CN212258749U

CN212258749U - Novel spring piece linear motor

Info

Publication number: CN212258749U
Application number: CN202021845671.5U
Authority: CN
Inventors: 聂鹏举; 刘辉; 黎平; 伍毅; 罗铁志; 朱勇民
Original assignee: Shenzhen Kelier Motor Co ltd
Current assignee: Shenzhen Kelier Motor Co ltd
Priority date: 2020-08-30
Filing date: 2020-08-30
Publication date: 2020-12-29
Anticipated expiration: 2030-08-30

Abstract

The utility model discloses a novel spring piece linear motor, which comprises a casing (1), a rotor assembly and a stator assembly, wherein the rotor assembly and the stator assembly are arranged in the casing (1), and the rotor assembly comprises a tungsten block (5), a permanent magnet (6), a spring piece (4), a yoke (2) and more than one stop block (3); the stator assembly comprises an F-PCB (8), a coil (7) and a bracket (9), wherein the coil (7) and the F-PCB (8) are fixedly connected to the bracket (9) of the linear motor; the tungsten block (5) and the permanent magnet (6) are fixedly installed, one end of the spring piece (4) is installed inside the tungsten block (5), the other end of the spring piece is connected with the machine shell (1), and the coil (7) is located in the magnetic field range of the permanent magnet (6). The utility model discloses when the spring leaf was installed inside the tungsten block, the spring leaf opening can be designed wideer, can effectual dispersion spring leaf stress, and to a great extent reduces the spring leaf because stress too concentrates the cracked risk of emergence.

Description

Novel spring piece linear motor

Technical Field

The utility model relates to the field of electric machines, concretely relates to novel spring leaf linear motor.

Background

Linear motor generally includes the active cell subassembly, stator module, the tungsten block passes through the spring leaf to be supported and sets up inside the casing, but traditional spring leaf is simple support tungsten block and casing, when using, the spring leaf is easy because stress is too concentrated and the fracture takes place, and because the inner space problem, the design of spring leaf can not its size of dimension of random change, to Y direction size broad or narrower linear motor, can not be according to the design requirement, the arm of force of adjustment spring leaf, thereby can not bear the bigger gravity of tungsten block Z direction, the risk of Z direction deformation has been increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a novel spring leaf linear motor installs spring leaf one end in the tungsten block, can effectively solve a great deal of among the prior art not enough.

The utility model discloses a realize through following technical scheme: a novel spring piece linear motor comprises a shell, a rotor assembly and a stator assembly, wherein the rotor assembly and the stator assembly are installed in the shell;

the stator component comprises an F-PCB, a coil and a bracket, wherein the coil and the F-PCB are fixedly connected to the bracket of the linear motor; the tungsten block and the permanent magnet are fixedly installed, one end of the spring piece is installed inside the tungsten block, the other end of the spring piece is connected with the shell, and the coil is located in the magnetic field range of the permanent magnet.

As a preferable technical scheme, the spring plates are respectively arranged on two sides of the tungsten block and used for supporting the tungsten block to be parallel.

As the preferred technical scheme, the bilateral symmetry of tungsten piece is provided with spring leaf fixed slot, and an inclined plane is all seted up to spring leaf fixed slot's outside end one side for whole spring leaf fixed slot's opening is the horn mouth form, and the one end of spring leaf sets up an installation department, and spring leaf one end is fixed in spring leaf fixed slot through the installation of installation department, and the spring leaf extends and wraps up a side of tungsten piece from spring leaf fixed slot outwards.

Preferably, the spring plate is partially bent to form a V-shape, and one or more stoppers are mounted on the spring plate.

As the preferred technical scheme, each spring piece is provided with at least two stop blocks, the installation part of each spring piece is provided with one stop block, and one side, far away from the installation part, of each spring piece is provided with one stop block.

The spring piece fixing clamping groove is formed in the shell, the mounting portion of the spring piece is mounted in the spring piece fixing clamping groove through a stop block, the other end of the spring piece is.

As a preferred technical scheme, a reserved space is arranged on the tungsten block, and a permanent magnet is installed in the reserved space.

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

The utility model has the advantages that: 1. the utility model discloses an install the spring leaf inside the tungsten piece, can change the length of its opening width and the arm of force according to actual requirement when the spring leaf design. For the linear motor with wider or narrower dimension in the Y direction, the force arm of the spring piece can be adjusted according to the design requirement, so that the larger gravity of the tungsten block in the Z direction can be borne, the risk of Z-direction deformation is reduced, and the problem of small frequency of the two sections in modal analysis is solved.

2. When the spring leaf is installed inside the tungsten piece, the spring leaf opening can be designed to be wider, the stress of the spring leaf can be effectively dispersed, and the risk that the spring leaf is broken due to the fact that the stress is too concentrated is reduced to a great extent.

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 these drawings without creative efforts.

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

FIG. 2 is a schematic view of the overall assembly of the present invention;

FIG. 3 is a schematic view of the assembly of the tungsten block and the spring plate of the present invention;

fig. 4 is a schematic structural view of the spring plate 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", "the outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, 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 herein such as "upper," "above," "lower," "below," and the like in describing relative spatial positions 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 "set", "coupled", "connected", "penetrating", "plugging", and the like are to be understood in a broad sense, and may be, for example, fixedly connected, detachably connected, or integrated; 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 and fig. 2, the novel spring plate linear motor of the present invention comprises a casing 1, and a mover assembly and a stator assembly installed in the casing 1, wherein the mover assembly comprises a tungsten block 5, a permanent magnet 6, a spring plate 4, a yoke 2, and more than one stopper 3;

the stator assembly comprises an F-PCB8, a coil 7 and a bracket 9, wherein the coil 7 and the F-PCB8 are fixedly connected to the bracket 9 of the linear motor; tungsten piece 5 and permanent magnet 6 fixed mounting, the one end of spring leaf 4 is installed inside tungsten piece 5, and one end is connected with casing 1 in addition, and coil 7 is located the magnetic field scope of permanent magnet 6, because the spring leaf is installed when the tungsten piece is inside, the spring leaf opening can be designed wideer, can effectual dispersion spring leaf stress, and to a great extent reduces the spring leaf because the too concentrated cracked risk that takes place of stress.

In this embodiment, as shown in fig. 3, the spring pieces 4 are respectively disposed on two sides of the tungsten block 5 for supporting the tungsten block 5 to be parallel.

As shown in fig. 3, two sides of the tungsten block 5 are symmetrically provided with spring piece fixing clamping grooves 12, one side of the outer side end of each spring piece fixing clamping groove 12 is provided with an inclined plane 11, so that the opening of the whole spring piece fixing clamping groove 12 is in a horn mouth shape, one end of each spring piece 4 is provided with an installation part 41, one end of each spring piece 4 is installed and fixed in the corresponding spring piece fixing clamping groove 12 through the installation part 41, and each spring piece 4 extends outwards from the corresponding spring piece fixing clamping groove 12 and wraps one side face of the tungsten block 5.

As shown in fig. 4, the spring plate 4 is partially bent so that the entire spring plate 4 is in a V shape, and one or more stopper blocks 3 are attached to the spring plate 4.

At least two stop blocks 3 are arranged on each spring piece 4, one stop block 3 is arranged on the installation part 41 of each spring piece 4, one stop block 3 is arranged on one side, far away from the installation part, of each spring piece 4, the stress of each spring piece is reduced through the stop blocks, and the service life of each spring piece and the tungsten block is prolonged.

In the embodiment, the mounting part of the spring plate 4 is mounted in the spring plate fixing clamping groove 12 through the stop block 3, the other end of the spring plate 4 is in contact support with the inner wall of the casing 1, and the stop block 3 is mounted on the other surface of the contact surface.

In this embodiment, a tungsten block 5 is provided with a reserved space, and a permanent magnet 6 is installed in the reserved space. The permanent magnets 6 are arranged in a Halbach array mode, so that the magnetic induction intensity can be increased, and the utilization rate of the permanent magnets is improved.

The above description is only for the specific embodiments 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 creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a novel spring leaf linear motor which characterized in that: the stator comprises a casing (1), a rotor assembly and a stator assembly, wherein the rotor assembly and the stator assembly are arranged in the casing (1), and the rotor assembly comprises a tungsten block (5), a permanent magnet (6), a spring piece (4), a yoke (2) and more than one stop block (3);

the stator assembly comprises an F-PCB (8), a coil (7) and a bracket (9), wherein the coil (7) and the F-PCB (8) are fixedly connected to the bracket (9) of the linear motor; the tungsten block (5) and the permanent magnet (6) are fixedly installed, one end of the spring piece (4) is installed inside the tungsten block (5), the other end of the spring piece is connected with the machine shell (1), and the coil (7) is located in the magnetic field range of the permanent magnet (6).

2. The novel leaf spring linear motor of claim 1, wherein: the spring pieces (4) are respectively arranged on two sides of the tungsten block (5) and used for supporting the tungsten block (5) to be parallel.

3. The novel leaf spring linear motor of claim 1, wherein: the bilateral symmetry of tungsten piece (5) is provided with spring leaf fixed slot (12), and an inclined plane (11) are all seted up to outside end one side of spring leaf fixed slot (12) for the opening of whole spring leaf fixed slot (12) is the horn mouth form, and the one end of spring leaf (4) sets up an installation department (41), and installation department (41) are passed through to spring leaf (4) one end and are fixed in spring leaf fixed slot (12), and spring leaf (4) outwards extend and wrap up a side of tungsten piece (5) from spring leaf fixed slot (12).

4. The novel leaf spring linear motor of claim 3, wherein: the spring piece (4) is partially bent, the whole spring piece (4) is in a V shape, and more than one stop block (3) is arranged on the spring piece (4).

5. The novel leaf spring linear motor of claim 4, wherein: at least two stop blocks (3) are arranged on each spring piece (4), one stop block (3) is arranged on the installation part (41) of each spring piece (4), and one stop block (3) is arranged on one side, far away from the installation part, of each spring piece (4).

6. The novel leaf spring linear motor of claim 5, wherein: the installation part of the spring piece (4) is installed in the spring piece fixing clamping groove (12) through the stop block (3), the other end of the spring piece (4) is in contact support with the inner wall of the shell (1), and the stop block (3) is installed on the other surface of the contact surface of the spring piece.

7. The novel leaf spring linear motor of claim 1, wherein: the tungsten block (5) is provided with a reserved space, and a permanent magnet (6) is installed in the reserved space.

8. The novel leaf spring linear motor of claim 1, wherein: the permanent magnets (6) are arranged in a Halbach array mode.