CN208468179U - Centre of sphere positioning mechanism - Google Patents
Centre of sphere positioning mechanism Download PDFInfo
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- CN208468179U CN208468179U CN201821098829.XU CN201821098829U CN208468179U CN 208468179 U CN208468179 U CN 208468179U CN 201821098829 U CN201821098829 U CN 201821098829U CN 208468179 U CN208468179 U CN 208468179U
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- gear
- fixing seat
- support
- centre
- thread groove
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Abstract
The utility model discloses a kind of centre of sphere positioning mechanisms, including pedestal, support is fixedly installed at the top of the pedestal, spherical groove is offered at the top of support, ball element is rotatably equipped in spherical groove, locating piece is fixedly installed at the top of ball element, the top of support limits support there are two being fixedly mounted, and two limit supports are located at the two sides of spherical groove, the top of locating piece is symmetrically opened up there are two pilot hole, the top of ball element is symmetrically opened up there are two the first thread groove, and two the first thread grooves are connected with two pilot holes respectively, the side of support is equipped with the vertical bar for being welded on base top, the top of vertical bar is rotatably equipped with cross bar, fixing seat is rotatably equipped in cross bar, the bottom of fixing seat extends to outside cross bar.The utility model structure is simple, easy to operate, can quickly secure the product on locating piece, position to product more stable, is not easy to deviate, facilitates work.
Description
Technical field
The utility model relates to technical field of measuring equipment more particularly to a kind of centre of sphere positioning mechanisms.
Background technique
Ball shape gear is a kind of special entity between plane mechanism and space mechanism, all fortune in ball shape gear
Dynamic pair all moves on a fixed spherical surface, and ball shape gear has the characteristics that compact-sized and easily manufactured, economic, ball-type machine
Structure is widely used in many fields, such as ophthalmologic operation robot, joint recovering robot, sun tracker,
Series connection spherical mechanism has many advantages, such as that simple structure, convenient control, working space are big, still, existing to carry out to ball-type product
When the centre of sphere positions, in the same plane, it is unstable to there is no positioning in positioning surface, or position failure disadvantage, is not easy to the centre of sphere
It is positioned, therefore the utility model proposes solution with regard to problem above.
Utility model content
Purpose of the utility model is to solve disadvantages existing in the prior art, and the centre of sphere positioning mechanism proposed.
To achieve the goals above, the utility model adopts the technical scheme that
Centre of sphere positioning mechanism, including pedestal are fixedly installed with support at the top of the pedestal, offer ball at the top of support
Shape slot is rotatably equipped with ball element in spherical groove, locating piece is fixedly installed at the top of ball element, is fixedly installed with two at the top of support
A limit support, and two limit supports are located at the two sides of spherical groove, the top of locating piece symmetrically open up that there are two guiding
Hole, the top of ball element is symmetrically opened up there are two the first thread groove, and two the first thread grooves are connected with two pilot holes respectively,
The side of support is equipped with the vertical bar for being welded on base top, and the top of vertical bar is rotatably equipped with cross bar, is rotatably equipped in cross bar
The bottom of fixing seat, fixing seat extends to outside cross bar, and fixed seating offers cunning in the top of locating piece, the bottom of fixing seat
Slot is slidably fitted with slide bar in sliding slot, and the bottom end of slide bar extends to outside sliding slot, and is fixedly installed with guide rod, solid on guide rod
Surely it is arranged with circular cone, the bottom end of guide rod is welded with threaded post, and threaded post is threadedly engaged with the first thread groove, the top of slide bar
The second thread groove is offered, screw rod is rotatably equipped in the second thread groove, the top of screw rod extends to outside the second thread groove, sliding slot
Top inner wall on offer through-hole, the top of screw rod through through-hole and is welded with first gear, the fixed peace in the top of fixing seat
Equipped with the motor for being located at screw rod side.
Preferably, the output shaft end of the motor is welded with second gear, and second gear is meshed with first gear.
Preferably, two limit supports side close to each other offers the first limiting slot, and the top of ball element is welded
There is the first limited block, and the side that two the first limited blocks are located remotely from each other is slidably mounted on respectively in two the first limiting slots.
Preferably, the second limiting slot is offered on the two sides inner wall of the sliding slot, the two sides of slide bar are welded with second
Limited block, and the second limited block is slidably mounted in the second limiting slot.
Preferably, bearing is fixedly installed on the inner wall of the through-hole, and bearing rotation is set on screw rod.
Preferably, the top of the fixing seat is equipped with protective cover, and first gear, motor and second gear are respectively positioned on protection
In cover.
Compared with prior art, the utility model has the beneficial effects that
(1), in the utility model, pass through pedestal, support, spherical groove, ball element, locating piece, limit support, pilot hole, the
One thread groove, vertical bar, cross bar, fixing seat, sliding slot, slide bar, guide rod, circular cone, threaded post, the second thread groove and screw rod match
It closes, since screw rod is threadedly coupled with the second thread groove, screw rod rotates in the second thread groove, and slide bar drives guide rod and threaded post
It moves down, when threaded post is moved in thread groove, guide rod is located in pilot hole, rotates forward fixing seat, and fixing seat drives spiral shell
Line column is rotated, during being moved down when threaded post is in rotation, since threaded post is threadedly coupled cooperation with the first thread groove,
In the first thread groove of threaded post precession, product is compacted on locating piece, is positioned；
(2), it is matched by screw rod, through-hole, first gear, motor and second gear, starting motor work, motor drives
The rotation of second runner, since second gear is meshed with first gear, second gear drives first gear and screw rod rotation, utilizes
The positive and negative rotation of motor controls the steering of threaded rod, and the utility model structure is simple, easy to operate, and quickly product can be consolidated
It is scheduled on locating piece, product position more stable, be not easy to deviate, facilitate work.
Detailed description of the invention
Fig. 1 be the utility model proposes centre of sphere positioning mechanism main view the schematic diagram of the section structure；
Fig. 2 be the utility model proposes centre of sphere positioning mechanism in part A the schematic diagram of the section structure.
In figure: 1 pedestal, 2 supports, 3 spherical grooves, 4 ball element, 5 locating pieces, 6 limit supports, 7 pilot holes, 8 first thread grooves,
9 vertical bars, 10 cross bars, 11 fixing seats, 12 sliding slots, 13 slide bars, 14 guide rods, 15 circular cones, 16 threaded posts, 17 second thread grooves,
18 screw rods, 19 through-holes, 20 first gears, 21 motors, 22 second gears.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.
Referring to Fig.1-2, centre of sphere positioning mechanism, including pedestal 1, the top of pedestal 1 are fixedly installed with support 2, the top of support 2
Portion offers spherical groove 3, and ball element 4 is rotatably equipped in spherical groove 3, and the top of ball element 4 is fixedly installed with locating piece 5, support 2
Top limits support 6 there are two being fixedly mounted, and two limit supports 6 are located at the two sides of spherical groove 3, the top of locating piece 5
Portion is symmetrically opened up there are two pilot hole 7, and the top of ball element 4 symmetrically opens up that there are two the first thread grooves 8, and two the first thread grooves
8 are connected with two pilot holes 7 respectively, and the side of support 2 is equipped with the vertical bar 9 for being welded on 1 top of pedestal, and the top of vertical bar 9 turns
It is dynamic that cross bar 10 is installed, fixing seat 11 is rotatably equipped in cross bar 10, the bottom of fixing seat 11 extends to outside cross bar 10, fixing seat
11 are located at the top of locating piece 5, and the bottom of fixing seat 11 offers sliding slot 12, slide bar 13, slide bar are slidably fitted in sliding slot 12
13 bottom end extends to outside sliding slot 12, and is fixedly installed with guide rod 14, and fixing sleeve is equipped with circular cone 15, guiding on guide rod 14
The bottom end of bar 14 is welded with threaded post 16, and threaded post 16 is threadedly engaged with the first thread groove 8, and the top of slide bar 13 offers second
Thread groove 17 is rotatably equipped with screw rod 18 in second thread groove 17, and the top of screw rod 18 extends to outside the second thread groove 17, sliding slot
Through-hole 19 is offered in 12 top inner wall, the top of screw rod 18 through through-hole 19 and is welded with first gear 20, fixing seat 11
Top be fixedly installed with the motor 21 positioned at 18 side of screw rod, by pedestal 1, support 2, spherical groove 3, ball element 4, locating piece 5,
Limit support 6, pilot hole 7, the first thread groove 8, vertical bar 9, cross bar 10, fixing seat 11, sliding slot 12, slide bar 13, guide rod 14, cone
Shape block 15, threaded post 16, the second thread groove 17 and screw rod 18 match, since screw rod 18 is threadedly coupled with the second thread groove 17,
Screw rod 18 rotates in the second thread groove 17, and slide bar 13 drives guide rod 14 and threaded post 16 to move down, when threaded post 16 is moved to
When in thread groove 8, guide rod 14 is located in pilot hole 7, rotates forward fixing seat 11, and fixing seat 11 drives 16 turns of threaded post
It is dynamic, during being moved down when threaded post 16 is in rotation, since threaded post 16 is threadedly coupled cooperation, screw thread with the first thread groove 7
In 16 the first thread groove of precession 8 of column, product is compacted on locating piece 5, is positioned, screw rod 18, through-hole 19, the first tooth are passed through
Wheel 20, motor 21 and second gear 22 match, and starting motor 21 works, and motor 21 drives the rotation of the second runner 22, due to the
Two gears 22 are meshed with first gear 20, and second gear 22 drives first gear 20 and screw rod 18 to rotate, and utilize motor 21
Positive and negative rotation controls the steering of threaded rod 18, and the utility model structure is simple, easy to operate, can quickly secure the product to
On locating piece 5, product position more stable, is not easy to deviate, facilitates work.
In the utility model, the output shaft end of motor 21 is welded with second gear 22, and second gear 22 and first gear
20 are meshed, and two limit supports 6 side close to each other offers the first limiting slot, and the top of ball element 4 is welded with
One limited block, and the side that two the first limited blocks are located remotely from each other is slidably mounted on respectively in two the first limiting slots, sliding slot 12
Two sides inner wall on offer the second limiting slot, the two sides of slide bar 13 are welded with the second limited block, and the second limited block is sliding
It is dynamic to be mounted in the second limiting slot, bearing is fixedly installed on the inner wall of through-hole 19, and bearing rotation is set on screw rod 18, Gu
The top of reservation 11 is equipped with protective cover, and first gear 20, motor 21 and second gear 22 are respectively positioned in protective cover, pass through pedestal
1, support 2, spherical groove 3, ball element 4, locating piece 5, limit support 6, pilot hole 7, the first thread groove 8, vertical bar 9, cross bar 10, fixation
Seat 11, sliding slot 12, slide bar 13, guide rod 14, circular cone 15, threaded post 16, the second thread groove 17 and screw rod 18 match, due to
Screw rod 18 is threadedly coupled with the second thread groove 17, and screw rod 18 rotates in the second thread groove 17, and slide bar 13 drives 14 He of guide rod
Threaded post 16 moves down, and when threaded post 16 is moved in thread groove 8, guide rod 14 is located in pilot hole 7, rotates forward fixing seat
11, fixing seat 11 drive threaded post 16 rotated, threaded post 16 while rotation while move down during, due to threaded post 16 with
First thread groove 7, which is threadedly coupled, to be cooperated, and in 16 the first thread groove of precession 8 of threaded post, is compacted on locating piece 5, is carried out to product
Positioning, is matched by screw rod 18, through-hole 19, first gear 20, motor 21 and second gear 22, and starting motor 21 works, electricity
Machine 21 drives the rotation of the second runner 22, and since second gear 22 is meshed with first gear 20, second gear 22 drives the first tooth
Wheel 20 and screw rod 18 rotate, and using the positive and negative rotation of motor 21, control the steering of threaded rod 18, and the utility model structure is simple, behaviour
Facilitate, can quickly secure the product on locating piece 5, product position more stable, is not easy to deviate, facilitates work
Make.
Working principle: in the actual operation process, motor 21 be can clockwise and anticlockwise motor, product is placed on locating piece 5,
Then starting motor 21 rotates forward work, and motor 21 drives the rotation of the second runner 22, due to second gear 22 and 20 phase of first gear
Engagement, second gear 22 drives first gear 20 and screw rod 18 to rotate, since screw rod 18 is threadedly coupled with the second thread groove 17, spiral shell
When bar 18 rotates in the second thread groove 17, slide bar 13 drives the second limited block to glide in the second limiting slot, and slide bar 13 drives
Guide rod 14 and threaded post 16 move down, and when threaded post 16 being moved to the aperture position of thread groove 8, guide rod 14 is located at guiding
In hole 7, fixing seat 11 is then rotated forward, fixing seat 11 drives threaded post 16 to be rotated, while motor 21 continues to run, band
Dynamic threaded post 16 moves down, during moving down when threaded post 16 is in rotation, since threaded post 16 and 7 screw thread of the first thread groove connect
It connects cooperation, in 16 the first thread groove of precession 8 of threaded post, when product is compacted on locating piece 5, stops motor 21 and work, stop
Fixing seat 11 rotates, and can thus secure the product on locating piece 5, convenient to position to product, is needing to take
When lower product, starting motor 21 first is inverted, while rotating backward fixing seat 11, and motor 21 drives the rotation of the second runner 22, the
Two gears 22 drive first gear 20 and screw rod 18 to rotate, and when screw rod 18 rotates in the second thread groove 17, slide bar 13 drives the
Two limited blocks are upper in the second limiting slot to be slided, and slide bar 13 drives guide rod 14 and threaded post 16 to move up, while threaded post 16 screws out
Outside first thread groove 8, it is then no longer needed for rotation fixing seat 11, when threaded post 16 is increased to proper height, stops electricity
Machine 21 works.
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not
It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this
Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model
Within enclosing.
Claims (6)
1. centre of sphere positioning mechanism, including pedestal (1), which is characterized in that support (2) are fixedly installed at the top of the pedestal (1),
It offers at the top of support (2) spherical groove (3), is rotatably equipped with ball element (4) in spherical groove (3), the fixed peace in the top of ball element (4)
Equipped with locating piece (5), there are two the top fixed installations of support (2) limits support (6), and two limit supports (6) difference positions
In the two sides of spherical groove (3), the top of locating piece (5) is symmetrically opened up there are two pilot hole (7), and the top of ball element (4) is symmetrically opened
If there are two the first thread groove (8), and two the first thread grooves (8) are connected with two pilot holes (7) respectively, support (2)
Side is equipped with the vertical bar (9) being welded at the top of pedestal (1), and the top of vertical bar (9) is rotatably equipped with cross bar (10), in cross bar (10)
It is rotatably equipped with fixing seat (11), the bottom of fixing seat (11) extends to cross bar (10) outside, and fixing seat (11) is located at locating piece (5)
Top, the bottom of fixing seat (11) offers sliding slot (12), is slidably fitted with slide bar (13) in sliding slot (12), slide bar (13)
Bottom end extends to sliding slot (12) outside, and is fixedly installed with guide rod (14), and fixing sleeve is equipped with circular cone (15) on guide rod (14),
The bottom end of guide rod (14) is welded with threaded post (16), and threaded post (16) is threadedly engaged with the first thread groove (8), slide bar (13)
Top offers the second thread groove (17), is rotatably equipped with screw rod (18) in the second thread groove (17), the top of screw rod (18) is prolonged
It extends to the second thread groove (17) outside, is offered in the top inner wall of sliding slot (12) through-hole (19), the top of screw rod (18) is through logical
Hole (19) is simultaneously welded with first gear (20), and the motor positioned at screw rod (18) side is fixedly installed at the top of fixing seat (11)
(21)。
2. centre of sphere positioning mechanism according to claim 1, which is characterized in that the output shaft end of the motor (21) is welded with
Second gear (22), and second gear (22) is meshed with first gear (20).
3. centre of sphere positioning mechanism according to claim 1, which is characterized in that two limit supports (6) it is close to each other one
Side offers the first limiting slot, and the top of ball element (4) is welded with the first limited block, and two the first limited blocks are located remotely from each other
Side be slidably mounted in two the first limiting slots respectively.
4. centre of sphere positioning mechanism according to claim 1, which is characterized in that opened on the two sides inner wall of the sliding slot (12)
Equipped with the second limiting slot, the two sides of slide bar (13) are welded with the second limited block, and the second limited block is slidably mounted on the second limit
In the slot of position.
5. centre of sphere positioning mechanism according to claim 1, which is characterized in that be fixedly mounted on the inner wall of the through-hole (19)
There is bearing, and bearing rotation is set on screw rod (18).
6. centre of sphere positioning mechanism according to claim 1, which is characterized in that the top of the fixing seat (11) is equipped with protection
Cover, and first gear (20), motor (21) and second gear (22) are respectively positioned in protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821098829.XU CN208468179U (en) | 2018-07-03 | 2018-07-03 | Centre of sphere positioning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821098829.XU CN208468179U (en) | 2018-07-03 | 2018-07-03 | Centre of sphere positioning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208468179U true CN208468179U (en) | 2019-02-05 |
Family
ID=65210113
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821098829.XU Active CN208468179U (en) | 2018-07-03 | 2018-07-03 | Centre of sphere positioning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208468179U (en) |
-
2018
- 2018-07-03 CN CN201821098829.XU patent/CN208468179U/en active Active
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