CN207454541U

CN207454541U - A kind of taper roller is the double-deck bearing of hollow-core construction

Info

Publication number: CN207454541U
Application number: CN201721499943.9U
Authority: CN
Inventors: 王晓明; 张延超; 范辉辉
Original assignee: Luoyang Heshuo Bearing Technology Co Ltd
Current assignee: Luoyang Heshuo Bearing Technology Co Ltd
Priority date: 2017-11-13
Filing date: 2017-11-13
Publication date: 2018-06-05
Anticipated expiration: 2027-11-13

Abstract

A kind of taper roller is the double-deck bearing of hollow-core construction, is related to a kind of double-deck taper roll bearing, in taper roller A（5）Two bottom surfaces between be equipped with perforation cylindrical cavity（20）, in cavity（20）Sidewall spacers equidistantly be equipped with eight straight slots（21）, in cavity（20）Inside it is socketed with supporter（23）, taper roller B（15）For with taper roller A（5）Identical structure；The utility model by setting cavity respectively in taper roller A and taper roller B, and supporter is set respectively in two cavitys, the annular groove A and annular groove B set respectively in outer ring inner wall and centre circle inner wall is after embedded oil suction ring A and oil suction ring B, when efficiently solving the utility model operation taper roller A and taper roller B to machine inside get rid of oil the drawbacks of, the purpose of rotating speed and stability can effectively be improved by realizing the utility model bilayer bearing when being used in robot or host.

Description

A kind of taper roller is the double-deck bearing of hollow-core construction

【Technical field】

The utility model is related to a kind of double-deck taper roll bearings, are hollow-core construction more particularly, to a kind of taper roller Double-deck bearing.

【Background technology】

Bearing is a kind of important spare part in contemporary mechanical equipment, its major function is the mechanical rotary body of support, is dropped Coefficient of friction in its low motion process, and ensure its rotating accuracy；The hosts bearing such as lathe is mainly used for the main shaft of lathe, machine The main shaft bearing of bed is the core that lathe is able to good operation, and the apolegamy of different bearings just determines the different load of machine tool chief axis Ability, running speed, rigidity, Wen Sheng and service life, the especially influence to rigidity and Wen Sheng are more notable, so should basis The requirement of lathe working characteristics reasonably configures main shaft bearing；Existing main shaft bearing is generally taper roll bearing, circular cone rolling Sub- bearing is mainly used for bearing radial direction based on radial load and axial connected load, double-deck taper roll bearing can be in axis The higher rotating speed of dynamic middle offer and fluency are forwarded, in use, taper roller is inside and outside bearing for taper roll bearing It is rolled between circle, the both ends of taper roller are by retainer /V, since taper roller individual is larger, and due to taper roller one As for metal material, so the dead weight of taper roller in itself is also larger, taper roll bearing is in operation process by taper roller Excessive, overweight influence can not realize the steady operating under higher rotation speed state.

【The content of the invention】

In order to overcome the shortcomings of in background technology, the utility model discloses the double-deck axis that a kind of taper roller is hollow-core construction It holds, by setting cavity respectively in taper roller A and taper roller B, and supporter is set respectively in two cavitys, effectively The weight of taper roller A and taper roller B are alleviated, enhances the carrying after taper roller A and taper roller B are set to hollow Power, the annular groove A and annular groove B that inner wall and centre circle inner wall are set respectively in outer ring are in embedded oil suction ring A and oil suction ring B Afterwards, efficiently solve the utility model operation when taper roller A and taper roller B to machine inside get rid of oil the drawbacks of, realize The utility model bilayer bearing when being used in robot or host can effectively improve the purpose of rotating speed and stability.

In order to realize the goal of the invention, the utility model adopts the following technical solution：

A kind of taper roller is the double-deck bearing of hollow-core construction, including outer ring, taper roller A, retainer A, inner ring, holding Frame B, taper roller B and centre circle, the outer ring inner wall of outer ring expand neck opposite side necking down for one side, and in outer ring, the expansion neck one side of inner wall is set There is annular groove A, be embedded with oil suction ring A in annular groove A, the middle ring outer wall of centre circle expands neck opposite side necking down for one side, in The expansion neck one side of ring outer wall is equipped with annular protrusion A, annular protrusion B is equipped in the necking down one side of middle ring outer wall, in the centre circle of centre circle Wall expands neck opposite side necking down for one side, is equipped with annular groove B in the expansion neck one side of centre circle inner wall, suction is embedded in annular groove B Oil ring B, the interior ring outer wall of inner ring expand neck opposite side necking down for one side, and annular protrusion D is equipped in the expansion neck one side of interior ring outer wall, The necking down one side of interior ring outer wall is equipped with annular protrusion C, and taper roller A expands neck opposite side necking down for one side, the two of taper roller A The cylindrical cavity of perforation is equipped between bottom surface, eight straight slots is equidistantly equipped in the sidewall spacers of cavity, is socketed in the cavity Supporter, supporter includes cylinder and M shape supports, and M shape support is socketed in cylinder and is divided into the inside of cylinder Eight identical chambers support eight corresponding positions of endpoint to be respectively equipped with prominent item on the outer wall of cylinder with M shape, The outer wall of cylinder and the side wall of cavity are in contact, and eight prominent items are respectively placed in eight straight slots, and taper roller B is and circular cone rolls The identical structure of sub- A, is also socketed with supporter in taper roller B, is pressed multiple spaced taper roller A by retainer A It is located at the expansion neck one side of middle ring outer wall according to the expansion neck one side of multiple taper roller A and is limited to the annular protrusion A and ring of middle ring outer wall Between shape protrusion B, multiple spaced taper roller B are located at according to the expansion neck one side of multiple taper roller B by retainer B The expansion neck one side of interior ring outer wall is limited between the annular protrusion D of interior ring outer wall and annular protrusion C, and the outer ring inner wall sleeve of outer ring exists The outside of multiple spaced taper roller A, the centre circle inner wall sleeve of centre circle is in the outer of multiple spaced taper roller B Portion.

The taper roller is the double-deck bearing of hollow-core construction, and the outer ring outer wall of outer ring is ring plain structure.

The taper roller is the double-deck bearing of hollow-core construction, between the outer ring outer wall of outer ring and the both ends of the surface of outer ring It is arranged to chamfered transition.

The taper roller is the double-deck bearing of hollow-core construction, and the inner ring inner wall of inner ring is ring plain structure.

The taper roller is the double-deck bearing of hollow-core construction, between the inner ring inner wall of inner ring and the both ends of the surface of inner ring It is arranged to chamfered transition.

The taper roller is the double-deck bearing of hollow-core construction, and prominent item and straight slot are interference fit.

By adopting the above-described technical solution, the utility model has the advantages that：

Taper roller described in the utility model is the double-deck bearing of hollow-core construction, by being rolled in taper roller A and circular cone Cavity in sub- B is set respectively, and supporter is set respectively in two cavitys, effectively alleviates taper roller A and taper roller B Weight, enhance the bearing capacity after taper roller A and taper roller B are set to hollow, inner wall and centre circle inner wall point in outer ring The annular groove A and annular groove B not set efficiently solve the utility model fortune after embedded oil suction ring A and oil suction ring B During row taper roller A and taper roller B to machine inside get rid of oil the drawbacks of, realize the utility model in robot or host Bilayer bearing can effectively improve the purpose of rotating speed and stability during use；The utility model unique, practicability novel in design By force, it is energy-saving, there is very big market popularization value.

【Description of the drawings】

Fig. 1 is the structure diagram of the utility model；

Fig. 2 is the outer ring structure schematic diagram of the utility model；

Fig. 3 is the centre circle structure diagram of the utility model；

Fig. 4 is the inner ring structure schematic diagram of the utility model；

Fig. 5 is the taper roller of the utility model and supporter fit structure schematic diagram；

Fig. 6 is the taper roller structure diagram of the utility model；

Fig. 7 is the supporting body structure schematic diagram of the utility model.

In figure：1st, outer ring；2nd, annular groove A；3rd, oil suction ring A；4th, outer ring inner wall；5th, taper roller A；6th, retainer A；7、 Annular protrusion A；8th, middle ring outer wall；9th, annular protrusion B；10th, annular protrusion C；11st, interior ring outer wall；12nd, inner ring；13rd, annular protrusion D；14th, retainer B；15th, taper roller B；16th, centre circle inner wall；17th, oil suction ring B；18th, annular groove B；19th, centre circle；20th, chamber Body；21st, straight slot；22nd, cylinder；23rd, supporter；24th, M shape supports；25th, chamber；26th, prominent item.

【Specific embodiment】

The utility model can be explained in more detail by the following examples, the utility model is not limited to following Embodiment, open the purpose of this utility model are intended to all changes and improvements in protection the scope of the utility model；

Taper roller with reference to described in attached drawing 1~7 is the double-deck bearing of hollow-core construction, including outer ring 1, taper roller A5, Retainer A6, inner ring 12, retainer B14, taper roller B15 and centre circle 19, the outer ring inner wall 4 of outer ring 1 are another for one side expansion neck Side necking down, in outer ring, the expansion neck one side of inner wall 4 is equipped with annular groove A2, and oil suction ring A3 is embedded in annular groove A2, outer ring 1 Outer ring outer wall is ring plain structure, and chamfered transition is arranged between the outer ring outer wall of outer ring 1 and the both ends of the surface of outer ring 1, in The middle ring outer wall 8 of circle 19 expands neck opposite side necking down for one side, annular protrusion A7 is equipped in the expansion neck one side of middle ring outer wall 8, in The necking down one side of ring outer wall 8 is equipped with annular protrusion B9, and the centre circle inner wall 16 of centre circle 19 expands neck opposite side necking down for one side, in centre circle The expansion neck one side of inner wall 16 is equipped with annular groove B18, and oil suction ring B17, the interior ring outer wall of inner ring 12 are embedded in annular groove B18 11 expand neck opposite side necking down for one side, annular protrusion D13 are equipped in the expansion neck one side of interior ring outer wall 11, in the contracting of interior ring outer wall 11 Neck one side is equipped with annular protrusion C10, and the inner ring inner wall of inner ring 12 is ring plain structure, in the inner ring inner wall and inner ring of inner ring 12 Chamfered transition is arranged between 12 both ends of the surface, taper roller A5 expands neck opposite side necking down for one side, the two of taper roller A5 The cylindrical cavity 20 of perforation is equipped between bottom surface, eight straight slots 21 are equidistantly equipped in the sidewall spacers of cavity 20, in cavity 20 Supporter 23 is inside socketed with, supporter 23 includes cylinder 22 and M shape support 24, and M shape support 24 is socketed in cylinder 22 And the inside of cylinder 22 is divided into eight identical chambers 25,24 8 endpoints are supported with M shape on the outer wall of cylinder 22 Corresponding position is respectively equipped with prominent item 26, and the outer wall of cylinder 22 and the side wall of cavity 20 are in contact, and eight prominent items 26 divide It is not placed in eight straight slots 21, prominent item 26 and straight slot 21 are interference fit, and taper roller B15 is knot identical with taper roller A5 Structure is also socketed with supporter 23 in taper roller B15, by retainer A6 by multiple spaced taper roller A5 according to more The expansion neck one side that the expansion neck one side of a taper roller A5 is located at middle ring outer wall 8 is limited to the annular protrusion A7 and ring of middle ring outer wall 8 Between shape protrusion B9, by retainer B14 by multiple spaced taper roller B15 according to the expansion neck of multiple taper roller B15 The expansion neck one side that one side is located at interior ring outer wall 11 is limited between the annular protrusion D13 of interior ring outer wall 11 and annular protrusion C10, outside The outer ring inner wall 4 of circle 1 is sleeved on the outside of multiple spaced taper roller A5, and the centre circle inner wall 16 of centre circle 19 is sleeved on multiple Every the outside of the taper roller B15 of arrangement.

Implement the double-deck bearing that taper roller described in the utility model is hollow-core construction, in use, in inner ring 12 A small amount of bearing oil is smeared on ring outer wall 11, retainer B14 is placed on inner ring 12, is then equipped on retainer B14 Matched taper roller B15 is respectively put into multiple taper roller slots, puts on centre circle 19, in the middle ring outer wall of centre circle 19 A small amount of bearing oil is smeared on 8, retainer A6 is placed on centre circle 19, the multiple circular cones rolling being then equipped on retainer A6 Matched taper roller A5 is respectively put into pilot trench, puts on outer ring 1；The utility model is in high-speed cruising, it is necessary to hold By from pressure axially and radially, in order to improve the running speed of the utility model and in taper roller A5 and taper roller After cavity 20 is set respectively in B15, in order to ensure taper roller A5 and taper roller the B15 not compressive deformation in operation process, Supporter 23 is set respectively in two cavitys 20, not only effectively alleviates the weight of taper roller A5 and taper roller B15, and And enhance the bearing capacity of taper roller A5 and taper roller B15 after being arranged to hollow；The utility model in operation, inside The bearing oil smeared on ring outer wall 11 can attach on centre circle inner wall 16 with the rotation of taper roller B15 and along centre circle inner wall 16 flow to the expansion neck end of centre circle inner wall 16, and most bearing oil is got rid of to machine inside at last, is set at the expansion neck end of centre circle inner wall 16 The annular groove B18 put, can be effectively by the expansion neck along centre circle inner wall 16 to centre circle inner wall 16 after embedded oil suction ring B17 The bearing oil absorption of end flowing, the bearing oil smeared on middle ring outer wall 8 can be attached with the rotation of taper roller A5 in outer ring It is flowed to the expansion neck end of outer ring inner wall 4 on inner wall 4 and along outer ring inner wall 4, and most bearing oil is got rid of to machine inside at last, outside That encloses inner wall 4 expands annular groove A2 that neck end is set after embedded oil suction ring A3, can effectively will be outside along outer ring inner wall 4 The bearing oil absorption for expanding the flowing of neck end of inner wall 4 is enclosed, the utility model is avoided and operationally gets rid of bearing oil to machine inside Drawback.

The non-detailed portion of the utility model is the prior art.

Claims

1. a kind of taper roller is the double-deck bearing of hollow-core construction, including outer ring（1）, taper roller A（5）, retainer A（6）, it is interior Circle（12）, retainer B（14）, taper roller B（15）And centre circle（19）, it is characterized in that：Outer ring（1）Outer ring inner wall（4）For one Neck opposite side necking down is expanded in side, in outer ring inner wall（4）Expansion neck one side be equipped with annular groove A（2）, in annular groove A（2）It is embedded with Oil suction ring A（3）, centre circle（19）Middle ring outer wall（8）Expand neck opposite side necking down for one side, in middle ring outer wall（8）Expansion neck one side Equipped with annular protrusion A（7）, in middle ring outer wall（8）Necking down one side be equipped with annular protrusion B（9）, centre circle（19）Centre circle inner wall （16）Expand neck opposite side necking down for one side, in centre circle inner wall（16）Expansion neck one side be equipped with annular groove B（18）, in annular groove B（18）It is embedded with oil suction ring B（17）, inner ring（12）Interior ring outer wall（11）Expand neck opposite side necking down for one side, in interior ring outer wall （11）Expansion neck one side be equipped with annular protrusion D（13）, in interior ring outer wall（11）Necking down one side be equipped with annular protrusion C（10）, circle Bore roller A（5）Expand neck opposite side necking down for one side, in taper roller A（5）Two bottom surfaces between be equipped with perforation cylindrical cavity （20）, in cavity（20）Sidewall spacers equidistantly be equipped with eight straight slots（21）, in cavity（20）Inside it is socketed with supporter（23）, branch Support body（23）Including cylinder（22）It is supported with M shape（24）, M shape support（24）It is socketed in cylinder（22）It is interior and by cylinder （22）Inside be divided into eight identical chambers（25）, in cylinder（22）Outer wall on M shape support（24）Eight endpoints Corresponding position is respectively equipped with prominent item（26）, cylinder（22）Outer wall and cavity（20）Side wall be in contact, eight protrusions Item（26）It is respectively placed in eight straight slots（21）It is interior, taper roller B（15）For with taper roller A（5）Identical structure, in taper roller B（15）Inside also it is socketed with supporter（23）, by retainer A（6）By multiple spaced taper roller A（5）According to multiple circles Bore roller A（5）Expansion neck one side be located at middle ring outer wall（8）Expansion neck one side be limited to middle ring outer wall（8）Annular protrusion A（7） With annular protrusion B（9）Between, by retainer B（14）By multiple spaced taper roller B（15）According to multiple taper rollers B（15）Expansion neck one side be located at interior ring outer wall（11）Expansion neck one side be limited to interior ring outer wall（11）Annular protrusion D（13）With Annular protrusion C（10）Between, outer ring（1）Outer ring inner wall（4）It is sleeved on multiple spaced taper roller A（5）Outside, in Circle（19）Centre circle inner wall（16）It is sleeved on multiple spaced taper roller B（15）Outside.

2. taper roller according to claim 1 is the double-deck bearing of hollow-core construction, it is characterized in that：Outer ring（1）Outer ring Outer wall is ring plain structure.

3. taper roller according to claim 2 is the double-deck bearing of hollow-core construction, it is characterized in that：In outer ring（1）It is outer Ring outer wall and outer ring（1）Both ends of the surface between be arranged to chamfered transition.

4. taper roller according to claim 1 is the double-deck bearing of hollow-core construction, it is characterized in that：Inner ring（12）Inner ring Inner wall is ring plain structure.

5. taper roller according to claim 4 is the double-deck bearing of hollow-core construction, it is characterized in that：In inner ring（12）It is interior Enclose inner wall and inner ring（12）Both ends of the surface between be arranged to chamfered transition.

6. taper roller according to claim 1 is the double-deck bearing of hollow-core construction, it is characterized in that：Prominent item（26）With it is logical Slot（21）For interference fit.