CN206662786U - A kind of convertible knuckle fixture for processing - Google Patents
A kind of convertible knuckle fixture for processing Download PDFInfo
- Publication number
- CN206662786U CN206662786U CN201720383504.5U CN201720383504U CN206662786U CN 206662786 U CN206662786 U CN 206662786U CN 201720383504 U CN201720383504 U CN 201720383504U CN 206662786 U CN206662786 U CN 206662786U
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- CN
- China
- Prior art keywords
- transmission shaft
- power transmission
- convertible
- processing
- transmission case
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of convertible knuckle fixture for processing, it is characterised in that：Including transmission case and circular pressing plate, it is rotatably mounted in the transmission case side wall to have power transmission shaft, end surface is provided with positioning round table and stop pin on the outside of the power transmission shaft, the positioning round table is arranged concentrically with the power transmission shaft, the power transmission shaft inside portion is set with turbine, it is provided with the transmission case for the worm screw with the turbine engaged transmission, the worm screw one end is connected with rotating power source, the center transmission shaft installs compressor arm, the compressor arm the inner pass and its outer end affixed with hold-down cylinder output end after the power transmission shaft pass it is affixed with circular cover after the positioning round table, U-shaped breach is offered in the circular pressing plate (6).The utility model has positioning precision high, can realize Automatic-clamping, and may be reversed after clamping and distinguish Milling Machining to its both sides aperture end face, using clamped one time, can avoid resetting, can improve product quality, improve operating efficiency, it is low to reduce processing cost.
Description
Technical field
The utility model belongs to a kind of convertible knuckle fixture for processing.
Background technology
Knuckle is one of core part on steering axle of automobile, can make vehicle steadily traveling and sensitive transmission traveling side
To the function of knuckle is subject to automobile power load, supports and drives driving wheel to be rotated around stub and make motor turning.In automobile
Under transport condition, it subjects changeable shock loading.
Knuckle is automobile important safety parts, and global industry personage and its payes attention to its security feature, fully
Recognize processing of its security feature to knuckle play the role of it is especially important, and should be through whole manufacture process.
As a kind of knuckle, reference can be made to Fig. 1, the knuckle (N) includes knuckle body, is set on the knuckle body
There are bearing hole (N-1), bracket holes (N-2), lower linking arm (N-3), upper linking arm (N-4) and steering arm (N-5)；Wherein, under this
Shock relieve vent (N-31), shock-absorption locking hole (N-32) and two shock-absorption locking holes aperture end face (N-33) are processed on linking arm (N-3)；
Kingpin bore (N-41), stub locking hole (N-42) and two stub locking hole aperture end face (N- are processed on this on linking arm (N-4)
43) crossover port (N-51), is processed on the steering arm (N-5).
Due to above-mentioned knuckle, its unique outlook is complicated, is different in nature part, therefore is processing two shock-absorption locking
, it is necessary to a special fixture of R ＆ D design when hole aperture end face (N-33) and two stub locking hole apertures end face (N-43), with
Meet requirement on machining accuracy.
Utility model content
In order to solve one or more drawbacks described above of the prior art, technical problem to be solved in the utility model is
A kind of convertible knuckle fixture for processing is provided, can precise positioning and Automatic-clamping, and after clamping can through upset and to its two
Milling Machining is distinguished in side opening mouth end face, using clamped one time, can avoid resetting, can improve product quality, improves operating efficiency
And reduction processing cost is low.
To achieve the above object, the utility model provides a kind of convertible knuckle fixture for processing, it is characterised in that：
Including transmission case (2), hold-down cylinder (3), compressor arm (4), circular cover (5) and circular pressing plate (6)；
Wherein, rotatably mounted in transmission case (2) side wall to have power transmission shaft (7), the biography is stretched out in power transmission shaft (7) outside portion
The end face of dynamic case (2) and the outside portion is provided with positioning round table (7-1) and stop pin (7-2), the positioning round table (7-1) and the biography
Moving axis (7) is arranged concentrically, and power transmission shaft (7) inside portion is stretched on transmission case (2) inner chamber and power transmission shaft (7) inside portion and is set with
There is turbine (9), be provided with the transmission case (2) for the worm screw (10) with turbine (9) engaged transmission, worm screw (10) one end
It is connected with rotating power source, power transmission shaft (7) center installs the compressor arm (4), and compressor arm (4) the inner passes the power transmission shaft
(7) and its outer end affixed with hold-down cylinder (3) output end passes the positioning round table (7-1) affixed, circle with circular cover (5) afterwards afterwards
U-shaped breach (6-1) is offered on shape pressing plate (6).
Further, the transmission case (2) is horizontally installed on clamp bottom board (1), and bar is offered on the clamp bottom board (1)
Shape mounting hole (11).
Further, bearing block (8) is installed with the transmission case (2), first axle bearing bore is offered on the bearing block (8)
(8-1), power transmission shaft (7) inside portion are also rotatably installed in the first axle bearing bore (8-1) by clutch shaft bearing (8-2).
Further, second bearing hole (2-1) is offered in transmission case (2) side wall, it is also logical in the middle part of the power transmission shaft (7)
Second bearing (2-2) is crossed to be rotatably installed on the second bearing hole (2-1).
Further, the positioning round table (7-1) is structure as a whole with the power transmission shaft (7) and its center offers perforation
(7-3)。
Further, the perforation (7-3) is built with anti-wearing liner (7-4).
Further, the rotating power source uses motor.
The beneficial effects of the utility model are：The utility model can by this knuckle quick despatch, auto lock can be realized
And unclamp, Quick universal can be achieved, it is simple to operate, it is time saving and energy saving, production cost can be reduced；In addition, this clamping apparatus can precisely be determined
Position and Automatic-clamping, and can distinguish Milling Machining through upset and to its both sides aperture end face after clamping, using clamped one time, can avoid
Resetting, therefore to improving product quality, improve production efficiency, shortens the manufacturing cycle, reduce into it is low be respectively provided with it is obvious excellent
Gesture.
Brief description of the drawings
Fig. 1 is the structural representation of knuckle.
Fig. 2 is front view of the present utility model.
Fig. 3 is stereogram of the present utility model.
Fig. 4 is the utility model by the stereogram after knuckle clamping.
Fig. 5 is stereograms of the Fig. 4 when overturning 180 ° of post-processing opposite side aperture end faces.
Embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples：
Referring to Fig. 2-5：A kind of convertible knuckle fixture for processing, it is characterised in that：Including clamp bottom board 1, transmission case
2nd, hold-down cylinder 3, compressor arm 4, circular cover 5 and circular pressing plate 6.
Wherein, the transmission case 2 is horizontally installed on the upper surface of clamp bottom board 1, and bar shaped peace is offered on the clamp bottom board 1
Fill hole 11.In use, this fixture is used to be installed on lathe by the fixture base plate 1.And the bar shaped mounting hole 11 can be easy to
Fixed installation and position adjustments.
Wherein, the transmission case 2 is body structure, and the inner chamber of transmission case 2 then can be used for installing transmission parts.Due to the transmission
Case 2 is sealing structure, therefore dust can be avoided to enter, can enable its this fixture steadily in the long term using and can increase the service life.
In the present embodiment, the top cover of transmission case 2 is easily installed and safeguarded after opening using installation is detachably fixed.
In the present embodiment, it is rotatably mounted on the right side wall of transmission case 2 to have power transmission shaft 7 referring to Fig. 2, the edge of power transmission shaft 7
Horizontally arranged, the outside portion of power transmission shaft 7 (right side in figure), which is stretched out on the end face of the transmission case 2 and the outside portion, to be installed with
Positioning round table 7-1 and stop pin 7-2, positioning round table 7-1 are arranged concentrically with the power transmission shaft 7, and the inside portion of power transmission shaft 7 is (in figure
Left side) stretch on the inner chamber of transmission case 2 and the inside portion of power transmission shaft 7 and be set with turbine 9, the turbine 9 passes through with the power transmission shaft 7
Key connection and rotate coaxially, be provided with the transmission case 2 for the worm screw 10 with the engaged transmission of turbine 9, the worm screw 10 can turn
Dynamic to be installed in the transmission case 2, the one end of worm screw 10 is connected with rotating power source, when the rotating power source works, can be driven
The synchronous rotary of worm screw 10, the worm screw 10 drive the gear motion of turbine 9.
Wherein, stop pin 7-2 and the power transmission shaft 7 are affixed, and in the present embodiment, stop pin 7-2 installation ends are provided with spiral shell
Rasp bar portion, the thread rod part and the screwed hole on the end face of power transmission shaft 7 are affixed.
In the present embodiment, the positioning round table 7-1 is structure as a whole with the power transmission shaft 7 and its center offers perforation 7-
3.Due to positioning round table 7-1 positioning precision using integrative-structure, can be improved.
Wherein, the compressor arm 4 is installed in the perforation 7-3 at the center of power transmission shaft 7, the inner of compressor arm 4 passes the power transmission shaft 7
And its outer end affixed with the output end of hold-down cylinder 3 passes affixed with circular cover 5 after positioning round table 7-1 afterwards, in the circular pressing plate 6
Offer U-shaped breach 6-1.
The gap of compressor arm 4 is threaded onto in perforation 7-3, in order to reduce inner hole wall abrasion, is improved and is oriented to stability, described to wear
Hole 7-3 is built with anti-wearing liner 7-4.Anti-wearing liner 7-48 interference fits are arranged in compressor arm perforation 312, are being installed
When, nitrogen cold charge can be used.Wherein, the endoporus of anti-wearing liner 38 is coordinated with the compressor arm 34 using gap
Specifically, the rotating power source uses motor.Preferably, the motor uses reducing motor.
In addition, being installed with bearing block 8 in the transmission case 2, first axle bearing bore 8-1, the transmission are offered on the bearing block 8
The inside portion of axle 7 is also rotatably installed on first axle bearing bore 8-1 by clutch shaft bearing 8-2.Preferably, the bearing block 8 fall T
Character form structure, the lower end of bearing block 8 are affixed by screw and the bottom plate of transmission case 2.The bearing block Final 8 degree is reliable and not variable
Impact and vibrations when shape, improving support accuracy, rotate the power transmission shaft 7 more stable, while can bear machine tooling.
Specifically, second bearing hole 2-1 is offered in the side wall of transmission case 2, the middle part of power transmission shaft 7 also passes through the second axle
2-2 is held to be rotatably installed on the 2-1 of the second bearing hole.
Wherein, the positioning round table 7-1 and knuckle spindle bearing bore N-1 matches, positioning round table 7-1 and free bearing
Hole N-1 gaps coordinate and concentric locating, and stop pin 7-2 coordinates and anti-rotation positioning with knuckle support hole N-2 gaps.
This fixture is in use, its positioning and locking process are as follows：First, knuckle N is inserted into the outside of power transmission shaft 7
On portion's step surface, while positioning round table 7-1 and knuckle spindle bearing bore N-1 coordinates concentric locating, stop pin 7-2 and knuckle
Bracket holes N-2 coordinates anti-rotation positioning；Then circular pressing plate 6 is inserted on the outer end of compressor arm 4 by its U-shaped breach 6 and makes this
Circular pressing plate 6 is stuck between knuckle N and three circular covers 5；Then the hold-down cylinder 3 is restarted, being drawn in the hold-down cylinder 3 should
Compressor arm 4, and drive the circular cover 5 to be moved close to the internal pressure of circular pressing plate 6, most the circular pressing plate 6 is overlayed in the steering at last
Realize that face contact compresses on the outer face of nodal axisn bearing bore N-1 apertures.Because knuckle N realizes positioning and compresses, therefore can
Face milling is carried out to the shock-absorption locking hole aperture end face N-33 in first side and stub locking hole aperture end face N-43.
After the first side milling face machines, restart rotating power source work, the rotating power source drives the worm screw 10
Synchronous rotary, and the worm screw 10 rotates with the fit engagement of turbine 9, and then the turbine 9 is rotated coaxially with power transmission shaft 7, it should pass
180 ° of the knuckle N synchronous axial systems compressed when moving axis 7 rotates 180 °, on the outside portion of power transmission shaft 7, power source work of stopping the rotation
Make, then can carry out milling face to the shock-absorption locking hole aperture end face N-33 in second side and stub locking hole aperture end face N-43
Processing.
In summary, this fixture can realize that two shock-absorption locking hole aperture end face N-33 and two stubs are locked on knuckle
Processed respectively after hole aperture end face N-43 upset, therefore production efficiency is high, processing cost is low, with short production cycle.Further, since
Shock-absorption locking hole aperture end face N-33 and stub locking hole aperture end face N-43 is to be parallel to each other, therefore can same numerical control machine
Distribution processing is completed on bed, to reduce clamping times, avoids resetting error, improves product quality and reduces processing cost.
Therefore the utility model has positioning precision high, can realize Automatic-clamping, and may be reversed after clamping and to its both sides aperture end face
Milling Machining respectively, using clamped one time, can avoid resetting, can improve product quality, improve operating efficiency, and reduction is processed into
This is low.
Preferred embodiment of the present utility model described in detail above.It should be appreciated that the ordinary skill people of this area
Member makes many modifications and variations without creative work can according to design of the present utility model.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality on the basis of existing technology according to design of the present utility model in domain
Available technical scheme is tested, all should be in the protection domain being defined in the patent claims.
Claims (7)
- A kind of 1. convertible knuckle fixture for processing, it is characterised in that：Including transmission case (2), hold-down cylinder (3), compressor arm (4), circular cover (5) and circular pressing plate (6)；Wherein, rotatably mounted in transmission case (2) side wall to have power transmission shaft (7), the transmission case is stretched out in power transmission shaft (7) outside portion (2) and the end face of the outside portion is provided with positioning round table (7-1) and stop pin (7-2), the positioning round table (7-1) and the power transmission shaft (7) it is arranged concentrically, power transmission shaft (7) inside portion is stretched on transmission case (2) inner chamber and power transmission shaft (7) inside portion and is set with whirlpool Take turns (9), be provided with the transmission case (2) for the worm screw (10) with turbine (9) engaged transmission, worm screw (10) one end and rotation Rotatory force source connects, and power transmission shaft (7) center installs the compressor arm (4), after compressor arm (4) the inner passes the power transmission shaft (7) It is affixed with circular cover (5) afterwards to pass the positioning round table (7-1) for affixed and its outer end with hold-down cylinder (3) output end, circle pressure U-shaped breach (6-1) is offered on plate (6).
- A kind of 2. convertible knuckle fixture for processing as claimed in claim 1, it is characterised in that：Transmission case (2) water Safety offers bar shaped mounting hole (11) loaded on clamp bottom board (1) on the clamp bottom board (1).
- A kind of 3. convertible knuckle fixture for processing as claimed in claim 1, it is characterised in that：In the transmission case (2) Bearing block (8) is installed with, first axle bearing bore (8-1) is offered on the bearing block (8), power transmission shaft (7) inside portion also passes through One bearing (8-2) is rotatably installed in the first axle bearing bore (8-1).
- A kind of 4. convertible knuckle fixture for processing as any one of claim 1-3, it is characterised in that：The biography Second bearing hole (2-1) is offered in dynamic case (2) side wall, in the middle part of the power transmission shaft (7) also by second bearing (2-2) rotationally It is installed on the second bearing hole (2-1).
- A kind of 5. convertible knuckle fixture for processing as claimed in claim 1, it is characterised in that：Positioning round table (the 7- 1) it is structure as a whole with the power transmission shaft (7) and its center offers perforation (7-3).
- A kind of 6. convertible knuckle fixture for processing as claimed in claim 5, it is characterised in that：In the perforation (7-3) Equipped with anti-wearing liner (7-4).
- A kind of 7. convertible knuckle fixture for processing as claimed in claim 1, it is characterised in that：The rotating power source is adopted Use motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720383504.5U CN206662786U (en) | 2017-04-13 | 2017-04-13 | A kind of convertible knuckle fixture for processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720383504.5U CN206662786U (en) | 2017-04-13 | 2017-04-13 | A kind of convertible knuckle fixture for processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206662786U true CN206662786U (en) | 2017-11-24 |
Family
ID=60381250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720383504.5U Expired - Fee Related CN206662786U (en) | 2017-04-13 | 2017-04-13 | A kind of convertible knuckle fixture for processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206662786U (en) |
-
2017
- 2017-04-13 CN CN201720383504.5U patent/CN206662786U/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: 20171124 Termination date: 20200413 |