JPH0596425A - Parts supplier - Google Patents

Abstract

PURPOSE:To replace a magazine without interrupting operation of a parts supplier. CONSTITUTION:Upper/lower pallets 3, moved along a track in a vertical direction are provided, and a magazine M, which stores a predetermined number of trays piled together with a fixed space, are respectively removably mounted to these pallets. Each pallet part is connected to an elevator part 2, and further these parts are lifted by fixedly holding a vertical space between the pallet parts to take out a tray of loading parts, commanded by a part mounting device, to a predetermined position. Further, the elevator part 2 is moved to a rise up or fall down end in accordance with a parts supply condition of each magazine to hold the upper or lower pallet part separated from the elevator part 2, and the magazine loaded on the separated pallet part can be replaced during-operation.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a component supplying device for supplying electronic components arranged on a tray to a component mounting device or the like.

[0002]

2. Description of the Related Art Conventionally, a surface mounting component such as a flat package type IC is mounted on a rectangular plate tray by being dropped into each of a plurality of recesses formed on the tray and forming a matrix at regular intervals. In the case where components are supplied to a component mounting device or the like in this state, a device as disclosed in Japanese Patent Laid-Open No. 64-30298 has been proposed. That is, trays of different types of parts are stacked in the vertical direction at a predetermined interval and arranged so that they can be pulled out to the elevator part, and trays of a specific type can be selected and pulled out to support supply of various types of parts. Trying to.

[0003]

However, in such a structure, when the supply of one type of parts is completed, the supply operation must be temporarily stopped to replace the tray, and the parts are supplied by the winding tape method. Since the number of parts placed on one tray is smaller than that in the case where it is carried out, the supply operation is frequently stopped, which is an obstacle to improving the operation rate of the apparatus.

[0004]

Therefore, according to the present invention,
A pair of upper and lower pallets that move along a vertical path is provided, and magazines in which a predetermined number of trays are stacked and stored at regular intervals are detachably mounted on the pallets. Then, each pallet is connected to an elevator, and the pallets are moved up and down while keeping a constant vertical interval between them, and the tray on which the component instructed by the component mounting device is placed is pulled out to a predetermined position. Furthermore, depending on the status of parts supply in each magazine, the elevator is moved to the ascending end or the descending end, the upper or lower pallet is separated from the elevator and held, and the magazine mounted on the separated pallet is operated. Replaceable inside.

[0005]

As described above, one of the upper and lower magazines can be replaced without interrupting the operation of the component supply device, and the tray group accommodated in the newly mounted magazine can continue the component supply.

[0006]

【Example】

An embodiment of the component supply device of the present invention will be described.
It will be described with reference to the drawings.

FIG. 1 is a front view showing an embodiment of the component supply apparatus of the present invention, and FIG. 2 is a left side view thereof. The component supply apparatus 1 includes an elevator section 2, an upper pallet section 3, and a lower pallet section 4. , A pair of left and right second detachable mechanisms 5 as well as a pair of left and right second detachable mechanisms 5.
The attachment / detachment mechanism 6 and the control unit 7 are included. As shown in FIG. 7, a tray T used for the component supply apparatus of this embodiment, on which the components P are mounted in a line, is stacked and stored in a magazine M at a predetermined interval and a front opening portion. It is supplied in a state where it can be withdrawn more than 100%.

The elevator part 2 has a pair of guide shafts 21 fixed vertically and horizontally parallel to the bottom plate of the frame 11 of the component supply device 1 as an ascending / descending trajectory, and rotatably vertically on the same bottom plate behind it. It is vertically moved by a pair of left and right ball screws 22 supported in parallel and a pair of ball nuts 23 fitted therein. The lower end of the guide shaft 21 is shown in FIG.
When the right side of is the front front side, it is fixed to the front side of the left and right end portions of the bottom plate, and the upper end is fixed to the pair of plates 12 mounted inside the left and right side surfaces of the frame 11 horizontally and in parallel. The ball screw 22 has its lower end rotatably supported on a top plate of a pair of stands 13 provided behind the guide shaft 21 on the bottom plate, and has a toothed bottom end protruding from the lower surface of the top plate. Each pulley 221 is fixed. The upper end of the ball screw 22 is rotatably supported behind the portion of the plate 12 to which the guide shaft 21 is fixed, and the left ball screw has a toothed pulley 221 at the uppermost end protruding from the plate 12. To fix. The rotation of the motor 220 is transmitted to the toothed pulley 221 at the upper end to rotate the left ball screw, and the rotation of the toothed pulley at the lower end is transmitted to the toothed pulley 221 at the lower end of the right ball screw to synchronize the pair of ball screws 22. Rotate. Also,
A through-hole is formed in a substantially central portion of the plate 12 so that a lever 511 of a first attaching / detaching mechanism, which will be described later, penetrates and swings. The lengths of the guide shaft 21 and the ball screw 22 correspond to about three times the height of the magazine M, and upper and lower parts of the elevator part 2 can be connected to upper and lower pallet parts 3 and 4, respectively, which will be described later. Is becoming

The elevator section 2 includes a pair of ball nuts 23, connecting plates 24 and 25, two pairs of linear guide bearings 26,
It is composed of two pairs of shafts 27 and a pair of stoppers 28.
The pair of ball nuts 23 are fitted in the pair of ball screws 22 with the flange side upward, and the pair of upper sides of the linear guide bearings 26 fitted in the pair of guide shafts 21 with the flange side upward and the connecting plate 24. Are connected in parallel via. Connection plate 2
In each ball nut and linear guide bearing mounting part of 4,
A through hole through which the ball screw and the guide shaft pass is opened.
Further, a lever 351 of the upper pallet portion 3 described later is engaged on the center of the connecting plate 24 in the front-rear direction and on the upper surfaces of the left and right end portions in FIG. 1, as shown in FIG. An inverted L-shaped hook 241 that fits is attached. This hook 241 is used for the tension coil spring 35 of the upper pallet portion.
A notch for passing 6 is provided at the center. And
The upper ends of a pair of front and rear shafts 27 are attached near the center of the left and right ends of the lower surface of the connecting plate 24. Shaft 27
A pair of left and right connecting plates 25 are provided at the lower end of the magazine M.
It is attached so as to be positioned horizontally by being separated from the connecting plate 24 by the height dimension of. The connecting plate 25 has the same depth dimension as the connecting plate 24, and has a through hole through which the guide shaft 21 passes and a through hole through which the ball screw 22 passes, at the front end portion thereof. At the former position of the through hole, a linear guide bearing 26 having a downward facing flange is mounted below the linear guide bearing having an upward facing flange. An L-shaped hook 251 is attached to the center of the connecting plate 25 in the front-rear direction and to the lower surface of the end portion in the inward direction in FIG. 1, as shown in FIG. 5 showing the configuration of the second attaching / detaching mechanism. The periphery of the upper surface of the connecting plate 24 through which the guide shaft 21 and the ball screw 22 pass and the connecting plate 2
A resin damper 29 is attached around the lower surface of 5 to reduce the impact when the elevator part 2 comes into contact with the upper pallet part 3 and the lower pallet part 4 described later.

The pair of stopper portions 28 are located between the pair of shafts 27 of the connecting plate 25, and as shown in FIG. 5, a support block 281, a slide shaft 282, a compression coil spring 283, a stopper 284, and a connecting plate 285. I am configuring. The support block 281 is provided at a notch portion provided on the opposite side of the hook 251 attachment portion of the connecting plate 25,
It can be attached in such a way that a part of it is pushed out. A total of four vertical through-holes are provided in the protruding portion in parallel in the front-rear direction and the left-right direction, and the slide shaft 282 is vertically slidably inserted therein. Further, each through hole is counterbored to a predetermined depth from the lower surface of the support block. Slide shaft 28
2, a pair of front and rear upper ends are connected by a connecting plate 285,
The lower ends of the through holes are connected to each other by stoppers 284 through compression coil springs 283 fitted in the counterbore portions of the through holes, and serve to restrain the swing of a lever 451 of the lower pallet portion 4 described later at a predetermined position.

The upper pallet section 3 is usually the elevator section 2
Of the pallet 31, a pair of linear guide bearings 32, a pair of spacers 33 and 34, and a pair of lever portions 35.

The pallet 31 is composed of a plate 311, a pair of slide rails 312, a magazine base 313, and a pair of stoppers 314. The plate 311 moves up and down because it fits into the pair of guide shafts 21 and the pair of ball screws 22 described above. It becomes possible, and in this state, it is located on the damper 29 attached to the upper surface of the connecting plate 24 of the elevator section. The plate 311 has the same external dimensions as the connecting plate 24,
At the same position, there is a through hole through which the pair of guide shafts 21 and the pair of ball screws 22 pass, respectively. In addition, the lever portions 35 are oscillated at the center of the left and right end portions in the front-rear direction in FIG. A notch is provided. The pair of slide rails 312 are attached to the upper surface of the plate 311 in parallel with each other to support the magazine base 313 and to support the magazine base 313.
Can be pulled out to the outside of the frame 11. The magazine base 313 has a width and depth capable of mounting one magazine M shown in FIG. 7, a stopper 314 provided on the plate 311 positions the magazine base 313 at a predetermined position of the plate 311, and is referred to in FIG. The right end surface of the magazine base 313 is contacted with and regulated so as not to rattle in the left-right direction. When the magazine M is taken in and out, that is, when the magazine base 313 is pulled out, it is rotated by a rotation mechanism (not shown). The movable space on the right end surface of the magazine table 313 can be retracted.

FIG. 4 is a detailed view showing the relationship between the upper pallet portion 3 and one side of the first attachment / detachment mechanism 5, which is a linear guide bearing 32.
Is the plate 3 through which the guide shaft 21 passes, with the flange side up.
It is attached to the upper surface of 11 via a spacer 33 and moved linearly along the guide shaft 21. The spacer 34 is attached to the upper surface of the plate 311 through which the ball screw 22 passes,
Similarly, the ball screw 22 is passed through, and the upper end position thereof coincides with the upper end position of the linear guide bearing 32. Further, on the opposite side surfaces of the spacers 33 and 34,
A through hole for rotatably supporting the shaft 352 of the lever portion 35 is provided.

The structure of the right lever portion 35 will be described with reference to FIG. 3 showing the structure of the first attaching / detaching mechanism 5 and FIG. The lever portion 35 includes a lever 351, a shaft 352, and a bar 3.
53, 354, bearing 355, tension coil spring 35
As shown in FIG. 3, the lever 351 has an E-shaped cross section and has hook portions that are oriented in the same direction at the upper end and the lower end. 352, and both ends of the shaft 352 into the through holes provided on the opposite side surfaces of the spacers 33 and 34, respectively.
Make it rotatably supported. Further, as shown in FIG. 4, the bars 353 and 353 are respectively formed in the notches provided in the upper and lower ends of the widthwise center.
354 is passed and fixed, and the bar 353 is fitted with the bearing 355. Then, one end of the tension coil spring 356 is hooked on the bar 354, and the other end is, as shown in FIG.
Hook the hook bolt attached to the notch of the plate 311. Thus, the lower end hook portion of the lever 351 is
With the shaft 352 as a fulcrum, it is always pulled toward the plate 311 side and engaged with the hook 241 and stopped. The left lever portion 35 is arranged symmetrically with the right side, and the configuration is exactly the same.

The lower pallet section 4 is usually the elevator section 2
Of the pallet 41, a pair of linear guide bearings 42, a pair of spacers 43 and 44, and a pair of lever portions 45.

The pallet 41 has the same structure as the pallet 31 of the upper pallet portion, and includes a plate 411, a pair of slide rails 312, a magazine base 313, and a pair of stoppers 314.
Since the plate 411 fits between the pair of guide shafts 21 and the ball screw, the plate 411 can move up and down. In this state, the plate 411 is positioned below the damper 29 attached to the lower surface of the connecting plate 25 of the elevator section. There is. The plate 411 is
The connecting plate 24 has the same outer dimensions and through holes through which the pair of guide shafts 21 and the pair of ball screws 22 pass, at the same position. In addition, the left and right ends in FIG. A cutout portion for swinging the lever portion 45 is provided.

FIG. 6 is a detailed view showing the relationship between the lower pallet portion 4 and one side of the second attachment / detachment mechanism 6, which is a linear guide bearing 42.
Is the plate 4 through which the guide shaft 21 passes, with the flange side facing up.
It is attached to the upper surface of 11 via a spacer 43 and moved linearly along the guide shaft 21. The spacer 44 is attached to the upper surface of the plate 411 through which the ball screw 22 passes,
Similarly, the ball screw 22 is passed through, and the upper end position thereof coincides with the upper end position of the linear guide bearing 42. Further, through holes for rotatably supporting the shaft 452 of the lever portion 45 are provided on opposite side surfaces of the spacers 43 and 44.

Regarding the structure of the lever portion 45 on the right side,
The attachment / detachment mechanism 6 will be described with reference to FIG. 5 and FIG. The lever portion 45 includes a lever 451, a shaft 452, and a bar 4
As shown in FIG. 5, the lever 451 comprises a bearing 53 and a bearing 454. The lever 451 has an E-shaped cross section and has hook portions oriented in the same direction at the upper end and the lower end. The shaft 452 is fitted in the hole, and both ends of the shaft 452 are rotatably supported by the through holes provided on the opposite side surfaces of the spacers 43 and 44, respectively. Further, as shown in FIG. 6, the bar 4 is provided in the notch formed in the lower end in the center of the width direction.
53 is passed and fixed, and the bearing 454 is fitted.
Then, a stopper 284 of the elevator portion is provided on the opposite side of the upper end hook portion of the lever-451, that is, on the front upper end portion in FIG.
A meat stealing portion for vertically descending and engaging is provided, and the upper end hook portion is engaged with the hook 251 with a certain hanging allowance.
The lever portion 45 on the left side is arranged symmetrically with the right side, and the configuration is exactly the same.

The pair of first attaching / detaching mechanisms 5 are attached to the above-mentioned pair of left and right plates 12, respectively, and are composed of an attaching / detaching lever portion 51, an air cylinder 52, and a hook plate 53.

The attaching / detaching lever portion 51 includes an attaching / detaching lever 511,
It is composed of a pair of support plates 512, a shaft 513, and a connection block 514, and functions to attach and detach the above-mentioned upper pallet portion 3 to the plate 12. The attachment / detachment lever 511 has an inverted L-shape as shown in FIG. 3, and a shaft 513 is fitted to a right-angled bent portion, and both ends of the shaft 513 are rotatably supported by a pair of support plates 512. The lower end has a notch at a position that engages with the bearing 355 of the lever portion when the upper pallet portion 3 is at the rising end, and the other end is sandwiched by the lower end of the connecting block 514, and It is rotatably attached.

The air cylinder 52 is suspended from a mounting plate 521 mounted inside the frame 11, and the connecting block 514 is fixed to the tip of a rod 522 of the air cylinder 52. Then, as shown in FIG. 3, a hook plate 53 having an L-shaped cross section and having the same width as the lever 351 is attached to the inner lower surface of the plate 12. Further, normally, the rod 522 is in the push-out position, and the cutout portion of the attachment / detachment lever 511 is in parallel with the frame 11. When the upper pallet portion 3 rises, the bearing 355 of the lever 351 is located in the cutout portion. Fit in When the rod 522 is in the retracted position, the attachment / detachment lever 511 is swung about the shaft 513 as a fulcrum, and the hook plate 53 is engaged with the upper end hook portion of the lever 351.

The pair of second attachment / detachment mechanisms 6 are attached to the bottom plate of the frame 11, and are composed of a detachment pusher 61, an air cylinder 62, a linear guide bearing 63, a support plate 64, and a stopper release plate 65.

As shown in FIG. 6, the attachment / detachment pusher 61 has a convex shape, and has a notch in the central projection thereof into which the bearing 454 of the lower pallet portion fits, as shown in FIG. It functions to attach / detach to / from the connecting plate 25. The detachable pusher 61 is connected to one end of the shaft 611 as shown in FIG.
The other end of this shaft is connected to the rod 621 of the air cylinder 62.
Connect to the tip of. The linear guide bearing 63 has a shaft 63.
Is horizontally moved linearly and supported by the support plate 64. The support plate 64 has a hook portion 641 at the upper end, and the lever 4
Frame 1 so that the lower end hook part of 51 is engaged with this.
Attach vertically to the bottom plate of 1. The stopper release plate 65 is
A pair of columns 651 attached to the bottom side plates of the frame 11
When the lower pallet unit 4 is horizontally supported by the elevator 2 and moves to the lower end together with the elevator unit 2, the stopper 284 described above is received by the upper surface of the stopper 284 during the movement and engaged with the meat steal portion of the lever 451. Lever-451
It moves upward relative to. Also, the rod 621
Normally, the bearing 355 of the lever 351 fits in the cutout portion of the attachment / detachment pusher 61 when the lower pallet portion 4 is lowered in the pushing position. When the rod 621 is in the retracted position, the attachment / detachment pusher 61 moves to the left side in FIG. 5, and the lower hook portion of the lever 451 engages with the hook portion 641 of the support plate 64.

Reference numeral 7 controls the motor 220 to elevate and lower the elevator unit 2 and move the elevator 2 to the ascending end or the descending end according to the component supply status of each magazine of the upper and lower pallet units, and the first attachment / detachment. It is a control unit that operates the mechanism 5 or the second attachment / detachment mechanism 6.

The operation of the component supply device of the present invention having such a configuration will be described.

First, the tray on which each component is mounted, which is supplied to another device by this component supply device, is loaded into two magazines M.
Store the same number of sets in each. Before starting operation, the upper pallet part 3 is on the upper part of the elevator part 2 and the lower pallet part 4 is on the lower part.
Are connected to each other, and each magazine M is placed on the magazine placing table 313 of each pallet. Then, the operation is started, and for example, the tray on which the components required by the component mounting device and the like are mounted is pulled out from the magazine M mounted on the upper pallet unit 3 at a predetermined position, and the components are supplied by a pickup mechanism (not shown). When the end of component supply from the magazine M of the upper pallet section is detected by a detection device (not shown), the control section 7 moves the elevator section 2 to the rising end. Along with this, the upper pallet portion also moves to the rising end, and the bearing 355 of the lever 351 fits into the notch of the attachment / detachment lever 511 as shown in FIG. At this time, the control unit 7
Drives a pair of left and right air cylinders 52 to drive the rod 52
Pull in 2. Then, the attachment / detachment lever 511 is attached to the shaft 513.
Since the lever 351 swings in the left direction in FIG. 3 with the shaft 352 as a fulcrum, the upper end hook portion of the lever 351 is placed on the hook plate 53, and the lower end hook portion is connected to the elevator portion 2. Remove from the hook 241 on the plate 24. Thus, the lever 351 of the upper pallet portion is disengaged from the elevator portion 2, engages with the pair of left and right plates 12, and the upper pallet portion 3 is held by the plate 12. After that, the control unit 7 pulls out the tray from the magazine M mounted on the lower pallet unit 4 according to the request of the component mounting apparatus, and supplies the component by a pickup mechanism (not shown). In the meantime, the magazine placing table 313 of the upper pallet portion is pulled out, the separately prepared magazine for accommodating a set of trays on which each component is mounted is replaced with an empty magazine, and the magazine is returned to the original position.

When the end of component supply from the magazine M of the lower pallet unit 4 is detected, the control unit 7 first moves the elevator unit 2 to the rising end, and the plate 31 of the upper pallet unit 31 is moved.
The damper 29 is brought into contact with the lower surface of 1. Then, the pair of air cylinders 52 are driven to push out the rod 522, the upper end hook portion of the lever 351 is disengaged from the hook plate 53, and the lower end hook portion is engaged with the hook 241 on the connecting plate 24 of the elevator portion 2. In this way, the lever 351 of the upper pallet portion is engaged with the elevator portion 2, disengaged from the pair of left and right plates 12, and the upper pallet portion 3 is connected to the elevator portion 2, and then the elevator portion 2 is moved to the lower end.
Along with this, the lower pallet portion 4 also moves to the lower end, and as shown in FIG.
51, stop in that position, and lever 451
Bearing 454 is fitted into the cutout portion of the removable pusher 61. At this time, the control unit 7 drives the pair of left and right air cylinders 62 to pull in the rod 621. Then, the attachment / detachment pusher 61 swings the lever 451 about the shaft 452 as a fulcrum, engages the lower end hook portion of the lever 451 with the hook portion of the support plate 64, and disengages the upper end hook portion from the hook 251 of the elevator portion. Thus, the lever 4 of the lower pallet section
51 is disengaged from the elevator section 2 and the lower pallet section is held at its descending end. After that, the control unit 7 raises the elevator unit 2 and causes the magazine M of the upper pallet unit 3 to supply the components. In the meantime, the magazine mounting table 313 of the lower pallet portion is pulled out, the magazine for storing a set of trays on which each separately prepared component is mounted and the empty magazine are exchanged and returned to the original position.

When it is detected that the parts M have been supplied from the magazine M of the upper pallet unit 3, the control unit 7 first moves the elevator unit 2 to the lower end to move the linear guide bearing 42 and the spacer 44 of the lower pallet unit. The damper 29 is brought into contact with the upper surface. Then, the pair of air cylinders 62 are driven to push out the rod 621, the lower end hook portion of the lever 451 is disengaged from the hook portion of the support plate 64, and the upper end hook portion is engaged with the hook 251 of the elevator portion 2. In this way, the lever 451 of the lower pallet portion is engaged with the elevator portion 2 and the lower pallet portion 4 is connected to the elevator portion 2, and then the elevator portion 2 is moved to the rising end. During the ascending, the stopper 284 stopped on the stopper release plate 651 separates from the stopper release plate and returns to the meat steal portion at the upper end of the lever 451 of the lower pallet portion 4, and the engagement between the hook 251 and the lever 451 cannot be disengaged. To restrain. Then, the control unit 7
Similar to the above-described operation, the upper pallet section is separated from the elevator section that has moved to the ascending end, the parts are supplied by the magazine of the lower pallet section, and then the above operation is repeated.

[0030]

As described above, one of the upper and lower magazines can be exchanged without interrupting the operation of the component supply device, and the tray group accommodated in the newly mounted magazine continues the component supply. Utilization rate is improved.

[Brief description of drawings]

FIG. 1 is a front view showing an embodiment of a component supply device of the present invention.

FIG. 2 is a left side view showing an embodiment of the component supply device of the present invention.

FIG. 3 is a partial front view showing the relationship between the upper pallet portion and the first attachment / detachment mechanism in the present embodiment, which is a partial cross-sectional view.

FIG. 4 is a partial right side view showing a relationship between an upper pallet portion and a first attaching / detaching mechanism in the present embodiment, which is a partial cross-sectional view of a main portion.

FIG. 5 is a partial front view showing a relationship between a lower pallet portion and a second attaching / detaching mechanism in the present embodiment, which is a cross-sectional view of a main portion.

FIG. 6 is a partial right side view showing a relationship between a lower pallet portion and a second attachment / detachment mechanism in the present embodiment, which is a partial cross-sectional view of a main portion.

FIG. 7 is a perspective view of a magazine used in this embodiment.

[Explanation of symbols]

 M Magazine T Tray P Parts 1 Parts feeder 2 Elevator part 3 Upper pallet part 4 Lower pallet part 5 First attaching / detaching mechanism 6 Second attaching / detaching mechanism 7 Control part

Claims (2)

[Claims] 1. A tray in which a plurality of trays, on which components are aligned and placed, are stacked beside a component mounting device and are supported at a fixed interval so as to be able to move up and down, and on which a component instructed by the component mounting device is placed. Is a component supply device that raises and lowers to a predetermined height and draws out the components on the tray to a predetermined position in the component mounting device by a component transfer mechanism provided on itself or another device. A pair of upper and lower pallets that move along the orbit of each direction are detachably mounted with magazines that store a predetermined number of trays stacked at regular intervals, and each pallet is connected to an elevator, and each pallet is connected. These are moved up and down with a constant vertical interval between them, and the elevator is moved to the rising end or the falling end depending on the component supply status of each magazine, and the upper or lower pallet is moved. And kept separate from the elevators, the magazine mounted on the pallet towards separated, the component supply apparatus characterized by exchanging the machine is operating. 2. A tray on which a plurality of trays, on which components are aligned and placed, are stacked beside a component mounting device and are supported at a fixed interval so that they can be moved up and down, and on which a component instructed by the component mounting device is mounted. Is moved up and down to a predetermined height and pulled out, and a component transfer mechanism provided on itself or another device supplies the pulled out components on the tray to a predetermined position in the component mounting device. A magazine that stacks and stores trays at regular intervals, a pair of upper and lower pallets that are detachably mounted on each of the magazines and moves along a vertical trajectory, and a pair of pallets that are connected so as to provide a constant vertical interval. An elevator that raises and lowers these, and a first attachment / detachment mechanism that connects the upper pallet to the elevator at the rising end of the elevator, or that separates and supports the pallet, At the descending end of the elevator, a second attaching / detaching mechanism for connecting or separating the lower pallet to the elevator and supporting it separately, and moving the elevator to the ascending end or the descending end according to the component supply status of each magazine, A component supply device, comprising: a controller that operates the first or second attachment / detachment mechanism.