CN116372670A - Screen body pre-alignment processing device and method - Google Patents
Screen body pre-alignment processing device and method Download PDFInfo
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- CN116372670A CN116372670A CN202310200708.0A CN202310200708A CN116372670A CN 116372670 A CN116372670 A CN 116372670A CN 202310200708 A CN202310200708 A CN 202310200708A CN 116372670 A CN116372670 A CN 116372670A
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Abstract
The invention provides a processing device for screen body pre-alignment, which comprises: the sliding carrier is arranged on one side of the cutting equipment in a sliding manner; the at least two vision cameras are fixedly arranged on one side of the cutting equipment, and the vision cameras and the sliding carrier are positioned on the same side of the cutting equipment; a processor in communication with the vision camera; and the motor is fixedly arranged on one side of the sliding carrier. The screen body pre-alignment processing device disclosed by the invention can improve the cutting precision of the screen body and the cutting efficiency.
Description
Technical Field
The invention relates to the technical field of mechanical alignment, in particular to a device and a method for processing screen body pre-alignment.
Background
Along with the continuous development of science and technology, traditional mechanical cutting equipment for cutting a screen body can not meet the prior technical requirements, so that automatic integrated cutting control equipment gradually becomes an indispensable part in industrial production, and can automatically receive the screen body conveyed out of a material producing area and carry out mobile treatment on the screen body so as to ensure that the screen body can be positioned in the cutting range of the automatic cutting equipment, however, the traditional automatic integrated cutting control equipment can cause larger mobile deviation on the position of the screen body when moving the screen body, so that the screen body can not accurately fall into the cutting range, the cutting equipment fails to cut the screen body, waste of screen body materials is caused, and the cutting efficiency of the screen body is reduced.
Disclosure of Invention
In view of the above-mentioned drawbacks of the prior art, an object of the present invention is to provide a processing device for pre-aligning a screen, which can improve the cutting accuracy and the cutting efficiency of the screen.
To achieve the above and other related objects, the present invention provides a processing device for pre-aligning a screen, the processing device comprising:
the sliding carrier is arranged on one side of the cutting equipment in a sliding manner and used for determining the position information of the pre-alignment center point;
the visual cameras are fixedly arranged on one side of the cutting equipment, the visual cameras and the sliding carrier are positioned on the same side of the cutting equipment, and the visual cameras are used for acquiring visual offset change information and mark point position information of a screen body on the sliding carrier;
the processor is in communication connection with the vision camera and is used for processing the vision deviation change information and the marking point position information to obtain the deviation radian information of the screen body, and sequentially performing vision marking processing, rotation error calibration processing, error and processing and restoring compensation processing on the marking point of the screen body according to the pre-alignment center point position information and the marking point position information to generate target compensation information of the marking point of the screen body; and
and the motor is fixedly arranged on one side of the sliding carrier and is used for carrying out pre-alignment treatment according to the offset radian information and the target compensation information so as to finish the pre-alignment treatment of the screen body.
In an embodiment of the present invention, the processing apparatus further includes:
the screen body carrier is arranged on one side of the sliding carrier and used for carrying the screen body and providing the visual offset change information and the mark point position information of the screen body for the visual camera.
In an embodiment of the invention, a plurality of the screen body carriers are disposed parallel to each other.
In an embodiment of the present invention, the vision camera and the screen carrier are located on the same horizontal line of the sliding carrier.
In an embodiment of the present invention, the motor is communicatively connected to the processor, and is configured to receive the offset radian information and the target compensation information sent by the processor.
The invention also provides a processing method for the pre-alignment of the screen body, which is characterized by comprising the following steps:
acquiring pre-alignment center point position information, visual offset change information of a screen body and mark point position information of the screen body;
performing offset radian calculation processing on the screen body according to the pre-alignment center point position information, the visual offset change information and the mark point position information to generate offset radian information of the screen body;
performing visual marking processing on the screen body marking points according to the pre-alignment center point position information and the marking point position information to generate visual marking point coordinate information;
performing rotation error calibration processing on the visual mark point coordinate information to generate mark point alignment deviation information;
performing error and processing on the screen body mark points according to the visual deviation change information to generate error and information of the screen body mark points;
restoring and compensating the screen body mark points according to the screen body mark point correcting deviation information and the error and information to generate target compensation information of the screen body mark points; and
and carrying out pre-alignment treatment on the screen body according to the offset radian information and the target compensation information so as to finish the pre-alignment treatment on the screen body.
In an embodiment of the present invention, the step of obtaining the pre-alignment center point position information, the visual offset change information of the screen body, and the mark point position information of the screen body includes:
performing calibration processing on the sliding carrier to determine the position of a pre-alignment center point;
placing a screen body on one side of a screen body carrying platform, wherein the sliding carrying platform drives the screen body carrying platform and the screen body to move to the position of the pre-alignment center point; and
the screen body carrier moves and/or rotates the screen body, and the vision camera scans and judges whether the screen body carrier meets photographing conditions or not;
if the screen body carrier meets photographing conditions, the vision camera performs photographing record processing on the positions of the sliding carrier, the screen body carrier and the screen body to generate the pre-alignment center point position information, the vision offset change information and the mark point position information;
if the screen carrier does not meet the photographing conditions, the vision camera gives up photographing, and repeats the scanning judgment until the screen carrier meets the photographing conditions and the photographing record is completed.
In an embodiment of the present invention, the marker position information of the screen includes marker position information of at least two markers.
In an embodiment of the present invention, the step of performing offset radian calculation processing on the screen body according to the pre-alignment center point position information, the visual offset change information and the mark point position information, and generating offset radian information of the screen body includes:
processing the visual deviation change information and the marking point position information of the screen body to generate initial center marking point position information of the screen body; and
and carrying out offset radian calculation processing on the screen body according to the initial center mark point position information to generate offset radian information of the screen body.
In an embodiment of the present invention, the rotation error calibration process is performed on the coordinate information of the visual marker point, and the generated correction deviation information of the marker point may satisfy the following formula:
dshiftX＝AlignMarkToCenter.X*cos(rad)-AlignMarkToCenter.Y*sin(rad)
dshiftY＝AlignMarkToCenter.X*sin(rad)+AlignMarkToCenter.Y*cos(rad)
ResultdshiftX＝dshiftX-AlignMarkToCenter.X
ResultdshiftY＝dshiftY-AlignMarkToCenter.Y
wherein dshiftX may be expressed as initial alignment deviation information in the X-axis direction when the mark point on the screen rotates one radian angle and returns to the calibration point coordinate position, dshiftX may be expressed as initial alignment deviation information in the Y-axis direction when the mark point on the screen rotates one radian angle and returns to the calibration point coordinate position, (AlignMarkToCenter.X2, alignMarkToCenter.Y2) may be expressed as second visual mark point coordinate information of the second mark point of the screen with respect to the coordinate origin (0, 0), resultshift X may be expressed as mark point alignment deviation information in the X-axis direction when the mark point on the screen rotates one radian angle and returns to the calibration point coordinate position, and resultshift Y may be expressed as mark point alignment deviation information in the Y-axis direction when the mark point on the screen rotates one radian angle and returns to the calibration point coordinate position.
As described above, the invention provides a processing device and a processing method for screen body pre-alignment, which can improve the cutting precision of a screen body and the cutting efficiency of the screen body by carrying out mechanical pre-alignment processing on the screen body.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a processing device for pre-aligning a screen body according to the present invention.
Fig. 2 is a schematic diagram of the marking of the panel of fig. 1 before pre-alignment.
Fig. 3 is a schematic diagram of a position mark of the screen body in fig. 2 after pre-alignment.
Fig. 4 is a flow chart of a screen pre-alignment processing method according to the present invention.
Fig. 5 is a schematic flow chart of step S10 in fig. 4.
Fig. 6 is a schematic flow chart of step S20 in fig. 4.
Description of element numbers:
110. sliding the carrier; 120. a screen carrier; 130. a vision camera; 140. a processor; 150. and a motor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but 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, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides a processing device for pre-alignment of a screen, which may include a sliding stage 110, a screen stage 120, a vision camera 130, a processor 140, and a motor 150. The sliding carrier 110 may be slidably disposed on one side of the cutting device through a sliding guide rail, where the sliding carrier 110 may slide on the guide rail to receive the screen body of the material producing area and move the screen body to a pre-alignment center point position, so as to determine the pre-alignment center point position. The sliding stage 110 may be provided with a plurality of parallel sliding rails for carrying the screen stage 120. The screen carrier 120 can be slidably arranged on the sliding carrier 110 through a sliding rail on the sliding carrier 110, the screen carrier 120 can be provided with a plurality of screen carriers, the plurality of screen carriers 120 can be arranged in parallel to each other for carrying the screen in parallel, and each screen carrier 120 can only carry one screen at most. The panel stage 120 may be moved along the slide stage 110 in the X-axis direction or may be moved along the slide stage 110 in the Y-axis direction, but the present invention is not limited thereto, and the panel stage 120 may be rotated on the slide stage 110. For example, two panel carriers 120 may be provided on the slide carrier 110, and the two panel carriers 120 may be disposed parallel to each other on parallel slide rails on the slide carrier 110. The two panel carriers 120 can slide in parallel along the slide carrier 110 and also can rotate.
Referring to fig. 1, 2 and 3, in an embodiment of the present invention, the vision camera 130 may be fixedly disposed on one side of the cutting device, and the vision camera 130 may be an industrial camera for improving photographing accuracy. The vision camera 130 is located on the same side of the cutting device as the slide carrier 110. The plurality of vision cameras 130 may be provided, and the position of each vision camera 130 is located on the same horizontal line with the sliding rail on the sliding carrier 110, so as to record photographing of the screen carrier 120 and the screen on the sliding carrier 110, so as to obtain the vision deviation change information of the screen on the screen carrier 120 and the position information of the mark point on the screen. Wherein, can be equipped with three mark points at least on the screen body. For example, two sliding rails may be parallel arranged on the sliding carrier 110, and two vision cameras 130 are correspondingly arranged on the cutting device on the straight line where the two parallel sliding rails are located, where the vision cameras 130 are used for respectively photographing and recording the position information of the screen carrier 120 and the screen on each sliding rail.
Referring to fig. 1, 2 and 3, in one embodiment of the present invention, the processor 140 may be disposed on one side of the cutting device, and the processor 140 may be communicatively connected to the vision camera 130, for receiving the vision offset change information and the marker position information acquired by the vision camera 130, and processing the vision offset change information and the marker position information to obtain the offset radian information of the screen. However, the processor 140 may also sequentially perform the visual marking process, the rotational error calibration process, the error and process, and the restoring compensation process on the marking points on the screen according to the pre-alignment center point position information and the marking point position information, so as to obtain the target compensation information of the marking points on the screen. The processor 140 may be a graphics processor, but is not limited thereto, and the processor 140 may be other types of processors. As long as the visual deviation change information and the marker point position information output from the visual camera 130 can be digitally processed. The motor 150 may be fixedly disposed on one side of the sliding carrier 110, the motor 150 may be a UMAC servo motor, and the motor 150 may be in communication connection with the processor 140, for receiving the screen offset radian information and the target compensation information of the processor 140 and driving the screen carrier 120 to perform pre-alignment processing on the screen, so as to complete mechanical pre-alignment on the screen.
Referring to fig. 4, the present invention provides a method for processing pre-alignment of a screen, which can be applied to a device for processing pre-alignment of a screen, and the method for processing pre-alignment of a screen may include the following steps:
and S10, acquiring pre-alignment center point position information, visual offset change information of the screen body and mark point position information of the screen body.
And S20, performing offset radian calculation processing on the screen body according to the pre-alignment center point position information, the visual offset change information and the mark point position information to generate offset radian information of the screen body.
And S30, performing visual marking processing on the screen body marking points according to the pre-alignment center point position information and the marking point position information to generate visual marking point coordinate information.
And S40, performing rotation error calibration processing on the coordinate information of the visual marker point to generate marker point alignment deviation information.
And S50, performing error and processing on the screen body mark points according to the visual deviation change information to generate the error and information of the screen body mark points.
And S60, carrying out restoring compensation processing on the screen body mark points according to the screen body mark point correcting deviation information, the error and the information, and generating target compensation information of the screen body mark points.
And step S70, performing pre-alignment treatment on the screen body according to the offset radian information and the target compensation information so as to complete mechanical pre-alignment of the screen body.
Referring to fig. 1, 2, 3, 4 and 5, in one embodiment of the present invention, when step S10 is performed, pre-alignment center point position information, visual offset variation information of the screen, and mark point position information of the screen are obtained. Specifically, step S10 may include steps S11 to S13, which are described in detail below:
and S11, performing calibration processing on the sliding carrier to determine the position of the pre-alignment center point.
And S12, placing the screen on one side of a screen carrier, and driving the screen carrier and the screen to move to a pre-alignment center point by the sliding carrier.
Step S13, the screen body is moved and/or rotated by the screen body carrier, whether the screen body carrier meets the photographing conditions or not is judged by the visual camera, if the screen body carrier meets the photographing conditions, the positions of the sliding carrier, the screen body carrier and the screen body are photographed by the visual camera, the pre-alignment center point position information, the visual offset change information and the mark point position information are generated by performing photographing record processing, if the screen body carrier does not meet the photographing conditions, the visual camera gives up photographing, and the scanning judgment is repeated until the screen body carrier meets the photographing conditions, and photographing record is completed.
In an embodiment of the present invention, when step S11 is performed, calibration processing is performed on the sliding stage, to determine the pre-alignment center point position. Specifically, the pre-alignment center point coordinate may be (VisionCenterPosX, visionCenterPosY), and the sliding carrier 110 may be slidably disposed on one side of the cutting device through a sliding guide rail, where the sliding carrier 110 may slide on the guide rail to receive the screen body of the material producing area and move the screen body to the pre-alignment center point position, so as to determine the pre-alignment center point position. The sliding stage 110 may be provided with a plurality of parallel sliding rails for carrying the screen stage 120.
In an embodiment of the present invention, when step S12 is performed, the screen is placed on one side of the screen carrier, and the sliding carrier drives the screen carrier and the screen to move to the pre-alignment center point. Specifically, the screen carrier 120 may be slidably disposed on the sliding carrier 110 through a sliding rail on the sliding carrier 110, the screen carrier 120 may be provided with a plurality of screen carriers 120, and the plurality of screen carriers 120 may be disposed parallel to each other for carrying the screen in parallel, and each screen carrier 120 may only carry one screen at most. The panel stage 120 may be moved along the slide stage 110 in the X-axis direction or may be moved along the slide stage 110 in the Y-axis direction, but the present invention is not limited thereto, and the panel stage 120 may be rotated on the slide stage 110. For example, two panel carriers 120 may be provided on the slide carrier 110, and the two panel carriers 120 may be disposed parallel to each other on parallel slide rails on the slide carrier 110. The two panel carriers 120 can slide in parallel along the slide carrier 110 and also can rotate.
In an embodiment of the present invention, when step S13 is executed, that is, the screen body stage moves and/or rotates the screen body, the vision camera scans and determines whether the screen body stage meets the photographing condition, and if the screen body stage meets the photographing condition, the vision camera photographs and records the positions of the sliding stage, the screen body stage and the screen body, so as to generate pre-alignment center point position information, vision offset change information and mark point position information. If the screen carrier does not meet the photographing conditions, the vision camera gives up photographing, and repeats the scanning judgment until the screen carrier meets the photographing conditions, and the photographing record is completed. Specifically, the vision camera 130 may be fixedly disposed on one side of the cutting device, and the vision camera 130 may be an industrial camera for improving photographing accuracy. The vision camera 130 is located on the same side of the cutting device as the slide carrier 110. The plurality of vision cameras 130 may be provided, and the position of each vision camera 130 is located on the same line with the sliding rail on the sliding carrier 110, so as to record photographing of the screen carrier 120 and the screen on the sliding carrier 110, so as to obtain the vision deviation variation information of the screen on the screen carrier 120 and the position information of the mark point on the screen. When the vision camera 130 detects that the screen carrier 120 carries the screen, it can determine that the screen carrier 120 meets the photographing condition, and perform photographing recording processing on the screen. When the vision camera 130 detects that the screen is not loaded on the screen carrier 120, the vision camera 130 gives up the photographing record and performs repeated scanning judgment on the screen carrier 120 until the screen carrier 120 is judged to be loaded with the screen.
Referring to fig. 1, 2, 3, 4, 5 and 6, in one embodiment of the present invention, when step S20 is performed, the offset radian calculation process is performed on the screen body according to the pre-alignment center point position information, the visual offset change information and the mark point position information, so as to generate the offset radian information of the screen body.
Specifically, step S20 may include steps S21 to S22, which are described in detail below:
and S21, processing the visual deviation change information and the mark point position information of the screen body to generate initial center mark point position information of the screen body.
And S22, performing offset radian calculation processing on the screen body according to the initial center mark point position information to generate offset radian information of the screen body.
In one embodiment of the present invention, when step S21 is performed, the visual offset change information and the marker position information of the screen are processed to generate initial center marker position information of the screen. Specifically, the visual offset change information may be obtained by performing photographing recording processing on the mark points on the screen body by using the visual camera 130, where the visual camera 130 may be provided with a plurality of visual cameras, and the position of each visual camera 130 is located on the same horizontal line with the slide rail on the sliding carrier 110, so as to perform photographing recording on the screen body carrier 120 and the screen body on the sliding carrier 110, so as to obtain the visual offset change information of the screen body on the screen body carrier 120 and the mark point position information of the mark points on the screen body. Wherein, can be equipped with three mark points at least on the screen body. For example, two sliding rails may be parallel arranged on the sliding carrier 110, and two vision cameras 130 are correspondingly arranged on the cutting device on the straight line where the two parallel sliding rails are located, where the vision cameras 130 are used for respectively photographing and recording the position information of the screen carrier 120 and the screen on each sliding rail. The processor 140 may be disposed on one side of the cutting device, and the processor 140 may be in communication with the vision camera 130, and configured to receive the vision offset change information and the marker position information acquired by the vision camera 130, and process the vision offset change information and the marker position information to obtain the offset radian information of the screen body. However, the processor 140 may also sequentially perform the visual marking process, the rotational error calibration process, the error and process, and the restoring compensation process on the marking points on the screen according to the pre-alignment center point position information and the marking point position information, so as to obtain the target compensation information of the marking points on the screen. The processor 140 may be a graphics processor, but is not limited thereto, and the processor 140 may be other types of processors. As long as the visual deviation change information and the marker point position information output from the visual camera 130 can be digitally processed. The following formulas are satisfied by processing the visual offset change information and the mark point position information of the screen body:
X＝pt1.x+dx-pt2.x
Y＝pt1.y+dy-pt2.y
wherein, X may be abscissa position information of the initial center mark point on the coordinate axis, Y may be ordinate position information of the initial center mark point on the coordinate axis, (pt 1.X, pt1. Y) may be mark point position information of the first mark point of the screen body, (pt 2.X, pt2. Y) may be mark point position information of the second mark point of the screen body, dx may be visual offset change information of the abscissa of the screen body relative to the standard position, and dy may be visual offset change information of the ordinate of the screen body relative to the standard position.
In an embodiment of the present invention, when step S22 is performed, the offset radian calculation process is performed on the screen according to the initial center mark point position information, so as to generate the offset radian information of the screen. Specifically, the offset radian calculation process satisfies the following formula:
Q＝atan2(X,Y)*180/Π
wherein, X may be the abscissa position information of the initial center mark point on the coordinate axis, Y may be the ordinate position information of the initial center mark point on the coordinate axis, and Q may be the offset radian information of the screen body.
In one embodiment of the present invention, when step S30 is performed, that is, visual marking is performed on the screen body marking points according to the pre-alignment center point position information and the marking point position information, the visual marking point coordinate information is generated. Specifically, the visual marking process may satisfy the following formula:
AlignMarkToCenter.X2＝pt2.X+dx-Vision.X
AlignMarkToCenter.Y2＝pt2.Y+dy-Vision.Y
wherein, (AlignMarkToCenter.X2, alignMarkToCenter.Y2) may be expressed as second visual marker point coordinate information of the second marker point of the screen with respect to the origin of coordinates (0, 0), and (pt 2.X, pt2. Y) may be expressed as marker point position information of the second marker point of the screen, dx may be expressed as visual offset change information of the screen with respect to the abscissa of the standard position, dy may be expressed as visual offset change information of the screen with respect to the ordinate of the standard position, and (Vision.X, vision.Y) may be expressed as origin of coordinates (0, 0).
In one embodiment of the present invention, when step S40 is performed, rotation error calibration processing is performed on the visual marker point coordinate information, and marker point alignment deviation information is generated. Specifically, the rotation error calibration process may satisfy the following formula:
dshiftX＝AlignMarkToCenter.X2*cos(rad)-AlignMarkToCenter.Y2*sin(rad)
dshiftY＝AlignMarkToCenter.X2*sin(rad)+AlignMarkToCenter.Y2*cos(rad)
ResultdshiftX＝dshiftX-AlignMarkToCenter.X2
ResultdshiftY＝dshiftY-AlignMarkToCenter.Y2
wherein dshiftX may be expressed as initial alignment deviation information in the X-axis direction when the mark point on the screen rotates one radian angle and returns to the calibration point coordinate position, dshiftX may be expressed as initial alignment deviation information in the Y-axis direction when the mark point on the screen rotates one radian angle and returns to the calibration point coordinate position, (AlignMarkToCenter.X2, alignMarkToCenter.Y2) may be expressed as second visual mark point coordinate information of the second mark point of the screen with respect to the coordinate origin (0, 0), resultshift X may be expressed as mark point alignment deviation information in the X-axis direction when the mark point on the screen rotates one radian angle and returns to the calibration point coordinate position, and resultshift Y may be expressed as mark point alignment deviation information in the Y-axis direction when the mark point on the screen rotates one radian angle and returns to the calibration point coordinate position.
In one embodiment of the present invention, when step S50 is performed, that is, the error and the information of the screen marking point are generated by performing the error and the processing on the screen marking point according to the visual deviation change information. Specifically, the errors and processing may satisfy the following formula:
PtResultX＝dCell1PreAlignOffsetU-dX
PRtResultY＝dCell1PreAlignOffsetV-dY
wherein PtResultX is error and information of an abscissa of a screen marking point acquired by a visual camera, PRtREsulttY is error and information of an ordinate of a screen marking point acquired by the visual camera, dCELL1prealignOffsetU is mechanical error compensation information of an abscissa of a screen, dCELL1prealignOffsetV is mechanical error compensation information of an ordinate of a screen, dx can be expressed as visual offset change information of an abscissa of a screen relative to a standard position, and dy can be expressed as visual offset change information of an ordinate of a screen relative to the standard position.
In one embodiment of the present invention, when step S60 is performed, that is, the screen marking point is subjected to a restoration compensation process according to the screen marking point correction deviation information and the error and information, the target compensation information of the screen marking point is generated. Specifically, the restoration compensation process may satisfy the following formula:
PtResultXFinal＝PtResultX–ResultdshiftX
PtResultYFinal＝RtResultY+ResultdshiftY
PtResultXFinal is target compensation information of a screen marking point on an X coordinate axis, ptResultYFinal is target compensation information of a screen marking point on a Y coordinate axis, ptResultX is error and information of an abscissa of the screen marking point collected by a vision camera, PRtResultY is error and information of an ordinate of the screen marking point collected by the vision camera, resultdshiftx can be expressed as marking point correction deviation information in an X axis direction when the marking point on the screen rotates by one radian angle and returns to a calibration point coordinate position, and Resultdshifty can be expressed as marking point correction deviation information in a Y axis direction when the marking point on the screen rotates by one radian angle and returns to the calibration point coordinate position.
In one embodiment of the present invention, when step S70 is performed, the screen is pre-aligned according to the offset radian information and the target compensation information, so as to complete mechanical pre-alignment of the screen. Specifically, the motor 150 may be fixedly disposed on one side of the sliding carrier 110, the motor 150 may be a UMAC servo motor, and the motor 150 may be in communication with the processor 140, for receiving the screen offset radian information and the target compensation information of the processor 140 and driving the screen carrier 120 to perform pre-alignment processing on the screen, so as to complete mechanical pre-alignment on the screen.
In summary, according to the device and the method for processing the screen body pre-alignment provided by the invention, the sliding carrier is arranged to determine the position information of the pre-alignment center point, the visual camera is used for obtaining the visual deviation change information and the position information of the mark point of the screen body, the processor is used for processing the visual deviation change information and the position information of the mark point to obtain the deviation radian information of the screen body, and the screen body mark point is sequentially subjected to visual marking, rotation error calibration, error and processing and reduction compensation according to the position information of the pre-alignment center point and the position information of the mark point to generate the target compensation information of the screen body mark point; and the motor performs pre-alignment processing according to the offset radian information and the target compensation information so as to complete the pre-alignment processing of the screen body, thereby improving the cutting precision of the screen body and the cutting efficiency.
In the description of the present specification, the descriptions of the terms "present embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The embodiments of the invention disclosed above are intended only to help illustrate the invention. The examples are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (10)
1. A processing device for screen pre-alignment, the processing device comprising:
the sliding carrier is arranged on one side of the cutting equipment in a sliding manner and used for determining the position information of the pre-alignment center point;
the visual cameras are fixedly arranged on one side of the cutting equipment, the visual cameras and the sliding carrier are positioned on the same side of the cutting equipment, and the visual cameras are used for acquiring visual offset change information and mark point position information of a screen body on the sliding carrier;
the processor is in communication connection with the vision camera and is used for processing the vision deviation change information and the marking point position information to obtain the deviation radian information of the screen body, and sequentially performing vision marking processing, rotation error calibration processing, error and processing and restoring compensation processing on the marking point of the screen body according to the pre-alignment center point position information and the marking point position information to generate target compensation information of the marking point of the screen body; and
and the motor is fixedly arranged on one side of the sliding carrier and is used for carrying out pre-alignment treatment according to the offset radian information and the target compensation information so as to finish the pre-alignment treatment of the screen body.
2. The device for processing pre-alignment of a screen according to claim 1, further comprising:
the screen body carrier is arranged on one side of the sliding carrier and used for carrying the screen body and providing the visual offset change information and the mark point position information of the screen body for the visual camera.
3. The device for pre-aligning a screen according to claim 2, wherein a plurality of the screen carriers are disposed parallel to each other.
4. The device of claim 1, wherein the vision camera and the screen stage are positioned on a same horizontal line of the slide stage.
5. The device for processing pre-alignment of a screen according to claim 1, wherein the motor is communicatively connected to the processor and configured to receive the offset radian information and the target compensation information sent by the processor.
6. The screen body pre-alignment processing method is characterized by comprising the following steps of:
acquiring pre-alignment center point position information, visual offset change information of a screen body and mark point position information of the screen body;
performing offset radian calculation processing on the screen body according to the pre-alignment center point position information, the visual offset change information and the mark point position information to generate offset radian information of the screen body;
performing visual marking processing on the screen body marking points according to the pre-alignment center point position information and the marking point position information to generate visual marking point coordinate information;
performing rotation error calibration processing on the visual mark point coordinate information to generate mark point alignment deviation information;
performing error and processing on the screen body mark points according to the visual deviation change information to generate error and information of the screen body mark points;
restoring and compensating the screen body mark points according to the screen body mark point correcting deviation information and the error and information to generate target compensation information of the screen body mark points; and
and carrying out pre-alignment treatment on the screen body according to the offset radian information and the target compensation information so as to finish the pre-alignment treatment on the screen body.
7. The method for processing a pre-alignment of a screen according to claim 6, wherein the step of obtaining the pre-alignment center point position information, the visual offset change information of the screen, and the mark point position information of the screen comprises:
performing calibration processing on the sliding carrier to determine the position of a pre-alignment center point;
placing a screen body on one side of a screen body carrying platform, wherein the sliding carrying platform drives the screen body carrying platform and the screen body to move to the position of the pre-alignment center point; and
the screen body carrier moves and/or rotates the screen body, and the vision camera scans and judges whether the screen body carrier meets photographing conditions or not;
if the screen body carrier meets photographing conditions, the vision camera performs photographing record processing on the positions of the sliding carrier, the screen body carrier and the screen body to generate the pre-alignment center point position information, the vision offset change information and the mark point position information;
if the screen carrier does not meet the photographing conditions, the vision camera gives up photographing, and repeats the scanning judgment until the screen carrier meets the photographing conditions and the photographing record is completed.
8. The method for processing a pre-alignment of a panel according to claim 6, wherein the mark point position information of the panel includes mark point position information of at least two mark points.
9. The method for processing a pre-alignment of a screen according to claim 6, wherein the step of performing an offset radian calculation process on the screen according to the pre-alignment center point position information, the visual offset change information, and the mark point position information, and generating the offset radian information of the screen includes:
processing the visual deviation change information and the marking point position information of the screen body to generate initial center marking point position information of the screen body; and
and carrying out offset radian calculation processing on the screen body according to the initial center mark point position information to generate offset radian information of the screen body.
10. The method for pre-alignment of a screen according to claim 6, wherein the rotation error calibration processing is performed on the coordinate information of the visual marker, and the generated correction deviation information of the marker can satisfy the following formula:
dshiftX＝AlignMarkToCenter.X*cos(rad)-AlignMarkToCenter.Y*sin(rad)
dshiftY＝AlignMarkToCenter.X*sin(rad)+AlignMarkToCenter.Y*cos(rad)
ResultdshiftX＝dshiftX-AlignMarkToCenter.X
ResultdshiftY＝dshiftY-AlignMarkToCenter.Y
wherein dshiftX may be expressed as initial alignment deviation information in the X-axis direction when the mark point on the screen rotates one radian angle and returns to the calibration point coordinate position, dshiftX may be expressed as initial alignment deviation information in the Y-axis direction when the mark point on the screen rotates one radian angle and returns to the calibration point coordinate position, (AlignMarkToCenter.X2, alignMarkToCenter.Y2) may be expressed as second visual mark point coordinate information of the second mark point of the screen with respect to the coordinate origin (0, 0), resultshift X may be expressed as mark point alignment deviation information in the X-axis direction when the mark point on the screen rotates one radian angle and returns to the calibration point coordinate position, and resultshift Y may be expressed as mark point alignment deviation information in the Y-axis direction when the mark point on the screen rotates one radian angle and returns to the calibration point coordinate position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310200708.0A CN116372670A (en) | 2023-03-06 | 2023-03-06 | Screen body pre-alignment processing device and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310200708.0A CN116372670A (en) | 2023-03-06 | 2023-03-06 | Screen body pre-alignment processing device and method |
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| CN116372670A true CN116372670A (en) | 2023-07-04 |
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