CN112217367A - Combined linear motor end cover - Google Patents
Combined linear motor end cover Download PDFInfo
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- CN112217367A CN112217367A CN201910616966.0A CN201910616966A CN112217367A CN 112217367 A CN112217367 A CN 112217367A CN 201910616966 A CN201910616966 A CN 201910616966A CN 112217367 A CN112217367 A CN 112217367A
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- end cover
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- sliding sleeve
- linear motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K41/00—Propulsion systems in which a rigid body is moved along a path due to dynamo-electric interaction between the body and a magnetic field travelling along the path
- H02K41/02—Linear motors; Sectional motors
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
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- Engineering & Computer Science (AREA)
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- Combustion & Propulsion (AREA)
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- Linear Motors (AREA)
Abstract
The embodiment of the application belongs to the technical field of motors and relates to a combined linear motor end cover. The technical scheme provided by the application comprises an end cover body, a sliding sleeve and a limiting ring; the sliding sleeve is located the end cover is originally internal, sliding sleeve and active cell sliding connection just support the active cell, the spacing ring is located the end cover body is close to motor body one side for carry on spacingly to the active cell stroke, not only have dustproof and the effect of protection, still supply the active cell to slide through setting up the sliding sleeve, support the operation of active cell, the spacing ring can be spacing to the active cell in addition, tubular linear electric motor overall structure can be simplified, linear electric motor's volume can be reduced, thereby the shared space of linear electric motor inner structure has been reduced betterly, the motor inner structure has greatly been optimized, the cost of motor is reduced, make manufacturing and maintenance more simple and convenient.
Description
Technical Field
The application relates to the technical field of motors, in particular to a combined linear motor end cover.
Background
A linear motor is a transmission device that directly converts electric energy into mechanical energy for linear motion without any intermediate conversion mechanism. The rotary motor can be seen as being formed by cutting a rotary motor in the radial direction and expanding the rotary motor into a plane. The side evolved from the stator is called the primary and the side evolved from the rotor is called the secondary. In practice, the primary and secondary are manufactured in different lengths to ensure that the coupling between the primary and secondary remains constant over the required range of travel. The linear motor can be a short primary long secondary and can also be a long primary short secondary. In consideration of manufacturing cost and operating cost, a linear induction motor is taken as an example: when the primary winding is connected with an AC power supply, a travelling wave magnetic field is generated in the air gap, and the secondary winding is cut by the travelling wave magnetic field to induce electromotive force and generate current, and the current and the magnetic field in the air gap interact to generate electromagnetic thrust. If the primary is fixed, the secondary moves linearly under the action of thrust; otherwise, the primary stage moves linearly. Linear motor drive control technology a linear motor application system not only needs to have a linear motor with good performance, but also needs to have a control system capable of realizing technical and economic requirements under safe and reliable conditions. With the development of automatic control technology and microcomputer technology, linear motors are increasingly controlled.
The existing tubular linear motor end cover only has the functions of dust prevention and protection and does not have the function of supporting the motor rotor, and the motor rotor needs to be supported to move by additionally arranging accessories such as a linear guide rail and the like. In order to ensure that an air gap between a rotor and a stator of the tubular linear motor is uniform, the assembly precision requirement of the linear guide rail is high, and the processing difficulty and the processing cost of motor parts are high.
Disclosure of Invention
The invention aims to provide a combined linear motor end cover which not only has the functions of dust prevention and protection, but also supports the operation of a rotor by arranging a sliding sleeve for the rotor to slide, and a limiting ring can limit the rotor, so that the overall structure of a tubular linear motor can be simplified, the volume of the linear motor can be reduced, the space occupied by the internal structure of the linear motor is reduced better, the internal structure of the motor is optimized greatly, the cost of the motor is reduced, and the manufacture and the maintenance are simpler and more convenient.
In order to solve the above-mentioned problems, embodiments of the present invention provide the following technical solutions:
a combined type linear motor end cover which comprises a shell,
comprises an end cover body, a sliding sleeve and a limiting ring;
the sliding sleeve is arranged in the end cover body, the sliding sleeve is connected with the rotor in a sliding mode and supports the rotor, and the limiting ring is arranged on one side, close to the motor body, of the end cover body and used for limiting the stroke of the rotor.
Furthermore, the end cover body is equipped with first mounting groove towards motor body one side, it is equipped with first screw hole to keep away from motor body one side on the end cover body, first mounting groove is used for installing the spacing ring, be equipped with on the spacing ring with first screw hole complex first counter bore, the spacing ring passes through the fix with screw on the end cover body.
Further, the limiting ring is made of soft materials.
Further, a second mounting groove is formed in the end cover body and used for mounting the sliding sleeve.
Furthermore, a first spigot is arranged on one side, away from the motor body rotor, of the end cover body, and the first spigot is used for positioning when the motor body is assembled on equipment.
Furthermore, a second spigot is arranged on one side, facing the motor body, of the end cover body, and the second spigot is used for positioning when the end cover body is assembled on the motor body.
Furthermore, a second counter bore is formed in one side, away from the motor body, of the end cover body, and the end cover body is fixed to the motor body through screws.
Further, a third mounting groove is formed in one side, far away from the motor body, of the end cover body, and a dustproof sealing ring is arranged on the third mounting groove.
Furthermore, a fourth mounting groove is formed in the position, close to the second spigot, of the end cover body, and an O-shaped sealing ring is arranged in the fourth mounting groove.
Furthermore, the end cover body, the sliding sleeve and the limiting ring are provided with through holes for the rotor to pass through.
Compared with the prior art, the embodiment of the invention mainly has the following beneficial effects:
the utility model provides a modular linear electric motor end cover, not only has the effect of preventing dust and protection, still supplies the active cell to slide through setting up the sliding sleeve, supports the operation of active cell, and the spacing ring can carry on spacingly to the active cell moreover, need not additionally to install stop gear additional, can simplify tubular linear electric motor overall structure, can reduce linear electric motor's volume, can be applied to the comparatively harsh occasion of motor volume requirement with linear electric motor from this. Therefore, the space occupied by the internal structure of the linear motor is well reduced, the internal structure of the motor is greatly optimized, the cost of the motor is reduced, and the manufacturing and maintenance are simpler and more convenient; the limiting ring is made of high-gravity rubber or silicon rubber, but is not limited to the exemplified materials. Therefore, the limiting ring can limit the operation range of the motor rotor, has the function of buffering the impact force of the motor rotor, and can well protect the rotor.
Drawings
In order to illustrate the solution of the invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are some embodiments of the invention, and that other drawings may be derived from these drawings by a person skilled in the art without inventive effort.
FIG. 1 is a schematic view of the overall structure of an end cap according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of an end cap from another perspective in an embodiment of the invention;
FIG. 3 is a cross-sectional view of an end cap in an embodiment of the present invention;
FIG. 4 is a cross-sectional view of an end cap body in an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a stop collar according to an embodiment of the present invention;
fig. 6 is a schematic view of the overall structure of a tubular linear motor according to an embodiment of the present invention;
FIG. 7 is a cross-sectional view of a tubular linear motor in an embodiment of the present invention;
fig. 8 is an overall structural view of a mover in the embodiment of the present invention;
fig. 9 is a schematic view of the overall structure of the linear bearing according to the embodiment of the present invention.
Description of reference numerals:
1. a motor body; 2. a mover; 21. a permanent magnet; 22. an iron core; 23. a front mandrel; 24. a rear mandrel; 25. a position feedback unit; 3. a stator; 31. a coil winding; 32. a wire frame; 4. an end cap; 41. an end cap body; 411. a first spigot; 412. a second spigot; 42. a limiting ring; 43. a first mounting groove; 44. a first counterbore; 45. a second mounting groove; 46. a second counterbore; 47. a third mounting groove; 471. a dustproof sealing ring; 48. a fourth mounting groove; 481. an O-shaped sealing ring; 49. a screw; 5. a linear bearing; 51. a bearing seat; 52. an adjustment member; 6. and (4) a sliding sleeve.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The terms "comprising" and "having," and any variations thereof, in the description and claims of the present invention and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and in the claims, or in the drawings, are used for distinguishing between different objects and not necessarily for describing a particular sequential order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The embodiment of the application provides a combined linear motor end cover,
comprises an end cover body, a sliding sleeve and a limiting ring;
the sliding sleeve is arranged in the end cover body, the sliding sleeve is connected with the rotor in a sliding mode and supports the rotor, and the limiting ring is arranged on one side, close to the motor body, of the end cover body and used for limiting the stroke of the rotor.
The combination formula linear electric motor end cover that this application embodiment provided not only has dustproof and the effect of protection, still supplies the active cell to slide through setting up the sliding sleeve, supports the operation of active cell, and the spacing ring can carry on spacingly to the active cell moreover, need not additionally to install stop gear additional, can simplify tubular linear electric motor overall structure, can reduce linear electric motor's volume, can be applied to the comparatively harsh occasion of motor volume requirement with linear electric motor from this. Therefore, the space occupied by the internal structure of the linear motor is well reduced, the internal structure of the motor is greatly optimized, the cost of the motor is reduced, and the manufacturing and maintenance are simpler and more convenient.
In order to make the technical solutions of the present invention better understood by those skilled in the art, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the relevant drawings.
Examples
A combined linear motor end cap, as shown in figures 1 to 5,
comprises an end cover body 41, a sliding sleeve 6 and a limiting ring 42;
the sliding sleeve 6 is arranged in the end cover body 41, the sliding sleeve 6 is connected with the rotor 2 in a sliding mode and supports the rotor 2, and the limiting ring 42 is arranged on one side, close to the motor body 1, of the end cover body 41 and used for limiting the stroke of the rotor 2.
The combined linear motor end cover provided by the embodiment of the invention has the functions of dust prevention and protection, the runner 2 can slide by arranging the sliding sleeve 6 to support the operation of the runner 2, the limiting ring 42 can limit the runner 2 without additionally arranging a limiting mechanism, the integral structure of the tubular linear motor can be simplified, the volume of the linear motor can be reduced, and the linear motor can be applied to occasions with strict requirements on the volume of the motor. Therefore, the space occupied by the internal structure of the linear motor is well reduced, the internal structure of the motor is greatly optimized, the cost of the motor is reduced, and the manufacturing and maintenance are simpler and more convenient.
The runner 2 is given certain supporting force through the sliding sleeve 6, so that the runner 2 can overcome the eccentric force generated by magnetic attraction in the sliding process, the runner 2 is always kept at the central position, the friction loss caused by eccentricity is reduced, the service life of the linear motor is effectively prolonged, and the linear motor can be applied to the field of high-power linear motors.
With reference to fig. 4 and 5, the end cover body 41 is provided with a first mounting groove 43 towards one side of the motor body 1, one side of the end cover body 41 away from the motor body 1 is provided with a first threaded hole, the first mounting groove 43 is used for mounting a limit ring 42, the limit ring 42 is provided with a first counter bore 44 matched with the first threaded hole, and the limit ring 42 is fixed on the end cover body 41 through a screw 49.
The spacing ring 42 is cylindric, when the active cell 2 is the linear motion along the axial, when the locating surface contact that cooperation set up on spacing ring 42 side end face and the active cell 2, the spacing ring 42 can restrict the stroke of active cell 2, the spacing ring 42 sets up in first mounting groove 43, fix the spacing ring 42 on end cover body 41 through screw 49, the space of having utilized end cover body 41 better realizes the spacing function to active cell 2, the spacing ring 42 can be integrated on end cover body 41 better, the occupation space is less, the motor inner structure has been optimized.
The stop collar 42 is made of a soft material, and in some examples of the invention, the stop collar 42 is made of acrylic rubber or silicon rubber, but is not limited to the illustrated materials. Therefore, the limiting ring 42 limits the operation range of the motor rotor 2, has the function of buffering the impact force of the motor rotor 2, and can well protect the motor rotor 2.
The end cover body 41 is provided with a second mounting groove 45, the second mounting groove 45 is used for mounting a sliding sleeve 6, the sliding sleeve 6 is fixedly arranged in the second mounting groove 45, and the sliding sleeve 6 is used for supporting the motor rotor 2 and plays a role of a sliding bearing. Sliding sleeve 6 adopts the little material machine-shaping of coefficient of friction to reduce with motor active cell 2 within a definite time frictional force, reduce the loss, improve motor operating efficiency, sliding sleeve 6 is cylindricly and is equipped with the step face, the step face with the notch department cooperation of second mounting groove 45 makes sliding sleeve 6's installation more stable.
Keep away from motor body 1 one side on the end cover body 41 and be equipped with first tang 411, first tang 411 is used for motor body 1 to fix a position when assembling on equipment, makes linear electric motor can install on equipment accurately, and the installation is also comparatively convenient.
The end cover body 41 is provided with a second seam allowance 412 on one side facing the motor body 1, and the second seam allowance 412 is used for positioning when the end cover body 41 is assembled on the motor body 1, so that the end cover body 41 can be accurately installed on the motor body 1, and the installation is also convenient.
The end cover body 41 is provided with a second counter bore 46 on one side far away from the motor body 1, the motor body 1 is provided with a threaded hole matched with the second counter bore 46, and the end cover body 41 is fixed on the motor body 1 through a screw 49.
The end cover body 41 is provided with a third mounting groove 47 on one side far away from the motor body 1, the third mounting groove 47 is provided with a dustproof sealing ring 471, the dustproof sealing ring 471 is in contact with the periphery of the rotor 2, and the dustproof sealing ring 471 can prevent dust and water from entering the motor body 1 and preventing the motor from being damaged.
With reference to fig. 3 and 4, a fourth installation groove 48 is formed in the end cap body 41 near the second seam allowance 412, and an O-ring 481 is arranged in the fourth installation groove 48. The O-ring 481 can further prevent dust and water from entering the motor body 1, thereby preventing the motor from being damaged.
The end cover body 41, the sliding sleeve 6 and the limiting ring 42 are all provided with through holes for the rotor 2 to pass through, so that conditions are provided for the rotor 2 to move linearly along the axial direction.
The combined linear motor end cover provided by the embodiment of the invention has the functions of dust prevention and protection, the runner 2 can slide by arranging the sliding sleeve 6 to support the operation of the runner 2, the limiting ring 42 can limit the runner 2 without additionally arranging a limiting mechanism, the integral structure of the tubular linear motor can be simplified, the volume of the linear motor can be reduced, and the linear motor can be applied to occasions with strict requirements on the volume of the motor. Therefore, the space occupied by the internal structure of the linear motor is well reduced, the internal structure of the motor is greatly optimized, the cost of the motor is reduced, and the manufacturing and maintenance are simpler and more convenient; the stop collar 42 is made of acrylic rubber or silicon rubber, but is not limited to the illustrated material. Therefore, the limiting ring 42 limits the operation range of the motor rotor 2, has the function of buffering the impact force of the motor rotor 2, and can well protect the motor rotor 2.
Based on the above-mentioned combination formula linear electric motor end cover, this application embodiment still provides a tubular linear electric motor, includes following technical scheme.
A tubular linear motor, as shown in fig. 6 to 9,
the combined linear motor end cover comprises a motor body 1, a stator 3, a rotor 2 and the combined linear motor end cover, wherein the rotor 2 and the stator 3 are arranged in the motor body 1, and the end cover 4 is arranged on the side surface of the motor body 1.
Specifically, as shown in fig. 7, the stator 3 includes a bobbin 32 and a coil winding 31 disposed on the bobbin 32, the mover 2 is disposed in the bobbin 32, and an air gap exists between the mover 2 and the stator 3. When the coil winding 31 is connected with an alternating current power supply, a traveling wave magnetic field is generated in the air gap, the mover 2 induces electromotive force under the cutting of the traveling wave magnetic field and generates current, and the current interacts with the magnetic field in the air gap to generate electromagnetic thrust. If the stator 3 is fixed, the rotor 2 moves linearly under the action of thrust; otherwise, the stator 3 moves linearly. In most cases, the mover 2 is linearly moved by an electromagnetic force.
The tubular linear motor provided by the embodiment of the invention has the advantages of greatly simplified structure, better dynamic response performance and positioning precision, better reliability and cost saving, and is suitable for high-speed linear motion because of no constraint of centrifugal force.
An air gap exists between the stator 3 and the rotor 2, and no mechanical contact exists during movement, so that no friction and noise exist during movement. Thus, the transmission parts can reduce abrasion, and can greatly reduce mechanical loss, thereby improving the overall efficiency.
As shown in fig. 8, the mover 2 includes a permanent magnet 21, an iron core 22, and a core shaft;
The mover 2 can not only provide the magnetic field for the linear electric motor, but also can directly support the mover 2 on the sliding sleeve 6 of the stator 3 to reciprocate the linear movement through the mandrel, the linear movement can be directly generated without passing through an intermediate conversion mechanism, the mover 2 is not required to be supported by an additional linear guide rail between the mover 2 and the stator 3, the mover 2 is matched with the stator 3 through the structure thereof, namely, the mover 2 slides in the sliding sleeve 6 on the stator 3 through the mandrel, so that the sliding structure between the mover 2 and the stator 3 does not need to occupy extra space, the volume of the linear electric motor can be reduced, and the linear electric motor can be applied to the occasion with harsh requirements on the volume of the motor. Therefore, the space occupied by the internal structure of the linear motor is well reduced, the internal structure of the motor is greatly optimized, the cost of the motor is reduced, and the manufacturing and maintenance are simpler and more convenient.
The core shaft comprises a front core shaft 23 and a rear core shaft 24 which are respectively arranged on one side of the iron cores 22 at two ends, a position feedback unit 25 is arranged on the rear core shaft 24, and the front core shaft 23 and the rear core shaft 24 are both formed by processing high-strength metal materials.
The rotor 2 is directly supported on the sliding sleeve 6 of the stator 3 through the front mandrel 23 and the rear mandrel 24 to perform reciprocating linear motion, and meanwhile, the position feedback unit 25 on the rear mandrel 24 can feed back the position of the rotor 2 to a control system of the motor in real time. Compared with the scheme of additionally arranging a position sensor outside the linear motor, the rotor 2 is provided with the position feedback unit 25, so that the space occupied by the internal structure of the linear motor is reduced well, and the internal structure of the linear motor is optimized.
In the embodiment of the invention, one side of the stator 3 is provided with a linear bearing 5.
As shown in fig. 9, the linear bearing 5 includes a sliding sleeve 6, a bearing seat 51 and an adjusting member 52;
the sliding sleeve 6 is arranged in the bearing seat 51, the mandrel is connected in the sliding sleeve 6 in a sliding mode, the adjusting piece 52 is arranged on the bearing seat 51, and the adjusting piece 52 faces towards one end of the mandrel and abuts against the mandrel and is used for adjusting the angle of the mandrel in the circumferential direction.
The dabber can be along axial linear motion in sliding sleeve 6, regulating part 52 butt in the dabber, regulating part 52 fixes a position the dabber circumferencial direction, prevents that the dabber from taking place to rotate along the circumferencial direction, still can adjust the angle of dabber along the circumferencial direction through regulating part 52, can set up position feedback unit 25 on the dabber to guarantee that the dabber sets up the face of position feedback unit 25 and be in the horizontal plane, perhaps the dabber is along the required angle of circumferencial direction, the range of application of linear bearing 5 has been promoted.
The linear bearing 5 gives the mandrel a certain supporting force through the sliding sleeve 6 and the adjusting piece 52, so that the mandrel can overcome the eccentric force generated by magnetic attraction in the sliding process, the friction loss caused by eccentricity is reduced, and the service life of the linear motor is effectively prolonged. Meanwhile, the linear bearing 5 has self-lubricating capacity, so that the friction loss between the sliding sleeve 6 and the mandrel can be reduced.
In the embodiment of the present invention, the linear bearing 5 is provided as one. In other embodiments, the linear bearing 5 may be provided in plurality for uniform support of the mandrel. A plurality of linear bearings 5 are arranged at intervals along the axial direction of the bearings to support the long cylindrical mandrel well, thereby further preventing the mandrel from being affected by eccentric force.
Give the dabber certain holding power through a plurality of linear bearing 5 for the dabber can overcome by magnetism the eccentric force that produces of inhaling at the slip in-process, makes the dabber remain central point all the time and puts, has reduced because the friction loss that the off-centre leads to, has effectively improved linear electric motor's life-span, can be applicable to high-power linear electric motor field.
According to the tubular linear motor provided by the embodiment of the invention, the rotor 2 can not only provide a magnetic field for the linear motor, but also directly support the rotor 2 on the sliding sleeve 6 of the stator 3 through the mandrel to perform reciprocating linear motion, and the rotor 2 is matched with the stator 3 through the self structure, namely, the rotor 2 slides in the sliding sleeve 6 on the stator 3 through the mandrel, so that the sliding structure between the rotor 2 and the stator 3 does not occupy extra space, the volume of the linear motor can be reduced, and the linear motor can be applied to occasions with strict requirements on the volume of the motor. Therefore, the space occupied by the internal structure of the linear motor is well reduced, the internal structure of the motor is greatly optimized, the cost of the motor is reduced, and the manufacturing and maintenance are simpler and more convenient;
the end cover 4 not only has the dustproof and protective effects, but also supports the operation of the rotor 2 by arranging the sliding sleeve 6 to allow the rotor 2 to slide, and the limiting ring 42 can limit the position of the rotor 2 without additionally installing a limiting mechanism, so that the overall structure of the tubular linear motor can be simplified, the volume of the linear motor can be reduced, and the linear motor can be applied to occasions with harsh requirements on the volume of the motor. Therefore, the space occupied by the internal structure of the linear motor is well reduced, the internal structure of the motor is greatly optimized, the cost of the motor is reduced, and the manufacturing and maintenance are simpler and more convenient;
the dabber can be along axial linear motion in sliding sleeve 6, regulating part 52 butt in the dabber, regulating part 52 fixes a position the dabber circumferencial direction, prevents that the dabber from taking place to rotate along the circumferencial direction, still can adjust the angle of dabber along the circumferencial direction through regulating part 52, can set up position feedback unit 25 on the dabber to guarantee that the dabber sets up the face of position feedback unit 25 and be in the horizontal plane, perhaps the dabber is along the required angle of circumferencial direction, the range of application of linear bearing 5 has been promoted.
The tubular linear motor provided by the embodiment of the invention has the advantages of greatly simplified structure, better dynamic response performance and positioning precision, better reliability, cost saving and suitability for high-speed linear motion, and because the constraint of centrifugal force does not exist, an air gap exists between the stator 3 and the rotor 2, and no mechanical contact exists during motion, no friction and noise exist during motion. Thus, the transmission parts can reduce abrasion, and can greatly reduce mechanical loss, thereby improving the overall efficiency.
In the description of the present invention, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present invention.
It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention without limiting its scope. This invention may be embodied in many different forms and, on the contrary, these embodiments are provided so that this disclosure will be thorough and complete. Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and modifications can be made, and equivalents may be substituted for elements thereof. All equivalent structures made by using the contents of the specification and the attached drawings of the invention can be directly or indirectly applied to other related technical fields, and are also within the protection scope of the patent of the invention.
Claims (10)
1. A combined linear motor end cover is characterized in that,
comprises an end cover body, a sliding sleeve and a limiting ring;
the sliding sleeve is arranged in the end cover body, the sliding sleeve is connected with the rotor in a sliding mode and supports the rotor, and the limiting ring is arranged on one side, close to the motor body, of the end cover body and used for limiting the stroke of the rotor.
2. The modular linear motor end cap of claim 1,
the end cover comprises an end cover body and is characterized in that a first mounting groove is formed in one side, facing the motor body, of the end cover body, a first threaded hole is formed in one side, far away from the motor body, of the end cover body, the first mounting groove is used for mounting a limiting ring, a first counter bore matched with the first threaded hole is formed in the limiting ring, and the limiting ring is fixed on the end cover body through screws.
3. The modular linear motor end cap of claim 1,
the limiting ring is made of soft materials.
4. The modular linear motor end cap of claim 1,
the end cover body is provided with a second mounting groove, and the second mounting groove is used for mounting a sliding sleeve.
5. The modular linear motor end cap of claim 1,
one side of the end cover body, which is far away from the motor body, is provided with a first spigot, and the first spigot is used for positioning when the motor body is assembled on equipment.
6. The modular linear motor end cap of claim 1,
the end cover body is provided with a second spigot towards one side of the motor body, and the second spigot is used for positioning when the end cover body is assembled on the motor body.
7. The modular linear motor end cap of claim 1,
and a second counter bore is formed in one side, away from the motor body, of the end cover body, and the end cover body is fixed on the motor body through screws.
8. The modular linear motor end cap of claim 1,
and a third mounting groove is formed in one side, away from the motor body, of the end cover body, and a dustproof sealing ring is arranged on the third mounting groove.
9. The modular linear motor end cap of claim 6,
and a fourth mounting groove is formed in the position, close to the second spigot, of the end cover body, and an O-shaped sealing ring is arranged in the fourth mounting groove.
10. The modular linear motor end cap of claim 1,
the end cover body, the sliding sleeve and the limiting ring are all provided with through holes for the rotor to pass through.
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| CN201910616966.0A CN112217367B (en) | 2019-07-09 | 2019-07-09 | Combined linear motor end cover |
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| CN201910616966.0A CN112217367B (en) | 2019-07-09 | 2019-07-09 | Combined linear motor end cover |
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| CN112217367A true CN112217367A (en) | 2021-01-12 |
| CN112217367B CN112217367B (en) | 2022-07-19 |
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| WO2013065180A1 (en) * | 2011-11-04 | 2013-05-10 | 三菱電機株式会社 | Cylindrical linear motor |
| CN107612183A (en) * | 2017-10-11 | 2018-01-19 | 河南师范大学 | A kind of noise isolating dust-proof motor end cap |
| CN207612150U (en) * | 2017-11-29 | 2018-07-13 | 苏州优德通力科技有限公司 | A kind of motor rear cover with sealing structure |
| CN107947512A (en) * | 2017-12-10 | 2018-04-20 | 山东理工大学 | A kind of In-wheel motor driving wheel |
| CN108539955A (en) * | 2018-04-09 | 2018-09-14 | 丁士来 | Short stroke switched relutance linear motor and application |
| CN109787448A (en) * | 2019-03-05 | 2019-05-21 | 西安电子科技大学 | A kind of primary permanent magnet linear motor actuator |
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