CN210744836U

CN210744836U - Motor core convenient to assembly

Info

Publication number: CN210744836U
Application number: CN201921622977.1U
Authority: CN
Inventors: 李峥; 胡树法; 陈成; 徐亮; 邱伟峰
Original assignee: Changzhou Shenli Motor Co ltd
Current assignee: Changzhou Shenli Motor Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-06-12
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a motor iron core convenient to assemble, including the welding of centre ring inner wall has the inner ring, the inner ring inboard has cup jointed the central pivot, twelve slots have evenly been seted up to the centre ring periphery, cup jointed the sheetmetal in the slot respectively, the sheetmetal is T style of calligraphy structure, and sheetmetal top department is convex structure, the sheetmetal welds the top board with slot contact surface one end middle part, the centre ring upper surface all has seted up the screw thread mounting hole with lower surface near the both sides of inner ring department, the upper and lower both sides of centre ring all install the apron through fixation nut and screw thread mounting hole, the apron periphery all covers the one end that the sheetmetal inserted in the slot; through setting up centre ring and inner ring and sheetmetal for when using, can conveniently dismantle the iron core, then assemble one by one, in the equipment process, avoided among the prior art after the iron core wire winding the condition emergence of the easy extrusion fracture copper line appear in the time.

Description

Motor core convenient to assembly

Technical Field

The utility model relates to a motor core technical field specifically is a motor core convenient to assembly.

Background

The motor iron core is used as a core component in a motor, the iron core is a non-professional term in the electrical industry, and the iron core is also a magnetic core. The iron core (magnetic core) plays a very important role in the whole motor, and is used for increasing the magnetic flux of the inductance coil to realize the maximum conversion of electromagnetic power. The motor core is generally formed by combining a stator and a rotor. The iron core (magnetic core) plays a very important role in the whole motor, and is used for increasing the magnetic flux of the inductance coil to realize the maximum conversion of electromagnetic power. The motor core is generally formed by combining a stator and a rotor. The stator is typically provided as a non-rotating part and the rotor is typically embedded within the stator at an internal location. The motor iron core has a wide application range, and the stepping motor, the alternating current and direct current motor, the speed reducing motor, the outer rotor motor, the shaded pole motor, the synchronous asynchronous motor and the like are widely used.

For the finished motor, the role of the motor iron core in the motor fitting is more critical. In order to improve the overall performance of an electric machine, it is necessary to improve the performance of the motor core. Usually, the performance can be solved by improving the material of the iron core punching sheet, adjusting the magnetic permeability of the material, controlling the size of iron loss and the like. A good motor iron core needs to be punched by a precise hardware punching die by adopting an automatic riveting process and then a high-precision punching machine. The advantage of this is that the integrity of the plane of the product can be guaranteed to the maximum extent, and the precision of the product can be guaranteed to the maximum extent.

Generally, the motor iron core with excellent quality is punched by utilizing the process speciality. The high-precision hardware continuous stamping die is matched with a high-speed stamping machine, and excellent professional motor iron core production personnel are added, so that the yield of good motor iron cores can be guaranteed to the greatest extent.

However, the structure of the motor iron core in the prior art is formed by stacking a plurality of groups of iron sheets, the structure of the motor iron core needs to be adhered with glue and the like to ensure the stability of the motor iron core, and the structure of the motor iron core is inconvenient when being installed, so that the requirement of the prior art cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a motor core convenient to assembly to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a motor core convenient to assembly, has the inner ring including the welding of centre ring inner wall, the center pivot has been cup jointed to the inner ring inboard, twelve slots have evenly been seted up to the centre ring periphery, cup jointed the sheetmetal in the slot respectively, the sheetmetal is T style of calligraphy structure, and sheetmetal top department is convex structure, the welding of sheetmetal and slot contact surface one end middle part has the top piece, the centre ring upper surface all has seted up the screw thread mounting hole with the lower surface near inner ring department both sides, the apron is all installed through fixation nut and screw thread mounting hole to both sides about the centre ring, the apron periphery all covers the one end that the sheetmetal inserted in the slot.

Preferably, the upper end and the lower end of the inner wall of the inner ring are both provided with a limiting groove.

Preferably, the adjacent surfaces between the metal sheets are adhered with second insulating layers, and the periphery of the central ring between the metal sheets is adhered with first insulating layers.

Preferably, the metal sheet is formed by stacking a plurality of metal sheets, and the height of the metal sheets is the same as that of the center ring.

Preferably, the center ring is formed of an integral stainless steel tubular structure and the inner ring is formed of a copper tubular structure.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a set up centre ring and inner ring and sheetmetal, make when using, can conveniently dismantle the iron core, then assemble one by one, in the equipment process, the condition emergence of easy extrusion fracture copper line appears according to the time after having avoided iron core wire winding among the prior art, and only need change its wearing and tearing ageing serious part after the part is ageing when using for a long time can, the waste that need all iron core whole changes among the prior art has been avoided, so reduced use cost and also made things convenient for its integral erection.

Drawings

Fig. 1 is a schematic overall top view structure of the present invention;

fig. 2 is a schematic view of the overall top-view cross-sectional structure of the present invention;

fig. 3 is a schematic view of the overall structure of the present invention.

In the figure: 1-a central ring; 11-inner ring; 12-a slot; 13-threaded mounting holes; 14-a central rotating shaft; 15-a limiting groove; 16-a first insulating pad; 17-a cover plate; 18-a fixing nut; 2-a metal sheet; 21-a second insulating plate; 22-topsheet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a motor core convenient to assembly, has inner ring 11 including 1 inner wall welding of center ring, center pivot 14 has been cup jointed to inner ring 11 inboard, its twelve slots 12 have evenly been seted up to 1 periphery of center ring, cup jointed sheetmetal 2 in the slot 12 respectively, sheetmetal 2 is T style of calligraphy structure, and 2 tops of sheetmetal department is convex structure, sheetmetal 2 and slot 12 contact surface one end middle part welding have a top piece 22, threaded mounting hole 13 has all been seted up to 1 upper surface of center ring and lower surface both sides near inner ring 11 department, apron 17 is all installed through fixation nut 18 and threaded mounting hole 13 in 1 upper and lower both sides of center ring, apron 17 periphery all covers the one end that sheetmetal 2 inserted in slot 12.

The utility model discloses a bearing ring, including inner ring 11, spacing groove 15, first insulating layer 16, inner ring 2, second insulating layer 21, centre ring 1, first insulating layer 16, inner ring 11, both ends all have seted up spacing groove 15 about the inner wall, strengthen the rotational stability of its central pivot, second insulating layer 21 has all been pasted to the adjacent surface between sheetmetal 2, the centre ring 1 periphery between sheetmetal 2 has all been pasted first insulating layer 16, prevents that its sheetmetal from appearing the circumstances of circular telegram and taking place, sheetmetal 2 comprises the stack of multilayer sheetmetal, sheetmetal 2 height is the same with centre ring 1, centre ring 1 comprises whole stainless steel tubular structure, inner ring 11 comprises copper tubular structure, and the copper material through the inner ring makes its bulk strength greatly increased to make things convenient for it to appear in the discovery, carry.

The working principle is as follows: when the assembling process is used, the inner ring 11 is welded in the center ring 1 firstly, then the center ring 1 is inserted into the center position of the stator core, the stator core is fixed through the clamping and fixing device, all groups of metal sheets are wound with required copper wires according to requirements, and after each group of metal sheets of the copper wires are wound, all groups of metal sheets are sleeved in the inserting grooves 12 of the center ring 1, the upper cover plate 17 and the lower cover plate 17 are installed on the upper side and the lower side of the center ring 1 through the two fixing nuts 18 respectively, and finally the assembling process is completed.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a motor core convenient to assembly, has inner ring (11) including center ring (1) inner wall welding, central pivot (14), its characterized in that have been cup jointed to inner ring (11) inboard: twelve slots (12) have evenly been seted up to centre ring (1) periphery, sheetmetal (2) have been cup jointed in slot (12) respectively, sheetmetal (2) are T style of calligraphy structure, and sheetmetal (2) top department is convex structure, sheetmetal (2) and slot (12) contact surface one end middle part welding have top flat (22), threaded mounting hole (13) have all been seted up to centre ring (1) upper surface and lower surface be close to inner ring (11) department both sides, apron (17) are all installed through fixation nut (18) and threaded mounting hole (13) to centre ring (1) upper and lower both sides, apron (17) periphery all covers the one end that sheetmetal (2) inserted in slot (12).

2. An easy-to-assemble motor core according to claim 1, wherein: limiting grooves (15) are formed in the upper end and the lower end of the inner wall of the inner ring (11).

3. An easy-to-assemble motor core according to claim 1, wherein: second insulating layers (21) are adhered to adjacent surfaces among the metal sheets (2), and first insulating layers (16) are adhered to the peripheries of the center rings (1) among the metal sheets (2).

4. An easy-to-assemble motor core according to claim 1, wherein: the metal sheet (2) is formed by stacking a plurality of layers of metal sheets, and the height of the metal sheet (2) is the same as that of the central ring (1).

5. An easy-to-assemble motor core according to claim 1, wherein: the center ring (1) is formed by an integral stainless steel tubular structure, and the inner ring (11) is formed by a copper tubular structure.