CN111417297A - Tape feeder and component mounting device - Google Patents
Tape feeder and component mounting device Download PDFInfo
- Publication number
- CN111417297A CN111417297A CN201911314182.9A CN201911314182A CN111417297A CN 111417297 A CN111417297 A CN 111417297A CN 201911314182 A CN201911314182 A CN 201911314182A CN 111417297 A CN111417297 A CN 111417297A
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- Prior art keywords
- base
- feeder
- tape
- side frames
- tape feeder
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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
- H05K13/021—Loading or unloading of containers
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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
- H05K13/0404—Pick-and-place heads or apparatus, e.g. with jaws
- H05K13/0408—Incorporating a pick-up tool
- H05K13/0409—Sucking devices
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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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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Supply And Installment Of Electrical Components (AREA)
Abstract
A tape feeder and a component mounting apparatus. In the tape feeder, by engaging the insertion groove engaging portion with the insertion groove of the feeder base, two side frames having a shape expanding in the front-rear direction and the up-down direction are mounted on the upper surface of the base mounted on the feeder base in an arrangement opposed in the width direction of the base. The tape transport path, which is a transport path for the carrier tape, is formed by opposing transport path forming portions provided on the surfaces of the two side frames facing each other. At least one of the two side frames is provided with a tape conveying section for conveying the carrier tape forward.
Description
Technical Field
The present invention relates to a tape feeder which is mounted on a feeder base of a component mounting apparatus and conveys a carrier tape in which components are accommodated to supply the components, and a component mounting apparatus including the tape feeder.
Background
A conventional component mounting apparatus includes a component supply unit configured to supply a component, and a mounting head configured to pick up the component supplied by the component supply unit and mount the component on a substrate. As a component supply unit, a tape feeder is known which conveys a carrier tape in which components are enclosed by a tape conveying unit and supplies the components to a predetermined component supply position. The tape feeder can be mounted on and used detachably with respect to a feeder base of a component mounting apparatus, and can efficiently supply components of various sizes (width-direction sizes). In the case where the size of the supplied component is large, the width of the carrier tape becomes large in accordance with this, and therefore, a tape feeder capable of carrying a carrier tape having a large width is also required for the tape feeder.
In this way, a plurality of kinds of tape feeders are required in accordance with the width direction size of the carrier tape, but there is known a tape feeder capable of realizing the generalization of components among the above-mentioned plurality of tape feeders and thereby reducing the manufacturing cost. Such a tape feeder is disclosed in, for example, japanese patent No. 4795310 (hereinafter referred to as patent document 1). In the tape feeder disclosed in patent document 1, a side cover with a spacer is mounted on a side surface of a feeder main body mounted with a slot engaging portion engaged with a slot of a feeder base. The tape feeder can make the feeder main body and the side cover as common parts (common use) regardless of the width-direction dimension of the carrier tape. The interval between the feeder main body and the side cover is changed by replacing the spacer different in the width direction dimension. Thereby, the width-direction dimension of the tape supply path formed between the feeder main body and the side cover can be changed.
Disclosure of Invention
A tape feeder according to an aspect of the present invention is mounted on a feeder base having a slot, and conveys a carrier tape in which a component is enclosed forward on a conveyance path to supply the component to a component supply position. The tape feeder has a base and two side frames. The base part is provided with an upper surface and a lower surface, and the slot clamping part clamped with the slot is arranged on the lower surface. The tape feeder is mounted on the feeder base by engaging the slot engaging portion with the slot. The two side frames have a shape expanding in the front-rear direction and the up-down direction of the base portion, and are attached to the upper surface of the base portion so as to face each other in the width direction of the base portion. The two side frames have conveyance path components on surfaces facing each other, and the conveyance paths are formed by facing the conveyance path components. At least one of the two side frames is provided with a tape conveying section for conveying the carrier tape forward.
A component mounting apparatus according to an aspect of the present invention includes the tape feeder, and a mounting head that picks up a component supplied by the tape feeder and mounts the component on a substrate.
According to the present invention, it is possible to provide a tape feeder capable of realizing a generalization of parts to reduce manufacturing cost and suppressing occurrence of a shift in a component supply position due to vibration, and a component mounting apparatus including the tape feeder.
Drawings
Fig. 1 is a main part configuration diagram of a component mounting apparatus according to an embodiment of the present invention.
Fig. 2A is a perspective view of a feeder base on which a tape feeder of the embodiment of the present invention is mounted.
Fig. 2B is a perspective view showing the opposite side of the first wall portion of the feeder base shown in fig. 2A.
Fig. 3 is a side view of a tape feeder provided in the component mounting apparatus according to the embodiment of the present invention.
Fig. 4 is a perspective view of the tape feeder of the embodiment of the present invention.
Fig. 5 is a perspective view of a part of a carrier tape carried by the tape feeder of the embodiment of the present invention.
Fig. 6 is an exploded perspective view of the tape feeder of the embodiment of the present invention.
Fig. 7 is a sectional view of a tape feeder of the embodiment of the present invention.
Fig. 8 is a sectional view of a tape feeder of the embodiment of the present invention.
Fig. 9A is a side view showing a part of the tape feeder of the embodiment of the present invention together with a wall portion which the tape feeder has.
Fig. 9B is a side view showing a state in which a part of the tape feeder shown in fig. 9A is engaged with a wall portion of the tape feeder.
Fig. 10 is a perspective view of the tape feeder of the embodiment of the present invention.
Fig. 11 is an exploded perspective view of the tape feeder of the embodiment of the present invention.
Fig. 12 is a sectional view of a tape feeder of the embodiment of the present invention.
Fig. 13 is a perspective view of a base portion of a tape feeder according to a first modification of the embodiment of the present invention.
Fig. 14 is a perspective view of a base portion of a tape feeder according to a second modification of the embodiment of the present invention.
Fig. 15A is a sectional view of the tape feeder in a state where the side frame is disposed at the first mounting position in the second modification of the embodiment of the present invention.
Fig. 15B is a sectional view of the tape feeder in a state where the side frame is disposed at the second mounting position in the second modification of the embodiment of the present invention.
Fig. 15C is a sectional view of the tape feeder in a state where the side frame is disposed at the third mounting position in the second modification of the embodiment of the present invention.
Detailed Description
Before describing the embodiments of the present invention, the process of completing the present invention will be briefly described.
In the tape feeder described in patent document 1, the feeder main body directly mounted on the feeder base supports the entire body including other parts (the spacer, the side cover, and the like). Therefore, there are problems as follows: the stability of the tape feeder with respect to the feeder base is insufficient to easily cause vibration, so that there is a risk that the component supply position is shifted from the set position and pickup by the mounting head is erroneous.
Accordingly, the present invention is intended to provide a tape feeder capable of reducing manufacturing cost by realizing the generalization of components and suppressing the generation of the deviation of the component supply position due to the vibration, and a component mounting apparatus including the tape feeder.
Hereinafter, embodiments of the present invention will be described with reference to the drawings. Fig. 1 is a component mounting apparatus 1 according to an embodiment of the present invention, which includes a base 11, a substrate conveying unit 12, a tape feeder 13, a head moving mechanism 14, a mounting head 15, and a component camera 16. The component mounting apparatus 1 is an apparatus that repeatedly performs the following operations: a substrate KB conveyed from an apparatus (for example, a solder printer or other component mounting apparatus) on the upstream process side (not shown) is carried in and positioned at a working position, and after components BH are mounted on a plurality of electrodes (not shown) provided on the substrate KB, the substrate KB is carried out to an apparatus (for example, other component mounting apparatus, inspection machine, reflow furnace or the like) on the downstream process side.
In fig. 1, the substrate conveying unit 12 includes a pair of conveyors 12a extending on the base 11 in the left-right direction (referred to as the X-axis direction) as viewed from the operator OP. The substrate transport unit 12 transports the substrate KB in the X-axis direction by simultaneously driving the pair of conveyors 12a, and positions the substrate KB at the operation position.
In fig. 1, a feeder carriage 21 that is movable on a floor surface F is connected to an end portion of the base 11 in a front-rear direction (referred to as a Y-axis direction) as viewed from an operator OP. The feeder carriage 21 has a feeder base 22 at an upper portion thereof.
In fig. 2A, 2B, a plurality of slot forming blocks 22B are provided side by side in the X-axis direction on the upper surface of the feeder base 22. The insertion groove forming blocks 22B are members elongated in the Y-axis direction, and are fixed to the upper surface of the feeder base 22 at equal intervals. A groove-like insertion groove 22S extending in the Y-axis direction on the feeder base 22 is formed between the adjacent insertion groove forming blocks 22B. That is, in the present embodiment, the plurality of slots 22S aligned in the X-axis direction are formed by the slot forming blocks 22B adjacent in the X-axis direction and the space therebetween. As shown in fig. 2A and 2B, a locking lever 22P (see also fig. 3) extending in the X-axis direction is provided at the rear of the feeder base 22.
In fig. 3 and 4, two slot engagement portions 13S each formed of an elongated rail-like member extending in the Y-axis direction are provided on the lower surface of the tape feeder 13. The tape feeder 13 can be mounted to the feeder base 22 by inserting the above-described two insertion groove engaging portions 13S into the two insertion grooves 22S on the feeder base 22 from the rear toward the front in the horizontal direction (i.e., in the Y-axis direction).
A plurality of tape feeders 13 may be mounted side by side in the X-axis direction on the feeder base 22. The tape feeders 13 mounted on the feeder base 22 are connected to the base 11 by the feeder carriages 21 being linked to the base 11, respectively.
In fig. 2A, 2B, and 3, two wall portions are provided on the feeder base 22 at positions close to and opposed to the front end portion of the tape feeder 13 mounted on the feeder base 22. The two wall portions include a first wall portion 25 on the depth side (rear side) as viewed from the operator OP and a second wall portion 26 on the near side (front side) as viewed from the operator OP. The first wall portion 25 is larger in height dimension than the second wall portion 26.
In fig. 2A and 2B, a plurality of first engagement holes 25H that open rearward are provided in the upper portion of the first wall portion 25 so as to correspond to the positions of the respective insertion grooves 22S (i.e., so as to be aligned in the X-axis direction). As shown in fig. 2B, a lower portion of the first wall portion 25 serves as a relief portion 25A.
As shown in fig. 2A, an opening 26G that penetrates the second wall portion 26 in the thickness direction (Y-axis direction) is provided in a lower portion of the second wall portion 26. In fig. 2A and 2B, the top surface of the opening 26G becomes an inclined surface 26S that becomes lower as it goes deeper. Further, a plurality of second engaging holes 26H opened rearward are provided in the upper portion of the second wall portion 26 so as to correspond to the positions of the respective slots 22S.
The tape feeder 13 mounted on the feeder base 22 conveys (pitch-feeds) the carrier tape 23 inserted from the rear end portion forward, thereby supplying the component BH to a predetermined component supply position 13a (fig. 1 and 3). As shown in fig. 1, a reel 24 around which the carrier tape 23 in which the components BH are enclosed is rotatably held, and the carrier tape 23 is fed from the reel 24 to a tape insertion port 13K at the rear end portion of the tape feeder 13.
In fig. 5, the carrier tape 23 includes a base tape 31 and a top tape 32 attached to an upper surface of the base tape 31. Base tape 31 is provided with grooves 31P recessed downward at a constant interval in the longitudinal direction. Feed holes 31H are provided at a constant interval in the longitudinal direction (i.e., along the row of the grooves 31P) at one end side in the width direction of the base tape 31. One member BH is housed in each pocket 31P. The members BH are enclosed in the grooves 31P by the top tape 32, respectively.
In fig. 4 and 6, the tape feeder 13 has a base 41, side frames 42, a plurality of coupling members (a front end portion coupling member 43 and a rear portion coupling member 44), and a top tape stripping unit 45. The base 41 is constituted by a plate-like member having an upper surface 41a and a lower surface 41 b. The two slot engaging portions 13S are provided at the front portion of the lower surface 41b of the base portion 41. A fixing mechanism 51 is attached to the rear portion of the lower surface 41b of the base 41. A tape guide 52 is attached to the rear of the fixing mechanism 51.
In fig. 6, the base 41 has a rectangular shape with the X-axis direction as the width direction and the Y-axis direction as the transport direction of the carrier tape 23 as the front-rear direction. The two slot engaging portions 13S each have a shape extending in the front-rear direction of the base portion 41. That is, if the carrier tape 23 is conveyed in a first direction (front-rear direction), the width direction is a second direction parallel to the upper surface 41a or the lower surface 41b of the base 41 and orthogonal to the first direction. The vertical direction of the base 41 is a third direction orthogonal to the first direction and the second direction.
The two slot engagement portions 13S provided on the lower surface 41b of the base 41 are arranged at the following intervals: two of the plurality of insertion grooves 22S formed side by side in the X-axis direction on the upper surface of the feeder base 22 can be horizontally inserted from the rear of the feeder base 22. Therefore, the two insertion groove engagement portions 13S can be engaged with the two insertion grooves 22S of the feeder base 22, whereby the base 41 can be mounted on the feeder base 22.
In fig. 6, the fixing mechanism 51 is attached to the rear portion of the lower surface 41b of the base 41 by a screw S1. The fixing mechanism 51 includes a hook 51F that swings in the vertical direction by the operation of the operation unit 51S. The hook 51F is positioned between the two slot engaging portions 13S in the X-axis direction. More preferably, the intermediate position between the two slot engaging portions 13S.
As described above, the locking lever 22P provided to extend in the X-axis direction is provided at the rear of the feeder base 22, and the base 41 (i.e., the entire tape feeder 13) can be fixed to the feeder base 22 by operating the operating portion 51S to hook the hook portion 51F to the locking lever 22P in a state where the base 41 is mounted to the feeder base 22.
In fig. 4 and 6, the two side frames 42 have shapes that expand in the front-rear direction (Y-axis direction) and the vertical direction (Z-direction) of the base portion 41, respectively. The two side frames 42 are attached to the upper surface 41a of the base 41 in such a manner as to face each other in the width direction (X-axis direction) of the base 41.
The two side frames 42 include a left side frame 42A (first side frame) positioned on the left side when viewed from the operator OP side (rear side), and a right side frame 42B (second side frame) positioned on the right side. The two side frames 42 are attached to the upper surface 41a of the base 41 by a plurality of screws S2 attached from the lower surface side of the base 41, respectively (fig. 7).
In fig. 6 and 7, each of the two side frames 42 includes an outer panel 61 positioned on the outer side and a conveyance path configuration portion 62 provided on the inner surface (the surface on the side where the two outer panels 61 face each other) of the outer panel 61. A first protrusion 42P (fig. 4 and 6) protruding forward is provided at a front end portion of one of the left and right side frames 42 (here, the left side frame 42A). The first projection 42P is positioned above the left slot engaging portion 13S.
In fig. 3, 6, and 7, the upper surfaces of the conveyance path constituting parts 62 respectively included in the two side frames 42 are belt supporting surfaces 62A that support the left and right end portions of the carrier belt 23 from above. By attaching the two side frames 42 to the upper surface 41a of the base 41 in a posture in which the conveyance path constituting parts 62 face each other, a belt conveyance path 63 as a conveyance path for the carrier tape 23 is formed in a region between the two side frames 42 (upper region of the two opposed conveyance path constituting parts 62).
In fig. 4, 6, and 7, a sprocket 64 is provided on the upper portion of the left side frame 42A, and the sprocket 64 serves as a tape conveying portion for carrying the carrier tape 23 in the tape conveying path 63 forward. The sprocket 64 has a plurality of feed pins 64P (fig. 5) on the outer periphery thereof, and is intermittently rotationally driven by a sprocket drive motor (not shown) in a direction in which the uppermost feed pin 64P moves forward (arrow R shown in fig. 5, referred to as a sprocket rotation direction).
In fig. 4 and 6, the front end portion connecting member 43 includes a front end portion upper connecting member 43A that connects upper portions of the front end portions of the two side frames 42 attached to the upper surface 41a of the base portion 41, and a front end portion lower connecting member 43B that connects lower portions of the front end portions of the pair of side frames 42. The rear connecting member 44 is a rod-shaped member that connects upper portions of the rear end portions of the pair of side frames 42.
In fig. 4, 6, and 8, a belt pressing member 65 is provided at a position above the front end side of each of the two side frames 42 (a position above the sprocket 64 in the left side frame 42A). The tape pressing members 65 press, from above, both left and right end portions of a region of a front end portion one tape (specifically, a tape near the component supply position 13 a) of the side frame 42 in the carrier tape 23 conveyed through the tape conveying path 63. Therefore, a space 66 (fig. 7) between the belt supporting surface 62A and the belt pressing member 65 constitutes a part of the belt conveying path 63 in the vicinity of the front end of each of the two side frames 42.
In fig. 3, the rear end portion of the tape conveying path 63 formed between the two side frames 42 is the entrance of the tape conveying path 63, i.e., the aforementioned tape insertion port 13K. When the operator OP inserts the carrier tape 23 into the tape transport path 63 from the tape insertion port 13K and gradually pushes the carrier tape 23 forward, the front end of the carrier tape 23 passes through the space 66 between the tape supporting surface 62A and the tape pressing member 65 and reaches above the sprocket 64, and the feed hole 31H of the carrier tape 23 is engaged with the feed pin 64P located at the uppermost portion of the sprocket 64.
When the sprocket 64 is rotated in the sprocket rotation direction after the feed hole 31H of the carrier tape 23 is engaged with the feed pin 64P at the uppermost portion of the sprocket 64, the carrier tape 23 is conveyed forward (arrow a shown in fig. 3 and 5). Here, the tape guide 52 provided at the rear of the base 41 has a function of guiding the carrier tape 23 to the entrance of the tape conveying path 63, and the carrier tape 23 is guided by the tape guide 52 and smoothly introduced from the reel 24 into the tape conveying path 63. The carrier tape 23 having passed through the tape pressing member 65 is discharged from the front end portions of the two side frames 42 to the outside of the tape feeder 13 through the aforementioned escape portion 25A formed in the feeder base 22 (fig. 3).
In fig. 3, 4, and 6, the top tape peeling unit 45 is provided above the middle portions of the left and right side frames 42 so as to straddle the left and right side frames 42. The top tape peeling unit 45 peels the top tape 32 from the carrier tape 23 conveyed forward in the tape conveying path 63, and then pulls the peeled top tape 32 rearward to collect it. Therefore, the carrier tape 23 is in a state where the top tape 32 is removed before reaching the component supply position 13a, and the concave groove 31P reaching the component supply position 13a is in a state of being opened upward.
When the tape feeder 13 of such a structure is mounted on the feeder base 22, the operator OP horizontally inserts the two insertion groove engaging portions 13S provided on the lower surface of the base 41 from the rear of the feeder base 22 into the two insertion grooves 22S located at the corresponding positions among the plurality of insertion grooves 22S formed on the upper surface of the feeder base 22. Thereby, the two insertion grooves 22S move forward in the corresponding insertion grooves 22S, and the two abutment projections TK provided on the lower surface of the front end portion lower side coupling member 43B enter the opening 26G provided in the second wall portion 26 of the feeder base 22 so as to open rearward. Here, as described above, the top surface of the opening 26G is the inclined surface 26S that becomes lower as it goes deeper. Therefore, the abutting projection TK of the tape feeder 13 mounted on the feeder base 22 abuts with the top surface of the opening 26G, thereby restricting further forward movement (fig. 9A → 9B), thereby achieving positioning of the tape feeder 13 relative to the feeder base 22 (fig. 9B).
In this way, in the present embodiment, the inclined surface 26S provided in the opening 26G of the second wall portion 26 serves as a stopper that performs positioning by abutting against the abutting projection TK of the tape feeder 13 (inserted into the insertion groove 22S of the feeder base 22) mounted on the feeder base 22.
After the tape feeder 13 is positioned with respect to the feeder base 22, the operator OP hooks (arrow B shown in fig. 3) the hook portion 51F to the locking lever 22P of the feeder base 22 by operating the operating portion 51S of the fixing mechanism 51 provided to the base portion 41. Thereby, the tape feeder 13 is fixed to the feeder base 22.
As described above, in the process of inserting the insertion groove engaging portion 13S into the insertion groove 22S to position the tape feeder 13 on the feeder base 22, the first projection 42P is fitted into the first engaging hole 25H from behind. The first projection 42P is provided at the front end of the side frame 42 (left side frame 42A), and the first engagement hole 25H is provided in the first wall portion 25 so as to open rearward. In this way, in a state where the base 41 is attached to the feeder base 22, the first projection 42P is engaged with the first engaging hole 25H.
In addition, in the process of inserting the insertion groove engagement portion 13S into the insertion groove 22S to position the tape feeder 13 on the feeder base 22, the second projection 43P is fitted into the second engagement hole 26H from behind. The second projection 43P is provided on the front end lower side coupling member 43B of the front end coupling members 43 that couple the front ends of the two side frames 42. The second engagement hole 26H is provided in the second wall portion 26 so as to open rearward. In this way, in a state where the base 41 is attached to the feeder base 22, the second projection 43P is engaged with the second engaging hole 26H.
Here, as described above, when the tape feeder 13 is mounted on the feeder base 22, the operator OP operates the operation portion 51S to hook the hook portion 51F to the catch lever 22P, but at this time, the hook portion 51F is slightly displaced toward the operator OP, and therefore, the tape feeder 13 is pressed and fixed to the two wall portions (the first wall portion 25 and the second wall portion 26) by this displacement. Since the hook 51F is positioned between the two slot engaging portions 13S, the force bias at the time of fixing can be reduced. Thereby, particularly the wide tape feeder 13 can be stably fixed to the feeder base 22.
In fig. 1, the head moving mechanism 14 is constituted by, for example, an orthogonal coordinate robot, and moves the fitting head 15 in a horizontal plane. A plurality of suction nozzles 15a are attached to the mounting head 15 in a state of extending downward. Each suction nozzle 15a can perform a movement in the vertical direction (referred to as the Z-axis direction) and a rotation around the Z-axis with respect to the mounting head 15. The mounting head 15 is capable of adsorbing and picking up the component BH by bringing the lower end portion of the suction nozzle 15a from above into proximity and suctioning the component BH supplied to the component supply position 13a by the tape feeder 13.
In fig. 1, the component camera 16 is attached to the base 11 in a posture in which the imaging field of view is directed upward. The fitting head 15 that has picked up the part BH passes above the part camera 16, and the part camera 16 recognizes the part BH. The mounting head 15 moves above the substrate KB after recognizing the part BH by the part camera 16, and mounts the part BH to the electrode on the substrate KB positioned at the working position. A series of component mounting operations of the component mounting apparatus 1 is executed by a control device CTR (fig. 1) included in the component mounting apparatus 1.
As described above, in the tape feeder 13 of the present embodiment, on the upper surface 41a of the base 41 mounted to the feeder base 22 by engaging the insertion groove engaging portion 13S with the insertion groove 22S of the feeder base 22, the two side frames 42 having a shape expanding in the front-rear direction and the up-down direction are mounted to the upper surface of the base 41 in an arrangement facing each other in the width direction of the base 41. And has the following structure: a tape transport path 63 as a transport path for the carrier tape 23 is formed by opposing the transport path constituting portions 62 provided on the surfaces of the two side frames 42 facing each other, and a sprocket 64 as a tape transport portion for transporting the carrier tape 23 on the tape transport path 63 forward is provided on at least one of the two side frames 42.
Therefore, in the tape feeder 13 of the present embodiment, the two side frames 42 are used as common parts (common parts), and the width-directional dimension of the tape conveying path 63 can be changed only by changing the other base portion 41 and the like to a configuration having a different dimension in the width direction (X-axis direction). Thereby, the tape feeders 13 corresponding to the plural kinds of carrier tapes 23 different in size in the width direction can be manufactured at low cost.
The tape feeder 13 shown in fig. 10 and 11 is an example using a base portion 41 having a larger width direction (X-axis direction) than the width direction dimension of the above-described tape feeder 13 (shown in fig. 4 and 6). By increasing the width-direction dimension W of the base portion 41 (fig. 4 and 10), the distance between the two side frames 42 increases, and the maximum width TM of the belt conveying path 63 can be increased (fig. 7 and 12). This enables the carrier tape 23 having a larger width than that of the tape feeder 13 to be transported and the components BH having a larger size to be supplied. When the distance between the two side frames 42 is increased and the interchangeability of the coupling members (the front end portion coupling member 43 and the rear portion coupling member 44) and the top-belt peeling unit 45 cannot be ensured, the members having the appropriate width-directional dimensions are replaced.
In the tape feeder 13 of the present embodiment, the insertion groove engaging portion 13S that engages with the insertion groove 22S is provided in the base portion 41 to which the two side frames 42 are attached. Therefore, by adopting an arrangement structure in which the entire tape feeder 13 can be stably supported such as by arranging the slot engaging portions 13S at positions facing the center of the base 41 in the width direction, the stability of the tape feeder 13 with respect to the feeder base 22 can be improved, and positional deviation of the component supply position 13a due to vibration can be suppressed.
In the tape feeder 13 of the present embodiment, the first protrusion 42P provided on the side frame 42 (left side frame 42A) is engaged with the engaging hole (first engaging hole 25H) of the wall portion (first wall portion 25) provided on the feeder base 22 side in a state where the base 41 is mounted on the feeder base 22. Further, the second protrusion 43P provided on the front end portion connecting member 43 (the front end portion lower side connecting member 43B) is engaged with an engaging hole (the second engaging hole 26H) provided on a wall portion (the second wall portion 26) of the feeder base 22. Therefore, the front end portion of the tape feeder 13 in the state of being mounted on the feeder base 22 is in a relatively rigidly fixed state with respect to the wall portions (the first wall portion 25 and the second wall portion 26), that is, with respect to the feeder base 22. Therefore, it is possible to effectively prevent the leading end portion of the tape feeder 13 from swinging due to vibration, and to further enhance the effect of suppressing the generation of the positional deviation of the component supply position 13 a. In particular, the first projection 42P is provided at the upper portion of the front end portion of the side frame 42 at a position close to the component supply position 13a, and therefore the above-described effect is extremely remarkable.
Fig. 13 is a diagram showing a first modification of the aforementioned tape feeder 13, and is a diagram showing only the base portion 41 (reference numeral is set to 41A) which the tape feeder 13 has. The tape feeder 13 of the first modification differs from the aforementioned tape feeder 13 only in the point that the mounting position of the abutment projection TK is not the front end portion linking member 43 but the front end portion of the base portion 41A. That is, in the first modification, the abutment projection TK is provided at the front end portion of the base portion 41A so as to project forward, and in a state where the base portion 41A is mounted on the feeder base 22, the abutment projection TK abuts on the inclined surface 26S as a stopper of a wall portion (second wall portion 26) provided at the feeder base 22. This configuration can also obtain the same effects as those of the aforementioned tape feeder 13.
Fig. 14, 15A, 15B, and 15C are views showing the second modification of the tape feeder 13 described above, and only the base 41 (reference numeral is 41B) of the tape feeder 13 is shown, in the second modification, as shown in fig. 14, three of the first mounting position (small spacing position L1), the second mounting position (intermediate spacing position L2), and the third mounting position (large spacing position L3) are prepared as positions where the right side frame 42B can be mounted on the base 41B, and for the right side frame 42B, any one of the three positions (small spacing position L1, intermediate spacing position L2, and large spacing position L3) can be selected and mounted on the upper surface 41a of the base 41B.
Specifically, as shown in fig. 14, when the distance from the attachment position L0 of the left side frame 42A to the small spacing position L1 on the base portion 41B is set to the first distance W1, the distance from the attachment position L0 to the intermediate spacing position L2 is set to the second distance W2, and the distance from the attachment position L0 to the large spacing position L3 is set to the third distance W3, W1 < W2 < W3., and therefore the width-direction distances of the two belt conveying paths 63 when the left side frame 42A is attached to the attachment position L O are T1 (fig. 15A), T2 (fig. 15B), and T3 (fig. 15C), respectively, and when the right side frame 42B is attached to the small spacing position L1, the intermediate spacing position L2, and the large spacing position L3, respectively (T1 < T2 < T3).
In this way, in the second modification, the mounting position of one of the two side frames 42 on the base portion 41B can be changed in the direction (X-axis direction) in which the interval between the two side frames 42 is changed. Therefore, one base portion 41B can be adapted to a plurality of types of carrier tapes 23 having different dimensions in the width direction, and the base portion 41 can be shared by both side frames 42, which can further reduce the manufacturing cost.
Here, the mounting position of only one of the two side frames 42 (the right side frame 42B) to the base portion 41B can be changed, but the mounting position of both the two side frames 42 to the base portion 41B may be changed. That is, at least one of the two side frames 42 may be capable of changing the mounting position on the base portion 41B in a direction in which the interval between the two side frames 42 changes. That is, the two side frames 42 are selectively attached to the base portion 41B at the respective first attachment positions or the respective second attachment positions. When the two side frames 42 are attached to the first attachment position, the interval between the two side frames 42 is a first interval, and when the two side frames 42 are attached to the second attachment position, the interval between the two side frames 42 is a second interval different from the first interval.
As described above, in the tape feeder 13 of the present embodiment and the component mounting apparatus 1 including the tape feeder 13, the insertion groove engaging portion 13S that engages with the insertion groove 22S of the feeder base 22 is provided in the base portion 41 to which the two side frames 42 are respectively attached. Therefore, by arranging the slot engaging portion 13S at a stable position with respect to the center in the width direction of the base portion 41, 41A, 41B, the stability of the tape feeder 13 with respect to the feeder base 22 can be improved. Therefore, it is possible to suppress the occurrence of positional deviation of the component supply position due to vibration, which is a problem when the structure is made to be able to cope with a plurality of types of carrier tapes 23 having different dimensions in the width direction by sharing the side frames 42.
In addition, in a state where the bases 41, 41A, 41B are mounted on the feeder base 22, the projections (the first projection 42P and the second projection 43P) provided to the side frame 42 and the front end portion connecting member 43 are engaged with the engaging holes (the first engaging hole 25H and the second engaging hole 26H) provided in the wall portions (the first wall portion 25 and the second wall portion 26) of the feeder base 22. Therefore, the tape feeder 13 is firmly fixed to the feeder base 22. Therefore, it is possible to effectively prevent the leading end portion of the tape feeder 13 from swinging due to vibration, thereby further improving the effect of suppressing the generation of the positional deviation of the component supply position 13 a.
The embodiments of the present invention have been described above, but the present invention is not limited to the above-described embodiments, and various modifications are possible. For example, in the above-described embodiment, the sprocket 64 as a tape conveying unit for conveying the carrier tape 23 on the tape conveying path 63 forward is provided on the left side frame 42A, but the sprocket 64 may be provided on the right side frame 42B. Alternatively, the left side frame 42A and the right side frame 42B may be provided. That is, the belt conveying unit may be provided on at least one of the two side frames 42. The shape of the side frame 42, the structure of the carrier tape 23, the structure of the connecting member, and the like shown in the above embodiments are merely examples, and are not limited to the above embodiments.
The invention provides a tape feeder capable of realizing generalization of components to reduce manufacturing cost and inhibiting deviation of component supply position caused by vibration, and a component mounting device comprising the tape feeder.
Claims (10)
1. A tape feeder is mounted on a feeder base having an insertion slot, and conveys a carrier tape in which components are enclosed forward on a conveyance path to supply the components to a component supply position,
the tape feeder is provided with:
a base having an upper surface and a lower surface, a slot engaging portion that engages with the slot being provided on the lower surface, and the base being mounted to the feeder base by the slot engaging portion engaging with the slot; and
two side frames having a shape expanding in the front-rear direction and the up-down direction of the base portion and attached to the upper surface of the base portion so as to face each other in the width direction of the base portion,
the two side frames each have a conveyance path configuration portion on a surface facing each other, the conveyance path being formed by facing the conveyance path configuration portions,
at least one of the two side frames is provided with a tape conveying section for conveying the carrier tape forward.
2. The tape feeder according to claim 1,
a fixing mechanism is provided at the base to fix the base in a state of being mounted to the feeder base.
3. The tape feeder according to claim 1,
a first protrusion protruding forward is provided at a front end portion of at least one of the two side frames,
the feeder base has a wall portion at a position opposed to a front end portion of the tape feeder mounted to the feeder base,
the first projection is engaged with a first engaging hole provided in the wall portion in a state where the base is mounted to the feeder base.
4. The tape feeder according to claim 3,
the first protrusion is provided on an upper portion of the front end portion of at least one of the two side frames.
5. The tape feeder according to claim 1,
the tape feeder is further provided with a front end portion coupling member that couples front end portions of the two side frames,
the front end part connecting member is provided with a second protrusion protruding forward,
the feeder base has a wall portion at a position opposed to a front end portion of the tape feeder mounted to the feeder base,
the second protrusion is engaged with a second engaging hole provided in the wall portion in a state where the base is mounted to the feeder base.
6. The tape feeder according to claim 1,
the tape feeder is further provided with a front end portion coupling member that couples front end portions of the two side frames,
the front end part connecting member is provided with an abutting projection projecting forward,
the feeder base has a wall portion at a position opposed to a front end portion of the tape feeder mounted to the feeder base,
the abutting projection abuts against a stopper provided at the wall portion in a state where the base is mounted to the feeder base.
7. The tape feeder according to claim 1,
an abutment projection projecting forward is provided at a front end portion of the base,
the feeder base has a wall portion at a position opposed to a front end portion of the tape feeder mounted to the feeder base,
the abutting projection abuts against a stopper provided at the wall portion in a state where the base is mounted to the feeder base.
8. The tape feeder according to claim 1,
a tape guide for guiding the carrier tape to an entrance of the carrier path is provided at a rear portion of the base.
9. The tape feeder according to any one of claims 1 to 8,
the two side frames are selectively attached to the base portion at respective first attachment positions or respective second attachment positions, and when the two side frames are attached to the first attachment positions, the interval between the two side frames is a first interval, and when the two side frames are attached to the second attachment positions, the interval between the two side frames is a second interval different from the first interval.
10. A component mounting apparatus includes:
the tape feeder of claim 1; and
a mounting head that picks up the component supplied by the tape feeder and mounts the component on a substrate.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019000419A JP7232980B2 (en) | 2019-01-07 | 2019-01-07 | Tape feeder and component mounter |
| JP2019-000419 | 2019-01-07 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111417297A true CN111417297A (en) | 2020-07-14 |
| CN111417297B CN111417297B (en) | 2023-09-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911314182.9A Active CN111417297B (en) | 2019-01-07 | 2019-12-18 | Tape feeder and component mounting device |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP7232980B2 (en) |
| CN (1) | CN111417297B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114340372A (en) * | 2020-09-29 | 2022-04-12 | 松下知识产权经营株式会社 | Parts feeder and parts mounting apparatus |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112584692A (en) * | 2020-10-16 | 2021-03-30 | 杭州启电科技有限公司 | Be applied to chip mounter's flight and reach mounting structure |
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Also Published As
| Publication number | Publication date |
|---|---|
| JP2020109797A (en) | 2020-07-16 |
| JP7232980B2 (en) | 2023-03-06 |
| CN111417297B (en) | 2023-09-29 |
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