CN110116337B - Allowance inspection and scribing tool for heavy-duty fan base blank and using method thereof - Google Patents
Allowance inspection and scribing tool for heavy-duty fan base blank and using method thereof Download PDFInfo
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- CN110116337B CN110116337B CN201910445854.3A CN201910445854A CN110116337B CN 110116337 B CN110116337 B CN 110116337B CN 201910445854 A CN201910445854 A CN 201910445854A CN 110116337 B CN110116337 B CN 110116337B
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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
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/20—Arrangements for observing, indicating or measuring on machine tools for indicating or measuring workpiece characteristics, e.g. contour, dimension, hardness
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25H—WORKSHOP EQUIPMENT, e.g. FOR MARKING-OUT WORK; STORAGE MEANS FOR WORKSHOPS
- B25H7/00—Marking-out or setting-out work
- B25H7/04—Devices, e.g. scribers, for marking
- B25H7/045—Devices, e.g. scribers, for marking characterised by constructional details of the marking elements
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention relates to a residual quantity inspection and scribing tool for a heavy-duty fan base blank, which comprises a base plate, a base plate and a base plate, wherein the base plate is provided with a base plate and is provided with a base plate: the base blank positioning device comprises a fixing seat provided with a fixing platform, wherein a coarse positioning device for realizing the preliminary positioning of the base blank, a position adjusting device for adjusting the placing position of the base blank, a position calibrating device for calibrating the placing position of the base blank and a marking auxiliary device for marking by matching with a height ruler are arranged on the fixing platform. The invention also relates to a using method of the blank allowance inspection and scribing tool for the heavy-duty fan base. The invention has the advantages that: the blank allowance inspection requirement of the heavy-duty fan base can be met, the inspection efficiency is high, the inspection cost is low, and the scribing is convenient.
Description
Technical Field
The invention relates to an auxiliary device for workpiece scribing operation, in particular to a tool for checking and scribing allowance of a heavy-duty fan base blank and a using method thereof.
Background
The base of the wind generating set is an important component in the wind generating set, and the main function of the base is to fix related components such as a bearing seat, a gear box and the like in the whole wind generating set transmission system. At present, the weight of the base of the wind generating set with the grade of 2MW is about 10 tons, and the casting cost is high, so that the allowance of each part of a base blank can be checked before machining, and after the situations of insufficient allowance of the blank, meat deficiency and the like are found, operators can take relevant remedial measures such as borrowing and the like before a cutter is moved on the base blank.
The existing method for checking the blank allowance of the heavy fan base mainly comprises the following steps: 1. the method has the advantages that the cost is high, the report time is long, and the method is often applied to inspection in first-order and small-batch production. 2. The method comprises the steps of checking the allowance of the base blank by using a main shaft of a machine tool, matching the main shaft with an angle square, checking the allowance of the base blank, and intuitively reflecting the allowance in a mode of scribing the surface of the base blank.
Currently, manufacturers adopt the 2 nd method to perform batch inspection on the base blanks and then directly perform subsequent processing production, but in order to increase the productivity, some manufacturers need to send part of the base blanks to be processed in an out-of-coordination manner, and before sending the base blanks to be processed in an out-of-coordination manner, the manufacturers need to perform residual inspection on the base blanks so as to ensure that the quality of the base blanks sent to be processed in the out-of-coordination manner is qualified, and obviously, the 2 nd method is no longer suitable for the residual inspection on the base blanks sent to be processed in the out-of-coordination manner, so that a residual inspection and scribing tool for the base blanks of a heavy fan is urgently needed.
Disclosure of Invention
One of the technical problems to be solved by the invention is to provide the allowance checking and scribing tool for the blank of the heavy-duty fan base, which can meet the allowance checking requirement of the blank of the heavy-duty fan base, has high checking efficiency and low checking cost, and is convenient to scribe.
In order to solve the technical problems, the invention provides a residual quantity inspection and scribing tool for a heavy-duty fan base blank with the following structure: the device comprises a fixed seat provided with a fixed platform, wherein the fixed platform is provided with a coarse positioning device, a position adjusting device, a position calibrating device and a scribing auxiliary device;
the coarse positioning device is used for realizing preliminary positioning of the placement position of the base blank when the base blank is placed on the fixed platform;
the position adjusting device is used for driving the base blank, so that the base blank can transversely move and vertically move on the fixed platform, and the adjustment of the placing position of the base blank is realized;
the position calibration device is used for calibrating the final placement position of the base blank, so as to realize accurate positioning of the placement position of the base blank;
the scribing auxiliary device is used for providing various scribing references so as to facilitate scribing of the height ruler on the base blank.
After adopting above-mentioned structure, compare with prior art, the surplus inspection of heavy fan base blank and marking tool of this invention has following advantage: the allowance inspection and scribing tool for the heavy fan base blank can meet the allowance inspection requirement of the base blank, and is high in inspection efficiency, low in inspection cost and convenient to scribe.
The invention relates to a allowance checking and scribing tool for a heavy fan base blank, wherein a rough positioning device comprises at least three transverse rough positioning pieces which are not in the same straight line, the transverse rough positioning pieces are connected to a fixed platform, vertical guide rods are arranged on the transverse rough positioning pieces, and the base blank can gradually slide downwards from top to bottom against the side walls of all the vertical guide rods in the process of placing the base blank on the fixed platform until the base blank is completely placed on the fixed platform.
The structure is simple in structure and convenient to operate, so that the allowance checking efficiency of the base blank can be further improved, the checking cost is low, and scribing is convenient.
The invention relates to a allowance inspection and scribing tool for a heavy-duty fan base blank, wherein a position adjusting device comprises eight transverse position adjusting pieces and at least three height position adjusting pieces which are not on the same straight line;
eight transverse position adjusting parts are arranged on the fixed platform and are respectively positioned at the front side two ends, the rear side two ends, the left side two ends and the right side two ends of the base blank placing position, each transverse position adjusting part comprises a transverse adjusting seat and a transverse adjusting bolt, the transverse adjusting seats are connected to the fixed platform, transverse threaded holes matched with the transverse adjusting bolts are formed in the transverse adjusting seats, when the transverse adjusting bolts are rotated, one ends of the transverse adjusting bolts can be close to or far away from the base blank, and when one ends of the transverse adjusting bolts are gradually close to and abut against the base blank in the rotating process, corresponding parts of the base blank can move forwards or backwards or leftwards or rightwards under the pushing of the transverse adjusting bolts so as to realize transverse adjustment of the base blank placing position;
All height position adjustment spare all set up on fixed platform to be located base blank and place the position below, every height position adjustment spare lower part is equipped with vertical screw rod, be equipped with a plurality of vertical screw holes with vertical screw rod matched with on the fixed platform, when rotating height position adjustment spare, the upper portion of height position adjustment spare can reciprocate on fixed platform, and make its upper end be close to gradually and support after on the bottom surface of base blank in the rotation in-process when height position adjustment spare, the base blank can be upwards or downward vertical movement under the promotion of height position adjustment spare, in order to realize the vertical adjustment to base blank place the position.
The structure is simple in structure and convenient to operate, so that the allowance checking efficiency of the base blank can be further improved, the checking cost is low, and scribing is convenient.
The invention relates to a allowance checking and scribing tool for a heavy fan base blank, wherein a coarse positioning device comprises at least three vertical coarse positioning pieces which are not on the same straight line, all the vertical coarse positioning pieces are arranged on a fixed platform and are positioned below a base blank placing position, when the base blank is just placed on the fixed platform, the upper ends of all the vertical coarse positioning pieces are propped against the bottom surface of the base blank, and the upper ends of all height position adjusting pieces are not contacted with the bottom surface of the base blank.
The structure can reduce the adjustment distance of the height position adjusting piece, so that the operation of the height position adjusting piece is more convenient, the allowance checking efficiency of the base blank can be further improved, the contact area between the base blank and the fixed platform can be effectively reduced, and the base blank can be conveniently and primarily positioned to move transversely.
The invention relates to a blank allowance inspection and scribing tool for a heavy fan base, wherein a position calibration device comprises at least three leveling pieces and four center calibration pieces which are not on the same straight line;
all leveling pieces are arranged on the fixed platform and are positioned at the outer side of the placing position of the base blank, each leveling piece comprises a leveling seat and a leveling stop block, the leveling seats are connected to the fixed platform, the leveling stop blocks are transversely arranged, one ends of the leveling stop blocks are rotatably connected with the upper ends of the leveling seats, after the base blank is placed on the fixed platform, one ends of the leveling stop blocks can be rotated to the position above a height reference surface on the base blank, and accurate positioning of the placing height of the base blank and leveling of the height reference surface can be realized by matching with a position adjusting device;
the four center calibration pieces are connected to the fixed platform and are respectively positioned in the middle of the front side, the middle of the rear side, the middle of the left side and the middle of the right side of the base blank placement position and used for calibrating the center positions of the four parts of the front side, the rear side, the left side and the right side of the bottom plate of the base blank so as to match with the position adjusting device to realize accurate positioning of the transverse placement position of the base blank.
The structure is simple in structure and convenient to operate, so that the allowance checking efficiency of the base blank can be further improved, the checking cost is low, and scribing is convenient.
The invention discloses a residual quantity inspection and scribing tool for a heavy fan base blank, wherein a position calibration device further comprises at least one secondary calibration piece, the secondary calibration piece comprises a secondary calibration seat and a calibration sliding block, the secondary calibration seat is connected to a fixed platform and is positioned at the outer side of a base blank placing position, a transverse sliding hole is formed in the secondary calibration seat, the calibration sliding block is transversely arranged and is slidingly connected in the transverse sliding hole, one end of the calibration sliding block, which faces the base blank, is provided with a center, and when the calibration sliding block slides towards the direction of the base blank, the center can be propped against a corresponding secondary calibration surface on the base blank so as to realize accurate positioning of the base blank transverse placing position and the placing height by matching with a position adjustment device.
The structure is simple in structure and convenient to operate, so that the allowance checking efficiency of the base blank can be further improved, the checking cost is low, the scribing is convenient, the positioning accuracy of the base blank placing position can be further improved, and the allowance checking of the base blank is more accurate.
The invention discloses a allowance checking and scribing tool for a heavy fan base blank, wherein a scribing auxiliary device comprises a central scribing backup plate arranged on each central calibration piece, wherein a central scribing datum plane which is vertically arranged is arranged on the central scribing backup plate and is used for being matched with a height ruler so as to facilitate the height ruler to scribe a central line on the corresponding side wall of the base blank.
The structure is simple in structure and convenient to operate, so that the allowance checking efficiency of the base blank can be further improved, the checking cost is low, and scribing is convenient.
The invention discloses a allowance inspection and scribing tool for a heavy fan base blank, wherein a plurality of side scribing seats of a scribing auxiliary device are arranged, all the side scribing seats are positioned at the outer sides of the base blank placing positions, the side scribing seats are connected to a fixed platform, a side scribing backup plate is arranged on the side scribing seats, a side scribing datum plane is arranged on the side scribing backup plate, each side scribing datum plane corresponds to one of the side surfaces of the base blank, which need to be subjected to allowance inspection, and each side scribing datum plane is positioned at one side of the corresponding side surface and is parallel to the corresponding side surface.
The structure is simple in structure and convenient to operate, so that the allowance checking efficiency of the base blank can be further improved, the checking cost is low, and scribing is convenient.
The invention discloses a allowance checking and scribing tool for a heavy fan base blank, which comprises a plurality of fixed slide bars and a plurality of boring inspection plates, wherein the fixed slide bars are vertically arranged, the lower ends of the fixed slide bars are connected to a fixed platform, the boring inspection plates are round, vertical slide holes matched with the fixed slide bars are formed in the boring inspection plates, the boring inspection plates can be sleeved on the fixed slide bars from the upper ends of the fixed slide bars and are in sliding fit with the fixed slide bars, and when the base blank is placed on the fixed platform, all the fixed slide bars are respectively positioned in one motor boring hole on the base blank.
The structure is simple in structure and convenient to operate, so that the allowance checking efficiency of the base blank can be further improved, the checking cost is low, the scribing is convenient, and the allowance checking of the base blank can be more accurate.
The invention aims to solve the other technical problem of providing the use method of the residual quantity inspection and scribing tool for the heavy-duty fan base blank, which can meet the residual quantity inspection requirement of the heavy-duty fan base blank, has high inspection efficiency and low inspection cost, and is convenient to scribe.
In order to solve the technical problems, the invention provides a using method of a blank allowance inspection and scribing tool of a heavy-duty fan base, which has the following structure: comprising the following steps: s1, placing a fixed seat on a flat ground, and enabling the direction of the fixed platform to be upward;
s2, rotating the height position adjusting parts to enable all the height position adjusting parts to be positioned at the lowest end; rotating the transverse adjusting bolts to enable all the transverse adjusting bolts to be integrally separated from the placement position of the base blank; rotating the leveling stop blocks to enable all leveling stop blocks to be integrally separated from the base blank placing positions; sliding the calibration slide block to enable the whole calibration slide block to leave the placement position of the base blank; removing all boring inspection plates;
s3, gradually putting down the base blank from the upper part of the fixed platform until the bottom surface of the base blank is pressed at the upper ends of all the vertical rough positioning pieces, and enabling the base blank to always lean against the side walls of all the vertical guide rods and gradually slide downwards in the process;
s4, one end of each leveling block is rotated to the position above a height reference surface on the base blank, and then the height position adjusting piece is rotated to enable all the height position adjusting piece to move upwards, so that the base blank is lifted until the height reference surface on the base blank is contacted with at least three leveling blocks, and the spacing distance between the height reference surface and the rest leveling blocks is not more than a certain value a; in the process of adjusting the height position adjusting piece, all the calibrating sliding blocks are moved, so that all the centers are respectively propped against the corresponding secondary calibrating surfaces on the base blank, and the deviation of the distance between the center of each center and the upper and lower center line of the corresponding secondary calibrating surface is not more than a certain value b;
S5, measuring the width of the front end of the base blank by using a tape measure, then dividing the value of the width by two to obtain a target value, rotating transverse adjusting bolts at two ends of the front side of the base blank, adjusting the left and right placement positions of the front end of the base blank, enabling the distances between the center marking reference surface on the center calibration piece at the front side of the base blank and the left and right sides of the front end of the base blank to trend towards the target value, and adjusting the left and right placement positions of the rear end of the base blank, the front and rear placement positions of the left end of the base blank and the front and rear placement positions of the right end of the base blank until the distance deviation between the two sides of each end of the base blank and the corresponding center marking reference surface is not more than a certain value c; meanwhile, the distance deviation between the center of each center and the left and right branch lines or the front and rear branch lines of the corresponding secondary calibration surface is not more than a certain value d;
s6, checking the allowance of each part of the base blank and scribing, wherein the method specifically comprises the following steps of:
taking a height datum plane on the base blank as a datum, and checking the allowance of the end faces to be checked on the bottom surface and the upper end of the base blank by using a height ruler and matching with a sample punch; taking the scribing reference surface of each side surface as a reference, using a height ruler and matching with a sample punch to test the allowance of each corresponding side surface of the base blank needing allowance test; sleeving all the boring inspection plates on each fixed slide rod respectively, and pressing the lower ends of the boring inspection plates on the openings of the upper ends of the corresponding motor boring holes so as to inspect the allowance of each motor boring hole;
Then, according to the residual quantity test result, the placing position of the base blank is properly adjusted so as to achieve the purpose of properly adjusting the borrowing materials, and the residual quantity of each part of the base blank is uniform;
then, the height ruler is leaned against the upper end face of the fixed platform, and the bottom surface alignment line, the bottom surface processing line and the processing line of the end face to be inspected at the upper end of the base blank are marked on the base blank by the height ruler in a sliding mode; the height ruler is leaned against the center marking datum plane, and the center line of the transverse placing position is marked on the corresponding side surface of the base blank by the height ruler in a sliding mode; and (3) the height ruler is abutted against the scribing datum plane of each side face, and the machining lines are scribed on the corresponding side face of the base blank, which needs to be subjected to the allowance inspection, in a sliding mode by using the height ruler.
After the method is adopted, compared with the prior art, the using method of the residual quantity inspection and scribing tool for the heavy-duty fan base blank has the following advantages: the using method of the blank allowance inspection and scribing tool for the heavy fan base can meet the blank allowance inspection requirement of the base, and is high in inspection efficiency, low in inspection cost and convenient to scribe.
Drawings
FIG. 1 is a schematic view of the three-dimensional structure of a blank allowance inspection and scribing tool for a heavy-duty fan base of the invention;
FIG. 2 is an enlarged view of region F of FIG. 1;
FIG. 3 is a schematic view of the perspective structural outline of a prior heavy duty fan base blank in accordance with the present invention;
fig. 4 is a schematic view of the perspective structural outline of the prior heavy-duty fan base blank according to the present invention when placed on the allowance checking and scribing tool of the heavy-duty fan base blank according to the present invention.
Reference numerals illustrate: 1. a fixing seat; 2. a fixed platform; 3. a base blank; 4. a transverse rough positioning piece; 5. a vertical guide rod; 6. a large through hole; 7. a lateral position adjusting member; 8. a height position adjusting member; 9. a transverse adjusting seat; 10. a transverse adjusting bolt; 11. a transverse threaded hole; 12. a vertical screw; 13. a vertical threaded hole; 14. an outer hexagonal portion; 15. vertical rough positioning pieces; 16. leveling members; 17. a center calibration piece; 18. leveling base; 19. leveling the stop block; 20. a height reference surface; 21. a bottom plate; 22. a secondary calibration member; 23. a secondary calibration seat; 24. calibrating the sliding block; 25. a transverse slide hole; 26. a center; 27. a secondary calibration surface; 28. a lateral projection; 29. a center scribing fence; 30. a center scribing datum plane; 31. a side scribing seat; 32. side scribing backup plate; 33. a reference surface is marked on the side surface; 34. a rear end face; 35. fixing the slide bar; 36. boring a checking plate; 37. a vertical slide hole; 38. boring a motor; 39. and a jack.
Detailed Description
The invention relates to a blank allowance inspection and scribing tool for a heavy-duty fan base and a use method thereof, and further provides a detailed description of the blank allowance inspection and scribing tool for the heavy-duty fan base and the use method thereof.
Example 1:
as shown in fig. 1 to 4, the allowance checking and scribing tool for the heavy-duty fan base blank in the embodiment comprises a fixed seat 1 provided with a fixed platform 2, wherein the fixed platform 2 is provided with a coarse positioning device, a position adjusting device, a position calibrating device and a scribing auxiliary device;
the coarse positioning device is used for realizing preliminary positioning of the placement position of the base blank 3 when the base blank 3 is placed on the fixed platform 2;
the position adjusting device is used for driving the base blank 3, so that the base blank 3 can transversely move and vertically move on the fixed platform 2, and the placing position of the base blank 3 is adjusted;
the position calibration device is used for calibrating the final placement position of the base blank 3, so as to realize accurate positioning of the placement position of the base blank 3;
the scoring assist device is used to provide various scoring references to facilitate the scoring of the height gauge around the base stock 3.
Preferably, the coarse positioning device comprises at least three transverse coarse positioning pieces 4 which are not on the same straight line, the transverse coarse positioning pieces 4 are connected to the fixed platform 2, vertical guide rods 5 are arranged on the transverse coarse positioning pieces 4, and in the process that the base blank 3 is placed on the fixed platform 2, the base blank 3 can gradually slide downwards from top to bottom against the side walls of all the vertical guide rods 5 until the base blank 3 is completely placed on the fixed platform 2; in this embodiment, the number of horizontal coarse positioning pieces 4 is three, and wherein two horizontal coarse positioning pieces 4 set up respectively in the front end both sides of base blank 3 place the position for with the cooperation of base blank 3's front end lateral wall, can realize placing the preliminary location of position about base blank 3, another horizontal coarse positioning piece 4 sets up in base blank 3 place the position department, and is cylindrically for with the inside wall cooperation of big through-hole 6 on the base blank 3, can realize placing the preliminary location of position around the base blank 3.
Preferably, the position adjustment means comprise eight lateral position adjustment members 7 and at least three height position adjustment members 8 which are not in the same line;
eight transverse position adjusting pieces 7 are arranged on the fixed platform 2 and are respectively positioned at the front side two ends, the rear side two ends, the left side two ends and the right side two ends of the placing position of the base blank 3, each transverse position adjusting piece 7 comprises a transverse adjusting seat 9 and a transverse adjusting bolt 10, the transverse adjusting seats 9 are connected on the fixed platform 2, transverse threaded holes 11 used for being matched with the transverse adjusting bolts 10 are formed in the transverse adjusting seats 9, when the transverse adjusting bolts 10 are rotated, one ends of the transverse adjusting bolts 10 can be close to or far from the base blank 3, and when one ends of the transverse adjusting bolts 10 are gradually close to and abut against the base blank 3 in the rotating process, corresponding parts of the base blank 3 can move forwards or backwards or leftwards or rightwards under the pushing of the transverse adjusting bolts 10 so as to realize transverse adjustment of the placing position of the base blank 3;
all the height position adjusting parts 8 are arranged on the fixed platform 2 and are positioned below the placement positions of the base blanks 3, vertical screw rods 12 are arranged at the lower part of each height position adjusting part 8, a plurality of vertical threaded holes 13 matched with the vertical screw rods 12 are formed in the fixed platform 2, when the height position adjusting parts 8 are rotated, the upper parts of the height position adjusting parts 8 can move up and down on the fixed platform 2, and when the height position adjusting parts 8 gradually approach and abut against the bottom surfaces of the base blanks 3 in the rotating process, the base blanks 3 can move vertically upwards or downwards under the pushing of the height position adjusting parts 8 so as to realize the vertical adjustment of the placement positions of the base blanks 3; in this embodiment, the number of the height position adjusting members 8 is four, and the height position adjusting members are respectively located at four corners of the placement position of the base blank 3 and respectively correspond to the four corners of the left front, the left rear, the right front and the right rear of the bottom surface of the base blank 3, so that not only can the support of the height position adjusting members 8 on the base blank 3 be more stable, but also the base blank 3 can be more balanced when rising, and larger shaking is not easy to occur; in addition, the peripheral wall of the upper part of the height position adjusting member 8 is provided with an outer hexagonal part 14, so that the height position adjusting member 8 can be rotated by a tool such as a wrench, thereby facilitating the up-and-down movement of the height position adjusting member 8.
Preferably, the coarse positioning device comprises at least three vertical coarse positioning pieces 15 which are not on the same straight line, all the vertical coarse positioning pieces 15 are arranged on the fixed platform 2 and are positioned below the placement position of the base blank 3, when the base blank 3 is just placed on the fixed platform 2, the upper ends of all the vertical coarse positioning pieces 15 are propped against the bottom surface of the base blank 3, and the upper ends of all the height position adjusting pieces 8 are not contacted with the bottom surface of the base blank 3; in this embodiment, the number of the vertical coarse positioning members 15 is four and they are respectively located beside one of the height position adjusting members 8, so that the vertical coarse positioning members 15 can support the base blank 3 more stably.
Preferably, the position calibration device comprises at least three leveling members 16 and four central calibration members 17 which are not in the same line;
all leveling pieces 16 are arranged on the fixed platform 2 and are positioned on the outer side of the placing position of the base blank 3, each leveling piece 16 comprises a leveling seat 18 and a leveling stop block 19, the leveling seats 18 are connected to the fixed platform 2, the leveling stop blocks 19 are transversely arranged, one ends of the leveling stop blocks are rotatably connected with the upper ends of the leveling seats 18, when the base blank 3 is placed on the fixed platform 2, one ends of the leveling stop blocks 19 can be rotated to the position above a height reference surface 20 on the base blank 3, and accurate positioning of the placing height of the base blank 3 and leveling of the height reference surface 20 can be realized by matching with a position adjusting device; in this embodiment, the number of the leveling members 16 is four, and the leveling members are respectively located at four corners of the placement position of the base blank 3 and are respectively close to one of the height position adjusting members 8, so that more accurate positioning of the placement height of the base blank 3 can be realized, and the leveling of the height reference surface 20 is also more accurate, so that the allowance inspection of the base blank 3 can be more accurate;
The four center calibration pieces 17 are connected to the fixed platform 2 and are respectively positioned at the front middle part, the rear middle part, the left middle part and the right middle part of the placement position of the base blank 3 and used for calibrating the center positions of the four parts of the front side, the rear side, the left side and the right side of the bottom plate 21 of the base blank 3 so as to realize the accurate positioning of the transverse placement position of the base blank 3 by matching with the position adjusting device; of course, the center calibration piece 17 is not necessarily located at the middle position of the corresponding side of the placement position of the base blank 3, and may be adjusted according to the actual structure of the base blank 3, such as being offset to one end of the corresponding side of the placement position of the base blank 3, so as to facilitate subsequent scribing.
Preferably, the position calibration device further comprises at least one secondary calibration piece 22, the secondary calibration piece 22 comprises a secondary calibration seat 23 and a calibration sliding block 24, the secondary calibration seat 23 is connected to the fixed platform 2 and is positioned at the outer side of the placement position of the base blank 3, a transverse sliding hole 25 is formed in the secondary calibration seat 23, the calibration sliding block 24 is transversely arranged and is slidingly connected in the transverse sliding hole 25, a tip 26 is arranged at one end of the calibration sliding block 24 facing the base blank 3, and when the calibration sliding block 24 slides towards the direction of the base blank 3, the tip 26 can be propped against a corresponding secondary calibration surface 27 on the base blank 3 so as to realize accurate positioning of the transverse placement position and the placement height of the base blank 3 in cooperation with the position adjustment device; in this embodiment, the front end of the base blank 3 has a rectangular lateral protruding portion 28, the secondary calibration surface 27 is disposed at the front end of the lateral protruding portion 28, the number of the secondary calibration members 22 is one, and the tip 26 is located on the front side of the lateral protruding portion 28 and faces the secondary calibration surface 27.
Preferably, the scribing auxiliary device comprises a central scribing backup plate 29 arranged on each central calibration piece 17, wherein a central scribing datum plane 30 vertically arranged is arranged on the central scribing backup plate 29, the central scribing datum plane 30 on the central calibration piece 17 positioned at the front side of the placement position of the base blank 3 faces the left end or the right end of the base blank 3, the central scribing datum plane 30 on the central calibration piece 17 positioned at the rear side of the placement position of the base blank 3 faces the left end or the right end of the base blank 3, the central scribing datum plane 30 on the central calibration piece 17 positioned at the left side of the placement position of the base blank 3 faces the front end or the rear end of the base blank 3, and the central scribing datum plane 30 is used for being matched with a height ruler so that the height ruler can scribe a central line on the corresponding side wall of the base blank 3.
Preferably, the scribing auxiliary device comprises a plurality of side scribing seats 31, all the side scribing seats 31 are positioned at the outer side of the placing position of the base blank 3, the side scribing seats 31 are connected to the fixed platform 2, a side scribing backup plate 32 is arranged on the side scribing seats 31, a side scribing datum plane 33 is arranged on the side scribing backup plate 32, each side scribing datum plane 33 corresponds to one of the side surfaces needing allowance checking on the base blank 3, and each side scribing datum plane 33 is positioned at one side of the corresponding side surface and parallel to the corresponding side surface; in this embodiment, there are three sides of the base blank 3 to be tested for allowance, namely, a secondary calibration surface 27 located at the front end of the transverse protrusion 28 and two rear end surfaces 34 located at the left and right sides of the rear end of the base blank 3, and correspondingly, there are three sides of the base blank 31, wherein one side scribing seat 31 is the secondary calibration seat 23, a side scribing reference surface 33 thereon is located at the lower side of the secondary calibration surface 27, and the other two side scribing seats 31 are located at the rear side of the position where the base blank 3 is placed and are located at the left side of the left rear end surface 34 and the right side of the right rear end surface 34, respectively.
Preferably, the allowance checking and scribing tool for the heavy fan base blank further comprises a plurality of fixed slide bars 35 and a plurality of boring inspection plates 36, wherein the fixed slide bars 35 are vertically arranged, the lower ends of the fixed slide bars 35 are connected to the fixed platform 2, the boring inspection plates 36 are round, vertical slide holes 37 matched with the fixed slide bars 35 are formed in the boring inspection plates 36, the boring inspection plates 36 can be sleeved on the fixed slide bars 35 from the upper ends of the fixed slide bars 35 and are in sliding fit with the fixed slide bars 35, and when the base blank 3 is placed on the fixed platform 2, all the fixed slide bars 35 are respectively positioned in one motor boring 38 on the base blank 3; in this embodiment, the number of the motor bores 38 on the base blank 3 is four, and correspondingly, the number of the fixed slide bars 35 and the bore inspection plates 36 is also four, and the fixed slide bars 35 are arranged at the center of the motor bores 38, preferably, the fixed slide bars 35 are cylindrical and are coaxially arranged with the motor bores 38; to facilitate the removal and installation of the bore inspection plate 36, the bore inspection plate 36 may be provided with a pair of receptacles 39 for hand or tool to pass through and grip.
Of course, the number and arrangement positions of the transverse rough positioning member 4, the height position adjusting member 8, the vertical rough positioning member 15, the leveling member 16, the secondary calibration member 22, the side scribing seat 31, the fixed sliding rod 35 and the boring inspection plate 36 can be adaptively adjusted according to the structures of different heavy fan base blanks.
Example 2:
the embodiment discloses a method for using a blank allowance inspection and scribing tool of a heavy-duty fan base in embodiment 1, which specifically comprises the following steps:
s1, placing the fixed seat 1 on a flat ground to enable the fixed platform 2 to face upwards; s2, rotating the height position adjusting parts 8 to enable all the height position adjusting parts 8 to be positioned at the lowest end position; turning the transverse adjusting bolts 10 to enable all the transverse adjusting bolts 10 to be integrally separated from the placing position of the base blank 3; rotating the leveling stops 19 to enable all leveling stops 19 to be integrally separated from the placement position of the base blank 3; sliding the calibration slide block 24 to enable the whole calibration slide block 24 to leave the placing position of the base blank 3; removing all of the bore inspection plate 36;
s3, gradually putting down the base blank 3 from the upper part of the fixed platform 2 until the bottom surface of the base blank 3 is pressed at the upper ends of all the vertical rough positioning pieces 15, and in the process, enabling the base blank 3 to always lean against the side walls of all the vertical guide rods 5 and gradually slide downwards;
s4, one end of all leveling stops 19 is rotated to the position above a height reference surface 20 on the base blank 3, then the height position adjusting piece 8 is rotated, so that all the height position adjusting pieces 8 move upwards, the base blank 3 is lifted up until the height reference surface 20 on the base blank 3 is contacted with at least three leveling stops 19, the spacing distance between the leveling stops 19 and the rest leveling stops is not more than a certain value a, and the value range of a is 2-4mm, preferably 3mm; in the process of adjusting the height position adjusting piece 8, all the calibrating sliding blocks 24 are moved, so that all the tips 26 are respectively propped against the corresponding secondary calibrating surfaces 27 on the base blank 3, and the distance deviation between the center of each tip 26 and the upper and lower center line of the corresponding secondary calibrating surface 27 (i.e. the virtual line dividing the secondary calibrating surface 27 into upper and lower halves) is not more than a certain value b, wherein the value range of b is 1-3mm, preferably 2mm;
S5, measuring the width of the front end of the base blank 3 by using a tape measure, then dividing the width by two to obtain a value serving as a target value, rotating transverse adjusting bolts 10 positioned at two ends of the front side of the base blank 3, adjusting left and right placement positions of the front end of the base blank 3 so that distances from a center marking reference surface 30 positioned on a center calibration piece 17 at the front side of the base blank 3 to the left and right sides of the front end of the base blank 3 all tend to the target value, adjusting left and right placement positions of the rear end of the base blank 3, front and rear placement positions of the left end of the base blank 3 and front and rear placement positions of the right end of the base blank 3 until the distance deviation between the two sides of each end of the base blank 3 and the distance from the corresponding center marking reference surface 30 does not exceed a certain value c, namely, the distance deviation between the distance from the left side of the front end of the base blank 3 to the center scribing reference surface 30 on the corresponding center calibration member 17 and the distance from the right side of the front end to the center scribing reference surface 30 on the corresponding center calibration member 17, the distance deviation between the distance from the left side of the rear end of the base blank 3 to the center scribing reference surface 30 on the corresponding center calibration member 17 and the distance from the right side of the rear end to the center scribing reference surface 30 on the corresponding center calibration member 17, the distance deviation between the distance from the left side of the front end of the base blank 3 to the center scribing reference surface 30 on the corresponding center calibration member 17 and the distance from the right side of the front end to the center scribing reference surface 30 on the corresponding center calibration member 17 are not more than a certain value c, the value of c is 1-3mm, preferably 2mm; meanwhile, the distance deviation between the center of each center 26 and the left and right center line of the corresponding secondary calibration surface 27 (i.e. the virtual line equally dividing the secondary calibration surface 27 into left and right halves) or the front and rear center line (i.e. the virtual line equally dividing the secondary calibration surface 27 into front and rear halves), of course, the front and rear center line does not exist in the embodiment, is not more than a certain value d, and the value range of d is 1-3mm, preferably 2mm;
S6, checking the allowance of each part of the base blank 3 and scribing, wherein the method specifically comprises the following steps of:
taking a height datum plane 20 on the base blank 3 as a datum, using a height ruler and matching with a sample punch to test the allowance of the end face to be tested on the bottom surface and the upper end of the base blank 3; taking each side surface scribing reference surface 33 as a reference, checking the allowance of each corresponding side surface of the base blank 3 which needs allowance checking by using a height ruler and matching with a sample punch; sleeving all the boring inspection plates 36 on each fixed slide rod 35 respectively, and pressing the lower ends of the boring inspection plates 36 on the openings of the upper ends of the corresponding motor boring holes 38 so as to inspect the allowance of each motor boring hole 38;
then, according to the residual quantity test result, the placement position of the base blank 3 is properly adjusted so as to achieve the purpose of properly adjusting the borrowing materials, so that the residual quantity of each part of the base blank 3 is uniform;
then, the height ruler is leaned against the upper end face of the fixed platform 2, and a bottom face alignment line, a bottom face processing line and a processing line of an end face to be inspected at the upper end of the base blank 3 are drawn on the base blank 3 in a sliding mode by the height ruler; the height rule is leaned against each center marking datum plane 30, and the corresponding side surface of the base blank 3 is marked with a transverse placing position center line by the height rule in a sliding mode; the height gauge is placed against the side scoring datum plane 33 and the machining line is scored in a sliding manner with the height gauge on the corresponding side of the base blank 3 to be tested for margin.
The above examples are only illustrative of the preferred embodiments of the present invention and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art to the technical solution of the present invention should fall within the scope of protection defined by the claims of the present invention without departing from the spirit of the present invention.
Claims (6)
1. The utility model provides a surplus inspection of heavy fan base blank and marking off frock which characterized in that: the device comprises a fixed seat (1) provided with a fixed platform (2), wherein the fixed platform (2) is provided with a coarse positioning device, a position adjusting device, a position calibrating device and a scribing auxiliary device;
the coarse positioning device is used for realizing preliminary positioning of the placement position of the base blank (3) when the base blank (3) is placed on the fixed platform (2); the coarse positioning device comprises at least three transverse coarse positioning pieces (4) which are not in the same straight line, wherein the transverse coarse positioning pieces (4) are connected to a fixed platform (2), vertical guide rods (5) are arranged on the transverse coarse positioning pieces (4), and in the process that a base blank (3) is placed on the fixed platform (2), the base blank (3) can gradually slide downwards from top to bottom against the side walls of all the vertical guide rods (5) until the base blank (3) is completely placed on the fixed platform (2);
The position adjusting device is used for driving the base blank (3) to enable the base blank (3) to transversely move and vertically move on the fixed platform (2) so as to adjust the placing position of the base blank (3); the position adjusting device comprises eight transverse position adjusting pieces (7) and at least three height position adjusting pieces (8) which are not on the same straight line; eight transverse position adjusting pieces (7) are arranged on the fixed platform (2) and are respectively positioned at the front side two ends, the rear side two ends, the left side two ends and the right side two ends of the placing position of the base blank (3), each transverse position adjusting piece (7) comprises a transverse adjusting seat (9) and a transverse adjusting bolt (10), the transverse adjusting seats (9) are connected to the fixed platform (2), transverse threaded holes (11) used for being matched with the transverse adjusting bolts (10) are formed in the transverse adjusting seats (9), when the transverse adjusting bolts (10) are rotated, one ends of the transverse adjusting bolts (10) can be close to or far away from the base blank (3), and when one ends of the transverse adjusting bolts (10) are gradually close to and abut against the base blank (3) in the rotation process, corresponding parts of the base blank (3) can be moved forwards or backwards or leftwards or rightwards under the pushing of the transverse adjusting bolts (10) so as to realize the transverse adjustment of the placing position of the base blank (3); all the height position adjusting parts (8) are arranged on the fixed platform (2) and are positioned below the placing positions of the base blanks (3), a vertical screw rod (12) is arranged at the lower part of each height position adjusting part (8), a plurality of vertical threaded holes (13) matched with the vertical screw rod (12) are formed in the fixed platform (2), when the height position adjusting parts (8) are rotated, the upper parts of the height position adjusting parts (8) can move up and down on the fixed platform (2), and when the height position adjusting parts (8) are rotated, the upper ends of the height position adjusting parts are gradually close to and abut against the bottom surfaces of the base blanks (3), the base blanks (3) can move vertically upwards or downwards under the pushing of the height position adjusting parts (8) so as to realize vertical adjustment of the placing positions of the base blanks (3);
The position calibration device is used for calibrating the final placement position of the base blank (3) and realizing the accurate positioning of the placement position of the base blank (3); the position calibration device comprises at least three leveling pieces (16) and four center calibration pieces (17) which are not in the same straight line; all leveling pieces (16) are arranged on the fixed platform (2) and are positioned on the outer side of the placement position of the base blank (3), each leveling piece (16) comprises a leveling seat (18) and a leveling stop block (19), the leveling seats (18) are connected to the fixed platform (2), the leveling stop blocks (19) are transversely arranged, one ends of the leveling stop blocks are rotatably connected with the upper ends of the leveling seats (18), and when the base blank (3) is placed on the fixed platform (2), one ends of the leveling stop blocks (19) can be rotated to the position above a height reference surface (20) on the base blank (3) and can be matched with a position adjusting device to realize accurate positioning of the placement height of the base blank (3) and leveling of the height reference surface (20); the four center calibration pieces (17) are connected to the fixed platform (2) and are respectively positioned at the front middle part, the rear middle part, the left middle part and the right middle part of the placement position of the base blank (3) and used for calibrating the center positions of the front side, the rear side, the left side and the right side of the bottom plate (21) of the base blank (3) so as to realize the accurate determination of the transverse placement position of the base blank (3) by matching with the position adjusting device;
The scribing auxiliary device is used for providing various scribing references so as to facilitate scribing of the height ruler on the base blank (3) all the places; the scribing auxiliary device comprises a central scribing backup plate (29) arranged on each central calibration piece (17), wherein a central scribing reference surface (30) arranged vertically is arranged on each central scribing backup plate (29), the central scribing reference surface (30) is used for being matched with a height ruler so that the height ruler can scribe a central line on the corresponding side wall of the base blank (3), the central scribing reference surface (30) on the central calibration piece (17) positioned on the front side of the base blank (3) is oriented towards the left end or the right end of the base blank (3), the central scribing reference surface (30) on the central calibration piece (17) positioned on the rear side of the base blank (3) is oriented towards the left end or the right end of the base blank (3), the central scribing reference surface (30) on the central calibration piece (17) positioned on the left side of the base blank (3) is oriented towards the front end or the rear end of the base blank (3), and the central scribing reference surface (30) on the central calibration piece (17) positioned on the right side of the base blank (3) is oriented towards the front end or the rear end of the base blank (3).
2. The tooling for inspecting and scribing the margin of a heavy duty fan base blank according to claim 1, wherein: the coarse positioning device comprises at least three vertical coarse positioning pieces (15) which are not on the same straight line, all the vertical coarse positioning pieces (15) are all arranged on the fixed platform (2) and are positioned below the placement position of the base blank (3), when the base blank (3) is just placed on the fixed platform (2), all the upper ends of the vertical coarse positioning pieces (15) are all propped against the bottom surface of the base blank (3), and all the upper ends of the height position adjusting pieces (8) are not contacted with the bottom surface of the base blank (3).
3. The tooling for inspecting and scribing the margin of a heavy duty fan base blank according to claim 1, wherein: the position calibration device further comprises at least one secondary calibration piece (22), the secondary calibration piece (22) comprises a secondary calibration seat (23) and a calibration sliding block (24), the secondary calibration seat (23) is connected to the fixed platform (2) and located on the outer side of the placement position of the base blank (3), a transverse sliding hole (25) is formed in the secondary calibration seat (23), the calibration sliding block (24) is transversely arranged and is connected in the transverse sliding hole (25) in a sliding mode, a tip (26) is arranged at one end of the calibration sliding block (24) towards the base blank (3), and when the calibration sliding block (24) slides towards the direction of the base blank (3), the tip (26) can be propped against a corresponding secondary calibration surface (27) on the base blank (3) to be matched with the position adjustment device to achieve accurate positioning of the transverse placement position and the placement height of the base blank (3).
4. The tooling for inspecting and scribing the margin of a heavy duty fan base blank according to claim 1, wherein: the utility model provides a marking off auxiliary device a plurality of side marking off seat (31), all side marking off seat (31) all are located the outside of base blank (3) place the position, side marking off seat (31) are connected on fixed platform (2), be equipped with side marking off backup plate (32) on side marking off seat (31), be equipped with side marking off reference surface (33) on side marking off backup plate (32), every side marking off reference surface (33) all correspond with one of them side that need carry out the allowance inspection on base blank (3), every side marking off reference surface (33) all are located corresponding side to be parallel with corresponding side.
5. The tooling for inspecting and scribing the margin of a heavy duty fan base blank according to claim 1, wherein: including a plurality of fixed slide bar (35) and a plurality of bore hole inspection board (36), fixed slide bar (35) are vertical to be set up, fixed slide bar (35) lower extreme is connected on fixed platform (2), bore hole inspection board (36) are circular, be equipped with on bore hole inspection board (36) with fixed slide bar (35) matched with vertical slide hole (37), bore hole inspection board (36) can follow fixed slide bar (35) upper end cover to fixed slide bar (35) on, and with fixed slide bar (35) sliding fit, when base blank (3) are placed on fixed platform (2), all fixed slide bar (35) are located one of them motor bore hole (38) on base blank (3) respectively.
6. The method for using the allowance inspection and scribing tool for the heavy fan base blank according to claim 1, wherein the rough positioning device comprises at least three vertical rough positioning pieces (15) which are not on the same straight line, all the vertical rough positioning pieces (15) are arranged on the fixed platform (2) and are positioned below the placement position of the base blank (3), when the base blank (3) is just placed on the fixed platform (2), the upper ends of all the vertical rough positioning pieces (15) are propped against the bottom surface of the base blank (3), and all the upper ends of all the height position adjusting pieces (8) are not contacted with the bottom surface of the base blank (3); the position calibration device further comprises at least one secondary calibration piece (22), the secondary calibration piece (22) comprises a secondary calibration seat (23) and a calibration sliding block (24), the secondary calibration seat (23) is connected to the fixed platform (2) and is positioned at the outer side of the placement position of the base blank (3), a transverse sliding hole (25) is formed in the secondary calibration seat (23), the calibration sliding block (24) is transversely arranged and is connected in the transverse sliding hole (25) in a sliding manner, a tip (26) is arranged at one end of the calibration sliding block (24) facing the base blank (3), and when the calibration sliding block (24) slides towards the direction of the base blank (3), the tip (26) can prop against a corresponding secondary calibration surface (27) on the base blank (3) so as to realize accurate positioning of the transverse placement position and the placement height of the base blank (3) in cooperation with the position adjustment device; the scribing auxiliary device comprises a plurality of side scribing seats (31), wherein all the side scribing seats (31) are positioned at the outer sides of the placing positions of the base blanks (3), the side scribing seats (31) are connected to a fixed platform (2), side scribing backup plates (32) are arranged on the side scribing seats (31), side scribing datum planes (33) are arranged on the side scribing backup plates (32), each side scribing datum plane (33) corresponds to one of the side surfaces of the base blanks (3) needing allowance inspection, and each side scribing datum plane (33) is positioned at one side of the corresponding side surface and is parallel to the corresponding side surface; the allowance checking and scribing tool for the heavy fan base blank further comprises a plurality of fixed slide bars (35) and a plurality of boring inspection plates (36), wherein the fixed slide bars (35) are vertically arranged, the lower ends of the fixed slide bars (35) are connected to the fixed platform (2), the boring inspection plates (36) are round, vertical slide holes (37) matched with the fixed slide bars (35) are formed in the boring inspection plates (36), the boring inspection plates (36) can be sleeved on the fixed slide bars (35) from the upper ends of the fixed slide bars (35) and are in sliding fit with the fixed slide bars (35), and when the base blank (3) is placed on the fixed platform (2), all the fixed slide bars (35) are respectively located in one motor boring hole (38) on the base blank (3);
The using method comprises the following steps:
s1, placing the fixed seat (1) on a flat ground to enable the direction of the fixed platform (2) to be upward;
s2, rotating the height position adjusting parts (8) to enable all the height position adjusting parts (8) to be positioned at the lowest end position; rotating the transverse adjusting bolts (10) to enable all the transverse adjusting bolts (10) to be integrally separated from the placing position of the base blank (3); rotating the leveling stops (19) to enable all leveling stops (19) to be integrally separated from the placing position of the base blank (3); sliding the calibration slide block (24) to enable the whole calibration slide block (24) to leave the placing position of the base blank (3); removing all of the bore inspection plates (36);
s3, gradually putting down the base blank (3) from the upper part of the fixed platform (2) until the bottom surface of the base blank (3) is pressed at the upper ends of all the vertical rough positioning pieces (15), and in the process, enabling the base blank (3) to always lean against the side walls of all the vertical guide rods (5) and gradually slide downwards;
s4, one end of all leveling stop blocks (19) is rotated to the position above a height reference surface (20) on the base blank (3), then the height position adjusting piece (8) is rotated, so that all the height position adjusting piece (8) moves upwards, the base blank (3) is lifted until the height reference surface (20) on the base blank (3) is contacted with at least three leveling stop blocks (19), the interval distance between the leveling stop blocks (19) and the rest leveling stop blocks is not more than a certain value a, and the value range of a is 2-4mm; in the process of adjusting the height position adjusting piece (8), all the calibrating sliding blocks (24) are moved, so that all the tips (26) are respectively propped against corresponding secondary calibrating surfaces (27) on the base blank (3), the deviation of the center of each tip (26) from the upper and lower center line of the corresponding secondary calibrating surface (27) is not more than a certain value b, and the value range of b is 1-3mm;
S5, measuring the width of the front end of the base blank (3) by using a tape measure, then dividing the value of the width by two to obtain a target value, rotating transverse adjusting bolts (10) positioned at two ends of the front side of the base blank (3), adjusting the left and right placement positions of the front end of the base blank (3) so that the distances between the center marking datum plane (30) positioned on the front center calibration piece (17) of the base blank (3) and the left and right sides of the front end of the base blank (3) tend to the target value, and adjusting the left and right placement positions of the rear end of the base blank (3), the front and rear placement positions of the left end of the base blank (3) and the front and rear placement positions of the right end of the base blank (3) until the distance deviation between the two sides of each end of the base blank (3) and the distance between the corresponding center marking datum plane (30) does not exceed a certain value c, wherein the value range of c is 1-3mm; meanwhile, the distance deviation between the center of each center (26) and the left and right branch lines or the front and rear branch lines of the corresponding secondary calibration surface (27) is not more than a certain value d, and the value range of d is 1-3mm;
s6, checking the allowance of each part of the base blank (3) and scribing, wherein the method specifically comprises the following steps of:
taking a height reference surface (20) on the base blank (3) as a reference, and checking the allowance of the end surface to be checked of the bottom surface and the upper end of the base blank (3) by using a height ruler and matching with a sample punch; taking each side surface scribing reference surface (33) as a reference, using a height ruler and matching with a sample punch to test the allowance of each corresponding side surface of the base blank (3) needing allowance test; sleeving all the boring inspection plates (36) on each fixed slide rod (35) respectively, and pressing the lower ends of the boring inspection plates (36) on the upper end openings of the corresponding motor boring holes (38) so as to inspect the allowance of each motor boring hole (38);
Then, according to the residual quantity test result, the placing position of the base blank (3) is properly adjusted so as to achieve the purpose of properly adjusting the borrowing materials, and the residual quantity of each part of the base blank (3) is uniform;
then, the height ruler is leaned against the upper end face of the fixed platform (2), and a bottom surface alignment line, a bottom surface processing line and a processing line of an end face to be inspected at the upper end of the base blank (3) are marked on the base blank (3) by the height ruler in a sliding mode; the height ruler is leaned against the center marking datum plane (30), and the center line of the transverse placement position is marked on the corresponding side surface of the base blank (3) by the height ruler in a sliding mode; the height ruler is abutted against the scribing datum planes (33) of the side faces, and the machining lines are scribed on the corresponding side faces of the base blank (3) which need to be subjected to the allowance inspection in a sliding mode by the height ruler.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910445854.3A CN110116337B (en) | 2019-05-27 | 2019-05-27 | Allowance inspection and scribing tool for heavy-duty fan base blank and using method thereof |
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| CN201910445854.3A CN110116337B (en) | 2019-05-27 | 2019-05-27 | Allowance inspection and scribing tool for heavy-duty fan base blank and using method thereof |
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| CN110116337B true CN110116337B (en) | 2023-08-11 |
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| CN110116337A (en) | 2019-08-13 |
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