CN208068031U - A kind of dynamic polishing power head of multidimensional force feedback flexible floating - Google Patents
A kind of dynamic polishing power head of multidimensional force feedback flexible floating Download PDFInfo
- Publication number
- CN208068031U CN208068031U CN201820386315.8U CN201820386315U CN208068031U CN 208068031 U CN208068031 U CN 208068031U CN 201820386315 U CN201820386315 U CN 201820386315U CN 208068031 U CN208068031 U CN 208068031U
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- China
- Prior art keywords
- spring
- power head
- force feedback
- polishing power
- compliant mechanism
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Abstract
The utility model is related to a kind of dynamic polishing power heads of multidimensional force feedback flexible floating, include the second compliant mechanism of main casing, the main shaft for providing output power, fixed mechanism, detent mechanism, the first compliant mechanism for incuding and buffering axial force on main shaft and radial load；Fixed mechanism includes drive end bearing bracket and rear end cap, big spring；Detent mechanism includes check ring, middle shaft retaining ring, rear axle baffle ring；First compliant mechanism includes spring fixed hub, the first spring, first pressure sensor, anti-rotation baffle-plate-sleeve；Second compliant mechanism includes spring fixed cross axle sleeve, second spring, fixing device, second pressure sensor.The utility model solve the problems, such as to float polishing power head cost is excessively high or inexpensive polishing power head precision is not high, can only realize the control and measurement of axial force, realize multidimensional float polish, Force feedback, and control polishing feeding distance.
Description
Technical field
The utility model is related to grinding device technical field, the dynamic polishing of specifically a kind of multidimensional force feedback flexible floating is dynamic
Power head.
Background technology
Currently, industrial polishing demand is flooded with market various aspects and industry-by-industry, such as automobile industry, daily necessities processing row
Industry, medical equipment etc., it is well known that the precision and efficiency of traditional manual polishing are unable to get guarantee, and human cost is growing day by day,
And polishing dust is big to human injury, and automatically grinding has been pushed to current market naturally.
Rigidity polishing power head on open market often will appear grinding head damage due to that cannot judge polish power and position
It is bad and polish ineffective, the problems such as causing polishing precision not enough and added cost；Existing floating polishing power head, precision energy
Enough meet, but cost is too high, price is slightly low, and precision does not reach requirement again.
Invention content
In order to avoid with solve above-mentioned technical problem, the utility model proposes a kind of dynamic polishings of multidimensional force feedback flexible floating
Power head.
Technical problem to be solved in the utility model is realized using following technical scheme：
A kind of dynamic polishing power head of multidimensional force feedback flexible floating, including main casing, interior be equipped with of the main casing provide output
The main shaft of power, the fixed mechanism for installing main shaft and detent mechanism, the first flexibility for incuding and buffering axial force on main shaft
Second compliant mechanism of mechanism and radial load.
First compliant mechanism and the second compliant mechanism are arranged between main casing and main shaft, for incuding gentle charge and attack
Power and the real-time detection practical amount of feeding are ground, and track path can be adjusted immediately according to preset planning path.Meanwhile by main shaft
It is limited in main casing, and defines its motion range.
The main shaft is common main shaft in the market, can be electro spindle or pneumatic main shaft, based on the left part of the main shaft 1
Axis front end.
Preferably, the fixed mechanism includes that installation drive end bearing bracket on a main housing and rear end cap, both ends are connected to
Big spring on second compliant mechanism and drive end bearing bracket.The big spring is distributed with main shaft for coaxial line.
Preferably, the drive end bearing bracket is equipped with the bolt by drive end bearing bracket fixation on a main housing.
Preferably, the inner ring of the rear end cap is equipped with the inclined-plane of lower section and outer chamfer side diagonally forward so that the main shaft
In clearance fit and it is point contact with rear end cap.
Preferably, the detent mechanism includes the check ring being mounted on the second compliant mechanism rear end face, both ends difference
The middle shaft retaining ring that is supported on check ring and the first compliant mechanism, both ends be respectively supported at mounted on the first compliant mechanism and after
Rear axle baffle ring on end cap.
Preferably, first compliant mechanism include spring fixed hub, both ends be separately mounted to spring fixed hub and
The first spring in rear end cap, both ends be respectively supported at first pressure sensor on the first spring and in spring fixed hub,
With the coaxial mounted anti-rotation baffle-plate-sleeve of spring fixed hub.
Preferably, the spring fixed hub is equipped with boss, and the boss is equipped with and is locked at spring fixed hub
Hexagon socket head cap screw on main shaft, the left end of the boss are equipped with the cutting part for facilitating clamping.
Preferably, one end of the big spring is sleeved on the boss of spring fixed hub and the other end is fixed on check ring
On.In use, so that main shaft is not fallen off in a free state.
Preferably, one end of the middle shaft retaining ring is connected with check ring and the other end is connected on anti-rotation baffle-plate-sleeve.
Preferably, 4 circular holes are provided on the large end face of the spring fixed hub, the circular hole is for installing first
Spring and first pressure sensor.
Preferably, the periphery of the spring fixed hub is equipped with oblique torsional stop, the inner circle of the anti-rotation baffle-plate-sleeve
Face is equipped with the torsional stop of the excessive rotation of limited spring fixing axle interplanting coordinated with oblique torsional stop.
Preferably, it has been connected through a screw thread the first spring of installation on the rear end cap and has been tensioned on the first spring for adjusting
The fixing bolt of power.
Preferably, second compliant mechanism includes spring fixed cross axle sleeve, is mounted in spring fixed cross axle sleeve
Second spring, coordinate with spring fixed cross axle sleeve and limit the fixing device of second spring position, both ends are respectively supported at
Second pressure sensor in second spring and fixing device.
Preferably, the spring fixed cross axle sleeve is equipped with the peace for being same as installation second spring and second pressure sensor
Fill circular hole.
The spring fixed cross axle sleeve is mounted on the left end of main shaft.
Preferably, the fixing device includes the two separable combination sections in left and right.
A kind of application method of the dynamic polishing power head of multidimensional force feedback flexible floating, includes the following steps：
1) depth is adjusted：The screw-in depth for changing fixing bolt adjusts the pretightning force of the first spring.
2) it predicts：According to the default amount of feeding work, perceive and buffers respectively by corresponding pressure sensor axial force with
Radial load.
3) initial：The pre set force of fixing bolt is preset, the power head is in initial position, displacement 0 at this time.
4) it works：The default amount of feeding of the power head is x1, second spring physical length be x2, corresponding pressure sensor
The pressure measured is F1And F2。
5) it calculates：By formula：
F=Kx；
Obtain the instant length of the first spring and second spring, wherein K1And K2Respectively axially and radially go up spring mould
Amount.
Again by formula：
x3=x1-(F2/K1)
x4=x2-(F1/K2)
Wherein, x3For power head axial displacement, x4For radial displacement, x is the instant displacement of power head；It can according to x
With the real-time detection practical amount of feeding, and track path can be adjusted immediately according to preset planning path；Wherein, x is the power head
In the practical amount of feeding axially or radially.
When the utility model at work, desired guiding trajectory parameter, power head start to work, are detected and counted by sensor first
Count evidence, and through formula obtain comparison judge data whether with it is default consistent, be such as YES, then the power head works on, instead
It, then will determine that data with it is default relatively simultaneously adjusting parameter, back within the state that the power head starts, work.
Original paper is exported as thrust using spring in the utility model, spring end is equipped with spring fixing bolt, can adjust
The decrement of spring is saved, while facilitating repair or replacing spring, and is automatically adjusted according to abrasive material and is applicable in beating for such material
Grind power；By the pressure sensor mounted on spring end, realize the power of detection polishing in real time, and measured according to polishing power polish into
To displacement；Radial compliance floating power can also spring come realize adjust and by sensor measurement polish power and feeding displacement.
The utility model has the beneficial effects that：
The utility model have the advantages that it is simple in structure, at low cost, solve floating polishing power head cost it is excessively high or low
Cost polishing power head precision is not high, can only realize the problem of control and measurement of axial force；May be implemented multidimensional float polishing,
Force feedback, and by the control of force feedback realization power, while can also realize the control to feeding distance of polishing, it is led in polishing
Domain is extremely important.
Description of the drawings
The utility model is further illustrated with reference to the accompanying drawings and examples.
Fig. 1 is the main structure schematic cross-sectional view of the utility model；
Fig. 2 is the left view of the utility model；
Fig. 3 is the agent structure schematic diagram of the utility model；
Fig. 4 is the right view of the utility model；
Fig. 5 is the first compliant mechanism schematic diagram for perceiving and buffering axial force in the utility model；
Fig. 6 is the structural schematic diagram after fixing device separation in the utility model；
Fig. 7 is the second flexible machine composition for perceiving and buffering radial load in the utility model；
Fig. 8 is the sectional view of the second compliant mechanism in the utility model；
Fig. 9 is the control method schematic diagram of the utility model.
Specific implementation mode
In order to make the technical means, creative features, achievement of purpose, and effectiveness of the utility model be easy to understand, under
It is expanded on further in face of the utility model.
As shown in Figures 1 to 9, the dynamic polishing power head of a kind of multidimensional force feedback flexible floating, including main casing 4, the main casing
It is equipped in body 4 and provides main shaft 1, the fixed mechanism for installing main shaft 1 and the detent mechanism of output power, for incuding and buffering main shaft
Second compliant mechanism of the first compliant mechanism of axial force and radial load on 1.
First compliant mechanism and the second compliant mechanism are arranged between main casing 4 and main shaft 1, for incuding and buffering
Power of polishing and the real-time detection practical amount of feeding, and track path can be adjusted immediately according to preset planning path.Meanwhile it will lead
Axis 1 is limited in main casing 4, and defines its motion range.
The main shaft 1 is common main shaft in the market, can be electro spindle or pneumatic main shaft, the left part of the main shaft 1 is
Front-end of spindle 2.
The fixed mechanism includes that the drive end bearing bracket 3 being mounted on main casing 4 and rear end cap 5, both ends are connected to second
Big spring 12 on compliant mechanism and drive end bearing bracket 3.The big spring 12 is distributed with main shaft 1 for coaxial line.
The drive end bearing bracket 3 is equipped with the bolt 16 being fixed on drive end bearing bracket 3 on main casing 4.
The inner ring of the rear end cap 5 is equipped with the inclined-plane of lower section and outer chamfer side diagonally forward so that the main shaft 1 and rear end
Lid 5 is in clearance fit and is point contact.In use, point action is played in the outside of 5 inner ring of the rear end cap with 1 point contact of main shaft.
The detent mechanism includes the check ring 13 being mounted on the second compliant mechanism rear end face, both ends are respectively supported at
Middle shaft retaining ring 14 on check ring 13 and the first compliant mechanism, both ends are respectively supported at mounted on the first compliant mechanism and rear end
Rear axle baffle ring 15 on lid 5.In use, check ring 13, middle shaft retaining ring 14 and rear axle baffle ring 15 are by each master of the power head
Component is wanted to be limited in respective fixed position.
First compliant mechanism includes that spring fixed hub 10, both ends are separately mounted to spring fixed hub 10 and rear end
The first spring 11 in lid 5, both ends are respectively supported at the sensing of the first pressure on the first spring 11 and in spring fixed hub 10
Device 24 and 10 coaxial mounted anti-rotation baffle-plate-sleeve 9 of spring fixed hub.
The spring fixed hub 10 is equipped with equipped with boss 10b, the boss 10b and locks spring fixed hub 10
Hexagon socket head cap screw 19 on main shaft 1, the left end of the boss 10b are equipped with the cutting part 22 for facilitating clamping.
One end of the big spring 12 is sleeved on the boss 10b of spring fixed hub 10 and the other end is fixed on check ring
On 13.In use, so that main shaft 1 is not fallen off in a free state.
One end of the middle shaft retaining ring 14 is connected with check ring 13 and the other end is connected on anti-rotation baffle-plate-sleeve 9.
It is provided with 4 circular hole 10c on the large end face of the spring fixed hub 10, the circular hole 10c is for installing the
One spring 11 and first pressure sensor 24.
The periphery of the spring fixed hub 10 is equipped with oblique torsional stop 10a, the inner headed face of the anti-rotation baffle-plate-sleeve 9
It is equipped with the torsional stop 9a that the limited spring fixed hub 10 coordinated with oblique torsional stop 10a rotates.In use, the torsional stop
9a can only prevent spring fixed hub 10 from excessive rotation occurs without preventing it from the rotation in smaller range occurs.
The first spring 11 of installation is connected through a screw thread on the rear end cap 5 and for adjusting tensile force on the first spring 11
Fixing bolt 17.The fixing bolt 17 is equipped with the mounting hole 17a of the first spring 11 of installation.
Second compliant mechanism includes spring fixed cross axle sleeve 7, second in spring fixed cross axle sleeve 7
Spring 18 is respectively supported at the fixing device 6 of the cooperation of spring fixed cross axle sleeve 7 and 18 position of limitation second spring, both ends
Second pressure sensor 23 in second spring 18 and fixing device 6.
The spring fixed cross axle sleeve 7 is equipped with the installation for being same as installation second spring 18 and second pressure sensor 23
Circular hole 7a.
The spring fixed cross axle sleeve 7 is mounted on the left end of main shaft 1.
The fixing device 6 includes the two separable combination sections in left and right.
A kind of application method of the dynamic polishing power head of multidimensional force feedback flexible floating, includes the following steps：
1) depth is adjusted：By adjusting the screw-in depth of the fixing bolt 17 of the first spring 11, according to rapidoprint, adjustment the
The pretightning force of one spring 11.
2) it predicts：The power head is in initial position, and when being moved according to the default amount of feeding, the first spring 11 will produce axis
To floating power to realize power head flexible working, first pressure sensor 24 detects axial force；In addition radial load perception is gentle
The compliant mechanism of punching can generate buffering to radial power, and second pressure sensor 23 can detect radial load.
3) initial：The pre set force of fixing bolt 17, the power head are in initial position, displacement on default first spring 11
It is 0.
4) it works：The default amount of feeding of the power head is x1, second spring 18 physical length be x2, first pressure sensing
The pressure that device 24 and second pressure sensor 23 measure is F1And F.
5) it calculates：By formula：
F=Kx；
Obtain the instant length of the first spring 11 and second spring 18, wherein K1And K2Respectively axially and radially go up spring bullet
Property modulus；
Again by formula：
x3=x1-(F2/K1)；
x4=x2-(F1/K2)；
Wherein, x3For power head axial displacement, x4For radial displacement, x is the instant displacement of power head.
Can be with the real-time detection practical amount of feeding according to x, and track path can be adjusted immediately according to preset planning path；Its
In, x is the power head in the practical amount of feeding axially or radially.
When the utility model at work, desired guiding trajectory parameter, power head start to work, are detected and counted by sensor first
Count evidence, and through formula obtain comparison judge data whether with it is default consistent, be such as YES, then the power head works on, instead
It, then will determine that data with it is default relatively simultaneously adjusting parameter, back within the state that the power head starts, work.
Basic principles, main features, and advantages of the present invention has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model also has
Various changes and modifications, these changes and improvements are both fallen in claimed the utility model.The requires of the utility model is protected
Range is defined by the appending claims and its equivalent thereof.
Claims (9)
1. a kind of dynamic polishing power head of multidimensional force feedback flexible floating, including main casing (4), it is characterised in that：The main casing (4)
Interior be equipped with provides main shaft (1), the fixed mechanism for installing main shaft (1) and the detent mechanism of output power, for incuding and buffering master
Second compliant mechanism of the first compliant mechanism of axial force and radial load on axis (1).
2. a kind of dynamic polishing power head of multidimensional force feedback flexible floating according to claim 1, it is characterised in that：The fixation
Mechanism include be mounted on main casing (4) on drive end bearing bracket (3) and rear end cap (5), both ends be connected to the second compliant mechanism and
Big spring (12) on drive end bearing bracket (3).
3. a kind of dynamic polishing power head of multidimensional force feedback flexible floating according to claim 2, it is characterised in that：The rear end
The inner ring for covering (5) is equipped with the inclined-plane of lower section diagonally forward so that the main shaft (1) and rear end cap (5) are in clearance fit and are point
Contact.
4. a kind of dynamic polishing power head of multidimensional force feedback flexible floating according to claim 2, it is characterised in that：The positioning
Mechanism include be mounted on the second compliant mechanism rear end face on check ring (13), both ends be respectively supported at check ring (13) and
Middle shaft retaining ring (14) on first compliant mechanism, both ends are respectively supported on the first compliant mechanism and rear end cap (5)
Rear axle baffle ring (15).
5. a kind of dynamic polishing power head of multidimensional force feedback flexible floating according to claim 2, it is characterised in that：Described first
Compliant mechanism includes that spring fixed hub (10), both ends are separately mounted in spring fixed hub (10) and rear end cap (5)
One spring (11), both ends are respectively supported at the first pressure sensor on the first spring (11) and in spring fixed hub (10)
(24), with the coaxial mounted anti-rotation baffle-plate-sleeve (9) of spring fixed hub (10).
6. a kind of dynamic polishing power head of multidimensional force feedback flexible floating according to claim 5, it is characterised in that：The spring
The periphery of fixed hub (10) is equipped with oblique torsional stop (10a), the inner headed face of the anti-rotation baffle-plate-sleeve (9) be equipped with it is oblique
The torsional stop (9a) that the limited spring fixed hub (10) coordinated to torsional stop (10a) rotates.
7. a kind of dynamic polishing power head of multidimensional force feedback flexible floating according to claim 5, it is characterised in that：The rear end
The first spring of installation (11) and the fixing bolt for adjusting tensile force on the first spring (11) are connected through a screw thread on lid (5)
(17)。
8. a kind of dynamic polishing power head of multidimensional force feedback flexible floating according to claim 1, it is characterised in that：Described second
Compliant mechanism include spring fixed cross axle sleeve (7), be mounted on spring fixed cross axle sleeve (7) in second spring (18), with
Spring fixed cross axle sleeve (7) coordinates and limits the fixing device (6) of second spring (18) position, both ends are respectively supported at second
Second pressure sensor (23) in spring (18) and fixing device (6).
9. a kind of dynamic polishing power head of multidimensional force feedback flexible floating according to claim 8, it is characterised in that：The fixation
Device (6) includes the two separable combination sections in left and right.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820386315.8U CN208068031U (en) | 2018-03-21 | 2018-03-21 | A kind of dynamic polishing power head of multidimensional force feedback flexible floating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820386315.8U CN208068031U (en) | 2018-03-21 | 2018-03-21 | A kind of dynamic polishing power head of multidimensional force feedback flexible floating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208068031U true CN208068031U (en) | 2018-11-09 |
Family
ID=64047580
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820386315.8U Expired - Fee Related CN208068031U (en) | 2018-03-21 | 2018-03-21 | A kind of dynamic polishing power head of multidimensional force feedback flexible floating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208068031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117283047A (en) * | 2023-11-24 | 2023-12-26 | 苏州海通机器人系统有限公司 | Deep hole radial and angle simultaneous floating deburring device and method |
-
2018
- 2018-03-21 CN CN201820386315.8U patent/CN208068031U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117283047A (en) * | 2023-11-24 | 2023-12-26 | 苏州海通机器人系统有限公司 | Deep hole radial and angle simultaneous floating deburring device and method |
| CN117283047B (en) * | 2023-11-24 | 2024-02-23 | 苏州海通机器人系统有限公司 | Deep hole radial and angle simultaneous floating deburring device and method |
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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: 20181109 Termination date: 20200321 |