CN206169709U - Fast -assembling anchor clamps of processing bent axle keyway - Google Patents
Fast -assembling anchor clamps of processing bent axle keyway Download PDFInfo
- Publication number
- CN206169709U CN206169709U CN201621224077.8U CN201621224077U CN206169709U CN 206169709 U CN206169709 U CN 206169709U CN 201621224077 U CN201621224077 U CN 201621224077U CN 206169709 U CN206169709 U CN 206169709U
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- CN
- China
- Prior art keywords
- thimble
- bent axle
- movable
- fixed
- base plate
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- 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.)
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Abstract
The utility model belongs to the technical field of anchor clamps, refer in particular to a fast -assembling anchor clamps of processing bent axle keyway. Including the bottom plate, install movable thimble seat, work rest and fixed thimble seat on the bottom plate in proper order, the activity is provided with movable thimble on the activity thimble seat, and activity thimble tip is provided with thimble cylinder, be provided with fixed thimble on the fixed thimble seat, fixed thimble and the setting of activity thimble are on same axis, be provided with the clamp plate on the bottom plate, the clamp plate is connected with die clamping cylinder, one side of work rest is provided with the crank pin of location gage block, clamp plate and the radially fixed bent axle of location gage block. In the time of on the work rest is put into to the bent axle, open the air pressure switch, thimble cylinder drive activity thimble removes to with fixed thimble cooperation axial positioning bent axle, die clamping cylinder drives the clamp plate, and the positioning end and the location gage block cooperation of clamp plate compress tightly the crank pin. It is tight to use the cylinder to press from both sides, and the clamp force is big, and the clamping is efficient, and the clamping is stable, and high pressure heater worker precision in the vibration that adds man -hour, can be put forward to the bent axle that can significantly reduce.
Description
Technical field
This utility model belongs to clamp art, refers in particular to a kind of fast fixture of machining crankshafts keyway.
Background technology
Bent axle is most important part in electromotor, and it bears the power that connecting rod is transmitted, and is transformed into torque by song
Axle exports and drives other adnexa work on electromotor.Bent axle is subject to centrifugal force, the gas inertia of mechanical periodicity of gyrating mass
The collective effect of power and reciprocal inertia force, makes bent axle bear very big flexion torsion load.Therefore, the required precision of bent axle compared with
It is high.
Keyway is bent axle pith, and the keyway processing request of bent axle is also harsher, first right in keyway plus man-hour requirement
Bent axle carries out clamping, and current bent axle clamping generally carries out manual fixation, column defects in the presence of this way using bolt：Tearing open
It is more time-consuming during dress bent axle, cause clamping efficiency low；On the other hand, because bent axle clamping is unstable, processing is caused to be subject to
Affect, machining accuracy is not high, and product qualified rate is low.
The content of the invention
The purpose of this utility model is to provide a kind of simple structure, the quick-clamping of the stable milling crank keyway of convenient mounting and clamping
Fixture.
What the purpose of this utility model was realized in：
A kind of fast fixture of machining crankshafts keyway, including base plate, are sequentially installed with movable top needle stand, work rest on base plate
With fixed thimble seat, movable thimble is movably set with movable top needle stand, movable thimble end is provided with thimble cylinder；Fixed top
Fixed thimble is provided with needle stand, fixed thimble and movable thimble are arranged on same axis；Pressure is provided with the base plate
Plate, pressing plate is connected with clamping cylinder, and the side of the work rest is provided with positioning gauge block, pressing plate and the radially fixed song of positioning gauge block
The crank-pin of axle.
Preferably, pole is installed with the base plate of the work rest side, the pressing plate middle part is hinged on pole, described
Clamping cylinder is arranged on one end of pressing plate.
Preferably, sliding sleeve is installed between the movable thimble and movable top needle stand.
Preferably, stopper slot is provided with the movable thimble, on the corresponding sliding sleeve of stopper slot, movable top needle stand
Installing hole is offered, spacer pin is provided with installing hole, the inner of spacer pin is stretched in stopper slot.
Preferably, feeler block is provided with the base plate, feeler block is arranged on the side of fixed thimble seat.
Preferably, on the movable mounting groove one installed in base plate of the movable top needle stand；The fixed thimble seat can live
It is dynamic to be arranged on the mounting groove two of base plate.
This utility model is prominent and beneficial compared to existing technology to be had the technical effect that：When bent axle is put on work rest, beat
Pneumatic switch is opened, thimble cylinder and clamping cylinder are started working, the movement of thimble air cylinder driven movable thimble, and matched somebody with somebody with fixed thimble
Close axially position bent axle；Clamping cylinder drives pressing plate drive end, and the compression end and positioning gauge block for making pressing plate coordinates compression bent axle
Crankpin, realizes the clamping of fast and stable.This utility model uses cylinder clamping, simple to operate, and clamping force is big, clamping efficiency
Height, clamping is stable, can greatly reduce bent axle in the vibration for adding man-hour, can improve the machining accuracy of keyway.
Description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of this utility model movable thimble mechanism.
Fig. 3 is right view of the present utility model.
Fig. 4 is the structural representation of this utility model base plate.
In figure：1- clamping cylinders；2- pressing plates；3- positions gauge block；4- thimble cylinders；5- movable top needle stands；6- sliding sleeves；7- lives
Dynamic thimble；8- work rests；9- bent axles；10- fixes thimble；11- fixes thimble seat；12- feeler blocks；13- base plates；14- spacer pins；
15- stopper slots；16- poles；17- mounting grooves one；18- mounting grooves two；19- crankpins.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is further described with specific embodiment, referring to Fig. 1-4：
A kind of fast fixture of machining crankshafts keyway, this fixture is designed specifically for milling crank keyway.Including base plate 13,
Movable top needle stand 5, work rest 8 and fixed thimble seat 11 are sequentially installed with base plate 13, on movable top needle stand 5 work is movably set with
Dynamic thimble 7, the rearward end of movable thimble 7 is provided with thimble cylinder 4；Fixed thimble 10, fixed top are provided with fixed thimble seat 11
Pin 10 and movable thimble 7 are arranged on same axis.Work rest 8 is provided with the base plate 13, the upper end of work rest 8 offers
Place the locating slot of bent axle 9.Pole 16 is installed with the base plate 13 of the side of the work rest 8, pressing plate 2 is hinged with pole 16,
The drive end connection clamping cylinder 1 of pressing plate 2, the compression end of pressing plate 2 is located on positioning gauge block 3.The effect of pressing plate 2 is for compressing
Bent axle 9.
After bent axle 9 is put on work rest 8, pneumatic switch is opened, thimble cylinder 4 and clamping cylinder 1 are started working, wherein pushing up
Pin cylinder 4 drives movable thimble 7 to move to bent axle 9 and clamps with the fixed quick-fit of thimble 10, so as to carry out axial direction to bent axle 9
On positioning.Meanwhile, the crankpin 19 of bent axle 9 is arranged on positioning gauge block 3, and clamping cylinder 1 drives pressing plate 2 so as to compression end
Move down and compress crankpin 19 together with positioning gauge block 3, realize the radially fixed of crank 9.By the position of fixed crank pin, prevent
Bent axle 9 rotates and positions the keyway position of bent axle to be processed 9.This utility model adopts cylinder, and air cylinder structure is simple, installation side
Just, High power output, can stablize fixed crankshaft 9 and realize quick positioning and clamping.Bent axle can also be greatly reduced in the vibration for adding man-hour,
Improve the machining accuracy of keyway.Meanwhile, the clamping point of fixture is few, is hardly damaged the surface of bent axle 9.
Preferably, sliding sleeve 6 is installed, sliding sleeve 6 is convenient to be processed, and works as surface between the movable thimble 7 and movable top needle stand 5
During abrasion, the replacing low cost of sliding sleeve 6, and the positional precision of movable thimble 7 can be controlled, meanwhile, make the sliding effect of movable thimble 7
More preferably.
Preferably, stopper slot 15 is provided with the movable thimble 7, in the corresponding sliding sleeve 6, movable thimble of stopper slot 15
Installing hole is offered on seat 5, spacer pin 14 is provided with installing hole, the stopper slot of movable thimble 7 is stretched in the inner of spacer pin 14
In 15, the setting departs from movable top needle stand 5 to prevent movable thimble 7.
Preferably, feeler block 12 is provided with the base plate 13, feeler block 12 is arranged on the side of fixed thimble seat 11, plus
Man-hour, in order to more easily to knife.
Preferably, the movable top needle stand 5 is movable is arranged on the mounting groove 1 of base plate 13；The fixed thimble seat
11 movable are arranged on the mounting groove 2 18 of base plate 13.The length of i.e. described mounting groove 1 is installed more than movable top needle stand 5
The length of foot, the length of mounting groove 2 18 is more than the length for fixing the installation foot of thimble seat 11.Movable top needle stand 5 and fixed thimble seat
11 can be convenient to process different types of bent axle 9 according to the length dimension adjusting position of bent axle 9.
Preferably, for make bent axle 9 axis and thimble axis on the same line, according to the difference of the diameter of axle of bent axle 9, if
The work rest 8 of different locating slots is equipped with, as long as changing work rest 9, the bent axle 9 of the different diameters of axle can be just processed, fixture is increased
The scope of application.
Above-described embodiment is only preferred embodiment of the present utility model, and protection model of the present utility model is not limited according to this
Enclose, therefore：All equivalence changes done according to structure of the present utility model, shape, principle, all should be covered by protection of the present utility model
Within the scope of.
Claims (6)
1. a kind of fast fixture of machining crankshafts keyway, it is characterised in that：Including base plate (13), base plate is sequentially installed with (13)
Movable top needle stand (5), work rest (8) and fixed thimble seat (11), are movably set with movable thimble (7) on movable top needle stand (5),
Movable thimble (7) end is provided with thimble cylinder (4)；Fixed thimble (10), fixed thimble are provided with fixed thimble seat (11)
(10) it is arranged on same axis with movable thimble (7)；Pressing plate (2) is provided with the base plate (13), pressing plate (2) is connected with
Clamping cylinder (1), the side of the work rest (8) is provided with positioning gauge block (3), and pressing plate (2) and positioning gauge block (3) are radially fixed
The crank-pin (19) of bent axle (9).
2. the fast fixture of a kind of machining crankshafts keyway according to claim 1, it is characterised in that：The work rest (8)
Pole (16) is installed with the base plate (13) of side, pressing plate (2) middle part is hinged on pole (16), the clamping cylinder
(1) installed in one end of pressing plate (2).
3. the fast fixture of a kind of machining crankshafts keyway according to claim 1 and 2, it is characterised in that：The movable top
Sliding sleeve (6) is installed between pin (7) and movable top needle stand (5).
4. the fast fixture of a kind of machining crankshafts keyway according to claim 3, it is characterised in that：The movable thimble
(7) stopper slot (15) is provided with, installation is offered on (5) in the corresponding sliding sleeve (6) of stopper slot (15), movable top needle stand
Hole, is provided with spacer pin (14) in installing hole, the inner of spacer pin (14) is stretched in stopper slot (15).
5. the fast fixture of a kind of machining crankshafts keyway according to claim 2, it is characterised in that：On the base plate (13)
Feeler block (12) is provided with, feeler block (12) is arranged on the side of fixed thimble seat (11).
6. the fast fixture of a kind of machining crankshafts keyway according to claim 1 or 2 or 4 or 5, it is characterised in that：It is described
On the movable mounting groove one (17) installed in base plate (13) of movable top needle stand (5)；The movable peace of the fixed thimble seat (11)
It is mounted on the mounting groove two (18) of base plate (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621224077.8U CN206169709U (en) | 2016-11-11 | 2016-11-11 | Fast -assembling anchor clamps of processing bent axle keyway |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621224077.8U CN206169709U (en) | 2016-11-11 | 2016-11-11 | Fast -assembling anchor clamps of processing bent axle keyway |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206169709U true CN206169709U (en) | 2017-05-17 |
Family
ID=58684934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621224077.8U Expired - Fee Related CN206169709U (en) | 2016-11-11 | 2016-11-11 | Fast -assembling anchor clamps of processing bent axle keyway |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206169709U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107571070A (en) * | 2017-09-14 | 2018-01-12 | 哈尔滨汽轮机厂有限责任公司 | It is a kind of to be used to process the vehicle clamper that blade removes wet sump |
| CN108481056A (en) * | 2018-05-31 | 2018-09-04 | 贵州远东传动机械有限公司 | A kind of transmission shaft bore hole fixing device |
| CN109968055A (en) * | 2017-12-28 | 2019-07-05 | 贵州枫阳液压有限责任公司 | Multi-functional clamping tooling |
| CN112658763A (en) * | 2020-12-30 | 2021-04-16 | 四川明日宇航工业有限责任公司 | Machining method for thin-wall long pipe casting |
-
2016
- 2016-11-11 CN CN201621224077.8U patent/CN206169709U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107571070A (en) * | 2017-09-14 | 2018-01-12 | 哈尔滨汽轮机厂有限责任公司 | It is a kind of to be used to process the vehicle clamper that blade removes wet sump |
| CN109968055A (en) * | 2017-12-28 | 2019-07-05 | 贵州枫阳液压有限责任公司 | Multi-functional clamping tooling |
| CN108481056A (en) * | 2018-05-31 | 2018-09-04 | 贵州远东传动机械有限公司 | A kind of transmission shaft bore hole fixing device |
| CN112658763A (en) * | 2020-12-30 | 2021-04-16 | 四川明日宇航工业有限责任公司 | Machining method for thin-wall long pipe casting |
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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 |
Granted publication date: 20170517 Termination date: 20181111 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |