CN204823512U - Fixed position rotation mechanism - Google Patents
Fixed position rotation mechanism Download PDFInfo
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- CN204823512U CN204823512U CN201520585089.2U CN201520585089U CN204823512U CN 204823512 U CN204823512 U CN 204823512U CN 201520585089 U CN201520585089 U CN 201520585089U CN 204823512 U CN204823512 U CN 204823512U
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- 230000007246 mechanism Effects 0.000 title claims abstract description 47
- 238000004804 winding Methods 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 238000011112 process operation Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 5
- 239000007769 metal material Substances 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model provides a fixed position rotation mechanism, it includes sliding shaft, slip cap, fixed cover, axle sleeve, a plurality of ball, a plurality of spring, a plurality of jackscrew and two ball bearings. The sliding shaft has the rotary part side shaft to stroke spacing groove and executive component side shaft to the stroke spacing groove. The utility model discloses an among the fixed position rotation mechanism, the sliding shaft has the rotary part side shaft and uses a plurality of balls, a plurality of spring, a plurality of jackscrew and two ball bearings to stroke spacing groove and executive component side shaft to stroke spacing groove, cooperation to the endwise slip, circumferential direction and the axial that have realized fixed position rotation mechanism are spacing, guarantee overall structure's axiality, and the reliability that has improved overall structure is connected in the cooperation between sliding shaft, slip cap, fixed cover and the axle sleeve, has reduced the maintenance cost.
Description
Technical Field
The utility model relates to a location rotary mechanism especially relates to a location rotary mechanism of high axiality.
Background
In recent years, with the development of science and technology, people have higher and higher requirements on daily environment, and industries related to new energy resources are concerned. As a lithium ion battery in the new energy industry, the lithium ion battery undoubtedly provides reliable and clean energy for human beings. The mobile phone is widely applied to mobile equipment such as mobile phones, notebook computers and the like. With a great amount of manpower and material resources invested by many countries and companies in the research and development of electric vehicles, lithium batteries will inevitably replace petroleum fuel energy as the main power energy of the vehicles in the future.
In the winding process in the conventional lithium battery manufacturing, the cathode, the anode and the separator need to be wound according to certain specifications. Adopt to roll up the core and press from both sides tight barrier film in the coiling process, let roll up the core simultaneously and rotate around the center pin, realize the coiling of electric core. Therefore, the rotation coaxiality of the winding core in winding has a great influence on the consistency of the output battery core, and the quality of the wound battery core is directly related.
The clamping mechanism used for winding the front end of the core at present adopts a linear bearing to meet the requirements of working conditions, and can rotate and axially move. But the defects of short service life and the like exist, mainly because the linear bearing is not suitable for bearing radial rotation, and the ball is easy to wear. The worn ball will lead to increased radial run-out and will not meet the requirement of winding coaxiality. The linear bearing needs to be frequently replaced, and the production cost is increased.
SUMMERY OF THE UTILITY MODEL
In view of the problem that exists among the background art, an object of the utility model is to provide a location rotary mechanism, it can realize that endwise slip, circumferential direction and axial are spacing, guarantees overall structure's axiality.
Another object of the utility model is to provide a location rotary mechanism, it has improved overall structure's reliability, has reduced the maintenance cost.
In order to achieve the above object, the utility model provides a location rotary mechanism, it includes sliding shaft, sliding sleeve, fixed cover, axle sleeve, a plurality of ball, a plurality of spring, a plurality of jackscrew and two ball bearings.
The sliding shaft is provided with a rotating component side axial stroke limiting groove and an executing component side axial stroke limiting groove, and is arranged along the circumferential direction and spaced in the axial direction; a first axial connection end for connection to an external implement component; and a second axial connection end for connection to an external rotating member. The slip cover is set on the slip shaft and has: the through holes are positioned at one end of the sliding sleeve, close to the axial direction of the external rotating component, distributed at equal intervals along the circumferential direction and run through in the radial direction; and the flange table is positioned at one end of the sliding sleeve, which is close to the axial direction of the external execution component. The fixed cover is sleeved and fixed on the sliding sleeve, a plurality of through holes which are distributed at equal intervals along the circumferential direction and are radially communicated are formed, and the number of the through holes is the same as that of the through holes of the sliding sleeve. The sleeve is cylindrical, has two annular bearing recesses at both axial ends of the sleeve, and is fixed to the external frame so that the sleeve is immovable. And the number of the balls is the same as that of the through holes of the sliding sleeve, and each ball is accommodated in a radial channel formed by a corresponding through hole of the fixed sleeve and a corresponding through hole of the sliding sleeve. And the number of the springs is the same as that of the balls, and each spring is accommodated in a corresponding radial channel and abuts against the balls in the corresponding radial channel from the radial outer side. The number of the jackscrews is the same as that of the balls, each jackscrew is fixed on the fixing sleeve, and each jackscrew is accommodated in a corresponding radial channel and abuts against the spring in the corresponding radial channel from the radial outer side, so that each spring is positioned between a corresponding ball and a corresponding jackscrew in the radial direction. And the two ball bearings are fixedly arranged between the sliding sleeve and the shaft sleeve along the axial direction.
Wherein, the location rotary mechanism during operation: firstly, the shaft sleeve is fixed on an external frame, the ball in each radial channel is positioned in the axial stroke limiting groove on the executing component side and contacts the bottom wall of the axial stroke limiting groove on the executing component side, then the sliding shaft is pushed by external force, so that the sliding shaft moves relative to the sliding sleeve along the axial direction to the external executing component, the ball in each radial channel moves outwards in the radial direction from the axial stroke limiting groove on the executing component side and radially compresses a corresponding spring, thereby moving out the axial stroke limiting groove on the executing component side and rolling and contacting the outer circumferential surface of the sliding shaft along with the axial movement of the sliding shaft relative to the sliding sleeve, when the ball in each radial channel reaches the axial stroke limiting groove on the rotating component side, each ball moves inwards under the action of the corresponding spring and enters the axial stroke limiting groove on the rotating component side and keeps contacting the bottom wall of the axial stroke limiting groove on the rotating component side, thereby enabling the first axial connecting end to move axially to and connect to the external executing component, then connecting the second axial connection end to the external rotating part;
when the external rotating part rotates, the external rotating part rotates to drive the sliding shaft to rotate relative to the shaft sleeve or the external rotating part rotates to drive the sliding shaft, the sliding sleeve, the fixed sleeve, the ball, the spring and the jackscrew to rotate relative to the shaft sleeve through the two ball bearings, so that the external executing part is driven to rotate to execute the process operation;
when the positioning and rotating mechanism is disassembled: after the external execution part performs the process operation, the second axial connecting end is disconnected from the external rotation part, and the operation opposite to the operation of connecting the positioning rotation mechanism to the external execution part is performed under the action of external force, so that the sliding shaft moves axially relative to the sliding sleeve, the balls in the radial channels move into the axial stroke limiting groove of the external execution part of the sliding shaft from the axial stroke limiting groove of the rotation part side of the sliding shaft, and the first axial connecting end is axially moved to the position.
The utility model has the advantages as follows:
in the positioning and rotating mechanism of the utility model, the sliding shaft is provided with the axial stroke limiting groove at the side of the rotating part and the axial stroke limiting groove at the side of the executing part, and a plurality of balls, a plurality of springs, a plurality of jackscrews and two ball bearings are used in a matching way, so that the axial sliding, circumferential rotation and axial limiting of the positioning and rotating mechanism are realized, and the coaxiality of the whole structure is ensured; and the sliding shaft, the sliding sleeve, the fixed sleeve and the shaft sleeve are connected in a matching manner, so that the reliability of the whole structure is improved, and the maintenance cost is reduced.
Drawings
Fig. 1 is a perspective view of a positioning and rotating mechanism according to the present invention.
Fig. 2 is a sectional view of the positioning and rotating mechanism before the actuator is connected according to the present invention.
Fig. 3 is a sectional view of the positioning and rotating mechanism in the midway of connecting the actuator according to the present invention.
Fig. 4 is a sectional view of the positioning and rotating mechanism after the actuator is connected according to the present invention.
Fig. 5 is an assembly view of the spring, steel ball and jack screw of the positioning and rotating mechanism according to the present invention, together with the sliding shaft, the sliding sleeve and the fixing sleeve.
Fig. 6 is an exploded perspective view of the positioning and rotating mechanism according to the present invention.
Fig. 7 is a sectional exploded view of a positioning and rotating mechanism according to the present invention.
Fig. 8 is a schematic view of the positioning and rotating mechanism according to the present invention mounted on an external actuator.
Wherein the reference numerals are as follows:
1 outer peripheral surface of slide shaft 23
10 side axial stroke limit groove 3 fixing sleeve of rotating part
101 side wall 31 perforation
102 bottom wall 32 annular projection
11 axial stroke limiting groove 33 screw hole on actuating component side
111 side wall 4 axle sleeve
112 bottom wall 41 bearing ring recess
12 first axial connection end 42 mounting flange
121 tapped hole 421
13 second axial connection end 5 ball
131 card slot 6 spring
14 outer peripheral surface 7-top thread
2 sliding sleeve 8 ball bearing
21-via A external actuator
22 flange table
Detailed Description
The positioning and rotating mechanism according to the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1 to 8, a positioning and rotating mechanism according to the present invention includes: the sliding shaft comprises a sliding shaft 1, a sliding sleeve 2, a fixed sleeve 3, a shaft sleeve 4, a plurality of balls 5, a plurality of springs 6, a plurality of jackscrews 7 and two ball bearings 8.
The slide shaft 1 has a rotating-member-side axial stroke limit groove 10 and an actuating-member-side axial stroke limit groove 11, and is provided circumferentially and axially spaced apart; a first axial connection end 12 for connection to an external actuator A; and a second axial connection end 13 for connection to an external rotating member (not shown).
The sliding sleeve 2 is sleeved on the sliding shaft 1, is provided with a plurality of through holes 21, is positioned at one axial end of the sliding sleeve 2 close to the external rotating part, is distributed at equal intervals along the circumferential direction and is penetrated in the radial direction; and a flange table 22 located at one end of the sliding sleeve 2 in the axial direction of the outer actuator a.
The fixed sleeve 3 is sleeved and fixed on the sliding sleeve 2 and is provided with a plurality of through holes 31 which are distributed at equal intervals along the circumferential direction and run through in the radial direction, and the number of the through holes 31 is the same as that of the through holes 21 of the sliding sleeve 2.
The sleeve 4 is cylindrical, has two annular bearing recesses 41 at both ends in the axial direction of the sleeve 4, and is fixed to the external frame so that the sleeve 4 is stationary.
The number of the balls 5 is the same as the number of the through holes 21 of the sliding sleeve 2, and each ball 5 is accommodated in a radial passage formed by a corresponding one of the through holes 31 of the fixed sleeve 3 and a corresponding one of the through holes 21 of the sliding sleeve 2.
The number of the plurality of springs 6 is the same as the number of the balls 5, and each spring 6 is accommodated in a corresponding one of the radial passages and abuts against the ball 5 in the corresponding radial passage from the radially outer side.
The number of the plurality of jackscrews 7 is the same as that of the balls 5, each jackscrew 7 is fixed on the fixing sleeve 3, and each jackscrew 7 is accommodated in a corresponding radial channel and abuts against the spring 6 in the corresponding radial channel from the radial outside, so that each spring 6 is positioned between a corresponding ball 5 and a corresponding jackscrew 7 in the radial direction.
Two ball bearings 8 are fixedly mounted axially between the sliding sleeve 2 and the sleeve 4.
Wherein, the location rotary mechanism during operation: first, the sleeve 4 is fixed to the external housing with the balls 6 in the respective radial passages being in the actuator-side axial stroke limiting groove 11 and contacting the bottom wall 112 of the actuator-side axial stroke limiting groove 11, and then the slide shaft 1 is pushed by an external force to move the slide shaft 1 relative to the slide housing 2 axially toward the external actuator a, the balls 5 in the respective radial passages being moved radially outward from the inside of the actuator-side axial stroke limiting groove 11 and radially compressing the corresponding springs 6 to move out of the actuator-side axial stroke limiting groove 11 and being in rolling contact with the outer peripheral surface 14 of the slide shaft 1 as the slide shaft 1 moves axially relative to the slide housing 2, and when the balls 5 in the respective radial passages reach the rotating-member-side axial stroke limiting groove 10, the respective balls 5 are moved inward by the corresponding springs 6 to enter the rotating-member-side axial stroke limiting groove 10 and remain in contact with the bottom wall 102 of the rotating-member-side axial stroke limiting groove 10, thereby axially moving the first axial connection end 12 into position and to the external actuating member a, and thereafter connecting the second axial connection end 13 to the external rotating member;
when the external rotation component rotates, the external rotation component rotates to drive the sliding shaft 1 to rotate relative to the shaft sleeve 4 or the external rotation component rotates to drive the sliding shaft 1, the sliding sleeve 2, the fixed sleeve 3, the balls 5, the spring 6 and the jackscrew 7 to rotate relative to the shaft sleeve 4 through the two ball bearings 8, so that the external execution component a is driven to rotate to execute the process operation.
When the positioning and rotating mechanism is disassembled: after the outer actuating member a performs the process operation, the second axial connecting end 13 is disconnected from the outer rotating member and performs the operation opposite to the operation of connecting the positioning and rotating mechanism to the outer actuating member a under the action of the external force to move the slide shaft 1 in the axial direction with respect to the slide housing 2, so that the balls 5 in the respective radial passages are moved from the rotating member-side axial stroke limiting groove 11 of the slide shaft 1 into the outer actuating member axial stroke limiting groove 10 of the slide shaft 1, thereby axially moving the first axial connecting end 12 into position.
In the positioning and rotating mechanism of the present invention, the sliding shaft 1 has the axial stroke limiting groove 10 on the rotating component side and the axial stroke limiting groove 11 on the executing component side, and the plurality of balls 5, the plurality of springs 6, the plurality of jackscrews 7 and the two ball bearings 8 are used in cooperation, so that the axial sliding, circumferential rotation and axial limiting of the positioning and rotating mechanism are realized, and the coaxiality of the whole structure is ensured; and the sliding shaft 1, the sliding sleeve 2, the fixed sleeve 3 and the shaft sleeve 4 are connected in a matching manner, so that the reliability of the whole structure is improved, and the maintenance cost is reduced.
In an embodiment, the sliding shaft 1 may be made of a metal material, but is not limited thereto, and a suitable material may be used as needed.
In one embodiment, referring to fig. 2, 3, 4 and 6, the side wall 101 of the actuator-side axial travel limit groove 10 is a sloped surface and the bottom wall 102 is a cylindrical surface; the side wall 111 of the axial stroke limiting groove 11 on the rotation member side is an inclined surface and the bottom wall 112 is a cylindrical surface.
In one embodiment, the bottom wall 102 of the component-side axial travel limit groove 10 may be surface treated by heat treatment; the bottom wall 112 of the axial travel limiting groove 11 of the rotating member may be surface treated by heat treatment.
In an embodiment, referring to fig. 2, 3, 4 and 7, the first axial connecting end 12 of the sliding axle 1 is provided with an internally threaded hole 121 to be threadedly connected with the external actuating member a.
In an embodiment, referring to fig. 2, 3, 4, 6 and 7, the second axial connection end 13 of the sliding axle 1 is provided with a catch 131 for snap engagement with an external rotating part.
In one embodiment, referring to FIG. 8, external actuator A may be a core-winding mechanism, although not limited thereto, and any other external actuator may be connected.
In one embodiment, the external rotating member may be a motor (not shown), but of course is not limited thereto and may be any other external rotating member.
In one embodiment, the sliding sleeve 2 is made of a metal material, but is not limited thereto, and a suitable material may be used as needed.
The utility model discloses an among the positioning and rotating mechanism, the quantity of through-hole 21 of sliding sleeve 2 is at least two. In one embodiment, referring to fig. 6, the number of the through holes 21 of the sliding sleeve 2 is three.
In an embodiment, the cover 3 is made of a metal material, although not limited thereto, and a suitable material may be used as required.
In an embodiment, with reference to figures 5, 6, 7 and 8, the fixed sleeve 3 has a threaded hole 33 passing radially therethrough for the screw to be screwed into abutment against the outer peripheral surface 23 of the sliding sleeve 2.
In an embodiment, with reference to fig. 5 and 6, the threaded holes 33 of the fixing sleeve 3 are equally circumferentially spaced.
In one embodiment, the sleeve 4 is made of a metal material, but is not limited thereto, and a suitable material may be used as needed.
In one embodiment, referring to fig. 1-8, the bushing 4 has a mounting flange 42, the mounting flange 42 being secured to an external frame (not shown).
In an embodiment, referring to fig. 5 and 6, it is characterized in that the fixing flange 42 is provided with a threaded hole 421 for screwing to the external frame.
In an embodiment, each ball bearing 8 may be a deep groove ball bearing, but is not limited thereto, and may be other types of bearings.
In an embodiment, with reference to fig. 2, 3, 4 and 7, one of the ball bearings 8 is housed in one of the annular recesses 41 for bearing of the sleeve 4 and abuts against the annular recess 41 for bearing on the axial inner side and the flange table 22 of the sliding sleeve 2 on the axial outer side, while the other ball bearing 8 is housed in the other annular recess 41 for bearing of the sleeve 4 and abuts against the annular recess 41 for bearing on the axial inner side and the fixed sleeve 3 on the axial outer side. It is supplementary to the description here that the above-mentioned abutting contact does not hinder the bearing rotation to the limit.
In an embodiment, with reference to fig. 2, 3, 4, 6 and 7, the fixed sleeve 3 has an annular projection 32 for bearing axially on the outside against the ball bearing 8 in contact with the fixed sleeve 3.
Claims (10)
1. A positioning and rotating mechanism, comprising:
a slide shaft (1) is provided with:
a rotating member-side axial stroke limit groove (10) and an actuating member-side axial stroke limit groove (11) which are circumferentially arranged and axially spaced;
a first axial connection end (12) for connection to an external actuator (A); and
a second axial connection end (13) for connection to an external rotating part;
a sliding sleeve (2) which is sleeved on the sliding shaft (1) and is provided with:
a plurality of through holes (21) which are located at one axial end of the sliding sleeve (2) close to the external rotating component, are distributed at equal intervals along the circumferential direction and penetrate in the radial direction; and
a flange table (22) located at one end of the sliding sleeve (2) close to the axial direction of the external execution component (A);
the fixing sleeve (3) is sleeved and fixed on the sliding sleeve (2) and is provided with a plurality of through holes (31) which are distributed at equal intervals along the circumferential direction and run through in the radial direction, and the number of the through holes (31) is the same as that of the through holes (21) of the sliding sleeve (2);
a sleeve (4) which is cylindrical, has two annular bearing recesses (41) located at both ends of the sleeve (4) in the axial direction, and is fixed to the external frame so that the sleeve (4) is fixed;
a plurality of balls (5) with the same number as the through holes (21) of the sliding sleeve (2), wherein each ball (5) is accommodated in a radial channel formed by a corresponding through hole (31) of the fixed sleeve (3) and a corresponding through hole (21) of the sliding sleeve (2);
a plurality of springs (6) having the same number as the balls (5), each spring (6) being accommodated in a corresponding one of the radial passages and abutting against the ball (5) in the corresponding radial passage from a radially outer side;
the number of the jackscrews (7) is the same as that of the balls (5), each jackscrew (7) is fixed on the fixed sleeve (3), and each jackscrew (7) is accommodated in a corresponding radial channel and abuts against the spring (6) in the corresponding radial channel from the radial outer side, so that each spring (6) is positioned between one corresponding ball (5) and one corresponding jackscrew (7) in the radial direction; and
the two ball bearings (8) are fixedly arranged between the sliding sleeve (2) and the shaft sleeve (4) along the axial direction;
wherein,
when the positioning and rotating mechanism works: firstly, the shaft sleeve (4) is fixed on an external frame, the ball (6) in each radial channel is positioned in the execution component side axial stroke limiting groove (11) and contacts the bottom wall (112) of the execution component side axial stroke limiting groove (11), then the sliding shaft (1) is pushed by external force, the sliding shaft (1) moves relative to the sliding sleeve (2) along the axial direction to the external execution component (A), the ball (5) in each radial channel moves outwards from the inside of the execution component side axial stroke limiting groove (11) and radially compresses the corresponding spring (6), thereby moving out of the execution component side axial stroke limiting groove (11) and rolling contacts the outer peripheral surface (14) of the sliding shaft (1) along with the axial movement of the sliding shaft (1) relative to the sliding sleeve (2), when the ball (5) in each radial channel reaches the rotating component side axial stroke limiting groove (10), each ball (5) moves inwards under the action of a corresponding spring (6) to enter the rotating part side axial stroke limiting groove (10) and keep in contact with the bottom wall (102) of the rotating part side axial stroke limiting groove (10), so that the first axial connecting end (12) moves in place axially and is connected to the external execution component (A), and then the second axial connecting end (13) is connected to the external rotating part;
when the external rotating part rotates, the external rotating part rotates to drive the sliding shaft (1) to rotate relative to the shaft sleeve (4) or the external rotating part rotates to drive the sliding shaft (1), the sliding sleeve (2), the fixed sleeve (3), the ball (5), the spring (6) and the jackscrew (7) to rotate relative to the shaft sleeve (4) through the two ball bearings (8), so that the external executing part (A) is driven to rotate to execute the process operation;
when the positioning and rotating mechanism is disassembled: after the external execution component (A) performs the process operation, the second axial connecting end (13) is disconnected from the external rotation component, and the operation opposite to the operation that the positioning rotating mechanism is connected to the external execution component (A) is performed under the action of external force, so that the sliding shaft (1) moves along the axial direction relative to the sliding sleeve (2), the balls (5) in the radial channels move from the axial stroke limiting groove (11) on the rotation component side of the sliding shaft (1) to the axial stroke limiting groove (10) on the external execution part of the sliding shaft (1), and the first axial connecting end (12) axially moves in place.
2. The positioning and rotating mechanism according to claim 1,
the side wall (101) of the axial stroke limiting groove (10) on the execution component side is an inclined surface, and the bottom wall (102) is a cylindrical surface;
the side wall (111) of the axial stroke limit groove (11) at the side of the rotating part is an inclined surface, and the bottom wall (112) is a cylindrical surface.
3. The positioning and rotation mechanism according to claim 1, characterized in that the first axial connection end (12) of the sliding shaft (1) is provided with an internally threaded hole (121) to be screwed with an external actuation member (a).
4. Positioning and rotation mechanism according to claim 1, characterized in that the second axial connection end (13) of the sliding shaft (1) is provided with a catch (131) for snap engagement with an external rotating part.
5. Positioning and rotating mechanism according to claim 1, characterized in that the external actuation part (a) is a core-winding mechanism.
6. The positioning and rotation mechanism of claim 1, wherein the outer rotating component is a motor.
7. Positioning and rotation mechanism according to claim 1, characterized in that the fixing sleeve (3) has a threaded hole (33) passing through it in the radial direction, for the screw to be screwed into abutment against the outer peripheral surface (23) of the sliding sleeve (2).
8. Positioning and rotation mechanism according to claim 1, characterized in that the bushing (4) has a fixing flange (42), the fixing flange (42) being fixed to the external frame.
9. The positioning and rotation mechanism according to claim 1, characterized in that one of the ball bearings (8) is accommodated in one of the bearing annular recesses (41) of the sleeve (4) and abuts against the bearing annular recess (41) on the axially inner side and against the flange land (22) of the sliding sleeve (2) on the axially outer side, and the other ball bearing (8) is accommodated in the other bearing annular recess (41) of the sleeve (4) and abuts against the bearing annular recess (41) on the axially inner side and against the fixed sleeve (3) on the axially outer side.
10. Positioning and rotation mechanism according to claim 9, characterized in that the fixing sleeve (3) has an annular projection (32) for abutment, axially on the outside, against the ball bearing (8) in contact with the fixing sleeve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520585089.2U CN204823512U (en) | 2015-08-06 | 2015-08-06 | Fixed position rotation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520585089.2U CN204823512U (en) | 2015-08-06 | 2015-08-06 | Fixed position rotation mechanism |
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| CN204823512U true CN204823512U (en) | 2015-12-02 |
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| CN201520585089.2U Active CN204823512U (en) | 2015-08-06 | 2015-08-06 | Fixed position rotation mechanism |
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| CN112211904A (en) * | 2019-07-09 | 2021-01-12 | 大族激光科技产业集团股份有限公司 | Linear bearing and tubular linear motor |
| CN112604604A (en) * | 2021-01-22 | 2021-04-06 | 河南黄河田中科美压力设备有限公司 | Steel ring and big cushion block connecting device of cubic apparatus diamond synthetic press |
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| CN105811652A (en) * | 2016-04-11 | 2016-07-27 | 上海度哥驱动设备有限公司 | Installation structure of permanent-magnet brake for motor |
| CN106006235A (en) * | 2016-07-30 | 2016-10-12 | 无锡市斯威克科技有限公司 | Fixing fixture for tin fillet scroll |
| CN106622952A (en) * | 2016-11-18 | 2017-05-10 | 邓银常 | Material-control operating device for paddy and brown rice separator |
| CN109081154A (en) * | 2017-06-14 | 2018-12-25 | 精工爱普生株式会社 | Spool body supporting arrangement and printing equipment |
| CN108466960A (en) * | 2018-04-16 | 2018-08-31 | 张维康 | A kind of removable Architectural Equipment hanging apparatus that can be rotated |
| CN110395192A (en) * | 2018-04-24 | 2019-11-01 | 比亚迪股份有限公司 | For adjusting executing agency, display terminal component and the vehicle of display terminal |
| CN109625762A (en) * | 2018-12-14 | 2019-04-16 | 中国航空工业集团公司西安飞机设计研究所 | A kind of universal driving device |
| CN109940794A (en) * | 2019-04-30 | 2019-06-28 | 山东豪迈机械科技股份有限公司 | A kind of exhaust apparatus and tire-mold |
| CN112211904A (en) * | 2019-07-09 | 2021-01-12 | 大族激光科技产业集团股份有限公司 | Linear bearing and tubular linear motor |
| CN111646324A (en) * | 2020-04-30 | 2020-09-11 | 中国科学院深圳先进技术研究院 | Winding mechanism and winding device |
| CN111904649A (en) * | 2020-07-30 | 2020-11-10 | 深圳市瑞沃德生命科技有限公司 | Rotary positioning device and brain stereotaxic instrument |
| CN112604604A (en) * | 2021-01-22 | 2021-04-06 | 河南黄河田中科美压力设备有限公司 | Steel ring and big cushion block connecting device of cubic apparatus diamond synthetic press |
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| CN114833773A (en) * | 2022-04-19 | 2022-08-02 | 李艳明 | Bolt screwing device for automobile chassis production |
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Address after: 352100 Jiaocheng District of Ningde City, Fujian Province Zhang Wan Zhen Xingang Road No. 1 Patentee after: Contemporary Amperex Technology Co.,Ltd. Address before: 352100 Jiaocheng District of Ningde City, Fujian Province Zhang Wan Zhen Xingang Road No. 1 West Building 1F- research Patentee before: CONTEMPORARY AMPEREX TECHNOLOGY Ltd. |