CN208723703U - A kind of magnetic coupling drive and its transmission shaft rotational structure - Google Patents
A kind of magnetic coupling drive and its transmission shaft rotational structure Download PDFInfo
- Publication number
- CN208723703U CN208723703U CN201821613830.1U CN201821613830U CN208723703U CN 208723703 U CN208723703 U CN 208723703U CN 201821613830 U CN201821613830 U CN 201821613830U CN 208723703 U CN208723703 U CN 208723703U
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- China
- Prior art keywords
- transmission shaft
- bearing block
- installing pipe
- idler wheel
- magnetic coupling
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Abstract
The utility model relates to a kind of magnetic coupling drive and its transmission shaft rotational structures, rotational structure includes the bearing block installed for transmission shaft and the bearing that is set in bearing block, the outer diameter of bearing block is less than the internal diameter of installing pipe, on bearing block it is circumferentially arranged have multiple axis perpendicular to drive shaft axis and the idler wheel that is engaged for the inner wall with installing pipe.Idler wheel is contacted with the inner wall of installing pipe always rolls the axial movement that cooperation reduces frictional force realization transmission shaft, the rotational structure is set in installing pipe, medium position and other positions in installing pipe can be placed in, and it avoids relying only on installation tube end and transmission shaft guiding installation in the prior art, it avoids causing the terminal guide part of transmission shaft and installing pipe that serious friction occurs by the gravity of middle section since propeller shaft length is longer, bearing inside bearing block realizes the rotational installation of transmission shaft, the function of increasing driver can satisfy the practical requirement made at multiplexing in production.
Description
Technical field
The utility model relates to the drivers on vacuum equipment, are specifically related to a kind of magnetic coupling drive and its transmission shaft
Use rotational structure.
Background technique
Vacuum equipment can be used in vacuum coating, semiconductor and aerospace field, vacuum equipment generally comprises very
Cavity body and the driver being set on vacuum cavity, traditional driver are generally mechanical driver, using motor or
The mode of driving cylinder is as power output, but which leads to driver that volume is larger, and weight is larger, and electric at work
The vibration that machine or driving cylinder generate will lead to the problems such as poorly sealed between driver and vacuum cavity.And using motor or
Driving cylinder causes the volume of entire driver larger, and installation is inconvenient, particularly with the place of some narrow spaces.
Authorization Notice No. is that the Chinese utility model patent of 204546080 U of CN discloses a kind of magnetic coupling vacuum linear
Rotating driver, including handle, strong card case, external main line, that is, installing pipe, internal mobile pipeline, that is, transmission shaft and angle tune
Device is saved, handle is set on strong card case, and structure is simple, can drive internal shifting by the mobile strong card case of handle in operation
The movement of dynamic pipeline, solves the above problem and entire driver is completed to be tightly connected by vacuum flange and vacuum cavity.
But transmission shaft can only move along a straight line the driver at work, can not achieve rotation function, and transmission shaft guiding is installed on
In external main line, guide frame is generally located on the end of external main line, and transmission shaft is longer, the weight in middle section
It is easy to happen serious friction at the terminal guide cooperation of power lower drive shaft and external main line, guiding cooperation precision is reduced, reduces
Service life.
Utility model content
The purpose of the utility model is to provide a kind of magnetic coupling drive transmission shaft rotational structures, to solve the prior art
In transmission shaft the problem of cannot rotating and serious friction easily occurs when transmission shaft and the terminal guide of installing pipe；Meanwhile this reality
It is also resided in novel purpose and a kind of magnetic coupling drive using the transmission shaft rotational structure is provided.
To achieve the above object, a kind of magnetic coupling drive transmission shaft of the utility model uses following skill with rotational structure
Art scheme: a kind of magnetic coupling drive transmission shaft rotational structure including the bearing block installed for transmission shaft and is set to bearing
Bearing in seat, the outer diameter of bearing block are less than the internal diameter of installing pipe, circumferentially arranged on bearing block to have multiple axis perpendicular to biography
Moving axis axis and idler wheel for being engaged with the inner wall of installing pipe.
The idler wheel is all set on the same end of bearing block, on bearing block in be equipped with idler wheel end face on be provided with for pass
The central tube that moving axis is coated with, each idler wheel is circumferentially in the outside of central tube.
There are four right-angle shaped mounting plate, circumferentially-adjacent two right-angle shaped mounting plates for setting on the corresponding end-faces of the bearing block
Two side plates be oppositely arranged and be rotatablely installed for respective roller by pin shaft, two side plates of any one right-angle shaped mounting plate it
Between formed for pin assembling/disassembling dismounting notch.
A kind of magnetic coupling drive of the utility model adopts the following technical scheme that a kind of magnetic coupling drive, including peace
Tubulature, the end of installing pipe are provided with the mounting flange for being tightly connected with vacuum cavity, and the installing pipe is internally provided with
Transmission shaft, the end of transmission shaft are provided with collet, and transmission shaft is set in installing pipe by rotational structure, and rotational structure includes supplying
The bearing block that transmission shaft installs and the bearing being set in bearing block, the outer diameter of bearing block are less than the internal diameter of installing pipe, bearing block
It is upper it is circumferentially arranged have multiple axis perpendicular to drive shaft axis and the idler wheel that is engaged for the inner wall with installing pipe.
The idler wheel is all set on the same end of bearing block, on bearing block in be equipped with idler wheel end face on be provided with for pass
The central tube that moving axis is coated with, each idler wheel is circumferentially in the outside of central tube.
There are four right-angle shaped mounting plate, circumferentially-adjacent two right-angle shaped mounting plates for setting on the corresponding end-faces of the bearing block
Two side plates be oppositely arranged and be rotatablely installed for respective roller by pin shaft, two side plates of any one right-angle shaped mounting plate it
Between formed for pin assembling/disassembling dismounting notch.
The transmission shaft includes transmission shaft first part and transmission shaft second part, and is provided in transmission shaft first part
One stressed member is provided with the second stressed member on transmission shaft second part, and the quantity of mounting structure is four, and mounting structure includes position
In first mounting structure of first stressed member one end and being oppositely arranged with the first mounting structure positioned at the first stressed member other end
The second mounting structure, the first mounting structure and the second mounting structure be rotatablely installed for transmission shaft first part, and mounting structure is also
Including being located at the third mounting structure of second stressed member one end and positioned at the second stressed member other end and third mounting structure phase
To the 4th mounting structure of setting, third mounting structure and the 4th mounting structure are rotatablely installed for transmission shaft second part.
The utility model has the beneficial effects that idler wheel contacts rolling cooperation with the inner wall of installing pipe always reduces frictional force realization
The axial movement of transmission shaft, the rotational structure are set in installing pipe, can be placed in medium position and other positions in installing pipe,
And avoid relying only on installation tube end and transmission shaft guiding installation in the prior art, it avoids since propeller shaft length is longer by centre
Partial gravity causes the terminal guide part of transmission shaft and installing pipe that serious friction occurs, and the bearing inside bearing block, which is realized, to be passed
The rotational installation for sending axis increases the function of driver, can satisfy the practical requirement made at multiplexing in production.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of one embodiment of magnetic coupling drive of the utility model；
Fig. 2 is the schematic diagram of internal structure of magnetic coupling drive；
Fig. 3 is partial enlarged view of the Fig. 2 at A；
Fig. 4 is the mounting structure schematic diagram of collet and guide sleeve and shaft；
Fig. 5 is the structural schematic diagram of mounting plate；
Fig. 6 is the structural schematic diagram of stressed member；
Fig. 7 is the structural schematic diagram of rotational structure；
Fig. 8 is the cross-sectional view of drive mechanism.
Specific embodiment
A kind of embodiment of the magnetic coupling drive of the utility model, as Figure 1-Figure 8, including installing pipe 1, installing pipe
1 end is provided with the mounting flange 3 for being tightly connected with vacuum cavity, close by mounting flange 3 and vacuum cavity completion
Envelope connection.Installing pipe 1 is internally provided with transmission shaft 2, and the end of transmission shaft 2 is provided with collet 4, is provided with and is used in installing pipe 1
It drives transmission shaft 2 and collet 4 forward motion and to open and close the first magnetic coupling driving structure of collet 4 together, is also set up in installing pipe 1
Have for drive transmission shaft 2 and collet 4 together backward movement and rotary chuck 4 the second coupling driving structure.
Transmission shaft 2 includes the transmission shaft first part 10 set gradually along the longitudinal direction and transmission shaft second part 9, transmission
The first stressed member 24 of magnetic conduction is provided in axis first part 10, the first magnetic coupling driving structure includes being sheathed on the outside of installing pipe
The last the first card case 6 corresponding with the first stressed member 24.The second stressed member of magnetic conduction is provided on transmission shaft second part 9
23, the second magnetic coupling driving structure includes the last the second card case corresponding with the second stressed member 23 for being sheathed on 1 outside of installing pipe
5, each strong card case is internally provided with magnet.First stressed member and the second stressed member are all made of electromagnetic pure iron material, and structure is simple,
And can be with high temperature resistant, middle stressed member uses strong magnetic material compared with the prior art, when temperature reaches 180 DEG C or more in installing pipe
Demagnetization phenomenon is had, product is not available.On the outside of installing pipe 1 between the last the first card case 6 and the last the second card case 5
Separation sleeve 7 is provided with to guarantee the last the first card case 6 and 24 position of the first stressed member correspondence and the last the second card case 5 and second
23 position of stressed member is corresponding.When the last the first card case 6 moves forward and transmission shaft is driven to go ahead, while the can be pushed forward
The last two card case forward motion drives the second stressed member to move forward, increases transmission shaft by forward by the last the second card case
Mobile power, and if being not provided with separation sleeve, when the last the first card case moves forward and transmission shaft is driven to go ahead, the second stress
Part, which moves forward, will receive the resistance of magnet in the last the second card case.
Transmission shaft second part 9 is hollow shaft structure, and the first magnetic coupling driving structure further includes being set to transmission shaft second
The shaft 8 of partial interior is connected between transmission shaft first part 10 and transmission shaft second part 9 by connector sleeve 16, transmission shaft
First part 10 is rotatably dispose in connector sleeve 16, and transmission shaft second part 9 links together with connector sleeve 16, to realize front and back
The transmitting of power on direction.Both transmission shaft first part 10 and transmission shaft second part 9 can independently rotate, non-interference.Turn
Axis 8 is connected in transmission shaft first part 10 to rotate together with transmission shaft first part 10.
The end of transmission shaft second part 9 is connected with collet casing 13, axially directed moves inside collet casing 13 along its
It is provided with guide sleeve 14, guide sleeve 14 is threadedly engaged with shaft 8 connect i.e. shaft 8 with the screw thread being threadedly coupled with guide sleeve 14
Section 81.Collet 4 includes first collet segment 12 and second collet segment hinged by pin shaft, on each collet segment
It is provided with first hinge hole hinged with collet casing, is provided with the second hinge hole 21 corresponding with above-mentioned pin shaft on guide sleeve 14
So that the first collet segment 12, the second collet segment and 14 three of guide sleeve are hinged by a logical pin shaft.Collet sleeve
Collet casing hinge hole 22 is correspondingly arranged on each first hinge hole on pipe 13.When the last the first card case rotates, transmission shaft first
Part drives shaft to rotate together, and shaft and being threadedly engaged for guide sleeve drive guide sleeve to be moved forward and backward, final to drive two folders
Head divides relative motion with closure or openness collet.The rotation of the last the second card case can drive transmission shaft first part to rotate,
And then drive the rotation of collet.Collet can realize that collet can when retreating by the promotion forward of the last the first card case when advancing
To be realized by the rear in-migration of the last the second card case.Two sets of drivings work independently from each other, non-interference and cooperate with each other, from
And realize product function.
Each strong card case includes annular outer cover 17 and the mounting plate 18 that is set to inside annular outer cover 17,18 edge of mounting plate
Multiple mounting holes 19 for magnet installation are provided at circumferentially spaced, the rear and front end of annular outer cover 17 is provided with shell baffle ring 20.
The quantity of mounting plate 18 is two and is set to the both ends of annular outer cover along time interval, the quantity of shell baffle ring and mounting plate
Quantity is corresponding, and shell baffle ring is connect with installation plate bolt.The quantity of mounting hole 19 in the present embodiment on each mounting plate is 6
And circumferentially uniform intervals are arranged.It is circumferentially arranged on shell baffle ring to have scale strip 26, it can accurately control the rotation angle of collet
Degree and Forward or the distance retreated.Anti-skidding slot structure 27 is provided on 17 lateral surface of annular outer cover, shifting that can be more convenient
It moves or rotates strong card case, the quantity of anti-skidding slot structure 27 is also two and is set on annular outer cover along time interval.Respectively by
Power part is column structure, is connected between each stressed member and corresponding transmission bar part using Top fastening screw.The outside of column structure
Circumferentially spaced on face to be provided with multiple arcs slot 25, the setting of arc groove 25 can make the front and back two of each stressed member in installing pipe
End connection forms the movement that vacuum area hinders drive rod when stressed member being avoided to be moved forward and backward, and the setting of arc groove may be used also
To play the role of loss of weight.
Transmission shaft first part and transmission shaft second part are by rotational structure rotational installation inside installing pipe, rotation
Structure includes bearing block 11 and the bearing (not providing in figure) that is set in bearing block 11, and the outer diameter of bearing block 11 is less than installing pipe
Internal diameter, on bearing block 11 it is circumferentially arranged have multiple axis perpendicular to drive shaft axis and inner wall for installing pipe match
The idler wheel 15 of conjunction, the setting of idler wheel 15 is more convenient when can transmission shaft be moved forward and backward to save labour, idler wheel in the present embodiment
Quantity is 4.4 idler wheels 15 are all set on the same end of bearing block, are provided on bearing block on the end face for being equipped with idler wheel
For the central tube 26 that transmission shaft is coated with, each idler wheel 15 is circumferentially in the outside of central tube 26.On the corresponding end-faces of bearing block
There are four right-angle shaped mounting plate 27, two side plates of circumferentially-adjacent two right-angle shaped mounting plates 27 are oppositely arranged for corresponding rolling for setting
Wheel 15 is rotatablely installed by pin shaft 28, and tearing open for pin assembling/disassembling is formed between two side plates of any one right-angle shaped mounting plate 27
Fill notch 29.
In the other embodiments of the utility model, the quantity of idler wheel can be adjusted according to actual needs；Stressed member
The ferroalloy of magnetic conduction can be used；The quantity of mounting plate may be one or three or more；Each mounting plate upper installing hole
Quantity can be adjusted according to actual needs；The quantity of anti-skidding slot structure may be one on annular outer cover.
A kind of embodiment of magnetic coupling drive transmission shaft rotational structure and a kind of above-mentioned each reality of magnetic coupling drive
The structure for applying the rotational structure in example is identical, and details are not described herein again.
Claims (7)
1. a kind of magnetic coupling drive transmission shaft rotational structure, it is characterised in that: including the bearing block that is installed for transmission shaft and
The bearing being set in bearing block, the outer diameter of bearing block are less than the internal diameter of installing pipe, circumferentially arranged on bearing block to have multiple axis
Line is perpendicular to idler wheel drive shaft axis and for being engaged with the inner wall of installing pipe.
2. magnetic coupling drive transmission shaft rotational structure according to claim 1, it is characterised in that: the idler wheel is all provided with
Be placed on the same end of bearing block, on bearing block in be equipped with idler wheel end face on be provided with the central tube being coated with for transmission shaft,
Each idler wheel is circumferentially in the outside of central tube.
3. magnetic coupling drive transmission shaft rotational structure according to claim 2, it is characterised in that: the bearing block
There are four right-angle shaped mounting plates, two side plates of circumferentially-adjacent two right-angle shaped mounting plates to be oppositely arranged confession for setting on corresponding end-faces
Respective roller is rotatablely installed by pin shaft, and tearing open for pin assembling/disassembling is formed between two side plates of any one right-angle shaped mounting plate
Fill notch.
4. a kind of magnetic coupling drive, including installing pipe, the end of installing pipe is provided with for being tightly connected with vacuum cavity
Mounting flange, it is characterised in that: the installing pipe is internally provided with transmission shaft, and the end of transmission shaft is provided with collet, transmission shaft
It is set in installing pipe by rotational structure, rotational structure includes the bearing block installed for transmission shaft and is set in bearing block
Bearing, the outer diameter of bearing block are less than the internal diameter of installing pipe, circumferentially arranged on bearing block to have multiple axis perpendicular to transmission shafts
Line and idler wheel for being engaged with the inner wall of installing pipe.
5. magnetic coupling drive according to claim 4, it is characterised in that: the idler wheel is all set in the same of bearing block
On end, in being provided with the central tube being coated with for transmission shaft on the end face for being equipped with idler wheel on bearing block, each idler wheel circumferentially in
The outside of central tube.
6. magnetic coupling drive according to claim 5, it is characterised in that: be provided on the corresponding end-faces of the bearing block
Four right-angle shaped mounting plates, two side plates of circumferentially-adjacent two right-angle shaped mounting plates, which are oppositely arranged, passes through pin shaft for respective roller
It is rotatablely installed, forms the dismounting notch for pin assembling/disassembling between two side plates of any one right-angle shaped mounting plate.
7. the magnetic coupling drive according to any one of claim 4-6, it is characterised in that: the transmission shaft includes transmission
Axis first part and transmission shaft second part, are provided with the first stressed member in transmission shaft first part, on transmission shaft second part
It is provided with the second stressed member, the quantity of mounting structure is four, and mounting structure includes the first peace positioned at first stressed member one end
Assembling structure and the second mounting structure being oppositely arranged with the first mounting structure positioned at the first stressed member other end, the first installation knot
Structure and the second mounting structure are rotatablely installed for transmission shaft first part, and mounting structure further includes positioned at the of second stressed member one end
Three mounting structures and the 4th mounting structure being oppositely arranged with third mounting structure positioned at the second stressed member other end, third peace
Assembling structure and the 4th mounting structure are rotatablely installed for transmission shaft second part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821613830.1U CN208723703U (en) | 2018-09-30 | 2018-09-30 | A kind of magnetic coupling drive and its transmission shaft rotational structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821613830.1U CN208723703U (en) | 2018-09-30 | 2018-09-30 | A kind of magnetic coupling drive and its transmission shaft rotational structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208723703U true CN208723703U (en) | 2019-04-09 |
Family
ID=65982988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821613830.1U Active CN208723703U (en) | 2018-09-30 | 2018-09-30 | A kind of magnetic coupling drive and its transmission shaft rotational structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208723703U (en) |
-
2018
- 2018-09-30 CN CN201821613830.1U patent/CN208723703U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190730 Address after: 454000 Jiaozuo City Demonstration Zone, Henan Province, Jiaozuo High-tech Entrepreneurship Service Center 1 Floor Patentee after: Henan Jingkeli Vacuum Technology Co., Ltd. Address before: No. 301, Building 3, No. 3169, Lianhua Street, Zhengzhou High-tech Industrial Development Zone, 450000 Henan Province Patentee before: Zhengzhou CREE Vacuum Equipment Co., Ltd. |
|
| TR01 | Transfer of patent right |