Component supply device and component placement machine

Abstract

This component supply device comprises: a pallet equipped with a tape feeder for supplying a component at a supply position by delivering a carrier tape holding the component, the pallet being detachably attachable to the base of a component mounting machine; a connection portion with which the pallet is provided to connect the pallet to the base electrically or structurally; and a tape cutter with which the pallet is provided and which is disposed closer to the supply position of the tape feeder of the pallet than the connection portion, the tape cutter cutting off a used tape corresponding to a part of the carrier tape on the tip-end side thereof with respect to the supply position.

Description

[Technical Field]

[0001] The present specification relates to a component supplying device that uses a tape feeder, and a component mounting machine that includes this component supplying device. [Background technology]

[0002] The technology of mass-producing circuit board products by performing substrate-to-substrate operations on circuit boards with circuit patterns formed on them is becoming widespread. A typical example of a substrate-to-substrate operation machine is a component placement machine that performs component placement operations. Many component placement machines use a tape feeder that pulls out and feeds a carrier tape containing multiple components from a reel. There are two methods for collecting used tape (used portion of carrier tape) after components have been supplied: rewinding it onto another reel, or cutting it to a specified length or less for collection, with the latter method becoming more common these days.

[0003] Conventionally, pallets equipped with multiple tape feeders have been configured in the shape of a carriage, and the entire pallet has been replaced. Furthermore, a main machine cutter that cuts off used tape has been provided on the main machine side of the component placement machine to accommodate multiple pallets. As exemplified in Patent Document 1, a configuration in which tape feeders and tray-type component supply units are mounted on a pallet is also used. When replacing tape feeders or pallets, there is a risk that used tape protruding from the tape feeder may interfere with the replacement process. Patent Document 2 discloses an example of technology that eliminates this risk.

[0004] Patent Document 2 discloses a component mounting machine that includes a cutting device capable of cutting the carrier tape (used tape) hanging from a feeder, and that controls the driving of the cutting device so as to cut the tape before the feeder is removed from the feeder table. According to this document, by simultaneously cutting and rewinding the tape, it is possible to prevent the tape from being pinched between the feeder and the feeder table when the removed feeder is remounted on the feeder table. Another method is for an operator to cut the tape shorter after the removed feeder. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Japanese Patent Application Laid-Open No. 2014-99513 [Patent Document 2] International Publication No. 2019 / 229958 Summary of the Invention [Problem to be solved by the invention]

[0006] However, with the technology of Patent Document 2, even if the used tape is cut by the cutting device on the main body, if rewinding is not performed due to an early loss of power, the length of the used tape is not sufficiently shortened. In other words, the risk of the used tape remaining in the tape feeder interfering with the replacement work is not resolved. Furthermore, with the method in which the worker cuts the used tape, there is a risk that the used tape will interfere with the replacement work if the worker forgets to cut it.

[0007] Therefore, the problem to be solved by this specification is to provide a component supply device in which the replacement work of a pallet equipped with a tape feeder is not hindered by used tape, and a component mounting machine that is configured to include this component supply device. [Means for solving the problem]

[0008] This specification discloses a component supply device comprising: a pallet equipped with a tape feeder that supplies components at a supply position by feeding a carrier tape holding the components, and that is detachably attached to a base of a component mounting machine; a connection portion provided on the pallet that electrically or structurally connects the pallet to the base; and a tape cutter provided on the pallet and positioned closer to the supply position of the tape feeder equipped on the pallet than the connection portion, that cuts off used tape corresponding to a portion of the carrier tape that is further forward than the supply position.

[0009] This specification also discloses a component mounting machine that includes the above-mentioned component supply device, the base, a component transfer device that performs a transfer operation of picking up the component at the supply position and mounting it on a circuit board, and a main-machine-side cutter that is provided farther from the connection part than the supply position of the tape feeder equipped on the pallet attached to the base and cuts the used tape depending on the progress of the transfer operation. [Effects of the Invention]

[0010] In the disclosed component supply device and component mounting machine, the tape cutter is positioned closer to the supply position of the tape feeder than the connection portion, allowing the used tape to be cut to a sufficiently short length. Therefore, the pallet replacement work is not hindered by the used tape remaining in the tape feeder. In other words, when the pallet is next installed, the short used tape remaining in the tape feeder cannot reach the connection portion, so it does not hinder the electrical or structural connection. [Brief explanation of the drawings]

[0011] [Figure 1] 1 is a plan view schematically illustrating the overall configuration of a component mounting machine including a component supply device according to an embodiment; [Figure 2] 1 is a perspective view schematically illustrating a component supply device according to an embodiment; [Figure 3] FIG. 2 is an enlarged perspective view schematically showing a pallet, a connection portion, a tape cutter, and the like that constitute the component supply device. [Figure 4] FIG. 2 is a block diagram showing a control configuration of a component mounting machine and a component supply device. DETAILED DESCRIPTION OF THE INVENTION

[0012] 1. Overall configuration of component placement machine 1 First, the overall configuration of a component mounting machine 1 including a component supply device 3 of an embodiment will be described with reference to Fig. 1. The component mounting machine 1 performs a mounting operation of mounting components onto a circuit board K. As shown in the lower right of Fig. 1, the front, back, left, and right of the component mounting machine 1 are defined for convenience. The direction from left to right in the figure is the X-axis direction along which the circuit board K is transported, and the direction from the bottom (front) to the top (rear) in the figure is the Y-axis direction. The component mounting machine 1 is configured by assembling a board transport device 2, a component supply device 3, a component transfer device 4, a control device 9 (see Fig. 4), and other components to a base 10.

[0013] The board transport device 2 is composed of a pair of guide rails 21, a pair of conveyor belts (not shown), and a clamping mechanism 23. The pair of guide rails 21 extend in the X-axis direction across the upper surface of the base 10 slightly toward the rear, and are attached to the base 10 parallel to each other. The pair of conveyor belts rotate along the guide rails 21 with two parallel sides of the circuit board K placed on them, and carry the circuit board K into a work position near the center of the base 10. The clamping mechanism 23 pushes up the carried-in circuit board K and clamps and positions it between the guide rails 21. After the component mounting operation by the component transfer device 4 is completed, the clamping mechanism 23 releases the circuit board K, and the conveyor belts carry the circuit board K out of the machine.

[0014] The component supply device 3 uses a tray-type component supply unit 53 and a feeder-type component supply unit 5A to supply components to the component transfer device 4 at a supply position 5F. By using two types of supply units in combination, the types of components that can be supplied are diversified and the range of component sizes is expanded. The component supply device 3 is detachably attached to the front side of the base 10. Details of the component supply device 3 will be described later.

[0015] The component transfer device 4 performs a transfer operation of picking up components from the supply position 5F of the component supply device 3 and mounting them on the circuit board K. The component transfer device 4 is composed of a pair of guide rails 40, a Y-axis movable body 41, an X-axis movable body 42, a mounting head 43, a rotary tool 44, a suction nozzle 45, a board recognition camera 46, and a component recognition camera 49. The pair of guide rails 40 are arranged on the left and right edges of the base 10 and extend parallel to but spaced apart from each other in the Y-axis direction. The Y-axis movable body 41 is formed of a member that is long in the X-axis direction and is mounted on the pair of guide rails 40. The Y-axis movable body 41 is driven by a Y-direction drive mechanism (not shown) to move in the Y-axis direction. The X-axis movable body 42 is mounted on the Y-axis movable body 41 and driven by an X-direction drive mechanism (not shown) to move in the X-axis direction.

[0016] The mounting head 43 is provided in front of the X-axis movable body 42 and moves horizontally in two directions together with the X-axis movable body 42. A rotary tool 44 is rotatably provided below the mounting head 43. The rotary tool 44 rotates around a vertical central axis. The rotary tool 44 has multiple (12 in the example of FIG. 1) suction nozzles 45 equidistant from the vertical central axis. The suction nozzles 45 are a type of component mounting tool that mounts components at predetermined mounting positions on the circuit board K. The suction nozzles 45 move up and down and rotate around the vertical axis. When the rotary tool 44 rotates, the suction nozzles 45 revolve around the vertical central axis of the rotary tool 44. The suction nozzles 45 are selectively supplied with negative or positive air from an air supply mechanism (not shown) to pick up and mount components. Alternatively, the rotary tool 44 may be omitted, and a single suction nozzle 45 may be provided below the mounting head 43 so as to be rotatable.

[0017] The board recognition camera 46 is provided on the X-axis movable body 42 alongside the mounting head 43. The board recognition camera 46 is disposed with its optical axis pointing downward, and captures an image of the position reference marks provided on the circuit board K from above. The acquired image data is processed, and the work position on the circuit board K is accurately determined. An example of the board recognition camera 46 is a digital imaging device having an imaging element such as a CCD (Charge Coupled Device) or a CMOS (Complementary Metal Oxide Semiconductor).

[0018] The component recognition camera 49 is provided on the base 10 between the board transport device 2 and the component supply device 3. The component recognition camera 49 is positioned so that its optical axis faces upward. The component recognition camera 49 captures an image of the component held by the suction nozzle 45 from below while the mounting head 43 is moving from the component supply device 3 to the circuit board K, and recognizes the component. This determines whether the type of component is correct or incorrect, and also detects the position and orientation of the component relative to the suction nozzle 45, which are reflected in the mounting operation. An example of the component recognition camera 49 is a digital imaging device having an imaging element such as a CCD or CMOS.

[0019] The component transfer device 4 can repeat a suction and placement cycle, which corresponds to a transfer operation, for the positioned circuit board K. In a suction and placement cycle, first, the placement head 43 moves above the component supply device 3, and each suction nozzle 45 picks up a component. Next, the placement head 43 moves above the component recognition camera 49, and the component recognition camera 49 takes an image. Next, the placement head 43 moves above the circuit board K, and each suction nozzle 45 places a component on the circuit board K. Then, the placement head 43 moves again toward the component supply device 3. The suction and placement cycle is a general term for the series of operations described above.

[0020] 2. Configuration of component supply device 3 Next, the configuration of the component supply device 3 of this embodiment will be described with reference to FIGS. 1 to 3. Note that in FIG. 3, the base 10 is not shown, and further, the side of the tape cutter 7 is not shown. The component supply device 3 is made up of a pallet 51, a tray-type component supply unit 53, a feeder-type component supply unit 5A, the tape cutter 7, and a collection box 8. The pallet 51 is formed in a roughly rectangular shape in a plan view (see FIG. 1) and has left and right legs 52 (see FIG. 2). Each of the left and right legs 52 is provided with wheels and a handle for movement (not shown). As a result, the pallet 51 is configured in the shape of a dolly, and is detachably attached to the front side of the base 10.

[0021] As shown in Figure 2, a pair of left and right positioning pins 61 are provided near the right and left edges of the rear surface of the pallet 51 so as to protrude rearward. When attaching the pallet 51 to the base 10, the positioning pins 61 are fitted into positioning holes provided in the base 10 to guide the attachment position of the pallet 51. The positioning pins 61 also stabilize the position of the pallet 51 after attachment. The positioning pins 61 are one form of connecting part that structurally connects the pallet 51 to the base 10.

[0022] An electrical connector 62 is provided next to the positioning pin 61 on the right side. The electrical connector 62 automatically engages with a supply-side connector provided on the base 10 in synchronization with the positioning pin 61 fitting into the positioning hole. The supply-side connector is connected to a power supply unit (not shown). Therefore, when the electrical connector 62 engages with the supply-side connector, power is supplied to the pallet 51. In addition, the electrical connector 62 also serves to communicatively connect a pallet control unit 91 (see FIG. 4, described below) to the control device 9. The electrical connector 62 is one form of a connection unit that electrically connects the pallet 51 to the base 10.

[0023] The tray-type component supply unit 53 is disposed to the left of the upper surface of the pallet 51. The tray-type component supply unit 53 supplies components using trays 54, each of which stores a component in a plurality of storage compartments formed in a two-dimensional grid pattern. The tray-type component supply unit 53 is composed of a tray rack 55, a drawer unit 56, and a tray control unit 92 (see FIG. 4, described later). The tray rack 55 accommodates a tray magazine that stores a plurality of trays 54 so that the tray magazine can be raised and lowered. The drawer unit 56 pulls out the tray 54 from the tray magazine to a supply position at the rear, allowing the component to be picked up by the suction nozzle 45. In FIG. 1, the tray 54 in the supply position is indicated by a solid line, and the tray 54 in the tray magazine is indicated by a dashed line.

[0024] The feeder-type component supply unit 5A is located to the right of the top surface of the pallet 51. The feeder-type component supply unit 5A supplies components using a carrier tape that holds one component in each of multiple cavities. The carrier tape consists of a base tape with cavities formed in it and a cover tape that is attached to the base tape on both side edges and covers the cavities. The feeder-type component supply unit 5A is composed of a feeder mounting unit 5B, a reel holding unit 5G, etc.

[0025] The feeder mounting section 5B is located toward the rear of the pallet 51. The feeder mounting section 5B is formed by a bottom plate, an upright section 5C that stands up from the rear end of the bottom plate, and side plates 5D that stand up from the left and right edges of the bottom plate. The bottom plate of the feeder mounting section 5B has a plurality of slots that extend in the front-to-rear direction and are formed at a predetermined pitch in the left-to-right direction. The upright section 5C of the feeder mounting section 5B is provided with a positioning section that determines the position of the tape feeder 5E, as well as an electrical connection section that enables power supply and communication connection to the tape feeder 5E.

[0026] A tape feeder 5E is inserted from the front into each slot in the bottom plate and set, and its position is determined by the positioning unit. At the same time as positioning, the electrical connection unit is automatically connected. As a result, power is supplied to the tape feeder 5E, and the feeder control unit 93 (see FIG. 4, described later) is connected to the pallet control unit 91 for communication, making the tape feeder 5E operable. FIG. 1 illustrates three tape feeders 5E mounted in the feeder mounting unit 5B, and FIG. 3 illustrates one mounted tape feeder 5E.

[0027] The reel holding unit 5G is disposed at a lower front position of the feeder mounting unit 5B. The reel holding unit 5G rotatably holds a reel around which a carrier tape is wound between partition plates. The number of reels that the reel holding unit 5G can hold is equal to or greater than the number of tape feeders 5E that can be mounted on the feeder mounting unit 5B. Note that if the tape feeder 5E itself is configured to hold the reels, the reel holding unit 5G is not used.

[0028] The tape feeder 5E is formed to be thin and have a small width in the left-right direction. The tape feeder 5E is set in the feeder mounting portion 5B, and is loaded with a carrier tape pulled out from a reel in the reel holding portion 5G. The tape feeder 5E feeds this carrier tape to supply components at the supply position 5F at the upper rear. Note that it is permissible to mix and use multiple types of tape feeders 5E with different widths in the left-right direction and internal configurations.

[0029] The tape feeder 5E includes a tape peeling unit (not shown). The tape peeling unit peels one side edge of the cover tape from the base tape and passes the supply position 5F. This enables the suction nozzle 45 to pick up the component at the supply position 5F. After the component is removed and the carrier tape passes the supply position 5F, the cover tape and base tape move backward without being separated, and become the used tape CT, which corresponds to the portion further forward than the supply position 5F (see FIG. 3). This is not a limitation, and a configuration is also possible in which both side edges of the cover tape are peeled and separated from the base tape, and the cover tape and base tape separately become the used tape CT.

[0030] The tape cutter 7 is provided on the pallet 51 and is positioned closer to the supply position 5F of the tape feeder 5E than the positioning pin 61 and the electrical connector 62. In the example shown in FIGS. 2 and 3, the tape cutter 7 is positioned above the standing portion 5C of the feeder mounting portion 5B and is located behind the supply position 5F. The used tape CT enters the tape cutter 7 horizontally and rearward. Note that the tape cutter 7 may also be positioned behind the standing portion 5C, higher than the positioning pin 61 and the electrical connector 62, so that the used tape CT enters vertically.

[0031] The tape cutter 7 has a left-right dimension similar to that of the feeder mounting unit 5B and is formed in the shape of a generally rectangular tube with openings at the front and rear. The tape cutter 7 has an upper blade 71 and a lower blade 72 that extend left-right and are arranged opposite each other above and below. When the component mounting machine 1 is in operation, the tape cutter 7 is maintained in an open state with the upper blade 71 and the lower blade 72 spaced apart. Therefore, the used tape CT passes between the upper blade 71 and the lower blade 72 without resistance. The tape cutter 7 has the function of simultaneously cutting the used tapes CT of the multiple tape feeders 5E set in the feeder mounting unit 5B. In other words, at least one of the upper blade 71 and the lower blade 72 is a movable blade, and cuts (shears) the used tape CT by closing the blade.

[0032] The collection box 8 collects used tape CT cut by the tape cutter 7 and the main-side cutter 13 (see FIG. 3, described later). The collection box 8 is formed in the shape of a rectangular parallelepiped box that opens upward, and is placed between the left and right legs 52. When the pallet 51 is attached to the base 10, the collection box 8 is located below the main-side cutter 13. The collection box 8 can be separated from the pallet 51 by pulling it out forward, making it easy to dispose of the cut used tape CT.

[0033] There are other types of cart-shaped pallets besides those mentioned above. For example, there are feeder-only pallets equipped only with feeder-type component supply units 5A, and tray-only pallets equipped only with tray-type component supply units 53. There are also wafer-only pallets that supply components cut from semiconductor wafers using dicing film.

[0034] 3. Configuration of this machine regarding the disposal of used tape CT Next, the configuration of the main machine side (the main body side of the component mounting machine 1) for processing used tape CT will be described with reference to Figures 1 and 3. Note that part of the right side surface 12 of the tape guide 11 is not shown in Figure 3. As shown, the tape guide 11 and the main machine side cutter 13 are provided in a position close to the pallet 51 of the base 10. The tape guide 11 and the main machine side cutter 13 are large enough to cover most of the width of the base 10 in the left-right direction so as to be compatible with feeder-dedicated pallets.

[0035] The tape guide 11 guides the direction of travel of the used tape CT as it travels rearward from the multiple tape feeders 5E through the tape cutter 7. The tape guide 11 is formed in the shape of a bent rectangular tube (commonly called a duct). The tape guide 11 starts from the rear side of the tape cutter 7 and extends horizontally rearward, then bends midway and gradually changes direction downward. Furthermore, the tape guide 11 descends slightly forward rather than downward, and its end point contacts the main-side cutter 13. In other words, the tape guide 11 guides the used tape CT from the tape cutter 7 to the main-side cutter 13.

[0036] The main-machine-side cutter 13 has a pair of front and rear cutting blades that clamp and simultaneously cut multiple used tapes CT lined up in the left-right direction from the front and back. The pair of cutting blades are longer and larger than the upper blade 71 and lower blade 72 of the tape cutter 7, and require a greater driving force. For this reason, the main-machine-side cutter 13 consumes more power during operation than the tape cutter 7. The main-machine-side cutter 13 also has a guide section that guides the cut used tapes CT so that they fall toward the collection box 8 below.

[0037] In this embodiment, the tape guide 11 and the main cutter 13 are only functional in the range corresponding to the width of the tape cutter 7 (the range enclosed by the dashed line and the right side surface 12 in FIG. 3). The main cutter 13 maintains a pair of cutting blades in an open state except during cutting operations. Therefore, used tape CT passes between the cutting blades without resistance. The main cutter 13 is inactive when a tray-only pallet or wafer-only pallet is attached to the base 10.

[0038] Here, the main-machine-side cutter 13 is provided below the positioning pin 61 and the electrical connector 62 with respect to the supply position 5F of the tape feeder 5E. In other words, the main-machine-side cutter 13 is provided farther away than the positioning pin 61 and the electrical connector 62. For this reason, a problem occurs in a configuration that does not include the tape cutter 7.

[0039] More specifically, the pallet 51 is replaced during a changeover operation when changing the type of substrate product being produced. At this time, the used tape CT remaining in the tape feeder 5E after being cut by the machine-side cutter 13 on the removed pallet 51 is pulled out of the tape guide 11 and hangs down behind the feeder mounting section 5B. Then, the next time this pallet 51 is attached to the base 10, the long used tape CT can reach the positioning pins 61 and the electrical connector 62. For this reason, the long used tape CT may interfere with the insertion of the positioning pins 61 into the positioning holes or the mating of the electrical connector 62 with the supply-side connector, hindering the installation work. To eliminate this possibility, the tape cutter 7 is provided.

[0040] 4. Control configuration of component placement machine 1 and component supply device 3 Next, the control configuration of the component mounting machine 1 and the component supply device 3 will be described with reference to FIG. 4. The control device 9, a component of the component mounting machine 1, is mounted on a base 10, and its location is not particularly limited. The control device 9 is configured as a computer device having a CPU and operating on software. The control device 9 may also be configured with multiple CPUs distributed within the machine and connected for communication. The control device 9 controls the board transport device 2, component supply device 3, and component transfer device 4 based on mounting operation data created for each type of circuit board K, and proceeds with the component mounting operation. Furthermore, the control device 9 controls the operation of the machine-side cutter 13.

[0041] The pallet 51 of the component supply device 3 is provided with a pallet control unit 91. As described above, the pallet control unit 91 is communicatively connected to the control device 9 via the electrical connector 62. The pallet control unit 91 is also communicatively connected to the tray control unit 92. The tray control unit 92 controls the tray-type component supply unit 53 in accordance with commands received from the control device 9 via the pallet control unit 91. Specifically, the tray control unit 92 controls the raising and lowering operation of the tray magazine in the tray rack 55, and the pulling and returning operation of the tray 54 by the drawer unit 56.

[0042] Furthermore, the pallet control unit 91 is automatically connected for communication with the feeder control unit 93 of each tape feeder 5E set in the feeder mounting unit 5B. The feeder control unit 93 controls the feeding of the carrier tape in accordance with commands sent from the control device 9 via the pallet control unit 91, thereby controlling the supply of components at the supply position 5F. Furthermore, the pallet control unit 91 functions as a cutting control unit that controls the operation of the tape cutter 7.

[0043] 5. Cutting operation of used tape CT Next, we will explain the operations of the component mounting machine 1 and the component supply device 3, mainly regarding the cutting operation of the used tape CT. While the component mounting machine 1 is operating, the pallet control unit 91 does not operate the tape cutter 7 and keeps it open. Meanwhile, the control device 9 operates the main machine cutter 13 to cut the used tape CT depending on the progress of the transfer operation (suction and placement cycle) of the component transfer device 4. For example, the control device 9 operates the main machine cutter 13 every time a predetermined number of suction and placement cycles have been performed. Alternatively, the control device 9 can calculate the extended length of the used tape CT from the number of used components, and then operate the main machine cutter 13 when the extended length reaches a predetermined length.

[0044] In either case, the main cutter 13 simultaneously cuts the used tape CT from all tape feeders 5E. The cut used tape CT falls into the collection box 8 and is collected. The length of the cut used tape CT may differ for each tape feeder 5E, but it is possible to manage it to be equal to or less than a predetermined length.

[0045] As the component transfer device 4 progresses in its transfer operation and completes the component mounting operation on the circuit board K of the current board type, the control device 9 maintains the pair of cutting blades of the main machine cutter 13 in an open state. Meanwhile, the worker performs a setup change to move on to the next board type. During the setup change, there are cases where the pallet 51 attached to the base 10 does not need to be replaced and cases where it does. In the former case, the control device 9 can start the component mounting operation on the circuit board K of the next board type while leaving the component supply device 3 in its current state.

[0046] In the latter case, the control device 9 sends a removal command to the pallet control unit 91 to remove the pallet 51 from the base 10. Furthermore, the control device 9 restricts the start of the removal work of the pallet 51. As a specific restriction method, for example, the control device 9 displays on a display unit (not shown) that the removal work of the pallet 51 is prohibited. The purpose of this restriction is to maintain the power supply and communication connection via the connection of the electrical connector 62, so that the pallet control unit 91 and tape cutter 7 can operate.

[0047] When the pallet control unit 91 receives a removal command, it operates the tape cutter 7 to cut the used tape CT. As a result, the cut used tape CT passes between the open cutting blades of the main unit cutter 13 and falls into the collection box 8 for collection. Meanwhile, the used tape CT remaining in the tape feeder 5E is very short. Therefore, the next time this pallet 51 is attached to the base 10, the very short used tape CT will not be able to reach the positioning pins 61 or the electrical connector 62, and will not hinder the attachment work.

[0048] After the tape cutter 7 operates, the pallet control unit 91 sends an end signal to the control device 9, indicating that cutting of the used tape CT has been completed. After receiving the end signal, the control device 9 permits the start of the work of removing the pallet 51. This allows the worker to replace the pallet 51.

[0049] It is possible that the tape cutter 7 may not operate when the pallet 51 is removed from the base 10 due to an operator's removal operation not being aware of the restrictions or for other reasons. In this case, the operator can implement recovery measures. In recovery measures, the tape cutter 7 is operated on the pallet 51 that has been removed from the base 10 using a work jig that can supply power to the pallet 51 and communicate with the pallet control unit 91. As a result of the recovery measures, the length of used tape CT remaining in the tape feeder 5E becomes very short, and does not interfere with the next installation work of the pallet 51.

[0050] Furthermore, it is preferable that the control device 9 or the pallet control unit 91 display at least one of the following items (A) to (C) on the display unit (not shown). This allows the worker to understand the contents and timing of the changeover work by looking at the display, thereby improving work efficiency. (A) Whether or not pallet 51 needs to be replaced (B) Removal of pallet 51 is restricted (tape cutter 7 is in operation). (C) Removal of the pallet 51 is permitted (operation of the tape cutter 7 is completed).

[0051] In the component supply device 3 and the component mounting machine 1 of the embodiment, the tape cutter 7 is positioned closer to the supply position 5F of the tape feeder 5E than the positioning pins 61 and the electrical connector 62, and can cut the used tape CT to a sufficiently short length. Therefore, the replacement work of the pallet 51 is not hindered by the used tape CT remaining in the tape feeder 5E. In other words, when the pallet 51 is next installed, the short used tape CT remaining in the tape feeder 5E cannot reach the positioning pins 61 and the electrical connector 62, and therefore does not hinder electrical or structural connections.

[0052] 6. Applications and Modifications of the Embodiments Note that the pallet 51 equipped with both the tray-type component supply unit 53 and the feeder-type component supply unit 5A is not essential, and the tape cutter 7 may be provided on a feeder-only pallet equipped with only the feeder-type component supply unit 5A. Also, an operation mode is possible in which the tape cutter 7 operates according to the progress of the transfer operation of the component transfer device 4 while the component mounting machine 1 is operating, and the main-machine-side cutter 13 is inactive. This saves power compared to an operation mode in which the main-machine-side cutter 13 operates while the component mounting machine 1 is operating. In this operation mode, the main-machine-side cutter 13 operates when a component supply device equipped with a tape feeder 5E but not a tape cutter 7 is attached to the base 10. Various other applications and modifications of the embodiment are possible. [Explanation of symbols]

[0053] 1: Component placement machine 10: Base 11: Tape guide 13: Main machine side cutter 2: Board transport device 3: Component supply device 4: Component transfer device 51: Pallet 53: Tray type component supply unit 54: Tray 5A: Feeder type component supply unit 5B: Feeder mounting unit 5E: Tape feeder 5F: Supply position 5G: Reel holding unit 61: Positioning pin 62: Electrical connector 7: Tape cutter 71: Upper blade 72: Lower blade 8: Collection box 9: Control unit 91: Pallet control unit 93: Feeder control unit CT: Used tape

Claims

1. a pallet equipped with a tape feeder that feeds a carrier tape holding components to supply the components at a supply position, the pallet being detachably attached to a base of the component mounting machine; a connection portion provided on the pallet for electrically or structurally connecting the pallet to the base; a tape cutter that is provided on the pallet and is positioned closer to the supply position of the tape feeder mounted on the pallet than the connection portion, and that cuts off a used tape corresponding to a portion of the carrier tape that is closer to the tip end than the supply position; a cutting control unit that operates the tape cutter when a command to remove the pallet from the base is received while the pallet is attached to the base; A parts supply device comprising:

2. The component supply device according to claim 1 , further comprising a collection box for collecting the cut used tape.

3. 3. The component supply device according to claim 1, wherein the pallet is equipped with a tray-type component supply unit that supplies the components using a tray holding the components.

4. A component supply device according to any one of claims 1 to 3; The base; a component transfer device that performs a transfer operation of picking up the component at the supply position and mounting it on a circuit board; a main machine side cutter that is provided farther away than the connection portion from the supply position of the tape feeder equipped on the pallet attached to the base and that cuts the used tape depending on the progress of the transfer operation; A component placement machine comprising:

5. the component supply device includes a collection box for collecting the used tape cut by the tape cutter and the main-machine-side cutter; 5. The component mounting machine according to claim 4.

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