JP6731674B2 - Parts feeder - Google Patents

Description

The present invention relates to a component supply device that continuously supplies a carrier tape without splicing.

For example, Patent Document 1 discloses a component supply device that supplies components stored in a carrier tape to a component mounter without performing a splicing operation. A rail for transferring the carrier tape and a sprocket for engaging the carrier tape are arranged below the rail at the carrier tape insertion portion of this component supply device, and above the rail, there is a downstream side in the carrier tape transfer direction. The first pressing member and the second pressing member are arranged in order from the side. When the operator inserts the tip end of the carrier tape into the insertion portion, the carrier tape engages with the sprocket arranged below the rail, and is transported to the supply portion by the rotation of the sprocket.

Next, the worker inserts the leading end of the carrier tape, which is continuously supplied to the carrier tape being transferred, into the insertion portion from above the carrier tape being transferred and abuts against the first pressing member, so that the carrier tape being transferred The carrier tape that is continuously supplied above is in a standby state. When the carrier tape being transferred has completely passed under the second pressing member, the carrier tape in standby is pressed onto the rail by the second pressing member, engages with the sprocket, and the rail and the first pressing member are rotated by the rotation of the sprocket. Intrudes between the members. A step is formed on the lower surface of the upstream side of the first pressing member so that the carrier tape in standby can easily enter, and it is possible to continuously transfer the carrier tape to the supply section while the carrier tape is being transferred. There is.

As described above, the component supply device of Patent Document 1 has an advantage of good workability because it is not necessary to perform the splicing work for connecting the carrier tape on standby to the rear end of the carrier tape being transferred.

JP, 2011-111169, A

In the component supply device of Patent Document 1, since the step is formed on the lower surface on the upstream side of the first pressing member as described above, depending on the shape of the carrier tape in standby, it is dragged by the carrier tape in transfer. In some cases, those carrier tapes were jammed in the component supply device.

An object of the present invention is to provide a component supply device in which a carrier tape in a standby state is dragged by a carrier tape in transit and transferred, and the carrier tape is not clogged in the component supply device.

The component supply device of the present invention is a component supply device for continuously supplying a carrier tape containing components without splicing, and a rail for transferring the carrier tape, and a liftable unit provided above the rail. A first pressing member and a second pressing member that is vertically movable with respect to the first pressing member upstream of the carrier tape in the transfer direction, and has an upstream side of the first pressing member in the carrier tape transfer direction. It is centered rotatably supported on a supporting shaft perpendicular to the transport direction of the carrier tape at a lower end portion, and a movable member which moves up and down in an arc shape with the transfer of the carrier tape, of the movable member rotary The movement closes the gap above the carrier tape passing underneath.

According to the present invention, it is possible to provide a component supply device in which a carrier tape in a standby state is dragged by a carrier tape in transport and is transported, and the carrier tape is not clogged in the component supply device.

It is a disassembled side view of a component supply apparatus. It is a top view of a carrier tape. It is an AA sectional view of the carrier tape shown in Drawing 2A. It is an enlarged view of a supply part. It is the figure which showed the process in which the carrier tape is continuously supplied without being spliced in the replenishment part. It is the figure which showed the process in which the carrier tape is continuously supplied without being spliced in the replenishment part. It is the figure which showed the process in which the carrier tape is continuously supplied without being spliced in the replenishment part. It is the figure which showed the process in which the carrier tape is continuously supplied without being spliced in the replenishment part. It is the figure which showed the process in which the carrier tape is continuously supplied without being spliced in the replenishment part. FIG. 3 is a diagram in which the component supply device includes a reel holder.

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a diagram showing a component supply device according to an embodiment of the present invention. The component supply device 1000 includes a supply unit 100, a supply unit 200, a supply unit drive system 110, a supply unit drive system 210, a rail 300, a detection unit 400, and a control unit 500. The supply unit 100 is a part configured to expose the components stored in the carrier tape transferred by the supply unit 200 and supply the components to the component mounter. The supply section 200 is a section configured such that the carrier tape supplied in a reel state is continuously supplied. The supply unit 100 drive system is a portion configured to transmit the drive force of the first motor 111 to the supply unit 100, and the replenishment unit drive system 210 transmits the drive force of the second motor 211 to the replenishment unit 200. Is a part configured to do. The detection unit 400 is a unit configured to monitor the transfer state of the carrier tape in the supply unit 200. The control unit 500 is a unit configured to control the component supply device 1000.

2 and 3 are views showing a carrier tape. FIG. 2 is a view showing a state in which a part of the cover tape is separated, and FIG. 3 is a view showing a cross section of AA′ in FIG. The carrier tape 900 is composed of a base tape 901 and a cover tape 902 joined thereon. The base tape 901 is made of a paper material or the like, has feed holes 901b formed at regular intervals on its side, and parts (not shown) are stored in a storage space 901a formed at a constant depth. The cover tape 902 is made of a transparent polymer film and is bonded to the base tape 901 by an adhesive portion 902a.

The carrier tape 900 is generally manufactured as a product wound on a reel, and is transported from the replenishing unit 200 toward the supplying unit 100 by the component supplying device 1000. The carrier tape 900 is configured so that the cover tape 902 is separated from the base tape 901 at the supply unit, and a component (not shown) in the exposed storage space 901a can be supplied to the component mounter.

The supply unit 100 is located at the front of the component supply apparatus 1000 and includes a supply unit drive system 110, a rail 300, and a peeling device 600 that peels the cover tape 902 from the base tape 901. The supply unit drive system 110 includes a first motor 111, a first intermediate gear 112, a second intermediate gear 113, a first sprocket 114 and a second sprocket 115. The feed holes 901b of the carrier tape 900 and respective sprockets. Engage with each other and transport the carrier tape 900. The carrier tape 900 is transferred to the peeling device 600 by the second sprocket 115. The carrier tape 900 is continuously transported by the second sprocket 115 while the peeling device 600 exposes the components housed in the carrier tape 900, and the storage portion 901a of the carrier tape 900 is positioned at the supply position 120 by the first sprocket 114. To be done. The peeling device 600 is disclosed in Japanese Patent No. 2662948, Japanese Unexamined Patent Publication No. 2009-140994, Japanese Utility Model Publication No. 7-23994, etc., and is a well-known technique, and therefore its explanation is omitted.

The replenishment unit 200 is located at the rear of the component supply device 1000, and has a replenishment unit drive system 210, a rail 300, a first pressing member 220, a second pressing member 230, a movable member 240, a first supporting member 250, and a second supporting member. 260 and elastic members 270a, 270b, 270c. The replenishment section drive system 210 is composed of a second motor 211, a third intermediate gear 212, a fourth intermediate gear 213, a third sprocket 214 and a fourth sprocket 215, and the feed hole 901b of the carrier tape 900 and the third sprocket. 214 and the fourth sprocket 215 mesh with each other, and the carrier tape 900 is transferred toward the supply unit 100.

The rail 300 supports the bottom surface of the carrier tape 900, and has sprocket entry holes (not shown) formed therein so that the third sprocket 214 and the fourth sprocket 215 of the replenishment unit drive system 210 can enter. The upper surface of the rail 300 is formed at an angle parallel to the lower surface of the first pressing member 220 and the lower surface of the second pressing member 230.

The first pressing member 220 is provided on the upper portion of the rail 300, and a certain amount of force is applied to the upper surface of the first carrier tape 900a which is being transferred by the elastic member 270c. Stabilize the transfer.

The first pressing member 220 has a crank shape, and the upstream side in the transport direction of the carrier tape 900 is bent upward. The crank portion bent upward supports the second pressing member 230 in a state where the crank portion can move up and down by a certain distance in the vertical direction.

The second pressing member 230 stabilizes the transfer of the first carrier tape 900a that is being transferred by the elastic member 270c, and also maintains the standby state of the second carrier tape 900b that is waiting.

The lower end 241 of the first pressing member is hollowed in the longitudinal direction on the upstream side in the transport direction of the carrier tape 900, and the edge 242 forms a downward U-shaped notch groove.

As shown in FIGS. 1 and 4, the movable member 240 has a block shape that is long in the transport direction of the carrier tape 900, and is inserted into a cutout groove formed in the lower end portion 241 of the first pressing member in the transport direction of the carrier tape 900. It is pivoted about a support shaft 243 orthogonal to and is supported so as to move up and down in an arc shape. The movable member 240 is always urged downward by an elastic member (not shown) on the downstream side of the support shaft 243 in the transport direction of the carrier tape 900. A portion of the rail 300 where the lower end of the movable member 240 on the downstream side in the transport direction of the carrier tape 900 is in contact with the rail 300 so that the movable member 240 can rotate even when the first pressing member 220 is in contact with the rail 300. A depression is formed. As a result, in a stage before the first carrier tape 900 is transferred, the upstream side of the movable member 240 in the carrier tape 900 transfer direction is flipped up, and the first holding member 220 of the first carrier tape 900 and the rail 300. Facilitate entry into the space.

While the first carrier tape 900a is being transferred, the movable member 240 is in a rotating state in which the lower end 244 on the downstream side of the carrier tape in the transfer direction is pushed up by the first carrier tape 900a. The movable member 240 in the rotating state closes the gap above the first carrier tape 900a and allows the transfer of the first carrier tape 900a, but the first holding member 220 and the first holding member 220 of the second carrier tape in the standby state. The entry to the carrier tape 900a is blocked.

The first support member 250 and the second support member 260 support the first pressing member 220 in a state where they can be vertically moved up and down by a certain distance, and support one end of the elastic members 270a and 270b to elastically exert the first pressing member. 220 is pressed in the direction of rail 302.

5 to 9 are views showing a process of continuously supplying the carrier tape 900 without splicing in the replenishing unit 200 according to the embodiment of the present invention. The operator inserts the first carrier tape 900a between the second pressing member 230 and the rail 300. The transfer command sent from the control unit 500 to the supply unit drive system 210 starts the transfer of the first carrier tape 900a (FIG. 5). As the first carrier tape 900a is interlocked with the transfer, the lower end 244 of the movable member on the downstream side in the carrier tape transfer direction is pushed up, and the lower surface 245 of the movable member closes the gap above the first carrier tape 900a. It rotates (Fig. 6). Next, the operator inserts the second carrier tape 900b between the second pressing member 230 and the first carrier tape 900a. The second carrier tape 900b is blocked by the movable member 240 from entering between the first holding member 220 and the first carrier tape 900a, and enters the standby state (FIG. 7). When the first carrier tape 900a is completely out of the area of the second pressing member 230, the second pressing member 230 causes the second carrier tape 900b to contact the rail 300 (FIG. 8). The transfer of the second carrier tape 900b is started by the fourth sprocket 215, and the transfer is continuously started to the first carrier tape 900a (FIG. 9). Although not shown in the drawing, if another carrier tape 900 is replenished during the transfer of the second carrier tape 900b, the carrier tape 900 can be continuously supplied to the component supplying apparatus 1000 without splicing. ..

The detection unit 400 includes a sensor and a dog, and is provided on the downstream side of the third sprocket 214 in the carrier tape transfer direction. The detection unit 400 detects the boundary portion between the first carrier tape 900a and the second carrier tape 900b, and outputs the detection signal to the control unit 500.

The control unit 500 includes a CPU, a memory, a drive unit, and a communication unit. The CPU is an arithmetic processing unit, and controls the operation of each unit of the component supply apparatus 1000 based on the programs and data stored in the memory. The memory stores tape feed data in addition to the operation program of the component supply apparatus 1000. The tape feed data is data indicating operating conditions such as a feed amount and a feed speed for moving the carrier tape 900 to be supplied. The drive unit is controlled by the CPU to drive the motor. The communication unit exchanges signals with the detection unit 400.

FIG. 10 is a view showing the reel holder 700 provided in the component supply device 1000 according to the embodiment of the present invention. In the reel holder 700, a first reel holder 701 and a second reel holder 702 are provided below the supply section 200, respectively. The reel holder 700 is a device for holding the carrier tape 900 in a reel form in order to stably supply the carrier tape 900 to the supply section 200. A first carrier tape reel 910 and a second carrier tape reel 920 are stored in the first reel holder 701 and the second reel holder 702, respectively, and the carrier tape 900 is supplied to the replenishing section 200 by each carrier tape reel. .. Since the second reel holder 702 is provided so as to be shifted forward and backward from the first reel holder 701 along the carrier tape transfer direction, the carrier tape 900 supplied by the first carrier tape reel 910 and the second carrier tape reel 920. Do not interfere with each other.

In the above-described embodiment, the movable member 240 is rotated about the support shaft 242 orthogonal to the carrier tape transfer direction in the notch groove formed in the lower end portion 241 of the first pressing member to form an arc shape. Although supported so as to move up and down, a plate-like member that moves up and down linearly with a cylinder may be provided on the upstream side of the first pressing member 220 in the carrier tape transfer direction. For example, a mechanism similar to the detection unit 400 of the above-described embodiment is provided in the middle of the first pressing member 220 and the second pressing member 230, and the cylinder is operated by the signal that detects the end portion of the first carrier tape 900a to move the plate. The same effect can be obtained by closing the gap above the first carrier tape 900a which is being transported by the strip-shaped member.

1000... Component supply device, 100... Supply unit, 200... Replenishment unit, 110... Supply unit drive system, 210... Replenishment unit drive system, 300... Rail, 220... First pressing member, 230... Second pressing member, 240... Movable member, 900... Carrier tape, 910... First carrier tape,... 920... Second carrier tape

Claims (4)

In the component supply device that continuously supplies the carrier tape containing the components without splicing,
A rail for transferring the carrier tape,
A first pressing member provided above the rail so as to be capable of moving up and down;
A second pressing member provided so as to be capable of moving up and down on the upstream side of the first pressing member in the transport direction of the carrier tape,
It is supported to be rotatable about a support shaft perpendicular to the transport direction of the carrier tape in the transport direction upstream side lower end portion of the carrier tape of the first pressing member, vertically in an arc along with the transfer of the carrier tape A movable member that moves,
A component supply device, characterized in that the gap above the carrier tape passing below the movable member is closed by the rotation of the movable member. While the carrier tape is being transferred, the lower end portion of the movable member on the downstream side in the carrier tape transfer direction is pushed up by the carrier tape to be in a rotating state, so that a gap above the carrier tape passing below the carrier tape. The component supply device according to claim 1, wherein the component supply device is closed. In the stage before the carrier tape is transferred, the movable member is in a state in which the upstream side of the movable member in the carrier tape transfer direction is flipped up. The component supply device according to claim 1 or 2, wherein a gap above the carrier tape passing through is closed. Delete

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