CN212969230U - Torque motor with non-magnetic support frame - Google Patents
Torque motor with non-magnetic support frame Download PDFInfo
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- CN212969230U CN212969230U CN202022250325.9U CN202022250325U CN212969230U CN 212969230 U CN212969230 U CN 212969230U CN 202022250325 U CN202022250325 U CN 202022250325U CN 212969230 U CN212969230 U CN 212969230U
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Abstract
The utility model provides a torque motor of magnetic conduction support frame is not led in area relates to torque motor technical field. The stator part is fixed above the base and is annular, the supporting frame is annular, a plurality of parallel supporting parts are fixedly installed on the outer side of the supporting frame through bolts with equal intervals, the supporting parts are made of non-magnetic materials, a winding groove is formed between every two adjacent supporting parts, a winding is wound on the supporting parts and is embedded into the winding groove, the rotor part is arranged on the outer side of the stator part, a gap is reserved between the magnetic pole ring layer and the winding, the rotor core is fixedly connected with the inner sleeve through the connecting cover plate, and the inner sleeve is arranged inside the supporting frame. The middle winding of the utility model is supported and fixed on the supporting frame through the non-magnetic conducting support part, thereby eliminating the influence of torque fluctuation generated by electromagnetic effect in the stator part on the load, improving the speed stability of the load, realizing 0 speed fluctuation under light load and low rotating speed state, and improving the use safety; the method can be applied to equipment with high requirement on speed control precision.
Description
Technical Field
The utility model relates to a torque motor technical field, in particular to torque motor of magnetic conduction support frame is not led in area.
Background
The torque motor (torque motor for short) is a special motor with a large number of poles, can continuously run at low speed of the motor even in a locked state (namely, a rotor cannot rotate), and cannot cause damage to the motor. The torque motor can also provide torque (braking torque) opposite to the running direction, and can be used in devices with frequent forward rotation and reverse rotation.
The torque motor is a transmission mechanical device, and the output is directly used for driving a load. The torque motor mainly comprises a stator part and a rotor part, wherein the stator part comprises a stator core and a winding, the winding is wound on the stator core and supported by the stator core, after a winding circuit is switched on, the stator part can generate a rotating magnetic field, and the rotor part generates torque under the action of the rotating magnetic field. In the running process of the torque motor transmission system, torque fluctuation generated by the electromagnetic effect from the stator iron core directly acts on a load, so that the speed stability and the control precision of the system are influenced, particularly, the proportion of a torque fluctuation value in the output torque of the motor is obviously increased in a light-load and low-rotating-speed state, and the influence cannot be ignored.
SUMMERY OF THE UTILITY MODEL
The utility model provides a torque motor of magnetic conduction support frame is not led in area overcomes the defect that above-mentioned prior art exists.
The specific technical scheme is that the torque motor with the non-magnetic support frame comprises: the frame, be equipped with the circuit line mouth that supplies the circuit to pass on the frame and be used for the fixed mounting hole of installation, the top fixed mounting of frame is being annular stator part, the stator part includes: the supporting frame is annular, a plurality of parallel branch parts are fixedly installed on the outer side of the supporting frame through bolts at equal intervals, each branch part is made of a non-magnetic material, a winding groove is formed between every two adjacent branch parts, the winding is wound on the branch parts and embedded into the winding groove, a rotor part is arranged on the outer side of the stator part, and the rotor part comprises: the magnetic pole ring layer is formed by applying an even number of magnetic pole blocks on the inner side of the rotor core at equal intervals in a circumferential direction, the same magnetic poles of the adjacent magnetic pole blocks are arranged in an up-down position in an opposite mode, a gap is reserved between the magnetic pole ring layer and the winding, the rotor core is fixedly connected with an inner sleeve through a connecting cover plate, the inner sleeve is arranged inside the supporting frame, a bearing is arranged between the inner sleeve and the supporting frame, and a shaft locking plate is arranged at one side, far away from the connecting cover plate, of the end part of the inner sleeve.
Further, the stator portion further includes: the sealing piece is made of a non-magnetic material, the sealing piece is clamped on the supporting frame, and the winding is located inside the sealing piece.
Further, an annular inner clamping core is arranged above the outer edge of the base, an annular outer clamping groove is arranged below the outer edge of the rotor core, the outer clamping groove is sleeved above the inner clamping core, an annular upper clamping groove is arranged at the inner edge of the support frame, an annular lower clamping groove is arranged at the outer edge of the inner sleeve, and the upper clamping groove and the lower clamping groove are embedded and installed with each other.
Furthermore, a ring platform for supporting the bearing is arranged above the outer side of the inner sleeve, and a support block and a base plate are fixedly arranged between the shaft locking plate and the inner sleeve.
Furthermore, a first through hole and a second through hole are formed in the connecting cover plate in the circumferential direction, the first connecting hole is close to the outer edge of the connecting cover plate, the connecting cover plate is in bolt fastening connection with the rotor core at the first connecting hole, the second connecting hole is close to the inner edge of the connecting cover plate, and the connecting cover plate is in bolt fastening connection with the inner sleeve at the second connecting hole.
Due to the adoption of the technical scheme, compared with the prior art, the method has the following technical advantages: the torque motor of the utility model has no iron core inside the stator part, the winding is supported and fixed on the support frame through the non-magnetic support part, the influence of the torque fluctuation generated by the electromagnetic effect in the stator part on the load can be eliminated, the speed stability of the load is improved, the 0-speed fluctuation can be realized under the light load and low rotating speed state, and the use safety is improved; the method can be applied to equipment with high requirements on speed control precision, such as laser scribing equipment.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
FIG. 1 is a perspective view of a torque motor with a non-magnetic support frame;
FIG. 2 is a left side view of a torque motor with a non-magnetic support frame;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is an internal schematic view of a torque motor with a non-magnetic support frame;
fig. 5 is a schematic view of a partial structure of a torque motor with a non-magnetic support frame.
Wherein:
1. the magnetic pole type motor comprises a base, 2, a stator part, 3, a rotor part, 4, an inner sleeve, 5, a bearing, 6, a backing plate, 7, a support block, 11, a circuit wire port, 13, a mounting hole, 14, an inner clamping core, 21, a support frame, 22, a support part, 23, a sealing part, 24, a winding groove, 25, a winding, 26, an upper clamping groove, 31, a rotor core, 32, a magnetic pole ring layer, 33, a magnetic pole block, 34, a connecting cover plate, 35, a first fixing hole, 36, an outer clamping groove, 37, a second fixing hole, 38, a locking shaft plate, 41, a ring platform, 42 and a lower clamping groove.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings 1-5. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
In the description of the present invention, it should be noted that the terms "inner", "outer", "left" and "right" are used for indicating the position or positional relationship based on the positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus should not be construed as limiting the present invention.
Example (b): the utility model provides a torque motor of area magnetic not lead support frame, includes: the motor base 1, be equipped with the circuit line mouth 11 that supplies the circuit to pass and be used for the fixed mounting hole 13 of installation on the motor base 1, the top fixed mounting of motor base 1 is being annular stator part 2, stator part 2 includes: the stator comprises a support frame 21 and a winding 25, wherein the support frame 21 is annular, a plurality of parallel support pieces 22 are fixedly mounted on the outer side of the support frame 21 through bolts at equal intervals, the support pieces 22 are made of non-magnetic materials, a winding groove 24 is formed between every two adjacent support pieces 22, the winding 25 is wound on the support pieces 22 and is embedded into the winding groove 24, and the structural characteristics of the stator part 2 can be clearly shown in fig. 4 and 5. A rotor portion 3 is provided on the outside of the stator portion 2, the rotor portion 3 including: the magnetic pole structure comprises a rotor core 31 and a magnetic pole ring layer 32, wherein the magnetic pole ring layer 32 is formed by adhering an even number of magnetic pole blocks 33 on the inner side of the rotor core 31 at equal intervals in the circumferential direction, the same magnetic poles of the adjacent magnetic pole blocks 33 are arranged in an up-down position in an opposite mode, a gap is reserved between the magnetic pole ring layer 32 and a winding 25, the rotor core 31 is fixedly connected with an inner sleeve 4 through a connecting cover plate 34, the inner sleeve 4 is arranged in a support frame 21, a bearing 5 is arranged between the inner sleeve 4 and the support frame 21, and a shaft locking plate 38 is arranged at the end part of the inner sleeve 4 and on the side far away from the connecting cover plate 34.
The stator portion 2 further includes: the sealing piece 23 is made of a non-magnetic material, the sealing piece 23 is clamped on the support frame 21, and the winding 25 is located inside the sealing piece 23.
An annular inner clamping core 14 is arranged above the outer edge of the machine base 1, an annular outer clamping groove 36 is arranged below the outer edge of the rotor core 31, the outer clamping groove 36 is sleeved above the inner clamping core 14, an annular upper clamping groove 26 is arranged on the inner edge of the support frame 21, an annular lower clamping groove 42 is arranged on the outer edge of the inner sleeve 4, and the upper clamping groove 26 and the lower clamping groove 42 are embedded into each other.
A ring platform 41 for supporting the bearing 5 is arranged above the outer side of the inner sleeve 4, and a support block 7 and a backing plate 6 are fixedly arranged between the shaft locking plate 38 and the inner sleeve 4.
The connecting cover plate 34 is circumferentially provided with a first fixing and connecting hole 35 and a second fixing and connecting hole 37 which are communicated, the first fixing and connecting hole 35 is close to the outer edge of the connecting cover plate 34, the connecting cover plate 34 and the rotor core 31 are in bolt fastening connection at the first fixing and connecting hole 35, the second fixing and connecting hole 37 is close to the inner edge of the connecting cover plate 34, and the connecting cover plate 34 and the inner sleeve 4 are in bolt fastening connection at the second fixing and connecting hole 37.
The utility model discloses the installation: the supporting frame 21 made of a strong magnetic material is fixedly installed above the base 1, the branch pieces 22 made of a non-magnetic material are fixedly installed on the outer side of the supporting frame 21 at equal intervals through bolts, a winding groove 24 is formed between every two adjacent branch pieces 22, a winding 25 coil penetrates through the circuit wire port 11, winds on the branch pieces 22 and is embedded into the winding groove 24, the sealing piece 23 made of a non-magnetic material is clamped on the supporting frame 21, and the winding 25 is located inside the sealing piece 23 to obtain the stator part 2. And adhering an even number of magnetic pole blocks 33 to the inner side of the rotor core 31 at equal intervals in the circumferential direction, and alternately arranging the same magnetic poles of the adjacent magnetic pole blocks 33 in the vertical direction to form the magnetic pole ring layer 32, thereby obtaining the rotor part 3. The rotor part 3 is arranged on the outer side of the stator part 2, a gap is reserved between the magnetic pole ring layer 32 and the winding 25, the rotor core 31 and the machine base 1 are fixed in position above the inner clamping core 14 through the outer clamping groove 36 in a sleeved mode, and radial deviation of the rotor core 31 is avoided. The cover connecting plate 34 is in bolt fastening connection with the rotor core 31 at the first fixed connecting hole 35, the cover connecting plate 34 is in bolt fastening connection with the inner sleeve 4 at the second fixed connecting hole 37, the bearing 5 is installed between the inner sleeve 4 and the support frame 21, the support frame 21 is in embedded installation with the inner sleeve 4 through the upper clamping groove 26 and the lower clamping groove 42, radial fixation is realized, and the locking shaft plate 38 is installed at one side of the end part of the inner sleeve 4, which is far away from the cover connecting plate 34.
When the electric circuit is completed, the stator portion 2 generates a rotating magnetic field, and the rotor portion 3 rotates relative to the stator portion 2 to generate a torque. The torque motor of the utility model has no iron core inside the stator part 2, the winding 25 is supported and fixed on the supporting frame 21 through the non-magnetic supporting part 22, the influence of the torque fluctuation generated by the electromagnetic effect in the stator part 2 on the load can be eliminated, the speed stability of the load is improved, and under the light load and low rotating speed state, the 0-speed fluctuation can be realized, and the use safety is improved; the method can be applied to equipment with high requirements on speed control precision, such as laser scribing equipment.
Claims (5)
1. The utility model provides a torque motor of area magnetic not lead support frame, includes: the machine base (1), the machine base (1) is provided with a circuit wire port (11) for a circuit to pass through and a mounting hole (13) for mounting and fixing, and is characterized in that,
the top fixed mounting of frame (1) is being annular stator part (2), stator part (2) include: the stator comprises a support frame (21) and a winding (25), wherein the support frame (21) is annular, a plurality of parallel branch parts (22) are fixedly installed on the outer side of the support frame through bolts at equal intervals, the branch parts (22) are made of non-magnetic materials, a winding groove (24) is formed between every two adjacent branch parts (22), the winding (25) is wound on the branch parts (22) and embedded into the winding groove (24), a rotor part (3) is arranged on the outer side of the stator part (2),
the rotor portion (3) comprises: the magnetic pole ring comprises a rotor core (31) and a magnetic pole ring layer (32), wherein the magnetic pole ring layer (32) is formed by adhering an even number of magnetic pole blocks (33) to the inner side of the rotor core (31) at equal intervals in the circumferential direction, the same magnetic poles of the adjacent magnetic pole blocks (33) are arranged in a reversed manner in the vertical direction, a gap is reserved between the magnetic pole ring layer (32) and the winding (25), the rotor core (31) is fixedly connected with an inner sleeve (4) through a connecting cover plate (34), the inner sleeve (4) is arranged in the support frame (21), a bearing (5) is arranged between the inner sleeve (4) and the support frame (21), and a shaft locking plate (38) is arranged at the end part of the inner sleeve (4) and on the side far away from the connecting cover plate (34).
2. Torque motor with non-magnetically conductive support according to claim 1, wherein said stator part (2) further comprises: the sealing piece (23) is made of a non-magnetic material, the sealing piece (23) is clamped on the support frame (21), and the winding (25) is located inside the sealing piece (23).
3. The torque motor with the non-magnetic support frame according to claim 1,
an annular inner clamping core (14) is arranged above the outer edge of the base (1), an annular outer clamping groove (36) is arranged below the outer edge of the rotor core (31), the outer clamping groove (36) is sleeved above the inner clamping core (14),
the inner side edge of the support frame (21) is provided with an annular upper clamping groove (26), the outer side edge of the inner sleeve (4) is provided with an annular lower clamping groove (42), and the upper clamping groove (26) and the lower clamping groove (42) are embedded into each other.
4. The torque motor with the non-magnetic support frame according to claim 1, wherein a ring platform (41) for supporting the bearing (5) is arranged above the outer side of the inner sleeve (4), and a support block (7) and a backing plate (6) are fixedly arranged between the shaft locking plate (38) and the inner sleeve (4).
5. The torque motor with the non-magnetic support frame according to claim 1,
the connecting cover plate (34) is circumferentially provided with a first through fixing hole (35) and a second through fixing hole (37), the first through fixing hole (35) is close to the outer edge of the connecting cover plate (34), the connecting cover plate (34) is in bolt fastening connection with the rotor core (31) at the first through fixing hole (35), the second through fixing hole (37) is close to the inner edge of the connecting cover plate (34), and the connecting cover plate (34) is in bolt fastening connection with the inner sleeve (4) at the second through fixing hole (37).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022250325.9U CN212969230U (en) | 2020-10-12 | 2020-10-12 | Torque motor with non-magnetic support frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022250325.9U CN212969230U (en) | 2020-10-12 | 2020-10-12 | Torque motor with non-magnetic support frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212969230U true CN212969230U (en) | 2021-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022250325.9U Active CN212969230U (en) | 2020-10-12 | 2020-10-12 | Torque motor with non-magnetic support frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212969230U (en) |
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2020
- 2020-10-12 CN CN202022250325.9U patent/CN212969230U/en active Active
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