CN218676770U

CN218676770U - Concatenation formula coreless coil production tool

Info

Publication number: CN218676770U
Application number: CN202223149507.2U
Authority: CN
Inventors: 柏强社; 刘益平; 陈国明
Original assignee: Junri Technology Shenzhen Co ltd
Current assignee: Junri Technology Shenzhen Co ltd
Priority date: 2022-11-25
Filing date: 2022-11-25
Publication date: 2023-03-21
Anticipated expiration: 2032-11-25

Abstract

The utility model discloses a concatenation formula coreless coil production tool belongs to motor coil processing field. The shaping jig is used for bending and shaping the coil and is used for shaping the size of the formed coil, and the shaping jig is sequentially connected with the shaping jig. The utility model has the advantages of, compare in prior art: firstly, the jig of the utility model comprises a forming jig and a shaping jig, the forming jig can realize the extrusion groove forming of the coil accessory, the shaping jig can realize the size shaping of the coreless coil, the coreless coil can be manufactured by combining the forming jig and the shaping jig, the size of the motor can be reduced, and the miniaturization of the motor can be realized; secondly, the utility model discloses a production tool simple structure, with low costs, convenient to use and popularization.

Description

Concatenation formula coreless coil production tool

Technical Field

The utility model belongs to coreless coil processing field, in particular to concatenation formula coreless coil production tool.

Background

The miniature motor is a motor with small volume and capacity and output power of below several hundred watts. It is mainly composed of stator, rotor and other fittings. The stator is generally composed of a core and windings. The existing miniature motor has the defects that the occupied space of an iron core is large, the winding on the iron core is difficult, and the size is difficult to be reduced. Based on this, the coreless motor based on the coreless coil appears in the market, and the coreless coil is adopted in the winding of the motor, so that an iron core is not needed, and the size of the motor can be reduced.

The winding method of the existing coreless coil generally comprises a single-layer winding method and a multi-layer winding method.

The single-layer winding method is to wind the turns of the air-core coil on the outer surface of the insulated pipe in a single layer, and the single-layer winding method is divided into indirect winding and tight winding, and the indirect winding is generally used in some high-frequency resonance circuits, because the winding method in this way can reduce the capacitance of the high-frequency resonance circuit and stabilize some characteristics thereof. The basis of the compact winding is that some coils have a relatively small range of resonant coils.

The multilayer winding method is a method of winding in multiple layers, and the inductance of the coil is relatively large. The multi-layer winding method includes two types of close winding and honeycomb winding, the close winding mode is arranged tightly, the arrangement of layers is needed, the capacitance generated by the winding coil is larger, the honeycomb winding mode is arranged on a certain angle, the arrangement is not very flat, but the capacitance is smaller compared with the close winding method. Some high-voltage resonant circuits need to be matched with a current value and a withstand voltage degree between coils when the air coil is wound, and the heat condition of the coils is also considered when the air coil is wound.

No matter the single-layer winding method or the multilayer winding method is adopted, the coil is formed by winding at one time, the winding difficulty is high, the middle part cannot be interrupted, and the requirement on the continuity of the production process is high. Based on this, a coreless coil capable of being spliced and processed is urgently needed in the market, and a production jig for the spliced coreless coil is urgently needed in order to match the production and processing of the coil.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model aims to provide a splicing type coreless coil production jig which can reduce the size of a motor and realize the miniaturization of the motor;

another object of the utility model is to provide a concatenation formula coreless coil production tool, simple structure, with low costs, convenient to use and popularization.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a concatenation formula coreless coil production tool, including the shaping tool that is used for coil bending forming's shaping tool and is used for the coil size plastic after the shaping, the shaping tool links up with the shaping tool in proper order.

Further, the shaping tool is including mould and shaping tool lower mould on the shaping tool, the upper portion of shaping tool lower mould is provided with curved extrusion groove, it is provided with rhombus locating part to extrude the inslot, the bottom of mould on the shaping tool install with the arc extrusion arch of extrusion groove looks adaptation, arc extrusion arch sets up directly over the extrusion groove, the bellied bottom of arc extrusion be provided with the groove of dodging of locating part form adaptation, arc extrusion arch still is provided with the several step in the week side that lies in the groove of dodging. In this application, when the coil is processed, the coil accessory of rhombus planar structure is sleeved on the limiting part, and the two ends of the coil accessory are lapped on the two sides of the extrusion groove. The upper die of the forming jig is pressed downwards, the coil accessories are pressed into the extrusion groove, an arc-shaped structure with the left side and the right side bent upwards is formed, a plurality of steps are formed on the coil accessories, and the steps can be used for positioning connection among the coil accessories.

Further, the shaping jig comprises an upper shaping jig die and a lower shaping jig die, semicircular groove positions with the same size are arranged at the bottom of the upper shaping jig die and the top of the lower shaping jig die and combined to form a circular shaping groove, and a cylindrical central size positioning rod is arranged in the circular shaping groove. In the application, six coil accessories which are extruded by a forming jig are spliced and combined to form the coreless coil, and are fixed by dispensing; after the splicing is finished, the shaping jig is placed in the shaping groove and is penetrated through by the central dimension positioning rod, the extrusion is carried out, and the dimensions of the inner diameter and the outer diameter of the coreless coil are adjusted to keep the dimensions consistent and have more regular shapes.

The utility model has the advantages of, compare in prior art:

firstly, the jig comprises a forming jig and a shaping jig, the forming jig can realize the forming of the extrusion groove of the coil accessory, the shaping jig can realize the size shaping of the coreless coil, the coreless coil can be manufactured by combining the forming jig and the shaping jig, the size of the motor can be reduced, and the miniaturization of the motor is realized;

secondly, the utility model discloses a production tool simple structure, with low costs, convenient to use and popularization.

Drawings

Fig. 1 is a schematic structural diagram of a forming tool in the present embodiment.

Fig. 2 is a schematic structural view of the arc-shaped extrusion protrusion of the forming fixture in the present embodiment.

Fig. 3 is a schematic structural view of a lower mold of the molding jig of the present embodiment.

Fig. 4 is a schematic structural diagram of the shaping jig of the present embodiment.

Fig. 5 is a schematic structural view of the coil assembly before pressing in the present embodiment.

Fig. 6 is a schematic structural view of the extruded coil component in the present embodiment.

Fig. 7 is a schematic structural diagram of the coreless coil after the splicing is completed in this embodiment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

referring to fig. 1-7, the present embodiment provides a jig for producing a spliced coreless coil, which includes a forming jig 1 for bending and forming a coil and a shaping jig 2 for shaping the size of the formed coil, and the forming jig 1 and the shaping jig 2 are sequentially connected.

Further, forming jig 1 is including forming jig last mould 11 and forming jig lower mould 12, the upper portion of forming jig lower mould 12 is provided with curved extrusion groove 13, be provided with rhombus locating part 14 in the extrusion groove 13, forming jig goes up the bottom of mould 11 and installs the arc extrusion arch 15 with extrusion groove 13 looks adaptation, arc extrusion arch 15 sets up directly over extrusion groove 13, arc extrusion arch 15's bottom is provided with dodges the groove 16 with locating part 14 form adaptation, arc extrusion arch 15 still is provided with several step 17 in the week side that is located dodge groove 16. In the present application, during coil processing, the coil fitting 3 having a rhombic planar structure is fitted over the stopper 14, and both ends of the coil fitting 3 overlap both sides of the pressing groove 13. The upper die 11 of the forming jig is pressed downwards, the coil fittings 3 are pressed into the extrusion groove 13, an arc-shaped structure with the left side and the right side bent upwards is formed, a plurality of steps 17 are formed on the coil fittings 3, and the steps 17 can be used for positioning connection among the coil fittings 3.

Further, plastic tool 2 is including last mould 21 of plastic tool, plastic tool lower mould 22, and the bottom of last mould 21 of plastic tool and the top of plastic tool lower mould 22 all are provided with the semicircular trench 23 of size unanimity, and the combination forms circular shape plastic groove 24, is provided with columniform central dimension locating rod 25 in the plastic groove 24. In the application, six coil accessories 3 which are extruded and formed by a forming jig 1 are spliced and combined to form a hollow cup coil 4 and are fixed by dispensing; after the splicing is finished, the shaping groove 24 of the shaping jig 2 is placed, the central size positioning rod 25 penetrates through the shaping groove, the extrusion is carried out, and the sizes of the inner diameter and the outer diameter of the coreless coil 4 are adjusted to keep the sizes consistent and the shapes more regular.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a concatenation formula coreless coil production tool, its characterized in that, including the shaping tool that is used for coil bending forming's shaping tool and is used for the coil size plastic after the shaping, the shaping tool links up with the shaping tool in proper order.

2. The jig for producing split-type coreless coil according to claim 1, wherein the forming jig includes an upper forming jig mold and a lower forming jig mold, an arc-shaped extrusion groove is formed in an upper portion of the lower forming jig mold, a diamond-shaped stopper is disposed in the extrusion groove, an arc-shaped extrusion protrusion adapted to the extrusion groove is installed at a bottom of the upper forming jig mold, the arc-shaped extrusion protrusion is disposed directly above the extrusion groove, an avoiding groove adapted to the stopper is formed at a bottom of the arc-shaped extrusion protrusion, and a plurality of steps are further disposed on a peripheral side of the avoiding groove of the arc-shaped extrusion protrusion.

3. The jig for producing split hollow cup coil as claimed in claim 1, wherein the shaping jig comprises an upper shaping jig mold and a lower shaping jig mold, the bottom of the upper shaping jig mold and the top of the lower shaping jig mold are respectively provided with semicircular slots with the same size, the semicircular slots are combined to form a circular shaping groove, and a cylindrical central size positioning rod is arranged in the circular shaping groove.