CN213895614U - Glass substrate thickness adjusting device, forming furnace and glass substrate thickness adjusting system - Google Patents
Glass substrate thickness adjusting device, forming furnace and glass substrate thickness adjusting system Download PDFInfo
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- CN213895614U CN213895614U CN202022986924.7U CN202022986924U CN213895614U CN 213895614 U CN213895614 U CN 213895614U CN 202022986924 U CN202022986924 U CN 202022986924U CN 213895614 U CN213895614 U CN 213895614U
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Abstract
The present disclosure relates to a glass substrate thickness adjusting device, a forming furnace, and a glass substrate thickness adjusting system. The glass substrate thickness adjusting device comprises an air pipe box and a driving mechanism, a heating unit and a cooling unit are arranged in the air pipe box, and the driving mechanism is connected with the air pipe box and used for driving the air pipe box to move along the overflow direction and the width direction of the glass substrate. Compared with the adjusting mode of fixing the air pipe in the related technology, the air pipe box is driven by the driving mechanism to move along the overflow direction and the width direction of the glass substrate respectively, so that the local and single-point non-flow-direction viscosity of the glass liquid can be accurately controlled, the purpose of controlling the thickness of the glass substrate to be extremely poor is achieved, and the forming quality of the glass substrate is improved.
Description
Technical Field
The disclosure relates to the technical field of glass manufacturing, in particular to a glass substrate thickness adjusting device, a forming furnace and a glass substrate thickness adjusting system.
Background
In the process of preparing a glass plate by glass liquid down-drawing, the phenomenon of non-uniform thickness of the glass plate often occurs, and the thickness of the glass substrate in a non-flowing direction needs to be adjusted. Usually, a local cooling area or a temperature rise method is adopted in the shaping process of the glass substrate to adjust the viscosity of the local area of the glass substrate during cooling, so as to achieve the purpose of controlling the non-flowing thickness of the glass substrate.
In the related art, the non-flowing thickness of the local part of the glass substrate is controlled by a transverse fixed type cooling and heating air pipe arranged on the two sides of the production furnace. When the air pipe is aged, the port of the air pipe inserted into the production furnace can deform, so that the local and single-point non-flow viscosity of the glass liquid cannot be accurately controlled, the quality of the glass substrate in non-flow thickness is influenced, and the difficulty is brought to glass substrate forming process personnel for adjusting the quality.
SUMMERY OF THE UTILITY MODEL
The first purpose of this disclosure is to provide a glass substrate thickness adjusting device to solve the problem of non-flowing local non-uniform thickness of the glass substrate.
In order to achieve the above object, the present disclosure provides a glass substrate thickness adjusting device provided on a furnace wall of a forming furnace, the adjusting device including:
the air duct box is internally provided with a heating unit and a cooling unit; and
and the driving mechanism is connected with the air pipe box and is used for driving the air pipe box to move along the overflow direction and the width direction of the glass substrate respectively.
Optionally, the drive mechanism comprises: the first driving unit is used for driving the air pipe box to move along the width direction of the glass substrate, and the second driving unit is used for driving the air pipe box to move along the overflow direction of the glass substrate; the second driving unit is provided on the first driving unit to be movable along with the first driving unit, and the wind pipe box is connected to the second driving unit.
Optionally, the first drive unit comprises: the glass substrate comprises a first sawtooth guide rail extending along the width direction of the glass substrate, a first driving gear matched with the first sawtooth guide rail and a first motor used for driving the first driving gear to rotate.
Optionally, the second driving unit includes a second saw-tooth guide rail extending along an overflow direction of the glass substrate, a second driving gear engaged with the second saw-tooth guide rail, and a second motor for driving the second driving gear to rotate.
Optionally, the second sawtooth rail is connected to the wind box by a connection plate.
Optionally, the air hose box is provided with a plurality of air hoses at intervals.
A second object of the present disclosure is to provide a forming furnace, comprising: a forming furnace body and the glass substrate thickness adjusting device.
A third object of the present disclosure is to provide a glass substrate thickness adjusting system, comprising:
the above-described forming furnace;
the thickness measuring module is used for measuring the real-time thickness of the glass substrate; and
and the control module is respectively connected with the glass substrate thickness adjusting device and the thickness measuring module, responds to the real-time thickness of the glass substrate, controls the driving mechanism, and controls the heating unit and/or the cooling unit to work.
Optionally, the thickness measurement module comprises a thickness sensor.
Optionally, the glass substrate thickness adjusting system further comprises:
the storage module is used for storing the preset thickness of the glass substrate; and
and the comparison module is used for comparing the real-time thickness of the glass substrate measured by the thickness measurement module with the preset thickness stored in the storage module and outputting the comparison result to the control module.
Through the technical scheme, compared with the adjusting mode that the air pipe is fixed in the related technology, the driving mechanism is adopted to respectively drive the air pipe box to move along the overflow direction and the width direction of the glass substrate, so that the local and single-point non-flow viscosity of the glass liquid can be accurately controlled, the purpose of controlling the thickness of the glass substrate to be extremely poor is achieved, and the forming quality of the glass substrate is improved.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
fig. 1 is a schematic view of a glass substrate thickness adjusting apparatus provided in an exemplary embodiment of the present disclosure;
FIG. 2 is a partially enlarged schematic view of the glass substrate thickness adjusting apparatus of FIG. 1;
FIG. 3 is a rear view of the glass substrate thickness adjusting apparatus of FIG. 2;
FIG. 4 is a schematic view of a glass substrate thickness adjustment system provided by an exemplary embodiment of the present disclosure;
fig. 5 is a schematic view of another glass substrate thickness adjustment system of an exemplary embodiment system of the present disclosure.
Description of the reference numerals
The device comprises a 1-air pipe box, an 11-air pipe, a 2-first driving unit, a 21-first sawtooth guide rail, a 22-first motor, a 23-first driving gear, a 3-second driving unit, a 31-second sawtooth guide rail, a 32-second motor, a 33-second driving gear, a 4-connecting plate, a 5-thickness measuring module, a 6-control module, a 7-storage module and an 8-comparison module.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, unless otherwise specified, use of directional terms such as "upper, lower, left, and right" generally means that they are defined with reference to the drawing plane directions of the corresponding drawings. "inner and outer" refer to the inner and outer of the respective component profiles. The terms "first," "second," and the like are used herein to distinguish one element from another, and are not intended to be sequential or important. In addition, when the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements, unless otherwise indicated.
As shown in fig. 1 to 3, the present disclosure provides a glass substrate thickness adjusting apparatus, which is provided on a furnace wall of a forming furnace, and includes a wind box 1 and a driving mechanism. The heating unit and the cooling unit are arranged in the air duct box 1, so that the purpose of controlling the thickness of the glass substrate to be extremely poor is achieved in a mode of changing the local and single-point viscosity of the glass liquid. For example, the glass substrate is thicker at the local and single points than the average value, the heating unit is activated, the temperature of the local and single points is increased, the viscosity is increased, and the thickness of the local and single points is reduced. Otherwise, the cooling unit is started. The wind pipe box 1 is provided with a plurality of wind pipes 11 at intervals to improve the working efficiency. The outlet of the duct 11 is directed toward the glass substrate.
The driving means is connected to the bellows 1 for driving the bellows 1 along the overflow direction (vertical direction in fig. 1) and the width direction (horizontal direction in fig. 1) of the glass substrate, respectively. In other words, the glass substrate thickness adjusting device of the present disclosure adjusts the local and single-point thickness of the glass substrate by fixing the position of the glass substrate and moving the bellows 1. Compared with the adjusting mode of fixing the air pipe in the related art, the driving mechanism is adopted to drive the air pipe box 1 to move along the overflow direction and the width direction of the glass substrate respectively, so that the local and single-point viscosities of the glass liquid can be accurately controlled, the purpose of controlling the thickness of the glass substrate to be extremely poor is achieved, and the forming quality of the glass substrate is improved.
According to an embodiment of the present disclosure, the driving unit may include a first driving unit 2 for driving the bellows 1 to move in the width direction of the glass substrate and a second driving unit 3 for driving the bellows 1 to move in the overflow direction of the glass substrate. The second driving unit 3 is provided on the first driving unit 2 to be movable with the first driving unit 2. The bellows 1 is connected to a second drive unit 3. That is, the first driving unit 2 can simultaneously drive the second driving unit 3 and the wind box 1 connected to the second driving unit 3 to move along the width direction of the glass substrate during the operation.
The first driving unit 2 may include: the glass substrate comprises a first sawtooth guide rail 21 extending along the width direction of the glass substrate, a first driving gear 23 matched with the first sawtooth guide rail 21, and a first motor 22 used for driving the first driving gear 23 to rotate. Also, the second driving unit 3 may include: a second sawtooth guide rail 31 extending along the overflow direction of the glass substrate, a second driving gear 33 engaged with the second sawtooth guide rail 31, and a second motor 32 for driving the second driving gear 33 to rotate. Alternatively, the second saw-tooth guide 31 may be connected to the windbox 1 by a connection plate 4. The motor drives the gear to rotate so that the gear can move along the saw-tooth guide rail, or the saw-tooth guide rail moves linearly under the driving of the gear. The moving distance of the wind pipe box 1 can be accurately controlled in a gear and rack matching mode.
It is noted that the present disclosure does not limit the specific implementation of the first and second drive units 2, 3. Besides the above-mentioned mode of adopting gear and sawtooth guide rail to cooperate, can also adopt the drive structure of lead screw slider. In addition, the same drive mechanism is not limited to the use of only the gear saw-tooth guide rail or the screw slider, and the gear saw-tooth guide rail and the screw slider may be used in combination. According to other embodiments, the driving mechanism may be a robot or the like. The air duct box 1 is fixed on the manipulator, and the moving position of the air duct box 1 is adjusted by accurately controlling the movement of the manipulator.
It is a second object of the present disclosure to provide a forming furnace for overflow glass substrate manufacturing. The forming furnace comprises the glass substrate thickness adjusting device, the glass substrate thickness adjusting device is arranged on the furnace wall of the forming furnace and has all the beneficial effects of the glass substrate thickness adjusting device, and the description is omitted here.
A third object of the present disclosure is to provide a glass substrate thickness adjustment system. As shown in fig. 4 and 5, the glass substrate thickness adjusting system includes a forming furnace, a thickness measuring module 5, and a control module 6. The forming furnace is the forming furnace, the thickness measuring module 5 is used for measuring the real-time thickness of the glass substrate, and the control module 6 is respectively connected with the glass substrate thickness adjusting device and the thickness measuring module 5, responds to the real-time thickness of the glass substrate to control the driving mechanism, and controls the heating unit and/or the cooling unit to work. The thickness measuring module 5 may include a thickness sensor.
When the glass substrate thickness measuring system works, the thickness measuring module 5 sends the real-time thickness data and the coordinate data of the thickness adjusting points to the control module 6. The control module 6 can be composed of a computer and an industrial personal computer, real-time thickness data and coordinate data are sent to the computer, the computer DCS analyzes and converts and transmits signals to the industrial personal computer, and the industrial personal computer transmits signals to a driving mechanism, for example, a first motor 22 and a second motor 32 in the driving mechanism, so that the air pipe box 1 is driven to move to a position corresponding to the coordinate of the thickness adjusting point. And then starting a heating unit or a cooling unit according to the real-time thickness data, for example, heating or cooling is realized by controlling the power of the air pipe 11, the control of the viscosity of the glass substrate at the coordinate point is completed, and the purpose of extremely poor adjustment of the thickness of the glass substrate is finally realized.
Further, the glass substrate thickness adjusting system further comprises a storage module 7 and a comparison module 8. The storage module 7 is used for storing the preset thickness of the glass substrate, and the comparison module 8 is used for comparing the real-time thickness of the glass substrate measured by the thickness measurement module 5 with the preset thickness stored in the storage module 7 and outputting the result to the control module 6. The preset thickness stored in the storage module 7 may be preset to store a plurality of sets according to different purposes of use of the glass substrate. When the real-time thickness of the glass substrate measured by the thickness measuring module 5 does not coincide with the preset thickness, the heating or cooling operation may be performed on the glass substrate at the coordinate point specifically according to whether the real-time thickness is greater than or less than the preset thickness.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, various possible combinations will not be separately described in this disclosure.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.
Claims (10)
1. A glass substrate thickness adjusting device is arranged on a furnace wall of a forming furnace, and is characterized by comprising:
the air duct box (1) is internally provided with a heating unit and a cooling unit; and
and the driving mechanism is connected with the air duct box (1) and is used for driving the air duct box (1) to move along the overflow direction and the width direction of the glass substrate respectively.
2. The glass substrate thickness adjusting apparatus according to claim 1, wherein the drive mechanism includes: the first driving unit (2) is used for driving the air duct box (1) to move along the width direction of the glass substrate, and the second driving unit (3) is used for driving the air duct box (1) to move along the overflow direction of the glass substrate; the second driving unit (3) is provided on the first driving unit (2) so as to be movable with the first driving unit (2), and the wind pipe box (1) is connected to the second driving unit (3).
3. The glass substrate thickness adjusting apparatus according to claim 2, wherein the first drive unit (2) includes: the glass substrate comprises a first sawtooth guide rail (21) extending along the width direction of the glass substrate, a first driving gear (23) matched with the first sawtooth guide rail (21), and a first motor (22) used for driving the first driving gear (23) to rotate.
4. The glass substrate thickness adjusting apparatus according to claim 2, wherein the second driving unit (3) includes a second saw-tooth guide (31) extending in an overflow direction of the glass substrate, a second driving gear (33) engaged with the second saw-tooth guide (31), and a second motor (32) for driving the second driving gear (33) to rotate.
5. The glass substrate thickness adjusting apparatus according to claim 4, wherein the second saw-tooth guide rail (31) is connected to the bellows (1) through a connection plate (4).
6. The glass substrate thickness adjusting apparatus according to claim 1, wherein the air duct box (1) is provided with a plurality of air ducts (11) at intervals.
7. A forming furnace, comprising: a forming furnace body and the glass substrate thickness adjusting apparatus according to any one of claims 1 to 6.
8. A glass substrate thickness adjustment system, comprising:
the forming oven of claim 7;
a thickness measuring module (5) for measuring the real-time thickness of the glass substrate; and
and the control module (6) is respectively connected with the glass substrate thickness adjusting device and the thickness measuring module (5), responds to the real-time thickness of the glass substrate, controls the driving mechanism, and controls the heating unit and/or the cooling unit to work.
9. The glass substrate thickness adjustment system according to claim 8, wherein the thickness measurement module (5) comprises a thickness sensor.
10. The glass substrate thickness adjustment system of claim 8, further comprising:
the storage module (7) is used for storing the preset thickness of the glass substrate; and
and the comparison module (8) is used for comparing the real-time thickness of the glass substrate measured by the thickness measurement module (5) with the preset thickness stored in the storage module (7) and outputting the comparison result to the control module (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022986924.7U CN213895614U (en) | 2020-12-08 | 2020-12-08 | Glass substrate thickness adjusting device, forming furnace and glass substrate thickness adjusting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022986924.7U CN213895614U (en) | 2020-12-08 | 2020-12-08 | Glass substrate thickness adjusting device, forming furnace and glass substrate thickness adjusting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213895614U true CN213895614U (en) | 2021-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022986924.7U Active CN213895614U (en) | 2020-12-08 | 2020-12-08 | Glass substrate thickness adjusting device, forming furnace and glass substrate thickness adjusting system |
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| Country | Link |
|---|---|
| CN (1) | CN213895614U (en) |
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- 2020-12-08 CN CN202022986924.7U patent/CN213895614U/en active Active
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