CN117645404A - Control device and control method for pulling plate glass - Google Patents
Control device and control method for pulling plate glass Download PDFInfo
- Publication number
- CN117645404A CN117645404A CN202311633787.0A CN202311633787A CN117645404A CN 117645404 A CN117645404 A CN 117645404A CN 202311633787 A CN202311633787 A CN 202311633787A CN 117645404 A CN117645404 A CN 117645404A
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- Prior art keywords
- group
- traction
- driver
- motor
- driving
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Links
- 239000005357 flat glass Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000011521 glass Substances 0.000 claims abstract description 36
- 238000004364 calculation method Methods 0.000 claims description 11
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 239000013072 incoming material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007500 overflow downdraw method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- 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
- C03B17/064—Forming glass sheets by the overflow downdraw fusion process; Isopipes therefor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/50—Glass production, e.g. reusing waste heat during processing or shaping
- Y02P40/57—Improving the yield, e-g- reduction of reject rates
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
Abstract
The invention discloses a control device and a control method for drawing plate glass, which belong to the technical field of flexible glass, wherein the device comprises a control unit, a driving unit and a drawing unit; the control unit is connected with the driving unit, and the driving unit is connected with the traction unit; the control unit comprises a host and a controller; the controller is arranged between the host and the driving unit; the traction unit comprises a first traction group, a second traction group, a third traction group and a fourth traction group; the driving unit comprises a first driving group, a second driving group, a third driving group and a fourth driving group; the first driving group, the second driving group, the third driving group and the fourth driving group are connected with the controller; the first traction group is connected with the first driving group. The driving unit is controlled by the control unit, so that the constant speed and torque of the driving unit are ensured, and the motion condition is fed back to the controller for real-time correction, thereby solving the problem that glass is distorted or thick and thin due to fluctuation of the rotating speed of a certain traction roller.
Description
Technical Field
The invention relates to the technical field of flexible glass, in particular to a control device and a control method for drawing plate glass.
Background
When the overflow down-draw method is used for manufacturing flexible flat glass, a plurality of groups of traction rollers are used for applying tension to the glass ribbon to form the flexible flat glass into the flat glass, the glass ribbon is deformed due to the characteristics of the glass in a softened state at high temperature and external force or air flow disturbance, if the glass ribbon is slightly deformed, the glass ribbon can pass through a part clamped by the traction rollers, but the deformed part can become warped after the glass is finally cooled into a plate, and the flexible flat glass cannot be used. Once the glass is greatly deformed, softened glass can be clamped at the clamping part of the traction roller, glass above the glass continuously flows down to form glass frit at the clamping part for accumulation, glass breakage is timely caused by cleaning, production is affected, and large accidents can be caused by untimely cleaning.
Before, the traction roller is driven by a servo motor, and a certain speed is input to each servo driver for control, because the output of the motor end of the servo motor basically can meet the constant speed, but the output precision is reduced after a speed reducer is externally added to the motor, when the amount of glass feed is changed to change the pull-down amount, the load is changed when the feedback from the clamping roller to the motor, the speed is changed, and the rotating speed precision cannot be maintained. It is easy to generate glass distortion or thickness variation caused by fluctuation of the rotation speed of a certain traction roller.
Disclosure of Invention
Aiming at the problems that the pulling-down amount is changed due to the change of the amount of glass incoming materials in the prior art, glass distortion or thickness difference is easy to occur due to the fluctuation of the rotating speed of a certain traction roller, the invention provides a control device for pulling flat glass.
In order to achieve the above object, the present invention provides the following technical solutions.
A control device for drawing flat glass comprises a control unit, a driving unit and a drawing unit; the control unit is connected with the driving unit, and the driving unit is connected with the traction unit; the control unit comprises a host and a controller; the controller is arranged between the host and the driving unit; the traction unit comprises a first traction group, a second traction group, a third traction group and a fourth traction group; the driving unit comprises a first driving group, a second driving group, a third driving group and a fourth driving group; the first driving group, the second driving group, the third driving group and the fourth driving group are connected with the controller; the first traction group is connected with the first driving group; the second traction group is connected with the second driving group; the third traction group is connected with a third driving group; the fourth traction group is connected with the fourth driving group.
As a further improvement of the invention, the first traction group and the second traction group are positioned on the same horizontal plane; the third traction group and the fourth traction group are positioned on the same horizontal plane.
As a further improvement of the present invention, the first driving group includes a first driver and a second driver; the first driver and the second driver are connected with the controller.
As a further improvement of the invention, the first traction group comprises a first motor, a second motor, a first traction roller and a second traction roller; one end of the first motor is connected with the first driver, and the other end of the first motor is connected with the first traction roller; one end of the second motor is connected with the second driver, and the other end of the second motor is connected with the second traction roller; the first traction roller and the second traction roller are placed at opposite positions, and the first traction roller and the second traction roller move in opposite directions.
As a further improvement of the present invention, the second driving group includes a third driver and a fourth driver; the third driver and the fourth driver are connected with the controller.
As a further improvement of the invention, the second traction group comprises a third motor, a fourth motor, a third traction roller and a fourth traction roller; one end of the third motor is connected with a third driver, and the other end of the third motor is connected with a third traction roller; one end of the fourth motor is connected with a fourth driver, and the other end of the fourth motor is connected with a fourth traction roller; the third traction roller and the fourth traction roller are placed at opposite positions, and the third traction roller and the fourth traction roller move in opposite directions.
As a further improvement of the present invention, the third driving group includes a fifth driver and a sixth driver; the fifth driver and the sixth driver are connected with the controller.
As a further improvement of the invention, the third traction group comprises a fifth motor, a sixth motor, a fifth traction roller and a sixth traction roller; one end of the fifth motor is connected with a fifth driver, and the other end of the fifth motor is connected with a fifth traction roller; one end of the sixth motor is connected with a sixth driver, and the other end of the sixth motor is connected with a sixth traction roller; the fifth traction roller is placed at a position opposite to the sixth traction roller, and the fifth traction roller moves in the opposite direction to the sixth traction roller.
As a further improvement of the present invention, the fourth driving group includes a seventh driver and an eighth driver; the seventh driver and the eighth driver are connected with the controller; the fourth traction group comprises a seventh motor, an eighth motor, a seventh traction roller and an eighth traction roller; one end of the seventh motor is connected with a seventh driver, and the other end of the seventh motor is connected with a seventh traction roller; one end of the eighth motor is connected with an eighth driver, and the other end of the eighth motor is connected with an eighth traction roller; the seventh traction roller is placed at a position opposite to the eighth traction roller, and the seventh traction roller moves in the opposite direction to the eighth traction roller.
A control method for sheet glass pulling, comprising:
the control unit calculates the running speed of the glass ribbon through the controller to obtain a calculation result; the controller sends the calculation result to the driving unit, and the driving unit drives the traction unit according to the calculation result; the first traction group, the second traction group, the third traction group and the fourth traction group in the traction unit draw the glass ribbon to flow downwards; the controller adjusts the driving unit in real time according to the data fed back by the driving unit and the traction unit, and displays the adjusted result through the host.
Compared with the prior art, the invention has the following beneficial effects:
the invention is provided with a control unit which can control the driving unit so that the driving unit can drive the traction unit, thereby realizing the setting and monitoring of the equipment. The device can realize the control of the driving unit according to various working conditions, ensures the constant speed and torque of each driver in the driving unit, ensures the flatness of the glass ribbon, and ensures the flatness and smoothness of the glass ribbon by synchronously running each group of traction rollers in the traction unit and jointly pulling down. The speed of each set of pulling rolls is adjustable to increase or decrease the ribbon pull down speed to adjust the throughput. Meanwhile, a certain speed difference can be formed between the upper traction roller and the lower traction group, so as to adjust the thickness of the glass ribbon. When the lower traction roller is faster than the upper traction roller, the lower traction roller can correspondingly thin the glass ribbon due to the fact that the glass ribbon has certain viscosity. Meanwhile, when the pulling-down amount is changed due to the change of the glass incoming material amount, the driving unit and the traction unit can feed back the motion condition to the control unit for real-time correction, so that the rotating speed precision of the traction unit is maintained, and the situation that glass is distorted or different in thickness due to the fluctuation of the rotating speed of a certain traction roller is avoided.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, proportional sizes, and the like of the respective components in the drawings are merely illustrative for aiding in understanding the present invention, and are not particularly limited. In the drawings:
fig. 1 is a schematic structural view of a control device for pulling a sheet glass according to the present invention.
Fig. 2 is a block diagram of a control system of a control apparatus for pulling a sheet glass according to the present invention.
In the figure: 1 is a host; 2 is a controller; 311 is a first driver; 312 is a second driver; 321 is a third driver; 322 is a fourth driver; 331 is a fifth driver; 332 is a sixth driver; 341 is a seventh driver; 342 is an eighth driver; 411 is a first motor, 412 is a second motor; 421 is a third motor; 422 is a fourth motor; 431 is a fifth motor; 432 is a sixth motor; 441 is a seventh motor; 442 is an eighth motor; 511 is a first pull roll; 512 is a second pull roll; 521 is a third pull roll; 522 is a fourth pull roll; 531 is the fifth pull roll; 532 is the sixth pulling roll; 541 is a seventh pulling roll; 542 is an eighth pull roll.
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, shall fall within the scope of the invention.
It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1, the control device for drawing sheet glass of the present invention comprises a control unit, a driving unit and a drawing unit.
The driving unit is arranged between the control unit and the traction unit, and the control unit controls the driving unit to drive the traction unit.
The control unit includes a host 1 and a controller 2.
The controller 2 is arranged between the host 1 and the driving unit, the controller 2 collects relevant data and then transmits the data to the host 1, and a worker adjusts the data on the host 1.
The host 1 is a DCS host, and the controller 2 is a programmable motion controller.
The traction unit comprises a first traction group, a second traction group, a third traction group and a fourth traction group; the driving unit comprises a first driving group, a second driving group, a third driving group and a fourth driving group.
The first driving group, the second driving group, the third driving group and the fourth driving group are all connected with the controller 2, and the controller 2 controls the movement of the first driving group, the second driving group, the third driving group and the fourth driving group and sends relevant data information to the host 1 for display.
The first traction group is connected with the first driving group; the second traction group is connected with the second driving group; the third traction group is connected with the driving group; the fourth traction group is connected with the fourth driving group. The number of traction groups and drive groups can also be increased according to the operation requirements. The first traction group and the second traction group are positioned on the same horizontal plane; the third traction group and the fourth traction group are positioned on the same horizontal plane, and so on, two groups of traction groups are required on the same horizontal plane.
The first driving set includes a first driver 311 and a second driver 312, the second driving set includes a third driver 321 and a fourth driver 322, the third driving set includes a fifth driver 331 and a sixth driver 332, and the fourth driving set includes a seventh driver 341 and an eighth driver 342.
The first driver 311, the second driver 312, the third driver 321, the fourth driver 322, the fifth driver 331, the sixth driver 332, the seventh driver 341, and the eighth driver 342 are all connected to the controller 2, and are controlled and adjusted by the controller 2.
The first traction group comprises a first motor 411, a second motor 412, a first traction roller 511 and a second traction roller 512; the second traction group includes a third motor 421, a fourth motor 422, a third traction roller 521, and a fourth traction roller 522; the third traction group includes a fifth motor 431, a sixth motor 432, a fifth traction roller 531 and a sixth traction roller 532; the fourth pulling group includes a seventh motor 441, an eighth motor 442, a seventh pulling roll 541, and an eighth pulling roll 542.
One end of the first motor 411 is connected with the first driver 311, and the other end of the first motor 411 is connected with the first traction roller 511; one end of the second motor 412 is connected to the second driver 312, and the other end of the second motor 412 is connected to the second traction roller 512; one end of the third motor 421 is connected with the third driver 321, and the other end of the third motor 421 is connected with the third traction roller 521; one end of the fourth motor 422 is connected with the fourth driver 322, and the other end of the fourth motor 422 is connected with the fourth traction roller 522; one end of the fifth motor 431 is connected with the fifth driver 331, and the other end of the fifth motor 431 is connected with the fifth traction roller 531; one end of the sixth motor 432 is connected to the sixth driver 332, and the other end of the sixth motor 432 is connected to the sixth pulling roll 532; one end of the seventh motor 441 is connected to the seventh driver 341, and the other end of the seventh motor 441 is connected to the seventh pulling roll 541; one end of the eighth motor 442 is connected to the eighth driver 342, and the other end of the eighth motor 442 is connected to the eighth traction roller 542.
The first pulling roll 511 and the second pulling roll 512, the third pulling roll 521 and the fourth pulling roll 522, the fifth pulling roll 531 and the sixth pulling roll 532, and the seventh pulling roll 541 and the eighth pulling roll 542 are all disposed at opposite positions, and the first pulling roll 511 and the second pulling roll 512, the third pulling roll 521 and the fourth pulling roll 522, the fifth pulling roll 531 and the sixth pulling roll 532, and the seventh pulling roll 541 and the eighth pulling roll 542 move in opposite directions to ensure that each pulling roll rotates toward the glass ribbon 6.
The first driver 311, the second driver 312, the third driver 321, the fourth driver 322, the fifth driver 331, the sixth driver 332, the seventh driver 341, and the eighth driver 342 are connected to the controller 2.
In the invention, the motor is a servo motor, the driver is a servo driver, and other types of motors and drivers can be replaced according to the operation requirement.
In the device, each traction roller is driven by 1 motor, the motor is connected with a corresponding driver, and the controller 2 and the servo driver are connected with a field bus to communicate with the host 1. Therefore, the device can rapidly increase or decrease the number of the traction rollers according to the condition of the operation site. The operation is carried out by the staff conveniently, and the safety of the staff can be effectively ensured.
The controller 2 is a programmable motion controller.
As shown in fig. 2, a second object of the present invention is to provide a control method for sheet glass drawing, comprising:
the control unit calculates the running speed of the glass ribbon 6 through the controller 2 to obtain a calculation result;
the controller 2 sends the calculation result to the driving unit, and the driving unit drives the traction unit according to the calculation result;
the first, second, third and fourth pulling groups of the pulling units pull the glass ribbon 6 to flow downward;
the controller 2 adjusts the driving unit in real time according to the data fed back by the driving unit and the traction unit, and displays the adjusted result through the host 1.
The staff sets the target line speed through the host computer 1, the controller 2 calculates the target line speed through a DCS control algorithm, then the controller 2 sends instructions to each driver according to a calculation result, each driver drives a corresponding motor, each traction roller is driven by the corresponding motor, a plurality of groups of traction rollers draw the glass ribbon 6 to move downwards, the controller 2 and the drivers are connected into the DCS system from a field bus, and related data can be set and monitored through the host computer 1. Meanwhile, the controller 2 can also carry out real-time adjustment according to the speed feedback of the driver and the torque feedback of the motor, and the actual drawing speed of the glass ribbon is met. Therefore, the controller 2 can perform programming calculation on various working conditions, so that the working conditions are output to the driver, the speed and torque of the driver are ensured to be constant, and meanwhile, the motion condition is fed back to the controller 2 for real-time correction, so that the flexible glass ribbon is accurately and stably pulled, and the process production requirement is met.
In summary, the control unit uniformly sends a speed signal to each driver, the speed feedback of the drivers is sent to the control unit, the control unit can perform programming operation, calculate parameters such as the diameter of the traction roller and the speed ratio of the speed reducer to obtain a rotation speed value, communicate the rotation speed value to each driver, and the real-time speed of each driver is fed back to the controller 2 for comparison so as to correct the parameters. The speed of each traction roller is sent to the host machine 1 for monitoring, meanwhile, the control room can say that the required linear speed and the current torque value of the traction roller are sent to the control unit by the host machine 1, the system sets the plate speed and the torque output according to the production requirement, and finally, the system runs stably.
Many embodiments and many applications other than the examples provided will be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but instead should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are incorporated herein by reference for the purpose of completeness. The omission of any aspect of the subject matter disclosed herein in the preceding claims is not intended to forego such subject matter, nor should the applicant be deemed to have such subject matter not considered to be part of the disclosed subject matter.
The foregoing is a further elaboration of the present invention, and it is not intended that the invention be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the invention, all shall be deemed to fall within the scope of the invention as defined by the claims which are filed herewith.
Claims (10)
1. The control device for drawing the sheet glass is characterized by comprising a control unit, a driving unit and a drawing unit;
the control unit is connected with the driving unit, and the driving unit is connected with the traction unit;
the control unit comprises a host (1) and a controller (2);
the controller (2) is arranged between the host (1) and the driving unit;
the traction unit comprises a first traction group, a second traction group, a third traction group and a fourth traction group;
the driving unit comprises a first driving group, a second driving group, a third driving group and a fourth driving group;
the first driving group, the second driving group, the third driving group and the fourth driving group are connected with the controller (2);
the first traction group is connected with the first driving group; the second traction group is connected with the second driving group; the third traction group is connected with a third driving group; the fourth traction group is connected with the fourth driving group.
2. A control device for sheet glass pulling as in claim 1 wherein the first pulling group and the second pulling group are on the same horizontal plane; the third traction group and the fourth traction group are positioned on the same horizontal plane.
3. A control device for sheet glass pulling according to claim 1, characterized in that the first drive group comprises a first driver (311) and a second driver (312);
the first driver (311) and the second driver (312) are connected with the controller (2).
4. A control device for sheet glass pulling according to claim 3, wherein the first pulling group comprises a first motor (411), a second motor (412), a first pulling roll (511) and a second pulling roll (512);
one end of the first motor (411) is connected with the first driver (311), and the other end of the first motor (411) is connected with the first traction roller (511);
one end of the second motor (412) is connected with the second driver (312), and the other end of the second motor (412) is connected with the second traction roller (512);
the first traction roller (511) and the second traction roller (512) are arranged at opposite positions, and the first traction roller (511) and the second traction roller (512) move in opposite directions.
5. A control device for sheet glass pulling according to claim 1, characterized in that the second drive group comprises a third driver (321) and a fourth driver (322);
the third driver (321) and the fourth driver (322) are connected with the controller (2).
6. The control device for pulling a sheet glass according to claim 5, wherein the second pulling group comprises a third motor (421), a fourth motor (422), a third pulling roll (521), and a fourth pulling roll (522);
one end of the third motor (421) is connected with a third driver (321), and the other end of the third motor (421) is connected with a third traction roller (521);
one end of the fourth motor (422) is connected with the fourth driver (322), and the other end of the fourth motor (422) is connected with the fourth traction roller (522);
the third traction roller (521) is placed opposite to the fourth traction roller (522), and the third traction roller (521) moves in the opposite direction to the fourth traction roller (522).
7. A control device for sheet glass pulling according to claim 1, characterized in that the third driving group comprises a fifth driver (331) and a sixth driver (332);
the fifth driver (331) and the sixth driver (332) are connected with the controller (2).
8. The control device for pulling a sheet glass according to claim 7, wherein the third pulling group includes a fifth motor (431), a sixth motor (432), a fifth pulling roll (531), and a sixth pulling roll (532);
one end of the fifth motor (431) is connected with a fifth driver (331), and the other end of the fifth motor (431) is connected with a fifth traction roller (531);
one end of the sixth motor (432) is connected with the sixth driver (332), and the other end of the sixth motor (432) is connected with the sixth traction roller (532);
the fifth pulling roll (531) is placed opposite to the sixth pulling roll (532), and the fifth pulling roll (531) moves in the opposite direction to the sixth pulling roll (532).
9. A control device for sheet glass pulling according to claim 1, characterized in that the fourth driving group comprises a seventh driver (341) and an eighth driver (342);
the seventh driver (341) and the eighth driver (342) are connected with the controller (2);
the fourth traction group comprises a seventh motor (441), an eighth motor (442), a seventh traction roller (541) and an eighth traction roller (542);
one end of the seventh motor (441) is connected with a seventh driver (341), and the other end of the seventh motor (441) is connected with a seventh traction roller (541);
one end of the eighth motor (442) is connected with the eighth driver (342), and the other end of the eighth motor (442) is connected with the eighth traction roller (542);
the seventh pulling roll (541) is placed opposite to the eighth pulling roll (542), and the seventh pulling roll (541) moves in the opposite direction to the eighth pulling roll (542).
10. A control method for sheet glass drawing according to any one of claims 1 to 9, comprising:
the control unit calculates the running speed of the glass ribbon (6) through the controller (2) to obtain a calculation result; the controller (2) sends the calculation result to the driving unit, and the driving unit drives the traction unit according to the calculation result; the first traction group, the second traction group, the third traction group and the fourth traction group in the traction unit draw the glass ribbon (6) to flow downwards; the controller (2) adjusts the driving unit in real time according to the data fed back by the driving unit and the traction unit, and displays the adjusted result through the host (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311633787.0A CN117645404A (en) | 2023-11-30 | 2023-11-30 | Control device and control method for pulling plate glass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311633787.0A CN117645404A (en) | 2023-11-30 | 2023-11-30 | Control device and control method for pulling plate glass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117645404A true CN117645404A (en) | 2024-03-05 |
Family
ID=90047297
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311633787.0A Pending CN117645404A (en) | 2023-11-30 | 2023-11-30 | Control device and control method for pulling plate glass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117645404A (en) |
-
2023
- 2023-11-30 CN CN202311633787.0A patent/CN117645404A/en active Pending
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