CN109951939B - Multilayer kuppe and UV solidification antifog dust collector for coating line thereof - Google Patents
Multilayer kuppe and UV solidification antifog dust collector for coating line thereof Download PDFInfo
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- CN109951939B CN109951939B CN201910336006.9A CN201910336006A CN109951939B CN 109951939 B CN109951939 B CN 109951939B CN 201910336006 A CN201910336006 A CN 201910336006A CN 109951939 B CN109951939 B CN 109951939B
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- 239000000428 dust Substances 0.000 title claims abstract description 69
- 239000011248 coating agent Substances 0.000 title claims abstract description 14
- 238000000576 coating method Methods 0.000 title claims abstract description 14
- 230000008023 solidification Effects 0.000 title claims abstract description 5
- 238000007711 solidification Methods 0.000 title claims abstract description 5
- 238000007789 sealing Methods 0.000 claims abstract description 11
- 238000009825 accumulation Methods 0.000 claims description 30
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000003848 UV Light-Curing Methods 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 3
- 150000002500 ions Chemical class 0.000 description 30
- 239000010410 layer Substances 0.000 description 30
- 238000006386 neutralization reaction Methods 0.000 description 14
- 230000000694 effects Effects 0.000 description 7
- 230000007935 neutral effect Effects 0.000 description 5
- 230000003068 static effect Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012717 electrostatic precipitator Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 238000013007 heat curing Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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- Prevention Of Fouling (AREA)
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Abstract
The invention relates to a multilayer air guide sleeve which comprises a plurality of sleeves, wherein each sleeve is in a cone shape with a narrow upper part and a wide lower part, an air inlet is formed in the upper end of the sleeve, an air outlet is formed in the lower end of the sleeve, the sizes of the sleeves are different, and the sleeves are concentrically sleeved to form the multilayer air guide sleeve. The utility model provides a dust collector for anti-fog coating line of UV solidification, including the dust cover, set up air intake and air outlet on the dust cover, set up foretell multilayer kuppe on the air intake of dust cover, form sealing connection between the outer housing of multilayer kuppe and the dust cover. The inner space of the air guide sleeve is divided into a plurality of mutually independent channels by the multi-layer cover, the air flow from the air supply pipe respectively enters each independent channel, and the sectional area of each independent channel is smaller than that of the common air guide sleeve, so that the flow velocity of the air flow flowing into each independent channel can not be rapidly reduced, and the air flows entering each channel are separated by the mutually independent channels, thereby preventing the mutual influence.
Description
Technical Field
The invention relates to the technical field of electrostatic dust removal, in particular to a dust removal device for a multilayer air guide sleeve and a UV curing anti-fog coating line.
Background
The processing of the automobile lamp comprises the following steps of injection molding, static electricity removal, gate shearing, annealing, UV dust removal, UV paint spraying, UV light curing, antifogging dust removal, antifogging paint spraying and antifogging heat curing; the three links of static electricity removal, UV dust removal and anti-fog dust removal need to carry out dust removal operation on the lampshade;
the current dust removing equipment, such as an automatic dust removing system applied to coating equipment disclosed in China patent document No. CN207507914U, wherein the used air guide cover is of a common air guide cover, namely a single-layer structure, the inner diameter of the upper end of the air guide cover connected with an air supply pipe is smaller than the inner diameter of the lower end opening of the air guide cover, when the air flow in the air supply pipe flows into the dust removing cover from the air supply pipe, turbulence occurs due to rapid increase of the inner diameter and rapid decrease of the air flow speed, and positive ions and negative ions in the neutralized ion air flow collide to form neutral ions without electrification, so that the effect of the air guide cover on static electricity removal on the surface of a workpiece is lost.
Disclosure of Invention
The invention aims to solve the technical problems that: the multi-layer air guide sleeve overcomes the defects of the prior art, solves the problem that neutral ions which are not charged are easy to collide when the neutral ion airflow is conveyed to a working cavity in the past;
the utility model provides a multilayer kuppe and UV solidification antifog dust collector for coating line thereof, solves the problem that dust collector is poor to work piece surface electrostatic precipitator effect in the past.
The technical scheme adopted for solving the technical problems is as follows: the multilayer air guide sleeve comprises a plurality of sleeves, wherein each sleeve is in a cone shape with a narrow upper part and a wide lower part, an air inlet is formed in the upper end of the sleeve, an air outlet is formed in the lower end of the sleeve, the sizes of the sleeves are different, and the sleeves are concentrically sleeved to form the multilayer air guide sleeve.
Furthermore, a reinforcing rib plate is arranged between two adjacent covers so that the covers are fixedly connected together.
Further, the lower end edge of each housing is rolled to form a skirt.
Further, each housing is a first layer of housing, a second layer of housing, a third layer of housing, a fourth layer of housing and a fifth layer of housing respectively, wherein the fourth layer of housing is positioned in the fifth layer of housing, the third layer of housing is positioned in the fourth layer of housing, the second layer of housing is positioned in the third layer of housing, and the first layer of housing is positioned in the second layer of housing; the five layers of the shells are concentrically arranged, and reinforcing rib plates are fixedly arranged between the five layers of the shells.
In still another aspect, a dust collector for UV curing anti-fog coating line is provided, which comprises a dust cover, wherein an air inlet and an air outlet are formed in the dust cover, the multi-layer air guide cover is arranged on the air inlet of the dust cover, and a sealing connection is formed between an outer layer cover shell of the multi-layer air guide cover and the dust cover.
Further, a working cavity, a return air bottom cavity and a return air side cavity are formed in the dust hood, and the return air bottom cavity is respectively communicated with the working cavity and the return air side cavity;
the air inlet of the dust hood is communicated with the working cavity, and the air outlet of the dust hood is communicated with the return air side cavity;
the air outlet of the dust hood is connected with an air return pipe, the outlet of the air return pipe is connected with a filter, the outlet of the filter is connected with a middle pipe, the outlet end of the middle pipe is connected with an air supply pipe, a fan is arranged between the middle pipe and the air supply pipe, and the outlet of the air supply pipe is connected with an air inlet of an outer shell of the multilayer air guide hood in a sealing manner;
the inner side wall of the blast pipe is provided with a plurality of first electrostatic rods, and the first electrostatic rods are in sealing connection with the blast pipe.
Further, one side of the air supply pipe is connected with an accumulator, and the accumulator comprises an accumulator shell and an electromagnetic valve;
one end of the pressure accumulation shell forms a closed end, the other end of the pressure accumulation shell is communicated with the inner cavity of the air supply pipe, a pressure accumulation cavity is formed in the pressure accumulation shell, a piston is arranged in the pressure accumulation cavity and divides the pressure accumulation cavity into a left cavity and a right cavity, the left cavity is communicated with the inner cavity of the air supply pipe, a spring is arranged in the right cavity, and the spring abuts against the piston to keep a leftward movement trend;
the electromagnetic valve is arranged at the dust hood air inlet to control the on-off of the dust hood air inlet, and the electromagnetic valve is communicated with the air supply pipe.
Further, the piston is made of conductive materials, and a pair of conductive rods are arranged on the inner wall of the right cavity of the pressure accumulation shell;
a series circuit is formed between the two conductive bars and the control part of the relay and the power supply;
and a series circuit is formed between the electromagnetic valve and the relay controlled part and between the electromagnetic valve and the power supply.
Further, a pair of stoppers for limiting the movement position of the piston are arranged on the inner wall of the left cavity of the pressure accumulation shell.
Further, a plurality of second electrostatic rods are arranged on the piston, and working parts of the second electrostatic rods extend into the left cavity.
The beneficial effects of the invention are as follows:
the utility model provides a multilayer kuppe, kuppe inboard space is divided into a plurality of mutually independent passageways by the multilayer housing, and the air current from the blast pipe will get into each independent passageway respectively in, and the cross sectional area in each independent passageway is less than ordinary wind scooper to make the velocity of flow of the air current that flows into in each independent passageway can not drop rapidly, and because mutually independent passageway separates the air current that gets into each passageway, prevents to produce the influence each other, has reduced the probability that produces the air turbulence. The final technical effect is that the concentration of the neutralization ions in the air flow at the outlet of the lower end of the multi-layer air guide cover is larger than that of the neutralization ions in the air flow at the outlet of the lower end of the common air guide cover.
The bottom ends of the multiple layers of the shells are respectively provided with a vertical skirt edge, so that the direction of the air flow reaching the lower ends of the shells can be changed, the air flow is blown downwards vertically and then directly towards the lower workpiece, and the air flow is prevented from colliding with other parts such as the inner wall of the dust hood and generating new turbulence.
The reinforcing ribs are used for connecting the shells, so that the shells are connected into a whole and the connection strength is ensured.
After the multilayer flow guide cover is used, the air flow with the neutralizing ion air flow can directly act on the workpiece in the working cavity after entering the working cavity of the dust cover through the multilayer flow guide cover, so that the probability of collision of neutralizing ions is reduced, and the dust removal effect is improved.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIGS. 1 and 2 are schematic views of a multilayer pod of the present invention;
FIG. 3 is a semi-sectional view of the pod;
wherein, 2, the cover shell, 21, the first cover shell, 22, the second cover shell, 23, the third cover shell, 24, the fourth cover shell, 25, the fifth cover shell, 2A, the skirt edge, 3 and the reinforcing rib plate;
FIG. 4 is a schematic view of a dust extraction device;
the dust-proof device comprises a dust cover 1, a working cavity 1A, a return air bottom cavity 1C, a return air side cavity 4, a filter 41, a primary filter element 42, a secondary filter element 43, a filter shell 5, an air supply pipe 51, a first electrostatic rod 61, an accumulation shell 62, a piston 63, a second electrostatic rod 64, a spring 65, a conductive rod 66, a stop block 71, a power supply 72, a relay 81, a return air pipe 82, an intermediate pipe 83, a fan 9 and a workpiece.
Detailed Description
The invention will now be further described with reference to specific examples. These drawings are simplified schematic views illustrating the basic structure of the present invention by way of illustration only, and thus show only the constitution related to the present invention.
Example 1
As shown in fig. 1 to 3: the utility model provides a multilayer kuppe, includes a plurality of housing 2, and each housing 2 forms the awl tube-shape of upper and lower width, the air inlet is seted up to housing 2 upper end, the gas outlet is seted up to housing 2 lower extreme, and each housing 2 size is all different, and each housing 2 concentric sleeve establishes and forms multilayer kuppe.
A reinforcing rib plate 3 is arranged between two adjacent housings 2 so as to fixedly connect the housings 2 together.
To improve the strength of the shells 2 and the deformation resistance thereof, the lower end edge of each shell 2 is turned over to form a skirt 2A.
In the present embodiment, each of the cases 2 is a first case 21, a second case 22, a third case 23, a fourth case 24, and a fifth case 25, the fifth case 25 is largest in size, the fourth case 24 is located in the fifth case 25, the third case 23 is located in the fourth case 24, the second case 22 is located in the third case 23, and the first case 21 is located in the second case 22; the five layers of shells are concentrically arranged, and reinforcing rib plates 3 are fixedly arranged between the five layers of shells.
When the multi-layer air guide cover is used for conveying the air flow with the neutralized ions, the air flow can enter each independent channel respectively, and the sectional area of each independent channel is smaller than that of a common air guide cover, so that the flow speed of the air flow flowing into each independent channel cannot be rapidly reduced, and the air flows entering each channel are separated by the independent channels, so that the influence of each other is prevented, and the probability of generating air turbulence is reduced. The final technical effect is that the concentration of the neutralization ions in the air flow at the outlet of the lower end of the multi-layer air guide cover is larger than that of the neutralization ions in the air flow at the outlet of the lower end of the common air guide cover.
Example 2
As shown in fig. 4, on the basis of embodiment 1, a dust collector for a UV curing anti-fog coating line is provided, which comprises a dust cover 1, wherein an air inlet and an air outlet are formed in the dust cover 1, the air inlet of the dust cover 1 is provided with a multi-layer air guide cover in embodiment 1, and a fifth-layer housing 25 of the multi-layer air guide cover is in sealing connection with the dust cover 1.
A working cavity 1A, a return air bottom cavity 1B and a return air side cavity 1C are formed in the dust hood, and the return air bottom cavity 1B is respectively communicated with the working cavity 1A and the return air side cavity 1C; an air inlet of the dust hood is communicated with the working cavity 1A, and an air outlet of the dust hood is communicated with the return air side cavity 1C; the air outlet of dust excluding hood is connected with return air pipe 81, return air pipe 81 exit linkage filter 4, filter 4 exit linkage intermediate pipe 82, intermediate pipe 82 exit linkage blast pipe 5, set up fan 83 between intermediate pipe 82 and the blast pipe 5, blast pipe 5 export and multilayer kuppe's fifth layer housing 25 air intake sealing connection. The 5 independent channels of the multilayer air guide sleeve are communicated with the air supply pipe 5.
The filter 4 comprises a filter shell 43, wherein a filter cavity is formed in the filter shell 43, a primary filter element 41 and a secondary filter element 42 are installed in the filter cavity, the grade of the primary filter element 41 is G4, and the grade of the secondary filter element 42 is F8; two types of filter elements belong to conventional products in the field, and can be selected by a person skilled in the art according to the actual needs of users.
A plurality of first electrostatic rods 51 are arranged on the inner side wall of the air supply pipe 5, and the first electrostatic rods 51 are in sealing connection with the air supply pipe 5. The working head of the first electrostatic rod 51 is located in the air supply pipe 5, the first electrostatic rod 51 works to bring neutralization ions to the air in the air supply pipe 5, and the air output by the air supply pipe 5 is provided with the neutralization ions, so that electrostatic dust collection is effectively carried out on the upper surface of the workpiece 99 after the air enters the working cavity 1A.
In order to further increase the impact force to the air flow, an accumulator is connected to one side of the air supply pipe 5, and the accumulator comprises an accumulator shell 61 and an electromagnetic valve;
one end of the pressure accumulation shell 61 forms a closed end, the other end of the pressure accumulation shell 61 is communicated with the inner cavity of the air supply pipe 5, a pressure accumulation cavity is formed in the pressure accumulation shell 61, a piston 62 is arranged in the pressure accumulation cavity, the piston 62 divides the pressure accumulation cavity into a left cavity and a right cavity, the left cavity is communicated with the inner cavity of the air supply pipe 5, a spring 64 is arranged in the right cavity, and the spring 64 abuts against the piston 62 to keep a leftward movement trend;
the electromagnetic valve is arranged at the dust hood air inlet to control the on-off of the dust hood air inlet, and is communicated with the air supply pipe 5.
The piston 62 is made of a conductive material, and in this embodiment, the piston 62 is made of a stainless steel material, which may be a copper material; a pair of conductive bars 65 are installed on the right cavity inner wall of the pressure accumulation shell 61;
a series circuit is formed between the two conductive bars 65 and the control part of the relay 72 and the power supply 71; a series circuit is formed between the solenoid valve and the controlled portion of the relay 72 and the power supply 71.
The left chamber inner wall of the pressure accumulation shell 61 is provided with a pair of stoppers 66, and the stoppers 66 are used for limiting the movement position of the piston 62 in the left chamber and preventing the piston 62 from entering the air supply pipe 5.
In order to increase the number of the neutral ions in the air supply pipe 5, a plurality of second electrostatic rods 63 are mounted on the piston 62, the working parts of the second electrostatic rods 63 extend into the left cavity, the wire harness of each second electrostatic rod 63 is positioned in the right cavity, extends out of the pressure accumulation shell 61 and is in sealing connection with the pressure accumulation shell 61, so that the tightness of the right cavity is ensured.
An ion dust removal air knife and a rotary nozzle are arranged in the working cavity 1A and are used for carrying out electrostatic dust removal on the lower surface of the workpiece 9.
During operation, the fan 83 is operated to pump dust-containing gas into the filter 4 from the return bottom cavity 1B and the return side cavity 1C for dust filtration, the filtered gas is conveyed into the air supply pipe 5 through the fan 83, when the air flows through the first electrostatic rods 51, static neutralization ions generated by the first electrostatic rods 51 are taken away, at the moment, the electromagnetic valve is closed, the air pressure in the air supply pipe 5 is gradually increased, the driving piston 62 overcomes the elasticity of the spring 64 to move rightwards, the right cavity is compressed, the air in the left cavity of the pressure accumulation shell 61 forms more neutralization ions under the action of the second electrostatic rod 63, the rebound force of the spring 64 is larger and larger along with the rightwards movement distance of the piston 62, the air flow rate of the air in the air supply pipe 5 is smaller and is in a stable state, under the continuous operation of the first electrostatic rods 51, the concentrations of the air supply pipe 5 and the left cavity of the pressure accumulation device are continuously increased, and the air in the pressure accumulation device is in contact with the pair of the electromagnetic valve 65 when the piston 62 moves rightwards to the rightwards end, and the relay 72 is controlled to be conducted. Under the combined action of high air pressure, resilience force of the spring 64 and pumping pressure generated by the air supply pipe 5, air in the left cavity of the air supply pipe 5 and the pressure accumulator instantaneously enters the working cavity 1A of the dust hood 1 through the multi-layer air guide cover to impact the upper surface of the workpiece 9, and neutralized ions in air flow are used for dedusting the upper surface of the workpiece 9, and the air flow can be used for flushing the upper surface of the workpiece 9 to improve the dedusting effect.
Ions with set concentration exist in the gas entering the working cavity 1A from the air supply pipe 5, so that the working cavity 1A is filled with homogeneous neutralization ions, and the neutralization ions are combined with ions generated by the ion air knife, so that the concentration of the neutralization ions at all surfaces of the workpiece 9 is improved, and the static electricity removing efficiency is improved.
The opening frequency of the electromagnetic valve, that is, the frequency of the air supply pipe 5 into the working cavity 1A can be adjusted by the rotating speed and the pumping pressure of the variable frequency fan 83, and the concentration of the neutral ions accumulated in the air supply pipe 5 before the electromagnetic valve is opened is also adjusted.
The dust removing device of the invention adopts the multilayer air guide cover, so that the air flow containing the neutralization ions can be divided into a plurality of independent channels to be sent into the working cavity 1A, the flow velocity of the air flow flowing into each independent channel can not be rapidly reduced, and the air flows entering each channel are separated by the independent channels, thus preventing the mutual influence and reducing the probability of generating air turbulence. The final technical effect is that the concentration of the neutralization ions in the air flow at the outlet of the lower end of the multi-layer air guide cover is larger than that of the neutralization ions in the air flow at the outlet of the lower end of the common air guide cover.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (7)
1. The multilayer air guide sleeve is characterized by comprising a plurality of covers, wherein each cover forms a cone shape with a narrow upper part and a wide lower part, an air inlet is formed at the upper end of the cover, an air outlet is formed at the lower end of the cover, the sizes of the covers are different, and the covers are concentrically sleeved to form the multilayer air guide sleeve;
a reinforcing rib plate is arranged between two adjacent housings so that the housings are fixedly connected together;
the lower end edge of each housing is turned over to form a skirt edge;
each housing is respectively a first layer of housing, a second layer of housing, a third layer of housing, a fourth layer of housing and a fifth layer of housing, wherein the fourth layer of housing is positioned in the fifth layer of housing, the third layer of housing is positioned in the fourth layer of housing, the second layer of housing is positioned in the third layer of housing, and the first layer of housing is positioned in the second layer of housing; the five layers of the shells are concentrically arranged, and reinforcing rib plates are fixedly arranged between the five layers of the shells.
2. The utility model provides a dust collector for anti-fog coating line of UV solidification, its characterized in that includes the dust cover, set up air intake and air outlet on the dust cover, set up the multilayer kuppe of claim 1 on the air intake of dust cover, form sealing connection between the outer housing of multilayer kuppe and the dust cover.
3. The dust removing device for the UV curing antifogging coating line according to claim 2, wherein a working cavity, a return air bottom cavity and a return air side cavity are formed in the dust cover, and the return air bottom cavity is respectively communicated with the working cavity and the return air side cavity;
the air inlet of the dust cover is communicated with the working cavity, and the air outlet of the dust cover is communicated with the return air side cavity;
the air outlet of the dust cover is connected with an air return pipe, the outlet of the air return pipe is connected with a filter, the outlet of the filter is connected with a middle pipe, the outlet end of the middle pipe is connected with an air supply pipe, a fan is arranged between the middle pipe and the air supply pipe, and the outlet of the air supply pipe is connected with an air inlet of an outer shell of the multilayer air guide cover in a sealing manner;
the inner side wall of the blast pipe is provided with a plurality of first electrostatic rods, and the first electrostatic rods are in sealing connection with the blast pipe.
4. The dust removing device for a UV curable antifogging coating line according to claim 3, wherein one side of the blast pipe is connected to an accumulator comprising an accumulator case and a solenoid valve;
one end of the pressure accumulation shell forms a closed end, the other end of the pressure accumulation shell is communicated with the inner cavity of the air supply pipe, a pressure accumulation cavity is formed in the pressure accumulation shell, a piston is arranged in the pressure accumulation cavity and divides the pressure accumulation cavity into a left cavity and a right cavity, the left cavity is communicated with the inner cavity of the air supply pipe, a spring is arranged in the right cavity, and the spring abuts against the piston to keep a leftward movement trend;
the electromagnetic valve is arranged at the air inlet of the dust cover to control the on-off of the air inlet of the dust cover, and the electromagnetic valve is communicated with the air supply pipe.
5. The dust collector for a UV curable antifogging coating line according to claim 4, wherein the piston is made of a conductive material, and a pair of conductive bars are installed on the inner wall of the right chamber of the pressure accumulation housing;
a series circuit is formed between the two conductive bars and the control part of the relay and the power supply;
and a series circuit is formed between the electromagnetic valve and the relay controlled part and between the electromagnetic valve and the power supply.
6. The dust collector for a UV curable antifogging coating line according to claim 5, wherein a pair of stoppers for restricting the movement position of the piston are provided on the inner wall of the left chamber of the pressure accumulation housing.
7. The dust collector for UV curable antifogging coating line according to claim 4, wherein a plurality of second electrostatic bars are installed on the piston, and working portions of the second electrostatic bars extend into the left cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910336006.9A CN109951939B (en) | 2019-04-24 | 2019-04-24 | Multilayer kuppe and UV solidification antifog dust collector for coating line thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910336006.9A CN109951939B (en) | 2019-04-24 | 2019-04-24 | Multilayer kuppe and UV solidification antifog dust collector for coating line thereof |
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| CN109951939A CN109951939A (en) | 2019-06-28 |
| CN109951939B true CN109951939B (en) | 2024-03-08 |
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| CN109985859A (en) * | 2019-04-24 | 2019-07-09 | 伟通工业设备（江苏）有限公司 | UV curing anti fogging paint line uniform ion type electrostatic precipitator |
| CN210023079U (en) * | 2019-04-24 | 2020-02-07 | 伟通工业设备（江苏）有限公司 | Uniform ion type electrostatic dust collector for UV curing antifog coating line |
| CN210075671U (en) * | 2019-04-24 | 2020-02-14 | 伟通工业设备（江苏）有限公司 | Multilayer kuppe and dust collector for antifog coating line of UV solidification thereof |
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| CN109951939A (en) | 2019-06-28 |
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