Electric spindle box
By introducing limit and sealing components into the electric spindle box, the problems of poor support effect and insufficient sealing properties of the electric spindle are solved, and better support effect and sealing properties are achieved.
Patent Information
- Application Number
- CN202421044035.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-05-14
AI Technical Summary
The existing electric spindle box has poor effect and insufficient sealing when supporting the electric spindle, which may shift the middle part of the electric spindle from the output end, reducing the support effect, and reducing the sealing ability at the connection.
An electric spindle box including a first electric spindle box body, a support vertical plate, a second electric spindle box body body, a limiting assembly, an adjustment assembly, a top pressure assembly, a support assembly and a sealing assembly are designed, and the limiting assembly is passed through the limiting assembly. The adjustment assembly limits the middle of the electric spindle, and uses the support assembly and sealing assembly to improve the support effect and sealing performance.
The offset between the middle part of the electric spindle and the output end is effectively avoided, the support effect is improved, and the sealing property at the box connection is maintained through the sealing assembly, thereby improving the overall sealing property.
Smart Images

Figure CN222326723U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of electric spindles, in particular to an electric spindle box. Background Art
[0002] The electric spindle is a new type of spindle component that integrates the functions of a machine tool spindle and a motor. It places a high-speed motor inside the spindle component and obtains the required movement speed and torque of the spindle through a control system. It is also called a built-in spindle and is generally used in CNC machine tools. During the use of the electric spindle, an electric spindle box is often required to support the spindle and transmit power.
[0003] However, in the prior art, when supporting the electric spindle, the electric spindle is generally clamped inside the two half-boxes, and the output end of the electric spindle is generally clamped outside the two half-boxes, and the middle part of the electric spindle is generally not limited. Since the middle part of the electric spindle is not limited, the middle part of the electric spindle and the output end of the electric spindle may be offset, which will cause the electric spindle to shake and reduce its supporting effect. In the prior art, after the electric spindle is clamped in the two half-boxes, when the two half-boxes are fixed, the connection between the two half-boxes is generally exposed to the outside. Since the connection between the two half-boxes is exposed to the outside, the sealing performance will be reduced to a certain extent. Utility Model Content
[0004] The utility model provides an electric spindle box body to solve the problems of poor supporting effect and poor sealing in the prior art, which can improve the supporting effect and the sealing.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric spindle box, comprising a first electric spindle box body, a supporting vertical plate and a second electric spindle box body, a first axial hole is opened inside the rear side box body of the first electric spindle box body, and a second axial hole is opened inside the rear side box body of the second electric spindle box body; a second limiting long groove is opened on the front inner side surface and the rear inner side surface of the first electric spindle box body, a limiting component is slidably installed inside the first electric spindle box body, an adjusting component is installed on the internal thread of the first electric spindle box body, a positioning long plate is fixedly installed on the left and right sides of the second electric spindle box body, a pressing top component is rotatably installed on the top of the supporting vertical plate, a supporting component is fixedly installed on the front and rear sides of the supporting vertical plate, a second threaded groove is opened on the front and rear sides of the supporting vertical plate, and a sealing component is fixedly installed on the front and rear sides of the second electric spindle box body.
[0006] Furthermore, the support vertical plate is fixedly connected to the first electric spindle box body, the second electric spindle box body is movably connected to the support vertical plate, a first limiting long groove is opened on the top of the first electric spindle box body, and a first limiting long plate is fixedly installed on the bottom of the second electric spindle box body.
[0007] Furthermore, the limiting assembly includes a supporting long plate, which is slidably installed inside the main body of the first electric spindle box, and the front and rear sides of the supporting long plate are fixedly connected with a second limiting long plate, which is slidably installed inside the second limiting long groove, and a limiting pressure plate is fixedly connected inside one side of the supporting long plate.
[0008] Furthermore, the adjustment assembly includes a threaded column, which is threadedly installed inside the box body of the first electric spindle box body and the plate body of the supporting vertical plate respectively. One end of the threaded column is fixedly connected to a holding column, and the other end of the threaded column is fixedly connected to a conical column. The conical column is rotatably installed inside the supporting long plate, and the end of the threaded column away from the holding column is rotatably installed on one side of the limiting pressure plate.
[0009] Furthermore, the top pressure assembly includes an elliptical sealing long plate, which is movably connected to the main body of the second electric spindle box, and is rotatably connected to the supporting vertical plate. The front and rear sides of the elliptical sealing long plate are both provided with a first threaded groove, and one side of the elliptical sealing long plate and one side of the supporting vertical plate are jointly provided with a positioning long groove, and the positioning long groove is movably connected to the positioning long plate.
[0010] Furthermore, there are two elliptical sealing long plates, the front and rear sides of one elliptical sealing long plate are fixedly connected to the elliptical long plate, and the front and rear sides of the other elliptical sealing long plate are fixedly connected to the L-shaped plate, the L-shaped plate is movably connected to the elliptical long plate, and the internal threaded connection of the L-shaped plate is connected to the second screw, and the second screw is threadedly connected to the elliptical long plate.
[0011] Furthermore, the support assembly includes four support uprights, the support uprights are fixedly connected to the support uprights, the elliptical sealing long plate is rotatably connected to the support uprights, support columns are fixedly connected between two support uprights and between another two support uprights, and the elliptical sealing long plate is rotatably connected to the support columns.
[0012] Furthermore, the sealing assembly includes a circular plate, the front inner side surface of the circular plate is fixedly installed on the front side of the second electric spindle box body, the rear inner side surface of the circular plate is fixedly installed on the rear side of the second electric spindle box body, the circular plate is movably connected to the elliptical sealing long plate, a connecting square hole is opened inside the plate body of the circular plate, a sealing square cylinder is fixedly connected to the bottom of the circular plate, an elliptical hole is opened inside the rear side cylinder body of the sealing square cylinder, and the first screw is threadedly connected inside the cylinder body of the sealing square cylinder.
[0013] The working principle and use principle of the utility model are as follows: in the process of using the device, the electric spindle is clamped inside the device through the first electric spindle housing body and the second electric spindle housing body, and the output end of the electric spindle is exposed to the outside of the device, and the device is limited to the middle part of the electric spindle through the limiting component and the adjusting component, so as to avoid the reduction of the supporting effect of the device due to the offset between the middle part of the electric spindle and the two ends of the electric spindle, and in the process of using the device, the second electric spindle housing body is pressed on the first electric spindle housing body through the pressing top component, and the device is enclosed at the connection between the first electric spindle housing body and the second electric spindle housing body through the supporting component and the sealing component, so that the device maintains the sealing performance to a certain extent, and avoids the reduction of the sealing performance of the device due to the connection between the first electric spindle housing body and the second electric spindle housing body being exposed to the outside.
[0014] The beneficial technical effects of the utility model are:
[0015] By arranging the first electric spindle housing body and the second electric spindle housing body, the electric spindle can be stuck inside the device, and the output end of the electric spindle can be exposed to the outside of the device; by arranging the limiting component and the adjusting component, the device can limit the middle part of the electric spindle, so that the device can avoid reducing the supporting effect due to the offset between the middle part of the electric spindle and the output end of the electric spindle, so that the device can improve the supporting effect; and by the pressing top component, the second electric spindle housing body can be pressed on the first electric spindle housing body; by arranging the supporting component and the sealing component, the device can enclose the connection between the first electric spindle housing body and the second electric spindle housing body, so that the device can maintain sealing to a certain extent, so that the device can avoid reducing the sealing due to the connection between the first electric spindle housing body and the second electric spindle housing body being exposed to the outside, so that the device can improve the sealing. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Other features, objectives and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings.
[0017] Figure 1 It is the first frontal stereoscopic schematic diagram of the utility model.
[0018] Figure 2 It is a three-dimensional schematic diagram of a sealed square cylinder of the utility model.
[0019] Figure 3 It is a three-dimensional schematic diagram of an elliptical sealing long plate of the utility model.
[0020] Figure 4 It is a three-dimensional schematic diagram of the main body of the second electric spindle box of the utility model.
[0021] Figure 5 It is a three-dimensional schematic diagram of the main body of the first electric spindle box of the utility model.
[0022] Figure 6 It is a three-dimensional schematic diagram of the supporting long board of the utility model.
[0023] Figure 7 It is a front cross-sectional schematic diagram of the utility model.
[0024] Figure 8 It is a second frontal stereoscopic schematic diagram of the utility model.
[0025] Explanation of the numbers in the figure: 1. circular plate; 2. elliptical long plate; 3. second electric spindle box body; 4. sealing square cylinder; 5. first screw; 6. first limiting long plate; 7. L-shaped plate; 8. second screw; 9. supporting long plate; 10. limiting pressure plate; 11. second axial hole; 12. first electric spindle box body; 13. supporting vertical rod; 14. second threaded groove; 15. supporting vertical plate; 16. threaded column; 17. holding column; 18. elliptical sealing long plate; 19. connecting square hole; 20. positioning long groove; 21. elliptical hole; 22. positioning long plate; 23. conical column; 24. first threaded groove; 25. second limiting long groove; 26. first limiting long groove; 27. first axial hole; 28. supporting column; 29. second limiting long plate. DETAILED DESCRIPTION
[0026] The electric spindle housing of the utility model is further described below in conjunction with the accompanying drawings and specific embodiments.
[0027] like Figures 1 to 8As shown: an electric spindle box, including a first electric spindle box body 12, a supporting vertical plate 15, a second electric spindle box body 3, a supporting long plate 9 and a threaded column 16, a first axial hole 27 is opened inside the rear side box of the first electric spindle box body 12, a first limiting long groove 26 is opened on the top of the first electric spindle box body 12, a second axial hole 11 is opened inside the rear side box of the second electric spindle box body 3, a first limiting long plate 6 is fixedly installed on the bottom of the second electric spindle box body 3, the first limiting long plate 6 is movably connected to the first limiting long groove 26, the front inner side and the rear inner side of the first electric spindle box body 12 are both provided with a second limiting long groove 25, the supporting long plate 9 is movably connected to the second electric spindle box body 3, and the supporting The front and rear sides of the long plate 9 are fixedly connected to the second limiting long plate 29, and a limiting pressure plate 10 is fixedly connected inside one side of the supporting long plate 9. One end of the threaded column 16 is fixedly connected to a holding column 17, and the number of the holding columns 17 is two. The other end of the threaded column 16 is fixedly connected to a tapered column 23. Through the arrangement of the first electric spindle box body 12 and the second electric spindle box body 3, the electric spindle can be stuck inside the device, and the output end of the electric spindle can be exposed to the outside of the device. Through the arrangement of the limiting component and the adjusting component, the device can limit the middle part of the electric spindle, so that the device can avoid reducing the supporting effect due to the offset between the middle part of the electric spindle and the output end of the electric spindle, so that the device can improve the supporting effect.
[0028] When in use, one supporting long plate 9 is located at the leftmost side of the first electric spindle housing body 12, and the other supporting long plate 9 is located at the rightmost side of the first electric spindle housing body 12. The first screw rod 5 is threadedly connected with the first thread groove 24. When the device is needed to support the electric spindle, the electric spindle is moved and placed inside the first electric spindle housing body 12, and a part of the outer surface of the output end of the electric spindle is stuck in the first shaft hole 27. At the same time, the two holding columns 17 are rotated to make the threaded column 16 rotate along the supporting vertical plate 15 and the first electric spindle housing body 12 respectively, so that the end of the threaded column 16 away from the holding column 17 and the tapered column 23 are rotated along the supporting long plate 9. The device is movable, and under the action of the threaded transmission, the supporting long plate 9 slides along the first electric spindle box body 12, and the second limiting long plate 29 slides along the second limiting long groove 25. When the limiting pressure plate 10 is squeezed and deformed by the middle part of the electric spindle, the two holding columns 17 are stopped and rotated at the same time. At this time, the middle part of the electric spindle and the output end of the electric spindle can be in the same straight line. In this process, the electric spindle can be stuck inside the device, and the output end of the electric spindle can be exposed outside the device. The device can limit the middle part of the electric spindle, so that the device can avoid reducing the supporting effect due to the offset between the middle part of the electric spindle and the output end of the electric spindle, so that the device can improve the supporting effect.
[0029] like Figures 1 to 8As shown: an electric spindle housing, comprising a first electric spindle housing body 12, a support vertical plate 15, a second electric spindle housing body 3, an elliptical sealing long plate 18, four support vertical rods 13 and a circular plate 1, a positioning long plate 22 is fixedly installed on the left and right sides of the second electric spindle housing body 3, a second thread groove 14 is opened on the front and rear sides of the support vertical plate 15, a first thread groove 24 is opened on the front and rear sides of the elliptical sealing long plate 18, and a positioning long plate 22 is opened on one side of the elliptical sealing long plate 18 and one side of the support vertical plate 15. The long groove 20 is formed in the middle of the elliptical sealing long plate 18, the number of which is two. The front and rear sides of one elliptical sealing long plate 18 are fixedly connected to the elliptical long plate 2, the front and rear sides of the other elliptical sealing long plate 18 are fixedly connected to the L-shaped plate 7, the plate body of the L-shaped plate 7 is internally threadedly connected to the second screw 8, the number of the second screw 8, the elliptical long plate 2 and the L-shaped plate 7 are two, the second screw 8 is threadedly connected to the elliptical long plate 2, and the two support vertical rods 13 are fixedly connected to the other two support vertical rods 13 with support columns 28 A connecting square hole 19 is provided inside the plate body of the circular plate 1, and the connecting square hole 19 is movably connected to the supporting upright rod 13. A sealing square tube 4 is fixedly connected to the bottom of the circular plate 1, and an elliptical hole 21 is provided inside the rear cylinder body of the sealing square tube 4. The sealing square tube 4 is movably connected to the elliptical sealing long plate 18, the supporting upright plate 15 and the main body 12 of the first electric spindle box, and the first screw 5 is threadedly connected inside the cylinder body of the sealing square tube 4. The number of the first screws 5 is four, and the first screws 5 are respectively threaded with the first thread groove 24 and the supporting upright rod 13 The second electric spindle housing body 3 is connected by a threaded connection, and the second electric spindle housing body 12 can be pressed against the first electric spindle housing body 12 by the setting of the pressing top assembly. The support assembly and the second sealing assembly can be set to enclose the connection between the first electric spindle housing body 12 and the second electric spindle housing body 3, so that the device can maintain sealing to a certain extent, so that the device can avoid the reduction of sealing due to the connection between the first electric spindle housing body 12 and the second electric spindle housing body 3 being exposed to the outside, so that the device can improve the sealing.
[0030] When in use, when the limiting pressure plate 10 is squeezed and deformed by the middle part of the electric spindle, and after stopping the simultaneous rotation of the two holding columns 17, the four first screw rods 5 are rotated at the same time, so that the first screw rod 5 is disconnected from the first thread groove 24 and one end of the first screw rod 5 is located inside the cylinder body of the sealing square cylinder 4, and the circular plate 1 is moved downward, so that the circular plate 1 slides along the elliptical sealing long plate 18, the supporting vertical plate 15 and the first electric spindle box body 12 respectively, the second electric spindle box body 3 slides along the elliptical sealing long plate 18, the supporting vertical plate 15 and the first electric spindle box body 12 respectively, the connecting square hole 19 slides along the supporting vertical rod 13, and the positioning long plate 2 2 slides along the positioning long groove 20, when the second electric spindle housing body 3 moves downward to the maximum distance, the second electric spindle housing body 3 and the first electric spindle housing body 12 contact each other and the first limiting long plate 6 enters the first limiting long groove 26, the supporting long plate 9 is located in the second electric spindle housing body 3, the electric spindle is located in the second electric spindle housing body 3 and the first electric spindle housing body 12 respectively, and the other part of the outer surface of the output end of the electric spindle is respectively stuck in the second shaft hole 11 and the elliptical hole 21, and the four first screws 5 are rotated at the same time to make the first screws 5 and the second thread groove 14 threadedly connected, at this time, the sealing square cylinder 4 can surround At the connection between the second electric spindle housing body 3 and the first electric spindle housing body 12, the device can maintain sealing to a certain extent, and when the second electric spindle housing body 3 moves downward to the maximum distance, the top of the second electric spindle housing body 3 and the top of the support vertical plate 15 are in the same plane, the state of the two elliptical sealing long plates 18 is kept unchanged, and the two elliptical sealing long plates 18 are rotated at the same time, so that the elliptical sealing long plates 18 are rotated along the support column 28, the support vertical plate 15 and the support vertical rod 13 respectively. When the two elliptical sealing long plates 18 both cover the top of the second electric spindle housing body 3, the elliptical long plate 2 enters the L-shaped Inside the plate 7, the two second screws 8 are rotated at the same time to make the second screws 8 threadedly connected to the elliptical long plate 2, so that the second electric spindle box body 3 can be pressed on the first electric spindle box body 12. During this process, the second electric spindle box body 3 can be pressed on the first electric spindle box body 12, and the present device can enclose the connection between the first electric spindle box body 12 and the second electric spindle box body 3, so that the present device can maintain sealing to a certain extent, so that the present device can avoid the reduction of sealing due to the connection between the first electric spindle box body 12 and the second electric spindle box body 3 being exposed to the outside, so that the present device can improve the sealing.
[0031] In this embodiment, the connecting square hole 19 is communicated with the interior of the circular plate 1, and the material used for the limiting pressure plate 10 is rubber.
Claims
1. An electric spindle housing, comprising a first electric spindle housing body (12), a support plate (15) and a second electric spindle housing body (3), wherein a first axial hole (27) is provided inside the rear side housing of the first electric spindle housing body (12), and a second axial hole (11) is provided inside the rear side housing of the second electric spindle housing body (3); characterized in that The front inner side surface and the rear inner side surface of the first electric spindle housing body (12) are both provided with a second limiting long groove (25), the first electric spindle housing body (12) is internally slidably installed with a limiting component, the internal thread of the first electric spindle housing body (12) is provided with an adjustment component, the left and right sides of the second electric spindle housing body (3) are both fixedly installed with a positioning long plate (22), the top of the support vertical plate (15) is rotatably installed with a top pressing component, the front and rear sides of the support vertical plate (15) are both fixedly installed with a support component, the front and rear sides of the support vertical plate (15) are both provided with a second thread groove (14), and the front and rear sides of the second electric spindle housing body (3) are jointly fixedly installed with a sealing component.
2. The electric spindle housing according to claim 1, characterized in that: The support vertical plate (15) is fixedly connected to the first electric spindle housing body (12), the second electric spindle housing body (3) is movably connected to the support vertical plate (15), a first limiting long groove (26) is provided on the top of the first electric spindle housing body (12), and a first limiting long plate (6) is fixedly installed on the bottom of the second electric spindle housing body (3).
3. An electric spindle housing according to claim 1 or 2, characterized in that: The limiting assembly comprises a supporting long plate (9), the supporting long plate (9) being slidably mounted inside the first electric spindle housing body (12), the front and rear sides of the supporting long plate (9) being fixedly connected to second limiting long plates (29), the second limiting long plate (29) being slidably mounted inside the second limiting long groove (25), and a limiting pressure plate (10) being fixedly connected inside one side of the supporting long plate (9).
4. An electric spindle housing according to claim 1 or 2, characterized in that: The adjustment component comprises a threaded column (16), the threaded column (16) being threadedly mounted inside the box body of the first electric spindle box body (12) and inside the plate body of the supporting vertical plate (15), one end of the threaded column (16) being fixedly connected to a holding column (17), the other end of the threaded column (16) being fixedly connected to a conical column (23), the conical column (23) being rotatably mounted inside the supporting long plate (9), and one end of the threaded column (16) away from the holding column (17) being rotatably mounted on one side of the limiting pressure plate (10).
5. The electric spindle housing according to claim 3, characterized in that: The adjustment component comprises a threaded column (16), the threaded column (16) being threadedly mounted inside the box body of the first electric spindle box body (12) and inside the plate body of the supporting vertical plate (15), one end of the threaded column (16) being fixedly connected to a holding column (17), the other end of the threaded column (16) being fixedly connected to a conical column (23), the conical column (23) being rotatably mounted inside the supporting long plate (9), and one end of the threaded column (16) away from the holding column (17) being rotatably mounted on one side of the limiting pressure plate (10).
6. An electric spindle housing according to claim 1, 2 or 5, characterized in that: The pressure top assembly comprises an elliptical sealing long plate (18), the elliptical sealing long plate (18) is movably connected to the second electric spindle box body (3), the elliptical sealing long plate (18) is rotatably connected to the supporting vertical plate (15), the front side and the rear side of the elliptical sealing long plate (18) are both provided with a first thread groove (24), one side of the elliptical sealing long plate (18) and one side of the supporting vertical plate (15) are jointly provided with a positioning long groove (20), and the positioning long groove (20) is movably connected to the positioning long plate (22).
7. The electric spindle housing according to claim 6, characterized in that: There are two elliptical sealing long plates (18), the front side and the rear side of one elliptical sealing long plate (18) are fixedly connected to the elliptical long plate (2), the front side and the rear side of the other elliptical sealing long plate (18) are fixedly connected to the L-shaped plate (7), the L-shaped plate (7) is movably connected to the elliptical long plate (2), the plate body of the L-shaped plate (7) is internally threadedly connected to a second screw rod (8), and the second screw rod (8) is threadedly connected to the elliptical long plate (2).
8. An electric spindle housing according to claim 1, 2, 5 or 7, characterized in that: The support assembly comprises four support uprights (13), the support uprights (13) are fixedly connected to the support upright plates (15), the elliptical sealing long plates (18) are rotatably connected to the support uprights (13), a support column (28) is fixedly connected between two support uprights (13) and between two other support uprights (13), and the elliptical sealing long plates (18) are rotatably connected to the support columns (28).
9. The electric spindle housing according to claim 6, characterized in that: The support assembly comprises four support uprights (13), the support uprights (13) are fixedly connected to the support upright plates (15), the elliptical sealing long plates (18) are rotatably connected to the support uprights (13), a support column (28) is fixedly connected between two support uprights (13) and between two other support uprights (13), and the elliptical sealing long plates (18) are rotatably connected to the support columns (28).
10. An electric spindle housing according to claim 1, 2, 5, 7 or 9, characterized in that: The sealing assembly comprises a circular plate (1), the front inner side surface of the circular plate (1) is fixedly mounted on the front side of the second electric spindle housing body (3), the rear inner side surface of the circular plate (1) is fixedly mounted on the rear side of the second electric spindle housing body (3), the circular plate (1) is movably connected to an elliptical sealing long plate (18), a connecting square hole (19) is provided inside the plate body of the circular plate (1), a sealing square cylinder (4) is fixedly connected to the bottom of the circular plate (1), an elliptical hole (21) is provided inside the rear side cylinder body of the sealing square cylinder (4), and a first screw (5) is threadedly connected inside the cylinder body of the sealing square cylinder (4).