JP3555429B2 - Electronic component supply device and electronic component supply method - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an electronic component supply device and an electronic component supply method for supplying an electronic component to an electronic component mounting device.
[0002]
[Prior art]
Trays that are frequently used as a method of supplying electronic components to an electronic component mounting apparatus are generally stored in a magazine in a stacked manner. Hereinafter, this kind of conventional electronic component supply device will be described with reference to the drawings.
[0003]
FIG. 3 is a side view of a conventional electronic component supply device. The tray 1 is placed on a pallet 2, and the pallet 2 is stacked and stored on a rack 4 of a magazine 3. When the feed screw 6 rotates by being driven by the motor 5, the magazine 3 moves up and down. On the front side of the magazine 3, a drawer 7 for the pallet 2 is provided. The electronic component 8 stored in the tray (see the tray 1 shown by a chain line) on the pallet 2 drawn out from the magazine 3 to the electronic component supply stage S1 (arrow a) by the drawer 7 is picked up by the transfer head 9. , Mounted on a substrate 11 on a conveyor 10. When the electronic components on the tray 1 are out of stock, the pallet 2 is collected in the magazine 3 by driving the drawer 7 in the opposite direction.
[0004]
The second drawer 12 is provided behind the magazine 3, and the pallet 2 on which the empty tray 1 collected in the magazine 3 is placed is pulled out to the broken line position by the second drawer 12 (arrow). b).
[0005]
[Problems to be solved by the invention]
The conventional electronic component supply device is configured as described above. However, in the above-described conventional configuration, a large space S for pulling out the pallet 2 behind the magazine 3 is required, so that a large installation space is required as a whole, and it is particularly difficult to install in a factory with a small space. there were. In addition, since the empty tray used in the electronic component supply stage S1 must be collected in the magazine 3 once, the tray replacement is poor, and the mounting efficiency of the electronic component is not reduced.
[0006]
Therefore, an object of the present invention is to provide an electronic component supply device that can save space. It is another object of the present invention to provide an electronic component supply device and an electronic component supply method that can increase the degree of freedom of tray replacement and can collect empty trays and replenish new trays with good setup.
[0007]
[Means for Solving the Problems]
An electronic component supply device according to the present invention includes a magazine for stacking and storing trays placed on a pallet, and engaging an engagement unit with an engagement portion of the pallet to pull out the tray from the magazine to an electronic component supply stage. A drawer, an empty tray collecting section provided at the top of the magazine, and a transfer for transferring and collecting an empty tray used in the electronic component supply stage from the electronic component supply stage to the collection section. Means for moving the drawer up and down between the level of the tray stored at the lowermost stage of the magazine and the level of the collecting section. Is provided, and the empty tray collecting section also serves as a new tray replenishing section .
[0008]
Further preferably, the drawer means also serves as the transfer means, and a vertical movement means for vertically moving the drawer between the level of the tray stored at the lowermost stage of the magazine and the level of the collection unit. Provided.
[0009]
An electronic component supply method according to the present invention is an electronic component supply method using the electronic component supply device according to claim 1 , wherein the engagement unit is engaged with an engagement portion of a pallet in the magazine and pulled out of the magazine. A process of raising the tray and the pallet to an electronic component supply stage at the same level as the upper surface of the collection unit, picking up the electronic components in the tray by the transfer head of the electronic component mounting apparatus, and mounting the pallet on the substrate; if the tray's electronic components, becomes out of stock, saw including a step of collecting by transferring the pallet on the recovery section of the same level by the transfer means, if the empty trays were recovered from the collecting unit Then, a new tray is replenished to the collecting section, and after the replenishment, the new tray is drawn out to the electronic component supply stage by the drawing means .
[0010]
In the present invention having the above-described configuration, the magazine may be of a fixed type that does not move up and down, and the upper part thereof is used as a space for the collection portion of the tray, so that the space saving of the entire apparatus can be realized. In addition, by providing the tray collecting section at the top of the magazine, the degree of freedom of tray replacement is increased, and the collection of empty trays and the replenishment of new trays can be performed in a good manner. In addition, since the drawer also serves as the transfer means, the apparatus can be simplified. In addition, the structure can be simplified by using the magazine storage body or the upper surface of the magazine as the collection unit.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
FIG. 1 is a side view of an electronic component supply device according to an embodiment of the present invention, and FIG. 2 is a plan view of the same. In FIG. 1, the magazine 3 is set on a base 20. The magazine 3 is housed inside a large box-shaped housing 21, and the upper surface 21 a of the housing 21 located at the top of the magazine 3 serves as a collection section for the used and empty tray 1. Tray 1 is placed on pallet 2. The pallets 2 are stacked and stored in a rack 4 of a magazine 3.
[0012]
A drawer 30 for the pallet 2 is provided in front of the magazine 3. Next, the structure of the pull-out means 30 will be described with reference to FIGS. 31 is a thin box-shaped support frame. A nut 32 is mounted on a side surface of the support frame 31, and a vertical feed screw 33 is screwed into the nut 32. A belt 35 is tuned to the output shaft of the feed screw 33 and the motor 34. When the motor 34 rotates forward and backward, the feed screw 33 rotates forward and reverse. Thus, the nut 32 moves up and down along the feed screw 33, and the support frame 31 also moves up and down. That is, the nut 32, the feed screw 33, the motor 34, and the belt 35 serve as up-and-down moving means of the pull-out means 30.
[0013]
The vertical moving means moves the drawer means 30 up and down between the level of the pallet 2 stored at the lowermost stage of the magazine 3 and the upper surface 21a of the storage body 21 which is a collecting section of the empty tray 1. In FIG. 1, the tray 1 indicated by a broken line shows a state in which the support frame 31 has risen to the electronic component supply stage S1.
[0014]
A belt 36 is provided on the support frame 31. The belt 36 is adjusted horizontally on the pulley 37. The belt 36 rotates by being driven by a motor 38. An engagement unit 39 is mounted on the belt 36. In FIG. 2, an engaging portion 2 a is cut out at the front edge of the pallet 2, and rollers 40 pivotally mounted on both ends of the front end of the engaging unit 39 engage with the engaging portion 2 a. In FIG. 1, when the motor 34 is driven to move the support frame 31 up and down, the roller 40 moves up and down in the engaging portion 2 a of the pallet 2 stored in the magazine 3. When the roller 40 is positioned in the predetermined engaging portion 2a and the motor 38 is driven forward there, the engaging unit 39 moves horizontally in the direction of arrow A in FIG. 1, whereby the pallet 2 is pulled out onto the support frame 31. (Refer to the tray 1 and the pallet 2 shown by a dashed line in FIG. 1).
[0015]
This electronic component supply device is configured as described above, and the overall operation will be described next. In FIG. 1, the motor 34 is driven to move the support frame 31 up and down so that the roller 40 of the engagement unit 39 is engaged with the engagement portion 2a of the desired pallet 2 stored in the magazine 3. Then, the pallet 2 is pulled out onto the support frame 31 by driving the motor 38 forward (arrow A).
[0016]
Next, the motor 34 is driven forward to raise the support frame 31 to the electronic component supply stage S1 (arrow B). In FIG. 1, the tray 1 and the pallet 2 indicated by broken lines show a state where the tray 1 and the pallet 2 have moved up to the electronic component supply stage S1. The level L of the electronic component supply stage S1 is the same level as the upper surface 21a of the housing 21. Then, the transfer head 9 of the electronic component mounting apparatus picks up the electronic components 8 in the tray 1 and mounts them on the substrate 11 positioned on the conveyor 10 (arrow C).
[0017]
In FIG. 1, when the electronic components on the tray 1 are out of stock, the motor 38 is driven in reverse. Then, the engagement unit 39 moves to the left, thereby pushing the pallet 2 in the same direction and collecting it on the upper surface 21a of the storage body 21 (arrow D). That is, the drawer 30 also serves as a transfer unit that transfers the empty tray 1 on the used electronic component supply stage S1 onto the upper surface 21a to collect it. In this case, since the level L is the same as the level of the upper surface 21a as described above, if the engaging unit 39 is moved to the left, the pallet 2 on the drawer 30 can be transferred onto the upper surface 21a as it is. it can.
[0018]
When the used empty tray 1 is collected on the upper surface 21a as described above, the operator collects the empty tray 1 on the upper surface 21a together with the pallet 2 (arrow A), and renews the new tray 1. The loaded pallet 2 is placed on the upper surface 21a (arrow B). That is, the upper surface 21a, which is a collection unit for empty trays, is also a replenishment unit for new trays 1. After refilling the new tray 1, the pallet 2 on which the tray 1 on the upper surface 21a is placed is pulled out onto the electronic component supply stage S1 by the drawer 30 (arrow C), and the mounting of the electronic component by the transfer head 9 is restarted. . When the mounting of the electronic components on the tray 1 is completed, the motor 34 is reversely driven to lower the support frame 31, and then the engaging unit 39 of the drawer 30 is moved to the left so that the used tray The pallet 2 on which the pallet 1 is placed is collected on the empty rack 4 of the magazine 3. Of course, the tray 1 can be collected on the upper surface 21a of the storage body 21.
[0019]
As described above, the upper surface 21a of the storage body 21 at the upper part of the magazine 3 is used as the collection portion of the empty tray 1, so that the degree of freedom of taking the tray 1 in and out of the electronic component supply stage S1 increases, and The collection of the old tray 1 and the replenishment of a new tray 1 can be performed in a good manner. Of course, the loading / unloading of the pallet 2 on which the tray 1 is placed between the magazine 3, the electronic component supply stage S1, and the three positions of the upper surface 21a is not limited to the above-described embodiment, and may be performed according to mounting conditions such as an electronic component mounting program. These three positions may be freely moved in and out. Alternatively, the storage body 21 may be removed, and the upper surface of the magazine may be used as a collection section for empty trays.
[0020]
【The invention's effect】
According to the present invention, the magazine may be of a fixed type that does not move up and down, and the upper part thereof is used as a space for the collecting section of the tray, so that the space saving of the entire apparatus can be realized. In addition, the pallet on which the tray is placed can be taken in and out between the magazine, the electronic component supply stage, and the upper three positions of the magazine, so that the degree of freedom of tray replacement can be increased, and empty trays can be collected and new trays can be collected. Replenishment can be performed very well, and mounting efficiency can be improved. In addition, since the drawer also serves as the transfer means, the apparatus can be simplified. In addition, the structure can be simplified by using the upper surface of the storage body or the magazine as the collecting portion. The large and heavy magazine may be of a fixed type that does not move up and down, and the vertical moving means can be made smaller by moving the lighter loading / unloading means up and down by the vertical moving means.
[Brief description of the drawings]
FIG. 1 is a side view of an electronic component supply device according to an embodiment of the present invention. FIG. 2 is a plan view of an electronic component supply device according to an embodiment of the present invention. FIG. 3 is a side view of a conventional electronic component supply device. Explanation of reference numerals]
DESCRIPTION OF SYMBOLS 1 Tray 2 Pallet 3 Magazine 21 Storage body 21a Top surface (collection part)
30 withdrawal means (transportation means)
31 support frame 32 nut 33 feed screw 34 motor 36 belt 39 engagement unit

Claims (2)

A magazine for stacking and storing the trays mounted on the pallet, a drawer for engaging the engaging unit with the engaging portion of the pallet, and pulling out the tray from the magazine to the electronic component supply stage; provided at the top of the magazine A collecting section for the empty tray that has been used, and transfer means for transferring and collecting the empty tray used in the electronic component supply stage from the electronic component supply stage to the collection section , wherein the drawing means is provided . Up-and-down moving means which also serves as the transfer means and moves the drawer means up and down between the level of the tray stored at the lowermost stage of the magazine and the level of the collection section, and An electronic component supply device, wherein the collection unit also serves as a new tray replenishment unit . An electronic component supply method using the electronic component supply device according to claim 1 ,
A step of engaging the engaging unit with an engaging portion of a pallet in the magazine and pulling the engaging unit out of the magazine;
Raising the tray and the pallet to the electronic component supply stage at the same level as the upper surface of the collection unit, picking up the electronic components in the tray by the transfer head of the electronic component mounting apparatus, and mounting the electronic components on the board;
When the electronic components on the tray of the pallet are out of stock, transferring the pallet to the collecting unit at the same level by the transfer means and collecting the pallet;
Only including,
When an empty tray is collected from the collection unit, a new tray is replenished to the collection unit, and after the replenishment, a new tray is drawn out to the electronic component supply stage by the drawing means. Electronic component supply method.

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