CN220037255U - Open type linear bearing for motor - Google Patents

Abstract

The utility model discloses an opening type linear bearing for a motor, which relates to the technical field of linear bearings and comprises a mounting seat, wherein the inner wall of the mounting seat is connected with a mounting block in a sliding manner, the inner wall of the mounting block is connected with a retainer in a sliding manner, the inside of the retainer is rotationally connected with balls, the inside of the mounting block is provided with a containing part for containing lubricating oil, the outer wall of the mounting seat is fixedly connected with an oil injection pipe, and one end of the oil injection pipe, which is far away from the mounting seat, is provided with an oil injection plug for blocking an inner cavity of the oil injection pipe; through the cooperation between above each device and use, make old lubricating oil be convenient for follow out in the oil outlet pipe, after old lubricating oil flows out, new lubricating oil pours into from annotating in the oil pipe into, and then through the setting of holder and ball, reduce the coefficient of friction between open-type ball bearing and the work piece, the life of extension open-type linear bearing has solved the problem of need dismantling the equipment when changing lubricating oil to open-type linear bearing among the background art effectively.

Description

Open type linear bearing for motor

Technical Field

The utility model relates to the technical field of linear bearings, in particular to an open type linear bearing for a motor.

Background

The bearing is an important part in modern mechanical equipment, and has the main functions of supporting a mechanical rotating body, reducing friction coefficient in the motion process and ensuring the rotation precision, and the linear bearing is a linear motion bearing which is used for matching a linear stroke with a cylindrical shaft and is generally divided into a standard type linear bearing, a clearance adjustment type linear bearing, an opening type linear bearing, a lengthening type linear bearing and a general type linear bearing, wherein the opening type linear bearing is a linear axial guide element widely applied to industrial machinery and automation equipment and can bear larger load and vibration resistance in linear motion.

In high-speed, high-precision machine tool processing, linear bearings are often used to transmit axial loads, and motors used in such machine tools need to be controlled more precisely, so that motors in such machine tools generally need to maintain stable processing precision over long periods of time, high-precision bearings are used to prevent oil film breakage of the bearings, even minor jitters, special high-performance lubricating oil is often selected for injection, and frequent replacement is required to ensure stable operation thereof over long periods of time.

Most of the open-type linear bearings in the prior art need to be disassembled when lubricating oil is replaced, and the open-type linear bearings are assembled after the lubricating oil is replaced, so that the process can possibly bring unavoidable influence on the assembly quality and the adjustment precision of the bearings, and even a small error can also bring serious influence on the operation stability and the precision of a motor.

For this purpose, we propose an open linear bearing for an electric motor.

Disclosure of Invention

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an opening type linear bearing for motor, including the mount pad, the inner wall sliding connection of mount pad has the installation piece, the inner wall sliding connection of installation piece has the holder, the inside rotation of holder is connected with the ball, the inside of installation piece is provided with the holding portion that is used for holding lubricating oil, the outer wall fixedly connected with oil filler pipe of mount pad, the one end that oil filler pipe kept away from the mount pad is provided with the oil filler plug that is used for blockking up oil filler pipe inner chamber, the outer wall fixedly connected with of mount pad goes out oil pipe, the one end that the mount pad was kept away from to go out oil pipe is provided with the play oil plug that is used for blockking up oil pipe inner chamber, make opening type linear bearing be convenient for through the setting of oil filler pipe and play oil pipe, change lubricating oil.

Preferably, the inner cavity of the oil filling pipe is communicated with the accommodating part, and the inner cavity of the oil outlet pipe is communicated with the accommodating part, so that the old lubricating oil is convenient to flow out of the oil outlet pipe, and the new lubricating oil is convenient to fill from the oil filling pipe.

Preferably, the balls are provided in plurality, and the balls are uniformly distributed in the retainer, so that the friction coefficient between the balls and the workpiece is reduced.

Preferably, the oil filling plug is connected with the oil filling pipe through internal and external screw threads in a matched manner, the oil outlet pipe is connected with the oil outlet plug through internal and external screw threads in a matched manner, the rubber pad is fixedly connected with the outer wall of the oil filling plug, the sealing pad is fixedly connected with the outer wall of the oil outlet plug, and the sealing performance of the containing part is improved, so that lubricating oil is not easy to leak.

Preferably, the inner wall sliding connection of mount pad has spacing jump ring, and spacing jump ring is provided with a plurality ofly, and two at least spacing jump rings set up in the both ends of installation piece, and the outer wall of spacing jump ring slides the laminating with the lateral wall of installation piece, makes the installation piece firmly install in the inside of mount pad, makes opening type linear bearing be difficult for producing the skew at the use of installation piece.

Preferably, the oil outlet pipe is arranged in a bending way, and the oil outlet pipe is made of visual materials, so that an operator can observe the storage quantity of the lubricating oil in the accommodating part conveniently.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, through the arrangement of the oil injection pipe and the oil outlet pipe, the old lubricating oil is convenient to flow out of the oil outlet pipe, and after the old lubricating oil flows out, the new lubricating oil is injected into the oil injection pipe, so that the friction coefficient between the open-type ball bearing and a workpiece is reduced through the arrangement of the retainer and the balls, the service life of the open-type linear bearing is prolonged, and the problem that the open-type linear bearing needs to be disassembled and assembled when the lubricating oil is replaced in the background art is effectively solved.

Drawings

FIG. 1 is a perspective view of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view of a mounting block of the present utility model;

FIG. 3 is a schematic view of the installation of the cage of the present utility model;

FIG. 4 is a cross-sectional view of a flowline of the present utility model;

fig. 5 is an enlarged view of a in fig. 4 according to the present utility model.

In the figure: 1. a mounting base; 2. a mounting block; 3. a retainer; 4. a ball; 5. limiting snap springs; 6. a filler pipe; 7. an oil filling plug; 8. an oil outlet pipe; 9. and (5) oil plug.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-5, an open-type linear bearing for a motor in the drawings comprises a mounting seat 1, wherein the inner wall of the mounting seat 1 is slidably connected with a mounting block 2, the inner wall of the mounting block 2 is slidably connected with a retainer 3, balls 4 are rotatably connected in the retainer 3, and a containing part for containing lubricating oil is arranged in the mounting block 2.

The outer wall fixedly connected with filler pipe 6 of mount pad 1, the one end that filler pipe 6 kept away from mount pad 1 is provided with the filler plug 7 that is used for blockking up filler pipe 6 inner chamber, the outer wall fixedly connected with of mount pad 1 goes out oil pipe 8, the one end that mount pad 1 was kept away from to go out oil pipe 8 is provided with the play oil plug 9 that is used for blockking up out oil pipe 8 inner chamber.

Referring to fig. 1-5, the inner cavity of the filler pipe 6 is shown to be connected to the accommodating portion, and the inner cavity of the oil outlet pipe 8 is shown to be connected to the accommodating portion.

In this embodiment: the installation piece 2 sets up in the inside of mount pad 1, provide the installation space for the installation of holder 3, simultaneously ball 4 sets up in the inside of holder 3, reduce the frictional force between opening type linear bearing and the work piece, make the work piece pass through opening type linear bearing more convenient, provide the direction for the slip of work piece, the holding portion sets up to sealed cavity simultaneously, be provided with lubricating oil in the holding portion, through the setting of holding portion, reducible lubricating oil leakage, noise reduction and prevent impurity entering bearing are inside, make the outer wall of ball 4 contact lubricating oil when rotating, reduce opening type linear bearing's coefficient of friction when the operation, extension opening type linear bearing's life, can form the lubricating oil film between ball 4 in the opening type linear bearing and the holder 3 in normal operation, thereby play lubrication and reduce wearing and tearing effect.

The oil filling pipe 6 and the oil outlet pipe 8 are symmetrically arranged on two sides of the mounting seat 1, when the lubricating oil in the opening type linear bearing needs to be replaced, the oil filling plug 7 and the oil outlet plug 9 are unscrewed, the accommodating part is communicated with the outside air through the oil filling pipe 6 and the oil outlet pipe 8, the opening type linear bearing is taken to rotate, the oil filling pipe 6 is placed upwards, the old lubricating oil in the accommodating part flows out of the oil outlet pipe 8, after the old lubricating oil flows out of the accommodating part, the opening type linear bearing is taken, the bottom surface of the mounting seat 1 is placed downwards, new lubricating oil is further filled into the oil filling pipe 6, after the new lubricating oil is filled into the accommodating part, the air in the accommodating part is extruded by the new lubricating oil and is discharged from the oil outlet pipe 8, after a proper amount of new lubricating oil is filled into the accommodating part, the oil filling plug 9 is taken out to be screwed into the oil outlet pipe 8, the oil filling plug 7 is taken to be screwed into the oil filling pipe 6, the accommodating part is blocked from being in contact with the outside air, the accommodating part is kept airtight, the ball 4 can be contacted with the new lubricating oil when rotating, and the service life of the opening type linear bearing is prolonged.

Example 2

Referring to fig. 1 to 5, this embodiment further describes example 1, in which a plurality of balls 4 are provided, and the balls 4 are uniformly arranged inside the cage 3.

In this embodiment: the balls 4 are uniformly arranged at a certain interval by the retainer 3 and maintain a certain relative position, and the friction coefficient between the balls 4 and the workpiece is reduced by the arrangement of the balls 4.

Referring to fig. 1-5, in the drawings, an oil filling plug 7 is connected with an oil filling pipe 6 through internal and external screw threads in a matching manner, an oil outlet pipe 8 is connected with an oil outlet plug 9 through internal and external screw threads in a matching manner, a rubber pad is fixedly connected to the outer wall of the oil filling plug 7, and a sealing pad is fixedly connected to the outer wall of the oil outlet plug 9.

In this embodiment: through the arrangement of the rubber pad and the sealing pad, the tightness of the containing part is improved, so that lubricating oil is not easy to leak.

Referring to fig. 1-5, in the drawings, the inner wall of a mounting seat 1 is slidably connected with a plurality of limit clamping springs 5, at least two limit clamping springs 5 are arranged at two ends of a mounting block 2, and the outer wall of the limit clamping spring 5 is slidably attached to the side wall of the mounting block 2.

In this embodiment: through the setting of spacing jump ring 5, make installation piece 2 firmly install in the inside of mount pad 1, make opening type linear bearing when using, installation piece 2 is difficult for producing the skew.

Referring to fig. 1-5, the oil outlet pipe 8 is bent in the drawings, and the oil outlet pipe 8 is made of a visual material.

In this embodiment: the oil outlet pipe 8 is made of visual materials, the material of the oil outlet pipe 8 can be glass or plastic, and the liquid level of the lubricating liquid in the oil outlet pipe 8 is consistent with the liquid level of the lubricating oil in the accommodating part through the arrangement of the oil outlet pipe 8, so that an operator can observe the storage amount of the lubricating oil in the accommodating part conveniently.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process-method-article or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process-method-article or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes-modifications-substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. An open-type linear bearing for a motor, which is characterized in that: the device comprises a mounting seat (1), wherein the inner wall of the mounting seat (1) is connected with a mounting block (2) in a sliding manner, the inner wall of the mounting block (2) is connected with a retainer (3) in a sliding manner, the interior of the retainer (3) is rotationally connected with a ball (4), and a containing part for containing lubricating oil is arranged in the mounting block (2);

the oil filling device is characterized in that an oil filling pipe (6) is fixedly connected to the outer wall of the mounting seat (1), an oil filling plug (7) used for blocking the inner cavity of the oil filling pipe (6) is arranged at one end, far away from the mounting seat (1), of the oil filling pipe (6), an oil outlet pipe (8) is fixedly connected to the outer wall of the mounting seat (1), and an oil outlet plug (9) used for blocking the inner cavity of the oil outlet pipe (8) is arranged at one end, far away from the mounting seat (1), of the oil outlet pipe (8).

2. An open-ended linear bearing for an electric machine as set forth in claim 1, wherein: the inner cavity of the oil filling pipe (6) is communicated with the accommodating part, and the inner cavity of the oil outlet pipe (8) is communicated with the accommodating part.

3. An open-ended linear bearing for an electric machine as claimed in claim 2, wherein: the balls (4) are arranged in a plurality, and the balls (4) are uniformly distributed in the retainer (3).

4. An open-ended linear bearing for an electric machine as claimed in claim 3, wherein: the oil filling pipe is characterized in that the oil filling plug (7) is connected with the oil filling pipe (6) through internal and external screw threads in a matched mode, the oil outlet pipe (8) is connected with the oil outlet plug (9) through internal and external screw threads in a matched mode, a rubber pad is fixedly connected to the outer wall of the oil filling plug (7), and a sealing pad is fixedly connected to the outer wall of the oil outlet plug (9).

5. An open-ended linear bearing for an electric machine as set forth in claim 4, wherein: the inner wall sliding connection of mount pad (1) has spacing jump ring (5), spacing jump ring (5) are provided with a plurality ofly, and at least two spacing jump ring (5) set up the both ends at installation piece (2), the outer wall of spacing jump ring (5) is laminated with the lateral wall slip of installation piece (2).

6. An open-ended linear bearing for an electric machine as set forth in claim 5, wherein: the oil outlet pipe (8) is arranged in a bending mode, and the oil outlet pipe (8) is made of visual materials.