CN207454539U - A kind of taper roller is the bearing of hollow-core construction - Google Patents

Abstract

A kind of taper roller is the bearing of hollow-core construction, is related to a kind of taper roll bearing, in taper roller（5）Two bottom surfaces between be equipped with perforation cylindrical cavity（11）, in cavity（11）Inside it is socketed with supporter（14）, by retainer（6）By multiple spaced taper rollers（5）According to multiple taper rollers（5）Expansion neck one side be located at interior ring outer wall（8）Expansion neck one side be limited to interior ring outer wall（8）Annular protrusion A（7）With annular protrusion B（10）Between；The utility model in taper roller by setting cavity, and supporter is set in the cavity, effectively alleviate the weight of taper roller, enhance the bearing capacity after taper roller is set to hollow, the annular groove set in outer ring inner wall is after embedded oil suction ring, when efficiently solving the utility model operation taper roller to machine inside get rid of oil the drawbacks of, realize the utility model high-speed smooth and purpose of long-life when being used in robot or host.

Description

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

【Technical field】

The utility model is related to a kind of taper roll bearing, more particularly, to the axis that a kind of taper roller is hollow-core construction It holds.

【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, taper roll bearing are using process In, taper roller rolls between the Internal and external cycle of bearing, and the both ends of taper roller are by retainer /V, due to taper roller Body is larger, but since taper roller is generally metal material, so the dead weight of taper roller in itself is also larger, taper roll bearing In operation process by taper roller it is excessive, it is overweight influenced, 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 bearing that a kind of taper roller is hollow-core construction, By setting cavity in taper roller, and supporter is set in the cavity, effectively alleviates the weight of taper roller, is enhanced Bearing capacity after taper roller is set to hollow, the annular groove set in outer ring inner wall is after embedded oil suction ring, effectively When solving the utility model operation taper roller to machine inside get rid of oil the drawbacks of, realize the utility model in robot or High-speed smooth and the purpose of long-life when being used on host.

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

A kind of taper roller is the bearing of hollow-core construction, including outer ring, taper roller, retainer and inner ring, outer ring it is outer It encloses inner wall and expands neck opposite side necking down for one side, the expansion neck one side of inner wall is equipped with annular groove in outer ring, is embedded in annular groove Oil suction ring, the interior ring outer wall of inner ring expand neck opposite side necking down for one side, and annular protrusion A is equipped in the expansion neck one side of interior ring outer wall, Annular protrusion B is equipped in the necking down one side of interior ring outer wall, taper roller expands neck opposite side necking down for one side, the two of taper roller 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 include circle and M shape support, and M shape support is socketed in cylinder and the inside of cylinder is divided into eight A identical chamber supports eight corresponding positions of endpoint to be respectively equipped with prominent item on the outer wall of cylinder with M shape, circle 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, are arranged multiple intervals by retainer The expansion neck one side that the taper roller of row is located at interior ring outer wall according to the expansion neck one side of multiple taper rollers is limited to interior ring outer wall Between annular protrusion A and annular protrusion B, the outer ring inner wall sleeve of outer ring is in the outside of multiple spaced taper rollers.

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

The taper roller is the bearing of hollow-core construction, is set between the outer ring outer wall of outer ring and the both ends of the surface of outer ring For chamfered transition.

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

The taper roller is the bearing of hollow-core construction, is set between the inner ring inner wall of inner ring and the both ends of the surface of inner ring For chamfered transition.

The taper roller is the 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 bearing of hollow-core construction, by setting cavity in taper roller, and Supporter is set in the cavity, effectively alleviates the weight of taper roller, enhances holding after taper roller is set to hollow Power is carried, the annular groove set in outer ring inner wall is after embedded oil suction ring, circular cone when efficiently solving the utility model operation Roller to machine inside get rid of oil the drawbacks of, realize the utility model high-speed smooth and longevity when being used in robot or host The purpose of life；The utility model is novel in design unique, highly practical, 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 inner ring structure schematic diagram of the utility model；

Fig. 4 is the taper roller of the utility model and supporter fit structure schematic diagram；

Fig. 5 is the taper roller structure diagram of the utility model；

Fig. 6 is the supporting body structure schematic diagram of the utility model.

In figure：1st, outer ring；2nd, annular groove；3rd, oil suction ring；4th, outer ring inner wall；5th, taper roller；6th, retainer；7th, it is annular Raised A；8th, interior ring outer wall；9th, inner ring；10th, annular protrusion B；11st, cavity；12nd, straight slot；13rd, cylinder；14th, supporter；15th, rice Font supports；16th, chamber；17th, 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 1~6 is the bearing of hollow-core construction, including outer ring 1, taper roller 5, retainer 6 and inner ring 9, the outer ring inner wall 4 of outer ring 1 expands neck opposite side necking down for one side, and in outer ring, it is recessed to be equipped with annular for the expansion neck one side of inner wall 4 Slot 2 is embedded with oil suction ring 3 in annular groove 2, and the outer ring outer wall of outer ring 1 is ring plain structure, the outer ring outer wall in outer ring 1 Chamfered transition is arranged between the both ends of the surface of outer ring 1, the interior ring outer wall 8 of inner ring 9 expands neck opposite side necking down for one side, in inner ring The expansion neck one side of outer wall 8 be equipped with annular protrusion A7, the necking down one side of interior ring outer wall 8 be equipped with annular protrusion B10, inner ring 9 it is interior Circle inner wall is ring plain structure, and chamfered transition, circular cone are arranged between the inner ring inner wall of inner ring 9 and the both ends of the surface of inner ring 9 Roller 5 expands neck opposite side necking down for one side, the cylindrical cavity 11 of perforation is equipped between two bottom surfaces of taper roller 5, in chamber The sidewall spacers of body 11 are equidistantly equipped with eight straight slots 12, and supporter 14 is socketed in cavity 11, and supporter 14 includes cylinder 13 With M shape support 15, M shape support 15 is socketed in cylinder 13 and the inside of cylinder 13 is divided into eight identical chambers 16, with M shape 15 8 corresponding positions of endpoint is supported to be respectively equipped with prominent item 17, cylinder 13 on the outer wall of cylinder 13 Outer wall and the side wall of cavity 11 be in contact, eight prominent items 17 are respectively placed in eight straight slots 12, prominent item 17 and straight slot 12 For interference fit, multiple spaced taper rollers 5 are located at according to the expansion neck one side of multiple taper rollers 5 by retainer 6 The expansion neck one side of interior ring outer wall 8 is limited between the annular protrusion A7 of interior ring outer wall 8 and annular protrusion B10, in the outer ring of outer ring 1 Wall 4 is sleeved on the outside of multiple spaced taper rollers 5.

Implement the bearing that taper roller described in the utility model is hollow-core construction, in use, in the interior ring outer wall of inner ring 9 A small amount of bearing oil is smeared on 8, retainer 6 is placed on inner ring 9, the multiple taper rollers being then equipped on retainer 6 Matched taper roller 5 is respectively put into slot, puts on outer ring 1；The utility model is in high-speed cruising, it is necessary to bear to come From pressure axially and radially, after cavity 11 is set in taper roller 5 in order to improve the running speed of the utility model, it is The not compressive deformation in operation process of guarantee taper roller 5, supporter 14 is set in cavity 11, is not only effectively alleviated The weight of taper roller 5, and enhance bearing capacity of the taper roller 5 after being arranged to hollow；It is smeared on interior ring outer wall 8 Bearing oil can attach on outer ring inner wall 4 and along outer ring inner wall 4 to the expansion neck of outer ring inner wall 4 with the rotation of taper roller 5 End flowing, and most bearing oil is got rid of to machine inside at last, in outer ring, the annular groove 2 that neck end is set that expands of inner wall 4 is inhaled embedded After oil ring 3, it will effectively can be adsorbed along outer ring inner wall 4 to the bearing oil for expanding the flowing of neck end of outer ring inner wall 4, avoid this The drawbacks of utility model operationally gets rid of bearing oil to machine inside.

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

Claims (6)

1. a kind of taper roller is the bearing of hollow-core construction, including outer ring（1）, taper roller（5）, retainer（6）And inner ring （9）, it is characterized in that：Outer ring（1）Outer ring inner wall（4）Expand neck opposite side necking down for one side, in outer ring inner wall（4）Expansion neck one side Equipped with annular groove（2）, in annular groove（2）It is embedded with oil suction ring（3）, inner ring（9）Interior ring outer wall（8）It is another to expand neck for one side One side necking down, in interior ring outer wall（8）Expansion neck one side be equipped with annular protrusion A（7）, in interior ring outer wall（8）Necking down one side be equipped with Annular protrusion B（10）, taper roller（5）Expand neck opposite side necking down for one side, in taper roller（5）Two bottom surfaces between be equipped with pass through Logical cylindrical cavity（11）, in cavity（11）Sidewall spacers equidistantly be equipped with eight straight slots（12）, in cavity（11）Interior socket There is supporter（14）, supporter（14）Including cylinder（13）It is supported with M shape（15）, M shape support（15）It is socketed in cylinder （13）It is interior and by cylinder（13）Inside be divided into eight identical chambers（16）, in cylinder（13）Outer wall on M shape branch Support（15）Eight corresponding positions of endpoint are respectively equipped with prominent item（17）, cylinder（13）Outer wall and cavity（11）Side wall phase Contact, eight prominent items（17）It is respectively placed in eight straight slots（12）It is interior, by retainer（6）By multiple spaced taper rollers （5）According to multiple taper rollers（5）Expansion neck one side be located at interior ring outer wall（8）Expansion neck one side be limited to interior ring outer wall（8）'s Annular protrusion A（7）With annular protrusion B（10）Between, outer ring（1）Outer ring inner wall（4）It is sleeved on multiple spaced circular cone rollings Son（5）Outside.

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

3. taper roller according to claim 2 is the bearing of hollow-core construction, it is characterized in that：In outer ring（1）Outer ring outside 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 bearing of hollow-core construction, it is characterized in that：Inner ring（9）Inner ring inner wall For ring plain structure.

5. taper roller according to claim 4 is the bearing of hollow-core construction, it is characterized in that：In inner ring（9）Inner ring in Wall and inner ring（9）Both ends of the surface between be arranged to chamfered transition.

6. taper roller according to claim 1 is the bearing of hollow-core construction, it is characterized in that：Prominent item（17）And straight slot （12）For interference fit.