nozzle edge of anti-paint knurl equipment of the Fig. 6 to be provided according to an alternative embodiment of the invention
On perspective view；
Fig. 7 is the nozzle arrangements schematic diagram of the anti-paint knurl equipment of the offer according to an alternative embodiment of the invention；
Fig. 8 is the structural representation of the anti-paint knurl system provided according to one embodiment of the invention；
Fig. 9 is the workflow diagram of the anti-paint knurl system provided according to one embodiment of the invention.
Wherein：
Baker 1a- bakers；
2a- stators, 21a- first end faces, 22a- second end faces, 23a- peripheries, 24a- coils, 25a- is unshakable in one's determination；
The anti-paint knurl equipment of 10-；
100- fixing devices, 110- connecting portions, 120- location divisions；
200- blow devices, 210- air inlets, first group of nozzle of 220-, second group of nozzle of 230-；
221- first jets, 222- second nozzles, the nozzles of 223- the 3rd, the nozzles of 231- the 4th, the nozzles of 232- the 5th, 233-
6th nozzle；
221a- first is projected, and 222a- second is projected, and 223a- the 3rd is projected, and 231a- the 4th is projected, and 232a- the 5th is thrown
Shadow, 233a- the 6th is projected；
The anti-paint knurl systems of 500-, 510- control devices, 520- device for detecting temperature, 530- dielectric monitors.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
In the following detailed description, it is proposed that many details, to provide complete understanding of the present invention.But
It is, it will be apparent to those skilled in the art that the present invention can be thin in some in not needing these details
Implement in the case of section.The description to embodiment is used for the purpose of providing to the present invention by showing the example of the present invention below
Be better understood from.The present invention is never limited to any concrete structure set forth below and configuration, but is not departing from the present invention
Spirit on the premise of cover any modification of part, part and connected mode, replacements and improvement.
Implement in addition, described feature, structure or characteristic can be combined in any suitable manner one or more
In example.Embodiments of the invention are fully understood so as to provide there is provided many details in the following description.
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
With reference to Fig. 1 Fig. 2, Fig. 1 is the anti-paint knurl equipment 10 that is provided according to one embodiment of the invention and its application environment
Schematic diagram, Fig. 2 is the structural representation of anti-paint knurl equipment 10 shown in Fig. 1.In the present embodiment, baker 1a is used for the paint to workpiece
Layer is dried, and baker 1a has drying chamber, and inside is hot environment, and is provided with for installing/setting up workpiece to be dried
Device (not shown).Cylindrical workpiece is stator 2a, including unshakable in one's determination and multiple coils, coil encircling iron core is set, and the two, which is formed, determines
Sub- 2a periphery and two end faces (periphery 23a, first end face 21a and second end face 22a shown in Fig. 4).In drying
During, stator 2a is arranged in the form of axis horizontal in baker 1a drying chamber, and the bottom of its periphery and baker 1a
Portion has certain distance.Anti- paint knurl equipment 10 is placed between baker 1a bottoms and stator 2a.In geometry, quilt in revolving body
Rely the point or line referred to as axle of rotation, turn round to form the line referred to as bus of revolving body surface around axle.Alleged by the present invention
The bus of cylindrical workpiece periphery, refers to the geometrical line parallel to cylinder axis on periphery.
Anti- paint knurl equipment 10 includes fixing device 100, blow device 200 and compressed air source unit (not shown).Compressed air source unit can
High pressure gas holder or air compressor etc. are thought, with gas outlet, using the teaching of the invention it is possible to provide compressed air.Fixing device 100 can be as whole
The base of individual anti-paint knurl equipment, anti-paint knurl equipment 10 is by between baker 1a bottoms and stator 2a.
Fixing device 100 is hexahedron installation pedestal, and its top surface and side are connecting portion 110, and bottom surface is location division 120.
Multiple mounting holes are provided with the top surface of fixing device 100, a mounting hole, and the installation on its side are also equipped with sideways
Hole is connected with each mounting hole on top surface.Fixing device 100 is used to blow device 200 is positioned and fixed, and makes to blow
Have between sweeping device 200 and stator 2a and correctly position and prevent the reaction force in the purge of blow device 200 from changing it
Positioning, therefore its structure and form are not limited to form illustrated in the present embodiment.
Blow device 200 includes multiple bend pipes and an air inlet pipe.Two free ends of each bend pipe are respectively linkage section
With jet section, linkage section is used to bend pipe being fixed on fixing device 100, and jet intersegmental part is the tube chamber of certain length, the pipe
Chamber has guide effect to the air-flow for flowing quickly through it, enables to the cross section by the direction of its air-flow ejected and this section
Substantially vertical, i.e. the cross section of injection direction and this section is substantially vertical.In the present embodiment, nozzle is the jet section of bend pipe, spray
The injection direction of mouth is parallel to jet section.The quantity of multiple bend pipes is six, and multiple bend pipes are divided into two groups and by respective
Linkage section is sealably mounted in the mounting hole in connecting portion 110 on top surface, and the nozzle of two groups of bend pipes is towards conversely.First jet
221st, the nozzle 223 of second nozzle 222 and the 3rd is first group of nozzle 220, the 4th nozzle 231, the 5th nozzle 232 and the 6th nozzle
233 be second group of nozzle 230.Two free ends of air inlet pipe are respectively linkage section and air inlet section, and linkage section is used for the company of being connected to
In socket part 110 on the mounting hole of side, the opening of air inlet section is air inlet and the gas outlet for connecting compressed air source unit.
With reference to Fig. 3 to Fig. 5, Fig. 3 is the front view of anti-paint knurl equipment 10 in Fig. 2, and Fig. 4 is Fig. 3 left view, and Fig. 5 is Fig. 4
In nozzle along looking up the perspective view of direction on the circumferential surface.Anti- paint knurl equipment 10 is arranged on below stator 2a so that each
The nozzle of individual bend pipe includes periphery 23a lowest part towards stator 2a lower circumference face, lower circumference face referred to herein
And the part-circular periphery face of the lowest part both sides.The nozzle of each bend pipe is tilted towards periphery 23a, and the injection of each nozzle
Direction is each parallel to the vertical section on stator 2a vertical direction.In other words, on the projecting direction perpendicular to stator 2a axis,
The angle of projection of each nozzle on institute stator 2a peripheries 23a and periphery 23a bus is zero degree.That is, facing upward in Fig. 4
In view, bus of the projection of the injection direction of each nozzle on periphery 23a parallel to periphery 23a.As shown in figure 5,
First jet 221, second nozzle 222, the 3rd nozzle 223, the 4th nozzle 231, the 5th nozzle 232 and the 6th nozzle 233 are in circle
On side face 23a first projection 221a, second projection 222a, the 3rd projection 223a, the 4th projection 231a, the 5th projection 232a and
Buses of the 6th projection 233a each parallel to periphery 23a.
First group of nozzle 220 is different with the injection direction of second group of nozzle 230, the injection direction court of first group of nozzle 220
To stator 2a first end face 21a, the injection direction of second group of nozzle 230 is towards second end face 22a.
In first group of nozzle 220, between the oral area and first end face 21a of the nozzle 223 of second nozzle 222 and the 3rd away from
From equal, the distance between oral area and first end face 21a of first jet 221 are all higher than, the He of second nozzle 222 can be made when using
The oral area of 3rd nozzle 223 is located at stator 2a near middle, and the paint in the middle part of periphery 23a can be blowed to 25a unshakable in one's determination end
Portion.The oral area of first jet 221 is located near stator 2a first end face 21a, the paint of 25a ends unshakable in one's determination can be blowed into coil
24a ends.And the same bus that first jet 221 corresponds on periphery 23a with second nozzle 222, therefore nozzle is at this
There are two purging points on bus, purging effect is more preferable.
In second group of nozzle 230, between the 5th nozzle 232 and the oral area and second end face 22a of the 6th nozzle 233 away from
From equal, the distance between oral area and second end face 22a of the 4th nozzle 231 are all higher than, the He of the 5th nozzle 232 can be made when using
The oral area of 6th nozzle 233 is located at stator 2a near middle, the paint in the middle part of periphery 23a can be blowed into the another of 25a unshakable in one's determination
One end.The oral area of 4th nozzle 231 is located near stator 2a second end face 22a, can blow the paint of 25a ends unshakable in one's determination
To coil 24a ends.And the 4th same bus for corresponding on periphery 23a of nozzle 231 and the 5th nozzle 232, therefore spray
Mouth has two purging points on the bus, and purging effect is more preferable.
Also, any nozzle in any nozzle and second group of nozzle 230 in first group of nozzle 220 both corresponds to difference
Periphery bus, i.e., any nozzle in the injection direction and second group of nozzle 230 of any nozzle in first group nozzle 220
Projection of the injection direction on periphery 23a it is not conllinear.
In an alternative embodiment, the injection direction of each nozzle can not be parallel with the vertical vertical sections of stator 2a,
There can be certain angle therewith, as long as between making projection and circumference bus of the injection direction of nozzle on periphery 23a
Angle is positive and negative between 30 degree.With reference to Fig. 6, Fig. 6 sets for the anti-paint knurl provided according to an alternative embodiment of the invention
The injection direction of each nozzle in the perspective view of direction on the circumferential surface, the present embodiment is looked up in periphery in standby nozzle edge
The angle between projection and circumference bus on 23a is 30 degree, i.e., the first projection 221a, the second projection 222a, the 3rd projection
223a, the 4th projection 231a, the 5th projection 232a and the 6th bus angle for projecting 233a and periphery 23a are 30 degree.
In one alternate embodiment, nozzle can also be the hole with one section of straight line cavity, as shown in fig. 7, Fig. 7 is root
According to the nozzle arrangements schematic diagram in the anti-paint knurl equipment of the offer of an alternative embodiment of the invention.In this alternative embodiment,
Multiple nozzles in blow device are the multiple inclined holes 224 set on certain thickness matrix, and one end of inclined hole 224 leads to
The one section of chamber crossed in matrix, the chamber has the air inlet for air inlet.The other end of inclined hole 224 is outlet, outlet
The one sector hole chamber at place is straight line, and the sector hole chamber has guide effect to the air-flow for flowing quickly through it, enables to be ejected by it
Air-flow direction and the cross section of this section it is substantially vertical, i.e. the cross section of injection direction and this section is substantially vertical.
In another alternative embodiment, the jet hole of nozzle can be flat port, the injection of the nozzle with flat port
The purging area of air-flow is bigger.
In another alternative embodiment, the quantity of nozzle is one, and an end of periphery is may be provided at when using, and
Injection direction can blow to another end face by painting using larger wind speed towards another end by an end face.
The embodiment of the present invention additionally provides a kind of anti-paint knurl system, the oil for reducing paint layer on surface of workpiece in drying course
Paint accumulation, prevents paint knurl from producing.Such as, the enamelled coating on the motor stator surface after dipping lacquer needs to be dried in baker, can be by
Motor stator is arranged in baker in the way of axis horizontal, is dried by the way of rotary furnace drying, the embodiment of the present invention
The anti-paint knurl system provided, can be to handling because of the excess paint that gravity trickles to stator lower circumference face and assembled.
With reference to Fig. 8, Fig. 8 is the structural representation of the anti-paint knurl system 500 provided according to one embodiment of the invention.This is prevented
Painting knurl system 500 includes anti-paint knurl equipment 10, control device 510, device for detecting temperature 520 and gel condition monitoring device.This
Gel condition monitoring device is dielectric monitor 530 in embodiment.Control device 510 is filled with anti-paint knurl equipment 10, temperature monitoring
Put and signal wire is connected between 520 and the three of dielectric monitor 530, and can send what is controlled its each self-starting and stop to three
Signal.Wherein, anti-paint knurl equipment 10 can according to any one anti-paint knurl equipment provided in an embodiment of the present invention.
Anti- paint knurl equipment 10 is connected with compressed gas source, can by solenoid valve control compressed gas source break-make, magnetic valve receives
What control device 510 was sent can open or close compressed gas source when starting or stoping signal.The anti-paint when compressed gas source is opened
Knurl equipment 10 can produce the air-flow with predetermined wind speed and direction, i.e., towards predetermined direction jet-stream wind.
Device for detecting temperature 520 can obtain the temperature parameter of enamelled coating.In the present embodiment, device for detecting temperature 520 is red
Outer online monitoring device, can in high temperature environments work and carry out real time temperature measurement and on-line normalization.Infrared on-line monitoring is set
The standby main frame and temp probe set including split, is connected, main frame and control device between temp probe and main frame with signal wire
510 connect and temperature parameter can be sent to control device 510.Temp probe is arranged in baker, can monitor oven workpiece
Temperature at the temperature on surface, i.e. stator surface enamelled coating, and measured temperature parameter is sent to main frame.
Dielectric monitor 530 includes main frame and electrode probe, is connected between main frame and electrode probe with fire resistant electric wire.Make
Used time, electrode probe is pasted on stator surface or is fixed on stator surface using buckle, and is covered by enamelled coating.Dielectric monitor
530 electrode probe results in the dielectric constant and dielectric loss angle tangent tan δ of enamelled coating.
Control device 510 can for PLC (Programmable Logic Controller programmable logic controller (PLC)s) or
Single-chip microcomputer etc., includes pre-set programs, when the signal of input control device 510 meets default condition in program, control device
510 can send corresponding control instruction.As device for detecting temperature 520 can be by the temperature signal on-line normalization monitored in real time to control
Device 510, control device 510 judges whether the temperature value in temperature signal reaches predetermined value, when judged result is "Yes" then
Enabling signal is sent to dielectric monitor 530.For another example, dielectric monitor 530 can will characterize the gel of enamelled coating gel situation
The dielectric constant of enamelled coating or dielectric loss angle tangent value are such as sent to control and filled to control device 510 by condition parameter on-line normalization
510 are put, control device 510 judges whether gel condition parameter meets preparatory condition, when judged result is "Yes" then to anti-paint
Knurl equipment 10, device for detecting temperature 520 and dielectric monitor 530 send the signal of shutdown.For example, dielectric monitor 530 every five
The dielectric constant or dielectric loss angle tangent value of minute enamelled coating of detection, control device 510 judge that the dielectric in rear acquisition is normal
Whether number or dielectric loss angle tangent value are less than dielectric constant or dielectric loss angle tangent value in preceding acquisition, when judged result is
During "Yes", then the signal of shutdown is sent to anti-paint knurl equipment 10, device for detecting temperature 520 and dielectric monitor 530.
With reference to Fig. 9, Fig. 9 is the workflow diagram of the anti-paint knurl system provided according to one embodiment of the invention, is tied below
Close its workflow and further illustrate the anti-paint knurl system 500 that the present embodiment is provided.
Anti- paint knurl equipment 10 is fixed in baker before system work, its nozzle is located at the lower section in stator lower circumference face
And make its injection direction approximately along stator shaft orientation, and its air-flow sprayed is fallen on the circumferential surface.Device for detecting temperature 520
Temp probe is arranged in baker, and the electrode probe of dielectric monitor 530 is arranged in the enamelled coating on stator.The known stator paint
It is smaller when the viscosity of layer is more than 60 degrees Celsius.
After baker is opened, in-furnace temperature is gradually increasing, and device for detecting temperature 520 is to start the temperature in monitoring baker in real time
Degree, and temperature parameter is delivered to its main frame.Control device 510 obtains said temperature from the main frame of device for detecting temperature 520
Parameter, and judge whether the temperature value in temperature parameter is more than or equal to 60 degrees Celsius.Judged result for it is no when repeat above-mentioned to sentence
Disconnected step；Judged result then sends the enabling signal for starting anti-paint knurl equipment 10 and dielectric monitor 530 when being "Yes".Now prevent
Compressed gas source in paint knurl equipment 10 connects each nozzle, and nozzle starts to purge the excess paint on stator lower circumference face, should
Part excess paint is blown to stator end and dripped.Dielectric monitor 530 is started working simultaneously, and its electrode probe is from enamelled coating
The dielectric parameters such as the dielectric constant and/or dielectric loss angle tangent value of enamelled coating are obtained, and above-mentioned dielectric parameter is sent to its master
Machine.Dielectric monitor 530 can obtain and transmit in real time dielectric parameter, can also according to certain time interval timing acquisition and
Transmit the dielectric parameter of enamelled coating.
Control device 510 receives the dielectric parameter transmitted by dielectric monitor 530, and whether enamelled coating is judged according to dielectric parameter
Generation gel.Specifically, relatively it is adjacent twice/predetermined time interval receive dielectric parameter size, and judge it is rear acquisition
Dielectric constant or dielectric loss angle tangent value whether be less than preceding acquisition dielectric constant or dielectric loss angle tangent value.When sentencing
Disconnected result proceeds above-mentioned comparison when being "No"；Then filled when judged result is "Yes" to anti-paint knurl equipment 10, temperature monitoring
Put 520 and dielectric monitor 530 send stopping signal, termination system work.
By device for detecting temperature 520 to the prison of the monitoring of oven drying temperature and dielectric monitor 530 to enamelled coating dielectric parameter
Survey, can accurately judge the viscosity situation of enamelled coating, anti-paint knurl equipment 10 can be opened and closed on suitable opportunity.It is above-mentioned purged
Cheng Shixian automation mechanized operations, and it is avoided that invalid purging occurs when enamelled coating viscosity is larger when temperature is too low, and avoid enamelled coating
Continue purging during gel and cause enamelled coating out-of-flatness.
The embodiment of the present invention additionally provides a kind of drying system, including baker and anti-paint knurl system.Anti- paint knurl system is used for
Workpiece enamelled coating in baker is handled, prevents excess paint from assembling to form paint knurl.Anti- paint knurl system is the embodiment of the present invention
Any one the anti-paint knurl system provided.
The embodiment of the present invention additionally provides a kind of enamelled coating drying course and reduces paint stacking method, can prevent to be dried
Workpiece surface excess paint is assembled to form paint knurl.
This method can be used for the paint accumulation for reducing axially horizontally disposed cylindrical workpiece lower circumference face, such as reduce rotation
Turn the paint build-up on the stator lower circumference face in drying.This method comprises the following steps：
Monitor the temperature of enamelled coating.Can paint layer on surface of workpiece neighbouring setting thermometer, by manually reading acquisition ring
Border temperature value, or the temperature of stove inner stator face enamelled coating is monitored by sensors such as infrared temperature sensors in real time.
When in-furnace temperature reaches predetermined value, the enamelled coating in stator lower circumference face is entered using the air-flow with predetermined wind speed
Row purging, the end edge by the paint purging of accumulation to lower circumference face drips it.The predetermined value of temperature can make paint
The relatively low temperature of layer viscosity.The paint that for example stator is used viscosity about 11s~13s at 60 degrees Celsius~70 degrees Celsius, with
The viscosity of running water under normal temperature is identical, and its viscosity with temperature raises and continues to reduce, and mobility is preferable.Therefore the predetermined value
It may be configured as 60 degrees Celsius.The airflow direction of purging can substantially with stator diameter parallel, and have between stator circumference face
Certain angle.As the airflow direction that purges can be parallel to vertical to vertical section where axis stator, and and axis stator
Between angle be ten degree.Vertical where airflow direction can also have certain angle to plane between axis stator,
It is such as at positive 30 degree and minus between 30 degree.Multiply air-flow can also be used to purge stator so that same on the circumferential surface
There are two or more purging points on one bus.
Start after purging while monitoring the gel situation of enamelled coating, and stop purging when gel occurs for enamelled coating.Specifically, may be used
Monitor the dielectric parameter of enamelled coating to judge the gel situation of enamelled coating by dielectric monitor, dielectric parameter can for dielectric constant and
Dielectric loss angle tangent value.Molecular weight is smaller before enamelled coating gel, is easily polarized by external electric field, electron displacement polarization, electric dipole
Turning to polarization significantly can largely occur, therefore dielectric constant is larger.Molecular weight increases hundreds of or even thousands of times suddenly after gel,
And network structure is formd, free electron quantity is greatly decreased, and dipole is difficult to polarize, and dielectric constant moment declines.Based on this
Dielectric constant can be used as gel condition parameter, judge whether enamelled coating reaches gel point.In addition, molecular weight before enamelled coating gel
It is smaller, and free electron quantity is more, loss caused by conductance and polarization is larger, therefore tan δ values are also larger, after gel occurs
Free electron quantity is greatly decreased, and is largely crosslinked due to molecule, polymerize as supramolecular, it is difficult to turns to polarization, therefore is situated between
Electrical loss significantly reduces, and tan δ values also significantly reduce.Therefore, it can judge whether enamelled coating starts to coagulate according to dielectric loss angle tangent value
Glue.To sum up, the dielectric constant of enamelled coating or dielectric loss angle tangent value can be as gel condition parameters, and whether the two is in interior hair in short-term
Whether the variation of raw predetermined amplitude can occur the sign of gel as enamelled coating.
By the monitoring to oven drying temperature and the monitoring to enamelled coating dielectric parameter, it can start and stop on suitable opportunity
Purging, can automate whole purge, and invalid purging occurs when enamelled coating viscosity is larger when avoiding temperature too low, with
And avoid continuation purging during enamelled coating gel from causing enamelled coating out-of-flatness.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, various equivalent modifications can be readily occurred in or replaced
Change, these modifications or substitutions should be all included within the scope of the present invention.Therefore, protection scope of the present invention should be with right
It is required that protection domain be defined.
Claims (19)
1. the anti-paint knurl equipment of cylindrical workpiece enamelled coating drying, it is characterised in that including
Blow device (200), including air inlet (210) and seal at least one nozzle for connecting with the air inlet (210)；With
And
Compressed air source unit, with gas outlet, the compressed air source unit is connected to the air inlet of the blow device by the gas outlet
To provide compressed gas to the blow device；
In use, making at least one described nozzle be located at the axially lower section of the horizontally disposed cylindrical workpiece and tilt towards institute
The lower circumference face of cylindrical workpiece is stated, also,
On the projecting direction perpendicular to the cylindrical workpiece axis, the injection direction of at least one nozzle is in the cylinder
The bus angle of projection and the periphery on workpiece periphery is at positive 30 degree to minus between 30 degree.
2. anti-paint knurl equipment according to claim 1, it is characterised in that the quantity of at least one nozzle is many
Individual, the multiple nozzle includes first group of nozzle (220) of injection direction identical.
3. anti-paint knurl equipment according to claim 2, it is characterised in that in first group of nozzle (220) at least
The jet hole of two nozzles is different from the distance of an end face of the cylindrical workpiece.
4. the anti-paint knurl equipment according to Claims 2 or 3, it is characterised in that
The multiple nozzle further comprises second group of nozzle (230) of injection direction identical, second group of nozzle (230)
Injection direction and the injection direction of first group of nozzle (220) are respectively facing two end faces of the cylindrical workpiece；
The injection direction of any nozzle and any nozzle in second group of nozzle (230) in first group of nozzle (220)
Projection of the injection direction on the periphery of the cylindrical workpiece be not conllinear.
5. anti-paint knurl equipment according to claim 4, it is characterised in that in second group of nozzle (230) at least
The jet hole of two nozzles is different from the distance of an end face of the cylindrical workpiece.
6. anti-paint knurl equipment according to claim 1, it is characterised in that the blow device (200) is at least one
Air jet pipe with jet section and the air inlet (210), the jet section is the nozzle.
7. anti-paint knurl equipment according to claim 1, it is characterised in that at least one described nozzle is in the cylinder work
Projection and the angle of the bus of the periphery on part periphery are zero degree.
8. anti-paint knurl equipment according to claim 1, it is characterised in that the jet hole of the nozzle is flat port.
9. anti-paint knurl equipment according to claim 1, it is characterised in that the nozzle is to be arranged at certain thickness
Matrix on spray-hole, be one section of straight line vestibule at the aperture of the spray-hole.
10. anti-paint knurl equipment according to claim 1, it is characterised in that the cylindrical workpiece is motor stator.
11. the anti-paint knurl system of enamelled coating drying course, it is characterised in that including
Anti- paint knurl equipment, is the anti-paint knurl equipment any one of claim 1-10, can produce with predetermined wind speed and
The air-flow in direction；
Device for detecting temperature, can obtain the temperature parameter of the enamelled coating, and
Control device, for receiving the temperature parameter and when the temperature parameter reaches predetermined value to the anti-paint knurl equipment
Send enabling signal.
12. the anti-paint knurl system of enamelled coating drying course according to claim 11, it is characterised in that
Also include gel condition monitoring device, the gel condition parameter of the enamelled coating can be obtained；
The control device is additionally operable to receive the gel condition parameter and when the gel condition parameter meets predetermined condition
Stop signal is sent to the anti-paint knurl equipment and/or device for detecting temperature.
13. the anti-paint knurl system of enamelled coating drying course according to claim 12, it is characterised in that the gel condition monitoring
Device is dielectric monitoring device, and the gel condition parameter is the dielectric ginseng for the enamelled coating that the dielectric monitoring device is obtained
Number.
14. the anti-paint knurl system of enamelled coating drying course according to claim 13, it is characterised in that the predetermined condition is institute
Give an account of electrical parameter and start reduction.
15. the anti-paint knurl system of enamelled coating drying course according to claim 13, it is characterised in that the dielectric parameter is Jie
Electric constant or dielectric loss angle tangent value.
16. drying system, including baker, it is characterised in that also including any described anti-paint knurl system in claim 11-15
System.
17. enamelled coating drying course reduces paint stacking method, for reducing axially horizontally disposed cylindrical workpiece lower circumference face
Paint accumulation, it is characterised in that including：
Monitor the temperature of the enamelled coating；
When the temperature reaches predetermined value, using the air-flow with predetermined wind speed to the lower circumference face of the cylindrical workpiece
Enamelled coating is purged, and the end edge by the paint purging of accumulation to the lower circumference face drips it.
18. method according to claim 17, it is characterised in that further comprise monitoring the gel situation of the enamelled coating,
The step of stopping the purging when gel occurs for the enamelled coating.
19. method according to claim 18, it is characterised in that the gel situation of the monitoring enamelled coating, described
In the step of enamelled coating occurs to stop the purging during gel, monitor the dielectric parameter of the enamelled coating to judge by dielectric monitor
The gel situation of the enamelled coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611191129.0A CN107051842B (en) | 2016-12-21 | 2016-12-21 | Paint nodule prevention equipment, system and method and drying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611191129.0A CN107051842B (en) | 2016-12-21 | 2016-12-21 | Paint nodule prevention equipment, system and method and drying system |
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| CN107051842A true CN107051842A (en) | 2017-08-18 |
| CN107051842B CN107051842B (en) | 2019-07-12 |
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ID=59619224
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611191129.0A Active CN107051842B (en) | 2016-12-21 | 2016-12-21 | Paint nodule prevention equipment, system and method and drying system |
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| CN (1) | CN107051842B (en) |
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| CN108704800A (en) * | 2018-07-27 | 2018-10-26 | 江苏省中跃涂装设备有限公司 | A kind of High Precision Automatic paint finishing |
| CN108714513A (en) * | 2018-05-31 | 2018-10-30 | 深圳华德电子有限公司 | One kind removing fall device and immersion varnish machine |
| CN109686553A (en) * | 2017-10-19 | 2019-04-26 | 株洲中车机电科技有限公司 | A kind of reactor surface impregnating varnish sagging processing method |
| CN113695193A (en) * | 2020-05-22 | 2021-11-26 | 北京金风科创风电设备有限公司 | Paint layer forming method, blowing device and baking equipment of generator |
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| CN109686553B (en) * | 2017-10-19 | 2021-06-18 | 株洲中车机电科技有限公司 | Reactor surface impregnating varnish sagging treatment method |
| CN108714513A (en) * | 2018-05-31 | 2018-10-30 | 深圳华德电子有限公司 | One kind removing fall device and immersion varnish machine |
| CN108714513B (en) * | 2018-05-31 | 2019-11-29 | 深圳华德电子有限公司 | One kind removing fall device and immersion varnish machine |
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| CN113695193A (en) * | 2020-05-22 | 2021-11-26 | 北京金风科创风电设备有限公司 | Paint layer forming method, blowing device and baking equipment of generator |
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|---|---|
| CN107051842B (en) | 2019-07-12 |
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