CN209850501U

CN209850501U - Bearing inner race excircle grinding frock

Info

Publication number: CN209850501U
Application number: CN201920714284.9U
Authority: CN
Inventors: 王海涛
Original assignee: Linqing Yulian Bearing Technology Co Ltd
Current assignee: Linqing Yulian Bearing Technology Co Ltd
Priority date: 2019-05-18
Filing date: 2019-05-18
Publication date: 2019-12-27
Anticipated expiration: 2029-05-18

Abstract

The utility model discloses a bearing inner race excircle grinding frock, comprising a base plate, the top of bottom plate is equipped with the fixed station, the fixed station passes through elevating system with the bottom plate and is connected, the cavity has been seted up in the fixed station, the top of fixed station is equipped with the first threaded rod that runs through to the cavity in, the top of first threaded rod is connected with the rotatory piece that is located the fixed station top, the outside cover of first threaded rod is equipped with the first stop nut that is located between rotatory piece and the fixed station, the bottom of first threaded rod is equipped with the four arriss platform that is located the cavity, the outside of fixed station is equipped with a plurality of evenly distributed's first through-hole, first through-hole is linked together with the cavity. The utility model discloses a bearing inner race excircle grinding frock, this design easy operation, reasonable in design prevents that the bearing inner race from being extruded in the clamping process and being out of shape, has guaranteed the steadiness of centre gripping simultaneously, prevents that the bearing inner race from droing to and can highly adjust about the good bearing inner race of centre gripping, make things convenient for the grinding, improve work efficiency.

Description

Bearing inner race excircle grinding frock

Technical Field

The utility model relates to a bearing processing technology field, in particular to bearing inner race excircle grinding frock.

Background

The bearing is an important part in modern mechanical equipment, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the motion process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a bearing inner race excircle grinding frock, can effectively solve present centre gripping fixing device structure complicacy among the background art, it is with high costs, simple structure's clamping device can't press from both sides tight to the bearing inner race, causes the bearing inner race to drop easily, influences grinding work, moreover according to on-the-spot grinding needs, also can't adjust the height of centre gripping, partial clamping device centre gripping dynamics is too big simultaneously, leads to the bearing inner race to warp easily, and then has influenced the problem of bearing inner race quality.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a bearing inner ring outer circle grinding tool comprises a bottom plate, a fixed table is arranged above the bottom plate, the fixed table is connected with the bottom plate through a lifting mechanism, a cavity is formed in the fixed table, a first threaded rod penetrating into the cavity is arranged at the top end of the fixed table, the top end of the first threaded rod is connected with a rotating block located above the fixed table, a first limiting nut located between the rotating block and the fixed table is sleeved outside the first threaded rod, a quadrangular frustum located in the cavity is arranged at the bottom end of the first threaded rod, a plurality of first through holes distributed uniformly are arranged on the outer side of the fixed table and communicated with the cavity, a sliding rod penetrates through the first through holes, a sliding sleeve is arranged on the inner side wall of each first through hole, the sliding rod is connected with the sliding sleeve in a sliding manner, an arc-shaped clamping plate located outside the fixed table is arranged at one end of the sliding rod, the arc-shaped clamping plate is connected with the sliding rod through a buffer mechanism, a rubber layer is arranged on one side, away from the sliding rod, of the arc-shaped clamping plate, and a sliding block matched with the inclined plane of the quadrangular frustum is arranged at the other end of the sliding rod.

Preferably, elevating system including set up in the box on bottom plate top, the top of box is equipped with movable post, the top of activity post with the bottom of fixed station is connected, the bottom of activity post extends to in the box cavity, just one side of activity post is equipped with a plurality of second through-holes that distribute in proper order, one of them run through in the second through-hole and be equipped with the second threaded rod, the both ends of second threaded rod are run through respectively the top both sides of box, the outside cover in both ends of second threaded rod is equipped with respectively and is located outside second stop nut and the third stop nut of box.

Preferably, the buffer mechanism comprises a fixed plate arranged at one end of the sliding rod, two ends of one side of the fixed plate are respectively provided with a limiting rod in a penetrating mode, one end of the limiting rod is connected with the arc-shaped clamping plate, the other end of the limiting rod is connected with a limiting block located at one side, close to the fixed plate, of the sliding rod, and the fixed plate is connected with the arc-shaped clamping plate through a plurality of compression springs.

Preferably, the number of the first through holes is four.

Preferably, the first threaded rod is connected with the fixed table in a threaded manner.

Compared with the prior art, the utility model discloses following beneficial effect has: the inner side of the bearing inner ring is clamped by the matching action of the first threaded rod, the quadrangular frustum pyramid, the sliding rod and the arc-shaped clamping plate, the friction force between the inner side of the bearing inner ring and the arc-shaped clamping plate is increased by the arranged rubber layer, the clamping is stable, the clamping stability is ensured by the arranged first limiting nut, the bearing inner ring is prevented from falling off, the deformation of the bearing inner ring caused by overlarge clamping force is avoided by the arranged buffer mechanism, the vertical height of the clamped bearing inner ring can be adjusted by the arranged lifting mechanism, the design operation is simple, the design is reasonable, the bearing inner ring is prevented from being extruded and deformed in the clamping process, the clamping stability is ensured, the bearing inner ring is prevented from falling off, the vertical height of the clamped bearing inner ring can be adjusted, and the grinding is convenient, the working efficiency is improved.

Drawings

Fig. 1 is a schematic view of the overall structure of the bearing inner race outer circle grinding tool of the present invention;

fig. 2 is a schematic view of a top view structure of the bearing inner race outer circle grinding tool of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is the utility model relates to a bearing inner race excircle grinding frock quadrangular frustum of prism's structural schematic diagram.

In the figure: 1. a base plate; 2. a fixed table; 3. a lifting mechanism; 4. a cavity; 5. a first threaded rod; 6. rotating the block; 7. a first limit nut; 8. a quadrangular frustum pyramid; 9. a first through hole; 10. a slide bar; 11. a sliding sleeve; 12. a slider; 13. a buffer mechanism; 14. a box body; 15. a movable post; 16. a second through hole; 17. a second threaded rod; 18. a second limit nut; 19. a third limit nut; 20. a fixing plate; 21. an arc-shaped clamping plate; 22. a limiting rod; 23. a limiting block; 24. a compression spring; 25. a rubber layer.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in figures 1-4, a bearing inner ring outer circle grinding tool comprises a bottom plate 1, a fixed platform 2 is arranged above the bottom plate 1, the fixed platform 2 is connected with the bottom plate 1 through a lifting mechanism 3, a cavity 4 is formed in the fixed platform 2, a first threaded rod 5 penetrating into the cavity 4 is arranged at the top end of the fixed platform 2, the top end of the first threaded rod 5 is connected with a rotating block 6 positioned above the fixed platform 2, a first limit nut 7 positioned between the rotating block 6 and the fixed platform 2 is sleeved outside the first threaded rod 5, a quadrangular frustum 8 positioned in the cavity 4 is arranged at the bottom end of the first threaded rod 5, a plurality of uniformly distributed first through holes 9 are arranged outside the fixed platform 2, the first through holes 9 are communicated with the cavity 4, a sliding rod 10 penetrates through the first through holes 9, a sliding sleeve 11 is arranged on the inner side wall of the first through holes 9, the sliding rod 10 is in sliding connection with the sliding sleeve 11, an arc-shaped clamping plate 21 positioned outside the fixed platform 2 is, the arc-shaped clamping plate 21 is connected with the sliding rod 10 through a buffer mechanism 13, one side of the arc-shaped clamping plate 21, which is far away from the sliding rod 10, is provided with a rubber layer 25, and the other end of the sliding rod 10 is provided with a sliding block 12 matched with the inclined plane of the quadrangular frustum 8;

the lifting mechanism 3 comprises a box body 14 arranged at the top end of the bottom plate 1, a movable column 15 is arranged at the top end of the box body 14, the top end of the movable column 15 is connected with the bottom end of the fixed table 2, the bottom end of the movable column 15 extends into a cavity of the box body 14, a plurality of second through holes 16 distributed in sequence are formed in one side of the movable column 15, a second threaded rod 17 penetrates through one second through hole 16, two ends of the second threaded rod 17 penetrate through two sides of the top of the box body 14 respectively, and a second limiting nut 18 and a third limiting nut 19 which are located outside the box body 14 are sleeved outside two ends of the second threaded rod 17 respectively; the buffer mechanism 13 comprises a fixed plate 20 arranged at one end of the slide bar 10, two ends of one side of the fixed plate 20 are respectively provided with a limiting rod 22 in a penetrating way, one end of the limiting rod 22 is connected with an arc-shaped clamping plate 21, the other end of the limiting rod 22 is connected with a limiting block 23 positioned at one side of the fixed plate 20 close to the slide bar 10, and the fixed plate 20 is connected with the arc-shaped clamping plate 21 through a plurality of compression springs 24; the number of the first through holes 9 is four; the first threaded rod 5 is connected with the fixed platform 2 in a threaded manner.

It should be noted that, the utility model relates to a bearing inner race outer circle grinding tool, when in use, the bearing inner race is placed on the outer side of the arc-shaped clamping plate 21, and then the rotating block 6 is rotated, and then the first threaded rod 5 drives the quadrangular frustum 8 to rise, and then the slide block 12 drives the slide bar 10 to move towards the bearing inner race, and then the arc-shaped clamping plate 21 contacts the inner side of the bearing inner race, and then the rotating block 6 is continuously rotated, and then the distance between the fixing plate 20 and the arc-shaped clamping plate 21 is drawn close, and then the compression spring 24 is in a compression state, and then the compression spring 24 applies a force towards the bearing inner race to the arc-shaped clamping plate 21, so that the bearing inner race is buffered by the force, the deformation of the bearing inner race caused by the overlarge clamping force is avoided, after the bearing inner race is clamped, the first limiting nut 7 is fastened, and then the first limiting nut, prevent at the in-process of grinding, external force causes first threaded rod 5 to rock, and then influence the steadiness of centre gripping, simultaneously through rubber layer 25, increase the inboard frictional force of arc cardboard 21 and bearing inner race, and then make the centre gripping become more firm, adjust the length of activity post 15 in box 14 as required simultaneously, and then second threaded rod 17 runs through box 14 and one of them corresponding second through-hole 16, and then fastens second stop nut 18 and third stop nut 19, and then spacing activity post 15, keep the height of adjusting.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a bearing inner race cylindrical grinding frock which characterized in that: comprises a bottom plate (1), a fixed platform (2) is arranged above the bottom plate (1), the fixed platform (2) is connected with the bottom plate (1) through a lifting mechanism (3), a cavity (4) is formed in the fixed platform (2), a first threaded rod (5) penetrating into the cavity (4) is arranged at the top end of the fixed platform (2), the top end of the first threaded rod (5) is connected with a rotating block (6) positioned above the fixed platform (2), a first limit nut (7) positioned between the rotating block (6) and the fixed platform (2) is sleeved outside the first threaded rod (5), a four-edge platform (8) positioned in the cavity (4) is arranged at the bottom end of the first threaded rod (5), a plurality of uniformly distributed first through holes (9) are arranged at the outer side of the fixed platform (2), the first through holes (9) are communicated with the cavity (4), run through in first through-hole (9) and be equipped with slide bar (10), be equipped with sliding sleeve (11) on first through-hole (9) inside wall, slide bar (10) with sliding sleeve (11) sliding connection, the one end of slide bar (10) is equipped with and is located fixed station (2) outside arc cardboard (21), arc cardboard (21) with slide bar (10) are connected through buffer gear (13), arc cardboard (21) are kept away from one side of slide bar (10) is equipped with rubber layer (25), the other end of slide bar (10) be equipped with four arris platform (8) inclined plane matched with slider (12).

2. The bearing inner race cylindrical grinding frock of claim 1, characterized in that: elevating system (3) including set up in box (14) on bottom plate (1) top, the top of box (14) is equipped with movable post (15), the top of activity post (15) with the bottom of fixed station (2) is connected, the bottom of activity post (15) extends to in box (14) cavity, just one side of activity post (15) is equipped with a plurality of second through-holes (16) that distribute in proper order, one of them run through in second through-hole (16) and be equipped with second threaded rod (17), the both ends of second threaded rod (17) are run through respectively the top both sides of box (14), the outside cover in both ends of second threaded rod (17) is equipped with respectively and is located box (14) outside second stop nut (18) and third stop nut (19).

3. The bearing inner race cylindrical grinding frock of claim 1, characterized in that: buffer gear (13) including set up in fixed plate (20) of slide bar (10) one end, one side both ends of fixed plate (20) are run through respectively and are equipped with gag lever post (22), the one end of gag lever post (22) with arc cardboard (21) are connected, the other end of gag lever post (22) with be located fixed plate (20) are close to stopper (23) of slide bar (10) one side are connected, fixed plate (20) with arc cardboard (21) are connected through a plurality of compression spring (24).

4. The bearing inner race cylindrical grinding frock of claim 1, characterized in that: the number of the first through holes (9) is four.

5. The bearing inner race cylindrical grinding frock of claim 1, characterized in that: the first threaded rod (5) is connected with the fixed platform (2) in a threaded manner.