CN111865035A - A New Structure Linear Motor with Magnet and Coil - Google Patents

Abstract

The invention discloses a linear motor with a novel structure of magnets and coils, comprising a casing (1), a mover assembly (20) and a stator assembly (100) arranged in the casing (1), the mover assembly (200) includes a tungsten block (3), a permanent magnet (6), a stopper (5), a spring piece (4) and a yoke (2), and the stator assembly (100) includes an F-PCB (8), The coil (7) and the bracket (9) are fixedly connected to the bracket (9) of the linear motor with the F-PCB (8) after the coil (7) is rotated in the X-Y direction, and the permanent magnet (6) is in the X-Y direction. After the direction is rotated by the angle, it is fixedly connected with the tungsten block (3). The invention rotates the magnet and the coil at a certain angle in the X-Y direction, which can improve the linear motor and increase the length of the magnet and the coil under the polar coordinates in a limited space, thereby designing a larger electromagnetic driving force.

Description

A New Structure Linear Motor with 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 magnets and coils.

Background technique

Linear motors are usually composed of mover components and stator components. The mover components include tungsten blocks, permanent magnets, spring sheets, yokes, etc.; Inside the shell, the linear motor is in a limited space, the length of the magnet and the coil in polar coordinates is small, and the electromagnetic driving force is small, and this installation method is prone to deflection in the Y direction when the linear motor mover assembly moves.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is a linear motor with a new structure of magnets and coils. The magnets and the coils are respectively inclined at an angle, and the length can be increased in a limited space to make the volume larger and generate a larger electromagnetic driving force, which can effectively Solve the deficiencies in the existing technology.

The present invention is achieved through the following technical solutions: a linear motor with a novel structure of magnets and coils, comprising a casing, a mover assembly and a stator assembly arranged in the casing, the mover assembly including a tungsten block, a permanent A magnet, a stopper, a spring sheet and a yoke, the stator assembly includes an F-PCB, a coil and a bracket. After the coil is rotated in the X-Y direction, the coil is fixedly connected to the F-PCB on the bracket of the linear motor, and the permanent magnet is in the X-Y direction. After rotating the angle, it is fixedly connected with the tungsten block.

As a preferred technical solution, the two spring sheets are arranged on both sides of the tungsten block, and are used to support the tungsten block in parallel inside the casing.

As a preferred technical solution, the stopper is mounted on the spring sheet, and each spring sheet is provided with two stopper blocks.

As a preferred technical solution, two mounting portions are formed on the spring sheet.

As a preferred technical solution, the two mounting portions include a first mounting portion and a second mounting portion, the spring sheet is connected and fixed to the tungsten block through the first mounting portion, and a stop block is installed on the outer end of the first mounting portion, and the spring sheet wraps On one side of the tungsten block, the second mounting part is arranged opposite to the first mounting part, and another stopper block is mounted on the second mounting part, and the stopper block is arranged on the side close to the tungsten block, and the stopper block is not connected to the tungsten block. block contact.

As a preferred technical solution, the spring sheet is in a nearly "C" shape.

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

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

The beneficial effects of the present invention are: the present invention rotates the magnet and the coil at a certain angle in the X-Y direction, which can improve the linear motor and increase the length of the magnet and the coil in polar coordinates in a limited space, thereby designing a larger electromagnetic drive force;

In addition, adjusting the rotation angle of the magnet and the coil in polar coordinates can solve the problem of deflection in the Y direction when the moving subassembly of the linear motor moves.

Description of drawings

In order to explain the embodiments of the present invention or the technical solutions in the prior art more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained according to these drawings without creative efforts.

Fig. 1 is the exploded view of the present invention;

Fig. 2 is the internal structure schematic diagram of the present invention;

Fig. 3 is the installation schematic diagram of the mover assembly of the present invention;

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

Detailed ways

All features disclosed in this specification, or all disclosed steps in a method or process, may be combined in any way except mutually exclusive features and/or steps.

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

In the description of the present invention, it should be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end" ”, “length”, “outer end”, etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the indicated device or Elements must have a particular orientation, be constructed and operate in a particular orientation and are therefore not to be construed as limitations of the invention.

In addition, in the description of the present invention, "plurality" means at least two, such as two, three, etc., unless expressly and specifically defined otherwise.

Terms such as "upper," "upper," "lower," "lower," and the like used herein to indicate relative spatial positions are for ease of illustration to describe one element or feature as shown in the drawings relative to another A unit or feature relationship. The term spatially relative position may be intended to encompass different orientations of the device in use or operation in addition to the orientation shown 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 otherwise) and the spatially relative descriptors used herein interpreted accordingly

In the present invention, unless otherwise expressly specified and limited, the terms "arrangement", "socket connection", "connection", "penetration", "plug connection" and other terms should be understood in a broad sense, for example, it may be a fixed connection, It can also be detachable connection or integrated; it can be mechanical connection or electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction of two elements relationship, unless otherwise expressly qualified. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

As shown in FIGS. 1 and 2 , a linear motor with a novel structure of magnets and coils of the present invention includes a casing 1 , a mover assembly 20 and a stator assembly 100 disposed in the casing 1 . The mover assembly 200 includes a tungsten block 3, a permanent magnet 6, a stop block 5, a spring sheet 4 and a yoke 2, and the stator assembly 100 includes an F-PCB8, a coil 7 and a bracket 9;

As shown in Figure 3 and Figure 4, the coil 7 is fixedly connected to the bracket 9 of the linear motor with the F-PCB 8 after rotating in the X-Y direction, and the permanent magnet 6 is fixedly connected to the tungsten block 3 after rotating the angle in the X-Y direction. Improve the linear motor to increase the length of magnets and coils in polar coordinates in a limited space, so as to design a larger electromagnetic driving force. The rotation angle of the magnet and the coil in polar coordinates can be adjusted, which can solve the problem of deflection in the Y direction when the moving subassembly of the linear motor moves.

In this embodiment, two spring pieces 4 are provided, which are respectively arranged on both sides of the tungsten block 3 to support the tungsten block 3 in parallel inside the casing 1 .

In this embodiment, the stopper 5 is mounted on the spring sheet 4, and each spring sheet 4 is mounted with two stopper blocks 5, and two mounting portions are formed on the spring sheet 4, and the two mounting portions include the first mounting portion and the In the second mounting portion, the spring sheet 4 is connected and fixed with the tungsten block 3 through the first mounting portion;

A stop block 5 is installed on the outer end of the first installation part, the spring sheet 4 wraps one side of the tungsten block 3, the second installation part is arranged relative to the first installation part, and another stop block 5 is installed on the second installation part , and the stop block 5 is arranged on the side close to the tungsten block 3;

The stop block 5 is not in contact with the tungsten block 3, and the spring piece 4 is nearly "C" shaped. Through the structure of the stop block, the influence of the tungsten block and the spring sheet is prevented when the spring sheet is used in the later stage, and the service life of the spring sheet is increased.

Wherein, the tungsten block 3 is arranged in a reserved groove, the permanent magnet 6 is installed in the reserved groove, and the inclination of the reserved groove is the same as the angle at which the permanent magnet is arranged.

In this embodiment, the permanent magnets 6 are arranged in a Halbach array, which can increase the magnetic induction intensity and improve the utilization rate of the permanent magnets.

The beneficial effects of the present invention are: the present invention rotates the magnet and the coil at a certain angle in the X-Y direction, which can improve the linear motor and increase the length of the magnet and the coil in polar coordinates in a limited space, thereby designing a larger electromagnetic drive force;

In addition, adjusting the rotation angle of the magnet and the coil in polar coordinates can solve the problem of deflection in the Y direction when the moving subassembly of the linear motor moves.

The above are only specific embodiments of the present invention, but the protection scope of the present invention is not limited to this, and any changes or substitutions that are not conceived of without creative work should be included within the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on 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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