CN112311171B

CN112311171B - Clamp and clamp assembly

Info

Publication number: CN112311171B
Application number: CN201910694283.7A
Authority: CN
Inventors: 白根正嗣; 谷口谅敏
Original assignee: Nidec Machinery Zhejiang Corp
Current assignee: Nideco Intelligent Equipment Zhejiang Co ltd
Priority date: 2019-07-30
Filing date: 2019-07-30
Publication date: 2021-10-01
Anticipated expiration: 2039-07-30
Also published as: CN112311171A

Abstract

A jig and jig assembly which can facilitate the assembly and disassembly of a split core of a motor. Anchor clamps include the seat, and the seat is equipped with locking release mechanism, and it includes: a guide groove extending in the Z direction and into which the split cores are inserted; a first abutting member movable in the Z direction to abut against the split core; a second abutting piece capable of switching between a first position where the abutting portion protrudes into the moving path of the divided iron core and a second position where the abutting portion exits from the moving path; a switching member that moves toward the Z1 side to switch the second contact piece to the first position and moves toward the Z2 side to switch the second contact piece to the second position; a linkage member connected to the first abutting member and movable in the Z direction; a first urging member for moving the first contact member toward the Z1 side; and a second biasing member for switching the second contact member to the first position, wherein an engaging structure for moving the switching member together to the Z2 side when the first contact member is further moved from the predetermined position to the Z2 side is provided between the first contact member and the switching member.

Description

Clamp and clamp assembly

Technical Field

The present invention relates to a jig and a jig assembly including the same, and more particularly, to a jig for fixing a split core of a motor and a jig assembly including the same.

Background

In a motor, a core having an annular or cylindrical core back portion and a plurality of pole teeth portions protruding from the core back portion toward a radially inner side or a radially outer side of the core and a coil is generally included.

In manufacturing the motor, it is generally necessary to fix the core to a winding machine via a jig, and then wind the coil wire around the pole teeth of the core by the winding machine.

However, in the conventional motor, there is a structure in which an annular or cylindrical core is formed by a plurality of divided cores having a core back portion extending in a circumferential direction of the core and a pole tooth portion protruding from the core back portion toward a radial inner side or a radial outer side of the core, and when manufacturing the motor having the annular or cylindrical core formed by the plurality of divided cores, it is necessary to fix each divided core to a winding machine via a jig and then wind a coil wire around the pole tooth portion of each divided core by the winding machine, and therefore, whether or not the divided cores can be easily attached to or detached from the jig significantly affects the manufacturing efficiency of the motor.

Disclosure of Invention

The present invention has been made in view of the above problems, and an object of the present invention is to provide a jig which can easily attach and detach a split core of a motor.

In order to achieve the above object, the present invention provides a jig for fixing a split core of a motor, including a seat portion on which a locking and unlocking mechanism is provided, the locking and unlocking mechanism including: a guide groove extending in a first direction and into which the split cores are inserted from one side of the first direction; a first abutting piece which is movable in the first direction to abut against the split core inserted into the guide groove from the other side in the first direction; a second abutting piece switchable between a first position where an abutting portion of the second abutting piece protrudes into a moving path of the split core when moving along the guide groove to abut against the split core inserted into the guide groove from one side in the first direction and a second position where the abutting portion of the second abutting piece exits from the moving path; a switching member that switches the second contact member to the first position by moving toward one side in the first direction and switches the second contact member to the second position by moving toward the other side in the first direction; a linkage member connected to the first abutting piece and movable in the first direction; a first urging member that moves the first contact member toward one side in the first direction; and a second urging member that switches the second abutting piece to the first position, wherein an engagement structure is provided between the first abutting piece or the linkage member and the switching member, and when the first abutting piece is further moved from a predetermined position to the other side in the first direction, the engagement structure moves the switching member together with the first abutting piece to the other side in the first direction.

According to the present invention, there is provided a clip comprising a seat portion on which a locking and unlocking mechanism is provided, the locking and unlocking mechanism comprising a guide groove extending in a first direction and into which a divided core is inserted from one side of the first direction, a first abutting piece movable in the first direction to abut from the other side of the first direction against the divided core inserted into the guide groove, a second abutting piece switchable between a first position at which the abutting portion protrudes into a moving path of the divided core and a second position at which the abutting portion retreats from the moving path, a switching member switching the second abutting piece toward the first position by moving toward one side of the first direction and switching the second abutting piece toward the second position by moving toward the other side of the first direction, and a second urging member connected to the first abutting piece, and is movable in a first direction, the second urging member switches the second abutting member toward the first position, an engaging structure is provided between the first abutting member or the linking member and the switching member, and when the first abutting member is further moved from the preset position toward the other side in the first direction, the engaging structure moves the switching member together with the first abutting member toward the other side in the first direction. Therefore, by applying a force to the link member, the first abutting member is further moved from the predetermined position to the other side in the first direction against the force applied by the first force applying member, the switching member is moved together to the other side in the first direction, and the second abutting member is switched to the second position against the force applied by the second force applying member, the split core of the motor can be easily inserted into the guide groove, in this state, only by releasing the urging force to the link member, the first abutting member moves toward one side in the first direction by the first urging member and abuts against the split core of the motor from the other side in the first direction, and the second abutting member moves toward the first position by the second urging member and abuts against the split core of the motor from one side in the first direction, so that the split core of the motor can be locked in the first direction by the first abutting member and the second abutting member, and the split core of the motor can be fixed to the jig; on the other hand, after the winding operation of the divided cores fixed to the jig is completed, the divided cores of the motor can be easily taken out of the guide grooves only by applying a force to the link member to move the first abutting member further from the predetermined position toward the other side in the first direction against the force applied by the first force application member, and by moving the switching member together toward the other side in the first direction by the engaging structure to switch the second abutting member toward the second position against the force applied by the second force application member.

In the jig of the present invention, it is preferable that the seat portion has a columnar shape with a center line extending in the first direction, and a plurality of the lock/unlock mechanisms are provided in the seat portion in a circumferential direction around the center line.

According to the jig of the present invention, since the plurality of locking/unlocking mechanisms are provided in the seat portion in the circumferential direction around the center line thereof, the plurality of split cores of the motor can be simultaneously fixed to the jig by the plurality of locking/unlocking mechanisms, and the winding work can be simultaneously performed on the plurality of split cores of the motor, thereby improving the manufacturing efficiency of the motor.

In the jig of the present invention, it is preferable that the seat portion is provided with a plurality of the lock/unlock mechanisms at equal intervals in a circumferential direction around the center line.

According to the jig of the present invention, since the plurality of lock/unlock mechanisms are provided at equal intervals in the circumferential direction around the center line in the seat portion, when performing a winding operation on the plurality of divided cores of the motor fixed to the jig, it is easy to ensure a balance of forces in the circumferential direction around the center line, which contributes to a stable winding operation.

In the jig of the present invention, it is preferable that a hooking portion, to which a leading end of the coil wire wound around the split core inserted into the guide groove and led out from the split core is hooked, is provided on one side of the seat portion in the first direction.

According to the jig of the present invention, since the hook portion to which the leading ends of the coil wires wound around the divided cores inserted into the guide grooves are hooked is provided on the seat portion on the first direction side, the leading ends of the coil wires can be guided by the hook portion when the winding operation is performed, which helps to prevent the leading ends of the coil wires from being entangled with each other and affecting the winding operation.

In the jig of the present invention, it is preferable that a columnar end cap having a smaller diameter than the seat portion is provided on an end surface of the seat portion on one side in the first direction, and the hook portion protruding in a radial direction around the center line is provided on an outer peripheral surface of the columnar end cap so as to correspond to the number of the lock/unlock mechanisms.

In the jig of the present invention, it is preferable that the contact portion of the second contact member has a relief portion that is shaped so as to approach the center line as it approaches the first position, and/or that the relief portion is shaped so as to approach the other side in the first direction as it approaches the first position in a state where the second contact member is located at the first position.

According to the clip of the present invention, the contact portion of the second contact member has the escape portion which is shaped so as to be closer to the center line as it approaches the first position, and/or the escape portion is shaped so as to approach the other side in the first direction as it approaches the first position in a state where the second contact member is located at the first position, so that the escape portion can escape the lead-out portion of the coil wire extending from the divided core inserted into the guide groove to the hook portion, and the coil wire can be prevented from being broken by contact with the second contact member.

In the jig of the present invention, it is preferable that an edge of the abutting portion of the second abutting piece on a side away from the center line and toward the first direction is formed with a rounded portion.

According to the clip of the present invention, since the rounded portion is formed on the edge of the abutting portion of the second abutting piece on the side away from the center line and toward the first direction, the lead-out portion of the coil wire extending from the divided core inserted into the guide groove to the hook portion can be avoided by the rounded portion, and the coil wire can be prevented from being broken due to contact with the second abutting piece.

In the jig of the present invention, it is preferable that the second contact piece and the switching member are provided in a pair around the guide groove.

According to the jig of the present invention, since the second contact member and the switching member are provided in a pair around the guide groove, the split cores of the motor can be biased in a balanced manner by the pair of second contact members, which contributes to stably fixing the split cores of the motor to the jig.

Further, in the jig of the present invention, it is preferable that the switching member includes: a stem portion extending in the first direction; and a driving piece protruding in a direction intersecting the first direction, the second abutting member being provided so as to be rotatable between the first position and the second position, and having driven pieces located on both sides of the driving piece in the first direction and against which the driving piece abuts, the second abutting member being configured to rotate toward the first position by the driving piece applying a force to one of the driven pieces toward one side in the first direction, and to rotate toward the second position by the driving piece applying a force to the other of the driven pieces toward the other side in the first direction.

According to the clip of the present invention, the switching member includes: a stem portion extending in a first direction; and a driving plate protruding in a direction intersecting the first direction, the second abutting member being provided so as to be rotatable between a first position and a second position, and having driven plates located on both sides of the driving plate in the first direction and against which the driving plate abuts, the second abutting member being rotated toward the first position by the driving plate urging one driven plate toward one side in the first direction, and rotated toward the second position by the driving plate urging the other driven plate toward the other side in the first direction, and therefore, switching of the second abutting member between the first position and the second position can be realized with a simple structure, contributing to reduction of manufacturing cost.

In the clip according to the present invention, it is preferable that the interlocking member is fixed to the first contact piece, and the engaging structure includes: an engaging portion provided on the first abutting piece or the linkage member; and an engaged portion provided in the switching member, wherein when the first abutting member moves to a predetermined position toward the other side in the first direction, the engaging portion starts to abut against the engaged portion to move the first abutting member and the switching member together toward the other side in the first direction, the first urging member urges the interlocking member and/or the first abutting member toward one side in the first direction, and the second urging member urges the switching member toward one side in the first direction to switch the second abutting member toward the first position.

According to the jig of the present invention, the interlocking member is fixed to the first abutting piece, the interlocking member or the first abutting piece has the engaging portion, the switching member has the engaged portion, when the first abutting piece moves to the preset position toward the other side in the first direction, the engaging portion starts to abut against the engaged portion to move the first abutting piece together with the switching member toward the other side in the first direction, the first urging member urges the interlocking member and/or the first abutting piece toward one side in the first direction, and the second urging member opposes the switching member toward one side in the first direction to switch the second abutting piece toward the first position, so that the switching member can be moved together toward the other side in the first direction when the first abutting piece further moves from the preset position toward the other side in the first direction with a simple structure, and the return of the first abutting piece toward one side in the first direction and the return of the second abutting piece toward the first position can be realized with a simple structure, contributing to a reduction in manufacturing costs.

In the clip according to the present invention, it is preferable that the interlocking member is formed integrally with the first abutment.

According to the clamp of the present invention, the interlocking member is formed integrally with the first abutting member, and therefore, the structure can be further simplified, thereby reducing the manufacturing cost.

Further, in order to achieve the above object, the present invention provides a jig assembly comprising: the above-mentioned jig; and a base which is carried by the clamp and has a driving part which is arranged to be detachably connected with the linkage part of the clamp so as to drive the linkage part to move along the first direction.

(effect of the invention)

According to the present invention, there is provided a lock/unlock mechanism including a guide groove, a first abutting piece, a second abutting piece, a switching member, an interlocking member, a first urging member, and a second urging member, the guide groove extending in a first direction and into which the divided cores are inserted from one side of the first direction, the first abutting piece being movable in the first direction to abut against the divided cores inserted into the guide groove from the other side of the first direction, the second abutting piece being switchable between a first position at which the abutting portion protrudes into a moving path of the divided cores and a second position at which the abutting portion retreats from the moving path, the switching member switching the second abutting piece toward the first position by moving toward one side of the first direction and switching the second abutting piece toward the second position by moving toward the other side of the first direction, the interlocking member being connected to the first abutting piece, and is movable in a first direction, the first urging member moves the first abutting member toward one side of the first direction, the second urging member switches the second abutting member toward the first position, and an engaging structure is provided between the first abutting member or the linking member and the switching member, and when the first abutting member is further moved from the preset position toward the other side of the first direction, the engaging structure moves the switching member together with the first abutting member toward the other side of the first direction. Therefore, by applying a force to the link member, the first abutting member is further moved from the predetermined position to the other side in the first direction against the force applied by the first force applying member, the switching member is moved together to the other side in the first direction, and the second abutting member is switched to the second position against the force applied by the second force applying member, the split core of the motor can be easily inserted into the guide groove, in this state, only by releasing the urging force to the link member, the first abutting member moves toward one side in the first direction by the first urging member and abuts against the split core of the motor from the other side in the first direction, and the second abutting member moves toward the first position by the second urging member and abuts against the split core of the motor from one side in the first direction, so that the split core of the motor can be locked in the first direction by the first abutting member and the second abutting member, and the split core of the motor can be fixed to the jig; on the other hand, after the winding operation of the divided cores fixed to the jig is completed, the divided cores of the motor can be easily taken out of the guide grooves only by applying a force to the link member to move the first abutting member further from the predetermined position toward the other side in the first direction against the force applied by the first force application member, and by moving the switching member together toward the other side in the first direction by the engaging structure to switch the second abutting member toward the second position against the force applied by the second force application member.

Drawings

Fig. 1 is a perspective view schematically showing a jig for a split core with a motor according to an embodiment of the present invention, and shows a state of being viewed from one side in a first direction.

Fig. 2 is a perspective view schematically showing a jig for a split core with a motor according to an embodiment of the present invention, and shows a state of being viewed from the other side in the first direction.

Fig. 3A is a side view schematically showing a fixture for a split core with a motor according to an embodiment of the present invention.

Fig. 3B is a sectional view taken along line a-a of fig. 3A.

Fig. 4A is a plan view schematically showing a jig for a split core with a motor according to an embodiment of the present invention.

Fig. 4B is a sectional view taken along line B-B of fig. 4A.

Fig. 5A is an exploded view schematically showing a fixture for a split core with a motor according to an embodiment of the present invention, and shows a state of being viewed from one side in a first direction.

Fig. 5B is a partially enlarged view of fig. 5A.

(symbol description)

100 clamp

110 seat part

111 main body part

1111 first through hole

1112 second through hole

1113 center hole

112 cover part

1121 first through-hole

1122 second through hole

1123 center hole

120 first abutting part

121 main body part

122 abutting part

130 second abutment member

131 abutting part

1311 avoiding part

132 support part

1321A driven plate

1321B driven plate

133 fulcrum

140 switching means

141 rod-shaped part

1411 disc part

1412 first small diameter part

1413 first large diameter part

1414 second minor diameter portion

1415 second major diameter part

142 cylindrical part

150 linkage part

151 rod-shaped part

1511 connecting part

1512 threaded hole

152 screw portion

160 first force application member

170 second force-applying member

180 guide post

190 column end cap

1911 center hole

1912 screw hole

1913 hook part

LU locking and unlocking mechanism

GD guiding groove

HL journal hole

BB spring seat

200-segment iron core

Detailed Description

Next, a description will be given of a jig according to an embodiment of the present invention with reference to fig. 1 to 5B, in which fig. 1 is a perspective view schematically showing the jig for a split core with a motor according to the embodiment of the present invention and showing a state viewed from one side in a first direction, fig. 2 is a perspective view schematically showing the jig for a split core with a motor according to the embodiment of the present invention and showing a state viewed from the other side in the first direction, fig. 3A is a side view schematically showing the jig for a split core with a motor according to the embodiment of the present invention, fig. 3B is a cross-sectional view taken along a line a-a of fig. 3A, fig. 4A is a plan view schematically showing the jig for a split core with a motor according to the embodiment of the present invention, fig. 4B is a cross-sectional view taken along a line B-B of fig. 4A, fig. 5A is an exploded view schematically showing the jig for a split core with a motor according to the embodiment of the present invention, and shows a case of being viewed from one side in the first direction, and fig. 5B is a partially enlarged view of fig. 5A.

Here, for convenience of explanation, three directions orthogonal to each other are set as an X direction, a Y direction, and a Z direction, and one side of the X direction is set as X1, the other side of the X direction is set as X2, one side of the Y direction is set as Y1, the other side of the Y direction is set as Y2, one side of the Z direction is set as Z1, and the other side of the Z direction is set as Z2, where the Z direction corresponds to a first direction in the present invention, the Z1 side corresponds to one side of the first direction in the present invention, and the Z2 side corresponds to the other side of the first direction in the present invention.

(Overall Structure of the jig)

As shown in fig. 1 to 5A, the jig 100 is used to fix the split core 200 of the motor; further, the jig 100 includes a seat 110, and a locking/unlocking mechanism LU is provided on the seat 110, and includes: a guide groove GD that extends in the Z direction and into which the split core 200 (in the example shown, the core back of the split core 200) is inserted from the Z1 side; a first abutting piece 120, which is movable in the Z direction, and which abuts against the split core 200 inserted into the guide groove GD from the Z2 side, the first abutting piece 120 being movable in the Z direction; a second contact member 130, the second contact member 130 being switchable between a first position (not shown) in which the contact portion 131 of the second contact member 130 protrudes into a movement path of the split core 200 when moving along the guide groove GD so as to contact the split core 200 inserted into the guide groove GD from the Z1 side, and a second position (see the state shown in fig. 1) in which the contact portion 131 of the second contact member 130 is retracted from the movement path; a switching member 140, the switching member 140 switching the second contact element 130 to the first position by moving to the Z1 side, and switching the second contact element 130 to the second position by moving to the Z2 side; a link member 150 connected to the first abutment member 120, the link member 150 being movable in the Z direction; a first biasing member 160 that moves the first contact piece 120 toward the Z1 side, the first biasing member 160 being a spring; and a second biasing member 170 for switching the second contact piece 130 to the first position, wherein an engaging structure is provided between the first contact piece 120 or the linking member 150 and the switching member 140, and when the first contact piece 120 is further moved from a predetermined position (a position closer to the Z2 side than the position shown in fig. 2) toward the Z2 side, the engaging structure moves the switching member 140 together with the first contact piece 120 toward the Z2 side.

(Structure of seat)

As shown in fig. 1 to 4, the seat 110 has a columnar shape with a center line extending in the Z direction.

Here, as shown in fig. 1 to 5A, the seat portion 110 includes a main body portion 111 and a cover portion 112, wherein the main body portion 111 is substantially octagonal prism-shaped, the cover portion 112 is substantially quadrangular prism-shaped, has a smaller dimension in the Z direction than the main body portion 111, and is fixed to an end surface of the main body portion 111 on the Z2 side by screws.

Further, as shown in fig. 5A, the main body portion 111 includes a first side P1, a second side P2, a third side P3, a fourth side P4, a fifth side, a sixth side, a seventh side, and an eighth side which are sequentially arranged in a circumferential direction centering on a center line of the seat portion 110, wherein the first side P1 and the fifth side are parallel to each other, the third side P3 and the seventh side are parallel to each other, the first side P1 and the third side P3 are perpendicular to each other, the second side P2 and the sixth side are parallel to each other, the fourth side P4 and the eighth side P3624 are parallel to each other, the second side P2 and the fourth side P4 are perpendicular to each other, and the first side P1 and the second side P2 intersect at an angle of substantially 45 degrees.

Further, as shown in fig. 5A, the first side surface P1, the third side surface P3, the fifth side surface, and the seventh side surface are provided with guide grooves GD extending in the Z direction, respectively.

As shown in fig. 3B, 4B, and 5A, the main body 111 is provided with four first through holes 1111, four second through holes 1112, and a center hole 1113, wherein the first through holes 1111 penetrate the main body 111 in the Z direction, the four first through holes 1111 are provided so as to correspond to the first side surface P1, the third side surface P3, the fifth side surface, and the seventh side surface and communicate with the respective guide grooves GD of the first side surface P1, the third side surface P3, the fifth side surface, and the seventh side surface, the four second through holes 1112 penetrate the main body 111 in the Z direction, the four second side surfaces P2, the fourth side surface P4, the sixth side surface, and the eighth side surface are provided so as to correspond to the center holes 1113, which penetrate the main body 111 in the Z direction, and which the center line coincides with the center line of the seat 110.

As shown in fig. 5A, the lid 112 is provided with four first through

holes

1121, 1122 and a center hole 1123, the first through holes 1121 penetrating the lid 112 in the Z direction and corresponding to the first through holes 1111, the second through holes 1122 penetrating the lid 112 in the Z direction and corresponding to the second through holes 1112, and the center hole 1123 penetrating the lid 112 in the Z direction and corresponding to the center hole 1113.

In the present embodiment, as shown in fig. 1 to 5A, the seat 110 is provided with a plurality of lock/unlock mechanisms LU in a circumferential direction around a center line thereof. Specifically, the seat 110 is provided with four lock/unlock mechanisms LU at equal intervals in the circumferential direction around the center line thereof.

(Structure of first abutment member)

As shown in fig. 3B and 5A, the first abutment 120 is fixed with the linking member 150.

Here, as shown in fig. 3B and 5A, four first contact pieces 120 are provided corresponding to the four first through holes 1111 of the body portion 111.

As shown in fig. 5A, the first abutting piece 120 includes a main body portion 121 and an abutting portion 122, in which the main body portion 121 is formed in a substantially cylindrical shape extending in the Z direction, and the abutting portion 122 protrudes from the main body portion 121 in an outer direction perpendicular to the Z direction (in the illustrated example, the abutting portion 122 protrudes from a vicinity of an end portion of the main body portion 121 on the Z2 side in the outer direction), and is capable of abutting against the split core 200 inserted into the guide groove GD from the Z2 side (in the illustrated example, abutting against a core back portion of the split core 200 inserted into the guide groove GD).

As shown in fig. 3B, the four first contact pieces 120 are inserted into the four first through holes 1111 of the body portion 121 so as to be movable in the Z direction. Specifically, as shown in fig. 2, 3B, and 5A, the guide posts 180 extending in the Z direction are inserted into the four first through holes 1111 of the body portion 121, the body portion 121 of the four first contacts 120 is inserted into the four first through holes 1111 of the body portion 121 so as to be slidably fitted over the four guide posts 180, and the contact portions 122 of the four first contacts 120 protrude into the guide grooves GD on the first side surface P1, the third side surface P3, the fifth side surface, and the seventh side surface, respectively.

Further, the first contact member 120 can move from the position shown in fig. 3B toward the Z2 side through the position where the switching member 140 starts to contact the interlocking member 150 (i.e., the preset position in the present invention) and further move toward the Z2 side.

(Structure of second abutment member)

As shown in fig. 3A, 5A, and 5B, the second abutment 130 is rotatable between a first position (not shown) and a second position (refer to the state shown in fig. 3A, 5A, and 5B).

Here, the second contact member 130 includes a contact portion 131 and a support portion 132, the contact portion 131 extends in a direction substantially perpendicular to the Z direction in a state where the second contact member 130 is located at the first position to contact the split core 200 inserted into the guide groove GD from the Z1 side (in the illustrated example, to contact the core back of the split core 200 inserted into the guide groove GD), the support portion 132 is connected to one end portion of the contact portion 131, the support portion 133 extends in the Z direction substantially in a state where the second contact member 130 is located at the first position, and includes a support shaft 133 extending in the direction perpendicular to the Z direction, and the support shaft 133 is inserted into a support shaft hole HL provided in the second side surface P2, the fourth side surface P4, the sixth side surface, and the eighth side surface of the body portion 111 so that the second contact member 130 can rotate between the first position and the second position centering on the support shaft 133.

The support portion 132 includes driven

pieces

1321A, 1321B, the driven

pieces

1321A, 1321B are provided at intervals in the extending direction of the support portion 132, and are provided on the side of the support portion 132 opposite to the contact portion 131, and the driven

pieces

1321A, 1321B can contact with a driving piece DB of the switching member 140 described below.

As shown in fig. 5B, the contact portion 131 of the second contact member 130 includes a relief portion 1311, and the relief portion 1311 is shaped so as to be closer to the center line of the seat portion 110 toward the first position side (the left side of the left second contact member 130 in fig. 5B, and the right side of the right second contact member 130 in fig. 5B).

Further, in a state where the second contact member 130 is located at the first position, the escape portion 1311 is preferably shaped so as to be closer to the Z2 side as it goes to the first position side, and a rounded portion is preferably formed at an edge of the contact portion 131 of the second contact member 130 which is farther from the center line of the seat portion 110 and closer to the Z1 side.

As shown in fig. 1, the second contact members 130 are provided in pairs around the guide groove GD.

(Structure of switching Member)

As shown in fig. 4B, the switching member 140 has a rod shape extending in the Z direction as a whole.

Here, as shown in fig. 4B and fig. 5A and 5B, the switching member 140 includes: a rod portion RP extending in the Z direction; and a driving piece DB protruding in a direction intersecting with the Z direction (in the illustrated example, perpendicular, but not limited thereto). Specifically, the switching member 140 includes a rod portion 141 and a cylindrical portion 142, in which the rod portion 141 includes, in order from the Z1 side to the Z2 side, a disc portion 1411, a first small diameter portion 1412 having a diameter smaller than that of the disc portion 1411, a first large diameter portion 1413 having a diameter larger than that of the first small diameter portion 1412, a second small diameter portion 1414 having a diameter smaller than that of the first large diameter portion 1413, and a second large diameter portion 1415 having a diameter larger than that of the second small diameter portion 1414, and the cylindrical portion 142 includes a cylindrical portion main body 1421 extending in the Z direction and an engaged portion 1422 protruding from the cylindrical portion main body 1421 in a direction perpendicular to the Z direction (in the illustrated example, the cylindrical portion 142 includes two engaged portions 1422 which are 90 degrees to each other when viewed in the Z direction); the outer peripheral edge of disc 1411 forms a driving piece DB, the driving piece DB is disposed between driven pieces 1321A, 1321B of support portion 132 in the Z direction, and second contact member 130 is biased toward the driven piece 1321A by the driving piece DB toward the Z1 side to rotate toward the first position, and biased toward the driven piece 1321B by the driving piece DB toward the Z2 side to rotate toward the second position.

Four switching members 140 are provided, and are inserted into four second through holes 1112 of main body 111 and four second through holes 1122 of lid 112 so as to be movable in the Z direction.

Further, the switching member 140 is provided in a pair around the guide groove GD corresponding to the second contact member 130.

(Structure of linkage Member)

As shown in fig. 3B, 4B, and 5A, the linking member 150 is rod-shaped as a whole extending in the Z direction.

Here, as shown in fig. 3B, 4B, and 5A, the linking member 150 includes: a rod-shaped portion 151 extending in the Z direction, inserted into the center hole 1113 of the body 111 so as to be movable in the Z direction, and provided with a connecting portion 1511 connected to the first contact piece 120 in the vicinity of the end on the Z1 side (in the illustrated example, the four first contact pieces 120 are fixed to the rod-shaped portion 151 in the vicinity of the end on the Z1 side via the connecting portions 1511 at equal intervals around the rod-shaped portion 151), and having a screw hole 1512 in the end on the Z2 side; and a screw portion 152 that screws into a screw hole 1512 of the rod portion 151 (in the illustrated example, the Z1-side end of the screw portion 152 is a screw portion, and the screw portion is screwed into the screw hole 1512).

Further, for example, the first contact member 120 or the interlocking member 150 has an engaging portion that constitutes an engaging structure with the engaged portion 1422, and when the first contact member 120 moves to the preset position in the Z2 side, the engaging portion starts to contact with the engaged portion 1422 and the first contact member 120 moves to the Z2 side together with the switching member 140.

(Structure of first force application Member)

The first force application member 160 applies a force to the link member 150 and/or the first abutment 120 toward the Z1 side.

Here, as shown in fig. 4B, a spring seat BB is provided at a halfway position in the Z direction of the center hole 1113 of the seat portion 110, and the first urging member 160 is a compression coil spring that is fitted to the rod portion 151 and is provided between the connecting portion 1511 of the interlocking member 150 and the spring seat BB.

(Structure of second force application Member)

The second biasing member 170 biases the switching member 140 toward the Z1 side to switch the second contact piece 130 to the first position.

Here, the second biasing member 170 is, for example, a compression coil spring, which is fitted in the second large diameter portion 1415 of the switching member 140 in the first through hole 1112, and is provided between the cylindrical portion 142 and the lid portion 112.

(cylindrical end cap)

As shown in fig. 1, a columnar end cap 190 having a smaller diameter than the seat portion 110 is provided on the Z1-side end surface of the seat portion 110.

As shown in fig. 1, 4B, and 5A, a center hole 1911 and a plurality of screw holes 1912 provided around the center hole 1911 are provided in the columnar end cover 190, and the columnar end cover 190 is fixed to the end surface of the seat 110 on the Z1 side by screws screwed into the screw holes 1912.

As shown in fig. 1, on the outer peripheral surface of the columnar end cap 190, hook portions 1913 (in the illustrated example, the hook portions 1913 are detachably provided on the body portion of the columnar end cap 190) protruding in the radial direction around the center line of the seat portion 110 are provided corresponding to the number of the lock/unlock mechanisms LU, and the hook portions 1913 hook the leading ends of the coil wires wound around the split cores 200 inserted into the guide grooves GD and led out from the split cores 200.

(main effect of the present embodiment)

The clip 100 according to the present embodiment includes a seat 110, and a lock/unlock mechanism LU including a guide groove GD extending in the Z direction and into which the split core 200 is inserted from the Z1 side, a first contact piece 120 movable in the Z direction to contact the split core 200 inserted into the guide groove GD from the Z2 side, a switching member 140, an interlocking member 150, a first biasing member 160, and a second biasing member 170 is provided on the seat 110, the second contact piece 130 is switchable between a first position at which the contact portion 131 protrudes into the moving path of the split core 200 and a second position at which the contact portion 131 is withdrawn from the moving path, the switching member 140 switches the second contact piece 130 to the first position by moving toward the Z1 side, and the second contact piece 130 is switched to the second position by moving toward the Z2 side, the interlocking member 150 is connected to the first contact piece 120 and is movable in the Z direction, the first urging member 160 moves the first contact piece 120 toward the Z1 side, the second urging member 170 switches the second contact piece 130 toward the first position, an engagement structure is provided between the first contact piece 120 or the interlocking member 150 and the switching member 140, and when the first contact piece 120 is further moved from the preset position toward the Z2 side, the engagement structure moves the switching member 140 together with the first contact piece 120 toward the Z2 side. Therefore, by further moving the first contact piece 120 from the predetermined position to the Z2 side against the biasing force of the first biasing member 160 by biasing the linking member 150, and moving the switching member 140 to the Z2 side together to switch the second contact piece 130 to the second position against the biasing force of the second biasing member 170, the split core 200 of the motor can be easily inserted into the guide groove GD, in this state, the first abutting piece 120 is moved toward the Z1 side by the first biasing member 160 to abut against the split core 200 of the motor from the Z2 side by simply releasing the biasing force on the link member 150, and the second abutting piece 130 is moved toward the first position by the second biasing member 170 to abut against the split core 200 of the motor from the Z1 side, so that the split core 200 of the motor can be locked in the Z direction by the first abutting piece 120 and the second abutting piece 130, and the split core 200 of the motor can be fixed to the jig 100; on the other hand, after the winding operation of the split core 200 fixed to the jig 100 is completed, the motor split core 200 can be easily taken out from the guide groove GD by urging the interlocking member 150 to move the first abutting piece 120 further from the predetermined position toward the Z2 side against the urging force of the first urging member 160, and by moving the switching member 140 together toward the Z2 side by the engagement structure to switch the second abutting piece 130 toward the second position against the urging force of the second urging member 170.

The jig 100 of the present embodiment may also constitute a jig assembly together with a base (not shown) on which the jig 100 is mounted (for example, the jig 100 is supported from the Z2 side in fig. 1), and a driving portion (for example, an air cylinder or the like) provided to be detachably connected to the interlocking member 150 of the jig 100 to drive the interlocking member 150 to move in the Z direction.

The present invention is described above by way of example with reference to the accompanying drawings, and it is to be understood that the specific implementations of the present invention are not limited to the above-described embodiments.

For example, in the above embodiment, the second contact member 130 is rotatable about the support shaft 133 between the first position and the second position, but the present invention is not limited to this, and the second contact member 130 may be provided so as to be switched between a position where the contact portion 131 protrudes into the movement path of the divided core and a second position where the contact portion 131 exits the movement path by being moved in the direction perpendicular to the Z direction (for example, by providing an inverted trapezoidal portion at an end portion on the Z1 side of the switching member 40 and providing a tapered surface portion on the second contact member 130 that engages with the inverted trapezoidal portion, the switching member 40 is moved in the Z direction to move the second contact member 130 in the direction perpendicular to the Z direction).

In the above embodiment, the seat 110 is provided with the plurality of locking/unlocking mechanisms LU in the circumferential direction around the center line thereof, but the present invention is not limited to this, and only one locking/unlocking mechanism LU may be provided in the seat 110.

In the above embodiment, the second contact members 130 are provided in pairs around the guide groove GD, but the present invention is not limited to this, and one of the second contact members 130 provided in pairs may be omitted.

In the above embodiment, the columnar end cap 190 may be omitted.

It should be understood that the present invention can freely combine the respective components in the embodiments, or appropriately change or omit the respective components in the embodiments within the scope thereof.

Claims

1. A fixture for fixing a split core of a motor,

comprises a seat part, a locking and unlocking mechanism is arranged on the seat part,

the locking and unlocking mechanism includes:

a guide groove extending in a first direction and into which the split cores are inserted from one side of the first direction;

a first abutting piece which is movable in the first direction to abut against the split core inserted into the guide groove from the other side in the first direction;

a second abutting piece switchable between a first position where an abutting portion of the second abutting piece protrudes into a moving path of the split core when moving along the guide groove to abut against the split core inserted into the guide groove from one side in the first direction and a second position where the abutting portion of the second abutting piece exits from the moving path;

a switching member that switches the second contact member to the first position by moving toward one side in the first direction and switches the second contact member to the second position by moving toward the other side in the first direction;

a linkage member connected to the first abutting piece and movable in the first direction;

a first urging member that moves the first contact member toward one side in the first direction; and

a second urging member that switches the second contact member to the first position,

an engagement structure is provided between the first abutting piece or the linkage member and the switching member, and when the first abutting piece is further moved from a predetermined position toward the other side in the first direction, the engagement structure moves the switching member together with the first abutting piece toward the other side in the first direction.

2. The fixture of claim 1,

the seat portion is in a columnar shape with a center line extending along the first direction,

the seat portion is provided with a plurality of the lock/unlock mechanisms in a circumferential direction around the center line.

3. The fixture of claim 2,

a hooking portion is provided at one side of the seat portion in the first direction,

the hooking part hooks the leading-out ends of the coil wires, which are led out from the split cores and wound on the split cores inserted into the guide grooves.

4. The fixture of claim 3,

a columnar end cover having a smaller diameter than the seat portion is provided on an end surface of the seat portion on one side in the first direction,

the cylindrical end cap has a plurality of locking/unlocking mechanisms, and the cylindrical end cap has a plurality of hooking portions on an outer peripheral surface thereof, the hooking portions protruding in a radial direction around the center line.

5. The fixture of claim 3,

the abutting part of the second abutting piece is provided with an avoiding part,

the avoidance portion is shaped so as to be closer to the center line as it approaches the first position, and/or is shaped so as to approach the other side in the first direction as it approaches the first position when the second abutting member is located at the first position.

6. The fixture of claim 3,

the edge of the abutting part of the second abutting part, which is far away from the center line and close to one side of the first direction, is provided with a fillet part.

7. The fixture of claim 1,

the second contact member and the switching member are provided symmetrically with respect to the guide groove.

8. The jig of any one of claims 1 to 7,

the switching member includes:

a stem portion extending in the first direction; and

a driving piece protruding in a direction crossing the first direction,

the second abutting piece is arranged to be capable of rotating between the first position and the second position and is provided with driven plates which are positioned on two sides of the driving plate in the first direction and are abutted by the driving plate,

the second abutting member is configured to be rotated toward the first position by the driving plate urging one driven plate toward one side in the first direction, and to be rotated toward the second position by the driving plate urging the other driven plate toward the other side in the first direction.

9. The jig of any one of claims 1 to 7,

the linkage part is fixed with the first abutting piece,

the clamping structure comprises:

an engaging portion provided on the first abutting piece or the linkage member; and

an engaged portion provided to the switching member,

when the first contact member moves to a predetermined position toward the other side in the first direction, the engaging portion starts to contact the engaged portion to move the first contact member together with the switching member toward the other side in the first direction,

the first urging member urges the linking member and/or the first abutting piece toward one side in the first direction,

the second urging member urges the switching member toward one side in the first direction to switch the second abutting piece toward the first position.

10. A clamp assembly, comprising:

the clamp of any one of claims 1 to 9; and

and a base which is borne by the clamp and is provided with a driving part, wherein the driving part is detachably connected with the linkage part of the clamp so as to drive the linkage part to move along the first direction.