JP2543727B2 - Method and device for winding wire on rotor or stator of rotary transformer - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention mechanically relates to a core of a rotor or a stator of a rotary transformer or the like.
A thin wire rod having a diameter of about 0.12 mm to 0.2 mm is directly inserted into a slot existing on the surface of the core for several turns, and a plurality of lines are wound around each slot to manufacture a rotor or a stator. is there.

[Conventional technology]

Conventionally, in order to manufacture a rotor or stator core of a rotary transformer by winding a thin wire having a diameter of about 0.12 mm to 0.2 mm around a core of a rotor or stator of a rotary transformer, an existing winding machine must be used. To make a winding that can be inserted into each slot of the core, glue the filaments of each winding to make it integral, and obtain it in the slot on the core surface or insert it by using a jig It was manufactured in and finished as a rotor or a stator.

[Problems to be Solved by the Invention] In order to fit a winding manufactured using a conventional winding machine into a slot on the surface of the rotor or the core of the stator, it was obtained or performed by a jig. There are many problems such as requiring a considerable amount of skill and a great deal of manpower, making it difficult to obtain a uniform product, and not increasing productivity.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a method and an apparatus for manufacturing a rotor or a stator by mechanically winding a wire rod around a slot on the surface of a rotor or a stator of a rotary transformer.

[Means for solving problems]

In view of the complexity of the conventional winding work of a rotor or a stator of a rotary transformer, the present invention provides a method and an apparatus for winding a winding on a rotor or a stator of a rotary transformer in order to achieve the above object of the present invention. The first aspect of the present invention provides a rotor (1) of a rotary transformer or a core (15) of a rotary transformer (16) equipped with a chuck (26) equipped with a magnet for gripping a filament, and operating vertically. , And the wire (21) coated with the synthetic resin supplied from the wire supply part (30) is passed through the hole (31) provided in the slot (25) of the core (15), A solvent for dissolving the synthetic resin coated on the filament is poured into the synthetic resin layer on the surface of the filament, grasped by the chuck (26), and a cylindrical filament pressing guide (above the rotary shaft (16) ( Rods with 20) (19) Central bore of the core placed on the rotating shaft (16) (18) rotation axis through the (1
6) Insert the line guide pressing cylindrical guide (20) into the cylindrical body (17) provided coaxially with the rotation axis in the inside of (6) until it fits exactly into the slot (25) of the core (15), and then By rotating the rotating shaft (16), the filament (21) supplied from the filament supply section (30) is pressed into the slot (25) of the core by the filament pressing guide (20). The surface of the filament that has been rolled into the solvent and has been dissolved in a solvent. Article (2
A method of winding a wire around a rotor or a stator of a rotary transformer, characterized in that the wire (1) and the core (15) are fixedly adhered to each other to complete the winding of the wire a plurality of times in the slot on the surface of the core. It is about.

In the case of the alcohol-soluble synthetic resin, the filament-covered synthetic resin is wound into the slot about 3 to 6 times by dissolving the synthetic resin layer on the surface of the filament while pouring alcohol into the filament. Bond the windings to each other to complete the windings in one slot, replace the other slots with pressing guides for each slot that match each slot, and do the same for all slots on the core surface. Insert the winding to complete the rotor or stator winding.

The winding operation to the slot on the surface of the core is similarly performed with or without the hole (31) leading from the front surface to the back surface of the core.

However, if the hole (31) is provided, both ends of the winding are passed through the hole to complete the winding, and the terminal end may be taken out of the core each time the winding is completed and manually passed through the hole (31). The hole (3
When there is no 1), as shown in FIG. 6, the core (15) is provided with the line drawing groove (33) (see FIG. 2). A wire catching pin (40), a pin holder (36) and a compression spring (35) are provided above the groove (33), and the pin (4)
Hook the tip of the wire (21) on (0), the non-rotating cylindrical guide (20) descends, and the pin (40) is pin holder by the compression spring (35) while the wire (21) is hooked. The hollow cylindrical guide (20) is inserted into the slot (25) of the core (15) and is pressed into the wire while sinking into the pin (4).
0), the compression spring (35) rotates like the core (15),
Make sure that the filament is wound in the slot (25). FIG. 6 shows a state in which the filament guide (21) has been rotated 90 degrees since the beginning of winding, and the cylindrical guide (20) is slightly raised.

The second aspect of the present invention is a chuck in which the rotary shaft (16) on which the rotor of the rotary transformer or the core (15) of the stator is mounted is provided with a tubular body (17) and a wire gripping magnet, which is operable vertically. (26) equipped with a filament supply cylinder (3), rollers (22), (23), (24) and a cutter (14) for cutting the filament, and the roller (2
2), (23) is a linear supply unit (30) that rotates 90 degrees about the roller (24) as a fulcrum so that it is vertical, and a solvent injection pouring device (8) that dissolves the synthetic resin coating layer on the linear surface , A cylindrical guide (2) provided with a rod-shaped body (19) fitted into the cylindrical body (17) of the rotating shaft (16) and pressing the winding wire into the slot (25).
0) a rod-shaped device, and further, in the rod-shaped device, a cylindrical guide (20) adjusts the depth of pressing the filament in the slot and fine adjustment of the depth. The present invention relates to a wire winding device for a rotor or a stator of a rotary transformer, which is equipped with a pulse motor (10).

According to the third aspect of the invention, as shown in FIG. 6, the rotor (rotor) or the stator core (15) of the rotary transformer is set at the center of the upper surface of the rotating shaft (16), and is supplied from the filament supply unit (30). Filaments coated with synthetic resin (21)
Hook the tip of the wire on the pin (40) provided inside the wire pressing guide (20), and add a solvent that dissolves the wire-coated synthetic resin to the synthetic resin layer on the wire surface. The lower end of the pin (40) is lowered into the groove (33) provided in the center direction of the core (15), and the rod is provided with a cylindrical linear pressing guide (20) provided above the rotary shaft (16). The cylindrical body (19) is passed through the central hole (18) of the core placed on the rotating shaft (16) and is then provided inside the rotating shaft (16) to form a cylindrical body (17) coaxially with the rotating shaft. Insert the cylindrical guide (20) for pressing the wire into the slot (25) of the core (15) until it fits into the slot (25), and then rotate the rotating shaft (16) to move it from the wire supply section (30). The wire (21) supplied is pressed into the slot (25) of the core by the wire pressing guide (20) to wind the wire, and the wire is dissolved in a solvent. A rotor for a rotary transformer, characterized in that it is adhered to each other in the slot (25) of the core by the surface synthetic resin layer of the strip to complete the winding of the filament a plurality of times in the slot on the surface of the core. Alternatively, the present invention relates to a method of winding a filament on a stator.

[Action]

The winding operation of the rotor or stator of the present invention into the slots of the core is as follows.

In FIG. 1, the rotary shaft (16) and the core (15) placed on the center of the upper surface of the rotary shaft (16) are lifted by the cylinder (1), and the filament (21) is moved to the core as shown in FIG. 5A. In order to feed vertically from above to below with respect to (15), the filament supply unit (30) is provided by the cylinder (3).
Moves toward the top of the core (15) and the roller (2
2) and (23) are set vertically by using the roller (24) as a fulcrum so that the rollers (22) and (23) are moved 90 degrees forward in the traveling direction of the cylinder (3), The tip of the strip (21) passes through the slot hole (31) of the core (15) and is fed to the chuck (26) equipped with the filament gripping magnet. The chuck in which the linear cylinders (5) and (6) for feeding the chuck are provided with the linear gripping magnets on the linear stripes (21) sent forward toward the tip of the linear stripes (21). Pinch and hold by (26).

Then, the rollers (22), (23) and the rollers (22), (23) of the pre-sheathed filament feeder (30) equipped with the filament cutting cutter (14) are set up horizontally. Installed, the filament feeding cylinder (3) retracts, and Fig. 5 (B)
It returns to the old like.

Therefore, the 90 ° rotation of the filament supply unit (30) acts to change the direction of supply of the filament (21) to the core (15) from the horizontal direction to the vertical direction.

Next, alcohol is poured into the filament (21) from the alcohol jet pouring device (8), the cylinder (9) of the cylindrical guide (20) descends, and the fine adjustment pulse motor (10 descends). The cylindrical guide (20) is inserted into the slot (25) of the core (15), and further the rotation shaft (16) and the core (15) are rotated by the rotation of the pulse motor (11), as shown in FIG. ), The wire (21) is wound into the slot while the guide (20) presses the wire (21) to complete the winding, and then the cutter (14) The filament is cut, and all devices return to the home position.

〔Example〕

 The present invention will now be described with reference to the drawings.

FIG. 1 is an embodiment of a front view of a device for winding a filament on a rotor or a stator of a rotary transformer of the present invention, and FIG. 2 is a hole or hole (31) leading from the front surface to the back surface of the rotor or stator of the present invention. A surface view of one embodiment of the core, and FIGS. 3 (A) and 3 (B) are cross-sectional views when the winding is inserted into the slot of the core by the winding guide (20) and pushed into the slot of the core. In one embodiment, (A) shows a state in which the inside of the slot is wound, and (B) shows a state in which the outside of the slot is wound. FIG. 4 is a surface view of an embodiment of a core (15) having a hole (31) extending from the front surface to the back surface of the rotor or stator of the present invention. FIG. 5 (A),
(B) shows each operation direction and the state of the line (21), (A) shows the action at the time of supplying the line before winding, (B)
Shows the state of winding by the rotation of the core (15). Sixth
The figure is a diagram showing a method of winding a filament on a rotor or stator surface of a rotary transformer when there is no hole (31) from the core surface to the back surface.

In FIG. 1, the central hole (18) of the core (15) of the rotor or stator of the rotary transformer is inserted into the rotary shaft (1
Place it on the center of the upper surface of 6) and set it. A steady rod (19) for the rotary shaft (16) is provided above the rotary shaft (16), and the rod (19) descends so that the rod (19) is inside the rotary shaft (16). The cylindrical guide (20) and the rotary shaft (16) are fitted into the cylindrical body (17) coaxially provided with the cylindrical guide (20) so that the center and the rotating shaft (16) serve as a vibration-proof function. As shown in FIG. 5 (A), the filament (21) is passed through the slot hole (31) (FIG. 4) provided in the core (15), and then the chuck (26) is provided as shown in FIG. 5 (b). The chuck (26) and the core (15) rotate together with the tip of the filament (21) held by the filament (21), so that the filament (21) is wound into the slot (25) of the core (15) and the cylindrical guide ( Prevent the filament from coming off the slot (25) with the retainer of (20).

In this case, the filament (21) does not rotate, but the filament (21) is pulled out from the filament supply part (30) by the rotation of the core (15) and is wound into the slot (25). The filament (21) is covered with a synthetic resin, and is poured into the filament (21) in the slot (25) from the alcohol ejection port (8) to melt the surface portion of the synthetic resin in the filament in the slot, Lines in (2
1) are glued together.

Usually, the number of turns of the filament in the slot of one round is about 3 to 6. In this way, the filaments are wound in all the slots on the surface of the core, and the filaments of one core of the rotor or the stator are wound.

〔The invention's effect〕

 The fall of the present invention is summarized as follows.

Conventionally, in order to wind a wire material such as a copper wire in the slot of the rotor of the rotary transformer or the core of the stator, a winding machine was used to create a winding wire, and manpower and jigs were used to fit it into the slot. By using the winding device invented by the inventor, the quality variation of the conventional rotor and stator is eliminated, uniform products can be easily mass-produced, labor saving is great, and the quality of the rotary transformer is improved. And it significantly contributes to the reduction of product cost.

Further, since the present invention is provided with the cylinder (9) for adjusting the depth in the slot of the cylindrical guide (20) and the pulse motor (10) for fine adjustment, the depth of the slot of the core is slightly varied. Even if there is a problem, the cylindrical guide (2
It is pressed into the slot by (0) and wound.

[Brief description of drawings]

FIG. 1 is a sectional view of an embodiment of the present invention. FIG. 2 is a surface view of an embodiment of a core of the rotor or stator of the present invention in which there is no hole from the front surface to the back surface in the slot of the core. 3 (A) and 3 (B) show an embodiment of a cylindrical guide that presses the filament into the slot, and FIG. 3 (A) shows the inside of the slot.
(B) shows a state in which the outside of the slot is wound. Fourth
The figure is a surface view of an embodiment of a core of the rotor or stator of the present invention in which the slots of the core have holes communicating from the front surface to the back surface. FIGS. 5 (A) and 5 (B) show the respective operating directions and the states of the filaments (21), (A) the operation during filament supply before winding, (B) the core (15). The state at the time of winding by rotation is shown. FIG. 6 is an explanatory view showing a method of winding the filament on the surface of the rotor or the stator of the rotary transformer when there is no hole (31) from the front surface to the back surface of the core. 1 …… Cylinder, 3 …… Linear advance cylinder 4 …… Motor, 5,6 …… Chuck pin cylinder 8 …… Solvent injection device, 9 …… Cylinder 10 …… Fine adjustment pulse motor, 14 …… Cutter 15 …… Core, 16 …… Rotary shaft 17 …… Cylindrical body, 18 …… Core hole 19 …… Rod body, 20 …… Cylindrical guide 21 …… Lines, 22,23, 24 …… Feed roller 25 …… Core slot 26 …… Chuck equipped with linear gripping magnet 31 …… Core slot hole 33 …… Line drawing groove 40 …… Inside of pressing guide (20) Pins provided on

Claims (3)

(57) [Claims] 1. A rotor or stator core (15) of a rotary transformer is set at the center of the upper surface of a rotating shaft (16) equipped with a chuck (26) equipped with a wire gripping magnet and operating vertically. The wire (21) coated with the synthetic resin supplied from the supply part (30) is passed through the hole (31) provided in the slot (25) of the core (15), and the tip of the line (21) is connected to the chuck (26). Grasp and pour a solvent that dissolves the linear coating synthetic resin into the synthetic resin layer on the surface of the linear filament.
6) A rod-shaped body (19) equipped with a cylindrical linear pressing guide (20) provided above the core (6) passes through the central hole (18) of the core mounted on the rotary shaft (16). The cylindrical guide (20) for pressing the filament is inserted into the cylindrical body (17) provided inside the rotary shaft (16) coaxially with the rotary shaft (16) until it just fits into the slot (25) of the core (15). Then, by rotating the rotating shaft (16), the filament (21) supplied from the filament supplying section (30) is guided by the filament pressing guide (20).
Inside the slot on the core surface, press the wire into the slot (25) of the core and wind the wire into the slot (25) of the wire, and then adhere to each other by the surface synthetic resin layer of the wire dissolved in the solvent. A method for winding a wire around a rotor or a stator of a rotary transformer, characterized in that the winding of the wire is completed a plurality of times. 2. A rotary shaft (16) which is vertically operable and on which a rotor (or rotor) of a rotary transformer or a core (15) of a stator is placed has a tubular body (17) and a filament gripping magnet. Equipped with a chuck (26), equipped with a filament supply cylinder (3), rollers (22), (23), (24) and a cutter (14) for cutting the filaments, the roller (22),
Use the roller (24) as a fulcrum so that (23) becomes vertical
90 degree rotating filament supply part (30), solvent injection pouring device (8) for melting synthetic resin coating layer on filament surface, rotating shaft (16)
Rod device provided with a rod-shaped body (19) to be inserted into the tubular body (17) and having a cylindrical guide (20) for pressing the winding into the slot (25), and further the rod-shaped body device. The cylindrical guide (2
(0) is equipped with a cylinder (9) for adjusting the depth of pressing the filament in the slot and a pulse motor (10) for further finely adjusting the depth, to a rotor or stator of a rotary transformer. Wire winding device. 3. A rotor (rotor) of a rotary transformer or a core (15) of a stator is set at the center of the upper surface of a rotating shaft (16) which operates up and down, and is covered with a synthetic resin supplied from a filament supply unit (30). The synthetic resin layer on the surface of the filament is a solvent for dissolving the synthetic resin coated on the filament, which is caught by hooking the tip of the filament (21) on a pin (40) provided inside the guide for pressing the filament (20). And the lower end of the pin (40) is lowered into the groove (33) provided in the center direction of the core (15), and a cylindrical linear guide for pressing the rotary shaft (16) is provided ( A cylinder in which a rod-shaped body (19) provided with 20) is provided inside the rotary shaft (16) coaxially with the rotary shaft (16) through the central hole (18) of the core placed on the rotary shaft (16). Cylindrical guide (2)
(0) is inserted into the slot (25) of the core (15) until it fits into the slot (25), and then the rotary shaft (16) is rotated to supply the filament (21) supplied from the filament supply unit (30). Is pressed into the slot (25) of the core by the guide (20) for pressing the wire, and the wire is wound into the slot (25) of the core by the surface synthetic resin layer of the wire dissolved in the solvent. A method for winding a wire around a rotor or a stator of a rotary transformer, characterized in that the wire is wound inside a slot on the surface of the core a plurality of times by being adhered to each other inside.