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WO2016060395A1 - Dispositif de chauffage par induction - Google Patents

Dispositif de chauffage par induction Download PDF

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Publication number
WO2016060395A1
WO2016060395A1 PCT/KR2015/010484 KR2015010484W WO2016060395A1 WO 2016060395 A1 WO2016060395 A1 WO 2016060395A1 KR 2015010484 W KR2015010484 W KR 2015010484W WO 2016060395 A1 WO2016060395 A1 WO 2016060395A1
Authority
WO
WIPO (PCT)
Prior art keywords
heating
moving means
axis moving
axis
heating element
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.)
Ceased
Application number
PCT/KR2015/010484
Other languages
English (en)
Korean (ko)
Inventor
손동진
김동환
김종민
탁광용
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongwoo Fine Chem Co Ltd
Original Assignee
Dongwoo Fine Chem Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongwoo Fine Chem Co Ltd filed Critical Dongwoo Fine Chem Co Ltd
Publication of WO2016060395A1 publication Critical patent/WO2016060395A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
    • H05B6/101—Induction heating apparatus, other than furnaces, for specific applications for local heating of metal pieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
    • B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
    • B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
    • B24B9/08—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass
    • B24B9/10—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of glass of plate glass
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/02—Induction heating
    • H05B6/36—Coil arrangements

Definitions

  • the present invention relates to an induction heating apparatus.
  • Glass products are treated as essential components in a wide range of technologies and industries, such as monitors, cameras, VTRs, mobile phones, video and optical equipment, automobiles, transportation equipment, various tableware, and construction facilities. According to the present invention, glass having various physical properties is manufactured and used.
  • a touch screen is a display and input device installed on a monitor for a terminal to perform a specific command to a computer by inputting various data such as simple contact or drawing a character or a picture by using an auxiliary input means such as a finger or a pen.
  • Such touch screens are increasingly important as a key component for various digital devices that transmit or exchange information to one or both of mobile communication devices such as smartphones, computers, cameras, certificates such as certificates, and industrial equipment. The range is expanding rapidly.
  • the upper transparent protective layer directly contacting the user among the components constituting the touch screen is mainly a plastic organic material such as polyester or acrylic, and the material is deformed due to continuous and repeated use and contact due to its low heat resistance and low mechanical strength. There is a limit in durability, such as being scratched or scratched. Therefore, the upper transparent protective layer of the touch screen is gradually replaced by the tempered thin glass which is excellent in heat resistance, mechanical strength and hardness from the conventional transparent plastic. In addition to the use of tempered thin glass as a transparent protective window of the LCD or OLED monitor in addition to the touch screen, its use area is gradually expanding.
  • Tempered glass is compressed due to the large compressive stress present on the surface when it is cut, and it breaks out of chaotic debris instead of the intended shape, or even if the cut is made in the intended shape. Since the stress disappears and the strength decreases, it is difficult to cut to a desired size or shape once it is strengthened regardless of the composition of the glass.
  • the cutting method of tempered glass requires very precise and stringent conditions as compared with the conventional cutting method of glass.
  • the method introduced as the cutting method of such tempered glass is as follows.
  • the diamond or carbide notching wheels are pulled across the glass surface so that the scale is mechanically inscribed on the glass plate, which is then cut by bending the glass plate along the scale to create a cutting edge.
  • mechanical cutting will produce lateral cracks of about 100 to 150 ⁇ m deep, which cracks arise from the cutting line of the eyewheel. Since the lateral cracks lower the strength of the window substrate, the cutouts of the window substrate must be polished and removed.
  • the method expands the glass surface by moving the laser along a predetermined path on the glass surface through a check on the edge of the window substrate, and along the path of the laser, by pulling the surface along with the cooler moving behind it.
  • the window substrate is cut by thermally propagating the cracks.
  • Chamfering process is generally performed by rotating the polishing wheel for the processing of the cut, that is, chamfering. Through the chamfering process, the smoothness of the cut portion is improved and the strength is increased. However, it was difficult to provide a window substrate having excellent strength in the conventional chamfering process.
  • Korean Patent No. 1076105 discloses an edge grinding and / or polishing mechanism and method of a glass sheet.
  • An object of the present invention is to provide an induction heating apparatus capable of obtaining a heating element having a uniform temperature distribution.
  • An object of the present invention is to provide an induction heating apparatus which can obtain a uniform chamfering amount when used for chamfering a glass substrate by induction heating of a heating element.
  • a heating coil connected to the power supply source and having a connection part including a corrugated pipe and a heating part configured to perform heating by power supplied through the connection part from a power supply source;
  • a position correction unit fixed to the crimp tube reference heating unit side connection unit and having an x-axis moving unit and a y-axis moving unit.
  • Induction heating apparatus that can adjust the length and the left and right of the corrugated pipe according to the positional movement of the x-axis and y-axis moving means.
  • the y-axis moving means is the rotation of the second motor and the second motor And a second stage moving along the y axis according to the invention.
  • the y-axis movement means can move in the y-axis along the linear guide rail on the x-axis movement means, induction heating apparatus.
  • the x-axis moving means can move in the x-axis according to the linear guide rail on the y-axis moving means, induction heating apparatus.
  • the chamfering apparatus of glass containing the heat generating body heated by a heating coil, and chamfering glass.
  • the imaging device for imaging the heating element and the heating coil in the upper or lower side of the heating element
  • a control device for calculating an amount of misalignment between the center of the heating element and the center of the heating unit of the heating coil in the captured image received by the imaging device, and controlling the x-axis moving means or the y-axis moving means according to the calculated value.
  • Chamfering device of glass for calculating an amount of misalignment between the center of the heating element and the center of the heating unit of the heating coil in the captured image received by the imaging device, and controlling the x-axis moving means or the y-axis moving means according to the calculated value.
  • the present invention can exactly match the center of the heating coil and the center of the heating element, so that the heating element has a uniform temperature distribution.
  • this is used to chamfer the glass, it is possible to perform a uniform chamfer can be obtained a glass substrate having a high strength.
  • FIG. 1 is a view schematically showing a heating element heated by a high frequency induction heating method.
  • FIG. 2 is a view schematically illustrating a chamfering method in which a heating element is moved while contacting a glass substrate to remove an edge where a horizontal plane and a vertical plane intersect the glass substrate in a strip form by thermal stress.
  • FIG 3 is a diagram illustrating a temperature distribution of a heating element when the center of the induction coil and the center of the heating element do not coincide.
  • FIG. 4 is a schematic plan view of an induction heating apparatus according to an embodiment of the present invention.
  • FIG. 5 is a schematic left side view of an induction heating apparatus according to an embodiment of the present invention.
  • Figure 6 shows a corrugated pipe in the heating coil of the induction heating apparatus according to an embodiment of the present invention.
  • FIG. 7 is a front view of the position correction unit of the induction heating apparatus according to an embodiment of the present invention.
  • FIG. 8 is a schematic perspective view of a position correction unit of an induction heating apparatus according to an embodiment of the present invention.
  • the present invention provides a power supply; And a heating coil connected to the power supply source and having a connection part including a corrugated pipe 33 and a heating part configured to perform heating by electric power supplied through the connection part from a power supply source. And a position corrector fixed to the corrugated pipe reference heater side connection part and having an x-axis moving means and a y-axis moving means.
  • the heating element has a uniform temperature distribution, and when used in the chamfering of the glass, it is possible to perform a uniform chamfering relates to an induction heating apparatus to obtain a glass substrate having a high strength.
  • the present invention relates to an induction heating apparatus, which can be utilized when chamfering a glass substrate by electromagnetic induction heating of a heating element.
  • the heating element 10 heated by the electromagnetic induction by the heating coil 30 contacts the edge of the glass substrate 20 to be subjected to thermal stress. It is a method of chamfering the glass substrate 20 by cutting out the edge part of the glass substrate 20 by this.
  • thermal stress is generated at the corner portion where the heating element 10 is in contact, so that the portion from the heating element contact portion to a predetermined depth is removed. Will fall off. Therefore, when the heating element 10 moves in contact with the edge of the glass substrate 20, the edge of the glass substrate 20 may be chamfered.
  • This method essentially suppresses the generation of glass dust, and since the chamfers are stripped off by the thermal stress, it is possible to remove harmful elements such as cracks remaining on the glass edge without using hydrofluoric acid and a reinforcing agent.
  • the uniform heat distribution of the heating element 10 is important.
  • the portion close to the coil 30 has a high temperature.
  • the temperature away from the coil 30 is shown.
  • the heating element 10 by matching the center of the heating element 10 and the center of the heating coil 30, the heating element 10 to have a uniform temperature distribution, it is uniform when used for chamfering the glass substrate 20 Allow chamfering.
  • Induction heating apparatus includes a power supply, a heating coil and a position correction unit.
  • FIG. 4 is a plan view of an induction heating apparatus according to an embodiment
  • FIG. 5 is a left side view of the induction heating apparatus according to an embodiment of the present invention.
  • the power supply 40 supplies electric power to the heating coil 30 so that the heating unit 32 of the heating coil 30 can heat the heating target.
  • the heating coil 30 has a connection part 31 and a heating part 32.
  • connection unit 31 may be connected to the power supply 40 to receive power from the power supply 40.
  • connection part 31 includes a corrugated pipe 33 as illustrated in FIG. 6.
  • Corrugated pipe 33 is adjustable in length and can be adjusted up, down, left and right, it is possible to adjust the length and left and right according to the position movement of the position correction unit 50 to be described later. This will be described later in detail.
  • the heating unit 32 may perform heating by the power supplied through the connection unit 31.
  • the heating part 32 may be directly connected to the connection part 31 to be supplied with power, and may be indirectly supplied with power through a separate conductor therebetween.
  • the position correction part 50 is fixed to the corrugated pipe 33 reference heating part 32 side connection part 31, and is provided with the x-axis movement means 51 and the y-axis movement means 52. As shown in FIG.
  • connection part 31 is connected and fixed to the power supply 40, and the position correction part 50 is fixed to the connection part 31 on the corrugated pipe 33 reference heating part 32. Accordingly, the length or left and right of the corrugated pipe 33 is adjusted according to the positional movement of the x-axis or y-axis moving means 52, but the heating part 32 is not changed with respect to the remaining part of the heating coil 30. The position can be adjusted.
  • the moving means is not particularly limited, and the method of implementation is not limited as long as it is fixed to the site and can move the site on the x-axis and the y-axis.
  • the y-axis movement means 52 is fixed to the connection portion 31 on the heating part 32 side, and the y-axis movement means 52 is the x-axis. It can move along the y-axis according to the linear guide rail on the moving means 51.
  • the x-axis moving means 51 can move on the x-axis, and the y-axis moving means 52 is located on the x-axis moving means 51, so that the linear guide rail on the x-axis moving means 51 is located.
  • the y-axis moving means 52 is fixed to the connection portion 31 on the heating part 32 side, and the y-axis movement means 52 is the x-axis. It can move along the y-axis according to the linear guide rail on the moving means 51.
  • the x-axis moving means 51 can move on the x-axis
  • the y-axis moving means 52 is located on the x-axis moving means 51, so that the linear guide rail on the x-axis moving means 51 is located.
  • the x-axis moving means 51 is preferably located on the fixed stage connected to the power supply 40 and moved in the x axis according to the linear guide rail on the fixed stage. It may be.
  • the x-axis moving means 51 is fixed to the heating portion 32 side connection portion 31, and the x-axis moving means 51 is the y-axis moving means 52 It can also move along the x-axis according to the linear guide rail on.
  • the y-axis moving means 52 may be located on the fixed stage connected to the power supply 40 and move along the x axis along the linear guide rail on the fixed stage.
  • the x-axis moving means 51 moves in the x-axis according to the rotation of the first motor 51a and the first motor 51a.
  • the first stage 51b may be provided.
  • the y-axis moving means 52 may include a second stage 52b that moves in the y-axis according to the rotation of the second motor 52a and the second motor 52a.
  • the first stage 51b may move along the linear guide rail on the second stage 52b, or conversely, the second stage 52b may move along the linear guide rail on the first stage 51b.
  • this invention provides the chamfering apparatus of the glass containing the said induction heating apparatus.
  • the chamfering apparatus of the glass of this invention includes the heat generating body 10 heated by the said induction heating apparatus and the heating coil 30, and chamfering glass.
  • the heating element 10 may be positioned so that the heating part 32 of the induction heating apparatus is spaced apart from the heating element 10 by a predetermined distance to surround the heating element 10.
  • the heating element 10 is heated by induction heating, and it is possible to chamfer the glass by contacting it with a portion to be chamfered.
  • the chamfering device of the glass of the present invention can be adjusted so that the center of the heating element 10 coincides with the center of the heating part 32 by including an induction heating device that is easy to adjust the position of the heating part 32, Uniform chamfering is possible.
  • the chamfering device of glass of the present invention may further include an imaging device 60 and a control device 70 for ease of position adjustment.
  • the imaging device 60 picks up the heating element 10 and the heating coil 30.
  • Imaging is to obtain an image for calculating the degree of deviation of the center of the heating element 10 and the heating coil 30, in terms of obtaining an image that is easy to calculate the imaging device is the heating element 10 and the heating coil 30 ) May be located above or below, and preferably above or below the vertical.
  • the control device 70 calculates the degree to which the center of the heating element 10 and the center of the heating unit 32 of the heating coil 30 are displaced in the captured image received by the imaging device 60.
  • the center of the heating element 10 and the center of the heating coil 30 are shifted in the x-axis and y-axis directions, and the x-axis moving means 51 is moved in the opposite direction by a distance shifted in the x-axis direction.
  • the y-axis moving means 52 By moving the y-axis moving means 52 in the opposite direction by a distance shifted in the y-axis direction, the center of the heating element 10 and the center of the heating part 32 can be adjusted to coincide.
  • the present invention also provides a heating coil position correction method.
  • the heating element 32 is positioned so that the heating part 32 of the induction heating apparatus is spaced apart from the heating element 10 by a predetermined distance to surround the heating element 10.
  • induction heating may occur by the power supplied from the power supply 40, so that the heating element 10 may be heated.
  • Imaging is to obtain an image for calculating the degree of deviation of the center of the heating element 10 and the heating coil 30, the imaging is the heating element 10 and the heating coil 30 in terms of obtaining an easy to calculate image It may be performed on the upper side or the lower side of, and may be preferably performed on the vertical upper side or the vertical lower side.
  • Imaging may be performed through the imaging device 60 of the chamfering device including the induction heating device, but is not limited thereto.
  • the degree of misalignment between the center of the heating element 10 and the center of the heating coil 30 is calculated from the captured image.
  • the x-axis or y-axis movement means 51, 52 are moved in accordance with the above-described degree of misalignment, and the center of the heating element 10 and the heating part 32 are aligned by adjusting the length and the left and right of the corrugated pipe 33. .
  • the calculation and the movement of the x-axis and y-axis moving means may be performed through the control device 70 of the chamfering device, but is not limited thereto.
  • heating element 20 glass substrate
  • heating coil 31 connection portion

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Ceramic Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Induction Heating (AREA)

Abstract

La présente invention concerne un dispositif de chauffage par induction, et plus spécifiquement, un dispositif de chauffage par induction comprenant : une source d'alimentation électrique ; une bobine de chauffage comprenant des parties de connexion, qui sont connectées à la source d'alimentation électrique et sont pourvues d'un tube ondulé, et d'une partie de chauffage pour chauffer au moyen de l'énergie fournie par la source d'alimentation électrique à travers les parties de connexion ; et une partie de correction de position, qui est fixée à la partie de connexion sur le côté de la partie de chauffage par rapport aux tubes ondulés et est pourvue d'un moyen de déplacement d'axe x et d'un moyen de déplacement d'axe y, la longueur et les côtés gauche et droit du tube ondulé pouvant être contrôlés en déplaçant la position du moyen de déplacement d'axe x et du moyen de déplacement d'axe y, ce qui permet une distribution uniforme de la température d'un corps émetteur de chaleur, et donne un substrat de verre ayant une résistance mécanique élevée par un chanfreinage uniforme lorsque le corps émetteur de chaleur est utilisé pour chanfreiner du verre.
PCT/KR2015/010484 2014-10-17 2015-10-05 Dispositif de chauffage par induction Ceased WO2016060395A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020140141077A KR102185197B1 (ko) 2014-10-17 2014-10-17 유도 가열 장치
KR10-2014-0141077 2014-10-17

Publications (1)

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WO2016060395A1 true WO2016060395A1 (fr) 2016-04-21

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KR (1) KR102185197B1 (fr)
TW (1) TW201625499A (fr)
WO (1) WO2016060395A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102559856B1 (ko) * 2021-09-24 2023-07-26 (주)하나기술 비접촉 가열부재를 이용한 유리판 측면 가공 방법 및 가공 장치
KR102514490B1 (ko) * 2022-07-11 2023-03-27 (주)하나기술 유리 가공장치 및 가공방법
KR102795299B1 (ko) * 2024-01-04 2025-04-16 (주)알티씨 유리 제품의 모서리 가공 장치

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120181264A1 (en) * 2009-09-29 2012-07-19 Picodrill Sa Method of cutting a substrate and a device for cutting
KR20120116604A (ko) * 2011-04-13 2012-10-23 한국기계연구원 코일 위치 자동 정밀 제어에 의한 고주파 유도 가열을 이용한 후판의 3차원 곡가공 장치
KR20130113827A (ko) * 2012-04-06 2013-10-16 주식회사 모린스 고주파를 이용하는 유리연마장치
US20130291598A1 (en) * 2011-01-11 2013-11-07 Asahi Glass Company, Limited Method of cutting strengthened glass plate
KR20140017855A (ko) * 2012-08-01 2014-02-12 주식회사 라미넥스 고주파 유도 가열기를 이용한 유리 모서리 가공 방법 및 장치

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Publication number Priority date Publication date Assignee Title
US7125319B2 (en) 2003-10-27 2006-10-24 Corning Incorporated Apparatus and method for grinding and/or polishing an edge of a glass sheet
KR101438514B1 (ko) * 2013-02-04 2014-09-11 한국원자력연구원 다중 영상을 이용한 원자로 내부 로봇 위치 측정 시스템 및 위치 측정방법

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120181264A1 (en) * 2009-09-29 2012-07-19 Picodrill Sa Method of cutting a substrate and a device for cutting
US20130291598A1 (en) * 2011-01-11 2013-11-07 Asahi Glass Company, Limited Method of cutting strengthened glass plate
KR20120116604A (ko) * 2011-04-13 2012-10-23 한국기계연구원 코일 위치 자동 정밀 제어에 의한 고주파 유도 가열을 이용한 후판의 3차원 곡가공 장치
KR20130113827A (ko) * 2012-04-06 2013-10-16 주식회사 모린스 고주파를 이용하는 유리연마장치
KR20140017855A (ko) * 2012-08-01 2014-02-12 주식회사 라미넥스 고주파 유도 가열기를 이용한 유리 모서리 가공 방법 및 장치

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Publication number Publication date
KR102185197B1 (ko) 2020-12-01
KR20160045469A (ko) 2016-04-27
TW201625499A (zh) 2016-07-16

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