CN220510958U - Ultrahigh-acceleration carbon fiber coreless linear motor - Google Patents

Abstract

The utility model relates to the technical field of linear motors, in particular to an ultrahigh-acceleration carbon fiber coreless linear motor, which comprises a stator and a rotor positioned in the stator, wherein the stator is formed by combining an upper magnetic yoke plate, a lower magnetic yoke plate, a left support plate, a right support plate, a magnet, an intermediate magnetic yoke plate and a rear support plate, and the lower magnetic yoke plate is positioned below the upper magnetic yoke plate; the rotor consists of a left carbon fiber ring, a coil, a carbon fiber plate and a right carbon fiber ring, wherein the coil is sleeved on the surface of the middle magnetic yoke plate, and the left side of the coil is provided with the left carbon fiber ring. The thrust density of the utility model is extremely high, the motor rotor is provided with a carbon fiber reinforcing plate, and the strength and the rigidity are particularly good; the motor provided by the utility model has the advantages that the magnetic yoke is provided with the air cooling hole, and the temperature rise can be efficiently reduced by the air pipe; and the motor is provided with an intermediate magnetic yoke plate which divides the magnetic field into an upper part and a lower part, so that the utilization rate of the coil is greatly improved.

Description

Ultrahigh-acceleration carbon fiber coreless linear motor

Technical Field

The utility model relates to the technical field of linear motors, in particular to an ultrahigh-acceleration carbon fiber coreless linear motor.

Background

The linear motor is a transmission device for directly converting electric energy into linear motion mechanical energy without any intermediate conversion mechanism, and can be regarded as a rotary motor which is radially split and developed into a plane, and the linear motor is also called a linear motor, a linear motor and a push rod motor, the most commonly used linear motor types are flat plate type, U-shaped groove type and tubular type, the typical composition of a coil is three-phase, and brushless phase conversion is realized by a Hall element.

At present, the existing common linear motor has small thrust density and small acceleration, and can only reach 10 gravitational acceleration at maximum; moreover, the existing common straight line has weak strength and rigidity and cannot bear acceleration above 20 gravity accelerations.

Disclosure of Invention

The utility model aims to provide an ultrahigh-acceleration carbon fiber coreless linear motor, which aims to solve the problems that the existing linear motor is low in thrust density, weak in strength and rigidity and incapable of bearing ultrahigh acceleration in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the ultrahigh acceleration carbon fiber coreless linear motor comprises a stator and a rotor positioned in the stator, wherein the stator is formed by combining an upper magnetic yoke plate, a lower magnetic yoke plate, a left support plate, a right support plate, a magnet, an intermediate magnetic yoke plate and a rear support plate, the lower magnetic yoke plate is positioned below the upper magnetic yoke plate, the left side and the right side of the lower magnetic yoke plate are fixedly connected with the left support plate and the right support plate through bolts respectively, and the intermediate magnetic yoke plate is further arranged on the inner wall between the left support plate and the right support plate; the rotor comprises a left carbon fiber ring, a coil, a carbon fiber plate and a right carbon fiber ring, wherein the coil is sleeved on the surface of the middle magnetic yoke plate, the left side of the coil is provided with the left carbon fiber ring, the left carbon fiber ring is sleeved on the surface of the middle magnetic yoke plate, the right side of the coil is provided with the right carbon fiber ring, and the right carbon fiber ring is sleeved on the surface of the middle magnetic yoke plate.

Preferably, a back support plate is further connected to the back side between the upper yoke plate and the lower yoke plate, and the back support plate is fixedly connected with the upper yoke plate, the lower yoke plate, the left support plate and the right support plate through bolts in a threaded manner.

Preferably, the magnets are attached to the inner walls of the upper and lower yoke plates, and the magnets are alternately arranged in NS poles, and the magnets on the upper and lower yoke plates correspond to opposite magnetic fields.

Preferably, the surface of the middle magnetic yoke plate is also provided with an air cooling hole, and interfaces for connecting air pipes are arranged on the surfaces of the left support plate and the right support plate at the positions corresponding to the air cooling hole, and the interfaces are communicated with the air cooling hole so as to effectively air cool the rotor.

Preferably, a carbon fiber plate is arranged between the left carbon fiber ring and the right carbon fiber ring, and two ends of the carbon fiber plate are respectively locked and fixed with the left carbon fiber ring and the right carbon fiber ring through screws.

Preferably, the left carbon fiber ring, the coil, the carbon fiber plate and the right carbon fiber ring are encapsulated and solidified into a whole through epoxy resin; the coil is formed by winding enamelled wires, and the enamelled wires are round enamelled wires or square enamelled wires.

Compared with the prior art, the utility model has the beneficial effects that: the ultra-high acceleration carbon fiber coreless linear motor has extremely high thrust density, and the limit acceleration can reach 50 gravity accelerations; the motor rotor provided by the utility model has particularly good strength and rigidity of the carbon fiber reinforced plate, and the ultimate acceleration can reach 50 gravity accelerations; the motor provided by the utility model has the advantages that the magnetic yoke is provided with the air cooling hole, and the temperature rise can be efficiently reduced by the air pipe; the motor provided by the utility model has the advantages that the magnetic field is divided into the upper part and the lower part by the middle magnetic yoke plate, so that the utilization rate of the coil is greatly improved.

Drawings

FIG. 1 is a schematic view of a three-dimensional appearance structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic view of the structure of FIG. 2 at "A-A" in accordance with the present utility model;

fig. 4 is a schematic diagram of an explosive structure according to the present utility model.

In the figure: 101. a stator; 102. a mover; 1. an upper yoke plate; 2. a lower yoke plate; 3. a left support plate; 4. a right support plate; 5. a magnet; 6. left carbon fiber ring; 7. a coil; 8. a carbon fiber plate; 9. an intermediate yoke plate; 91. an air cooling hole; 10. a right carbon fiber ring; 11. and a rear support plate.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", 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 device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore 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, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

The utility model provides a structure of an ultrahigh acceleration carbon fiber coreless linear motor, as shown in fig. 1 and 2, comprising a stator 101 and a rotor 102 positioned in the stator 101, wherein the stator 101 is formed by combining an upper magnetic yoke plate 1, a lower magnetic yoke plate 2, a left support plate 3, a right support plate 4, a magnet 5, an intermediate magnetic yoke plate 9 and a back support plate 11, the lower magnetic yoke plate 2 is positioned below the upper magnetic yoke plate 1, the left side and the right side of the lower magnetic yoke plate 2 and the left side and the right side of the upper magnetic yoke plate 1 are respectively fixedly connected with the left support plate 3 and the right support plate 4 through bolts, the inner wall between the left support plate 3 and the right support plate 4 is also provided with the intermediate magnetic yoke plate 9, the back support plate 11 is respectively connected with the upper magnetic yoke plate 1, the lower magnetic yoke plate 2, the left support plate 3 and the right support plate 4 through bolts, the magnet 5 is attached on the inner wall of the upper magnetic yoke plate 1 and the lower magnetic yoke plate 2, the magnet 5 is alternately arranged according to NS pole, the magnet 5 on the upper magnetic yoke plate 1 and the lower magnetic yoke plate 2 are correspondingly provided with air-cooled yoke holes 91 which are correspondingly arranged on the surface of the air-cooled yoke plate 2, and the air-cooled air interface is correspondingly provided with the air-cooled yoke holes 91, and the air interface is arranged on the air-cooled surface of the air interface 91.

In practice, the stator 101 is assembled by using 1 an upper yoke plate, 2 a lower yoke plate, 3 a left support plate, 4 a right support plate, 5 magnets, 9 as an intermediate yoke plate and 11 as a rear support plate, wherein the magnets 5 are attached to the upper yoke plate 1 and the lower yoke plate 2 in an alternating arrangement according to NS poles, the upper yoke plate 1 and the lower yoke plate 2 are opposite in magnetic field direction to the magnets 5, the magnetic fields form a closed loop through the intermediate yoke plate 9, and the upper yoke plate 1, the lower yoke plate 2 and the intermediate yoke plate 9 are fixed at corresponding positions through the left support plate 3, the right support plate 4 and the rear support plate 11.

The linear motor has extremely high thrust density, and the limit acceleration can reach 50 gravity accelerations; the motor rotor provided by the utility model has particularly good strength and rigidity of the carbon fiber reinforced plate, and the ultimate acceleration can reach 50 gravity accelerations; the motor of the utility model is provided with the air cooling hole 91 on the magnetic yoke, and the temperature rise can be efficiently reduced by the air pipe; the motor provided by the utility model has the advantages that the magnetic field is divided into the upper part and the lower part by the middle magnetic yoke plate 9, so that the utilization rate of the coil 7 is greatly improved.

Further, as shown in fig. 2 to 4, the mover 102 is composed of a left carbon fiber ring 6, a coil 7, a carbon fiber plate 8 and a right carbon fiber ring 10, the coil 7 is sleeved on the surface of the middle yoke plate 9, the left side of the coil 7 is provided with the left carbon fiber ring 6, the left carbon fiber ring 6 is sleeved on the surface of the middle yoke plate 9, the right side of the coil 7 is provided with the right carbon fiber ring 10, the right carbon fiber ring 10 is sleeved on the surface of the middle yoke plate 9, a carbon fiber plate 8 is arranged between the left carbon fiber ring 6 and the right carbon fiber ring 10, two ends of the carbon fiber plate 8 are respectively locked and fixed with the left carbon fiber ring 6 and the right carbon fiber ring 10 through screws, and the left carbon fiber ring 6, the coil 7, the carbon fiber plate 8 and the right carbon fiber ring 10 are encapsulated and solidified into a whole through epoxy resin; the coil 7 is formed by winding enamelled wires, and the enamelled wires are round enamelled wires or square enamelled wires.

In practice, the mover 102 is composed of a left carbon fiber ring 6, a coil 7, a carbon fiber plate 8 and a right carbon fiber ring 10, the coil 7 is welded together in a certain welding line mode, the left carbon fiber ring 6 and the right carbon fiber ring 10 are clamped in the middle, then the left carbon fiber ring 6 and the right carbon fiber ring 10 are locked on the carbon fiber plate 8, and the coil 7, the left carbon fiber ring 6, the carbon fiber plate 8 and the right carbon fiber ring 10 are encapsulated together by epoxy resin, so that the mover is formed after solidification.

The linear motor is a carbon fiber coreless linear motor, and the middle magnetic yoke plate 9 is arranged in the stator 101 to enable a magnetic field to be reversed; the stator yoke of the utility model is composed of an upper yoke plate 1, a lower yoke plate 2 and an intermediate yoke plate 9, one side of the stator yoke is provided with an opening, and a rotor extends out of the opening to be connected with a load; the 7 coil 7 is formed by winding enamelled wires, wherein the enamelled wires are round enamelled wires or square enamelled wires, and the enamelled wires are mainly square enamelled wires; the coil 7 is encapsulated into a whole by the left carbon fiber ring 6, the right carbon fiber ring 10, the carbon fiber plate 8 and the epoxy resin, so that the strength and the rigidity of the coil are enhanced; the intermediate magnetic yoke plate 9 is provided with the air cooling holes 91, and an air pipe is communicated with the interface to effectively cool the rotor 102; the magnets 5 of the present utility model are attached to the upper yoke plate 1 and the lower yoke plate 2 in an alternating arrangement of NS poles, and the magnetic fields of the upper yoke plate 1 and the lower yoke plate 2 are opposite to each other with respect to the magnets 5.

Working principle: when the stator 101 is used, the stator is assembled by an upper magnetic yoke plate 1, a lower magnetic yoke plate 2, a left support plate 3, a right support plate 4, magnets 5, an intermediate magnetic yoke plate 9 and a rear support plate 11, wherein the magnets 5 are attached to the upper magnetic yoke plate 1 and the lower magnetic yoke plate 2 in an alternating arrangement according to NS poles, the magnetic fields of the upper magnetic yoke plate 1 and the lower magnetic yoke plate 2 corresponding to the magnets 5 are opposite in direction, the magnetic fields form a closed loop through the intermediate magnetic yoke plate 9, and the upper magnetic yoke plate 1, the lower magnetic yoke plate 2 and the intermediate magnetic yoke plate 9 are fixed at corresponding positions through the left support plate 3, the right support plate 4 and the rear support plate 11.

The rotor 102 is composed of a left carbon fiber ring 6, a coil 7, a carbon fiber plate 8 and a right carbon fiber ring 10, the coil 7 is welded together in a certain welding line mode, the coil 7 is clamped between the left carbon fiber ring 6 and the right carbon fiber ring 10, then the left carbon fiber ring 6 and the right carbon fiber ring 10 are locked on the carbon fiber plate 8, the coil 7, the left carbon fiber ring 6, the carbon fiber plate 8 and the right carbon fiber ring 10 are encapsulated together by epoxy resin, and the rotor is formed after solidification.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims (6)

1. The utility model provides an ultra-high acceleration carbon fiber coreless linear motor, includes stator (101) and is located inside active cell (102) of stator (101), its characterized in that: the stator (101) is formed by combining an upper magnetic yoke plate (1), a lower magnetic yoke plate (2), a left support plate (3), a right support plate (4), a magnet (5), an intermediate magnetic yoke plate (9) and a rear support plate (11), wherein the lower magnetic yoke plate (2) is positioned below the upper magnetic yoke plate (1), the left side and the right side of the lower magnetic yoke plate (2) and the left side and the right side of the upper magnetic yoke plate (1) are fixedly connected with the left support plate (3) and the right support plate (4) through bolts respectively, and the intermediate magnetic yoke plate (9) is further arranged on the inner wall between the left support plate (3) and the right support plate (4); the rotor (102) is composed of a left carbon fiber ring (6), a coil (7), a carbon fiber plate (8) and a right carbon fiber ring (10), wherein the coil (7) is sleeved on the surface of the middle magnetic yoke plate (9), the left side of the coil (7) is provided with the left carbon fiber ring (6), the left carbon fiber ring (6) is sleeved on the surface of the middle magnetic yoke plate (9), the right side of the coil (7) is provided with the right carbon fiber ring (10), and the right carbon fiber ring (10) is sleeved on the surface of the middle magnetic yoke plate (9).

2. The ultra-high acceleration carbon fiber coreless linear motor of claim 1, wherein: the rear side between the upper magnetic yoke plate (1) and the lower magnetic yoke plate (2) is also connected with a rear supporting plate (11), and the rear supporting plate (11) is fixedly connected with the upper magnetic yoke plate (1), the lower magnetic yoke plate (2), the left supporting plate (3) and the right supporting plate (4) through mutual threads respectively.

3. The ultra-high acceleration carbon fiber coreless linear motor of claim 1, wherein: the magnets (5) are attached to the inner walls of the upper magnetic yoke plate (1) and the lower magnetic yoke plate (2), the magnets (5) are alternately arranged according to NS poles, and the directions of the corresponding magnetic fields of the magnets (5) on the upper magnetic yoke plate (1) and the magnets (5) on the lower magnetic yoke plate (2) are opposite.

4. The ultra-high acceleration carbon fiber coreless linear motor of claim 1, wherein: the surface of the middle magnetic yoke plate (9) is also provided with an air cooling hole (91), and interfaces for connecting air pipes are arranged on the surfaces of the left support plate (3) and the right support plate (4) at the positions corresponding to the air cooling hole (91), and the interfaces are communicated with the air cooling hole (91) to effectively air cool the rotor (102).

5. The ultra-high acceleration carbon fiber coreless linear motor of claim 1, wherein: a carbon fiber plate (8) is arranged between the left carbon fiber ring (6) and the right carbon fiber ring (10), and two ends of the carbon fiber plate (8) are respectively locked and fixed with the left carbon fiber ring (6) and the right carbon fiber ring (10) through screws.

6. The ultra-high acceleration carbon fiber coreless linear motor of claim 1, wherein: the left carbon fiber ring (6), the coil (7), the carbon fiber plate (8) and the right carbon fiber ring (10) are encapsulated and solidified into a whole through epoxy resin; the coil (7) is formed by winding enamelled wires, and the enamelled wires are round enamelled wires or square enamelled wires.