CN218435505U - Device for resisting thermal stress deformation of furnace body and substrate glass forming furnace - Google Patents
Device for resisting thermal stress deformation of furnace body and substrate glass forming furnace Download PDFInfo
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- CN218435505U CN218435505U CN202222811510.XU CN202222811510U CN218435505U CN 218435505 U CN218435505 U CN 218435505U CN 202222811510 U CN202222811510 U CN 202222811510U CN 218435505 U CN218435505 U CN 218435505U
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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
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- 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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Abstract
The utility model belongs to the technical field of the production of base plate glass, specifically relate to a device and base plate glass forming furnace of anti furnace body thermal stress deformation, the device includes: the device comprises a first fixed seat, a second fixed seat and a length adjusting assembly, wherein the first fixed seat and the second fixed seat are oppositely arranged, and the two ends of the length adjusting assembly are respectively connected with the first fixed seat and the second fixed seat; the first fixing seat and the second fixing seat are respectively and rigidly connected to the upper portion and the lower portion of the furnace body, the length adjusting assembly can adjust the length in real time and counteract the thermal stress deformation of the furnace body by means of self rigidity, the substrate glass forming furnace effectively solves the problem of deformation generated under the action of thermal stress when the temperature is severely changed in the heating and production processes of the forming furnace through a plurality of devices for resisting the thermal stress deformation, which are respectively arranged on the two sides of the upper furnace body and the lower furnace body, maintains the stability of the quality of the related equipment of the furnace body and the internal structure, reduces the fluctuation of an internal temperature field, and lays a good equipment foundation for orderly developing technological countermeasures.
Description
Technical Field
The utility model belongs to the technical field of the production of base plate glass, specifically relate to a device and base plate glass forming furnace of anti furnace body thermal stress deformation.
Background
The process of producing advanced substrate glass by an overflow method is a process of shaping high-temperature plastic-state glass liquid into a solid glass belt, the transformation process of shaping and curing is carried out in a forming furnace, and in the process of shaping and curing, temperature gradient adjustment is carried out, and key quality data such as stress, thickness, warping and the like are controlled within a qualified range.
The size of advanced generation substrate glass is great, the size of the corresponding forming furnace is also enlarged therewith, the shaping process of the glass is carried out under a high-temperature state, the furnace body can deform under the influence of thermal stress, the stability of the structure of an internal heating system is seriously influenced, further, the adverse effect can be caused on the temperature field in the furnace, the yield of products can be reduced, the market supply of the products is influenced, the thermal stress is the stress generated when the temperature of an object is changed, the object cannot expand and contract freely and completely due to the external constraint and the mutual constraint between each part in the object, and the object can deform due to the stress.
Therefore, how to solve the deformation problem of the furnace body under the action of thermal stress in the process of forming and curing the glass, avoid the adverse effect on the internal heating system, maintain the stability of the temperature field and further improve the product yield is a problem to be solved urgently in the production of the substrate glass.
SUMMERY OF THE UTILITY MODEL
The utility model provides an anti furnace body thermal stress deformation's device and base plate glass forming furnace effectively solves the forming furnace, and in intensification and production process, the temperature takes place violent change, the deformation problem that produces under the thermal stress effect.
Based on above-mentioned purpose the utility model provides a pair of anti furnace body thermal stress warp's device includes: the device comprises a first fixed seat, a second fixed seat and a length adjusting assembly, wherein the first fixed seat and the second fixed seat are oppositely arranged, and the two ends of the length adjusting assembly are respectively connected with the first fixed seat and the second fixed seat; the first fixing seat and the second fixing seat are respectively and rigidly connected to the upper portion and the lower portion of the furnace body, and the length adjusting assembly can adjust the length in real time and counteract thermal stress deformation of the furnace body by means of self rigidity.
Optionally, the length adjustment assembly comprises: the first connecting piece is rotatably arranged with the first fixing seat, the first screw rod is connected with the first connecting piece, and the first adjusting sleeve can rotate;
the first connecting piece is fixedly connected with the first screw rod, and the first screw rod is in threaded connection with the adjusting sleeve; or
The first connecting piece is in threaded connection with the first screw rod, and the first screw rod is fixedly connected with the adjusting sleeve.
Optionally, the length adjustment assembly further comprises: the connecting piece II and the screw rod II are connected with each other, and the connecting piece II and the screw rod II are used for connecting the adjusting sleeve and the fixing seat II;
the second connecting piece is fixedly connected with the second screw rod, and the second screw rod is in threaded connection with the adjusting sleeve; or
The second connecting piece is in threaded connection with the second screw rod, and the second screw rod is fixedly connected with the adjusting sleeve.
Optionally, the screw thread directions of the first screw and the second screw are opposite.
Optionally, the first screw and the second screw are respectively screwed with at least one locking nut.
Optionally, the adjustment sleeve is in the shape of a hexagonal cylinder.
The utility model provides a base plate glass forming furnace, includes as above the device of anti furnace body thermal stress deformation, goes up the furnace body and lower furnace body, go up the furnace body and be provided with a plurality ofly respectively with the both sides of lower furnace body the device of anti furnace body thermal stress deformation, a plurality ofly the device combined action of anti furnace body thermal stress deformation relies on self rigidity to offset the thermal stress deformation of last furnace body and lower furnace body.
Optionally, the upper furnace body and the lower furnace body are wrapped by flexible connection to form a heat preservation area.
Optionally, a muffle body is rigidly connected to the top end of the upper furnace body.
Optionally, the bottom of the lower furnace body is rigidly connected with an annealing furnace body.
The utility model has the advantages that: the utility model provides a device for resisting thermal stress deformation of a furnace body, which is connected with the upper part and the lower part of the furnace body, the upper part or the lower part of the furnace body is raised due to the thermal stress deformation of the furnace body, and the thermal stress deformation can be resisted and adjusted by the rigidity of the device for resisting thermal stress deformation of the furnace body; in addition, in the furnace body production process, the device can be heated and heated, can deform because of self thermal stress, and can effectively offset the influence brought by the deformation by adjusting the length of the length adjusting assembly. The device is simple and convenient to install and dismantle, and does not influence the installation and debugging of the furnace body and related equipment.
The utility model provides a base plate glass forming furnace, a plurality of anti furnace body thermal stress deformation's that the both sides through last furnace body and lower furnace body set up respectively device effectively solve the forming furnace in intensification and production process, when the temperature takes place the violent change, the deformation problem that produces under the thermal stress effect maintains the stability of the relevant equipment quality of stove body and inner structure, reduces the fluctuation in inside temperature field, establishes good equipment foundation for developing the technology countermeasure in order.
Drawings
Fig. 1 is a schematic structural diagram of an apparatus provided by an embodiment of the present invention;
fig. 2 is a schematic front view of an apparatus according to an embodiment of the present invention;
FIG. 3 is a schematic view of a substrate glass forming furnace according to an embodiment of the present invention.
In the figure: 10. a device for resisting thermal stress deformation of the furnace body; 11. a first fixed seat; 12. a second fixed seat; 13. a length adjustment assembly; 131. a first connecting piece; 132. a first screw rod; 133. an adjustment sleeve; 134. a second connecting piece; 135. a second screw; 136. locking the nut; 20. an upper furnace body; 30. a lower furnace body; 40. a heat preservation area; 50. a muffle furnace body; 60. and (4) annealing the furnace body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1-2, the utility model provides a device for resisting thermal stress deformation of a furnace body, which comprises: the device comprises a first fixed seat 11, a second fixed seat 12 and a length adjusting component 13, wherein the first fixed seat 11 and the second fixed seat 12 are arranged oppositely, and two ends of the length adjusting component are respectively connected with the first fixed seat 11 and the second fixed seat 12; the first fixing seat 11 and the second fixing seat 12 are respectively and rigidly connected to the upper portion and the lower portion of the furnace body, and the length adjusting assembly 13 can adjust the length in real time and counteract thermal stress deformation of the furnace body by means of self rigidity.
Compared with the prior art, the device 10 for resisting thermal stress deformation of the furnace body provided by the embodiment of the invention is connected with the upper part and the lower part of the furnace body, and the upper part or the lower part of the furnace body is raised due to the thermal stress deformation of the furnace body (the upper part and the lower part of the furnace body are different from the upper furnace body 20 and the lower furnace body 30 in the following text, and refer to the upper part and the lower part of a single furnace body in the text), and the thermal stress deformation can be resisted and adjusted by the self rigidity of the device 10 for resisting thermal stress deformation of the furnace body; in addition, in the furnace body production process, the device can be heated and heated, can be deformed due to self thermal stress, and can effectively offset the influence brought by the deformation by adjusting the length of the length adjusting component 13. The device is simple and convenient to install and dismantle, and does not influence the installation and debugging of the furnace body and related equipment.
In one embodiment, the length adjustment assembly 13 includes: the first connecting piece 131 is rotatably arranged with the first fixing seat 11, the first screw 132 is connected with the first connecting piece 131, and the rotatable adjusting sleeve 133 is arranged; specifically, the first fixed seat 11 is welded or rigidly connected with the furnace body through a bolt, the first fixed seat 11 is hinged with the first connecting piece 131 through a bolt or a pin shaft, the first connecting piece 131 is welded and fixed with the first screw rod 132, the first screw rod 132 is in threaded connection with the adjusting sleeve 133, the adjusting sleeve 133 is in axial limiting and rotating connection with other connecting pieces, and then is hinged with the second fixed seat 12; in another embodiment, the first connecting member 131 is screwed with the first screw 132, and the first screw 132 is fixedly connected with the adjusting sleeve 133, and other structures are not changed.
In a specific embodiment, the first fixing seat 11 is divided into two symmetrical parts which are respectively symmetrically welded on the upper component of the furnace body, a proper interval is reserved in the middle for arranging the first connecting piece 131, one side of the first fixing seat 11 is provided with a circular positioning mounting hole, the other side of the first fixing seat 11 is provided with a connecting threaded hole, and a half-thread connecting bolt penetrates through the positioning mounting hole and is in threaded connection with the connecting threaded hole; the second fixing base 12 is an integral structure, which has two vertical plates for installing bolts and a second mounting connecting member 134, so that the second fixing base 12 is an integral structure to increase its load-bearing capacity.
Further, the length adjustment assembly 13 further includes: the second connecting piece 134 and the second screw 135 are connected with each other, and the second connecting piece 134 and the second screw 135 are used for connecting the adjusting sleeve 133 and the second fixing seat 12; the second connecting piece 134 is fixedly connected with the second screw rod 135, and the second screw rod 135 is in threaded connection with the adjusting sleeve 133; or the second connecting piece 134 is in threaded connection with the second screw 135, and the second screw 135 is fixedly connected with the adjusting sleeve 133. It should be noted that the screw thread directions of the first screw 132 and the second screw 135 are opposite, in fig. 1, the length adjusting assembly 13 is extended by rotating the adjusting sleeve 133 in the direction a, and the length adjusting assembly 13 is shortened by rotating the adjusting sleeve 133 in the direction B, so that the adjustment requirements of tightening and jacking are met by adjusting the screw direction of the sleeve, and the stability of the steel structure is maintained.
Furthermore, the first screw 132 and the second screw 135 are each screwed with at least one locking nut 136, and the locking nuts 136 play a role of locking and reinforcing.
In this embodiment, the adjustment sleeve 133 has a hexagonal cylindrical shape, so that the adjustment sleeve 133 can be screwed using a suitable wrench.
Referring to fig. 3, a substrate glass forming furnace includes the above-mentioned device 10 for resisting thermal stress deformation of the furnace body, an upper furnace body 20 and a lower furnace body 30, wherein a plurality of devices 10 for resisting thermal stress deformation of the furnace body are respectively arranged on two sides of the upper furnace body 20 and the lower furnace body 30, and the devices 10 for resisting thermal stress deformation of the furnace body jointly counteract the thermal stress deformation of the upper furnace body 20 and the lower furnace body 30 by means of self-rigidity.
According to the substrate glass forming furnace, the plurality of devices 10 for resisting thermal stress deformation of the furnace body are respectively arranged on the two sides of the upper furnace body 20 and the lower furnace body 30, so that the problem of deformation generated under the action of thermal stress when the temperature is violently changed in the heating and production processes of the forming furnace is effectively solved, the stability of the quality of the furnace body and equipment related to the internal structure is maintained, the fluctuation of an internal temperature field is reduced, and a good equipment foundation is laid for orderly developing technological countermeasures.
In this embodiment, the upper furnace body 20 and the lower furnace body 30 are the main structure of the forming furnace, and are divided into an upper part and a lower part, which are mainly used for fixing and supporting the internal and external related devices. The upper furnace body 20 and the lower furnace body 30 are wrapped into a complete furnace body through flexible connection, a heat preservation area 40 is formed at the wrapping position, a working area in the furnace is arranged inside the flexible connection, and a heat dissipation area is arranged outside the flexible connection.
Wherein, the upper part of the upper furnace body 20 is connected with the muffle furnace body 50 and is rigidly connected through a fixing clip and a fixing bolt to form a rigid connection area; the lower part of the upper furnace body 20 is in a suspended state, the lower furnace body 30 is wrapped into a whole by flexible connection, is positioned right below and is positioned at the upper part of the annealing furnace body 60, the annealing furnace body 60 is positioned right below by a peripheral connecting girder, and the bottom of the lower furnace body 30 is rigidly connected with the upper part of the annealing furnace body 60 by a fixing bolt to form a rigid connection area.
Firstly, the deformation of the upper furnace body 20 of the forming furnace is analyzed:
the upper part of the upper furnace body 20 is rigidly connected with the muffle furnace body 50 through a fixing clip and a fixing bolt to form a rigid connection area. Along with the rise of temperature, the upper furnace body 20 of the forming furnace follows the stress change of the muffle furnace body 50, and due to the existence of the rigid connection area, the stress deformation is restrained, the deformation quantity is smaller, the influence on the stability of the internal structure can not be caused, and the deformation quantity can be ignored.
Go up furnace body 20 and have two terminal surfaces, left end face and right-hand member face promptly, these two terminal surface positions are the structural support face of weld of last furnace body 20, from last to down, under the dual restriction in rigid connection district and structural constraint district, the deformation of lateral structure is bound, can produce the deformation volume of influence to inner structure and can ignore. The bottom of the upper furnace body 20 is in a suspended state, the span between the left end face and the right end face is large, the deformation is the most concentrated region when the temperature is changed violently, the influence of the deformation quantity on the relevant structural stability is also the most serious region, the deformation quantity is easily influenced by thermal stress and is raised, and then a heating system in the upper furnace body 20 is displaced, the temperature field is changed, the product quality is influenced, and the service life of the heating system is also shortened.
Next, the deformation of the lower furnace body 30 was analyzed:
the lower furnace body 30 is positioned right above the annealing furnace body 60, and the transverse overall dimension and the longitudinal overall dimension of the lower furnace body 30 are consistent with those of the upper furnace body 20;
the lower surface of lower furnace body 30 is fixed mutually through fastening bolt and annealing furnace body 60 all around, forms rigid connection district, and when the temperature took place violent change, under the thermal stress effect, the deformation of lower surface received rigid constraint, and the deformation volume is less, can not cause unusual influence to the stability of connecting the relevant structure of face, consequently can ignore. The whole upper surface of the lower furnace body 30 is in a free state, the longitudinal span of two end surfaces of the lower furnace body is large, and the deformation is the most concentrated region when the temperature is changed violently, so that the influence of the generated deformation on the stability of the related structure is also the most serious region, and the deformation is easily influenced by thermal stress and is raised, so that the heating system in the upper furnace body 20 is displaced, the temperature field is changed, the product quality is influenced, and the service life of the heating system is also shortened.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is merely exemplary and is not intended to suggest that the scope of the application is limited to these examples; features from the above embodiments or different embodiments may also be combined within the context of the present application, the steps may be implemented in any order, and there are many other variations of the different aspects of one or more embodiments in the present application described above which are not provided in detail for the sake of brevity.
It is intended that the one or more embodiments of the present application cover all such alternatives, modifications, and variations as fall within the broad scope of the present application. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present application are intended to be included within the scope of the present application.
Claims (10)
1. A device for resisting thermal stress deformation of a furnace body is characterized by comprising: the device comprises a first fixed seat (11), a second fixed seat (12) and a length adjusting assembly (13), wherein the first fixed seat (11) and the second fixed seat (12) are arranged oppositely, and two ends of the length adjusting assembly are respectively connected with the first fixed seat (11) and the second fixed seat (12); the first fixing seat (11) and the second fixing seat (12) are respectively and rigidly connected to the upper portion and the lower portion of the furnace body, and the length adjusting assembly (13) can adjust the length in real time and counteract thermal stress deformation of the furnace body by means of self rigidity.
2. The device for resisting thermal stress deformations of a furnace according to claim 1, characterized in that said length adjustment assembly (13) comprises: the connecting piece I (131) is rotatably arranged with the fixing seat I (11), the screw rod I (132) is connected with the connecting piece I (131), and the rotatable adjusting sleeve (133) is arranged on the connecting piece I (131);
the first connecting piece (131) is fixedly connected with the first screw rod (132), and the first screw rod (132) is in threaded connection with the adjusting sleeve (133); or
The first connecting piece (131) is in threaded connection with the first screw rod (132), and the first screw rod (132) is fixedly connected with the adjusting sleeve (133).
3. The furnace thermal stress deformation resistance device according to claim 2, wherein the length adjustment assembly (13) further comprises: the connecting piece II (134) and the screw rod II (135) are connected with each other, and the connecting piece II (134) and the screw rod II (135) are used for connecting the adjusting sleeve (133) and the fixing seat II (12);
the second connecting piece (134) is fixedly connected with a second screw rod (135), and the second screw rod (135) is in threaded connection with the adjusting sleeve (133); or
The second connecting piece (134) is in threaded connection with the second screw rod (135), and the second screw rod (135) is fixedly connected with the adjusting sleeve (133).
4. The apparatus for resisting thermal stress deformation of furnace body according to claim 3, wherein the screw threads of the first screw (132) and the screw threads of the second screw (135) are opposite.
5. The apparatus for resisting thermal stress deformation of a furnace body according to claim 4, wherein at least one locking nut (136) is screwed on each of the first screw (132) and the second screw (135).
6. The device for resisting the thermal stress deformation of the furnace body according to the claim 2, characterized in that the adjusting sleeve (133) is in a hexagonal column shape.
7. A substrate glass forming furnace, characterized by comprising the device (10) for resisting thermal stress deformation of the furnace body, an upper furnace body (20) and a lower furnace body (30) according to any one of claims 1 to 6, wherein a plurality of the devices (10) for resisting thermal stress deformation of the furnace body are respectively arranged on two sides of the upper furnace body (20) and the lower furnace body (30), and the devices (10) for resisting thermal stress deformation of the furnace body jointly counteract the thermal stress deformation of the upper furnace body (20) and the lower furnace body (30) by means of self rigidity.
8. The furnace as claimed in claim 7, wherein the upper body (20) and the lower body (30) are wrapped by a flexible connection to form a holding zone (40).
9. The substrate glass forming furnace according to claim 7, wherein a muffle body (50) is rigidly connected to a top end of the upper furnace body (20).
10. The substrate glass forming furnace according to claim 7, wherein the annealing furnace body (60) is rigidly connected to the bottom of the lower furnace body (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222811510.XU CN218435505U (en) | 2022-10-24 | 2022-10-24 | Device for resisting thermal stress deformation of furnace body and substrate glass forming furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222811510.XU CN218435505U (en) | 2022-10-24 | 2022-10-24 | Device for resisting thermal stress deformation of furnace body and substrate glass forming furnace |
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| Publication Number | Publication Date |
|---|---|
| CN218435505U true CN218435505U (en) | 2023-02-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222811510.XU Active CN218435505U (en) | 2022-10-24 | 2022-10-24 | Device for resisting thermal stress deformation of furnace body and substrate glass forming furnace |
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| Country | Link |
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| CN (1) | CN218435505U (en) |
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2022
- 2022-10-24 CN CN202222811510.XU patent/CN218435505U/en active Active
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