High-speed low-noise ball screw assembly

Abstract

The utility model discloses a high-speed low-noise ball screw pair which comprises a threaded lead screw, and the external thread of the threaded lead screw is rotationally connected with a ball screw pair. And the sound insulation assembly comprises a mute sleeve, and the mute sleeve is fixedly connected to one end of the ball screw pair. In the daily use process, the sound insulation and noise reduction effects can be achieved when the ball screw pair makes contact with the threaded lead screw through the sound insulation plate, the sound insulation and noise reduction effects can be improved in an auxiliary mode through the sound insulation cotton, and in the use process, the sound insulation and noise reduction effects of the whole device can be further improved through the sealing ring; and meanwhile, when the ball screw pair rotates, the ball screw pair can move left and right along an external thread of the threaded lead screw, dust outside the threaded lead screw can be prevented from entering the ball screw pair through a sealing ring, and the use stability of the whole device cannot be affected.

Description

Technical Field

[0001] The utility model relates to the technical field of ball screw pairs, in particular to a high-speed and low-noise ball screw pair. Background Art

[0002] With the widespread application of ball screw pairs in high-speed machine tools, medical equipment, office equipment, measuring instruments and other fields, the requirements for the operating speed and noise of ball screw pairs are becoming more and more stringent. The noise of traditional ball screw pairs during operation is mainly due to the noise generated by the collision between steel balls and the noise generated by the collision between steel balls and return devices. The smoothness of the steel ball return link not only directly affects the operating speed of the ball screw pair, but also affects the intensity of the collision between steel balls.

[0003] In the publication number CN217842561U, a high-speed and low-noise ball screw pair is disclosed. In order to solve the problem that the noise generated by the collision between the steel balls and the collision between the steel balls and the return device during the operation of the high-speed ball screw pair, and the low smoothness of the steel ball return link, the utility model is provided with a ball screw in the ball nut, a return device is provided on each side of the ball nut, and a steel ball is provided between the ball screw and the ball nut. The ball nut is provided with a return device mounting concave platform, a return device mounting threaded hole, and a steel ball return hole. The return device is provided with a limiting boss, a fixing screw mounting hole, and a ball blocking mechanism. , steel ball running channel, return ball hole connecting platform; the two return devices, the steel ball return ball hole channel in the ball nut, and the spiral raceway formed by the ball screw and the ball nut together form a circulation channel, which achieves the effect of making the steel ball run smoothly and steadily, without impact, safe and reliable, and suitable for high speed and low noise. However, the above-mentioned high-speed and low-noise ball screw pair has a relatively simple structure and does not have a sound insulation and noise reduction structure, so when the entire device is in use, the noise is too loud, which affects the environment in which the entire device is used and causes noise pollution. Therefore, it is necessary to provide a new high-speed and low-noise ball screw pair to solve the above technical problems. Utility Model Content

[0004] The purpose of the utility model is to provide a high-speed and low-noise ball screw pair, which has the advantages of sound insulation and noise reduction, improved sealing and anti-clogging, and solves the problems in the background technology.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a high-speed, low-noise ball screw pair, comprising: a threaded screw, the external thread of the threaded screw being rotatably connected to the ball screw pair; a sound insulation component, the sound insulation component comprising a silent sleeve, the silent sleeve being fixedly connected to one end of the ball screw pair. During daily use, the sound insulation board can be used to achieve the effect of sound insulation and noise reduction when the ball screw pair and the threaded screw are in contact. At the same time, the sound insulation cotton can assist in improving the sound insulation and noise reduction effect. During use, the sealing ring can further improve the sound insulation and noise reduction effect of the entire device. At the same time, when the ball screw pair rotates, it will move left and right along the external thread of the threaded screw. The sealing ring can prevent dust on the outside of the threaded screw from entering the interior of the ball screw pair, which will not affect the stability of the overall device.

[0006] Preferably, the sound insulation component also includes a sound insulation cavity, which is opened inside the silent sleeve, and a sound insulation board is fixedly connected to the inside of the sound insulation cavity. The sound insulation board is made of sound-absorbing material, and the sound insulation board can achieve the effect of sound insulation and noise reduction when the ball screw pair and the threaded screw are in contact.

[0007] Preferably, the outside of the sound insulation board is fixedly connected with sound insulation cotton, and the sound insulation cotton wraps the sound insulation board and is also fixedly connected to the inside of the soundproof sleeve.

[0008] Preferably, the other end of the ball screw pair is fixed with a sealing ring, which can prevent dust outside the threaded screw from entering the interior of the ball screw pair.

[0009] Preferably, a slot is provided inside the ball screw pair, a snap ring is provided inside the slot, the snap ring is fixedly connected to the outside of the sealing ring, and the snap ring can be clamped inside the slot to limit the sealing ring.

[0010] Preferably, the sealing ring is evenly provided with annular grooves, which can play a multi-layer protection role, improve the sealing performance and the dust blocking effect, and prevent dust from entering the interior of the ball screw pair.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0012] 1. During daily use of the utility model, the sound insulation board can achieve the effect of sound insulation and noise reduction when the ball screw pair and the threaded screw are in contact. At the same time, the sound insulation cotton can assist in improving the sound insulation and noise reduction effect. During use, the sealing ring can further improve the sound insulation and noise reduction effect of the entire device.

[0013] 2. In the present invention, when the ball screw pair rotates, it will move left and right along the external thread of the threaded screw. The sealing ring can prevent dust on the outside of the threaded screw from entering the interior of the ball screw pair, and will not affect the stability of the overall device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the external structure of the high-speed and low-noise ball screw pair of the utility model;

[0015] Figure 2 This is a schematic diagram of the disassembled structure of the high-speed and low-noise ball screw pair of the utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of the ball screw pair of the utility model high-speed and low-noise ball screw pair;

[0017] Figure 4 This is a schematic diagram of the disassembled structure of the sealing ring of the high-speed and low-noise ball screw pair of the utility model.

[0018] In the figure: 1. Threaded screw; 2. Ball screw pair; 3. Silent sleeve; 4. Sealing ring; 5. Sound insulation cotton; 6. Sound insulation board; 7. Slot; 8. Snap ring; 9. Ring groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figures 1 to 4 The utility model provides a technical solution: a high-speed and low-noise ball screw pair, comprising: a threaded screw 1, the external thread of the threaded screw 1 is rotatably connected to the ball screw pair 2; a sound insulation component, the sound insulation component includes a silent sleeve 3, and the silent sleeve 3 is fixedly connected to one end of the ball screw pair 2. During daily use, the sound insulation board 6 can make the ball screw pair 2 and the threaded screw 1 contact, so as to achieve the effect of sound insulation and noise reduction. At the same time, the sound insulation cotton 5 can assist in improving the sound insulation and noise reduction effect. During use, the sealing ring 4 can further improve the sound insulation and noise reduction effect of the entire device. At the same time, when the ball screw pair 2 rotates, it will move left and right along the external thread of the threaded screw 1. The sealing ring 4 can prevent dust from the outside of the threaded screw 1 from entering the interior of the ball screw pair 2, and will not affect the stability of the use of the entire device.

[0021] The sound insulation component also includes a sound insulation cavity, which is opened inside the silent sleeve 3. A sound insulation board 6 is fixedly connected to the inside of the sound insulation cavity. The sound insulation board 6 is made of sound-absorbing material. The sound insulation board 6 can achieve the effect of sound insulation and noise reduction when the ball screw pair 2 and the threaded screw 1 are in contact.

[0022] The outside of the sound insulation board 6 is fixedly connected with the sound insulation cotton 5 , which wraps the sound insulation board 6 and is also fixedly connected to the inside of the silent sleeve 3 .

[0023] When the high-speed and low-noise ball screw pair is in use, the sound insulation plate 6 can be used to achieve the effect of sound insulation and noise reduction when the ball screw pair 2 and the threaded screw 1 are in contact. At the same time, the sound insulation cotton 5 can assist in improving the sound insulation and noise reduction effect. During use, the sealing ring 4 can further improve the sound insulation and noise reduction effect of the entire device.

[0024] See also Figures 1 to 4 The utility model provides a technical solution: a high-speed and low-noise ball screw pair, wherein a sealing ring 4 is fixed on the other end of the ball screw pair 2, and the sealing ring 4 can prevent dust outside the threaded screw 1 from entering the interior of the ball screw pair 2.

[0025] A slot 7 is provided inside the ball screw pair 2 , and a snap ring 8 is provided inside the slot 7 . The snap ring 8 is fixedly connected to the outside of the sealing ring 4 . The snap ring 8 can be clamped inside the slot 7 to limit the sealing ring 4 .

[0026] The inside of the sealing ring 4 is evenly provided with annular grooves 9. The annular grooves 9 can play the role of multi-layer protection, improve the sealing performance and the dust blocking effect, and prevent dust from entering the interior of the ball screw pair 2.

[0027] When the high-speed and low-noise ball screw pair is in use, the ball screw pair 2 will move left and right along the external thread of the threaded screw 1 when rotating, and the sealing ring 4 can prevent dust outside the threaded screw 1 from entering the interior of the ball screw pair 2.

[0028] The standard parts used in this embodiment can be purchased directly from the market, and the non-standard structural components recorded in the specification and drawings can also be directly processed according to existing technical common sense without any doubt. At the same time, the connection method of each component adopts the conventional means mature in the existing technology, and the machinery, parts and equipment all adopt conventional models in the existing technology, so no specific description will be given here.

[0029] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. High-speed and low-noise ball screw pair, characterized by: include: A threaded screw (1), wherein the outer threads of the threaded screw (1) are rotatably connected to a ball screw pair (2); A sound insulation component, comprising a silent sleeve (3), wherein the silent sleeve (3) is fixedly connected to one end of a ball screw pair (2).

2. The high-speed, low-noise ball screw pair according to claim 1, characterized in that: The sound insulation component further comprises a sound insulation cavity, the sound insulation cavity is opened inside the soundproof sleeve (3), and a sound insulation board (6) is fixedly connected to the inside of the sound insulation cavity.

3. The high-speed, low-noise ball screw pair according to claim 2, characterized in that: The exterior of the sound insulation board (6) is fixedly connected with sound insulation cotton (5).

4. The high-speed, low-noise ball screw pair according to claim 1, characterized in that: The other end of the ball screw pair (2) is fixedly provided with a sealing ring (4).

5. The high-speed, low-noise ball screw pair according to claim 1, characterized in that: A clamping groove (7) is provided inside the ball screw pair (2), and a clamping ring (8) is clamped inside the clamping groove (7).

6. The high-speed, low-noise ball screw pair according to claim 4, characterized in that: Ring grooves (9) are evenly arranged inside the sealing ring (4).

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