CN113735429A - Glass scribing and cutting device and cutting method thereof - Google Patents
Glass scribing and cutting device and cutting method thereof Download PDFInfo
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- CN113735429A CN113735429A CN202110972958.7A CN202110972958A CN113735429A CN 113735429 A CN113735429 A CN 113735429A CN 202110972958 A CN202110972958 A CN 202110972958A CN 113735429 A CN113735429 A CN 113735429A
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
- C03B33/03—Glass cutting tables; Apparatus for transporting or handling sheet glass during the cutting or breaking operations
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B33/00—Severing cooled glass
- C03B33/02—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor
- C03B33/023—Cutting or splitting sheet glass or ribbons; Apparatus or machines therefor the sheet or ribbon being in a horizontal position
- C03B33/037—Controlling or regulating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
Abstract
The application provides a glass scribing and cutting device and a cutting method thereof, and relates to the field of glass cutting equipment. Glass scribing and cutting apparatus comprising: the cutter frame is provided with a driving part, a cutter wheel is connected to the cutter frame in a sliding mode along the vertical direction, and the driving part is connected with the cutter wheel and used for driving the cutter wheel to reciprocate along the vertical direction; the distance sensor is arranged on the cutter handle of the cutter wheel, is positioned on one side of the moving direction of the cutter wheel when the cutter wheel cuts the glass substrate, and is used for detecting the distance from the surface of the position, to be cut, of the glass substrate on the workbench; a controller connected with the driving part and the distance sensor, respectively. The glass scribing and cutting device can adjust the cutting depth of the cutter wheel according to levelness of different positions of the workbench, solves the problem of difficulty in adjusting the parallelism of the workbench, enables the cutting depth of the whole cutting process to be consistent, and improves the glass cutting quality.
Description
Technical Field
The application relates to the field of glass cutting equipment, in particular to a glass scribing and cutting device and a cutting method thereof.
Background
In the production process of the liquid crystal glass substrate, scribing and cutting are very important processes, the glass substrates with different sizes are accurately cut into the sizes required by customers, and the cut glass is broken off by excessive baits through the breaking-off process, so that the cutting work is completed.
At present, the cutting amount (namely the scribing and cutting depth of a cutter wheel on the surface of a glass substrate) is influenced by factors such as semi-finished product warpage, workbench level, foundation level, cutter frame guide rail abrasion, equipment part abrasion and the like, so that the glass substrate is inconsistent in the workbench level, the cutting amount of the cutter wheel is changed in the cutting process, the glass is broken in the cutting process, and the phenomena of more breaking and less breaking exist in the breaking process, so that the stability of a production line is influenced, and the cost consumption is increased. In order to solve the technical problem of inconsistent cutting amount, a producer measures the distance from the tool bit to the workbench by a dial indicator after the tool bit cuts 100mm, and then the average value is taken to adjust the level of the workbench; because the existing workbench has large levelness deviation and can not meet the use requirement, the actual adjustment difficulty is large, the consumed time is long, and the production efficiency is seriously influenced.
The above technical problem needs to be further solved.
Disclosure of Invention
The invention mainly aims to provide a glass scribing and cutting device and a glass scribing and cutting method, which can solve the problem of cutting quality caused by the horizontal deviation of a workbench when glass is cut at present.
In order to solve the above technical problem, an embodiment of the present application provides the following technical solutions:
in one aspect the present application provides a glass scoring and cutting device comprising:
the cutter frame is provided with a driving part, a cutter wheel is connected to the cutter frame in a sliding mode along the vertical direction, and the driving part is connected with the cutter wheel and used for driving the cutter wheel to reciprocate along the vertical direction;
the distance sensor is arranged on the cutter handle of the cutter wheel, is positioned on one side of the moving direction of the cutter wheel when the cutter wheel cuts the glass substrate, and is used for detecting the distance from the surface of the position, to be cut, of the glass substrate on the workbench;
a controller connected to the driving part and the distance sensor, respectively;
setting N detection points at uniform intervals along the track of the glass substrate cut by the cutter wheel, and setting the distance from the distance sensor to the first detection point during initial cutting as a reference distance D1Sequentially detecting the distances D between the second detection point and the Nth detection point and the distance sensor along with the cutting motion of the cutter wheelNSequentially transmitting the detected distance data to the controller, and enabling the controller to transmit the distance DNAnd the reference distance D1After the difference is made, the difference value is used as an adjusting signal to be sent to the driving partThe driving part controls the cutter wheel to adjust the cutting depth of the glass substrate along the vertical direction based on the adjusting signal;
and N is a positive integer greater than or equal to 2.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
Alternatively, the glass scribing and cutting device is provided, wherein the distance between two adjacent detection points is 30-100 mm.
Alternatively, the glass scribing and cutting device is provided, wherein the distance between two adjacent detection points is 50 mm.
Optionally, in the glass scribing and cutting device, a mounting rod is horizontally connected to a handle of the cutter wheel, and the mounting rod is located on one side of the movement direction when the cutter wheel cuts the glass substrate;
the distance sensor is arranged on the mounting rod, and the detection end of the distance sensor faces downwards.
Optionally, in the glass scribing and cutting device, the number of the distance sensors is two, two distance sensors are arranged on the mounting rod at intervals, and the distance between two distance sensors is equal to the distance between two adjacent detection points;
wherein the distance D to be detected by the two distance sensors is respectivelyNAnd a distance DN+1Transmitting to the controller, the controller transmitting the distance D each timeNAnd the reference distance D1Making a difference and calculating the distance DN+1And the reference distance D1And after the difference is made, taking the average value of the two difference values as the adjusting signal.
Optionally, in the glass scribing and cutting device, the driving portion is a servo motor, a driving end of the servo motor is connected to a lead screw along a vertical direction, the cutter wheel is provided with a nut, the nut is connected to the lead screw, and the servo motor drives the nut through the lead screw to drive the cutter wheel to reciprocate along the vertical direction.
Optionally, in the glass scribing and cutting device, a slide rail is arranged on the tool rest in the vertical direction, and a slide block is connected to the cutter wheel, and the slide rail is slidably connected to the slide block.
Optionally, in the glass scribing and cutting device, the controller is a single chip microcomputer, and the controller is connected with a control system of the glass scribing and cutting device.
In another aspect, the present application provides a glass cutting method for the glass scribing and cutting apparatus described above, including:
setting N detection points along the track of cutting the glass substrate by the cutter wheel;
the distance between the first detection point and the distance sensor is obtained at the initial cutting position and is used as a reference distance D1；
Sequentially detecting the distances D between the second detection point and the Nth detection point and the distance sensor along with the cutting of the glass substrate by the cutter wheelN；
The detected distance DNRespectively at a distance D from the reference1And performing difference to obtain a difference value, taking the difference value as an adjusting signal, and controlling the cutter wheel to adjust the cutting depth of the glass substrate along the vertical direction based on the adjusting signal.
The object of the present invention and the technical problems solved thereby can be further achieved by the following technical measures.
Alternatively, the glass cutting method described above, wherein the distance D is obtained simultaneouslyNAnd a distance DN+1；
The distance D is measuredNAnd the reference distance D1Making a difference, and calculating the distance DN+1And the reference distance D1And taking the average value of the two difference values as the adjusting signal.
By the technical scheme, the glass scribing and cutting device and the glass scribing and cutting method at least have the following advantages:
the glass scribing and cutting device provided by the embodiment of the invention has the advantages that the cutter wheel is connected with the cutter frame in a sliding manner, the driving part and the distance sensor are additionally arranged, the distance between each detection point and the distance sensor on the track of the cut glass substrate can be detected through the distance sensor, so that after the distance between each detection point and the distance sensor is different from the initial reference distance, a control signal for adjusting the cutting depth of the cutter wheel can be obtained, the driving part can be controlled by the control signal to drive the cutter wheel to adjust the cutting depth at different detection points in real time, and the fine adjustment of the cutting depth of the cutter wheel can be realized corresponding to the change of the levelness of different positions of the workbench on the cutting track. In summary, the glass scribing and cutting device provided by the embodiment of the invention can adjust the cutting depth of the cutter wheel according to the levelness of different positions of the workbench, so that the parallelism of the workbench does not need to be adjusted repeatedly, and the problem of difficulty in adjusting the parallelism of the workbench is solved; the consistency of the cutting depth of the whole cutting track of the glass substrate is ensured, the glass cutting quality is improved, and the problems of plate breaking and more and less plate breaking in the plate breaking process in the glass substrate cutting procedure are thoroughly solved; meanwhile, the stable cutting depth can improve the use mileage of the cutter wheel, reduce the consumption of the cutter wheel and reduce the use cost.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
The above and other objects, features and advantages of exemplary embodiments of the present application will become readily apparent from the following detailed description read in conjunction with the accompanying drawings. Several embodiments of the present application are illustrated by way of example and not by way of limitation in the figures of the accompanying drawings and in which like reference numerals refer to similar or corresponding parts and in which:
fig. 1 schematically shows a schematic view of a glass scribing and cutting apparatus;
fig. 2 schematically shows a flow diagram of a glass cutting method.
In fig. 1, the reference numerals are:
knife rest 1, driving part 2, knife flywheel 3, knife handle 31, mounting rod 32, distance sensor 4, lead screw 5, slide rail 6, slide block 7 and glassSubstrate 8 and detection point P1、P2、P3…PN。
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be noted that, unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.
Example one
As shown in fig. 1, a glass scribing and cutting apparatus according to an embodiment of the present invention includes:
the tool rest comprises a tool rest 1, wherein a driving part 2 is arranged on the tool rest 1, a cutter wheel 3 is connected to the tool rest 1 in a sliding mode along the vertical direction, and the driving part 2 is connected with the cutter wheel 3 and used for driving the cutter wheel 3 to reciprocate along the vertical direction;
the distance sensor 4 is arranged on a tool shank 31 of the cutter wheel 3, the distance sensor 4 is positioned on one side of the moving direction of the cutter wheel 3 when the cutter wheel 3 cuts the glass substrate 8, and the distance sensor 4 is used for detecting the distance from the surface of the position, to be cut, of the glass substrate 8 on the workbench;
a controller connected to the driving part 2 and the distance sensor 4, respectively;
wherein, N detection points P are set at even intervals along the track of the cutter wheel 3 for cutting the glass substrate 81、P2、P3…PNSetting the distance to the first detection point detected by the distance sensor 4 at the time of starting cutting as a reference distance D1Sequentially detecting the distances D between the second detection point and the Nth detection point and the distance sensor 4 along with the cutting motion of the cutter wheel 3NWill detectThe obtained distance data are sequentially transmitted to the controller, and the controller transmits the distance DNAnd the reference distance D1After the difference is made, the difference value is used as an adjusting signal to be sent to the driving part 2, and the driving part 2 controls the cutter wheel 3 to adjust the cutting depth of the glass substrate 8 along the vertical direction based on the adjusting signal; and N is a positive integer greater than or equal to 2.
Specifically, the embodiment of the present invention provides a glass scribing and cutting device, the main body part of which can refer to the current glass scribing and cutting device, and the present application is an improvement on the position of a cutter wheel 3 connected to a cutter rest 1, and is additionally provided with a driving part 2 and a distance sensor 4. The distance sensor 4 is obtained by direct purchase of technicians, and can be selected according to needs, so that the detailed description is omitted; the driving part 2 may be a driver that precisely drives the cutter wheel 3 to travel a designated distance by controlling a control signal, and may be, for example, a servo motor, a motor with a detection distance output, a linear motor, or the like; the controller may be provided separately only for controlling the driving unit 2 to adjust the cutter wheel 3, or a control system of the glass scribing and cutting apparatus may be directly used as the controller.
Further, it should be noted that the cutter wheel 3 is vertically adjusted, and even if the glass substrate 8 on the table can be cut, the distance sensor 4 detects the distance from the surface of the glass substrate 8 on the table, that is, the vertical distance, and the distance sensor 4 must be located on the side of the direction in which the cutter wheel 3 cuts the glass substrate 8, so that the distance sensor 4 detects the distance from the position of the detection point which has not been cut. The controller will control the distance DNAnd the reference distance D1The difference obtained after the difference is made can be directly used as an adjustment signal to be sent to the driving part 2 so as to control the driving part 2 to drive the cutter wheel 3 to move in the vertical direction, or the difference can be converted into an electric signal or a digital signal which can be recognized by the driving part 2, and then the driving part 2 drives the cutter wheel 3 to move in the vertical direction based on the adjustment signal, so that the adjustment of the cutting depth is finally realized.
Wherein the N detection points arranged along the track to be cut of the glass substrate 8 need to be evenly spaced so as to obtain an adjustment signalWhen adjusting the cutting wheel 3 depth of cut, the regulation of going on after every the same working distance, the distance between two adjacent check points needs the suitable vertical that sets up simultaneously, avoids too big fluctuation. That is, the controller receives the corresponding distance D at each detection pointNAnd corresponding to a reference distance D1And (4) making a difference, transmitting the obtained adjusting signal to the driving part 2, and implementing real-time cutting depth adjustment corresponding to the detection point.
According to the glass scribing and cutting device provided by the embodiment of the invention, the cutter wheel 3 is connected with the cutter frame 1 in a sliding manner, the driving part 2 and the distance sensor 4 are additionally arranged, the distance between each detection point and the distance sensor 4 on the track of the cut glass substrate 8 can be detected through the distance sensor 4, so that after the distance between each detection point and the distance sensor 4 is different from the initial reference distance, a control signal for adjusting the cutting depth of the cutter wheel 3 can be obtained, and then the driving part 2 can be controlled by the control signal to drive the cutter wheel 3 to adjust the cutting depth at the positions of different detection points in real time, namely, the fine adjustment of the cutting depth of the cutter wheel 3 is realized corresponding to the change of the levelness of different positions of the workbench on the cutting track. In summary, the glass scribing and cutting device provided by the embodiment of the invention can adjust the cutting depth of the cutter wheel 3 according to the levelness of different positions of the workbench, so that the parallelism of the workbench does not need to be adjusted repeatedly, and the problem of difficulty in adjusting the parallelism of the workbench is solved; the consistency of the cutting depth of the whole cutting track of the glass substrate 8 is ensured, the glass cutting quality is improved, and the phenomena of more breaking and less breaking in the processes of breaking and breaking the glass substrate 8 in the cutting procedure are thoroughly solved; meanwhile, the stable cutting depth can improve the use mileage of the cutter wheel 3, reduce the consumption of the cutter wheel 3 and reduce the use cost.
In a specific implementation, the distance between two adjacent detection points is 30-100mm, and the distance between two adjacent detection points is preferably 50 mm.
Specifically, the distance between the detection points is obtained from actual production experience, and is preferable data. Or the adjustment can be carried out adaptively according to different working tables of the glass scribing and cutting device, which is not described in detail herein.
In a specific implementation, a mounting rod 32 is horizontally connected to the handle 31 of the cutter wheel 3, and the mounting rod 32 is located on one side of the movement direction when the cutter wheel 3 cuts the glass substrate 8; the distance sensor 4 is provided on the mounting rod 32, and a detection end of the distance sensor 4 faces downward.
Specifically, it should be noted that the cutter wheel 3 is not a wheel-shaped cutter with a literal meaning, but a name for a cutter in the glass scribing and cutting device, that is, the cutter wheel 3 includes a handle 31, a cutter head and other structures. The distance sensor 4 can be conveniently installed by horizontally additionally arranging the installation rod 32 on the cutter handle 31, and meanwhile, the installation rod 32 is arranged on one side of the cutter wheel 3 in the moving direction of the glass substrate 8 to be cut, so that after the distance sensor 4 is installed, the distance sensor 4 can be positioned above the uncut position of the cutting track of the glass substrate 8.
Further, the number of the distance sensors 4 is two, two distance sensors 4 are arranged on the mounting rod 32 at intervals, and the distance between two distance sensors 4 is equal to the distance between two adjacent detection points; wherein the distances D to be detected by the two distance sensors 4 are respectivelyNAnd a distance DN+1Transmitting to the controller, the controller transmitting the distance D each timeNAnd the reference distance D1Making a difference and calculating the distance DN+1And the reference distance D1And after the difference is made, taking the average value of the two difference values as the adjusting signal.
Specifically, by providing two distance sensors 4, an average adjustment distance can be obtained, and the cutting depth of the cutter wheel 3 can be adjusted more uniformly, thereby avoiding local over-depth or over-shallow.
In a specific implementation, the driving portion 2 is a servo motor, a driving end of the servo motor is connected with a lead screw 5 along a vertical direction, the cutter wheel 3 is provided with a nut, the nut is connected with the lead screw 5, and the servo motor drives the nut through the lead screw 5 to drive the cutter wheel 3 to reciprocate along the vertical direction.
Specifically, the servo motor is installed on the tool rest 1 through structures such as a mounting seat and a bolt, the lead screw 5 is vertically fixed on the tool rest 1 through two fixing seats, and a nut arranged on the knife flywheel 3 can extend to be connected to a far place through a rod piece so as to conveniently connect the lead screw 5.
Further, a slide rail 6 is arranged on the tool rest 1 along the vertical direction, the cutter wheel 3 is connected with a slide block 7, and the slide rail 6 is connected with the slide block 7 in a sliding manner.
In a specific implementation, the controller is a single chip microcomputer, and the controller is connected with a control system of the glass scribing and cutting device.
Specifically, the cost of the single chip microcomputer is low, and a complex program is not needed to operate and process the distance data, so that the selection of the single chip microcomputer is a better scheme. The single chip microcomputer is connected with the control system of the glass scribing and cutting device, so that when the glass substrate 8 starts to be cut, the control system of the glass scribing and cutting device informs the single chip microcomputer of starting distance detection and distance difference calculation, and when the cutting is finished, the single chip microcomputer is informed of stopping working.
Example two
As shown in fig. 2, a glass cutting method according to a second embodiment of the present invention is applied to the glass scribing and cutting apparatus according to the first embodiment, and includes:
201. n detection points are set along the track of the cutter wheel for cutting the glass substrate.
Specifically, it is preferable to use N detection points set in a uniformly spaced manner, which are set in the control system of the glass-scoring cutting apparatus by the design of a program, that is, to control the distance sensor to perform distance detection at a specified spaced position.
202. The distance between the first detection point and the distance sensor is obtained at the initial cutting position and is used as a reference distance D1。
Specifically, the position of the initial cutting is the first detection point, at this time, the glass scribing and cutting device controls the tool rest to drive the cutter wheel to move to the initial cutting position, and then the control system controls the distance sensor to start distance measurement.
203、Sequentially detecting the distances D between the second detection point and the Nth detection point and the distance sensor along with the cutting of the glass substrate by the cutter wheelN。
Specifically, the distance between the second detection point and the Nth detection point is detected by the distance sensor in sequence, and then the detected distance data is transmitted to the controller.
204. The detected distance DNRespectively at a distance D from the reference1And performing difference to obtain a difference value, taking the difference value as an adjusting signal, and controlling the cutter wheel to adjust the cutting depth of the glass substrate along the vertical direction based on the adjusting signal.
Specifically, the controller is based on the received distance DNRespectively at a distance D from the reference1And performing difference to obtain a difference value, further sending the difference value to a driving part as an adjusting signal, and finally driving the cutter wheel to adjust the cutting depth by the driving part based on the adjusting signal. The specific cutting depth adjustment principle is distance DNDistance D from reference1When the difference is positive, the cutter wheel is adjusted downwards, the adjusted distance is the absolute value of the difference, and when the distance D is equal to the absolute value of the differenceNDistance D from reference1When the difference value is negative, the cutter wheel is adjusted upwards, and the adjusted distance is the absolute value of the difference value.
The glass cutting method provided by the embodiment of the invention is used for a glass scribing and cutting device, so that the glass scribing and cutting device can adjust the cutting depth of the cutter wheel according to the levelness of different positions of the workbench, the parallelism of the workbench does not need to be adjusted repeatedly, and the problem of difficulty in adjusting the parallelism of the workbench is solved; the consistency of the cutting depth of the whole cutting track of the glass substrate is ensured, the glass cutting quality is improved, and the problems of plate breaking and more and less plate breaking in the plate breaking process in the glass substrate cutting procedure are thoroughly solved; meanwhile, the stable cutting depth can improve the use mileage of the cutter wheel, reduce the consumption of the cutter wheel and reduce the use cost.
In a specific implementation, the glass cutting method provided by the embodiment of the invention can further comprise the following steps: simultaneously obtaining said distance DNAnd a distance DN+1(ii) a The distance D is measuredNAnd the reference distance D1Making a difference, and calculating the distance DN+1And the reference distance D1And taking the average value of the two difference values as the adjusting signal.
Specifically, two distance sensors are arranged to detect the distance at the same time, and then the distance detected by the two distance sensors is used for calculating the difference value and averaging the difference value, so that the average adjusting distance can be obtained, the cutting depth of the cutter wheel can be adjusted more uniformly, and the phenomenon that the local part is too deep or too shallow is avoided.
And further, a checking step can be added, namely, the distance sensor is used for detecting the distance at the same detection point for multiple times, and then whether the measured distance belongs to the fluctuation range is judged, if the measured distance belongs to the fluctuation range, the data detected by the distance sensor is accurate, the subsequent operation of difference can be carried out, otherwise, an alarm is given out, and the device needs to be debugged.
It will be appreciated that the relevant features of the devices described above may be referred to one another. In addition, "first", "second", and the like in the above embodiments are for distinguishing the embodiments, and do not represent merits of the embodiments.
In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A glass scoring and cutting device, comprising:
the cutter frame is provided with a driving part, a cutter wheel is connected to the cutter frame in a sliding mode along the vertical direction, and the driving part is connected with the cutter wheel and used for driving the cutter wheel to reciprocate along the vertical direction;
the distance sensor is arranged on the cutter handle of the cutter wheel, is positioned on one side of the moving direction of the cutter wheel when the cutter wheel cuts the glass substrate, and is used for detecting the distance from the surface of the position, to be cut, of the glass substrate on the workbench;
a controller connected to the driving part and the distance sensor, respectively;
setting N detection points at uniform intervals along the track of the glass substrate cut by the cutter wheel, and setting the distance from the distance sensor to the first detection point during initial cutting as a reference distance D1Sequentially detecting the distances D between the second detection point and the Nth detection point and the distance sensor along with the cutting motion of the cutter wheelNSequentially transmitting the detected distance data to the controller, and enabling the controller to transmit the distance DNAnd the reference distance D1After the difference is made, the difference value is used as an adjusting signal and sent to the driving part, and the driving part controls the cutter wheel to adjust the cutting depth of the glass substrate along the vertical direction based on the adjusting signal;
and N is a positive integer greater than or equal to 2.
2. The glass scoring and cutting device according to claim 1,
the distance between two adjacent detection points is 30-100 mm.
3. The glass scoring and cutting device according to claim 2,
the distance between two adjacent detection points is 50 mm.
4. The glass-scoring cutting device according to claim 1 or 2,
a mounting rod is horizontally connected to a knife handle of the knife flywheel, and the mounting rod is positioned on one side of the movement direction of the knife flywheel when the knife flywheel cuts the glass substrate;
the distance sensor is arranged on the mounting rod, and the detection end of the distance sensor faces downwards.
5. The glass scoring and cutting device according to claim 4,
the distance sensors are arranged on the mounting rod at intervals, and the distance between every two adjacent detection points is equal to the distance between every two adjacent detection points;
wherein the distance D to be detected by the two distance sensors is respectivelyNAnd a distance DN+1Transmitting to the controller, the controller transmitting the distance D each timeNAnd the reference distance D1Making a difference and calculating the distance DN+1And the reference distance D1And after the difference is made, taking the average value of the two difference values as the adjusting signal.
6. The glass scoring and cutting device according to claim 1,
the driving part is a servo motor, a driving end of the servo motor is connected with a lead screw in the vertical direction, the cutter wheel is provided with a nut, the nut is connected with the lead screw, and the servo motor drives the nut through the lead screw to drive the cutter wheel to reciprocate in the vertical direction.
7. The glass scoring and cutting device according to claim 6,
the tool rest is provided with a sliding rail along the vertical direction, the cutter wheel is connected with a sliding block, and the sliding rail is connected with the sliding block in a sliding manner.
8. The glass scoring and cutting device according to claim 1,
the controller is a single chip microcomputer and is connected with a control system of the glass scribing and cutting device.
9. A glass cutting method for the glass scribing and cutting apparatus according to claims 1 to 8, comprising:
setting N detection points along the track of cutting the glass substrate by the cutter wheel;
the distance between the first detection point and the distance sensor is obtained at the initial cutting position and is used as a reference distance D1；
Sequentially detecting the distances D between the second detection point and the Nth detection point and the distance sensor along with the cutting of the glass substrate by the cutter wheelN；
The detected distance DNRespectively at a distance D from the reference1And performing difference to obtain a difference value, taking the difference value as an adjusting signal, and controlling the cutter wheel to adjust the cutting depth of the glass substrate along the vertical direction based on the adjusting signal.
10. The glass cutting method according to claim 9,
simultaneously obtaining said distance DNAnd a distance DN+1；
The distance D is measuredNAnd the reference distance D1Making a difference, and calculating the distance DN+1And the reference distance D1And taking the average value of the two difference values as the adjusting signal.
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| CN115818943A (en) * | 2022-10-24 | 2023-03-21 | 甘肃旭盛显示科技有限公司 | Glass cutting device |
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