CN212969192U

CN212969192U - Stator tooth convenient for winding

Info

Publication number: CN212969192U
Application number: CN202021644637.1U
Authority: CN
Inventors: 杨佳平
Original assignee: Quannan Chaoya Technology Co Ltd
Current assignee: Quannan Chaoya Technology Co Ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-04-13
Anticipated expiration: 2030-08-10

Abstract

The utility model relates to a micromotor part field provides a make things convenient for wire-wound stator tooth. Including the bobbin, one side of bobbin is equipped with first baffle, the opposite side of bobbin is equipped with the second baffle, the width of first baffle and second baffle is greater than the width of bobbin, the upper end of bobbin is equipped with the fastener, the fastener includes clamping piece and lower clamping piece, go up the clamping piece slope and connect in the one end of clamping piece down, the centre of second baffle is equipped with the counter bore, the counter bore runs through bobbin and first baffle, first baffle also has a fastener through the screw fixation, the fastener on the first baffle is located the top of boss. The utility model has the advantages that: the utility model provides a stator tooth on stator core suitable for assembled, the winding is gone on the stator tooth of taking apart, has alleviateed the wire winding degree of difficulty, has improved wire winding efficiency and quality, and the stator tooth is equipped with the fastener that presss from both sides the line and uses simultaneously, is favorable to the fixed of wire, can improve and keep the effective elasticity of winding.

Description

Stator tooth convenient for winding

Technical Field

The utility model relates to a micromotor part field, in particular to make things convenient for wire-wound stator tooth.

Background

The stator winding of the motor is divided into a distributed type and a centralized type, and the space of the micro motor is small, and the distributed type stator winding is generally used. However, the wire embedding work of the distributed stator winding is difficult, and because the stator teeth of the winding are very small and the space between the stator teeth is also relatively small, a plurality of factories embed the conducting wires into the stator wire slots by using a manual scribing and pressing method. The prior art certainly has stator winding machines facing micro-machines, but the smaller space of movement means that the control of the machine is more demanding and the cost is certainly not cheap. Winding of a single stator tooth is very easy to achieve if the stator teeth on the stator core can be removed. And then the disassembled stator teeth are installed on the stator core, if the operation can be realized, the production efficiency of the work can be greatly improved, and the winding quality can also be improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a make things convenient for wire-wound stator tooth, mainly used solve the difficult problem of stator core wire winding to and solve the not high problem of wire winding production efficiency on stator core.

The above technical problem of the present invention can be solved by the following technical solutions: comprises a bobbin, a first baffle is arranged on one side of the bobbin, a second baffle is arranged on the other side of the bobbin, the width of the first baffle and the width of the second baffle are larger than the width of the bobbin, a wire inlet groove is arranged in the middle of the upper end of the first baffle, the bottom of the wire inlet groove is flush with the upper end surface of the top of the bobbin, a wire clamp is arranged in the middle of the upper end surface of the bobbin and comprises an upper clamping piece and a lower clamping piece, the lower clamping piece is fixed on the bobbin through screws, the upper clamping piece is obliquely connected with one end of the lower clamping piece, the upper clamping piece and one end of the lower clamping piece are not closed to form an opening, the opening end of the wire clamp faces one end of the wire inlet groove, a wiring terminal is arranged at one end of the lower clamping piece, the wiring terminal penetrates through the wire inlet groove, and a countersunk hole is arranged, the countersunk hole penetrates through the bobbin and the first baffle, a boss is arranged in the middle of the first baffle, the countersunk hole also penetrates through the boss, the first baffle is also fixed with a wire clamp through a screw, and the wire clamp on the first baffle is positioned above the boss.

Preferably, the bottom end of the upper clamping piece is provided with grinding teeth. Grind the insulating varnish on the enameled wire epidermis through the gerar grinding to make the enameled wire can with fastener electric connection, thereby need not grind the insulating varnish of enameled wire head and the tail with the help of other instruments at the wire winding in-process again. Meanwhile, the wire clamp can also fix a wire, and the tightness of the winding set is favorably kept.

Preferably, the wire clamp is made of copper, the wire clamp on the winding drum is further connected with a contact piece through a copper screw, the contact piece is fixed to the second baffle through the copper screw, and a wiring terminal is also arranged on the contact piece. The clamp, in addition to holding the wire at the beginning and end of the winding, may also serve as a terminal for the wire. After all the wound stator teeth are installed on the stator core, the wire connection is carried out only according to the required current flowing mode of the conducting wire.

Preferably, the first baffle, the second baffle and the bobbin are integrally formed by injection molding of a PBT plastic material. The PBT material is insulating, and even insulating paper does not need to be added in gaps among the stator teeth. Meanwhile, the mass is reduced, and the structure upgrade of the micro motor is facilitated.

The utility model has the advantages that: the utility model provides a stator tooth on stator core suitable for assembled, the winding is gone on the stator tooth of taking apart, has alleviateed the wire winding degree of difficulty, has improved wire winding efficiency and quality, and the stator tooth is equipped with the fastener that presss from both sides the line and uses simultaneously, is favorable to the fixed of wire, can improve and keep the effective elasticity of winding.

Drawings

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

FIG. 2 is a schematic structural diagram II of the present invention;

FIG. 3 is an enlarged view of a detail A of the present invention;

the notation in the figure is: 1. the novel wire winding device comprises a bobbin, 2 parts of a first baffle, 201 parts of a wire inlet groove, 3 parts of a second baffle, 4 parts of a wire clamp, 401 parts of an upper clamping piece, 402 parts of a lower clamping piece, 5 parts of a counter bore, 6 parts of a boss, 7 parts of a contact piece, 8 parts of grinding teeth and 9 parts of a wiring terminal.

Detailed Description

The technical solution of the present invention is further specifically described below by way of examples and with reference to the accompanying drawings.

Example (b): the stator tooth convenient for winding of the embodiment comprises a winding drum 1, wherein a first baffle plate 2 is arranged on one side of the winding drum 1, a second baffle plate 3 is arranged on the other side of the winding drum 1, the width of the first baffle plate 2 and the width of the second baffle plate 3 are larger than that of the winding drum 1, a wire inlet groove 201 is arranged in the middle of the upper end of the first baffle plate 2, the bottom of the wire inlet groove 201 is flush with the upper end face of the top of the winding drum 1, a wire clamp 4 is arranged in the middle of the upper end face of the winding drum 1, the wire clamp 4 comprises an upper clamping piece 401 and a lower clamping piece 402, the lower clamping piece 402 is fixed on the winding drum 1 through screws, the upper clamping piece 401 is obliquely connected to one end of the lower clamping piece 402, an opening is formed by the upper clamping piece 401 and one end of the lower clamping piece 402 which are not closed, the opening end of the wire clamp 4 faces one end, the middle of second baffle 3 is equipped with counter bore 5, and counter bore 5 runs through bobbin 1 and first baffle 2, and the middle of first baffle 2 is equipped with boss 6, and counter bore 5 also runs through boss 6, and first baffle 2 also has a fastener 4 through the screw fixation, and fastener 4 on the first baffle 2 is located the top of boss 6.

Wherein, the bottom of the upper clamping piece 401 is provided with a grinding tooth 8. Grind the insulating varnish on the enameled wire epidermis through the gerar grinding 8 to make the enameled wire can with fastener 4 electric connection, thereby need not grind the insulating varnish of enameled wire head and the tail with the help of other instruments at the wire winding in-process again. Meanwhile, the wire clamp 4 can also fix a wire, so that the tightness of the winding set can be kept.

The wire clamp 4 is made of copper, the wire clamp 4 on the bobbin 1 is further connected with a contact piece 7 through a copper screw, the contact piece 7 is fixed on the second baffle 3 through the copper screw, and a wiring terminal 9 is also arranged on the contact piece 7. The clamp 4, in addition to holding the wire at the beginning and end of the winding, may also serve as a terminal 9 for the wire. After all the wound stator teeth are installed on the stator core, the wire connection is carried out only according to the required current flowing mode of the conducting wire.

The first baffle 2, the second baffle 3 and the bobbin 1 are integrally formed by injection molding of PBT plastic materials. The PBT material is insulating, and even insulating paper does not need to be added in gaps among the stator teeth. Meanwhile, the mass is reduced, and the structure upgrade of the micro motor is facilitated.

When winding, the stator teeth of the present embodiment are used to initially hold the wire ends in the clips 4 on the bobbin 1. And when the wire is sleeved in the wire clamp 4, the wire is arranged at the bottom of the grinding tooth 8 and rubbed back and forth for a few times, so that the insulating paint on the surface of the enameled wire can be wiped off under the action of the grinding tooth 8, and the wire clamp 4 on the winding drum 1 can be communicated with the wire. Enabling the clip 4 on the bobbin 1 to act as a head terminal 9 for the wire. Meanwhile, in the winding process, the wire is continuously wound on the winding drum 1 and the wire clamp 4, so that the starting end of the wire is fixed in the winding process, and the outgoing wire head does not need to be processed as in the prior art. And after the winding of the wire is finished, the wire is wound on the wire clamp 4 on the first baffle plate 2. Similarly, before the wire is wound into the clamp 4, the wire is rubbed several times against the grinding teeth 8 of the clamp 4 and the insulating varnish is removed. The clip 4 on the first flap 2 thus acts as a wire end of the winding set. And then, the wound stator teeth of the embodiment are fixedly installed on the stator core through bolts, and the head and tail wiring terminals 9 on each stator tooth are connected according to the required wiring mode.

The present embodiment is only an exemplary embodiment of the present invention, and for those skilled in the art, based on the application method and principle disclosed in the present invention, various modifications or variations can be easily made, and not only limited to the structure described in the above embodiments of the present invention, therefore, the manner described in the foregoing is only a preferred embodiment, but not limiting, and all equivalent changes and modifications made according to the present invention are within the scope of the present invention.

Claims

1. The stator tooth convenient for winding comprises a bobbin (1) and is characterized in that a first baffle (2) is arranged on one side of the bobbin (1), a second baffle (3) is arranged on the other side of the bobbin (1), the width of the first baffle (2) and the width of the second baffle (3) are larger than that of the bobbin (1), a wire inlet groove (201) is formed in the middle of the upper end of the first baffle (2), the bottom of the wire inlet groove (201) is flush with the upper end face of the top of the bobbin (1), a wire clamp (4) is arranged in the middle of the upper end face of the bobbin (1), the wire clamp (4) comprises an upper clamping piece (401) and a lower clamping piece (402), the lower clamping piece (402) is fixed on the bobbin (1) through a screw, the upper clamping piece (401) is obliquely connected to one end of the lower clamping piece (402), the upper clamping piece (401) and one end of the lower clamping piece (402) are not closed to form an opening, the open end orientation of fastener (4) inlet wire groove (201) one end, just the one end of lower clamping piece (402) is equipped with binding post (9), binding post (9) pass inlet wire groove (201), the centre of second baffle (3) is equipped with counter sink (5), counter sink (5) run through bobbin (1) with first baffle (2), the centre of first baffle (2) is equipped with boss (6), counter sink (5) also run through boss (6), first baffle (2) also have one fastener (4) through the screw fixation, on first baffle (2) fastener (4) are located the top of boss (6).

2. A stator tooth for facilitating winding according to claim 1, wherein the bottom end of the upper jaw (401) is provided with grinding teeth (8).

3. A stator tooth for facilitating winding according to claim 1, wherein the wire clip (4) is made of copper, the wire clip (4) on the bobbin (1) is further connected with a contact piece (7) through a copper screw, the contact piece (7) is fixed on the second baffle (3) through a copper screw, and a terminal (9) is also arranged on the contact piece (7).

4. A stator tooth facilitating winding according to claim 1, wherein the first baffle (2) and the second baffle (3) and the bobbin (1) are integrally molded by injection molding of PBT plastic material.