CN206522413U - A kind of tandem Miniature ball joint - Google Patents
A kind of tandem Miniature ball joint Download PDFInfo
- Publication number
- CN206522413U CN206522413U CN201720173141.2U CN201720173141U CN206522413U CN 206522413 U CN206522413 U CN 206522413U CN 201720173141 U CN201720173141 U CN 201720173141U CN 206522413 U CN206522413 U CN 206522413U
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- CN
- China
- Prior art keywords
- ball
- nut
- outside
- tandem
- guide screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of tandem Miniature ball joint, including high-speed guide screw, first ball, Jing Quan, second ball, nut, 3rd ball, 4th ball, 5th ball, moving-coil, high-speed guide screw, second ball, nut constitutes primary lead screw pair, and nut, 3rd ball, Jing Quan constitutes secondary lead screw pair, when high-speed guide screw initial rotation, nut is limited by the 3rd ball and rotated, and can only be moved along high-speed guide screw, because Jing Quan is fixed, therefore, nut is rotated along high-speed guide screw again, so as to drive moving-coil to rotate by the 4th ball, realize deceleration transmission.Deceleration transmission is realized by two grades of lead screw pair, not only high transmission accuracy, and manufacturing cost is low, transmission efficiency, and almost PURE ROLLING, coefficient of friction is extremely low, reduces the hysteresis in transmission, the backlash for reducing ball joint is poor, and the repetitive positioning accuracy of joint of robot is improved from source.
Description
Technical field
The utility model is related to a kind of mechanical device, more particularly to a kind of tandem Miniature ball joint.
Background technology
Existing joint of robot mainly includes actuating unit (such as motor), transmission mechanism (such as gear), reductor, existing machine
Device person joint is generally RV reductors with reductor, existing RV reductors core part be Cycloidal Wheel, pin wheel housing, planet carrier, partially
Heart axle, belongs to thin-walled, special-shaped part, and domestic working condition is extremely difficult to micron-sized machining accuracy, it is difficult to carry out large quantities of
Amount production, has strict phase requirements, adjustment link is complicated, causes RV reductors expensive in assembling, meanwhile, it is traditional
RV reductors are in order to ensure without motion dead band, it is necessary to the back lash of reserved very little, cause backlash difference can only control 1 arc point with
It is interior, positioning precision is both reduced, the rigidity of RV reductors is reduced again, meanwhile, RV speed reducer structures are complicated, and volume is big, it is difficult to
Applied to cooperation robot, DELTA robots, SCARA robots.In view of drawbacks described above, is necessary to design a kind of tandem in fact
Miniature ball joint.
Utility model content
Technical problem to be solved in the utility model is：A kind of tandem Miniature ball joint is provided, it is existing to solve
There is RV reductors volume big, the problem of expensive and poor repetitive positioning accuracy.
In order to solve the above technical problems, the technical solution of the utility model is：A kind of tandem Miniature ball joint, including
High-speed guide screw, the first ball, Jing Quan, the second ball, nut, the 3rd ball, the 4th ball, the 5th ball, moving-coil, described
One ball is located on the outside of high-speed guide screw right-hand member, and described the first ball is rolled with high-speed guide screw to be connected, and described Jing Quan is positioned at the
On the outside of one ball, described Jing Quan is rolled with the first ball to be connected, and the second described ball is located on the outside of high-speed guide screw left end, institute
The second ball stated is rolled with high-speed guide screw to be connected, and described nut is located on the outside of the second ball, described nut and the second rolling
Pearl, which rolls, to be connected, and the 3rd described ball is located on the outside of nut right-hand member and on the inside of quiet circle, the 3rd described ball and nut
Roll to be connected and roll with Jing Quan and be connected, the 4th described ball is located on the outside of nut left end, the 4th described ball and nut
Roll and be connected, the 5th described ball is located on the outside of quiet circle left end, the 5th described ball is rolled with Jing Quan to be connected, and described is dynamic
Circle is located on the outside of the 5th ball and on the outside of the 4th ball, described moving-coil be connected with the rolling of the 5th ball and with the 4th ball
Roll and be connected.
The utility model further improves as follows：
Further, described high-speed guide screw is additionally provided with rotation section, and described rotation section is integrally connected with high-speed guide screw.
Further, described rotation section is additionally provided with the first stopper slot, and the first described stopper slot is located on the outside of rotation section,
The first described stopper slot is not through rotation section.
Further, described rotation section is additionally provided with mounting hole, and described mounting hole is not through rotation section.
Further, described Jing Quan is additionally provided with the second stopper slot, and the second described stopper slot is located on the inside of quiet circle, described
The second stopper slot not through Jing Quan, the first ball is rotated in the cavity that the first stopper slot and the second stopper slot are constituted so that
High-speed guide screw is supported.
Further, described Jing Quan is additionally provided with the first raceway, and the first described raceway is located on the inside of quiet circle, and described the
One raceway is not through Jing Quan.
Further, described nut is additionally provided with the first guide groove that quantity is no less than 3, described the first guide groove position
On the outside of nut, the first described guide groove is not through nut.
Further, described nut is additionally provided with the second raceway, and the second described raceway is located on the outside of nut, and described the
Two raceways are rolled not through nut, the 3rd ball in the cavity that the second raceway and the first raceway are constituted so that moving-coil rotates flat
It is suitable, without impact.
Further, described moving-coil is additionally provided with the second guide groove, and the second described guide groove is located on the inside of moving-coil, described
The second guide groove not through moving-coil, the second described guide groove quantity is identical with the first guide groove quantity, and the 4th ball is
Rolled in the cavity of one guide groove and the second guide groove composition, so as to realize spacing and be oriented to.
Compared with prior art, the tandem Miniature ball joint, when Jing Quan is fixed, power-equipment drives high-speed guide screw to turn
Dynamic, high-speed guide screw, the second ball, nut constitute primary lead screw pair, and nut, the 3rd ball, Jing Quan constitute secondary lead screw pair, when
During high-speed guide screw initial rotation, nut is limited by the 3rd ball and rotated, and can only be moved along high-speed guide screw, because Jing Quan is fixed,
Therefore, nut is rotated along high-speed guide screw again, so as to drive moving-coil to rotate by the 4th ball, realizes deceleration transmission；Moving-coil is fixed
When, power-equipment drives high-speed guide screw to rotate, high-speed guide screw, the second ball, the primary lead screw pair of nut composition, and nut, the 3rd
Ball, Jing Quan constitute secondary lead screw pair, when high-speed guide screw initial rotation, the 4th ball limitation nut rotation, therefore, high speed silk
The linear motion that convert rotational motion is nut so as to be rotated with sound circle, is realized deceleration transmission by thick stick.Apparatus structure letter
It is single, deceleration transmission is realized by two grades of lead screw pair, not only high transmission accuracy, and manufacturing cost is low, transmission efficiency, and almost
For PURE ROLLING, coefficient of friction is extremely low, reduces the hysteresis in transmission, and the backlash for reducing ball joint is poor, from source
The repetitive positioning accuracy of joint of robot is improved on head.
Brief description of the drawings
Fig. 1 shows the utility model explosive view
Fig. 2 shows the utility model sectional view
Fig. 3 shows the utility model high-speed guide screw graphics
Fig. 4 shows the quiet circle sectional view of the utility model
Fig. 5 shows the utility model moving-coil graphics
The ball 2 of high-speed guide screw 1 first
3 second balls 4 of quiet circle
The ball 6 of nut 5 the 3rd
The ball 8 of 4th ball 7 the 5th
The rotation section 101 of moving-coil 9
The mounting hole 103 of first stopper slot 102
The raceway 302 of second stopper slot 301 first
The raceway 502 of first guide groove 501 second
Second guide groove 901
Embodiment
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4, Fig. 5, a kind of tandem Miniature ball joint, including high-speed guide screw 1, first are rolled
Pearl 2, the 3, second ball 4 of quiet circle, nut 5, the 3rd ball 6, the 4th ball 7, the 5th ball 8, moving-coil 9, the first described ball 2
On the outside of the right-hand member of high-speed guide screw 1, the first described ball 2 is rolled with high-speed guide screw 1 to be connected, and described quiet circle 3 is located at first
The outside of ball 2, described quiet circle 3 is rolled with the first ball 2 to be connected, and the second described ball 4 is located at outside the left end of high-speed guide screw 1
Side, the second described ball 4 is rolled with high-speed guide screw 1 to be connected, and described nut 5 is located at the outside of the second ball 4, described nut
5 roll with the second ball 4 and are connected, and described the 3rd ball 6 is located on the outside of the right-hand member of nut 5 and on the inside of quiet circle 3, and described the
Three balls 6 roll to be connected and roll with quiet circle 3 with nut 5 to be connected, and the 4th described ball 7 is located on the outside of the left end of nut 5, described
The 4th ball 7 and nut 5 roll and be connected, the 5th described ball 8 is located on the outside of 3 left ends of quiet circle, described the 5th ball 8 and
Quiet circle 3, which is rolled, to be connected, and described moving-coil 9 is located at the outside of the 5th ball 8 and positioned at the outside of the 4th ball 7, described moving-coil 9 and the
Five balls 8, which roll to be connected and roll with the 4th ball 7, to be connected, and described high-speed guide screw 1 is additionally provided with rotation section 101, and described turns
Dynamic portion 101 is connected with the one of high-speed guide screw 1, and described rotation section 101 is additionally provided with the first stopper slot 102, and described first is spacing
Groove 102 is located at the outside of rotation section 101, and the first described stopper slot 102 is not through rotation section 101, and described rotation section 102 is also set
There is mounting hole 103, described mounting hole 103 is not through rotation section 102, and described quiet circle 3 is additionally provided with the second stopper slot 301, institute
The second stopper slot 301 stated is located at the quiet inner side of circle 3, and the second described stopper slot 301 is not through quiet circle 3, and the first ball 2 is first
Rotated in the cavity of the stopper slot 301 of stopper slot 102 and second composition, so as to be supported to high-speed guide screw 1, described quiet circle 3
The first raceway 302 is additionally provided with, the first described raceway 302 is located at the quiet inner side of circle 3, and the first described raceway 302 is not through Jing Quan
3, described nut 5 is additionally provided with the first guide groove 501 that quantity is no less than 3, and the first described guide groove 501 is located at nut 5
Outside, the first described guide groove 501 is not through nut 5, and described nut 501 is additionally provided with the second raceway 502, described second
Raceway 502 is located at the outside of nut 5, and described the second raceway 502 is not through nut 5, and the 3rd ball 6 is in the second raceway 502 and the
Rolled in the cavity of one raceway 302 composition so that moving-coil 9 rotates smooth-going, without impact, and described moving-coil 9 is additionally provided with the second guiding
Groove 901, the second described guide groove 901 is located at the inner side of moving-coil 9, and the second described guide groove 901 is described not through moving-coil 9
Second guide groove quantity is identical with the first guide groove quantity, and the 4th ball 7 is in 901 groups of the first guide groove 501 and the second guide groove
Into cavity in roll, so as to realize spacing and be oriented to, the tandem Miniature ball joint, when quiet circle 3 is fixed, power-equipment band
Dynamic high-speed guide screw 1 is rotated, and high-speed guide screw 1, the second ball 4, nut 5 constitute primary lead screw pair, and nut 5, the 3rd ball 6, quiet
Circle 3 constitutes secondary lead screw pair, when 1 initial rotation of high-speed guide screw, and nut 5 limits rotation by the 3rd ball 6, and can only be along at a high speed
Leading screw 1 is moved, and because quiet circle 3 is fixed, therefore, nut 5 is rotated along high-speed guide screw 1 again, so as to drive moving-coil by the 4th ball 7
9 rotate, and realize deceleration transmission；Moving-coil 9 fix when, power-equipment drive high-speed guide screw 1 rotate, high-speed guide screw 1, the second ball 4,
Nut 5 constitutes primary lead screw pair, and nut 5, the 3rd ball 6, quiet circle 3 constitute secondary lead screw pair, when the initial rotation of high-speed guide screw 1
When, the 4th ball 7 limitation nut 5 rotate, therefore, high-speed guide screw 1 by convert rotational motion be nut 5 linear motion so that
Band sound circle 3 is rotated, and realizes deceleration transmission.The apparatus structure is simple, realizes deceleration transmission by two grades of lead screw pair, is not only driven
Precision is high, and manufacturing cost is low, transmission efficiency, and almost PURE ROLLING, and coefficient of friction is extremely low, reduces in transmission
Hysteresis, the backlash for reducing ball joint is poor, and the repetitive positioning accuracy of joint of robot is improved from source.
The utility model is not limited to above-mentioned specific embodiment, and one of ordinary skill in the art visualizes from above-mentioned
Hair, without performing creative labour, a variety of conversion made are all fallen within protection domain of the present utility model.
Claims (9)
1. a kind of tandem Miniature ball joint, it is characterised in that including high-speed guide screw, the first ball, Jing Quan, the second ball, spiral shell
Mother, the 3rd ball, the 4th ball, the 5th ball, moving-coil, the first described ball are located on the outside of high-speed guide screw right-hand member, described
First ball is rolled with high-speed guide screw to be connected, and described Jing Quan is located on the outside of the first ball, and described Jing Quan and the first ball are rolled
Dynamic to be connected, the second described ball is located on the outside of high-speed guide screw left end, and the second described ball is rolled with high-speed guide screw to be connected, institute
The nut stated is located on the outside of the second ball, and described nut is rolled with the second ball to be connected, and the 3rd described ball is located at nut
On the outside of right-hand member and on the inside of quiet circle, the 3rd described ball is rolled with nut to be connected and is connected with Jing Quan rollings, and described the
Four balls are located on the outside of nut left end, and the 4th described ball is rolled with nut to be connected, and it is left that the 5th described ball is located at quiet circle
End outside, the 5th described ball is rolled with Jing Quan to be connected, and described moving-coil is located on the outside of the 5th ball and positioned at the 4th ball
Outside, described moving-coil rolls to be connected and roll with the 4th ball with the 5th ball to be connected.
2. tandem Miniature ball joint as claimed in claim 1, it is characterised in that described high-speed guide screw is additionally provided with rotation
Portion, described rotation section is integrally connected with high-speed guide screw.
3. tandem Miniature ball joint as claimed in claim 2, it is characterised in that described rotation section is additionally provided with the first limit
Position groove, the first described stopper slot is located on the outside of rotation section, and the first described stopper slot is not through rotation section.
4. tandem Miniature ball joint as claimed in claim 3, it is characterised in that described rotation section is additionally provided with mounting hole,
Described mounting hole is not through rotation section.
5. tandem Miniature ball joint as claimed in claim 1, it is characterised in that it is spacing that described Jing Quan is additionally provided with second
Groove, the second described stopper slot is located on the inside of quiet circle, and the second described stopper slot is not through Jing Quan.
6. tandem Miniature ball joint as claimed in claim 1, it is characterised in that described Jing Quan is additionally provided with the first raceway,
The first described raceway is located on the inside of quiet circle, and the first described raceway is not through Jing Quan.
7. tandem Miniature ball joint as claimed in claim 1, it is characterised in that it is many that described nut is additionally provided with quantity
In first guide groove of 3, the first described guide groove is located on the outside of nut, and the first described guide groove is not through nut.
8. tandem Miniature ball joint as claimed in claim 1, it is characterised in that described nut is additionally provided with the second raceway,
The second described raceway is located on the outside of nut, and the second described raceway is not through nut.
9. the tandem Miniature ball joint as described in claim 1 or 7, it is characterised in that described moving-coil is additionally provided with second and led
To groove, the second described guide groove is located on the inside of moving-coil, and the second described guide groove is not through moving-coil, the second described guide groove
Quantity is identical with the first guide groove quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720173141.2U CN206522413U (en) | 2017-02-25 | 2017-02-25 | A kind of tandem Miniature ball joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720173141.2U CN206522413U (en) | 2017-02-25 | 2017-02-25 | A kind of tandem Miniature ball joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206522413U true CN206522413U (en) | 2017-09-26 |
Family
ID=59892155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720173141.2U Expired - Fee Related CN206522413U (en) | 2017-02-25 | 2017-02-25 | A kind of tandem Miniature ball joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206522413U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641150A (en) * | 2017-02-25 | 2017-05-10 | 池州市弥优智能传动部件有限公司 | Series connection type micro ball joint |
-
2017
- 2017-02-25 CN CN201720173141.2U patent/CN206522413U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106641150A (en) * | 2017-02-25 | 2017-05-10 | 池州市弥优智能传动部件有限公司 | Series connection type micro ball joint |
| CN106641150B (en) * | 2017-02-25 | 2023-09-08 | 广州弥优机床有限公司 | Series miniature ball joint |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170926 Termination date: 20210225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |