CN109129667B - Method for calibrating cutter for weakening automobile slush molding skin - Google Patents
Method for calibrating cutter for weakening automobile slush molding skin Download PDFInfo
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- CN109129667B CN109129667B CN201810787297.9A CN201810787297A CN109129667B CN 109129667 B CN109129667 B CN 109129667B CN 201810787297 A CN201810787297 A CN 201810787297A CN 109129667 B CN109129667 B CN 109129667B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2628—Means for adjusting the position of the cutting member
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Abstract
The invention relates to a method for calibrating a cutter for weakening an automobile slush molding skin, wherein the cutter is arranged on a cutter seat and is driven by a motor arranged on the cutter seat to rotate, the side end of the cutter seat is connected with a driving seat, a detecting head is arranged beside the driving seat, the driving seat and the detecting head are driven by the same driving mechanism to realize reciprocating movement in three axial directions of an X axis, a Y axis and a Z axis, a photographing area is also arranged beside the initial position of the driving seat, a camera and a computer connected with the camera are arranged in the photographing area, a reference head is also arranged at the lower end of the driving seat, and the cutter calibration method realizes automatic calibration and adjustment of the cutter through the steps of debugging and positioning the position before starting and the position contrast and adjustment after starting and the coordination of the photographing area and the reference head. The invention has the advantages that: the automatic adjustment of the cutter is realized by adding a camera area and matching two steps of position debugging and positioning before starting and position contrast and adjustment after starting.
Description
Technical Field
The invention relates to the field of automobile part processing, in particular to a method for calibrating a cutter for weakening an automobile slush molding skin.
Background
In the face of increasingly competitive automobile markets and automobile users with higher and higher requirements for product quality, various large automobile manufacturers are increasingly concerned about manufacturing process technology of related parts, and automobile interior trim molding processes are concerned. The automobile instrument panel and the door trim panel are important components of automobile interior trim, and are concrete embodiments of new technology and new technology development of automobile interior trim products.
At present, in the process of processing automobile parts, for example, parts such as instrument panel skins need to be weakened by using a cutter in the process of processing the skins or cloth, in the process, the cutter often needs to reciprocate in the direction of X, Y, Z three axes for a long time, a plurality of transmission parts are needed, deviation is easy to occur for a long time, and the deviation is easy to occur due to the influence of cutting force, so that the moving stroke of the cutter after being used for a period of time is easy to deviate, and thus, the cut products are not qualified and scrapped; in addition, after the cutter is used for a long time, the cutter head is abraded for a certain time due to excessive use times, so that the cutter length is shortened, and if the cutter still moves according to the original action track, the cutter cannot accurately weaken the epidermis, and the cutting depth of the epidermis is too shallow or the epidermis is not cut. It is therefore desirable to develop a method that can calibrate an automatic tool prior to cutting.
Disclosure of Invention
The invention aims to provide a tool calibration method for weakening an automobile slush molding skin, which can automatically calibrate a tool and has high calibration precision.
In order to solve the technical problems, the technical scheme of the invention is as follows: the utility model provides a car slush molding epidermis weakening is with cutter calibration method, the cutter is installed on a cutter block to be located the bottom of cutter block, and is driven by the motor of installing on the cutter block and rotate, a drive seat is connected to the side of cutter block, still is provided with a detecting head at the side of drive seat, drive seat and detecting head are realized realizing at the three axial up-and-down motion of X axle, Y axle and Z axle by same actuating mechanism drive, and its innovation point lies in: the method comprises the steps of adjusting the position of the driving seat before starting up, adjusting the position after starting up, and automatically calibrating and adjusting the cutter by matching the camera area and the reference head.
Further, the debugging and positioning of the position before the power-on comprises
a) Positioning of a reference head: firstly, a reference head moves to a photographing area under the driving of a driving mechanism, the position and the contour line of the reference head are obtained through a camera and then fed back to a computer, and the reference contour line of the reference head is calibrated;
b) positioning the cutter position: then, the cutter moves to the same track to a photographing area under the driving of the driving mechanism, the position and the contour line of the cutter are obtained through a camera and then fed back to a computer, and the reference contour line of the cutter is calibrated;
c) positioning the position of the probe: finally, the detecting head moves to the same track to a photographic area under the drive of the drive mechanism, the position and the contour line of the detecting head are obtained through a camera and then fed back to a computer, and the reference contour line of the detecting head is calibrated;
the post-boot position contrast adjustment comprises
1) And (3) detecting the actual position of the reference head: after starting up, the reference head moves to the same track to a photographing area under the driving of the driving mechanism, the position and the contour line of the reference head at the moment are obtained through the camera and then fed back to the computer, and the actual contour line of the reference head is calibrated;
2) and (3) reference head position comparison: comparing the obtained actual contour line with the reference contour line of the reference head by the computer to obtain the plane difference coordinate (X)1，Z1) Or (Y)1，Z1）；
3) Setting the first compensation amount of the driving mechanism in the X, Z or Y, Z axis direction as [ △ X ] according to the plane difference coordinate obtained in the step 21，△Z1Or [ △ Y1，△Z1And since then, the drive mechanism adds the amount of compensation as it moves;
4) detecting the actual position of the cutter: then, the cutter moves to the same track to a photographing area under the driving of the driving mechanism, the position and the contour line of the cutter at the moment are obtained through a camera and then fed back to a computer, and the actual contour line of the cutter is calibrated;
5) and (3) comparing the positions of the cutters: comparing the obtained actual contour line with the reference contour line to obtain plane difference coordinate2，Z2) Or (Y)2，Z2）；
6) Secondary adjustment of the driving mechanism, namely setting the secondary compensation quantity of the driving mechanism in the X, Z or Y, Z axis direction as [ △ X ] according to the plane difference coordinate obtained in the step 52，△Z2Or [ △ Y2，△Z2And from then on,the compensation amount is added when the driving mechanism moves;
7) detecting the actual position of the detecting head: finally, the detecting head moves to the same track to a photographic area under the drive of the drive mechanism, the position and the contour line of the detecting head at the moment are obtained through a camera and then fed back to the computer, and the actual contour line of the detecting head is calibrated;
8) and (3) probe position comparison: comparing the obtained actual contour line of the probe with the reference contour line of the probe by the computer to obtain the plane difference coordinate (X)3，Z3) Or (Y)3，Z3）；
9) Three times of adjustment of the driving mechanism, namely setting the third compensation quantity of the driving mechanism in the X, Z or Y, Z axis direction as [ △ X ] according to the plane difference coordinate obtained in the step 83，△Z3Or [ △ Y3，△Z3And since then, the drive mechanism adds the amount of compensation as it moves;
after the position detection of the reference head, the cutter and the detecting head is completed and the three-time compensation adjustment of the driving mechanism is realized, the cutter starts to work normally to cut the weakening line.
Further, in steps 7-9, the detection of the position of the detector head, the comparison and the three adjustments of the drive mechanism are used periodically without the need to detect the detector head each time the device is powered on.
The invention has the advantages that: the calibration method of the invention realizes the automatic adjustment of the cutter by adding a camera area and matching two steps of position debugging and positioning before starting and position contrast and adjustment after starting.
During calibration, the reference head, the cutter and the detecting head are subjected to detection and comparison of positions and reference positions, and the driving mechanism is subjected to compensation adjustment for three times according to the obtained plane difference value, so that the accuracy of cutter position calibration is ensured; and even if the cutter is worn and shortened, the driving formation of the driving mechanism can be adjusted according to the change of the position of the cutter head, so that the accuracy of the cutter and the weakening line is ensured.
Detailed Description
The following examples are presented to enable one of ordinary skill in the art to more fully understand the present invention and are not intended to limit the scope of the embodiments described herein.
The cutter is arranged on a cutter seat, positioned at the bottom end of the cutter seat and driven by a motor arranged on the cutter seat to rotate, the side end of the cutter seat is connected with a driving seat, a detecting head is also arranged beside the driving seat, the driving seat and the detecting head are driven by the same driving mechanism to realize reciprocating movement in the three-axis directions of an X axis, a Y axis and a Z axis, a photographing area is also arranged beside the initial position of the driving seat, a camera and a computer connected with the camera are arranged in the photographing area, and a reference head is also arranged at the lower end of the driving seat.
The invention relates to a method for calibrating a cutter for weakening an automobile slush molding skin, which is specifically realized by the following steps:
position debugging and positioning before starting up, including
Step one, positioning the position of a reference head: firstly, the reference head moves to a photographing area under the driving of the driving mechanism, the position and the contour line of the reference head are obtained through the camera and then fed back to the computer, and the reference contour line of the reference head is calibrated.
Secondly, positioning the cutter position: then, the cutter moves to the same track to a photographic area under the drive of the drive mechanism, the position and the contour line of the cutter are obtained through a camera and then fed back to a computer, and the reference contour line of the cutter is calibrated.
Thirdly, positioning the probe: and finally, the detecting head moves to the photographic area along the same track under the drive of the drive mechanism, and the position and the contour line of the detecting head are obtained by the camera and then fed back to the computer to calibrate the reference contour line of the detecting head.
Post-boot position contrast adjustment, including
Step one, detecting the actual position of a reference head: after the machine is started, the reference head moves to the position of a photographing area along the same track under the driving of the driving mechanism, the position and the contour line of the reference head are obtained through the camera and then fed back to the computer, and the actual contour line of the reference head is calibrated.
Step two, comparing the positions of the reference heads: comparing the obtained actual contour line with the reference contour line of the reference head by the computer to obtain the plane difference coordinate (X)1，Z1) Or (Y)1，Z1）。
Thirdly, adjusting the driving mechanism for the first time, namely setting the first compensation quantity of the driving mechanism in the X, Z or Y, Z axis direction as [ △ X ] according to the plane difference value coordinate obtained in the second step1，△Z1Or [ △ Y1，△Z1And since then the drive mechanism adds this amount of compensation as it moves.
Fourthly, detecting the actual position of the cutter: then, the cutter moves to the same track to the position of the photographing area under the driving of the driving mechanism, the position and the contour line of the cutter at the moment are obtained through the camera and then fed back to the computer, and the actual contour line of the cutter is calibrated.
Fifthly, comparing the positions of the cutters: comparing the obtained actual contour line with the reference contour line to obtain plane difference coordinate2，Z2) Or (Y)2，Z2）。
Sixthly, adjusting the driving mechanism for the second time, namely setting the second compensation quantity of the driving mechanism in the X, Z or Y and Z axis directions as [ △ X ] according to the plane difference coordinate obtained in the fifth step2，△Z2Or [ △ Y2，△Z2And since then the drive mechanism adds this amount of compensation as it moves.
Seventhly, detecting the actual position of the detecting head: and finally, the detecting head moves to the photographic area along the same track under the drive of the drive mechanism, the position and the contour line of the detecting head at the moment are obtained by the camera and then fed back to the computer, and the actual contour line of the detecting head is calibrated.
Eighth step, comparing the positions of the detecting heads: comparing the obtained actual contour line of the probe with the reference contour line of the probe by the computer to obtain the plane difference coordinate (X)3，Z3) Or (Y)3，Z3）。
And step nine, adjusting the driving mechanism for three times, namely setting the third compensation quantity of the driving mechanism in the X, Z or Y, Z axis direction as [ △ X ] according to the plane difference coordinate obtained in the step eight3，△Z3Or [ △ Y3，△Z3And since then the drive mechanism adds this amount of compensation as it moves.
In the seventh step to the ninth step, the detection, the comparison and the three-time adjustment of the driving mechanism of the position of the detecting head are used regularly, and the detecting head does not need to be detected every time the machine is started.
After the position detection of the reference head, the cutter and the detecting head is completed and the three-time compensation adjustment of the driving mechanism is realized, the cutter starts to work normally to cut the weakening line.
The calibration method of the invention realizes the automatic adjustment of the cutter by adding a camera area and matching two steps of position debugging and positioning before starting and position contrast and adjustment after starting.
During calibration, the actual position and the reference position of the reference head, the cutter and the detecting head are detected and compared, and the driving mechanism is compensated and adjusted for three times according to the obtained plane difference value, so that the accuracy of cutter position calibration is ensured; and even if the cutter is worn and shortened, the driving formation of the driving mechanism can be adjusted according to the change of the position of the cutter head, so that the accuracy of the cutter and the weakening line is ensured.
It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (2)
1. The utility model provides a car slush molding epidermis weakening is with cutter calibration method, the cutter is installed on a cutter block to be located the bottom of cutter block, and rotate by the motor drive of installing on the cutter block, a drive seat is connected to the side of cutter block, still is provided with a detecting head at the side of drive seat, drive seat and detecting head are realized realizing at the up-and-down motion of the triaxial direction of X axle, Y axle and Z axle by same actuating mechanism drive, its characterized in that: the side of the initial position of the driving seat is also provided with a photographic area, the photographic area is internally provided with a camera and a computer connected with the camera, the lower end of the driving seat is also provided with a reference head, and the cutter calibration method realizes automatic calibration and adjustment of the cutter by the steps of position debugging and positioning before starting and position contrast adjustment after starting and the cooperation of the photographic area and the reference head;
the debugging and positioning of the position before the boot-up comprises
a) Positioning of a reference head: firstly, a reference head moves to a photographing area under the driving of a driving mechanism, the position and the contour line of the reference head are obtained through a camera and then fed back to a computer, and the reference contour line of the reference head is calibrated;
b) positioning the cutter position: then, the cutter moves to the same track to a photographing area under the driving of the driving mechanism, the position and the contour line of the cutter are obtained through a camera and then fed back to a computer, and the reference contour line of the cutter is calibrated;
c) positioning the position of the probe: finally, the detecting head moves to the same track to a photographic area under the drive of the drive mechanism, the position and the contour line of the detecting head are obtained through a camera and then fed back to a computer, and the reference contour line of the detecting head is calibrated;
the post-boot position comparison adjustment includes
1) And (3) detecting the actual position of the reference head: after starting up, the reference head moves to the same track to a photographing area under the driving of the driving mechanism, the position and the contour line of the reference head at the moment are obtained through the camera and then fed back to the computer, and the actual contour line of the reference head is calibrated;
2) and (3) reference head position comparison: comparing the obtained actual contour line with the reference contour line of the reference head by the computer to obtain the plane difference coordinate (X)1，Z1) Or (Y)1，Z1）；
3）Setting the first compensation amount of the driving mechanism in the X, Z or Y, Z axis direction as [ △ X ] according to the plane difference coordinate obtained in the step 21，△Z1Or [ △ Y1，△Z1And since then, the drive mechanism adds the amount of compensation as it moves;
4) detecting the actual position of the cutter: then, the cutter moves to the same track to a photographing area under the driving of the driving mechanism, the position and the contour line of the cutter at the moment are obtained through a camera and then fed back to a computer, and the actual contour line of the cutter is calibrated;
5) and (3) comparing the positions of the cutters: comparing the obtained actual contour line with the reference contour line to obtain plane difference coordinate2，Z2) Or (Y)2，Z2）；
6) Secondary adjustment of the driving mechanism, namely setting the secondary compensation quantity of the driving mechanism in the X, Z or Y, Z axis direction as [ △ X ] according to the plane difference coordinate obtained in the step 52，△Z2Or [ △ Y2，△Z2And since then, the drive mechanism adds the amount of compensation as it moves;
7) detecting the actual position of the detecting head: finally, the detecting head moves to the same track to a photographic area under the drive of the drive mechanism, the position and the contour line of the detecting head at the moment are obtained through a camera and then fed back to the computer, and the actual contour line of the detecting head is calibrated;
8) and (3) probe position comparison: comparing the obtained actual contour line of the probe with the reference contour line of the probe by the computer to obtain the plane difference coordinate (X)3，Z3) Or (Y)3，Z3）；
9) Three times of adjustment of the driving mechanism, namely setting the third compensation quantity of the driving mechanism in the X, Z or Y, Z axis direction as [ △ X ] according to the plane difference coordinate obtained in the step 83，△Z3Or [ △ Y3，△Z3And since then, the drive mechanism adds the amount of compensation as it moves;
after the position detection of the reference head, the cutter and the detecting head is completed and the three-time compensation adjustment of the driving mechanism is realized, the cutter starts to work normally to cut the weakening line.
2. The method for calibrating a tool for weakening automotive slush molding skin according to claim 1, characterized in that: in step 7-9, the detection, comparison and three adjustments of the drive mechanism for the position of the detector head are used periodically without the need to detect the detector head each time the device is turned on.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810787297.9A CN109129667B (en) | 2018-07-18 | 2018-07-18 | Method for calibrating cutter for weakening automobile slush molding skin |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810787297.9A CN109129667B (en) | 2018-07-18 | 2018-07-18 | Method for calibrating cutter for weakening automobile slush molding skin |
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| CN109129667A CN109129667A (en) | 2019-01-04 |
| CN109129667B true CN109129667B (en) | 2020-07-28 |
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| CN1894557B (en) * | 2003-12-16 | 2011-07-06 | 特里伯耶拿有限公司 | Calibration of a surveying instrument |
| CN102202226B (en) * | 2010-03-23 | 2014-01-15 | 夏普株式会社 | Calibration device, defect detection device, defect repairing device and calibration method |
| CN106239263A (en) * | 2016-08-26 | 2016-12-21 | 苏州星诺奇科技股份有限公司 | A kind of cutter detecting method of numerical control device |
| CN107297774A (en) * | 2017-07-24 | 2017-10-27 | 京东方科技集团股份有限公司 | Cutter device and its cutter head calibration method |
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2018
- 2018-07-18 CN CN201810787297.9A patent/CN109129667B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1894557B (en) * | 2003-12-16 | 2011-07-06 | 特里伯耶拿有限公司 | Calibration of a surveying instrument |
| CN1807020A (en) * | 2005-01-20 | 2006-07-26 | 沃尔特机器制造有限责任公司 | Calibration method and corrosion and milling machine used thereof |
| CN101568891A (en) * | 2006-12-22 | 2009-10-28 | K&S芯片键合设备有限公司 | Method for calibrating the x-y positioning of a positioning tool, and apparatus with such a positioning tool |
| CN102202226B (en) * | 2010-03-23 | 2014-01-15 | 夏普株式会社 | Calibration device, defect detection device, defect repairing device and calibration method |
| CN106239263A (en) * | 2016-08-26 | 2016-12-21 | 苏州星诺奇科技股份有限公司 | A kind of cutter detecting method of numerical control device |
| CN107297774A (en) * | 2017-07-24 | 2017-10-27 | 京东方科技集团股份有限公司 | Cutter device and its cutter head calibration method |
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