CN2705654Y - Can rotor bearing - Google Patents
Can rotor bearing Download PDFInfo
- Publication number
- CN2705654Y CN2705654Y CN 200420027705 CN200420027705U CN2705654Y CN 2705654 Y CN2705654 Y CN 2705654Y CN 200420027705 CN200420027705 CN 200420027705 CN 200420027705 U CN200420027705 U CN 200420027705U CN 2705654 Y CN2705654 Y CN 2705654Y
- Authority
- CN
- China
- Prior art keywords
- raceway
- rolling element
- inner ring
- hole
- steel ball
- 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
Links
Images
Landscapes
- Looms (AREA)
- Rolling Contact Bearings (AREA)
Abstract
A kind of cam rotor bearing belongs to the weaving bearing.It comprises the inner ring and the outer ring of tool center hole and a pair of positioning hole and is arranged at rolling element between the inside and outside circle, be concaved with the raceway that rolls for rolling element on the outer circumferential face of described inner ring and the inner peripheral surface of outer ring respectively, the homonymy in inner ring and outer ring offers ball-loading hole; Described rolling element is a steel ball, and row is full in raceway.This is novel to be rolling element with the steel ball, and the both sides of raceway can be played retaining and be protected steel ball, and steel ball is had the axial limiting effect, and inner ring, rolling element, outer ring axially are being consistent, and the play phenomenon is effectively controlled; Hole shape is that the ball-loading hole of cone shape can be beneficial to conveniently packing into of steel ball; The fine thread of positioning hole can be beneficial to the raising fixed effect; The outer ring is thinner than inner ring, can avoid in use big blade of loom and the coplanar panel generation of inner ring wearing and tearing collision; Ball-loading hole does not extend to the bottom of trench of raceway, but leaves certain hold depth, ensures that steel ball can not skid off.
Description
Technical field
The utility model relates to a kind of cam rotor bearing, particularly the cam rotor bearing on a kind of shedding device of weaving machine, be installed on the big blade of loom, the wheel of the conjugate cam by loom belongs to the weaving bearing along ordering about big blade and connecting rod mechanism movement with the effect of its outer ring.
Background technique
The shape and structure of loom conjugate cam, effect are known by the Professional visitors just as shown in the Chinese patent ZL00220369.3, no longer superfluous reaching.Yet the claimant is noted that: the cam rotor bearing that is used on the shedding device of weaving machine in the prior art is illustrated in figure 4 as a kind of roller bearing, and it is to be rolling element with the cylindrical roller, and the bearing of this kind structure has the following disadvantages.
1, owing to is as rolling element 3 with columned roller, the bus of rolling element 3 shows as straight line, no axial constraint between circle 2 and the outer ring 1 within the bearing, thereby can produce certain axial relative displacement between inner ring 2, rolling element 3 and the outer ring 1, cause play, thereby cause whole shedding motion transmission unreliable, and can aggravate bearing wear and weak pointization working life.
2,, be not very not flexibly aspect the flexibility of rotating or claiming to roll because rolling element 3 is cylindric.
3, the installation of whole bearing is that pressured plate is installed, and promptly guarantees the position of bearing with the clamping force between two plates by center hole 5 and positioning hole 4.Yet when screw loosening that pressing plate distortion or clam member are used, becoming flexible can appear in bearing, influence using effect, and this reason system installs inconvenience and causes.
Summary of the invention
Task of the present utility model is will provide not produce between a kind of inner ring, rolling element and the outer ring that axial displacement, rolling element are packed into conveniently, cam rotor bearing flexibly rolls.
Another task of the present utility model is that a kind of cam rotor bearing that can realize secure fixation with the big blade of loom will be provided.
Also task of the present utility model be to provide the coplanar panel of inner ring of a kind of big blade of avoiding loom and bearing take place the friction collision, guarantee the reliable cam rotor bearing of stability of rotation.
Another task of the present utility model is that a kind of cam rotor bearing of guaranteeing that rolling element can not skid off from raceway will be provided.
For top priority of the present utility model is finished in embodiment, technological scheme provided by the utility model is: a kind of cam rotor bearing, it comprises the inner ring 2 and the outer ring 1 of tool center hole 5 and a pair of positioning hole 4 and is arranged at rolling element 3 between the inside and outside circle 2,1, characteristics are to be concaved with the raceway 7,9 that rolls for rolling element 3 on the inner peripheral surface of the outer circumferential face of described inner ring 2 and outer ring 1 respectively, and the homonymy opposite position in inner ring 2 and outer ring 1 offers and is used for to pack into the ball-loading hole 6,8 of rolling element 3 of raceway 7,9; Described rolling element 3 is a steel ball, and row is full between described raceway 7,9 one by one.
Finish another task of the present utility model for embodiment, the thickness S1 of outer ring 1 described in the utility model is littler than the thickness S2 of inner ring 2.
Finish also task of the present utility model for embodiment, positioning hole 4 described in the utility model is the fine thread hole.
For another task of the present utility model is finished in embodiment, raceway 7,9 of the present utility model is in the diameter of phi 1 of the ball-loading hole diameter of phi 2 that approaches the ditch bottom less than rolling element 3.
The sectional shape of raceway 7,9 described in the utility model is a circular arc.
The hole shape of ball-loading hole 6,8 described in the utility model is a cone shape.
Fine thread described in the utility model hole is of a size of M12 * 1.
As rolling element 3, can play retaining and protect steel ball, and steel ball is had the axial limiting effect, and inner ring 2, rolling element 3, outer ring 1 axially are being consistent by the both sides of raceway 7,9 with steel ball for the utility model, and the play phenomenon is effectively controlled; Hole shape is that the ball-loading hole 6,8 of cone shape can be beneficial to conveniently packing into of steel ball; The fine thread of positioning hole 4 can be beneficial to the raising fixed effect; Outer ring 1 is thinner than inner ring 2, can avoid the in use big blade of loom and inner ring 2 coplanar panels generation wearing and tearing collisions; Ball-loading hole 6,8 does not extend to the bottom of trench of raceway 7,9, but leaves certain hold depth, ensures that steel ball can not skid off.
Description of drawings
Fig. 1 is the assembling assumption diagram of the utility model cam rotor bearing.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is the partial enlarged drawing of Fig. 2.
Fig. 4 is the sectional view of the cam bawl bearing in the prior art.
Embodiment
Ask for an interview Fig. 1, the central authorities of inner ring 2 are center hole 5, and this center hole 5 is to be used for fixing on the big blade shaft of loom, and the screw thread of the positioning hole 4 that the both sides of center hole 5 are offered is a fine thread; Its specification is M12 * 1.Outer ring 1 forms a ring-type of holding whole inner ring 2, on the inner peripheral surface of the outer peripheral surface of inner ring 2 and outer ring 1, be arranged with respectively and be formed with the raceway 7,9 that the sectional shape that rolls for rolling element 3 is circular arc, homonymy in inner ring 2 and outer ring 1 position that aligns is expanded and to be provided with the ball-loading hole 6,8 that is used for rolling into to raceway 7,9 rolling element, as rolling element, row is full in the raceway that is combined into by raceway 7,9 with steel ball.When steel ball rolls betwixt, be extremely little vast and can ignore beating of non-rotating direction.Because there is the effect of rib on raceway 7,9 both sides of inner ring 2 and outer ring 1, after steel ball was packed into therebetween, rib had good axial limiting effect to steel ball, so inside and outside circle 2,1, the common effect of steel ball three make them in axial holding position unanimity.Just because of the mutual effect of contraction between inside and outside circle 2,1, the steel ball 3, inner ring 2 and outer ring 1 axially are being consistent, and the play phenomenon is effectively controlled.
The utility model, is fixed on inner ring 2 on the big blade of shedding device of weaving machine by screw and two positioning holes 4 when using installation by center hole 5 location.The cooperation of the positioning shaft on the big blade of center hole 5 and loom is played the bearing radial location; And axial location is played in the cooperation of screw and positioning hole 4, and positioning hole 4 can limit inner ring 2 and does invalid rotation under the effect of screw.Known, because the big blade of loom is vibrating mechanism, so positioning hole 4 adopts the fine thread hole of M12 * 1, produces self-locking after easy like this and the screw fit, can guarantee effectively that under vibration environment inner ring 2 can keep good fit for a long time with big blade; Another advantage in fine thread hole is to keep screw not lose efficacy for a long time, so center hole 5 and positioning hole 4 can guarantee the reliability that inner ring 2 is installed.
Ask for an interview Fig. 2, it is the sectional view of Fig. 1, has clearly revealed the thickness separately of inside and outside circle 2,1, and the thickness S1 of outer ring 1 is littler than the thickness S2 of inner ring 2.Adopt this scheme can make the utility model after installing avoid the big blade of loom and inner ring 2 coplanar panel generation frictional impacts at work, make the motion of whole bearing more reliable.
Ask for an interview Fig. 3, it is the partial sectional view of Fig. 1, ball-loading hole 6,8 on inside and outside circle 2,1 does not extend to the bottom of trench of raceway 7,9 when offering, but be reserved with certain hold depth, that is to say, be slightly less than diameter phi 1 as the steel ball of rolling element 3 passing through to the ball-loading hole diameter phi 2 of raceway 7,9 ditch bottoms, steel ball is not shown in raceway 7,9 and is skidded off like this.
The claimant narrates assembling process of the present utility model, and earlier nearly the steel ball of half quantity is installed in the raceway 7,9, and the steel ball of remaining part is that the ball-loading hole 6,8 of cone shape is pressed in the raceway 7,9 by hole shape again.When being pressed into, though inside and outside circle 2,1 all can produce certain elastic deformation, this resiliently deformable can not influence precision of the present utility model and using effect, and when resiliently deformable produced, ball-loading hole 6,8 became big, thereby gets so that steel ball enters raceway 7,9.Because the existence of aforesaid hold depth, steel ball can be in raceway stable operation, the raceway after installing be fully and, steel ball can be in the carrying work of whole raceway working area.
Claims (7)
1, a kind of cam rotor bearing, it comprises the inner ring (2) of tool center hole (5) and a pair of positioning hole (4) and outer ring (1) and is arranged at rolling element (3) between inside and outside circle (2), (1), it is characterized in that being concaved with respectively on the inner peripheral surface of the outer circumferential face of described inner ring (2) and outer ring (1) raceway (7), (9) of rolling for rolling element (3), the homonymy opposite position in inner ring (2) and outer ring (1) offers and is used for to raceway 7, (9) pack into ball-loading hole (6), (8) of rolling element (3); Described rolling element (3) is a steel ball, and row is full between described raceway 7, (9) one by one.
2, cam rotor bearing according to claim 1 is characterized in that the thickness S1 of described outer ring (1) is littler than the thickness S2 of inner ring (2).
3, cam rotor bearing according to claim 1 is characterized in that described positioning hole (4) is the fine thread hole.
4, cam rotor bearing according to claim 1 is characterized in that raceway (7), (9) are at the diameter Ф 1 of the ball-loading hole diameter Ф 2 that approaches the ditch bottom less than rolling element (3).
5, cam rotor bearing according to claim 1, the sectional shape that it is characterized in that raceway (7), (9) is a circular arc.
6, cam rotor bearing according to claim 1, the hole shape that it is characterized in that ball-loading hole (6), (8) is a cone shape.
7, cam rotor bearing according to claim 3 is characterized in that described fine thread hole is of a size of M12 * 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420027705 CN2705654Y (en) | 2004-06-02 | 2004-06-02 | Can rotor bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420027705 CN2705654Y (en) | 2004-06-02 | 2004-06-02 | Can rotor bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2705654Y true CN2705654Y (en) | 2005-06-22 |
Family
ID=34849630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420027705 Expired - Fee Related CN2705654Y (en) | 2004-06-02 | 2004-06-02 | Can rotor bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2705654Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314998A (en) * | 2014-09-28 | 2015-01-28 | 宁波更大集团有限公司 | Bearing processing method |
| CN105240404A (en) * | 2015-11-06 | 2016-01-13 | 如皋市非标轴承有限公司 | Combination bearing and machining and assembling method thereof |
| CN109404420A (en) * | 2018-11-28 | 2019-03-01 | 常熟长城轴承有限公司 | Bearing ball-loading hole structure and bearing |
-
2004
- 2004-06-02 CN CN 200420027705 patent/CN2705654Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314998A (en) * | 2014-09-28 | 2015-01-28 | 宁波更大集团有限公司 | Bearing processing method |
| CN105240404A (en) * | 2015-11-06 | 2016-01-13 | 如皋市非标轴承有限公司 | Combination bearing and machining and assembling method thereof |
| CN109404420A (en) * | 2018-11-28 | 2019-03-01 | 常熟长城轴承有限公司 | Bearing ball-loading hole structure and bearing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101862972B (en) | Rotational resistance applying device in main shaft driving device for machine tool | |
| CN102287459B (en) | Heavy-duty overrunning clutch | |
| WO2008146557A1 (en) | Pitch driver of wind turbine generator and wind turbine generator | |
| CN2705654Y (en) | Can rotor bearing | |
| WO2024045565A1 (en) | Double-cycloidal speed reducer | |
| CN102562862B (en) | Elastic sheet type overrunning clutch | |
| CN208787927U (en) | A kind of multiple-shaft tightening displacement modified gear | |
| CN102649247B (en) | There is the process equipment of profiling roller | |
| CN102162216B (en) | Edge alignment device and fixing mechanism | |
| CN211866184U (en) | Fluted disc connected roller | |
| CN102061890B (en) | Rotary drilling rig and follow-up frame structure thereof | |
| CN201511607U (en) | Driven paper feed braking system | |
| CA2413317A1 (en) | Laying head bearing with offset preloading | |
| CN211415433U (en) | Perforating device of online ventilative release film | |
| CN206108481U (en) | Damping formula coiling material device and material collecting device | |
| CN206012755U (en) | A kind of servo crawler belt wheel construction | |
| CN2611672Y (en) | Bearing for cam rotor | |
| CN2548969Y (en) | Forced side rollers combined with axial adjusting support rollers | |
| CN108080466A (en) | Pillar roll type channelling machine cam | |
| CN203948449U (en) | Single row roller bearing | |
| CN214205223U (en) | Linear electric push rod | |
| CN209875750U (en) | Special bearing for supporting roll of cold rolling mill | |
| CN207899975U (en) | A kind of winding type punching machine winding wheel and driving motor attachment device | |
| CN113085242B (en) | Rolling machine | |
| CN205271559U (en) | Rotation structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050622 Termination date: 20100602 |