CN108820868B - Automatic balance type screen taking device and automatic balance method of screen taking device - Google Patents
Automatic balance type screen taking device and automatic balance method of screen taking device Download PDFInfo
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- CN108820868B CN108820868B CN201810438645.1A CN201810438645A CN108820868B CN 108820868 B CN108820868 B CN 108820868B CN 201810438645 A CN201810438645 A CN 201810438645A CN 108820868 B CN108820868 B CN 108820868B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/91—Devices for picking-up and depositing articles or materials incorporating pneumatic, e.g. suction, grippers
Abstract
The application provides an automatic balance type screen taking device and an automatic balance method of the screen taking device. The screen ware is got to automatic balance formula includes: the screen taking device platform is provided with a sensor and a vacuum suction nozzle; the screen taking device fixing seat is connected to the screen taking device platform; the spherical universal joint is arranged between the screen taking device fixing seat and the screen taking device platform; at least two actuating devices capable of changing the angle of the screen taking device fixing seat relative to the screen taking device platform; the data processing device can receive the state signal generated by the sensor in real time and selectively output a control signal according to the state signal; and a control device capable of reducing the inclination angle of the liquid crystal panel with respect to the horizontal plane. This application can adjust the levelness of getting the screen ware in real time, and simple structure.
Description
Technical Field
The present disclosure relates to an automatic balancing type screen taking device and an automatic balancing method thereof, and more particularly, to an automatic balancing type screen taking device and an automatic balancing method thereof for a large liquid crystal panel.
Background
In the process of manufacturing the liquid crystal Panel, especially when the finished or semi-finished Panel (Panel) moves in a short distance between devices, a screen Picker (Picker) is often used for moving.
Get and distribute the vacuum suction nozzle of certain quantity on the screen ware, realize snatching of counterplate through the suction nozzle evacuation, its platform size that is used for fixed suction nozzle corresponds with the product size of producing, and when panel size and quality are great, long-term uninterrupted production operation or the not hard up of fixed screw can all make the levelness of getting the screen ware platform lose to the risk that the screen ware takes place to incline and lead to the panel of absorption to damage appears.
The main body of the general screen taking device is made of hard aluminum alloy, and the screen taking device is not adjustable, cannot be corrected once being deformed, and causes waste. Meanwhile, the device also has a levelness sensing function, and cannot provide all-weather monitoring and prevent production accidents, so that loss is caused.
Therefore, a screen grabber capable of adjusting levelness in real time is needed.
Disclosure of Invention
In order to solve at least one of the above defects, the present application provides an automatic balanced screen taking device and an automatic balancing method of the screen taking device.
In order to achieve the purpose, the technical scheme adopted by the application is as follows:
according to a first aspect of embodiments of the present application, an automatic balanced type screen taking device is provided, where the automatic balanced type screen taking device includes: the screen taking device comprises a screen taking device platform, a display device and a control device, wherein a sensor for sensing the inclination angle of the screen taking device platform relative to the horizontal plane and a vacuum suction nozzle for adsorbing a liquid crystal panel are arranged on the screen taking device platform, and the sensor can send out a state signal representing the inclination angle in real time; the screen taking device fixing seat is connected to the screen taking device platform and bears the weight of the screen taking device platform; the spherical universal joint is arranged between the screen taking device fixing seat and the screen taking device platform; at least two actuating devices, wherein one end of each actuating device is connected with the screen taking device platform, and the other end of each actuating device is connected with the screen taking device fixing seat, and the at least two actuating devices can change the angle of the screen taking device fixing seat relative to the screen taking device platform; the data processing device can receive the state signal generated by the sensor in real time and selectively output a control signal according to the state signal; and the control device can receive the control signal sent by the data processing device and drive the two actuating devices according to the control signal so as to reduce the inclination angle of the liquid crystal panel relative to the horizontal plane.
Optionally, a projection of one of the at least two actuators on a horizontal plane is at 90 ° relative to a projection of another of the at least two actuators on a horizontal plane.
Optionally, the at least two actuating devices are two actuating devices, and the automatic balanced type screen taking device further comprises two auxiliary balancing tools, and the two auxiliary balancing tools are arranged in a manner of being centrosymmetric to the two actuating devices with respect to the screen taking device fixing seat so as to assist the balancing of the two actuating devices.
Optionally, each of the two actuating devices comprises: the servo motor is fixed on the screen taking device fixing seat and is used for generating power; a driving gear having a central hole provided therein, the servo motor being coupled to the central hole so as to be capable of rotating the driving gear; a driving belt having a fixed length, coupled to the driving gear, and capable of being driven by rotation of the driving gear; the eccentric gear is coupled with the transmission belt and can be driven by the motion of the transmission belt to rotate, and an eccentric hole is formed in the eccentric gear; a gear shaft post having one end coupled with the eccentric hole and the other end fixed to the screen picker platform, wherein a distance of the central hole from the eccentric hole is changed when the eccentric gear rotates.
Optionally, each of the two auxiliary balancing tools comprises: the balance rod is made of rigid materials, one end of the balance rod is connected with the screen taking device platform, and the other end of the balance rod is connected with the screen taking device fixing seat; the adjusting spring is used for exerting certain pulling force between the screen taking device platform and the screen taking device fixing seat through the balancing rod, wherein the balancing rod is composed of two parts, and the two parts are connected through the adjusting spring.
Optionally, the sensor is a gyro level sensor provided at a central position of a surface of the screen pickup platform and between the ball joint and the screen pickup platform, and a sensitivity of the gyro level sensor can be adjusted.
Optionally, the screen grabber platform is rectangular, and the gear shaft strut of one of the two actuating devices is fixed to the screen grabber platform at a midpoint of one edge of the screen grabber platform; the gear shaft strut of the other of the two actuators is fixed to the screen grabber platform at a midpoint of the other side adjacent to the one side.
Optionally, the drive belt is a flexible belt having teeth formed on an inner surface thereof to mesh with teeth of the drive gear and the eccentric gear.
Optionally, the automatic balanced screen-fetching device further comprises an alarm device, and the alarm device gives an alarm when the inclination angle represented by the state signal is not zero after a certain time.
According to a second aspect of embodiments of the present application, there is provided an automatic balancing method of a screen grabber, the screen grabber comprising a screen grabber platform, a screen grabber fixing base, a ball joint, at least two actuating devices, an auxiliary balancing tool, a data processing device, a control device and an alarm device, the screen grabber platform comprising a sensor and a vacuum nozzle, the automatic balancing method comprising the steps of: determining whether to add lubricating grease into the ball joint according to the activity condition of the ball joint; a driving belt is arranged on a driving gear and an eccentric gear of the servo motor; adjusting the auxiliary balancing tool in a symmetrical position with the at least two actuating devices; determining an initial position of the screen grabber and defining an X-axis and a Y-axis on the screen grabber platform; starting the screen taking device; enabling the data processing device to receive and record the state signals sent by the sensors in real time; when the data processing device obtains that the screen taking device platform is not in a horizontal position according to the state signal, sending a control signal to the control device; the control device controls the at least two actuating devices to actuate on the X axis and the Y axis respectively according to the control signal, so that the angle of the screen taking device platform relative to the horizontal position is reduced; and after the control signal is sent for a certain time, if the processing device judges that the screen taking device platform is not in the horizontal position according to the state signal, the alarm device is driven to send out an alarm.
The technical scheme provided by the embodiment of the application can have the following beneficial effects: this application is used for responding to the levelness through getting the screen ware platform and introducing the sensor to realize getting all-weather levelness control and the automatically regulated function of screen ware in production through data processing device and mechanical system, it is stable, convenient to use, and the controllability is strong. When the screen taking device is inclined, automatic balance adjustment can be realized, equipment alarms when automatic adjustment is unavailable, and damage to the screen taking device is avoided.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the scope of the application.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
FIG. 1 is a schematic perspective view of a screen grabber according to the present application;
FIG. 2 is a schematic plan view of one embodiment of an actuation device of a screen grabber according to the present application;
FIG. 3 is an enlarged partial view of FIG. 2;
FIG. 4 is a schematic plan view of a ball joint of a screen grabber according to the present application; and
fig. 5 is a schematic plan view of an operating screen grabber according to the present application.
Detailed Description
The present application will now be described in detail with reference to specific embodiments thereof as illustrated in the accompanying drawings. These embodiments are not intended to limit the present application, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present application.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.
It will be understood that, although the terms first, second, etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of the present application. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.
Fig. 1 is a schematic perspective view of a screen grabber 1 according to the present application. Fig. 2 is a schematic plan view of one embodiment of an actuating device 300 of the screen grabber 1 according to the present application. Fig. 3 is a partially enlarged view of fig. 2. Fig. 4 is a schematic plan view of a ball joint 500 of a screen grabber 1 according to the present application. Referring to fig. 1 to 4, the screen grabber 1 has a screen grabber platform 100, an auxiliary balancing tool 200, an actuating device 300, a screen grabber fixing base 400, a ball joint 500, a data processing device (not shown), and a control device (not shown).
The panel pickup platform 100 is generally horizontally oriented in an initial state, and a sensor 110 for sensing an inclination angle of the panel pickup platform with respect to a horizontal plane and a vacuum nozzle 120 (see fig. 5) for sucking the liquid crystal panel 2 are provided thereon, and the sensor 110 can sense and emit a status signal indicating the inclination angle in real time. In one embodiment, the sensor 110 may be a gyroscope level sensor. Alternatively, the sensitivity of the sensor 110 may be adjusted as the case may be. The vacuum nozzles 120 pass through the screen picker platform 100 and are uniformly arranged in plurality. The screen grabber platform 100 may be rectangular, circular, or other irregular shape. Preferably, the shape of the screen grabber platform 100 corresponds to the shape of the liquid crystal panel 2 on which the screen grabber 1 is acting.
The screen grabber mount 400 generally has a cylindrical shape (but not limited thereto), is coupled to the screen grabber platform 100, and carries the weight of the screen grabber platform 100. The ball joint 500 is disposed between the screen taking device fixing seat 400 and the screen taking device platform 100, so that the screen taking device platform 100 bears the weight of the screen taking device platform 100 in a lifting manner through the ball joint 500. Optionally, a sensor 110 may also be provided between the lower end of the ball-and-socket joint 500 and the screen grabber platform 100 to connect the two. Ball and socket joint 500 may allow for variable angles of screen grabber mount 400 relative to screen grabber platform 100. Referring to fig. 4, a ball and socket joint 500 may include a ball head 510 and a mount 520 at least partially surrounding ball head 510. The ball joint 500 may have other structures as long as the portion connected to the ball 510 can freely rotate within a certain range with respect to the portion connected to the fixing base 520. In the initial condition, the screen remover mount 400 is at approximately 90 ° to the screen remover platform 100. It should be understood that screen grabber mount 400 may have any suitable angle with respect to screen grabber platform 100.
The screen taking device 1 comprises at least two actuating devices 300, one end of each actuating device is connected with the screen taking device platform 100, and the other end of each actuating device is connected with the screen taking device fixing seat 400. The actuator 300 may be actuated to change the angle of the screen grabber mount 400 relative to the screen grabber platform 100. Optionally, two actuators 300 are provided. Alternatively, actuating device 300 is a gear and belt mechanism driven by servo motor 350. Specifically, the actuator 300 includes: a servo motor 350 fixed on the screen taking device fixing base 400 and used for generating power; a driving gear 320 having a center hole 321 provided therein, the servo motor 250 being coupled to the center hole 321 so as to be able to rotate the driving gear; a transmission belt 340 having a fixed length, coupled to the driving gear 320, and capable of being driven by the rotation of the driving gear 320; the eccentric gear 330 is coupled with the transmission belt 340 and can be driven by the motion of the transmission belt 340 to rotate, and an eccentric hole 331 is formed in the eccentric gear 330; the gear shaft support 310 has one end coupled with the eccentric hole 331 and the other end fixed to the screen picker platform 400. When the eccentric gear 330 rotates, the distance of the central hole 321 from the eccentric hole 331 changes. Alternatively, the transmission belt 340 is a flexible belt, the inner surface of which is formed with teeth to mesh with the teeth of the driving gear 320 and the eccentric gear 330. It should be appreciated that, in one embodiment, the actuator 300 may be made of a rigid material and may include multiple portions that are retractable with respect to one another, which may be driven (e.g., by hydraulic pressure, etc.) to move relative to one another to change the length of the overall actuator 300.
Optionally, the screen grabber 1 comprises an auxiliary balancing tool 200. The auxiliary balancing tool 200 is centrally symmetrically disposed with respect to the screen remover fixing base 400 and the actuating device 300 to assist the balancing of the actuating device 300. In one embodiment, the auxiliary balancing tool 200 may include a balancing bar 210 formed of a rigid material, one end of which is connected to the screen remover platform 100 and the other end of which is connected to the screen remover fixing base 400; the adjusting spring 220 applies a certain pulling force between the screen taking device platform 100 and the screen taking device fixing seat 400 through the balance bar 210. The stabilizer bar 210 may be constructed of two parts that are connected via an adjustment spring. In one embodiment, two actuators 300 and two auxiliary balancing tools 200 are provided. The two actuators 300 are arranged in a central symmetrical manner with respect to the two auxiliary balancing tools 200. The projections of the two actuators 300 on the horizontal plane may have an angle of 90 °, and likewise the projections of the two auxiliary balancing tools 200 on the horizontal plane also have an angle of 90 °. In this embodiment, the screen grabber platform 100 may be rectangular, the gear shaft strut 310 of one of the two actuating devices 300 may be fixed to the screen grabber platform 100 at a midpoint of one side of the screen grabber platform 100, and the gear shaft strut 310 of the other of the two actuating devices 300 may be fixed to the screen grabber platform 100 at a midpoint of the other side adjacent to the one side. In another embodiment, more than two actuators 300 may be provided. In yet another embodiment, only two actuators 300 may be provided without the auxiliary balancing tool 200 (e.g., in embodiments where the actuators 300 are rigidly retractable as described above).
The data processing device may communicate with the sensor 110 and the control device in a wired or wireless manner to transmit data therebetween. The data processing device may receive the status signal generated by the sensor 110 in real time and selectively output a control signal according to the status signal. For example, when the status signal indicates that the screen grabber platform 100 deviates from the horizontal position, a control signal is output to correct the tilt angle of the screen grabber platform 100. A coordinate system having an X-axis and a Y-axis may be established in the data processing apparatus. In one embodiment, the data processing device sets an extended straight line of a projection of one actuator 300 on the screen grabber platform 100 as the X-axis, and sets an extended straight line of a projection of another actuator 300 on the screen grabber platform 100 as the Y-axis. The projections of the two actuators 300 on the screen grabber platform 100 are at 90 ° to each other. That is, the X and Y axes are 90 to each other. Of course, such an arrangement is optional, not necessary.
In one embodiment, the status signal generated by sensor 110 may include two angle information, where one angle represents an azimuth angle at which screen grabber platform 100 is tilted and the other angle represents a tilt angle (i.e., a degree of tilt) with respect to a horizontal plane. The data processing means may process the two angle information and determine an output value of the control signal. The control signal may include a signal corresponding to the amount of movement of each actuator 300. In one embodiment, the signal corresponding to the amount of movement of each actuator 300 is the angle at which servo motor 350 drives drive gear 320 to rotate. In one embodiment, the data processing device may have a storage medium therein in which the status signals received from the sensors 110 may be stored. It will be appreciated that the data processing means may process the status signals, issue control signals and adjust the off-level screen grabber platform 100 back to the horizontal plane in any existing manner and in a manner that may be created in the future.
The control device can receive the control signal sent by the data processing device and drive the actuating device 300 according to the control signal, so that the inclination angle of the liquid crystal panel 2 relative to the horizontal plane is reduced until the liquid crystal panel 2 is completely horizontal. Referring to fig. 5, the vacuum nozzles 120 are uniformly disposed on the screen picker platform 100 through the screen picker platform 100. The vacuum suction nozzles 120 protrude downward from the screen grabber platform 100 by the same length, and thus, the plane on which the liquid crystal panel 2 is positioned is parallel to the plane on which the screen grabber platform 100 is positioned.
In one embodiment, the screen grabber 1 may further comprise an alarm, which may be in communication with the data processing device. When the liquid crystal panel 2 cannot be adjusted to be horizontal, the data processing apparatus sends a signal to the alarm, thereby causing the alarm to give an alarm. The alarm may be in the form of a sound, a light, or a combination of both. The alarm condition may be set such that the angle of the screen grabber platform 100 indicated by the status signal received from the sensor 110 after a certain time (e.g., 1 second, 2 seconds, 3 seconds, etc.) from the time the data processing apparatus issues the control signal is not zero with respect to the horizontal plane (which does not mean absolute zero degrees here, but reaches an angle that is considered zero degrees by the screen grabber 1 within the accuracy of the screen grabber 1). Of course, the condition for issuing an alarm may be set to any other suitable condition.
Hereinafter, an automatic balancing method of the screen fetcher will be described. The method may comprise the steps of: determining whether to add a lubricant (e.g., grease or other lubricant) to ball joint 500 based on the activity of ball joint 500; a driving belt 340 is installed on the driving gear 320 and the eccentric gear 330 of the servo motor 350; adjusting the auxiliary balancing tool 200 in a symmetrical position with at least two actuators 300 (this step may be omitted in embodiments without the auxiliary balancing tool 200); determining an initial position of the screen grabber 1 and defining an X-axis and a Y-axis on the screen grabber platform 100; activating the screen grabber 1 (e.g., by energizing the screen grabber 1); enabling the data processing device to receive and record the state signal sent by the sensor 110 in real time; when the data processing device obtains that the screen taking device platform 100 is not in a horizontal position according to the state signal, a control signal is sent to the control device; the control device controls at least two actuating devices 300 to respectively actuate on the X axis and the Y axis according to the control signal, so that the angle of the screen taking device platform 100 relative to the horizontal position is reduced; after the control signal is sent for a certain time, if the processing device judges that the screen taking device platform 100 is not in the horizontal position or the inclination angle is not small according to the state signal, the alarm device is driven to send out an alarm.
Other embodiments of the present application will be apparent to those skilled in the art from consideration of the specification and practice of the application disclosed herein. This application is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the application being indicated by the following claims.
It will be understood that the present application is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the application is limited only by the appended claims.
Claims (10)
1. The utility model provides a screen ware is got to automatic balance formula which characterized in that, screen ware is got to automatic balance formula includes:
the screen taking device comprises a screen taking device platform, a display device and a control device, wherein a sensor for sensing the inclination angle of the screen taking device platform relative to the horizontal plane and a vacuum suction nozzle for adsorbing a liquid crystal panel are arranged on the screen taking device platform, and the sensor can send out a state signal representing the inclination angle in real time;
the screen taking device fixing seat is connected to the screen taking device platform and bears the weight of the screen taking device platform;
the spherical universal joint is arranged between the screen taking device fixing seat and the screen taking device platform;
at least two actuating devices, wherein one end of each actuating device is connected with the screen taking device platform, and the other end of each actuating device is connected with the screen taking device fixing seat, and the at least two actuating devices can change the angle of the screen taking device fixing seat relative to the screen taking device platform;
the data processing device can receive the state signal generated by the sensor in real time and selectively output a control signal according to the state signal;
and the control device can receive the control signal sent by the data processing device and drive the two actuating devices according to the control signal so as to reduce the inclination angle of the liquid crystal panel relative to the horizontal plane.
2. The automatic balanced screen drawer according to claim 1, wherein a projection of one of the at least two actuators on a horizontal plane is 90 ° relative to a projection of another of the at least two actuators on a horizontal plane.
3. The automatic balanced screen taking device according to claim 1 or 2, wherein the at least two actuating devices are two actuating devices, and the automatic balanced screen taking device further comprises two auxiliary balancing tools, and the two auxiliary balancing tools are arranged in a manner of being centered symmetrically with the two actuating devices about the screen taking device fixing seat so as to assist the balancing of the two actuating devices.
4. The automatic balanced screen drawer according to claim 3, wherein each of the two actuators comprises:
the servo motor is fixed on the screen taking device fixing seat and is used for generating power;
a driving gear having a central hole provided therein, the servo motor being coupled to the central hole so as to be capable of rotating the driving gear;
a driving belt having a fixed length, coupled to the driving gear, and capable of being driven by rotation of the driving gear;
the eccentric gear is coupled with the transmission belt and can be driven by the motion of the transmission belt to rotate, and an eccentric hole is formed in the eccentric gear;
a pinion shaft post having one end coupled with the eccentric hole and the other end fixed to the screen picker platform,
wherein a distance of the central hole from the eccentric hole is changed when the eccentric gear rotates.
5. The automatic balanced screen drawer according to claim 3, wherein each of the two auxiliary balancing tools comprises:
the balance rod is made of rigid materials, one end of the balance rod is connected with the screen taking device platform, and the other end of the balance rod is connected with the screen taking device fixing seat;
the adjusting spring applies a certain pulling force between the screen taking device platform and the screen taking device fixing seat through the balancing rod,
wherein the balancing bar is composed of two parts which are connected via the adjusting spring.
6. The self-balancing screen grabber of claim 1, wherein the sensor is a gyroscope level sensor disposed at a central location of a surface of the screen grabber platform and between the ball-and-socket joint and the screen grabber platform, and wherein a sensitivity of the gyroscope level sensor is adjustable.
7. The self-balancing screen grabber of claim 3, wherein said screen grabber platform is rectangular, and a gear shaft strut of one of said two actuators is fixed to said screen grabber platform at a midpoint of one edge of said screen grabber platform; the gear shaft strut of the other of the two actuators is fixed to the screen grabber platform at a midpoint of the other side adjacent to the one side.
8. The self-balancing screen drawer according to claim 4, wherein the transmission belt is a flexible belt having teeth formed on an inner surface thereof to mesh with teeth of the drive gear and the eccentric gear.
9. The automatic balanced screen remover according to claim 1, further comprising an alarm device that issues an alarm when the tilt angle represented by the status signal remains non-zero after a certain time.
10. An automatic balancing method of a screen taking device, wherein the screen taking device comprises a screen taking device platform, a screen taking device fixing seat, a ball joint, at least two actuating devices, an auxiliary balancing tool, a data processing device, a control device and an alarm device, the screen taking device platform comprises a sensor and a vacuum suction nozzle, and the automatic balancing method is characterized by comprising the following steps:
determining whether to add lubricating grease into the ball joint according to the activity condition of the ball joint;
a driving belt is arranged on a driving gear and an eccentric gear of the servo motor;
adjusting the auxiliary balancing tool in a symmetrical position with the at least two actuating devices;
determining an initial position of the screen grabber and defining an X-axis and a Y-axis on the screen grabber platform;
starting the screen taking device;
enabling the data processing device to receive and record the state signals sent by the sensors in real time;
when the data processing device obtains that the screen taking device platform is not in a horizontal position according to the state signal, a control signal is sent to the control device;
the control device controls the at least two actuating devices to actuate on the X axis and the Y axis respectively according to the control signal, so that the angle of the screen taking device platform relative to the horizontal position is reduced;
and after the control signal is sent for a certain time, if the processing device judges that the screen taking device platform is not in the horizontal position according to the state signal, the processing device drives the alarm device to send out an alarm.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810438645.1A CN108820868B (en) | 2018-05-09 | 2018-05-09 | Automatic balance type screen taking device and automatic balance method of screen taking device |
| PCT/CN2019/085287 WO2019214519A1 (en) | 2018-05-09 | 2019-04-30 | Automatic balance type screen extractor and automatic balancing method for screen extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810438645.1A CN108820868B (en) | 2018-05-09 | 2018-05-09 | Automatic balance type screen taking device and automatic balance method of screen taking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108820868A CN108820868A (en) | 2018-11-16 |
| CN108820868B true CN108820868B (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810438645.1A Expired - Fee Related CN108820868B (en) | 2018-05-09 | 2018-05-09 | Automatic balance type screen taking device and automatic balance method of screen taking device |
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| Country | Link |
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| CN (1) | CN108820868B (en) |
| WO (1) | WO2019214519A1 (en) |
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|---|---|---|---|---|
| CN108820868B (en) * | 2018-05-09 | 2020-06-16 | 京东方科技集团股份有限公司 | Automatic balance type screen taking device and automatic balance method of screen taking device |
| CN110789957A (en) * | 2019-11-13 | 2020-02-14 | 徐州市创新科技发展有限公司 | Transportation measurement and control device |
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| CN108820868B (en) * | 2018-05-09 | 2020-06-16 | 京东方科技集团股份有限公司 | Automatic balance type screen taking device and automatic balance method of screen taking device |
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- 2018-05-09 CN CN201810438645.1A patent/CN108820868B/en not_active Expired - Fee Related
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- 2019-04-30 WO PCT/CN2019/085287 patent/WO2019214519A1/en active Application Filing
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| DE29903815U1 (en) * | 1999-02-22 | 1999-07-15 | Herz System Und Anlagentechnik | Device for controlling the relative stroke of a lifting device attacking objects |
| CN106348184A (en) * | 2015-07-20 | 2017-01-25 | 厦门昊恒工贸有限公司 | Flat plate assembling machine |
| CN106743646A (en) * | 2016-12-23 | 2017-05-31 | 桐城市五强彩钢制品有限公司 | A kind of glass cantilever crane |
| CN107986161A (en) * | 2017-11-14 | 2018-05-04 | 大连理工大学 | A kind of large-scale workpiece hoisting process attitude monitoring and positioner |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108820868A (en) | 2018-11-16 |
| WO2019214519A1 (en) | 2019-11-14 |
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