KR100397146B1 - Press forming apparatus for crt glass - Google Patents
Press forming apparatus for crt glass Download PDFInfo
- Publication number
- KR100397146B1 KR100397146B1 KR10-1999-0006155A KR19990006155A KR100397146B1 KR 100397146 B1 KR100397146 B1 KR 100397146B1 KR 19990006155 A KR19990006155 A KR 19990006155A KR 100397146 B1 KR100397146 B1 KR 100397146B1
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- South Korea
- Prior art keywords
- air
- opening
- basket
- turntable
- air duct
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/02—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing in machines with rotary tables
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/06—Construction of plunger or mould
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B11/00—Pressing molten glass or performed glass reheated to equivalent low viscosity without blowing
- C03B11/005—Pressing under special atmospheres, e.g. inert, reactive, vacuum, clean
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
본 발명은, 원주방향을 따라 다수의 하부몰드가 설치되는 턴테이블을 가지며, 상기 턴테이블에는 상기 각 하부몰드의 하부에서 상향 개구된 공기토출구가 형성된 공기덕트가 마련되어 있는 음극선관용 유리제품의 성형장치에 관한 것으로서, 상향 개구되어 일단이 상기 공기토출구의 개구연부에 고정되어 있는 고정부와 상기 고정부로부터 하향 연장되어 상기 공기덕트내에 마련되며 적어도 하나의 측벽개구가 형성된 측벽부를 갖는 외측바스켓과, 상기 외측바스켓의 내부에 회전가능하게 설치되어 상기 외측바스켓의 측벽개구를 개폐하는 내측바스켓과, 상기 내측바스켓에 축선방향을 따라 저부로부터 상향 연장되며 상부로 갈수록 점진적으로 직경 축소되는 안내면을 갖는 공기안내부재를 포함하는 것을 특징으로 한다. 이에 의하여, 공기덕트내에서 공기토출구로 토출되는 공기의 와류를 방지하여 상향 안내되도록 함으로써 하부몰드를 원활하게 냉각시킬 수 있다.The present invention relates to a molding apparatus for a glass tube for cathode ray tube having a turntable in which a plurality of lower molds are installed along the circumferential direction, and the turntable is provided with an air duct formed with an air outlet opening upwardly from a lower portion of each lower mold. An outer basket having an upper side opening portion having a fixed portion fixed to an opening edge of the air discharge port and extending downwardly from the fixing portion in the air duct and having a side wall portion having at least one side wall opening formed therein; It is rotatably installed in the interior of the inner basket for opening and closing the sidewall opening of the outer basket, and the air guide member having a guide surface extending upwardly from the bottom along the axial direction in the inner basket and gradually reduced in diameter toward the top Characterized in that. As a result, the lower mold can be smoothly cooled by preventing vortices of the air discharged from the air duct to the air discharge port to be guided upward.
Description
본 발명은, 음극선관용 유리제품의 성형장치에 관한 것으로서, 보다 상세하게는, 공기덕트내에서 공기토출구로 토출되는 공기의 와류를 방지하여 상향 안내되도록 함으로써 하부몰드를 원활하게 냉각시킬 수 있는 음극선관용 유리제품의 성형장치에 관한 것이다.The present invention relates to a molding apparatus for a glass product for a cathode ray tube, and more particularly, for a cathode ray tube capable of cooling the lower mold smoothly by preventing vortex of air discharged from the air discharge port to the air discharge port. It relates to a molding apparatus for glass products.
유리제품의 성형은 다양한 방법에 의해 이루어질 수 있으나, 일반적으로 유리제품의 성형은 유리원료를 가열하여 용융상태로 만드는 용융로로부터 액상의 유리물을 성형장치에 공급하여 프레스성형에서와 같이 가압함으로써 이루어진다.The shaping of the glass article may be accomplished by various methods. In general, the shaping of the glass article is performed by supplying a liquid glass material to a forming apparatus from a melting furnace which heats the glass raw material to a molten state and pressurizes it as in press molding.
이렇게 유리제품을 가압성형하는 성형장치에서는 유리제품을 성형할 뿐만 아니라 성형된 유리제품을 냉각 및 취출하는등의 일련의 공정들이 이루어지며, 이러한 공정들은 성형장치내에 마련된 원반상의 턴테이블상에서 이루어진다. 따라서, 턴테이블상에는 둘레방향을 따라 유리제품의 형틀을 이루는 복수개의 하부몰드들이 적치되어 있으며, 이 턴테이블의 상부영역에는 유리물을 가압하는 플런저 및 취출장치, 냉각장치등의 주변장치들이 설비되어 있다.In the molding apparatus for pressing a glass product, a series of processes such as cooling the glass product and cooling and taking out the molded glass product are performed, and these processes are performed on a disk-shaped turntable provided in the molding apparatus. Therefore, on the turntable, a plurality of lower molds forming a mold of glass products are placed along the circumferential direction. In the upper region of the turntable, peripheral devices such as a plunger, a take-out device, and a cooling device for pressurizing the glass are provided.
한편, 일련의 공정들이 수행되는 턴테이블의 내부에는 공기가 유동될 수 있도록 공기덕트가 형성되어 있으며, 하부몰드의 하방 턴테이블상에는 공기덕트로 유동되는 공기가 배출될 수 있도록 공기토출구가 형성되어 있다.Meanwhile, an air duct is formed in the turntable through which a series of processes are performed, and an air discharge port is formed on the lower turntable of the lower mold so that air flowing into the air duct can be discharged.
이에 의해, 하부몰드에 유리물이 제공되어 플런저의 가압에 의해 하부몰드내에서 유리제품이 성형되면, 고온의 유리물을 가압성형함에 따라 온도가 상승된 하부몰드를 적절히 냉각시키기 위해 턴테이블내의 공기덕트로 공기가 유입되고 이 공기는 공기토출구를 통하여 하부몰드를 향해 분사되게 된다. 이에 따라, 하부몰드는 이 공기로 인하여 소정의 온도로 다시 냉각되게 된다.As a result, when the glass is formed in the lower mold by applying the glass to the lower mold and pressurizing the plunger, the air duct in the turntable is appropriately cooled to cool the lower mold in which the temperature is elevated as the high temperature glass is pressed. Air is introduced into the furnace and the air is injected through the air outlet toward the lower mold. Accordingly, the lower mold is cooled again to a predetermined temperature due to this air.
그런데, 이러한 종래의 성형장치에 있어서는, 하부몰드를 냉각시키기 위해 턴테이블내의 공기덕트내로 유입된 공기가 공기토출구의 하방 공기덕트내에서 와류를 일으키게 됨으로써 공기토출구로 원활히 토출되지 못한다는 문제점이 있다.However, in such a conventional molding apparatus, there is a problem that the air introduced into the air duct in the turntable to vortex in the air duct below the air discharge port does not flow smoothly to the air discharge port in order to cool the lower mold.
즉, 공기덕트의 말단영역은 차단되어 있으므로 공기덕트내에서 한 방향으로유동되는 공기는 공기덕트의 말단벽에 부딪쳐 역류하는 공기와 서로 충돌하게 됨으로써 와류를 일으키게 되며, 이러한 원인으로 인하여 공기덕트내의 공기는 공기토출구로 원활히 토출되지 못하게 된다.That is, since the end area of the air duct is blocked, the air flowing in one direction in the air duct collides with the air flowing back by colliding with the end wall of the air duct, causing vortices, which causes the air in the air duct. Is not smoothly discharged to the air outlet.
따라서, 본 발명의 목적은, 공기덕트내에서 공기토출구로 토출되는 공기의 와류를 방지하여 상향 안내되도록 함으로써 하부몰드를 원활하게 냉각시킬 수 있는 음극선관용 유리제품의 성형장치를 제공하는 것이다.Accordingly, an object of the present invention is to provide a molding apparatus for a glass product for cathode ray tube that can cool the lower mold smoothly by preventing the vortex of the air discharged to the air discharge port in the air duct to be guided upward.
도 1은 본 발명에 따른 음극선관용 유리제품의 개략적인 측단면도,1 is a schematic side cross-sectional view of a glass article for cathode ray tube according to the present invention,
도 2는 도 1의 부분확대 측단면도,2 is a partially enlarged side cross-sectional view of FIG.
도 3은 본 발명에 따른 공기안내부재의 사시도이다.3 is a perspective view of the air guide member according to the present invention.
* 도면의 주요 부분에 대한 부호의 설명* Explanation of symbols for the main parts of the drawings
10 : 지지프레임 14 : 턴테이블10: support frame 14: turntable
15 : 하부몰드용 공기덕트 19 : 하부몰드15: air duct for the lower mold 19: lower mold
20 : 공기토출구 26 : 외측바스켓20: air outlet 26: outer basket
30 : 내측바스켓 32 : 공기안내부재30: inner basket 32: air guide member
상기 목적은, 본 발명에 따라, 원주방향을 따라 다수의 하부몰드가 설치되는 턴테이블을 가지며, 상기 턴테이블에는 상기 각 하부몰드의 하부에서 상향 개구된 공기토출구가 형성된 공기덕트가 마련되어 있는 음극선관용 유리제품의 성형장치에 있어서, 상향 개구되어 일단이 상기 공기토출구의 개구연부에 고정되어 있는 고정부와 상기 고정부로부터 하향 연장되어 상기 공기덕트내에 마련되며 적어도 하나의 측벽개구가 형성된 측벽부를 갖는 외측바스켓과, 상기 외측바스켓의 내부에 회전가능하게 설치되어 상기 외측바스켓의 측벽개구를 개폐하는 내측바스켓과, 상기 내측바스켓에 축선방향을 따라 저부로부터 상향 연장되며 상부로 갈수록 점진적으로 직경 축소되는 안내면을 갖는 공기안내부재를 포함하는 것을 특징으로 하는 음극선관용 유리제품의 성형장치에 의해 달성된다.The object is, according to the present invention, has a turntable in which a plurality of lower molds are installed along the circumferential direction, wherein the turntable is a glass product for cathode ray tubes provided with an air duct formed with an air outlet opening upwardly from the lower portion of each lower mold An apparatus for forming a mold, comprising: an outer basket having a fixing portion which is upwardly open and whose one end is fixed to an opening edge of the air discharge port, and which extends downwardly from the fixing portion, is provided in the air duct, and has a sidewall portion having at least one sidewall opening; And an inner basket rotatably installed in the outer basket to open and close the sidewall opening of the outer basket, and an air having a guide surface extending upwardly from the bottom along the axial direction in the inner basket and gradually decreasing in diameter toward the upper portion. Cathode ray tube glass comprising a guide member Achieved by a molding apparatus for the product.
여기서, 상기 공기안내부재는 원추대형상을 갖는 것이 바람직하다.Here, the air guide member preferably has a truncated cone shape.
또한, 상기 공기안내부재는 상기 공기토출구의 축선상에 배치되어 상기 내측바스켓에 고정볼트로 고정되어 있는 것이 효과적이다.In addition, the air guide member is disposed on the axis of the air discharge port is effectively fixed to the inner basket with a fixing bolt.
이하에서는 첨부도면을 참조하여 본 발명에 대해 상세히 설명한다.Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.
도 1은 본 발명에 따른 음극선관용 유리제품의 개략적인 측단면도이다. 이 도면에 도시된 바와 같이, 본 발명에 따른 음극선관용 유리제품의 성형장치는, 지지프레임(10)과, 지지프레임(10)의 중앙영역에 기립되게 설치된 칼럼(12)과, 칼럼(12)을 중심으로 회전하는 원반상의 턴테이블(14)과, 턴테이블(14)의 둘레방향에 배치되어 성형될 유리제품의 외표면을 형성하는 하부몰드(19)와, 하부몰드(19)와 동축선을 가지며 승강하는 플런저(미도시)와, 이들에 수반되는 다수의 주변장치로 구성되어 있다.1 is a schematic side cross-sectional view of a glass article for cathode ray tube according to the present invention. As shown in this figure, the apparatus for forming a glass article for cathode ray tube according to the present invention, the support frame 10, the column 12 is installed standing up in the central region of the support frame 10, and the column 12 A disk-shaped turntable 14 that rotates about the lower mold, a lower mold 19 disposed in the circumferential direction of the turntable 14 to form an outer surface of the glass product to be molded, and a lower mold 19 having a coaxial line. It is comprised by the lifting and lowering plunger (not shown) and many peripheral apparatuses accompanying them.
턴테이블(14)의 내부는 공기가 두 갈래로 유동될 수 있도록 복수의 공기덕트(15,17)로 이루어져 있으며, 이 중 하나는 턴테이블(14) 자체의 냉각을 위해 공기가 순환되는 턴테이블용 공기덕트(17)이며, 다른 하나는 턴테이블(14)상에 형성된 공기토출구(20)로 토출되어 공기토출구(20)의 상부영역에 배치된 하부몰드(19)를 냉각시키기 위한 하부몰드용 공기덕트(15)이다.The inside of the turntable 14 is composed of a plurality of air ducts (15, 17) to allow air to flow in two branches, one of which is an air duct for the turntable through which air is circulated for cooling the turntable 14 itself (17), and the other is the lower mold air duct 15 for cooling the lower mold 19 disposed in the upper region of the air discharge port 20 is discharged to the air discharge port 20 formed on the turntable (14) )to be.
한편, 도 2는 도 1의 부분확대 측단면도이며, 도 3은 본 발명에 따른 공기안내부재의 사시도이다. 이들 도면에 도시된 바와 같이, 턴테이블(14)에는 공기덕트(15)내에서 유동되는 공기가 토출될 수 있도록 공기토출구(20)가 형성되어 있으며, 이 공기토출구(20)의 상부영역에는 하부몰드(19)가 마련되어 있다. 그리고, 하부몰드(19)와 턴테이블(14) 사이에는 하부몰드(19)를 지지하는 페디스털(22)이 설치되어 있다.On the other hand, Figure 2 is a partially enlarged side cross-sectional view of Figure 1, Figure 3 is a perspective view of the air guide member according to the present invention. As shown in these figures, the air discharge port 20 is formed in the turntable 14 so that air flowing in the air duct 15 can be discharged, and the lower mold is formed in the upper region of the air discharge port 20. (19) is provided. The pedestal 22 supporting the lower mold 19 is provided between the lower mold 19 and the turntable 14.
한편, 공기토출구(20)의 하방 공기덕트(15)내에는 공기토출구(20)와 연통되도록 상향 개구되어 일단이 턴테이블(14)상에 나사결합되어 있는 고정부(28)와 타단이 턴테이블(14)의 하단 바스켓수용부(36)에 고정되어 있으며, 다수개의 측벽개구(29)가 형성되어 있는 통형상의 측벽부(27)를 갖는 바스켓형상의 외측바스켓(26)이 마련되어 있다. 그리고, 이 외측바스켓(26)의 내부에는 고정된 외측바스켓(26)에 대하여 회전가능하도록 회전축(34)이 형성되어 외측바스켓(26)의 측벽개구(29)를 선택적으로 개폐하는 내측바스켓(30)이 마련되어 있다.On the other hand, in the lower air duct 15 of the air discharge port 20 is opened upwardly to communicate with the air discharge port 20, one end is screwed on the turntable 14 and the other end is turned table 14 A basket-shaped outer basket 26 is provided, which is fixed to the lower basket accommodating portion 36 of the bottom end and has a cylindrical side wall portion 27 in which a plurality of side wall openings 29 are formed. In addition, a rotation shaft 34 is formed in the inside of the outer basket 26 so as to be rotatable with respect to the fixed outer basket 26 to selectively open and close the sidewall opening 29 of the outer basket 26. ) Is provided.
또한, 축선방향을 따라 저부로부터 상부로 갈수록 직경이 축소되도록 소정의 곡률을 갖는 안내면(33)이 형성된 원추대형상의 공기안내부재(32)는 고정볼트(38)에 의해 내측바스켓(30)내에 고정되어 있다.In addition, the cone-shaped air guide member 32 having a guide surface 33 having a predetermined curvature so as to decrease in diameter from the bottom to the top along the axial direction is fixed in the inner basket 30 by the fixing bolt 38. It is.
이상과 같은 구성에 의하여, 도시 않은 용융로로부터 하부몰드(19)에 용융된 유리물이 제공되면, 하부몰드(19)와 동축선상의 상방에 배치된 플런저가 하강하여 하부몰드(19)내에 수용된 유리물을 가압한다. 플런저의 가압에 의해 유리제품이 성형되면, 유리제품의 가압성형에 따라 온도가 상승된 하부몰드(19)를 냉각시키기 위해 턴테이블(14)내의 공기덕트(15)로 공기가 공급된다.When the glass material melt | dissolved in the lower mold 19 from the melting furnace which is not shown by the above structure is provided, the plunger arrange | positioned upward coaxially with the lower mold 19 will descend | fall, and the glass accommodated in the lower mold 19 will be given. Pressurize water. When the glass product is molded by pressurization of the plunger, air is supplied to the air duct 15 in the turntable 14 to cool the lower mold 19 whose temperature is increased according to the pressing of the glass product.
이렇게 공기덕트(15)내로 공기가 유입되면 별도의 외부조작을 통해 내측바스켓(30)을 소정 각도 회전시켜 공기덕트(15)내에서 유동되는 공기가 외측바스켓(26)의 측벽개구(29)를 통해 내측바스켓(30)내로 유입되도록 한다.When air is introduced into the air duct 15, the inner basket 30 is rotated by a predetermined angle through a separate external operation so that the air flowing in the air duct 15 opens the sidewall opening 29 of the outer basket 26. Through the inner basket 30 to be introduced.
이에 따라, 공기덕트(15)내에서 한방향으로 유동되는 공기(도2의 화살표→방향)와 공기덕트(15)의 말단벽(40)에 부딪혀 역류하는 공기(도2의 화살표←방향)는외측바스켓(26)의 측벽개구(29)를 통해 내측바스켓(30)내로 유입되게 되며, 이와 같이 각 방향에서 유입된 공기는 서로 충돌하지 않고 공기안내부재(32)의 안내면(33)에 의해 안내되어 상방 공기토출구(20)로 향하게 된다.Accordingly, air flowing in one direction in the air duct 15 (arrow → direction in FIG. 2) and air flowing back against the end wall 40 of the air duct 15 (arrow ← direction in FIG. 2) It is introduced into the inner basket 30 through the side wall opening 29 of the basket 26, and the air introduced in each direction is guided by the guide surface 33 of the air guide member 32 without colliding with each other. It is directed to the upper air discharge port (20).
이와 같이, 하부몰드(19)의 냉각을 위해 공기토출구(20)로 토출되는 공기의 양을 적절히 조절하기 위한 외측 및 내측바스켓(26,30)과 이 내측바스켓(30)내로 유입된 공기가 상향 안내되도록 공기안내부재(32)를 마련함으로써 공기덕트(15)내에서 유동되는 공기는 와류가 발생되지 않고 공기안내부재(32)에 의해 안내되어 원활하게 공기토출구(20)로 토출되게 된다.As such, the outer and inner baskets 26 and 30 and the air introduced into the inner basket 30 to adjust the amount of air discharged to the air outlet 20 for cooling the lower mold 19 are upward. By providing the air guide member 32 to be guided, the air flowing in the air duct 15 is guided by the air guide member 32 without generating vortices and is smoothly discharged to the air outlet 20.
이상 설명한 바와 같이, 본 발명에 따르면, 공기덕트내에서 공기토출구로 토출되는 공기의 와류를 방지하여 상향 안내되도록 함으로써 하부몰드를 원활하게 냉각시킬 수 있는 음극선관용 유리제품의 성형장치가 제공된다.As described above, according to the present invention, there is provided a molding apparatus for a glass product for cathode ray tubes that can cool the lower mold smoothly by preventing the vortex of the air discharged to the air discharge port in the air duct to be guided upward.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-1999-0006155A KR100397146B1 (en) | 1999-02-24 | 1999-02-24 | Press forming apparatus for crt glass |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-1999-0006155A KR100397146B1 (en) | 1999-02-24 | 1999-02-24 | Press forming apparatus for crt glass |
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| Publication Number | Publication Date |
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| KR20000056660A KR20000056660A (en) | 2000-09-15 |
| KR100397146B1 true KR100397146B1 (en) | 2003-09-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| KR10-1999-0006155A Expired - Fee Related KR100397146B1 (en) | 1999-02-24 | 1999-02-24 | Press forming apparatus for crt glass |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100518652B1 (en) * | 2003-07-18 | 2005-10-04 | 한국전기초자 주식회사 | A Cooling Structure of the Forming Mould for Cathoderay Tube |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4032317A (en) * | 1976-11-15 | 1977-06-28 | Corning Glass Works | Glass forming mold and temperature control apparatus therefor |
| JPH03187929A (en) * | 1989-12-15 | 1991-08-15 | Konica Corp | Press-forming apparatus for glass |
-
1999
- 1999-02-24 KR KR10-1999-0006155A patent/KR100397146B1/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4032317A (en) * | 1976-11-15 | 1977-06-28 | Corning Glass Works | Glass forming mold and temperature control apparatus therefor |
| JPH03187929A (en) * | 1989-12-15 | 1991-08-15 | Konica Corp | Press-forming apparatus for glass |
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