CN106495451B - Ultra-thin flexible glass draws limit mechanism - Google Patents

Ultra-thin flexible glass draws limit mechanism Download PDF

Info

Publication number
CN106495451B
CN106495451B CN201710017175.7A CN201710017175A CN106495451B CN 106495451 B CN106495451 B CN 106495451B CN 201710017175 A CN201710017175 A CN 201710017175A CN 106495451 B CN106495451 B CN 106495451B
Authority
CN
China
Prior art keywords
machine
rod
machine head
threads
cooling air
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.)
Active
Application number
CN201710017175.7A
Other languages
Chinese (zh)
Other versions
CN106495451A (en
Inventor
程金树
崔晶晶
袁坚
郑伟宏
侯延升
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.)
Glass Technology Research Institute Of Shahe City Of Hebei Province
Wuhan University of Technology WUT
Original Assignee
Glass Technology Research Institute Of Shahe City Of Hebei Province
Wuhan University of Technology WUT
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 Glass Technology Research Institute Of Shahe City Of Hebei Province, Wuhan University of Technology WUT filed Critical Glass Technology Research Institute Of Shahe City Of Hebei Province
Priority to CN201710017175.7A priority Critical patent/CN106495451B/en
Publication of CN106495451A publication Critical patent/CN106495451A/en
Application granted granted Critical
Publication of CN106495451B publication Critical patent/CN106495451B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B17/00—Forming molten glass by flowing-out, pushing-out, extruding or drawing downwardly or laterally from forming slits or by overflowing over lips
    • C03B17/06—Forming glass sheets
    • C03B17/068—Means for providing the drawing force, e.g. traction or draw rollers
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B18/00—Shaping glass in contact with the surface of a liquid
    • C03B18/02—Forming sheets
    • C03B18/04—Changing or regulating the dimensions of the molten glass ribbon
    • C03B18/06—Changing or regulating the dimensions of the molten glass ribbon using mechanical means, e.g. restrictor bars, edge rollers
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
    • C03B15/00—Drawing glass upwardly from the melt
    • C03B15/02—Drawing glass sheets

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)

Abstract

The invention discloses an ultrathin flexible glass edge-drawing mechanism, which belongs to the technical field of glass production equipment, wherein a cavity between the inner side surfaces of adjacent machine heads is a clamping cavity of a glass plate, the machine heads and a machine rod are both of a hollow structure, a cooling air pipe is additionally arranged in the hollow structure, a gap between the cooling air pipe and the hollow structure is a heat dissipation channel communicated with the outside, the outlet end of the cooling air pipe is communicated with the heat dissipation channel to form a cooling structure of the machine heads and the machine rod, a temperature compensation mechanism consisting of a heating element and a temperature measuring element arranged on the heating element is additionally arranged on the outer side of the machine heads, the signal output end of the temperature measuring element is connected with the signal input end of a controller, and the control end of the controller is connected with the controlled end of the heating element. The temperature difference between the glass sheet in contact with the head and the other portions of the glass sheet can be reduced so that the glass sheet in contact with the head is in a viscosity range suitable for drawing (10) 5.25 ‑10 6.75 dPas), deformation and warping of the glass sheet are avoided.

Description

Ultra-thin flexible glass draws limit mechanism
Technical Field
The invention belongs to the technical field of glass production equipment, and relates to an edge-drawing mechanism, in particular to an ultrathin flexible glass edge-drawing mechanism.
Background
The flat glass production technology mainly comprises a flat drawing method, an upward drawing method, a downward drawing method, a float method and the like, and an edge-drawing machine is required to draw the edge of a high-heat glass plate in a molten state to prevent the glass plate from shrinking to the center under the action of surface tension. The traditional edge roller is suitable for thicker plate glass, the thickness of the glass is larger, the control precision requirements on the precision, the temperature, the clamping force, the pulling force and the like of the edge roller are not high, and the edge roller mainly has the following defects when producing ultrathin flexible glass: firstly, the whole body of the edge roller is made of high-temperature-resistant stainless steel, and the temperature of a glass plate at a clamping part is quickly reduced, so that the temperature difference between the edge and the middle of the surface of the glass plate is large, and the defects of deformation, warping and the like are easy to generate; the stretching direction is single, only downward stretching force can be applied to the glass plate, although some edge-drawing mechanisms can be turned to the inclined downward direction to clamp the glass, the applied force is unstable, and the risk of glass plate breakage is increased, so that a novel edge-drawing mechanism needs to be designed to draw the edge of the ultrathin flexible glass.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention designs the ultrathin flexible glass edge-drawing mechanism, which can reduce the temperature drop speed of the glass plate at the contact part with the machine head, reduce the temperature difference between the edge and the middle part of the glass plate and effectively avoid the phenomena of deformation, warping and the like of the glass plate.
The invention adopts the specific technical scheme that: the utility model provides an ultra-thin flexible glass draws limit mechanism, includes parallel arrangement's quick-witted pole in the frame, and the one end and the driving motor of quick-witted pole are connected, the other end and aircraft nose fixed connection, and the cavity between the adjacent aircraft nose medial surface is the centre gripping chamber of glass board, and driving motor's controlled end is connected with the control end of controller, and the key is: the machine head and the machine rod are both of hollow structures, a cooling air pipe is additionally arranged in each hollow structure, a gap between the cooling air pipe and each hollow structure is a heat dissipation channel communicated with the outside, the outlet end of the cooling air pipe is communicated with the heat dissipation channel to form a cooling structure of the machine head and the machine rod, a temperature compensation mechanism consisting of a heating element and a temperature measuring element arranged on the heating element is additionally arranged on the outer side of the machine head, the signal output end of the temperature measuring element is connected with the signal input end of a controller, and the control end of the controller is connected with the controlled end of the heating element.
The machine head is a rod-shaped structure made of stainless steel resistant to high temperature of 1000 ℃, and the machine rod is a rod-shaped structure made of ceramics resistant to high temperature of 1600 ℃ and having a heat conductivity coefficient less than 2 kcal/m.hour ℃.
The outer wall of the machine head is provided with threads, the width of the threads is 0.5-1mm, the depth of the threads is 0.5-0.8mm, an included angle between the threads and the axis of the machine head is 40-60 degrees, and the distance between adjacent threads along the axial direction is 3-4 mm.
The machine head and the machine rod are locked and fixed by virtue of threads to form a detachable structure.
A speed change gear box is arranged between the machine rod and the driving motor, the input end of the speed change gear box is connected with the driving motor by means of a universal coupling, and the output end of the speed change gear box is connected with the machine rod.
Supporting blocks are arranged between the speed change gear box and the universal coupling and between the speed change gear box and the machine rod, the two supporting blocks are fixed on the same base, a lead screw is arranged on the base, and the adjacent machine heads are close to or far away from a width adjusting structure forming a clamping cavity by means of the lead screw.
The invention has the beneficial effects that: utilize the cooling air duct to cool down aircraft nose and machine pole, utilize heating element to compensate the heat that the aircraft nose taken away, utilize temperature measuring element can real-time detection glass board peripheral ambient temperature, in time adjust heating element's heating power and the air volume in the cooling air duct according to the temperature that measures, can accurate control with the temperature drop speed of aircraft nose department of contact glass board, reduce the temperature difference between department of contact glass board and other parts glass boards with the aircraft nose, make the glass board of department of contact glass just in time be in the viscosity range (10) that suitably draw thin (10) 5.25 -10 6.75 dpas s), the occurrence of deformation, warping, etc. of the glass sheet can be effectively avoided.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the edge-pulling mechanism of the present invention for controlling the temperature of the glass sheet being held.
Fig. 3 is a schematic structural view of the handpiece of the present invention.
FIG. 4 is a schematic diagram showing the comparison of the edge-drawing effect of the edge-drawing mechanism according to the present invention and the conventional edge-drawing mechanism on the glass sheet.
In the attached drawings, 1 represents a machine head, 2 represents a machine rod, 3 represents a speed change gear box, 4 represents a lead screw, 5 represents a universal coupling, 6 represents a supporting block, 7 represents a driving motor, 8 represents a heating element, 9 represents a temperature measuring element, 10 represents a glass plate, 11 represents a cooling air pipe, and alpha represents an included angle.
Detailed Description
The invention is described in detail below with reference to the following figures and specific embodiments:
in the specific embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, an ultra-thin flexible glass edge-pulling mechanism comprises machine rods 2 arranged in parallel on a rack, one end of each machine rod 2 is connected with a driving motor 7, the other end of each machine rod is fixedly connected with a machine head 1, a cavity between the inner side surfaces of adjacent machine heads 1 is a clamping cavity of a glass plate 10, a controlled end of the driving motor 7 is connected with a control end of a controller, the machine heads 1 and the machine rods 2 are both of a hollow structure, a cooling air pipe 11 is additionally arranged in the hollow structure, a gap between the cooling air pipe 11 and the hollow structure is a heat dissipation channel communicated with the outside, the outlet end of the cooling air pipe 11 is communicated with the heat dissipation channel to form a cooling structure of the machine heads 1 and the machine rods 2, a temperature compensation mechanism consisting of a heating element 8 and a temperature measuring element 9 arranged on the heating element 8 is additionally arranged on the outer side of the machine heads 1, the signal output end of the temperature measuring element 9 is connected with the signal input end of the controller, the control end of the controller is connected with the controlled end of the heating element 8.
Utilize cooling air pipe 11 to send cold wind into aircraft nose 1 and the pole 2 inside for reduce aircraft nose 1 and pole 2's temperature, avoid the high temperature and influence aircraft nose 1 and pole 2's normal use, prolonged aircraft nose 1 and pole 2's life. Meanwhile, the heating element 8, namely the heating plate, is used for compensating the heat taken away by the machine head 1, the outer diameter of the machine head 1 is less than or equal to 55mm, the vertical distance between the heating plate and the glass plate 10 is not more than 100mm, the length and the width of the heating plate are respectively 200mm and 100mm, the heating power of the heating element 8 is automatically controlled by the temperature measuring element 9, namely the temperature of a thermocouple, the cooling air in the cooling air pipe 11 is used for reducing the temperature of the machine head 1, the machine head 1 is not bonded with the glass plate 10 as the standard, on the premise that the machine head 1 and the machine rod 2 are in a normal temperature range, the ambient temperature around the glass plate 10 can be monitored in real time by using the temperature measuring element 9, the heating power of the heating element 8 and the ventilation quantity in the cooling air pipe 11 are timely adjusted according to the measured temperature, and the glass plate 10 at the contact position with the machine head 1 can be accurately controlledThe rate of temperature drop is controlled so that the temperature of the glass sheet 10 at this point is controlled to reduce the temperature differential between the glass sheet 10 at the point of contact with the head 1 and the remainder of the glass sheet 10 so that the glass sheet 10 at the point of contact with the head 1 is at a viscosity in the range suitable for drawing thin (10) 5.25 -10 6.75 dpas s), occurrence of deformation, warping, and the like of the glass plate 10 can be effectively avoided.
As shown in fig. 3, the one end and the outside intercommunication of aircraft nose 1 are kept away from to heat dissipation channel, cold wind carries out the cooling for the first time to aircraft nose 2 along cooling tuber pipe 11 forward motion promptly, reach aircraft nose 1's cooling intracavity behind aircraft nose 2 and carry out the cooling for the first time to aircraft nose 1, then get into the space between cooling tuber pipe 11 and the aircraft nose 2 through the space between cooling tuber pipe 11 and the aircraft nose 1, carry out the cooling for the second time to aircraft nose 1 and aircraft nose 2, steam after the intensification is discharged by the one end of keeping away from aircraft nose 1, can avoid steam and glass board 10 contact and influence the temperature of glass board 10.
The machine head 1 is a rod-shaped structure made of stainless steel resistant to high temperature of 1000 ℃, the machine rod 2 is a rod-shaped structure made of ceramics resistant to high temperature of 1600 ℃ and having a heat conductivity coefficient smaller than 2 kilocalories/meter hour ℃, the machine head 1 and the machine rod 2 are made of different materials respectively, so that the influence on the temperature of the glass plate 10 in the edge drawing area and the space temperature is favorably reduced, and the defects that the temperature difference between the edge of the glass plate 10 and the middle of the glass plate is large, deformation, warping and the like are easily caused due to too fast temperature drop of the glass plate 10 at the contact part of the machine head 1 are avoided.
The outer wall of the machine head 1 is provided with threads, the width of the threads is 0.5-1mm, the depth of the threads is 0.5-0.8mm, the included angle alpha between the threads and the axis of the machine head 1 is 40-60 degrees, and the distance between adjacent threads along the axial direction is 3-4 mm. When an ordinary machine head clamps a glass plate 10, the surface tension of the glass plate 10 can be overcome only, the glass plate 10 is prevented from shrinking towards the center, and the machine head 1 with the threads can provide outward-rotating force when the machine head rotates to clamp the glass plate 10, so that the glass plate 10 can be better and outwards thinned, as shown in fig. 4, and due to the arrangement of the heating element 8 and the cooling air pipe 11, the temperature of the glass plate 10 is proper, the plate breaking condition can not occur even if the machine head receives the outward-rotating force, and the machine head is very suitable for edge pulling of ultrathin flexible glass.
The machine head 1 and the machine rod 2 are locked and fixed through the threads to form a detachable structure, when the machine head 1 is worn and needs to be replaced, only the old machine head 1 needs to be detached, a new machine head 1 is installed, the machine rod 2 does not need to be replaced together, and the maintenance cost is reduced.
Be provided with change gear 3 between quick-witted pole 2 and the driving motor 7, change gear 3's input is connected with driving motor 7 with the help of universal joint 5, and change gear 3's output is connected with quick-witted pole 2, utilizes change gear 3 can adjust the rotatory speed of quick-witted pole 2, can satisfy different glass's production demand better. Between change gear 3 and universal joint 5, all be provided with between change gear 3 and the machine pole 2 supporting shoe 6 and two supporting shoes 6 and fix on same base, be provided with lead screw 4 on the base, adjacent aircraft nose 1 is close to or keeps away from the width control structure who forms into the centre gripping chamber with the help of lead screw 4, can the width in accurate adjustment centre gripping chamber, is provided with two lead screws 4 on every base for it is more reliable and more stable when adjusting centre gripping chamber width.

Claims (3)

1. The utility model provides an ultra-thin flexible glass draws limit mechanism, includes parallel arrangement's quick-witted pole (2) in the frame, the one end and driving motor (7) of quick-witted pole (2) are connected, the other end and aircraft nose (1) fixed connection, and the cavity between adjacent aircraft nose (1) medial surface is the centre gripping chamber of glass board (10), and the controlled end of driving motor (7) is connected its characterized in that with the control end of controller: the machine head (1) and the machine rod (2) are both of hollow structures, a cooling air pipe (11) is additionally arranged in each hollow structure, a gap between each cooling air pipe (11) and each hollow structure is a heat dissipation channel communicated with the outside, the outlet end of each cooling air pipe (11) is communicated with the heat dissipation channel to form a cooling structure of the machine head (1) and the machine rod (2), a temperature compensation mechanism consisting of a heating element (8) and a temperature measuring element (9) arranged on the heating element (8) is additionally arranged on the outer side of the machine head (1), the signal output end of the temperature measuring element (9) is connected with the signal input end of a controller, and the control end of the controller is connected with the controlled end of the heating element (8);
the outer wall of the machine head (1) is provided with threads, the width of the threads is 0.5-1mm, the depth of the threads is 0.5-0.8mm, an included angle (alpha) between the threads and the axis of the machine head (1) is 40-60 degrees, and the distance between adjacent threads along the axial direction is 3-4 mm;
a speed change gear box (3) is arranged between the machine rod (2) and the driving motor (7), the input end of the speed change gear box (3) is connected with the driving motor (7) by virtue of a universal coupling (5), and the output end of the speed change gear box (3) is connected with the machine rod (2);
the clamping device is characterized in that supporting blocks (6) are arranged between the speed change gear box (3) and the universal coupling (5) and between the speed change gear box (3) and the machine rod (2), the two supporting blocks (6) are fixed on the same base, a lead screw (4) is arranged on the base, and the adjacent machine heads (1) are close to or far away from the width adjusting structure which is formed into a clamping cavity by means of the lead screw (4).
2. The ultra-thin flexible glass edging mechanism according to claim 1, wherein: the machine head (1) is a rod-shaped structure made of stainless steel resistant to high temperature of 1000 ℃, and the machine rod (2) is a rod-shaped structure made of ceramics resistant to high temperature of 1600 ℃ and having a heat conductivity coefficient less than 2 kilocalories/meter hour DEG C.
3. The ultra-thin flexible glass edging mechanism according to claim 1, wherein: the machine head (1) and the machine rod (2) are locked and fixed by screw threads to form a detachable structure.
CN201710017175.7A 2017-01-11 2017-01-11 Ultra-thin flexible glass draws limit mechanism Active CN106495451B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710017175.7A CN106495451B (en) 2017-01-11 2017-01-11 Ultra-thin flexible glass draws limit mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710017175.7A CN106495451B (en) 2017-01-11 2017-01-11 Ultra-thin flexible glass draws limit mechanism

Publications (2)

Publication Number Publication Date
CN106495451A CN106495451A (en) 2017-03-15
CN106495451B true CN106495451B (en) 2022-09-20

Family

ID=58345233

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710017175.7A Active CN106495451B (en) 2017-01-11 2017-01-11 Ultra-thin flexible glass draws limit mechanism

Country Status (1)

Country Link
CN (1) CN106495451B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7251444B2 (en) * 2019-10-21 2023-04-04 Ａｇｃ株式会社 Glass plate manufacturing apparatus and glass plate manufacturing method
CN111204958B (en) * 2020-01-19 2022-03-29 山东乐和家日用品有限公司 Flexible glass edge-drawing mechanism with function of preventing glass plate from deforming
CN114956533B (en) * 2022-05-07 2023-10-03 河北省沙河玻璃技术研究院 Preparation method and device for ultrathin flexible glass

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201003028Y (en) * 2007-02-09 2008-01-09 河北邢台晶牛玻璃股份有限公司 Floating method glass edge roller head
CN101838102A (en) * 2009-06-10 2010-09-22 河北东旭投资集团有限公司 Edge roller for producing TFT-LCD glass substrate
CN102092922A (en) * 2011-01-28 2011-06-15 秦皇岛开发区华耀机电开发有限公司 Edge roller for float glass production line
CN201908042U (en) * 2010-12-30 2011-07-27 河北东旭投资集团有限公司 Conveying device for conveying tin-slot molded glass baseplate to annealing kiln
WO2012133843A1 (en) * 2011-03-31 2012-10-04 ＡｖａｎＳｔｒａｔｅ株式会社 Glass plate production method
CN203256117U (en) * 2013-05-30 2013-10-30 四川旭虹光电科技有限公司 Novel edge roller
CN104163565A (en) * 2014-08-13 2014-11-26 洛阳中冶重工机械有限公司 Mechanical rod device of glass edge roller

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201003028Y (en) * 2007-02-09 2008-01-09 河北邢台晶牛玻璃股份有限公司 Floating method glass edge roller head
CN101838102A (en) * 2009-06-10 2010-09-22 河北东旭投资集团有限公司 Edge roller for producing TFT-LCD glass substrate
CN201908042U (en) * 2010-12-30 2011-07-27 河北东旭投资集团有限公司 Conveying device for conveying tin-slot molded glass baseplate to annealing kiln
CN102092922A (en) * 2011-01-28 2011-06-15 秦皇岛开发区华耀机电开发有限公司 Edge roller for float glass production line
WO2012133843A1 (en) * 2011-03-31 2012-10-04 ＡｖａｎＳｔｒａｔｅ株式会社 Glass plate production method
CN203256117U (en) * 2013-05-30 2013-10-30 四川旭虹光电科技有限公司 Novel edge roller
CN104163565A (en) * 2014-08-13 2014-11-26 洛阳中冶重工机械有限公司 Mechanical rod device of glass edge roller

Also Published As

Publication number Publication date
CN106495451A (en) 2017-03-15

Similar Documents

Publication Publication Date Title
CN106495451B (en) Ultra-thin flexible glass draws limit mechanism
CN101028964B (en) Device and method for controlling glass-board thickness evenness
TWI428296B (en) Glass plate manufacturing method and glass plate manufacturing apparatus
CN206418007U (en) A kind of ultrathin flexible glass edge-pulling structure
TWI552969B (en) Glass plate manufacturing method and glass plate manufacturing apparatus
JP2012518590A (en) Glass manufacturing system and method for forming high quality sheet glass
CN103359913A (en) Making method of glass substrate
TW201700416A (en) Glass-substrate manufacturing method
JP2009107913A (en) Method for manufacturing float plate glass
CN207811554U (en) A kind of liquid crystal substrate glass forming furnace packaged type corner heating device
CN204198580U (en) A kind of overflow downdraw produces the temperature-control device in base plate glass
JP2015105206A (en) Manufacturing method of glass plate, and glass plate
KR20200089740A (en) Method for forming a thin glass sheet
CN218910143U (en) Glass prevents rolling up roller device
CN106145615B (en) Big pull amount calender
CN104985834A (en) Wave infrared heating system for high-speed fiber placement
CN101982742A (en) Infrared thermometry device
JP6403255B2 (en) GLASS PLATE MANUFACTURING METHOD AND GLASS PLATE
CN206188649U (en) Device of glass bow shape in adjustment annealing stove
CN213865904U (en) Feeding channel device for improving rolling quality of microcrystalline glass
CN202785970U (en) Stress adjusting device for glass tape
CN203187552U (en) C region cooling structure of float glass annealing kiln
CN212770426U (en) Substrate glass forming temperature field control device
WO2018129860A1 (en) Hierarchical closed-loop control cooling device for sapphire crystal growth furnace
CN204064462U (en) A kind of continuous casting two cold section steel billet infrared temperature measurement apparatus

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant