CN219259840U - TFT liquid crystal glass substrate kiln furnace burden mountain correcting device - Google Patents
TFT liquid crystal glass substrate kiln furnace burden mountain correcting device Download PDFInfo
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- CN219259840U CN219259840U CN202223079132.7U CN202223079132U CN219259840U CN 219259840 U CN219259840 U CN 219259840U CN 202223079132 U CN202223079132 U CN 202223079132U CN 219259840 U CN219259840 U CN 219259840U
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Abstract
The utility model provides a TFT liquid crystal glass substrate kiln furnace burden mountain correcting device, wherein a charging installation opening is arranged at the bottom of a kiln front wall, the center of the kiln front wall is connected with a burning gun through an adjusting mechanism, a worker in the field observes the appearance structure of the kiln front wall through an industrial television to judge whether the kiln front wall accords with a preset material pile structure, if the kiln front wall does not accord with the preset material pile structure, the adjusting mechanism enables the burning gun to be aligned with the preset material pile structure to heat the kiln front wall until the kiln front wall is heated and melted, the correction is completed, a shutdown mode of manually throwing out the different preset material pile is replaced in the prior art, the technical problems of shutdown and low efficiency caused by shutdown are solved, the consistency and the stability of the kiln front wall are greatly improved, and the production line process and the quality are improved.
Description
Technical Field
The utility model belongs to the technical field of TFT (thin film transistor) glass substrate manufacturing, and particularly relates to a TFT liquid crystal glass substrate kiln furnace burden mountain correction device.
Background
In the TFT liquid crystal glass substrate production and manufacturing process, a kiln is one of the most critical equipment, and the kiln is responsible for melting the matched glass batch, and provides qualified glass liquid for the next working procedure through melting and homogenization of the kiln.
In the TFT liquid crystal glass substrate production and manufacturing process, the kiln is heated by adopting electrode bricks which are correspondingly arranged at the gaps of wall bricks of two sides of the kiln to be in direct contact with glass liquid, and combustion guns are correspondingly arranged on the breast walls of the two sides of the kiln to heat the space part above the liquid level of the kiln, wherein electric heating is mainly used, and gas heating is auxiliary, so that the process requirement of melting qualified quality glass in the kiln is met.
In the TFT liquid crystal glass substrate production manufacturing process, two spiral batch feeders are horizontally arranged at the front part of a kiln to continuously and stably throw glass batch into the kiln, the temperature of a front area of the kiln can be reduced due to continuous batch throwing in a batch throwing area, stacked raw material mountains can be generated in the front area of the kiln due to the influence of temperature and continuous batch throwing, two mutually independent raw material mountains are finally formed, under normal conditions, a single-side raw material mountain can incline to pool wall bricks at the corresponding side, the two raw material mountains are distributed in a splayed shape, the temperature is high, batch starts to melt, the height of the raw material mountain is gradually reduced to be flush with the height of glass liquid in the kiln from a front wall side to a liquid state transition area, and cold-hot convection can be formed in the front area of the kiln due to the generation of the glass liquid. The phenomenon of different sizes and trends of lateral material mountains at two sides can occur due to the change of feeding and melting states, the difference of the lateral material mountains at two sides can cause the change of the convection of glass liquid in a kiln, the unstable convection of the glass liquid can cause the glass liquid with poor melting to flow into the next working procedure, thereby generating defects of the surface of the finished glass plate and reducing the yield.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a TFT liquid crystal glass substrate kiln furnace mountain correcting device which can enable the difference of the furnace mountain and improve the yield of the glass plate surface of a product.
The utility model is realized by the following technical scheme:
a TFT liquid crystal glass substrate kiln furnace burden mountain correcting device comprises a kiln front wall; the bottom of the front wall of the kiln is provided with a feeding mounting opening, and the center of the front wall of the kiln is connected with a burning gun through an adjusting mechanism.
Furthermore, the pit front wall is provided with a conical concave structure, and the top of the conical concave structure is provided with a burning gun.
Furthermore, the combustion gun adopts a full-oxygen natural gas combustion gun.
Furthermore, the adjusting mechanism adopts a gantry module structure;
the gantry module structure is arranged on one side of the front wall of the kiln, the spherical hinge is connected with the tail part of the burning gun, and the gun body of the burning gun penetrates through the front wall of the kiln.
Further, the gantry module structure comprises a Y-axis motion structure and an X-axis motion structure;
the Y-axis moving structures are two groups and are arranged in parallel, each Y-axis moving structure comprises a Y-axis moving track, a Y-axis stepping motor and a Y-axis sliding block, a Y-axis lead screw is rotatably sleeved on the Y-axis moving track, the driving end of the Y-axis stepping motor is in transmission connection with the Y-axis lead screw, and the Y-axis sliding blocks are in threaded connection with the Y-axis lead screw;
the X-axis moving structure comprises an X-axis moving track, an X-axis stepping motor and an X-axis sliding block, wherein an X-axis lead screw is rotatably sleeved on the X-axis moving track, the driving end of the X-axis stepping motor is in transmission connection with the X-axis lead screw, and the X-axis sliding block is in threaded connection with the X-axis lead screw;
and two ends of the X-axis movement track are fixedly connected with a Y-axis sliding block respectively.
Further, the Y-axis moving structure is fixedly connected to the gantry module structure and arranged on one side of the front wall of the kiln, and the X-axis sliding block is hinged to the tail of the burning gun through a ball.
Furthermore, a high temperature resistant metal ring is arranged at the contact point of the pit furnace front wall and the burning gun body.
Further, the Y-axis movement structure and the X-axis movement structure are made of refractory materials.
Furthermore, the number of the feeding installation openings is two, and the feeding installation openings are respectively arranged at two sides of the bottom of the front wall of the kiln.
The utility model provides a TFT liquid crystal glass substrate kiln furnace burden mountain correcting device, wherein a charging installation opening is arranged at the bottom of a kiln front wall, the center of the kiln front wall is connected with a burning gun through an adjusting mechanism, a worker in the field observes the appearance structure of the kiln front wall through an industrial television to judge whether the kiln front wall accords with a preset material pile structure, if the kiln front wall does not accord with the preset material pile structure, the adjusting mechanism enables the burning gun to be aligned with the preset material pile structure to heat the kiln front wall until the kiln front wall is heated and melted, the correction is completed, a shutdown mode of manually throwing out the different preset material pile is replaced in the prior art, the technical problems of shutdown and low efficiency caused by shutdown are solved, the consistency and the stability of the kiln front wall are greatly improved, and the production line process and the quality are improved.
Drawings
FIG. 1 is a side view of a TFT liquid crystal glass substrate kiln mountain correcting device according to the present utility model;
FIG. 2 is a front view of a TFT liquid crystal glass substrate kiln mountain correcting device according to the present utility model;
FIG. 3 is a schematic view of an adjustment mechanism according to the present utility model.
In the figure: 1. a kiln front wall; 2. a burning gun; 3. a Y-axis motion structure; 30. a Y-axis motion track; 31. a Y-axis stepper motor; 32. a Y-axis slider; 4. a feeding installation port; 5. an X-axis motion structure; 50. an X-axis motion track; 51. an X-axis stepper motor; 52. an X-axis sliding block.
Detailed Description
The utility model will now be described in further detail with reference to specific examples, which are intended to illustrate, but not to limit, the utility model.
In order that those skilled in the art will better understand the present utility model, a technical solution in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, article, or apparatus.
The utility model provides a TFT liquid crystal glass substrate kiln furnace burden mountain correcting device, as shown in figures 1 and 2, comprising a kiln front wall 1; the bottom of the pit furnace front wall 1 is provided with a feeding installation opening 4, and the center of the pit furnace front wall 1 is connected with a burning gun 2 through an adjusting mechanism.
Preferably, the pit front wall 1 is provided with a conical concave structure, and the top of the conical concave structure is provided with a burning gun 2, so that structural interference can not be generated in the process of controlling the movement of the burning gun 2 by a person skilled in the art through an adjusting mechanism.
Preferably, the combustion gun 2 adopts a full-oxygen natural gas combustion gun, which can ensure that the glass melting quality is high, compared with the traditional air combustion-supporting technology, the flue gas and the air are required to be subjected to heat exchange at regular time to recover part of heat, and the kiln temperature and the kiln pressure can fluctuate during the heat exchange, so that the glass product quality is influenced.
Preferably, the adjusting mechanism adopts a gantry module structure; the gantry module structure is arranged on one side of the kiln front wall 1, the tail of the burning gun 2 is in spherical hinge connection, and the gun body of the burning gun 2 penetrates through the kiln front wall 1.
Further, as shown in fig. 3, the gantry module structure includes a Y-axis moving structure 3 and an X-axis moving structure 5; the Y-axis moving structures 3 are two groups and are arranged in parallel, each Y-axis moving track 30, a Y-axis stepping motor 31 and a Y-axis sliding block 32 are arranged on the Y-axis moving track 30 in a rotatable sleeved mode, the driving end of each Y-axis stepping motor 31 is in transmission connection with the Y-axis lead screw, and the Y-axis sliding blocks 32 are in threaded connection with the Y-axis lead screw;
the X-axis moving structure 5 comprises an X-axis moving track 50, an X-axis stepping motor 51 and an X-axis sliding block 52, wherein an X-axis lead screw is rotatably sleeved on the X-axis moving track 50, the driving end of the X-axis stepping motor 51 is in transmission connection with the X-axis lead screw, and the X-axis sliding block 52 is in threaded connection with the X-axis lead screw; two ends of the X-axis motion track 50 are fixedly connected with a Y-axis sliding block 32 respectively.
Further, the Y-axis moving structure 3 is fixedly connected to the gantry module structure and is arranged on one side of the kiln front wall 1, and the X-axis sliding block 52 is hinged to the tail of the burning gun 2 through a ball.
Preferably, the contact point of the pit furnace front wall 1 and the gun body of the combustion gun 2 is provided with a high-temperature-resistant metal ring, and the high-temperature-resistant metal ring is used as a fulcrum to support the swing of the combustion gun 2, so that the service life of the pit furnace front wall is prolonged.
Preferably, the Y-axis moving structure 3 and the X-axis moving structure 5 are made of refractory materials.
Preferably, the number of the feeding installation openings 4 is two, and the two feeding installation openings are respectively arranged at two sides of the bottom of the pit front wall 1; the person skilled in the art can compare the two seasoning installation openings 4 according to the feeding shapes, and correct the two seasoning installation openings according to the difference of the comparison results.
The utility model provides a TFT liquid crystal glass substrate kiln furnace burden mountain correcting device, which comprises the following steps:
s1: observing the appearance structure of the material mountain through an industrial television, and judging whether the material mountain accords with a preset material pile structure or not;
s2: if the preset material pile structure is not met, the adjusting mechanism enables the burning gun 2 to be aligned with the preset material pile structure for heating until the material mountain is heated and melted, and correction is completed.
Specifically, the technical staff in the field performs screenshot on the kiln furnace burden mountain and screenshot of the last hour through the whole hour of the industrial television system, image comparison is performed by utilizing computer special software, when the comparison result is equal to less than 85%, the control system gives an alarm to prompt the technical staff in the field to confirm that the screenshot difference is manually compared, when the technical staff in the field checks that the change of the material mountain needs to be subjected to dry pre-correction, the angle and the air quantity of a material mountain correction burning gun are started according to the shape of the material mountain needing to be interfered, corresponding material mountain correction is performed, and finally the correction on the material mountain on one side of the abnormal change is realized, so that the normal stability of the shape of the material mountain is ensured.
Further, a person skilled in the art can control the tail of the burning gun 2 according to the position of the material mountain to be heated through a control program, so that the muzzle of the burning gun 2 is aligned with the material mountain to be heated, specifically, when the Y-axis moving structure 3 works, the Y-axis stepping motor 31 drives the Y-axis screw to rotate, so that the Y-axis sliding block 32 moves along the Y-axis screw, the X-axis moving track 50 is driven to move along the Y-axis, the X-axis stepping motor 51 drives the X-axis screw to rotate, the X-axis sliding block 52 moves along the X-axis, the requirement of the muzzle of the burning gun 2 on the material mountain to be heated is met, and when the muzzle of the burning gun 2 is aligned with the material mountain to be heated, the burning gun 2 is started to heat the material mountain until the external structure accords with the normal shape.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit of the technical solutions according to the embodiments of the present utility model.
Claims (10)
1. The TFT liquid crystal glass substrate kiln furnace burden mountain correcting device is characterized by comprising a kiln front wall (1); the bottom of the pit furnace front wall (1) is provided with a feeding installation opening (4), and the center of the pit furnace front wall (1) is connected with a burning gun (2) through an adjusting mechanism.
2. The TFT liquid crystal glass substrate kiln furnace burden mountain correcting device according to claim 1, wherein the kiln front wall (1) is provided with a conical concave structure, and a burning gun (2) is arranged at the top of the conical concave structure.
3. The TFT liquid crystal glass substrate kiln mountain correcting device according to claim 1, wherein the burning gun (2) is a full oxygen natural gas burning gun.
4. The TFT liquid crystal glass substrate kiln mountain correcting device according to claim 1, wherein the adjusting mechanism adopts a gantry module structure;
the gantry module structure is arranged on one side of the kiln front wall (1), the tail of the burning gun (2) is in spherical hinge connection, and the gun body of the burning gun (2) penetrates through the kiln front wall (1).
5. The TFT liquid crystal glass substrate kiln mountain correcting device according to claim 4, wherein the gantry module structure comprises a Y-axis moving structure (3) and an X-axis moving structure (5);
the Y-axis moving structure (3) is two groups and is arranged in parallel, each Y-axis moving structure comprises a Y-axis moving track (30), a Y-axis stepping motor (31) and a Y-axis sliding block (32), a Y-axis screw is rotatably sleeved on the Y-axis moving track (30), the Y-axis stepping motor (31) is in driving connection with the Y-axis screw through driving, and the Y-axis sliding blocks (32) are in threaded connection with the Y-axis screw.
6. The TFT liquid crystal glass substrate kiln mountain correcting device according to claim 5, wherein the X-axis moving structure (5) comprises an X-axis moving track (50), an X-axis stepping motor (51) and an X-axis sliding block (52), an X-axis screw is rotatably sleeved on the X-axis moving track (50), the driving end of the X-axis stepping motor (51) is in transmission connection with the X-axis screw, and the X-axis sliding block (52) is in threaded connection with the X-axis screw;
two ends of the X-axis movement track (50) are fixedly connected with a Y-axis sliding block (32) respectively.
7. The TFT liquid crystal glass substrate kiln furnace burden mountain correcting device according to claim 6, wherein the Y-axis moving structure (3) is fixedly connected to the gantry module structure and arranged on one side of a kiln front wall (1), and the X-axis sliding block (52) is hinged to the tail of the burning gun (2) through a ball.
8. The TFT liquid crystal glass substrate kiln furnace burden mountain correcting device according to claim 6, wherein a high temperature resistant metal ring is arranged at a contact point of a kiln front wall (1) and a gun body of a burning gun (2).
9. The TFT liquid crystal glass substrate kiln mountain correcting device according to claim 7, wherein the Y-axis moving structure (3) and the X-axis moving structure (5) are made of refractory materials.
10. The TFT liquid crystal glass substrate kiln furnace burden mountain correcting device according to claim 1 is characterized in that two feeding installing ports (4) are respectively arranged on two sides of the bottom of the kiln front wall (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223079132.7U CN219259840U (en) | 2022-11-18 | 2022-11-18 | TFT liquid crystal glass substrate kiln furnace burden mountain correcting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223079132.7U CN219259840U (en) | 2022-11-18 | 2022-11-18 | TFT liquid crystal glass substrate kiln furnace burden mountain correcting device |
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| Publication Number | Publication Date |
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| CN219259840U true CN219259840U (en) | 2023-06-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202223079132.7U Active CN219259840U (en) | 2022-11-18 | 2022-11-18 | TFT liquid crystal glass substrate kiln furnace burden mountain correcting device |
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| CN (1) | CN219259840U (en) |
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