CN209639636U - A kind of connector connects lid class inner bore of part cylindricity centering positioning tool - Google Patents
A kind of connector connects lid class inner bore of part cylindricity centering positioning tool Download PDFInfo
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- CN209639636U CN209639636U CN201920491474.9U CN201920491474U CN209639636U CN 209639636 U CN209639636 U CN 209639636U CN 201920491474 U CN201920491474 U CN 201920491474U CN 209639636 U CN209639636 U CN 209639636U
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- cylinder
- positioning tool
- pedestal
- connector
- inner bore
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Abstract
The utility model relates to a kind of connector, connect lid class inner bore of part cylindricity centering positioning tool, it is characterized by comprising locating shaft (1), pedestal (2), fixed pin (3), in mounting hole of several fixed pins (3) by interference fit indentation pedestal (2) bottom, the setting circle axis of a cylinder of locating shaft (1) passes through the measured hole of tested part (4), and in the centre bore of inserted base (2).Present apparatus structure is simple, easily operated.
Description
Technical field
The utility model relates to a kind of cylindricity instrument alignment device, especially connectors to connect lid class inner bore of part cylindricity centering
Device.
Background technique
Part tolerance as shown in Figure 1 at present is small, needs to complete detection on cylindricity instrument.But Manual alignment is needed when measuring
Measured bore axis is overlapped with the cylindricity instrument centre of gyration, complex steps.For part shown in Fig. 1, need to detect inner hole cylinder
Degree, traditional detection mode are that the end face vertical with measured bore is sucked with magnetic force V-type, are placed on cylindricity instrument and can be manually rotated work
Measured hole center location is adjusted while platform and carries out centering, this method Manual alignment low efficiency, and general Manual alignment needs two points
Clock accounts for 1/3 time of entire measurement process.There is a utility model patent " connecting rod small end hole cylindricity detects fixture " at present
(Authorization Notice No. CN205449036U, authorized announcement date 2016.08.10), the conic mandrel bar for centering connecting rod small end hole is same
The locating shaft effect of this patent is similar.But the patent use condition be using the vertical end face of measured hole as positioning plane, once
The plane has protrusion not to be available then.
Summary of the invention
Goal of the invention:
The purpose of the utility model is to provide a kind of positioning tools that part fast aligning can be realized on cylindricity instrument.
Summary of the invention:
A kind of connector connects lid class inner bore of part cylindricity centering positioning tool, it is characterised in that: including locating shaft 1, pedestal
2, fixed pin 3, several fixed pins 3 are pressed into the mounting hole of 2 bottom of pedestal by interference fit, the positioning cylinder of locating shaft 1
Axis passes through the measured hole of tested part 4, and in the centre bore of inserted base 2.
Preferably, locating shaft 1 includes the setting circle axis of a cylinder for having precision-fit relationship with 2 centre bore of pedestal, setting circle axis of a cylinder
Top be 90 ° of coning angles cone, cone top be cylindrical body identical with cone outside diameter, the cylindrical body
Top is Handle axis, and handle shaft diameter is less than cylindrical body, and Handle axis surface carries out annular knurl processing.
Preferably, pedestal 2 is one section of cylinder for having boss, which is greater than tested part 4 and is tested bore dia.
Preferably, the matched centre bore of setting circle axis of a cylinder of one with locating shaft 1 are provided at the center of 2 cylinder of pedestal.
Preferably, 2 cylindrical base boss of pedestal is the cylinder being relatively large in diameter, which is equipped with several uniformly distributed installations
Hole, the center and 2 cylindrical central bore of pedestal that mounting hole is formed are concentric.
Preferably, fixed pin 3 includes a cylindrical shaft, the mounting hole interference fit of the cylindrical shaft and pedestal 2, the cylindrical shaft
Lower part be hemisphere, hemisphere diameter be greater than cylinder shaft diameter.
Preferably, fixed pin 3 shares 3.
The advantages of invention
Present apparatus structure is simple, easily operated.The setting circle axis of a cylinder of locating shaft is passed through into part measured bore inserted base
In centre bore, while centering is completed after locating shaft cone and the steady contact of tested part inner hole.Without manually carrying out
Centering reduces the level of skill requirement to operator, greatly improves centering efficiency, reduce alignment time.It is easy to operate, only
Need centering can be completed within 7 seconds；Structure is simple, and frock making is at low cost.
Detailed description of the invention
Fig. 1 is tested part schematic diagram；
Fig. 2 is the schematic diagram of the section structure of the utility model；
Fig. 3 is the main view of the utility model locating shaft；
Fig. 4 is the top view of the utility model pedestal；
Fig. 5 is the main view of the utility model fixed pin；
Fig. 6 is the utility model using process diagram.
Specific embodiment
The utility model is further described with specific embodiment below, referring to Fig. 1-6.
The positioning tool includes 3 three kinds of locating shaft 1, pedestal 2, fixed pin parts.3 fixed pins 3 pass through interference fit pressure
Enter and complete tooling assembly in 3 uniformly distributed holes of 2 bottom of pedestal, the setting circle axis of a cylinder insertion of locating shaft 1 has precision-fit therewith
In 2 centre bore of pedestal of relationship, positioning is realized.
Locating shaft 1 includes the setting circle axis of a cylinder for having precision-fit relationship with 2, bottom centre bore, and the top of setting circle axis of a cylinder is
The cone of 90 ° of coning angles, cone top are cylindrical body identical with cone outside diameter, and cylindrical body top is handle
Axis, handle shaft diameter is less than cylindrical body, and surface carries out annular knurl processing.
Pedestal 2 is one section of outside cylinder, and body diameter is greater than part and is tested bore dia to guarantee that cylinder upper surface can place
Tested part.There is the centre bore for having precision-fit relationship with the setting circle axis of a cylinder of locating shaft 1 at outside cylinder center.Under outside cylinder
Portion is the chassis cylinder being relatively large in diameter, and has the inner hole of 3 circumference uniform distributions on the chassis cylinder, what 3 circumference uniform distribution inner holes were formed
Center and outside cylinder central bore are concentric.
Fixed pin 3 includes a cylindrical shaft, and 3 circumference uniform distribution inner holes formation of the cylindrical shaft and pedestal 2 is interference fitted, circle
The lower part of axis of a cylinder is hemisphere, and hemispherical diameter is greater than cylinder shaft diameter.The fixed pin 3 shares 3.The application method of the utility model
It is as follows:
Part 4 is placed on 2 upper surface of pedestal, the setting circle axis of a cylinder of locating shaft 1 is inserted into across 4 measured bore of part
Into the centre bore of pedestal 2, the circular cone body cone and 4 inner hole seamed edge of part or chamfering of locating shaft 1 can make part 4 after being steadily contacted
Self-centering realizes fast aligning positioning to concentric with cylindricity instrument rotating shaft.
Above-described embodiment is only one of preferred embodiment of the utility model, and the implementation of the utility model is not limited with this
Range, therefore: the equivalence changes that all shape, structure, principles according to the utility model are done should all be covered by the guarantor of the utility model
Within the scope of shield.
Claims (10)
1. a kind of connector connects lid class inner bore of part cylindricity centering positioning tool, it is characterised in that: including locating shaft (1), pedestal
(2), fixed pin (3), several fixed pins (3) are pressed into the mounting hole of pedestal (2) bottom by interference fit, locating shaft (1)
Setting circle axis of a cylinder pass through the measured hole of tested part (4), and in the centre bore of inserted base (2).
2. connector as described in claim 1 connects lid class inner bore of part cylindricity centering positioning tool, it is characterised in that: positioning
Axis (1) includes the setting circle axis of a cylinder for having precision-fit relationship with pedestal (2) centre bore, and the top of setting circle axis of a cylinder is 90 ° of circular cones
The cone at angle, cone top are cylindrical body identical with cone outside diameter, and the cylindrical body top is Handle axis, hand
Arbor diameter is less than cylindrical body, and Handle axis surface carries out annular knurl processing.
3. connector as described in claim 1 connects lid class inner bore of part cylindricity centering positioning tool, it is characterised in that: pedestal
(2) cylinder of boss is had for one section.
4. connector as claimed in claim 3 connects lid class inner bore of part cylindricity centering positioning tool, it is characterised in that: described
Body diameter is greater than tested part (4) and is tested bore dia.
5. connector as claimed in claim 3 connects lid class inner bore of part cylindricity centering positioning tool, it is characterised in that: pedestal
(2) the matched centre bore of setting circle axis of a cylinder with locating shaft (1) is provided at the center of cylinder.
6. connector as claimed in claim 3 connects lid class inner bore of part cylindricity centering positioning tool, it is characterised in that: pedestal
(2) cylindrical base boss is the cylinder being relatively large in diameter, which is equipped with several uniformly distributed mounting holes.
7. connector as claimed in claim 6 connects lid class inner bore of part cylindricity centering positioning tool, it is characterised in that: described
The center and pedestal (2) cylindrical central bore that mounting hole is formed are concentric.
8. connector as described in claim 1 connects lid class inner bore of part cylindricity centering positioning tool, it is characterised in that: fixed
Selling (3) includes a cylindrical shaft, the mounting hole interference fit of the cylindrical shaft and pedestal (2).
9. connector as described in claim 1 connects lid class inner bore of part cylindricity centering positioning tool, it is characterised in that: the circle
The lower part of axis of a cylinder is hemisphere, and hemisphere diameter is greater than cylinder shaft diameter.
10. connector as described in claim 1 connects lid class inner bore of part cylindricity centering positioning tool, it is characterised in that: fixed
Pin (3) shares 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920491474.9U CN209639636U (en) | 2019-04-12 | 2019-04-12 | A kind of connector connects lid class inner bore of part cylindricity centering positioning tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920491474.9U CN209639636U (en) | 2019-04-12 | 2019-04-12 | A kind of connector connects lid class inner bore of part cylindricity centering positioning tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209639636U true CN209639636U (en) | 2019-11-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920491474.9U Active CN209639636U (en) | 2019-04-12 | 2019-04-12 | A kind of connector connects lid class inner bore of part cylindricity centering positioning tool |
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| CN (1) | CN209639636U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113977324A (en) * | 2021-12-17 | 2022-01-28 | 江西洪都航空工业集团有限责任公司 | Composite part positioning device |
-
2019
- 2019-04-12 CN CN201920491474.9U patent/CN209639636U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113977324A (en) * | 2021-12-17 | 2022-01-28 | 江西洪都航空工业集团有限责任公司 | Composite part positioning device |
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