CN115070488B - Part posture adjustment method - Google Patents
Part posture adjustment method Download PDFInfo
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- CN115070488B CN115070488B CN202210694847.9A CN202210694847A CN115070488B CN 115070488 B CN115070488 B CN 115070488B CN 202210694847 A CN202210694847 A CN 202210694847A CN 115070488 B CN115070488 B CN 115070488B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention relates to the field of machining, provides a part attitude adjustment method, and solves the technical problem of low attitude adjustment efficiency of aircraft parts in the prior art. The method comprises the following steps: acquiring three-dimensional coordinate values of characteristic parts of a part to be leveled, wherein the characteristic parts at least comprise a first characteristic part and a second characteristic part, and the first characteristic part and the second characteristic part are positioned on two sides of the part to be leveled; aligning the part to be subjected to posture adjustment according to the Y-axis coordinate value of the first characteristic part and the Y-axis coordinate value of the second characteristic part; and leveling the aligned part to be subjected to gesture adjustment according to the difference value between the three-dimensional coordinate value and the theoretical coordinate value. The invention realizes the quantification of the gesture adjustment process and improves the gesture adjustment efficiency of the parts.
Description
Technical Field
The invention relates to the field of machining, in particular to a part attitude adjusting method.
Background
The large-scale part of the aircraft is clamped on the tool and can generate elastic deformation and positioning errors, so that the elastic deformation and the positioning errors are required to be eliminated in order to meet the technological requirements of the large-scale part of the aircraft in numerical control processing, and the large-scale part of the aircraft is required to be aligned and leveled; the existing attitude adjustment method for the large-sized part of the airplane is to measure three-dimensional coordinate values of typical features of the part through a measuring head of a machine tool, calculate a machining program according to the three-dimensional coordinate values, and perform compensation machining in the machining program. The method has the advantages that the processing program is required to be re-output when the large-scale parts of the same aircraft are processed each time, the production efficiency is low, and the requirement of the production progress cannot be met.
Disclosure of Invention
In view of the above, the embodiments of the present invention provide a method, an apparatus, a device, and a medium for adjusting the pose of an aircraft part, so as to solve the technical problem of low efficiency of adjusting the pose of the aircraft part in the prior art.
In order to solve the technical problems, the application provides a part posture adjustment method, which comprises the following steps:
acquiring three-dimensional coordinate values of characteristic parts of a part to be leveled, wherein the characteristic parts at least comprise a first characteristic part and a second characteristic part, the first characteristic part and the second characteristic part are positioned on two sides of the part to be leveled, and a three-dimensional coordinate system takes a connecting line of the first characteristic part and the second characteristic part in an ideal state as an X axis and takes a vertical direction as a Z axis;
aligning the part to be subjected to posture adjustment according to the Y-axis coordinate value of the first characteristic part and the Y-axis coordinate value of the second characteristic part;
and leveling the aligned part to be subjected to gesture adjustment according to the difference value between the three-dimensional coordinate value and the theoretical coordinate value.
As some optional embodiments of the present application, the step of aligning the part to be adjusted according to the Y-axis coordinate value of the first feature and the Y-axis coordinate value of the second feature includes:
when the Y-axis coordinate value of the first characteristic part is smaller than that of the second characteristic part, marking one side of the first characteristic part as a side to be adjusted, marking one side of the second characteristic part as a reference measurement, otherwise marking one side of the second characteristic part as a side to be adjusted, and marking one side of the first characteristic part as a reference side;
moving the side to be adjusted in the Y-axis direction;
obtaining displacement amounts of the side to be adjusted and the reference side, and respectively recording the displacement amounts as a first displacement amount and a second displacement amount;
and when the difference value of the first displacement amount and the second displacement amount is equal to a first target adjustment amount, fixing the part to be adjusted, wherein the first target adjustment amount is obtained through the three-dimensional coordinate value and the theoretical coordinate value.
As some optional embodiments of the present application, the step of obtaining displacement amounts of the to-be-adjusted side and the reference side, which are respectively denoted as a first displacement amount and a second displacement amount, includes:
pressing the dial indicator in the Y-axis direction according to a preset pressing distance, wherein the dial indicator comprises a first dial indicator fixed on a side to be adjusted and a second dial indicator fixed on a reference side;
the scales of the first dial indicator and the second dial indicator are adjusted so that the readings of the first dial indicator and the second dial indicator are 0;
and reading the first dial indicator and the second dial indicator to obtain the first displacement and the second displacement.
As some optional embodiments of the present application, the step of leveling the aligned part to be adjusted according to the difference between the three-dimensional coordinate value and the theoretical coordinate value includes:
acquiring a position to be leveled, a leveling direction and a second adjustment amount according to the difference value between the three-dimensional coordinate value and the theoretical coordinate value;
determining all supporting feet to be leveled according to the position to be leveled;
and adjusting the height of the adjustable supporting block corresponding to each supporting leg to be leveled according to the leveling direction, the second adjustment amount and the preset adjustment sequence.
As some optional embodiments of the present application, the step of adjusting the height of the adjustable supporting block corresponding to each supporting leg to be leveled according to the leveling direction, the second adjustment amount and the preset adjustment sequence includes:
according to the preset pressing gauge distance, pressing a dial gauge on the supporting leg to be leveled along the Z-axis direction;
adjusting the scale of the dial indicator so that the reading of the dial indicator is 0;
adjusting the height of the adjustable supporting block corresponding to the supporting leg to be leveled according to the second adjustment amount and the leveling direction;
and when the reading of the dial indicator is equal to the second adjustment amount, fixing the supporting leg to be leveled.
As some optional embodiments of the present application, after the step of leveling the part to be leveled according to the difference between the three-dimensional coordinate value and the theoretical coordinate value, the method further includes:
re-acquiring the three-dimensional coordinate values of the characteristic parts;
and when the obtained three-dimensional coordinate value and theoretical coordinate value do not meet the preset condition, returning to the step of aligning the part to be adjusted according to the Y-axis coordinate value of the first characteristic part and the Y-axis coordinate value of the second characteristic part, and circulating until the obtained three-dimensional coordinate value and theoretical coordinate value meet the preset condition.
As some optional embodiments of the present application, before the step of obtaining the three-dimensional coordinate value of the feature of the part to be adjusted, the method further includes:
clamping the part to be adjusted on a tool, wherein the tool comprises at least four supporting feet, and an adjustable supporting block is arranged below each supporting foot;
adjusting the height of each adjustable support block so that the height of each adjustable support block is the same;
placing the part to be adjusted and the tool at a preset position of a machine tool;
and respectively acquiring three-dimensional coordinate values of the first characteristic part and the second characteristic part through a machine tool measuring head of the machine tool.
As some optional embodiments of the present application, the step of moving the side to be adjusted in the Y-axis direction includes:
fixing the reference side;
the side to be adjusted is displaced through the split hydraulic jack, wherein a piston part of the split hydraulic jack is arranged between a supporting leg and a stop block of the side to be adjusted.
As some optional embodiments of the present application, the height adjustment amount of each of the adjustable support blocks is 1 millimeter.
As some optional embodiments of the present application, the preset gauge distance is 0.5 mm.
In summary, the beneficial effects of the invention are as follows:
the part gesture adjusting method solves the technical problem that in the prior art, the gesture adjusting efficiency of the aircraft part is low. The method comprises the following steps: acquiring three-dimensional coordinate values of characteristic parts of a part to be leveled, wherein the characteristic parts at least comprise a first characteristic part and a second characteristic part, and the first characteristic part and the second characteristic part are positioned on two sides of the part to be leveled; aligning the part to be subjected to posture adjustment according to the Y-axis coordinate value of the first characteristic part and the Y-axis coordinate value of the second characteristic part; and leveling the part to be subjected to gesture adjustment according to the difference value between the three-dimensional coordinate value and the theoretical coordinate value. It can be seen that the three-dimensional coordinate values of the characteristic parts of the part to be adjusted can be obtained accurately, the posture of the part to be adjusted can be obtained according to the difference value of the Y-axis coordinate values of the first characteristic part and the second characteristic part, the adjustment quantity of the part to be adjusted in the alignment process can be obtained, the quantization of the alignment process is realized, and the position to be leveled and the leveling adjustment quantity can be obtained according to the difference value of the three-dimensional coordinate values and the theoretical coordinate values, so that the leveling efficiency of the part to be adjusted is improved, the quantization of the part in the posture adjustment process is realized, and the posture adjustment efficiency of the part is improved.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described, and it is within the scope of the present invention to obtain other drawings according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method for adjusting the pose of a part according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a part to be adjusted according to an embodiment of the present invention;
wherein, 1-a part to be adjusted; 2-tooling; 3-an adjustable support block; 4-split hydraulic jack; 5-a stop block; 6-percentage table; 7-pressing plate
Detailed Description
Features and exemplary embodiments of various aspects of the present invention will be described in detail below, and in order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely configured to illustrate the invention and are not configured to limit the invention. It will be apparent to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the invention by showing examples of the invention.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element.
Referring to fig. 1, an embodiment of the present invention provides a method for adjusting a pose of a part, where the method includes:
s1, acquiring three-dimensional coordinate values of a characteristic part of a part to be leveled, wherein the characteristic part at least comprises a first characteristic part and a second characteristic part, the first characteristic part and the second characteristic part are positioned on two sides of the part to be leveled, and a three-dimensional coordinate system takes a connecting line of the first characteristic part and the second characteristic part in an ideal state as an X axis and takes a vertical direction as a Z axis;
firstly, three-dimensional coordinate values of characteristic parts of a part to be subjected to gesture adjustment are obtained, for example, but not by way of limitation, the part to be subjected to gesture adjustment can be an aircraft beam type component, a wing wallboard, an aircraft tail fin and the like, the characteristic parts can be typical characteristics of the part on the part to be subjected to gesture adjustment, the typical characteristics of the part can be a groove area, a rib top, a positioning hole and the like on the part, in the embodiment, the characteristic parts at least comprise a first characteristic part and a second characteristic part, the first characteristic part and the second characteristic part are respectively positioned at two sides of the part to be subjected to gesture adjustment, a three-dimensional coordinate system is established, the three-dimensional coordinate system takes the direction of a connecting line of the first characteristic part and the second characteristic part in an ideal state as an X-axis direction, the Y-axis direction can be determined according to right-hand determination, the ideal state is that the part to be subjected to gesture adjustment is in an aligned and leveled state, the three-dimensional coordinate values of the first characteristic part and the second characteristic part are obtained, subsequent alignment efficiency is improved through the X-axis coordinate or the Y-axis of the characteristic part, and subsequent alignment can be quantified through the subsequent alignment efficiency improvement of the Z-axis coordinate of the characteristic part.
S2, aligning the part to be subjected to posture adjustment according to the Y-axis coordinate value of the first characteristic part and the Y-axis coordinate value of the second characteristic part;
the alignment is to use a scribing tool to check or correct the relative non-machined surface on the workpiece or to enable the relative surface and the reference surface to be in a proper position, the existing alignment method of the aircraft structural member is to use a dial indicator to obtain the difference value of two positioning pins or two positioning edges, then use the tool to knock the tool, and repeatedly operate until alignment is achieved, so that the method is time-consuming and labor-consuming and has low efficiency;
in this embodiment, when the Y-axis coordinate values of the first feature portion and the second feature portion are unequal, it is indicated that the part to be adjusted is not aligned, and the part to be adjusted is aligned according to the Y-axis coordinate value of the first feature portion and the Y-axis coordinate value of the second feature portion, and the difference value between the Y-axis coordinate value of the first feature portion and the Y-axis coordinate value of the second feature portion is the adjustment amount during alignment, so that quantification of the alignment process is achieved, and alignment efficiency of the large part is improved.
And S3, leveling the part to be adjusted according to the difference value between the three-dimensional coordinate value and the theoretical coordinate value.
The leveling is to adjust the level of the working plane of the equipment to be suitable for use, the leveling is to change the level of the working plane by adjusting the sizing block on the supporting point of the instrument and the equipment or adjusting the height of the sizing block, the existing plane structural member leveling method is to measure on the surface of a tool by using a dial indicator and then to level by using a gasket, the method cannot be quantized, has complex operation and low efficiency, in the embodiment of the invention, the part can be leveled by the difference value of the three-dimensional coordinate value and the theoretical coordinate value of the characteristic part, the quantization of the leveling process is realized, and the leveling efficiency and precision are effectively improved.
As some optional embodiments of the present application, the step of obtaining three-dimensional coordinate values of a feature of the part to be adjusted includes:
s11, clamping the part to be adjusted on a tool, wherein the tool comprises at least four supporting feet, and an adjustable supporting block is arranged below each supporting foot;
as shown in fig. 2, the part 1 to be adjusted is clamped on the tool 2, the tool 2 comprises at least four supporting legs 3, and an adjustable supporting block 3 is arranged below each supporting leg, the adjustable supporting block 3 refers to a supporting block with adjustable height, and the adjustment of the levelness of the tool during subsequent adjustment can be facilitated through the arrangement of the adjustable supporting block, and in a specific embodiment, the height adjustment amount of each adjustable supporting block is 1 millimeter.
S12, adjusting the height of each adjustable supporting block to enable the height of each adjustable supporting block to be the same;
secondly, adjusting the height of each adjustable supporting block to ensure that the height of each adjustable supporting block is the same, so that errors caused by the adjustable supporting blocks are avoided;
s13, placing the part to be adjusted and the tool at a preset position of a machine tool;
in the subsequent step, the three-dimensional coordinate values of the first feature part and the second feature part are obtained through a machine tool measuring head of the machine tool, and in the leveling step, the three-dimensional coordinate values obtained by the machine tool measuring head are required to be compared with theoretical coordinate values, so that the part to be adjusted and the tool are required to be placed at a preset position of the machine tool together, and an accurate three-dimensional coordinate value can be obtained through the measuring head of the machine tool.
Finally, three-dimensional coordinate values of the first characteristic part and the second characteristic part are obtained through a machine tool measuring head of the machine tool, and in a specific embodiment, the first characteristic part and the second characteristic part are positioning holes positioned on two sides of the part to be adjusted.
As some optional embodiments of the present application, the step of aligning the part to be adjusted according to the Y-axis coordinate value of the first feature and the Y-axis coordinate value of the second feature includes:
s21, when the Y-axis coordinate value of the first characteristic part is smaller than that of the second characteristic part, marking one side of the first characteristic part as a side to be adjusted, marking one side of the second characteristic part as a reference measurement, otherwise marking one side of the second characteristic part as a side to be adjusted, and marking one side of the first characteristic part as a reference side;
under the condition that the part to be adjusted is aligned, the Y-axis coordinate value of the first characteristic part is equal to the Y-axis coordinate value of the second characteristic part, namely, the connecting line of the first characteristic part and the second characteristic part is parallel to the X-axis of the three-dimensional coordinate system, and when the Y-axis coordinate value of the first characteristic part is smaller than the Y-axis coordinate value of the second characteristic part, the side where the first characteristic part is marked is regarded as the side to be adjusted, and the side where the second characteristic part is marked is regarded as the reference measurement.
S22, enabling the side to be adjusted to move in the Y-axis direction;
as an optional embodiment of the present application, the step of moving the to-be-adjusted side in the Y-axis direction includes:
s221, fixing the reference side;
firstly, the supporting legs on the reference side are fixed through the pressing plate 7, so that the reference side is prevented from being displaced while the side to be adjusted is moved, and errors caused by the displacement of the reference side in alignment are avoided.
S222, enabling the side to be adjusted to generate displacement through a split hydraulic jack, wherein a piston part of the split hydraulic jack is arranged between a supporting leg and a stop block of the side to be adjusted.
The movement of the adjusting side in the Y-axis direction is achieved through the split hydraulic jack 4, a stop block 5 is installed on a supporting foot of the side to be adjusted according to a preset distance, the stop block 5 is fixed on a working table of a machine tool, the preset distance is equal to the length of a piston portion of the split hydraulic jack 4, the 7 piston portion of the split hydraulic jack is installed between the stop block 5 and the supporting foot, and the supporting foot 3 of the side to be adjusted is pushed through the piston portion so that the side to be adjusted is displaced in the Y-axis direction.
S23, obtaining displacement amounts of the side to be adjusted and the reference side, and respectively recording the displacement amounts as a first displacement amount and a second displacement amount;
the step of obtaining the displacement amounts of the side to be adjusted and the reference side, respectively denoted as a first displacement amount and a second displacement amount, while moving the side to be adjusted, as some optional embodiments of the present application, includes:
s231, pressing the dial indicator in the Y-axis direction according to a preset pressing distance, wherein the dial indicator comprises a first dial indicator fixed on a side to be adjusted and a second dial indicator fixed on a reference side;
the dial indicator is used for indicating the deviation between a measured object and a standard size, when the dial indicator is used, in order to ensure that a measuring head and a measured surface keep certain pressure so as to reduce measuring errors, the dial indicator is used for measuring displacement of a side to be adjusted, the first dial indicator is used for measuring displacement of a reference side, a magnetic meter frame of the first dial indicator is fixed on a machine tool workbench of the side to be adjusted, the measuring head direction of the first dial indicator is perpendicular to a connecting line of a first characteristic part and a second characteristic part, the magnetic meter frame of the second dial indicator is fixed on the machine tool workbench of the reference side, the measuring head direction of the second dial indicator is perpendicular to a connecting line of the first characteristic part and the second characteristic part, and in a specific embodiment, the preset dial indicator distance is 0.5 mm in order to reduce measuring errors of the dial indicator.
S232, adjusting the scales of the first dial indicator and the second dial indicator so that the readings of the first dial indicator and the second dial indicator are 0;
after pressing the gauge, the scales of the first dial gauge and the second dial gauge need to be adjusted so that the readings of the dial gauge return to zero to avoid errors due to pressing the watchband.
S233, reading the first dial indicator and the second dial indicator to obtain the first displacement and the second displacement.
And after the pressing and zeroing operations of the dial indicator are finished, the side to be adjusted is displaced, and meanwhile, readings of the first dial indicator and the second dial indicator are obtained to obtain a first displacement amount and a second displacement amount.
And S24, when the difference value between the first displacement and the second displacement is equal to a first target adjustment amount, fixing all the supporting feet, wherein the first target adjustment amount is obtained through the three-dimensional coordinate value and the theoretical coordinate value.
When the difference between the first displacement and the second displacement is equal to the first target adjustment, the part to be adjusted is regarded as being aligned, and the first target adjustment is equal to the difference between the Y-axis coordinate values of the first feature and the second feature.
As some optional embodiments of the present application, the step of leveling the part to be adjusted according to the difference between the three-dimensional coordinate value and the theoretical coordinate value includes:
s31, acquiring a position to be leveled, a leveling direction and a second adjustment amount according to the difference value between the three-dimensional coordinate value and the theoretical coordinate value;
and the position to be leveled can be obtained through the three-dimensional coordinate value and the theoretical coordinate value obtained through actual measurement, the second adjustment quantity is equal to the difference value between the Z-axis coordinate value of the first characteristic part and the Z-axis coordinate value of the second characteristic part, and the leveling direction can be determined according to the positive and negative of the difference value.
S32, determining all supporting feet to be leveled according to the position to be leveled;
s33, adjusting the height of the adjustable supporting block corresponding to each supporting leg to be leveled according to the leveling direction, the second adjustment amount and the preset adjustment sequence.
After the positions to be leveled are obtained, all supporting feet to be adjusted can be determined, and the height of the adjustable supporting block corresponding to each supporting foot to be leveled is adjusted according to the leveling direction, the second adjustment amount and a preset adjustment sequence.
As some optional embodiments of the present application, the step of adjusting the height of the adjustable supporting block corresponding to each supporting leg to be leveled according to the leveling direction, the second adjustment amount and the preset adjustment sequence includes:
s331, according to a preset pressing gauge distance, pressing a dial gauge on the supporting leg to be leveled along the Z-axis direction;
the dial indicator is used for indicating the deviation between a measured object and a standard size, when the dial indicator is used, in order to ensure that the measuring head and the measured surface keep certain pressure so as to reduce measuring errors, the dial indicator can be pressed, a magnetic meter frame of the dial indicator is fixed on a machine tool workbench on one side of a supporting leg to be leveled, and the measuring head direction of the dial indicator is parallel to the vertical direction.
S332, adjusting the scale of the dial indicator so that the reading of the dial indicator is 0;
after pressing the dial gauge, the scale of the dial gauge needs to be adjusted so that the readings of the dial gauge are zeroed to avoid errors due to pressing the watchband.
S333, adjusting the height of the adjustable supporting block corresponding to the supporting leg to be leveled according to the second adjustment amount and the leveling direction;
s334, fixing the supporting leg to be leveled when the reading of the dial indicator is equal to the second adjustment amount;
and adjusting the height of the adjustable supporting block 3 corresponding to the supporting leg to be leveled according to the second adjustment amount and the leveling direction, when the reading of the dial indicator is equal to the second adjustment amount, regarding the supporting leg to reach the target height, and fixing the supporting leg through the pressing plate 7 so as to avoid influencing the leveled supporting leg when adjusting other supporting legs and ensure that the pointer of the dial indicator does not shake.
S335, repeating the steps until each supporting leg to be leveled is leveled.
As some optional embodiments of the present application, after the step of leveling the part to be leveled according to the difference between the three-dimensional coordinate value and the theoretical coordinate value, the method further includes:
s4, re-acquiring the three-dimensional coordinate value of the characteristic part;
and S5, returning to the step of aligning the part to be aligned according to the Y-axis coordinate value of the first characteristic part and the Y-axis coordinate value of the second characteristic part when the obtained three-dimensional coordinate value and theoretical coordinate value do not meet the preset condition, and circulating until the obtained three-dimensional coordinate value and theoretical coordinate value meet the preset condition.
And (3) re-acquiring the three-dimensional coordinate values of the feature parts, determining whether the alignment meets the process requirement according to the comparison of the measured three-dimensional coordinate values and the theoretical three-dimensional coordinate values, and if not, returning the Y-axis coordinate values of the first feature parts and the Y-axis coordinate values of the second feature parts to perform alignment on the part to be aligned, and re-performing alignment and leveling on the part with the alignment according to the re-acquired three-dimensional coordinate values of the feature parts until the process requirement is met.
In summary, according to the method for adjusting the part gesture provided by the embodiment of the invention, by acquiring the three-dimensional coordinate values of the characteristic parts of the part to be gesture-adjusted, the gesture of the part to be gesture-adjusted can be accurately acquired, the adjustment quantity of the part to be gesture-adjusted in the alignment process can be acquired according to the difference value of the Y-axis coordinate values of the first characteristic parts and the second characteristic parts, the quantization of the alignment process is realized, and the position and the leveling adjustment quantity to be leveled can be acquired according to the difference value of the three-dimensional coordinate values and the theoretical coordinate values, so that the efficiency of leveling the part to be gesture-adjusted is improved, the quantization of the part gesture-adjusting process is realized, and the gesture-adjusting efficiency of the part is improved.
It should also be noted that the exemplary embodiments mentioned in this disclosure describe some methods or systems based on a series of steps or devices. However, the present invention is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, or may be performed in a different order from the order in the embodiments, or several steps may be performed simultaneously.
In the foregoing, only the specific embodiments of the present invention are described, and it will be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the systems, modules and units described above may refer to the corresponding processes in the foregoing method embodiments, which are not repeated herein. It should be understood that the scope of the present invention is not limited thereto, and any equivalent modifications or substitutions can be easily made by those skilled in the art within the technical scope of the present invention, and they should be included in the scope of the present invention.
Claims (6)
1. The method for adjusting the pose of the part is characterized by comprising the following steps of:
acquiring three-dimensional coordinate values of characteristic parts of a part to be leveled, wherein the characteristic parts at least comprise a first characteristic part and a second characteristic part, the first characteristic part and the second characteristic part are positioned on two sides of the part to be leveled, and a three-dimensional coordinate system takes a connecting line of the first characteristic part and the second characteristic part in an ideal state as an X axis and takes a vertical direction as a Z axis;
aligning the part to be subjected to posture adjustment according to the Y-axis coordinate value of the first characteristic part and the Y-axis coordinate value of the second characteristic part;
leveling the aligned part to be subjected to gesture adjustment according to the difference value between the three-dimensional coordinate value and the theoretical coordinate value;
the step of aligning the part to be aligned according to the Y-axis coordinate value of the first feature part and the Y-axis coordinate value of the second feature part includes: when the Y-axis coordinate value of the first characteristic part is smaller than that of the second characteristic part, marking one side of the first characteristic part as a side to be adjusted, marking one side of the second characteristic part as a reference measurement, otherwise marking one side of the second characteristic part as a side to be adjusted, and marking one side of the first characteristic part as a reference side; moving the side to be adjusted in the Y-axis direction; obtaining displacement amounts of the side to be adjusted and the reference side, and respectively recording the displacement amounts as a first displacement amount and a second displacement amount; when the difference value between the first displacement and the second displacement is equal to a first target adjustment amount, fixing the part to be adjusted, wherein the first target adjustment amount is obtained through the three-dimensional coordinate value and the theoretical coordinate value;
the step of obtaining the displacement amounts of the side to be adjusted and the reference side, which are respectively recorded as a first displacement amount and a second displacement amount, includes: pressing the dial indicator in the Y-axis direction according to a preset pressing distance, wherein the dial indicator comprises a first dial indicator fixed on a side to be adjusted and a second dial indicator fixed on a reference side; the scales of the first dial indicator and the second dial indicator are adjusted so that the readings of the first dial indicator and the second dial indicator are 0; reading the first dial indicator and the second dial indicator to obtain the first displacement and the second displacement;
the step of leveling the aligned part to be subjected to posture adjustment according to the difference value between the three-dimensional coordinate value and the theoretical coordinate value comprises the following steps: acquiring a position to be leveled, a leveling direction and a second adjustment amount according to the difference value between the three-dimensional coordinate value and the theoretical coordinate value; determining all supporting feet to be leveled according to the position to be leveled; according to the leveling direction, the second adjustment amount and a preset adjustment sequence, the height of the adjustable supporting block corresponding to each supporting leg to be leveled is adjusted;
wherein, before the step of obtaining the three-dimensional coordinate value of the feature part of the part to be gesture-adjusted, the method further comprises: clamping the part to be adjusted on a tool, wherein the tool comprises at least four supporting feet, and an adjustable supporting block is arranged below each supporting foot; adjusting the height of each adjustable support block so that the height of each adjustable support block is the same; and placing the part to be adjusted and the tool at a preset position of a machine tool.
2. The method for adjusting the posture of the part according to claim 1, wherein the step of adjusting the height of the adjustable supporting block corresponding to each supporting leg to be leveled according to the leveling direction, the second adjustment amount and a preset adjustment sequence comprises the steps of:
according to the preset pressing gauge distance, pressing a dial gauge on the supporting leg to be leveled along the Z-axis direction;
adjusting the scale of the dial indicator so that the reading of the dial indicator is 0;
adjusting the height of the adjustable supporting block corresponding to the supporting leg to be leveled according to the second adjustment amount and the leveling direction;
and when the reading of the dial indicator is equal to the second adjustment amount, fixing the supporting leg to be leveled.
3. The method according to claim 1, further comprising, after the step of leveling the part to be leveled according to the difference between the three-dimensional coordinate value and the theoretical coordinate value:
re-acquiring the three-dimensional coordinate values of the characteristic parts;
and when the obtained three-dimensional coordinate value and theoretical coordinate value do not meet the preset condition, returning to the step of aligning the part to be adjusted according to the Y-axis coordinate value of the first characteristic part and the Y-axis coordinate value of the second characteristic part, and circulating until the obtained three-dimensional coordinate value and theoretical coordinate value meet the preset condition.
4. The method of claim 1, wherein the step of moving the side to be adjusted in the Y-axis direction comprises:
fixing the reference side;
the side to be adjusted is displaced through the split hydraulic jack, wherein a piston part of the split hydraulic jack is arranged between a supporting leg and a stop block of the side to be adjusted.
5. The method of claim 1, wherein the height adjustment of each of the adjustable support blocks is 1 mm.
6. The component pose alignment method according to any of claims 1 or 2, wherein the preset gauge distance is 0.5 mm.
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