CN215806109U

CN215806109U - Precise ball screw rod bearing

Info

Publication number: CN215806109U
Application number: CN202122178262.5U
Authority: CN
Inventors: 李红
Original assignee: Lishui Shenglong Bearing Manufacturing Co ltd
Current assignee: Lishui Shenglong Bearing Manufacturing Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-11
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a precise ball screw bearing which comprises an installation seat, wherein the right side of the installation seat is provided with an installation groove, an inner cavity of the installation groove is provided with a positioning block, the right side of the positioning block is fixedly connected with a limiting plate, the right side of the limiting plate is fixedly connected with a fixed seat, the right side of the fixed seat is fixedly connected with a screw rod body, and the top and the bottom of the right side of the limiting plate are respectively provided with a positioning pin in a penetrating manner. According to the utility model, through the matching use of the mounting seat, the mounting groove, the positioning block, the limiting plate, the fixing seat, the screw rod body, the positioning pin, the movable groove, the movable rod, the clamping block, the first spring, the bearing sleeve, the oil injection hole, the movable plate, the oil guide hole and the second spring, the problems that the abrasion is increased and the service life is shortened due to the lack of an effective lubricating mechanism in the use process of the traditional precise ball screw rod bearing can be effectively solved, and the device can conveniently inject lubricating oil and has the purposes of convenient mounting and dismounting.

Description

Precise ball screw rod bearing

Technical Field

The utility model relates to the technical field of ball screws, in particular to a precision ball screw bearing.

Background

Ball screw is the ideal product that turns rotary motion into linear motion, or turns linear motion into rotary motion, ball screw is the most commonly used drive element on instrument machinery and precision machine, its main function is to convert rotary motion into linear motion, or convert the moment of torsion into axial repetitive force, have high accuracy concurrently simultaneously, reversibility and efficient characteristics, owing to have very little frictional resistance, ball screw is widely used in various industrial equipment and precision instrument, present traditional ball screw bearing is in the in-process that uses, lack effective lubricated function, thereby increased wearing and tearing, inconvenient installing and dismantling it simultaneously, installation effectiveness has been reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a precision ball screw bearing which has the advantages of convenience in lubrication and installation and solves the problems that the traditional ball screw bearing is lack of an effective lubrication function in the use process, so that the abrasion is increased, and meanwhile, the installation and the disassembly of the ball screw bearing are inconvenient, and the installation efficiency is reduced.

In order to achieve the purpose, the utility model provides the following technical scheme: an accurate ball screw bearing comprises a mounting seat, wherein a mounting groove is formed in the right side of the mounting seat, a positioning block is arranged in an inner cavity of the mounting groove, a limiting plate is fixedly connected to the right side of the positioning block, a fixing seat is fixedly connected to the right side of the limiting plate, a screw body is fixedly connected to the right side of the fixing seat, positioning pins are arranged at the top and the bottom of the right side of the limiting plate in a penetrating manner, movable grooves are formed in the top and the bottom of the mounting seat, a movable rod is arranged in the inner cavity of each movable groove, a clamping block is fixedly connected to the bottom of each movable rod, one side, away from the movable rod, of each clamping block extends to the inner cavity of each positioning pin, a first spring is sleeved on the surface of each movable rod, a bearing sleeve is slidably connected to the right side of the surface of the screw body, an oil injection hole is formed in the top of the bearing sleeve, and a movable plate is arranged in the inner cavity of the oil hole, the oil guide hole is formed in each of two sides of the inner cavity of the oil injection hole, the two sides of the movable plate extend to the inner cavity of the oil guide hole, a second spring is fixedly connected to each of two sides of the bottom of the movable plate, and the bottom of the second spring is fixedly connected with the bottom of the inner cavity of the oil guide hole.

Preferably, the top of the movable plate is fixedly connected with a sealing sleeve, and the top of the sealing sleeve extends to the outside of the bearing sleeve.

Preferably, one side of the inner cavity of the movable groove is fixedly connected with a fixed block, and one side of the movable rod penetrates through the outer part of the fixed block and is fixedly connected with a pull rod.

Preferably, a clamping groove is formed in one side of the positioning pin, and one side of the clamping block extends to an inner cavity of the clamping groove.

Preferably, the inner cavity of the bearing sleeve is provided with a ball, and the surface of the screw rod body is provided with a sliding groove matched with the ball for use.

Preferably, the top and the bottom of the mounting seat are fixedly connected with mounting blocks, and mounting holes are formed in the inner cavities of the mounting blocks.

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

1. according to the utility model, through the matching use of the mounting seat, the mounting groove, the positioning block, the limiting plate, the fixing seat, the screw rod body, the positioning pin, the movable groove, the movable rod, the clamping block, the first spring, the bearing sleeve, the oil injection hole, the movable plate, the oil guide hole and the second spring, the problems that the abrasion is increased and the service life is shortened due to the lack of an effective lubricating mechanism in the use process of the traditional precise ball screw rod bearing can be effectively solved, and the device can conveniently inject lubricating oil and has the purposes of convenient mounting and dismounting.

2. According to the utility model, the oil injection hole can be sealed by arranging the sealing sleeve, external dust is prevented from entering the oil injection hole, the purpose of effective protection is achieved, the first spring can be limited by arranging the fixing block, the stability of the first spring is ensured, the limiting effect is improved by arranging the clamping groove and matching with the use of the clamping block, and the mounting seat can be conveniently fixed by arranging the mounting block and the mounting hole.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

fig. 3 is a schematic cross-sectional view of the mount structure of the present invention.

In the figure: 1. a mounting seat; 2. mounting grooves; 3. positioning blocks; 4. a limiting plate; 5. a fixed seat; 6. a screw rod body; 7. positioning pins; 8. a movable groove; 9. a movable rod; 10. a clamping block; 11. a first spring; 12. a bearing housing; 13. an oil filler hole; 14. a movable plate; 15. an oil guide hole; 16. a second spring; 17. sealing sleeves; 18. a fixed block; 19. a pull rod; 20. and (7) installing the block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "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 describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element 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", "provided", "connected", and the like are to be construed broadly, such as "connected", which may be fixedly connected, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The components used in the present invention are all standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experiments.

Referring to fig. 1-3, a precision ball screw bearing comprises a mounting base 1, wherein the top and the bottom of the mounting base 1 are both fixedly connected with a mounting block 20, the inner cavity of the mounting block 20 is provided with a mounting hole, the right side of the mounting base 1 is provided with a mounting groove 2, the inner cavity of the mounting groove 2 is provided with a positioning block 3, the right side of the positioning block 3 is fixedly connected with a limiting plate 4, the right side of the limiting plate 4 is fixedly connected with a fixing base 5, the right side of the fixing base 5 is fixedly connected with a screw body 6, the top and the bottom of the right side of the limiting plate 4 are both provided with a positioning pin 7 in a penetrating manner, one side of the positioning pin 7 is provided with a clamping groove, one side of a clamping block 10 extends to the inner cavity of the clamping groove, the top and the bottom of the mounting base 1 are both provided with a movable groove 8, one side of the inner cavity of the movable groove 8 is fixedly connected with a fixing block 18, one side of a movable rod 9 penetrates to the outside of the fixing block 18 and is fixedly connected with a pull rod 19, the inner cavity of the movable groove 8 is provided with a movable rod 9, the bottom of the movable rod 9 is fixedly connected with a fixture block 10, one side of the fixture block 10 away from the movable rod 9 extends to the inner cavity of the positioning pin 7, the surface of the movable rod 9 is sleeved with a first spring 11, the right side of the surface of the screw rod body 6 is slidably connected with a bearing sleeve 12, the inner cavity of the bearing sleeve 12 is provided with balls, the surface of the screw rod body 6 is provided with a sliding groove matched with the balls for use, the top of the bearing sleeve 12 is provided with an oil injection hole 13, the inner cavity of the oil injection hole 13 is provided with a movable plate 14, the top of the movable plate 14 is fixedly connected with a sealing sleeve 17, the top of the sealing sleeve 17 extends to the outside of the bearing sleeve 12, both sides of the inner cavity of the oil injection hole 13 are provided with oil guide holes 15, both sides of the movable plate 14 extend to the inner cavity of the oil guide holes 15, both sides of the bottom of the movable plate 14 are fixedly connected with second springs 16, the bottoms of the oil guide holes 15 are fixedly connected with the bottoms of the inner cavities of the second springs 16, the oil filling hole 13 can be sealed by arranging the sealing sleeve 17, external dust is prevented from entering the oil filling hole, the purpose of effective protection is achieved, the first spring 11 can be limited by arranging the fixing block 18, the stability of the first spring 11 is ensured, the clamping groove is arranged, the clamping block 10 can be matched with the use, the limiting effect is improved, the mounting seat 1 can be conveniently fixed by arranging the mounting block 20 and the mounting hole, the problems that the traditional precision ball screw rod bearing is lack of an effective lubricating mechanism in the using process, the service life is prolonged due to abrasion and abrasion are reduced due to the matching use of the mounting seat 1, the mounting groove 2, the positioning block 3, the limiting plate 4, the fixing seat 5, the screw rod body 6, the positioning pin 7, the movable groove 8, the movable rod 9, the clamping block 10, the first spring 11, the bearing sleeve 12, the oil filling hole 13, the movable plate 14, the oil guide hole 15 and the second spring 16 are effectively solved, the device can conveniently pour into lubricating oil into, possesses the purpose easy to assemble and dismantlement simultaneously.

During the use, when lubricating this ball screw bearing, through outside notes oil pipe extrusion seal cover 17, seal cover 17 descends, pour into lubricating oil into the inside of oil filler point 13, lubricating oil gets into the inside of bearing housing 12 through the inside of leading oilhole 15, play effective lubricated purpose, when dismantling the device, through pulling movable rod 9, movable rod 9 drives the inner chamber that fixture block 10 breaks away from the draw-in groove, remove spacing to locating pin 7, take out behind locating pin 7, limiting plate 4 can be taken off, thereby reach the purpose of convenient dismantlement.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in 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

1. The utility model provides a precision ball screw bearing, includes mount pad (1), its characterized in that: the right side of the mounting seat (1) is provided with a mounting groove (2), the inner cavity of the mounting groove (2) is provided with a positioning block (3), the right side of the positioning block (3) is fixedly connected with a limiting plate (4), the right side of the limiting plate (4) is fixedly connected with a fixing seat (5), the right side of the fixing seat (5) is fixedly connected with a lead screw body (6), the top and the bottom of the right side of the limiting plate (4) are provided with positioning pins (7) in a penetrating manner, the top and the bottom of the mounting seat (1) are provided with movable grooves (8), the inner cavity of each movable groove (8) is provided with a movable rod (9), the bottom of each movable rod (9) is fixedly connected with a fixture block (10), one side, far away from the movable rod (9), of each fixture block (10) extends to the inner cavity of each positioning pin (7), and the surface of each movable rod (9) is sleeved with a first spring (11), the right side sliding connection on lead screw body (6) surface has bearing housing (12), oil filler point (13) have been seted up at the top of bearing housing (12), the inner chamber of oil filler point (13) is provided with fly leaf (14), oil guide hole (15) have all been seted up to the both sides of oil filler point (13) inner chamber, the both sides of fly leaf (14) all extend to the inner chamber of oil guide hole (15), the equal fixedly connected with second spring (16) in both sides of fly leaf (14) bottom, the bottom of second spring (16) and the bottom fixed connection of oil guide hole (15) inner chamber.

2. A precision ball screw bearing according to claim 1, wherein: the top of the movable plate (14) is fixedly connected with a sealing sleeve (17), and the top of the sealing sleeve (17) extends to the outside of the bearing sleeve (12).

3. A precision ball screw bearing according to claim 1, wherein: one side fixedly connected with fixed block (18) of activity groove (8) inner chamber, one side of movable rod (9) runs through to the outside of fixed block (18) and fixedly connected with pull rod (19).

4. A precision ball screw bearing according to claim 1, wherein: a clamping groove is formed in one side of the positioning pin (7), and one side of the clamping block (10) extends to an inner cavity of the clamping groove.

5. A precision ball screw bearing according to claim 1, wherein: the inner cavity of the bearing sleeve (12) is provided with balls, and the surface of the screw rod body (6) is provided with a sliding groove matched with the balls for use.

6. A precision ball screw bearing according to claim 1, wherein: the top and the bottom of the mounting seat (1) are fixedly connected with mounting blocks (20), and mounting holes are formed in the inner cavity of the mounting blocks (20).