CN210014722U - Shaft head assembly flange hole position degree detection tool - Google Patents
Shaft head assembly flange hole position degree detection tool Download PDFInfo
- Publication number
- CN210014722U CN210014722U CN201921266513.1U CN201921266513U CN210014722U CN 210014722 U CN210014722 U CN 210014722U CN 201921266513 U CN201921266513 U CN 201921266513U CN 210014722 U CN210014722 U CN 210014722U
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- Prior art keywords
- head assembly
- upper plate
- detection
- base
- hole
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- Expired - Fee Related
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Abstract
The utility model discloses a shaft head assembly flange hole location degree gauge, including location portion and inspection portion, location portion includes base, upper plate and positioning bush, and the base sets firmly the upper plate, is equipped with the via hole that supplies the shaft head assembly tip to pass on the upper plate, is equipped with the positioning bush in the base, and the positioning bush is fixed a position the axle journal of shaft head assembly tip; the inspection part comprises a phi 17 detection pin, an M8 detection pin and an M6 detection pin, the upper plate is provided with the phi 17 detection pin corresponding to a phi 17 flange through hole of the shaft head assembly, the M8 detection pin corresponding to a M8 flange threaded hole of the shaft head assembly and the M6 detection pin corresponding to a M6 flange threaded hole of the shaft head assembly, each detection pin is respectively installed in a corresponding bushing hole of the upper plate through a bushing, and a detection head of each detection pin protrudes out of the upper surface of the upper plate. The utility model discloses convenient to use, inspection efficiency is high, and is not high to inspection workman's operation technical level requirement, can be in batch and the mechanical industry of bulk production, extensively promote.
Description
Technical Field
The utility model belongs to the machining equipment field relates to a utensil is examined to axle head assembly flange hole site degree of putting.
Background
The axle head assembly of the new energy automobile rear axle is used as a part in an automobile electric drive axle rear axle assembly and is an important part for connecting the axle body with the wheel hub and the ABS sensor, so that the requirement on the position degree of a flange hole is high.
The position degree of a part hole of an automobile rear axle product is generally measured by a three-coordinate detecting machine, but the three-coordinate detecting machine has long detection time and high requirement on the operation technical level of an inspector, is only suitable for detecting a single part and is not suitable for detecting parts in batches and in mass production. Therefore, the position degree detection tool is convenient to use, high in detection efficiency, simple in structure and easy to manufacture, and has low requirement on the operation technical level of a detection worker.
SUMMERY OF THE UTILITY MODEL
The utility model aims at prior art's not enough, provide an utensil is examined to spindle nose assembly flange hole site degree of putting, mainly used electric drive axle spindle nose assembly flange hole site degree of putting detects.
The utility model discloses a realize like this:
a shaft head assembly flange hole position degree checking fixture comprises a positioning part and a checking part,
the positioning part comprises a base, an upper plate and a positioning bush, the base is of a hollow cylindrical structure, the upper plate is fixedly arranged on the base, a through hole for the small end of the spindle head assembly to pass through is formed in the upper plate, the positioning bush is arranged in the base, and the positioning bush positions a shaft neck of the small end of the spindle head assembly;
the inspection portion includes a phi 17 sense pin, an M8 sense pin and an M6 sense pin,
the upper plate is provided with phi 17 detection pins corresponding to phi 17 flange through holes of the shaft head assembly, M8 detection pins corresponding to M8 flange threaded holes of the shaft head assembly and M6 detection pins corresponding to M6 flange threaded holes of the shaft head assembly, each detection pin is installed in a corresponding bushing hole of the upper plate through a bushing, and a detection head of each detection pin protrudes out of the upper surface of the upper plate.
Further, the base is in interference fit with the positioning bushing.
Furthermore, a plurality of mounting holes are uniformly distributed on the upper end surface of the base, and the base is connected with the upper plate through bolts.
Further, each bushing is arranged in a corresponding bushing hole in an interference fit mode, and the body part of each detection pin is arranged in a corresponding bushing in an interference fit mode.
Further, the height of the base is larger than the height size from the small end of the shaft head assembly to the lower end face of the flange.
Furthermore, the bottom of the upper plate is provided with a ring of annular groove matched with the excircle of the base.
Further, each bushing and each inspection pin are made of T10A carbon tool steel.
The utility model discloses convenient to use, inspection efficiency is high, and is not high to inspection workman's operation technique level requirement, and simple structure, and it is easy to make, and the position degree detects the benchmark unanimous with part design benchmark to spindle nose assembly tip journal is the benchmark, does not have the benchmark to overlap and the positioning error who produces, can ensure the credibility of testing result completely, can be in batch and mass production's mechanical industry, extensively promote.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment 1 of the present invention.
FIG. 2 is a schematic view of the shaft head assembly according to the preferred embodiment of the present invention 1
FIG. 3 is another schematic structural diagram of the spindle head assembly in embodiment 1 of the present invention
Fig. 4 is a plan view of a base in embodiment 1 of the present invention.
In the figure: the device comprises a base 1, an upper plate 2, a positioning bush 3, a phi 17 bush 4, a phi 17 detection pin 5, an M8 bush 6, an M8 detection pin 7, an M6 bush 8, an M6 detection pin 9, a bolt 10, an M8 flange threaded hole 101, an M6 flange threaded hole 102 and a phi 17 flange through hole 103.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand and understand, the present invention is further explained by combining with the specific drawings.
Example 1: referring to fig. 1-4, the shaft head assembly flange hole location degree detection tool comprises a positioning portion and a detection portion, wherein the positioning portion comprises a base 1, an upper plate 2 and a positioning bushing 3, the base 1 is of a hollow cylindrical structure, the upper plate 2 is fixedly arranged on the base 1, a through hole for the small end of the shaft head assembly to pass through is formed in the upper plate 2, the positioning bushing 3 is arranged in the base 1, and the positioning bushing 3 is used for positioning a shaft neck of the small end of the shaft head assembly;
the inspection portion includes phi 17 sense pin 5, M8 sense pin 7 and M6 sense pin 9,
the upper plate 2 is provided with a phi 17 detection pin 5 corresponding to a phi 17 flange through hole 103 of the spindle head assembly, an M8 detection pin 7 corresponding to a M8 flange threaded hole 101 of the spindle head assembly and an M6 detection pin 9 corresponding to a M6 flange threaded hole 102 of the spindle head assembly, each detection pin is respectively installed in a corresponding bushing hole of the upper plate 2 through a bushing, a detection head of each detection pin protrudes out of the upper surface of the upper plate 2,preferably, the first and second liquid crystal materials are,the detection head of each detection pin protrudes out of the upper surface of the upper plate 29mm。
Further, the base 1 is in interference fit with the positioning bush 3, so that the axial runout of the base 1 and the horizontal plane is guaranteed to be less than or equal to 0.01 mm.
Further, a plurality of mounting holes are uniformly distributed on the upper end face of the base 1, and the base 1 is connected with the upper plate 2 through bolts 10.
Further, each bushing is arranged in a corresponding bushing hole in an interference fit mode, and the body part of each detection pin is arranged in a corresponding bushing in an interference fit mode.
Further, the height of the base 1 is larger than the height size from the small end of the shaft head assembly to the lower end face of the flange.
Preferably, each detection pin comprises three parts from top to bottom, from small to large, wherein: the upper part is a detection head, the body part is an installation part, and the lower part is a supporting part. The detection pin is designed in a sectional structure, and the processing technology is simple.
Furthermore, the bottom of the upper plate 2 is provided with a circle of annular groove matched with the excircle of the base 1, so that the end face runout of the upper plate 2 is ensured to be less than or equal to 0.04 mm.
In order to further ensure the strength of the inspection pin and the bushing, the bushing and the inspection pin are preferably made of T10A carbon tool steel, and T10A carbon tool steel is adopted, so that the steel strength and the wear resistance are higher than those of T8 and T9.
Example 2: taking the spindle head assembly as an example for processing the spindle head assemblies shown in fig. 2 and 3, four threaded holes of the spindle head assembly flange holes and M8 are uniformly distributed, the reference circle phi is 84.4mm, and the position degree phi is 0.2 mm. 4 bushing holes for installing M8 bushings 6 are uniformly distributed on the upper plate 2 according to the theoretical correct size, and the position degree of the bushing holes requires phi 0.03 mm and roughness Ra0.8 mm. The distance between the bushing holes and the center is 40.8 mm, the diameter of each bushing hole is phi 17.1 (+ 0.1, 0) mm, one bushing hole for mounting the phi 17 bushing 4 is distributed on the upper plate 2 according to the theoretical correct size, the distance between 2 threaded holes of the M6 and the phi 17.1 hole is 22.5 mm, and the distance between each threaded hole and the horizontal direction is 45 degrees, and two bushing holes for mounting the M6 bushing 8 are distributed on the upper plate 2 according to the theoretical correct size. The inner diameter of the annular groove of the upper plate 2 matched with the base 1 is phi 105 (+ 0.035, 0) mm, the depth is 3mm, and the whole thermal refining HRC58-62 is adopted.
The diameter of a small-end journal of the spindle head assembly is phi 25 (-0.01, -0.035) mm, the positioning bushing 3 is in clearance fit with the diameter of the journal, and the diameter of an inner hole of the positioning bushing 3 is phi 25 (+ 0.021, 0) mm.
Phi 17 bush 4, phi 17 detection pin 5, M8 bush 6, M8 detection pin 7, M6 bush 8, M6 detection pin 9 all adopt T10A carbon tool steel, HRC50-56 is subjected to heat treatment to improve service life, the wall thickness of each bush is 3mm, the excircle of each bush and the inner hole of the upper plate 2 adopt base hole interference fit H7/n6, the inner hole of each bush and the detection pin body adopt base hole interference fit H7/g6, 7 detection pins form a position degree detection area, the diameter of each detection pin is determined according to the maximum entity principle, the diameter of the upper detection head of the phi 17 detection pin 5 is phi 16.9 +/-0.005 mm, the diameter of the upper detection head of the M8 detection pin 7 is phi 6.5 +/-0.005 mm, and the diameter of the upper detection head of the M6 detection pin 9 is phi 4.8 +/-0.005 mm.
And (3) a checking process: in the vertical insertion position degree detection tool for the small end of the spindle head assembly, the outer circle of the small end journal diameter phi 25 of the spindle head assembly is matched with a positioning bush 3 in the detection tool body, a spindle head assembly flange hole phi 17.1 (+ 0.1, 0) is matched with a phi 17 detection pin 5, a spindle head assembly M8 flange threaded hole is matched with an M8 detection pin 7, a spindle head assembly M6 flange threaded hole is matched with an M6 detection pin 9, the spindle head assembly is aligned downwards and slightly pushed, when the flange surface of the spindle head assembly is completely contacted with the upper surface of an upper plate 2 without clearance, the position degree of the spindle head assembly is judged to be qualified, and otherwise, the spindle head assembly.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the description of the above embodiments and the description is only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and such changes and modifications are intended to be included within the scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. A shaft head assembly flange hole location degree detection tool comprises a positioning part and a detection part, and is characterized in that,
the positioning part comprises a base, an upper plate and a positioning bush, the base is of a hollow cylindrical structure, the upper plate is fixedly arranged on the base, a through hole for the small end of the spindle head assembly to pass through is formed in the upper plate, the positioning bush is arranged in the base, and the positioning bush positions a shaft neck of the small end of the spindle head assembly;
the inspection portion includes a phi 17 sense pin, an M8 sense pin and an M6 sense pin,
the upper plate is provided with phi 17 detection pins corresponding to phi 17 flange through holes of the shaft head assembly, M8 detection pins corresponding to M8 flange threaded holes of the shaft head assembly and M6 detection pins corresponding to M6 flange threaded holes of the shaft head assembly, each detection pin is installed in a corresponding bushing hole of the upper plate through a bushing, and a detection head of each detection pin protrudes out of the upper surface of the upper plate.
2. The tool for detecting the location degree of the flange hole of the spindle head assembly according to claim 1, wherein the base is in interference fit with the positioning bushing.
3. The tool for detecting the location degree of the flange hole of the spindle head assembly according to claim 1, wherein a plurality of mounting holes are uniformly distributed on the upper end surface of the base, and the base is connected with the upper plate through bolts.
4. The tool for detecting the location degree of the flange hole of the spindle head assembly according to claim 1, wherein each bushing is installed in the corresponding bushing hole in an interference fit mode, and a body of each detection pin is installed in the corresponding bushing in an interference fit mode.
5. The tool for detecting the location degree of the flange hole of the spindle head assembly according to claim 1, wherein the height of the base is greater than the height from the small end of the spindle head assembly to the lower end face of the flange.
6. The tool for detecting the location degree of the flange hole of the spindle head assembly as claimed in claim 1, wherein a ring of annular groove matched with the outer circle of the base is formed at the bottom of the upper plate.
7. The tool of claim 1, wherein each bushing and each detection pin are made of T10A carbon tool steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921266513.1U CN210014722U (en) | 2019-08-07 | 2019-08-07 | Shaft head assembly flange hole position degree detection tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921266513.1U CN210014722U (en) | 2019-08-07 | 2019-08-07 | Shaft head assembly flange hole position degree detection tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210014722U true CN210014722U (en) | 2020-02-04 |
Family
ID=69319926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921266513.1U Expired - Fee Related CN210014722U (en) | 2019-08-07 | 2019-08-07 | Shaft head assembly flange hole position degree detection tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210014722U (en) |
-
2019
- 2019-08-07 CN CN201921266513.1U patent/CN210014722U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200204 Termination date: 20210807 |