JP2008073626A - Part inspection device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce a disposing space for a part inspection device which enables appearance inspection from various directions. <P>SOLUTION: The part inspection device 1 is provided with a first disk 17, a second disk 57, a transfer mechanism 5, inspection units 13, 53, and sorting units 14, 54. The first disc 17 can carry a work W in the rotation direction while placing it thereon. The second disk 57 can carry the work W in the rotation direction while placing it thereon, and is disposed on the axially lower side of the first disk 17. The transfer mechanism 5 transfers the work W from the first disk 17 to second disk 57 so that the work W is turned upside down. The inspection units 13, 53 inspect the work W placed on and carried by the first and second disks 17, 57. The sorting units 14, 54 sort the works W into a non-defective product and a defective product according to the inspection results of the inspection units 13, 53. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a part inspection apparatus that inspects various parts, and more particularly to a part inspection apparatus that inspects flat parts such as nuts.

  A conventional parts inspection apparatus for inspecting mechanical parts such as screws and rivets includes, for example, a conveyance unit that conveys a part to be inspected, and an appearance inspection (scratches, dimension measurement, shape confirmation, etc.) And an inspection unit for judging pass / fail. For example, a linear feeder or a belt conveyor is used as the transport unit. A CCD camera such as an area sensor or a line sensor is used as the inspection unit.

  The component inspection apparatus further includes a sorting unit that sorts the inspection product into a non-defective product and a defective product according to the inspection result of the inspection unit. For example, the sorting unit excludes defective products from the transport unit.

A component inspection apparatus using a rotating disk as a transport unit is known. In the apparatus, the parts are placed on the disk without being restrained. The CCD camera as the inspection unit is disposed at a position where the side surface and the upper surface of the component can be photographed, for example. The sorting unit has an impeller capable of intermittent rotation (see, for example, Patent Document 1).
JP 2001-246520 A

  In the conventional parts inspection apparatus, flat parts to be inspected such as nuts are aligned by a bowl feeder so that the inspection surface faces upward, and are conveyed onto a rotating disk. The parts are inspected on the upper and side surfaces while being transferred onto the rotating disk. On the other hand, this part to be inspected is also required to inspect the bottom surface in the transferred state.

  In response to this request, first, it is conceivable to perform the inspection again after changing the discharge posture of the workpiece W from the bowl feeder. However, in the above inspection method, there are operations such as re-injection of the parts into the inspection apparatus, change of the posture control mechanism of the parts, etc., so that the work efficiency is poor, and as a result, the inspection cost becomes high. Secondly, a method in which a part taken out as a non-defective product from the rotating disk is again received by the bowl feeder and supplied to another disk inspection unit, where a different surface of the part is inspected upward is also conceivable. However, in this case, two inspection devices are required, and the number of devices increases and the arrangement space increases.

  An object of the present invention is to reduce an arrangement space of a component inspection apparatus capable of inspecting appearance of components from a plurality of directions.

  A component inspection apparatus according to a first aspect includes a first disk, a second disk, a transfer mechanism, an inspection unit, and a sorting unit. The first disk can carry the component to be inspected and convey it in the rotation direction. The second disk is capable of placing the component to be inspected and transporting it in the rotational direction, and is disposed on the lower side in the axial direction of the first disk. The transfer mechanism moves the component to be inspected upside down from the first disk to the second disk. The inspection unit inspects the parts to be inspected that are placed on and transported by the first and second disks. The sorting unit sorts the inspected parts into non-defective products and defective products according to the inspection result of the inspection unit. Here, the “disk” refers to a so-called disk, which includes a circular or annular shape and has a component mounting surface extending at least in the rotation direction.

  In this component inspection apparatus, the inspection target component mounted on the first disk and rotating is inspected on the upper surface by the inspection unit, and is sorted into a non-defective product and a defective product by the sorting unit. Further, the part to be inspected is turned upside down by the transfer mechanism and transferred to the second disk. As a result, the inspection target component placed on the second disk and rotating is inspected by the inspection unit on the upper surface (the bottom surface on the first disk), and the non-defective product and the defective product are sorted by the sorting unit. In this way, since both surfaces of the component to be inspected can be inspected by two disks arranged on the same axis, a space-saving structure can be realized.

  According to a second aspect of the present invention, the first disk and the second disk are arranged coaxially, and the second disk has a larger outer diameter than the first disk.

  In this component inspection apparatus, since the second disk is coaxial with the first disk but has an outer diameter larger than that of the first disk, for example, the camera of the inspection unit is disposed vertically above the outer peripheral portion of the second disk. Can be taken.

  According to a third aspect of the present invention, the component inspection apparatus according to the second aspect further includes a single drive unit that drives the first disk and the second disk.

  In this component inspection apparatus, since the first disk and the second disk are driven by a single drive unit, both surfaces of the component to be inspected can be inspected with a simple structure.

  In a component inspection apparatus according to a fourth aspect, in any one of the first to third aspects, the transfer mechanism supplies the component to be inspected to the second disk in the same direction as the rotation direction of the second disk.

  In this component inspection apparatus, since the component to be inspected is supplied to the second disk in the same direction as the rotation direction, the component to be inspected smoothly transitions to the second disk. For this reason, the movement and supply position of the component to be inspected in the second disk are stabilized.

  In a component inspection apparatus according to a fifth aspect, the transfer mechanism according to the fourth aspect includes a reversing chute.

  In this component inspection apparatus, the top and bottom of the component to be inspected can be reversed with a simple structure.

  According to a sixth aspect of the present invention, there is provided the component inspection apparatus according to the fifth aspect, wherein the transfer mechanism further includes a guide member for guiding the component to be inspected that is placed on the first disk and conveyed to the entrance of the reversing chute. is doing.

  In this component supply apparatus, the component to be inspected is reliably guided to the entrance of the reversing chute by the guide member.

  The component inspection apparatus according to claim 7, wherein the inspection unit includes a first inspection unit that inspects a component to be inspected that is placed on the first disk and conveyed. Yes. The sorting unit has a first sorting unit that removes defective products of parts to be inspected from the first disk before reaching the transfer mechanism in accordance with the inspection result of the first inspection unit.

  In this component inspection apparatus, the first inspection unit inspects the component to be inspected on the first disk, and the first sorting unit removes defective products from the first disk. Therefore, the part to be inspected determined to be defective on the first disk does not move to the second disk. That is, the inspection with the second disk is performed only on the inspected parts determined as non-defective products with the first disk.

  In a component inspection apparatus according to an eighth aspect, in the seventh aspect, the inspection unit further includes a second inspection unit for inspecting a component to be inspected on the second disk. The sorting unit further includes a second sorting unit that removes defective products of the inspected part from the second disk according to the inspection result of the second inspection unit.

  In this component inspection apparatus, the second inspection unit inspects the component to be inspected on the second disk, and the second sorting unit removes defective products from the second disk. Therefore, only the parts to be inspected determined to be non-defective in both the first disk and the second disk finally remain as non-defective.

  In the component inspection apparatus according to the present invention, since both surfaces of a component to be inspected can be inspected by two disks arranged on the same axis, a space-saving structure can be realized.

  FIG. 1 shows a component inspection apparatus 1 as an embodiment of the present invention. The component inspection apparatus 1 is an apparatus for performing an appearance inspection of a workpiece W such as a bolt, a screw, and a rivet. More specifically, in this embodiment, the workpiece W is a flat member such as a nut, and the component inspection apparatus 1 is an apparatus for inspecting both axial end surfaces of the workpiece W.

  The component inspection apparatus 1 mainly includes a bowl feeder 2, a first linear feeder 3, a first disk inspection apparatus 4, a transfer mechanism 5, and a second disk inspection apparatus 6. These mechanisms are mounted on the machine base 8.

  The bowl feeder 2 is an apparatus for aligning and feeding the workpieces W. The bowl feeder 2 has a cylindrical storage portion that can store a plurality of workpieces W, and a large number of flat workpieces W such as nuts are charged therein. In this embodiment, the workpiece W is a nut (flange nut) having a thin flange formed on the seat surface side, and is fed from the bowl feeder 2 to the first linear feeder 3 with the flange facing upward. The

  The first linear feeder 3 is a device for feeding the workpiece W from the bowl feeder 2 to the first disk inspection device 4. As shown in FIG. 2, the first rectilinear feeder 3 has a component conveying surface 11 that extends long in one direction, and the workpiece W can move in the longitudinal direction of the component conveying surface 11 (in the direction of arrow Y1 in the figure). It has become. The component conveyance surface 11 extends so as to coincide with the tangential direction of the first disk 17 so that the conveyance direction of the workpiece W matches the rotation direction of the first disk 17 described later.

  The first disk inspection device 4 is a device for inspecting the end face of the workpiece W. The first disk inspection device 4 includes a first transport unit 12 that transports the workpiece W, a first inspection unit 13 that inspects the workpiece W, and a first sorting unit that sorts non-defective and defective products of the workpiece W. 14.

  The first transport unit 12 is mainly composed of a first disk 17 and a servo motor (not shown) for rotationally driving the first disk 17. The first disk 17 is a member for transporting the workpiece W in the rotation direction. The first disk 17 is a disk-like member and has an annular component placement surface 19. The component placement surface 19 is a flat surface. The servo motor (not shown) is provided with a rotary encoder (not shown), and the rotation of the first disk 17 is detected by the rotary encoder.

  With the above configuration, the first disk 17 rotates at a constant speed in the direction of arrow Y2 in FIG. The first disk 17 can be rotated at a speed suitable for the supply speed of the bowl feeder 2 and the first linear feeder 3 and the inspection speed of the first disk inspection apparatus 4. Further, the workpiece W can be quickly separated from the first linear feeder 3 according to the rotation of the first disk 17. As described above, the workpiece W can be inspected at high speed.

  FIG. 2 shows an outline of the first inspection unit 13. The first inspection unit 13 is mainly based on the first camera 31 for photographing the workpiece W from obliquely above, the second camera 32 for photographing the workpiece W from directly above, and image information from each camera. And a determination unit (not shown) for determining the quality of the workpiece W. The first camera 31 is a device for inspecting the inner peripheral surface of the workpiece W. A ring light 34 is disposed between the first camera 31 and the first disk 17. The second camera 32 is an apparatus for inspecting the flange-side end surface of the workpiece W, and is arranged so that the downstream side in the transport direction can be imaged from the imaging point of the first camera 31 of the first disk 17. A ring light 35 is disposed between the second camera 32 and the first disk 17. The determination unit (not shown) is a device for determining the quality of the work W based on images from the first camera 31 and the second camera 32, and includes a computer including a CPU, a RAM, and a ROM.

  The first sorting unit 14 is a device for sorting the work W from a non-defective product and a defective product based on the determination result of the first inspection unit 13. This is a mechanism for removing from the placement surface 19. As shown in FIG. 2, the first sorting unit 14 is arranged on the downstream side in the transport direction from the imaging point of the second camera 32 on the first disk 17. The first sorting unit 14 has an impeller (not shown) for ejecting the workpiece W, a discharge plate 37 disposed downstream of the impeller in the conveyance direction of the workpiece W, and rotates the discharge plate 37 by a predetermined angle. And a servo motor 38. The discharge plate 37 is disposed above the first disk 17 independently of the rotation of the first disk 17. The discharge plate 37 normally stands by at a position that does not hinder the conveyance of the workpiece W, and rotates to a position that obliquely intersects the conveyance track of the workpiece W under the drive of the servo motor 38.

  When the determination by the determination unit is “bad” regarding the specific discharge operation of the work W determined to be defective, the impeller rotates when the corresponding work W reaches the rotation movement path of the impeller. The workpiece W that has received the defect determination is repelled to the outer peripheral side of the first disk 17. As a result, the workpiece W passes through the defective product discharge path 40 and is accommodated in a defective product collection box (not shown). When the defective product cannot be discharged by the impeller, the servo motor 38 is driven and the discharge plate 37 is rotated on the work track of the workpiece W. Accordingly, the workpiece W that has been judged to be defective moves along the discharge plate 37 toward the outer periphery of the first disk 17 and is spilled from the outer periphery of the first disk 17 and eliminated. In this way, in the first sorting unit 14, the work W that has been judged to be defective is removed from the first disk 17.

  The first disk inspection device 4 further includes a trajectory correction unit 36. The trajectory correcting unit 36 is a member for guiding the workpiece W to a predetermined radial position on the first disk 17 after feeding from the first linear feeder 3. The trajectory correcting unit 36 is formed of a disc provided above the first disk 17 independently of the rotation of the first disk 17. The trajectory correcting unit 36 is disposed on the downstream side in the disk transport direction from the supply position from the first linear feeder 3, and is disposed on the upstream side in the disk transport direction from the first camera imaging point of the first disk 17.

  The second disk inspection device 6 is a device for inspecting the surface of the workpiece W opposite to the flange side. The second disk inspection apparatus 6 includes a second transport unit 52 that transports the workpiece W, a second inspection unit 53 that inspects the workpiece W, and a second sorting unit that sorts non-defective and defective products of the workpiece W. 54.

  The second transport unit 52 is mainly composed of a second disk 57 and a motor (not shown) for rotationally driving it. This motor is the same as the motor that drives the first disk 17. That is, the first disk 17 and the second disk 57 are driven by a single motor. With the above-described configuration, the second disk 57 is driven at a constant speed in the direction of the arrow Y2 in the drawing similarly to the first disk 17 by being driven by a servo motor (not shown).

  The second disk 57 is a member for transporting the workpiece W supplied from the first disk 17 by the transfer mechanism 5 (described later) in the rotation direction. The second disk 57 is a disk-like member and has an annular component placement surface 59. The component placement surface 59 has a planar shape. The second disk 57 is disposed below the first disk 17 in the vertical direction. Since the second disk 57 is a member that is coaxial with the first disk 17 but has a larger outer diameter than the first disk 17, the entire part mounting surface 59 of the second disk 57 or a part of the outer peripheral side in the vertical direction. The upper side is not covered by the first disk 17.

  The second inspection unit 53 mainly determines the quality of the workpiece W based on the third camera 61 for photographing the surface of the workpiece W opposite to the flange and the image information from the third camera 61. A determination unit (not shown) is provided. The third camera 61 is disposed above the second disk 57, that is, above the outer peripheral portion of the second disk 57 that is not covered by the first disk 17. A ring light 64 is disposed between the third camera 61 and the second disk 57. The control unit (including the determination unit) of the first disk inspection apparatus 4 and the control unit (including the determination unit) of the second disk inspection apparatus 6 may be common or may be independent.

  The second sorting unit 54 is a device for sorting the work W from a non-defective product and a defective product based on the determination result of the second inspection unit 53. Specifically, the defective product is placed on the second disk 57. It is an apparatus for removing from the surface. The second sorting unit 54 is disposed on the downstream side in the transport direction from the imaging point of the third camera 61 on the second disk 57. The second sorting unit 54 includes an exclusion plate (not shown) for ejecting the workpiece W, and a servo motor 68 for rotating the exclusion plate by a predetermined angle. Since the configuration and operation of the second sorting unit 54 are the same as those of the first sorting unit 14 described above, description thereof is omitted here.

  The second disk inspection device 6 further includes a discharge plate 77 and a non-defective product discharge path 78 on the downstream side in the transport direction from the second sorting unit 54. The discharge plate 77 has a guide surface for guiding the workpiece W to the non-defective product discharge path 78. The non-defective product discharge path 78 is connected to a non-defective product collection box (not shown), and the non-defective workpiece W is accommodated in the non-defective product collection box.

  FIG. 3 shows details of the transfer mechanism 5. The transfer mechanism 5 is a device for reversing and supplying the work W from the first disk inspection device 4 to the second disk inspection device 6. The transfer mechanism 5 is mainly composed of a reversing chute 70, a rotating disc 72, a guide plate 73, and an outer peripheral plate 74.

  The reversing chute 70 is disposed on the upper part of the outer periphery of the component placement surface 59 of the second disk 57, the inlet 70 a is disposed in the vicinity of the outer periphery of the first disk 17, and the outlet 70 b is a component of the second disk 57. It arrange | positions so that the mounting surface 59 outer peripheral part upper surface may be met. The reversing chute 70 is provided independently from the rotation of the first disk 17 and the second disk 57. An inlet 70a and an outlet 70b of the reversing chute 70 are opened in the direction of the arrow Y2.

  The rotating disk 72 is a member for conveying the workpiece W from the first disk 17 to the inlet 70 a of the reversing chute 70. The rotating disk 72 is disposed in the vicinity of the inlet 70 a of the reversing chute 70 on the outer peripheral side of the first disk 17. The rotating disk 72 is rotatably supported, and the outer peripheral surface is in contact with the outer peripheral surface of the first disk 17. Therefore, when the first disk 17 rotates in the direction of the arrow Y2, the rotating disk 72 rotates in the direction of the arrow Y3 due to the friction of the contact portion.

  The guide plate 73 is a member for guiding the workpiece W from the first disk 17 to the rotating disk 72 side, and is disposed on the first disk 17 independently of the rotation of the first disk 17. The guide plate 73 is arranged obliquely intersecting the rotation direction of the first disk 17 in order to move the workpiece W to the outer peripheral side of the first disk 17.

  The outer peripheral plate 74 is a member for preventing the workpiece W from falling off the rotating disc 72. The outer peripheral plate 74 is an arc-shaped member provided along the outer peripheral edge of the rotating disc 72, and both ends are continuous with the guide plate 73 and the inlet 70 a of the reversing chute 70, respectively.

  With the above configuration, the workpiece W that has moved along with the rotation of the first disk 17 is guided to the rotating disc 72 by the guide plate 73. At this time, the guide plate 73 guides the workpiece W so that the workpiece W passes through the contact portion between the first disk 17 and the rotating disc 72. Subsequently, the workpiece W rotates with the rotating disc 72 and is carried to the inlet 70 a of the reversing chute 70. From there, the workpiece W enters the inlet 70a of the reversing chute 70 and is discharged from the outlet 70b in a posture in which the front and back are reversed. The discharge direction of the workpiece W is the same as the rotation direction (arrow Y2 direction) of the second disk 57.

  The workpiece W is moved to the outer peripheral side by centrifugal force on the rotating disc 72 and moves in the direction of the arrow Y3 while being in contact with the outer peripheral plate 74. Accordingly, when the workpiece W reaches the vicinity of the inlet 70a of the reversing chute 70, it quickly moves into the inlet 70a. In this embodiment, a restricting portion 75 is provided downstream of the inlet 70a of the reversing chute 70 in the direction of arrow Y3. The restricting portion 75 is formed continuously from the inlet 70 a of the reversing chute 70. The restricting unit 75 restricts the work W when the work W is about to be transferred while remaining on the rotating disk 72 without entering the inlet 70 a of the reversing chute 70. It is a member for guiding to the inlet 70a. Note that the restriction unit 75 is not necessarily required. Further, as another embodiment, a guide member for reliably moving the workpiece W to the outer peripheral portion of the rotating disc 72 or a regulating member for regulating the trajectory of the workpiece W on the rotating disc 72 may be further provided. good.

Further, the second disk inspection device 6 further includes a trajectory correcting unit 76. The trajectory correcting unit 76 is a member for guiding the workpiece W to a predetermined inspection trajectory on the second disk 57. The trajectory correcting unit 76 is formed of a disc provided independently of the second disk 57 above the second disk 57, and is disposed near the downstream side in the transport direction from the discharge position from the transfer mechanism 5.
(Operation)

  The operation of the component inspection apparatus 1 will be described. Since the detailed configuration and operation of each device have already been described, only the outline will be described here.

  The workpiece W is aligned in a posture in which the nut seat surface faces upward by the bowl feeder 2, and then supplied to the first disk inspection device 4 by the first rectilinear feeder 3. The workpiece W moves with the rotation of the first disk 17 in a state where it is placed on the component placement surface 19 of the first disk 17. The workpiece W is photographed on the nut seating surface by the first camera 31 and the second camera 32 of the first inspection unit 13. If the work W is determined to be defective, it is removed from the first disk 17 by the first sorting unit 14.

The workpiece W (part determined to be a non-defective product by the first disk inspection apparatus 4) is supplied to the second disk inspection apparatus 6 while being turned upside down by the transfer mechanism 5. After the workpiece W is discharged from the transfer mechanism 5, the workpiece W rotates together with the second disk 57 while being placed on the component placement surface 59 of the second disk 57. The surface of the workpiece W opposite to the nut seat surface is photographed by the third camera 61 of the second inspection unit 53. When the work W is determined to be defective, it is removed from the second disk 57 by the second sorting unit 54. As a result, the workpiece W (part determined to be a non-defective product by the second disk inspection device 6) is collected from the non-defective product discharge path 78 to a non-defective product collecting unit (not shown).
(The invention's effect)

  In the component inspection apparatus 1, when the workpiece W is placed on the first disk 17 and rotates, the upper surface is inspected by the first inspection unit 13, and is sorted into a non-defective product and a defective product by the first sorting unit 14. Further, the workpiece W is turned upside down by the transfer mechanism 5 and transferred to the second disk 57. As a result, when the workpiece W is placed on the second disk 57 and rotates, the upper surface (the bottom surface on the first disk 17) is inspected by the second inspection unit 53, and the non-defective product and the defective product are inspected by the second sorting unit 54. And sorted. Thus, since both surfaces of the workpiece W can be inspected by the two disks 17 and 57 arranged in the axial direction, a space-saving structure can be realized.

  In the component inspection apparatus 1, the first disk 17 and the second disk 57 are arranged coaxially. However, since the second disk 57 has a larger outer diameter than the first disk 17, the third camera 61 of the second inspection unit 53. Can be photographed so as to be located directly below the outer periphery of the second disk 57 in the vertical direction.

  In the component inspection apparatus 1, since the first disk 17 and the second disk 57 are driven by a single drive motor (not shown), both surfaces of the workpiece W can be inspected with a simple structure.

  In the component inspection apparatus 1, since the workpiece W is supplied to the second disk 57 in the same direction as the rotation direction, the workpiece W smoothly moves to the second disk 57. For this reason, the movement and supply position of the workpiece W on the second disk 57 are stabilized.

In the component inspection apparatus 1, the first inspection unit 13 inspects the workpiece W on the first disk 17, and the first sorting unit 14 removes defective products from the first disk 17. Therefore, the work W determined to be defective on the first disk 17 does not move to the second disk 57. In other words, the inspection with the second disk 57 is performed only on the workpiece W determined as a non-defective product with the first disk 17. Next, the second inspection unit 53 inspects the workpiece W on the second disk 57, and the second sorting unit 54 removes defective products from the second disk 57. Therefore, only the work W determined to be non-defective on both the first disk 17 and the second disk 57 finally remains as non-defective.
(Other examples)

  The above embodiment is merely an example of the present invention, and various modifications can be made without departing from the spirit of the present invention.

  FIG. 4 shows another embodiment of the reversing chute. In this embodiment, the second disk of the second disk inspection apparatus rotates in the arrow Y4 direction (opposite to the Y2 direction). In this case, in order to use a single motor as in the above embodiment, a power reversing mechanism is required.

  The transfer mechanism 85 is a device for reversing and supplying the workpiece W from the first disk inspection device 4 to the second disk inspection device 6. The transfer mechanism 85 is provided independently of the rotation of the first disks 17 and 57. The transfer mechanism 85 is mainly composed of a reversing chute 86 and a guide plate 87.

  The reversing chute 86 is disposed on the upper part of the outer periphery of the component placement surface 59 of the second disk 57, the inlet 86 a is disposed in the vicinity of the outer periphery of the first disk 17, and the outlet 86 b is a component of the second disk 57. It arrange | positions so that the mounting surface 59 outer peripheral part upper surface may be met. The inlet 86a and the outlet 86b of the reversing chute 86 are open in the direction of the arrow Y4.

  The guide plate 87 is a member for guiding the workpiece W from the first disk 17 toward the inlet 86 a of the reversing chute 86, and is disposed on the first disk 17. The guide plate 87 is disposed obliquely intersecting the rotation direction of the first disk 17 in order to move the workpiece W to the outer peripheral side.

  With the above configuration, the workpiece W is carried from the first disk 17 to the inlet 86a of the reversing chute 86 by the guide plate 87. From there, the workpiece W enters the inlet 86a of the reversing chute 86, and is discharged from the outlet 86b with the front and back reversed. The discharge direction of the work W is the same as the rotation direction of the second disk 57 (arrow Y4 direction).

  In this embodiment, since the approach direction of the work W to the reversing chute 86 is the same as the rotation direction of the first disk 17 (the direction of the arrow Y2), the work W surely enters the reversing chute 86 at the inlet 86a with a simple structure. Carried.

  As a result, the present embodiment can provide the same effects as those of the previous embodiment.

  In addition, the shape of the workpiece | work W used for the components inspection apparatus which concerns on this invention is not limited to the nut of the said embodiment.

  The present invention is applicable to a component inspection apparatus, in particular, an inspection apparatus that continuously inspects components.

The perspective view of the whole structure of the components inspection apparatus as one Embodiment of this invention. It is the elements on larger scale of FIG. 1, and is a perspective view of the 1st disk inspection apparatus and the 2nd disk inspection apparatus. (A) is a perspective view of a transfer mechanism, (b) is the principal part enlarged view. The perspective view of the transfer mechanism in other embodiment.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Parts inspection apparatus 2 Bowl feeder 3 1st linear feeder 4 1st disk inspection apparatus 5 Transfer mechanism 6 2nd disk inspection apparatus 13 1st inspection unit 14 1st selection unit 17 1st disk (1st disk)
53 Second inspection unit 54 Second selection unit 57 Second disc (second disc)
70 Reversing chute 73 Guide plate (guide member)
86 Reversing chute 87 Guide plate (guide member)
W Workpiece (inspected part)

Claims (8)

A first disk on which a part to be inspected can be placed and transported in the rotational direction;
A second disk disposed on the lower side in the axial direction of the first disk;
A transfer mechanism for transferring the inspected part upside down from the first disk to the second disk;
An inspection unit for inspecting the parts to be inspected that are placed and conveyed on the first and second disks;
A sorting unit that sorts non-defective products and defective products according to the inspection result of the inspection unit;
Parts inspection device. The first disk and the second disk are arranged coaxially;
The component inspection apparatus according to claim 1, wherein the second disk has an outer diameter larger than that of the first disk.   The component inspection apparatus according to claim 2, further comprising a single drive unit that drives the first disk and the second disk.   The said transfer mechanism is a components inspection apparatus in any one of Claims 1-3 which supplies the said to-be-inspected component with respect to the said 2nd disk in the same direction as the rotation direction of the said 2nd disk.   The component inspection apparatus according to claim 4, wherein the transfer mechanism has a reversing chute.   6. The component inspection according to claim 5, wherein the transfer mechanism further includes a guide member for guiding the component to be inspected placed on the first disk and conveyed to an entrance of the reversing chute. apparatus. The inspection unit includes a first inspection unit that inspects the component to be inspected that is placed and transported on the first disk,
The sorting unit includes a first sorting unit that removes defective products of the inspected part from the first disk before reaching the transfer mechanism according to an inspection result of the first inspection unit. Item inspection device in any one of claim | item 1 -6. The inspection unit further includes a second inspection unit that inspects the part to be inspected that is placed and transported on the second disk,
The component inspection apparatus according to claim 7, wherein the selection unit further includes a second selection unit that removes defective products of the component to be inspected from the second disk according to an inspection result of the second inspection unit. .

Images