CN216127044U

CN216127044U - Thin-wall bearing polishes and uses positioning fixture

Info

Publication number: CN216127044U
Application number: CN202121486778.XU
Authority: CN
Inventors: 俞天翔; 任俊晔; 冯莹锋
Original assignee: Ningbo Zhuoda Bearing Co ltd
Current assignee: Ningbo Zhuoda Bearing Co ltd
Priority date: 2021-07-01
Filing date: 2021-07-01
Publication date: 2022-03-25
Anticipated expiration: 2031-07-01

Abstract

The utility model discloses a positioning fixture for polishing a thin-wall bearing, which aims to solve the technical problem that in the prior art, only the outer side of the bearing can be positioned, the inner part of the bearing can still rotate, and the inner part of the bearing cannot be positioned and fixed. The positioning fixture for polishing the thin-wall bearing comprises a bearing module, an inner positioning module, an outer positioning module, a first motor and a second motor, wherein the inner positioning module and the outer positioning module are distributed at the upper end of the bearing module in an equal distribution mode, the first motor is fixedly installed on the outer side of the bearing module, and the second motor is fixedly installed on the outer side of the bearing module and is located below the first motor. This thin wall bearing polishes and uses positioning fixture drives three outer orientation module of group and moves inwards through starting the second motor, and three outer orientation module of group are to the outside of thin wall bearing location processing to realized carrying out location processing simultaneously to the outside and the inboard of thin wall bearing, be convenient for fix a position the processing of polishing to the bearing.

Description

Thin-wall bearing polishes and uses positioning fixture

Technical Field

The utility model belongs to the technical field of bearing equipment, and particularly relates to a positioning fixture for polishing a thin-wall bearing.

Background

Nowadays, to the use and the universal popularization of bearing, the bearing can reduce the friction and conveniently rotates two adjacent parts, and the bearing divides into a plurality of kinds, and wherein thin wall bearing's frictional force is lower, and high rigidity has good gyration precision, uses more lightweight, adds man-hour to thin wall bearing, needs to fix a position the processing to thin wall bearing, specifically is a thin wall bearing and polishes the positioning fixture of usefulness.

At present, the utility model patent of patent number CN201820156057.4 discloses a thin wall bearing ring's car adds clamping apparatus for thin wall bearing ring's car adds, including tongs, anchor clamps, profile of tooth contact point, bearing workpiece, the anchor clamps opening, tongs fixed mounting is on bearing ring car adds clamping apparatus's frock, anchor clamps are equipped with the opening, profile of tooth contact point sets up around the anchor clamps inner wall, and the power that the tongs will conveys anchor clamps for anchor clamps shrink to make inside a plurality of profile of tooth contact point of anchor clamps can with the inseparable contact of bearing workpiece maximum area, a plurality of profile of tooth contact point on the anchor clamps is through the dispersion to the work piece clamp force, makes the circumference of bearing workpiece more accurate, has avoided bearing workpiece arris round or oval condition to appear in the course of working, has improved the precision of work piece. The fixture for the thin-wall bearing adopts the three clamping jaws to position the outer side of the thin-wall bearing, but the fixture for the thin-wall bearing can only position the outer side of the bearing, and the inner part of the fixture still rotates and cannot position and fix the inner part of the thin-wall bearing.

Therefore, in order to solve the problem that the thin-walled bearing cannot be positioned on the outer side and the inner side simultaneously during clamping, a use scene of the clamp needs to be improved.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

Aiming at the defects of the prior art, the utility model aims to provide a positioning clamp for polishing a thin-wall bearing, which aims to solve the technical problem that the prior art can only position the outer side of the bearing, and the inner part of the bearing can still rotate, so that the inner part of the thin-wall bearing cannot be positioned and fixed.

(2) Technical scheme

In order to solve the technical problem, the utility model provides a positioning fixture for polishing a thin-wall bearing, which comprises a bearing module, an inner positioning module and an outer positioning module which are equally distributed at the upper end of the bearing module, a first motor fixedly arranged at the outer side of the bearing module, and a second motor fixedly arranged at the outer side of the bearing module and positioned below the first motor; the inboard central point that bears the module puts fixed mounting with the pillar, interior location module is inside including interior splint, interior splint are located the upper end that bears the module, bear the upper end of module and seted up first spout, the bottom fixed mounting of interior splint has first slider, first spout with first slider sliding connection.

When the positioning fixture is used, the thin-wall bearing is placed in along the outer side of the inner positioning module, the inner positioning module is driven to slide outwards by starting the first motor, the inner sides of the thin-wall bearing are positioned by the three inner positioning modules, the three outer positioning modules are driven to move inwards by starting the second motor, and the outer positioning modules of the three outer positioning modules are positioned outside the thin-wall bearing, so that the outer side and the inner side of the thin-wall bearing are positioned simultaneously, and the bearing is positioned and polished conveniently.

Preferably, the inside of bearing the weight of the module is provided with first screw rod, the bottom fixed mounting of first slider has first lantern ring, first screw rod with first lantern ring lead screw is connected, the outside fixed mounting of first screw rod has first gear, is connected with first lantern ring lead screw through first screw rod and drives interior splint and outwards remove, carries out spacing processing through first spout and first slider sliding connection to interior splint, and interior splint outwards slides, carries out location processing through three interior orientation module of group to the inboard of thin wall bearing.

Furthermore, pillar bottom central point puts and is provided with rotatablely first pivot, the outside fixed mounting of first pivot has the second gear, the second gear with first gear engagement is connected, and first pivot drives the second gear and rotates, is connected through the engagement of second gear and first gear and drives first screw rod and rotate.

Still further, the outside fixed mounting of first pivot has the third gear, it is provided with rotatable second screw rod to bear the module inboard, the outside end of second screw rod with the output shaft interconnect of first motor, the outside fixed mounting of second screw rod has the fourth gear, the third gear with the fourth gear meshing is connected, drives the second screw rod through starting first motor and rotates, and the second screw rod drives the fourth gear and rotates, is connected through the meshing of fourth gear and third gear and drives first pivot and rotate.

Preferably, the inside of outer orientation module is including the outer splint, the outer splint is located bear the upper end of module, the second spout has been seted up to the upper end of bearing the module, the bottom fixed mounting of outer splint has the second slider, the second slider is located the inside of second spout carries out spacing processing through the sliding connection of second spout and second slider to the outer splint, and three outer splints of group carry out location processing to the outside of thin wall bearing.

Furthermore, bear the module inside and be provided with rotatory third screw rod, the bottom fixed mounting of second slider has the second lantern ring, the third screw rod with second lantern ring lead screw is connected, is connected with second lantern ring lead screw through the third screw rod and drives the outer splint and move inwards.

Furthermore, pillar bottom central point puts and is provided with vice rotation module, the output shaft of second motor is provided with main rotation module, the second motor rotates with vice rotation module through main rotation module and is connected, rotates through starting that the second motor drives main rotation module and rotates, and main rotation module drives the third screw rod through vice rotation module and rotates.

(3) Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that: the thin-wall bearing positioning fixture of the utility model is characterized in that a thin-wall bearing is placed along the outer side of an inner positioning module, a first motor is started to drive a second screw rod to rotate, the second screw rod drives a fourth gear to rotate, a first rotating shaft is driven to rotate through the meshing connection of the fourth gear and a third gear, the first rotating shaft drives a second gear to rotate, the first screw rod is driven to rotate through the meshing connection of the second gear and a first gear, an inner clamping plate is driven to move outwards through the connection of the first screw rod and a first annular screw rod, the inner clamping plate is limited through the sliding connection of a first sliding chute and a first sliding block, the inner clamping plate slides outwards, the inner sides of the thin-wall bearing are positioned through three groups of inner positioning modules, a main rotating module is driven to rotate through the second motor, the main rotating module drives a third screw rod to rotate through an auxiliary rotating module, and an outer clamping plate is driven to move inwards through the connection of the third screw rod and the second annular screw rod, the outer clamping plates are in limiting treatment through sliding connection of the second sliding grooves and the second sliding blocks, and the outer clamping plates of the three groups are used for positioning the outer side of the thin-wall bearing, so that the outer side and the inner side of the thin-wall bearing are positioned at the same time, and the bearing is positioned and polished conveniently.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, it is obvious that the drawings in the following description are only one embodiment of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic perspective view of one embodiment of a positioning fixture according to the present invention;

FIG. 2 is a schematic front sectional view of a positioning fixture according to an embodiment of the present invention;

FIG. 3 is a schematic side sectional view of a positioning fixture according to an embodiment of the present invention.

The labels in the figures are: 1. a carrier module; 2. an inner positioning module; 3. an outer positioning module; 4. a first motor; 5. a second motor; 6. a pillar; 7. an inner splint; 8. a first chute; 9. a first slider; 10. a first screw; 11. a first collar; 12. a first gear; 13. a first rotating shaft; 14. a second gear; 15. a third gear; 16. a second screw; 17. a fourth gear; 18. an outer splint; 19. a second chute; 20. a second slider; 21. a third screw; 22. a second collar; 23. an auxiliary rotation module; 24. and a main rotating module.

Detailed Description

In order to make the technical means, the original characteristics, the achieved purposes and the effects of the utility model easily understood and obvious, the technical solutions in the embodiments of the present invention are clearly and completely described below to further illustrate the utility model, and obviously, the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments.

Example 1

The positioning fixture for polishing the thin-wall bearing comprises a bearing module 1, three groups of inner positioning modules 2 and outer positioning modules 3 which are distributed at the upper end of the bearing module 1 in an equal distribution manner, a first motor 4 fixedly installed at the outer side of the bearing module 1, and a second motor 5 fixedly installed at the outer side of the bearing module 1 and positioned below the first motor 4, wherein the schematic perspective structure of the positioning fixture is shown in fig. 1, and the front sectional view of the positioning fixture is shown in fig. 2; the inboard central point that bears module 1 puts fixed mounting with pillar 6, and interior location module 2 is inside including interior splint 7, and interior splint 7 is located the upper end that bears module 1, bears the upper end of module 1 and has seted up first spout 8, and the bottom fixed mounting of interior splint 7 has first slider 9, first spout 8 and first slider 9 sliding connection.

To this embodiment, the shape of the bearing module 1 can be set according to actual conditions, such as rectangle, circle and polygon, and the material of the bearing module 1 can be metal material and wood material, and the heights of the inner positioning module 2 and the outer positioning module 3 can be set according to actual conditions, and the first motor 4 and the second motor 5 can adopt a manual rotation adjustment mode, and also can adopt transmission modes such as belt driving or gear driving.

Wherein, the inside of the bearing module 1 is provided with a first screw 10, the bottom end of the first slide block 9 is fixedly provided with a first collar 11, the first screw 10 is connected with the first collar 11 by a screw rod, the outer side of the first screw 10 is fixedly provided with a first gear 12, the inner splint 7 is driven to move outwards by the connection of the first screw 10 and the first collar 11 by the screw rod, the inner splint 7 is limited by the sliding connection of the first chute 8 and the first slide block 9, the inner splint 7 slides outwards, the inner side of the thin-wall bearing is positioned by the three groups of inner positioning modules 2, the center position of the bottom end of the pillar 6 is provided with a rotatable first rotating shaft 13, the outer side of the first rotating shaft 13 is fixedly provided with a second gear 14, the second gear 14 is engaged with the first gear 12, the first rotating shaft 13 drives the second gear 14 to rotate, the first screw 10 is driven to rotate by the engagement of the second gear 14 and the first gear 12, the third gear 15 is fixedly mounted on the outer side of the first rotating shaft 13, the sizes of the second gear 14 and the third gear 15 can be set according to actual conditions, the second gear 14 and the third gear 15 can be made of metal materials or hard plastic materials, the rotatable second screw 16 is arranged on the inner side of the bearing module 1, the outer side end of the second screw 16 is connected with an output shaft of the first motor 4, the fourth gear 17 is fixedly mounted on the outer side of the second screw 16, the third gear 15 is meshed with the fourth gear 17, the second screw 16 is driven to rotate by starting the first motor 4, the second screw 16 drives the fourth gear 17 to rotate, and the first rotating shaft 13 is driven to rotate by meshing connection of the fourth gear 17 and the third gear 15.

The specific embodiment is a positioning fixture for polishing a thin-walled bearing, a schematic side view cross-sectional structure of the positioning fixture is shown in fig. 3, an outer clamping plate 18 is arranged inside an outer positioning module 3, the outer clamping plate 18 is arranged at the upper end of a bearing module 1, a second sliding groove 19 is formed in the upper end of the bearing module 1, a second sliding block 20 is fixedly arranged at the bottom end of the outer clamping plate 18, the second sliding block 20 is arranged inside the second sliding groove 19, the outer clamping plate 18 is limited through the sliding connection of the second sliding groove 19 and the second sliding block 20, the three groups of outer clamping plates 18 are used for positioning the outer side of the thin-walled bearing, a rotating third screw 21 is arranged inside the bearing module 1, a second collar 22 is fixedly arranged at the bottom end of the second sliding block 20, the third screw 21 is connected with a second collar 22 through a screw rod, the outer clamping plate 18 is driven to move inwards through the connection of the third screw 21 and the second collar 22, the auxiliary rotating module 23 is arranged at the center of the bottom end of the strut 6, the main rotating module 24 is arranged on an output shaft of the second motor 5, the second motor 5 is rotatably connected with the auxiliary rotating module 23 through the main rotating module 24, the main rotating module 24 is driven to rotate by starting the second motor 5, and the main rotating module 24 drives the third screw rod 21 to rotate through the auxiliary rotating module 23.

When the positioning fixture of the technical scheme is used, the thin-wall bearing is put in along the outer side of the inner positioning module 2, the first motor 4 is started to drive the second screw 16 to rotate, the second screw 16 drives the fourth gear 17 to rotate, the first rotating shaft 13 is driven to rotate through the meshing connection of the fourth gear 17 and the third gear 15, the first rotating shaft 13 drives the second gear 14 to rotate, the first screw 10 is driven to rotate through the meshing connection of the second gear 14 and the first gear 12, the inner clamping plate 7 is driven to move outwards through the connection of the first screw 10 and the first collar 11, the inner clamping plate 7 is limited through the sliding connection of the first chute 8 and the first sliding block 9, the inner clamping plate 7 slides outwards, the inner sides of the thin-wall bearing are positioned through the three groups of inner positioning modules 2, the main rotating module 24 is driven to rotate through the starting of the second motor 5, the main rotating module 24 drives the third screw 21 to rotate through the auxiliary rotating module 23, the outer clamping plate 18 is driven to move inwards through the connection of the third screw 21 and the second sleeve ring 22 through the screw rod, the outer clamping plate 18 is limited through the sliding connection of the second sliding groove 19 and the second sliding block 20, and the outer clamping plates 18 of three groups position the outer side of the thin-wall bearing, so that the outer side and the inner side of the thin-wall bearing are positioned simultaneously, and the bearing is positioned and polished conveniently.

Having thus described the principal technical features and basic principles of the utility model, and the advantages associated therewith, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description is described in terms of various embodiments, not every embodiment includes only a single embodiment, and such descriptions are provided for clarity only, and those skilled in the art will recognize that the embodiments described herein can be combined as a whole to form other embodiments as would be understood by those skilled in the art.

Claims

1. A positioning fixture for polishing a thin-wall bearing comprises a bearing module, an inner positioning module and an outer positioning module which are equally distributed at the upper end of the bearing module, a first motor fixedly arranged at the outer side of the bearing module, and a second motor fixedly arranged at the outer side of the bearing module and positioned below the first motor; the bearing module is characterized in that a supporting column is fixedly mounted at the center of the inner side of the bearing module, an inner clamping plate is arranged in the inner positioning module and located at the upper end of the bearing module, a first sliding groove is formed in the upper end of the bearing module, a first sliding block is fixedly mounted at the bottom end of the inner clamping plate, and the first sliding groove is connected with the first sliding block in a sliding mode.

2. The thin-walled bearing positioning fixture for polishing as claimed in claim 1, wherein a first screw is arranged inside the bearing module, a first sleeve ring is fixedly mounted at the bottom end of the first slider, the first screw is connected with the first sleeve ring screw rod, and a first gear is fixedly mounted on the outer side of the first screw.

3. The thin-walled bearing positioning fixture for grinding as claimed in claim 2, wherein a rotatable first rotating shaft is arranged at the center of the bottom end of the support column, a second gear is fixedly mounted on the outer side of the first rotating shaft, and the second gear is meshed with the first gear.

4. The thin-walled bearing positioning fixture for grinding as claimed in claim 3, wherein a third gear is fixedly mounted on the outer side of the first rotating shaft, a rotatable second screw is arranged on the inner side of the bearing module, the outer side end of the second screw is connected with the output shaft of the first motor, a fourth gear is fixedly mounted on the outer side of the second screw, and the third gear is in meshed connection with the fourth gear.

5. The positioning fixture for polishing the thin-walled bearing of claim 1, wherein the outer positioning module comprises an outer clamping plate inside, the outer clamping plate is located at the upper end of the bearing module, a second sliding groove is formed in the upper end of the bearing module, a second sliding block is fixedly installed at the bottom end of the outer clamping plate, and the second sliding block is located inside the second sliding groove.

6. The thin-walled bearing positioning fixture for grinding as claimed in claim 5, wherein a third rotating screw is arranged inside the bearing module, a second sleeve ring is fixedly mounted at the bottom end of the second slider, and the third screw is connected with the second sleeve ring screw rod.

7. The positioning fixture for polishing the thin-walled bearing of claim 6, wherein an auxiliary rotating module is arranged at the center of the bottom end of the support column, a main rotating module is arranged on an output shaft of the second motor, and the second motor is rotatably connected with the auxiliary rotating module through the main rotating module.