JP2004103670A - Method of exchanging component supply tray in mounting machine and device used therefor - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a method of exchanging component supply trays in a mounting machine by which the component supply trays can be supplied safely in a mounting machine even without having to stop the machine. <P>SOLUTION: In the vertically moving route of a tray draw-out shaft 4, a first position (tray magazine 3A) at which the engaging section of a tray exists and a second position (tray magazine 3B) at which the engaging section of the tray does not exist are formed. A tray short of components is exchanged with another tray containing components by pushing it out to a tray magazine 3B through another tray magazine 3A by means of the tray drawing-out shaft 4. Consequently, the safety can be improved as compared with the conventional tray exchanging method, because the execution of the draw-in work of the new tray from the tray magazine 3B by means of the shaft 4 can be stopped until the mounting machine is made to recognize the completion of the replenishment of the new tray. <P>COPYRIGHT: (C)2004,JPO

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a component supply tray replacement method for replenishing trays in a mounting machine that takes out and mounts components from a tray set at a component supply position.
[0002]
[Prior art]
FIG. 8 shows a conventional mounting machine (for example, see Patent Document 1).
As shown in FIG. 8 (a), the supply preparation position mounting machine body 1, a large number of parts are set side by side, the tray magazine 4 trays ₂₁ to ₂₄ are mounted stacked here 3 is set.
[0003]
For example Tray 2 ₁ having a part to be executed to implement, by the tray drawer shaft 4 is pulled up from the supply ready position of the tray magazine 3 as shown in FIG. 8 (b) of Toreirifuta 5, then, FIG. as shown in 8 (c), the tray 2 is set to ₁ the component supply position Toreirifuta 5 rises.
[0004]
Suction nozzle 6 moving between the mounting position and the component feeding position of the substrate (not shown) for receiving a part of the implementation, from the tray 2 ₁ by sucking and holding the component 7 mounts components 7 on the substrate .
[0005]
Tray 2 ₁ performing the component mounting is Toreirifuta 5 is lowered to the position in FIG. 8 (b), is pushed back by the tray drawer shaft 4 to the tray magazine 3, then Toreirifuta 5 as shown in FIG. 8 (d) elevated tray drawer shaft 4 Pull out tray 2 ₂ on the Toreirifuta 5, below, similarly Toreirifuta 5 rises tray 2 ₂ is set to the component supply position.
[0006]
[Patent Document 1]
JP-A-11-354983
[Problems to be solved by the invention]
Conventional tray exchange method in such a mounter, Fig state where one of the trays ₂₁ to ₂₄ as shown in FIG. 8 (e) is a time became part shortage and stop the operation of the mounter As shown in FIG. 8 (f), the tray magazine 3 is removed from the mounting machine main body 1, and the tray magazine 3 in which the trays with components replenished are set is reset on the mounting machine main body 1.
[0008]
This, for example, at the timing of the tray drawer shaft 4 is about to withdraw the tray 2 ₂ As shown in FIG. 8 (d), when it should be replaced Tray 2 ₁ empty tray magazine tray 2 ₂ incorrectly attendant If an attempt is made to pull out from the 3, dangerous situation in which attendant's hand is pulled in the tray magazine 3 by the tray drawer shaft 4 through the tray 2 ₂ occurs.
[0009]
Therefore, conventionally, the tray is currently replenished while the operation of the mounting machine is stopped.
SUMMARY OF THE INVENTION It is an object of the present invention to provide a component supply tray replacement method capable of safely replenishing a tray without stopping the mounting machine.
[0010]
[Means for Solving the Problems]
The component supply tray replacement method of the present invention includes a step of moving a desired tray from a supply preparation position where a plurality of trays are installed to a tray replacement position, and a step of supplying another tray loaded with components to be supplied from the tray replacement position. The method includes a step of moving the tray to a preparation position and a step of replacing the desired tray at the tray replacement position.
[0011]
Further, in the step of exchanging the desired tray, the movement of the desired tray to the supply preparation position is suppressed.
Further, the component supply tray replacement device of the present invention includes a supply preparation unit that installs a plurality of trays on which components to be supplied are mounted, and another tray that receives the tray of the supply preparation unit and mounts components to be supplied. It is characterized by having a tray exchanging unit for exchanging trays by supplying to the supply preparing unit, and a tray exchanging moving unit for moving a desired tray between the supply preparing unit and the tray exchanging unit.
[0012]
Further, a tray movement suppressing means for suppressing movement of a desired tray from the tray exchange unit to the supply preparation unit is provided.
Further, the individual positions for installing the trays of the supply preparation unit and the tray replacement unit are vertically arranged, and the tray storage position of the supply preparation unit and the tray storage position of the tray replacement unit are matched. And
[0013]
Further, a tray installation position moving means for vertically moving a tray installation position of the tray exchange unit is provided in the tray exchange unit.
Further, the present invention is characterized in that the tray exchange section has a structure separable from the supply preparation section.
[0014]
The mounting machine of the present invention is a component supply tray replacement device according to any of the above,
It is characterized by having a mounting part for mounting components mounted on a tray to an object, and a tray moving means for moving the tray of the supply preparation part to the mounting part.
[0015]
The method of manufacturing a substrate according to the present invention includes a step of supplying a component obtained by the component supply tray replacing method according to any one of the above to a mounting unit and a step of mounting the component to an object It is characterized by.
[0016]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, a method for replacing a component supply tray in a mounting machine according to the present invention will be described based on specific embodiments shown in FIGS.
[0017]
It is to be noted that components having the same functions as those of the conventional example shown in FIG.
(Embodiment 1)
1 to 3 show a mounting machine for realizing the tray replacement method of the present invention.
[0018]
As shown in FIGS. 1A and 1B, a second tray magazine 3A provided outside the mounting machine main body 1 is provided at a tray exchange position outside the mounting machine main body 1 separately from the first tray magazine 3A provided at the supply preparation position inside the mounting machine main body 1. A tray magazine 3B is provided, and individual positions for installing the trays of the supply preparation unit and the tray replacement unit are vertically arranged, and the tray storage position of the supply preparation unit and the tray storage position of the tray replacement unit are combined. Have been.
[0019]
Pull out tray 2 ₂ from the first tray magazine 3A like a traditional over Toreirifuta 5, the tray 2 ₂ of the first tray magazine 3A is, and FIG. 1 (b) from the first tray magazine 3A second The control means is configured to be moved to the tray magazine 3B.
[0020]
Specifically, the first tray magazine 3A each tray ₂₁ to ₂₄ which is set in is set by aligning the engaging portion 8 toward the Toreirifuta 5, Toreirifuta from the first tray magazine 3A 5 to when pulling the tray, as the tray open shaft 4 shown in phantom and solid lines in FIG. 2 (a), the tip 9 of the tray drawer shaft 4 inside of the tray ₂₁ to ₂₄ of the engaging portion 8 and lifting to pass, tray position of interest, when the tip 9 of the tray drawer shaft 4 as a tray interchange moving means to the position of the tray 2 ₄ arrives in the case of FIG. 2 (b), first, FIG. 3 ( pawl 10 it is shown in a) is, the pawl 10 as shown in FIG. 3 (b) by the drive shaft 11 is pushed out is rotated about the fulcrum 12, the pawl 10 of the tray 2 ₄ It engages with the concave portion 13 of the engaging portion 8 and then the tray Can out shaft 4 is pulled towards the top of Toreirifuta 5. The tray pulled into the tray lifter 5 is raised to the component supply position, and the picking-up of the component 7 by the suction nozzle 6 as a mounting portion for mounting the component to the object and the mounting of the component on the board are performed.
[0021]
Tray parts is insufficient be on the Toreirifuta 5, for example, in the case of the tray 2 _1, as shown in FIG. 1 (a), is lowered to a position pulled out tray 2 ₁ from the first tray magazine 3A After that, the tray is pushed back to the tray lifter 5 by the tray pull-out shaft 4, and further, as shown in FIG. to move the tray _{2 1.} For other tray ₂ 2 21 to ₂₄ is the same.
[0022]
Tray drawer shaft 4 has moved the tray to the second tray magazine 3B are shown in the drive shaft 11 to remove the pawl 10 back to the same state as FIGS. 3 (a) from the tray 2 ₁ FIGS. 2 (a) It is controlled to return to the vertical path.
[0023]
As described above, the tray storage section of the first tray magazine 3A at the supply preparation position is vertically disposed, and the tray storage section of the second tray magazine 3B at the tray exchange position is also vertically disposed. Since the heights of the storage portions are adjusted, the tray is moved between the first tray magazine 3A and the second tray magazine 3B by the tray pull-out shaft 4 for moving the tray of the first tray magazine 3A to the tray lifter 5. If the tray pull-out shaft 4 returns in the elevating path, the staff can manually move the tray of the second tray magazine 3B without stopping the operation of the mounting machine, after the tray pull-out shaft 4 returns in the elevating path. And can be safely refilled.
[0024]
Further, in order to improve the safety, a gate 16 is provided on the side of the supply port of the second tray magazine 3B, which is opened only at the place where the tray is discharged, as shown in FIG. It is configured such that the operator can supply the tray to the second tray magazine 3B only at the location where the operation is performed.
[0025]
In addition, this means that the attendant inputs to the mounting machine that the replenishment to the second tray magazine 3B has been completed, and the mounting machine that recognizes this instruction input drives the tray pull-out shaft 4 to execute the second tray magazine. By configuring the control means so as to restrain the tray from being drawn from 3B to the first tray magazine 3A, the safety is further improved.
[0026]
(Embodiment 2)
FIG. 4 shows (Embodiment 2).
In the first embodiment, the supply preparation position is provided inside the mounting machine main body 1, and the tray replacement position is provided outside the mounting machine main body 1. However, as shown in FIG. 4, the first and second tray magazines are provided. Both 3A and 3B can be provided inside the mounting machine body 1.
[0027]
(Embodiment 3)
FIG. 5 shows (Embodiment 3).
In the first embodiment, the tray engaging portion 8 is located in the first tray magazine 3A where the first position in the elevating path of the tray drawer shaft 4 is at the supply preparation position, and the tray puller shaft 4 is moved up and down. Although the second position of the tray not in the path is formed in the second tray magazine 3B at the tray exchange position, in this (Embodiment 3), the first tray magazine 3A at the supply preparation position has the first position. , there is a second position, the FIG. 5 tray 2 ₁ have been pushed by the tray drawer shaft 4 to the second position, the tray 2 ₂ 21 _{to 24} is located at the first position .
[0028]
(Embodiment 4)
FIG. 6 shows (Embodiment 4).
In the above (Embodiment 2), the tray lifter 5 is provided, but in this (Embodiment 4), the tray lifter 5 is not provided.
[0029]
Specifically, a first tray magazine 3A driven up and down by the motor 14 and a second tray magazine 3B driven up and down by the motor 15 are provided, and the control means is configured as follows.
[0030]
According to the component to be mounted, the first tray magazine 3A driven up and down by the motor 14 is driven as shown in FIG. 6A so that the tray containing necessary components comes to the component supply position 17 as shown in FIG. The tray pulled out from the first tray magazine 3A by the tray drawer shaft 4 is moved by the tray drawer shaft 4 to the same position in the first tray magazine 3A.
[0031]
The tray with the missing components is pushed back to the same position of the first tray magazine 3A by the tray drawer shaft 4, and the tray is further moved to the second tray magazine 3B by the tray drawer shaft 4. In this case, when the tray 2 ₀ which has already been supplied to the second tray magazine 3B is set, driving a motor 15 lifting the second tray magazine 3B as shown in FIG. 6 (b) After that, the tray is moved to the second tray magazine 3B by the tray drawer shaft 4.
[0032]
Also, when moving the tray 2 ₂ of the second tray magazine 3B to the first tray magazine 3A, as shown in FIG. 6 (b), the empty first tray magazine 3A driving a motor 14 and control position of to come to the component supply position 17, position of the tray 2 ₂ of the second tray magazine 3B is operated so as to have the same height as the component supply position 17 by the motor 15, opposite to the previous to move the tray 2 ₂ of the second tray magazine 3B in tray drawer shaft 4 to the first tray magazine 3A.
[0033]
By raising and lowering the first tray magazine 3A in this manner, when the tray is returned to the first tray magazine 3A, the moving time of the tray lifter, which is required in the previous embodiment, is not required.
[0034]
When attendant replenishes place the tray 2 ₀ with empty second tray magazine 3B, which was recognized the mounter, tray opening axis from the second tray magazine 3B to spaced locations of the first tray magazine 3A by operating to draw tray 2 ₀ 4, it can ensure safety. Furthermore, by configuring the first and second tray magazines 3A and 3B to be able to be driven up and down in particular, the workability of taking out the component 7 by the suction nozzle 6 and mounting the component on the board is improved, and the production is improved. It can be expected to improve the performance.
[0035]
In this (Embodiment 4), the tray lifter 5 is eliminated, and the motor 14 is provided as a tray installation position moving means for driving the first tray magazine 3A at the supply preparation position up and down, and the second tray at the tray exchange position is provided. Motor 15 is provided as a tray installation position moving means for driving the tray magazine 3B up and down.
In addition to the provision of the tray lifter 5, the first tray magazine 3A at the supply preparation position may not be driven up and down, and the second tray magazine 3B at the tray replacement position may be driven up and down by the motor 15.
[0036]
【The invention's effect】
As described above, according to the component supply tray replacement method of the present invention, a step of moving a desired tray from a supply preparation position where a plurality of trays are installed to a tray replacement position, and another tray mounting components to be supplied, Since it has a step of moving from the replacement position to the supply preparation position and a step of replacing the desired tray at the tray replacement position, until the mounting machine recognizes completion of replenishment of the tray containing the components, The operation of pulling the tray from the second position by the tray pull-out shaft can be prevented from being executed, and an improvement in safety can be expected as compared with the conventional component supply tray replacement method.
[Brief description of the drawings]
FIG. 1 is a sectional view of a main part of a mounting machine according to a first embodiment of the present invention; FIG. 2 is a vertical path of a tray pull-out shaft 4 in a tray magazine 3A of the same embodiment, and a tray by the tray pull-out shaft 4 FIG. 3 is a perspective view showing a state in which the tray is pulled from the magazine 3A. FIG. 3 is a plan view of the tip of a tray pull-out shaft 4 of the embodiment. FIG. FIG. 5 is a perspective view of a tray magazine of the mounting machine according to the third embodiment of the present invention. FIG. 6 is a cross-sectional view of a main part of the mounting machine according to the fourth embodiment of the present invention. FIG. 8 is an explanatory view of another example of (Embodiment 1) of the present invention. FIG. 8 is a cross-sectional view illustrating operation steps of a conventional mounting machine.
1 mounter body 21 _{to 24} trays 3A engagement portion of the first tray magazine 3B second tray magazine 4 tray drawers shaft 5 Toreirifuta 6 suction nozzle 8 Tray ₂ 1 to 2 ₄

Claims (9)

Moving a desired tray from a supply preparation position where a plurality of trays are installed to a tray replacement position;
Moving another tray mounted with components to be supplied from the tray exchange position to the supply preparation position;
Exchanging the desired tray at the tray exchange position. In the step of replacing the desired tray,
2. The method according to claim 1, wherein the movement of the desired tray to the supply preparation position is suppressed. A supply preparation unit for installing a plurality of trays on which components to be supplied are mounted;
A tray exchange unit that receives the tray of the supply preparation unit, supplies another tray equipped with parts to be supplied to the supply preparation unit, and replaces the tray,
A component supply tray exchange device having a tray exchange moving unit for moving a desired tray between the supply preparation unit and the tray exchange unit. 4. The component supply tray replacement device according to claim 3, further comprising a tray movement suppressing unit configured to suppress movement of a desired tray from the tray replacement unit to the supply preparation unit. The individual positions where the trays of the supply preparation unit and the tray replacement unit are installed are vertically arranged, and the tray storage position of the supply preparation unit and the tray storage position of the tray replacement unit are matched. The component supply tray replacement device according to claim 4. 5. The component supply tray exchange device according to claim 4, wherein a tray installation position moving means for vertically moving a tray installation position of the tray exchange unit is provided in the tray exchange unit. The component supply tray exchange device according to any one of claims 4 to 6, wherein the tray exchange unit has a structure separable from the supply preparation unit. A component supply tray replacement device according to any one of claims 3 to 7,
A mounting part for mounting the components mounted on the tray to the object,
And a tray moving means for moving the tray of the supply preparation unit to the mounting unit. A step of supplying a component obtained by the component supply tray replacement method according to any one of claims 1 and 2 to a mounting portion, and a step of mounting the component to an object. Substrate manufacturing method.

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