CN215615128U - Electric spindle structure of headstock - Google Patents
Electric spindle structure of headstock Download PDFInfo
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- CN215615128U CN215615128U CN202121478875.4U CN202121478875U CN215615128U CN 215615128 U CN215615128 U CN 215615128U CN 202121478875 U CN202121478875 U CN 202121478875U CN 215615128 U CN215615128 U CN 215615128U
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- box body
- transmission device
- electric
- main shaft
- motor transmission
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Abstract
The utility model discloses a headstock electric spindle structure, which comprises a box body and an electric spindle, wherein the electric spindle is connected with the box body through a bearing assembly; one side surface of the box body is provided with a motor transmission device, the other side surface of the box body is provided with a main shaft positioning disc, the motor transmission device and the main shaft positioning disc correspond to the end part of the electric main shaft, and one end of the electric main shaft penetrates through the motor transmission device and extends out of the side surface of the electric main shaft; the motor transmission device comprises an installation shell, a stator component and a rotor component, wherein the installation shell is fixedly connected to the box body, the stator component and the rotor component are arranged in the installation shell, the stator component is installed and connected to the installation shell, and the rotor component is installed and connected to the electric spindle. The motor transmission device is not required to be installed on the box body by boring, or the motor transmission device is not required to be independently installed at other positions and is in transmission connection with the electric spindle by the belt pulley device; the installation is convenient, the space is not occupied, and the cost is low in processing and production.
Description
Technical Field
The utility model belongs to the technical field of headstock, and particularly relates to a headstock electric spindle structure.
Background
The headstock is an important part of a machine tool, generally comprises a box body, an electric spindle and a motor transmission device, and the headstock on the market is roughly divided into two types: one is an embedded integral headstock, and the headstock adopting the structure is characterized in that a motor transmission device is arranged in a box body, and a hole needs to be bored on the box body before installation, so that the motor transmission device is arranged in the headstock; but the boring processing is troublesome by adopting the structure, and the later installation is inconvenient; the other is a split type headstock, and the headstock adopting the structure is characterized in that a motor transmission device is additionally fixed on the machine tool frame and then is in transmission connection with an electric main shaft arranged on the headstock through a belt pulley; but adopt this structure to occupy installation space more, the driven efficiency in later stage is not high moreover. In addition, the processing cost of the existing headstock with the two structures is high.
Disclosure of Invention
The present invention is directed to solve the above problems in the prior art, and provides a spindle structure of a headstock.
In order to achieve the purpose, the technical scheme of the utility model is as follows: a headstock electric spindle structure comprises a box body and an electric spindle, wherein the electric spindle is connected with the box body through a bearing assembly; one side surface of the box body is provided with a motor transmission device, the other side surface of the box body is provided with a main shaft positioning disc, the motor transmission device and the main shaft positioning disc correspond to the end part of the electric main shaft, and one end of the electric main shaft penetrates through the motor transmission device and extends out of the side surface of the electric main shaft; the motor transmission device comprises an installation shell, a stator component and a rotor component, wherein the installation shell is fixedly connected to the box body, the stator component and the rotor component are arranged in the installation shell, the stator component is installed and connected to the installation shell, and the rotor component is installed and connected to the electric spindle.
The box body is provided with a mounting hole for mounting the electric spindle, a bearing assembly on the electric spindle is positioned in the mounting hole, and the diameter of the rotor assembly is smaller than that of the mounting hole.
The electric main shaft is provided with a fixing ring for fixing the rotor assembly, and the diameter of the fixing ring is also smaller than that of the mounting hole.
The mounting shell is characterized in that one end of the mounting shell is provided with a fixing seat connected with the box body, the other end of the mounting shell is provided with a heat dissipation end cover, and a mounting groove used for connecting a stator assembly is formed in the mounting shell.
And a transmission installation part is arranged at the end part of the electric spindle extending out of the side surface of the motor transmission device.
By adopting the technical scheme, the utility model has the following beneficial effects:
the motor transmission device is arranged on the side surface of the box body, one end of the electric main shaft correspondingly penetrates through the motor transmission device, and the rotor assembly of the motor transmission device is fixedly connected to the electric main shaft, so that the motor transmission device is very convenient to install and connect; compared with the prior art, the motor transmission device is not required to be installed on the box body by boring, and the motor transmission device is not required to be installed at other positions independently and is connected with the electric spindle in a transmission way by a belt pulley device; the installation is convenient, the space is not occupied, and the cost is low in processing and production.
Drawings
FIG. 1 is a cross-sectional structural view of the present invention;
fig. 2 is a perspective view of the present invention.
Detailed Description
The utility model will be further explained with reference to the accompanying drawings.
Referring to fig. 1 and 2, the utility model provides a headstock electric spindle structure, which includes a box body 1 and an electric spindle 2, wherein the box body 1 is provided with a mounting hole 3 for mounting the electric spindle 2, the electric spindle 2 is connected with the box body 1 through a bearing assembly 4, and after the electric spindle 2 is connected with the box body 1, the bearing assembly 4 is located in the mounting hole 3; a motor transmission device 5 is installed on one side surface of the box body 1, a main shaft positioning disc 6 is installed on the other side surface of the box body, the motor transmission device 5 and the main shaft positioning disc 6 correspond to the end part of the electric main shaft 2, and one end of the electric main shaft 2 penetrates through the motor transmission device 5 and extends out of the side surface of the electric main shaft; the motor transmission device 5 comprises an installation shell 7, a stator assembly 8 and a rotor assembly 9, the installation shell 7 is fixedly connected to the box body 1, and the stator assembly 8 and the rotor assembly 9 are arranged in the installation shell 7;
when the electric spindle is installed, the stator assembly 8 is installed and connected on the installation shell 7, and the bearing assembly 4, the spindle positioning disc 6 and the rotor assembly 9 are installed and connected on the electric spindle 2; then, the electric spindle 2 and the box body 1 are installed, at the moment, one end of the electric spindle 2 with the rotor assembly 9 directly penetrates through the installation hole 3 of the box body 1, and the electric spindle 2 is in positioning connection with the box body 1 through the bearing assembly 4 and the spindle positioning disc 6; finally, the mounting shell 7 connected with the stator assembly 8 is sleeved on the electric spindle 2, and the mounting shell 7 is fixedly connected with the box body 1, so that the mounting connection of the motor transmission device 5 is completed, and the mounting process is very quick and convenient; of course, the sequence of the installation steps can be adjusted as required.
Further, the diameter of the rotor assembly 9 is smaller than that of the mounting hole 3, the electric spindle 2 is provided with a fixing ring 10 for fixing the rotor assembly 9, and the diameter of the fixing ring 10 is also smaller than that of the mounting hole 3; thus, when being installed, the end part of the electric spindle 2 provided with the rotor assembly 9 can easily penetrate out of the installation hole 3 of the box body 1.
Furthermore, one end of the mounting shell 7 is provided with a fixed seat 11 connected with the box body 1, the other end of the mounting shell is provided with a heat dissipation end cover 12, the mounting shell 7 is fixedly connected with the box body 1 through the fixed seat 11, and the heat dissipation end cover 12 can dissipate heat generated by the operation of the motor transmission device 5; an installation groove 13 is formed in the installation shell 7, and the stator assembly 8 is installed and connected in the installation groove 13.
Furthermore, the end of the electric spindle 2 extending out of the side of the motor transmission device 5 is provided with a transmission installation part 15, and other components are installed on the electric spindle through the transmission installation part.
The above detailed description is provided for a spindle structure of a headstock according to an embodiment of the present invention, and the specific examples are used herein to explain the principle and the implementation of the present invention, and the above description of the embodiments is only used to help understanding the technical solutions disclosed in the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (5)
1. A headstock electric spindle structure comprises a box body and an electric spindle, wherein the electric spindle is connected with the box body through a bearing assembly; the method is characterized in that: one side surface of the box body is provided with a motor transmission device, the other side surface of the box body is provided with a main shaft positioning disc, the motor transmission device and the main shaft positioning disc correspond to the end part of the electric main shaft, and one end of the electric main shaft penetrates through the motor transmission device and extends out of the side surface of the electric main shaft; the motor transmission device comprises an installation shell, a stator component and a rotor component, wherein the installation shell is fixedly connected to the box body, the stator component and the rotor component are arranged in the installation shell, the stator component is installed and connected to the installation shell, and the rotor component is installed and connected to the electric spindle.
2. The headstock motorized spindle construction of claim 1, wherein: the box body is provided with a mounting hole for mounting the electric spindle, a bearing assembly on the electric spindle is positioned in the mounting hole, and the diameter of the rotor assembly is smaller than that of the mounting hole.
3. The headstock motorized spindle construction of claim 2, wherein: the electric main shaft is provided with a fixing ring for fixing the rotor assembly, and the diameter of the fixing ring is also smaller than that of the mounting hole.
4. The headstock motorized spindle construction of claim 1, wherein: the mounting shell is characterized in that one end of the mounting shell is provided with a fixing seat connected with the box body, the other end of the mounting shell is provided with a heat dissipation end cover, and a mounting groove used for connecting a stator assembly is formed in the mounting shell.
5. A headstock motorized spindle construction according to claim 2 or 3 wherein: and a transmission installation part is arranged at the end part of the electric spindle extending out of the side surface of the motor transmission device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121478875.4U CN215615128U (en) | 2021-07-01 | 2021-07-01 | Electric spindle structure of headstock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121478875.4U CN215615128U (en) | 2021-07-01 | 2021-07-01 | Electric spindle structure of headstock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215615128U true CN215615128U (en) | 2022-01-25 |
Family
ID=79947148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121478875.4U Active CN215615128U (en) | 2021-07-01 | 2021-07-01 | Electric spindle structure of headstock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215615128U (en) |
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2021
- 2021-07-01 CN CN202121478875.4U patent/CN215615128U/en active Active
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