CN206382580U - A kind of accurate processing three-jaw flange side surface blind hole positioning fixture - Google Patents
A kind of accurate processing three-jaw flange side surface blind hole positioning fixture Download PDFInfo
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- CN206382580U CN206382580U CN201720087797.2U CN201720087797U CN206382580U CN 206382580 U CN206382580 U CN 206382580U CN 201720087797 U CN201720087797 U CN 201720087797U CN 206382580 U CN206382580 U CN 206382580U
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- blind hole
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Abstract
The utility model discloses a kind of accurate processing three-jaw flange side surface blind hole positioning fixture, the positioning fixture includes chuck body, movable jaw and fore-set, the chuck body is provided with the cylinder of through hole for center, three chutes have been radially arranged in the circular end face of chuck body, three movable jaws are separately positioned in three chutes of chuck body, the inner face of the movable jaw is clamping face, the movable jaw offers screwed hole close to the upper surface of inner side, and fore-set revolves the upper surface for being located at movable jaw by its end of thread.This novel operating process is simple, it is reasonable in design, adjustable fore-set, which is set, can be accurately positioned ring flange workpiece, make the end face blind hole of processing accurately consistent, there is the graduation mark set along its length on fore-set, it can understand that efficiently regulation fore-set length is adapted to more workpiece types, effectively improves fixture utilization rate.
Description
Technical field
The utility model belongs to clamping tool for machine work technical field, specifically a kind of accurate processing three-jaw ring flange end
Face blind hole positioning fixture.
Background technology
Power transmission shaft is the important component of transmission power in automotive transmission, and its effect is together with gearbox, drive axle
The power of engine is passed into wheel, make automobile produce driving force, the rotary body that power transmission shaft is a high rotating speed, supported less,
It is the transmission device that automobile can be operated.Power transmission shaft is particularly important in the transmission system of automobile, therefore the company of truck drive shaft
It is the premise that automobile is capable of safe handling to connect installation.
The connection of truck drive shaft, which is installed, be unable to do without power transmission shaft adpting flange, and to the essence of power transmission shaft adpting flange workpiece
Exactness requires very high, and existing transmission shaft flange disk processing unit (plant) is in the processing to power transmission shaft three-jaw mounting flange, positioning
Fixture operation is complicated, position fixing process is slow, and easily causes the drawbacks such as end face blind hole is deep mixed, axiality is poor, and the product of manufacture gives up
Product rate is high, causes unnecessary economic loss, therefore needs badly and produce one kind and can accurately process three-jaw flange side surface blind hole
Use positioning fixture.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of processing three-jaw flange simple to operate, registration
Side surface blind hole positioning fixture, solves positioning fixture complex operation, position fixing process in the prior art and slowly, causes end face blind hole deep
It is shallow differ, the drawback such as axiality difference.
The utility model is to solve the technical scheme that is used of above-mentioned technical problem：A kind of accurate processing three-jaw ring flange
End face blind hole positioning fixture, the positioning fixture includes chuck body, movable jaw and fore-set, and the chuck body is provided with for center
Three chutes are radially arranged in the cylinder of through hole, the circular end face of chuck body, the lower end of the movable jaw is provided with can
The feather key being engaged with chute, three movable jaws are separately positioned in three chutes of chuck body by feather key, the activity
The inner face of claw is clamping face, and the clamping face of three movable jaws forms the station for placing three-jaw ring flange, and activity
Anti-slip veins are provided with the clamping face of claw, the movable jaw offers screwed hole close to the upper surface of inner side, and fore-set passes through
Its end of thread revolves the upper surface for being located at movable jaw.
It is used as a kind of this new further improvement of accurate processing three-jaw flange side surface blind hole positioning fixture：The top
There is the graduation mark set along its length on post.
It is used as a kind of this new further improvement of accurate processing three-jaw flange side surface blind hole positioning fixture：The top
The cylinder of post is provided with the spanner groove for being easy to adjust fore-set.
Beneficial effect
A kind of accurate processing three-jaw flange side surface blind hole positioning fixture of the utility model, is operated compared with prior art
Process is simple, reasonable in design, and adjustable fore-set, which is set, can be accurately positioned ring flange workpiece, make the end face blind hole of processing accurate
Unanimously, there is the graduation mark set along its length on fore-set, can understand that efficiently regulation fore-set length is adapted to more
Workpiece type, effectively improves fixture utilization rate；The accurate processing three-jaw flange side surface blind hole positioning fixture of this new offer
Location efficiency during work pieces process can be improved while improving workpiece accuracy again.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Marked in figure：1st, chuck body, 2, movable jaw, 3, fore-set.
Embodiment
As illustrated, a kind of accurate processing three-jaw flange side surface blind hole positioning fixture, the positioning fixture includes card
Disk body 1, movable jaw 2 and fore-set 3, the chuck body 1 are provided with for center in the cylinder of through hole, the circular end face of chuck body 1
Three chutes are radially arranged, the lower end of the movable jaw 2 is provided with the feather key that can be engaged with chute, three movable jaws
2 are separately positioned in three chutes of chuck body 1 by feather key, and the inner face of the movable jaw 2 is clamping face, three activities
The clamping face of claw 2 forms on the station for placing three-jaw ring flange, and the clamping face of movable jaw 2 and is provided with anti-slip veins,
The movable jaw 2 offers screwed hole close to the upper surface of inner side, and fore-set 3 is located at movable jaw 2 by the rotation of its end of thread
There is the graduation mark set along its length, the cylinder of fore-set 3, which is provided with, to be easy to adjust fore-set on upper surface, the fore-set 3
Spanner groove, be easy to adjust fore-set；
Fore-set 3 is adjusted according to Workpiece length in processing, its top is withstood the three-jaw of workpiece three-jaw side surface, regulation card
Disk body 1 makes three movable jaws 2 clamp workpiece, completes positioning.
It is described above, only it is preferred embodiment of the present utility model, not makees any formal to the utility model
Limitation, although the utility model is disclosed above with preferred embodiment, but is not limited to the utility model, any ripe
Professional and technical personnel is known, is not being departed from the range of technical solutions of the utility model, when in the technology using the disclosure above
Hold the equivalent embodiment made a little change or be modified to equivalent variations, as long as being without departing from technical solutions of the utility model
Hold, any simple modification, equivalent variations and the modification made according to technical spirit of the present utility model to above example, still
Belong in the range of technical solutions of the utility model.
Claims (3)
1. a kind of accurate processing three-jaw flange side surface blind hole positioning fixture, it is characterised in that：The positioning fixture includes card
Disk body（1）, movable jaw（2）And fore-set（3）, the chuck body（1）The cylinder of through hole, chuck body are provided with for center（1）'s
Three chutes, the movable jaw have been radially arranged in circular end face（2）Lower end be provided with the feather key that can be engaged with chute,
Three movable jaws（2）Chuck body is separately positioned on by feather key（1）Three chutes in, the movable jaw（2）The inner
Face is clamping face, three movable jaws（2）Clamping face form station for placing three-jaw ring flange, and movable jaw（2）
Clamping face on be provided with anti-slip veins, the movable jaw（2）Upper surface close to inner side offers screwed hole, fore-set（3）It is logical
Cross the rotation of its end of thread and be located at movable jaw（2）Upper surface.
2. a kind of accurate processing three-jaw flange side surface blind hole positioning fixture according to claim 1, it is characterised in that：
The fore-set（3）It is upper that there is the graduation mark set along its length.
3. a kind of accurate processing three-jaw flange side surface blind hole positioning fixture according to claim 1, it is characterised in that：
The fore-set（3）Cylinder be provided be easy to adjust fore-set spanner groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720087797.2U CN206382580U (en) | 2017-01-23 | 2017-01-23 | A kind of accurate processing three-jaw flange side surface blind hole positioning fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720087797.2U CN206382580U (en) | 2017-01-23 | 2017-01-23 | A kind of accurate processing three-jaw flange side surface blind hole positioning fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206382580U true CN206382580U (en) | 2017-08-08 |
Family
ID=59494632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720087797.2U Active CN206382580U (en) | 2017-01-23 | 2017-01-23 | A kind of accurate processing three-jaw flange side surface blind hole positioning fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206382580U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160442A (en) * | 2019-04-22 | 2019-08-23 | 南京航空航天大学 | A kind of flexible measuring tooling and its scaling method for conduit end face of flange vision-based detection |
-
2017
- 2017-01-23 CN CN201720087797.2U patent/CN206382580U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110160442A (en) * | 2019-04-22 | 2019-08-23 | 南京航空航天大学 | A kind of flexible measuring tooling and its scaling method for conduit end face of flange vision-based detection |
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