Linear motor rotor assembly, preparation device thereof and linear motor
By arranging a permanent magnet at one end of the rotor core in the linear motor rotor assembly, the amount of permanent magnet used is reduced, the problem of high material cost is solved, and the stability and precision are improved.
Patent Information
- Application Number
- CN202422865110.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-24
- Publication Date
- 2025-10-10
- Estimated Expiration
- 2034-11-24
AI Technical Summary
Existing linear motors generally use a design where the stator is covered with magnetic steel, resulting in high material costs.
A linear motor mover assembly is designed, which includes a mover core, a winding coil, a terminal, a circuit board and a permanent magnet. The permanent magnet is arranged at one end of the mover core to reduce the total amount of permanent magnets used.
By reducing the amount of permanent magnets used, material costs are reduced, while the operating stability and assembly accuracy of the motor are improved.
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Figure CN223428215U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of electric machines, in particular to a linear motor moving element assembly, a preparation device thereof and a linear motor. BACKGROUND
[0002] With the development of industrial automation and precision control technology, linear motors have been widely used in many fields due to their high speed, high precision and high responsiveness. The working principle of linear motors is based on the law of electromagnetic induction or electromagnetic force. The conversion of electric energy into mechanical energy is realized through the air gap magnetic field. In the design of linear motors, the magnetic steel laid on the stator is a key component that affects the magnetic field distribution and has a direct impact on the performance of the motor.
[0003] The existing linear motor generally uses the design of laying magnetic steel on the stator. This design can provide a stable magnetic field and ensure the efficient operation of the motor. However, this design method requires the use of a large amount of magnetic steel, resulting in high material costs. CONTENT OF THE INVENTION
[0004] The present application mainly provides a linear motor moving element assembly, a preparation device thereof and a linear motor to solve the problem of high material cost.
[0005] The present application provides a linear motor moving element assembly, comprising: a moving element core, a plurality of winding coils, a plurality of terminal posts, a circuit board and a plurality of permanent magnets. The plurality of terminal posts are arranged on the moving element core, the plurality of winding coils are arranged on the moving element core, and the lead wires of the plurality of winding coils are wound on the plurality of terminal posts, respectively. The plurality of terminal posts are connected to the circuit board, and the plurality of permanent magnets are arranged at one end of the moving element core.
[0006] The moving element core comprises a main body and a plurality of winding portions, the plurality of winding portions are arranged on the main body at intervals, the plurality of winding coils correspond to the plurality of winding portions, and at least one winding coil is arranged on the corresponding winding portion.
[0007] The moving element core further comprises a plurality of insulating members, the plurality of insulating members are arranged corresponding to the plurality of winding portions, and the plurality of insulating members are arranged on the plurality of winding portions, respectively. At least one winding coil is arranged on the insulating member.
[0008] The plurality of terminal posts are arranged corresponding to the plurality of insulating members, and at least one terminal post is arranged at one end of the insulating member close to the main body.
[0009] The plurality of permanent magnets are arranged corresponding to the plurality of winding portions, and at least one permanent magnet is arranged at one end of the winding portion away from the main body.
[0010] Wherein, the movable core further includes a plurality of limiting members, and each winding portion is provided with at least one limiting groove at one end away from the main body, and the limiting members are arranged in the limiting grooves of two adjacent winding portions to limit the winding coil.
[0011] Wherein, a power line is provided on the circuit board, and the power line is used to supply power to the winding coil through the circuit board when the circuit board is connected to the terminal.
[0012] The present application also provides a preparation device for a linear motor mover assembly, which is used to prepare the linear motor mover assembly as described above. The preparation device includes a first mold and a second mold. The first mold is used to place the mover core and multiple permanent magnets to bond the mover core and the multiple permanent magnets; the second mold is used to place the bonded mover core and the multiple permanent magnets to fill the mover core and the multiple permanent magnets with glue.
[0013] The first mold includes a fixing part and a clamping part, the fixing part is used to position the multiple permanent magnets, and the clamping part is used to clamp the mover core and move the mover core onto the multiple permanent magnets so that the mover core and the multiple permanent magnets are fitted together.
[0014] The present application also provides a linear motor, which includes a stator assembly and the linear motor mover assembly as described above.
[0015] The beneficial effects of the present application are as follows: the linear motor rotor assembly provided by the present application includes a rotor core, multiple winding coils, multiple terminals, a circuit board, and multiple permanent magnets, wherein the multiple terminals are arranged on the rotor core, the multiple winding coils are wound around the rotor core, and the lead wires of the multiple winding coils are respectively wound around the multiple terminals, the multiple terminals are connected to the circuit board, and the multiple permanent magnets are arranged at one end of the rotor core. By providing multiple permanent magnets, and the multiple permanent magnets are arranged at one end of the rotor core, the present application reduces the total amount of permanent magnets used in the linear motor, thereby reducing material costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for describing the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without inventive efforts. Among them:
[0017] Figure 1 This is a structural diagram of an embodiment of a linear motor mover assembly provided by the present application;
[0018] Figure 2 is a structural schematic diagram of an embodiment of the insulating piece and the winding coil in the application; Figure 1
[0019] Figure 3 is a structural schematic diagram of an embodiment of the first mold provided in the application;
[0020] Figure 4 is a structural schematic diagram of an embodiment of the second mold provided in the application;
[0021] Figure 5 is a structural schematic diagram of an embodiment of the fixing piece in the application; Figure 3 DETAILED DESCRIPTION
[0022] The embodiments of the technical solutions of the application will be described in detail below with reference to the drawings. The following embodiments are only used to more clearly illustrate the technical solutions of the application, and therefore only serve as examples, and cannot limit the protection scope of the application.
[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit the application; the terms "include" and "have" and any variations thereof in the specification and claims of the application and the above description of drawings are intended to cover non-exclusive inclusion.
[0024] In the description of the embodiments of the application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features.
[0025] In this document, the reference to "embodiments" means that the specific features, structures or characteristics described in connection with the embodiments can be included in at least one embodiment of the application. The appearance of this phrase in various places in the specification does not necessarily mean that the same embodiments are referred to, nor does it mean that independent or alternative embodiments are mutually exclusive or alternative to each other. The skilled person explicitly and implicitly understands that the embodiments described herein can be combined with other embodiments.
[0026] In the description of the embodiments of the application, the term "and / or" is only a description of the association relationship of the associated objects, which means that there can be three relationships, for example, A and / or B, which can mean that A exists alone, A and B exist together, and B exists alone. In addition, the character " / " in this document generally represents a "or" relationship between the associated objects.
[0027] In the description of the embodiments of the present application, the term "multiple" refers to more than two (including two). Similarly, "multiple groups" refers to more than two groups (including two groups), and "multiple pieces" refers to more than two pieces (including two pieces).
[0028] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.
[0029] In the description of the embodiments of the present application, unless otherwise clearly specified or limited, technical terms such as "installed," "connected," "connected," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integration; they can refer to mechanical connections or electrical connections; they can refer to connections between components or indirect connections through an intermediate medium; they can refer to internal connections between two components or interactions between two components. For those skilled in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.
[0030] Existing linear motors generally use a design that covers the stator with magnetic steel. This design can provide a stable magnetic field and ensure efficient operation of the motor. However, this design method requires a large number of magnetic steel, resulting in high material costs.
[0031] This application provides a linear motor mover assembly, see Figure 1 and Figure 2 As shown, Figure 1 This is a structural diagram of an embodiment of a linear motor mover assembly provided by the present application; Figure 2 yes Figure 1 The linear motor mover assembly 1 of this embodiment includes a mover core 10 , a plurality of winding coils 20 , a plurality of terminals 30 , a circuit board 40 and a plurality of permanent magnets 50 .
[0032] The mover core 10 is the moving component in a linear motor, corresponding to the stator core. It is a key component in achieving linear motion. Typically made of a magnetically conductive material, the mover core 10 forms part of the linear motor's magnetic circuit and, together with the stator core, generates a magnetic field, thereby driving the linear motor's linear motion.
[0033] The winding coil 20 is a coil made of a conductive material (usually copper or aluminum wire) and is used to generate a magnetic field in the linear motor.
[0034] The terminal 30 is a conductive component used to connect wires or cables in electrical equipment, allowing current to flow from one circuit part to another. The terminal 30 is usually made of a conductive material, such as copper or copper alloy, to ensure good electrical conductivity.
[0035] The circuit board 40 is a substrate used for electrical connection of electronic components, also known as a printed circuit board (PCB).
[0036] The permanent magnets 50 refer to materials with permanent magnetism, which can maintain their magnetization state and maintain a certain magnetic force even after the external magnetic field is removed.
[0037] Specifically, multiple terminals 30 are arranged on the movable core 10, multiple winding coils 20 are wound on the movable core 10, and the lead wires of the multiple winding coils 20 are respectively wound on the multiple terminals 30, the multiple terminals 30 are connected to the circuit board 40, and multiple permanent magnets 50 are arranged at one end of the movable core 10.
[0038] In the linear motor rotor assembly 1, multiple winding coils 20 are wound around the rotor core 10 to generate an electromagnetic field. When current flows through the winding coils 20, they generate a magnetic field that interacts with the magnetic field on the linear motor's stator core, generating linear motion.
[0039] The lead wire of the winding coil 20 refers to the wire portion extending from the winding coil 20 , and its main function is to connect the winding coil 20 to an external circuit so that current can flow into or out of the winding coil 20 .
[0040] Alternatively, the lead wires of the winding coil 20 may be connected to the ends of the winding coil 20 by welding, crimping, bolting or other mechanical means.
[0041] Optionally, the plurality of terminals 30 are fixedly mounted on the mover core 10 . In other embodiments, the plurality of terminals 30 are detachably mounted on the mover core 10 .
[0042] Optionally, a plurality of through holes (not marked in the figure) are provided on the circuit board 40 , and the plurality of terminals 30 pass through the circuit board 40 through the plurality of through holes and are soldered to the circuit board 40 .
[0043] When the lead wires of the plurality of winding coils 20 are respectively wound around the plurality of terminal posts 30 , the terminal posts 30 are used to connect the winding coils 20 and the circuit board 40 so that the circuit board 40 transmits current to the winding coils 20 , thereby generating an electromagnetic field.
[0044] Optionally, in the linear motor, a plurality of permanent magnets 50 are arranged at one end of the mover iron core 10 close to the stator iron core, for providing a stable magnetic field and enhancing the magnetic force of the linear motor; at this time, the stator iron core does not need to be provided with permanent magnets 50, and the use amount of the permanent magnets 50 can be reduced.
[0045] In the embodiment, a plurality of permanent magnets 50 are arranged, and the plurality of permanent magnets are arranged at one end of the mover iron core, so that the total use amount of the permanent magnets in the linear motor is reduced, and the material cost is reduced.
[0046] According to some embodiments of the present application, the mover iron core 10 comprises a main body 11 and a plurality of winding portions 12, the plurality of winding portions 12 are arranged at intervals on the main body 11, a plurality of winding coils 20 correspond to the plurality of winding portions 12, and at least one winding coil 20 is wound on the corresponding winding portion 12.
[0047] The main body 11 refers to the basic structure in the mover iron core 10, which is used to form the structural framework of the mover iron core 10. The winding portion 12 is a structure on the mover iron core 10 for winding the winding coil 20.
[0048] Optionally, the main body 11 is arranged in a П shape, and the winding portion 12 is arranged in a column shape, one end of the column shape is connected with the main body, as shown in Figure 2 The shape of the winding portion 12 includes but is not limited to a cuboid, a square, a cylinder, etc. The plurality of winding portions 12 are arranged at intervals on the main body 11, so that the winding coil 20 can be wound on the winding portion 12.
[0049] The plurality of winding coils 20 correspond to the plurality of winding portions 12, for example, Figure 2 As shown in the figure, the winding portion 12 is arranged in three, the winding coil 20 is arranged correspondingly with the winding portion 12, and the winding coil 20 is arranged in three; at this time, the winding coil 20 corresponds to the winding portion 12 one by one.
[0050] Optionally, at least one winding coil 20 is wound on the corresponding winding portion 12. In other embodiments, a plurality of winding coils 20 can be wound on one winding portion 12.
[0051] In the embodiment, the plurality of winding portions 12 are arranged at intervals on the main body 11, and the interval arrangement of the winding portion 12 helps to reduce the electromagnetic interference between the winding coils 20, and can improve the heat dissipation efficiency of the mover iron core 10 and the stability of the operation of the linear motor.
[0052] According to some embodiments of the present application, the mover iron core 10 further comprises a plurality of insulation members 13, the plurality of insulation members 13 are arranged correspondingly with the plurality of winding portions 12, and the plurality of insulation members 13 are respectively arranged on the plurality of winding portions 12, and at least one winding coil 20 is wound on the insulation member 13.
[0053] The insulator 13 is a structure in the linear motor rotor assembly 1 that separates the winding coil 20 from the winding portion 12. The main function of the insulator 13 is to provide electrical insulation for the winding coil 20, prevent current leakage or short circuit, and ensure the safe operation of the linear motor.
[0054] Optionally, the insulating member 13 is configured to be I-shaped and sleeved on the winding portion 12, as shown in FIG. Figure 2 As shown, a plurality of insulating members 13 are provided, corresponding to the plurality of winding portions 12 .
[0055] Optionally, at least one winding coil 20 is wound on the insulating member 13, and the insulating member 13 is sleeved on the corresponding winding portion 12. In other embodiments, multiple winding coils 20 may be wound on one insulating member 13.
[0056] In this embodiment, multiple insulating parts 13 are respectively arranged on multiple winding parts 12, and at least one winding coil 20 is wound on the insulating parts 13. The use of the insulating parts 13 can effectively prevent the risk of short circuit between the winding coil 20 and the mover core 10, thereby improving the safety of the linear motor; and the insulating parts 13 help to reduce electromagnetic interference between the winding coils 20 and improve the stability of the linear motor operation.
[0057] According to some embodiments of the present application, a plurality of terminal posts 30 are disposed corresponding to a plurality of insulating members 13 , and at least one terminal post 30 is disposed at one end of the insulating member 13 close to the main body 11 .
[0058] Optionally, the insulating member 13 is sleeved on the winding portion 12, and at least one terminal 30 is provided at one end of the insulating member 13 close to the main body 11. In other embodiments, multiple terminals 30 may be provided at one end of the insulating member 13 close to the main body 11, for example Figure 2 As shown, two terminals 30 are provided on one end of the insulating member 13 close to the main body 11 , and a total of six terminals 30 are provided on the three insulating members 13 .
[0059] In this embodiment, at least one terminal 30 is arranged at one end of the insulating part 13 close to the main body 11. This layout helps to optimize the wiring inside the linear motor mover assembly 1, making the connection between the terminal 30 and the winding coil 20 more direct and compact, reducing space occupancy.
[0060] According to some embodiments of the present application, a plurality of permanent magnets 50 are arranged corresponding to a plurality of winding portions 12 , and at least one permanent magnet 50 is arranged at an end of the winding portion 12 away from the main body 11 .
[0061] For example, the mover core 10 is provided with three winding parts 12 and three permanent magnets. Figure 2 As shown, the three permanent magnets correspond to the three winding parts one by one.
[0062] Optionally, a permanent magnet 50 includes two magnetic poles, an S pole (not marked in the figure) and an N pole (not marked in the figure), and a permanent magnet 50 with two magnetic poles, an S pole and an N pole, is correspondingly provided at one end of each winding portion 12 away from the main body 11. Figure 1 and Figure 2 shown.
[0063] In this embodiment, at least one permanent magnet 50 is disposed at the end of the winding portion 12 away from the main body 11. By positioning the permanent magnet 50, the total amount of permanent magnets used in the linear motor is reduced, thereby reducing material costs.
[0064] According to some embodiments of the present application, the movable core 10 further includes a plurality of limiting members 14 , and each winding portion 12 is provided with at least one limiting groove (not marked in the figure) at one end away from the main body 11 , and the limiting member 14 is arranged in the limiting groove of two adjacent winding portions 12 to limit the winding coil 20 .
[0065] The limiting member 14 is a member for limiting the position of the winding coil 20. Optionally, the limiting member 14 is a slot wedge.
[0066] The limiting groove refers to a groove or notch, which is used to cooperate with the limiting member 14 to limit the winding coil 20.
[0067] The limiting groove is provided at one end of the winding portion 12 away from the main body 11 , and each winding portion 12 is provided with at least one limiting groove to ensure that it can cooperate with the limiting member 14 .
[0068] Optionally, each winding portion 12 is provided with limiting grooves on both sides of the end away from the main body 11, as shown in FIG. Figure 2 As shown, both ends of the limiting member 14 respectively cooperate with the limiting grooves of the two adjacent winding parts 12 to limit the winding coil 20 wound on the winding part 12.
[0069] In this embodiment, the number of the limiting members 14 is reasonably configured according to the number of the winding parts 12 in the mover core 10. For example, see Figure 2 As shown, there are three winding parts 12 in the mover core 10, and at this time, the number of the limiting members 14 is configured to be two.
[0070] In this embodiment, a limiting member 14 and a limiting groove are provided. The limiting member 14 is provided in the limiting groove of two adjacent winding parts 12, which can effectively maintain the position and shape of the winding coil 20 on the winding part 12, thereby avoiding displacement and deformation of the winding coil 20 during the operation of the linear motor, thereby ensuring the normal operation of the linear motor and improving the operating stability and reliability of the linear motor.
[0071] According to some embodiments of the present application, a power line 41 is provided on the circuit board 40 , and the power line 41 is used to supply power to the winding coil 20 through the circuit board 40 when the circuit board 40 is connected to the terminal 30 .
[0072] The power line 41 refers to a conductive line on the circuit board 40 for transmitting electric energy, and is used to transmit electric energy to the winding coil 20. Optionally, the power line 41 is a UVW three-phase power line, which is three phase lines in a three-phase alternating current.
[0073] Specifically, multiple terminals 30 are connected to the circuit board 40, and the power line 41 transmits electrical energy to the circuit board 40. The circuit board 40 transmits electrical energy to the winding coil 20 of the mover core 10 through the terminal 30, so that the winding coil 20 is energized, thereby driving the linear motor to operate.
[0074] In this embodiment, a power line 41 is set on the circuit board 40. The design of the power line 41 can reduce the loss during the power transmission process and improve the power transmission efficiency; and the power line 41 is integrated on the circuit board 40, which simplifies the wiring inside the linear motor mover assembly 1 and makes the linear motor structure more compact.
[0075] This application also provides a preparation device for a linear motor rotor assembly, see Figures 3-5 As shown, Figure 3 It is a structural schematic diagram of an embodiment of the first mold provided by the present application; Figure 4 is a structural schematic diagram of an embodiment of the second mold provided by the present application; Figure 5 yes Figure 3 A schematic structural diagram of an embodiment of a fixing member in the middle. The manufacturing apparatus of this embodiment is used to manufacture the linear motor mover assembly 1 of the above-mentioned embodiment. The manufacturing apparatus includes a first mold 60 and a second mold 70. The first mold 60 is used to place the mover core 10 and multiple permanent magnets 50 to bond the mover core 10 and multiple permanent magnets 50 together; the second mold 70 is used to place the bonded mover core 10 and multiple permanent magnets 50 to perform glue filling.
[0076] Optionally, after the winding coil 20 is wound on the mover core 10 and the terminal 30 on the mover core 10 is connected to the circuit board 40, it is placed on the first mold 60, and a plurality of permanent magnets 50 are also placed on the first mold 60, and the plurality of permanent magnets 50 are attached to one end of the mover core 10 through the first mold 60.
[0077] Optionally, the second mold 70 is a cross-shaped steel sleeve. After the plurality of permanent magnets 50 are attached to the mover core 10, the mover core 10 with the plurality of permanent magnets 50 is placed on the second mold 70. Figure 4At this time, the second mold 70 is folded and then welded so that the second mold 70 fits the surface of the mover core 10, and then the mover core 10 and the permanent magnet 50 are glued.
[0078] In this embodiment, the first mold 60 is used to ensure the precise alignment of the mover core 10 and the permanent magnet 50 during the bonding process, thereby improving the assembly accuracy of the linear motor mover assembly 1. Furthermore, the bonding effect of the first mold 60 further strengthens the bond between the mover core 10 and the permanent magnet 50. Furthermore, the second mold 70 is used to perform a glue filling process on the mover core 10 and the permanent magnet 50, thereby enhancing the corrosion resistance of the mover core 10 and the permanent magnet 50 and extending the service life of the linear motor. In this embodiment, the coordinated use of the first mold 60 and the second mold 70 simplifies the production process of the linear motor mover assembly 1, making the assembly of the mover core 10 and the permanent magnet 50 more convenient and quick.
[0079] According to some embodiments of the present application, the first mold 60 includes a fixing member 61 and a clamping member 62, the fixing member 61 is used to position the multiple permanent magnets 50, and the clamping member 62 is used to clamp the mover core 10 and move the mover core 10 onto the multiple permanent magnets 50 so that the mover core 10 is fitted with the multiple permanent magnets 50.
[0080] The fixing member 61 is a structure, such as a fixing plate, for fixing the permanent magnet 50. The clamping member 62 is a mechanical element for clamping and fixing the mover core 10 so that the mover core 10 maintains a stable position during the bonding process.
[0081] See Figure 5 As shown, the fixing member 61 is processed with multiple positioning steps (not marked in the figure) for the permanent magnets 50, so that the positions of the multiple permanent magnets 50 correspond to the position of the end of the winding portion 12 on the mover core 10 away from the main body 11.
[0082] Optionally, a screw rod (not shown) is provided on the clamping member 62 . After the clamping member 62 clamps the mover core 10 , the clamping member 62 moves up and down by rotating the screw rod to fit the mover core 10 with the permanent magnet 50 .
[0083] Specifically, after the clamping member 62 clamps the mover core 10 and the fixing member 61 fixes the permanent magnet 50, glue is applied on the contact surface between the mover core 10 and the permanent magnet 50, and glue is applied on the contact surface between the permanent magnet 50 and the mover core 10. The clamping member 62 is moved to the permanent magnet 50 through a screw rod. After the glue is completely dry, the permanent magnet 50 is driven to separate from the fixing member 61 through the screw rod to complete the bonding.
[0084] In this embodiment, the fixing member 61 is used to precisely position the plurality of permanent magnets 50, ensuring the correct position of the permanent magnets 50 during the bonding process, thereby improving the assembly accuracy of the linear motor mover assembly 1 and the accuracy of the magnetic circuit; the design of the clamping member 62 makes the clamping and movement of the mover core 10 simple and quick, thereby improving production efficiency and operational convenience.
[0085] The present application also provides a linear motor, which includes a stator assembly and the linear motor mover assembly 1 of the above embodiment.
[0086] In summary, the linear motor rotor assembly 1 provided in the present application includes a rotor core 10, a plurality of winding coils 20, a plurality of terminals 30, a circuit board 40, and a plurality of permanent magnets 50. The plurality of terminals 30 are arranged on the rotor core 10, the plurality of winding coils 20 are wound on the rotor core 10, and the lead wires of the plurality of winding coils 20 are respectively wound on the plurality of terminals 30. The plurality of terminals 30 are connected to the circuit board 40, and the plurality of permanent magnets 50 are arranged at one end of the rotor core 10. By arranging a plurality of permanent magnets 50, and arranging the plurality of permanent magnets 50 at one end of the rotor core 10, the present application reduces the total amount of permanent magnets 50 used in the linear motor, thereby reducing material costs.
[0087] The above description is only an implementation method of the present application and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made using the contents of the description and drawings of this application, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.
Claims
1. A linear motor mover assembly, characterized in that: include: A movable core, a plurality of winding coils, a plurality of terminals, a circuit board and a plurality of permanent magnets, wherein the plurality of terminals are arranged on the movable core, the plurality of winding coils are wound on the movable core, and the lead wires of the plurality of winding coils are respectively wound on the plurality of terminals, the plurality of terminals are connected to the circuit board, and the plurality of permanent magnets are arranged at one end of the movable core.
2. The linear motor mover assembly according to claim 1, characterized in that: The mover core includes a main body and a plurality of winding parts, wherein the plurality of winding parts are arranged on the main body at intervals, the plurality of winding coils correspond to the plurality of winding parts, and at least one winding coil is wound on the corresponding winding part.
3. The linear motor mover assembly according to claim 2, characterized in that: The movable core further includes a plurality of insulating members, which are arranged corresponding to the plurality of winding portions, and the plurality of insulating members are respectively arranged on the plurality of winding portions, and at least one winding coil is wound on the insulating members.
4. The linear motor mover assembly according to claim 3, characterized in that: The plurality of binding posts are arranged corresponding to the plurality of insulating members, and at least one binding post is arranged at one end of the insulating member close to the main body.
5. The linear motor mover assembly according to claim 2, characterized in that: The plurality of permanent magnets are arranged corresponding to the plurality of winding parts, and at least one permanent magnet is arranged at an end of the winding part away from the main body.
6. The linear motor mover assembly according to claim 2, characterized in that: The movable core further includes a plurality of limiting members, and each winding portion is provided with at least one limiting groove at one end away from the main body. The limiting members are arranged in the limiting grooves of two adjacent winding portions to limit the winding coil.
7. The linear motor mover assembly according to claim 1, characterized in that: The circuit board is provided with a power line, and the power line is used to supply power to the winding coil through the circuit board when the circuit board is connected to the terminal.
8. A device for preparing a linear motor rotor assembly, characterized in that: Applicable to preparing the linear motor mover assembly according to any one of claims 1 to 7, the preparation device comprising a first mold and a second mold, the first mold being used to place the mover core and a plurality of permanent magnets so as to bond the mover core and the plurality of permanent magnets; The second mold is used to place the bonded mover core and the plurality of permanent magnets, so as to perform glue pouring on the mover core and the plurality of permanent magnets.
9. The preparation device according to claim 8, characterized in that: The first mold includes a fixing part and a clamping part, the fixing part is used to position the multiple permanent magnets, and the clamping part is used to clamp the mover core and move the mover core onto the multiple permanent magnets to fit the mover core and the multiple permanent magnets.
10. A linear motor, characterized in that: The linear motor comprises a stator assembly and a linear motor mover assembly according to any one of claims 1 to 7.