CN114234758A - Detection tool for accurately positioning spinning wheel and use method - Google Patents
Detection tool for accurately positioning spinning wheel and use method Download PDFInfo
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- CN114234758A CN114234758A CN202111471549.5A CN202111471549A CN114234758A CN 114234758 A CN114234758 A CN 114234758A CN 202111471549 A CN202111471549 A CN 202111471549A CN 114234758 A CN114234758 A CN 114234758A
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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 a detection tool for accurately positioning a spinning wheel and a using method, belonging to the field of spinning manufacturing; the detection tool comprises a marking base, a marking needle, a swing arm, an adjusting screw and a strong magnet, wherein the marking base and the swing arm are connected through the adjusting screw to form a V-shaped tool, the V-shaped tool is clamped on the end face and the rear angle conical surface of a spinning wheel, the marking base and the swing arm are sucked and pressed on the spinning wheel through the suction force of the strong magnet, the marking needle is inserted into the central hole of the marking base, and the needle head of the marking needle points to the outer side. And respectively clamping the V-shaped tool on the left rotating wheel and the right rotating wheel, and respectively recording the coordinates of the left rotating wheel and the right rotating wheel when the conical vertex positions of the scribes on the two sides are superposed, namely the coordinate reference when the left rotating wheel and the right rotating wheel are completely synchronous. The invention can realize the strict synchronization of the two rotary wheels, better meets the process requirements and has higher quality stability of the obtained product. The problems of unstable product size and shape precision and high product quality fluctuation are solved.
Description
Technical Field
The invention belongs to the field of spinning manufacturing, and particularly relates to a detection tool for accurately positioning a spinning wheel and a use method.
Background
The shearing spinning and the common spinning can be used for processing and forming various curved generatrices and conical thin-wall revolved bodies, and have the advantages of high product precision, high production efficiency and low cost. The position relation between two or more spinning wheels in the shearing spinning and the common spinning process needs higher precision, so that the process is more reliable, and the product quality is ensured. However, the mold for products such as curved generatrices and the like is different from a cylindrical part, the mold often has a complex molded surface, and a large rotating wheel fillet is also required to be adopted in a general process, so that when the molded surface of the mold is in close contact with the rotating wheel fillet, the accurate position and the contact area of each rotating wheel are difficult to judge, and the position relation between two rotating wheels is difficult to be very accurate for the split type spinning machine suitable for shearing and spinning.
In the prior art, in the spinning process of a curved bus product, an indentation of a first rotary wheel in contact with a blank is generally used as a mark, other subsequent rotary wheels are in contact with the indentation of the blank one by one, an operator records the coordinates of each rotary wheel in a machine tool and determines the coordinates as the reference point of the rotary wheel and a die.
Disclosure of Invention
The technical problem to be solved is as follows:
in order to avoid the defects of the prior art, the invention provides a detection tool for accurately positioning rotating wheels and a use method thereof, and solves the problems that the positioning operation between the rotating wheels is inconvenient, the positioning precision is low and the product quality is influenced in the conventional curved bus product spinning process.
The technical scheme of the invention is as follows: the utility model provides a detect frock for spinning wheel accurate positioning which characterized in that: the V-shaped tool comprises a scribing base 1, a scribing needle 3, a swing arm 4, an adjusting screw 5 and a strong magnet 6, and is clamped on the end surface of a rotary wheel and a back angle conical surface;
the scribing base 1 is of an L-shaped structure, a through groove for mounting a strong magnet 6 is formed in the outer side surface of the upper end of a long support arm, a central hole is formed in the lower end of the long support arm along the central axis of the long support arm, a scribing needle 3 is coaxially mounted, and the axial direction of the scribing needle 3 is parallel to the end face of a rotary wheel; the front end surface of the short support arm is provided with a through hole, and the axial direction of the through hole is vertical to the axial direction of the central hole;
the swing arm 4 is of a cuboid structure, two parallel lugs are symmetrically arranged at one end of the swing arm, and coaxial through holes are formed in the two lugs; the two lug plates are clamped on two sides of the short supporting arm of the scribing base 1, so that the through hole of the lug plate is coaxially opposite to the through hole of the short supporting arm; the adjusting screw 5 sequentially penetrates through the lug and the through hole of the short supporting arm and is fastened into a whole through a nut;
the inner side surface of the long support arm of the marking base 1 is attached to the end surface of the spinning wheel, the inner side surface of the swing arm 4 is attached to the conical surface of the delta-degree back angle of the spinning wheel, the adjusting screw 5 and the nut are screwed, the marking base 1 and the swing arm 4 are sucked and pressed on the spinning wheel through the suction force of the strong magnet 6, and the needle head of the marking needle 3 points to the outside.
The further technical scheme of the invention is as follows: the outer side surface of the lower end of the long support arm of the scribing base 1 is provided with a threaded hole, the axial direction of the threaded hole is perpendicular to the central hole of the long support arm and is communicated with the central hole, a compression screw 2 is arranged in the threaded hole, and the scribing needle 3 in the central hole is fastened by applying radial pressure.
The further technical scheme of the invention is as follows: the outer side surface of the long support arm of the scribing base 1 is T-shaped, the upper part of the scribing base is provided with a rectangular through groove for mounting a strong magnet 6, and the lower part of the scribing base is provided with a central hole which is communicated with the bottom of the groove.
The further technical scheme of the invention is as follows: the distance from the root of the short support arm of the scribing base 1 to the central shaft of the through hole on the scribing base is larger than the radial thickness of the lug of the swing arm 4, so that interference is avoided.
The further technical scheme of the invention is as follows: the strong magnet 6 is a neodymium iron boron cuboid with the material brand N38.
The further technical scheme of the invention is as follows: the scribing needle 3 is a cylinder, and the needle head end of the scribing needle is a cone of 30 degrees.
A use method of a detection tool for accurately positioning a spinning wheel is characterized by comprising the following specific steps:
the method comprises the following steps: inserting the short supporting arm of the scribing base 1 between the two lugs of the swing arm 4, penetrating an adjusting screw 5 into through holes of the short supporting arm and the two lugs, and pre-tightening the adjusting screw by using a nut to connect the scribing base 1 and the swing arm 4 into a V-shaped structure;
step two: inserting the marking pin 3 into a central hole of the marking base 1, enabling the pin head to face outwards, and pressing and fixing the marking pin along the radial direction by using a pressing screw 2;
step three: mounting a V-shaped structure provided with a scribing needle 3 on a rotary wheel on the left side of a spinning machine, enabling the inner side surface of a long support arm of a scribing base 1 to be attached to the end surface of the rotary wheel, and the inner side surface of a swing arm 4 to be attached to a conical surface of a delta-degree relief angle of the rotary wheel, and locking an adjusting screw 5 and a nut at the moment to complete the assembly of a V-shaped tool; simultaneously, the strong magnet 6 is adsorbed in the through groove of the scribing base 1, and the strong magnet 6, the scribing base 1 and the swing arm 4 are integrally adsorbed on the left rotary wheel and tightly attached to the rotary wheel through the attraction force of the strong magnet 6;
step four: operating the spinning equipment to enable the left spinning wheel to be close to the position with the maximum curvature change of the curved bus mandrel, and enabling the conical vertex of the scribing needle 3 to be in contact with the surface of the mandrel; at the moment, the mandrel is rotated, so that the conical vertex of the scribing needle 3 draws an indentation on the circumference of the mandrel, and the coordinate of the left rotary wheel at the position is recorded; after the recording is finished, the left rotary wheel is retracted, the strong magnet 6 is disassembled, the V-shaped tool is integrally separated from the left rotary wheel, and the V-shaped angle is kept unchanged;
step five: mounting the V-shaped tooling separated from the left rotary wheel on the right rotary wheel in a mirror image manner, and enabling the inner side surface of the long support arm of the marking base 1 to be attached to the end surface of the rotary wheel and the inner side surface of the swing arm 4 to be attached to the conical surface of the delta-degree rear angle of the rotary wheel in the same manner; then adsorbing the strong magnet 6 in the through groove of the scribing base 1, and adsorbing the strong magnet 6, the scribing base 1 and the swing arm 4 on the right rotary wheel integrally and tightly attached to the rotary wheel through the attraction of the strong magnet 6;
step six: operating the spinning equipment to enable the conical vertex of the scribing needle 3 on the right spinning wheel to be close to the indentation on the curved bus mandrel, adjusting the coordinates of the right spinning wheel until the conical vertex and the indentation are completely overlapped, and recording the coordinates of the right spinning wheel at the position; the coordinate position recorded for 2 times is the coordinate reference when the left and right rotary wheels are completely synchronous.
The further technical scheme of the invention is as follows: in the fourth step, the width of the indentation on the circumference of the core mould is not more than 0.05mm, and the depth is not more than 0.03 mm.
The further technical scheme of the invention is as follows: the coordinate reference when the left and right rotary wheels are completely synchronous can be used for reference and compensation reference of the process and the operator during programming.
Advantageous effects
The invention has the beneficial effects that: in the spinning process of the conventional curved bus product, the method of using the indentation contacted with the blank as a mark when searching the accurate position of the spinning wheel is replaced, on one hand, the flatness of the sheet blank has errors and the positioning of the die has errors, so that the indentation is inaccurate as a reference, and the die is more accurate as the reference; on one hand, the plate material is cracked or has product quality problems in the spinning process of the final product due to the pressure marks, the plate material is difficult to deliver as a qualified product, and the mold has no influence on the product due to the pair of wheels.
When two large arc workpieces are contacted, an accurate contact point is difficult to position and find, and the problems of low accuracy and low efficiency of judging the contact point by depending on the visual observation of an operator and a chief officer are solved.
The coordinate reference when the left and right spinning wheels are completely synchronous is obtained through the coordinate positions recorded for 2 times, so that the two spinning wheels can be strictly synchronous, the process requirements can be better met, and the obtained product has higher quality stability. The problems of unstable product size and shape precision and high product quality fluctuation are solved. The datum can be used for datum and compensation references for the process, and for the operator during programming. The method can well keep the synchronous reference of the spinning wheel, avoids the spinning product from generating processing defects and quality fluctuation, and ensures stable and reliable quality of the processed product.
The angle between the base and the swing arm can be adjusted, the rotary wheel can be suitable for rotary wheels with different included angles on the front surface and the back surface, the application range is wide, the rotary wheel is convenient to assemble and disassemble in a magnet adsorption mode, and the rotary wheel is not easy to loosen in the using process.
The symmetry degree of the two spinning wheels based on the axis of the die can reach within 0.05mm, and the symmetry degree of experienced and skilled operators generally ranges from 0.2mm to 0.5mm by using the traditional operation method.
Drawings
FIG. 1 is a schematic view of a detection tool for precisely positioning a spinning wheel according to the present invention;
FIG. 2 is a schematic structural view of a detection tool for accurately positioning a spinning wheel according to the present invention;
FIG. 3 is a schematic view of the structure of the scribing pedestal according to the present invention;
FIG. 4 is a schematic structural view of a swing arm of the present invention;
fig. 5 is a schematic structural view of the scribing needle of the present invention.
Description of reference numerals: 1. the line drawing device comprises a line drawing base, 2. a compression screw, 3. a line drawing needle, 4. a swing arm, 5. an adjusting screw, 6. a strong magnet and 7. a rotary wheel.
Detailed Description
The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and 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 considered as limiting the present invention.
Referring to fig. 1 and 2, the detection tool for accurately positioning the spinning wheel comprises a scribing base 1, a scribing needle 3, a swing arm 4, an adjusting screw 5 and a strong magnet 6, which form a V-shaped tool and are clamped on the end surface and the rear angle conical surface of the spinning wheel;
the scribing base 1 is of an L-shaped structure, a through groove for mounting a strong magnet 6 is formed in the outer side surface of the upper end of a long support arm, a central hole is formed in the lower end of the long support arm along the central axis of the long support arm, a scribing needle 3 is coaxially mounted, and the axial direction of the scribing needle 3 is parallel to the end face of a rotary wheel; the front end surface of the short support arm is provided with a through hole, and the axial direction of the through hole is vertical to the axial direction of the central hole; the outer side surface of the lower end of the long support arm of the marking base 1 is provided with a threaded hole, the axial direction of the threaded hole is perpendicular to the central hole of the long support arm and is communicated with the central hole, a compression screw 2 is arranged in the threaded hole, and the marking needle 3 in the central hole is applied with radial pressure to fasten the marking needle 3.
The swing arm 4 is of a cuboid structure, two parallel lugs are symmetrically arranged at one end of the swing arm, and coaxial through holes are formed in the two lugs; the two lug plates are clamped on two sides of the short supporting arm of the scribing base 1, so that the through hole of the lug plate is coaxially opposite to the through hole of the short supporting arm; the adjusting screw 5 sequentially penetrates through the through holes of the lug and the short supporting arm and is fastened into an integral structure through a nut;
the inner side surface of the long support arm of the marking base 1 is attached to the end surface of the spinning wheel, the inner side surface of the swing arm 4 is attached to the conical surface of the delta-degree back angle of the spinning wheel, the adjusting screw 5 and the nut are screwed, the marking base 1 and the swing arm 4 are sucked and pressed on the spinning wheel through the suction force of the strong magnet 6, and the needle head of the marking needle 3 points to the outside.
Examples
The known process requires that the fillet of the spinning wheel is R25 +/-0.05 mm, the back angle of the spinning wheel is 25 +/-1', the equipment is a double-spinning-wheel spinning machine, and the double-spinning wheels on the left side and the right side are required to be spun synchronously.
Referring to fig. 1 and 2, the invention comprises a base 1, a compression screw 2, a scribing needle 3, a swing arm 4, an adjusting screw 5 and a strong magnet 6, wherein the base 1 and the swing arm 4 can be tightly attached to the front end surface and the rear conical surface of a spinning wheel through the adjustment and fastening of the adjusting screw and a nut 5.
Referring to fig. 3, the side surface of the scribing base 1 is L-shaped, the included angle of the long and short supporting arms is 90 degrees, the height of the outer contour is 70mm, and the total length is 30 mm.
The L-shaped long supporting arm of the base 1 is 15mm long and 70mm high, and the short supporting arm is 28mm long and 14mm high; the front surface of the base 1 is in a T shape symmetrical along the center, the width of the big end is 40mm, the height of the big end is 45mm, and the center of the big end is provided with a through groove which is 30mm wide and 11mm deep along the direction of the small end; the front small end of the base 1 is 16mm wide, and the center of the end surface of the small end is provided with a part which penetrates through the small end along the height direction and is 7.5mm along the length direction
A through hole; a threaded hole (thread pitch 1, precision 6h) of M5 is arranged at the position 14mm close to the end face of the small end in the center of the front face of the small end, and the threaded hole penetrates through the front face of the small end and penetrates through a through hole with the diameter of 5 mm.
The bottom surface of the L-shaped short support arm of the base 1 is also in a T shape with central symmetry, the large end of the T shape is the end surface of the T-shaped small end on the front surface of the L-shaped long edge, and the width of the T-shaped small end of the short edge is
The height is 14mm, the length is 15mm, a through hole phi 6.5mm is arranged at the position of 9mm in the length direction and 7mm in the height direction, and the outer contour chamfer C0.5mm of the base is formed.
Referring to fig. 4, the swing arm 4 is composed of a cuboid and a cylinder, the outer diameter of the cylinder is phi 14mm, the concentric inner hole is a through hole phi 6.5mm, and the height of the cylinder is 13 mm; extend a cuboid along the radius direction on the cylinder circumference, keep away from the terminal surface at cylinder center on the cuboid apart from cylinder axle center 70mm, the cuboid passes through the arc surface of R5 with the cylinder circumference excessively, and the distance of cuboid and two excessive planar of cylinder is 6mm, keeps away from the one end of the cylinder centre of a circle to centre of a circle direction on the cuboidThe height to the range of 60mm is 8mm, and the central height thereof is consistent with the central height of the cylinder. The cylinder is provided with an arc groove coaxial with the cylinder at the height center, the diameter of the arc groove is 14mm, and the height of the arc groove
Two tabs constituting the swing arm 4.
The strong magnet 6 is a neodymium iron boron cuboid of a material brand N38, and is 28mm long, 55mm high and 20mm wide.
The compression screw 2 is M5 multiplied by 1 multiplied by 7.5 standard WJ 1478.46-2007.
The scribing needle 3 is a cylinder with the diameter phi of 5mm and the length of 60mm, and one end of the cylinder is a cone with the angle of 30 degrees.
The adjusting screw and nut 5, M6 multiplied by 20, GBT 70.1-2008; hexagonal thin nuts M6, GB/T6172.1-2016.
When the device is used, the short supporting arm of the base 1 is inserted into the arc groove of the swing arm 4, the adjusting screw 5 penetrates through the central holes with phi of 6.5mm, and the two holes are pre-tightened by a thin nut M6, so that the base 1 and the swing arm 4 are connected and pre-tightened into a V shape; inserting the scribing needle 3 into a through hole phi 6.5mm of the base 1, enabling the conical end to be outward, and pressing the scribing needle 3 through an M5 threaded hole in the base 1 by using a compression screw 2; install this V-arrangement device on the left spinning wheel of spinning-lathe, make the long limit laminating spinning wheel terminal surface of L of base 1, swing arm 4 closely laminates the conical surface of 25 relief angles of spinning wheel, locking adjusting screw 5 and thin nut this moment to adsorb strong magnet 6 in base 1's logical groove, make strong magnet 6 and base 1 and swing arm 4 whole adsorb on spinning wheel terminal surface and closely laminate the spinning wheel. And operating the spinning equipment to enable the left spinning wheel to be close to the position with the maximum curvature change of the curved bus mandrel, enabling the conical vertex of the scriber 3 to be in contact with the surface of the mandrel, enabling the conical vertex of the scriber 3 to scribe an indentation on the circumference of the mandrel by rotating the mandrel, enabling the width of the indentation to be not more than 0.05mm and the depth to be not more than 0.03mm, recording the coordinate of the left spinning wheel at the position, retracting the spinning wheel after recording, and disassembling a strong magnet to enable the V-shaped device connected with the base 1 and the swing arm 4 to be integrally separated from the spinning wheel and keep the angle of the V-shaped to be unchanged.
Install this V-arrangement device on the gyro wheel terminal surface on right side, make the long limit laminating of L of base 1 gyro wheel terminal surface soon, swing arm 4 closely laminates the conical surface of gyro wheel 25 relief angles to adsorb strong magnet 6 in base 1's logical groove, make strong magnet 6 and base 1 and swing arm 4 wholly adsorb on gyro wheel terminal surface and closely laminate the gyro wheel. And operating the spinning equipment to enable the conical vertex of the scribing needle 3 of the V-shaped device on the right spinning wheel to be close to the indentation on the curved bus mandrel, adjusting the coordinates of the spinning wheel until the conical vertex and the indentation are completely overlapped, and recording the coordinates of the right spinning wheel at the position. That is, the coordinate positions recorded for 2 times are the coordinate reference when the left and right side rotary wheels are completely synchronous, and the reference can be used for the reference and compensation reference of the process and the operator in programming. The method can well keep the synchronous reference of the rotary wheels with different R angles and back angles, avoids the processing defects and quality fluctuation of the rotary products, and ensures that the processed products have stable and reliable quality.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made in the above embodiments by those of ordinary skill in the art without departing from the principle and spirit of the present invention.
Claims (9)
1. The utility model provides a detect frock for spinning wheel accurate positioning which characterized in that: the V-shaped tool comprises a scribing base (1), a scribing needle (3), a swing arm (4), an adjusting screw (5) and a strong magnet (6), and is clamped on the end surface of a rotary wheel and a back angle conical surface;
the scribing base (1) is of an L-shaped structure, a through groove for mounting a strong magnet (6) is formed in the outer side surface of the upper end of a long supporting arm, a central hole is formed in the lower end of the long supporting arm along the central shaft of the long supporting arm, the central hole is identical to a coaxially mounted scribing needle (3), and the axial direction of the scribing needle (3) is parallel to the end face of the rotary wheel; the front end surface of the short support arm is provided with a through hole, and the axial direction of the through hole is vertical to the axial direction of the central hole;
the swing arm (4) is of a cuboid structure, two parallel lugs are symmetrically arranged at one end of the swing arm, and coaxial through holes are formed in the two lugs; the two lugs are clamped on two sides of the short supporting arm of the scribing base (1) so that the through hole of the lug is coaxially opposite to the through hole of the short supporting arm; the adjusting screw (5) sequentially penetrates through the through holes of the lug and the short supporting arm and is fastened into an integral structure through a nut;
the inner side surface of the long support arm of the marking base (1) is attached to the end surface of a spinning wheel, the inner side surface of the swing arm (4) is attached to the conical surface of the delta-degree rear angle of the spinning wheel, an adjusting screw (5) and a nut are screwed, the marking base (1) and the swing arm (4) are sucked and pressed on the spinning wheel through the suction force of a strong magnet (6), and the needle head of the marking needle (3) points to the outside.
2. The detection tool for accurately positioning the spinning wheel according to claim 1, characterized in that: the outer side surface of the lower end of the long support arm of the scribing base (1) is provided with a threaded hole, the axial direction of the threaded hole is perpendicular to the central hole of the long support arm and is communicated with the central hole, a compression screw (2) is arranged in the threaded hole, and radial pressure is applied to a scribing needle (3) in the central hole to fasten the scribing needle (3).
3. The detection tool for accurately positioning the spinning wheel according to claim 1, characterized in that: the outer side surface of the long support arm of the scribing base (1) is T-shaped, the upper part of the scribing base is provided with a rectangular through groove for mounting a strong magnet (6), the lower part of the scribing base is provided with a central hole, and the central hole is communicated with the bottom of the groove.
4. The detection tool for accurately positioning the spinning wheel according to claim 1, characterized in that: the distance from the root of the short support arm of the scribing base (1) to the central shaft of the through hole on the scribing base is larger than the radial thickness of the lug of the swing arm (4), so that interference is avoided.
5. The detection tool for accurately positioning the spinning wheel according to claim 1, characterized in that: the strong magnet (6) is a neodymium iron boron cuboid with the material brand N38.
6. The detection tool for accurately positioning the spinning wheel according to claim 1, characterized in that: the scribing needle (3) is a cylinder, and the needle head end of the scribing needle is a cone of 30 degrees.
7. The use method of the detection tool for the precise positioning of the spinning wheel according to any one of claims 1 to 6 is characterized by comprising the following specific steps:
the method comprises the following steps: inserting the short supporting arm of the scribing base (1) between the two lugs of the swing arm (4), penetrating an adjusting screw (5) into through holes of the short supporting arm and the swing arm, pre-tightening the adjusting screw by using a nut, and connecting the scribing base (1) and the swing arm (4) into a V-shaped structure;
step two: inserting the marking needle (3) into a central hole of the marking base (1), wherein the needle head faces outwards and is compressed and fixed by a compression screw (2) along the radial direction;
step three: mounting a V-shaped structure provided with a scribing needle (3) on a spinning wheel on the left side of a spinning machine, enabling the inner side surface of a long support arm of a scribing base (1) to be attached to the end surface of the spinning wheel, and the inner side surface of a swing arm (4) to be attached to a conical surface of a delta-degree relief angle of the spinning wheel, and locking an adjusting screw (5) and a nut at the moment to complete the assembly of a V-shaped tool; simultaneously, a strong magnet (6) is adsorbed in a through groove of the scribing base (1), and the strong magnet (6), the scribing base (1) and the swing arm (4) are integrally adsorbed on the left rotary wheel and tightly attached to the rotary wheel through the attraction of the strong magnet (6);
step four: operating the spinning equipment to enable the left spinning wheel to be close to the position with the maximum curvature change of the curved bus mandrel, and enabling the conical vertex of the scribing needle (3) to be in contact with the surface of the mandrel; at the moment, the mandrel is rotated, so that the conical vertex of the scribing needle (3) draws an indentation on the circumference of the mandrel, and the coordinate of the left rotary wheel at the position is recorded; after the recording is finished, the left rotary wheel is retracted, and the strong magnet (6) is disassembled, so that the V-shaped tool is integrally separated from the left rotary wheel, and the V-shaped angle is kept unchanged;
step five: mounting the V-shaped tooling separated from the left rotary wheel on the right rotary wheel in a mirror image manner, and enabling the inner side surface of the long support arm of the marking base (1) to be attached to the end surface of the rotary wheel and the inner side surface of the swing arm (4) to be attached to the conical surface of the delta-degree rear angle of the rotary wheel; then adsorbing the strong magnet (6) in the through groove of the scribing base (1), and adsorbing the strong magnet (6), the scribing base (1) and the swing arm (4) on the right rotary wheel through the attraction of the strong magnet (6) and tightly attaching to the rotary wheel;
step six: operating the spinning equipment to enable the conical vertex of the scribing needle (3) on the right spinning wheel to be close to the indentation on the curved bus mandrel, adjusting the coordinates of the right spinning wheel until the conical vertex and the indentation are completely overlapped, and recording the coordinates of the right spinning wheel at the position; the coordinate position recorded for 2 times is the coordinate reference when the left and right rotary wheels are completely synchronous.
8. The use method of the detection tool for accurately positioning the spinning wheel according to claim 7, characterized in that: in the fourth step, the width of the indentation on the circumference of the core mould is not more than 0.05mm, and the depth is not more than 0.03 mm.
9. The use method of the detection tool for accurately positioning the spinning wheel according to claim 7, characterized in that: the coordinate reference when the left and right rotary wheels are completely synchronous can be used for reference and compensation reference of the process and the operator during programming.
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| CN114234758B (en) | 2024-07-05 |
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