CN216478506U

CN216478506U - Encoder bearing set for improving precision

Info

Publication number: CN216478506U
Application number: CN202123070140.0U
Authority: CN
Inventors: 赵风宇; 黄浩程; 黄旭锋
Original assignee: Ningbo Cifeng Bearing Co ltd
Current assignee: Ningbo Cifeng Bearing Co ltd
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-05-10
Anticipated expiration: 2031-12-08

Abstract

The utility model discloses an encoder bearing group of improving precision, including inside taper hole axle, first bearing, second bearing and the end cover that has the taper hole, the utility model discloses structural design supports to carry out adjustment many times in production, has improved the yields of encoder bearing greatly, and can change the bearing of taper hole off-axial wall according to the needs of different encoder models, has improved the suitability of product, has reduced manufacturing cost, in addition the utility model discloses because the stress point disperses between the sealed lid of bearing and rolling element at the during operation, has increased the stability and the durability of bearing.

Description

Encoder bearing set for improving precision

Technical Field

The utility model relates to a rotary encoder field especially relates to an encoder bearing group of improving precision.

Background

The rotary encoder is widely applied to various control machines and control systems, has extremely high requirements on accuracy and stability of precision, and is used for improving the precision during assembly and use.

China application number: CN202010151017.2 proposes an encoder with integrated bearing, which improves the precision of the encoder bearing by using the encoder main shaft as the bearing inner ring of the integrated bearing, but it still has many disadvantages, such as:

the integrated bearing is difficult to produce, high in cost and difficult to adjust due to the fact that the integrated bearing can only be applied to a specific model;

secondly, the integrated bearing cannot be adjusted again during production, installation and debugging of the encoder, so that the defective rate of the encoder is increased;

and thirdly, when the rotary encoder works, the stress point is completely concentrated on the arc contact surface between the raceway and the rolling body, so that the stability and the durability of the whole bearing are reduced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to prior art's current situation, an encoder bearing group of improving precision is provided.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides an encoder bearing group of improving precision, includes first bearing, second bearing and end cover, still includes that an inside has the taper hole axle of taper hole, and one side outer wall of taper hole axle has outer convex part, installs the end cover on the opposite side outer wall of taper hole axle, and first bearing and second bearing are installed side by side in the outer wall of taper hole axle and are located between outer convex part and the end cover.

Preferably, the inner part of the taper hole shaft is provided with an inner convex part, and the inner part of the taper hole shaft is sequentially communicated with a taper hole, an inner circular hole, an inner convex part hole on the inner convex part and an outer circular hole.

Preferably, the inner lug hole is a threaded hole.

Preferably, the tapered bore is located at an end of the mounting end cap remote from the axis of the tapered bore.

Preferably, the outer wall of the taper hole shaft is provided with a plurality of grooves.

Compared with the prior art, the utility model has the advantages of: the utility model discloses a structure support carries out adjustment many times in putting into production, has improved the yields of encoder bearing greatly, and can change the bearing of taper hole axle outer wall according to the needs of different encoder models, has improved the suitability of product, has reduced manufacturing cost, in addition the utility model discloses because the stress point disperses between the sealed lid of bearing and rolling element at the during operation, has increased the stability and the durability of bearing.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the exploded structure of the present invention;

fig. 3 is a schematic view of an assembly structure according to an embodiment of the present invention;

fig. 4 is a schematic view of an assembly structure according to an embodiment of the present invention;

fig. 5 is a schematic view of an assembly structure according to an embodiment of the present invention.

Reference numerals: the bearing comprises a taper hole shaft (1), an outer convex part (11), a taper hole (12), an inner circular hole (13), an inner convex part (14), an inner convex part hole (141), an outer circular hole (15), a groove (16), a first groove (161), a second groove (162), a third groove (163), a fourth groove (164), a first bearing (2), a second bearing (3) and an end cover (4).

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a more thorough understanding of the present invention. It should be understood, however, that these implementation details should not be used to limit the invention. That is, in some embodiments of the invention, details of these implementations are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …, etc.) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for description purposes, not specifically referring to the order or sequence, and are not intended to limit the present invention, but only to distinguish the components or operations described in the same technical terms, and are not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1 to 5, the utility model provides an encoder bearing group of improving precision, including first bearing (2), second bearing (3) and end cover (4), still include a inside taper hole axle (1) that has taper hole (12), one side outer wall of taper hole axle (1) has outer convex part (11), installs end cover (4) on the opposite side outer wall of taper hole axle (1), and first bearing (2) and second bearing (3) are installed side by side in the outer wall of taper hole axle (1) and are located between outer convex part (11) and end cover (4).

The inner part of the taper hole shaft (1) is provided with an inner convex part (14), the inner part of the taper hole shaft (1) is sequentially communicated with a taper hole (12), an inner circular hole (13), an inner convex part hole (141) on the inner convex part (14) and an outer circular hole (15), the taper hole (12) is a matching hole of a measured shaft, the inner circular hole (13) is arranged to limit a solid cone inserted into the taper hole (12), the inner convex part hole (141) on the inner convex part (14) can allow a screw to pass through a top-opened solid cone, and the outer circular hole (15) is a screw clearance space of the encoder.

The inner convex part hole (141) is a threaded hole and can be screwed in by matching with a screw.

The taper hole (12) is positioned at one end far away from the taper hole shaft (1) and provided with the end cover (4), and the encoder part can be arranged on the outer side of the end cover (4).

The outer wall of the taper hole shaft (1) is provided with four grooves (16), anaerobic adhesive can be filled in the grooves (16), and all the parts can be bonded and connected.

The embodiment can carry out multiple adjustment in the assembly process, firstly anaerobic adhesive is filled in a first groove (161) and a second groove (162) in four grooves (16) arranged on the outer wall of the tapered hole shaft (1), a first bearing (2) is assembled, the position can be adjusted at the moment, then a second bearing (3) is assembled after the anaerobic adhesive is filled in a third groove (163), the secondary adjustment can be carried out at the moment, finally an end cover (4) is assembled after the anaerobic adhesive is filled in a fourth groove (164), the adjustment can be carried out at the moment, the pressure maintaining stability of the end cover (4) is carried out after the adjustment is finished, and then the detection can be carried out to complete the production, the structure of the utility model supports the multiple adjustment in the production, the yield of the encoder bearing is greatly improved, the bearing on the outer wall of the tapered hole shaft (1) can be replaced according to the requirements of different encoder models, and the applicability of the product is improved, reduced manufacturing cost, in addition the utility model discloses because the stress point disperses between the sealed lid of bearing and rolling element at the during operation, increased the stability and the durability of bearing.

While the foregoing is directed to the preferred embodiment of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.

Claims

1. An encoder bearing group of improved precision, includes first bearing (2), second bearing (3) and end cover (4), its characterized in that: still include that an inside has taper hole axle (1) of taper hole (12), one side outer wall of taper hole axle (1) has outer convex part (11), installs end cover (4) on the opposite side outer wall of taper hole axle (1), first bearing (2) and second bearing (3) are installed side by side in the outer wall of taper hole axle (1) and are located between outer convex part (11) and end cover (4).

2. An improved accuracy encoder bearing set according to claim 1, wherein: the inner part of the taper hole shaft (1) is provided with an inner convex part (14), and the inner part of the taper hole shaft (1) is sequentially communicated with a taper hole (12), an inner circular hole (13), an inner convex part hole (141) on the inner convex part (14) and an outer circular hole (15).

3. An improved accuracy encoder bearing set according to claim 2, wherein: the inner convex part hole (141) is a threaded hole.

4. An improved accuracy encoder bearing set according to claim 2, wherein: the taper hole (12) is positioned at one end far away from the taper hole shaft (1) and provided with the end cover (4).

5. An improved accuracy encoder bearing set according to claim 1, wherein: the outer wall of the taper hole shaft (1) is provided with a plurality of grooves (16).