CN116498658A - Floating bearing for lithium battery winding head - Google Patents
Floating bearing for lithium battery winding head Download PDFInfo
- Publication number
- CN116498658A CN116498658A CN202310589897.5A CN202310589897A CN116498658A CN 116498658 A CN116498658 A CN 116498658A CN 202310589897 A CN202310589897 A CN 202310589897A CN 116498658 A CN116498658 A CN 116498658A
- Authority
- CN
- China
- Prior art keywords
- inner ring
- ring
- arc
- winding head
- lithium battery
- 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.)
- Pending
Links
- 238000004804 winding Methods 0.000 title claims abstract description 45
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 30
- 230000007704 transition Effects 0.000 claims abstract description 9
- 238000005096 rolling process Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 5
- 229910001416 lithium ion Inorganic materials 0.000 description 5
- 230000007547 defect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Support Of The Bearing (AREA)
Abstract
A floating bearing for a lithium battery winding head relates to a lithium battery winding head bearing, wherein the other sides of a plurality of arc-shaped blocks A (6) extend into gaps among a plurality of arc-shaped blocks B (8), the other sides of the plurality of arc-shaped blocks B (8) extend into the gaps among the plurality of arc-shaped blocks A (6), a spring (7) is arranged between an inner ring A (1) and an inner ring B (9), and the inner ring is arranged in an outer ring (15) in a manner that a plurality of spherical rollers B (11) are contacted with arc transitions (16); according to the invention, the outer ring of the ball bearing is in an angular contact mode, the inner rings are in a mutually staggered splicing structure, so that only half of balls in the ball bearing bear the outer ring to achieve light running under normal working conditions.
Description
Technical Field
The invention relates to a lithium battery winding head bearing, in particular to a floating bearing for a lithium battery winding head.
Background
The power battery winding machine is lithium battery manufacturing equipment for winding a diaphragm and a pole piece into a whole to form a bare cell, and consists of a plurality of component devices, wherein the most important component is a winding head part, and the winding head part not only integrates a winding needle, a work changing position, a winding needle rotation, a winding needle stretching and retracting mechanism and the like, but also is matched with a gummed paper mechanism, a blanking mechanism and the like to complete various working procedures, so that the winding head is the most important component which directly influences the forming of the cell. In order to ensure the smoothness of the winding core of the winding head, the winding head needs to be continuously and stably rotated by a bearing, the number of balls in the ball bearing for the traditional lithium battery winding head is constant, and the ball bearing is easy to cause the rotation of the lithium battery winding head to be light due to small radial pressure required to be borne by the lithium battery winding head, and the ball bearing ensures the stable rotation of the lithium battery winding head, but the lithium battery winding head is easy to swing and slide during the winding of the battery core, so that the defect of eccentric rotation of the ball bearing due to swing and slide is easy to be caused.
Disclosure of Invention
In order to overcome the defects in the background art, the invention discloses a floating bearing for a lithium battery winding head, wherein the outer ring of a ball bearing is in an angular contact mode, the inner ring is in a mutually staggered insertion structure, so that only half of balls in the ball bearing can bear the outer ring to achieve light running under normal working conditions, when the lithium battery winding head slides slightly and transversely, the spring can effectively eliminate damage to the bearing caused by twisting of the inner ring and the outer ring of the bearing after the traditional bearing is offset, and when the sliding is overlarge, the other half of balls also contact the outer ring to ensure the purposes of limiting offset and stable running.
In order to achieve the aim of the invention, the invention adopts the following technical scheme:
the utility model provides a floating bearing for lithium electricity coiling head, including inner circle and outer lane, the outer lane inner wall of outer lane is one side neck-expanding one side necking down, be equipped with the baffle ring at the neck-reducing end of outer lane inner wall, be equipped with arc transition between baffle ring and outer lane inner wall, the inner circle includes inner ring A and inner ring B, interval on inner ring A's inner ring outer wall A is equipped with a plurality of one side and inner ring A's terminal surface parallel and level, the arc piece A of the other terminal surface of opposite side protrusion inner ring A, all be equipped with ball socket A at each arc piece A's outer fringe face, all inlay in each ball socket A and have spherical roller A that can roll, interval on inner ring B's inner ring outer wall B is equipped with a plurality of one side and inner ring B's terminal surface parallel and level, the arc piece B of the other terminal surface of opposite side protrusion inner ring B's terminal surface is equipped with ball socket B in each ball socket B, the spherical roller B that can roll in inner ring B's the interval, another terminal surface and inner ring B's another terminal surface is adjacent, the opposite side of a plurality of arc piece A stretches into in the gap between a plurality of arc piece B's the arc piece, the spherical roller A's the other side stretches into the spherical roller B's the spherical roller B that can be equipped with a plurality of one side and a plurality of inner ring B in the same terminal surface and the same plane of arc piece B, diameter of the same plane of the spherical roller A is located in the same plane of the inner ring B, the spherical roller B is equipped with the spherical roller B, the diameter of the spherical roller A is located in the same plane A is different plane, the diameter of the same plane A is different between the spherical roller A is located in the same plane A is in the inner ring B is different between the inner ring B, and the spherical roller B is equipped with.
The floating bearing for the lithium battery winding head is characterized in that an annular groove A is formed in the other end face of the inner ring A, an annular groove B is formed in the other end face of the inner ring B, one end of the spring is fixedly connected with the bottom of the annular groove A, the other end of the spring is fixedly connected with the bottom of the annular groove B, and the side wall of the spring is in clearance fit with the side wall of the annular groove A and the side wall of the annular groove B.
The floating bearing for the lithium battery winding head is characterized in that more than half of spherical rollers A are positioned in a ball socket A, and the diameter of the opening of the ball socket A is smaller than that of the spherical rollers A.
The outer diameter of the ball roller A is the same as that of the ball roller B after the ball roller A is arranged in the ball socket A, and the ball roller B is arranged in the ball socket B.
The floating bearing for the lithium battery winding head is characterized in that the inner ring B is positioned in the outer ring, and one end face of the inner ring A is not higher than the neck expansion end of the outer ring.
The diameter of the spherical roller A is the same as that of the spherical roller B.
The floating bearing for the lithium battery winding head is characterized in that each arc-shaped block A and each arc-shaped block B are in clearance fit respectively.
Due to the adoption of the technical scheme, the invention has the following beneficial effects:
according to the floating bearing for the lithium battery winding head, through setting the outer ring of the ball bearing to be in an angular contact mode and setting the inner rings to be in a mutually staggered insertion structure, only half of balls in the ball bearing can bear the outer ring to achieve light running under normal working conditions, when the lithium battery winding head slides slightly and transversely, the spring can effectively eliminate damage to the bearing caused by twisting of the inner ring and the outer ring of the bearing after the traditional bearing is deviated, and when the sliding is overlarge, the other half of balls can also contact the outer ring to ensure the purposes of limiting deviation and stable running; the invention has the advantages of simple and reasonable structure, good use effect, wide application range, easy operation and wide market prospect.
Drawings
FIG. 1 is a schematic view of an assembled structure of the present invention;
FIG. 2 is a half cross-sectional view of FIG. 1;
FIG. 3 is a schematic view of the structure of the spherical roller B and the arc-shaped transitional contact of the invention;
FIG. 4 is a schematic view of the configuration of the ball roller A and socket A of the present invention in cooperation;
FIG. 5 is a schematic diagram of two embodiments of the present invention;
FIG. 6 is a schematic view of the structure of the present invention when the plurality of ball rollers A and the plurality of ball rollers B are in the same plane after the springs are compressed during use;
fig. 7 is a schematic structural view of the present invention, in which the spherical rollers a and B are in contact with an arc transition after being in the same plane.
In the figure: 1. an inner ring A; 2. the inner wall A of the half inner ring; 3. ball socket a; 4. the outer wall A of the half inner ring; 5. a spherical roller A; 6. arc block A; 7. a spring; 8. an arc-shaped block B; 9. an inner ring B; 10. the inner wall B of the half inner ring; 11. a spherical roller B; 12. ball socket B; 13. the outer wall B of the half inner ring; 14. an inner wall of the outer ring; 15. an outer ring; 16. arc transition; 17. a baffle ring; 18. a ring groove A; 19. and a ring groove B.
Description of the embodiments
The invention will be explained in more detail by the following examples, which are not intended to limit the invention thereto, and the purpose of the present invention is to protect all changes and modifications within the scope of the invention;
the floating bearing for the lithium battery winding head comprises an inner ring and an outer ring 15, wherein the inner ring wall 14 of the outer ring 15 is a neck with one neck expansion side, the neck end of the inner ring wall 14 is provided with a baffle ring 17, an arc transition 16 is arranged between the baffle ring 17 and the inner ring wall 14, the inner ring comprises an inner ring A1 and an inner ring B9, a plurality of arc blocks A6 with one side flush with one end face of the inner ring A1 and the other side protruding out of the other end face of the inner ring A1 are arranged on the inner ring outer wall A4 of the inner ring A1 at intervals, a ball socket A3 is arranged on the outer edge face of each arc block A6, a spherical roller A5 capable of rolling is embedded in each ball socket A3, more than half of spherical roller A5 is positioned in the ball socket A3, the diameter of the opening of the ball socket A3 is smaller than the diameter of the spherical roller A5, a plurality of arc blocks B8 with one side flush with one end face of the inner ring B9 and the other side protruding out of the other end face of the inner ring B9 are arranged on the inner ring outer wall B13 of the inner ring B9 at intervals, the outer edge surface of each arc-shaped block B8 is provided with a ball socket B12, each ball socket B12 is internally provided with a spherical roller B11 capable of rolling, the outer diameter of the spherical roller A5 is the same as that of the spherical roller B11 after the spherical roller B11 is arranged in the ball socket B12 after the spherical roller A3 is arranged in the ball socket B12, the other end surface of the inner ring A1 is adjacent to the other end surface of the inner ring B9, the other sides of the arc-shaped blocks A6 extend into gaps among the arc-shaped blocks B8, the other sides of the arc-shaped blocks B8 extend into the gaps among the arc-shaped blocks A6, a spring 7 is arranged between the inner ring A1 and the inner ring B9, the other end surface of the inner ring A1 is provided with a ring groove A18, the other end surface of the inner ring B9 is provided with a ring groove B19, one end of the spring 7 is fixedly connected with the bottom of the ring groove A18, the other end of the spring 7 is fixedly connected with the bottom of the ring groove B19, the side wall of the spring 7 and the side wall of the ring groove A18 are in clearance fit, the inner ring is arranged in the outer ring 15 in a mode that a plurality of spherical rollers B11 are in contact with the arc transition 16, the plane where a plurality of spherical rollers A5 are positioned and the plane where a plurality of spherical rollers B11 are positioned are not in the same plane, the plane where a plurality of spherical rollers A5 are positioned can be in the same plane with a plurality of spherical rollers B11 after the spring 7 is contracted, the diameter of an inner ring inner wall A2 arranged on the inner ring A1 is smaller than the diameter of an inner ring inner wall B10 arranged on the inner ring B9, one end face of the inner ring A1 is not higher than the neck expansion end of the outer ring 15 after the inner ring B9 is positioned in the outer ring 15, the diameter of the spherical rollers A5 is the same as the diameter of the spherical rollers B11, and each arc block A6 and each arc block B8 are in clearance fit.
According to the floating bearing for the lithium battery winding head, the spherical rollers A5 with the same number as a plurality of ball sockets A3 are arranged in the ball sockets A3, more than half of the spherical rollers A5 are arranged in the ball sockets A3, the diameter of the opening of the ball sockets A3 is smaller than that of the spherical rollers A5, so that the spherical rollers A5 cannot fall out in the ball sockets A3, the spherical rollers B11 with the same number as a plurality of ball sockets B12 are arranged in the ball sockets B12, one end of a spring 7 is fixedly connected with the bottom of an annular groove A18, the other end of the spring 7 is fixedly connected with the bottom of an annular groove B19, the other side of a plurality of arc blocks A6 arranged on an inner ring A1 extends into gaps among a plurality of arc blocks B8, and the other side of the arc blocks B8 arranged on the inner ring B9 extends into the gaps among the arc blocks A6; when the lithium-ion battery winding head is used, with reference to fig. 5-7, two sets of the lithium-ion battery winding head are oppositely arranged to be matched with one another, two outer rings 15 are sleeved in a shaft seat in a manner of contacting neck ends of inner walls 14 of the two outer rings, the two inner rings are arranged in the two outer rings 15 in a manner of contacting arc transition 16 of each outer ring 15 with a plurality of spherical rollers B11 of each inner ring, a rotating shaft penetrates through the two inner rings, the diameter of an inner ring inner wall A2 of an inner ring A1 is smaller than that of an inner ring inner wall B10 of the inner ring B9, the rotating shaft is fixedly connected with the inner ring inner wall A2 only, the planes of the spherical rollers A5 of the two inner rings and the planes of the spherical rollers B11 of the two inner rings are not in the same plane, and when the lithium-ion battery winding head rotates, if the spring 7 is in a slight sliding motion, the damage to the bearing caused by the inner ring and the outer ring of the traditional bearing after the bearing is offset (leftwards or rightwards) can be effectively eliminated, the stable running of the lithium-ion battery winding head is protected, and the stable running of the lithium-ion battery winding head can also ensure that one of the spherical rollers A5 is in a stable running when the sliding is in a large enough condition.
The invention is not described in detail in the prior art.
Claims (7)
1. A floating bearing for lithium electricity winding head, characterized by: the inner ring comprises an inner ring and an outer ring (15), wherein an inner ring wall (14) of the outer ring (15) is necked down at one side of a neck expansion, a baffle ring (17) is arranged at the neck-down end of the inner ring wall (14), an arc transition (16) is arranged between the baffle ring (17) and the inner ring wall (14), the inner ring comprises an inner ring A (1) and an inner ring B (9), a plurality of arc blocks A (6) with one side flush with one end surface of the inner ring A (1) and the other end surface protruding out of the inner ring A (1) are arranged on an inner ring outer wall A (4) of the inner ring A (1) at intervals, ball sockets A (3) are arranged on the outer edge surface of each arc block A (6), spherical rollers A (5) capable of rolling are embedded in each ball socket A (3), a plurality of arc blocks B (8) are arranged on the inner ring outer wall B (13) at intervals, one end surface flush with one end surface of the inner ring B (9) and the other end surface protruding out of the inner ring B (9), a plurality of arc blocks B (8) are arranged on the outer edge surface of each arc block B (8), a plurality of adjacent ball sockets A (12) can extend into the arc blocks B (11) and the other end surface (8) of the inner ring B (9) respectively, the other side of a plurality of arc blocks B (8) stretches into gaps among a plurality of arc blocks A (6), a spring (7) is arranged between an inner ring A (1) and an inner ring B (9), an inner ring is arranged in an outer ring (15) in a mode that a plurality of spherical rollers B (11) are in contact with arc transition (16), the plane where a plurality of spherical rollers A (5) are located and the plane where a plurality of spherical rollers B (11) are located are not in the same plane, the plane where a plurality of spherical rollers A (5) are located can be in the same plane with a plurality of spherical rollers B (11) after the spring (7) is contracted, and the diameter of an inner ring inner wall A (2) arranged on the inner ring A (1) is smaller than the diameter of an inner ring inner wall B (10) arranged on the inner ring B (9).
2. The floating bearing for a lithium battery winding head according to claim 1, characterized in that: the other end face of the inner ring A (1) is provided with a ring groove A (18), the other end face of the inner ring B (9) is provided with a ring groove B (19), one end of the spring (7) is fixedly connected with the bottom of the ring groove A (18), the other end of the spring (7) is fixedly connected with the bottom of the ring groove B (19), and the side wall of the spring (7) is in clearance fit with the side wall of the ring groove A (18) and the side wall of the ring groove B (19).
3. The floating bearing for a lithium battery winding head according to claim 1, characterized in that: more than half of the spherical roller A (5) is positioned in the ball socket A (3), and the diameter of the opening of the ball socket A (3) is smaller than the diameter of the spherical roller A (5).
4. The floating bearing for a lithium battery winding head according to claim 1, characterized in that: the outer diameter of the ball roller A (5) is the same as that of the ball roller B (11) after being arranged in the ball socket A (3) and the ball socket B (12).
5. The floating bearing for a lithium battery winding head according to claim 1, characterized in that: the inner ring B (9) is positioned in the outer ring (15), and one end surface of the inner ring A (1) is not higher than the neck expansion end of the outer ring (15).
6. The floating bearing for a lithium battery winding head according to claim 1, characterized in that: the diameter of the spherical roller A (5) is the same as the diameter of the spherical roller B (11).
7. The floating bearing for a lithium battery winding head according to claim 1, characterized in that: and each arc-shaped block A (6) and each arc-shaped block B (8) are in clearance fit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310589897.5A CN116498658A (en) | 2023-05-24 | 2023-05-24 | Floating bearing for lithium battery winding head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310589897.5A CN116498658A (en) | 2023-05-24 | 2023-05-24 | Floating bearing for lithium battery winding head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116498658A true CN116498658A (en) | 2023-07-28 |
Family
ID=87318326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310589897.5A Pending CN116498658A (en) | 2023-05-24 | 2023-05-24 | Floating bearing for lithium battery winding head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116498658A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116753233A (en) * | 2023-08-17 | 2023-09-15 | 河北亚超轴承集团有限公司 | Needle bearing |
-
2023
- 2023-05-24 CN CN202310589897.5A patent/CN116498658A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116753233A (en) * | 2023-08-17 | 2023-09-15 | 河北亚超轴承集团有限公司 | Needle bearing |
| CN116753233B (en) * | 2023-08-17 | 2023-10-20 | 河北亚超轴承集团有限公司 | Needle bearing |
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