Classifications

• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02K—DYNAMO-ELECTRIC MACHINES
  • H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
  • H02K15/04—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of windings, prior to mounting into machines
  • H02K15/0435—Wound windings

Definitions

• the present invention relates to a method for controlling the movement of a winding frame and a coil winding system.
• the present invention relates to a coil winding machine for manufacturing a motor used in household electric appliances, automobiles, and the like, and to a method for controlling the movement of a winding frame provided with a step winding frame constituting the coil winding machine.
• the present invention relates to a method for controlling the movement of a winding frame that prevents a coil from being wound over a step portion.
• the present invention relates to a coil winding system capable of detaching a step winding frame and performing coil windings having different circumferential lengths in a plurality of patterns.
• the motor coil As for the motor coil, a plurality of wires are wound spirally around a winding frame of a coil winding machine, and thereafter are planted at predetermined intervals around the same circumference as shown in FIG.
• the coil deposited in the coil insertion jig 200 having the blade 201 and inserted into the coil insertion jig 200 is inserted into a predetermined slot 301 of the stator 300. Transferred.
• the circumferences of the coils 401 to 405 wound by the coil winding machine are all the same in accordance with the part that requires the longest length for insertion into the slot 301 and molding.
• Patent Document 1 proposes a coil winding machine as shown in FIG. 16 so that each coil has a different circumference.
• FIG. 15 is a diagram showing the coil winding machine
• FIG. 16 is a diagram showing a winding state of the coil. It is.
• FIG. 17 is a diagram showing a state in which a step is formed on the winding frame of the coil winding machine.
• the coil winding machine 100 is disposed as shown in FIG. 15 with respect to the coil insertion jig 200, and the coil winding machine 100 has a support in which the winding frame 110 can move up and down.
• the coils 401 to 405 wound on the winding frame 110 are held down by the pusher plate 13 at the lower end, which is held by the plate 13 1 It is configured to be released to
• a flyer 120 through which ten strips of wire 400 forming a coil 401 to 405 pass is rotatably provided.
• the wire 400 spirally winds around the descending winding frame 110 as the 20 turns around the winding frame 110 at a high speed.
• the winding frame 110 is provided with a fixed winding frame 111 and a movable winding frame 112 with respect to the support plate 131.
• the movable winding frame 1 1 2 has a structure in which the first to fourth winding frame pieces 15 1 to 15 4 can be moved in the horizontal direction through the substrate 15 6.
• the guide plate 16 2 is integrated with the guide shaft 16 1 and is fixed to the guide shaft 16 1.
• the compression springs (not shown) move to the fixed reel 1 11 1 on the left side of the drawing. Being energized.
• cams 17 1 to 17 4 are formed integrally on the cam shaft 170, and the rotation of the cam shaft 170 causes the force 17 1 to 17
• the winding frame pieces 15 1 to 15 4 pressed by 4 are each pushed outwardly against the urging force of the compression spring to form a step. Therefore, as shown in FIG. 16, the coil 400 is wound between the fixed winding frame 111 and the first to fifth laps to form coils 401 to 405 having different circumferential lengths. .
• the bobbin 110 is lowered, and the blade 201 of the coil insertion jig 200 is inserted into the gap 1 13 with the fixed bobbin 1 1 1.
• the camshaft 170 rotates in the reverse direction, and the stepped portion of the movable winding frame 1 12 disappears.
• the wound coils 401 to 405 in the first to fifth laps are in a relaxed state.
• the coils 401 to 405 are released by the drop of the coil dropper 1 32, and the coils are shown in FIG. 18.
• the state is similar to the state. And, as mentioned above, this coil insertion jig
• the coils 401 to 405 mounted on the stator 200 are inserted into predetermined slots 301 of the stator 300 and transferred. At this time, since the circumference of the coils 401 to 405 differs depending on the slot 301 to be inserted, the total coil length inserted into the stator is shortened to reduce copper loss. That's a thing. .
• Patent Document 1 Japanese Patent Application Laid-Open No. 2000-3-1664122 (Pages 2-6, Figures 1, 4, 7, 13)
• coils 401 to 4 are provided for a first to fifth laps with respect to a stepped winding frame 110.
• the force S around which 0 5 is wound S as shown in the figure, not only when each circumference is neatly a coil divided into coils 401 to 405, but also each step generated by the winding frame pieces 15 1 to 15 4
• the wire 400 sent out to the part may be hanged, and overcoming may occur. This is because the movement (down) of the winding frame 110 during winding is such that the winding frame 110 is evenly fed at a constant speed as shown in FIG. .
• an object of the present invention is to provide a method of controlling the movement of a winding frame capable of stably moving over a stepped portion in order to solve such a problem. Disclosure of the invention
• a flyer that turns while supplying a wire to a winding frame having a straight winding frame having a straight coil winding portion and a step winding frame having a stepped step is provided.
• the flyer is A method for turning while supplying a wire, and moving the winding frame in which coil windings having different circumferential lengths are performed on the winding frame by moving the winding frame in the center axis direction of the rotation, The moving speed of the winding frame is varied according to the turning position of the flyer.
• the movement is stopped so that the winding position is not changed, and the movement and stop are repeated.
• the moving speed may be reduced to reduce the change in the winding position, so that the moving speed is increased or decreased. desirable.
• a flyer that turns while supplying a wire is disposed on a winding frame including a straight winding frame having a straight coil winding portion and a step winding frame having a stepped step,
• the winding frame moves in the direction of the center axis of the rotation so that coil windings having different circumferential lengths are formed on the winding frame.
• Means that the stepped winding frame is detachable, and the removable stepped winding frame having a different staircase shape is prepared in a plurality of patterns, and is exchanged at the time of coil winding. It is characterized by.
• the plurality of stepped winding frames are held in a stocker, and the changer moves to the winding frame with one stepped winding frame taken out of the stocker. It is preferable that another step winding frame attached to the winding frame is removed, the one step winding frame is mounted, and the removed step winding frame is returned to the stocker.
• the moving speed of the winding frame is varied according to the turning position of the flyer, and the movement is performed when the wire feeding position is on the straight winding frame side having no step.
• the movement is stopped or the moving speed is reduced, so that the coil is not wound across different steps, and the stepped portion is stabilized.
• the winding frame is such that a stepped winding frame is detachable, and a plurality of patterns of the detachable stepped winding frames having different steps are prepared. Since the step winding frame is replaced at the time of coil winding, coils having different circumferential lengths can be arbitrarily formed.
• FIG. 1 is a side view showing a winding frame in which a step winding frame can be exchanged.
• FIG. 2 is a side view showing a winding frame when a replaceable stepped winding frame is replaced.
• FIG. 3 is a plan view showing a winding frame when a replaceable stepped winding frame is replaced.
• FIG. 4 is a view showing a step of attaching the step winding frame to the winding frame.
• FIG. 5 is a diagram showing a step of attaching the step winding frame to the winding frame.
• FIG. 6 is a view showing a process of attaching the winding frame to the winding frame.
• FIG. 7 is a diagram showing a step of replacing the step winding frame mounted on the frame.
• FIG. 8 is a view showing a step of replacing the step winding frame mounted on the frame.
• FIG. 9 is a view showing a process of replacing a step winding frame mounted on the winding frame.
• FIG. 10 is a view showing a step of replacing a step winding frame mounted on the winding frame.
• FIG. 11 is a diagram showing a step of replacing a stepped reel mounted on the reel.
• FIG. 12 is a diagram showing a state of coil winding with respect to the winding frame of the embodiment.
• FIG. 13 is a graph showing movement control (step control) when the bobbin lowers.
• FIG. 14 is a graph showing movement control (variable speed control) when the bobbin lowers.
• FIG. 15 is a diagram showing a conventional coil winding machine.
• FIG. 16 is a view showing a coil winding state in a conventional coil winding machine.
• FIG. 17 is a view showing a state in which a step is provided on a winding frame in a conventional coil winding machine.
• FIG. 18 is a diagram showing a state where the coil wound by the coil winding machine is deposited in a coil insertion jig.
• FIG. 19 is a graph showing the movement control (constant speed control) when the bobbin descends.
• FIG. 1 An embodiment of a winding frame movement control method according to the present invention will be described below with reference to the drawings. Therefore, first, the coil winding machine of the present embodiment will be described.
• a flyer 120 through which a wire 400 as a coil passes is rotatably provided outside the winding frame. Have been.
• the flyer 120 is configured to turn around the bobbin at a high speed, and the wire 400 is spirally wound around the descending bobbin.
• the coil winding machine according to the present embodiment has a step S provided for providing a step on the winding frame so that the coil circumference can be variably set.
• the feature is that it has a replaceable structure.
• the winding frame 1 is a side view showing such a winding frame.
• 2 and 3 are a side view and a plan view showing the winding frame when replacing the replaceable stepped winding frame.
• the winding frame 1 is provided with a step winding frame 3 and a straight winding frame 4 with respect to a winding frame base 2 which is mounted so as to be movable in the vertical direction.
• three step winding frames which can be replaced as the step winding frame 3 are provided.
• 3 A, 3 B and 3 C are available. This is because the coil winding machine of the present embodiment is for mounting U-phase, V-phase, and W-phase coils on the stator in order to manufacture a three-phase motor.
• the three step winding frames 3 A, 3 B, and 3 C have a stepped shape in which steps are formed so that coil windings having circumferential lengths corresponding to the U phase, the V phase, and the W phase, respectively, are formed. ing.
• the stepped winding frame 3 has a stepped stepped portion in which a coil is directly wound, and a slide groove 11 for replacement is formed at the upper end thereof.
• the winding base 2 has a blade 201 of a coil insertion jig 200 as shown in FIG.
• a straight winding frame 4 having a gap portion 12 to be inserted is fixed, and a guide rail 13 corresponding to the slide groove 11 is protruded. Therefore, the step winding frame 3 moves in a direction penetrating the paper surface of FIG. 1 so that the slide groove 11 fits into the guide rail 13 and is attached to the winding frame base 2, and the coil winding is formed. It is configured to create a winding frame 1 that can be used.
• the step winding frames 3 A, 3 B, and 3 C are attached to and detached from the winding frame base 2 in the order of forming the U-phase, V-phase, and W-phase coils.
• a changer 50 is used for attaching and detaching the step winding frames 3A, 3B, 3C as shown in FIGS.
• the changer 50 takes out a predetermined step winding frame 3 from a stocker (not shown) in which the step winding frame 3 is installed, removes another step winding frame 3 previously mounted on the winding frame base 2, It is replaced with the stepped reel 3 taken out of the stocker, and the removed stepped reel 3 is returned to the stocker.
• the specific replacement operation will be described later based on the drawings showing the procedure.
• the changer 50 is composed of a base 51 having an L-shaped side surface as shown in FIG. 2 and a U-shaped plane as shown in FIG. 3, and the base 51 is attached to an arm (not shown). It is connected and provided so as to reciprocate between the bobbin 1 and the stocker.
• the changer 50 is formed with two holding portions 52a and 52b each having an E-shaped plane as shown in FIG. 3 so as to hold the two step winding frames 3 to be replaced at one time.
• the holder 52 is provided.
• the holder 52 is integrated with a slider 53 movable horizontally with respect to the base 51 so as to be movable in the X direction shown in FIG. Such movement of the holder 52 is configured to operate the slider 53 by, for example, an external actuator.
• the changer 50 moves in the arrow Y direction shown in FIG. It fits into. Then, in the fitted state, for example, one movable winding frame 3 A moves from the changer 50 to the winding frame base 2, and another movable winding frame 3 B moves from the winding frame base 2 to the changer 50. Can be simultaneously transferred in the same direction.
• guide rails 55 and 56 are also provided on the changer 50 so that the guide rails 13 of the winding frame base 2 are interposed therebetween.
• Figure 3 shows such guide rails 13, 55, 56.
• the guide rails 55, 56 of the changer 50 are provided below the base 51 via a block 57, as shown in FIG.
• the guide rails 55, 56 are designed to be able to penetrate under the bobbin base 2 and to be located close to the guide rails 13.
• the holder 52 for holding the stepped winding frame 3 is arranged at a height at which it slides without interfering below the guide rails 55 (56, 13). . Therefore, when the holder 52 moves according to the slider 53, the holder 52 pushes the step winding frame 3 to slide and move the guide rails 13, 55, 56.
• FIG. 4 to FIG. 11 are diagrams conceptually showing such respective steps.
• the stocker 80, the bobbin 1 and the changer 50 are simplified in plan view in FIG. Regarding the changer 50, only the holder 52 and the guide rails 55, 56 in FIGS. 1 to 3 are shown.
• the U-phase, V-phase and W-phase step winding frames 3A, 3B and 3C are held in a stocker 80 as shown in FIG. 0 goes to get the U-phase step winding frame 3A first.
• FIGS. 4 and 5 show such a state.
• the holder 52 of the changer 50 slides the stepped winding frame 3A in the direction of the arrow with the one holding portion 52a.
• the step winding frame 3 slides with its slide groove 11 fitted into the guide rail 55 and is transferred to the changer 50.
• the changer 50 moves the stocker 80 from the stocker 80 to the winding frame 1 while holding the step winding frame 3A. It moves as shown in the figure and is arranged as shown in FIG.
• the changer 50 has the base 51 fitted on the bobbin base 2 and the guide rails 55, 13 and 56 arranged on a straight line. It is.
• the changer 50 moves the holder 52 in the direction shown by the arrow in FIG. 6 to the state shown in FIG. As a result, the step winding frame 3 A changes from the guide rail 55 to the guide rail 13. Then, the changer 50 having mounted the U-phase step winding frame 3 A on the winding frame 1 moves to the stocker 80 to take the next V-phase step winding frame 3 B. At this time, in the winding frame 1 in which the step winding frame 3A is mounted on the winding frame base 2 as shown in FIG. 1, coil winding is performed to form a U-phase coil.
• the movement control of the descending winding frame 1 is performed so that the coil makes a stable transfer at the step portion of the step winding frame 3. Then, the flyer 120 turns around the winding frame 1 at a high speed and the wire 400 is spirally wound around the descending winding frame 1 in the same manner as in the conventional example shown in FIG.
• the changer 50 which has been taken out with the V-phase step winding frame 3B has the holding portion 52a side of the holder 52 fitted to the step winding frame 3B as shown in FIG. Then, when the user slides in the direction of the arrow with the holding portion 52a, the slide groove 11 fits into the guide rail 55, and the stepped winding frame 3B is transferred to the changer 50. Therefore, the changer 50 is moved from the stocker 80 to the winding frame 1 while holding the step winding frame 3B as shown in FIG. 9, and is arranged as shown in FIG. That is, the vacant holding portion 52b of the holder 52 is fitted to the stepped winding frame 3A mounted on the winding frame 1 and having completed the U-phase coil winding.
• the guide rails 55, 13 and 56 arranged in a straight line are connected to the step winding frames 3A and 3B by the first 11 As shown in the figure, they move simultaneously, and as shown in Fig. 1, the stepped winding frame 3A attached to the winding frame base 2 is removed, and then the stepped winding frame 3B is moved to the winding frame base. Attached to 2.
• the removed stepped winding frame 3A is returned to the predetermined position of the stocker 180 as shown in FIG. 4, and then the W-phase movable winding 3C is moved to the holding portion 52a of the holder 52. It is held and exchanged for the movable winding 3B which has also finished the V-phase coil winding.
• the coil winding is performed such that the wire 400 is spirally wound around the descending winding frame 1.
• coils having different circumferential lengths are formed over the steps 31 to 36 of the step winding frame 10.
• the lowering control of the winding frame 1 for performing the stable step transition is performed so that the coils having the same circumference can be reliably wound around one step 31, 32,.
• FIGS. 13 and 14 are graphs showing the lowering state of the winding frame 1, respectively, and the vertical axis represents the winding position, that is, the height from the winding start position with respect to the lowering winding frame 110.
• the horizontal axis represents the rotation speed of the flyer 120 with the position as shown in FIG. 15 as an initial state.
• the wire 400 is lowered when there is a wire 400 sending-out position on the side of the straight winding frame 4 having no step, and the movement is stopped when the wire 400 sending-out position turns on the step winding frame 3 so that the height is lowered. Should not change.
• the control method shown in Fig. 14 is a speed control method in which the descending speed is increased or decreased without completely stopping the lowering of the bobbin 1 unlike the control method shown in Fig. 13.
• the variable control is executed. That is, the descending speed of the winding frame 1 is changed in accordance with the sending position of the wire 400 in the flyer 120, and specifically, the sending position of the wire 400 When is on the step winding frame 3 side, the descending speed of the winding frame 1 is reduced, and when it is on the straight winding frame 4 side, the descending speed is increased.
• the step winding frame 3 can be exchanged, so that a coil having a different circumferential length can be arbitrarily formed by preparing a predetermined step winding frame.
• step control or variable speed control As shown in Fig. 13 or Fig. 14.
• step control or variable speed control By changing over steps, coil windings separated for each step 31, 3 2.
• the variable speed control has a smoother movement, so that the mechanical load for moving the bobbin 1 is smaller, and the speed change in each step 31 to 36 is small. This is more preferable because the feed pitch can be reduced.
• the stepping control and the variable speed control of the descending movement control of the replaceable winding frame 1 as shown in FIG. 1 have been described. It is of course effective to control the movement as in the present invention, even if it is of a variable type as in the conventional example, as long as it performs coil winding.

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• Engineering & Computer Science (AREA)
• Manufacturing & Machinery (AREA)
• Power Engineering (AREA)
• Winding Of Webs (AREA)
• Manufacture Of Motors, Generators (AREA)
• Winding, Rewinding, Material Storage Devices (AREA)

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Citations (5)

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• 2003
  • 2003-08-29 JP JP2003306940A patent/JP4217135B2/ja not_active Expired - Lifetime
• 2004
  • 2004-08-30 CN CNB2004800010690A patent/CN100394679C/zh active Active
  • 2004-08-30 CN CN 200810091767 patent/CN101662188B/zh active Active
  • 2004-08-30 WO PCT/JP2004/012892 patent/WO2005022723A1/ja active Application Filing

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