阅读说明：本技术 一种采用无铁芯绕组的纺纱装置 (Spinning device adopting coreless winding ) 是由 袁军 钟仁志 于 2021-08-30 设计创作，主要内容包括：本发明涉及纺纱领域,尤其涉及一种采用无铁芯绕组的纺纱装置。该装置包括机壳、前轴承座、后轴承座、无铁芯绕组、电机轴、轴承和纺纱杯；前轴承座和后轴承座都设置有多个散热挂线筋,散热挂线筋设置有挂线勾,前轴承座和后轴承座的挂线勾都为向外侧弯曲的弯钩状；无铁芯绕组为线圈自身按照星形方式缠绕,并且无铁芯绕组两端固定勾连在挂线勾内；电机轴固定设置有永磁体,永磁体与无铁芯绕组的驱动磁路位置相对应。该装置通过设置不需要硅钢片的无铁芯绕组驱动永磁体的方式驱动纺纱杯转动,减少整个装置的体积,降低装置成本。(The invention relates to the field of spinning, in particular to a spinning device adopting a coreless winding. The device comprises a shell, a front bearing seat, a rear bearing seat, a coreless winding, a motor shaft, a bearing and a spinning cup; the front bearing seat and the rear bearing seat are both provided with a plurality of radiating wire hanging ribs, the radiating wire hanging ribs are provided with wire hanging hooks, and the wire hanging hooks of the front bearing seat and the rear bearing seat are both in a hook shape bent outwards; the coreless winding is formed by winding a coil in a star-shaped mode, and two ends of the coreless winding are fixedly hooked in the wire hanging hook; the motor shaft is fixedly provided with a permanent magnet, and the position of the permanent magnet corresponds to the position of a driving magnetic circuit of the coreless winding. The device drives the spinning cup to rotate by arranging the coreless winding which does not need a silicon steel sheet to drive the permanent magnet, so that the volume of the whole device is reduced, and the cost of the device is reduced.)

1. A spinning device adopting a coreless winding is characterized by comprising a shell (1), a front bearing seat (2), a rear bearing seat (3), a coreless winding (4), a motor shaft (5), a bearing (6) and a spinning cup (7); the front bearing seat (2) and the rear bearing seat (3) are respectively fixed at two ends of the shell (1), a plurality of bearings (6) are respectively positioned in the front bearing seat (2) and the rear bearing seat (3) and sleeved on the outer wall of the motor shaft (5), and one end of the motor shaft (5) is fixedly connected with the spinning cup (7); the front bearing seat (2) and the rear bearing seat (3) are both provided with a plurality of radiating wire hanging ribs (8), the radiating wire hanging ribs (8) are provided with wire hanging hooks (81), and the wire hanging hooks (81) of the front bearing seat (2) and the rear bearing seat (3) are both in the shape of hooks bent outwards; the coreless winding (4) is formed by winding a coil in a star-shaped mode, and two ends of the coreless winding (4) are fixedly hooked in the wire hooks (81) of the front bearing seat (2) and the rear bearing seat (3) respectively; the motor shaft (5) is fixedly provided with a permanent magnet (51), and the position of the permanent magnet (51) corresponds to the position of a driving magnetic circuit of the coreless winding (4).

2. A spinning apparatus using coreless winding according to claim 1, characterised in that the plurality of heat dissipating hang ribs (8) of the front bearing housing (2) and the plurality of heat dissipating hang ribs (8) of the rear bearing housing (3) are distributed along a circumferential shape.

3. A spinning apparatus using ironless winding according to claim 1, characterized in that the rear bearing block (3) is provided with an outlet (31) running axially through and communicating with the outside, the outlet (31) being used for the coil connection of the ironless winding (4) to extend outside the rear bearing block (3).

4. A spinning apparatus using coreless winding as claimed in claim 1, characterised in that the front bearing block (2) is fixed to one end of the housing (1) by interference fit with the inner hole of the housing (1) through its outer wall, and the rear bearing block (3) is fixed to the other end of the housing (1) by interference fit with the inner hole of the housing (1) through its outer wall.

5. A spinning apparatus using coreless winding according to claim 1, characterised in that the bearing (6) is an angular contact thrust bearing.

6. A spinning apparatus using coreless winding according to claim 5, characterised in that the angular contact thrust bearing at the front bearing housing (2) and the angular contact thrust bearing at the rear bearing housing (3) are installed face to face.

7. A spinning apparatus using coreless winding according to claim 1, characterised in that the motor shaft (5) is provided with a first step face (52) and the front bearing housing (2) is provided with a second step face (21); the first step surface (52) is attached to the end surface of the inner side of the inner ring of the bearing (6) positioned on the front bearing seat (2), and the second step surface (21) is attached to the end surface of the outer side of the outer ring of the bearing (6) positioned on the front bearing seat (2).

8. A spinning apparatus using coreless winding according to claim 1, characterised in that the motor shaft (5) is further provided with a third step surface (520), the rear bearing housing (3) is provided with a fourth step surface (32) and a wave spring (33); the third step surface (520) is attached to the inner side end face of the inner ring of the bearing (6) positioned on the rear bearing seat (3), and two ends of the wave spring (33) are respectively attached to the outer side end face of the outer ring of the bearing (6) positioned on the rear bearing seat (3) and the fourth step surface (32).

9. A spinning apparatus using coreless windings, as in claim 1, characterized in that the motor shaft (5) is provided with a first axial channel (53), a second channel (54) and a third channel (55) at the two ends of the motor shaft (5), respectively, and the housing (1) is provided with a first outlet (11) and a second outlet (12) at the two ends of the housing (1), respectively; one ends of the second channel (54) and the third channel (55) are communicated with the first channel (53), the other ends of the second channel (54) and the third channel (55) radially penetrate through the motor shaft (5), and the first air outlet (11) and the second air outlet (12) radially penetrate through the machine shell (1); the first channel (53), the second channel (54) and the first air outlet (11) are communicated to form a first heat dissipation channel, and the first channel (53), the third channel (55) and the second air outlet (12) are communicated to form a second heat dissipation channel.

10. A spinning apparatus with coreless winding, according to claim 9, characterised in that the first plurality of outlet openings (11) is distributed along a circumferential shape and the second plurality of outlet openings (12) is distributed along a circumferential shape.

Technical Field

The invention relates to the field of spinning, in particular to a spinning device adopting a coreless winding.

Background

The spinning cup is also called rotor, which is the element for coagulation and twisting of spinning fiber. The spinning cup is in the shape of a hollow thin-wall truncated cone, and a coagulation groove is formed at the maximum inner diameter of an inclined plane in the spinning cup. The fibers reaching the inclined surface of the cup wall are arranged in parallel along the inclined surface of the inner wall and slide to the coagulation tank under the action of centrifugal force generated by high surface speed of the cup wall, and are superposed into an annular coagulation strand; the rotor rotates at high speed with the condensed fiber strand and the radial yarn arm connected with the condensed fiber strand, thereby realizing twisting and spinning.

Chinese patent application publication No. CN107304785B, published: 20190507 discloses a spinning cup shaft, a bearing device for active magnetic bearing, and a spinning cup driving device including such a bearing device and such a spinning cup shaft. The bearing arrangement comprises at least one radially active magnetic bearing for the spinning cup shaft which can be influenced by means of an electronic control system. The bearing arrangement is characterized in that the bearing arrangement has an axially active magnetic bearing for the spinning cup shaft which can be influenced by means of this or another electronic control system.

The prior art has the following defects: the motor stator in the traditional spinning device adopts a mode that a coil is wound in a groove of a silicon steel sheet; in this way, the silicon steel sheet occupies a larger space, the volume of the whole spinning device is increased, and the cost required by the silicon steel sheet and the device with a larger volume is also increased.

Disclosure of Invention

The purpose of the invention is: aiming at the problems, the spinning device adopting the coreless winding is provided, which has the advantages that the spinning cup is driven to rotate by arranging the coreless winding without the silicon steel sheet to drive the permanent magnet, the volume of the whole device is reduced, and the device cost is reduced.

In order to achieve the purpose, the invention adopts the following technical scheme:

a spinning device adopting a coreless winding comprises a shell, a front bearing seat, a rear bearing seat, the coreless winding, a motor shaft, a bearing and a spinning cup; the front bearing seat and the rear bearing seat are respectively fixed at two ends of the shell, a plurality of bearings are respectively positioned in the front bearing seat and the rear bearing seat and sleeved on the outer wall of the motor shaft, and one end of the motor shaft is fixedly connected with the spinning cup; the front bearing seat and the rear bearing seat are both provided with a plurality of radiating wire hanging ribs, the radiating wire hanging ribs are provided with wire hanging hooks, and the wire hanging hooks of the front bearing seat and the rear bearing seat are both in a hook shape bent outwards; the coreless winding is formed by winding a coil in a star-shaped mode, and two ends of the coreless winding are fixedly hooked in the wire hooks of the front bearing seat and the rear bearing seat respectively; the motor shaft is fixedly provided with a permanent magnet, and the position of the permanent magnet corresponds to the position of a driving magnetic circuit of the coreless winding.

Preferably, the plurality of heat dissipating coil ribs of the front bearing housing and the plurality of heat dissipating coil ribs of the rear bearing housing are distributed along a circumferential shape.

Preferably, the rear bearing seat is provided with an outlet which axially penetrates through and is communicated with the outside, and the outlet is used for extending the coil joint of the coreless winding to the outside of the rear bearing seat.

Preferably, the front bearing seat is fixed to one end of the casing through the interference fit of the outer wall of the front bearing seat and the inner hole of the casing, and the rear bearing seat is fixed to the other end of the casing through the interference fit of the outer wall of the rear bearing seat and the inner hole of the casing.

Preferably, the bearing is an angular contact thrust bearing.

Preferably, the angular contact thrust bearing at the front bearing seat and the angular contact thrust bearing at the rear bearing seat are installed face to face.

Preferably, the motor shaft is provided with a first step surface, and the front bearing seat is provided with a second step surface; the first step surface is attached to the end surface of the inner side of the bearing inner ring positioned on the front bearing seat, and the second step surface is attached to the end surface of the outer side of the bearing outer ring positioned on the front bearing seat.

Preferably, the motor shaft is also provided with a third step surface, and the rear bearing seat is provided with a fourth step surface and a wave spring; the third step surface is attached to the end surface of the inner side of the bearing inner ring positioned on the rear bearing seat, and the two ends of the wave spring are respectively attached to the end surface of the outer side of the bearing outer ring positioned on the rear bearing seat and the fourth step surface.

Preferably, the motor shaft is provided with an axial first channel, a second channel and a third channel which are respectively positioned at two ends of the motor shaft, and the machine shell is provided with a first air outlet and a second air outlet which are respectively positioned at two ends of the machine shell; one ends of the second channel and the third channel are communicated with the first channel, the other ends of the second channel and the third channel radially penetrate through the motor shaft, and the first air outlet and the second air outlet radially penetrate through the shell; the first channel, the second channel and the first air outlet are communicated to form a first heat dissipation channel, and the first channel, the third channel and the second air outlet are communicated to form a second heat dissipation channel.

Preferably, the plurality of first outlets are distributed along a circumferential shape, and the plurality of second outlets are distributed along a circumferential shape.

The spinning device adopting the technical scheme has the advantages that:

when the spinning machine works, the coreless winding is electrified to drive the permanent magnet to rotate so as to drive the motor shaft to rotate, and the motor shaft further drives the spinning cup to rotate so as to finish the working process. In the mode, the coreless winding is formed by winding the coil in a star-shaped mode and fixing the coil on the radiating wire hanging rib without winding a silicon steel sheet; thereby avoided needing to occupy the condition in great space because of adopting the silicon steel sheet of great volume, and then reduced whole spinning device's volume, also reduced the required cost of whole device.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 and 3 are schematic structural views of the front bearing seat.

Fig. 4-6 are schematic structural views of the rear bearing seat.

Fig. 7 is a schematic view of the structure of the motor shaft.

Fig. 8 and 9 are schematic structural views of the chassis.

Fig. 10 is a schematic view of the structure of the coreless winding and the permanent magnet.

Fig. 11 is a schematic structural diagram of a magnetic field formed by a coreless winding and a permanent magnet.

Fig. 12 is a schematic structural view of the first heat dissipation channel and the second heat dissipation channel.

Detailed Description

The following describes in detail embodiments of the present invention with reference to the drawings.

Example 1

A spinning apparatus using coreless winding as shown in fig. 1 to 6, the apparatus includes a housing 1, a front bearing housing 2, a rear bearing housing 3, a coreless winding 4, a motor shaft 5, a bearing 6 and a spinning cup 7; the front bearing seat 2 and the rear bearing seat 3 are respectively fixed at two ends of the shell 1, a plurality of bearings 6 are respectively positioned in the front bearing seat 2 and the rear bearing seat 3 and sleeved on the outer wall of the motor shaft 5, and one end of the motor shaft 5 is fixedly connected with the spinning cup 7; the front bearing seat 2 and the rear bearing seat 3 are both provided with a plurality of radiating wire hanging ribs 8, the radiating wire hanging ribs 8 are provided with wire hanging hooks 81, and the wire hanging hooks 81 of the front bearing seat 2 and the rear bearing seat 3 are both in the shape of hooks bent outwards; the coreless winding 4 is formed by winding a coil in a star-shaped manner, and two ends of the coreless winding 4 are fixedly hooked in the wire hanging hooks 81 of the front bearing seat 2 and the rear bearing seat 3 respectively; the motor shaft 5 is fixedly provided with a permanent magnet 51, and the permanent magnet 51 corresponds to the position of the driving magnetic circuit of the coreless winding 4. When the spinning machine works, the coreless winding 4 is electrified to drive the permanent magnet 51 to rotate so as to drive the motor shaft 5 to rotate, and the motor shaft 5 further drives the spinning cup 7 to rotate so as to finish the working process. In the mode, the coreless winding 4 is formed by winding a coil per se in a star-shaped mode and is fixed on the radiating wire hanging rib 8 without being wound by a silicon steel sheet; thereby avoided needing to occupy the condition in great space because of adopting the silicon steel sheet of great volume, and then reduced whole spinning device's volume, also reduced the required cost of whole device.

The plurality of heat dissipating coil ribs 8 of the front bearing housing 2 and the plurality of heat dissipating coil ribs 8 of the rear bearing housing 3 are distributed along the circumferential shape.

The rear bearing seat 3 is provided with an outlet 31 which axially penetrates through and is communicated with the outside, and the outlet 31 is used for extending a coil joint of the coreless winding 4 to the outside of the rear bearing seat 3.

The front bearing seat 2 is fixed to one end of the casing 1 through the outer wall of the front bearing seat and the inner hole of the casing 1 in an interference fit mode, and the rear bearing seat 3 is fixed to the other end of the casing 1 through the outer wall of the rear bearing seat and the inner hole of the casing 1 in an interference fit mode. In the mode, the front bearing seat 2 and the rear bearing seat 3 are fixedly arranged on the machine shell 1 in an interference fit mode, so that the whole motor has no screw, the time for assembling the screw is saved, and the assembling process is simplified.

The bearing 6 is an angular contact thrust bearing. The angular contact thrust bearing at the front bearing seat 2 and the angular contact thrust bearing at the rear bearing seat 3 are installed face to face.

The motor shaft 5 is provided with a first step surface 52, and the front bearing block 2 is provided with a second step surface 21; the first step surface 52 is attached to the inner side end surface of the inner ring of the bearing 6 positioned on the front bearing pedestal 2, and the second step surface 21 is attached to the outer side end surface of the outer ring of the bearing 6 positioned on the front bearing pedestal 2, so that the bearing 6 positioned on the front bearing pedestal 2 is positioned.

The motor shaft 5 is also provided with a third step surface 520, and the rear bearing block 3 is provided with a fourth step surface 32 and a wave spring 33; the third step surface 520 is attached to the inner side end surface of the inner ring of the bearing 6 of the rear bearing pedestal 3, and the two ends of the wave spring 33 are respectively attached to the outer side end surface of the outer ring of the bearing 6 of the rear bearing pedestal 3 and the fourth step surface 32, so that the bearing 6 of the rear bearing pedestal 3 is positioned.

The motor shaft 5 is provided with an axial first channel 53, a second channel 54 and a third channel 55 which are respectively positioned at two ends of the motor shaft 5, and the machine shell 1 is provided with a first air outlet 11 and a second air outlet 12 which are respectively positioned at two ends of the machine shell 1; one ends of the second channel 54 and the third channel 55 are communicated with the first channel 53, the other ends of the second channel 54 and the third channel 55 radially penetrate through the motor shaft 5, and the first air outlet 11 and the second air outlet 12 radially penetrate through the machine shell 1; the first channel 53, the second channel 54 and the first air outlet 11 are communicated to form a first heat dissipation channel, and the first channel 53, the third channel 55 and the second air outlet 12 are communicated to form a second heat dissipation channel. The plurality of first outlets 11 are distributed along a circumferential shape, and the plurality of second outlets 12 are distributed along a circumferential shape.