CN218063281U

CN218063281U - Precise ball screw with long service life

Info

Publication number: CN218063281U
Application number: CN202220865278.5U
Authority: CN
Inventors: 竺静华
Original assignee: Lishui Huameate Bearing Manufacturing Co ltd
Current assignee: Lishui Huameate Bearing Manufacturing Co ltd
Priority date: 2022-04-14
Filing date: 2022-04-14
Publication date: 2022-12-16
Anticipated expiration: 2032-04-14

Abstract

The utility model discloses an accurate ball screw of high life relates to ball screw technical field. The utility model discloses a fixing base, fixing base internal surface mounting has the location slide bar, location slide bar surface and mounting panel internal surface connection, fixing base internal surface mounting has the installation sleeve, installation sleeve internal surface mounting has the lead screw, lead screw surface mounting has the mounting panel, mounting panel external surface mounting has the nut, the nut internal surface is provided with the mounting groove, mounting groove internal surface mounting has the ball, the nut internal surface is provided with the recess, recess internal surface mounting has solid fixed pressing plate. The utility model discloses a setting of the inside recess of nut and the installation of the inside fixed pressing plate of recess utilize adjusting bolt's installation, through adjusting bolt, drive fixed pressing plate and remove to adjust the distance between fixed pressing plate and the ball, thereby the rolling elasticity degree of the inside ball of adjusting nut can avoid appearing the inseparable problem of ball screw mechanical transmission.

Description

Precise ball screw with long service life

Technical Field

The utility model belongs to the technical field of ball screw, especially, relate to an accurate ball screw of high life.

Background

The ball screw is the most commonly used transmission element on tool machinery and precision machinery, the main function of the ball screw is to convert rotary motion into linear motion or convert torque into axial repeated acting force, and the ball screw has the characteristics of high precision, reversibility and high efficiency.

However, the rolling tightness degree of the balls in the circulating channel cannot be precisely adjusted in the general ball screw prepressing process, so that the mechanical transmission of the ball screw is not tight enough; moreover, traditional ball screw comprises lead screw, nut and ball, and the live time can produce clearance and eccentric motion after having of a specified duration because of wearing and tearing, leads to the precision to descend, shortens life.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a precision ball screw of high life solves current problem.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to a high life accurate ball screw, which comprises a fixed base, fixing base internally surface mounted has the location slide bar, location slide bar surface and mounting panel internal surface are connected, fixing base internally surface mounted has the installation sleeve, installation sleeve internally surface mounted has the lead screw, lead screw surface mounted has the mounting panel, mounting panel externally surface mounted has the nut, the nut internal surface is provided with the mounting groove, mounting groove internally surface mounted has the ball, the nut internal surface is provided with the recess, recess internal surface mounted has solid fixed pressing plate, gu fixed pressing plate externally surface mounted has adjusting bolt, through the setting of the inside recess of nut and the installation of the inside solid fixed pressing plate of recess, utilize adjusting bolt's installation, through adjusting bolt, drive solid fixed pressing plate and remove to adjust the distance between solid fixed pressing plate and the ball, thereby the roll elasticity degree of the inside ball of adjusting nut can avoid appearing ball mechanical transmission inseparable problem enough.

Preferably, fixing base internally surface mounting has sliding guide, the sliding guide internal surface is provided with the sliding tray, mounting panel surface mounting has the sliding block, sliding tray internal surface and sliding block surface connection, installation in the installation through sliding guide utilizes the inside sliding tray internal surface of sliding guide and sliding block surface, cooperation location slide bar surface and mounting panel internal surface between be connected to the assurance has a fine guide effect to whole mechanism, thereby prolongs ball screw's life, has improved ball screw's precision.

Preferably, the nut internal surface is provided with the standing groove, standing groove internal surface mounting has the locating plate, locating plate surface mounting has a plurality of positioning bolt, the mounting panel internal surface is provided with the fixed slot, fixed slot internal surface mounting has the briquetting, briquetting surface mounting has a plurality of fixing bolt.

The utility model discloses following beneficial effect has:

the utility model discloses a setting of the inside recess of nut and the installation of the inside fixed pressing plate of recess utilize adjusting bolt's installation, through adjusting bolt, drive the fixed pressing plate and remove to adjust the distance between fixed pressing plate and the ball, thereby adjust the rolling elasticity degree of the inside ball of nut, can avoid appearing the problem that ball mechanical transmission is not inseparable enough; the installation of the sliding guide rail is utilized to install the inner surface of the sliding groove in the sliding guide rail and the outer surface of the sliding block, and the outer surface of the sliding rod is matched with the inner surface of the installation plate to be connected, so that the whole mechanism is guaranteed to have a good guiding effect, the service life of the ball screw is prolonged, and the precision of the ball screw is improved.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

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

FIG. 3 isbase:Sub>A schematic view of the cross-sectional structure A-A of FIG. 2;

FIG. 4 is an enlarged view of a portion A of FIG. 3;

fig. 5 is a schematic top view of the present invention.

In the drawings, the reference numbers indicate the following list of parts:

1. a fixed seat; 2. positioning the slide bar; 3. mounting a plate; 4. a nut; 5. installing a sleeve; 6. a screw rod; 7. mounting grooves; 8. a ball bearing; 9. a groove; 10. fixing the pressing plate; 11. adjusting the bolt; 12. a placement groove; 13. positioning a plate; 14. positioning a bolt; 15. a sliding guide rail; 16. a sliding groove; 17. a slider; 18. a fixing groove; 19. briquetting; 20. and fixing the bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, it should 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 meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

As shown in the figure, the utility model relates to a high-precision ball screw of life, including

fixing base

1, 1 internal surface mounting of fixing base has

location slide bar

2, 2 surfaces of location slide bar and 3 internal surface connections of mounting panel, 1 internal surface mounting of fixing base has

installation sleeve

5, 5 internal surface mounting of installation sleeve have

lead screw

6, 6 external surface mounting of lead screw has

mounting panel

3, 3 external surface mounting of mounting panel has

nut

4, 4 internal surfaces of nut are provided with

mounting groove

7, 7 internal surface mounting of mounting groove has

ball

8, 4 internal surfaces of nut are provided with

recess

9, 9 internal surface mounting of recess has fixed

clamp plate

10, 10 external surface mounting of fixed clamp plate has adjusting bolt 11, through the setting of 4 inside recess 9 of nut and the installation of the inside fixed clamp plate 10 of recess 9, utilize adjusting bolt 11's installation, through adjusting bolt 11, drive fixed clamp plate 10 removes, thereby adjust the distance between fixed clamp plate 10 and the ball 8, thereby adjust 4 inside ball 6's the roll elasticity degree of nut, can avoid appearing ball mechanical transmission inseparable problem.

Wherein, the internal surface mounting of fixing base 1 has sliding guide 15, sliding guide 15 internal surface is provided with sliding tray 16, the external surface mounting of mounting panel 3 has sliding block 17, the internal surface of sliding tray 16 is connected with sliding block 17 surface, utilize the installation in the internal surface of sliding tray 16 of sliding guide 15 and sliding block 17 surface through the installation of sliding guide 15, cooperate the connection between 2 external surfaces of location slide bar and the 3 internal surfaces of mounting panel, thereby guarantee to have a fine guide effect to whole mechanism, thereby prolong ball screw's life, ball screw's precision has been improved.

The inner surface of the nut 4 is provided with a placing groove 12, the inner surface of the placing groove 12 is provided with a positioning plate 13, the outer surface of the positioning plate 13 is provided with a plurality of positioning bolts 14, the inner surface of the mounting plate 3 is provided with a fixing groove 18, the inner surface of the fixing groove 18 is provided with a pressing block 19, and the outer surface of the pressing block 19 is provided with a plurality of fixing bolts 20.

The utility model relates to a high-life precision ball screw, through the setting of the internal groove 9 of the nut 4 and the installation of the internal fixed pressing plate 10 of the groove 9, the fixed pressing plate 10 is driven to move by adjusting the adjusting bolt 11 through the installation of the adjusting bolt 11, thereby the distance between the fixed pressing plate 10 and the ball 8 is adjusted, thereby the rolling tightness degree of the ball 8 in the nut 4 is adjusted, and the problem that the mechanical transmission of the ball screw is not tight enough can be avoided; the installation of the sliding guide rail 15 utilizes the installation of the inner surface of the sliding groove 16 in the sliding guide rail 15 and the outer surface of the sliding block 17 to match and position the connection between the outer surface of the sliding rod 2 and the inner surface of the installation plate 3, thereby ensuring that the whole mechanism has a good guiding function, prolonging the service life of the ball screw and improving the precision of the ball screw.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise forms disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a precision ball screw of high life, includes fixing base (1), its characterized in that: fixing base (1) internal surface mounting has installation sleeve (5), installation sleeve (5) internal surface mounting has lead screw (6), lead screw (6) surface mounting has mounting panel (3), mounting panel (3) surface mounting has nut (4), nut (4) internal surface is provided with mounting groove (7), mounting groove (7) internal surface mounting has ball (8), nut (4) internal surface is provided with recess (9), recess (9) internal surface mounting has stationary platen (10), stationary platen (10) surface mounting has adjusting bolt (11).

2. A precision ball screw with a long service life according to claim 1, characterized in that a sliding guide rail (15) is installed on the inner surface of the fixed seat (1), and a sliding groove (16) is arranged on the inner surface of the sliding guide rail (15).

3. A high-life precision ball screw according to claim 2, characterized in that the outer surface of the mounting plate (3) is provided with a sliding block (17), and the inner surface of the sliding groove (16) is connected with the outer surface of the sliding block (17).

4. The precision ball screw with long service life according to claim 1, is characterized in that a positioning slide rod (2) is installed on the inner surface of the fixed seat (1), and the outer surface of the positioning slide rod (2) is connected with the inner surface of the mounting plate (3).

5. The high-service-life precision ball screw according to claim 1, wherein the nut (4) is provided with a placing groove (12) on the inner surface, a positioning plate (13) is mounted on the inner surface of the placing groove (12), and a plurality of positioning bolts (14) are mounted on the outer surface of the positioning plate (13).

6. The precision ball screw with long service life according to claim 1, characterized in that the mounting plate (3) is provided with a fixing groove (18) on the inner surface, a pressing block (19) is mounted on the inner surface of the fixing groove (18), and a plurality of fixing bolts (20) are mounted on the outer surface of the pressing block (19).