WO2022264213A1 - 測定装置 - Google Patents
測定装置 Download PDFInfo
- Publication number
- WO2022264213A1 WO2022264213A1 PCT/JP2021/022528 JP2021022528W WO2022264213A1 WO 2022264213 A1 WO2022264213 A1 WO 2022264213A1 JP 2021022528 W JP2021022528 W JP 2021022528W WO 2022264213 A1 WO2022264213 A1 WO 2022264213A1
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- WO
- WIPO (PCT)
- Prior art keywords
- component
- mover
- pair
- measuring device
- groove
- Prior art date
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- 239000000523 sample Substances 0.000 claims abstract description 19
- 238000010586 diagram Methods 0.000 description 8
- 230000003068 static effect Effects 0.000 description 6
- 238000000926 separation method Methods 0.000 description 5
- 230000008030 elimination Effects 0.000 description 4
- 238000003379 elimination reaction Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 4
- 230000005611 electricity Effects 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K13/00—Apparatus or processes specially adapted for manufacturing or adjusting assemblages of electric components
- H05K13/08—Monitoring manufacture of assemblages
- H05K13/082—Integration of non-optical monitoring devices, i.e. using non-optical inspection means, e.g. electrical means, mechanical means or X-rays
Definitions
- the present disclosure relates to a measuring device that measures electrical characteristics of components mounted on a circuit board.
- Patent Document 1 discloses a measuring device that is mounted on a mounting machine that mounts a component supplied by a component supply device on a circuit board and that measures the electrical characteristics of the component. - A measuring device is described that includes a pair of probes that are spaced apart from each other. In the measuring apparatus described in Patent Document 1, the electrical characteristics of the component are measured by sandwiching the component placed on the mounting table between a pair of probes.
- the subject of the present disclosure is to improve the measuring device, for example, to stably measure electrical characteristics even if the parts are small.
- At least one of the pair of probes for gripping the component is provided with a recess capable of accommodating at least part of the component. Since at least a part of the component is accommodated in the concave portion, the component can be well gripped by the pair of probes, and the component can be gripped at a predetermined position by the pair of probes. At least one of being able to be obtained. As a result, it becomes possible to stably measure the electrical characteristics of the component.
- FIG. 1 is a perspective view of a placement machine including a measuring device that is an embodiment of the present disclosure
- FIG. It is a perspective view of the said measuring apparatus. It is a side view of the said measuring apparatus. It is a top view of the said measuring apparatus. It is a rear view of the said measuring apparatus.
- (6A) is a cross-sectional view of a groove portion of the mounting table of the measuring device;
- (6B) is a front view of a mover of the measuring device;
- (6C) is a diagram showing a state in which the mover has entered the groove portion of the mounting table of the measuring device.
- FIG. 3 is a block diagram conceptually showing the periphery of a control device of the measuring device; FIG. It is an operation diagram of the measuring device.
- (11A) is a diagram showing an initial state.
- (11B) A diagram showing a clamped state.
- (11C) A diagram showing a measurement state.
- (11D) is a diagram showing a discarded state. It is a sectional view of another groove part provided in the above-mentioned mounting base. It is a figure which shows the principal part of the conventional measuring apparatus.
- a mounting machine including a measuring device which is an embodiment of the present disclosure, will be described in detail below with reference to the drawings.
- the mounting machine shown in FIG. 1 mounts components on a circuit board, and includes a main body 2, a circuit board transfer/holding device 4, a component supply device 6, a head moving device 8, and the like.
- the circuit board transporting/holding device 4 transports and holds a circuit board P (hereinafter abbreviated as the board P) in a horizontal posture.
- the width direction is the y direction
- the thickness direction of the substrate P is the z direction.
- the y direction is the longitudinal direction of the mounting machine
- the z direction is the vertical direction.
- the component supply device 6 supplies electronic components (hereinafter abbreviated as components) s to be mounted on the substrate P, and includes a plurality of tape feeders 14 and the like.
- the head moving device 8 holds and moves the mounting head 16 in the x, y, and z directions, and the mounting head 16 has a suction nozzle 18 that suctions and holds the component s.
- Reference numeral 22 indicates a measuring device.
- the measuring device 22 measures electrical characteristics of the component s.
- the electrical characteristics of the component s include L (inductance), C (capacitance), R (resistance), Z' (impedance), etc. One or more of these are measured by the measuring device 22 .
- the measuring device 22 is provided on the main body of the circuit board transporting and holding device 4 via a collection box 26 .
- a collection passage 28 is provided between the collection box 26 and the measuring device 22 , and the component s whose electrical characteristics have been measured is stored in the collection box 26 via the collection passage 28 .
- the measuring device 22 includes (i) a main body 30, (ii) a mounting table 32 on which the part s is placed, (iii) a pair of probes 37 consisting of a stator 34 and a mover 36, (iv) a mounting table moving device 40 for moving the mounting table 32; (v) a mover moving device 41 for moving the mover 36 toward and away from the stator 34; It includes a characteristic measuring unit 42 (see FIG. 10) and the like.
- the part s has electrodes at both ends and can be gripped by a pair of probes 37, and can be, for example, a square tip.
- the main body 30 is provided with a through hole 31 that can communicate with the recovery passage 28 . Also, the main body 30 is grounded.
- the measuring device 22 is attached to the main body of the circuit board transporting/holding device 4 so that the direction of approach/separation of the mover 36 to/from the stator 34 is the y direction, and the direction orthogonal to the direction of approach/separation is the x direction. can be done.
- the y direction is generally the horizontal direction, and the mover 36 is moved closer to or away from the stator 34 by moving in the horizontal direction.
- the y direction may be referred to as the approaching/separating direction, or the longitudinal direction of the mover 36 or the groove portion 46 formed in the mounting table 32, which will be described later.
- the movement of the mover 36 toward the stator 34 may be referred to as forward movement, and the movement of the mover 36 away from the stator 34 may be referred to as retreat.
- the x direction may be referred to as the width direction of the mover 36 or the groove portion 46 .
- the mounting table 32 includes a component mounting section 44 and a mounting section holder 45 that holds the component mounting section 44 .
- the component mounting section 44 is integrally and movably held by the mounting section holder 45, and the mounting section holder 45 is provided on the main body 30 so as to be movable in the y direction (approaching/separating direction). .
- a groove portion 46 extending in the approaching/separating direction is formed in the component placement portion 44 .
- the groove portion 46 is generally V-shaped, and as shown in FIG. 6A, includes an upper groove portion 46a having a pair of inclined side surfaces and a lower groove portion 46b having a generally quadrangular cross section provided at the lower portion of the upper groove portion 46a. including.
- the upper groove portion 46a includes a pair of inclined surfaces 48a and 48b, and the lower groove portion 46b includes a flat bottom surface 50 and a pair of wall surfaces 51a and 51b on both sides of the bottom surface 50. As shown in FIG.
- the component s placed on the component placement portion 44 may be placed on the bottom surface 50 of the lower groove portion 46b or may be placed while being held by a pair of inclined surfaces 48a and 48b of the upper groove portion 46a. There are cases, etc.
- a cover portion 52 extending in the approach/separation direction is attached to the mounting table 32 .
- the cover portion 52 includes a pair of side plates 52 a and 52 b located on both sides of the groove portion 46 of the mounting table 32 .
- the pair of side plates 52 a and 52 b move integrally with the mounting table 32 .
- the stator 34 and the mover 36 respectively have facing surfaces 34f and 36f facing each other, and the part s is gripped by the pair of facing surfaces 34f and 36f.
- the stator 34 is fixed to the main body 30 via a stator holder 55 .
- the mover 36 is integrally and movably held by a mover holder 56, and the mover holder 56 is provided on the main body 30 so as to be movable in the y direction (approaching/separating direction).
- the stator holder 55 and the mover holder 56 are positioned on both sides of the mounting section holder 45 in the approach/separation direction.
- the stator 34 and the mover 36 are connected to the electrical characteristic measuring section 42 via copper wires.
- the stator 34 includes a body portion 34h and a contact portion 34a as a concave portion forming portion detachably provided on the body portion 34h.
- the contact portion 34a is detachably attached to the body portion 34h by a bolt 34b as a fixing device.
- the surface of the contact portion 34a facing the mover 36 is the facing surface 34f.
- the contact portion 34a is provided with a concave portion 54 that opens to face the groove portion 46 of the component mounting portion 44 in the approaching/separating direction.
- a bottom surface 54b of the concave portion 54 is a flat surface extending in a direction orthogonal to the approaching/separating direction.
- the facing surface 34f includes the bottom surface 54b of the recess.
- the length La of the opening of the recess 54 in the x direction corresponds to the width Wa of the bottom surface 50 of the groove 46 (corresponding to the width of the bottom). That is, the width La of the opening of the recess 54 is substantially the same as the width Wa of the bottom surface 50 (La ⁇ Wa).
- the depth of the concave portion 54 (the length in the approaching/separating direction from the opening to the bottom surface 54b) Ld is less than 1/2 the length Lp of the component s (Ld ⁇ Lp/2).
- the component s is a component s whose width Wp is smaller than the width Wa of the bottom surface 50 of the groove 46 (Wp ⁇ Wa). , refers to the smallest part s among a plurality of types of parts s.
- the mover 36 includes a generally rectangular parallelepiped main body portion 36a and a protruding portion 36b that protrudes downward from the front portion of the main body portion 36a.
- the mover 36 is held by the mover holder 56 at the rear portion of the body portion 36 a , and the projecting portion 36 b and the body portion 36 a forming the front portion enter the groove portion 46 of the component placement portion 44 .
- the front end surface of the protruding portion 36b of the mover 36, or the front end surface of the protruding portion 36b and (a part of) the front end surface of the main body portion 36a serve as the opposing surface 36f.
- the body portion 36a is provided in a posture in which the longitudinal direction of the rectangular parallelepiped extends in the approaching/separating direction.
- the projecting portion 36b has a size and shape that can be engaged with the groove portion 46, as shown in FIGS. 6B and 6C.
- the projecting portion 36b includes a lower groove engaging portion 57 that engages with the lower groove portion 46b and an upper groove engaging portion 58 that engages with a portion of the upper groove portion 46a.
- the upper groove engaging portion 58 has a pair of inclined surfaces 58 a and 58 b that face part of the pair of inclined surfaces 48 a and 48 b of the groove portion 46 .
- the lower groove engaging portion 57 has a bottom surface 50 of the lower groove portion 46b, a lower end surface 57d facing the pair of wall surfaces 51a and 51b, and a pair of side surfaces 57a and 57b.
- the body portion 36 a is separated from the pair of inclined surfaces 48 a and 48 b of the groove portion 46 .
- the mounting table moving device 40 and the mover moving device 41 include air cylinders 60 and 62 as driving sources, a pair of guide rails 64 and 66 provided on the main body 30, a guide rail 64, It includes a pair of stage sliders 68, 69 and a pair of mover sliders 70, 71 movably engaged with 66, electromagnetic valve devices 74, 76 (see FIGS. 9 and 10), an air source 77, and the like.
- a pair of guide rails 64 and 66 are fixed to the main body 30 while being separated in the x direction (the width direction of the mover 36) while extending in the y direction (approaching/separating direction).
- the mounting section holder 45 is fixed to the mounting table sliders 68 and 69 .
- the mover holders 56 are fixed to the mover sliders 70 and 71, respectively.
- a piston rod 60r (see FIG. 9) of an air cylinder 60 is attached to the mounting portion holder 45, and a piston rod 62r of an air cylinder 62 is attached to the mover holder 56.
- the air cylinders 60, 62 are provided with the piston rods 60r, 62r extending in the approach/separation direction.
- an air passage 92 is provided in a member on the stator side ⁇ for example, the upper part of the stator 34, the stator holder 55, etc. ⁇ .
- the air passage 92 has an opening 93 that opens to a portion of the stator-side member facing the facing surface 36 f of the mover 36 .
- An ionizer 94 is connected to the air passage 92 .
- the ionizer 94 causes corona discharge to ionize the air.
- a solenoid valve device 74 is provided between the two air chambers 60a and 60b of the air cylinder 60, the air source 77, the air passage 92, and the filter (atmosphere). Movement of the mounting table 32 and the like are controlled by controlling the electromagnetic valve device 74 .
- An air source 77 , an air passage 92 and a filter (atmosphere) are selectively connected to the air chambers 62 a and 62 b of the air cylinder 62 via an electromagnetic valve device 76 .
- an electromagnetic valve device 76 By controlling the solenoid valve device 76, the movement of the mover holder 56 (the mover 36) and the like are controlled. Further, when the mounting table 32 advances and the mover 36 retreats, air is supplied from the air cylinders 60 and 62 to the air passage 92 and the air flows out from the opening 93 .
- an air supply device 96 is composed of the air passage 92, the air source 77, the air cylinders 60 and 62, and the like.
- the air supply device 96 has common components with the mover moving device 41 and the mounting table moving device 40 .
- the mover 36 is attached to the mover holder 56 with respect to the body 30 of the mover 36, which is the height, which is the vertical position in the z direction, and the position in the width direction of the mover 36, which is the x direction. and tilting about an axis X extending in the x-direction are held adjustable.
- the front portion of the mover 36 has a shape and size that allows engagement with the groove portion 46 .
- the mover 36 is assembled to the mover holder 56 in such a state that the gap between the mover 36 and the groove portion 46 is extremely small. Therefore, even if the component s is small and placed on the bottom surface 50 of the groove 46, it is gripped by the opposing surface 36f of the mover 36 and the opposing surface 34f of the stator 34, and the electrical characteristics are measured. can be
- the vertical position of the movable element 36 with respect to the main body 30, the widthwise position of the movable element 36, and the inclination about the axis X are adjustable, thereby The relative positional relationship between the placement portion 44 and the groove portion 46 is made adjustable.
- the mover holder 56 consists of a holder body 78 fixed to a pair of mover sliders 70 and 71 and a width holder 78 attached to the holder body 78 by two bolts D1 and D2. It includes a directionally movable member 80, a rotating member 82 attached to the widthwisely movable member 80 by bolts E1 and E2, and a vertically movable member 84 attached to the rotating member 82 by bolts F1 and F2.
- the mover 36 is attached to the vertically movable member 84 by a bolt N so as to be integrally movable.
- the bolts D1 and D2 extend vertically, pass through the width direction movable member 80, and are screwed into the holding body main body 78.
- the bolts F1 and F2 extend in the approaching/separating direction, pass through the rotating member 82, and are threadedly engaged with the vertically movable member 84. As shown in FIG. A state in which these bolts are tightened so that the two members cannot move relative to each other is referred to as a fixed state.
- the bolts D1 and D2 are loosened.
- the width direction movable member 80 , the rotating member 82 , the vertical direction movable member 84 and the mover 36 are integrally movable in the width direction of the mover 36 . Since the width direction movable member 80 and the holder main body 78 are provided with a gap R11 in the x direction, the width direction movable member 80 is allowed to move in the x direction with respect to the holder main body 78 .
- the width direction movable member 80 and the like By moving the width direction movable member 80 and the like along the upper surface of the holder main body 78 in the width direction of the mover 36, the position of the mover 36 in the width direction is adjusted, and the bolts D1 and D2 are tightened.
- the widthwise position of the mover 36 can be adjusted within the range of the clearance between the bolts D1 and D2 and the through hole of the widthwise movable member 80 .
- the operation of the bolt D2 is performed using a through hole 86 provided in the vertically movable member 84 and penetrating vertically. A jig is passed through the through hole 86 and engaged with the head of the bolt D2 to loosen or tighten the bolt D2.
- the widthwise movable member 80 is fixed to the holder main body 78 by the bolts D1 and D2, and the rotating member 82 is fixed to the widthwise movable member 80 by the bolts E1 and E2, and then the bolts F1 and F2 are loosened.
- the vertically movable member 84 and the mover 36 can move vertically with respect to the widthwise movable member 80 and the rotating member 82 .
- Vertical movement of the vertical movable member 84 is allowed by the vertical clearance R12 between the vertical movable member 84 and the width direction movable member 80 and the rotating member 82 .
- the stepped surface 84a of the vertically movable member 84 and the inner surface 80a of the widthwise movable member 80 are in contact with each other, the movement of the vertically movable member 84 in the x direction is restricted. .
- the vertically movable member 84 and the like are moved vertically along the widthwise movable member 80, the height of the movable element 36, which is the vertical position, is adjusted, and the bolts F1 and F2 are tightened.
- the vertical position of the mover 36 can be adjusted within the range of the clearance between the bolts F1, F2 and the through hole of the rotating member 82. As shown in FIG.
- the width direction movable member 80 fixed to the holder main body 78 by the bolts D1 and D2 and the vertical direction movable member 84 fixed to the rotating member 82 by the bolts F1 and F2, the bolts E1 and E2 are loosened.
- the rotating member 82 , the vertically movable member 84 and the movable element 36 are rotatable about the axis X with respect to the widthwise movable member 80 . Due to the vertical gap R13 between the rotating member 82 and the holding body main body 78 and the vertical gap R12 between the rotating member 82 and the width direction movable member 80, the rotation of the rotating member 82 around the axis X is Rotation is allowed. Further, since the inner side surface 82a of the rotating member 82 and the outer side surface 80b of the width direction movable member 80 are in contact with each other, the movement of the rotating member 82 in the x direction is restricted.
- the mover 36 is fixed to the vertically movable member 84 by bolts N, but as shown in FIGS. A vertically extending projection 36s provided on the side surface of the child 36 is fitted. Therefore, when the bolt N is loosened, the mover 36 can move vertically relative to the vertically movable member 84 .
- the vertical position of the movable element 36 can also be adjusted by the vertical movement of the movable element 36 with respect to the vertical movable member 84 .
- the gap between the mover 36 and the groove 46 is measured with a jig such as a dial gauge or a strain gauge while the mover 36 is inserted into the groove 46 of the mounting table 32.
- a jig such as a dial gauge or a strain gauge
- the width direction movable member 80, the rotating member 82, the vertical direction movable member 84, the bolt N, the bolts D1 and D2, the bolts E1 and E2, the bolts F1 and F2, and the protrusion provided on the mover 36 36s, a concave portion 84r provided in the vertically movable member 84, and the like constitute an adjusting mechanism 88. As shown in FIG.
- the mounting machine includes a control device 200.
- the control device 200 includes a computer-based controller 202 and a plurality of drive circuits 204, as shown in FIG.
- the controller 202 is connected to the circuit board transporting/holding device 4, the component supply device 6, and the head moving device 8 via a drive circuit 204, respectively.
- Devices 74, 76, etc. are connected.
- the camera 20, the electrical property measuring section 42, the display 216, the mounting table position sensor 218, the mover position sensor 220, etc. are connected.
- the electromagnetic valve devices 74 and 76 are controlled based on output signals from the mounting table position sensor 218 and the mover position sensor 220, and the like. Also, the measurement results of the electrical characteristics of the component s can be displayed on the display 216.
- the measuring device 22 is always in the initial state shown in FIG. 11A.
- the mover 36 is at the backward end position, and the mounting table 32 is at the forward end position.
- the mounting head 16 is moved.
- the component s is held by the suction nozzle 18 , moved, and placed in the groove 46 .
- the mover 36 is advanced under the control of the electromagnetic valve device 76, and the part s is clamped by the mover 36 and the stator 34 as shown in FIG. 11B.
- the mounting table 32 is retracted under the control of the solenoid valve device 74 .
- the mounting table 32 is retracted to a position away from the component s and the pair of probes 37 , in other words, to a position where the projecting portion 36 b of the mover 36 is separated from the groove portion 46 .
- the electrical characteristics of the component s are measured after the static elimination time, which is the set time, has elapsed since the component s was placed on the groove portion 46 .
- the static elimination time is the time during which static electricity charged on the component s is eliminated, and is predetermined.
- the mover 36 is further retracted, and the mounting table 32 is retracted. Since the space between the mover 36 and the stator 34 is communicated with the collection passage 28 , the parts s can be collected into the collection box 26 .
- the mounting table 32 is moved forward and positioned between the pair of facing surfaces 34f and 36f. A space is provided above the groove 46 so that the component s can be placed thereon, and the measuring device 22 is returned to the initial state shown in FIG. 11A.
- air containing ions is supplied to the facing surface 36f of the mover 36, so that the facing surface 36f can be neutralized.
- the stator 34 is provided with recesses 54 that are open facing the ends of the grooves 46 .
- the part s placed on the bottom surface 50 of the groove 46 is moved along the bottom surface 50 by the advance of the mover 36 and comes into contact with the bottom surface 54 b of the recess 54 .
- the part s is gripped by the facing surface 36f of the mover 36 and the facing surface 34f of the stator 34 (the bottom surface 54b of the recess 54). Therefore, even if the component s is small, the component s can be satisfactorily gripped by the pair of facing surfaces 34f and 36f, and the electrical characteristics of the component s can be stably measured.
- the electrical characteristics of the component s are measured while it is housed in the recess 54 and in contact with the bottom surface 54b. In this way, when measuring the electrical characteristics, the posture of the component s can be made substantially the same, and the position of the component s can be made substantially the same. The electrical characteristics can be measured while the part s is positioned in a fixed posture. As a result, the electrical characteristics of the component s can be measured more stably, and the measurement accuracy can be improved.
- the depth of the concave portion 54 is less than half the length of the component s, the component s can be favorably dropped when the pair of facing surfaces 34f and 36f are separated from each other.
- the cover portion 52 is located on both sides between the pair of facing surfaces 34f and 36f while the pair of facing surfaces 34f and 36f are separated from each other. Therefore, as the mover 36 retreats, the air blows out from the opening 93 and circulates inside the cover portion 52 . Thereby, the component s accommodated in the recessed part 54 can be dropped favorably.
- the relative positional relationship of the mover 36 with respect to the main body 30 is adjustable, the relative positional relationship of the mover 36 with respect to the groove 46 of the part mounting portion 44 can be adjusted, and the projecting portion 36b of the mover 36 can be adjusted. and the groove 46 can be made small or close to zero.
- the component s can be better gripped by the pair of facing surfaces 34f and 36f, and the electrical characteristics of the component s can be stably measured.
- the component mounting section 44 is electrically connected to the main body 30 via the mounting section holder 45 and the guide rails 64 and 66, and the mover 36 is connected to the movable element holder 56 and the guide rails. It is in electrical communication with body 30 via 64 and 66 . Therefore, the static elimination of the component s and the static elimination of the mounting table 32, the mover 36, etc. are performed satisfactorily. In particular, it is possible to remove static electricity from the mounting table 32 and the mover 36 regardless of whether the mounting table 32 and the mover 36 (moving element holder 56) are in a stopped state or in a moving state. Therefore, the electrical characteristics of the component s can be stably measured. Even if the component s has a small impedance, the impedance of the component s can be measured with high accuracy.
- the pair of probes are moved in the horizontal direction so as to approach or separate from each other. It can be made separable.
- the relative positional relationship between the mover 36 and the component mounting portion 44 is adjusted by adjusting the relative positional relationship of the mover 36 with respect to the main body 30. By adjusting the relative positional relationship between the placement section 44 and the main body 30, the relative positional relationship between the mover 36 and the component placement section 44 can be adjusted.
- the shape of the groove portion 46 does not matter.
- the groove 146 can have a shape with a flat bottom surface 150 and a pair of inclined surfaces 152a, 152b.
- the width of the opening of the recess 54 provided in the contact portion 34a of the stator 34 can be substantially the same as the width of the bottom surface 150 (corresponding to the width of the bottom portion).
- the depth Ld of the recess 54 is such that when there are multiple types of parts s whose width Wp is smaller than the width of the bottom surface 50 of the groove 46 or the width of the bottom surface 150 of the groove 146, the length of the multiple types of parts s is intermediate. It can be less than 1/2 of the length Lp of the maximum or less than 1/2 of the length Lp of the maximum.
- Measuring device 30 Main body 32: Mounting table 34: Stator 36: Movable element 36s: Convex part 42: Electrical characteristic measuring part 46: Groove part 56: Movable element holder 80: Width direction movable member 82: Rotating member 84: vertical movable member 84r: concave portion 86: through hole D1, D2, E1, E2, F1, F2, N: bolt
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- Supply And Installment Of Electrical Components (AREA)
Abstract
Description
回路基板搬送保持装置4は、回路基板P(以下、基板Pと略称する)を水平な姿勢で搬送して保持するものであり、図1において、基板Pの搬送方向をx方向、基板Pの幅方向をy方向、基板Pの厚み方向をz方向とする。y方向は装着機の前後方向であり、z方向は上下方向である。これら、x方向、y方向、z方向は互いに直交する。部品供給装置6は、基板Pに装着される電子部品(以下、部品と略称する)sを供給するものであり、複数のテープフィーダ14等を含む。ヘッド移動装置8は、装着ヘッド16を保持してx、y、z方向へ移動させるものであり、装着ヘッド16は、部品sを吸着して保持する吸着ノズル18を有する。
突出部36bは、図6B,図6Cに示すように、溝部46に係合可能な大きさ、形状を成す。突出部36bは、下溝部46bに係合する下溝係合部57と、上溝部46aの一部に係合する上溝係合部58とを含む。上溝係合部58は、溝部46の一対の傾斜面48a、48bの一部に対向する一対の傾斜面58a、58bを有する。下溝係合部57は、それぞれ、下溝部46bの底面50、一対の壁面51a、51bに対向する下端面57d、一対の側面57a,57bを有する。本体部36aは、溝部46の一対の傾斜面48a、48bから離間している。
本実施例において、可動子36の前部が、溝部46に係合可能な形状、大きさを成す。また、可動子36は、溝部46との隙間が非常に小さくなる状態で可動子保持体56に組み付けられる。そのため、たとえ、部品sが小さく、溝部46の底面50に載置された場合であっても、可動子36の対向面36fと固定子34の対向面34fとによって把持され、電気的特性が測定され得る。
測定装置22は、常には、図11Aに示す初期状態にある。可動子36は後退端位置にあり、載置台32は前進端位置にある。部品sの電気的特性の測定指令が出されると、装着ヘッド16が移動させられる。吸着ノズル18によって部品sが保持され、移動させられ、溝部46に載置させられる。
また、一対の対向面34f、36fが離間した状態で、カバー部52は、一対の対向面34fと対向面36fとの間の両側に位置する。そのため、可動子36の後退に伴って開口93からエアが噴出し、カバー部52の内部において循環する。それにより、凹部54に収容された部品sを、良好に落下させることができる。
また、上記実施例において、可動子36の本体30に対する相対位置関係が調節されることにより前記可動子36と部品載置部44との相対位置関係が調節されるようにされていたが、部品載置部44と本体30との相対位置関係が調節されることにより、可動子36と部品載置部44との相対位置関係が調節されるようにすることができる。
Claims (8)
- 部品供給装置によって供給された部品を回路基板に装着する装着機に搭載され、接近・離間可能な一対の測定子を含み、前記一対の測定子が前記部品を把持して、前記部品の電気的特性を測定する測定装置であって、
前記一対の測定子のうちの少なくとも一方の前記部品を把持する部分にそれぞれ凹部が形成された測定装置。 - 当該測定装置が、前記部品が載置される載置台を含み、
前記一対の測定子が、前記載置台に載置された前記部品を、概して水平方向に接近して把持するものである請求項1に記載の測定装置。 - 前記載置台に、前記接近・離間する方向である接近・離間方向に延び、前記部品が載置される溝部が形成され、
前記凹部が、前記溝部に対向して開口するものであり、前記開口の幅方向の長さが、前記溝部の底部の幅に対応する長さである請求項2に記載の測定装置。 - 前記溝部が、一対の側面が傾斜した上溝部と、前記上溝部の下部に設けられ、断面が概して四角形を成す下溝部とを含む請求項3に記載の測定装置。
- 前記凹部の深さが、前記部品の長さの1/2未満とされた請求項1ないし4のいずれか1つに記載の測定装置。
- 前記一対の測定子のうちの前記少なくとも一方が、それぞれ、本体部と、少なくとも前記凹部が形成された部分を有する凹部形成部とを含み、前記凹部形成部が前記本体部に対して着脱可能に設けられた請求項1ないし5のいずれか1つに記載の測定装置。
- 前記一対の測定子が、固定子と、前記固定子に対して接近・離間可能に設けられた可動子とを含み、
前記凹部が、前記固定子の前記可動子に対向する部分に形成された請求項1ないし6のいずれか1つに記載の測定装置。 - 当該測定装置が、前記部品が載置される溝部を備えた載置台を含み、
前記溝部が、前記接近・離間する方向である接近・離間方向に延びたものであり、
前記一対の測定子が、固定子と、前記固定子に対して接近・離間可能に設けられた可動子とを含み、
前記可動子の前部が、前記溝部の一部に係合可能な形状および大きさを成し、
当該測定装置が、前記可動子と前記載置台との相対位置関係を調節する調節機構を含む請求項1ないし7のいずれか1つに記載の測定装置。
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JPS5588388A (en) * | 1978-10-10 | 1980-07-04 | Usm Corp | Element tester |
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WO2017009987A1 (ja) | 2015-07-15 | 2017-01-19 | 富士機械製造株式会社 | 検査装置 |
WO2017056300A1 (ja) * | 2015-10-01 | 2017-04-06 | 富士機械製造株式会社 | 検査装置 |
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JPS5588388A (en) * | 1978-10-10 | 1980-07-04 | Usm Corp | Element tester |
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WO2017009987A1 (ja) | 2015-07-15 | 2017-01-19 | 富士機械製造株式会社 | 検査装置 |
WO2017056300A1 (ja) * | 2015-10-01 | 2017-04-06 | 富士機械製造株式会社 | 検査装置 |
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