CN217290437U - Electric spindle based on dynamic pressure sliding bearing - Google Patents
Electric spindle based on dynamic pressure sliding bearing Download PDFInfo
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- CN217290437U CN217290437U CN202221256471.5U CN202221256471U CN217290437U CN 217290437 U CN217290437 U CN 217290437U CN 202221256471 U CN202221256471 U CN 202221256471U CN 217290437 U CN217290437 U CN 217290437U
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- oil
- electric spindle
- spraying seat
- electric
- oil spraying
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses an electric spindle based on a dynamic pressure sliding bearing, which comprises an electric spindle body and an oil spraying seat; an oil spraying seat is arranged on one of the back surfaces of a bearing mounting platform of the electric main shaft body, the oil spraying seat is arranged as a sleeve ring, spray heads arranged on the oil spraying seat are opposite to the bearing, at least two spray heads are symmetrically arranged, an oil pipeline is arranged on the electric main shaft body of the oil spraying seat and connected to an oil tank, the oil tank is arranged in the center of the electric main shaft body, and an electromagnetic valve is arranged between the oil tank and the oil pipeline; the problem of current lubricating structure only lead to the oil feed to soak inhomogeneous from a position oil feed is solved.
Description
Technical Field
The utility model relates to a general mechanical equipment technical field, concretely relates to electricity main shaft based on dynamic pressure slide bearing.
Background
The electric spindle is a new technology which integrates a machine tool spindle and a spindle motor into a whole and appears in the field of numerical control machines in recent years. The main transmission system of the high-speed numerical control machine tool cancels belt wheel transmission and gear transmission. The main shaft of the machine tool is directly driven by the built-in motor, so that the length of a main transmission chain of the machine tool is shortened to zero, and zero transmission of the machine tool is realized. The transmission structure form of the spindle motor and the machine tool spindle which are combined into a whole enables the spindle part to be relatively independent from a transmission system and an integral structure of the machine tool, so that the spindle motor can be made into a spindle unit which is commonly called as an electric spindle. Most of the existing electric spindles are designed based on dynamic pressure sliding bearings, and due to the characteristics of high rotating speed, high precision, low noise and the like, the bearings are inevitably cooled and lubricated in the actual design process. The existing lubrication is the common main shaft outside lubrication, but due to the change of the structure, when the external spray lubrication is adopted, the lubrication structure mode is consistent with the lubrication of an old-fashioned bearing, and is not changed substantially, however, due to the improvement of the rotating speed, the lubrication enters from a point in the process of rapid rotation, when the lubrication is infiltrated on the bearing to a certain extent, the lubrication at the farthest end of the bearing and the lubrication at one end closest to the oil inlet generate difference through long-term work, and the bearing generates abnormal motion in the using process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an electricity main shaft based on dynamic pressure slide bearing solves current lubricating structure and only leads to the oil feed to soak inhomogeneous problem from a position oil feed.
In order to solve the technical problem, the utility model adopts the following technical scheme:
an electric spindle based on a dynamic pressure sliding bearing comprises an electric spindle body and an oil spraying seat; the electric spindle comprises an electric spindle body, wherein an oil spraying seat is arranged on one of the back of a bearing mounting table of the electric spindle body, the oil spraying seat is a lantern ring, spray heads are arranged on the oil spraying seat and are opposite to a bearing, at least two spray heads are symmetrically arranged, an oil pipeline is arranged on the electric spindle body of the oil spraying seat and is connected to an oil tank, the oil tank is arranged in the center of the electric spindle body, and an electromagnetic valve is arranged between the oil tank and the oil pipeline.
Furthermore, the interior of the electric spindle body is hollow, the hollow interior is also provided with a step shape, and the oil pipeline enters the electric spindle body from the interior of the electric spindle body in the step shape.
Furthermore, a sliding key is arranged on the front third section of the oil injection seat, threads are arranged on the rear third section of the oil injection seat, and the oil injection seat is in threaded connection with the threads.
Furthermore, a connecting groove is arranged at the joint of the oil spraying seat and the electric spindle body, one half of the connecting groove is arranged on the oil spraying seat, and the other half of the connecting groove is arranged on the electric spindle body.
Furthermore, the oil tank is set to be a pressure-resistant oil tank, and the oil tank is filled with at least 0.2 MP.
Further, a controller is arranged at the center of the electric spindle body and connected to the electromagnetic valve.
Compared with the prior art, the beneficial effects of the utility model are that:
this device provides a new lubricated oil circuit structure, can be to the real-time lubrication all around of bearing, solves current lubricating structure and only leads to the oil feed to soak inhomogeneous problem from a position oil feed, and lubricated effect is better.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure, an electric spindle body (1), a bearing mounting table (2), a sliding key (3), an oil spraying seat (4), an oil pipeline (5), threads (6), a connecting groove (7), a spray head (8), a fastening ring (9), an oil tank (10), a controller (11) and an electromagnetic valve (12).
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1:
the electric spindle based on the dynamic pressure sliding bearing comprises an electric spindle body 1 and an oil spraying seat 4. In the design, the electric spindle body 1 can adopt a conventional electric spindle body 1, and only the original electric spindle body 1 needs to be processed. Specifically, set up oil spout seat 4 at one behind the bearing mount table 2 of electricity main shaft body 1, in this design, oil spout seat 4 sets up to a lantern ring, sets up shower nozzle 8 on the oil spout seat 4 just to the bearing, and shower nozzle 8 symmetry at least sets up two, so, at the rotatory in-process of electricity main shaft body 1, shower nozzle 8 just can be along with electricity main shaft body 1 is rotatory together, then carries out oil spout fog to whole bearing. In order to facilitate oil delivery, an oil pipeline 5 is arranged on an electric spindle body 1 of an oil injection seat 4 and communicated with a spray head 8, the other end of the oil pipeline 5 is connected to an oil tank 10, the oil tank 10 is fixedly arranged at the center of the electric spindle body 1, a fastening ring 9 is arranged at a fastening position to enable the oil tank 10 and the electric spindle body 1 to be connected into a whole, and an electromagnetic valve 12 is arranged between the oil tank 10 and the oil pipeline 5 in order to facilitate control.
Furthermore, in order to facilitate the processing and arrangement of the oil pipeline 5, the electric spindle body 1 of the device still adopts an internal hollow arrangement structure, the hollow interior is also arranged in a step shape, and the oil pipeline 5 enters the electric spindle body 1 from the internal step shape, so that the electric spindle is convenient and convenient to process in the processing process, and the oil pipeline 5 can be formed by punching and entering from the position.
Furthermore, in order to facilitate the installation of the oil spray seat 4, in the device, the sliding key 3 is arranged on the front third section of the oil spray seat 4, the thread 6 is arranged on the rear third section, and the oil spray seat 4 is in threaded connection with the thread 6. So, at first with oil spout seat 4 slip access feather key 3 department, then when entering into the middle part, oil spout seat 4 can freely move about, then through the fastening of screw thread 6 threaded connection, like this, even appear oil spout seat 4 drops and also can be kept off by feather key 3 and can not the striking bearing.
In order to facilitate uniform spraying of oil, a connecting groove 7 is arranged at the connecting position of the oil spraying seat 4 and the electric spindle body 1, half of the connecting groove 7 is arranged on the oil spraying seat 4, and the other half of the connecting groove 7 is arranged on the electric spindle body 1, so that the oil spraying seat 4 can be ensured to penetrate through the oil pipeline 5 after being fixed to the maximum extent.
In order to form the spraying effect, the oil tank 10 is set to be a pressure-resistant oil tank, and when oil is filled into the oil tank, the oil tank is filled with at least 0.2MP, so that the oil can be sprayed out from the spray head 8 through the pressure in the oil tank 10. In the present device, the oil in the oil tank is distributed on the tank wall under the centrifugal force of high-speed rotation, and the gap formed by the pressure is filtered in the center, so when the pipeline is connected, the oil is needed to be arranged at the bottommost part of the oil tank 10, and the oil is easy to be pressed out.
The lubricating oil does not need to be directly injected, and needs to be intermittently injected, specifically, a controller 11 is arranged at the center of the electric spindle body 1 and connected to the electromagnetic valve 12, and the controller 11 is provided with a battery and is controlled by a timer or other control modes.
This device provides a new lubricated oil circuit structure, can be to the real-time lubrication all around of bearing, solves current lubricating structure and only leads to the oil feed to soak inhomogeneous problem from a position oil feed, and lubricated effect is better.
Reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," "a preferred embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described in general terms in this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the disclosure to effect such feature, structure, or characteristic in connection with other embodiments.
Although the invention has been described herein with reference to a number of illustrative embodiments thereof, it should be understood that numerous other modifications and embodiments can be devised by those skilled in the art that will fall within the spirit and scope of the principles of this invention. More specifically, various variations and modifications are possible in the component parts and/or arrangements of the subject combination arrangement within the scope of the disclosure, the drawings and the appended claims. In addition to variations and modifications in the component parts and/or arrangements, other uses will also be apparent to those skilled in the art.
Claims (6)
1. An electric spindle based on a dynamic pressure sliding bearing comprises an electric spindle body (1) and is characterized in that: the oil spraying device also comprises an oil spraying seat (4); the oil spraying device is characterized in that an oil spraying seat (4) is arranged on one of the back of a bearing mounting table (2) of an electric main shaft body (1), the oil spraying seat (4) is arranged to be a lantern ring, a spray head (8) is arranged on the oil spraying seat (4) and is right opposite to a bearing, the spray heads (8) are arranged at least symmetrically, an oil pipeline (5) is arranged on the electric main shaft body (1) of the oil spraying seat (4), the oil pipeline (5) is connected to an oil tank (10), the oil tank (10) is arranged at the center of the electric main shaft body (1), and an electromagnetic valve (12) is arranged between the oil tank (10) and the oil pipeline (5).
2. An electric spindle based on a hydrodynamic plain bearing, according to claim 1, characterized in that: the interior of the electric main shaft body (1) is hollow, the hollow interior is also arranged to be step-shaped, and the oil pipeline (5) enters the electric main shaft body (1) from the interior step-shaped.
3. An electric spindle based on a hydrodynamic plain bearing, according to claim 1, characterized in that: the sliding key (3) is arranged on the front third section of the oil spraying seat (4), the screw thread (6) is arranged on the rear third section, and the oil spraying seat (4) is in threaded connection with the screw thread (6).
4. An electric spindle based on a hydrodynamic plain bearing, according to claim 3, characterized in that: a connecting groove (7) is arranged at the connecting part of the oil spraying seat (4) and the electric spindle body (1), one half of the connecting groove (7) is arranged on the oil spraying seat (4), and the other half of the connecting groove is arranged on the electric spindle body (1).
5. An electric spindle based on a hydrodynamic plain bearing, according to claim 1, characterized in that: the oil tank (10) is set as a pressure-resistant oil tank and is filled with at least 0.2 MP.
6. An electric spindle based on a hydrodynamic plain bearing, according to claim 1, characterized in that: a controller (11) is arranged at the center of the electric spindle body (1) and connected to an electromagnetic valve (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221256471.5U CN217290437U (en) | 2022-05-24 | 2022-05-24 | Electric spindle based on dynamic pressure sliding bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221256471.5U CN217290437U (en) | 2022-05-24 | 2022-05-24 | Electric spindle based on dynamic pressure sliding bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217290437U true CN217290437U (en) | 2022-08-26 |
Family
ID=82918671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221256471.5U Active CN217290437U (en) | 2022-05-24 | 2022-05-24 | Electric spindle based on dynamic pressure sliding bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217290437U (en) |
-
2022
- 2022-05-24 CN CN202221256471.5U patent/CN217290437U/en active Active
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