JP3660498B2 - Parts supply device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a component supply apparatus that intermittently feeds an electronic component storage tape that stores an electronic component in a predetermined storage unit so that a component extraction tool can extract the component.
[0002]
[Prior art]
As a component supply device for supplying electronic components by feeding a tape that stores this type of electronic component, a device described in Japanese Patent Laid-Open No. 7-51607 is known. According to this prior art, a so-called component supply cassette, which is a component supply device, is mounted with one type of component storage tape, and cannot transmit component storage tapes having different tape widths.
[0003]
[Problems to be solved by the invention]
That is, in the prior art, when the tape width is different, it is necessary to prepare different types of component supply devices. In particular, when supplying large parts, the absolute quantity used for mounting on the board is not large, so different parts cassettes are prepared for different parts types and various tape widths. This means that many parts supply cassettes that are not always used are generated. If there is such a component supply cassette, it is necessary to secure the storage location, and it takes time to manage it.
[0004]
Therefore, an object of the present invention is to make it possible to use in common a component supply cassette for feeding component storage tapes having different tape widths.
[0005]
[Means for Solving the Problems]
For this reason, the present invention provides an electronic component storage tape for storing electronic components in a predetermined storage section, and intermittently feeds the component supply device so that the component extraction tool can extract the components. A pair of guide members that support both side ends and guide the traveling thereof, a pair of side walls on which the respective guide members are formed, an interval changing means for changing an interval between the pair of side walls, and feeding of the storage tape A sprocket for engaging the feed hole formed in the direction and intermittently feeding the tape, and a sprocket position changing means that is supported by the pair of side walls and changes the position of the sprocket in the tape width direction. The interval changing means and the sprocket position changing means are configured not to protrude from the pair of side walls when the interval between the pair of side walls is narrowed .
[0006]
In this way, a single component supply device can supply a plurality of types of components having different tape widths, and also changes the interval between the side walls and the position of the sprocket in the tape width direction. The overall width dimension can be changed to match the tape width to save footprint.
[0007]
Further, the present invention provides a component supply device that intermittently feeds an electronic component storage tape for storing an electronic component in a predetermined storage portion so that the component extraction tool can take out the component. A pair of guide members that support both side ends and guide the traveling thereof, a pair of side walls on which the respective guide members are formed, and interval changing means for changing the interval between the pair of side walls, the interval changing The means includes a guide member disposed in the tape width changing direction on the inner side of the side wall for guiding the movement of the side wall, and the guide member formed on the inner side of the at least one side wall and extending along the guide member. an engaging member for moving said side wall along said guide member while guiding, more becomes fixing means for fixing the engaging member to the guide member, the guide member narrows the distance between the pair of side walls Is obtained so as not to protrude from the pair of side walls when the.
[0008]
With this configuration, the side wall can be fixed outside the end of the guide member, and the guide member will not protrude even if the interval between the side walls is narrowed in accordance with the component storage tape having a narrow tape width. The width dimension of the whole component supply apparatus can be changed.
[0009]
According to another aspect of the present invention, there is provided a component supply apparatus that intermittently feeds an electronic component storage tape for storing an electronic component in a predetermined storage portion so that the component takeout tool can take out the component in the feeding direction of the storage tape. A sprocket for intermittently feeding the tape by engaging with a feed hole provided, and sprocket position changing means for changing the position of the sprocket in the tape width direction, the sprocket position changing means comprising: A sprocket guide member disposed in the tape width changing direction inside the side wall for guiding the movement, and sprocket fixing means for fixing the sprocket to the guide member. The sprocket guide member is formed of the pair of side walls. When the interval is narrowed, it does not protrude from the pair of side walls .
[0010]
By configuring in this way, the position changing means can change the position of the sprocket to feed the component storage tapes with different tape widths. After changing the position of the sprocket, the sprocket is fixed to the sprocket fixing means. Thus, the sprocket can be prevented from shifting even after the position of the sprocket is changed , and the entire width of the component supply device can be changed to save the occupied installation area .
[0014]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
[0015]
2 and 3, reference numeral 1 denotes a Y table that moves in the Y direction by the rotation of the Y-axis motor 2. Reference numeral 3 denotes a movement in the X direction on the Y table 1 by the rotation of the X-axis motor 4. As a result, the printed circuit board 6 on which the chip-like electronic component 5 (hereinafter referred to as a chip component or a component) is mounted is fixed and mounted on a fixing means (not shown).
[0016]
Reference numeral 7 denotes a supply table, on which a number of component supply devices 8 for supplying chip components 5 are arranged. Reference numeral 9 denotes a supply table drive motor. When the ball screw shaft 10 is rotated, the supply table 7 is guided to the linear guide 12 via a nut 11 which is screwed into the ball screw shaft 10 and fixed to the supply table 7. Move in the X direction. Reference numeral 13 denotes a rotary table that rotates intermittently, and mounting heads 15 having a plurality of suction nozzles 14 as component pick-up tools are arranged at equal intervals according to the intermittent pitch on the outer edge of the table 13.
[0017]
I is a suction station which is a stop position of the mounting head 15 where the suction nozzle 14 picks up and picks up the component 5 from the component supply device 8 by intermittent rotation of the rotary table 13, and the suction nozzle 14 picks up the component 5 at the suction station I. Adsorb.
[0018]
Reference numeral 16 denotes a component recognition device that recognizes the position shift of the component 5 attracted by the suction nozzle 14 by imaging the lower surface of the component 5 with a camera in a predetermined visual field range and recognizing the imaged screen. Is provided.
[0019]
The position where the mounting head 15 next to the recognition station II stops is the angle correction station III, and the angle amount for correcting the angular position deviation of the chip component 5 due to the recognition result of the recognition device 16 is added to the predetermined angle amount. The head rotating device 17 rotates the mounting head 15 in the θ direction by the angle amount. The θ direction is a direction that rotates around the axis of the nozzle 14 extending in the vertical direction.
[0020]
The next stop position next to the angle correction station III is the mounting station IV, and the component 5 to be sucked by the suction nozzle 14 of the station IV is mounted on the substrate 6 by the lowering of the mounting head 15.
[0021]
Reference numeral 20 denotes an elevating lever that moves up and down, and engages and swings with a swing lever 21 of the component supply device 8 to intermittently feed a component storage tape (not shown) enclosing the chip component 5 at a predetermined interval. The chip component 5 is supplied to the component suction position of the suction nozzle 14. Reference numeral 22 denotes a tape reel on which the component storage tape (not shown) is wound.
[0022]
Next, the component supply device 8 will be described in detail with reference to FIGS.
[0023]
The component supply device 8 has a fixed side plate 24 and a movable side plate 25 as both side walls, and a guide shaft 26 as a guide member is erected on the fixed side plate 24 toward the inside, that is, the movable side plate 25 side. The movable side plate 25 is provided with a cylindrical engaging member 27 that is fitted to the guide shaft 26 and can slide in the longitudinal direction. The guide shaft 26 and the engaging member 27 are erected at a plurality of locations of the fixed side plate 24 and the movable side plate 25, respectively, and the movable side plate 25 moves in the direction of the guide shaft 27 as the engaging member 27 moves along the guide shaft 26. It can be translated. The engaging member 27 is fixed to the guide shaft 26 by a fixing screw 28 as fixing means, and the movable side plate 25 is positioned and fixed in parallel with the fixed side plate 24 with a predetermined distance. Since the engagement member 27 is formed long in the moving direction, the distance between the side plates 24 and 25 is changed without the guide shaft 26 protruding, and the maximum width of the component supply device 8 (arrangement to the supply stand 7). The width in the direction) can be changed. The guide shaft 26, the engaging member 27, and the fixing screw 28 form an interval changing means for changing the interval between the side walls. In addition, a fixed-side sprocket 31 and a movable-side sprocket 32 having engaging pins 30 that engage with feed holes formed at predetermined intervals in the longitudinal direction at both side ends of a component storage tape (not shown). The spline shaft 34 is fitted as a sprocket guide member that is erected on the fixed side plate 24 so as to be rotatable. A spline groove is formed in the outer periphery of the spline shaft 34 in the longitudinal direction, and the spline grooves formed on the fitting surfaces of the sprockets 31 and 32 to the spline shaft 34 are fitted to each other. The sprockets 31 and 32 are rotated by the rotation. Further, since it is a spline groove, the sprockets 31 and 32 are movable along the spline shaft 34. The sprockets 31 and 32 are fixed to the spline shaft 34 by fixing screws 35 as sprocket fixing means. Also. The spline shaft 34 is rotatably supported by an engagement bearing 36 provided on the movable side plate 25 and a bearing 37 formed on the fixed side plate 24. The spline shaft 34, the fixed side sprocket 31, the movable side sprocket 32 and the fixing screw 35 constitute sprocket position changing means.
[0024]
The sprocket 32 may be integrated with a cylindrical member corresponding to the engagement bearing 36 so that the cylindrical member is rotatably supported on the movable side plate 25 by a bearing.
[0025]
The fixed side plate 24 is formed with a guide member 39 that supports a side end portion of a component storage tape (not shown) and guides the movement in the feeding direction. The movable side plate 25 is also formed with a guide member 40 that supports opposite side end portions of a component storage tape (not shown) and guides the movement in the feeding direction. The spline shaft 34 is rotated by a link 41 to which the swinging motion of the swing lever 21 is transmitted and a ratchet mechanism 43 driven by the link 41, and every swing of the swing lever 21. The spline shaft 34, that is, the sprockets 31 and 32 perform intermittent rotation that stops after rotating by a predetermined rotation amount. The operation will be described below. First, the automatic operation of the electronic component automatic mounting device on which the component supply device 8 is mounted will be described. A component supply device 8 for supplying a desired component 5 indicated by mounting data (not shown) is positioned so as to face the suction nozzle 14 by the movement of the supply table 7. Next, the swing lever 21 swings by the lifting and lowering operation of the lift lever 20, and a component storage tape (not shown) wound around the tape reel 22 is sent by a predetermined angle by the rotation of the sprockets 31 and 32, The accommodated electronic component 5 is sent to a predetermined position.
[0026]
Next, the suction nozzle 14 descends to take out the electronic component by vacuum suction. Next, the rotary table 13 rotates intermittently and the mounting head 15 that holds the electronic component reaches the recognition station II, and the component misalignment of the component 5 is recognized by the component recognition device 16, and then the angular position and the XY direction. Is corrected and mounted on the printed circuit board 6 at the mounting station IV.
[0027]
At this time, the component supply device 8 is in a state of being widened as shown in FIG. 1 in order to send a component storage tape for storing the large component 5.
[0028]
Next, after the production operation proceeds, the type of the printed circuit board 6 is changed, and the electronic component 5 smaller than this is stored by using the component supply device 8 which has been used as shown in FIG. An operation for changing the interval between the side plates 24 and 25 when the component storage tape to be sent is to be sent will be described.
[0029]
That is, the operator loosens the fixing screw 28 that fixes the engaging member 27 and the fixing screw 35 that fixes the sprocket 32, and moves the movable side plate 25 (including the engaging bearing 36) and the movable side sprocket 32. It is moved along the guide shaft 26 and the spline shaft 34 so that the new component storage tape can be supported by the guide members 39 and 40 and the engagement pin 30 of the sprocket 32 can be engaged with the feed hole of the component storage tape. Then, the fixing screws 28 and 35 are tightened and fixed.
[0030]
In this way, the component supply device 8 having a horizontal width in plan view as shown in FIG. 4 is obtained. The component supply device 8 is attached to the supply stand 7, but the area occupied on the supply stand 7 can be made smaller than in the case of FIG. 1, and the positioning hole on the supply stand 7 for attaching the component supply device 8 is provided in the component supply device 8. Since the components are arranged at predetermined intervals in the arrangement direction, if the width of the component supply device 8 is reduced to some extent, the other component supply devices 8 can be arranged on the supply table 7 more than in the case of FIG. .
[0031]
Next, the production operation as described above is performed.
[0032]
【The invention's effect】
As described above, the present invention can change the position of the side wall on which the guide member is formed to support both side ends of the component storage tape in the width direction or to guide the running or the position of the sprocket according to the width of the tape. Therefore, a single component supply device can supply multiple types of components with different tape widths, and the width of the entire component supply device can be changed to match the tape width, reducing the distance between the pair of side walls. By doing so, the width of the component supply device can be reduced, and the installation area occupied by the component supply device can also be saved.
[Brief description of the drawings]
FIG. 1 is a plan view in which a part supply device is partially broken.
FIG. 2 is a plan view of the electronic component automatic mounting apparatus.
FIG. 3 is a side view of the electronic component automatic mounting apparatus.
FIG. 4 is a plan view in which a part supply device is partially broken.
[Explanation of symbols]
5 Chip-shaped electronic component 8 Component supply device 14 Suction nozzle (component extraction tool)
24 Fixed side plate (side wall)
25 Movable side plate (side wall)
26 Guide shaft (guide member)
27 engaging member 28 fixing screw (fixing means)
31 fixed side sprocket 32 movable side sprocket 34 spline shaft 35 fixing screw (sprocket fixing means)
39 Guide member 40 Guide member

Claims (3)

In a component supply device that intermittently feeds an electronic component storage tape that stores electronic components in a predetermined storage portion so that the component takeout tool can take out the component, and supports both side ends of the storage tape in the width direction. A pair of guide members for guiding the traveling, a pair of side walls on which the respective guide members are formed, interval changing means for changing an interval between the pair of side walls, and a feed direction of the storage tape A sprocket for intermittently feeding the tape by engaging with the feed hole, and a sprocket position changing means supported by the pair of side walls to change the position of the sprocket in the tape width direction , the interval changing means, The sprocket position changing means does not protrude from the pair of side walls when the distance between the pair of side walls is narrowed . In a component supply device that intermittently feeds an electronic component storage tape for storing electronic components in a predetermined storage section so that the component take-out tool can take out the components, both side ends of the storage tape in the width direction are supported. A pair of guide members for guiding the travel, a pair of side walls on which the respective guide members are formed, and interval changing means for changing the interval between the pair of side walls, the interval changing means comprising the side walls A guide member arranged in the tape width changing direction on the inner side of the side wall to guide the movement of the guide member, and is formed on the inner side of the at least one side wall and extends along the guide member to guide the guide member and the guide an engaging member for moving said side wall along the member, becomes more and fixing means for fixing the engaging member to the guide member, when the guide member which narrows the distance between the pair of side walls該Ichi Component supply device, characterized in that does not protrude from the side wall of the. In a component supply apparatus for supplying an electronic component storage tape for storing an electronic component in a predetermined storage section so that the electronic component storage tape can be taken out by a component extraction tool, a feed hole formed in the feeding direction of the storage tape And a sprocket position changing means for changing the position of the sprocket in the tape width direction, the sprocket position changing means for guiding the movement of the sprocket. A sprocket guide member disposed in the tape width changing direction on the inner side of the side wall and sprocket fixing means for fixing the sprocket to the guide member. The sprocket guide member is configured to reduce a distance between the pair of side walls. And the pair of side walls do not protrude from the pair of side walls .

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