KR101609123B1 - UV curing apparatus - Google Patents

UV curing apparatus Download PDF

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Publication number
KR101609123B1
KR101609123B1 KR1020150095659A KR20150095659A KR101609123B1 KR 101609123 B1 KR101609123 B1 KR 101609123B1 KR 1020150095659 A KR1020150095659 A KR 1020150095659A KR 20150095659 A KR20150095659 A KR 20150095659A KR 101609123 B1 KR101609123 B1 KR 101609123B1
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KR
South Korea
Prior art keywords
ultraviolet lamp
ultraviolet
shutter
lamp
space
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KR1020150095659A
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Korean (ko)
Inventor
김상길
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(주)에스유티
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Publication of KR101609123B1 publication Critical patent/KR101609123B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • 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
    • B05D3/06—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 radiation
    • B05D3/061—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 radiation using U.V.
    • B05D3/065—After-treatment
    • B05D3/067—Curing or cross-linking the coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
    • B01J19/122—Incoherent waves
    • B01J19/123—Ultraviolet light
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/24—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials for applying particular liquids or other fluent materials

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Organic Chemistry (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electromagnetism (AREA)
  • Plasma & Fusion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Abstract

The present invention relates to an ultraviolet curing device for curing a cured product by irradiating ultraviolet rays, and more particularly to an ultraviolet curing device for concentrating ultraviolet rays emitted from an ultraviolet lamp on a cured product to improve the curing quality of the cured product.
The ultraviolet curing apparatus of the present invention comprises: a conveying unit for moving a cured product; A housing positioned above the object to be cured moved by the transfer unit; An ultraviolet lamp mounted inside the housing for irradiating ultraviolet rays to the object; A shutter for blocking or opening a space between the object and the ultraviolet lamp; And a reflector coupled to one surface of the shutter and reflecting the ultraviolet light emitted from the ultraviolet lamp when the space between the handy lamp and the ultraviolet lamp is opened by the shutter.

Description

[0001] The present invention relates to a UV curing apparatus,

The present invention relates to an ultraviolet curing device for curing a cured product by irradiating ultraviolet rays, and more particularly to an ultraviolet curing device for concentrating ultraviolet rays emitted from an ultraviolet lamp on a cured product to improve the curing quality of the cured product.

The ultraviolet curing apparatus can improve the surface hardness of the object to be cured or improve the scratch resistance by using a chemical reaction in which the UV bond is instantaneously cured when ultraviolet rays are applied to the product to which the UV bond is applied. Such ultraviolet curing apparatuses are widely used in various technical fields for producing products.

1 is a view showing a lamp unit of a conventional UV curing apparatus. The conventional ultraviolet curing apparatus includes a UV lamp 1 and a reflector 2 for reflecting ultraviolet rays which are not irradiated in the direction of the cemented carbide 3 among ultraviolet rays irradiated from the UV lamp 1 toward the cemented carbide 3 . Since the ultraviolet rays emitted from the UV lamp 1 are irradiated to the periphery of the handpiece 3 instead of being irradiated toward the handpiece 3, the amount of ultraviolet rays reaching the handpiece 3 decreases. Therefore, a plurality of UV lamps are installed or high power is used to increase the light amount of ultraviolet rays reaching the transparent object 3.

Meanwhile, there has been developed an ultraviolet curing apparatus that includes a UV lamp and a reflector, a shutter capable of blocking or opening the UV lamp and the cured object, and capable of controlling the amount of ultraviolet irradiation of the UV lamp. The size of the housing covering the reflector and the shutter is increased, and the volume of the entire apparatus is increased.

Korean Patent Publication No. 10-1469117 Korean Patent Registration No. 10-1489750

It is an object of the present invention to provide an ultraviolet curing device which can miniaturize the size of an apparatus, easily adjust the light quantity of ultraviolet rays, and uniformly maintain the intensity of ultraviolet rays, thereby effectively curing the object glass.

In order to accomplish the above object, an ultraviolet curing apparatus of the present invention comprises: a conveying unit for moving a cured product; A housing positioned above the object to be cured moved by the transfer unit; An ultraviolet lamp mounted inside the housing for irradiating ultraviolet rays to the object; A shutter for blocking or opening a space between the object and the ultraviolet lamp; And a reflector coupled to one surface of the shutter and reflecting the ultraviolet light emitted from the ultraviolet lamp when the space between the handy lamp and the ultraviolet lamp is opened by the shutter.

And a fixing part for fixing the upper and lower ends of the reflection plate is fixed to the upper and lower parts of the coupling part by bending, The reflection plate is spaced apart from a surface of the shutter on which the coupling portion is formed to form a heat discharge space between the shutter and the reflection plate, and a plurality of cooling holes communicating with the heat discharge space are formed in the shutter through the shutter .

The shutter is composed of two shield plates rotating around a rotation axis and a plurality of contact members spaced apart from each other at a lower end of the shield plate. The contact members respectively coupled to the lower ends of the two shield plates contact each other A space between the handy cargo and the ultraviolet lamp is cut off and the space between the handy cargo and the ultraviolet lamp is blocked by the contact members being in contact with each other, Grooves are formed.

The shutter is equipped with a first blocking member that covers the heat dissipation groove and blocks ultraviolet rays emitted through the heat dissipation groove into the transparent object.

In addition, the UV curing apparatus of the present invention further includes a fixing table mounted inside the housing to fix the UV lamp, wherein the housing is provided with a supply mechanism for introducing cooling air, And an outlet for discharging the cooling air introduced into the inlet to the ultraviolet lamp is formed at a lower portion of the ultraviolet lamp. The cooling air discharged from the outlet is spread from the central portion of the ultraviolet lamp to both sides The temperature deviation due to the axial displacement of the ultraviolet lamp is reduced.

In addition, a clip is formed at both ends of the fixing table so that both ends of the ultraviolet lamp are detachably coupled to each other. On both sides of the passage connecting the inlet and the outlet, a receiving groove into which electric wires for connecting power to the ultraviolet lamp are inserted is disposed Respectively.

The present invention provides an integrated structure of a shutter and a reflector so that the size of the apparatus can be miniaturized while the light amount of the ultraviolet light can be easily adjusted and the temperature deviation in the longitudinal direction of the ultraviolet lamp can be reduced to uniformize the intensity of the ultraviolet light irradiated according to the displacement of the ultraviolet lamp The curing quality of the cured product can be improved.

1 is a view showing a lamp unit of a conventional UV curing apparatus.
2 is a view schematically showing the structure of a UV curing apparatus according to an embodiment of the present invention.
3 is a view showing a fixing table and an ultraviolet lamp separately according to an embodiment of the present invention.
4 is a view of a fixture according to an embodiment of the present invention.
5 is a schematic view showing a side structure of an ultraviolet curing apparatus according to an embodiment of the present invention.
6 is a view for separately showing a shutter according to an embodiment of the present invention;
Fig. 7 is a view showing a state in which the shutter is closed in Fig. 5; Fig.
8 is a view for separately showing a shutter according to an embodiment of the present invention.

The present invention relates to an ultraviolet curing device capable of concentrating ultraviolet rays irradiated from an ultraviolet lamp to a cured object to improve the curing quality of the cured object, and it is an object of the present invention to provide an ultraviolet curing device having an integral structure of a shutter and a reflector, And the temperature deviation in the longitudinal direction of the ultraviolet lamp is reduced, so that the light intensity of the ultraviolet ray irradiated according to the displacement of the ultraviolet lamp is made uniform, and the curing quality of the cured product can be improved.

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

FIG. 2 is a view schematically showing the structure of an ultraviolet curing apparatus according to an embodiment of the present invention. FIG. 3 is a view separately showing a fixing table and an ultraviolet lamp which are coupled to each other. 4 (a) is a plan view of the fixing table, and Fig. 4 (b) is a bottom view of the fixing table. 5 and 7 are side views of a UV curing apparatus to show a side structure of the present invention. And Fig. 8 is a view showing a separate shutter.

2 to 8, the ultraviolet curing apparatus according to an embodiment of the present invention includes a transfer unit 10, a housing 20, a fixing table 30, an ultraviolet lamp 40, a shutter 50, 60).

The transfer unit 10 moves the object to be exposed and exposes the object to be exposed to ultraviolet rays emitted from the ultraviolet lamp 40. The transfer unit 10 may have various structures for allowing the object to be handled to pass through the lower portion of the housing 20 and the ultraviolet lamp 40.

The housing 20 is located at an upper portion of the transfer unit 10 and a fixing table 30, an ultraviolet lamp 40, a shutter 50, and a reflector 60 are located inside. As shown in FIG. 2, a feed mechanism 21 is provided at an upper portion of the housing 20 to receive cooling air from the outside. In the present embodiment, the cooling air introduced into the air supply mechanism 21 is for cooling the ultraviolet lamp 40, and can supply air at room temperature or lower or supply air at room temperature as it is. The cooling air flowing into the air supply mechanism 21 is lowered to the lower portion where the ultraviolet lamp 40 is located while spreading from the central portion of the housing 20 to both sides in the longitudinal direction of the housing 20. At the upper portion of the housing 20, exhaust ports 22 are formed on both sides of the air supply mechanism 21. The air heated by the ultraviolet lamp 40 is exhausted to the outside through the exhaust port 22.

The fixing table 30 is mounted inside the housing 20 to fix the ultraviolet lamp 40. Specifically, the fixing table 30 is disposed inside the housing 20 and is formed to be long along the length direction of the housing 20. As shown in FIG. 3, both ends of the ultraviolet lamp 40 are detachably coupled The clip portion 31 is formed. The clip portion 31 is made of an elastic material and is formed in a shape that can enclose and pressurize the ultraviolet lamp 40 so that the ultraviolet lamp 40 can be fixed or the ultraviolet lamp 40 can be easily separated from the clip portion 31 .

4 (a), the fixing table 30 has a plurality of inflow openings 32 through which the cooling air flows, and as shown in FIG. 4 (b), the inflow opening 32 is formed in the lower side, And a plurality of discharge ports 33 for discharging the cooling air introduced from the ultraviolet lamp 40 are formed. The inlet port 32 and the outlet port 33 are communicated with each other and the plurality of inlet ports 32 and the outlet port 33 are formed along the longitudinal direction of the fixing table 30, Accordingly, the cooling air flowing in from the air supply mechanism 21 flows down to both sides and flows into the inlet 32, and is discharged through the outlet 33 to cool the ultraviolet lamp 40. 5, receiving grooves 34 are formed on both sides of the passages connecting the inlet 32 and the outlet 33 with the ultraviolet lamp 40 and electric wires inserted therein for connecting the power source. The cooling air flowing into the air supply mechanism 21 is divided into both sides of the fixing table 30 around the fixing table 30 to cool down the ultraviolet lamp 40 located below the fixing table 30.

On the other hand, the inlet 32 and the outlet 33 located at both ends of the fixing base 30 among the plurality of the inlet 32 and the outlet 33 are arranged such that the high temperature air heated by the ultraviolet lamp 40 is discharged through the outlet 22 To be discharged to the outside. The cooling air introduced into the housing 20 through the air supply mechanism 21 is discharged through the inlet 32 and the discharge port 33 formed at the center of the fixing table 30 to cool the ultraviolet lamp 40 The hot air heated by the ultraviolet lamp 40 rises through the inlet port 32 and the outlet port 33 located at both ends of the fixing table 30 so as to be exhausted from the exhaust port 22).

The ultraviolet lamp 40 is fixed inside the housing 20 by the fixing table 30 as described above, and irradiates ultraviolet rays to the object to be moved moving by the transferring unit 10. Specifically, as shown in Figs. 2 and 3, the ultraviolet lamp 40 is formed in a long columnar shape, and grip portions 41 are formed at both ends thereof. The ultraviolet lamp 40 is supported by the fixing table 30 by being inserted and fixed in the clip portion 31 and is easily detachable from the fixing table 30.

The ultraviolet lamp 40 is located in the lower portion of the fixing table 30 in the housing 20 and is cooled by the cooling air discharged from the discharge port 33 of the fixing table 30. The ultraviolet lamp 40 heats the ultraviolet lamp 40 and the ultraviolet lamp 40 by irradiating infrared rays together with ultraviolet rays. At this time, since the temperature of the central part of the ultraviolet lamp 40 is higher than that of both end parts in the axial direction, the temperature deviation due to the axial displacement of the ultraviolet lamp 40 becomes large, The center of the ultraviolet lamp 40 is cooled mainly by discharging the cooling air to the center of the ultraviolet lamp 40 through the air supply mechanism 21, the inlet port 32 and the discharge port 33 as described above, The temperature deviation due to the axial displacement of the lens 40 is reduced and ultraviolet rays of uniform luminous intensity are irradiated to the object glass.

The shutter 50 cuts off or opens the space between the object to be moved and the ultraviolet lamp 40 by the transferring unit 10. Specifically, the shutter 50 is formed along the UV lamp 40 and includes two blocking plates 50a and two blocking plates 50a, which rotate about the respective rotation axes 51 as shown in FIG. 5, And a plurality of contact members 50b which are respectively coupled to the lower ends. The shutter 50 can control the amount of ultraviolet light radiated from the ultraviolet lamp 40 in the direction of the handed cargo by adjusting the angle of the blocking plate 50a that rotates about the rotation axis 51. [

6, the plurality of contact members 50b are mounted at the lower ends of the two blocking plates 50a, respectively, in the longitudinal direction, and are held by the shutters 50, as shown in Fig. 7, And the ultraviolet lamp 40 are blocked. The contact members 50b mounted on the different shielding plates 50a are in contact with each other and are spaced apart from each other in the longitudinal direction of the shielding plate 50a in a state where the space between the illuminated goods and the ultraviolet lamps 40 is blocked A heat dissipating groove 52 is formed between the contact member 50b and the contact member 50b. The heat radiation groove 52 is a passage through which the air around the ultraviolet lamp 40 is discharged in a state in which the space between the object glass and the ultraviolet lamp 40 is blocked by the shutter 50 and is closed. At this time, in order to block ultraviolet rays emitted to the lower portion of the housing 20 through the heat dissipating grooves 52, a first blocking member 53 covering the heat dissipating grooves 52 is mounted on one of the shutters 50. The other shutter 50 is provided with a second blocking member 54 having a shorter length than the first blocking member 53. The second blocking member 54 blocks the ultraviolet rays emitted in the direction of the carcass moving by the transferring unit 10 through the cooling holes 58 formed in the contact member 50b. The second blocking member 54 is formed to be shorter than the first blocking member 53 so that interference with the first blocking member 53 does not occur when the shutter 50 is opened or closed.

The two shutters 50 including the blocking plate 50a and the contact member 50b are each formed with a coupling portion 55 to which the reflection plate 60 is detachably coupled to one surface of the shutter 50 facing each other. As shown in FIG. 8, the coupling portion 55 is formed in a curved shape according to the shape of the reflection plate 60. The upper and lower portions of the coupling portion 55 are formed by bending a fixing portion 56 to which upper and lower ends of the reflection plate 60 are inserted and fixed. That is, the fixing portion 56 is formed on the upper portion of the blocking plate 50a and the lower portion of the contact member 50b, respectively. The reflector 60 is supported by the fixing portion 56 and is coupled to the engaging portion 55 and can slide in the longitudinal direction along the bent portion to be coupled to the engaging portion 55 or to be separated from the engaging portion 55 .

The reflecting plate 60 coupled to the coupling part 55 is spaced apart from one surface of the shutter 50 having the coupling part 55 formed thereon so that a heat exhausting space 57 is provided between the shutter 50 and the reflecting plate 60 . The shutter 50 is formed with a plurality of cooling holes 58 penetrating through the shutter 50 and communicating with the heat discharge space 57. Air is introduced into the heat discharge space 57 through a part of the plurality of cooling holes 58 and the air introduced into the heat discharge space 57 and the reflector 60 heated by the ultraviolet lamp 40 And the air heated in the heat discharging space 57 is discharged to the outside of the heat discharging space 57 through the other cooling holes 58. As described above, the air in the heat discharge space 57 circulates through the cooling holes 58, thereby effectively cooling the ultraviolet lamp 40 and its periphery.

The reflector 60 is coupled to the engaging portion 55 of the shutter 50 as described above and when the space between the workpiece and the ultraviolet lamp 40 is opened by the shutter 50, Reflects the ultraviolet rays and concentrates them in the direction in which the target object is located. The reflector 60 is easily replaced and the angle of reflection of the ultraviolet rays can be adjusted by adjusting the angle of the shutter 50. The reflector 60 reflects ultraviolet rays using a cold mirror and transmits infrared rays and light in other wavelength ranges. The infrared ray passing through the reflection plate 60 heats the air in the heat discharge space 57 and the heated air is discharged to the outside of the heat discharge space 57 through the cooling hole 58.

The ultraviolet curing apparatus as described above can reduce the size of the apparatus by making the shutter 50 and the reflector 60 integrally structured so that the light amount of the ultraviolet rays can be easily controlled by adjusting the angle of the shutter 50, The uniformity of the intensity of the ultraviolet rays irradiated according to the longitudinal displacement of the ultraviolet lamp 40 can improve the curing quality of the target object.

The ultraviolet curing apparatus according to the present invention is not limited to the above-described embodiments and can be variously modified and embodied within the scope of the technical idea of the present invention.

10: Feeder,
20: housing, 21: supply mechanism, 22: exhaust port,
30: fixed base, 31: clip portion, 32: inlet, 33: outlet, 34:
40: ultraviolet lamp, 41: grip part,
The present invention relates to a heat exchanger and a method of manufacturing the same, and more particularly, to a heat exchanger, 58: cooling hole
60: reflector,

Claims (6)

A housing positioned on top of the cured material;
An ultraviolet lamp mounted inside the housing for irradiating ultraviolet rays to the object;
A shutter for blocking or opening a space between the object and the ultraviolet lamp;
A reflector coupled to one surface of the shutter and reflecting the ultraviolet light emitted from the ultraviolet lamp in a direction in which the illuminated object is placed when the space between the illuminated object and the ultraviolet lamp is opened by the shutter;
A fixing table mounted inside the housing to fix the ultraviolet lamp; , ≪ / RTI &
Wherein the housing is provided with a supply mechanism and an exhaust opening into which the cooling air is introduced, the supply mechanism being disposed on an upper portion of the central portion of the ultraviolet lamp, the exhaust opening being disposed on both sides of the supply mechanism,
Wherein an inlet port through which the cooling air flows in the upper portion is formed in the longitudinal direction and an outlet port through which the cooling air introduced into the inlet port is discharged to the ultraviolet lamp is formed in the longitudinal direction,
Wherein the cooling air discharged from the outlet is spread on both sides of the central portion of the ultraviolet lamp to reduce a temperature deviation due to axial displacement of the ultraviolet lamp.
The method according to claim 1,
Wherein the reflection plate is formed on one surface thereof with a coupling portion to which the reflection plate is detachably coupled, and a fixing portion to which the upper and lower ends of the reflection plate are inserted and fixed is formed at an upper portion and a lower portion of the coupling portion, The reflector is spaced apart from a surface of the shutter on which the coupling portion is formed to form a heat exhaust space between the shutter and the reflector. A plurality of cooling holes communicating with the heat exhaust space are formed in the shutter through the shutter Wherein the ultraviolet curing device is a UV curing device. The method of claim 2,
Wherein the shutter comprises two shield plates rotating about a rotation axis and a plurality of contact members spaced apart from each other at a lower end of the shield plate,
The contact members respectively coupled to the lower ends of the two blocking plates are in contact with each other to block the space between the object and the ultraviolet lamp,
Wherein heat dissipation grooves are formed between the contact members and the contact members spaced apart from each other in the longitudinal direction of the shutter while the space between the handy lamp and the ultraviolet lamp is blocked. The method of claim 3,
Wherein the shutter is provided with a first blocking member which covers the heat dissipation groove and blocks ultraviolet rays emitted to the object through the heat dissipation groove. delete The method according to claim 1,
The fixing base is provided at both ends thereof with a clip portion to which both ends of the ultraviolet lamp are detachably coupled. On both sides of the passage connecting the inlet and the outlet, a receiving groove is formed in which electric wires for inserting electric power are inserted into the ultraviolet lamp Wherein the ultraviolet curing device comprises:
KR1020150095659A 2015-07-06 2015-07-06 UV curing apparatus KR101609123B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101652800B1 (en) * 2016-05-23 2016-09-01 (주)에스유티 Ultra violet curing apparatus
WO2017196145A1 (en) * 2016-05-13 2017-11-16 티티앤에스 주식회사 Circuit board coating device
CN109340634A (en) * 2018-11-27 2019-02-15 广州黑格智造信息科技有限公司 Photocuring component and photocuring case

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2668833B2 (en) * 1989-03-29 1997-10-27 ウシオ電機株式会社 Light irradiator

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2668833B2 (en) * 1989-03-29 1997-10-27 ウシオ電機株式会社 Light irradiator

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017196145A1 (en) * 2016-05-13 2017-11-16 티티앤에스 주식회사 Circuit board coating device
KR101652800B1 (en) * 2016-05-23 2016-09-01 (주)에스유티 Ultra violet curing apparatus
CN109340634A (en) * 2018-11-27 2019-02-15 广州黑格智造信息科技有限公司 Photocuring component and photocuring case

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