CN220204568U - Ball screw rotation-preventing noise-reducing device - Google Patents
Ball screw rotation-preventing noise-reducing device Download PDFInfo
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- CN220204568U CN220204568U CN202321239319.0U CN202321239319U CN220204568U CN 220204568 U CN220204568 U CN 220204568U CN 202321239319 U CN202321239319 U CN 202321239319U CN 220204568 U CN220204568 U CN 220204568U
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- rotation
- ball screw
- screw
- nut
- noise reduction
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- 230000009467 reduction Effects 0.000 claims abstract description 26
- 229920006351 engineering plastic Polymers 0.000 claims description 6
- 238000005461 lubrication Methods 0.000 claims description 4
- 239000002184 metal Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 230000033001 locomotion Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005299 abrasion Methods 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model discloses a ball screw anti-rotation noise reduction device, which comprises: the screw rod nut is sleeved on the ball screw rod, and one end of the screw rod nut is fixedly connected with the pressure building piston of the PSU cylinder body; the ball screw is inserted into the screw nut and the pressure building piston; the anti-rotation sleeve is sleeved on the screw rod nut and the pressure building piston; the anti-rotation sliding piece is formed on the screw nut and is positioned between the anti-rotation sliding piece and the anti-rotation sleeve. The utility model reduces the noise generated by the direct surface contact of the screw nut and the anti-rotation sleeve, avoids the metal contact between the screw nut and the anti-rotation sleeve, reduces the noise, and reduces the noise generated at the contact position of the anti-rotation sleeve and the PSU cylinder body due to the disturbance of the bearing, the assembly, the bearing and the like.
Description
Technical Field
The utility model relates to the field of machinery, in particular to a ball screw anti-rotation noise reduction device for converting rotation into linear motion.
Background
Ball screws are ideal products for converting rotary motion to linear motion, or vice versa. 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. Ball screws are widely used in various industrial equipment and precision instruments due to their small frictional resistance.
In the field of mechanical braking at present, two structural modes mainly exist in a ball screw anti-rotation device:
1. the nut is fixed by embedding steel columns and the like, and when the screw shaft rotates, the torque of the motor is converted into translational thrust, so that the nut translates, and the pressure is built. But does not take into account the noise generated by the workpiece during operation; the problem of great difficulty in disassembly, assembly and maintenance of parts.
2. The other is to set a guide key, so that a small gap exists between the guide key and the guide groove, the torque of the motor is converted into translational thrust, and the nut slightly rotates, so that the pressure building process is hardly affected. However, the noise problem generated in the working process of the workpiece and the long-term friction and knocking of metals are not considered, so that serious abrasion problem can occur, and the vibration amplitude of the nut becomes larger along with the increase of the abrasion degree in the working process.
Disclosure of Invention
In the summary section, a series of simplified form concepts are introduced that are all prior art simplifications in the section, which are described in further detail in the detailed description section. The summary of the utility model is not intended to define the key features and essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
The utility model aims to solve the technical problem of providing the ball screw anti-rotation noise reduction device which can reduce the production noise caused by disturbance of bearings, assembly, bearing and the like in the movement process of a screw.
In order to solve the technical problems, the ball screw anti-rotation noise reduction device provided by the utility model comprises:
the screw rod nut 4 is sleeved on the ball screw rod 1, and one end of the screw rod nut is fixedly connected with the pressure building piston 6 of the cylinder body 3;
a ball screw 1 inserted into a screw nut 4 and a pressure build-up piston 6;
the anti-rotation sleeve 2 is sleeved on the screw nut 4 and the pressure building piston 6;
an anti-rotation slider formed on the screw nut 4 between the screw nut 4 and the anti-rotation sleeve 2.
Optionally, the ball screw anti-rotation noise reduction device is further improved, and the screw nut 4 and the pressure building piston 6 are fixedly connected through interference.
Optionally, further improve ball prevent changeing noise reduction device, prevent changeing slider and include: the anti-rotation sliding block 5 seat is fixed on the outer wall of the screw nut 4, and the anti-rotation sliding block 5 is fixed in the anti-rotation sliding block 5 seat;
the sliding rail is formed on the inner side wall of the anti-rotation sleeve 2;
the anti-rotation slider 5 can slide along the slide rail.
Optionally, the ball screw anti-rotation noise reduction device is further improved, and the anti-rotation sliding block 5 is made of engineering plastics.
Optionally, the ball screw anti-rotation noise reduction device is further improved, and the anti-rotation sliding block 5 seat is welded and fixed on the outer wall of the screw nut 4
Optionally, the ball screw anti-rotation noise reduction device is further improved, and a lubrication layer is formed on the anti-rotation sliding block 5.
Optionally, the ball screw anti-rotation noise reduction device is further improved, and when the number of the anti-rotation sliding pieces is greater than one, the anti-rotation sliding pieces are uniformly distributed on the outer wall of the screw nut 4.
Optionally, the ball screw anti-rotation noise reduction device is further improved, and a connecting convex part 7 is formed on the anti-rotation sleeve 2 at the connection part with the cylinder body 3 and is inserted into the connecting concave part 8;
a connection recess 8 formed on the cylinder 3 at the connection with the anti-rotation sleeve 2;
a connection fixing member 9 inserted through the connection convex portion 7 and fixed in the connection concave portion 8;
and a vibration/noise reduction member 10 formed between the coupling convex portion 7 and the coupling concave portion 8.
The working principle of the utility model is as follows:
1. the utility model designs the anti-rotation sliding piece, and reduces the noise generated by direct surface contact between the screw nut and the anti-rotation sleeve 2.
2. The sliding block of the anti-rotation sliding piece adopts engineering plastics, so that metal contact between the screw rod nut and the anti-rotation sleeve 2 is avoided, and noise is reduced.
3. On the basis of the technical effect of the 2 nd point, because the sliding block adopts engineering plastics and is provided with a lubricating layer, the noise is further reduced.
4. The connecting convex part 7 and the connecting concave part 8 are designed with the damping and noise reducing parts 10, so that noise generated at the contact position of the anti-rotation sleeve 2 and the cylinder body due to disturbance generated by a bearing, assembly, bearing and the like is reduced.
Drawings
The accompanying drawings are intended to illustrate the general features of methods, structures and/or materials used in accordance with certain exemplary embodiments of the utility model, and supplement the description in this specification. The drawings of the present utility model, however, are schematic illustrations that are not to scale and, thus, may not be able to accurately reflect the precise structural or performance characteristics of any given embodiment, the present utility model should not be construed as limiting or restricting the scope of the numerical values or attributes encompassed by the exemplary embodiments according to the present utility model. The utility model is described in further detail below with reference to the attached drawings and detailed description:
fig. 1 is a schematic structural view of a first embodiment of the present utility model.
Fig. 2 is a schematic structural diagram of a first embodiment of the present utility model.
Fig. 3 is a schematic structural view of a third embodiment of the present utility model.
Description of the reference numerals
Ball screw 1
Anti-rotation sleeve 2
Cylinder 3
Screw nut 4
Anti-rotation slider 5
Pressure build-up piston 6
Connection protrusion 7
Connection recess 8
Connecting fixture 9
Damping noise reduction member 10.
Detailed Description
Other advantages and technical effects of the present utility model will become more fully apparent to those skilled in the art from the following disclosure, which is a detailed description of the present utility model given by way of specific examples. The utility model may be practiced or carried out in different embodiments, and details in this description may be applied from different points of view, without departing from the general inventive concept. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict. The following exemplary embodiments of the present utility model may be embodied in many different forms and should not be construed as limited to the specific embodiments set forth herein. It should be appreciated that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the technical solution of these exemplary embodiments to those skilled in the art. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may be present. In contrast, when an element is referred to as being "directly connected" or "directly coupled" to another element, there are no intervening elements present. Like reference numerals refer to like elements throughout the several views.
A first embodiment;
as shown in fig. 1 and 2, the present utility model provides a ball screw anti-rotation noise reduction device, comprising:
the screw rod nut 4 is sleeved on the ball screw rod 1, and one end of the screw rod nut is fixedly connected with the pressure building piston 6 of the cylinder body 3;
a ball screw 1 inserted into a screw nut 4 and a pressure build-up piston 6;
the anti-rotation sleeve 2 is sleeved on the screw nut 4 and the pressure building piston 6;
an anti-rotation slider formed on the screw nut 4 between the screw nut 4 and the anti-rotation sleeve 2.
Alternatively, the screw nut 4 and the pressure building piston 6 are fixedly connected by interference.
A second embodiment;
as shown in fig. 1 and 2, the present utility model provides a ball screw anti-rotation noise reduction device, comprising:
the screw rod nut 4 is sleeved on the ball screw rod 1, and one end of the screw rod nut is fixedly connected with the pressure building piston 6 of the cylinder body 3;
a ball screw 1 inserted into a screw nut 4 and a pressure build-up piston 6;
the anti-rotation sleeve 2 is sleeved on the screw nut 4 and the pressure building piston 6;
an anti-rotation slider formed on the screw nut 4 between the screw nut 4 and the anti-rotation sleeve 2, comprising: the anti-rotation sliding block 5 seat is fixed on the outer wall of the screw nut 4, and the anti-rotation sliding block 5 is fixed in the anti-rotation sliding block 5 seat;
the sliding rail is formed on the inner side wall of the anti-rotation sleeve 2;
the anti-rotation slider 5 can slide along the slide rail.
Alternatively, the screw nut 4 and the pressure building piston 6 are fixedly connected by interference.
Alternatively, the anti-rotation sliding block 5 is made of engineering plastics, and the anti-rotation sliding block 5 seat is welded and fixed on the outer wall of the screw nut 4.
Optionally, a lubrication layer is formed on the anti-rotation slider 5.
Alternatively, when the number of the anti-rotation sliding pieces is more than one, the anti-rotation sliding pieces are uniformly distributed on the outer wall of the screw nut 4. The number of anti-rotation slides is preferably 2.
A third embodiment;
as shown in fig. 3 in combination with fig. 1 and 2, the present utility model provides a ball screw anti-rotation noise reduction device, including:
the screw rod nut 4 is sleeved on the ball screw rod 1, and one end of the screw rod nut is fixedly connected with the pressure building piston 6 of the cylinder body 3;
a ball screw 1 inserted into a screw nut 4 and a pressure build-up piston 6;
the anti-rotation sleeve 2 is sleeved on the screw nut 4 and the pressure building piston 6;
an anti-rotation slider formed on the screw nut 4 between the screw nut 4 and the anti-rotation sleeve 2, comprising: the anti-rotation sliding block 5 seat is fixed on the outer wall of the screw nut 4, and the anti-rotation sliding block 5 is fixed in the anti-rotation sliding block 5 seat;
the sliding rail is formed on the inner side wall of the anti-rotation sleeve 2;
the anti-rotation sliding block 5 can slide along the sliding rail;
a connection protrusion 7 formed on the anti-rotation sleeve 2 at the connection with the cylinder 3, which is inserted into the connection recess 8;
a connection recess 8 formed on the cylinder 3 at the connection with the anti-rotation sleeve 2;
a connection fixing member 9 inserted through the connection convex portion 7 and fixed in the connection concave portion 8;
and a vibration/noise reduction member 10 formed between the coupling convex portion 7 and the coupling concave portion 8.
Alternatively, the screw nut 4 and the pressure building piston 6 are fixedly connected by interference.
Alternatively, the anti-rotation sliding block 5 is made of engineering plastics, and the anti-rotation sliding block 5 seat is welded and fixed on the outer wall of the screw nut 4.
Optionally, a lubrication layer is formed on the anti-rotation slider 5.
Alternatively, when the number of the anti-rotation sliding pieces is more than one, the anti-rotation sliding pieces are uniformly distributed on the outer wall of the screw nut 4. The number of anti-rotation slides is preferably 2.
Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The present utility model has been described in detail by way of specific embodiments and examples, but these should not be construed as limiting the utility model. Many variations and modifications may be made by one skilled in the art without departing from the principles of the utility model, which is also considered to be within the scope of the utility model.
Claims (8)
1. The utility model provides a ball prevents changeing noise reduction device which characterized in that includes:
the screw rod nut (4) is sleeved on the ball screw rod (1), and one end of the screw rod nut is fixedly connected with the pressure building piston (6) of the cylinder body (3);
a ball screw (1) inserted into the screw nut (4) and the pressure-build-up piston (6);
the anti-rotation sleeve (2) is sleeved on the screw nut (4) and the pressure building piston (6);
and an anti-rotation sliding part formed on the screw nut (4) and positioned between the screw nut (4) and the anti-rotation sleeve (2).
2. The ball screw anti-rotation noise reduction device according to claim 1, wherein: the screw nut (4) and the pressure building piston (6) are fixedly connected through interference.
3. The ball screw anti-rotation noise reduction device according to claim 1, wherein the anti-rotation slider comprises: a rotation-preventing sliding block (5) seat fixed on the outer wall of the screw nut (4) and a rotation-preventing sliding block (5) fixed in the rotation-preventing sliding block (5) seat;
the sliding rail is formed on the inner side wall of the anti-rotation sleeve (2);
the anti-rotation sliding block (5) can slide along the sliding rail.
4. The ball screw anti-rotation noise reduction device according to claim 3, wherein: the anti-rotation sliding block (5) is made of engineering plastics.
5. The ball screw anti-rotation noise reduction device according to claim 3, wherein: the anti-rotation sliding block (5) seat is welded and fixed on the outer wall of the screw nut (4).
6. The ball screw anti-rotation noise reduction device according to claim 3, wherein: a lubrication layer is formed on the anti-rotation sliding block (5).
7. The ball screw anti-rotation noise reduction device according to claim 3, wherein: when the number of the anti-rotation sliding parts is more than one, the anti-rotation sliding parts are uniformly distributed on the outer wall of the screw rod nut (4).
8. The ball screw anti-rotation noise reduction device according to claim 1, wherein:
a connection protrusion (7) formed on the anti-rotation sleeve (2) at the connection with the cylinder (3), which is inserted into the connection recess (8);
a connection recess (8) formed in the cylinder (3) at the connection with the anti-rotation sleeve (2);
a connection fixing member (9) inserted through the connection convex portion (7) and fixed in the connection concave portion (8);
and a vibration/noise reduction member (10) formed between the connection convex portion (7) and the connection concave portion (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321239319.0U CN220204568U (en) | 2023-05-22 | 2023-05-22 | Ball screw rotation-preventing noise-reducing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321239319.0U CN220204568U (en) | 2023-05-22 | 2023-05-22 | Ball screw rotation-preventing noise-reducing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220204568U true CN220204568U (en) | 2023-12-19 |
Family
ID=89156570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321239319.0U Active CN220204568U (en) | 2023-05-22 | 2023-05-22 | Ball screw rotation-preventing noise-reducing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220204568U (en) |
-
2023
- 2023-05-22 CN CN202321239319.0U patent/CN220204568U/en active Active
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