JP2013188786A - Feeder for square wire material - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a feeder for a square wire material that can be operated in accurate synchronization with a machining device without using a power source.SOLUTION: A feeder 1 for a square wire material 8 feeds the square wire material 8 to a machining device 6. The feeder 1 includes a storage means 2 for storing the square wire material 8; a feeding means 3 disposed to be slidable in a horizontal direction; and a link 7 laid over the feeding means 3 and a machining means 61 that strokes in a vertical direction in the machining device 6. The feeding means 3 is movable into a receiving position 401 to receive the square wire material 8 from the storage means 2, and a feeding position to feed the square wire material 8 received from the storage means 2, to a delivery part 64 in the machining device 6. The feeder 1 is configured to move the feeding means 3 between the receiving position 401 and the feeding position through the link 7 by the ascending or descending operation of the machining means 61.

Description

  The present invention relates to a supply device that supplies a square wire material to a processing apparatus.

A square wire material for forming a coil in a stator of a rotating electrical machine is supplied from a supply device to a processing device, and is bent into a square wire having a predetermined shape. The supply device uses a plurality of actuators and supplies the square wire material between the pair of processing dies in synchronization with the operation of the pair of processing dies that perform processing in the processing device.
For example, Patent Document 1 discloses a forming apparatus that forms a rectangular wire as a coil segment of a rotating electrical machine into a predetermined shape. In this forming apparatus, a wire rod is held by a holding portion, and the wire rod is bent by a pair of first forming dies and a pair of second forming dies to form a segment having a predetermined shape. Note that Patent Document 1 does not specify a supply device that supplies a wire to a forming device.

JP 2004-297863 A

  By the way, in order to shorten the processing (molding) cycle in the processing apparatus, it is necessary to improve the supply speed of the square wire material to the processing apparatus by the supply apparatus. However, when a supply device is configured using a plurality of actuators, complicated electrical control is required to synchronize the operation of the supply device by each actuator with the operation of the processing device. Also, it is difficult to accurately perform this synchronization.

  The present invention has been made in view of such a background, and has been obtained in an attempt to provide a supply device for a rectangular wire material that can be operated in synchronization with a processing apparatus accurately without using a power source. .

The present invention is a supply device for supplying a square wire material to a processing device,
Storage means for storing the square wire material;
A supply that is slidable in a horizontal direction and is movable between a receiving position for receiving the rectangular wire material from the storage means and a supply position for supplying the rectangular wire material received from the storage means to the delivery unit in the processing apparatus. Means,
The supply means, and a link that spans the processing means that strokes up and down in the processing apparatus,
An apparatus for supplying a rectangular wire material, wherein the supply means is configured to move between the receiving position and the supply position via the link by an operation in which the processing means is raised or lowered. (Claim 1).

The above-mentioned rectangular wire material supply device can be synchronized with the processing device very easily by mechanically interlocking its operation with the operation of the processing device.
Specifically, the supply means configured to receive the rectangular wire material from the storage means is connected to the processing means of the processing apparatus using a link. And the operation | movement which a process means raises or descends enables supply of the square wire raw material to the delivery part of the processing apparatus by a supply means.

In supplying the square wire material from the supply device to the delivery unit of the processing device, the supply device at the receiving position receives the square wire material from the storage device. Next, when the processing means moves up or down, the supply means that has received the square wire material moves from the receiving position to the supply position via the link. And the square wire raw material in a supply means is supplied to the delivery part of a processing apparatus.
In addition, after the supply of the square wire material, when the processing means descends or rises, the supply means moves from the supply position to the receiving position via the link. Then, the next square wire material is received from the storage means to the supply means.
Thus, every time the processing means performs an operation, the supply of the square wire material to the delivery section of the processing means by the supply means can be repeated.

Thereby, operation | movement of a processing apparatus and operation | movement of a supply apparatus can be synchronized with a very simple mechanical structure. Further, the supply device can be operated without using a power source. Furthermore, since it is not necessary to use electrical control, the operation of the supply device can be accurately synchronized with the operation of the processing device.
Therefore, according to the above-described rectangular wire material supply device, it can be operated in synchronization with the processing device accurately without using a power source.

The front view which shows the supply apparatus and processing apparatus of a state which have a supply means in a receiving position concerning an Example. The front view which shows the supply apparatus and processing apparatus in the state which has a supply means in a supply position concerning an Example. The top view which shows the supply apparatus and processing apparatus of a state which have a supply means in a receiving position concerning an Example. The side view which shows the processing apparatus concerning an Example. The front view which shows the supply apparatus of the state which has a supply means in a receiving position concerning an Example. The front view which shows the supply apparatus of the state which the supply means concerning the Example moves to a supply position from a receiving position. The front view which shows the supply apparatus of the state which has a supply means in a supply position concerning an Example.

A preferred embodiment of the above-described rectangular wire material supply device will be described.
In the rectangular wire material supply device, the supply means is arranged to be slidable in a horizontal direction with respect to the gantry and to be rotatable with respect to the slider by a rotation shaft portion. A holding arm for receiving and holding the square wire material from the storage means at a front end portion of the front arm portion located on the front side of the rotating shaft portion. And a rear end portion of the rear arm portion located on the rear side of the rotation shaft portion is supported by a support stopper provided on the slider, and maintains a substantially horizontal state. Further, while the supply arm moves from the receiving position to the supply position, the support stopper is brought into contact with a stop portion provided on the gantry after the square wire material moves onto the delivery portion. , The supporting stock When the support of the rear end portion of the rear arm portion is released by-, the front arm portion is inclined downward and forwards the square wire material to a specified position in the delivery portion. (Claim 2).
In this case, when the supply means is operated mechanically in conjunction with the operation of the processing means, the square wire material is changed by changing the supply arm from a substantially horizontal state to a downwardly inclined state. It can be smoothly delivered to the delivery unit of the processing apparatus.

Further, the storage means is a magazine having an arrangement gap in which square wire materials are stacked and arranged in a plurality of stages, and the holding portion of the supply arm is depressed from the upper surface of the front end portion of the front arm portion. A holding recess formed, and when the supply arm is retracted from the supply position to the receiving position, the square wire material may be lowered from the arrangement gap to the holding recess (claim). 3).
In this case, it is easy to receive the square wire material from the magazine as a storage means to the holding recess of the supply arm, and the supply of the square wire material to the delivery portion of the processing apparatus by the supply arm should be performed stably. Can do.

Further, the processing means is configured to bend the square wire material by an upper die that approaches the square wire material from above and a lower die that approaches the square wire material from below. The link is spanned between the slider and an interlocking type that is either the upper die or the lower die, and the supply means is such that the upper die and the lower die are relatively close to each other. When the bending process is performed, the link is pushed through the link by the interlocking type and moved to the receiving position. When the upper mold and the lower mold are relatively separated from each other, the link is moved by the interlocking type. It may be configured to be pulled through and moved to the supply position (claim 4).
In this case, using the interlocking type operation that is either the upper die or the lower die constituting the machining means, the square wire material is delivered to the delivery part of the machining device, and the space between the upper die and the lower die Hexagonal wire material can be supplied.

Hereinafter, an embodiment of the above-described rectangular wire material supply device will be described with reference to the drawings.
As shown in FIGS. 1 and 2, the supply device 1 for the rectangular wire material 8 of this example supplies the rectangular wire material 8 to the processing device 6. The supply device 1 includes a storage unit 2 that stores the square wire material 8, a supply unit 3 that is slidable in the horizontal direction, a supply unit 3, and a processing unit 61 that moves up and down in the processing unit 6. The link 7 is provided. The supply unit 3 receives the rectangular wire material 8 from the storage unit 2 (see FIG. 1) and the supply position 402 (see FIG. 1) supplies the rectangular wire material 8 received from the storage unit 2 to the delivery unit 64 in the processing device 6. 2). The supply device 1 is configured such that the supply means 3 moves between the receiving position 401 and the supply position 402 via the link 7 when the processing means 61 moves up or down.

Below, it demonstrates in detail with reference to FIGS. 1-7 about the supply apparatus 1 of the square wire raw material 8 of this example.
As shown in FIGS. 1 and 2, the processing apparatus 6 of this example is for bending a rectangular wire material 8 having a predetermined length for forming a coil used in a stator of a rotating electrical machine into a predetermined shape. . The processing means 61 of the processing apparatus 6 includes an upper mold 62 that approaches the square wire material 8 from above, and a lower mold 63 that approaches the square wire material 8 from below. The lower wire 63 is configured to bend the square wire material 8. The upper mold 62 and the lower mold 63 can be moved up and down by a power source such as a motor or a hydraulic cylinder.

As shown in FIGS. 3 and 5, the rectangular wire material 8 has a substantially quadrangular cross section and is stored in the storage unit 2 in a state of being cut into a linear shape having a predetermined length. The storage unit 2 is a magazine 2 having an arrangement gap 21 in which square wire materials 8 are arranged in a plurality of stages. The arrangement gap 21 is formed in a slit shape in which the linear rectangular material 8 is arranged. The arrangement gap 21 is formed so as to penetrate from the upper end to the lower end of the magazine 2. The rectangular wire material 8 is input from the upper opening of the arrangement gap 21 and stacked in a plurality of stages in the arrangement gap 21.
When the supply arm 5 is retracted from the supply position 402 to the receiving position 401, the rectangular wire material 8 is configured to descend from the arrangement gap 21 of the magazine 2 to the holding recess 521 of the supply arm 5.

The supply means 3 of the present example includes a slider 4 that is slidable in the horizontal direction with respect to the gantry 11, and a supply arm 5 that is rotatable with respect to the slider 4 by a rotation shaft portion 51. have.
The slider 4 includes a rail 41 fixed to the gantry 11, a slide unit 42 that can slide relative to the rail 41, and a slide base 43 fixed to the upper surface of the slider 4. The supply arm 5 of this example is provided as a pair with respect to the left and right side surfaces of the slide base 43.

  As shown in FIGS. 1 to 3, the link 7 of this example is paired with a connection portion 72 provided on the left and right of the slide base 43 and a connection portion 72 provided on the left and right of the lower die 63 as an interlocking type. It is laid over. Both ends of the link 7 are pivotally supported by the connection portion 72 of the slide base 43 and the connection portion 72 of the lower mold 63, respectively. The link 7 can be expanded and contracted by a turnbuckle structure in which a right screw portion and a left screw portion are provided at both ends of the link main body 71, respectively. By adjusting the length of the link 7, the supply position 402 for delivering the square wire material 8 to the delivery unit 64 of the processing means 61 can be appropriately adjusted.

The lower mold 63 is configured to slide in the vertical direction, while the slide base 43 is configured to slide in the horizontal direction. Since the length of the link 7 connected to the lower mold 63 and the slide base 43 is always the same, the slide base 43 slides to the receiving position 401 away from the lower mold 63 when the lower mold 63 rises the most, and the lower mold 63 When 63 is lowered most, the slide base 43 slides to the supply position 402 that approaches the lower mold 63.
When the upper die 62 and the lower die 63 are relatively close to each other and the bending process is performed, the slider 4 and the supply arm 5 are pushed by the lower die 63 as an interlocking type via the link 7 to the receiving position 401. When the upper die 62 and the lower die 63 move relatively apart from each other, the lower die 63 is pulled through the link 7 to move to the supply position 402.

As shown in FIG. 5, each supply arm 5 has a front arm portion 52 on the front side of the rotation shaft portion 51 supported by the slide base 43, and a rear arm portion on the rear side of the rotation shaft portion 51. 53. Each supply arm 5 has a holding portion 521 for receiving and holding the square wire material 8 from the magazine 2 at the front end portion of the front arm portion 52. The holding portion 521 is a holding recess 521 formed by being recessed from the upper surface of the front end portion of the front arm portion 52.
A support roller 12 as a support portion that rotates and contacts the lower surfaces of the pair of supply arms 5 that are pivotally supported by the slide base 43 by the rotation shaft portion 51 is disposed on the mount 11 on which the rail 41 and the like of the supply means 3 are disposed. It is installed. The support roller 12 is configured such that the outer peripheral surface thereof is in rotational contact with the supply arm 5 and the supply arm 5 is advanced and retracted by rolling contact.

  As shown in FIG. 5, the slide base 43 is rotatably provided with a support stopper 431 for supporting the rear end portion of the rear arm portion 53 in the supply arm 5. The support stopper 431 can be rotated to the slide base 43 by the rotation center portion 432, and is biased in a direction to support the rear end portion of the rear arm portion 53 by receiving a biasing force by the biasing spring 433. . The gantry 11 is provided with a stop portion 13 that comes into contact with the support stopper 431 when the supply arm 5 advances from the receiving position 401 to the supply position 402. As shown in FIG. 7, the support stopper 431 rotates against the urging force of the urging spring 433 when the stop portion 13 comes into contact with the portion supporting the rear end portion of the rear arm portion 53, and The support of the rear end portion of the arm portion 53 is released.

As shown in FIG. 5, the slide base 43 is provided with a restricting portion 434 that restricts the downward inclination amount toward the front side of the supply arm 5 above and below the position corresponding to the rear end portion of the rear arm portion 53. ing.
In addition, when the slide base 43 is moved to the receiving position 401 and when it is moved to the supply position 402, the gantry 11 abuts against the abutment block 435 provided at the lower part of the slide base 43 and receives an impact. A shock absorber 14 for absorbing is provided.

The supply arm 5 maintains a horizontal state with the support roller 12 of the gantry 11 coming into contact with the lower surface of the front arm portion 52 and the rear end portion of the rear arm portion 53 supported by the support stopper 431. The horizontal state of the supply arm 5 is maintained when the rear end portion of the rear arm portion 53 is supported by the support stopper 431.
As shown in FIG. 7, while the supply arm 5 moves from the receiving position 401 to the supply position 402, the support stopper 431 moves to the stop portion 13 of the gantry 11 after the square wire material 8 moves on the delivery portion 64. When the support of the rear end portion of the rear arm portion 53 by the support stopper 431 is released, the front arm portion 52 is inclined downward toward the front, and the square wire 8 is moved to the specified position in the delivery portion 64. It is configured to be handed over.

  The delivery section 64 is provided as a pair on the left and right sides of the upper mold 62 and the lower mold 63 so as to receive both end portions of the rectangular wire material 8. When the upper mold 62 and the lower mold 63 are separated from each other, the delivery section 64 is disposed at a height position of a space formed between them. The delivery unit 64 starts to receive the square wire material 8 held in the holding recess 521 of the supply arm 5 before the supply arm 5 moves from the receiving position 401 to the supply position 402. The supply arm 5 moves the rectangular wire material 8 held in the holding recess 521 over the delivery portion 64 and then tilts downward toward the front, and then the square arm material 8 in the holding recess 521 is transferred to the delivery portion 64. Deliver to the specified position.

Next, operation | movement of the supply apparatus 1 of the square wire raw material 8 and its effect are demonstrated.
When supplying the rectangular wire material 8 from the supply device 1 to the delivery portion 64 of the processing device 6, as shown in FIGS. 1 and 5, the arrangement gap of the magazine 2 is placed in the holding recess 521 of the supply arm 5 at the receiving position 401. One square line material 8 is received from 21. At this time, the upper mold 62 and the lower mold 63 are close to each other, and are in a position to bend the previously supplied square wire material 8.
Next, when the upper die 62 rises and the lower die 63 descends and they are separated from each other, the slider 4 and the supply arm 5 that have received the square wire material 8 are pulled to the lower die 63 via the link 7. Then, the movement from the receiving position 401 to the supplying position 402 is started.

When the slider 4 is pulled to the supply position 402 by the lower mold 63 via the link 7, the support roller 12 guides the front arm portion 52 of the supply arm 5, and the support stopper 431 is the rear arm portion 53 of the supply arm 5. By supporting the rear end portion, the supply arm 5 holding the rectangular wire material 8 in the holding recess 521 moves forward while maintaining the horizontal state.
Then, as shown in FIG. 6, after the rotation shaft portion 51 of the supply arm 5 passes the position of the support roller 12, the square wire material 8 moves on the delivery portion 64.

  Next, as shown in FIG. 7, when the support stopper 431 comes into contact with the stop portion 13 of the gantry 11, the support of the rear end portion of the rear arm portion 53 by the support stopper 431 is released. At this time, the balance for maintaining the horizontal state of the supply arm 5 is lost, the supply arm 5 rotates around the rotation shaft portion 51, and the front arm portion 52 is inclined downward toward the front. At this time, the rear end portion of the rear arm portion 53 comes into contact with the upper restriction portion 434, and the inclination angle of the supply arm 5 is restricted to a predetermined angle.

In this way, in the state where the upper mold 62 is raised and the lower mold 63 is lowered, the rectangular wire material 8 is delivered to a specified position in the delivery section 64. Further, the square wire material 8 in the holding recess 521 of the front arm portion 52 is placed on the delivery portion 64, and the front end portion of the front arm portion 52 is placed on the delivery portion 64 when the front arm portion 52 is retracted. It is possible to prevent interference with the square wire material 8.
Next, when the upper die 62 is lowered and the lower die 63 is raised so that they approach each other, the slider 4 and the supply arm 5 are pushed by the lower die 63 via the link 7 and received from the supply position 402. The movement to the position 401 is started.

When the rotation shaft portion 51 of the supply arm 5 passes rearwardly from the position where the support roller 12 is disposed, and the position where the support roller 12 is in rotational contact is moved from the rear arm portion 53 to the front arm portion 52, the supply arm 5 returns to the horizontal state again. At this time, the rear end portion of the rear arm portion 53 in the supply arm 5 is supported again by the support stopper 431 urged by the urging spring 433.
Thus, when bending the rectangular material 8 placed on the delivery section 64 by the upper mold 62 and the lower mold 63, the slider 4 and the supply arm 5 move to the receiving position 401, and the magazine 2 is disposed in the gap. One square wire 8 falls from 21 to the holding recess 521 of the supply arm 5. Thereafter, each time the upper mold 62 and the lower mold 63 repeat the bending process, the supply of the square wire material 8 to the delivery section 64 by the supply arm 5 can be repeated.

With the supply device 1 of this example, the operation of the processing device 6 and the operation of the supply device 1 can be synchronized with a very simple mechanical configuration. Moreover, the supply apparatus 1 can be operated without using a power source. Furthermore, since it is not necessary to use electrical control, the operation of the supply device 1 can be accurately synchronized with the operation of the processing device 6.
Therefore, according to the supply device 1 of the square wire material 8 of this example, it can be operated in synchronization with the processing device 6 accurately without using a power source.

DESCRIPTION OF SYMBOLS 1 Supply apparatus 2 Storage means 3 Supply means 4 Slider 401 Receiving position 402 Supply position 5 Supply arm 6 Processing apparatus 61 Processing means 62 Upper mold 63 Lower mold 64 Delivery part 7 Link 8 Square wire material

Claims (4)

A supply device for supplying a square wire material to a processing device,
Storage means for storing the square wire material;
A supply that is slidable in a horizontal direction and is movable between a receiving position for receiving the rectangular wire material from the storage means and a supply position for supplying the rectangular wire material received from the storage means to the delivery unit in the processing apparatus. Means,
A link that spans the supply means and the processing means that strokes up and down in the processing device;
An apparatus for supplying a rectangular wire material, wherein the supply means is configured to move between the receiving position and the supply position via the link when the processing means moves up or down. 2. The rectangular wire material supply device according to claim 1, wherein the supply means is configured to be slidable in a horizontal direction with respect to the gantry and to be rotatable with respect to the slider by a rotation shaft portion. A supply arm arranged,
The supply arm has a holding portion for receiving and holding the rectangular wire material from the storage means at the front end portion of the front arm portion located on the front side of the rotating shaft portion, and the rotating arm. The rear end portion of the rear arm portion located on the rear side of the moving shaft portion is supported by a support stopper provided on the slider, and maintains a substantially horizontal state.
Further, while the supply arm moves from the receiving position to the supply position, the support stopper is brought into contact with a stop portion provided on the gantry after the square wire material moves onto the delivery portion. When the support of the rear end portion of the rear arm portion is released by the support stopper, the front arm portion is inclined downward toward the front, so that the square wire material is delivered to a specified position in the delivery portion. A device for supplying a rectangular wire material, characterized in that it is configured. The square wire material supply device according to claim 2, wherein the storage means is a magazine having an arrangement gap in which the square wire materials are stacked and arranged in a plurality of stages.
The holding portion of the supply arm is a holding recess formed by being recessed from the upper surface of the front end portion of the front arm portion,
An apparatus for supplying a rectangular wire material, wherein the rectangular material is lowered from the arrangement gap to the holding recess when the supply arm is retracted from the supply position to the receiving position. The supply device of the square wire material according to any one of claims 1 to 3, wherein the processing means approaches the upper die that approaches the square wire material from above and the lower die that approaches the square wire material. Depending on the lower mold, it is configured to bend the square wire material,
The link is spanned between the slider and the interlocking type that is either the upper die or the lower die,
When the upper die and the lower die are relatively close to each other and perform bending processing, the supply means is pushed through the link by the interlocking die and moves to the receiving position. When the lower mold is relatively separated from the lower mold, it is configured to be pulled through the link by the interlocking mold and move to the supply position.

Images