CN220156386U - Linear motor with novel structure - Google Patents
Linear motor with novel structure Download PDFInfo
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- CN220156386U CN220156386U CN202321364043.9U CN202321364043U CN220156386U CN 220156386 U CN220156386 U CN 220156386U CN 202321364043 U CN202321364043 U CN 202321364043U CN 220156386 U CN220156386 U CN 220156386U
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- bottom plate
- moving platform
- sliding
- linear motor
- stator
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- 230000033001 locomotion Effects 0.000 claims abstract description 11
- 239000000428 dust Substances 0.000 claims description 12
- 230000006698 induction Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims 1
- 230000004308 accommodation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a novel structure linear motor, which comprises a bottom plate, a moving platform and a driving device, wherein the driving device comprises a stator and a rotor, the stator is arranged on the bottom plate, the rotor is connected with the moving platform, the stator and the rotor comprise a plurality of coils, current generates a magnetic field through the coils and drives the rotor to move relative to the stator so as to realize the movement of the moving platform relative to the bottom plate.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a linear motor with a novel structure.
Background
A linear motor is a transmission device for directly converting electric energy into linear motion mechanical energy, and can be regarded as a deformation of a rotary motor in terms of structure, and can be regarded as a rotary motor which is split along the radial direction thereof and then leveled and evolved.
At present, most of the stators of the existing linear motors are magnets, when the rotor moves relative to the stator of the magnet, the problems of high noise and insufficient thrust are often faced, and further, the stator is the magnet, so that the motor is still affected by cogging after power failure, the instability of the motor is increased, and the service life of the motor is reduced.
Disclosure of Invention
The utility model aims at solving the technical problems that most of the stators of the conventional linear motors exist in the prior art, and when a rotor moves relative to a magnet stator, the problems of high noise and insufficient thrust are often faced, and furthermore, the stator is a magnet, so that the motor is still influenced by cogging after power failure, the instability of the motor is increased, and the service life of the motor is shortened.
The utility model relates to a novel-structure linear motor, which comprises a bottom plate, a moving platform and a driving device, wherein the driving device comprises a stator and a rotor, the stator is arranged on the bottom plate, the rotor is connected with the moving platform, the stator and the rotor comprise a plurality of coils, and current generates a magnetic field through the coils and drives the rotor to move relative to the stator so as to realize the movement of the moving platform relative to the bottom plate.
Further, the moving platform is provided with a first sliding part below, the bottom plate is provided with a second sliding part, and the first sliding part is slidably connected with the first sliding part so as to realize sliding connection between the moving platform and the bottom plate.
Further, the first sliding part comprises a sliding groove, and the second sliding part comprises a sliding rail which is in sliding connection with the sliding groove so as to realize the sliding connection between the first sliding part and the first sliding part.
Further, the mobile platform further comprises a bearing table, the upper end face of the bearing table is fixedly connected to the lower end face of the mobile platform, and the lower end face of the bearing table is fixedly connected to the upper end face of the first sliding part.
Further, the device also comprises a sliding connection part and a U-shaped photoelectric switch, wherein the two sides of the bottom plate are provided with baffle plates, the baffle plate on one side of the bottom plate is provided with a mounting groove, one end of the sliding connection part is connected with the mounting groove in a sliding manner, the other end of the sliding connection part is connected with the U-shaped photoelectric switch, one side of the moving platform is fixed with an induction piece, and the moving platform moves relative to the bottom plate to realize the movement of the induction piece relative to the U-shaped photoelectric switch;
the magnetic grating is arranged on the baffle plate at the other side of the bottom plate, the reading head is fixed on the other side of the movable platform, and the movable platform moves relative to the bottom plate so as to realize the movement of the reading head relative to the magnetic grating.
Further, the bottom plate is provided with end plates at both ends, and the end plates are provided with flexible stoppers at one side facing the moving platform.
Further, the novel linear motor further comprises a dust baffle arranged above the moving platform, the bottom plate is provided with end plates at two ends, the top of the end plate is provided with a clamping part, and the clamping part is used for fixing the dust baffle.
Further, the clamping portion comprises a first clamping unit and a second clamping unit, and the dust baffle is clamped between the first clamping unit and the second clamping unit.
Further, the movable platform is further provided with a wire baffle plate on one side, and the wire baffle plate is used for limiting a motor circuit.
Further, the stator and the rotor are hollow to form a first accommodating space and a second accommodating space respectively, and a plurality of coils are arranged in the first accommodating space and the second accommodating space.
Compared with the prior art, the utility model has the following beneficial technical effects: through above-mentioned structure setting, because of stator and active cell inside cavity in order to form first accommodation space and second accommodation space respectively, be provided with a plurality of coils in first accommodation space and the second accommodation space, when the electric current passes through stator coil and active cell coil, will produce the magnetic field respectively, under the interact of magnetic field, the active cell will move relative to the stator to drive moving platform and remove relative bottom plate.
The stator of the utility model replaces the traditional magnet by adopting the way that the coil is electrified to generate the magnetic field, the magnetic force of the stator can be controlled by the coil bundling number and the current intensity, the thrust of the linear motor can be adjusted in different scenes or demands during operation, and the operation noise is small, so that the problems of high noise and insufficient thrust caused by the fact that the stator of the traditional linear motor is mostly the magnet, when the rotor moves relative to the stator of the magnet, the stator always faces the problems of high noise and insufficient thrust are solved, and furthermore, when the stator is in outage, the coil in the stator has no current effect, so that the magnetic field is not generated, and the technical problem that the traditional linear motor still suffers from the influence of the cogging after the motor is in outage due to the fact that the stator is the magnet is solved.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is another perspective view of the present utility model (dust plate not shown);
FIG. 3 is an enlarged view of a portion of the floor of the present utility model;
fig. 4 is a cross-sectional view of the present utility model.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or components referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first," "second," etc. may explicitly or implicitly include one or more features. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two components. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
Specific embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-4, the utility model provides a linear motor with a novel structure, which comprises a bottom plate 1, a moving platform 2 and a driving device 3, wherein the driving device 3 comprises a stator 31 and a rotor 32, the stator 31 is installed on the bottom plate 1, the rotor 32 is connected with the moving platform 2, the stator 31 and the rotor 32 comprise a plurality of coils, current generates a magnetic field through the coils and drives the rotor 32 to move relative to the stator 31 so as to realize the movement of the moving platform 2 relative to the bottom plate 1, in particular, in the embodiment, the stator 31 and the rotor 32 are hollow to form a first accommodating space 311 and a second accommodating space 321 respectively, and a plurality of coils 34 are arranged in the first accommodating space 311 and the second accommodating space 321.
Through the arrangement, because the stator 31 and the rotor 32 are hollow to form the first accommodating space 311 and the second accommodating space 321 respectively, a plurality of coils 34 are arranged in the first accommodating space 311 and the second accommodating space 321, when current passes through the coils 34 of the stator 31 and the coils 34 of the rotor 32, magnetic fields are generated respectively, under the interaction of the magnetic fields, the rotor 32 moves relative to the stator 31 so as to drive the moving platform 2 to move relative to the bottom plate 1, the stator 31 adopts a mode of generating the magnetic fields by electrifying the coils 34 to replace the traditional magnet, the magnetic force of the stator 31 can be controlled by the coil bundling number and the current intensity, and the thrust of the linear motor can be adjusted in different scenes or demands during operation, the linear motor has the advantages that the linear motor has low noise, large thrust and controllability during operation, and the stator can not generate a magnetic field when the stator is powered off, so that loss caused by the cogging effect of the motor is avoided, and the service life of the motor is prolonged.
Further, as an embodiment, the moving platform 2 is provided with the first sliding portion 21 below, specifically, the first sliding portion 21 may be a sliding groove 211, the base plate 1 is provided with the first sliding portion 21, specifically, the first sliding portion 21 may be a sliding rail 221, and the sliding rail 221 is slidably connected with the sliding groove 211, so as to realize the sliding connection between the moving platform 2 and the base plate 1.
Through the above structure, when the linear motor works, the moving mover 32 drags the moving platform 2, so that the sliding groove 211 moves relative to the sliding rail 221, so as to realize the movement of the moving platform 2 relative to the bottom plate 1.
Further, the moving platform 2 further includes a bearing platform 23, the upper end surface of the bearing platform 23 is fixedly connected to the lower end surface of the moving platform 2, and the lower end surface of the bearing platform 23 is fixedly connected to the upper end surface of the first sliding portion 21.
Specifically, the moving platform 2 of the present embodiment is provided with bearing tables 23 on two sides of the bottom end surface, the bottoms of the two bearing tables 23 are provided with sliding grooves 211, the bottom plate 1 is provided with two sliding rails 221 corresponding to the sliding grooves 211, the sliding rails 221 are slidably connected with the sliding grooves 211, so as to realize the sliding connection between the moving platform 2 and the bottom plate 1, and through the above structure, the bearing tables 23 can play a certain supporting role on the moving platform 2, thereby increasing the upper limit of the load of the moving platform 2.
Further, the utility model also comprises a sliding connection part 5 and a U-shaped photoelectric switch 113, wherein the two sides of the bottom plate 1 are provided with baffle plates 11, the baffle plates 11 on one side of the bottom plate 1 are provided with mounting grooves 6, one end of the sliding connection part 5 is connected with the mounting grooves 6 in a sliding manner, the other end of the sliding connection part is connected with the U-shaped photoelectric switch 113, the moving platform 2 is fixed with a sensing piece 24 on one side, the moving platform 2 moves relative to the bottom plate 1 to realize the movement of the sensing piece 24 relative to the U-shaped photoelectric switch 113, the baffle plates 11 on the other side of the bottom plate 1 are provided with magnetic grids 111, the moving platform 2 is fixed with reading heads 112 on the other side, and the moving platform 2 moves relative to the bottom plate 1 to realize the movement of the reading heads 112 relative to the magnetic grids 111.
With the above configuration, when the reading head 112 moves relative to the magnetic grating 111 following the moving platform 2, the reading head can convert the magnetic field signal detected on the magnetic grating 111 into an electrical signal. After the electric signal is processed by the signal processor, the position information of the mobile platform 2 can be obtained, and when the sensing piece 23 moves along with the mobile platform 2 relative to the U-shaped photoelectric switch 113, the sensing piece 23 can pass through the U-shaped photoelectric switch 113 so as to detect the motion state of the mobile platform 2.
Further, as a preferred embodiment, the base plate 1 is provided with end plates 12 at both ends, and the end plates 12 are provided with flexible stoppers 121 protruding from a side facing the moving platform 2, and specifically, the flexible stoppers 121 may be made of sponge, foam, soft rubber, or the like.
Through the above structure arrangement, the end plate 12 can play a limiting and protecting role on the mobile platform 2, and the mobile platform 2 only moves between the end plates 12 at two ends of the bottom plate 1 to prevent the mobile platform 2 from sliding down on the bottom plate 1, and further, when the mobile platform 2 moves to the end plate 12, the mobile platform will first lean against the flexible stop piece 121 to further play a role in protecting the mobile platform 2.
Further, the linear motor of the present utility model further includes a dust plate 25 disposed above the moving platform 2, and the end plate 12 is provided with a clamping portion 122 at the top, the clamping portion 122 is used for fixing the dust plate 25, specifically, the clamping portion 122 includes a first clamping unit 1221 and a second clamping unit 1222, and the dust plate 25 is clamped between the first clamping unit 1221 and the second clamping unit 1222. When the motor is not in operation, the dust plate 25 can be used for preventing dust from falling into the mobile platform 2, and further, the mobile platform 2 of the embodiment is further provided with a wire baffle 7 on one side, and the wire baffle 7 is used for limiting the motor circuit.
The above description of one or more embodiments provided in connection with the detailed description is not intended to limit the utility model to the particular form or form disclosed. The method, structure, etc. similar to or identical to those of the present utility model, or some technical deductions or substitutions are made on the premise of the inventive concept, should be regarded as the protection scope of the present utility model.
Claims (10)
1. The utility model provides a novel structure linear electric motor, includes bottom plate (1), moving platform (2) and drive arrangement (3), drive arrangement (3) include stator (31) and active cell (32), stator (31) install in bottom plate (1), active cell (32) with moving platform (2) are connected, a serial communication port, stator (31) and active cell (32) include a plurality of coils (34), and electric current passes through coil (34) produces the magnetic field, and drives active cell (32) are relative stator (31) remove, in order to realize moving platform (2) are relative the removal of bottom plate (1).
2. The linear motor with the novel structure according to claim 1, wherein the moving platform (2) is provided with a first sliding part (21) below, the bottom plate (1) is provided with a second sliding part (22), and the first sliding part (21) is slidably connected to the first sliding part (21), so as to realize sliding connection between the moving platform (2) and the bottom plate (1).
3. The linear motor with the novel structure according to claim 2, wherein the first sliding portion (21) comprises a sliding groove (211), the second sliding portion (22) comprises a sliding rail (221), and the sliding rail (221) is slidably connected with the sliding groove (211) so as to realize sliding connection between the first sliding portion (21) and the first sliding portion (21).
4. The linear motor with the novel structure according to claim 2, wherein the moving platform (2) further comprises a bearing table (23), an upper end surface of the bearing table (23) is connected to a lower end surface of the moving platform (2), and a lower end surface of the bearing table (23) is connected to an upper end surface of the first sliding portion (21).
5. The novel-structure linear motor according to claim 1, further comprising a sliding connection part (5) and a U-shaped photoelectric switch (113), wherein baffles (11) are arranged on two sides of the bottom plate (1), a mounting groove (6) is formed in one baffle (11) of the bottom plate (1), one end of the sliding connection part (5) is connected with the mounting groove (6) in a sliding manner, the other end of the sliding connection part is connected with the U-shaped photoelectric switch (113), an induction piece (24) is fixed on one side of the moving platform (2), and the moving platform (2) moves relative to the bottom plate (1) to enable the induction piece (24) to move relative to the U-shaped photoelectric switch (113);
the magnetic grating is arranged on a baffle plate (11) on the other side of the bottom plate (1), a reading head (112) is fixed on the other side of the movable platform (2), and the movable platform (2) moves relative to the bottom plate (1) so as to realize the movement of the reading head (112) relative to the magnetic grating (111).
6. A new construction of a linear motor according to claim 1, characterized in that the bottom plate (1) is provided with end plates (12) at both ends, the end plates (12) being provided with flexible stops (121) at the side facing the moving platform (2).
7. The linear motor with the novel structure according to claim 1, further comprising a dust plate (25) arranged above the moving platform (2), wherein the bottom plate (1) is provided with end plates (12) at two ends, the end plates (12) are provided with clamping parts (122) at the top, and the clamping parts (122) are used for fixing the dust plate (25).
8. The linear motor of claim 7, wherein the clamping portion (122) includes a first clamping unit (1221) and a second clamping unit (1222), and the dust plate (25) is clamped between the first clamping unit (1221) and the second clamping unit (1222).
9. The linear motor with the novel structure according to claim 1, wherein a wire baffle (7) is further arranged on one side of the moving platform (2), and the wire baffle (7) is used for limiting a motor circuit.
10. The linear motor with the novel structure according to claim 1, wherein the stator (31) and the mover (32) are hollow to form a first accommodating space (311) and a second accommodating space (321) respectively, and a plurality of coils (34) are arranged in the first accommodating space (311) and the second accommodating space (321).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321364043.9U CN220156386U (en) | 2023-05-31 | 2023-05-31 | Linear motor with novel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321364043.9U CN220156386U (en) | 2023-05-31 | 2023-05-31 | Linear motor with novel structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220156386U true CN220156386U (en) | 2023-12-08 |
Family
ID=89018005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321364043.9U Active CN220156386U (en) | 2023-05-31 | 2023-05-31 | Linear motor with novel structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220156386U (en) |
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2023
- 2023-05-31 CN CN202321364043.9U patent/CN220156386U/en active Active
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