JPH0828948B2 - Field coil manufacturing equipment - Google Patents

Description

The present invention relates to a field coil manufacturing apparatus.

[Conventional technology]

Conventionally, an apparatus for manufacturing a field coil of a rotary electric machine is disclosed in, for example, Japanese Patent Application Laid-Open No. 54-99901. As shown in FIG. 11, this type of device includes a rotary table 1 and a plurality of reels 2 provided on the rotary table 1, and the rotary table 1 is held in a state in which a starting end 3a of a conductor 3 is gripped. The coil 4 is wound a predetermined number of times while being guided by the winding frame 2 by being rotated to form the coil 4 shown in FIG. Then, as shown in FIG. 13, the starting end 3a and the terminating end 3b of the conducting wire 3 are gripped. In this state, the portion of the conductive wire 3 stretched between the adjacent winding frames 2 is pushed inward in the radial direction by the plurality of pushing members 5 to form the waveform as shown in FIG. Further, the coil 4 shaped in this waveform is assembled to the stator core as shown in FIG.

[Problems to be Solved by the Invention]

However, in the case of the three-phase type fixed armature 6 shown in FIG. 16, the first-phase field coil 7 shown in FIG. 17 and the second-phase field coil 8 shown in FIG. The third-phase field coil 9 shown in FIG. 19 is used. These field coils 7-
In order to take out the lead wires, the wires No. 9 need to have different forms, and therefore, three field coil manufacturing devices are needed.

An object of the present invention is to be able to manufacture a field coil having a different form for each phase with one device.

[Means for solving the problem]

A first aspect of the present invention includes a rotating base material that is rotationally driven, a starting end gripping member that is disposed at a predetermined position of the rotating base material, and that grips a starting end of a conductive wire that serves as a field coil, and a plurality of positions of the rotating base material. Of the rotating base material in a state in which the terminal end gripping member for gripping the end of the conductive wire and the starting end gripping member are disposed at a plurality of positions of the rotating base material. A guide member that guides the conductive wire to wind the conductive wire as it rotates and, after winding the conductive wire, grips the starting end of the conductive wire with the starting end gripping member and ends the conductive wire with a predetermined end gripping member. Field coil manufacturing apparatus including a pressing member that moves to the center side of the rotating base material so as to press and form the conducting wire stretched between the adjacent guide members in the gripped state The coil manufacturing apparatus is the main point of the invention.

According to a second aspect of the invention, in the configuration according to the first aspect of the invention, the starting end gripping member and the terminal end gripping member are movable such that a conducting wire can be sandwiched between the fixing member and the fixing member supported so as to be separable from and separating from the fixing member. And a spring force is applied to the movable member on the fixed member side by a spring.

[Action]

When manufacturing a field coil with a different form for each phase,
With the starting end of the conducting wire being grasped by the starting end grasping member, the conducting wire serving as a field coil is guided by the guide member along with the rotation of the rotating base material, and the conducting wire is wound. After that, the pushing member is moved to the center side of the rotating base material with the starting end gripping member gripping the starting end of the conducting wire and the predetermined end gripping member gripping the end of the conducting wire, and is stretched between the adjacent guide members. The provided conductive wire is pressed and formed on the center side of the rotating base material. The end of the conductor wire is gripped by a predetermined end gripping member adapted to each phase.

〔Example〕

An embodiment of the present invention will be described below with reference to the drawings. This apparatus is an apparatus for manufacturing a field coil of a three-phase type fixed armature.

FIG. 2 is a plan view of the field coil manufacturing apparatus. On the left side of FIG. 2, there are arranged a wire supplying device for continuously supplying a wire serving as a field coil and a winding rotating device for rotating a rotary table 31 described later, and the rotary table 31 is shown in FIG. When it is located on the left side of, the winding of the conductor wire is performed. Also, the second
A cylinder for shaping the wound coil into a corrugated shape is arranged on the right side in the figure, and the coil is shaped when the rotary table 31 is located on the right side in FIG.

A fixed shaft 11 extending in the front-rear direction (vertical direction in the drawing) is supported by a base (not shown), and an index table 12 is rotatably supported on the fixed shaft 11. An annular gear 13 is fixed to the rear end of the index table 12 with bolts 14. The gear 13 rotates by receiving a driving force from a motor (not shown), and the index table 12 also rotates with this rotation.

A pair of notch holders 15 are fixed to the outside of the fixed shaft 11 in the index table 12, and
A notch 16 is inserted in 15 so that it can retract in the front-back direction. Each notch 16 is always biased forward by a spring.

Further, a cylinder support plate 17 is fixed to the rear end of the fixed shaft 11, and a cylinder holder 19 holding a cylinder 18 is attached to one side portion (left side portion in FIG. 2) of the cylinder support plate 17. A slider 20 is provided in the cylinder holder 19 so as to project and retract in the front-rear direction by the operation of the cylinder 18, and a pair of hooks 21 is attached to the tip of the slider 20. Index table
When the notch 16 rotates together with 12, the protrusion 16 on the rear end
a can pass between both the hooks 21. And hook 21
The protrusion 16a of the notch 16 is located inside, and when the slider 20 is retracted by driving the cylinder 18 in this state, the notch 16 moves rearward against the biasing force of the spring.

FIG. 3 is a view on arrow A in FIG. Bearings 22a and 22b are formed on the outside and inside of each notch 16 in the index table 12 so as to face each other. A holder 23 is fixed to each of the outer bearing portions 22a.
A rotating shaft 24 is rotatably supported by bearings 25 and 26 on the bearing portion 22b.

A positioning ring 27 is locked to the rotating shaft 24 between the bearings 22a and 22b by a key so as to rotate integrally, and a collar 28
And the nut 29 restricts the movement in the thrust direction. As shown in FIG. 4, each positioning ring 27 is provided with three notch insertion holes 30a, 30b, 30c at every 60 °, and one of these notch insertion holes 30a, 30b, 30c has a front end of the notch 16. When inserted, the rotation shaft 24 is prevented from rotating.

An outer end portion of each rotary shaft 24 penetrates each bearing portion 22a of the index table 12, and a rotary table 31 is fixed to each outer end portion thereof. As shown in FIG. 1 (a view from the arrow C in FIG. 2), the rotary table 31 has a substantially hexagonal plate shape as a whole, and one side surface (right side surface in FIG. 1) of the rotary table 31 serves as a starting end gripping member. The lead wire start end clamp device 32 and the first lead wire end clamp device 33 are arranged in parallel. A second conductor end clamp device 34 is provided on the side face adjacent to the side face, and a third conductor end clamp device 35 is further provided on the adjacent side face. These first to third conducting wire end clamp devices 33 to 35 form end holding members.

The clamp devices 32 to 35 have the same structure.
Therefore, hereinafter, the clamp device 32 will be described with reference to FIG.
A description will be given according to the section taken along the line D-D in the figure) and the section shown in FIG.

The outer side of the rotary table 31 has a first clamp device 32.
The fixed clamper 36 is tightened and fixed by a bolt 37, and a protruding portion 36a as shown in FIG. 6 is formed on the outer side portion thereof.
A second fixed clamper 38 is fixed to the first fixed clamper 36 so as to face the projecting portion 36a, and a ceiling plate material 39 is fixed to the second fixed clamper 38.

As shown in FIG. 6, a movable clamper 40 is arranged in a space formed by the first fixed clamper 36, the second fixed clamper 38, and the ceiling plate material 39, and the movable clamper 40 is first moved by two springs 41a and 41b. The fixed clamper 36 is biased toward the protruding portion 36a side. The movable clamper 40 is restricted from moving in the width direction by the second fixed clamper 38, and is prevented from protruding by the ceiling plate material 39.

The surface of the protruding portion 36a that faces the movable clamper 40 and the surface of the movable clamper 40 that faces the protruding portion 36a are sharp, and the conductive wire 42 is formed between the protruding portion 36a and the movable clamper 40. The lead wire 42 is gripped by being sandwiched between them. At this time, the movable clamper 40 can be moved backward by 2 mm, so that a conductor wire having a wire diameter of 2 mm or less with respect to the reference conductor wire can be gripped. The clamper device 32 is configured in this manner.

On the other hand, as shown in FIGS. 1 and 3, the rotary table 31 is formed with a plurality of grooves 43 radially from the center of rotation at equal angles (60 °), and a holder 44 is movably supported in each groove 43. Has been done. In other words, this holder 44 goes through the groove 43
It is supported to sandwich 31. Further, a guide 45 as a guide member is provided on the holder 44 so as to project therefrom. The holder 44 is urged radially outward by a tension spring (not shown). As shown in FIG. 1, the rotary table
Two pin insertion holes 52 are provided at symmetrical positions of 31.

Further, as shown in FIG. 3, a cam 46 is rotatably supported by a bearing 47 on the rotary shaft 24. Movement of this cam 46 in the thrust direction is restricted by a nut 48.

The cam 46 is shown in FIG. For the hexagonal cam 46
An arcuate groove 49 is formed at every 60 ° toward the center. As shown in FIG. 3, a holder is provided in each groove 49.
A cylindrical cam follower 50 protruding from the back surface of 44 is engaged. Then, depending on the relative position (relative angle) of the cam 46 and the rotary table 31, each holder is inserted via the cam follower 50.
The 44 (guide 45) is arranged on the rotary table 31 at a predetermined radial position. Furthermore, the pin insertion hole of the rotary table 31
Corresponding to 52, the cam 46 is provided with two pin insertion holes 51.

Next, the operation of the field coil manufacturing apparatus configured as described above will be described.

First, the rotary table 31 is arranged on the left side in FIG. Then, as shown in FIG. 1, the lead wire 42 is gripped by the lead wire starting end clamp device 32. Further, as shown in FIG. 3, the pin 53 of the winding rotary device is inserted into the pin insertion hole 52 of the rotary table 31 and the pin insertion hole 51 of the cam 46. continue,
The notch 16 that regulates the rotation of the rotary shaft 24 by the operation of the cylinder 18 is pulled out from the notch insertion hole 30a of the positioning ring 27, and the rotary table 31 is made rotatable.

Next, the motor of the winding rotation device is driven to rotate the rotary table 31 in the direction of arrow F in FIG. With the rotation of the rotary table 31, the rotary table 31
The conducting wire 42 is wound while being guided by the six guides 45 provided in the.

When the winding is completed, the driving of the motor of the winding rotation device is stopped, the operation of the cylinder 18 is stopped, and the notch 16 is inserted into the notch insertion hole 30c of the positioning ring 27 to regulate the rotation of the rotary shaft 24. To do. Then, as shown by a solid line in FIG. 8, the terminal end side of the conductor wire 42 is gripped by the third conductor wire end clamp device 35, and thereafter, the conductor wire 42 is cut outside the third conductor wire end clamp device 35.

Then, by rotating the gear 13, the rotary table 31 having the wound coil is rotated by 180 ° to form the coil. That is, as shown by the alternate long and short dash line in FIG.
Pushing member by cylinder for conductor 42 stretched between 45
The coil is formed into a corrugated shape as shown in FIG. 14 while pressing 54 in the radial direction of the rotary table 31 and moving the guide 45 in the radial direction. At this time, the guide 45 is also pressed by the cylinder in the radial direction.

In this way, the first phase field coil is manufactured.

The field coil of the second phase is performed as follows.
First, the rotary table 31 is arranged on the left side in FIG.
The conducting wire 42 is gripped by the conducting wire starting end clamp device 32, and the pin 53 of the winding rotation device is connected to the pin insertion hole 52 of the rotary table 31 and the cam 46.
And the notch 16 is pulled out from the notch insertion hole 30a of the positioning ring 27. Then, the motor of the winding rotation device is driven to rotate the rotary table 31 via the pin 53 to wind the conductive wire 42.

After winding, the drive of the motor of the winding rotation device is stopped, the operation of the cylinder 18 is stopped, and the notch 16 is inserted into the notch insertion hole 30b of the positioning ring 27 to regulate the rotation of the rotary shaft 24. . Then, as shown in FIG.
The terminal end side of the wire is clamped by the second wire end clamp device 34, and then the wire 42 is cut outside the second wire end clamp device 34. After that, by rotating the gear 13, the rotary table 31 having the wound coil is rotated by 180 °,
As shown in the figure, the pushing member 54 is used to shape the coil into a corrugated shape.

Further, the field coil of the third phase is performed as follows.
First, the rotary table 31 is arranged on the left side in FIG.
The conducting wire 42 is gripped by the conducting wire starting end clamp device 32, and the pin 53 of the winding rotating device is attached to the pin insertion hole 52 of the rotary table 31 and the cam plate.
The pin 16 is inserted into the pin insertion hole 51 and the notch 16 is pulled out from the notch insertion hole 30a of the positioning ring 27. And
The motor of the winding rotation device is driven to rotate the rotary table 31 via the pin 53 to wind the conductive wire 42.

After winding, the drive of the motor of the winding rotary device is stopped, the operation of the cylinder 18 is stopped, and the notch 16 is inserted into the notch insertion hole 30a of the positioning ring 27 to regulate the rotation of the rotary shaft 24. . Then, as shown in FIG.
The terminal end side of is clamped by the first conductor end clamp device 33, and then the conductor 42 is cut outside the first conductor end clamp device 33. After that, by rotating the gear 13, the rotary table 31 having the wound coil is rotated by 180 °,
As shown in the figure, the pushing member 54 is used to shape the coil into a corrugated shape.

Next, the coils for three phases produced in this way
As shown in Fig. 16, it is attached to the stator core.

Here, as can be seen from the positions of the pin insertion holes 52 of the rotary table 31 in FIGS. 8 to 10, they are displaced by 60 °, and they are rotated in the production of the field coils for 1, 2, and 3 phases. It is necessary to have a position where the table 31 is stopped at three places, and the positioning is performed by positioning the three notch insertion holes 30a of the positioning ring 27,
This is done by selecting 30b and 30c.

As described above, in this embodiment, the conductor wire start end clamp device 32 (starter end gripping member) for gripping the start end of the conductor wire 42 is attached to the rotary table.
31 (Rotating base material)
First to third conductor end clamp devices 33 to 35 for gripping the end of
(Terminal holding member) was arranged at three locations. As a result, the first
By selecting the ~ 3 conductor wire end clamp devices 33 to 35 and forming the coil, it is possible to manufacture the field coil having different forms for each phase (3 phases) with one device.

Further, the conductor wire start end clamp device 32 and the conductor wire end clamp devices 33 to 35 are supported by the fixed clampers 36, 38 (fixing members) and the protruding portion 36a of the fixed clamper 36 so as to be able to come into contact with and separate from the protruding portion 36a.
A movable clamper 40 (movable member) capable of sandwiching the conducting wire 42 therebetween is provided, and spring force is applied to the movable clamper 40 by the springs 41a and 41b on the protruding portion 36a side of the fixed clamper 36. Therefore, a constant biasing force is applied regardless of the distance between the projecting portion 36a of the fixed clamper 36 and the movable clamper 40, and the conductor 42
It is possible to make the amount of enamel that coats the enamel constant regardless of the wire diameter.

〔The invention's effect〕

As described above in detail, according to the present invention, it is possible to produce an excellent effect that a field coil having a different form for each phase can be manufactured by one device.

[Brief description of drawings]

FIG. 1 is a front view of a rotary table in the field coil manufacturing apparatus of the embodiment, and FIG. 2 is a plan view of the field coil manufacturing apparatus.
3 is a view seen from the direction A in FIG. 2, FIG. 4 is a sectional view taken along the line BB in FIG. 3, FIG. 5 is a sectional view taken along the line D-D in FIG. 1, and FIG. 5 is a sectional view taken along the line EE of FIG. 5, FIG. 7 is a front view of the cam, FIGS. 8 to 10 are front views of the rotary table after winding, and FIG. 11 is a rotary table for explaining the prior art. FIG. 12 is a perspective view of a coil for explaining the prior art, FIG. 13 is a front view of a rotary table at the time of molding, and FIG.
FIG. 16 is a perspective view of a coil for explaining the related art, FIG. 15 is a perspective view of a fixed armature for explaining the related art, and FIG.
FIG. 17 is a perspective view of a fixed armature, and FIGS. 17 to 19 are perspective views of coils for explaining a conventional technique. 31 is a rotary table as a rotating base material, 32 is a lead wire start end clamp device as a start end gripping member, 33 is a first lead wire end clamp device as an end hold member, 34 is a second conductor end clamp device as an end hold member, Reference numeral 35 is a third conductor terminal clamp device as a terminal holding member, 36 is a first fixed clamper as a fixed member, 38 is a second fixed clamper as a fixed member, 40 is a movable clamper as a movable member, and 41a and 41b are springs. , 42 is a conducting wire, 45 is a guide as a guide member, and 54 is a pushing member.

Claims (2)

[Claims] 1. A rotary base material that is driven to rotate, a start end gripping member that is provided at a predetermined position of the rotary base material, and that grips a start end of a conductive wire that serves as a field coil, and a plurality of positions on the rotary base material. A terminal gripping member that is disposed and grips the end of the conducting wire, and rotation of the rotating base material that is disposed at a plurality of locations on the rotating base material and that grips the starting end of the conducting wire by the starting end gripping member. A guide member for guiding the conductor wire to wind the conductor wire, and after winding the conductor wire, the starting end gripping member grips the beginning end of the conductor wire and the predetermined end gripping member grips the end end of the conductor wire. And a pushing member that moves to the center side of the rotating base material in order to push the conductive wire stretched between the adjacent guide members to the center side of the rotating base material. Manufacturing equipment. 2. The start-end gripping member and the end-end gripping member each include a fixed member and a movable member which is supported by the fixed member so as to be capable of coming into contact with and separated from the fixed member, and a conductor can be sandwiched between the fixed member and the movable member being a spring. The field coil manufacturing apparatus according to claim 1, wherein a spring force is applied to the fixing member side by the.