JP2005057950A - Cuff support switching device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a coil assembly device capable of providing size and weight reductions in a carriage pallet, size reduction in equipment, and reduction in manufacturing cost in a coil assembly process. <P>SOLUTION: A cuff support switching device 20 protrudes/retracts a cuff support 5 when a stator core 10 is placed on a stator palette 15 provided with a cuff support slot 4 disposed at a prescribed interval to a radial direction and the cuff support 5 accommodated in each cuff support slot 4 so as to be slid freely. In the device, a head 11a having a cam groove plate 2a with a cam groove 7 and an actuator 23 which rotates/drives the cam groove plate is provided. Besides the cuff support 5 has a cam follower 6. And a round pallet 1a has a stopper block 33 for regulating the retraction of the cuff support 5 at a position where the cuff support 5 is protruded toward the center direction of the round pallet 1a, and a stopper 30 for regulating the projection of the cuff support 5 at a portion where the cuff support 5 is retracted toward an outer peripheral direction of the round pallet 1a. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a coil assembling apparatus used in a coil assembling process for assembling a coil to a stator core provided in a rotating electric machine such as a motor, and in particular, a cuff part provided in a conveyance pallet for conveying a stator core in the coil assembling process. The present invention relates to a cuff opening and closing device.

  The prior art disclosed in Patent Document 1 is shown in FIGS. In FIG. 12, a stator holder (conveying pallet) 900 that supports a stator core (stator core) 100 includes a frame 300, an upper support plate 320, and a lower support plate 340. A cam ring 460 is contained in the annular groove 440 of the upper plate 320. The cam ring 460 has a plurality of slots 700 arranged at an angle equal to the circumferential direction of the central axis of the stator core 100. The lower plate 340 includes a cuff support member (cuff member) 600 slidably inserted into a plurality of slots 580 provided in the radial direction. In FIG. 13, the cam roller 720 provided in the cuff member 600 enters each slot 700 in the cam ring 460 and performs a rolling motion. The piston and cylinder 480 are fixed to the lower plate 340 and connected to the cam ring 460 by a connecting rod 520 and a bolt 540.

Thus, when the piston and cylinder 480 are retracted, the cam ring 460 is rotated clockwise, the slot 700 is also moved in the same direction, and the cam roller 720 and thus the cuffer 600 is moved radially inward. As the piston and cylinder 480 extrude, the cam ring 460 rotates counterclockwise, and movement corresponding to the slot 700 causes the cam roller 720, and thus the cuff, 600 to move radially outward. When the coil is assembled to the stator core, the cuff member 600 is moved inward in the radial direction and arranged at a position between the adjacent coil storage slots so that the coil is pressed against the cuff member 600 instead of the sharp corner of the coil storage slot. As a result, the coil wire can be easily assembled to the stator core by preventing the insulation film of the coil wire from being damaged.
Patent Document 2 is disclosed as another related technique.
JP-A-57-52354 (column (17) -column (22), FIGS. 1 to 3) JP-A-7-222411

  The coil assembling process includes a process for carrying in / out the stator core 100 to / from the transport pallet 900, a process for inserting the coil into the stator core 100, a process for forming a winding wire for the coil inserted into the stator core 100, and the stator core 100 has a multiphase coil configuration. In this case, the stator core 100 is constituted by a plurality of processes such as an inner diameter expansion process of the already inserted coil for facilitating the insertion of the next phase coil and an interphase insulating paper insertion process for ensuring insulation between the coils. The transfer pallet 900 is supported by the transfer pallet 900 and moves between processes. In this case, in order to improve the productivity of the coil assembling process, it is generally performed that a plurality of transport pallets are provided and the assembling work is processed in parallel in a plurality of processes.

  On the other hand, as disclosed in Patent Document 1, the transport pallet 900 is composed of a large number of parts, and has more functions than supporting the stator core 100. That is, an annular groove 440 is formed in the upper plate 320, a cam ring 460 is provided in the annular groove 440, and a piston and a cylinder 480 are fixed to the lower plate 340. The piston / cylinder 480 and the cam ring 460 are connected to each other by a connecting rod 520 and a bolt 540, and have a sliding function of the cuffer 600 independently.

  The transport pallet 900 having the sliding function of the cuffer 600 in addition to the stator core transport function originally required in the coil assembling process has a large number of components and a complicated mechanism. This is a problem because it must be a pallet, and the equipment for the coil assembling process is enlarged, and the production cost may increase.

  The present invention has been made to solve the problems of the prior art, and in the coil assembly process, by simplifying the function of the transport pallet for transporting the stator core, the transport pallet can be reduced in size and weight, and An object of the present invention is to provide a coil assembling apparatus capable of reducing the size and the production cost.

  In order to achieve the above object, the cuff opening and closing device according to claim 1 is slidable for each first groove, with a first groove arranged at a predetermined pitch in the circumferential direction and formed toward the central direction. When the stator core is placed on an annular pallet having a cuff portion housed in the cuff, the cuff member opening and closing device that projects and retracts the cuff portion toward the stator core has a predetermined angle with respect to the circumferential direction for each first groove. A cam groove plate having a cam groove formed thereon, and a head portion having an actuator portion that rotationally drives the cam groove plate, and the cuff portion includes a first cam follower that engages with the cam groove of the cam groove plate. The annular pallet includes a first stopper portion for restricting the retraction of the cuffer portion at a position where the cuff portion protrudes toward the center of the annular pallet, and a cuff at a position where the cuff portion retreats in the outer peripheral direction of the annular pallet. Characterized in that it comprises a second stopper portion for regulating the projecting parts.

  The cam groove formed in the cam groove plate is engaged with the first cam follower provided in the cuff member, and the cam groove plate is rotationally driven by the actuator portion. As a result, the cuff portion slides in the first groove and protrudes and retracts toward the stator core.

  Further, the cuff opening and closing device according to claim 2 is arranged at a predetermined pitch with respect to the circumferential direction, and is slidably housed in each first groove, which is formed toward the central direction. In a cuff opening and closing device for projecting and retracting a cuff section toward a stator core when mounting the stator core on an annular pallet having a cuff section, each cam groove has a predetermined angle with respect to the circumferential direction. Including a cam groove plate, an actuator portion that rotationally drives the cam groove plate, a cuff member guide member that includes a second cam follower and a hook pin that are engaged with the cam groove of the cam groove plate. The cuff portion includes a hook hole with which the hook pin is engaged, and the annular pallet includes a first stopper portion that restricts the retraction of the cuff portion at a position where the cuff portion protrudes toward the center of the annular pallet; Fusa unit is characterized in that it comprises a second stopper portion for restricting the protrusion of Kafusa portion at a position that is retracted toward the outer periphery of the annular pallet.

  The cam groove formed in the cam groove plate is engaged with the second cam follower provided in the cuff guide member. Moreover, the hook pin with which the cuff member guide member is provided and the hook hole with which the cuff member part is provided are engaged. In response to the operation of the cuff guide member performed by the cam groove plate being rotated by the actuator unit, the cuff unit slides along the first groove and protrudes and retracts toward the stator core.

  According to a third aspect of the present invention, in the cuffer opening / closing device according to the first or second aspect, at least one of the first and second stopper portions is in the circumferential direction of the annular pallet and is at least A second groove formed in the bottom surface of the first groove and a ring portion that is slidably accommodated in the second groove and has a restricting portion that projects into the first groove at the pitch of the first groove. It is characterized by that.

  When the ring portion slides on the second groove, it is possible to realize a state in which the restricting portion provided in the ring portion does not protrude into the first groove. When the restricting portion protrudes into the first groove, the restricting portion blocks the path of the first groove and restricts the sliding of the cuff portion. When the restricting portion does not protrude into the first groove, the restricting portion does not block the path of the first groove, so that the cuff portion freely slides in the first groove.

  Further, the cuff opening and closing device according to claim 4 is the cuff opening and closing device according to claim 1 or 2, wherein at least one of the first and second stopper portions is a protrusion formed in the first groove of the annular pallet. And a stopper hole formed in the cuff member, and the sliding of the cuff member is regulated by the protrusion engaging the stopper hole.

  According to a fifth aspect of the present invention, in the cuffer opening / closing device according to the fourth aspect, the protrusion has a structure that is biased by a predetermined elastic force in the direction of the cuff.

  When the protrusion is urged by a predetermined elastic force in the direction of the cuff, and the position of the protrusion matches the stopper hole formed in the cuff, the protrusion and the stopper hole are engaged. Regulates sliding of cuffs. Further, when the positions of the protrusion and the stopper hole do not coincide with each other, the protrusion and the stopper hole do not engage with each other, and the sliding of the cuff portion is not restricted.

  According to a sixth aspect of the present invention, there is provided a cuffer opening / closing device according to the fourth aspect, wherein the cuffer opening / closing device includes a through-hole penetrating the cuffer portion and also serving as a hook hole and a stopper hole, and the protruding portion has a plunger mechanism. The engagement of the protrusion with the stopper hole is released by pressing the protrusion with the hook pin. When the cuff member slides, the protrusion is pushed down in accordance with the operation of engaging the hook pin of the cuff guide member with the through hole of the cuff member, and the engagement of the protrusion with the through hole is released.

  According to the cuff opening and closing device according to claim 1 of the present invention, since the members such as the cam groove plate and the actuator portion can be transferred from the annular pallet to the head portion, the annular pallet can be reduced in size and weight. Can do. Further, since the first stopper part restricts the retraction of the cuffer part and the second stopper part restricts the protrusion of the cuffer part, the cuffer comes out of the stator core during the coil winding operation or the vibration during conveyance of the annular pallet. It is possible to prevent the cuffs from moving due to such as. Further, according to the cuffer opening and closing apparatus according to claim 2, since the members such as the cam groove plate, the actuator part, the cuffer guide member and the like can be transferred from the annular pallet to the head part, the annular pallet is reduced in size and weight. can do. Further, since the first stopper part restricts the retraction of the cuffer part and the second stopper part restricts the protrusion of the cuffer part, the cuffer comes out of the stator core during the coil winding operation or the vibration during conveyance of the annular pallet. It is possible to prevent the cuffs from moving due to such as. According to the cuff opening and closing device of the third aspect, it is possible to freely restrict the sliding of the cuff section in the first groove. According to the cuffer opening and closing device according to the fourth aspect, the cuff part can be fixed by engaging the protrusion with the stopper hole. According to the cuffer opening and closing device according to the fifth aspect, the sliding of the cuffer part is regulated autonomously by aligning the protrusion and the stopper part hole. Further, in order to release the fixation of the cuff portion, it is only necessary to apply a predetermined force to the cuff portion, and a special mechanism for releasing the fixation is unnecessary. According to the cuff opening and closing device of the sixth aspect, the restriction of the sliding of the cuff section is released autonomously by engaging the hook pin and the through hole, and a special mechanism for releasing is unnecessary.

  FIG. 1 to FIG. 7 show a first embodiment, FIG. 8 to FIG. 11 show a second embodiment, and FIG. Details will be described with reference to FIG.

  First, the first embodiment will be described. FIG. 1 is a perspective view showing the relationship between the stator pallet 15 and the cam groove plate 2a. The round pallet parts 1a and 1b are joined via a collar 41 for adjusting the thickness of a stator core (not shown). Further, the outer peripheral portion of the round pallet portion 1b is formed in a flat plate shape for easy handling, and a pallet fixing portion 3 is provided. The stator pallet 15 includes a plurality of cufflink slots 4, and the cufflinks 5 are slidably stored in each cufflink slot. Each of the cuffs 5 includes a cam follower 6. Further, the cam groove plate 2 a is provided with a cam groove 7 corresponding to each of the cuffs 5.

  The configuration and operation of the head 11 and the stator pallet 15 will be described with reference to FIG. The stator pallet 15 is configured by joining a round pallet part 1 a and a round pallet part 1 b including a pallet fixing part 3 formed integrally with each other through a stacking thickness adjusting collar 41. Cam groove plates 2a and 2b are provided on the upper head portion 11a and the lower head portion 11b by cam groove plate fixing rings 21, respectively. Since these structures are vertically symmetrical with respect to the stator pallet 15, only the upper side will be described. The upper head portion 11 a is supported by the shaft 12 and the device base portion 14, and is configured to be movable up and down by the cylinder 13. The stator pallet 15 is conveyed from another process, installed at a predetermined position of the cuff opening and closing device 20 shown in FIG. 2, and fixed through the pallet fixing part 3. Thereafter, the upper head portion 11a is lowered and the lower head portion 11b is raised, so that the stator pallet 15 is sandwiched between the cam groove plates 2a and 2b. At this time, the cam groove 7 (FIG. 1) provided in the cam groove plates 2 a and 2 b engages with the cam follower 6 provided in the cuff member 5. Further, the stator core 10 is lowered from above the cuff opening and closing device 20 by the stator core attaching / detaching device 16 and placed on the center portion of the stator pallet 15.

  The structure and operation of the cam groove plate 2a will be described with reference to FIG. FIG. 3 is a bottom view of the cam groove plate 2 a provided in the upper head portion 11 a when viewed from the stator pallet 15. The cam groove plate 2a has a predetermined angle with respect to the circumferential direction of the central shaft 40 (axis perpendicular to the paper surface) corresponding to each cuff 5 (FIG. 1) provided in the round pallet portion 1a. 7 is provided. The cam groove plate 2a is rotatably fixed to the upper head portion 11a by a cam groove plate fixing ring 21. The cam groove plate 2a is rotated about the central axis 40 by applying rotational forces F1 and F2 to the rotation handle 22 by an actuator 23 (FIG. 2) provided on the upper head portion 11a. To do.

  FIG. 4 is a top view of the stator pallet 15. The left half is in the cuffed open state (the cuffer 5 projects a predetermined amount toward the outer periphery of the stator pallet 15), and the right half is in the cuffed closed state (the cuffer 5 is in the stator pallet 15. A state in which a predetermined amount protrudes to the inner peripheral side) is shown. The cuff 5 is slidably accommodated in the cuff slot 4 of the stator pallet 15 and is configured not to be detached by the cuff presser plate 36. The cuff presser plate 36 is provided with a cam follower moving hole 37, in which the cam follower 6 slides. A cam groove 7 provided in the cam groove plate 2a is engaged with the cam follower 6, and the cam groove plate 2a overlaps the upper side of the cuff presser plate 36 as shown in FIG.

  The operation when the cam follower 6 is engaged with the cam groove 7 will be described with reference to FIGS. When the rotational force F1 is applied to the rotation handle 22 in FIG. 3, the cam groove plate 2a rotates counterclockwise as viewed from the top surface of the stator pallet 15 in FIG. Since a force inward in the direction is applied, the cuff member 5 also moves inward in the circumferential direction. Then, as shown on the right side of FIG. 4, the movement of the cuff 5 ends in the cuff closed state. On the contrary, when the rotational force F2 is applied to the rotation handle 22 in FIG. 3 in the cuff closed state, the cam groove plate 2a rotates in the clockwise direction as viewed from the top surface of the stator pallet 15 in FIG. Since an outward force in the circumferential direction is applied to the cam follower 6 to be engaged, the cuff 5 also moves outward in the circumferential direction. Then, as shown on the left side of FIG. 4, the movement of the cuff 5 ends in the cuff open state. As long as the cam groove 7 and the cam follower 6 are engaged, the position of the cuff 5 is uniquely determined by the rotation angle of the cam groove plate 2a, and is freely fixed without moving in the cuff slot 4.

  FIG. 5 is a sectional view of the stator pallet 15 and the head 11 taken along line AA (FIG. 4). The left side with respect to the central axis 40 in FIG. 5 shows the cuffed member open state, and the right side shows the cuffed member closed state. Since other configurations have already been described, they are omitted here. The structure of the stopper when the cuff is open will be described. The stator pallet 15 has a stopper 30 in each cuffer slot 4 and a stopper hole 31 in each cuffer 5. The stopper 30 has a ball shape and is urged against the cuff member 5 by a spring. In the cuffer open state (left side in FIG. 5), the stopper 30 engages with the stopper hole 31 and the cuffer 5 is fixed. Since the stopper 30 has a ball shape and the stopper hole 31 has a wedge-shaped cross section, when a predetermined force is applied to the cuffer 5 in the direction of sliding toward the inner peripheral side of the stator pallet 15. Since the stopper 30 is pushed down against the urging force of the stopper 30, the engagement between the two is released, and the cuff 5 can be slid again.

  Thereby, the positioning of the stopper 30 and the stopper hole 31 regulates the sliding of the cuff portion independently. Even when the stator pallet 15 is removed from the cuff opening and closing device 20 (FIG. 2) and the cam groove 7 and the cam follower 6 are disengaged, the cuff 5 is fixed. Therefore, it is possible to prevent the cuffer 5 from moving freely even when the stator pallet 15 is transported, and to keep the cuffer open. In order to release the fixation of the cuff 5, it is only necessary to re-engage the cam groove 7 and the cam follower 6 and apply a predetermined force in the radially inward direction to the cam follower 6. No mechanism is required.

  The stator pallet 15 includes a cylindrical stopper ring 32 that can slide in the circumferential direction and a stopper ring groove 35 that houses the stopper ring 32. A stopper block 33 corresponding to the position and number of the cuffs 5 is fixed to the stopper ring 32, and a stopper ring handle 34 is provided. The structure and operation of the stopper ring 32 will be described with reference to FIGS. FIG. 6 corresponds to the open state of the cuffs (left side of FIG. 5), and FIG. 7 corresponds to the closed state of the cuffs (right side of FIG. 5). 6 and 7 show a cross-sectional view of the stator pallet 15 as in FIG. 5, and FIGS. 6 and 7 show a side view of the stator pallet 15 (viewed from the arrow X in FIGS. 6 and 7). Represents. 6 and 7, the stopper block 33 is configured with the same pitch value as the pitch value P <b> 1 that forms the cuffer 5, and is fixed to the stopper ring 32 by screwing (not shown). 6, the stopper block 33 exists in the region 4d between the adjacent cuffer slots 4 and does not block the region 4c that is the path of the cuffer slot 4, so that the cuffer 5 slides freely in the cuffer slot 4. I can move. That is, the stopper is released.

Next, the transition to the stopper setting state will be described. In the state where the cuffer 5 is moved inward in the radial direction from the state of FIG. 6 and is closed, a force in the clockwise direction as viewed from the top surface of the stator pallet 15 is applied to the stopper ring handle 34 of FIG. Then, the stopper ring 32 slides in the stopper ring groove 35 in the circumferential direction in the direction of arrow R in FIG. At this time, when the stopper ring 32 is slid by half of the pitch value P1 of the cuffer 5, the stopper block 33 closes the region 4c that is the path of the cuffer slot 4 as shown in FIG. Cannot slide. As a result, the cuff 5 is fixed at a position protruding in the inner peripheral direction of the stator pallet 15, and the stopper is set by restricting the backward movement to the outer peripheral portion.

  As a result, even when the stator pallet 15 is removed from the cuffer opening / closing device 20 and the engagement between the cam groove 7 and the cam follower 6 is released, for example, when the stator pallet 15 is transported, the cuffer 5 is fixed without moving freely. Is done. That is, in the prior art, since the cam groove plate is provided on the stator pallet side, the cam groove is always engaged with the cam follower of the cuffer, and the position of the cuffer is uniquely determined by the rotation angle of the cam groove plate. Played a role. However, in the present invention, the cam groove plate 2a is provided on the head 11 side, and the cam groove 7 and the cam follower 6 may be disengaged when the stator pallet 15 is conveyed. Therefore, the cuffer 5 is fixed by the stopper 30 when the engagement is released in the cuffer open state, and by the stopper block 33 when the engagement is released in the cuffer closed state.

  In FIG. 6, the width of the circular ring of the round pallet portion 1a is defined as the cuff retention distance. Here, in the case of the prior art, the round pallet portion 1a needs a cuffer holding distance M2 that does not protrude from the outer periphery of the round pallet portion 1a. That is, in the prior art, a cam groove plate or the like is provided on the upper portion of the cuff member, so that the load is applied to the cuff member 5 or the round pallet portion 1a. At this time, if the width of the circular ring of the round pallet portion 1a is the cuff retention distance M1, and the cuff 5 protrudes from the outer periphery of the round pallet portion 1a by the distance M, the cuff 5 Phenomenon such as bending stress is applied to the. Therefore, a cuff retention distance M2 is necessary for the width of the ring of the round pallet portion 1a so that the cuff 5 does not protrude from the outer periphery of the round pallet portion 1a. On the other hand, in the present invention, since components such as the cam groove plate and the actuator portion can be moved to the head 11 (FIG. 2) side, the load applied to the cuff member 5 and the round pallet portion 1a can be reduced. Therefore, since the bending stress applied to the cuffer 5 is reduced with the outer peripheral end S of the round pallet part 1a as a fulcrum and there is no problem in strength, the cuffer holding distance can be shortened from M2 to M1. Thereby, in this invention, size reduction of the stator pallet 15 is attained by making the diameter of the round pallet part 1a small.

  Therefore, components such as the cam groove plate and the actuator portion can be transferred from the stator pallet to the head portion as described above, and the stator pallet 15 can be reduced in weight. Moreover, the stator pallet 15 can be reduced in size by reducing the diameter of the round pallet part 1a with weight reduction. Further, even when the stator pallet 15 is removed from the cuffer opening / closing device 20, the cuffer 5 can be fixed by the stopper 30 or the stopper block 33, so that it is possible to prevent the cuffer 5 from moving due to vibration or the like when the stator pallet 15 is conveyed.

  The cuff slot 4 is the first groove, the cam follower 6 is the first cam follower, the stopper ring groove 35 is the second groove, the stopper block 33 is the restricting portion, the stopper ring 32 is the ring portion, and the stopper 30 is the protruding portion. It is an example. The stopper mechanism including the stopper ring groove 35, the stopper ring 32, and the stopper block 33 is an example of a first stopper portion, and the stopper mechanism including the stopper hole 31 and the stopper 30 is an example of a second stopper portion.

  A second embodiment will be described. FIG. 8 is a perspective view showing the relationship among the stator pallet 15b, the cam groove plate 62a, and the cuff guide member 50 in the second embodiment. The stator pallet 15 b accommodates a cuff 5 f slidably for each cuff slot 4, and each cuff 5 f has a hook hole 53. The round pallet portion 1a is provided with a cuff presser plate 36f, and a hook pin moving hole 37f is formed in the cuff presser plate 36f corresponding to each hook hole 53. The cuff guide member 50 includes a hook pin 51 and a cam follower 52, and the cam groove plate 62 a includes a cam groove 7 corresponding to each cam follower 52. The hook pin 51 engages with the hook hole 53 as shown by the assembly line L1, and the cam follower 52 engages with the cam groove 7 as shown by the assembly line L2. Since other structures are the same as those of the first embodiment, description thereof is omitted here.

  The configuration and operation of the head 60 and the stator pallet 15b will be described with reference to FIG. The stator pallet 15 b is configured by joining the round pallet portions 1 a and 1 b via the stacking thickness adjusting collar 41. Each head 60 includes an arm slot plate 64 having an arm slot 65, and the cuff guide member 50 is housed in each arm slot 65 so as to be slidable. Cam groove plates 62a and 62b are provided on the upper and lower head portions 60a and 60b by the cam groove plate pressing plate 61. Since the other structure is the same as that of the first embodiment, the description thereof is omitted here, and a different part from the first embodiment will be described. Since these structures are vertically symmetrical with respect to the stator pallet 15b, only the upper side will be described.

  The stator pallet 15b is transported from another process, installed at a predetermined position of the cuff opening and closing device 20b shown in FIG. 9, and fixed via the pallet fixing part 3. Thereafter, the upper head portion 60a is lowered and the lower head portion 60b is raised, so that the stator pallet 15b is sandwiched between the upper and lower head portions 60a and 60b. At this time, the hook pins 51 of the cuff guide members 50 provided in the head 60 are engaged with the hook holes 53 of the cuffs 5f accommodated in the corresponding round pallet portions 1a. Further, the stator core 10 is lowered from above the cuff opening and closing device 20b by the stator core attaching / detaching device 16 and placed on the center portion of the stator pallet 15b.

  The structure and operation of the head 60 including the cam groove plate 62a in FIG. 10 will be described. FIG. 10A is a bottom view when the upper head portion 60a is viewed from the stator pallet 15, and FIG. 10B is a side view taken along the line CC (FIG. 10A). The upper head portion 60 a includes an arm slot plate 64 having a number of arm slots 65 corresponding to the cuffs, and the cuffer guide member 50 is slidably stored in each arm slot 65. As shown in FIG. 10B, the cam groove plate 62a is disposed on the lower surface of the arm slot plate 64 so that the cam groove plate 62a is sandwiched between the cam groove plate pressing plate 61 and the arm slot plate 64. It is held slidably. As shown in FIG. 10A, the cam groove plate 62a has a predetermined angle with respect to the radial direction of the central shaft 40 corresponding to each cuff 5f provided in the round pallet portion 1a. The cam followers 52 of the corresponding cuffer guide members 50 are engaged with the cam grooves 67, respectively. The cam groove plate 62a includes a rotation handle 22f.

  FIG. 11 is a cross-sectional view of the stator pallet 15b and the central axis 40 of the head 60. FIG. The left side with respect to the central axis 40 in FIG. 5 shows the cuffed member open state, and the right side shows the cuffed member closed state. A cuff presser plate 36f is mounted on the stator pallet 15b, and the cuff 5f is configured not to be detached from the stator pallet 15b. Since other configurations have already been described, they are omitted here.

  The operation will be described with reference to FIGS. When the hook pin 51 is engaged with the hook hole 53 of the cuff 5f in the cuff open state (left side in FIG. 10, left side in FIG. 11), the rotational force F1 is applied to the rotation handle 22f of the cam groove plate 62a by the actuator 23f. Then, the cam groove plate 62a rotates clockwise about the central axis 40 (axis perpendicular to the paper surface). At this time, since a radially inward force is applied to the cam follower 52 engaged with the cam groove 67, the cuff guide member 50 moves inward in the radial direction. At this time, since the cuff guide member 50 and the cuff member 5f are engaged via the hook pin 51 and the hook hole 53, the cuff member 5f also moves inward in the radial direction as the cuff guide member 50 moves. Then, when the cam follower 52 comes into contact with the inner end 67a of the cam groove 67, the movement of the cuff guide member 50 and the cuff 5f is stopped, and the cuff is closed (right side in FIG. 10, right side in FIG. 11). Conversely, when the hook pin 51 is engaged with the hook hole 53 of the cuff 5f in the closed state of the cuff, when the rotational force F2 is applied to the rotation handle 22f of the cam groove 62a, the cam groove 62a is counterclockwise. The cam follower 52 that rotates in the direction and engages with the cam groove 7 is subjected to a radially outward force, so that the cuff guide member 50 and the cuff 5f move radially outward to open the cuff (see the left side of FIG. 10, FIG. 11). Left side).

  Next, the structure of the stopper for fixing the cuff 5f will be described. Each cuff 5f is provided with a hook hole 53, and the hook hole 53 penetrates to the back surface of the cuff 5f to form a back surface hook hole 53b. An inner peripheral plunger 71 is provided on the inner peripheral side of each of the cuff slots 4 of the stator pallet 15b, and an outer peripheral plunger 72 is provided on the outer peripheral side. And the inner periphery plunger 71 and the outer periphery plunger 72 are each provided with the plunger projection part which has a plunger mechanism. Here, the plunger mechanism is a mechanism that can maintain two states, a state in which the plunger protrusion protrudes and a state in which the plunger protrusion is stored (not protruding). When the plunger protruding portion is pushed down by a predetermined amount, the protruding state is changed to the retracted state. Conversely, the plunger protruding portion is released from the depressed state after being pushed down by the predetermined amount from the retracted state. And the plunger protrusion is a mechanism for transitioning from the retracted state to the protruding state.

  The operation of the stopper for fixing the cuff 5f will be described. In the cuff open state (left side in FIG. 11), the plunger protrusion of the outer peripheral plunger 72 is engaged with the back surface hook hole 53b. As a result, the cuff 5f is fixed at a position retracted in the outer peripheral direction of the stator pallet 15b, and the protrusion to the inner peripheral portion is restricted. Next, an operation for closing the cuffs will be described. First, the upper head portion 60a is lowered and the lower head portion 60b is raised to engage the hook pins 51 with the hook holes 53 of the corresponding cuffs 5f. During this engagement, the plunger projection of the outer plunger 72 is pushed down by the hook pin tip 51b provided at the tip of the hook pin 51, and the plunger projection shifts from the protruding state to the retracted state. The engagement between the portion and the back surface hook hole 53b is released, and the fixing of the cuff 5f is released. Next, by rotating the cam groove plate 62a, the cuff guide member 50 is moved inward in the radial direction, and the cuff 5f is moved to the cuff close state (right side in FIG. 11). When the hook pin 51 and the hook hole 53 are disengaged in the closed state of the cuff (the upper head portion 60a is raised and lowered, and the lower head portion 60b is raised), the hook pin tip 51b is separated from the protrusion of the inner peripheral plunger 71. Therefore, the plunger protrusion of the inner peripheral plunger 71 transitions from the retracted state to the protruding state, and the plunger protrusion engages with the back surface hook hole 53b, so that the cuff 5f is fixed. As a result, the cuff 5f is fixed at a position protruding in the inner peripheral direction of the stator pallet 15b, and retreat to the outer peripheral portion is restricted.

  Thereby, even when the stator pallet 15b is removed from the cuff member opening / closing device 20b and the engagement between the hook pin 51 and the hook hole 53 of the cuff member 5f is released, the cuff member 5f is fixed in the cuff member open state or the closed state, It is possible to prevent the cuff member 5f from moving due to vibrations or the like during conveyance of the stator pallet 15b. Further, the cuffs 5f are fixed by releasing the fixation of the cuffs 5f independently by engaging the hook pins 51 and the hook holes 53, and a special mechanism for the release is unnecessary. That is, when the cuffer portion slides, the plunger protrusions of the inner peripheral plunger 71 or the outer peripheral plunger 72 are pushed down in accordance with the operation in which the hook pin 51 of the cuffer guide member 50 is engaged with the hook hole 53 of the cuffer 5f. The engagement of the plunger protrusion with the back surface hook hole 53b is released.

  The cam follower 52 is an example of a second cam follower that penetrates to the back surface of the cuff 5f and forms the back surface hook hole 53b. The back surface hook hole 53b is an example of a stopper hole. The stopper mechanism composed of the protrusion of the inner peripheral plunger 71 and the back surface hook hole 53b is an example of the first stopper portion, and the stopper mechanism composed of the protrusion of the outer periphery plunger 72 and the back surface hook hole 53b of the second stopper portion. It is an example.

    The present invention is not limited to the above-described embodiment, and it goes without saying that various improvements and modifications can be made without departing from the spirit of the present invention. For example, in this embodiment, although the coil segment which comprises the coil used for a cyclic | annular stator core was demonstrated, this invention is not limited to this, The alignment of the coil segment which comprises the coil for rotors is also carried out. It goes without saying that the same applies. Further, the protruding portion is not limited to the ball shape like the stopper 30 of the present embodiment, and may be a cylindrical shape or the like. Although the protrusion is biased by the cuff with a spring, it goes without saying that an elastic body such as a leaf spring or a spring coil can be used. The protrusion is not limited to a mechanism biased by an elastic body, and a plunger mechanism may be used. In addition, it goes without saying that it is possible to cope with the case where the thickness of the stator core 10 in the direction of the central axis 40 is different by changing the thickness of the thickness adjusting collar 41. Since the stopper block 33 is fixed to the stopper ring 32 with screws, the position of the stopper block 33 can be changed in accordance with the configuration of the stator pallet 15 by adjusting the screw position. For example, the central axis 40 of the stator core 10 can be changed. It is also possible to cope with the case where the thickness in the direction is increased.

  Further, the stopper hole 31 provided in the cuff member 5 in the first embodiment is not limited to one place, and a plurality of stopper holes 31 may be provided in the radial direction of the stator pallet 15. Thereby, it becomes possible to fix the amount of the cuffer 5 protruding to the inner peripheral side of the stator pallet 15 at a position adjusted stepwise by the number of the stopper holes, and cope with the case where the diameter of the stator core 10 changes. Can do. Further, when fixing the cuffer 5 by closing the path of the cuffer slot 4 with the stopper block 33, it is limited to a mode in which the end of the cuffer 5 and the stopper block 33 are in contact with each other as shown in this embodiment. I can't. For example, it is possible to form a stopper block groove in the circumferential direction of the stator pallet 15 on the bottom surface of the cuff member 5 and fix the cuff member 5 by engaging the stopper block 33 in the groove. If the cuffer 5 is provided with a plurality of stopper block grooves, the cuffer 5 can be fixed at a position where the amount of protrusion of the cuffer 5 on the inner peripheral side of the stator pallet 15 is adjusted stepwise by the number of grooves. It is possible to cope with a case where the change occurs. In the second embodiment, the plunger provided in the cuff slot 4 is not limited to the inner peripheral plunger 71 and the outer peripheral plunger 72. If a plurality of plungers are provided in the radial direction of the stator pallet 15, the diameter of the stator core 10 may change. Needless to say, we can respond.

It is a perspective view which shows the relationship between the pallet of 1st Embodiment and a cam groove board. It is a figure which shows the relationship between the head part of 1st Embodiment, and a pallet. It is a figure which shows the structure of the cam groove board of 1st Embodiment. It is a top view of the pallet of 1st Embodiment. It is sectional drawing in the center axis | shaft of the stator pallet of 1st Embodiment, and an up-and-down head part. It is a figure which shows the effect | action at the time of cancellation | release of the stopper ring of 1st Embodiment. It is a figure which shows the effect | action at the time of the setting of the stopper ring of 2nd Embodiment. It is a perspective view which shows the relationship between the pallet of 2nd Embodiment, a cam groove board, and a cuff member guide member. It is a figure which shows the relationship between the head part of 2nd Embodiment, and a pallet. It is a figure which shows the structure of a head part provided with the cam groove board of 2nd Embodiment. It is sectional drawing in the center axis | shaft of the stator pallet of 2nd Embodiment, and an up-and-down head part. It is sectional drawing of the conveyance pallet in a prior art. It is a top view of the conveyance pallet in a prior art.

Explanation of symbols

1a, 1b Pallet 2a Cam groove plate 5 Cuffer 6 Cam follower 7 Cam groove 15 Stator pallet 11a Upper head part 10 Stator core 20 Cuff opening and closing device 30 Stopper 32 Stopper ring 33 Stopper block 40 Center shaft

Claims (6)

A stator core is mounted on an annular pallet having a first groove that is arranged at a predetermined pitch in the circumferential direction and formed toward the center direction, and a cuff portion that is slidably housed in each first groove. When doing, in the cuff opening and closing device for projecting, retracting the cuff portion toward the stator core,
A head portion having a cam groove plate in which a cam groove is formed with a predetermined angle with respect to the circumferential direction for each of the first grooves, and an actuator portion for rotating the cam groove plate;
The cuff portion includes a first cam follower that engages with the cam groove of the cam groove plate,
The annular pallet has a first stopper portion that restricts the retraction of the cuff portion at a position where the cuff portion protrudes toward the center of the annular pallet;
A cuff opening and closing device comprising: a second stopper for restricting protrusion of the cuff at a position where the cuff is retracted in the outer circumferential direction of the annular pallet. A stator core is disposed on an annular pallet including a first groove arranged at a predetermined pitch with respect to the circumferential direction and formed toward the center direction, and a cuff portion slidably housed in each first groove. In the cuff opening and closing device for projecting and retracting the cuff portion toward the stator core when mounting,
A cam groove plate in which a cam groove is formed with a predetermined angle with respect to the circumferential direction for each of the first grooves, an actuator portion for rotationally driving the cam groove plate, and the cam groove of the cam groove plate A head portion having a second cam follower engaged with the hook cam guide member including a hook pin,
The cuff portion includes a hook hole with which the hook pin is engaged,
The annular pallet has a first stopper portion that restricts the retraction of the cuff portion at a position where the cuff portion protrudes toward the center of the annular pallet;
A cuff opening and closing device comprising: a second stopper for restricting protrusion of the cuff at a position where the cuff is retracted in the outer circumferential direction of the annular pallet. At least one of the first and second stopper portions is
A second groove formed in a circumferential direction of the annular pallet and opened at least on a bottom surface of the first groove;
3. A ring portion having a restricting portion that is slidably accommodated in the second groove and protrudes into the first groove at a pitch of the first groove. The described cufflinker opening and closing device. At least one of the first and second stopper portions is
A protrusion formed in the first groove of the annular pallet;
A stopper hole formed in the cuff portion,
The cuff opening and closing device according to claim 1, wherein sliding of the cuff portion is restricted by the protrusion engaging with the stopper hole.   The cuff opening and closing device according to claim 4, wherein the protrusion has a structure that is biased by a predetermined elastic force in the direction of the cuff. Penetrating through the cuff portion, and having a through-hole also used as the hook hole and the stopper hole,
The cuff according to claim 4, wherein the projection has a plunger mechanism, and the engagement of the projection with the stopper hole is released by the depression of the projection by the hook pin. Switchgear.

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