Active steel collar
By adopting a circumferential arrangement of the rotor and stator in the active ring and changing the stator coil winding method, the problem of excessively large active ring size is solved, and a thinner structure in the axial direction is achieved, which is suitable for precision textile equipment.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2026-04-10
AI Technical Summary
Existing driveable active rings are bulky, which limits the installation space for textile equipment.
A compact active steel ring structure was designed. By adopting a circumferential arrangement between the rotor and stator sections, the axial space occupied was reduced, and the winding method of the stator coils was changed to make them thinner in axial thickness.
It achieves a reduction in the axial thickness of the active steel ring, making it suitable for more precise textile equipment and requiring less equipment space.
Smart Images
Figure CN224110953U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the structure of active steel ring. BACKGROUND
[0002] Steel ring is used to limit and guide yarn. Active steel ring can be driven, and it has a larger volume because of the need to install stator and rotor inside. This limits the installation of textile equipment. Therefore, how to further reduce the volume of the active steel ring becomes a problem to be solved. SUMMARY
[0003] The main purpose of the utility model is to provide an active steel ring structure capable of reducing the axial thickness.
[0004] In order to achieve the above purpose, an active steel ring is provided, comprising a rotating shaft, a bearing and a base, wherein,
[0005] The rotating shaft is matched with the inner ring surface of the bearing, and the rotating shaft has a rotor part arranged in the ring direction,
[0006] The rotor part is arranged above the bearing and protrudes radially from the outer ring of the bearing,
[0007] The base is matched with the outer ring surface of the bearing, and the base has a stator part arranged in the ring direction on the outer ring of the bearing,
[0008] The stator part is located below the rotor part, and the stator part has a plurality of core columns and stator coils, the core columns are arranged in the axial direction, the plurality of core columns are arranged around the outer ring of the bearing, and the stator coils are respectively arranged around the core columns,
[0009] The stator coils and the permanent magnets are arranged in the axial direction.
[0010] In some embodiments of the utility model, the rotor part is an annular table body, the table body has an annular lower surface protruding radially from the outer ring of the bearing, and the permanent magnets are fixed on the lower surface.
[0011] In some embodiments of the utility model, the rotor part has wire grooves arranged in the ring direction above the rotor part.
[0012] In some embodiments of the utility model, the rotor part comprises a hollow shaft body, the rotor part is arranged in the ring direction on the side of the hollow shaft body, and the hollow shaft body has an outer peripheral surface matched and fixed with the inner ring of the bearing.
[0013] In some embodiments of the utility model, the base has a ring-shaped accommodating groove, and the stator part is arranged in the accommodating groove.
[0014] The structure of the utility model can greatly reduce the thickness of the active steel ring in the axial direction, so that it can be used in more precise textile equipment. BRIEF DESCRIPTION OF DRAWINGS
[0015] Fig. 1 It is a structural schematic view of the active steel ring.
[0016] Fig. 2 It is a structural schematic view of the rotating shaft and the permanent magnet.
[0017] Fig. 3 It is a structural schematic view of the base and the bearing.
[0018] In the drawing: 100-rotating shaft, 110-hollow shaft body, 120-wire slot, 130-rotor part, 131-permanent magnet, 200-base, 210-stator part, 211-core column, 212-stator coil, 220-housing groove, 300-bearing, 310-outer ring, 320-inner ring. DETAILED DESCRIPTION
[0019] The utility model is further described below. Unless otherwise defined, all technical and scientific terms used have the same meaning as commonly understood by one of ordinary skill in the art.
[0020] In view of the problem of large volume of the existing active steel ring body, the utility model provides an active steel ring structure which is more compact in structure, which mainly comprises a rotating shaft, a bearing and a base, the rotating shaft is matched with the inner ring circumferential surface of the bearing, the rotating shaft has a rotor part arranged in the circumferential direction, the rotor part is arranged above the bearing and protrudes from the outer ring of the bearing in the radial direction, the base is matched with the outer ring circumferential surface of the bearing, the base has a stator part arranged in the circumferential direction on the outer ring of the bearing, the stator part is located below the rotor part, the stator part has a plurality of core columns and stator coils, the core columns are arranged in the axial direction, the plurality of core columns are arranged around the outer ring of the bearing, the stator coils are respectively arranged around the core columns, and the stator coils and the permanent magnet are arranged in the axial direction and are spaced apart.
[0021] In the above structure, the rotor part arranged in the ring direction of the rotating shaft and the stator part arranged in the ring direction in the base form the electromagnetic driving structure with the rotor and the stator opposite on the side of the bearing, the occupation of the axial space is reduced, and the active steel ring can be thinner in the axial thickness. In addition, in the stator part, the winding mode of the stator coil is changed, compared with the existing mode of being wound on the core in the axial direction, the stator coil is wound on the circumferential side of the core column, and thus the stator coil does not pass through the upper end and the lower end of the core, thereby avoiding the problem that the active steel ring is thick due to the stator coil occupying more space in the axial direction. Based on the cooperation of the above structure, the axial thickness of the active steel ring is greatly reduced. The active steel ring can occupy less equipment space and can be used in more precise and more strict textile equipment.
[0022] In the utility model, the bearing structure used is known. It is usually composed of an inner ring, an outer ring, rolling elements (such as balls, rollers, etc.) and a retainer. The size of the bearing can be selected according to the size of the active steel ring.
[0023] In the utility model, the driving principle of the rotating shaft is known. The stator coil generates a changing magnetic field after being energized, thereby driving the rotating shaft to rotate through the mutual magnetic field action between the stator coil and the permanent magnet.
[0024] The utility model will be further described below through specific embodiments.
[0025] Figs. 1-3 One of the specific structures of the active steel ring of the utility model is shown. The active steel ring comprises a rotating shaft 100, a bearing 300 and a base 200.
[0026] Fig. 2 The structure of the base 200 and the bearing 300 is shown. The base 300 is a ring structure, which is sleeved outside the outer ring 310 of the bearing 300. The base has a ring-shaped accommodating groove 220, and the stator part is arranged in the accommodating groove 220. The stator part has a plurality of core columns 211 and stator coils 212, the core columns are arranged in the axial direction, and the plurality of core columns are arranged around the bearing outer ring, and the stator coils 212 are wound around the circumferential side of the core columns 211 respectively. The stator coil does not pass through the upper end and the lower end of the core, thereby avoiding the problem that the active steel ring is thick due to the stator coil occupying more space in the axial direction.
[0027] The structure of the rotating shaft 100 is shown as Fig. 1 and Fig. 3The lower part of the rotating shaft is a hollow shaft body 110, the outer circumferential surface of which is matched with the inner ring 320 of the bearing, and the rotor part 130 is arranged annularly above the hollow shaft body 110, the rotor part is a ring-shaped base structure, the base has a ring-shaped lower surface which protrudes radially from the outer ring of the bearing, and the permanent magnets 131 of the magnetic steel are fixed on the lower surface and are also arranged annularly. In addition, the wire slot 120 is also arranged annularly above the rotor part 132.
[0028] Reference Figs. 1-3 The hollow shaft body 110 of the rotating shaft is matched with the circumferential surface of the inner ring 320 of the bearing 300, and the ring-shaped base 200 is matched with the outer ring 310 of the bearing, so that the relative rotation between the rotating shaft 100 and the base 200 is realized. The stator coils 212 in the stator part 210 are arranged in axial spacing opposite to the permanent magnets 131 below the rotor part 130 of the rotating shaft, and the permanent magnets 131 and the stator coils 212 are both arranged annularly on the circumferential side of the bearing. The occupation of the axial space is reduced, and the structure also makes the driving steel ring thinner in the axial thickness.
[0029] It can be seen that the above-mentioned driving steel ring structure is compact, and compared with the existing driving steel ring structure, the driving steel ring can become thinner in the axial thickness.
[0030] The embodiments in the utility model are only used for describing the utility model, and do not constitute the limitation to the scope of claims, and other substantially equivalent alternatives that can be thought of by the person skilled in the art are all within the protection scope of the utility model.
Claims
1. A driving ring, characterized in that The application relates to a rotating shaft, a bearing and a base, wherein, the rotating shaft is matched with the inner ring circumferential surface of the bearing, and the rotating shaft has a rotor part arranged along a ring direction, the rotor part is arranged above the bearing and protrudes in a radial direction from the outer ring of the bearing, the rotor part is an annular table body, the table body has an annular lower surface which protrudes in the radial direction from the outer ring of the bearing, and a permanent magnet is fixed on the annular lower surface, the base is matched with the outer ring circumferential surface of the bearing, and the base has a stator part arranged along the ring direction on the outer ring of the bearing, the stator part is arranged below the rotor part, the stator part has a plurality of core columns and stator coils, the core columns are arranged along an axial direction, the plurality of core columns are arranged around the outer ring of the bearing, and the stator coils are respectively arranged around the core columns, the stator coils and the permanent magnet are arranged in an axial direction in a spaced-apart mode.
2. The active ring as defined in claim 1, wherein The rotor part is provided with wire grooves arranged along a ring direction above the rotor part.
3. The active ring as defined in claim 1 wherein The rotor part comprises a hollow shaft body, the rotor part is arranged along a ring direction on the circumferential surface of the hollow shaft body, and the hollow shaft body has an outer circumferential surface matched with the inner ring of the bearing and fixed on the inner ring.
4. The active ring as defined in claim 1 wherein The base has a ring-direction accommodating groove, and the stator part is arranged in the accommodating groove.