CN210985907U - Cylindrical linear electric motor of high thrust - Google Patents
Cylindrical linear electric motor of high thrust Download PDFInfo
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- CN210985907U CN210985907U CN201922063171.XU CN201922063171U CN210985907U CN 210985907 U CN210985907 U CN 210985907U CN 201922063171 U CN201922063171 U CN 201922063171U CN 210985907 U CN210985907 U CN 210985907U
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- permanent magnet
- cylindrical linear
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- high thrust
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Abstract
The utility model relates to the technical field of motors, in particular to a high-thrust cylindrical linear motor, which comprises a rotor assembly and a stator assembly, wherein the stator assembly comprises a stator tube body, a spacing ring and a plurality of permanent magnet cylinder bodies, the stator tube is in a hollow tubular shape, the plurality of permanent magnet cylinder bodies are arranged inside the stator tube body at intervals, the spacing ring is arranged between two adjacent permanent magnet cylinder bodies, and resin is filled inside the stator tube body; the active cell subassembly includes shell body and a plurality of coil ring bodies of establishing ties, and the length direction's of shell body both ends are provided with the opening, and the coil ring body sets up in the inside of shell body, and the outside of stator body is located to the coaxial cover of a plurality of coil ring bodies, and the length of permanent magnetism cylinder is 1.5 ~ 3 times of the length sum of spacer ring and coil ring body. The utility model discloses a cylindrical linear electric motor of high thrust has higher thrust, and flexure resistance is good.
Description
Technical Field
The utility model relates to the technical field of electric machines, especially, relate to a cylindrical linear electric motor of high thrust.
Background
The linear motor is widely used in transmission systems of various high-speed and precise machines and machine tools, and comprises a rotor and a numerical control servo driver, wherein the stator is connected with the rotor, and the numerical control servo driver is used for controlling the magnitude and the direction of primary input current and controlling the magnitude and the direction of output thrust of the linear motor. The magnetic attraction force exists between the mover and the stator, generally, the higher the highest thrust of the linear motor is, the higher the magnetic attraction force is, the conventional high-thrust linear motor has two types of flat plate type linear motors and U-shaped linear motors, although the linear motor also has a cylindrical linear motor, the thrust is not large, generally less than 400N, if the magnetic density is further increased by the traditional technology to improve the thrust, the possibility of collision between the mover and the stator in a non-electrified state is increased, and the flexible bending influence performance of the cylindrical stator is generated after the stroke exceeds 1 m. It is therefore necessary to provide a cylindrical linear motor having a high thrust and a flexible bending which does not affect the performance after a stroke of more than 1 m.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cylindrical linear electric motor to prior art's not enough, thrust is high, and flexure resistance is good.
In order to achieve the above object, the utility model discloses a high thrust cylindrical linear motor, including active cell subassembly and stator module, the stator module includes stator tube body, spacer ring and a plurality of permanent magnetism cylinder, and the stator tube is hollow tubular, and a plurality of permanent magnetism cylinder intervals set up in the stator tube body, and the spacer ring sets up between two adjacent permanent magnetism cylinder, and the stator tube body is inside to be filled with resin; the active cell subassembly includes shell body and a plurality of coil ring bodies of establishing ties, and the length direction's of shell body both ends are provided with the opening, and the coil ring body sets up in the inside of shell body, and the outside of stator body is located to the coaxial cover of a plurality of coil ring bodies, and the length of permanent magnetism cylinder is 1.5 ~ 3 times of the length sum of spacer ring and coil ring body.
Preferably, the length of the coil ring body is 1.5-3 times of the length of the spacing ring.
Preferably, the length of the permanent magnet column is 4-6 times of the length of the spacing ring.
Preferably, the coil winding device further comprises two stoppers fixed to both ends of the outer case in the length direction by bolts, respectively, and the plurality of coil loops are confined between the two stoppers.
Preferably, the stator tube body is a stainless steel tube with the thickness of 0.8-2 mm.
Preferably, the outer shell is a hollow square body made of No. 45 steel.
Preferably, the length of the permanent magnet column body is 1.5-3 times of the diameter of the permanent magnet column body.
The utility model has the advantages that: the utility model discloses a cylindrical linear electric motor of high thrust, the inside packing of stator body has the resin, with permanent magnetism cylinder, spacer ring, the integration of stator body, improves stator module's wholeness, under certain operating voltage the utility model discloses a cylindrical linear electric motor of high thrust has higher thrust, and flexure resistance is good, and when the journey reached 1.6m, maximum thrust can reach 600N.
Drawings
Fig. 1 is a schematic view of a partially cut-away perspective structure of the present invention.
Fig. 2 is a schematic view of the axial cross-section structure of the present invention.
Fig. 3 is a schematic perspective view of the mover assembly of the present invention.
The reference numerals include:
1-stator assembly
11-stator tube body 12-spacing ring 13-permanent magnet column
2-mover assembly
21-outer shell 22-coil ring body
3, a stop block.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the cylindrical linear motor with high thrust of the present invention includes a rotor assembly 2 and a stator assembly 1, wherein the stator assembly 1 includes a stator tube 11, a spacer ring 12 and a plurality of permanent magnet cylinders 13, the stator tube is in a hollow tubular shape, the plurality of permanent magnet cylinders 13 are disposed inside the stator tube 11 at intervals, the spacer ring 12 is disposed between two adjacent permanent magnet cylinders 13, and the stator tube 11 is filled with resin; the rotor assembly 2 comprises an outer shell 21 and a plurality of coil ring bodies 22 connected in series, openings are formed in two ends of the outer shell 21 in the length direction, the coil ring bodies 22 are arranged inside the outer shell 21, the plurality of coil ring bodies 22 are coaxially sleeved outside the stator tube body 11, and the length of the permanent magnet column 13 is 1.5-3 times the sum of the lengths of the spacing ring 12 and the coil ring bodies 22. The spacer ring 12 is made of copper, and the copper spacer ring 12 has a magnetic shielding function, which contributes to suppressing the formation of back electromotive force in the coil ring body 22 and further contributes to improving the thrust of the motor. The utility model discloses a cylindrical linear electric motor of high thrust, 11 inside packings of stator body have the resin, with permanent magnetism cylinder 13, spacer ring 12, the integration of stator body 11, improve stator module 1's wholeness, the resin is filled and has reduced the loss of magnetic flux between two adjacent permanent magnetism cylinders 13, and the length of permanent magnetism cylinder 13 is 1.5 ~ 3 times of the length sum of spacer ring 12 and coil ring body 22 for under certain operating voltage the utility model discloses a cylindrical linear electric motor of high thrust has higher thrust, and flexure resistance is good, and when the journey reached 1.6m, the maximum thrust can reach 600N.
Preferably, the length of the coil loop body 22 is 1.5 to 3 times of the length of the spacer ring 12. The utility model discloses a cylindrical linear electric motor of high thrust, but the change of maximize utilization magnetic flux of coil ring body 22 produces vector thrust. The utility model discloses a cylindrical linear electric motor of high thrust, the thrust height. Specifically, the length of the permanent magnet column 13 is 4-6 times of the length of the spacing ring 12.
Further, still include two dogs 3, two dogs 3 are respectively through bolted fixation in the length direction's of shell body 21 both ends, a plurality of coil ring bodies 22 are restricted between two dogs 3. The utility model discloses a cylindrical linear electric motor of high thrust, simple structure easily assembles.
Preferably, the stator tube body 11 is a stainless steel tube with a thickness of 0.8-2 mm. The utility model discloses a cylindrical linear electric motor of high thrust, low in production cost is concrete, stator body 11 is the 304 stainless steel pipes that 1mm is thick, the utility model discloses a cylindrical linear electric motor of high thrust has higher thrust, and flexure resistance is good. Specifically, shell body 21 is No. 45 steel's cavity cuboid, the utility model discloses a cylindrical linear electric motor of high thrust simple structure, low in production cost.
Further, the length of permanent magnetism cylinder 13 is 1.5 ~ 3 times of the diameter of permanent magnetism cylinder 13, the utility model discloses a cylindrical linear electric motor of high thrust has higher thrust, and flexure resistance is good.
In conclusion, the present invention has the above-mentioned excellent characteristics, so that it can be used to enhance the effectiveness of the prior art and has practicability, and thus it is a product with practical value.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (7)
1. The utility model provides a cylindrical linear electric motor of high thrust, includes active cell subassembly (2) and stator module (1), its characterized in that: the stator assembly (1) comprises a stator tube body (11), a spacing ring (12) and a plurality of permanent magnet columns (13), the stator tube is hollow and tubular, the permanent magnet columns (13) are arranged inside the stator tube body (11) at intervals, the spacing ring (12) is arranged between two adjacent permanent magnet columns (13), and resin is filled inside the stator tube body (11); the rotor component (2) comprises an outer shell (21) and a plurality of coil ring bodies (22) connected in series, openings are formed in two ends of the outer shell (21) in the length direction, the coil ring bodies (22) are arranged inside the outer shell (21), the plurality of coil ring bodies (22) are coaxially sleeved outside the stator tube body (11), and the length of the permanent magnet cylinder (13) is 1.5-3 times the sum of the lengths of the spacing ring (12) and the coil ring bodies (22).
2. A high thrust cylindrical linear motor according to claim 1, wherein: the length of the coil ring body (22) is 1.5-3 times of the length of the spacing ring (12).
3. A high thrust cylindrical linear motor according to claim 1, wherein: the length of the permanent magnet column (13) is 4-6 times of the length of the spacing ring (12).
4. A high thrust cylindrical linear motor according to claim 1, wherein: the coil comprises an outer shell (21) and is characterized by further comprising two stop blocks (3), wherein the two stop blocks (3) are fixed at two ends of the length direction of the outer shell (21) through bolts respectively, and the plurality of coil ring bodies (22) are limited between the two stop blocks (3).
5. A high thrust cylindrical linear motor according to claim 1, wherein: the stator tube body (11) is a stainless steel tube with the thickness of 0.8-2 mm.
6. A high thrust cylindrical linear motor according to claim 1, wherein: the outer shell (21) is a hollow square body made of No. 45 steel.
7. A high thrust cylindrical linear motor according to claim 1, wherein: the length of the permanent magnet column (13) is 1.5-3 times of the diameter of the permanent magnet column (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922063171.XU CN210985907U (en) | 2019-11-26 | 2019-11-26 | Cylindrical linear electric motor of high thrust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922063171.XU CN210985907U (en) | 2019-11-26 | 2019-11-26 | Cylindrical linear electric motor of high thrust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210985907U true CN210985907U (en) | 2020-07-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922063171.XU Active CN210985907U (en) | 2019-11-26 | 2019-11-26 | Cylindrical linear electric motor of high thrust |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114123639A (en) * | 2021-11-26 | 2022-03-01 | 意力(广州)电子科技有限公司 | Electrodynamic cylinder |
| WO2022047867A1 (en) * | 2020-09-04 | 2022-03-10 | 瑞声声学科技(深圳)有限公司 | Linear motor |
-
2019
- 2019-11-26 CN CN201922063171.XU patent/CN210985907U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022047867A1 (en) * | 2020-09-04 | 2022-03-10 | 瑞声声学科技(深圳)有限公司 | Linear motor |
| CN114123639A (en) * | 2021-11-26 | 2022-03-01 | 意力(广州)电子科技有限公司 | Electrodynamic cylinder |
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