CN217736041U - Standard dynamic and static electricity piezoelectric main shaft - Google Patents
Standard dynamic and static electricity piezoelectric main shaft Download PDFInfo
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- CN217736041U CN217736041U CN202221677053.3U CN202221677053U CN217736041U CN 217736041 U CN217736041 U CN 217736041U CN 202221677053 U CN202221677053 U CN 202221677053U CN 217736041 U CN217736041 U CN 217736041U
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- main shaft
- clamping ring
- stopper
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Abstract
The utility model discloses a standard sound piezoelectricity main shaft, include the base and be located the inboard sound piezoelectricity main shaft of base, sound piezoelectricity main shaft is located the perforation of seting up on the base, the surface of sound piezoelectricity main shaft is provided with the stopper, the outside of stopper is provided with the tight cover that expands, the outside of the tight cover that expands is provided with first clamping ring and second clamping ring respectively, first clamping ring and second clamping ring laminating are in the surface of base, the mounting hole has all been seted up on first clamping ring and the second clamping ring, be provided with set screw in the mounting hole. The standard dynamic and static piezoelectric main shaft is fixed by using the two expansion sleeves, and is installed by taking a dynamic and static piezoelectric main shaft shell as a reference.
Description
Technical Field
The utility model relates to a static and dynamic pressure axle technical field specifically is a standard static and dynamic pressure electricity main shaft.
Background
The dynamic and static pressure shaft bearing utilizes high-pressure oil to support the rotating shaft to operate, has the advantages of high precision, strong rigidity, long service life and the like, and has two installation modes which are commonly used at present: firstly, flange installation; and secondly, the bearing bush is tightly held. The two mounting modes have defects for the high-precision dynamic and static piezoelectric main shaft.
The flange mounting has the following defects: (1) The verticality requirement of the end face of the base of the mounting flange plate and a hole for mounting the dynamic and static piezoelectric main shaft is quite high, the machining precision is difficult to guarantee, and the dynamic and static piezoelectric main shaft is deformed after the bolts are locked if the precision is insufficient; (2) The hole machining precision for installing the dynamic and static piezoelectric main shafts is not well guaranteed, the size control is small, the installation is not performed, meanwhile, the verticality between the dynamic and static piezoelectric main shafts and the end face of the installation flange plate is not enough, the size control is large, the supporting effect is not achieved, and the installation rigidity is not enough;
the defects of the tightly-held mounting of the bearing bush are as follows: after the base hole is opened one and is lacked, the mounting hole warp and becomes oval, hold when holding the sound piezoelectricity main shaft several line contact with electric main shaft casing, rather than a face contact, the atress is concentrated and is leaded to sound piezoelectricity main shaft to warp easily when holding tightly, simultaneously, because the deflection is different, holds the power of holding tightly and does not well control, holds the little centre gripping of power of holding tightly and does not live, holds the power of holding tightly too big, leads to warping, good control.
Aiming at the problems, innovative design is urgently needed on the basis of the original dynamic and static piezoelectric main shaft.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a standard sound piezoelectricity main shaft to solve at least one technical problem that above-mentioned background art provided.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a standard sound piezoelectricity main shaft, includes the base and is located the inboard sound piezoelectricity main shaft of base, sound piezoelectricity main shaft is located the perforation of seting up on the base, the surface of sound piezoelectricity main shaft is provided with the stopper, the outside of stopper is provided with the tight cover that expands, the outside of the tight cover that expands is provided with first clamping ring and second clamping ring respectively, first clamping ring and second clamping ring laminating in the surface of base, the mounting hole has all been seted up on first clamping ring and the second clamping ring, be provided with set screw in the mounting hole.
Preferably, the limiting blocks are arranged in two groups, each group of limiting blocks are distributed on the surfaces of the dynamic and static piezoelectric main shafts at equal angles, and the limiting blocks are connected with the dynamic and static piezoelectric main shafts in a damping fit mode.
Preferably, the section of tight cover that expands is the trapezium structure with the stopper, the section of tight cover that expands and stopper inclined plane laminating each other and the orientation is opposite, the tight cover that expands is the loop configuration.
Preferably, the first pressing ring and the second pressing ring are fixedly connected with the base through fixing screws.
Preferably, the annular wall of second clamping ring is cut open and is regarded as "L" style of calligraphy structure, the opening that the diameter is less on the second clamping ring laminates with the surface of sound piezoelectricity main shaft each other.
Preferably, the mounting holes are distributed on the first pressing ring and the second pressing ring at equal angles respectively.
Compared with the prior art, the beneficial effects of the utility model are that: the standard dynamic and static piezoelectric main shaft;
1. the dynamic and static piezoelectric main shafts are fixed by using the two expansion sleeves, and the dynamic and static piezoelectric main shaft is installed by taking the dynamic and static piezoelectric main shaft shell as a reference, and the dynamic and static piezoelectric main shaft shell has high precision, the standard production precision of the expansion sleeves is high, the contact of the whole holding surface is difficult to deform, the installation is reliable, the installation is easier and more convenient, and the standard installation mode is formed;
2. the inclined surface laminating and the orientation of the inclined surface of tight cover and stopper expand are opposite, conveniently restrict the motion range of stopper, so convenient through restricting the stability that the stopper promoted the installation of sound piezoelectricity main shaft, first clamping ring and second clamping ring seal in the outside of tight cover that expands simultaneously, can prevent to carry out the tight cover itself of expanding of limiting displacement and take place the displacement condition, promote the job stabilization nature of the tight cover that expands.
Drawings
FIG. 1 is a schematic view of the overall front cut structure of the present invention;
FIG. 2 is a schematic diagram of a side view distribution structure of the limiting block of the present invention;
FIG. 3 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
fig. 4 is a schematic view of a second compression ring in a three-dimensional structure according to the present invention;
fig. 5 is a schematic view showing a sectional structure of the second pressure ring of the present invention.
In the figure: 1. a base; 2. a dynamic and static piezoelectric main shaft; 3. a limiting block; 4. expanding and tightening the sleeve; 5. a first pressure ring; 6. a second pressure ring; 7. mounting holes; 8. and fixing the screw.
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 work belong to the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a standard sound piezoelectricity main shaft, include base 1 and be located 1 inboard sound piezoelectricity main shaft 2 of base, sound piezoelectricity main shaft 2 is located the perforation of seting up on base 1, the surface of sound piezoelectricity main shaft 2 is provided with stopper 3, the outside of stopper 3 is provided with the tight cover 4 that expands, the outside of the tight cover 4 that expands is provided with first clamping ring 5 and second clamping ring 6 respectively, first clamping ring 5 and second clamping ring 6 laminate in the surface of base 1, mounting hole 7 has all been seted up on first clamping ring 5 and the second clamping ring 6, be provided with set screw 8 in the mounting hole 7.
Tight cover 4 that expands is the trapezium structure with 3 sections of stopper, and the section of a section inclined plane of tight cover 4 and stopper 3 that expand laminates each other and the orientation is opposite, and tight cover 4 that expands is the loop configuration, conveniently expands tight cover 4 and laminates the motion at stopper 3's surperficial restriction stopper 3 of stopper 3, promotes the stability of the installation of dynamic and static electricity main shaft 2.
The rampart of second clamping ring 6 is cut open and is regarded as "L" style of calligraphy structure, and the less opening of diameter is laminated each other with sound piezoelectricity main shaft 2's surface on the second clamping ring 6, makes things convenient for second clamping ring 6 to overlap 4 and contradict the restriction when, conveniently directly takes off second clamping ring 6 and the outside of the tight cover 4 follow base 1 that expands when dismantling.
Mounting hole 7 distributes at first clamping ring 5 and the equal angle of second clamping ring 6 respectively, makes things convenient for set screw 8 to evenly place through mounting hole 7 respectively on first clamping ring 5 and second clamping ring 6, has promoted the stability of first clamping ring 5 and the installation of second clamping ring 6, prevents that the pine from taking off the condition of dropping.
The working principle is as follows: firstly, alternate sound piezoelectricity main shaft 2 in the perforation of seting up on base 1, then prevent stopper 3 in the laminating of the surface of sound piezoelectricity main shaft 2, until the surface top that prevents stopper 3 broad tightly on base 1, then overlap two the first and the last both ends of sound piezoelectricity main shaft 2 with the tight cover 4 of expanding respectively, until the inclined surface of the tight cover 4 that expands and the inclined surface laminating of stopper 3, then overlap first clamping ring 5 and second clamping ring 6 respectively and locate the first and the tail both ends of sound piezoelectricity main shaft 2, until first clamping ring 5 and second clamping ring 6 carry out the top tight to the tight cover 4 that expands, then pass mounting hole 7 on first clamping ring 5 and the second clamping ring 6 with set screw 8 and screw up on base 1 again, sound piezoelectricity main shaft 2 at this moment has just accomplished stable installation.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The utility model provides a standard sound static electricity main shaft, includes base (1) and lies in sound static electricity main shaft (2) of base (1) inboard, its characterized in that: the utility model discloses a dynamic and static electricity main shaft (2) is located the perforation of seting up on base (1), the surface of dynamic and static electricity main shaft (2) is provided with stopper (3), the outside of stopper (3) is provided with bloated tight cover (4), the outside of bloated tight cover (4) is provided with first clamping ring (5) and second clamping ring (6) respectively, first clamping ring (5) and second clamping ring (6) laminate in the surface of base (1), mounting hole (7) have all been seted up on first clamping ring (5) and second clamping ring (6), be provided with set screw (8) in mounting hole (7).
2. The standard dynamic-static piezoelectric spindle according to claim 1, wherein: stopper (3) are provided with two sets ofly, every group stopper (3) all are in the equal angular distribution in the surface of sound piezoelectricity main shaft (2), be connected for the damping laminating between stopper (3) and sound piezoelectricity main shaft (2).
3. The standard dynamic-static piezoelectric spindle according to claim 1, wherein: expand tight cover (4) and stopper (3) section view and be the trapezium structure, the section view inclined plane of tight cover (4) and stopper (3) of expanding is laminated each other and is faced opposite, tight cover (4) expand is annular structure.
4. The standard dynamic-static piezoelectric spindle according to claim 1, wherein: first clamping ring (5) and second clamping ring (6) all pass through set screw (8) and base (1) fixed connection.
5. The standard dynamic-static piezoelectric spindle according to claim 1, wherein: the ring wall of second clamping ring (6) is cut open and is regarded as "L" style of calligraphy structure, the less opening of diameter is laminated each other with the surface of sound piezoelectricity main shaft (2) on second clamping ring (6).
6. The standard dynamic-static piezoelectric main shaft according to claim 1, which is characterized in that: the mounting holes (7) are distributed on the first pressing ring (5) and the second pressing ring (6) at equal angles respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221677053.3U CN217736041U (en) | 2022-07-01 | 2022-07-01 | Standard dynamic and static electricity piezoelectric main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221677053.3U CN217736041U (en) | 2022-07-01 | 2022-07-01 | Standard dynamic and static electricity piezoelectric main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217736041U true CN217736041U (en) | 2022-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221677053.3U Active CN217736041U (en) | 2022-07-01 | 2022-07-01 | Standard dynamic and static electricity piezoelectric main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217736041U (en) |
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2022
- 2022-07-01 CN CN202221677053.3U patent/CN217736041U/en active Active
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