CN219734123U - Ball screw anti-shake device - Google Patents

Abstract

The utility model discloses a ball screw anti-shake device, and relates to the technical field of ball screws. The utility model comprises a screw rod, a nut and an extension ring, wherein the nut is embedded on the peripheral side surface of the screw rod, the nut is in threaded fit with the peripheral side surface of the screw rod, the extension ring is welded at one end of the nut, a plurality of mounting grooves are formed in the peripheral side surface of the extension ring, a damper is welded on the bottom surface inside each mounting groove, a sliding rod is welded at one end of the damper, the peripheral side surface of the sliding rod is in sliding fit with the mounting grooves, one end of the sliding rod extends to the outside of each mounting groove, a ball is embedded at one end of the sliding rod, and the ball is in rotating fit with one end of the sliding rod. The utility model is convenient to fix the track of the nut during the movement through the ball, the damper and the anti-shake ring structure, and simultaneously is convenient to buffer the vibration conducted by the outside, so that the shaking between the nut and the screw rod is avoided, and the stability of the nut during the use is ensured.

Description

Ball screw anti-shake device

Technical Field

The utility model belongs to the technical field of ball screws, and particularly relates to a ball screw anti-shake device.

Background

Ball screw is an ideal product for converting rotary motion into linear motion or converting linear motion into rotary motion. The ball screw is a transmission element most commonly used on tool machines and precision machines, and has the main function of converting rotary motion into linear motion or converting torque into axial repeated acting force, and simultaneously has the characteristics of high precision, reversibility and high efficiency. However, when the screw rod is used under the working condition that some vibrations are relatively strong, the screw rod and the nut are easy to slightly shake, so that the connectivity of the screw rod in work is affected.

Disclosure of Invention

The utility model aims to provide a ball screw anti-shake device which solves the problem of easy shake in the prior art.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a ball screw anti-shake device which comprises a screw rod, a nut and an extension ring, wherein the nut is embedded on the peripheral side surface of the screw rod, the nut is in threaded fit with the peripheral side surface of the screw rod, the extension ring is welded at one end of the nut, a plurality of mounting grooves are formed in the peripheral side surface of the extension ring, a damper is welded on the bottom surface inside the mounting grooves, a sliding rod is welded at one end of the damper, the peripheral side surface of the sliding rod is in sliding fit with the mounting grooves, one end of the sliding rod extends to the outside of the mounting grooves, a ball is embedded at one end of the sliding rod, the ball is in running fit with one end of the sliding rod, the track of the nut during movement is conveniently fixed, vibration conducted outside is conveniently buffered, shake between the nut and the screw rod is avoided, and stability of the ball screw rod during use is ensured.

Further, the extension ring outside is provided with the mounting panel, the mounting panel is annular plate body structure, the welding of the inside week side of mounting panel has and prevents shaking the ring, prevent shaking the inside week side of ring and be provided with and prevent shaking the groove.

Further, a surface inside the anti-shake groove is matched with the balls, and the balls are in sliding fit with the anti-shake groove.

Further, a first supporting base is arranged at one end of the screw rod, a first bearing plate is arranged on one surface of the first supporting base, and the first bearing plate is arranged on the peripheral side face of the screw rod.

Further, the first bearing plate is in running fit with the peripheral side face of the screw rod, a second supporting base is embedded at the other end of the screw rod, and a second bearing plate is arranged on one surface of the second supporting base.

Further, the second bearing plate is embedded in the peripheral side face of the screw rod, the second bearing plate is in running fit with the screw rod, movement of the screw rod is facilitated, and meanwhile the position of the mounting plate is conveniently fixed through the connecting rod structure, so that stability of the screw rod in use is guaranteed.

Further, connecting rods are welded at two ends of two opposite surfaces of the screw rod, and one ends of the two connecting rods are welded with one surfaces of the first support base and the second support base respectively.

The utility model has the following beneficial effects:

1. the utility model is convenient to fix the track of the nut during the movement through the ball, the damper and the anti-shake ring structure, and simultaneously is convenient to buffer the vibration conducted by the outside, so that the shaking between the nut and the screw rod is avoided, and the stability of the nut during the use is ensured.

2. According to the utility model, the first support base and the second support base are used for facilitating the movement of the screw rod, and the connecting rod structure is matched for facilitating the fixing of the position of the mounting plate, so that the stability of the mounting plate in use is ensured.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a ball screw anti-shake apparatus according to the present utility model;

FIG. 2 is a schematic rear view of a ball screw anti-shake apparatus according to the present utility model;

FIG. 3 is a schematic view showing the internal structure of the installation groove in the present utility model;

FIG. 4 is a schematic left-hand view of a ball screw anti-sloshing apparatus according to the present utility model;

fig. 5 is a schematic diagram showing a front view of a ball screw anti-sloshing device according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a screw rod; 2. a nut; 3. an extension ring; 4. a mounting groove; 5. a damper; 6. a slide bar; 7. a ball; 8. a mounting plate; 9. an anti-shake ring; 10. an anti-sloshing groove; 11. a first support base; 12. a first bearing plate; 13. a second support base; 14. a second bearing plate; 15. and (5) connecting a rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

In the description of the present utility model, it should be understood that the terms "upper," "middle," "outer," "inner," and the like indicate an orientation or a positional relationship, and are merely for convenience of describing the present utility model and simplifying the description, but do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Embodiment one:

referring to fig. 1-5, the utility model discloses a ball screw anti-shake device, which comprises a screw 1, a nut 2 and an extension ring 3, wherein the nut 2 is embedded on the circumferential side surface of the screw 1, the nut 2 is in threaded connection with the circumferential side surface of the screw 1, the extension ring 3 is welded at one end of the nut 2, a plurality of mounting grooves 4 are arranged on the circumferential side surface of the extension ring 3, a damper 5 is welded on the bottom surface inside the mounting grooves 4, one end of the damper 5 is welded with a sliding rod 6, the circumferential side surface of the sliding rod 6 is in sliding fit with the mounting grooves 4, one end of the sliding rod 6 extends to the outside of the mounting grooves 4, one end of the sliding rod 6 is provided with a ball 7, the ball 7 is in running fit with one end of the sliding rod 6, the track of the nut 2 is conveniently fixed, simultaneously, the vibration conducted by the outside is conveniently buffered, shake between the nut 2 and the screw 1 is avoided, stability in use is ensured, two opposite surfaces of the screw 1 are welded with connecting rods 15, and one ends of the two connecting rods 15 are respectively welded with one surface of a first supporting base 11 and a second supporting base 13.

The extension ring 3 outside is provided with mounting panel 8, and mounting panel 8 is annular plate body structure, and the welding of mounting panel 8 inside week side has prevents shaking ring 9, prevents shaking ring 9 inside week side and is provided with prevents shaking groove 10, prevents shaking between groove 10 inside surface and the ball 7 mutually support, and the ball 7 is with preventing shaking between the groove 10 sliding fit.

The first supporting base 11 is inlayed to lead screw 1 one end, and first bearing plate 12 is inlayed to first supporting base 11 surface, and first bearing plate 12 is inlayed and is being gone up in lead screw 1 week side, and normal running fit between first bearing plate 12 and the lead screw 1 week side, and lead screw 1 other end is inlayed and is had second supporting base 13, and a surface of second supporting base 13 is provided with second bearing plate 14.

The second bearing plate 14 is embedded in the circumferential side surface of the screw rod 1, and the second bearing plate 14 is in running fit with the screw rod 1, so that the screw rod 1 can conveniently move, and meanwhile, the position of the mounting plate 8 can be conveniently fixed through the structure of the matched connecting rod 15, and the stability of the screw rod is guaranteed during use.

Embodiment two:

referring to fig. 1 to 5, the present utility model is a ball screw anti-shake device, which comprises: through the structures of the ball 7, the damper 5 and the anti-shake ring 9, the track of the nut 2 during movement is conveniently fixed, and meanwhile, the vibration conducted by the outside is conveniently buffered, so that the shaking between the nut 2 and the screw rod 1 is avoided, and the stability of the nut during use is ensured; simultaneously through first supporting base 11 and second supporting base 13 structure, make things convenient for the motion of lead screw 1, be convenient for the position of fixed mounting panel 8 through cooperation connecting rod 15 structure simultaneously, guarantee its stability when using.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, 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 present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form 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 utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims (7)

1. The utility model provides a ball screw prevents shaking device, includes lead screw (1), nut (2) and extension ring (3), its characterized in that: screw rod (1) week side is inlayed in nut (2), screw joint cooperation between nut (2) and screw rod (1) week side, extension ring (3) welding is in nut (2) one end, extension ring (3) week side is provided with a plurality of mounting grooves (4), inside bottom surface welding of mounting groove (4) has attenuator (5), attenuator (5) one end welding has slide bar (6), sliding fit between slide bar (6) week side and mounting groove (4), slide bar (6) one end extends to the mounting groove (4) outside, ball (7) have been inlayed to slide bar (6) one end dress, ball (7) and slide bar (6) one end pivoted fit.

2. The ball screw anti-shake device according to claim 1, wherein a mounting plate (8) is arranged on the outer side of the extension ring (3), the mounting plate (8) is of an annular plate body structure, an anti-shake ring (9) is welded on the inner peripheral side surface of the mounting plate (8), and an anti-shake groove (10) is formed in the inner peripheral side surface of the anti-shake ring (9).

3. A ball screw anti-sloshing apparatus according to claim 2, characterized in that a surface inside the anti-sloshing groove (10) is engaged with the balls (7), and the balls (7) are slidably engaged with the anti-sloshing groove (10).

4. The ball screw anti-shake device according to claim 1, wherein a first supporting base (11) is mounted at one end of the screw (1), a first bearing plate (12) is mounted on one surface of the first supporting base (11), and the first bearing plate (12) is mounted on the peripheral side surface of the screw (1).

5. The ball screw anti-shake device according to claim 4, wherein the first bearing plate (12) is in running fit with the peripheral side surface of the screw (1), a second support base (13) is embedded at the other end of the screw (1), and a second bearing plate (14) is arranged on one surface of the second support base (13).

6. A ball screw anti-sloshing apparatus according to claim 5, characterized in that the second bearing plate (14) is fitted around the screw (1), and the second bearing plate (14) is in a rotational fit with the screw (1).

7. A ball screw anti-shake device according to claim 1, characterized in that two opposite ends of the screw (1) are welded with connecting rods (15), and one ends of two connecting rods (15) are welded with one surface of the first support base (11) and one surface of the second support base (13), respectively.