JP2007149802A - Component feeder - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a component feeder with which safety of an operator can be secured and production efficiency is not deteriorated at the time of unlocking an opening/closing door for putting a palette in and out of a magazine. <P>SOLUTION: When an electronic component on a tray placed on the prescribed palette 21 in the magazine 22 lacks even if an elevator mechanism (including drawer mechanism) is operated, and an operator operates an operation key so as to supply the electronic component; a controller receives an operation signal from the operation switch operating by the operation key, and controls a corresponding locking device to unlock and a door object to be opened/closed. Although the operator opens a door object and puts the palette 21 in/out of the magazine 22, hands of the operator are prevented from being put into the magazine 22 by an insertion preventing object 19. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a magazine for storing a plurality of pallets on which trays on which a large number of electronic components are arranged and arranged are mounted, and an elevator mechanism that is movable in the vertical direction in order to pull out a predetermined pallet of the magazine by a pulling mechanism. It is related with the components supply apparatus provided with the lockable opening-and-closing door which is provided corresponding to the said magazine and is provided corresponding to the said magazine and withdrawing / inserting the said pallet in the said magazine.

Inside, there is a magazine that stores multiple stages of pallets on which trays with a large number of electronic components arranged and arranged, and an elevator mechanism that can move in the vertical direction to pull out the specified pallet of this magazine by the pull-out mechanism. A component supply apparatus is disclosed in Japanese Patent Laid-Open No. 10-179523 (Patent Document 1) and the like. In general, this type of component supply apparatus is provided with a lockable opening / closing door for taking the pallet into and out of the magazine. It is necessary to stop the operation of the elevator mechanism in order to ensure the safety of the passenger.
JP-A-10-179523

  However, when the door is unlocked, the operation of the elevator mechanism is stopped. Therefore, even if the safety of the operator can be ensured, the production efficiency is deteriorated.

  Therefore, an object of the present invention is to provide a component supply device that ensures the safety of the worker and does not deteriorate the production efficiency.

  Therefore, according to the first aspect of the present invention, a magazine for storing a plurality of pallets on which trays on which a large number of electronic components are arranged and arranged are stored, and a predetermined pallet of the magazine can be moved in the vertical direction to be pulled out by a pulling mechanism. And an elevator mechanism that is provided in the interior and includes a lockable opening / closing door provided in correspondence with the magazine for loading / unloading the pallet into / from the magazine. An insertion preventing member is provided for preventing an operator's hand from entering the magazine when the magazine is taken in or out.

  According to a second aspect of the present invention, there is provided a magazine for storing a plurality of stages of pallets on which trays on which a large number of electronic components are arranged and arranged, and an elevator capable of moving in the vertical direction to pull out a predetermined pallet of the magazine by a pulling mechanism. In a component supply device provided with a mechanism inside and having a lockable opening / closing door provided in correspondence with the magazine for taking in and out the pallet, even if the elevator mechanism is in operation, an operator When the operation switch is operated, the door can be unlocked, and the operator's hand is prevented from entering the magazine when the door is opened and the pallet is put in and out of the magazine. An insertion preventing member is provided.

  According to a third aspect of the present invention, there is provided a magazine for storing a plurality of pallets on which trays on which a large number of electronic components are arranged are mounted, and an elevator that is movable in the vertical direction so that a predetermined pallet of the magazine is pulled out by a pulling mechanism. A mechanism, a supply device that is detachably provided on a mounting table in which a plurality of the component supply units are arranged side by side, and is capable of reciprocating between the transfer position and the pickup area; and the elevator to the supply position A transfer device for taking out electronic components from the tray on the pallet raised by the mechanism and transferring the electronic components to the component mounting table at the transfer position; and the pallet provided corresponding to the magazine Even if the elevator mechanism is in operation, the parts supply device is equipped with a lockable opening / closing door. When the operator operates the operation switch, the door can be unlocked, and when the door is opened and the pallet is put in and out of the magazine, an operator's hand is prevented from entering the magazine. An insertion preventing member is provided.

  According to a fourth aspect of the invention related to the first to third parts supply apparatuses, the insertion preventing member extends in a horizontal direction of an opening for taking in and out the pallet of the magazine, and has a predetermined interval in the vertical direction. And a plurality of prevention bodies are provided.

  The present invention can provide a component supply device that can ensure the safety of the operator and does not deteriorate the production efficiency when the door is unlocked in order to put the pallet into and out of the magazine.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a plan view of an electronic component mounting apparatus 1, and a plurality of component supply devices 3 are arranged side by side in four blocks at the front and rear of the apparatus main body 2 of the electronic component mounting apparatus 1.

  The component supply device 3 includes a first component supply device 3A that supplies relatively small electronic components and a second component supply device 3B that supplies large electronic components such as multi-lead components. That is, among the four blocks, the first component supply device 3A is installed in three blocks, and the first component supply device 3A and the second component supply device 3B are installed in the remaining blocks.

  The first component supply device 3A is detachably disposed on the device main body 2 via a connector (not shown) so that the tip portion on the component supply side faces the conveyance path of the printed circuit board P. When the handle 13 whose both ends are supported so that the tool is released and pulled is pulled, it can be moved by a caster 14 provided on the lower surface. The first component supply device 3A has a plurality of tape feeders 5 as cassette-type component supply units arranged in parallel on a cart table 15 as an attachment table. Each tape feeder 5 is arranged so as to face the pickup area, and the cover tape is peeled off by a peeling mechanism (not shown) to suck and take out the electronic components loaded in the storage portion of the carrier tape (not shown). It is supplied to the position and can be taken out one by one from the tip.

  Between the front component supply device 3 and the rear component supply device 3, a supply conveyor, a positioning unit 8 (having a conveyor), and a discharge conveyor that constitute a substrate transport mechanism are provided. The supply conveyor conveys a plurality of printed circuit boards P received from an upstream device to the positioning unit 8, and after electronic components are mounted on the substrate P positioned by a positioning mechanism (not shown) in the positioning unit 8, It is conveyed to the discharge conveyor and then conveyed to the downstream device.

  The beam 10 is moved in the Y direction along the guide rail 9 by driving the linear motor, and each beam 10 is mounted in the X direction by moving in the X direction by driving the linear motor as an X-axis drive source. A head 6 is provided. The mounting head 6 is provided with a suction nozzle (not shown) for sucking and holding electronic components. The suction nozzle can be moved up and down by a vertical axis motor and a θ-axis motor (not shown) and can be rotated around a vertical axis.

  Reference numeral 12 denotes a component recognition camera provided in the apparatus main body 2 corresponding to the mounting head 6. The component recognition camera 12 picks up an image of the electronic component taken out from the component supply device 3 and sucked and held by the suction nozzle, and then used by a recognition processing device (not shown). The position of the electronic component is recognized.

  Next, the second component supply device 3B will be described in detail below with reference to FIGS. 2 is a front view of the second component supply device 3B, FIG. 3 is a front view of the magazine 22 with the door of the second component supply device 3B opened, and FIG. 4 is a front view of the left part of the electronic component mounting device. 5 is a right side view of the second component supply device 3B, FIG. 6 is a transverse plan view of the second component supply device 3B, and FIG. 7 is a right side view of the supply device constituting the second component supply device 3B. It is.

  The second component supply device 3B includes a storage device 23 that stores two magazines 22 that store a plurality of pallets 21 on which a tray 20 on which a large number of electronic components are arranged and arranged, and a storage device 23 in one of the magazines 22. An elevator mechanism 25 arranged in the storage device 23 for moving a predetermined pallet 21 in the vertical direction so as to be pulled out by the pulling mechanism 24 and raising the pallet 21 pulled out by the pulling mechanism 24 to a supply position, and the tape A plurality of feeders 5, for example, a plurality of, for example, 19 units, a plurality of feeders that are detachably provided alongside the tape feeders 5 on the outer side of the cart table 15, and for example, electronic components with leads are placed on the upper surface. The part mounting table 26 on which the protruding portion 26a is formed (see FIGS. 6 and 7), the pick-up position that is the pick-up area, The electronic device taken out from the tray 21 on the pallet 21 raised by the elevator mechanism 25 to the supply position, and the electronic device taken out from the tray 21 on the pallet 21 to the supply position. The transfer device 28 is arranged in the storage device 23.

  Further, the front and upper surfaces of the second component supply device 3B are door bodies 16A that close the front and upper surface openings and are opened or closed by being unlocked or locked by a locking device (not shown). 16B and 16C. The door body 16A is supported by a hinge at the rear of the upper surface, and when rotated upward via the handle 18A, the front surface, the upper surface and the right side surface are opened and used for maintenance of the transfer device 28, the drawer mechanism 24, and the like. The left sides of the door bodies 16B and 16C are supported by hinges. When the door bodies 16B and 16C are rotated forward via the handles 18B and 18C, the front surface is opened, and the pallet 21 in the upper or lower magazine 22 is taken in and out. Reference numerals 17A, 17B, and 17C denote operation buttons. When the operation button 17A is pressed, an operation switch (not shown) is activated, and a control device (not shown) that receives this activation signal operates on all the door bodies 16A, 16B. When the operation button 17B or 17C is pressed and operated, the corresponding operation switch is activated, and the control device that receives this operation signal activates the locking device of the door body 16B or 16C. Control to unlock. Reference numeral 17D denotes a power lamp which is turned on when the power is turned on and is turned off when the power is shut off.

  As shown in FIG. 3, the front and rear surfaces of the magazine 22 are opened, and a plurality of support claws 22A and 22B for placing the pallet 21 are alternately provided on the inner sides of both sides. The pallet 21 is placed on the support claws 22A and 22B so that the pallet 21 can be slid. The vertical intervals at which the pallet 21 can be put in and out are all formed at equal intervals. Between the left and right support pieces 22 </ b> A, a plurality of insertion preventing bodies 19 for preventing an operator's hand from entering the magazine 22 are arranged in the vertical direction. That is, both ends of the insertion preventing body 19 are fixed so as to extend in the horizontal direction on the front surfaces of the corresponding left and right support pieces 22A, and a plurality of them are arranged in parallel vertically with a predetermined interval.

  The interval between the insertion preventing bodies 19 is, for example, about 25 mm, and the palm of the operator enters the magazine 22 but does not enter the arm, and a dangerous part where the hand is a movable part through the magazine 22 inside. Since it is reliably prevented from reaching the rear elevator mechanism 25, safety can be ensured, but even the palm of the hand may not be entered or only part of it may be entered.

  In addition, since the case where the pallet 21 is in a state of missing teeth in the magazine 22 can also be considered, even at this time, the insertion preventing bodies 19 are arranged so that an operator's hand is not inserted between the insertion preventing bodies 19. Is disposed.

  Therefore, even when the elevator mechanism 25 (including the drawer mechanism 24) is in operation, when the operator operates the operation button 17B or 17C, the control device receives the operation signal from the operation switch and performs the corresponding locking. Even if the device is unlocked so that the door body 16B or 16C can be opened and closed, when the door body 16B or 16C is opened and the pallet 21 is put in and out of the magazine 22, the insertion prevention body 19 is used by the operator. Is prevented from entering the inside of the magazine 22 and the hand is surely prevented from reaching the rear elevator mechanism 25 through the inside of the magazine 22, so that safety can be ensured and the production efficiency of the printed circuit board P can be ensured. Therefore, it is possible to provide a component supply device that does not deteriorate the quality.

  The storage device 23 is provided with support legs 23A at the lower four corners, and when all or a part of the support legs 23A is removed from the storage device 23, the storage device 23 can be moved by four casters 23B.

  Accordingly, on the cart table 15 in the left front portion of the electronic component mounting device 1, for example, 19 tape feeders 5 constituting the first component supply device 3A and supply device 27 constituting the second component supply device 3B are provided. And are provided.

  Next, the elevator mechanism 25 disposed behind the upper and lower magazines 22 and 22 will be described in detail. Between the two pulleys 32 and 33 and the pulleys 32 and 33 by the two guide rails 30 and the drive motor 31. A screw shaft 34 that rotates through a belt (not shown) stretched around the shaft, and can be moved up and down along the guide rail 30 through a nut 34A by the rotation of the screw shaft 34 and the drawer mechanism 24 And a slider 37 having a sliding portion 36 on which the pallet 21 to be pulled out is placed and slid by the pulling mechanism 24.

  Therefore, when the drive motor 31 is driven, the ball screw 34 is rotated via the pulleys 32 and 33 and the belt, and the drawer mechanism 24 can move the pallet 21 pulled out from the magazine 22 to the delivery position at the upper end. .

  The drawer mechanism 24 will be described. A draw-out storage body 42 is fixed to a belt (not shown) stretched around the pulleys 40a, 40b, 41, and the pulleys 40a, 40b are rotated by the forward / reverse driving of the drive motor 24M so that the belt 41 is interposed. Thus, the drawer storage body 42 reciprocates along the guide 35. That is, the drawer storage body 42 is provided with a pair of locking claws 44 that can be locked to the pair of hooks 43 of the pallet 21, and along the guide so as to move the pair of locking claws 44 away by a drive source (not shown). Then, the drawer housing 42 is moved along the guide 35 by the drive motor 24M, and the predetermined pallet 21 is placed on the sliding portion 36 and slid. Pull out from the magazine 22.

  Next, the supply device 27 will be described. Provided at the front end of the cart base 15 in a state in which a locking portion 54 provided at the rear end of the top surface of the cart base 15 in which a large number of the tape feeders 5 are juxtaposed and a locking portion 55 provided at the bottom face are locked. The feeding portion 27 is detachably provided on the cart base 15 so that the locking portion 56 and the locking portion 57 provided on the bottom surface are locked and unlocked. The component mounting table 26 on which the electronic components are mounted is detachably mounted from above with a screw, for example, on a base 26A provided with a slider 48 on the bottom surface. The slider 48 is connected to both pulleys 52, 53 and The component mounting table 26 is moved by being guided by the linear guide 50 via a screw shaft 49 and a nut 49A that rotate via a belt (not shown) stretched between the pulleys 52 and 53. It is possible to reciprocate between the position and the suction extraction position which is a pickup area.

  The drive motor 51 is connected to the storage device 23 via a connector (not shown), a power line, and a signal line, and power is supplied from the electronic component mounting apparatus 1 via the storage device 23 via the storage device 23 and power is supplied and controlled. The operation is performed by receiving a signal, but it may be controlled by supplying power directly from the electronic component mounting apparatus 1. The supply device 27 itself may not be fixed to the storage device 23.

  The component mounting table 26 is replaced in accordance with the type of component to be mounted (for example, whether it is a component with a lead) and the size of the component.

  Next, the transfer device 28 will be described. The X drive motor 60 provided on the upper surface of the storage frame 59 for storing the magazine 22 moves the X while the slider 64 is guided to the linear guide 63 by the screw shaft 62 rotating through the pulleys 61 and 61 and the belt 58. The body 65 moves in the X direction (see FIGS. 8 and 11). Further, the Y moving body 74 moves in the Y direction while the slider 73 is guided to the linear guide 72 via the screw shaft 71 and the nut 71A rotated by the Y drive motor 70. Further, the Z moving body 84 moves in the Z direction while the slider is guided by the linear guide by the screw shaft 81 rotated by the Z drive motor 80.

  The Z moving body 84 is provided with two transfer adsorption nozzles 85 that can be rotated about a vertical axis by a θ-axis drive motor (not shown). Accordingly, the transfer suction nozzle 85 is movable in the X, Y direction, θ direction, and vertical direction.

  With the above configuration, the operation of the electronic component mounting apparatus 1 will be described. First, when the two printed boards P are conveyed to the positioning unit 8, the printed boards P are positioned and fixed by the positioning mechanism. Then, the left rear first component supply device 3A and the left front first component supply device 3A and the second component supply device 3B on the left printed circuit board P are again printed on the right side. Each electronic component taken out from the right rear and right front first component supply devices 3A on the board P is stored in mounting data stored in a storage device (not shown) regarding the position in the XY direction, the orientation in the plane direction, and the type of electronic component. Data) and will be worn.

  That is, in the Y direction, the driving source is driven to move each beam 10, and in the X direction, each mounting head 6 moves without colliding along each beam 10, and the component supply for storing electronic components to be sequentially mounted is provided. The suction nozzle of each mounting head 6 is moved down by the vertical axis motor and moved from the tape feeder 5 of the first component supply device 3A or the component mounting table 26 of the second component supply device 3B. Adsorb and take out.

  Then, the electronic component is moved up above the corresponding component recognition camera 12 and picked up and picked up by the suction nozzle, and the position of the electronic component is recognized by the recognition processing device.

  Then, based on the recognition result by the recognition processing device, the amount of positional deviation is calculated by a control device (not shown), and the calculated result is added to the mounting data, and it is moved above the printed circuit board P and moved around the vertical axis by the θ-axis motor. The electronic component is mounted in a predetermined direction (angle) at a predetermined position of the printed circuit board P.

  In this case, in the left part of the electronic component mounting apparatus 1, the front and rear beams 10 and the suction nozzles of the mounting head 6 moving along each beam 10 mount the electronic components on the left printed circuit board P, In the right part, the front and rear beams 10 and the suction nozzle of the mounting head 6 moving along each beam 10 mount the electronic component on the right printed board P.

  At this time, an operation when the electronic component to be mounted is taken out from the second component supply device 3B will be described. First, the drawing operation of the pallet 21 on which the tray 20 on which the electronic component is mounted is started. That is, the elevator device 25 is controlled to move up and down by the control device, and the screw shaft 34 is rotated by driving the drive motor 31 to slide the level position of the pallet 21 in the magazine 22 containing the electronic components to be mounted. When the level position of the moving portion 36 is matched (see FIG. 5), the pair of locking claws 44 are moved away from each other by the drive source along the guides and locked to the hooks 43 of the pallet 21. Then, the drawer storage body 42 is moved along the guide 35 by the drive motor 24M, and the drawer mechanism 24 pulls out the predetermined pallet 21 from the magazine 22 (see FIGS. 8 and 9).

  Then, as shown in FIG. 10, the drawn pallet 21 is moved up to the delivery position of the upper end portion by the elevator mechanism 25. Next, the electronic device in the tray 20 on the pallet 21 at the transfer position is transferred by the transfer device 28 onto the component mounting table 26 of the supply device 27 at the transfer position. That is, the X moving body 65 is moved in the X direction by driving the X driving motor 60, the Y moving body 74 is moved in the Y direction by driving the Y driving motor 70, and the Z moving body 84 is driven by driving the Z driving motor 80. Are moved in the vertical direction, the predetermined number of electronic components in the tray 20 are picked up and taken out by the two transfer suction nozzles 85 and transferred onto the component mounting table 26 of the supply device 27 at the transfer position. (See FIG. 11).

  Then, the screw shaft 49 is rotated by driving the drive motor 51 and the slider 48 is guided to the linear guide 50 to convey the component mounting table 26 from the electronic component inheritance position to the suction extraction position which is the pickup area. Accordingly, the suction nozzle of the electronic component mounting apparatus 1 picks up the electronic component from the component mounting table 26 which has been transported to the suction extraction position of the tape feeder 5 installed on the cart table 15. And mounted on the printed circuit board P. It should be noted that the suction nozzle of the electronic component mounting apparatus 1 can suck and take out components from the component mounting table 26 within its normal movement range, and there is no need to widen the movement range of the suction nozzle.

  When the transfer device 28 finishes the transfer of the electronic components in the tray 20 on the pallet 21 at the transfer position to the component mounting table 26 of the supply device 27 at the transfer position, the elevator mechanism 25 is operated, After the sliding portion 36 is lowered to the level when it is pulled out, the drawer housing body 42 is moved along the guide 35 by the drive motor 24M, and the pulling mechanism 24 returns the predetermined pallet 21 to the magazine 22. Is done.

  Even when the elevator mechanism 25 (including the drawer mechanism 24) is in operation, the electronic component on the tray 20 placed on the predetermined pallet 21 in the magazine 22 is cut off, and the operator When the operation button 17B or 17C is operated in order to replenish, the control device can open and close the door body 16B or 16C by receiving the operation signal from the operation switch operated by the operation button 17B or 17C and unlocking the corresponding locking device. To control. Accordingly, the door body 16B or 16C is opened and the pallet 21 is inserted into and removed from the magazine 22. However, the insertion preventing body 19 prevents the operator's hand from entering the magazine 22, so that the operator Can be ensured, and the operation of the elevator mechanism 25 is not stopped, so that a component supply device that does not deteriorate the production efficiency of the printed circuit board P can be provided.

  Although the embodiments of the present invention have been described above, various alternatives, modifications, and variations can be made by those skilled in the art based on the above description, and the present invention is not limited to the various alternatives described above without departing from the spirit of the present invention. It includes modifications or variations.

It is a top view of an electronic component mounting apparatus. It is a front view of a 2nd component supply apparatus. It is a front view of the magazine of the state which opened the opening-and-closing door of the 2nd component supply device. It is a front view of the electronic component mounting apparatus left part. It is a right view of a 2nd component supply apparatus. It is a cross-sectional top view of a 2nd components supply apparatus. It is a right view of the supply apparatus which comprises a 2nd components supply apparatus. It is a right view of the 2nd component supply apparatus of the state which pulled out the pallet. It is a cross-sectional top view of the 2nd components supply apparatus of the state which pulled out the pallet. It is a right view of the 2nd component supply apparatus of the state which pulled out the pallet and was raised to the supply position. It is a right view of the 2nd components supply apparatus for showing the operation | movement which transfers to the supply apparatus by the transfer apparatus from the pallet which raised to the supply position.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Electronic component mounting apparatus 3B 2nd component supply apparatus 16B, 16C Door body 17B, 17C Operation button 19 Insertion prevention body 20 Tray 21 Pallet 22 Magazine 22A, 22B Bearing claw 23 Storage device 24 Drawer mechanism 25 Elevator mechanism 26 Component mounting table 27 Supply device 28 Transfer device 85 Transfer adsorption nozzle

Claims (4)

  Inside, there is a magazine that stores multiple stages of pallets on which trays with a large number of electronic components arranged and arranged, and an elevator mechanism that can move in the vertical direction to pull out the specified pallet of this magazine by the pull-out mechanism. In the component supply apparatus provided with a lockable opening / closing door provided corresponding to the magazine for loading / unloading the pallet into / from the magazine, the work is performed when the opening / closing door is opened and the pallet is loaded / removed into / from the magazine. A component supply apparatus comprising an insertion preventing member for preventing a person's hand from entering the magazine.   Inside, there is a magazine that stores multiple stages of pallets on which trays with a large number of electronic components arranged and arranged, and an elevator mechanism that can move in the vertical direction to pull out the specified pallet of this magazine by the pull-out mechanism. In a component supply device provided with a lockable opening / closing door provided for the magazine and for inserting / removing the pallet into / from the magazine, even if the operator operates the operation switch, Provided with an insertion prevention member that prevents the operator's hand from entering the magazine when the door is opened and the pallet is put in and out of the magazine. A component supply device.   A magazine for storing a plurality of stages of pallets on which trays on which a large number of electronic components are arranged are arranged, an elevator mechanism that allows a predetermined pallet of the magazine to be pulled out by a pull-out mechanism, and the component supply A supply device that is detachably provided on a mounting table in which a plurality of units are arranged side by side, and that can reciprocate between a transfer position and a pickup area, and a pallet that is raised to the supply position by the elevator mechanism A locking device for taking out an electronic component from an upper tray and transferring the electronic component to the component mounting table at the transfer position, and provided in correspondence with the magazine, for locking the pallet in and out of the magazine In a component supply apparatus equipped with an openable / closable door, even if the elevator mechanism is in operation, the operator can When the door is operated, the opening / closing door can be unlocked, and when the opening / closing door is opened and the pallet is inserted into or removed from the magazine, an insertion prevention for preventing an operator's hand from entering the magazine A component supply apparatus comprising a member.   The said insertion prevention member is comprised from the prevention body extended in the horizontal direction of the opening for the said pallet insertion / removal of the said magazine, and a plurality of arrangement | positioning exists at predetermined intervals up and down. The component supply apparatus according to any one of claims 1 to 3.

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