Search

CN-224233530-U - Linear motor module with integrated structure function

CN224233530UCN 224233530 UCN224233530 UCN 224233530UCN-224233530-U

Abstract

The utility model discloses a linear motor module integrating structural functions, which comprises a stator and a rotor which is connected to one side of the stator in a matching way, wherein the stator comprises back iron and a plurality of permanent magnets which are arranged on one side of the back iron, linear guide rails are symmetrically arranged at two ends of one side of the back iron, a rotor mounting block is arranged on one side of the rotor, the rotor mounting block is movably connected to one side of the linear guide rails, the rotor is arranged on one side of the permanent magnets, the linear guide rails are directly arranged on the back iron, the back iron bears a magnetic circuit closing function and a structural bearing function, an independent mounting substrate is not required to be additionally arranged on the side of the stator, multi-component alignment is not required, and the assembly process is reduced.

Inventors

  • Chen Shenghang
  • CHEN QIAN
  • PANG WEN

Assignees

  • 上海理工大学

Dates

Publication Date
20260512
Application Date
20260415

Claims (4)

  1. 1. A linear motor module integrating structural functions comprises a stator and a rotor which is matched and connected with one side of the stator, and is characterized in that, The stator comprises back iron and a plurality of permanent magnets arranged on one side of the back iron, and linear guide rails are symmetrically arranged at two ends of one side of the back iron; A rotor mounting block is arranged on one side of the rotor, the rotor mounting block is movably connected to one side of the linear guide rail, and the rotor is arranged on one side of the permanent magnet; The permanent magnets are arranged on the inner sides of the two linear guide rails, and the plurality of permanent magnets are arranged at intervals along the length direction of the back iron; the positions of the back iron corresponding to the linear guide rail are provided with a plurality of through holes; The movable element mounting block is fixedly arranged on the guide rail sliding block; The back iron is formed by processing a whole metal plate.
  2. 2. The linear motor module of claim 1, wherein a gap is provided between the mover and the permanent magnet.
  3. 3. The linear motor module with integrated structural functions according to claim 1, wherein grooves are symmetrically formed on two sides of the back iron in the width direction, and the linear guide rail is fixedly installed in the grooves.
  4. 4. A linear motor module having integrated structural functions according to claim 3, wherein the groove depth is 0-3mm.

Description

Linear motor module with integrated structure function Technical Field The utility model relates to the technical field of linear motors, in particular to a linear motor module with integrated structure function. Background The linear motor is used as a special motor for directly converting electric energy into linear motion mechanical energy, and has the core advantages of no intermediate transmission link, high response speed and high transmission efficiency, so that the linear motor is widely penetrated into a plurality of industrial fields of numerical control machine tools, automatic production equipment, three-dimensional printing equipment and the like, and becomes a core component for realizing accurate linear motion of modern automatic equipment. In the scenes of low-cost automation equipment, FDM3D printers and the like, the application requirements of linear motors are increasing, but the requirements of the scenes on motion precision are relatively loose, and the cost performance and the practicability of the equipment are more focused. In the prior art, the design of the linear motor is mostly biased to high-precision and high-thrust scenes, such as a numerical control machine tool, a precise instrument and the like, the back iron material of the linear motor is generally made of silicon steel sheets (including non-oriented silicon steel sheets) with high magnetic conductivity, the magnetic conductivity of the material is high, the iron loss is low, the magnetic field performance requirement in the high-precision scenes can be met, and the material cost is high. Meanwhile, for adapting to the high-precision movement requirement, the back iron, the matched mounting substrate and the connecting piece are subjected to precision machining, so that the overall cost of the equipment is further improved, and the requirements of low-cost automatic equipment and 3D printing equipment are not matched. Disclosure of Invention In order to solve at least one of the above-mentioned technical problems, the present utility model provides a linear motor module with integrated structure function. The utility model provides a linear motor module integrating structural functions, which comprises a stator and a rotor, wherein the rotor is matched and connected to one side of the stator; the stator comprises back iron and a plurality of permanent magnets arranged on one side of the back iron, and linear guide rails are symmetrically arranged at two ends of one side of the back iron; The rotor is characterized in that a rotor mounting block is arranged on one side of the rotor, the rotor mounting block is movably connected to one side of the linear guide rail, and the rotor is arranged on one side of the permanent magnet. In a preferred embodiment of the present utility model, the permanent magnets are installed inside the two linear guide rails, and the plurality of permanent magnets are spaced apart along the length direction of the back iron. In a preferred embodiment of the present utility model, a plurality of through holes are disposed at positions of the back iron corresponding to the linear guide rail. In a preferred embodiment of the utility model, the movable element comprises a guide rail sliding block, wherein the guide rail sliding block is connected to the linear guide rail in a sliding manner, and the movable element mounting block is fixedly arranged on the guide rail sliding block. In a preferred embodiment of the utility model, a gap is arranged between the mover and the permanent magnet. In a preferred embodiment of the present utility model, grooves are symmetrically arranged on two sides of the back iron in the width direction, and the linear guide rail is fixedly installed in the grooves. In a preferred embodiment of the utility model, the depth of the groove is 0-3mm. In a preferred embodiment of the present utility model, the back iron is formed by machining a single piece of sheet metal. Compared with the prior art, the technical scheme of the utility model has the following advantages: (1) The structure is greatly simplified: the linear guide rail is directly arranged on the back iron, the back iron bears the magnetic circuit closing function and the structure bearing function, and an independent mounting substrate is not required to be additionally arranged on the stator side. (2) The number of parts is reduced: The structural function is integrated in the back iron, so that parts such as an independent stator mounting substrate and a stand connecting piece are omitted, the number of parts is reduced by 2-4 pieces, and corresponding assembly procedures are omitted. (3) The assembly difficulty is reduced: And multiple component alignment is not needed, so that the assembly process is reduced. (5) The cost is reduced: The material is degraded, and the cross section size of the back iron is enlarged, so that even if a material with lower magnetic permeability (such as Q235 carbon steel) is use