CN114643390A - Deformation compensation device and method for slender thin-walled workpiece before scraping - Google Patents
Deformation compensation device and method for slender thin-walled workpiece before scraping Download PDFInfo
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- CN114643390A CN114643390A CN202210243066.8A CN202210243066A CN114643390A CN 114643390 A CN114643390 A CN 114643390A CN 202210243066 A CN202210243066 A CN 202210243066A CN 114643390 A CN114643390 A CN 114643390A
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- 238000007790 scraping Methods 0.000 title claims abstract description 34
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 83
- 238000005259 measurement Methods 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 abstract description 3
- 238000012545 processing Methods 0.000 description 3
- 238000013135 deep learning Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
- B23D79/02—Machines or devices for scraping
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
- B23D79/02—Machines or devices for scraping
- B23D79/10—Accessories for holding scraping tools or work to be scraped
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Abstract
The invention discloses a deformation compensation device and a deformation compensation method before scraping and grinding of a slender thin-walled piece, wherein the device comprises a rack, a supporting assembly, a clamping assembly, a distance measurement assembly and a control system, the supporting assembly comprises a plurality of jacking mechanisms used for jacking a plurality of adjusting points upwards respectively, the clamping assembly comprises a plurality of locking mechanisms used for laterally jacking a plurality of locking points respectively, the distance measurement assembly comprises a non-contact distance measurement mechanism used for measuring the vertical distance between the distance measurement mechanism and a plurality of acquisition points above the slender thin-walled piece, and the control system is used for calculating the deformation, the deformation compensation position and the compensation quantity of the slender thin-walled piece and controlling the locking mechanisms and the jacking mechanisms. The invention carries out deformation compensation on the long thin-wall part, so that the scraping process is carried out after the long thin-wall part reaches the allowable deformation range, and thus, quantitative scraping can be accurately carried out.
Description
Technical Field
The invention belongs to the technical field of scraping, and particularly relates to a deformation compensation device and method for a slender thin-walled workpiece before scraping.
Background
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
The slender thin-walled parts such as the guide rail and the grating ruler support have the characteristics of poor structural rigidity, poor processing performance and the like, after the parts are processed, although the processing precision of the parts detected on machine possibly meets the design requirements, after the special clamping fixture is loosened, the parts can generate a large amount of deformation under the influence of processing residual stress, and the parts cannot meet the use requirements. Particularly, because of the requirement of the assembly process, when the surface of the part needs to be scraped by using a metal scraper, the bending deformation is generated, which brings great difficulty to the scraping work, and the quantitative scraping cannot be accurately performed.
Disclosure of Invention
Therefore, the technical problem to be solved by the present invention is how to provide a deformation compensation device and method before scraping for a slender thin-walled workpiece, which can accurately and quantitatively scrape.
In order to solve the technical problem, the invention provides a deformation compensation device before scraping of a slender thin-walled piece, which comprises:
a frame;
the supporting assembly is arranged on the rack and comprises a plurality of jacking mechanisms which are used for jacking a plurality of adjusting points at different positions of the slender thin-walled piece in the length direction respectively;
the clamping assembly is arranged on the rack and comprises a plurality of locking mechanisms which are used for respectively and laterally jacking a plurality of locking points at different positions of the slender thin-walled piece in the length direction;
the distance measuring assembly is mounted on the rack and comprises a non-contact distance measuring mechanism which is used for measuring the vertical distance between a plurality of collecting points at different positions in the length direction of the slender thin-walled piece above the slender thin-walled piece;
the control system is used for calculating the deformation amount of the slender thin-walled piece according to the measurement result of the non-contact distance measuring mechanism, calculating the deformation compensation position and compensation amount of the slender thin-walled piece according to the deformation amount of the slender thin-walled piece, controlling the deformation compensation position of the locking mechanism for clamping and loosening the slender thin-walled piece and controlling the deformation compensation position of the jacking mechanism for jacking the slender thin-walled piece.
In an embodiment of the present invention, the supporting assembly further includes a supporting plate, the supporting plate is fixed on the frame and located at a lower side of the slender thin-walled member, the jacking mechanism is installed below the supporting plate, and the supporting plate is provided with a plurality of jacking holes for the jacking mechanisms to extend out.
In one embodiment of the invention, the clamping assembly further comprises a positioning plate and a locking plate, the positioning plate and the locking plate are fixed on the rack and are respectively positioned on two sides of the slender thin-walled piece, and the locking mechanism is arranged on the locking plate.
In one embodiment of the invention, the distance measuring assembly further comprises a moving platform, an upright post and an air cylinder, wherein the moving platform is installed on the rack and drives the upright post to move along the length direction of the slender thin-walled piece, and the air cylinder is installed on the upright post and drives the non-contact distance measuring mechanism to move along the width direction of the slender thin-walled piece.
In one embodiment of the invention, the jacking mechanism comprises a jacking rod which is used for being in contact with the slender thin-walled piece and a servo motor which drives the jacking rod to lift.
In one embodiment of the invention, the locking mechanism is a locking oil cylinder or a locking air cylinder which is directly contacted with the slender thin-walled piece.
In one embodiment of the present invention, the non-contact distance measuring mechanism is a laser distance measuring instrument.
The invention also provides another technical scheme: a deformation compensation method before scraping of an elongated thin-walled piece comprises the following steps:
(1) providing a deformation compensation device before scraping of the slender thin-walled piece, and entering the next step;
(2) placing the slender thin-walled piece on the supporting assembly, and controlling the clamping assembly to clamp the slender thin-walled piece by the control system to enter the next step;
(3) the control system controls the distance measuring assembly to measure a plurality of vertical distances between the distance measuring assembly and a plurality of collecting points at different positions in the length direction of the slender thin-walled workpiece, and the next step is carried out;
(4) the control system calculates the deformation of the slender thin-walled piece and judges whether the deformation of the slender thin-walled piece is within a set range, if so, the scraping step is carried out, and if not, the next step is carried out;
(5) and (3) the control system calculates the deformation compensation position and compensation amount of the slender thin-walled piece, controls part of the deformation compensation position of the locking mechanism to be loosened, controls part of the deformation compensation position of the jacking mechanism to be jacked and controls part of the deformation compensation position of the locking mechanism to be jacked in sequence, and the step (3) is returned.
In one embodiment of the invention, the control system determines the distribution positions of a plurality of acquisition points of the slender thin-walled piece through the depth learning module according to the length size and the thickness size of the slender thin-walled piece, and in the step (3), the control system controls the distance measurement assembly to acquire the vertical distances between the distance measurement assembly and the plurality of acquisition points one by one.
In one embodiment of the invention, the control system calculates the deviation of each acquisition point and a standard straight line through a straightness analysis module so as to determine the deformation amount of the slender thin-walled workpiece and finally determine the deformation compensation position, wherein the standard straight line is obtained by adopting the following method, the acquisition point with the maximum distance to the non-contact distance measuring mechanism and the acquisition point with the minimum distance are removed, and then a linear model is used for fitting a discrete acquisition point group by utilizing a least square method so as to fit into a standard straight line.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the invention discloses a deformation compensation device and a method before scraping of a slender thin-walled piece.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is an axial view of an elongated thin-walled part pre-scrape deformation compensation device of the present disclosure;
FIG. 2 is a front view of the disclosed elongated thin wall member pre-scrape distortion compensation apparatus;
FIG. 3 is a schematic view of section A-A of FIG. 2;
FIG. 4 is an axial view of the disclosed elongated thin wall member pre-scrape distortion compensating apparatus without showing a ranging assembly;
FIG. 5 is an axial view of the disclosed slender thin-walled workpiece pre-scraping deformation compensation device without showing the slender thin-walled workpiece, a jacking mechanism and a locking mechanism;
fig. 6 is a control schematic diagram of the deformation compensation device before the scraping of the slender thin-walled piece.
Wherein, 1, slender thin-walled piece; 2. a frame; 3. a support assembly; 31. a jacking mechanism; 32. a support plate; 33. an ejection aperture; 4. a clamping assembly; 41. a locking mechanism; 42. positioning a plate; 43. a locking plate; 5. a ranging assembly; 51. a non-contact ranging mechanism; 52. a mobile platform; 53. a column; 54. a cylinder; 6. a control system; 7. display and warning device.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further improvements to the present application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, elements, and/or combinations thereof, unless the context clearly indicates otherwise. In the present disclosure, terms such as "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "side", "bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only relational terms determined for convenience in describing structural relationships of the parts or elements of the present disclosure, and do not refer to any parts or elements of the present disclosure, and are not to be construed as limiting the present disclosure. In the present disclosure, terms such as "fixedly connected", "connected", and the like are to be understood in a broad sense, and mean either a fixed connection or an integrally connected or detachable connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present disclosure can be determined on a case-by-case basis by a person skilled in the art and should not be construed as limiting the present disclosure.
The following is a preferred embodiment of the present invention, but is not intended to limit the scope of the present invention.
Example one
Referring to fig. 1 to 6, as shown in the drawings, an elongated thin-walled member pre-scraping deformation compensation device is used for performing pre-scraping deformation compensation on an elongated thin-walled member 1, and comprises:
a frame 2;
the supporting component 3 is installed on the frame 2 and comprises a plurality of jacking mechanisms 31 for jacking a plurality of adjusting points at different positions of the slender thin-walled workpiece 1 in the length direction respectively;
the clamping assembly 4 is arranged on the frame 2 and comprises a plurality of locking mechanisms 41 which are used for respectively and laterally jacking a plurality of locking points at different positions of the slender thin-walled piece 1 in the length direction;
the distance measuring assembly 5 is mounted on the frame 2 and comprises a non-contact distance measuring mechanism 51 which is arranged above the slender thin-wall part 1 and used for measuring the vertical distance between a plurality of collecting points at different positions in the length direction of the slender thin-wall part 1;
and the control system 6 is used for calculating the deformation amount of the slender thin-walled workpiece 1 according to the measurement result of the non-contact distance measuring mechanism 51, calculating the deformation compensation position and compensation amount of the slender thin-walled workpiece 1 according to the deformation amount of the slender thin-walled workpiece 1, controlling the deformation compensation position at which the locking mechanism 41 clamps and releases the slender thin-walled workpiece, and controlling the deformation compensation position at which the jacking mechanism 31 jacks up the slender thin-walled workpiece 1.
The frame is arranged on the foundation and kept horizontally placed, and the frame is a bearing part of other parts; the supporting assembly can realize integral supporting and local jacking of the slender thin-walled piece, the clamping assembly can limit the slender thin-walled piece to move along the width direction of the slender thin-walled piece, the supporting assembly and the clamping assembly can position the slender thin-walled piece and adjust the shape of the slender thin-walled piece, and the distance measuring assembly and the control system can obtain the deformation condition of the thin-walled piece.
In a preferred embodiment of the present invention, the supporting assembly 3 further includes a supporting plate 32, the supporting plate 32 is fixed to the frame 2 and located under the slender thin-walled workpiece 1, the jacking mechanism 31 is installed under the supporting plate 32, and the supporting plate 32 is provided with a plurality of jacking holes 33 through which the jacking mechanisms respectively extend. Specifically, the supporting plate is a strip-shaped plate capable of supporting the slender thin-walled part, the supporting plate is fixed with the rack, or can be a part of the rack. In other embodiments it may also be: the support assembly does not comprise a support plate, and the slender thin-walled piece is supported by the jacking mechanism.
In a preferred embodiment of the present invention, the clamping assembly 4 further includes a positioning plate 42 and a locking plate 43, the positioning plate 42 and the locking plate 43 are fixed on the frame 2 and located on two sides of the elongated thin-walled member 1, respectively, and the locking mechanism 41 is mounted on the locking plate 43. Specifically, the positioning plate is a strip-shaped plate capable of blocking the elongated thin-walled workpiece from moving, the locking plate is a strip-shaped plate capable of being provided with a locking mechanism, the positioning plate and the locking plate are fixed with the rack or are part of the rack, in the embodiment, the positioning plate and the locking plate are fixed on the rack through bolts, and the locking mechanism is fixed on the locking plate through bolt connection. In other embodiments it may also be: the positioning plate is not included, and the slender thin-walled piece is clamped by the locking mechanism.
In a preferred embodiment of the present invention, the distance measuring assembly 5 further includes a moving platform 52, an upright column 53, and an air cylinder 54, the moving platform 52 is mounted on the frame 2 and drives the upright column 53 to move along the length direction of the elongated thin-walled member 1, and the air cylinder 54 is mounted on the upright column 53 and drives the non-contact distance measuring mechanism 51 to move along the width direction of the elongated thin-walled member 1. Specifically, the moving platform is fixed with the rack through bolts, the moving platform is composed of a linear motion die, the upright column can be driven to move along the length direction of the slender thin-walled piece, the moving speed, the moving distance and the like of the upright column can be controlled through a servo control system, and the distance between the upright column and the collection point can be conveniently measured later. The upright post is connected with the mobile platform through a screw. The cylinder is fixed with the upright post through a bolt. The non-contact distance measuring mechanism is fixed at the front end of the cylinder piston through bolt connection and does extension and retraction movement along with the cylinder, the non-contact distance measuring mechanism can measure the distance between two points, and the distance between the full length surface of the slender thin-walled piece and the non-contact distance measuring mechanism can be measured at fixed points through movement of the moving platform.
In a preferred embodiment of this embodiment, the jacking mechanism 31 includes a jacking rod for contacting with the slender thin-walled member and a servo motor for driving the jacking rod to lift. The jacking mechanism is controlled by the servo motor, and the extending length of the ejector rod can be accurately adjusted in real time.
In a preferred embodiment of this embodiment, the locking mechanism 41 is a locking cylinder or a locking cylinder directly contacting with the elongated thin-walled member. The positioning plate is fixedly connected to the rack through bolts, the upper surface of the slender thin-walled piece is a surface to be scraped, the bottom surface of the slender thin-walled piece is in contact with the supporting assembly, and the front side surface of the slender thin-walled piece is in contact with the positioning plate; the locking plate is connected with the frame through a bolt; the locking oil cylinder or the locking air cylinder is fixed with the locking plate through a bolt, and a piston rod of the locking oil cylinder or the locking air cylinder is used for tightly propping the slender thin-walled piece to form extrusion force, so that the slender thin-walled piece can be locked. The locking oil cylinders or the locking air cylinders are provided with a plurality of locking plates which are uniformly distributed on the locking plates under the combined action.
In a preferred embodiment of the present embodiment, the non-contact distance measuring mechanism 51 is a laser distance measuring instrument.
The deformation compensation method before scraping of the slender thin-wall part comprises the following steps:
(1) providing the deformation compensation device before scraping of the slender thin-walled piece, and entering the next step;
(2) placing the slender thin-walled piece on the supporting assembly, and controlling the clamping assembly to clamp the slender thin-walled piece by the control system to enter the next step;
(3) the control system controls the distance measuring assembly to measure a plurality of vertical distances between the distance measuring assembly and a plurality of collecting points at different positions in the length direction of the slender thin-walled workpiece, and the next step is carried out;
(4) the control system calculates the deformation of the slender thin-walled piece and judges whether the deformation of the slender thin-walled piece is within a set range, if so, the scraping step is carried out, and if not, the next step is carried out;
(5) and (4) the control system calculates the deformation compensation position and compensation amount of the slender thin-walled workpiece, controls part of the deformation compensation positions released by the locking mechanisms, controls part of the deformation compensation positions jacked by the jacking mechanisms and controls part of the deformation compensation positions jacked by the locking mechanisms in sequence, and the step (3) is returned.
Before scraping, the slender thin-walled piece is cleaned and air-dried, then the slender thin-walled piece is horizontally placed on the supporting component 3, then the clamping mechanism of the clamping component sequentially acts to fix the slender thin-walled piece, the non-contact distance measuring mechanism extends forwards under the drive of the air cylinder and reaches the position right above the workpiece, under the drive of the moving platform, the non-contact distance measuring mechanism moves at intervals along one end of the slender thin-walled piece to the other end, the distance of the upper surface of the slender thin-walled piece is acquired by the non-contact distance measuring mechanism during the interval, the acquired data is transmitted to the control system, the control system processes the acquired data, calculates the deformation condition of the surface of the slender thin-walled piece and displays the detection result through the display and warning device 7, the qualified scraping process can be carried out, and the deformation compensation quantity and compensation point of the slender thin-walled piece are calculated again if the slender thin-walled piece is unqualified, and calculating a compensation command through the motion control module and the light opening amount control module, and finally transmitting the compensation command to each jacking mechanism and each locking mechanism in sequence.
When the slender thin-wall part is compensated, the locking mechanism near the adjusting point is controlled to be loosened, the jacking mechanism is controlled to adjust the extending length in real time, and the locking mechanism is controlled to be locked after the adjusting is finished. And then the next adjustment point is adjusted. When the jacking mechanism is initially installed, the ejector rod of the jacking mechanism extends out by a proper length so as to adjust the later extending length.
The control system 6 comprises a straightness measuring module, an industrial personal computer, a deep learning module, a motion control module and a switching value control module, the deep learning module can perform targeted training through tests, the control system is helped to make quick response to the trained contents, and the working efficiency of the deformation compensation device is improved.
In a preferred implementation manner of this embodiment, the control system determines the distribution positions of the multiple collection points of the elongated thin-walled workpiece through the depth learning module according to the length and thickness of the elongated thin-walled workpiece, and in step (3), the control system controls the distance measurement assembly to collect the vertical distances between the multiple collection points one by one.
In a preferred embodiment of this embodiment, the control system calculates a deviation between each of the collection points and a standard straight line through a straightness analysis module, so as to determine a deformation amount of the elongated thin-walled workpiece, and finally determines a deformation compensation position, where the standard straight line is obtained by removing the collection point with the largest distance from the non-contact distance measuring mechanism and the collection point with the smallest distance from the non-contact distance measuring mechanism, and then fitting a discrete collection point group with a linear model by using a least square method to form a standard straight line.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention, including any reference to the above-mentioned embodiments. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An elongated thin-walled member pre-scraping deformation compensation device, comprising:
a frame;
the supporting assembly is arranged on the rack and comprises a plurality of jacking mechanisms which are used for jacking up a plurality of adjusting points at different positions of the slender thin-walled piece in the length direction respectively;
the clamping assembly is arranged on the rack and comprises a plurality of locking mechanisms which are used for respectively and laterally jacking a plurality of locking points at different positions of the slender thin-walled piece in the length direction;
the distance measuring assembly is mounted on the rack and comprises a non-contact distance measuring mechanism which is used for measuring the vertical distance between a plurality of collecting points at different positions in the length direction of the slender thin-walled piece above the slender thin-walled piece;
the control system is used for calculating the deformation amount of the slender thin-walled piece according to the measurement result of the non-contact distance measuring mechanism, calculating the deformation compensation position and compensation amount of the slender thin-walled piece according to the deformation amount of the slender thin-walled piece, controlling the deformation compensation position of the locking mechanism for clamping and loosening the slender thin-walled piece and controlling the deformation compensation position of the jacking mechanism for jacking the slender thin-walled piece.
2. The apparatus according to claim 1, wherein said support assembly further comprises a support plate, said support plate being fixed to said frame and located under said elongated thin wall member, said jacking mechanism being mounted under said support plate, said support plate being provided with a plurality of jacking holes through which said jacking mechanisms extend, respectively.
3. The elongated thin-walled member pre-scraping deformation compensation device of claim 1, wherein the clamping assembly further comprises a positioning plate and a locking plate, the positioning plate and the locking plate are fixed to the frame and located on two sides of the elongated thin-walled member, respectively, and the locking mechanism is mounted on the locking plate.
4. The elongated thin-walled member pre-scraping deformation compensation device according to claim 1, wherein the distance measuring assembly further comprises a moving platform, an upright post and a cylinder, the moving platform is mounted on the frame and drives the upright post to move along the length direction of the elongated thin-walled member, and the cylinder is mounted on the upright post and drives the non-contact distance measuring mechanism to move along the width direction of the elongated thin-walled member.
5. The elongated thin-walled member pre-scraping deformation compensating device of claim 1, wherein the jacking mechanism comprises a jacking rod for contacting the elongated thin-walled member and a servo motor for driving the jacking rod to ascend and descend.
6. The elongated thin wall member pre-scraping deformation compensating device of claim 1, wherein the locking mechanism is a locking cylinder or a locking cylinder in direct contact with the elongated thin wall member.
7. The elongated thin wall member pre-scraping deformation compensation device of claim 1, wherein the non-contact ranging mechanism is a laser rangefinder.
8. A deformation compensation method before scraping of a slender thin-walled piece is characterized by comprising the following steps:
(1) providing a pre-scrape deformation compensation device for an elongated thin walled member according to any one of claims 1 to 7 into the next step;
(2) placing the slender thin-walled piece on the supporting assembly, and controlling the clamping assembly to clamp the slender thin-walled piece by the control system to enter the next step;
(3) the control system controls the distance measuring assembly to measure a plurality of vertical distances between the distance measuring assembly and a plurality of collecting points at different positions in the length direction of the slender thin-walled workpiece, and the next step is carried out;
(4) the control system calculates the deformation of the slender thin-walled piece and judges whether the deformation of the slender thin-walled piece is within a set range, if so, the scraping step is carried out, and if not, the next step is carried out;
(5) and (3) the control system calculates the deformation compensation position and compensation amount of the slender thin-walled piece, controls part of the deformation compensation position of the locking mechanism to be loosened, controls part of the deformation compensation position of the jacking mechanism to be jacked and controls part of the deformation compensation position of the locking mechanism to be jacked in sequence, and the step (3) is returned.
9. The elongated thin-walled member pre-scraping deformation compensation method according to claim 8, wherein the control system determines the distribution positions of the plurality of collection points of the elongated thin-walled member through a depth learning module according to the length dimension and the thickness dimension of the elongated thin-walled member, and in the step (3), the control system controls the distance measurement assembly to collect the vertical distances between the distance measurement assembly and the plurality of collection points one by one.
10. The elongated thin-walled member pre-scraping deformation compensation method of claim 8, wherein the control system calculates the deviation of each of the collection points from a standard straight line through a straightness analysis module to determine the deformation of the elongated thin-walled member, and finally determines the deformation compensation position, wherein the standard straight line is obtained by removing the collection points with the largest distance from the non-contact distance measuring mechanism and the collection points with the smallest distance from the non-contact distance measuring mechanism, and then fitting the discrete collection point group with a linear model to form a standard straight line by using a least square method.
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| CN202210243066.8A CN114643390A (en) | 2022-03-11 | 2022-03-11 | Deformation compensation device and method for slender thin-walled workpiece before scraping |
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| CN202210243066.8A CN114643390A (en) | 2022-03-11 | 2022-03-11 | Deformation compensation device and method for slender thin-walled workpiece before scraping |
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| US20130302104A1 (en) * | 2010-11-08 | 2013-11-14 | Starrag Ag | Device for Correcting the Position of Elements of a Machine Tool and Compensation Element Therefor |
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