CN108515356A - A kind of high-precision bias unit of adjustable angle - Google Patents
A kind of high-precision bias unit of adjustable angle Download PDFInfo
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- CN108515356A CN108515356A CN201810524221.7A CN201810524221A CN108515356A CN 108515356 A CN108515356 A CN 108515356A CN 201810524221 A CN201810524221 A CN 201810524221A CN 108515356 A CN108515356 A CN 108515356A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
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Abstract
The present invention relates to angular deflection processing equipment mounting technology fields,The high-precision bias unit of specifically a kind of adjustable angle,It is equipped with pedestal bottom plate,It is characterized in that the upper center of pedestal bottom plate is equipped with support base,By being connected in the middle part of hinge assembly and deflection substrate above support base,Rotating shaft of the substrate in hinge assembly is deflected into horizontal deflection,Limit yoke assembly and a deflection driven component there are two being set between deflection substrate and pedestal bottom plate,Described two limits yoke assemblies being located on the substrate pedestal of support base both sides respectively symmetrically,Deflection limit assembly is made of limiting bracket and spacing shim,The deflection driven component is located on the pedestal bottom plate between one of deflection limit assembly and support base,The deflection driven component is by hydraulic cylinder,Oil cylinder mounting plate,Oil cylinder fulcrum post,Oscillating bearing and oil cylinder connecting pin composition,With simple in structure,It is easy to use,Positioning accuracy is high,The advantages that realizing angular transformation can be facilitated.
Description
Technical field
The present invention relates to angular deflection processing equipment mounting technology field, specifically a kind of simple in structure, user
Just, positioning accuracy is high, can facilitate the high-precision bias unit of the adjustable angle for realizing angular transformation.
Background technology
It is well known that in being machined production process, we frequently encounter needs to put down in different angle to parts
Face is processed, and conventional method is typically to adjust its angle for needing to bias, multiple clamping by jig etc. using multiple clamping
Non-cutting time is increased, and increases the generation of clamping error；Or the 4th axis using machining center（Rotating shaft）It carries out
Rotation angle post-processing to parts, the 4th axis is expensive, and occupied space is big, greatly reduces the profit in platen face
With rate.When being processed for the single angle offset of small angle range, and it is not suitable for；It is processed especially for small lot or volume production part
When, since the occupied space of the 4th axis is big, platen face utilization rate is seriously affected, processing efficiency is influenced.
Invention content
Present invention aim to address above-mentioned the deficiencies in the prior art, provide a kind of simple in structure, easy to use, positioning accurate
Degree height, the high-precision bias unit that the adjustable angle for realizing angular transformation can be facilitated.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of high-precision bias unit of adjustable angle is equipped with pedestal bottom plate, it is characterised in that the top of the pedestal bottom plate
Middle part is equipped with support base, and support base top in the middle part of hinge assembly and deflection substrate by being connected, and deflection substrate is around hinged
Rotating shaft in component sets that there are two limit yoke assemblies and one into horizontal deflection between the deflection substrate and pedestal bottom plate
Deflection driven component, described two limit yoke assemblies being located on the substrate pedestal of support base both sides respectively symmetrically, deflects
Limit assembly is made of limiting bracket and spacing shim, and the lower end of limiting bracket is connected with pedestal bottom plate, limiting bracket it is upper
Spacing shim of the end equipped with different-thickness, spacing shim are contradicted with the Cam Follower that the deflection substrate right over it is equipped with and are limited
Position, the deflection driven component is located on the pedestal bottom plate between one of deflection limit assembly and support base, described
Deflection driven component is made of hydraulic cylinder, oil cylinder mounting plate, oil cylinder fulcrum post, oscillating bearing and oil cylinder connecting pin, oil cylinder peace
Loading board is located on substrate pedestal, and the lower end of oil cylinder mounting plate is hinged by oil cylinder fulcrum post with substrate pedestal, oil cylinder mounting plate
Upper end be equipped with hydraulic cylinder, the lower end of hydraulic cylinder is connected with oil cylinder mounting plate, upper end output shaft and the pass of hydraulic cylinder
Bearings lower end is connected, and the upper end of oscillating bearing is hinged with the oil cylinder connecting pin being located on deflection substrate, by driving liquid
Compressing cylinder drives deflection substrate deflection to realize deflection.
Hinge assembly of the present invention by a rotating shaft, two floating bearings, an inner split ring, two outer spacer rings and
Two revolution support plates compositions, described two floating bearings are respectively provided at the both sides of the hinge hole on support base, floating bearing it
Between be equipped with inner split ring for limiting floating bearing inner ring, one end of rotating shaft is pierced by one of floating bearing and is passed through interior
Spacer ring is finally pierced by the fixation for realizing rotating shaft by another floating bearing, and the lower end of the revolution support plate is equipped with and revolution
The blocked hole of axis cooperation, the rotating shaft for being pierced by support base both sides are each passed through blocked hole and revolution branch on revolution support plate
Plate is connected, and turns round in the middle part of the upper end and deflection substrate of support plate and is connected, by the rotation of rotating shaft drive deflection substrate around
Rotating shaft deflects, and outer spacer ring is respectively equipped on the outside of described two floating bearings, is adjusted by outer spacer ring and eliminates pedestal bottom plate
With the left and right gap of deflection substrate, the axial position of limitation deflection substrate.
Oil cylinder mounting plate in deflection driven component of the present invention is located in the driver slot that pedestal bottom plate is equipped with, institute
The both sides for the driver slot stated are respectively equipped with the through-hole across oil cylinder fulcrum post, and the both ends of the oil cylinder fulcrum post are each passed through drive
The through hole of dynamic slot side is simultaneously fixed through plug, on the oil cylinder fulcrum post that the both sides of the oil cylinder mounting plate are pierced by
Be socketed oil-free bushing, the oil-free bushing is pressed into the both sides of oil cylinder mounting plate, mitigate oil cylinder mounting plate and oil cylinder fulcrum post it
Between frictional resistance.
Deflection substrate right over spacing shim of the present invention, which is equipped with, deflects slot, symmetrical in the deflection slot
Two Cam Followers are fixed with, the slot bottom of the outer circle exposed section deflection slot of the Cam Follower passes through cam following
The outer circle of device contacts limit with the upper surface of spacing shim, ensures deflection angle.
Oil cylinder connecting pin of the present invention is located in the through-hole being equipped in deflection substrate, and the oil cylinder connecting pin passes through
Deflecting the through-hole of substrate and being equipped on the deflection substrate at the middle part of through-hole makes the barish oscillating bearing of oil cylinder connecting pin connect
Hole is connect, the oscillating bearing is hinged across oscillating bearing connecting hole with oil cylinder connecting pin, and the both ends of through-hole are respectively through plug
Fixed oil cylinder connecting pin.
The present invention since the upper center of the pedestal bottom plate is equipped with support base, above support base by hinge assembly with
Be connected in the middle part of deflection substrate, rotating shaft of the deflection substrate in the hinge assembly into horizontal deflection, the deflection substrate and
It is set between pedestal bottom plate there are two limit yoke assembly and a deflection driven component, described two limit yoke assemblies are distinguished
It is symmetrically located on the substrate pedestal of support base both sides, deflection limit assembly is made of limiting bracket and spacing shim, limit branch
The lower end of frame is connected with pedestal bottom plate, and the upper end of limiting bracket is equipped with the spacing shim of different-thickness, spacing shim with it just
The Cam Follower that the deflection substrate of top is equipped with contradicts limit, and the deflection driven component is located at one of deflection limit
On pedestal bottom plate between hyte part and support base, the deflection driven component is returned by hydraulic cylinder, oil cylinder mounting plate, oil cylinder
It ships and resell on another market, oscillating bearing and oil cylinder connecting pin composition, oil cylinder mounting plate is located on substrate pedestal, and the lower end of oil cylinder mounting plate passes through oil
Cylinder fulcrum post is hinged with substrate pedestal, and the upper end of oil cylinder mounting plate is equipped with hydraulic cylinder, and lower end and the oil cylinder of hydraulic cylinder are pacified
Loading board is connected, and the upper end output shaft of hydraulic cylinder is connected with oscillating bearing lower end, the upper end of oscillating bearing and is located at deflection
Oil cylinder connecting pin on substrate is hinged, and by driving hydraulic cylinder that deflection substrate deflection is driven to realize deflection, described is hinged
Component is made of a rotating shaft, two floating bearings, an inner split ring, two outer spacer rings and two revolution support plates, described
Two floating bearings are respectively provided at the both sides of the hinge hole on support base, are equipped between floating bearing for limiting in floating bearing
One end of the inner split ring of circle, rotating shaft is pierced by one of floating bearing and passes through inner split ring finally by another rotating shaft
The fixation for being pierced by and realizing rotating shaft is held, the lower end of the revolution support plate is equipped with the blocked hole coordinated with rotating shaft, and described wears
Go out support base both sides rotating shaft be each passed through revolution support plate on blocked hole with turn round support plate be connected, turn round the upper end of support plate
It is connected in the middle part of deflection substrate, drives deflection substrate to be deflected around rotating shaft by the rotation of rotating shaft, described two are returned
The outside that shaft is held is respectively equipped with outer spacer ring, and the left and right gap eliminated pedestal bottom plate and deflect substrate, limit are adjusted by outer spacer ring
System deflects the axial position of substrate, and the oil cylinder mounting plate in the deflection driven component is located at the driving that pedestal bottom plate is equipped with
In slot, the both sides of the driver slot are respectively equipped with the through-hole across oil cylinder fulcrum post, the both ends point of the oil cylinder fulcrum post
Not Chuan Guo driver slot side through hole and be fixed through plug, the oil cylinder that the both sides of the oil cylinder mounting plate are pierced by
Oil-free bushing is socketed on fulcrum post, the oil-free bushing is pressed into the both sides of oil cylinder mounting plate, mitigates oil cylinder mounting plate and oil cylinder
Frictional resistance between fulcrum post, the deflection substrate right over the spacing shim are equipped with deflection slot, the deflection slot
Interior to be symmetrically fixed with two Cam Followers, the slot bottom of the outer circle exposed section deflection slot of the Cam Follower passes through
The outer circle of Cam Follower contacts limit with the upper surface of spacing shim, ensures that deflection angle, the oil cylinder connecting pin are located at
In the through-hole being equipped in deflection substrate, the oil cylinder connecting pin passes through the through-hole of deflection substrate and in the deflection at the middle part of through-hole
Substrate, which is equipped with, makes the barish oscillating bearing connecting hole of oil cylinder connecting pin, and the oscillating bearing is connected across oscillating bearing
Hole is hinged with oil cylinder connecting pin, and oil cylinder connecting pin is fixed in the both ends of through-hole through plug respectively, has simple in structure, user
Just, positioning accuracy is high, can facilitate the advantages that realizing angular transformation.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Fig. 2 is the front view of Fig. 1.
Fig. 3 is the structural schematic diagram of pedestal bottom plate in the present invention.
Fig. 4 is the section view of support base in the present invention.
Fig. 5 is the structural schematic diagram that substrate is deflected in the present invention.
Fig. 6 is the section view of present invention deflection substrate upper cylinder connecting pin.
Fig. 7 is the section view of present invention deflection substrate overhead cam follower.
Fig. 8 is state diagram after present invention deflection substrate deflection.
Fig. 9 is deflection calculation schematic diagram of the present invention.
Specific implementation mode
The following further describes the present invention with reference to the drawings：
As shown in the picture, the high-precision bias unit of a kind of adjustable angle is equipped with pedestal bottom plate 1, it is characterised in that the base
The upper center of seat bottom plate 1 is equipped with support base 2, and 2 top of support base is connected by hinge assembly with the middle part of deflection substrate 3,
Rotating shaft 12 of the substrate 3 in hinge assembly is deflected into horizontal deflection, is equipped between the deflection substrate 3 and pedestal bottom plate 1
A two limit yoke assemblies and deflection driven component, described two limit yoke assemblies respectively symmetrically be located at support base
On the substrate pedestal 1 of 2 both sides, deflection limit assembly is made of limiting bracket 4 and spacing shim 5, the lower end of limiting bracket 4 and base
Seat bottom plate is connected, and the upper end of limiting bracket is equipped with the spacing shim 5 of different-thickness, spacing shim 5 and the deflection right over it
Cam Follower 6 that substrate 3 is equipped with contradicts limit, the deflection driven component be located at one of deflection limit assembly with
On pedestal bottom plate 1 between support base 2, the deflection driven component is by hydraulic cylinder 7, oil cylinder mounting plate 8, oil cylinder fulcrum post
11, oscillating bearing 9 and oil cylinder connecting pin 10 form, and oil cylinder mounting plate 8 is located on substrate pedestal 1, and the lower end of oil cylinder mounting plate 8 is logical
It crosses oil cylinder fulcrum post 11 to be hinged with substrate pedestal 1, the upper end of oil cylinder mounting plate 8 is equipped with hydraulic cylinder 7, under hydraulic cylinder 7
End is connected with oil cylinder mounting plate 8, and the upper end output shaft of hydraulic cylinder 7 is connected with 9 lower end of oscillating bearing, oscillating bearing 9
Upper end is hinged with the oil cylinder connecting pin 10 being located on deflection substrate 3, by driving hydraulic cylinder 7 that deflection substrate 3 is driven to deflect
Realize deflection, the hinge assembly is by 14, the two outer spacer rings of inner split ring of floating bearing 13, one of rotating shaft 12, two
15 and two revolution support plates 16 form, described two floating bearings 13 are respectively provided at the both sides of the hinge hole on support base 2, return
Shaft holds the inner split ring 14 being equipped between 13 for limiting 13 inner ring of floating bearing, and one end of rotating shaft 12 is by one of revolution
Bearing 13 pierces into and is finally pierced by by another floating bearing 13 across inner split ring 14 fixation for realizing rotating shaft 12, described
The lower end of revolution support plate 16 is equipped with the blocked hole 17 coordinated with rotating shaft 12, the rotating shaft 12 for being pierced by 2 both sides of support base
The blocked hole 17 being each passed through on revolution support plate 16 is connected with revolution support plate 16, turns round upper end and the deflection substrate 3 of support plate 16
Middle part be connected, drive deflection substrate 3 to be deflected around rotating shaft 12 by the rotation of rotating shaft 12, described two floating bearings
13 outside is respectively equipped with outer spacer ring 15, and the left and right gap eliminated pedestal bottom plate 1 and deflect substrate 3 is adjusted by outer spacer ring 15,
Limitation deflects the axial position of substrate 3, and the oil cylinder mounting plate 8 in the deflection driven component is located at pedestal bottom plate 1 and is equipped with
Driver slot 18 in, the both sides of the driver slot 18 are respectively equipped with the through-hole across oil cylinder fulcrum post 11, and the oil cylinder returns
Ship and resell on another market 11 both ends are each passed through the through hole of 18 side of driver slot and are fixed through plug 19, oil cylinder installation
Oil-free bushing 20 is socketed on the oil cylinder fulcrum post 11 that the both sides of plate 8 are pierced by, the oil-free bushing 20 is pressed into oil cylinder mounting plate 8
Both sides mitigate the frictional resistance between oil cylinder mounting plate 8 and oil cylinder fulcrum post 11, the deflection right over the spacing shim 5
Substrate 3 is equipped with deflection slot 21, and two Cam Followers 6, the cam are symmetrically fixed in the deflection slot 21
The slot bottom of the outer circle exposed section deflection slot of follower 6, is contacted by the outer circle of Cam Follower 6 with the upper surface of spacing shim 5
Limit ensures that deflection angle, the oil cylinder connecting pin 10 are located in the through-hole being equipped in deflection substrate 3, and the oil cylinder connects
Outbound 10 passes through the through-hole of deflection substrate 3 and being equipped on the deflection substrate 3 at the middle part of through-hole keeps 10 part of oil cylinder connecting pin naked
The oscillating bearing connecting hole 22 of dew, the oscillating bearing 9 are hinged across oscillating bearing connecting hole 22 with oil cylinder connecting pin 10,
Oil cylinder connecting pin 10 is fixed in the both ends of through-hole through plug respectively.
In the use of the present invention, the angle deflected as needed obtains the thickness of spacing shim further according to trigonometric function relationship
Degree, calculating process are as follows：Determine first the radius of gyration R on deflection mechanism of Cam Follower, Cam Follower it is straight
Diameter D, radius r, limiting bracket height H, the high C in support base center are to have determined that parameter, then determine deflection angle β, after angle offset
Cam Follower and limited block plane are tangent, therefore Cam Follower center to limited block upper level is equal to follower radius r,
Cam Follower is calculated to the vertical direction height h at support base center according to deflection angle β（Such as the position relationship in Fig. 9）, h=
sinβ×R（h1=sinβ1×R; h2=sinβ2×R;）, and then spacing shim thickness t=h+C-H-r (t1=h1+C- are calculated again
H-r;T2=h2+C-H-r), wherein h1 and h2 are vertical direction height of two Cam Followers to support base center, t1 respectively
It is the thickness of two spacing shims respectively with t2.
The bias unit of the present invention, occupancy lathe workspace is small, and positioning accuracy is high, and can be connect with lathe
By controlling oil hydraulic cylinder（Or cylinder）Solenoid valve commutate, automatic angle offset in processing is realized, and due to its structure
Exquisiteness may be implemented to carry out multigroup arrangement on the table simultaneously, efficiently use process equipment working space, the present invention is by institute
The upper center for the pedestal bottom plate 1 stated is equipped with support base 2, the middle part phase that 2 top of support base passes through hinge assembly and deflection substrate 3
Connection, rotating shaft 12 of the deflection substrate 3 in hinge assembly is into horizontal deflection, between the deflection substrate 3 and pedestal bottom plate 1
If there are two a limit yoke assembly and deflection driven component, described two limit yoke assemblies respectively symmetrically be located at branch
On the substrate pedestal 1 for supportting 2 both sides of seat, deflection limit assembly is made of limiting bracket 4 and spacing shim 5, the lower end of limiting bracket 4
Be connected with pedestal bottom plate, the upper end of limiting bracket is equipped with the spacing shim 5 of different-thickness, spacing shim 5 with right over it
The Cam Follower 6 that deflection substrate 3 is equipped with contradicts limit, and the deflection driven component is located at one of deflection limit group
On pedestal bottom plate 1 between part and support base 2, the deflection driven component is returned by hydraulic cylinder 7, oil cylinder mounting plate 8, oil cylinder
Ship and resell on another market 11, oscillating bearing 9 and oil cylinder connecting pin 10 forms, and oil cylinder mounting plate 8 is located on substrate pedestal 1, under oil cylinder mounting plate 8
End is hinged by oil cylinder fulcrum post 11 with substrate pedestal 1, and the upper end of oil cylinder mounting plate 8 is equipped with hydraulic cylinder 7, hydraulic cylinder 7
Lower end be connected with oil cylinder mounting plate 8, the upper end output shaft of hydraulic cylinder 7 is connected with 9 lower end of oscillating bearing, oscillating bearing
9 upper end is hinged with the oil cylinder connecting pin 10 being located on deflection substrate 3, by driving hydraulic cylinder 7 to drive deflection substrate 3 inclined
Turn to realize deflection, the hinge assembly by the floating bearing 13, one of rotating shaft 12, two inner split ring 14, two it is outer every
Ring 15 and two revolution support plates 16 form, and described two floating bearings 13 are respectively provided at the both sides of the hinge hole on support base 2,
The inner split ring 14 for limiting 13 inner ring of floating bearing is equipped between floating bearing 13, one end of rotating shaft 12 is by one of them time
Shaft holds 13 and pierces into and be finally pierced by by another floating bearing 13 across inner split ring 14 fixation for realizing rotating shaft 12, described
The lower end of revolution support plate 16 be equipped with the blocked hole 17 that coordinates with rotating shaft 12, the rotating shaft for being pierced by 2 both sides of support base
12 blocked holes 17 being each passed through on revolution support plate 16 are connected with revolution support plate 16, turn round upper end and the deflection substrate of support plate 16
3 middle part is connected, and drives deflection substrate 3 to be deflected around rotating shaft 12 by the rotation of rotating shaft 12, described two rotating shafts
The outside for holding 13 is respectively equipped with outer spacer ring 15, is adjusted by outer spacer ring 15 and eliminates pedestal bottom plate 1 and deflect substrate 3 between left and right
Gap, limitation deflect the axial position of substrate 3, and the oil cylinder mounting plate 8 in the deflection driven component, which is located on pedestal bottom plate 1, to be set
In some driver slots 18, the both sides of the driver slot 18 are respectively equipped with the through-hole across oil cylinder fulcrum post 11, the oil cylinder
The both ends of fulcrum post 11 are each passed through the through hole of 18 side of driver slot and are fixed through plug 19, oil cylinder peace
Oil-free bushing 20 is socketed on the oil cylinder fulcrum post 11 that the both sides of loading board 8 are pierced by, the oil-free bushing 20 is pressed into oil cylinder mounting plate 8
Both sides, mitigate the frictional resistance between oil cylinder mounting plate 8 and oil cylinder fulcrum post 11, it is inclined right over the spacing shim 5
Transglutaminase substrate 3 is equipped with deflection slot 21, is symmetrically fixed with two Cam Followers 6 in the deflection slot 21, described is convex
The slot bottom for taking turns the outer circle exposed section deflection slot of follower 6, is connect by the outer circle and the upper surface of spacing shim 5 of Cam Follower 6
Limit is touched, ensures that deflection angle, the oil cylinder connecting pin 10 are located in the through-hole being equipped in deflection substrate 3, the oil cylinder
Connecting pin 10, which passes through the through-hole of deflection substrate 3 and is equipped on the deflection substrate 3 at the middle part of through-hole, makes 10 part of oil cylinder connecting pin
Exposed oscillating bearing connecting hole 22, the oscillating bearing 9 pass through oscillating bearing connecting hole 22 to be cut with scissors with 10 phase of oil cylinder connecting pin
It connects, oil cylinder connecting pin 10 is fixed in the both ends of through-hole through plug respectively, with simple in structure, easy to use, positioning accuracy is high, can be square
Just the advantages that realizing angular transformation.
Claims (6)
1. a kind of high-precision bias unit of adjustable angle, be equipped with pedestal bottom plate, it is characterised in that the pedestal bottom plate it is upper
Side middle part is equipped with support base, and support base top in the middle part of hinge assembly and deflection substrate by being connected, and deflection substrate is around hinge
Rotating shaft in connected components into horizontal deflection, set between the deflection substrate and pedestal bottom plate there are two limit yoke assembly and one
A deflection driven component, described two limit yoke assemblies being located on the substrate pedestal of support base both sides respectively symmetrically, partially
Turn limit assembly to be made of limiting bracket and spacing shim, the lower end of limiting bracket is connected with pedestal bottom plate, limiting bracket
Upper end is equipped with the spacing shim of different-thickness, and spacing shim is contradicted with the Cam Follower that the deflection substrate right over it is equipped with
Limit, the deflection driven component is located on the pedestal bottom plate between one of deflection limit assembly and support base, described
Deflection driven component be made of hydraulic cylinder, oil cylinder mounting plate, oil cylinder fulcrum post, oscillating bearing and oil cylinder connecting pin, oil cylinder
Mounting plate is located on substrate pedestal, and the lower end of oil cylinder mounting plate is hinged by oil cylinder fulcrum post with substrate pedestal, oil cylinder installation
The upper end of plate is equipped with hydraulic cylinder, and the lower end of hydraulic cylinder is connected with oil cylinder mounting plate, the upper end output shaft of hydraulic cylinder and
Oscillating bearing lower end is connected, and the upper end of oscillating bearing is hinged with the oil cylinder connecting pin being located on deflection substrate, passes through driving
Hydraulic cylinder and then driving deflection substrate realization deflection.
2. a kind of high-precision bias unit of adjustable angle according to claim 1, it is characterised in that described hinged group
Part is made of a rotating shaft, two floating bearings, an inner split ring, two outer spacer rings and two revolution support plates, and described two
A floating bearing is respectively provided at the both sides of the hinge hole on support base, is equipped between floating bearing for limiting floating bearing inner ring
Inner split ring, one end of rotating shaft is pierced by one of floating bearing and passes through inner split ring finally by another floating bearing
It is pierced by the fixation for realizing rotating shaft, the lower end of the revolution support plate is equipped with the blocked hole coordinated with rotating shaft, and described is pierced by
The rotating shaft of support base both sides be each passed through revolution support plate on blocked hole with revolution support plate be connected, turn round support plate upper end and
It is connected in the middle part of deflection substrate, drives deflection substrate to be deflected around rotating shaft by the rotation of rotating shaft, described two revolutions
It is respectively equipped with outer spacer ring on the outside of bearing, the left and right gap eliminated pedestal bottom plate and deflect substrate, limitation are adjusted by outer spacer ring
Deflect the axial position of substrate.
3. a kind of high-precision bias unit of adjustable angle according to claim 1, it is characterised in that the deflection is driven
Oil cylinder mounting plate in dynamic component is located in the driver slot that pedestal bottom plate is equipped with, and the both sides of the driver slot, which are respectively equipped with, wears
Cross the through-hole of oil cylinder fulcrum post, the both ends of the oil cylinder fulcrum post be each passed through the through hole of driver slot side and through plug into
Row is fixed, and oil-free bushing, oil-free lining are socketed on the oil cylinder fulcrum post that the both sides of the oil cylinder mounting plate are pierced by
The both sides of set indentation oil cylinder mounting plate, mitigate the frictional resistance between oil cylinder mounting plate and oil cylinder fulcrum post.
4. a kind of high-precision bias unit of adjustable angle according to claim 1, it is characterised in that the limit pad
Deflection substrate right over piece is equipped with deflection slot, and two Cam Followers, institute are symmetrically fixed in the deflection slot
The slot bottom of the outer circle exposed section deflection slot for the Cam Follower stated, passes through the outer circle of Cam Follower and the upper surface of spacing shim
Contact limit, ensures deflection angle.
5. a kind of high-precision bias unit of adjustable angle according to claim 1, it is characterised in that the oil cylinder connects
Outbound is located in the through-hole being equipped in deflection substrate, and the oil cylinder connecting pin passes through the through-hole of deflection substrate and in through-hole
The deflection substrate in portion, which is equipped with, makes the barish oscillating bearing connecting hole of oil cylinder connecting pin, and the oscillating bearing passes through joint
Bearing connecting hole is hinged with oil cylinder connecting pin, and oil cylinder connecting pin is fixed in the both ends of through-hole through plug respectively.
6. a kind of high-precision bias unit of adjustable angle according to claim 1, it is characterised in that deflection as needed
Angle obtain the thickness of spacing shim further according to trigonometric function relationship, calculating process is as follows：Cam Follower is determined first
The radius of gyration R on deflection mechanism, Cam Follower diameter D, radius r, limiting bracket height H, the high C in support base center
To have determined that parameter, then determine deflection angle β, Cam Follower and limited block plane are tangent after angle offset, therefore cam following
Device center to limited block upper level is equal to follower radius r, is calculated in Cam Follower to support base according to deflection angle β
The vertical direction height h of the heart（Such as the position relationship in Fig. 9）, h=sin β × R（h1=sinβ1×R; h2=sinβ2×R;）, into
And spacing shim thickness t=h+C-H-r (t1=h1+C-H-r are calculated again;T2=h2+C-H-r), wherein h1 and h2 are two respectively
For a Cam Follower to the vertical direction height at support base center, t1 and t2 are the thickness of two spacing shims respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810524221.7A CN108515356A (en) | 2018-05-28 | 2018-05-28 | A kind of high-precision bias unit of adjustable angle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810524221.7A CN108515356A (en) | 2018-05-28 | 2018-05-28 | A kind of high-precision bias unit of adjustable angle |
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| CN201810524221.7A Pending CN108515356A (en) | 2018-05-28 | 2018-05-28 | A kind of high-precision bias unit of adjustable angle |
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