CN111865035A - Novel structure linear motor of magnet and coil - Google Patents

Abstract

The invention discloses a linear motor with a novel structure of a magnet and a coil, which comprises a machine shell (1), a rotor assembly (20) and a stator assembly (100), wherein the rotor assembly (20) and the stator assembly (100) are arranged in the machine shell (1), the rotor assembly (200) comprises a tungsten block (3), a permanent magnet (6), a stop block (5), a spring piece (4) and a yoke iron (2), the stator assembly (100) comprises an F-PCB (8), a coil (7) and a bracket (9), the coil (7) is fixedly connected with the F-PCB (8) after rotating towards an X-Y direction, and the permanent magnet (6) is fixedly connected with the tungsten block (3) after rotating towards the X-Y direction. The invention rotates the magnet and the coil in the X-Y direction for a certain angle, which can improve the length of the linear motor in the limited space and increase the length of the magnet and the coil under the polar coordinate, thereby designing larger electromagnetic driving force.

Description

Novel structure linear motor of magnet and coil

Technical Field

The invention relates to the field of linear motors, in particular to a linear motor with a novel structure of a magnet and a coil.

Background

The linear motor is generally composed of a mover assembly and a stator assembly, wherein the mover assembly includes a tungsten block, a permanent magnet, a spring plate, a yoke, and the like; the stator assembly comprises an F-PCB, a coil, a support and the like, the magnet and the coil are flatly installed inside the shell at present, so that the linear motor is in a limited space, the length of the magnet and the coil under a polar coordinate is small, the electromagnetic driving force is small, and the installation mode easily deflects in the Y direction when the linear motor assembly moves.

Disclosure of Invention

The invention aims to solve the technical problem that the magnet and the coil of the linear motor with the novel structure are respectively inclined at an angle, the length of the magnet and the coil can be increased in a limited space, the size is larger, larger electromagnetic driving force is generated, and the defects in the prior art can be effectively overcome.

The invention is realized by the following technical scheme: the utility model provides a magnet and novel structure linear electric motor of coil, includes the casing to and set up active cell subassembly and stator module in the casing, active cell subassembly includes tungsten piece, permanent magnet, stop block, spring leaf and yoke, stator module includes F-PCB, coil and support, and the coil is in the same place with tungsten piece fixed connection on linear electric motor's support behind the X-Y direction rotation angle with F-PCB fixed connection, permanent magnet behind the X-Y direction rotation angle.

As a preferable technical scheme, the spring pieces are arranged into two pieces which are respectively arranged at two sides of the tungsten block and used for supporting the tungsten block in parallel in the shell.

As a preferred technical scheme, the stop blocks are arranged on the spring pieces, and two stop blocks are arranged on each spring piece.

Preferably, two mounting portions are formed on the spring plate.

As preferred technical scheme, two installation departments include first installation department and second installation department, and the spring leaf is connected fixedly through first installation department and tungsten piece, and a stop block is installed to the outside end of first installation department, and one side of tungsten piece is lived in the spring leaf parcel, and the relative first installation department of second installation department sets up, and another stop block is installed on the second installation department, and this stop block sets up in being close to tungsten piece one side, and the stop block does not contact with the tungsten piece.

As a preferable technical scheme, the spring piece is in a shape like a nearly C.

As a preferred technical scheme, the tungsten block is arranged in a reserved groove, the permanent magnet is arranged in the reserved groove, and the inclination of the reserved groove is the same as the angle of the permanent magnet.

As a preferred technical scheme, the permanent magnets are arranged in a halbach array mode.

The invention has the beneficial effects that: the invention rotates the magnet and the coil in the X-Y direction for a certain angle, which can improve the length of the linear motor in the limited space and increase the length of the magnet and the coil under the polar coordinate, thereby designing larger electromagnetic driving force;

in addition, the problem of Y-direction deflection when the linear motor rotor assembly moves can be solved by adjusting the rotating angles of the magnets and the coils under the polar coordinates.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an installation schematic of the mover assembly of the present invention;

fig. 4 is a schematic diagram of a stator assembly of the present invention.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The use of terms such as "upper," "above," "lower," "below," and the like in describing relative spatial positions herein is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly

In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 and 2, the linear motor with the novel structure of the magnet and the coil of the present invention includes a casing 1, and a mover assembly 20 and a stator assembly 100 which are arranged in the casing 1, wherein the mover assembly 200 includes a tungsten block 3, a permanent magnet 6, a stopper 5, a spring plate 4 and a yoke 2, and the stator assembly 100 includes an F-PCB8, a coil 7 and a bracket 9;

as shown in fig. 3 and 4, after the coil 7 rotates in the X-Y direction, the coil and the F-PCB8 are fixedly connected to the bracket 9 of the linear motor, and after the permanent magnet 6 rotates in the X-Y direction, the permanent magnet is fixedly connected to the tungsten block 3, so that the length of the magnet and the coil in the polar coordinate can be increased in a limited space of the linear motor, and a larger electromagnetic driving force can be designed. The rotation angle of the magnet and the coil under the polar coordinate can be adjusted, and the problem of Y-direction deflection when the linear motor rotor assembly moves can be solved.

In this embodiment, the spring pieces 4 are provided as two pieces, which are respectively disposed on two sides of the tungsten block 3, and are used for supporting the tungsten block 3 in parallel inside the casing 1.

In the embodiment, the stop blocks 5 are arranged on the spring pieces 4, two stop blocks 5 are arranged on each spring piece 4, two installation parts are formed on each spring piece 4, each installation part comprises a first installation part and a second installation part, and the spring pieces 4 are fixedly connected with the tungsten block 3 through the first installation parts;

a stop block 5 is arranged at the outer side end of the first mounting part, one side of the tungsten block 3 is wrapped by the spring piece 4, the second mounting part is arranged opposite to the first mounting part, the other stop block 5 is arranged on the second mounting part, and the stop block 5 is arranged at one side close to the tungsten block 3;

the stop block 5 is not contacted with the tungsten block 3, and the spring piece 4 is in a nearly C shape. Through the structure of stop block, cause the influence to tungsten piece and spring leaf when preventing later stage spring leaf from using, increase the life of spring leaf.

Wherein, set up in the reservation recess on the tungsten piece 3, permanent magnet 6 installs in the reservation recess, and the inclination of this reservation recess is the same with the angle that the permanent magnet set up.

In this embodiment, the permanent magnet 6 is arranged in a halbach array mode, which can increase the magnetic induction intensity and improve the utilization rate of the permanent magnet.

The invention has the beneficial effects that: the invention rotates the magnet and the coil in the X-Y direction for a certain angle, which can improve the length of the linear motor in the limited space and increase the length of the magnet and the coil under the polar coordinate, thereby designing larger electromagnetic driving force;

in addition, the problem of Y-direction deflection when the linear motor rotor assembly moves can be solved by adjusting the rotating angles of the magnets and the coils under the polar coordinates.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims (8)

1. The utility model provides a novel structure linear electric motor of magnet and coil which characterized in that: including casing (1) to and set up active cell subassembly (20) and stator module (100) in casing (1), active cell subassembly (200) include tungsten piece (3), permanent magnet (6), stop block (5), spring leaf (4) and yoke (2), stator module (100) include F-PCB (8), coil (7) and support (9), and coil (7) are in the same place with F-PCB (8) fixed connection on linear electric motor's support (9) behind X-Y direction rotation angle, permanent magnet (6) are in the same place with tungsten piece (3) fixed connection behind the X-Y direction rotation angle.

2. The linear motor with a novel structure of the magnet and the coil as claimed in claim 1, wherein: the spring pieces (4) are arranged into two pieces and are respectively arranged on two sides of the tungsten block (3) and used for supporting the tungsten block (3) in the shell (1) in parallel.

3. The linear motor with a novel structure of the magnet and the coil as claimed in claim 1, wherein: the stop blocks (5) are arranged on the spring pieces (4), and two stop blocks (5) are arranged on each spring piece (4).

4. The linear motor with a novel structure of the magnet and the coil as claimed in claim 3, wherein: two mounting parts are formed on the spring piece (4).

5. The linear motor with a novel structure of the magnet and the coil as claimed in claim 4, wherein: two installation departments include first installation department and second installation department, spring leaf (4) are connected fixedly through first installation department and tungsten piece (3), stop block (5) are installed to the outside end of first installation department, one side of tungsten piece (3) is lived in spring leaf (4) parcel, the relative first installation department of second installation department sets up, another stop block (5) are installed on the second installation department, and this stop block (5) set up in being close to tungsten piece (3) one side, stop block (5) do not contact with tungsten piece (3).

6. The linear motor of novel structure of magnet and coil as claimed in claim 1, 4 or 5, wherein: the spring piece (4) is approximately C-shaped.

7. The linear motor with a novel structure of the magnet and the coil as claimed in claim 1, wherein: the tungsten block (3) is arranged in a reserved groove, the permanent magnet (6) is arranged in the reserved groove, and the inclination of the reserved groove is the same as the angle of the permanent magnet.

8. The linear motor with a novel structure of the magnet and the coil as claimed in claim 1, wherein: the permanent magnets (6) are arranged in a Halbach array mode.

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