WO2016143041A1 - フィーダ - Google Patents
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- Publication number
- WO2016143041A1 WO2016143041A1 PCT/JP2015/056851 JP2015056851W WO2016143041A1 WO 2016143041 A1 WO2016143041 A1 WO 2016143041A1 JP 2015056851 W JP2015056851 W JP 2015056851W WO 2016143041 A1 WO2016143041 A1 WO 2016143041A1
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- WO
- WIPO (PCT)
- Prior art keywords
- tape
- carrier tape
- carrier
- feeder
- sprocket
- Prior art date
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/0417—Feeding with belts or tapes
- H05K13/0419—Feeding with belts or tapes tape feeders
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/04—Mounting of components, e.g. of leadless components
- H05K13/0417—Feeding with belts or tapes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H20/00—Advancing webs
- B65H20/20—Advancing webs by web-penetrating means, e.g. pins
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/02—Feeding of components
Definitions
- the present invention relates to a feeder for transporting a carrier tape containing components.
- Patent Document 1 describes an autoloading type feeder having a tape detection sensor that detects the presence or absence of a carrier tape inserted into a tape insertion portion.
- the tape detection sensor includes a V-shaped plate spring biased toward the tape conveyance path, and an optical sensor capable of blocking the optical path with an optical path blocking plate provided at the center of the plate spring.
- an optical sensor capable of blocking the optical path with an optical path blocking plate provided at the center of the plate spring.
- the autoloading feeder has not only a carrier tape that can store relatively small parts (hereinafter referred to as carrier tape) but also a component storage part that protrudes downward that can store relatively large parts.
- carrier tape a carrier tape that can store relatively small parts
- component storage part that protrudes downward that can store relatively large parts.
- Some carrier tapes hereinafter referred to as embossed tapes
- embossed tapes can be supplied. In such a tape transport path of the feeder, a groove through which a component storage part of the embossed tape passes is formed.
- the present invention has been made in view of the above-described problems, and an object of the present invention is to provide a feeder capable of reliably performing autoloading on various tapes.
- the feeder of the present invention inserts a carrier tape formed by projecting a component housing part containing a plurality of components downward and a carrier tape formed by a part housing part not projecting downward.
- a feeder main body formed with a tape insertion portion at the rear, and a tape provided between both side walls of the feeder main body so as to communicate with the tape insertion portion in order to convey the carrier tape from rear to front
- a transport path and an engagement protrusion provided rotatably on the feeder main body and engageable with an engagement hole of the carrier tape inserted from the tape insertion portion, and the carrier tape is placed in the tape transport path
- a rear-side sprocket that feeds along the tape transport path, and the tape transport path includes the protruding component storage portion when transporting the carrier tape.
- FIG. 3 is a cross-sectional view of the carrier tape shown in FIG. 2 along the line AA.
- FIG. 3 is a cross-sectional view of the embossed tape shown in FIG. 2 taken along line AA.
- FIG. 6 is an enlarged detailed view of the periphery of the tape lower surface urging member and the tape upper surface urging member shown in FIG. 5.
- FIG. 7 is a sectional view taken along line BB in the vicinity of the tape lower surface urging member and the tape upper surface urging member shown in FIG. 6. It is a state before an operation of a feeder, and is an operation state figure showing a state where an operation lever fell. It is an operation state figure which shows the state which lifted the operation lever. It is an enlarged view when a carrier tape is inserted in the tape conveyance path between the tape lower surface biasing member and tape upper surface biasing member shown in FIG.
- FIG. 11 is a cross-sectional view taken along the line CC of the periphery of the tape lower surface urging member and the tape upper surface urging member shown in FIG. 10.
- FIG. 13 is a sectional view taken along the line CC of the periphery of the tape lower surface biasing member and the tape upper surface biasing member shown in FIG. 12. It is an operation
- FIG. 16 is a sectional view taken along line DD in the vicinity of the tape conveyance path shown in FIG. 15.
- FIG. 1 shows a component mounter 100 including a feeder 21.
- the component mounter 100 includes a board transport unit 10, a component supply unit 20, a component mounting unit 40, a reel holding unit 50, and a control device 200 that controls them.
- the substrate transport direction is the X-axis direction
- the horizontal direction perpendicular to the X-axis direction is the Y-axis direction.
- the component supply unit 20 includes a plurality of slots 20a and a plurality of feeders 21 that are detachably attached to the slots 20a.
- a plurality of slots 20a are provided in the component supply unit 20 in parallel in the X-axis direction.
- a first reel 810 and a second reel 820 around which a carrier tape 900 (see FIGS. 2 and 3A) or an embossed tape 910 (see FIGS. 2 and 3B), which will be described later, are wound, are replaceable in the reel holding unit 50. Retained.
- the first reel 810 and the second reel 820 are arranged one by one in parallel in the Y direction, and a plurality of the first reel 810 and the second reel 820 are arranged in the X direction corresponding to each feeder 21.
- a carrier tape 900 or an embossed tape 910 wound around the first reel 810 and the second reel 820 can be inserted into each feeder 21. Then, the carrier tape 900 or the embossed tape 910 wound around one reel 810 (820) is sequentially conveyed by the feeder 21 to the component take-out position 21a provided at the front end portion of the feeder 21. As a result, the component held on the carrier tape 900 or the embossed tape 910 is positioned at the component extraction position 21a. Further, the carrier tape 900 or the embossed tape 910 wound around the other reel 820 (810) is on standby without being fed by the feeder 21.
- the former is referred to as the first carrier tape 900A in order to distinguish the carrier tape 900 or embossed tape 910 being transported (in use) from the carrier tape 900 or embossed tape 910 that is waiting.
- the first embossed tape 910A may be referred to as the second carrier tape 900B or the second embossed tape 910B.
- the second carrier tape or the second embossed tape becomes the first carrier tape or the first embossed tape.
- the 1 carrier tape or the first embossed tape, the second carrier tape or the second embossed tape does not refer to a specific carrier tape or embossed tape.
- the carrier tape 900 and the embossed tape 910 accommodate a plurality of components such as electronic components in a row.
- the carrier tape 900 includes a base tape 901, a cover tape 902, and a bottom tape 903.
- the embossed tape 910 includes a base tape 904 and a cover tape 902.
- the base tapes 901 and 904 are each made of a flexible material such as paper or resin.
- a through hole 901a is formed at a central portion in the width direction of the base tape 901 of the carrier tape 900 at regular intervals in the length direction.
- An embossed portion 904a that is recessed downward at regular intervals in the length direction is formed at the center portion of the embossed tape 910 in the width direction of the base tape 904. Then, engagement holes 901b are formed through the side portions of the base tapes 901 and 904 at regular intervals in the length direction.
- the bottom tape 903 is formed flat. Between the bottom tape 903 and the through hole 901a of the base tape 901 and the cover tape 902, Components are stored in the component storage portion 901c formed in the above. Further, as shown in FIG. 3B, the embossed tape 910 accommodates a relatively large component, so that the component is accommodated in a component accommodating portion 901d formed between the embossed portion 904a of the base tape 904 and the cover tape 902. Is done.
- both sides of the cover tape 902 are bonded to both sides of the upper surfaces of the base tapes 901 and 904 by an adhesive 902a, respectively.
- the cover tape 902 is attached to the upper parts of the component storage portions 901c and 901d. Each blockade.
- the cover tape 902 prevents the components stored in the storage portions 901c and 901d from jumping out.
- the cover tape 902 is made of a transparent polymer film.
- a bottom tape 903 is bonded to the lower surface of the base tape 901 of the carrier tape 900.
- the bottom tape 903 prevents the components stored in the component storage unit 901c from falling off.
- the bottom tape 903 is made of a transparent or translucent paper material, a polymer film, or the like.
- a pair of guide rails 13 a and 13 b are provided on the base 41 of the component mounting unit 40 in the board transport unit 10, respectively.
- the substrate transport unit 10 supports a substrate B guided by the guide rails 13a and 13b and conveys the substrate B, and a substrate belt transported to a predetermined position is lifted and clamped.
- a clamping device is provided.
- the board B on which the component is mounted is conveyed to the component mounting position in the X-axis direction by the conveyor belt while being guided by the guide rails 13a and 13b of the board conveying unit 10.
- the board B transported to the component mounting position is clamped at the component mounting position by the clamp device.
- the component mounting unit 40 includes a guide rail 42, a Y-axis slide 43, an X-axis slide 45, and a component mounting head 48 that holds a suction nozzle (not shown).
- the Y-axis slide 43 and the X-axis slide 45 are controlled to move in the Y-axis direction and the X-axis direction by a Y-axis servo motor and an X-axis servo motor (not shown).
- the guide rail 42 and the Y-axis slide 43 constitute a Y-axis robot.
- the guide rail 42 is mounted on the base 41 in the Y-axis direction and disposed above the substrate transport unit 10.
- the Y-axis slide 43 is provided so as to be movable along the guide rail 42 in the Y-axis direction.
- the Y-axis slide 43 is moved in the Y-axis direction via a ball screw mechanism by a Y-axis servo motor (not shown).
- the X axis slide 45 constitutes an X axis robot.
- the X-axis slide 45 is provided on the Y-axis slide 43 so as to be movable in the X-axis direction.
- the Y-axis slide 43 is provided with an unillustrated X-axis servo motor.
- the X-axis servo motor moves the X-axis slide 45 in the X-axis direction via the ball screw mechanism.
- a component mounting head 48 is provided on the X-axis slide 45.
- the component mounting head 48 detachably holds a plurality of suction nozzles (not shown). The suction nozzle sucks the component transported to the component take-out position 21a and mounts it on the substrate B positioned at the component mounting position by the substrate transport unit 10.
- the substrate camera 46 is mounted on the X-axis slide 45.
- the board camera 46 images from above the reference mark provided on the board B positioned at the board mounting position, or the parts transported to the part take-out position 21a, and acquires board position reference information and part position information.
- On the base 41 a component camera 47 capable of capturing an image of the component sucked by the suction nozzle from below is provided.
- the control device 200 controls the feeder 21 and controls the rotation of a first servo motor 22 and a second servo motor 23 of the feeder 21 described later.
- the control device 200 includes a microprocessor and a driver that supplies a drive current to the servo motors 22 and 23.
- the feeder 21 mainly includes a feeder main body 21b, a rail 38 as a tape conveyance path, an inlet pressing member 32, first and second sprockets 61 and 62 as front side sprockets, a third sprocket 63 as a rear side sprocket, and It consists of a fourth sprocket 64 and the like. 4 and 5 leave one side wall 21ba (see FIG. 7) of the feeder main body 21b (the back side in FIG. 4 and FIG. 5) and the other side wall 21bb (front side in FIG. 4 and FIG. 5). 7) is removed so that the internal structure of the feeder 21 is visible.
- the feeder main body 21b has a flat box shape.
- the feeder main body 21b is formed with a tape insertion part 21d for inserting the carrier tape 900 or the embossed tape 910 at the rear part, and a tape discharge part 21e for discharging the carrier tape 900 or the embossed tape 910 is formed at the front part.
- the tape insertion portion 21d is formed as an inlet of a tape conveyance path 38 having the same width as the tape conveyance path (rail) 38
- the tape discharge portion 21e is a tape having the same width as the tape conveyance path 38. It is formed as the exit of the conveyance path 38.
- the tape conveyance path 38 communicates with the side wall 21ba of the feeder main body 21b so as to communicate with the tape insertion portion 21d and the tape discharge portion 21e. , 21bb.
- the front portion 38a of the tape transport path 38 is formed horizontally.
- the tape transport path 38 is inclined so as to gradually increase from the rear portion to the front portion 38a.
- guide portions spaced apart by a dimension slightly larger than the width dimension of the carrier tape 900 are provided on both sides of the tape transport path 38.
- the tape transport path 38 is formed with a groove 38A through which the component storage portion 901d of the embossed tape 910 passes.
- this groove 38A there is provided a tape lower surface urging member 110 made of a strip-shaped plate spring (elastic body) extending from the tape insertion portion 21d to a stopper member 31 described later.
- the tape lower surface urging member 110 is disposed along the upper edge at a position slightly higher than the upper edge of the groove 38A, the front end portion is bent downward in an L shape, and the tip end portion is illustrated on the bottom surface of the groove 38A. The rear end is slightly bent downward at the free end.
- the reason why the rear end portion is bent downward is that the front end of the tape inserted into the tape transport path 38 is smoothly brought into contact with the upper end of the tape lower surface urging member 110 without abutting against the rear end portion of the tape lower surface urging member 110. This is for guidance.
- the tape lower surface biasing member 110 has a cantilever structure as described above, when the tape inserted into the tape transport path 38 from the tape insertion portion 21d is the carrier tape 900, the tip of the carrier tape 900 is The bottom surface of the bottom tape 903 is biased upward until reaching the fourth sprocket 64 (see FIG. 11).
- the tape lower surface urging member 110 when the tape inserted into the tape transport path 38 from the tape insertion portion 21d is the embossed tape 910, the tape lower surface urging member 110 includes the bottom tape 904 until the tip of the embossed tape 910 reaches the fourth sprocket 64. The lower surface of the embossed portion 904a is pressed downward to be deformed (see FIG. 13).
- the inlet pressing member 32 presses the carrier tape 900 or the embossed tape 910 inserted from the tape insertion portion 21d toward the tape conveyance path 38, and is close to the tape insertion portion 21d. And arranged along the upper surface of the rear portion of the tape transport path 38 so as to be detachable from the tape transport path 38.
- the inlet pressing member 32 is attached to the downstream side pressing member 33 downward from the rear part via a pair of shafts 34-2 so as to be movable in the vertical direction.
- a spring 35-2 that urges the inlet pressing member 32 downward is attached to the pair of shafts 34-2.
- the third dog 86 (corresponding to the “detecting device” of the present invention), which will be described later, faces the tape lower surface urging member 110 and before the arrangement position.
- the tape upper surface biasing member 111 has a rear end portion fixed to the lower surface of the inlet pressing member 32 with an unillustrated screw or the like, a front end portion bent downward in an L shape, and a front end portion serving as a free end. It abuts on the member 110.
- the carrier tape 900 inserted into the tape transport path 38 from the tape insertion portion 21d and passing over the tape lower surface biasing member 110 or The upper surface of the embossed tape 910 is biased downward. That is, the tip of the carrier tape 900 or the embossed tape 910 pushes up the tape upper surface urging member 111 that is in contact with the tape lower surface urging member 110, and between the tape lower surface urging member 110 and the tape upper surface urging member 111. Get in. Thereby, the tape upper surface urging member 111 urges the upper surface of the carrier tape 900 or the embossed tape 910 downward.
- the carrier tape 900 when the carrier tape 900 is easily bent, when the carrier tape 900 is inserted into the tape transport path 38 from the tape insertion portion 21d, the carrier tape 900 is in the width direction as shown in FIG. As shown in FIG. 16, one side portion of the carrier tape 900 may fall into the groove 38 ⁇ / b> A of the tape conveyance path 38. In this state, the leading end of the carrier tape 900 abuts on the third dog 86 and cannot rotate the third dog 86, and a third sensor 85 (see FIG. 5) described later (see “Detecting Device” of the present invention). It is impossible to detect that the carrier tape 900 has been inserted at a predetermined position.
- a tape lower surface urging member 110 is provided in the groove 38 ⁇ / b> A of the tape conveyance path 38, and the tape upper surface is attached to the lower surface of the inlet pressing member 32.
- a force member 111 is provided. Accordingly, even when the carrier tape 900 is easily bent, when the carrier tape 900 is inserted into the tape transport path 38 from the tape insertion portion 21d, the upper and lower surfaces of the carrier tape 900 are the tape lower surface biasing member 110 and the tape upper surface biasing member. 111.
- the carrier tape 900 can prevent one side portion from dropping into the groove 38A of the tape transport path 38, and the embossed tape 910 can move smoothly on the tape transport path 38, so that the carrier tape 900 or the embossed tape 910 can be moved.
- Each of the tips of the abutment contacts the third dog 86 and rotates the third dog 86, and the third sensor 85 can detect that the carrier tape 900 or the embossed tape 910 has been inserted into a predetermined position.
- the carrier tape 900 moves along the upper surface without rising from the upper surface of the tape transport path 38.
- the carrier tape 900 moves along the upper surface without rising from the upper surface of the tape transport path 38.
- the embossed tape 910 is transported in a state where the tape lower surface urging member 110 is deformed downward by the embossed portion 904a. It is necessary to move along the upper surface without rising from the upper surface of the path 38. For this reason, the elastic modulus of the tape lower surface urging member 110 is formed to be smaller than the elastic modulus of the tape upper surface urging member 111.
- the downstream pressing member 33 presses the carrier tape 900 or the embossed tape 910 on the downstream side of the inlet pressing member 32, and is provided so as to be detachable from the tape transport path 38.
- the downstream pressing member 33 is attached to the first support member 30-1 and the second support member 30-2 attached to the feeder main body 21b via the shaft 34-1 so as to be movable in the vertical direction.
- a spring 35-1 for urging the downstream pressing member 33 downward is attached to the shaft 34-1.
- the first sprocket 61 and the second sprocket 62 are located at a position adjacent to the feeder main body 21 b below the front portion 38 a of the tape transport path 38, that is, adjacent to the component extraction position 21 a of the feeder main body 21 b. It is provided to be rotatable from the front to the rear (from the downstream side in the transport direction to the upstream side).
- the third sprocket 63 and the fourth sprocket 64 are provided on the feeder main body 21b below the rear portion of the tape transport path 38 so as to be rotatable from the front to the rear.
- Engagement protrusions 61a, 62a, 63a are formed on the outer circumferences of the first sprocket 61, the second sprocket 62, and the third sprocket 63, respectively, at a constant angle over the entire circumference.
- Engagement protrusions 64 a are provided on a part of the outer periphery of the fourth sprocket 64 with an interval of 180 degrees. That is, there is a portion where no engagement protrusion is formed between the engagement protrusions 64 a of the fourth sprocket 64.
- Each of the engaging protrusions 61a to 64a can be engaged with the engaging hole 901b of the carrier tape 900 or the embossed tape 910.
- the first sprocket gear 61b, the second sprocket gear 62b, the third sprocket gear 63b, and the fourth sprocket gear 64b are formed inside the outer peripheral portions of the first sprocket 61 to the fourth sprocket 64, respectively.
- unillustrated window holes are provided above the sprockets 61 to 64 in the tape transport path 38, and the engaging projections 61a to 64a enter the tape transport path 38 from the window holes.
- the first servo motor 22 is a motor that rotates the first sprocket 61 and the second sprocket 62.
- a first drive gear 22 b is provided on the rotation shaft 22 a of the first servo motor 22.
- the first gear 24 is rotatably provided on the feeder main body 21 b below the first sprocket 61 and the second sprocket 62.
- a first outer gear 24 a that meshes with the first drive gear 22 b is formed on the outer periphery of the first gear 24.
- a first inner gear 24 b is formed inside the outer periphery of the first gear 24.
- the second gear 25 is rotatably provided in the feeder main body 21b between the first sprocket 61 and the second sprocket 62 and the first gear 24.
- the second gear 25 meshes with the first sprocket gear 61b, the second sprocket gear 62b, and the first inner gear 24b.
- the second servomotor 23 is a motor that rotates the third sprocket 63 and the fourth sprocket 64.
- a second drive gear 23 b is provided on the rotation shaft 23 a of the second servomotor 23.
- the third gear 26 is rotatably provided on the feeder main body 21 b below the third sprocket 63 and the fourth sprocket 64.
- a third outer gear 26 a that meshes with the second drive gear 23 b is formed on the outer periphery of the third gear 26.
- a third inner gear 26 b is formed inside the outer periphery of the third gear 26.
- the fourth gear 27 is rotatably provided on the third sprocket 63 and the feeder main body 21b between the fourth sprocket 64 and the third gear 26.
- the fourth gear 27 meshes with the third sprocket gear 63b, the fourth sprocket gear 64b, and the third inner gear 26b.
- the operation lever 51 is provided so as to protrude rearward above the tape insertion portion 21d at the rear portion of the feeder main body 21b, and is supported so as to be rotatable around a pivot 52.
- the lever operating grip portion 57 (see also FIG. 4) is formed so as to protrude rearward from the rear portion of the feeder main body 21b above the operating lever 51.
- the operation lever 51 is housed in the lever operation gripping portion 57 so that the operator can easily operate the operation knob 51b with his / her hand while holding the lever operation gripping portion 57 with his palm, and the operation knob 51b side is operated with the lever. It is provided so as to protrude from the gripping portion 57 for use.
- the inlet pressing member 32 is operatively connected to the operation lever 51 as will be described later.
- the inlet pressing member 32 is provided with an engaging member 54 between the pair of shafts 34-2.
- An operation engagement portion 51 a that engages with the lower surface of the engagement member 54 of the inlet pressing member 32 is formed in the central portion of the operation lever 51.
- the operation lever 51 is rotated counterclockwise in FIG. 5 by the urging force of the spring 55, and normally holds the operation engagement portion 51a in the lowered position, and the inlet pressing member 32 is urged by the spring 35-2. To contact the tape transport path 38.
- the inlet pressing member 32 prevents the carrier tape 900 or the embossed tape 910 from being inserted from the tape insertion portion 21d.
- the inlet pressing member 32 is activated. It is raised against the urging force of the spring 35-2 via the engaging portion 51a. Thereby, the inlet pressing member 32 is separated from the tape conveyance path 38, and the carrier tape 900 or the embossed tape 910 can be inserted from the tape insertion portion 21d.
- a baffle plate 56 for closing the tape insertion portion 21d is pivotally supported at the rear portion of the inlet pressing member 32.
- the baffle plate 56 prevents the carrier tape 900 or the embossed tape 910 from being inserted between the tape transport path 38 and the inlet pressing member 32.
- the baffle plate 56 is engaged with the rear portion of the downstream pressing member 33 and rotated to open the tape insertion portion 21d.
- a stopper member 31 is provided adjacent to the downstream side of the inlet pressing member 32.
- the stopper member 31 is pivotable with a shaft support portion 31b formed at the center thereof being pivotally supported by the downstream pressing member 33.
- An abutting portion 31 a that protrudes downward is formed at a lower portion of the stopper member 31 in front of the shaft support portion 31 b.
- the rear end of the stopper member 31 is a stop portion 31c.
- a spring (not shown) that urges the abutting portion 31 a in a direction to abut against the tape transport path 38 is provided.
- a protrusion 31d that protrudes upward is formed in the upper part of the stopper member 31 in front of the shaft support 31b, and a cam follower 31e is provided at the tip of the protrusion 31d.
- a cam portion 51c formed at the front portion of the operation lever 51 is detachably engaged with the cam follower 31e.
- the cam portion 51c formed on the operation lever 51 engages with the cam follower 31e of the stopper member 31, and the stopper member 31 is illustrated. It is rotated counterclockwise in FIG. 5 against the urging force of a substantially spring, and the stop portion 31 c comes into contact with the tape transport path 38. Accordingly, when the carrier tape 900 or the embossed tape 910 is inserted from the tape insertion portion 21d in a state where the operation lever 51 is rotated against the urging force of the spring 55, the tip of the carrier tape 900 or the embossed tape 910 is inserted. Comes into contact with the stop portion 31c of the stopper member 31 and is stopped at a predetermined position.
- the contact part is formed by the first carrier tape 900A or the first embossed tape 910A.
- 31 a is lifted, and the stop portion 31 c of the stopper member 31 is brought into contact with the tape transport path 38. Therefore, when the second carrier tape 900B or the second embossed tape 910B is inserted on the first carrier tape 900A or the first embossed tape 910A from the tape insertion portion 21d by the operator in this state, the second carrier tape The tip of 900B or the second embossed tape 910B comes into contact with the stop portion 31c of the stopper member 31 and is stopped. Thereby, the downstream conveyance of the 2nd carrier tape 900B or the 2nd embossed tape 910B is blocked
- the first sensor 81 that detects the insertion of the carrier tape 900 or the embossed tape 910 is attached to the feeder body 21b.
- the first sensor 81 turns on the first sensor 81 when the first dog 82 protruding from the upper surface of the tape transport path 38 is lowered by the insertion of the carrier tape 900 or the embossed tape 910.
- the first dog 82 is normally held at a position protruding from the upper surface of the tape transport path 38 by a biasing force of a spring (not shown), and is pressed downward when the carrier tape 900 or the embossed tape 910 is inserted. .
- the feeder main body 21b operates when the second sensor 83 that detects that the operation lever 51 is rotated and the carrier tape 900 or the embossed tape 910 is conveyed to the tape conveying path 38 on the fourth sprocket 64.
- a third sensor 85 is attached.
- the second sensor 83 is turned on by a second dog 84 attached to the operation lever 51.
- the third sensor 85 is turned on by the rotation of the third dog 86.
- the third dog 86 is pivotable with a shaft support 86a formed at the center thereof being pivotally supported by the downstream pressing member 33.
- the third dog 86 is normally biased counterclockwise in FIG. 5 by a spring (not shown).
- the third sensor 85 When the third sensor 85 is turned on by the rotation of the third dog 86 and detects the carrier tape 900 or the embossed tape 910, the third sensor 85 outputs a rotation instruction signal for the lever 51 for lowering the inlet pressing member 32. Output to. Accordingly, the carrier tape 900 or the embossed tape 910 can be reliably pressed by the inlet pressing member 32.
- the feeder main body 21b on the downstream side (the rear end side of the feeder 21) of the third sprocket 63 detects the presence or absence of the carrier tape 900 or the embossed tape 910, and sends the detection signal to the control unit 39.
- the 4th sensor 65 which outputs to is provided.
- the fourth sensor 65 is a sensor that detects a boundary portion between the first carrier tape 900A or the first embossed tape 910A and the second carrier tape 900B or the second embossed tape 910B.
- a fifth sensor 66 that detects the presence or absence of the carrier tape 900 or the embossed tape 910 in the feeder main body 21b on the upstream side of the second sprocket 62 (the front end portion side of the feeder 21) and outputs the detection signal to the control unit 39. Provided.
- the levitation preventing member 28 is provided along the tape conveyance path 38 between the third sprocket 63 and the second sprocket 62.
- a shaft support portion 28a is formed at the front end of the levitation prevention member 28.
- the shaft support portion 28a is supported by a shaft portion 21c provided in the feeder main body 21b so that the levitation prevention member 28 can swing.
- a guide portion 28 b bent upward is formed at the rear end of the levitation preventing member 28.
- the torsion spring 29 is attached to the feeder main body 21b above the anti-floating member 28 and urges the anti-floating member 28 downward. By this torsion spring 29, the lower surface of the anti-floating member 28 is brought into close contact with the upper surface of the tape transport path 38.
- the tape peeling device 70 is provided on the front upper portion of the feeder main body 21b, peels the cover tape 902 from the carrier tape 900 or the embossed tape 910, and can take out components from the component storage portions 901c and 901d positioned at the component extraction position 21a. Like that.
- the operation of the feeder 21 will be described with reference to FIGS.
- the first carrier tape 900A or the first embossed tape 910A is wound around the front reel 810
- the second carrier tape 900B or the second embossed tape 910B is wound around the rear reel 820.
- the operation lever 51 is held in the state shown in FIG. 8 by the urging force of the spring 55
- the inlet pressing member 32 is in contact with the tape transport path 38
- the baffle plate 56 is rotated by its own weight.
- the tape insertion portion 21d is closed.
- the operation knob 51b of the operation lever 51 is lifted by the operator.
- the second sensor 83 is operated by the second dog 84, and the operation of the operation lever 51 is detected.
- the inlet pressing member 32 is raised through the operation engagement portion 51a.
- the tape upper surface urging member 111 rises with the inlet pressing member 32 at the rear end portion in a state where the front end portion contacts the tape lower surface urging member 110.
- the inlet pressing member 32 is separated from the tape transport path 38 and the baffle plate 56 is rotated by the downstream pressing member 33.
- the tape insertion portion 21d is opened, and the carrier tape 900 or the embossed tape 910 can be inserted.
- the stopper member 31 is rotated by the cam portion 51 c by the rotation of the operation lever 51, and the stop portion 31 c is brought into contact with the tape conveyance path 38.
- the tip of the first carrier tape 900A is inserted through the tape insertion portion 21d onto the tape conveyance path 38 where the groove 38A is closed by the tape lower surface biasing member 110.
- the tip of the first carrier tape 900A is supported by the tape lower surface urging member 110, even if the first carrier tape 900A is easily bent, one side portion of the first carrier tape 900A is in the groove 38A of the tape transport path 38. None fall out.
- the tip of the first carrier tape 900A abuts against the first dog 82 and pushes down the first dog 82, so the first sensor 81 detects that the first carrier tape 900A has been inserted.
- the tip of the first carrier tape 900A pushes up the tape upper surface biasing member 111 that is in contact with the tape lower surface biasing member 110, and the tape lower surface biasing member 110 and the tape. It is inserted between the upper surface urging member 111 and a predetermined position where it comes into contact with the stop portion 31 c of the stopper member 31. At this time, the tip of the first carrier tape 900A contacts the third dog 86 and rotates the third dog 86, so the third sensor 85 confirms that the first carrier tape 900A has been inserted into a predetermined position.
- the rotation instruction signal of the lever 51 for detecting and lowering the inlet pressing member 32 is output to the control device 200.
- the tip of the first embossed tape 910A is inserted onto the tape transport path 38 through the tape insertion portion 21d.
- the embossed portion 904a moves the tape lower surface biasing member 110 into the groove 38A. Since it is pushed down to the bottom side (see FIG. 12 and FIG. 13), it moves along the tape transport path 38.
- the tip of the first embossed tape 910A contacts the first dog 82 and pushes down the first dog 82, so the first sensor 81 detects that the first embossed tape 910A has been inserted.
- the tip of the first embossed tape 910A pushes up the tape upper surface biasing member 111 that is in contact with the tape lower surface biasing member 110, and the tape lower surface biasing member 110 and the tape It is inserted between the upper surface urging member 111 and a predetermined position where it comes into contact with the stop portion 31 c of the stopper member 31.
- the tip of the first embossed tape 910A contacts the third dog 86 and rotates the third dog 86, so the third sensor 85 confirms that the first embossed tape 910A has been inserted into a predetermined position.
- the rotation instruction signal of the lever 51 for detecting and lowering the inlet pressing member 32 is output to the control device 200.
- the operation proceeds to the next operation, but since the subsequent operations are not different between the carrier tape 900 and the embossed tape 910, the description with the embossed tape 910 will be omitted and will be described with the carrier tape 900.
- the operation lever 51 is released, and the operation lever 51 is moved by the biasing force of the spring 55 as shown in FIG. It returns to the original position indicated by the two-dot chain line.
- the operation lever 51 is rotated and returned, the inlet pressing member 32 is lowered toward the tape transport path 38 and presses the inserted first carrier tape 900A toward the tape transport path 38.
- the engagement protrusion 64a of the fourth sprocket 64 is formed only on a part of the outer periphery of the fourth sprocket 64, when the engagement protrusion 64a is engaged with the engagement hole 901b of the first carrier tape 900A.
- the first carrier tape 900A is intermittently moved to the third sprocket 63 side. As a result, the first carrier tape 900A is not suddenly drawn into the third sprocket 63 side.
- the stopper member 31 and the shaft support portions 31b and 86a of the third dock 86 are raised integrally.
- the third sprocket 63 causes the first carrier tape 900A to move to the second sprocket. It is conveyed to the 62 side. Since the engagement protrusion 63a is formed on the entire outer periphery of the third sprocket 63, the first carrier tape 900A is transported to the second sprocket 62 side in a short time.
- the tip of the first carrier tape 900A enters under the levitation preventing member 28 from between the guide portion 28b and the tape transport path 38.
- the tip of the first carrier tape 900 ⁇ / b> A is transported toward the second sprocket 62 while being prevented from rising from the tape transport path 38 by the lift prevention member 28.
- the fifth sensor 66 detects the leading end of the first carrier tape 900A conveyed by the third sprocket 63
- the first servo motor 22 and the second servo motor 23 intermittently cause the sprockets 61 to 64 to move at intervals of the component pitch.
- the first carrier tape 900A When the engagement hole 901b formed in the first carrier tape 900A engages with the engagement protrusion 62a of the second sprocket 62, the first carrier tape 900A is sent to the tape peeling device 70 by the second sprocket 62, and the tape peeling device. 70, the cover tape 902 is peeled from the first carrier tape 900A. Then, when the engagement hole 901b formed in the first carrier tape 900A engages with the engagement protrusion 61a of the first sprocket 61, the components housed in the first carrier tape 900A by the first sprocket 61 are sequentially removed. 21a is positioned.
- the first carrier tape 900A When the first carrier tape 900A is being conveyed by the feeder 21, as shown in FIG. 14, the first carrier tape 900A presses the abutting portion 31a of the stopper member 31, and the stopper member 31 becomes spring 36. It is turned against the urging force. Thereby, the stop part 31c of the stopper member 31 contacts the upper surface of the first carrier tape 900A.
- the operation lever 51 is rotated (the second sensor 83 is turned on), and the tip of the second carrier tape 900B is inserted into the first carrier tape 900A and the inlet pressing member through the tape insertion portion 21d. 32. Then, the tip of the second carrier tape 900B comes into contact with the stop portion 31c of the stopper member 31, and the second carrier tape 900B is stopped at that position.
- the operation lever 51 When the operation lever 51 is released after the second carrier tape 900B is inserted, the operation lever 51 returns to the original position, but the first carrier tape 900A presses the contact portion 31a of the stopper member 31.
- the stop state of the second carrier tape 900B is maintained by the stop portion 31c of the stopper member 31. Even if the second carrier tape 900B is to be inserted from the tape insertion portion 21d without rotating the operation lever 51, the baffle plate 56 that contacts the upper surface of the first carrier tape 900A causes the second carrier tape 900B to be inserted. Insertion is blocked (see FIG. 9).
- the engagement hole 901b formed in the second carrier tape 900B is engaged with the engagement protrusion 64a of the fourth sprocket 64. Engage. Thereafter, the second carrier tape 900B enters the gap between the tape transport path 38 made by the first carrier tape 900A and the stopper member 31, and is transported toward the second sprocket 62. When the tip of the second carrier tape 900B pushes up the contact portion 31a, the stopper member 31 is rotated again against the urging force of the spring 36 as described above, and a new carrier tape 900 is formed by the stopper member 31. Intrusion is prevented.
- the carrier tape 910 in which the component storage portion 901d storing a plurality of components protrudes downward and the carrier tape 900 in which the component storage portion 901c not protruding downward is formed are inserted.
- the feeder main body 21b having a tape insertion portion 21d formed at the rear thereof and the carrier tapes 900 and 910 are transported from the rear to the front, so that both side walls 21ba of the feeder main body 21b communicate with the tape insertion portion 21d.
- a groove 38A is formed through which the component storage portion 901d passes when the carrier tape 900, 910 having the protruding component storage portion 901d is transported.
- the carrier tape 910 A tape lower surface urging member 110 that urges the lower surface of the carrier tape 900 is provided when the carrier tape 900 has a component storage portion 901c that is pressed downward and deforms downward.
- the carrier tape 900 having the non-projecting component storage portion 901c is easily bent, when the carrier tape 900 is inserted into the tape transport path 38 from the tape insertion portion 21d, the carrier tape 900 has the tape lower surface attached to the tape lower surface. It is supported by the urging member 110. Therefore, it is possible to prevent one side portion of the carrier tape 900 from dropping into the groove 38A of the tape transport path 38.
- the feeder 21 is provided on the feeder main body 21b, and the inlet pressing member 32 that presses the carrier tapes 900 and 910 inserted from the tape insertion portion 21d toward the tape transport path 38, and the lower surface of the inlet pressing member 32 is biased to the tape.
- a tape upper surface biasing member 111 that is provided to face the member 110 and biases the upper surfaces of the carrier tapes 900 and 910 inserted from the tape insertion portion 21d.
- the upper and lower surfaces of the carrier tapes 900 and 910 are sandwiched between the tape lower surface urging member 110 and the tape upper surface urging member 111, so that the carrier tapes 900 and 910 can move smoothly on the tape transport path 38.
- the tape lower surface urging member 110 and the tape upper surface urging member 111 are made of an elastic body, and since the elastic modulus of the tape lower surface urging member 110 is smaller than the elastic modulus of the tape upper surface urging member 111, the carrier tape 900 When the tape upper and lower surfaces are sandwiched between the tape lower surface urging member 110 and the tape upper surface urging member 111, the tape can move along the upper surface without rising from the upper surface of the tape transport path 38.
- the embossed tape 910 is transported in a state where the tape lower surface urging member 110 is deformed downward by the embossed portion 904a. It can move along the upper surface without rising from the upper surface of the path 38.
- the feeder 21 is provided in the feeder main body 21b on the downstream side of the fourth sprocket 64 in the tape conveyance path 38, and the carrier tapes 900 and 910 inserted from the tape insertion portion 21d come into contact with each other to contact the carrier 21
- a third sensor 85 and a third dog 86 for detecting the tapes 900 and 910 are provided. Since the tape upper surface urging member 111 is provided at least up to the position where the third sensor 85 and the third dog 86 are disposed, the tips of the carrier tapes 900 and 910 are surely applied to the third sensor 85 and the third dog 86. Can be touched.
- the feeder 21 includes a rotatable lever 51 that is provided on the feeder main body 21b and raises the inlet pressing member 32 when the carrier tapes 900 and 910 are inserted from the tape insertion portion 21d.
- the third sensor 85 and the third dog 86 detect the carrier tapes 900 and 910, the third sensor 85 and the third dog 86 output a rotation instruction signal for the lever 51 for lowering the inlet pressing member 32. 900 and 910 can be pressed down reliably.
- the tape lower surface urging member 110 and the tape upper surface urging member 111 are provided. However, only the tape lower surface urging member 110 may be provided. Further, the tape upper surface urging member 111 is configured such that the front end portion is bent downward in an L shape and the upper surface of the carrier tape 900 or the embossed tape 910 is urged at the front end portion. However, depending on the ease of bending of the carrier tape 900, the carrier tape 900 is configured to bend in an L shape downward from the rear end side so that the upper surface of the carrier tape 900 is urged in a wide range at the front end portion. You may make it prevent the twist of a direction.
- the tape lower surface urging member 110 and the tape upper surface urging member 111 are configured by belt-shaped plate springs, they may be configured by attaching a plate material to an elastic body such as a compression coil spring or a rubber material.
- the present invention is not limited to the configurations described in the above-described embodiments, and can take various forms without departing from the gist of the present invention described in the claims.
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Abstract
Description
以下、本発明の実施の形態について、図面に基づいて説明する。図1は、フィーダ21を備えた部品実装機100を示し、部品実装機100は、基板搬送部10、部品供給部20、部品装着部40、リール保持部50及びそれらを制御する制御装置200を有する。なお、以下の説明においては、基板の搬送方向をX軸方向とし、X軸方向に直角な水平方向をY軸方向とする。
リール保持部50には、キャリアテープ900(図2、図3A参照)又は後述するエンボステープ910(図2、図3B参照)が巻回された第1リール810及び第2リール820が交換可能に保持される。第1リール810と第2リール820は、Y方向に並列して1つずつ配設されるとともに、各フィーダ21に対応してX方向に複数配設される。
次に、フィーダ21の構成を、図4~図7を用いて説明する。フィーダ21は、主に、フィーダ本体21b、テープ搬送路としてのレール38、入口押さえ部材32、前部側スプロケットとしての第1スプロケット61及び第2スプロケット62、後部側スプロケットとしての第3スプロケット63及び第4スプロケット64等から構成される。なお、図4及び図5は、フィーダ本体21bの一方(図4及び図5の奥側)の側壁21ba(図7参照)を残し、他方(図4及び図5の手前側)の側壁21bb(図7参照)を除去して、フィーダ21の内部構造が視認できるようにしている。
次に、上記した実施の形態に係るフィーダ21の動作について図8~図14を参照して説明する。ここで、第1キャリアテープ900A又は第1エンボステープ910Aは、前方側のリール810に巻回され、第2キャリアテープ900B又は第2エンボステープ910Bは、後方側のリール820に巻回されている。通常は、操作レバー51は、スプリング55の付勢力によって、図8に示す状態に保持され、入口押さえ部材32がテープ搬送路38に当接されているとともに、邪魔板56が自重により回動されてテープ挿入部21dを閉塞している。
上記した実施の形態のフィーダ21は、複数の部品を収納した部品収納部901dが下方に突出して形成されたキャリアテープ910及び下方に突出していない部品収納部901cが形成されたキャリアテープ900を挿入するためのテープ挿入部21dが後部に形成されるフィーダ本体21bと、キャリアテープ900,910を後方から前方に向かって搬送するため、テープ挿入部21dと連通するようにフィーダ本体21bの両側壁21ba,21bb間に設けられるテープ搬送路38と、フィーダ本体21bに回転可能に設けられ、テープ挿入部21dから挿入されるキャリアテープ900,910の係合穴901bに係合可能な係合突起64aを有し、当該キャリアテープ900,910をテープ搬送路38に沿って送出する第4スプロケット64と、を備える。
上記した実施の形態においては、テープ下面付勢部材110及びテープ上面付勢部材111を設ける構成としたが、テープ下面付勢部材110のみを設ける構成としてもよい。また、テープ上面付勢部材111は、前端部が下方にL字状に曲折されて先端部でキャリアテープ900又はエンボステープ910の上面を付勢する構成とした。しかし、キャリアテープ900の撓み易さによっては、後端部側から下方にL字状に曲折する構成として前端部でキャリアテープ900の上面を広い範囲で付勢する構成とし、キャリアテープ900の幅方向の捩れを防止するようにしてもよい。
また、テープ下面付勢部材110及びテープ上面付勢部材111は、帯状の板バネで構成したが、例えば圧縮コイルバネやゴム材等の弾性体に板材を貼着したもので構成してもよい。
本発明は上記した実施の形態で述べた構成に限定されるものではなく、特許請求の範囲に記載した本発明の主旨を逸脱しない範囲内で種々の形態を採り得るものである。
Claims (5)
- 複数の部品を収納した部品収納部が下方に突出して形成されたキャリアテープ及び下方に突出していない部品収納部が形成されたキャリアテープを挿入するためのテープ挿入部が後部に形成されるフィーダ本体と、
前記キャリアテープを後方から前方に向かって搬送するため、前記テープ挿入部と連通するように前記フィーダ本体の両側壁間に設けられるテープ搬送路と、
前記フィーダ本体に回転可能に設けられ、前記テープ挿入部から挿入される前記キャリアテープの係合穴に係合可能な係合突起を有し、当該キャリアテープを前記テープ搬送路に沿って送出する後部側スプロケットと、を備え、
前記テープ搬送路には、前記突出する部品収納部を有するキャリアテープの搬送時に当該部品収納部を通す溝が形成され、
前記溝内には、前記テープ挿入部から挿入される前記キャリアテープが前記後部側スプロケットに至るまで、当該キャリアテープが突出する部品収納部を有するときは当該キャリアテープの下面で押圧されて下方に変形し、当該キャリアテープが突出していない部品収納部を有するときは当該キャリアテープの下面を付勢するテープ下面付勢部材が設けられる、
フィーダ。 - 前記フィーダは、
前記フィーダ本体に設けられ、前記テープ挿入部から挿入される前記キャリアテープを前記テープ搬送路に向けて押さえる入口押さえ部材と、
前記入口押さえ部材に前記テープ下面付勢部材と対向して設けられ、前記テープ挿入部から挿入される前記キャリアテープの上面を付勢するテープ上面付勢部材と、
を備える、請求項1に記載のフィーダ。 - 前記テープ下面付勢部材及び前記テープ上面付勢部材は、弾性体でなり、
前記テープ下面付勢部材の弾性率は、前記テープ上面付勢部材の弾性率よりも小さい、請求項2に記載のフィーダ。 - 前記フィーダは、
前記テープ搬送路における前記後部側スプロケットよりも搬送下流側の前記フィーダ本体に設けられ、前記テープ挿入部から挿入される前記キャリアテープの先端が当接することにより当該キャリアテープを検知する検知装置、を備え、
前記テープ上面付勢部材は、少なくとも前記検知装置の配置位置まで設けられる、請求項2又は3に記載のフィーダ。 - 前記フィーダは、
前記フィーダ本体に設けられ、前記テープ挿入部から前記キャリアテープを挿入する際に、前記入口押さえ部材を上昇させる回動可能なレバー、を備え、
前記検知装置は、前記キャリアテープを検知したら、前記入口押さえ部材を下降させるための前記レバーの回動指示信号を出力する、請求項4に記載のフィーダ。
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CN201580077479.1A CN107432109B (zh) | 2015-03-09 | 2015-03-09 | 供料器 |
PCT/JP2015/056851 WO2016143041A1 (ja) | 2015-03-09 | 2015-03-09 | フィーダ |
EP15884537.0A EP3270676B1 (en) | 2015-03-09 | 2015-03-09 | Feeder |
JP2017504463A JP6445676B2 (ja) | 2015-03-09 | 2015-03-09 | フィーダ |
US15/554,110 US10159170B2 (en) | 2015-03-09 | 2015-03-09 | Feeder |
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CN107710903B (zh) * | 2015-06-18 | 2019-11-05 | 株式会社富士 | 供料器 |
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US20180042151A1 (en) | 2018-02-08 |
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EP3270676B1 (en) | 2020-07-29 |
JP6445676B2 (ja) | 2018-12-26 |
CN107432109A (zh) | 2017-12-01 |
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