JP6754373B2 - Splicing device - Google Patents

Description

The present invention relates to a splicing device.

Generally, in an electronic component mounting machine, a reel in which a carrier tape containing a plurality of electronic components (hereinafter, simply referred to as "components") is wound is loaded on a tape feeder and fed to the carrier tape. By driving the sprocket that engages with the hole, the carrier tape is sent out in fixed quantities to sequentially supply the components to the component supply position, and these components are attracted by the suction nozzle and mounted on the substrate.

In this type of electronic component mounting machine, when the remaining amount of parts stored in one reel is low, the remaining amount of the carrier tape wound around another reel containing the same type of parts is low. The so-called splicing, which is connected to the end of the carrier tape by a splicing tape, is performed by a splicing device.

For example, the splicing device described in Patent Document 1 has a first cutting device that cuts an unnecessary portion of the rear end portion of the carrier tape of the first reel, and a first cutting device that cuts an unnecessary portion of the tip end portion of the carrier tape of the second reel. The two cutting devices include a cutting device and a joining device for joining the splicing tape across the rear end of the cut carrier tape of the first reel and the tip of the carrier tape of the second reel.

International Publication No. 2012/060514

In the conventional splicing device, since the first cutting device and the second cutting device are each provided with a drive device, the device tends to be large in size, consume a large amount of energy, and increase the cost of parts.

An object of the present invention is to provide an energy-saving and low-cost splicing device that can be miniaturized.

In order to achieve the above object, the splicing apparatus of the present invention feeds the first carrier tape containing the parts, positions the first carrier tape at the first cutting position, and then the cut end portion of the first carrier tape. The first positioning device for positioning the splicing position and the second carrier tape containing the parts are sent in a direction approaching the first carrier tape to position the second carrier tape at the second cutting position, and then. A second positioning device for positioning the cut end of the second carrier tape at the splicing position is provided.

Further, the first cutting blade that cuts the unnecessary portion of the first carrier tape positioned at the first cutting position by the first positioning device and the unnecessary portion of the second carrier tape positioned at the second cutting position by the second positioning device are separated. A second cutting blade for cutting, a driving device for driving the first cutting blade and the second cutting blade, and a cutting end of the first carrier tape and a cutting end of the second carrier tape positioned at splicing positions, respectively. It is provided with a joining device for joining the splicing tape across the blades. One drive device shifts the drive timings of the first cutting blade and the second cutting blade to start cutting the first carrier tape and the second carrier tape at different timings.

According to this, since the splicing device is configured to drive the first cutting blade and the second cutting blade with one driving device, the first cutting blade and the second cutting blade are driven by the two driving devices, respectively. It is possible to reduce the size as compared with the configuration, and it is possible to suppress an increase in energy consumption and component cost.

It is a perspective view which shows the whole of the splicing apparatus which shows the embodiment of this invention. It is a figure which shows the closed holding device which closes and holds the lid body of a splicing device. It is a figure which shows the tape feeder suitable for carrying out this invention. It is a figure which shows the carrier tape held in the tape feeder. It is sectional drawing which cut along the 5-5 line of FIG. It is a figure which shows the sticking state of the splicing tape to the base tape in the splicing tape supply member. It is a figure which shows the state which the lid body of a splicing apparatus is opened. It is a figure which shows the state which attached the splicing tape supply member to the splicing apparatus. It is a figure which shows the state which exposed the inside by removing the apparatus main body and the lid body of a splicing apparatus. It is a top view of the carrier tape connected by a splicing apparatus. It is a perspective view which shows the cutting apparatus which cuts a carrier tape. It is a figure which shows the cutting blade of a cutting apparatus. It is a figure which shows the film peeling member of the top film peeling apparatus which peels a top film from a splicing tape supply member. It is a figure which shows the splicing tape supply member transfer device which feeds a splicing tape supply member. It is a perspective view which shows the joining device which joins a splicing tape to a carrier tape. It is a top view which shows the joining device. It is a front view seen from the direction of the arrow 17 of FIG. It is a right side view seen from the direction of the arrow 18 of FIG. It is a left side view seen from the arrow 19 direction of FIG. It is a figure which shows the schematic structure of the splicing apparatus. It is an operation state diagram of FIG. 20 which shows the positioning process of the cutting part of a carrier tape. It is an operation state diagram of FIG. 20 which shows the cutting process of the cutting part of the carrier tape. It is an operation state diagram of FIG. 20 which shows the positioning process of a carrier tape to a splicing position. It is a figure which shows the cam of the drive device of a cutting device. FIG. 24A is a diagram showing an elevating state of a cutting blade of a cutting device with respect to rotation of the cam of FIG. 24A. It is sectional drawing which shows the relationship between the carrier tape and splicing tape at a splicing position. It is a figure which shows the film peeling member of the top film peeling apparatus before peeling a top film from a splicing tape supply member. It is a figure which shows the film peeling member of the top film peeling apparatus after peeling a top film from a splicing tape supply member. It is sectional drawing which cut along the line 27-27 of FIG. It is an operation state diagram of FIG. 27A immediately before connecting a carrier tape. FIG. 27A is an operating phase diagram of FIG. 27A after the carrier tape is connected. It is a figure which shows another form of the cam of the drive device of a cutting device. FIG. 28A is a diagram showing an elevating state of a cutting blade of a cutting device with respect to rotation of another form of the cam of FIG. 28A.

(1. Outline configuration of splicing device)
Hereinafter, a schematic configuration of the splicing apparatus according to the embodiment of the present invention will be described with reference to the drawings. The detailed configuration of the splicing device will be described later. As shown in FIG. 1, the splicing device 20 is rotatably supported by a box-shaped device main body 21 and a device main body 21 around a pivot 23 (see FIG. 2) to open and close the upper surface of the device main body 21. A lid 22 and a closing holding device 24 (see FIG. 2) that holds the lid 22 in the closed state during the splicing operation are provided. The splicing device 20 can be moved between tape feeders 10 (see FIG. 3) which are mounted on a trolley or the like (not shown) and mounted on an electronic component mounting machine.

The splicing device 20 replaces the terminal portion of the carrier tape T (see FIGS. 4 and 5) wound around the current reel 12 (see FIG. 3) mounted on the tape feeder 10 in the electronic component mounting machine. It is a device that automatically connects to the start end portion of the carrier tape T wound around 12.

That is, the splicing device 20 abuts the carrier tape T of the current reel 12 and the carrier tape T of the next reel 12 inserted from both sides of the device main body 21 at the center of the device main body 21 to abut the splicing tape supply member TT (FIG. 6) to splicing. The lid 22 is manually closed during splicing and automatically opened when the carrier tape T is taken out after splicing.

As shown in FIG. 2, the closure holding device 24 is installed on the device main body 21 and rotatably supports the solenoid 25 that can operate the operating rod 25a in the vertical direction and the device main body 21 about the support shaft 26. It is mainly composed of a hook 27 which is rotated by a solenoid 25 and an engaging pin 28 which is provided on the lid 22 so as to project downward and engages with the hook 27 in a disengageable manner.

An opening spring 29 for urging the lid 22 in the opening direction is provided between the device main body 21 and the lid 22, and when the hook 27 and the engaging pin 28 are disengaged, the lid is released. The opening 22 is automatically released by the opening spring 29. The opening spring 29 constitutes an opening operating device that operates the lid 22 in the opening direction when the closing holding device 24 is released.

Further, although not shown, a dog is provided on the lid body 22, and a closing confirmation sensor operated by the dog is provided on the device main body 21. The closing confirmation sensor is operated by the dog when the lid 22 is closed, and it is confirmed that the lid 22 is closed based on the ON signal of the closing confirmation sensor.

Then, when the lid 22 is closed by the operator and the closing confirmation sensor is turned on by the dog, the operating rod 25a of the solenoid 25 is operated upward in FIG. 2 based on the ON signal, and the hook 27 is moved. It is rotated and engaged with the engagement pin 28. As a result, the lid 22 is held in the closed state by the closing holding device 24.

When the two carrier tapes T1 and T2 are connected to each other by the splicing tape 30 and a connection completion signal is issued from the control device 59 (see FIG. 1), the operating rod 25a of the solenoid 25 is operated downward in FIG. To. As a result, the hook 27 is rotated to release the engagement with the engaging pin 28, and the lid 22 is automatically released by the urging force of the opening operating device (opening spring) 29.

(2. Outline configuration of tape feeder)
As shown in FIG. 3, a reel 12 around which the carrier tape T is wound is detachably attached to the tape feeder 10. The carrier tape T wound around the reel 12 is sent out to the tape feeder 10 in fixed quantities, and one component e (see FIGS. 4 and 5) is provided at the component supply position 17 provided at the tip of the tape feeder 10. The fixed quantity feed mechanism 18 for supplying is built in. The metering feed mechanism 18 is rotatably supported by the main body of the tape feeder 10 and rotates the sprocket 19 that engages with the feed hole Hc (see FIGS. 4 and 5) of the carrier tape T and the sprocket 19 by one pitch. It is equipped with a motor shown in the figure.

(3. Outline configuration of carrier tape)
As shown in FIGS. 4 and 5, the carrier tape T is formed to be elongated with a predetermined width, and a large number of cavities Ct are arranged in the longitudinal direction at a constant pitch interval Pc, and these cavities Ct are formed on a substrate. The parts e to be mounted are stored respectively.

The upper part of the cavity Ct is open and covered with the cover tape Tt attached to the surface of the carrier tape T. On one end side of the carrier tape T in the width direction, feed holes Hc are formed with the same pitch interval Pc as the cavity Ct or a pitch interval 2Pc twice the cavity Ct, and these feed holes Hc are located at a fixed position with the cavity Ct. Placed in a relationship.

The carrier tape T used in the electronic component mounting machine is composed of a plurality of types in which the pitch intervals of the cavities Ct are different from each other, and the pitch interval of the cavities Ct and the relationship between the cavities Ct and the feed hole Hc are determined by the types of the carrier tape T. Be done. Therefore, by recognizing the pitch interval of the cavity Ct by image processing or the like, it is possible to grasp what kind of carrier tape T it is. Then, based on this, the position of the feed hole Hc of the carrier tape T can be recognized, and the cutting position of the carrier tape T at the time of splicing, which will be described later, can be determined.

(4. Schematic configuration of splicing tape supply member)
As shown in FIG. 6, the splicing tape supply member TT forms a three-layer structure of the splicing tape 30, the base tape 31, and the top film 32. The splicing tape 30 is composed of a set of splicing tapes 30a and 30b for the front surface and the back surface which are adhered to both sides of the two carrier tapes T on the upper surface of the continuous base tape 31. That is, the splicing tape 30 is a set of a front splicing tape 30a bonded to the front surface side of the two carrier tapes T and a back surface splicing tape 30b bonded to the back surface side of the two carrier tapes T. is there.

A set of splicing tapes 30 for the front surface and the back surface has a constant pitch in the longitudinal direction of the base tape 31 while maintaining a constant positional relationship with the feed holes 31a drilled at regular pitch intervals on both sides of the base tape 31. It is attached with an interval Pd. Further, one set of splicing tapes 30 is arranged with a predetermined interval Pd1 with the surface splicing tape 30a on the leading side.

Then, a continuous top film 32 is adhered to the upper surface of the splicing tape 30. Metal powder is embedded in the splicing tape 30, and the splicing device 20 detects the splicing tape 30 by a tape detection sensor (not shown) capable of detecting metal.

The adhesive force between the top film 32 and the base tape 31 adhered to both sides of the splicing tape 30 is stronger than that of the base tape 31, and even if the top film 32 is peeled off from the splicing tape 30, the splicing tape 30 Is prevented from peeling off from the base tape 31. However, when the carrier tape T is adhered to the adhesive surface of the splicing tape 30 from which the top film 32 has been peeled off, the adhesive force thereof is stronger than the adhesive force to the base tape 31, and the base tape 31 is peeled off from the splicing tape 30. It's easy.

The width direction dimension of the base tape 31 is larger than the width direction dimension of the top film 32, and both ends of the base tape 31 in the width direction are projected from both ends of the top film 32 in the width direction. On the other hand, the width direction dimension of the splicing tape 30 is equal to the width direction dimension of the top film 32, and the splicing tape 30 is attached to the base tape 31 inside the feed hole 31a. A plurality of positioning holes 31b are formed in the base tape 31 at positions close to the surface splicing tape 30a at the same pitch intervals as the feed holes Hc formed in the carrier tape T along the width direction of the base tape 31.

Further, in the back surface splicing tape 30b, a plurality of positioning holes 30b1 are formed through the base tape 31 at the same pitch interval as the feed holes Hc formed in the carrier tape T along the width direction of the base tape 31. The feed hole 31a and the positioning hole 31b formed in the base tape 31 are adjusted to form the positioning hole 30b1 in the back surface splicing tape 30b after the splicing tape 30 is attached to the base tape 31 at a predetermined position. It is formed by a punching press or the like.

(5. Detailed configuration of splicing device)
As shown in FIGS. 7 and 8, the splicing devices 20 include the first and second tape feeding devices 50 and 51, the first and second component detecting devices 52 and 53, and the first and second cutting devices 54, 55, the first and second take-in devices 56, 57, the supply reel holding part 38 (corresponding to the "holding part" of the present invention), the top film peeling device 35, the splicing tape feeding member conveying device 36, It includes a joining device 58, a control device 59 (see FIG. 1), and the like.

1st and 2nd tape feeding devices 50, 51, 1st and 2nd component detecting devices 52, 53, 1st and 2nd cutting devices 54, 55, 1st and 2nd capturing devices 56, 57, splicing tape supply The member transfer device 36, the joining device 58 (excluding a part), and the control device 59 are housed and arranged inside the device main body 21 and the lid 22. The supply reel holding portion 38 and the top film peeling device 35 (excluding a part) are arranged on the outside of the back surface of the device main body 21.

That is, as shown in FIG. 9, the first and second tape feeding devices 50 and 51 are arranged on both sides of the device main body 21 and the lid 22, respectively, and the first and second tape feeding devices 50 and 51 The first and second cutting devices 54 and 55 are arranged between them, respectively. Further, the first and second capture devices 56 and 57 are arranged between the first and second cutting devices 54 and 55, respectively, and the joining device 58 is arranged between the first and second capture devices 56 and 57, respectively. Is placed.

Further, the first and second component detecting devices 52 and 53 are above the first and second detection positions Ld1 and Ld2 of the first and second transport paths 60a and 60b of the first and second tape feeding devices 50 and 51. Is placed in. Further, as shown in FIG. 8, a supply reel holding portion 38, a top film peeling device 35, and a splicing tape supply member conveying device 36 are arranged on a line crossing the splicing position LS. In the following description, the two carrier tapes T to be spliced are referred to as first and second carrier tapes T1 and T2.

As shown in FIG. 9, the first and second tape feeding devices 50 and 51 convey the first and second carrier tapes T1 and T2 along the first and second conveying paths 60a and 60b, and in FIG. The first and second cutting points Q1 and Q2 of the first and second carrier tapes T1 and T2 shown are sequentially positioned at the first and second cutting positions Lc1 and Lc2 and the splicing position LS. That is, the first and second tape feeding devices 50 and 51 function as the first and second positioning devices.

The first and second tape feeding devices 50 and 51 include first and second transport paths 60a and 60b and first and second transport paths 60a and 60b provided so as to extend horizontally from both side surfaces of the device main body 21 toward the center. The first and second sprockets 61a and 61b arranged below the transport paths 60a and 60b are provided.

Further, detection of the first and second stepping motors 62a and 62b connected to the first and second sprockets 61a and 61b and the first and second sprocket teeth arranged in the vicinity of the first and second sprockets 61a and 61b. The devices 63a and 63b and the first and second tape detection devices 64a and 64b arranged above the first and second transfer paths 60a and 60b are provided.

The first and second transport paths 60a and 60b have a width slightly wider than the widths of the first and second carrier tapes T1 and T2 shown in FIG. 10, and are provided on both side surfaces of the apparatus main body 21. From the tape inlets 84a and 84b to the first and second cutting positions Lc1 and Lc2 of the first and second carrier tapes T1 and T2 by the first and second cutting blades 68a and 68b of the first and second cutting devices 54 and 55. It is formed in a groove shape that extends in a straight line.

The first and second sprockets 61a and 61b have a plurality of first and second sprockets having the same pitch as the pitch Ph of the first and second feed holes Hc1 and Hc2 drilled in the first and second carrier tapes T1 and T2 shown in FIG. 1. The second teeth 67a and 67b are formed in the circumferential direction. The first and second sprockets 61a and 61b are inserted into the first and second feed holes Hc1 and Hc2 of the first and second carrier tapes T1 and T2 inserted along the first and second transport paths 60a and 60b. It is arranged below the first and second transport paths 60a and 60b so that they can be meshed with each other.

The first and second sprocket tooth detection devices 63a and 63b indicate that the first and second sprockets 61a and 61b are in their original positions on the side surfaces of the first and second sprockets 61a and 61b. It is detected by reading the second marks M1 and M2.
The first and second tape detection devices 64a and 64b detect that the first and second carrier tapes T1 and T2 have been inserted from the first and second tape inlets 84a and 84b provided on both side surfaces of the device main body 21. To do.

The first and second component detection devices 52 and 53 have the first and second cavities Ct1 of the first and second carrier tapes T1 and T2 shown in FIG. 10 which are conveyed through the first and second transfer paths 60a and 60b. The tape portion between Ct2, the first and second cavities Ct1 and Ct2 and the first and second parts e1 and e2 in the first and second cavities Ct1 and Ct2 are detected.

The first and second cutting devices 54 and 55 cut the first and second unnecessary portions Tf1 and Tf2 at the first and second cutting points Q1 and Q2 of the first and second carrier tapes T1 and T2 shown in FIG. To do. As the first cutting point Q1 (second cutting point Q2), for example, the first cavity Ct1 (second cavity Ct2) and the first part e1 (second part e2) having the first part e1 (second part e2). An intermediate position with the empty first cavity Ct1 (second cavity Ct2) is selected.

As shown in FIG. 11, the first and second cutting blade units 54 and 55 are one driving device for driving the first and second cutting blade units 71a and 71b and the first and second cutting blade units 71a and 71b. 72 and. Since the first and second cutting devices 54 and 55 are configured to drive the first and second cutting blade units 71a and 71b with one drive device 72, the first and second cutting devices are driven by the two drive devices. Compared with the configuration in which the blade units 71a and 71b are driven, the size can be reduced, and the increase in energy consumption and component cost can be suppressed.

The first and second cutting blade units 71a and 71b hold the first and second cutting blades 68a and 68b and the first and second cutting blades 68a and 68b provided at the first and second cutting positions Lc1 and Lc2. The first and second holding members 69a and 69b and the first and second supporting members 70a and 70b for supporting the first and second holding members 69a and 69b are provided.

As shown in FIG. 12, as the first and second cutting blades 68a and 68b, those formed in the same shape are used. As a result, the replacement cost of the first and second cutting blades 68a and 68b due to the wear of the cutting blades 68a and 68ba of the first and second cutting blades 68a and 68b is symmetrical with respect to the first and second cutting blades 68a and 68b. The cost can be suppressed as compared with the case of forming into a shape.

The cutting blades 68aa and 68ba of the first and second cutting blades 68a and 68b are formed in a shape inclined downward from the left end to the right end of FIG. 12 with respect to the horizontal direction. As a result, the first and second cutting blades 68a and 68b have a small resistance at the time of cutting, so that the first and second carrier tapes T1 and T2 can be easily cut.

As shown in FIG. 11, the first and second holding members 69a and 69b are formed in a square columnar shape so that the cutting blades 68aa and 68ba of the first and second cutting blades 68a and 68b project downward from the lower surface. Holds the first and second cutting blades 68a and 68b. The first and second holding members 69a and 69b are supported by the first and second holding members so that both side surfaces can slide in the vertical direction and the upper surface can slide with the first and second cams 701a and 701b described later. It is supported by the members 70a and 70b. On the lower surface side of the first and second holding members 69a and 69b, a pair of first and second pressing springs 73a and 73b whose lower ends are attached to both outer sides of the first and second transport paths 60a and 60b, respectively. The upper end is attached.

The first and second support members 70a and 70b are formed in an arm shape, and a rotating shaft for opening and closing the lid 22 is fitted into the shaft holes 70ha and 70hb provided at one end thereof to be rotatably supported. Then, the first support member 70a and the second support member 70b are connected by the connecting member 70 at a predetermined interval.

The connecting member 70 is fixed to the lid body 22, and the first and second support members 70a and 70b rotate around the shaft holes 70ha and 70hb with the lid body 22 being opened and closed. The first and second support members 70a and 70b slidably support the first and second holding members 69a and 69b in the vertically extending grooves 70da and 70db provided at the other end.

The first and second holding members 69a and 69b and the first and second support members 70a and 70b are symmetrical with respect to a plane passing through the splicing position LS at right angles to the feeding directions of the first and second carrier tapes T1 and T2. It is composed of shaped members. As a result, the first and second holding members 69a and 69b and the first and second support members 70a and 70b can be compactly configured.

The drive device 72 includes first and second cams 701a and 701b that can be slidably contacted with the first and second holding members 69a and 69b, and one gear motor 702 that is connected to the first and second cams 701a and 701b. A dog 703 (corresponding to the "detection device" of the present invention) that can rotate with the rotation of the first and second cams 701a and 701b, and a dog detection device 704 (the "detection device" of the present invention) that detects the rotational state of the dog 703. Equivalent to).

The first and second cams 701a and 701b are formed in a disk shape and are eccentrically fitted to both ends of the cam shaft 705. The cam shaft 705 is fixed to the first and second support members 70a and 70b so that the peripheral edges of the first and second cams 701a and 701b and the upper surfaces of the first and second holding members 69a and 69b can be slidably contacted with each other. It is rotatably supported by the camshaft support members 706a and 706b.

Although the details will be described later, when the distance between the horizontal plane passing through the eccentric center CC and the peripheral edge points in contact with the upper surfaces of the first and second holding members 69a and 69b is the shortest in the first and second cams 701a and 701b. The first and second cutting blades 68a and 68b are located at top dead center, and the distance between the horizontal plane passing through the eccentric center CC and the peripheral point in contact with the upper surfaces of the first and second holding members 69a and 69b is the longest. At that time, the first and second cutting blades 68a and 68b are located at the bottom dead center.

The second cam 701b is fitted to the cam shaft 705 with a predetermined angle, for example, 30 degrees out of phase with respect to the first cam 701a. As a result, the time point at which the first cutting blade 68a cuts the first carrier tape T1 that receives the most cutting resistance and the time point at which the second cutting blade 68b cuts the second carrier tape T2 that receives the most cutting resistance can be shifted. Therefore, the rotational force of the camshaft 705 can be reduced, and a small output gear motor 702 can be used. However, if there is a margin in the output of the gear motor 702, the first and second cams 701a and 701b may be fitted to the cam shaft 705 in the same phase.

The gear motor 702 is a shared motor that rotates the first and second cams 701a and 701b, and is fixed to the motor support member 707 fixed to the lid 22. Then, the gear 708 rotatably fitted to the motor shaft together with the motor shaft of the gear motor 702 is meshed with the gear 709 rotatably fitted to the cam shaft 705 together with the cam shaft 705. As a result, the driving force of the gear motor 702 is transmitted to the cam shaft 705 via the gears 708 and 709 to rotate the first and second cams 701a and 701b.

The dog 703 is formed in a disk shape and is rotatably fitted to the cam shaft 705 together with the cam shaft 705. The dog detection device 704 is fixed to the lid 22 so as to sandwich both side surfaces of the dog 703 at intervals. The dog detection device 704 detects the origin mark m attached to the side surface of the dog 703 by, for example, reflected light. The origin mark m is set so as to indicate, for example, that the first cutting blade 68a is located at the top dead center when detected by the dog detection device 704. As a result, the first and second carrier tapes T1 and T2 can be cut with high accuracy.

The first and second capture devices 56 and 57 capture the first and second unnecessary portions Tf1 and Tf2 to be cut of the first and second carrier tapes T1 and T2, respectively. That is, the first carrier tape T1 (second carrier tape T2) in which the empty first cavity Ct1 (second cavity Ct2) after cutting is connected becomes the first and first unnecessary portion Tf1 (second unnecessary portion Tf2). 2 It is taken into the take-in devices 56 and 57 and discarded.

As shown in FIG. 9, the first and second intake devices 56 and 57 are provided between the first and second cutting positions Lc1 and Lc2 and the splicing position LS, and the first and second fixing members 78a, The first and second intake members 75a and 75b rotatably supported by the 78b and the first and second intake member rotating devices 76a that rotate the first and second intake members 75a and 75b, It is equipped with 76b and the like.

The first and second unnecessary portions Tf1 and Tf2 of the first and second carrier tapes T1 and T2 transported on the first and second transport paths 60a and 60b to the first and second capture members 75a and 75b. The first and second openings 80a and 80b for taking in the above, and the first and second ducts 82a and 82b for guiding the first and second unnecessary portions Tf1 and Tf2 to the abandoned portion shown in the drawing are formed.

The first and second intake members 75a and 75b are held at the original positions shown by the alternate long and short dash lines in FIG. 20 when the first and second unnecessary portions Tf1 and Tf2 are incorporated. Further, when the first and second carrier tapes T1 and T2 are conveyed to the splicing position LS, as shown by the solid line in FIG. 20, the first and second capture member rotating devices 76a and 76b rotate the first and second carrier tapes T1 and T2 by a predetermined angle. The first and second movable transport paths 79a and 79b that are moved and formed on the first and second capture members 75a and 75b are aligned with the first and second transport paths 60a and 60b.

As shown in FIG. 8, the supply reel holding portion 38 is attached to the apparatus main body 21 and rotatably supports the supply reel 33 in which the splicing tape supply member TT is wound in a roll shape. The supply reel holding portion 38 is pressed against the supply reel 33 by a predetermined frictional force due to a spring force, and the supply reel holding portion 38 limits the rotation of the supply reel 33 with respect to the supply reel holding portion 38. Then, when the base tape 31 is pulled by an acting force that overcomes the frictional force, the supply reel 33 can rotate with respect to the supply reel holding portion 38.

The top film peeling device 35 includes a film peeling member 351 and a top film conveying device 352. As shown in FIG. 13, the film peeling member 351 is formed in a plate shape and is arranged in front of the splicing position LS in the transport direction of the splicing tape supply member TT.

That is, when the top film 32 is peeled off from the base tape 31 and brought into contact with the tip portion 351a (the end portion on the right side in the drawing) of the film peeling member 351, only one set of splicing tape 30 positioned at the splicing position LS The film peeling member 351 is arranged so as to be exposed.

At the rear end of the film peeling member 351, a roller 351b is provided on which the peeled top film 32 is bridged and guides the top film 32 to the rear of the film peeling member 351. That is, the peeled top film 32 is brought into contact with the tip portion 351a of the film peeling member 351 and folded back in the direction opposite to the transport direction of the splicing tape supply member TT, and the top film transport device 352 is passed through the roller 351b. Is sent out by.

As shown in FIG. 8, the top film transfer device 352 includes a roller 352a that sandwiches and sends out the top film 32 and a motor 352b that rotates the roller 352a, and is arranged below the supply reel 33. The top film transport device 352 feeds out the top film 32 folded back in the direction opposite to the transport direction of the splicing tape supply member TT by the operator, and pulls the top film 32 from the base tape 31 at the end of the film peeling member 351. Peel off.

As shown in FIG. 14, the splicing tape supply member conveying device 36 includes a feeding sprocket 46 and a stepping motor 47, and sends out the base tape 31 from which the splicing tape 30 has been peeled off. That is, in the feed sprocket 46, a plurality of engaging teeth 46a are formed at equal intervals in the circumferential direction at the same pitch as the pitch of the feed holes 31a drilled in the base tape 31.

The base tape 31 from which the top film 32 has been peeled off, that is, the base tape 31 to which a large number of splicing tapes 30 are attached with the adhesive side facing up passes through the joining device 58 so as to cross the center of the splicing position LS, and the base tape 31 The feed hole 31a is engaged with the engaging teeth 46a of the feed sprocket 46.

The stepping motor 47 is connected to the feeding sprocket 46, and by driving one pitch, the base tape 31 engaged with the engaging teeth 46a is fed by a unit amount. The stepping motor 47 returns to the origin when the power is turned on, and is positioned so that the engaging teeth 46a of the feeding sprocket 46 are always located at the apex.

Further, the stepping motor 47 can appropriately restrain the rotation by, for example, a rotation restraining means 47a such as a servo lock device or by applying excitation. When the first and second carrier tapes T1 and T2 for which splicing has been completed are taken out from the inside of the splicing device 20, the movement of both ends of the base tape 31 is performed by the frictional action of the supply reel holding portion 38 and the rotation restraining means 47a described above. It constitutes a blocking device that limits and prevents the base tape 31 from rising.

As shown in FIG. 9, the joining device 58 is provided between the first cutting device 54 and the second cutting device 55. The joining device 58 detects the splicing tapes 30a and 30b installed at positions separated from the splicing position LS by a certain distance on the front side of the splicing position LS below the base tape 31 fed from the supply reel 33. It is equipped with a tape detection sensor.

The joining device 58 is fed from the left and right of the device main body 21 at the splicing position LS intermediate between the first and second transport paths 60a and 60b, and the first and second cutting points Q1 and Q2 are butted against each other. The second carrier tapes T1 and T2 are connected by the splicing tape 30 which is fed from the upward direction orthogonal to the second carrier tapes T1 and T2 and is positioned based on the detection signal of the tape detection sensor.

More specifically, as shown in FIGS. 15 to 19, the joining device 58 includes a first elevating table 91, a holding plate 97, a second elevating table 101, a swivel table 103, and the like. The first elevating table 91 is supported by guiding its legs 92 to and from the device main body 21 so as to be able to move up and down. On the first elevating table 91, positioning holes 30b1 formed in the splicing tape 30b and the first and second carriers are formed on both sides of the joint positions (butting positions) of the first and second carrier tapes T1 and T2. Two first positioning pins 93, 94 that can be engaged with each feed hole Hc of the tapes T1 and T2 are projected along the feed direction of the first and second carrier tapes T1 and T2.

The pitches of the first positioning pins 93 and 94 of these two sets are set to be twice the pitch Ph of the feed holes Hc of the first and second carrier tapes T1 and T2. Further, in the first elevating table 91, pin holes 95 are formed between the first positioning pins 93 and 94, and the second positioning pin 105 on the swivel table 103 side, which will be described later, rushes into these pin holes 95. it can.

A movable base 96 is movably guided and supported on the apparatus main body 21 in a horizontal direction orthogonal to the longitudinal direction of the first and second carrier tapes T1 and T2, and the first positioning pins 93 and 94 are supported by the movable base 96. The holding plate 97 is attached at the position above. A U-shaped groove 98 capable of accommodating the first positioning pins 93 and 94 is formed at the tip of the holding plate 97, and the holding plate 97 has a retracting end at which the groove 98 separates from the first positioning pins 93 and 94. The groove 98 can advance and retreat from the forward end position accommodating the first positioning pins 93 and 94.

Further, the leg 102 of the second elevating table 101 is guided and supported on the device main body 21 so as to be able to move up and down. On the second elevating table 101, the swivel table 103 is supported at both ends so as to be able to swivel 180 degrees around the pivot shaft 104 parallel to the longitudinal direction of the first and second carrier tapes T1 and T2.

The swivel table 103 is provided with a pressing plate 103a at a position offset from the swivel center, and the pressing plate 103a is provided with a plurality of second positioning pins 105 and pin holes 106. The second positioning pins 105 are arranged at positions corresponding to each of the first positioning pins 93 and 94 provided on the first elevating table 91, and can enter the pin holes 95 provided on the first elevating table 91.

Further, the pin holes 106 are arranged at positions corresponding to each of the second positioning pins 105, and the first positioning pins 93 and 94 provided on the first elevating table 91 can be inserted. The second positioning pin 105 is engaged with the feed holes Hc of the first and second carrier tapes T1 and T2 and the positioning holes 30b1 of the splicing tape 30b positioned at the splicing position LS by turning the swivel table 103 180 degrees. The positional relationship between the first and second carrier tapes T1 and T2 and the splicing tape 30 connecting them is kept constant.

A pinion 107 is attached to the pivot shaft 104 of the swivel table 103, and the rack 108 that meshes with the pinion 107 can move in the horizontal direction orthogonal to the transport directions of the first and second carrier tapes T1 and T2. Can be attached to. As a result, when the movable base 109 is moved, the swivel base 103 is swiveled by the rack and pinion mechanism including the pinion 107 and the rack 108. By turning the swivel table 103, the first and second carrier tapes T1 and T2 and the splicing tape 30 are sandwiched between the pressing plate 103a and the first elevating table 91 and connected to each other.

A cam drum 110 is rotatably supported on the main body 21 around an axis parallel to the turning center of the swivel table 103, and is rotated at a low speed in a certain direction by a drive motor (not shown). Two cam grooves 110a, 110b, 110c, and 110d, two inside and two outside, are formed on both sides of the cam drum 110 so as to be endless in the circumferential direction.

The first follower roller (not shown) pivotally supported by the legs 92 of the first elevating platform 91 is engaged with the first cam groove 110a. A second follower roller (not shown) pivotally supported by a movable base 96 connected to a holding plate 97 is engaged with the second cam groove 110b. The third cam groove 110c is engaged with a third follower roller (not shown) pivotally supported by the leg 102 of the second lift 101. A fourth follower roller (not shown) pivotally supported by a connecting member connected to the movable base 109 is engaged with the fourth cam groove 110d.

As a result, when the cam drum 110 is rotated, the first, second, third, and fourth follower rollers that engage with the first, second, third, and fourth cam grooves 110a, 110b, 110c, and 110d, respectively, are moved. The elevating movements of the first and second elevating tables 91 and 101, the advancing and retreating movements of the holding plate 97, and the turning movements of the swivel table 103 are performed in conjunction with each other. 2 The lifts 91 and 101, the holding plate 97 and the swivel 103 are returned to their original positions.

(6. Operation of splicing device)
Next, the operation of the splicing device 20 in the above-described embodiment will be described. When the remaining amount of the component e held by the first carrier tape T1 wound around the reel 12 attached to the tape feeder 10 becomes low, another component e of the same type is accommodated in the terminal portion of the first carrier tape T1. A splicing process is performed in which the starting end portion of the second carrier tape T2 wound around the reel is connected by the splicing tape 30. Parts are replenished by such splicing so that the parts can be continuously supplied from the tape feeder 10.

In such splicing, so-called splicing verification is usually performed to check whether a carrier tape containing the correct parts is connected. The splicing verify reads the barcode affixed to the old reel with a barcode reader and transmits the serial ID of the parts housed in the old reel to the management computer. Next, the barcode attached to the new reel is read by the barcode reader, and the serial IDs of the parts housed in the new reel are transmitted to the management computer.

Since data related to parts is stored for each serial ID in the database of the management computer, it can be determined from the read serial ID whether or not the parts housed in the two carrier tapes T1 and T2 are of the same type. Can be collated. If the part is incorrect, a collation error is displayed on the operation panel to notify the operator, and the operator redoes splicing based on this.

When such splicing verification is completed, the ends of the first and second carrier tapes T1 and T2 are cut with scissors. At this time, since an empty cavity portion in which parts are not stored is usually provided at the end of each carrier tape T1 and T2 by about several tens of mm, this portion is cut by an operator. In this case, as is clear from the description described later, the cut surface is not a mating surface of the first and second carrier tapes T1 and T2, so that accuracy is not particularly required.

Normally, the lid 22 of the splicing device 20 is closed, and when the power is turned on by the operator in this state, the control device 59 receives the detection signals from the first and second sprocket tooth detection devices 63a and 63b. The stepping motors 62a and 62b are returned to their original positions based on the above. Further, as shown in FIG. 20, the control device 59 positions the first cutting blade 68a at the top dead center based on the detection signal from the dog detection device 704.

In that state, the control device 59 connects the first and second tape inlets 84a and 84b to the first and second carrier tapes T1 and T2 based on the detection signals from the first and second tape detection devices 64a and 64b. Detects whether or not the tip is inserted. When it is detected that the tips of the first and second carrier tapes T1 and T2 have been inserted, the stepping motors 62a and 62b are activated to rotate the first and second sprockets 61a and 61b, and the first and second sprockets 61a and 61b are rotated. The movable members 77a and 77b of the second take-in members 75a and 75b are moved upward.

Next, in the control device 59, based on the detection signals from the first and second tape detection devices 64a and 64b, the first cavity Ct1 and Ct2 in which the parts e1 and e2 of the first and second carrier tapes T1 and T2 are empty are empty. And the second cavities Ct1 and Ct2 are sequentially detected, and the pitch Pc between the cavities Ct1 and Ct2 is calculated based on the detection of the first and second cavities Ct1 and Ct2.

Next, as shown in FIG. 21, the control device 59 is first based on the pitch Pc between the cavities Ct1 and Ct2 and the distances D1 and D2 between the known detection positions Ld1 and Ld2 and the cutting positions Lc1 and Lc2. , The cutting points Q1 and Q2 of the second carrier tapes T1 and T2 are calculated. Then, the first and second carrier tapes T1 and T2 are moved by the distances D1 and D2 to incorporate the unnecessary portions Tf1 and Tf2 into the first and second capture members 75a and 75b, and the cutting points Q1 and Q2 are cut at the cutting positions. Transfer and position to Lc1 and Lc2.

In this way, when the transport positioning of the first and second carrier tapes T1 and T2 is completed, the control device 59 lowers the first and second cutting blades 68a and 68b, respectively, as shown in FIG. The first and second cutting points Q1 and Q2 of the first and second carrier tapes T1 and T2 are cut, respectively.

That is, as shown in FIGS. 24A and 24B, when the rotation angle of the cam shaft 705 is set to 0 degrees before the start of cutting, the cam peripheral point A of the first cam 701a comes into contact with the upper surface of the first holding member 69a. , The cam peripheral point D of the second cam 701b is in contact with the upper surface of the second holding member 69b. Therefore, the height of the lower end of the first cutting blade 68a is located at the height hmax of the top dead center, and the height of the lower end of the second cutting blade 68b is lower than the height hmax of the top dead center. It is located in the ho.

Then, the first cutting blade 68a starts descending due to the rotation of the first cam 701a, and the first cutting blade 68a is θ degrees (<180 degrees) at the rotation angle of the cam shaft 705 (cam peripheral point B of the first cam 701a). When the height hc (contacting the upper surface of the first holding member 69a) is reached, cutting of the first cutting portion Q1 of the first carrier tape T1 is started.

Then, the first cutting blade 68a reached the height hmin of the bottom dead center of 180 degrees (the cam peripheral point C of the first cam 701a contacts the upper surface of the first holding member 69a) at the rotation angle of the cam shaft 705. When the cutting of the first cutting portion Q1 of the first carrier tape T1 is completed and the cam shaft starts to rise, the rotation angle of the cam shaft 705 is 360 degrees (the cam peripheral point A of the first cam 701a is on the upper surface of the first holding member 69a. When the height hmax of the top dead center (contact) is reached, the ascent stops. The ascending / stopping of the first cutting blade 68a is performed by detecting the origin mark m of the dog 703 by the dog detecting device 704.

On the other hand, the second cutting blade 68b has a rotation angle of 30 degrees of the cam shaft 705 due to the rotation of the second cam 701b at the same time as the first cam 701a (the cam peripheral point E of the second cam 701b is the upper surface of the second holding member 69b). After reaching the top dead center height hmax (contacting with), the second cutting blade 68b descends at a rotation angle of the cam shaft 705 by θ + 30 degrees (the cam peripheral point F of the second cam 701b is the second holding member 69b). When the height hc (contacting the upper surface of the) is reached, cutting of the second cutting portion Q2 of the second carrier tape T2 is started.

Then, the second cutting blade 68b reached the height hmin of the bottom dead center of 210 degrees (the cam peripheral point G of the second cam 701b contacts the upper surface of the second holding member 69b) at the rotation angle of the cam shaft 705. When the cutting of the second cutting portion Q2 of the second carrier tape T2 is completed and the cam shaft starts to rise, the rotation angle of the cam shaft 705 is 360 degrees (the cam peripheral point D of the second cam 701b is on the upper surface of the second holding member 69b. When the height ho of (contact) is reached, that is, at the same time when the first cutting blade 68a stops rising, it stops rising. The cut unnecessary portions Tf1 and Tf2 of the first and second carrier tapes T1 and T2 are guided by the ducts 82a and 82b of the intake members 75a and 75b and discarded.

When the first and second carrier tapes T1 and T2 are cut by the cutting blades 68a and 68b, the control device 59 moves the capture members 75a and 75b downward as shown in FIG. 23. After that, the sprocket 61a and 61b are rotated by the stepping motors 62a and 62b, respectively, and the first and second carrier tapes T1 and T2 are separated from each other by the known distances D3 and D4 between the cutting positions Lc1 and Lc2 and the splicing position LS. The first and second carrier tapes T1 and T2 are moved and the cutting points Q1 and Q2 are transferred and positioned at the splicing position LS.

As a result, the feed holes Hc1 and Hc2 of the first and second carrier tapes T1 and T2 are positioned at positions where they can engage with the first positioning pins 93 and 94 of the joining device 58 provided at the splicing position LS. On the other hand, the splicing tape supply member TT wound around the supply reel 33 is sent out from the supply reel 33 by the stepping motor 47 of the splicing tape supply member transport device 36, and one set of splicing tapes 30 for the front surface and the back surface is provided. It is conveyed to the splicing position LS.

Then, the splicing tape 30b for the back surface is once fed to the position detected by the tape detection sensor 48, and is further fed a certain distance from that position, so that a set of splicing tapes 30 for the front surface and the back surface is spliced. It is sent to the position LS. Then, as shown in FIG. 25, the positioning hole 30b1 formed in the back surface splicing tape 30b is positioned at a position capable of engaging with the first positioning pins 93 and 94 of the joining device 58 provided at the splicing position LS. ..

Then, as shown in FIGS. 26A and 26B, the top film 32 is folded back and peeled off by the top film feeding device 35 in the direction opposite to the feeding direction of the splicing tape supply member TT, and the tip portion of the film peeling member 351 is peeled off. It comes into contact with 351a.

The top film conveying device 352 stops the feeding when the top film 32 is fed by the distance until the top film 32 comes into contact with the tip portion 351a of the film peeling member 351. According to this, the top film 32 is not peeled off after coming into contact with the plate-shaped end portion of the film peeling member 351, and only one set of splicing tape 30 is exposed and positioned at the splicing position LS. Will be done.

Then, at the splicing position LS, only one set of splicing tapes 30 out of the plurality of sets of splicing tapes 30 is exposed by peeling off the top film 32, so that the adhesiveness of the splicing tapes 30 other than the one set is reduced. It can be suppressed. Further, since the peeling length of the top film 32 is short, the base tape 31 is not pulled by a strong force at the time of the peeling, and the deterioration of the positioning accuracy of the splicing tape 30 at the splicing position LS can be suppressed.

When the first and second carrier tapes T1 and T2 and the splicing tape 30 are respectively positioned at the splicing position LS, the stepping motor 47 of the splicing tape supply member conveying device 36 is excited. That is, the splicing tape supply member conveying device 36 positions the splicing tape 30 at the splicing position LS and puts it in a stationary holding state.

Then, since the supply reel holding unit 38 holds the supply reel 33 by applying a frictional force in the direction opposite to the rotation direction, splicing is performed in combination with the splicing tape supply member conveying device 36 which is in the stationary holding state. The tape 30 can be joined with higher accuracy across the first carrier tape T1 and the second carrier tape T2.

Then, the cam drum 110 is rotated by the drive motor (not shown). By the rotation of the cam drum 110, the first elevating platform 91 is first raised via the first follower roller that engages with the first cam groove 110a. As the first lift 91 rises, the first positioning pins 93 and 94 are engaged with the positioning holes 30b1 of the back surface splicing tape 30b and the feed holes Hc of the first and second carrier tapes T1 and T2, respectively.

At this time, as shown in FIG. 27A, the pressing plate 97 is interposed between the back surface splicing tape 30b and the first and second carrier tapes T1 and T2, so that the back surface splicing tape 30b has a first position. , The second carrier tapes T1 and T2 do not adhere to each other. As a result, the positional relationship between the first and second carrier tapes T1 and T2 and the back surface splicing tape 30b adhered to the back surface side thereof is maintained in a constant relationship.

Next, the movable base 96 is moved in the horizontal direction via the second follower roller that engages with the second cam groove 110b, and is interposed between the back surface splicing tape 30b and the first and second carrier tapes T1 and T2. The pressed pressing plate 97 is retracted with respect to the first elevating table 91, and the back surface splicing tape 30b and the first and second carrier tapes T1 and T2 can be adhered to each other.

Next, the movable base 109 is horizontally moved via the third follower roller that engages with the third cam groove 110c, and the horizontal movement of the movable base 109 causes the swivel base 103 to be moved by the rack and pinion mechanism (107, 108). Turns 19 clockwise. As shown in FIG. 27B, the base tape 31 engaged with the second positioning pin 105 is bent by the swivel of the swivel table 103, and the surface splicing tape 30a is the first and second carrier tapes T1 and T2. It is inverted with the adhesive surface facing down at the upper position.

That is, the base tape 31 is bent so as to sandwich the first and second carrier tapes T1 and T2, and the back surface splicing tape 30b is placed on the back surface side of the first and second carrier tapes T1 and T2. The surface splicing tape 30a is located on the surface side of the carrier tapes T1 and T2. At this time, the motor of the splicing tape supply member conveying device 36 is rotated in the reverse direction to give the base tape 31 slack, and the base tape 31 is allowed to be bent.

Subsequently, the second lift 101 is lowered via the fourth follower roller that engages with the fourth cam groove 110d. When the second lifting platform 101 is lowered, as shown in FIG. 27C, the second positioning pin 105 of the positioning holes 31b of the base tape 31 and the first and second carrier tapes T1 and T2 from the back side of the base tape 31. It is engaged with the feeding hole Hc and the positioning hole 30b1 of the back surface splicing tape 30b.

Further, due to the lowering of the second lift 101, the bent base tape 31 is placed between the pressing plate 103a of the swivel 103 and the first lift 91 while sandwiching the first and second carrier tapes T1 and T2. Pressed with. By this pressing, the back surface splicing tape 30b attached to the base tape 31 is adhered so as to straddle the back surfaces of the first and second carrier tapes T1 and T2, and the front surface splicing tape 30a is attached to the first and second carrier tapes. It is adhered so as to straddle the cover tapes Tt attached to the surfaces of the tapes T1 and T2, and the end portion of the first carrier tape T1 and the start end portion of the second carrier tape T2 are connected to each other. Such a pressing state is maintained for a certain period of time (several seconds).

In the connection of the first and second carrier tapes T1 and T2 by the splicing tape 30, the first and second carrier tapes T1 and T2 and the splicing tape 30 are relatively connected by the first positioning pins 93 and 94 and the second positioning pin 105. Since it is performed in a state where the deviation is restrained, the first and second carrier tapes T1 and T2 can be accurately joined without causing a pitch deviation.

The joining of the first and second carrier tapes T1 and T2 by the splicing tape 30 described above is achieved by rotating the cam drum 110 by approximately 180 degrees, and by rotating the remaining 180 degrees, each component member operates in the reverse manner as described above. Is returned to its original position. That is, first, the second lift 101 is raised, the swivel 103 is lifted against the first lift 91, the bent base tape 31 is released from being pressed, and the second positioning pin 105 is used for the back surface. It is separated from the positioning holes 30b1 of the splicing tape 30b and the feed holes Hc of the first and second carrier tapes T1 and T2.

Subsequently, the swivel base 103 is swiveled counterclockwise in FIG. 18 via the rack and pinion mechanism (108, 107), and the motor of the splicing tape supply member conveying device 36 is rotated forward to loosen the base tape 31. Is removed. After that, the holding plate 97 is advanced, the first elevating table 91 is lowered, and the first positioning pins 93 and 94 are the positioning holes 30b1 of the back surface splicing tape 30b and the first and second carrier tapes T1 and T2, respectively. It is separated from the feed hole Hc.

On the other hand, in the top film feeding device 35, the motor is driven to apply tension to the top film 32, and the top film 32 is peeled off by a required amount. In this way, the joining between the end portion of the first carrier tape T1 and the start end portion of the second carrier tape T2 is completed.

In this way, when the first and second carrier tapes T1 and T2 are connected to each other by the splicing tape 30, the control device 59 issues a connection completion signal. Based on the connection completion signal, the solenoid 25 of the splicing device 20 is operated to move the operating rod 25a downward, and the hook 27 is rotated clockwise around the support shaft 26 in FIG.

As a result, the hook 27 and the engaging pin 28 are disengaged, and the lid 22 is rotated about the pivot 23 by the urging force of the spring 29 and is automatically released. After that, the reel 12 around which the second carrier tape T2 is wound is set in the tape feeder 10 to complete the splicing process. As a result, parts are replenished to the tape feeder 10, and in the electronic component mounting machine, the component mounting work can be continuously performed without stopping the machine.

(7. Another form of cutting device)
In the above-described embodiment, the first and second cams 701a and 701b of the first and second cutting devices 54 and 55 are formed in a disk shape, but the first and second cams of another embodiment shown in FIGS. 28A and 28B, Like the second cams 711a and 711b, the configuration may be formed in a substantially elliptical disk shape. That is, the first and second cams 711a and 711b are formed so that the first and second cutting blades 68a and 68b are stopped at the rising end and the falling end for a certain period of time, respectively.

Specifically, as shown in FIG. 28A, the distance between the horizontal plane passing through the eccentric center CC of the first and second cams 711a and 711b and the cam peripheral edge is formed as follows. That is, the shortest distance from the cam peripheral points a and f to the cam peripheral points b and g 90 degrees away from the center of eccentricity CC, that is, the first cutting blade 68a is formed so as to maintain the position of the top dead center. From the cam peripheral points b and g to the cam peripheral points c and h 90 degrees away from the center of eccentricity CC, the distance increases linearly from the shortest distance to the longest distance, that is, the first cutting blade 68a is below the top dead center position. It is formed so as to change linearly to the position of the dead center.

The longest distance from the cam peripheral points c and h to the cam peripheral points d and i 90 degrees away from the center of eccentricity CC, that is, the first cutting blade 68a is formed so as to maintain the position of the bottom dead center. Then, from the cam peripheral points d and i to the cam peripheral points a and f 90 degrees away from the eccentric center CC, the distance decreases linearly from the longest distance to the shortest distance, that is, the position of the first cutting blade 68a is the bottom dead center position. It is formed so as to change linearly from to the position of top dead center.

Then, the first and second cams 711a and 711b are eccentrically fitted to both ends of the cam shaft 705 in the same manner as the first and second cams 701a and 701b of the above-described embodiment, and the second cam 711b is the second cam. 1 Cam 711a is fitted to the cam shaft 705 with a predetermined angle, for example, 30 degrees out of phase. Then, the origin mark m is set so as to indicate that the first cam 711a is located at the cam peripheral point a when detected by the dog detection device 704.

In the first and second cutting devices 54 and 55 having the first and second cams 711a and 711b having such a shape, as shown in FIG. 28B, the rotation angle of the cam shaft 705 is set to 0 degrees before the start of cutting. Then, the cam peripheral point a of the first cam 711a is in contact with the upper surface of the first holding member 69a, and the cam peripheral point e of the second cam 711b is in contact with the upper surface of the second holding member 69b. Therefore, the height of the lower end of the first cutting blade 68a is located at the height kmax of the top dead center, and the height of the lower end of the second cutting blade 68b is lower than the height hmax of the top dead center. It is located in Ko.

Then, the first cutting blade 68a is raised until the rotation angle of the cam shaft 705 becomes 90 degrees (the cam peripheral point b of the first cam 711a comes into contact with the upper surface of the first holding member 69a) due to the rotation of the first cam 711a. Maintain the dead center height kmax. The first cutting blade 68a starts descending when the rotation angle of the cam shaft 705 reaches 90 degrees, and the first cutting blade 68a is φ degrees (<180 degrees) at the rotation angle of the cam shaft 705 (the cam of the first cam 711a). When the peripheral edge point x reaches the height kc (contacting the upper surface of the first holding member 69a), cutting of the first cutting portion Q1 of the first carrier tape T1 is started.

Then, the first cutting blade 68a reached the height of the bottom dead center of 180 degrees (the cam peripheral point c of the first cam 711a contacts the upper surface of the first holding member 69a) at the rotation angle of the cam shaft 705. When the cutting of the first cutting portion Q1 of the first carrier tape T1 is completed, the rotation angle of the cam shaft 705 becomes 270 degrees (the cam peripheral point d of the first cam 711a comes into contact with the upper surface of the first holding member 69a). Maintain the bottom dead center height kmin until.

The first cutting blade 68a starts to rise when the rotation angle of the cam shaft 705 reaches 270 degrees, and 360 degrees at the rotation angle of the cam shaft 705 (the cam peripheral point a of the first cam 711a is the upper surface of the first holding member 69a). When the height of the top dead center (kmax) is reached, the ascent stops. The ascending / stopping of the first cutting blade 68a is performed by detecting the origin mark m of the dog 703 by the dog detecting device 704.

On the other hand, the second cutting blade 68b has a rotation angle of 30 degrees of the cam shaft 705 due to the rotation of the second cam 711b at the same time as the first cam 711a (the cam peripheral point f of the second cam 711b is the upper surface of the second holding member 69b). The top dead point reaches kmax, and the rotation angle of the cam shaft 705 reaches 120 degrees (the cam peripheral point g of the second cam 711b contacts the upper surface of the second holding member 69b). The height kmax of is maintained. The second cutting blade 68b starts descending when the rotation angle of the cam shaft 705 reaches 120 degrees, and the second cutting blade 68b is φ + 30 degrees at the rotation angle of the cam shaft 705 (the cam peripheral point y of the second cam 711b is the first). 2 When the cutting height kc of the holding member 69b (contacting the upper surface) is reached, the cutting of the second cutting portion Q2 of the second carrier tape T2 is started.

Then, the second cutting blade 68b reached the height of the bottom dead center of 210 degrees (the cam peripheral point h of the second cam 711b contacts the upper surface of the second holding member 69b) at the rotation angle of the cam shaft 705. When the cutting of the second cutting portion Q2 of the second carrier tape T2 is completed, the rotation angle of the cam shaft 705 becomes 310 degrees (the cam peripheral point i of the second cam 711b contacts the upper surface of the second holding member 69b). Maintain the bottom dead center height kmin until. The second cutting blade 68b starts to rise when the rotation angle of the cam shaft 705 reaches 310 degrees, and 360 degrees at the rotation angle of the cam shaft 705 (the cam peripheral point e of the second cam 711b is the upper surface of the second holding member 69b). When the height ko is reached, that is, when the first cutting blade 68a stops rising, it stops rising at the same time.

According to the first and second cutting devices 54 and 55 having the first and second cams 711a and 711b having such a shape, the first and second cutting blades 68a and 68b are constant at the rising end and the falling end, respectively. The second carrier tape T2 is cut by the second cutting blade 68b at least a part while the first cutting blade 68a is stopped, and at least a part while the second cutting blade 68b is stopped. The first carrier tape T1 is cut by the first cutting blade 68a.

As a result, the time point at which the first cutting blade 68a cuts the first carrier tape T1 that receives the most cutting resistance and the time point at which the second cutting blade 68b cuts the second carrier tape T2 that receives the most cutting resistance can be shifted. Therefore, the rotational force of the camshaft 705 can be reduced, and a small output gear motor 702 can be used. Further, since the range of vertical movement of the first and second cutting blades 68a and 68b can be reduced as compared with the case of the above-described embodiment in which the first and second cutting blades 68a and 68b do not stop, the cutting cycle time can be shortened.

(8. Effect)
The splicing device 20 of the above-described embodiment feeds the first carrier tape T1 containing the component e, positions the first carrier tape T1 at the first cutting position Lc1, and then the cut end of the first carrier tape T1. The first positioning device (first tape feeding device 50) for positioning the unit at the splicing position LS and the second carrier tape T2 containing the component e are fed in a direction approaching the first carrier tape T1 to be second. It is provided with a second positioning device (second tape feeding device 51) that positions the carrier tape T2 at the second cutting position Lc2 and then positions the cut end of the second carrier tape T2 at the splicing position LS.

Further, the first cutting blade 68a for cutting the unnecessary portion Tf1 in the first carrier tape T1 positioned at the first cutting position Lc1 by the first positioning device 50, and the second cutting blade 68a positioned at the second cutting position Lc2 by the second positioning device 51. A second cutting blade 68b that cuts an unnecessary portion Tf2 in the two carrier tape T2, one driving device 72 that drives the first cutting blade 68a and the second cutting blade 68b, and a first carrier positioned at the splicing position LS, respectively. A joining device 58 for joining the splicing tape 30 across the cut end of the tape T1 and the cut end of the second carrier tape T2 is provided.

According to this, since the splicing device 20 is configured to drive the first cutting blade 68a and the second cutting blade 68b by one driving device 72, the first cutting blade 68a and the second cutting blade 68a are driven by the two driving devices. Compared with the configuration in which the cutting blades 68b are driven, the size can be reduced, and the increase in energy consumption and component cost can be suppressed.

Further, one drive device 72 shifts the drive timings of the first cutting blade 68a and the second cutting blade 68b, and starts cutting the first carrier tape T1 and the second carrier tape T2 at different timings. As a result, the time point at which the first cutting blade 68a cuts the first carrier tape T1 that receives the most cutting resistance can be shifted from the time point at which the second cutting blade 68b cuts the second carrier tape T2 that receives the most cutting resistance. Therefore, the driving force of the driving device 72 can be reduced, and the driving device 72 having a small output can be used.

Further, each of the first cutting blade 68a and the second cutting blade 68b cuts each of the first carrier tape T1 and the second carrier tape T2 by moving up and down, and one drive device 72 is a first cutting blade. The 68a and the second cutting blade 68b are anchored at each of the ascending end and the descending end for a certain period of time, and the second carrier tape T2 is cut by the second cutting blade 68b at least partly while the first cutting blade 68a is anchored. The first carrier tape T1 is cut by the first cutting blade 68a at least partly while the second cutting blade 68b is stationary.

As a result, the time point at which the first cutting blade 68a cuts the first carrier tape T1 that receives the most cutting resistance can be shifted from the time point at which the second cutting blade 68b cuts the second carrier tape T2 that receives the most cutting resistance. Therefore, the driving force of the driving device 72 can be reduced, and the driving device 72 having a small output can be used. Further, since the range of vertical movement of the first and second cutting blades 68a and 68b can be made smaller than that in the case of not stopping, the cutting cycle time can be shortened.

Further, since one drive device 72 includes a detection device (dog 703, dog detection device 704) for detecting the operating state of the first cutting blade 68a and the second cutting blade 68b, the first and second carrier tapes T1 and Cutting of T2 can be performed with high accuracy.
Further, the splicing device 20 includes a first cutting blade unit 71a and a second cutting blade unit 71b, and the first cutting blade unit 71a movably supports the first cutting blade 68a and the first cutting blade 68a. The second cutting blade unit 71b is provided with one support member 70a, and the second cutting blade unit 71b movably supports the second cutting blade 68b and the second cutting blade 68b formed in the same shape as the first cutting blade 68a. A support member 70a and a second support member 70b formed of a member having a shape symmetrical with respect to a plane passing through the splicing position LS at right angles to the feeding direction of the first carrier tape T1 and the second carrier tape T2 are provided. As a result, the first and second holding members 69a and 69b and the first and second support members 70a and 70b can be compactly configured.

(9. Others)
In the above-described embodiment, the drive device 72 is configured to include a disc-shaped eccentric cam, but for example, an elliptical cam may be fitted to both ends of the cam shaft 705 without being eccentric. Further, although the drive device 72 is configured to include a cam mechanism, it may be configured to include a rack and pinion mechanism.

Further, the drive device 72 is configured to include a dog 703 having an origin mark m and a dog detection device 704 that detects the origin mark m with reflected light. For example, the dog having a notch and the light transmitted through the notch detect it. It may be configured to include a dog detection device having a light receiving / receiving element. As described above, the present invention can take various forms within a range not deviating from the gist of the present invention described in the claims.

20 ... Splicing device, 21 ... Device body, 22 ... Lid, 30 (30a, 30b) ... Splicing tape, 31 ... Base tape, 32 ... Top film, 35 ... Top film peeling device, 36 ... Splicing tape supply member transport device , 38 ... Supply reel holding unit (holding unit), 50 ... First tape feeding device (positioning device), 51 ... Second tape feeding device (positioning device), 58 ... Joining device, 68a ... First cutting blade, 68b ... 2nd cutting blade, 70a ... 1st support member, 70b ... 2nd support member, 71a ... 1st cutting blade unit, 71b ... 2nd cutting blade unit, 72 ... drive device, 351 ... film peeling member, 352 ... top film Conveyor device, 703 ... dog (detection device), 704 ... dog detection device (detection device), T (T1, T2) ... carrier tape, TT ... splicing tape supply member, Lc1 ... first cutting position, Lc2 ... second cutting Position, LS ... Splicing position, e ... Parts.

Claims (4)

A first positioning device that feeds a first carrier tape containing parts, positions the first carrier tape at a first cutting position, and then positions a cut end of the first carrier tape at a splicing position.
The second carrier tape containing the parts is sent in a direction approaching the first carrier tape to position the second carrier tape at the second cutting position, and then the cut end portion of the second carrier tape is positioned. A second positioning device for positioning at the splicing position and
A first cutting blade that cuts an unnecessary portion of the first carrier tape positioned at the first cutting position by the first positioning device.
A second cutting blade that cuts an unnecessary portion of the second carrier tape positioned at the second cutting position by the second positioning device.
A driving device for driving the first cutting blade and the second cutting blade,
A joining device that joins the splicing tape across the cut end of the first carrier tape and the cut end of the second carrier tape, respectively, positioned at the splicing position.
With
The one driving device is a splicing device that shifts the driving timings of the first cutting blade and the second cutting blade and starts cutting the first carrier tape and the second carrier tape at different timings . Each of the first cutting blade and the second cutting blade moves up and down to cut each of the first carrier tape and the second carrier tape.
The one drive device
The first cutting blade and the second cutting blade are stopped at each of the rising end and the falling end for a certain period of time.
The second carrier tape is cut by the second cutting blade at least in a part while the first cutting blade is stationary.
At least in part by said first cutting blade to cut the first carrier tape, the splicing device according to claim 1, while by stopping the second cutting blade. The splicing device according to claim 1 or 2 , wherein the one driving device includes a detection device for detecting an operating state of the first cutting blade and the second cutting blade. The splicing device includes a first cutting blade unit and a second cutting blade unit.
The first cutting blade unit is
With the first cutting blade
A first support member that movably supports the first cutting blade,
With
The second cutting blade unit is
With the second cutting blade formed in the same shape as the first cutting blade,
A second member that movably supports the second cutting blade and is symmetrical with respect to a plane passing through the splicing position at right angles to the feeding direction of the first support member and the first carrier tape and the second carrier tape. 2 Support members and
The splicing apparatus according to any one of claims 1 to 3 , further comprising.

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