CN112797863A - Marking inspection method for circular and multi-angle-shaped forge piece - Google Patents
Marking inspection method for circular and multi-angle-shaped forge piece Download PDFInfo
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- CN112797863A CN112797863A CN202011627832.8A CN202011627832A CN112797863A CN 112797863 A CN112797863 A CN 112797863A CN 202011627832 A CN202011627832 A CN 202011627832A CN 112797863 A CN112797863 A CN 112797863A
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- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
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Abstract
The invention relates to the field of marking detection of the contour dimension of die forgings of aluminum, aluminum alloy, magnesium and magnesium alloy, in particular to a marking detection method for round and multi-angle contour forgings, wherein all the marking data are calculated according to a universal marking head used during the marking calculation, and the revolution of a required handle is recorded; sequentially rotating the handle to the required degree, calculating according to the relation between the shaking turns of the handle of the universal dividing head, the equal fraction of the dividing head and the equal fraction of the workpiece, and drawing a required dimension line by using the height gauge; the invention thoroughly changes the original method for checking the forging piece by marking, effectively overcomes the complex and heavy operation, designs and processes some auxiliary accessories by the original idle equipment, has low cost investment and quick effect, develops the checking method for extending the forging piece with the approximate shape, finishes the marking task of the die forging pieces with various specifications under the state of heavy workshop quality checking task and high requirement, and allows the user to recognize the checking result mark.
Description
Technical Field
The invention relates to the field of marking and detecting the contour dimension of aluminum and aluminum alloy, magnesium and magnesium alloy die forgings, in particular to a marking and detecting method for circular and multi-angle contour forgings.
Background
The aluminum and aluminum alloy, magnesium and magnesium alloy die forging is widely applied to the fields of civil and military aerospace, the marking-out detection of the overall dimension of the die forging is particularly important, the existing precision requirement cannot be met by the original detection method along with the improvement of the overall dimension precision requirement of products of various manufacturers, and the operation step process is complex.
The marking inspection process is a key link of quality inspection of the aluminum and magnesium alloy forged piece, and mainly relates to the work of forging and pressing die inspection, marking inspection of products such as free forged pieces, die forged pieces, forged rings and the like, die repair guidance and inspection and the like.
The work object forging is roughly divided into: circular, slotted, annular, multi-angular distributed, etc.
Detailed description of the original operation steps:
1. and (3) deburring the forged piece meeting the scribing requirement, painting the forged piece by using gentian violet staining solution, clamping in a mode of combining a square box and a tip or a mode of supporting the tip alone, and fixing the forged piece on a scribing inspection platform.
2. And correcting and leveling the workpiece by using the height gauge, and marking a reference line on the forged piece according to a drawing.
3. The height gauge is used to draw out the general dimension line, the auxiliary line, the origin coordinate line related to the angle measurement, and the indirectly calculated trigonometric function line.
4. And (3) turning the square box to the transverse measurement direction, changing the direction in a manner of supporting by a tip, and determining a new measurement direction by combining clamping tools such as V-shaped iron, the tip and a height gauge.
5. And (5) correcting and leveling the workpiece again by using the height gauge, and marking a new reference line on the forged piece according to the drawing.
6. According to the transverse datum line, a general dimension line, an auxiliary line, an origin coordinate line related to angle measurement and an indirectly calculated trigonometric function line are marked out by using a height gauge.
7. And (3) erecting the square box to the longitudinal measuring direction, replacing the square box to the third measuring direction in a manner of supporting by an apex, and determining a new measuring direction by combining clamping tools such as V-shaped iron, the apex and a height gauge.
8. And (5) correcting and leveling the workpiece again by using the height gauge, and marking a new reference line on the forged piece according to the drawing.
9. According to the longitudinal datum line, a general dimension line, an auxiliary line, an origin coordinate line related to angle measurement and an indirectly calculated trigonometric function line are marked out by using a height gauge.
10. The coordinates of the origin and the deflection angle of the alignment angle measurement are aligned one by one in a wood wedge cushion square box mode, and an angle line is drawn by a height gauge.
11. And sequentially changing direction clamping according to the number of the angles to be measured in a manner of tip supporting, adjusting the clamping to align the coordinates of the measurement origin and the deflection angle, and marking an angle line by using the height gauge. (rotating the forging as many times as necessary until the desired dimension line is marked out)
12. And verifying the scribing result by using measuring tools such as a caliper, an angle gauge, a compass and the like.
13. And drawing a line drawing conclusion.
Disclosure of Invention
The purpose of the invention is as follows: the invention provides a marking inspection method for a circular and multi-angle shape forge piece, aiming at solving the problem that the existing precision requirement cannot be met by the original detection method due to the improvement of the precision requirement of each manufacturer on the shape dimension of a product.
The invention is implemented by the following embodiments: a marking inspection method for a circular and multi-angle shape forging piece comprises the following steps:
the method comprises the following steps: the method comprises the following steps of (1) grinding burrs of a forged piece meeting a marking requirement, coloring the forged piece by using colored dye liquid, clamping the forged piece in a mode of combining a square box and a tip or in a mode of supporting by the tip alone, and fixing the forged piece on a marking inspection platform;
step two: correcting and leveling the workpiece by using a height gauge, and marking a reference line on the forged piece according to a drawing;
step three: fixing the workpiece on a universal dividing head on a platform by using an inner clamping jaw and an outer clamping jaw in the shape of the workpiece, and punching the circle center of the workpiece to assemble the workpiece by using a special assembly shaft when the clamping jaws cannot be assembled;
step four: calculating all index data according to the universal index head, and recording the revolution of the required handle;
step five: sequentially rotating the handles to the required degrees in sequence, and marking out the required dimension line by using the height gauge;
step six: verifying the scribing result by using a measuring tool;
step seven: and drawing a line drawing conclusion.
Further, the following steps: the colored dye in the first step is gentian violet dye.
And furthermore, the datum line in the second step comprises a height datum line, a circle center and a dimension line.
Further, the universal dividing head of the fourth step is a 135-type universal dividing head.
Still further, when the scribing measures the number of equally divided circles, the number of rotations of the handle is equal to the number of the index head/the number of equally divided workpieces.
Further, when the scribing line measures the bisector of a circle, the number of rotations of the handle is n, and n is 40/z, wherein z is the workpiece bisector.
Still further, when the line drawing is used for measuring any angle, the number of the rotation of the handle is equal to the number of the angle to be measured/the number of the rotation of the universal dividing head.
Further, when the scribing line measures any angle, the number of rotations of the handle is m, and m is equal to theta/9 degrees, wherein theta is the angle to be measured.
Still further, the measuring tool of the sixth step comprises a caliper, an angle gauge and a compass.
Has the advantages that: the invention thoroughly changes the original method for checking the forging piece by marking, effectively overcomes the complex and heavy operation, designs and processes some auxiliary accessories by the original idle equipment, has low cost investment and quick effect, develops the checking method for extending the forging piece with the approximate shape, finishes the marking task of the die forging pieces with various specifications under the state of heavy workshop quality checking task and high requirement, and allows the user to recognize the checking result mark.
The universal dividing head and the accessory are matched with the clamping forge piece for scribing inspection, the calibrated precision of the dividing head is smaller than 0.01mm within 300mm of axial coaxiality, the normal verticality is smaller than 0.03mm within 300mm, the precision of the precision far meets the requirement of the scribing precision of the forge piece, the steps of repeated clamping are simplified during clamping, the precision is guaranteed, the error accumulation is reduced, and the risk that the forge piece falls to hurt people during scribing operation is avoided.
After the universal dividing head device finishes clamping the round forging marking line, the dividing head only needs to be rotated to divide during angle measurement without clamping for multiple times, the marking line is completed simply, quickly and accurately, and the production efficiency is greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a modified pre-flow diagram;
FIG. 2 is a flow chart of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or coupled. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
For the convenience of understanding the embodiments of the present invention, the following description will be further explained by taking several specific embodiments as examples in conjunction with the drawings, and the embodiments are not to be construed as limiting the embodiments of the present invention.
The first embodiment is as follows: a marking inspection method for a circular and multi-angle shape forging piece comprises the following steps:
the method comprises the following steps: the method comprises the following steps of (1) grinding burrs of a forged piece meeting a marking requirement, coloring the forged piece by using colored dye liquid, clamping the forged piece in a mode of combining a square box and a tip or in a mode of supporting by the tip alone, and fixing the forged piece on a marking inspection platform;
step two: correcting and leveling the workpiece by using a height gauge, and marking a reference line on the forged piece according to a drawing;
step three: fixing the workpiece on a universal dividing head on a platform by using an inner clamping jaw and an outer clamping jaw in the shape of the workpiece, and punching the circle center of the workpiece to assemble the workpiece by using a special assembly shaft when the clamping jaws cannot be assembled;
step four: calculating all index data according to the universal index head, and recording the revolution of the required handle;
step five: sequentially rotating the handles to the required degrees in sequence, and marking out the required dimension line by using the height gauge;
step six: verifying the scribing knots by using a measuring tool;
step seven: and drawing a line drawing conclusion.
In the embodiment, the special assembly shaft penetrates through the punching hole at the circle center of the workpiece and is fixed through the clamping jaws.
The second embodiment is as follows: the colored dye in the first step is gentian violet dye.
Other embodiments are the same as the first embodiment.
Other embodiments are the same as the first embodiment.
The third concrete implementation mode: and the datum line in the second step comprises a height datum line, a circle center and a size line.
Other embodiments are the same as the first embodiment.
The fourth concrete implementation mode: the universal dividing head of the fourth step is a 135-type universal dividing head.
Other embodiments are the same as the first embodiment.
The fifth concrete implementation mode: when the scribing measures the bisector of a circle, the number of the handle is equal to the fixed number of the dividing head/the bisector of the workpiece.
The other embodiments are the same as the fourth embodiment.
The sixth specific implementation mode: when the scribing line measures the bisector of a circle, the number of the handle turns is n, and n is 40/z, wherein z is the bisector of the workpiece.
The other embodiments are the same as the fifth embodiment.
The seventh embodiment: when any angle is measured by scribing, the number of revolutions of the handle is equal to the number of degrees to be measured per circle of the universal dividing head.
The other embodiments are the same as the fourth embodiment.
The specific implementation mode is eight: when the scribing line is used for measuring any angle, the rotation number of the handle is m, wherein m is theta/9 degrees, and theta is the angle to be measured.
The other embodiments are the same as the seventh embodiment.
The specific implementation method nine: and the measuring tool in the sixth step comprises a caliper, an angle gauge and a compass.
Other embodiments are the same as the first embodiment.
The working principle is as follows: the 135 type universal indexing head handle swings 40 circles of the chuck to rotate 360 degrees, the rotation angle of the chuck is 9 degrees every circle of the swinging handle, the number of holes on the front surface of the indexing disc is 24, 25, 28, 30, 34, 37, 38, 39, 41, 42 and 43, and the number of holes on the back surface of the indexing disc is 46, 47, 49, 51, 53, 54, 57, 58, 59, 62 and 66. The use of different numbers of holes enables the angle to be divided accurately.
If the bisector of the circle is measured by drawing a line, the formula can be used:
the number of rotations of the handle n is 40 (index number)/z (workpiece equal division);
example (c): the upper die bosses of a die forging are uniformly distributed at 22.5 degrees and are led into a formula for 16 equal divisions of a circle: and n is 40/16 is 2.5 circles, 24 holes are selected for locking, and the handle rotates 2 circles and rotates 12 hole pitches again, namely, the indexing marking is finished once.
If any angle is measured by drawing a line, the formula can be used:
the number of handle revolutions n is equal to theta (the angle to be measured)/z (the number of workpiece halves).
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A marking inspection method for round and multi-angle shape forgings is characterized by comprising the following steps: it comprises the following steps:
the method comprises the following steps: the method comprises the following steps of (1) grinding burrs of a forged piece meeting a marking requirement, coloring the forged piece by using colored dye liquid, clamping the forged piece in a mode of combining a square box and a tip or in a mode of supporting by the tip alone, and fixing the forged piece on a marking inspection platform;
step two: correcting and leveling the workpiece by using a height gauge, and marking a reference line on the forged piece according to a drawing;
step three: fixing the workpiece on a universal dividing head on a platform by using an inner clamping jaw and an outer clamping jaw in the shape of the workpiece, and punching the circle center of the workpiece to assemble the workpiece by using a special assembly shaft when the clamping jaws cannot be assembled;
step four: calculating all index data according to the universal index head, and recording the revolution of the required handle;
step five: sequentially rotating the handles to the required degrees in sequence, and marking out the required dimension line by using the height gauge;
step six: verifying the scribing result by using a measuring tool;
step seven: and drawing a line drawing conclusion.
2. The method for checking the lineation of the circular and multi-angle-shaped forge piece according to claim 1, wherein the method comprises the following steps: the colored dye in the first step is gentian violet dye.
3. The method for checking the lineation of the circular and multi-angle-shaped forge piece according to claim 1, wherein the method comprises the following steps: and the datum line in the second step comprises a height datum line, a circle center and a size line.
4. The method for checking the lineation of the circular and multi-angle-shaped forge piece according to claim 1, wherein the method comprises the following steps: the universal dividing head of the fourth step is a 135-type universal dividing head.
5. The method for checking the lineation of the round and multi-angle-shaped forge piece according to claim 4, wherein the method comprises the following steps: when the scribing measures the bisector of a circle, the number of the handle is equal to the fixed number of the dividing head/the bisector of the workpiece.
6. The method for checking the lineation of the round and multi-angle-shaped forge piece according to claim 5, wherein the method comprises the following steps: when the scribing line measures the bisector of a circle, the number of the handle turns is n, and n is 40/z, wherein z is the bisector of the workpiece.
7. The method for checking the lineation of the round and multi-angle-shaped forge piece according to claim 4, wherein the method comprises the following steps: when any angle is measured by scribing, the number of revolutions of the handle is equal to the number of degrees to be measured per circle of the universal dividing head.
8. The method for checking the lineation of the circular and multi-angle-shaped forge piece according to claim 7, wherein the method comprises the following steps: when the scribing line is used for measuring any angle, the rotation number of the handle is m, wherein m is theta/9 degrees, and theta is the angle to be measured.
9. The method for checking the lineation of the circular and multi-angle-shaped forge piece according to claim 1, wherein the method comprises the following steps: and the measuring tool in the sixth step comprises a caliper, an angle gauge and a compass.
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| CN202011627832.8A CN112797863A (en) | 2020-12-30 | 2020-12-30 | Marking inspection method for circular and multi-angle-shaped forge piece |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011627832.8A CN112797863A (en) | 2020-12-30 | 2020-12-30 | Marking inspection method for circular and multi-angle-shaped forge piece |
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| CN2038834U (en) * | 1988-07-01 | 1989-06-07 | 国营涪江机器厂 | Multifunctional marking device |
| CN202062376U (en) * | 2011-02-10 | 2011-12-07 | 中国石油天然气股份有限公司 | Special scribing-free worktable for flange |
| CN202726906U (en) * | 2012-08-28 | 2013-02-13 | 天津达祥精密工业有限公司 | Three-jaw chuck for line-drawing |
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