Component mounter and backup pin accommodation method

Abstract

Provided is a component mounting machine including a head capable of picking up a component, a board conveying device for conveying a board, a backup device for supporting the back side of the board with backup pins, and a holding table on which the backup pins are placed. In this invention, the backup device includes the backup pins and a backup plate including a mounting surface on which the backup pins are placed and through holes that pass through the backup plate in the vertical direction such that the backup pins can be inserted. The holding table is disposed below the through holes, and the backup pins inserted into the through holes are placed on the holding table.

Description

[Technical field]

[0001] This specification discloses a component mounter and a method for accommodating a backup pin. [Background technology]

[0002] Conventionally, a component mounter that mounts components on a substrate is known that includes a substrate transport device that transports the substrate and a backup device that backs up the substrate transported by backup pins arranged on a backup plate from the back side. For example, Patent Document 1 discloses a backup jig that is used in the backup device, attaches multiple backup pins to a backup plate, and retrieves the multiple backup pins from the backup plate to which the multiple backup pins are attached. The backup jig has a jig plate that has multiple holes, each of which can detachably receive multiple backup pins, and a retention device that switches between a retention state that holds the backup pins in the multiple holes and a release state that releases the multiple backup pins inserted into the multiple holes. The backup jig is transported in the same manner as the substrate, and retrieves multiple backup pins from the backup plate all at once, or attaches multiple backup pins to the backup plate all at once. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] JP 2017-143161 A Summary of the Invention [Problem to be solved by the invention]

[0004] Although Patent Document 1 describes using a backup jig to retrieve and attach multiple backup pins to a backup plate, it does not mention anything about storing unused backup pins in a backup device.

[0005] A primary object of the present disclosure is to make it possible to store unused backup pins within a backup device while suppressing an increase in size of the device. [Means for solving the problem]

[0006] In order to achieve the above-mentioned main object, the present disclosure has adopted the following means.

[0007] The component mounter of the present disclosure includes: A component mounter that mounts components on a board, A head capable of picking up the part; a substrate transport device for transporting the substrate; a backup device including backup pins, a backup plate including an installation surface on which the backup pins are installed and through holes through which the backup pins are inserted vertically, the backup device backing up a back surface of the substrate transported by the substrate transport device with the backup pins installed on the installation surface; a receiving table disposed below the through hole and on which the backup pin inserted into the through hole is placed; The gist of the invention is to provide the following:

[0008] The component mounter disclosed herein includes a backup device having backup pins and a backup plate including a mounting surface on which the backup pins are mounted, and which backs up a board from the back side with the backup pins mounted on the mounting surface. The backup plate further includes a through hole penetrating vertically. A storage stand is disposed below the through hole, and the backup pin inserted into the through hole is placed on the storage stand. This allows the backup pins to be stored below the backup plate, eliminating the need to secure a dedicated space for storing the backup pins. As a result, it is possible to store unused backup pins within the device while suppressing an increase in size of the backup device. [Brief description of the drawings]

[0009] [Figure 1] 1 is a schematic configuration diagram of a component mounter according to an embodiment of the present invention; [Diagram 2] FIG. 2 is a block diagram showing an electrical connection relationship of the component mounter. [Diagram 3] FIG. 2 is a schematic configuration diagram of a substrate transport device and a backup device. [Figure 4] FIG. 4 is a schematic diagram of a backup pin. [Diagram 5] FIG. 2 is a schematic diagram of a head. [Figure 6A] FIG. 2 is a schematic diagram of a suction nozzle. [Figure 6B] FIG. 2 is a schematic diagram of a picker nozzle. [Figure 7] FIG. 2 is a schematic diagram of a backup pin stocker; [Figure 8A] FIG. 13 is an explanatory diagram showing the positional relationship between the backup pins and the backup plate on the storage table when the storage table is at the uppermost lift position. [Figure 8B] FIG. 13 is an explanatory diagram showing the positional relationship between the backup pin and the backup plate on the storage table when the storage table is at the lowered end. [Figure 9] 13 is a flowchart showing an example of a first lane backup pin installation process. [Figure 10]13 is a flowchart showing an example of a backup pin setting process for a second lane. [Figure 11A] FIG. 11 is an explanatory diagram showing a state in which a backup pin is installed in the second lane. [Figure 11B] FIG. 11 is an explanatory diagram showing a state in which a backup pin is installed in the second lane. [Figure 11C] FIG. 11 is an explanatory diagram showing a state in which a backup pin is installed in the second lane. [Figure 11D] FIG. 11 is an explanatory diagram showing a state in which a backup pin is installed in the second lane. [Figure 11E] FIG. 11 is an explanatory diagram showing a state in which a backup pin is installed in the second lane. [Figure 12] FIG. 13 is a schematic configuration diagram of a component mounter according to another embodiment. [Figure 13] FIG. 13 is a schematic configuration diagram of a component mounter according to another embodiment. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0010] Next, an embodiment of the present disclosure will be described with reference to the drawings.

[0011] FIG. 1 is a schematic diagram of a component mounter of this embodiment. FIG. 2 is a block diagram showing electrical connections of the component mounter. FIG. 3 is a schematic diagram of a board transport device and a backup device. FIG. 4 is a schematic diagram of a backup pin. FIG. 5 is a schematic diagram of a head. FIG. 6A is a schematic diagram of a suction nozzle. FIG. 6B is a schematic diagram of a picker nozzle. FIG. 7 is a schematic diagram of a backup pin stocker.

[0012] 1, the component mounter 10 of this embodiment includes a feeder 16, a board transport device 20, a backup device 30, a head 50, a head moving device 70, and a control device 90 (see FIG. 2). In addition to these, the component mounter 10 also includes first and second backup pin stockers 40a, 40b, a nozzle stocker 81, a parts camera 82, a mark camera 83, and the like.

[0013] The feeder 16 is detachably attached to a feeder table (not shown) installed in the front of the component mounter 10. The feeder 16 is, for example, a tape feeder, and includes a carrier tape in which components are housed in a plurality of cavities formed at predetermined intervals, a reel around which the carrier tape is wound, and a tape feeding device that unwinds and feeds out the carrier tape from the reel.

[0014] As shown in FIG. 3, the substrate transport device 20 is a belt conveyor device and is configured as a dual-lane type transport device having two lanes (first and second lanes 20a, 20b) that transport the substrate S in parallel from left to right.

[0015] As shown in Fig. 3, the first lane 20a has a long fixed conveyor rail 21a extending left and right, and a long movable conveyor rail 22a extending left and right and movable back and forth. Each of the fixed conveyor rail 21a and the movable conveyor rail 22a includes a side plate 23, a pair of rollers 24 provided at both left and right ends of the opposing sides of the side plate 23, a conveyor belt 25 stretched over the pair of rollers 24, a belt drive device 26 (see Fig. 2) that drives the conveyor belt 25 in a circular motion, and two support columns 27 that support both left and right ends of the side plate 23. The two support columns 27 of the fixed conveyor rail 21a are fixed to one end (front end in Fig. 3) of a pair of left and right support bases 29 extending forward and backward, and the two support columns 27 of the movable conveyor rail 22a are installed on a guide rail 29g provided on the support base 29 so as to extend forward and backward from the one end to the other end. The movable conveyor rail 22a further includes a rail movement device 28, and is moved left and right along the guide rail 29g by being driven by the rail movement device 28. The first lane 20a can transport a plurality of types of boards S of different sizes by adjusting the distance between the fixed conveyor rail 21a and the movable conveyor rail 22a by moving the movable conveyor rail 22a in accordance with the width of the board S.

[0016] As shown in Fig. 3, the second lane 20b has a long movable conveyor rail 21b that is installed adjacent to the movable conveyor rail 22a of the first lane 20a, extends left and right, and is movable back and forth, and a long movable conveyor rail 22b that is installed adjacent to the movable conveyor rail 22a of the movable conveyor rail 21b on the opposite side to the movable conveyor rail 22a, extends left and right, and is movable back and forth. Each of the movable conveyor rails 21b and 22b includes a side plate 23, a pair of rollers 24 provided at both left and right ends of the opposing sides of the side plate 23, a conveyor belt 25 stretched across the pair of rollers 24, a belt drive device 26 (see Fig. 2) that drives the conveyor belt 25 in a circular motion, and two support columns 27 that support both left and right ends of the side plate 23. The two support columns 27 of the movable conveyor rails 21b and 22b are installed on a guide rail 29g shared with the first lane 20a. The movable conveyor rails 21b, 22b further include a rail movement device 28, and are moved left and right along the guide rail 29g by driving the rail movement device 28. The second lane 20b can transport a plurality of types of boards S of different sizes by adjusting the distance between the movable conveyor rails 21b, 22b by moving one or both of them in accordance with the width of the board S.

[0017] As shown in FIG. 3, the backup device 30 supports the back surface of the substrate S transported by the first and second lanes 20a and 20b. The backup device 30 includes a backup plate 31, a plate lifting device 32 (see FIG. 2) for lifting and lowering the backup plate 31, a plurality of backup pins 35 installed on the backup plate 31, and first and second backup pin stockers 40a and 40b for accommodating the unused extra backup pins 35. The backup plate 31 is a flat plate member formed of a magnetic material, extends forward and backward, and has an installation surface on an upper surface 31u on which the backup pins 35 are installed. In this embodiment, as shown in FIG. 3, the substrate transport device 20 has two (multiple) lanes (the first and second lanes 20a and 20b), and the backup plate 31 extends so that both ends in the forward and backward directions span the multiple lanes. As a result, by installing the necessary backup pins 35 on one backup plate 31, the substrate S transported by each of the two lanes can be backed up. However, the backup plate may be provided one for each lane, and may be configured to be raised and lowered independently by separate plate lifting devices. A plurality of through holes 31h are formed at both ends in the front-rear direction of the backup plate 31, penetrating vertically. The plurality of through holes 31h are arranged at a predetermined interval in the left-right direction (substrate conveying direction) and have an inner diameter sufficient to insert one backup pin 35. Some of the plurality of through holes 31h are spaced apart at intervals sufficient to install the backup pin 35 therebetween. The through holes 31h may have an opening with an inner diameter larger than the inner diameter sufficient to insert one backup pin 35. The plate lifting device 32 is composed of a ball screw device or an air cylinder device, and raises and lowers the backup plate 31 between a position where the rear surface of the substrate S and the tip of the backup pin 35 abut against each other and a position where they are separated from each other, with the backup pin 35 installed on the upper surface of the backup plate 31.

[0018] 4, the backup pin 35 includes a pin body 36 that extends vertically in an upright state and has a tip end with a smaller diameter than a base end, a flat support surface 37 formed at the tip of the pin body 36, and a permanent magnet 38 embedded in the bottom of the pin body 36. As described above, the backup plate 31 is made of a magnetic material, and when the backup pin 35 is placed on the backup plate 31, it is fixed in an upright state to the backup plate 31 by the magnetic attraction of the permanent magnet 38. Furthermore, the outer peripheral surface of the tip end of the backup pin 35 is formed with a plurality of (three) engagement portions 39 (protrusions) that protrude radially at predetermined angular intervals (for example, 120°) in the circumferential direction.

[0019] 5, the head 50 is, for example, a rotary head, and includes a head body 51 having a plurality of holders 52 arranged in the circumferential direction, an R-axis actuator 53 for rotating the head body 51 (revolving the holders 52), a θ-axis actuator 54 for rotating (rotating) the holders 52, and a Z-axis actuator 55 for raising and lowering the holders 52 up and down. A suction nozzle 56 and a picker nozzle 60 are replaceably attached to the tip of the holder 52.

[0020] 1, the head moving device 70 includes a pair of left and right Y-axis guide rails 73 provided on the upper stage of the housing 12 so as to extend in the front-rear direction, a Y-axis slider 74 bridged between the pair of Y-axis guide rails 73, an X-axis guide rail 71 provided on the Y-axis slider 74 so as to extend in the left-right direction, and an X-axis slider 72 attached to the X-axis guide rail 71. The X-axis slider 72 is driven by an X-axis actuator 75 (see FIG. 2), and the Y-axis slider 74 is driven by a Y-axis actuator 76 (see FIG. 2). The head 50 is attached to the X-axis slider 72, and moves back and forth and left and right by being driven by the X-axis actuator 75 and the Y-axis actuator 76.

[0021] 6A, the suction nozzle 56 includes an attachment portion 57 provided on the base end side and inserted into the holder 52 for attachment, and a collection portion 58 provided on the tip end side for collecting a component. The collection portion 58 is a cylindrical member, and when negative pressure is introduced from a negative pressure source (not shown), it sucks and collects a component.

[0022] The picker nozzle 60 is a nozzle capable of picking up the backup pin 35, and includes a mounting portion 61 formed in the same shape as the mounting portion 57 mounted on the holder 52, and a picking portion 62 provided on the tip side for picking up the backup pin 35, as shown in FIG. 6B. The picking portion 62 has a plurality (three) of engaged portions 63 that respectively engage with the respective engaging portions 39 (protruding portions) of the backup pin 35. The plurality of engaged portions 63 are hook-shaped members including a hook tip portion 64 and a hook recess 65. The engaged portions 63 are formed such that the hook tip portions 64 face one side in the circumferential direction at a predetermined angular interval (for example, 120°) in the circumferential direction. The picker nozzle 60 inserts the engaging portion 39 (protruding portion) of the backup pin 35 into a gap 66 between the engaged portions 63 (hook portions) in the circumferential direction and hooks the engaging portion 39 (protruding portion) of the backup pin 35 into the hook recess 65, thereby picking up the backup pin 35.

[0023] 1, the nozzle stocker 81 is installed between the first lane 20a and the feeder 16, and stores a plurality of nozzles for replacement. In this embodiment, the nozzle stocker 81 stores a plurality of types of suction nozzles 56 of different sizes as well as the above-mentioned picker nozzle 60. The nozzles attached to the holder 52 are automatically replaced as necessary based on the movement of the head 50 by the head moving device 70 and the elevation and lowering of the holder 52 by the Z-axis actuator 55 relative to the nozzle stocker 81.

[0024] The first and second backup pin stockers 40a, 40b accommodate a plurality of backup pins 35. As shown in FIG. 3, the first backup pin stocker 40a is disposed below a plurality of through holes 31h formed at the front end of the backup plate 31, and accommodates the backup pins 35 installed in the first lane 20a of the backup plate 31 (between the fixed conveyor rail 21a and the movable conveyor rail 22a). On the other hand, the second backup pin stocker 40b is disposed below a plurality of through holes 31h formed at the rear end of the backup plate 31, and accommodates the backup pins 35 installed in the second lane 20b of the backup plate 31 (between the movable conveyor rail 21b and the movable conveyor rail 22b). In this way, by disposing the first and second backup pin stockers 40a, 40b below the backup plate 31 (inside the backup device 30), the feeder 16 can be brought closer to the board transport device 20 compared to one disposed outside the backup device 30. This makes it possible to shorten the moving distance of head 50 when picking up components from feeder 16 and mounting them on board S, thereby shortening the mounting time.

[0025] As shown in Fig. 7, each of the first and second backup pin stockers 40a, 40b has a storage table 41 and a storage table lifting device 43 that lifts and lowers the storage table 41. A plurality of storage protrusions 42 are provided on the upper surface of the storage table 41, each of which is located directly below the corresponding through-hole 31h. In this embodiment, the storage protrusions 42 are made of a magnetic material. When the backup pin 35 is placed on the storage protrusions 42, the backup pin 35 is fixed in an upright state to the storage protrusions 42 by the magnetic attraction of the permanent magnet 38 embedded in the bottom.

[0026] The storage table lifting device 43 is composed of an air cylinder device or a ball screw device, and lifts and lowers the storage table 41 between a position where the upper surface of the storage table 41 abuts against the bottom surface of the backup plate 31 and a position where they are separated from each other. The storage protrusion 42 has a height substantially equal to the thickness of the backup plate 31, and when the storage table 41 rises to the upper end, the bottom surface of the backup pin 35 placed on the storage protrusion 42 rises to a height substantially equal to the upper surface of the backup plate 31, as shown in Fig. 8A. When the storage table 41 descends to the lower end, the backup pin 35 placed on the storage protrusion 42 descends until a part or all of the backup pin 35 is located below the backup plate 31, as shown in Fig. 8B.

[0027] As shown in Fig. 2, the control device 90 includes a CPU 91, a ROM 92, a RAM 93, a storage device 94, and an input / output interface 95. These are electrically connected via a bus 96. To the control device 90, various signals are input via the input / output interface 95 from an X-axis position sensor that detects the position of the X-axis slider 72, a Y-axis position sensor that detects the position of the Y-axis slider 74, a Z-axis position sensor that detects the lifting position of the holder 52, the parts camera 82, the mark camera 83, and the like. On the other hand, from the control device 90, various control signals are output via the input / output interface 95 to the feeder 16, the belt drive device 26, the rail moving device 28, the plate lifting device 32, the storage table lifting device 43, the X-axis actuator 75, the Y-axis actuator 76, the R-axis actuator 53, the θ-axis actuator 54, the Z-axis actuator 55, the parts camera 82, the mark camera 83, and the like. The control device 90 is communicably connected to a management computer (not shown), receives jobs from the management computer, and produces products by mounting components on the board S in accordance with the received jobs.

[0028] The parts camera 82 is installed between the first lane 20a and the feeder 16, and captures images of the parts picked up by the suction nozzle 56 from below and transmits the images to the control device 90. The control device 90 processes the captured images to recognize suction errors and suction deviations.

[0029] The mark camera 83 is installed on the head 50 or the X-axis slider 72, and captures images of the reference marks affixed to the substrate S from above, and the backup pins 35 on the backup plate 31 from above, and transmits the captured images to the control device 90. The control device 90 processes the captured images to recognize the position of the substrate S and the positions of the backup pins 35.

[0030] Next, the operation of the component mounter 10 of the present embodiment thus configured will be described. First, the mounting operation of picking up components from the feeder 16 and mounting them on the board S will be described. The CPU 91 of the control device 90 first controls the board transport device 20 (the first lane 20a or the second lane 20b) to carry the board S into the machine. Next, the CPU 91 raises the backup plate 31 with the plate lifting device 32 to support the carried-in board S with the backup pins 35 installed on the backup plate 31. Next, the CPU 91 moves the head 50 to above the component supply position of the feeder 16 with the head moving device 70, and lowers the suction nozzle 56 with the Z-axis actuator 55 to pick up the components supplied to the component supply position. After picking up the components, the CPU 91 moves the picked up components to above the parts camera 82 with the head moving device 70, and captures an image of the components with the parts camera 82. Next, the CPU 91 processes the captured image to measure the suction deviation of the components, and corrects the mounting position of the components on the board S. Then, the CPU 91 causes the head moving device 70 to move the picked up component to above the corrected mounting position, and causes the Z-axis actuator 55 to lower the suction nozzle 56 to mount the component on the board S.

[0031] Next, an operation for automatically setting the backup pins 35 on the backup plate 31 before the start of production will be described. FIG. 9 is a flowchart showing an example of the backup pin setting process for the first lane. FIG. 10 is a flowchart showing an example of the backup pin setting process for the second lane. The backup pin setting process for the first lane is executed when a changeover instruction is received from the management computer, and the backup pin setting process for the second lane is executed after the backup pin setting process for the first lane is executed. The backup pin setting process for the first lane and the backup pin setting process for the second lane will be described in order below.

[0032] In the backup pin installation process for the first lane, the CPU 91 first moves the head 50 above the nozzle stocker 81 using the head moving device 70, and replaces the nozzle to be attached to the holder 52 with the picker nozzle 60 (step S100). Next, the CPU 91 acquires width information of the board S transported on the first lane 20a and layout information of the backup pins 35 from the management computer (step S110). Then, the CPU 91 moves the movable conveyor rail 22a using the rail moving device 28 based on the acquired width information of the board S, and adjusts the interval between the fixed conveyor rail 21a and the movable conveyor rail 22a of the first lane 20a to the board width (step S120).

[0033] Next, the CPU 91 raises the storage table 41 of the first backup pin stocker 40a by the storage table lifting device 43 (step S130), and captures an image of the first lane 20a side of the backup plate 31 by the mark camera 83 (step S140). Next, the CPU 91 processes the captured image to recognize the position of the backup pin 35 installed in the first lane 20a, and moves the backup pin 35 according to the layout information received in step S110 (step S150). Here, the movement of the backup pin 35 is performed as follows. That is, the CPU 91 first moves the picker nozzle 60 by the head moving device 70 to directly above the backup pin 35 to be moved. Next, the CPU 91 aligns the phase of the picker nozzle 60 by the θ-axis actuator 54 so that the gap 66 between the engaged portions 63 (hook portions) in the circumferential direction of the picker nozzle 60 is located directly above the engaging portion 39 (protruding portion) of the backup pin 35, and causes the Z-axis actuator 55 to lower the picker nozzle 60 until the engaging portion 39 enters the gap 66 and passes the hook tip portion 64. Then, the CPU 91 aligns the phase of the picker nozzle 60 by the θ-axis actuator 54 so that the engaging portion 39 is located directly above the hook recessed portion 65, and causes the Z-axis actuator 55 to raise the picker nozzle 60. As a result, the backup pin 35 is picked with the engaging portion 39 (protruding portion) fitted into the hook recessed portion 65 of the picker nozzle 60.

[0034] After moving the backup pin 35, the CPU 91 determines whether or not the installation of all the backup pins 35 in the first lane 20a has been completed (step S160). If the CPU 91 determines that the installation of all the backup pins 35 in the first lane 20a has not been completed, the process returns to step S150 and moves the next backup pin 35 to be moved according to the layout information.

[0035] When the CPU 91 determines in step S160 that installation of all backup pins 35 in the first lane 20a has been completed, it determines whether or not there is an extra backup pin 35 on the first lane 20a (step S170). When the CPU 91 determines that there is an extra backup pin 35, it moves the extra backup pin 35 to the storage table 41 of the first backup pin stocker 40a (step S180). This process is performed by checking the availability of the storage protrusions 42 of the first backup pin stocker 40a based on the captured image obtained in step S140, and then picking up the backup pin 35 to be moved, inserting it through the through hole 31h, and placing it on an available storage protrusion 42.

[0036] When the CPU 91 determines in step S170 that there are no extra backup pins 35 on the first lane 20a, it causes the storage table lifting device 43 to lower the storage table 41 of the first backup pin stocker 40a (step S190), and ends the backup pin installation process for the first lane.

[0037] Next, the backup pin setting process for the second lane will be described with reference to Figs. 11A to 11E. In the backup pin setting process for the second lane, the CPU 91 first acquires width information of the board S transported on the second lane 20b and layout information of the backup pins 35 from the management computer (step S200). Next, the CPU 91 moves the movable conveyor rails 21b, 22b of the second lane 20b by the rail movement device 28 to adjust the gap between them to the maximum width (step S210). This process is performed by moving the movable conveyor rail 21b to a position close to the movable conveyor rail 22a of the first lane 20a and moving the movable conveyor rail 22b to a position behind the second backup pin stocker 40b (see Fig. 11A).

[0038] Next, the CPU 91 raises the storage table 41 of the second backup pin stocker 40b by the storage table lifting device 43 (step S220, see FIG. 11B), and captures an image of the second lane 20b side of the backup plate 31 by the mark camera 83 (step S230). Next, the CPU 91 processes the captured image to recognize the positions of the backup pins 35 installed in the second lane 20b, and moves the backup pins 35 in accordance with the layout information received in step S200 (step S240, see FIG. 11C).

[0039] After moving the backup pin 35, the CPU 91 determines whether or not the installation of all the backup pins 35 in the second lane 20b is complete (step S250). If the CPU 91 determines that the installation of all the backup pins 35 in the second lane 20b is not complete, the process returns to step S240 and moves the next backup pin 35 to be moved according to the layout information.

[0040] When the CPU 91 determines in step S250 that installation of all backup pins 35 in the second lane 20b is complete, it determines whether or not there is an extra backup pin 35 on the second lane 20b (step S260). If the CPU 91 determines that there is an extra backup pin 35, it moves the backup pin 35 to the storage table 41 of the second backup pin stocker 40b (step S270).

[0041] When the CPU 91 determines in step S260 that there are no extra backup pins 35 on the second lane 20b, it causes the storage table lifting device 43 to lower the storage table 41 of the second backup pin stocker 40b (step S290, see FIG. 11D).Then, the CPU 91 causes the rail movement device 28 to move the movable conveyor rail 22b based on the width information of the board S acquired in step S200, to adjust the gap between the movable conveyor rail 21b and the movable conveyor rail 22b of the second lane 20b to the board width (step S290, see FIG. 11E), and ends the second lane backup pin installation process.

[0042] Here, the correspondence between the main elements of the embodiment and the main elements of the present disclosure described in the claims will be described. That is, the head 50 of the present embodiment corresponds to the head of the present disclosure, the substrate transport device 20 (first lane 20a, second lane 20b) corresponds to the substrate transport device, the backup pin 35 corresponds to the backup pin, the through hole 31h corresponds to the through hole, the backup plate 31 corresponds to the backup plate, and the storage table 41 corresponds to the storage table. Also, the fixed conveyor rail 21a and the movable conveyor rail 22a correspond to a pair of conveyor rails. Also, the storage table lifting device 43 corresponds to the storage table lifting device. Also, the holder 52 corresponds to the holder, and the Z-axis actuator 55 corresponds to the holder lifting device. Also, the control device 90 corresponds to the control device.

[0043] It goes without saying that the present disclosure is in no way limited to the above-described embodiment, and can be embodied in various forms as long as it falls within the technical scope of the present disclosure.

[0044] For example, in the above-described embodiment, the component mounter 10 is provided with one head 50 capable of picking up components and mounting them on the board S, but may be provided with multiple heads capable of picking up components and mounting them on the board S and movable independently of each other. FIG. 12 is a schematic configuration diagram of a component mounter 110 according to another embodiment. This component mounter 110 is provided with two feeder sets (first feeder 16a and second feeder 16b), a board transport device 20 (first lane 20a and second lane 20b) similar to the present embodiment, a backup device 30, two heads (first head 50a and second head 50b), and two head moving devices (first head moving device 70a and second head moving device 70b) that move the two heads independently. The first feeder 16a is attached to a feeder table provided at the front of the component mounter 110, and the second feeder 16b is attached to a feeder table provided at the rear of the component mounter 110. In addition, a first nozzle stocker 81a and a first parts camera 82a are installed between the first lane 20a and the first feeder 16a, and a second nozzle stocker 81b and a second parts camera 82b are installed between the second lane 20b and the second feeder 16b. The substrates S carried into the first lane 20a and the second lane 20b are backed up by backup pins of the backup device 30. Furthermore, as in this embodiment, excess backup pins are stored in a backup pin stocker (not shown) provided in the backup device 30.

[0045] In the component mounter 110 thus configured, the first head 50a mounts components on the board S carried into the first lane 20a, and the second head 50b mounts components on the board S carried into the second lane 20b. That is, as shown in FIG. 13, the first head 50a picks up components supplied from the first feeder 16a and moves the components above the first part camera 82a. Then, the first head 50a makes the first part camera 82a take an image of the picked up components, and then mounts the components on the board S carried into the first lane 20a. The second head 50b picks up components supplied from the second feeder 16b and moves the components above the second part camera 82b. Then, the second head 50b makes the second part camera 82b take an image of the picked up components, and then mounts the components on the board S carried into the second lane 20b.

[0046] In addition, in the component mounter 110, the first head 50a and the second head 50b may cooperate to mount components on the board S carried into the first lane 20a. That is, as shown in FIG. 14, the first head 50a picks up the components supplied from the first feeder 16a and moves the components above the first parts camera 82a. Then, the first head 50a makes the first parts camera 82a take an image of the picked components, and then mounts the components on the board S carried into the first lane 20a. The second head 50b picks up the components supplied from the second feeder 16b and moves the components above the second parts camera 82b. Then, the second head 50b makes the second parts camera 82b take an image of the picked components, and then mounts the components on the board S carried into the first lane 20a. Note that the first head 50a and the second head 50b may mount components on the same board S alternately so that the first head 50a and the second head 50b do not interfere with each other.

[0047] In the above-described embodiment, the first lane 20a is configured by the fixed conveyor rail 21a and the movable conveyor rail 22a, and the second lane 20b is configured by two movable conveyor rails 21b, 22b. However, both the first lane and the second lane may be configured by two movable conveyor rails, or may be configured by one fixed conveyor rail and one movable conveyor rail. In the latter case, the first lane and the second lane may be installed such that the respective conveyor rails are arranged in the order of the movable conveyor rail, the fixed conveyor rail, the fixed conveyor rail, and the movable conveyor rail in the front-rear (Y-axis) direction, or may be arranged such that the respective conveyor rails are arranged in the order of the fixed conveyor rail, the movable conveyor rail, the movable conveyor rail, and the fixed conveyor rail.

[0048] As described above, in the component mounter of the present disclosure, the backup pins 35 can be accommodated below the backup plate 31, and therefore there is no need to secure a dedicated space for accommodating the backup pins 35. As a result, it is possible to prevent the backup device 30 from becoming large, while accommodating the unused backup pins 35 within the device.

[0049] In such a component mounter of the present disclosure, the through holes may include a plurality of through holes through which one backup pin can be inserted, thereby making it possible to reduce the area of ​​the through holes and enlarge the installation surface of the backup pins on the backup plate.

[0050] In the component mounter of the present disclosure, the board transport device may have a pair of conveyor rails for transporting the board, one of the pair of conveyor rails being a fixed conveyor rail, and the other of the pair of conveyor rails being a movable conveyor rail that is movable toward and away from the one of the conveyor rails in a direction perpendicular to the board transport direction, and the through hole may be formed in the backup plate near the fixed conveyor rail. In this way, the backup pin can be inserted and removed from the accommodation table regardless of the position of the movable conveyor rail.

[0051] Furthermore, the mounter of the present disclosure may include a mount table lifting device that lifts and lowers the mount table. In this case, the mount table lifting device may lift the backup pin placed on the mount table until the bottom surface of the backup pin is at substantially the same height as the installation surface of the backup plate. In this way, the backup pin can be easily inserted and removed from the mount table.

[0052] In the mounter of the present disclosure, the backup pin may have a permanent magnet on its bottom surface so that it is attracted and fixed to the backup plate and the receiving base by magnetic attraction, which makes it possible to easily fix the backup pin to the backup plate and the receiving base with a simple configuration.

[0053] In the component mounter of the present disclosure, the head may have a holder and a holder lifting device that lifts the holder, and a component picking member capable of picking up the component and a pin picking member capable of picking up the backup pin may be detachably attached to the holder. This allows the head to be made more compact and costs to be reduced compared to a head equipped with a dedicated holding member for holding the pin picking member.

[0054] In addition, in the component mounter of the present disclosure, the board transport device may have a first and second pair of conveyor rails that transport boards in parallel with each other and are aligned in a direction perpendicular to the board transport direction, at least one of the second pair of conveyor rails is a movable side conveyor rail that is movable in a direction perpendicular to the board transport direction, and the through hole may be formed in the backup plate near the movable side conveyor rail. In this case, a control device may be provided that controls the movement of the head and the movement of the movable side conveyor rail, the head may be capable of picking up the backup pin, and the control device may move the movable side conveyor rail so that the through hole is located between the second pair of conveyor rails, and then have the head pick up a backup pin placed on the receiving table below the through hole and place it at a required location between the second pair of conveyor rails on the backup plate, and move the movable side conveyor rail so that the interval between the second pair of conveyor rails corresponds to the board to be transported. In this way, regardless of the size of the substrate being transported, the necessary backup pins can be taken out from the receiving base and installed at the required locations on the backup plate between the second pair of conveyor rails.

[0055] Furthermore, in a component mounting machine of the present disclosure having a first and second pair of conveyor rails, the heads may include first and second heads that are movable independently of each other, and the first head may be capable of mounting components onto a board transported by the first pair of conveyor rails, and the second head may be capable of mounting components onto a board transported by the second pair of conveyor rails.

[0056] Furthermore, in a component mounting machine of the present disclosure having a first and second pair of conveyor rails, the heads may include first and second heads that are movable independently of each other, and at least one of the first and second heads may be capable of mounting components onto both of the boards transported by the first and second pairs of conveyor rails.

[0057] The present disclosure is not limited to the form of a component mounter, but may also be in the form of a backup pin accommodation method. [Industrial Applicability]

[0058] The present disclosure can be used in the component mounter manufacturing industry and the like. [Explanation of symbols]

[0059] 10,110 component mounter, 12 housing, 16 feeder, 16a first feeder, 16b second feeder, 20 board transport device, 20a first lane, 20b second lane, 21a fixed conveyor rail, 21b movable conveyor rail, 22a movable conveyor rail, 22b movable conveyor rail, 23 side plate, 24 roller, 25 conveyor belt, 26 belt drive device, 27 support column, 28 rail movement device, 29 support base, 29g guide rail, 30 backup device, 31 backup plate, 31u upper surface, 31h through hole, 32 plate lifting device, 35 backup pin, 36 pin body, 37 support surface, 38 permanent magnet, 39 engagement portion, 40a first backup pin stocker, 40b second backup pin stocker, 41 storage base, 42 storage protrusion, 43 Storage table lifting device, 50 head, 50a first head, 50b second head, 51 head body, 52 holder, 53 R-axis actuator, 54 θ-axis actuator, 55 Z-axis actuator, 56 suction nozzle, 57 mounting portion, 58 collection portion, 60 picker nozzle, 61 mounting portion, 62 collection portion, 63 engaged portion, 64 hook tip portion, 65 hook recess, 66 gap, 70 head moving device, 70a first head moving device, 70b second head moving device, 71 X-axis guide rail, 72 X-axis slider, 73 Y-axis guide rail, 74 Y-axis slider, 75 X-axis actuator, 76 Y-axis actuator, 81 nozzle stocker, 81a first nozzle stocker, 81b second nozzle stocker, 82 parts camera, 82a first parts camera, 82b second parts camera, 83 mark camera, 90 control device, 91 CPU, 92 ROM, 93 RAM, 94 storage device, 95 I / O interface, 96 bus, S board.

Claims

1. A component mounter that mounts components on a board, A head capable of picking up the part; a substrate transport device for transporting the substrate; a backup device including backup pins, a backup plate including an installation surface on which the backup pins are installed and through holes through which the backup pins are inserted vertically, the backup device backing up a back surface of the substrate transported by the substrate transport device with the backup pins installed on the installation surface; a receiving table disposed below the through hole and on which the backup pin inserted into the through hole is placed; A component mounting machine comprising:

2. 2. The component mounter according to claim 1, The through holes include a plurality of through holes through which one backup pin can be inserted, Component mounting machine.

3. 3. The component mounter according to claim 1, the substrate transport device has a pair of conveyor rails for transporting the substrate; One of the pair of conveyor rails is a fixed conveyor rail, the other of the pair of conveyor rails is a movable conveyor rail that is movable toward and away from the one of the conveyor rails in an orthogonal direction perpendicular to the board transport direction, The through hole is formed in the backup plate near the fixed conveyor rail. Component mounting machine.

4. 4. The component mounter according to claim 1, The component mounter includes a table lifting device that raises and lowers the table.

5. 5. The component mounter according to claim 4, the accommodation table lifting device lifts the backup pin placed on the accommodation table until a bottom surface of the backup pin is at substantially the same height as the installation surface of the backup plate. Component mounting machine.

6. 6. The component mounter according to claim 1, the backup pin has a permanent magnet on its bottom surface so as to be attracted and fixed to the backup plate and the storage base by magnetic attraction; Component mounting machine.

7. 7. The component mounter according to claim 1, the head includes a holder and a holder lifting device that lifts and lowers the holder, a part picking member capable of picking up the part and a pin picking member capable of picking up the backup pin are detachably attached to the holder; Component mounting machine.

8. 8. The component mounter according to claim 1, further comprising: the substrate transport device includes a pair of first and second conveyor rails that transport substrates in parallel with each other and are aligned in an orthogonal direction perpendicular to a substrate transport direction; At least one of the second pair of conveyor rails is a movable conveyor rail that is movable in a direction perpendicular to a substrate transport direction, The through hole is formed in the backup plate near the movable conveyor rail. Component mounting machine.

9. 9. The component mounter according to claim 8, a control device for controlling the movement of the head and the movement of the movable conveyor rail; The head is capable of picking up the backup pin, the control device moves the movable conveyor rail so that the through hole is located between the second pair of conveyor rails, and then causes the head to take out a backup pin placed on the receiving table below the through hole and place it at a required location between the second pair of conveyor rails on the backup plate, and moves the movable conveyor rail so that the spacing between the second pair of conveyor rails corresponds to the spacing of the substrate to be transported. Component mounting machine.

10. 10. The component mounter according to claim 8, The head includes a first head and a second head that are independently movable from each other, the first head is capable of mounting components onto a board transported by the first pair of conveyor rails; the second head is capable of mounting components onto a board transported by the second pair of conveyor rails; Component mounting machine.

11. 11. The component mounter according to claim 8, The head includes a first head and a second head that are independently movable from each other, At least one of the first and second heads is capable of mounting components onto both of the boards transported by the pair of first and second conveyor rails, respectively. Component mounting machine.

12. A method for storing unused backup pins in a backup device that backs up a substrate from the back side with backup pins installed on a backup plate, comprising: The backup pin is inserted into a through hole formed in the backup plate so as to penetrate vertically, and the backup pin inserted into the through hole is placed on a receiving stand disposed below the through hole. Backup pin storage method.

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