JP3833809B2 - Electronic component inspection equipment - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an electronic component inspection apparatus.
[0002]
[Prior art]
Conventionally, chip-type electronic components that have completed the manufacturing process are individually judged as to whether or not they conform to the external shape and electrical standards, etc., and defective products are eliminated. The electronic component inspection apparatus includes an index table in which a large number of cutout grooves are formed, and an insertion guide portion for inserting electronic components one by one into the cutout groove. Whether or not the electronic components inserted in the product conform to the external shape and electrical standards is determined individually to eliminate defective products and send only good products to the packaging process. In addition, the external quality is determined by a sensor provided in the insertion guide part and the notch groove. When the sensor detects a defective product, the interval between the insertion guide parts is increased to make the defective product free. Then, it is sucked into a vacuum device and removed from the insertion guide part and the cutout groove.
[0003]
[Problems to be solved by the invention]
However, since the electronic component is fine, a plurality of electronic components under the influence of the vacuum, that is, 20 to 30 unidentified electronic components following the defective product are discharged by the slide of the insertion guide portion. Is removed while the insertion guide is being opened, and the posture of the electronic component being removed becomes horizontal (see FIG. 4) or is inclined while the insertion guide is returned to reduce the interval. The normal interval cannot be restored, the electronic components are clogged and cannot be inserted into the cutout groove, and the work must be stopped. In order to solve such a problem, it is necessary to eliminate electronic components that are obstructed by manual work, which not only reduces productivity, but also requires a lot of manpower.
[0004]
[Means for Solving the Problems]
In this invention, an index table in which a large number of cutout grooves capable of storing electronic components one by one are formed, a conveyance groove that conveys a large number of electronic components in a line, and an electronic component that is provided at the end of the conveyance groove. comprising an insertion guide portion for inserting operation of inserting the cut-out groove, by rotation of the index table, while conveying the electronic component housed in the slit, whether the said electronic part is in compliance with standards or to determine a defective products so as to remove from the slit, in the insertion guide portion, together form a conveying groove laterally by slidable and the end guide walls, sliding the end guide wall electronic components so as to aspirate the electronic component of the insertion guide portion opened a defective suction hole provided in the bottom wall of the insertion guide portion by There is provided cents 査 device.
[0005]
In particular, when the index table becomes non-rotatable due to a failure in the insertion of the electronic component into the notch groove at the insertion guide portion, the index table stops rotating and the end guide wall is By sliding and opening the defective product suction hole, the electronic component of the insertion guide portion portion is sucked and removed from the defective product suction hole, and then when the terminal guide wall is returned, When the terminal guide wall does not return to the normal guide position, the terminal guide wall is slid once again to open the defective product suction hole, and the electronic parts in the insertion guide portion are sucked from the defective product suction hole. It is characterized by being excluded.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
In this invention, the electronic parts that have undergone the manufacturing process are first put into the parts feeder, aligned in a row by the parts feeder, and inserted one by one into the notch groove formed on the outer periphery of the index table via the insertion guide portion. At this time, if there are externally defective products such as cracks, plating residue and irregular dimensions, the gap between the insertion guides is widened to free the defective products and communicated with the discharge port that opens and closes by sliding the insertion guides. With this suction device, the defective product is removed from the insertion guide portion and the cutout groove so that the work after the operation is not hindered.
[0007]
However, since the electronic components are fine, a plurality of electronic components under the influence of the vacuum, that is, 20 to 30 unidentified electronic components following the defective product are discharged by the slide of the insertion guide portion. Is removed while the insertion guide is open, and while the insertion guide part slides to narrow the interval, the posture of the electronic component being removed becomes horizontal or oblique, and the insertion guide part cannot return to the normal interval. The situation occurs with a certain probability, the electronic guide is clogged in the insertion guide, or the guide becomes inaccurate, and it becomes impossible to insert the electronic component into the notch groove, and the work must be stopped. is there.
[0008]
In the present embodiment, the above-described unrecoverable state of the insertion guide portion is detected, and an electronic component that becomes a failure of return is inserted while repeating the failure removal operation of the same procedure as the defective product discharge operation described above twice. When the insertion guide part can be restored, the operation is resumed. If the insertion guide part cannot be restored even after repeating the fault removal operation twice, the device is stopped and an alarm is issued. This is notified to the operator.
[0009]
【Example】
An embodiment of the present invention will be described in detail with reference to the drawings.
[0010]
In FIG. 1, A is a taping packaging apparatus that taps an electronic component T conveyed from a manufacturing process. B is an editing device for editing a tape in which the electronic component T is packaged. D is an electronic component inspection device, which is incorporated in the taping packaging device A, and removes defective parts in advance so that defective products are not shipped before taping and packaging the finished electronic components. It is. C is a control device with a built-in computer for controlling the operation of each of the devices A and D, and is housed and arranged inside the machine base.
[0011]
1-3, the taping packaging apparatus A is connected to the parts feeder 1, the electronic component inspection apparatus D, and the taping packaging part 2, and the parts feeder 1 is a turntable disposed in the center. A gallery 12 is arranged along the peripheral edge of 11, and the start end of a conveyance rod 30 having a conveyance groove 31 is connected to the end of the gallery 12, and a large number of electronic components T placed on the turntable 11 are fixed. It is arranged in a line in the posture and conveyed to the electronic component inspection apparatus D in the next process. In FIG. 1, reference numeral 13 denotes a hopper for supplying the electronic component T to the turntable 11.
[0012]
An insertion guide portion 32 is provided at the end of the transport rod 30 so that the end of the transport groove 31 faces the periphery of an index table 40 described later.
[0013]
As shown in FIGS. 2 and 3, the index table 40 is formed with a large number of notch grooves 42 in which only one electronic component T can be accommodated at the periphery of the table body 41 that rotates intermittently, and at the back of the notch groove 42. A suction hole 43 communicating with a vacuum generator (not shown) is opened so that the electronic component T in the notch groove 42 is sucked and held by a negative pressure. The opening of 42 is directly opposed to the conveying groove 31, the electronic component T from the conveying groove 31 is accommodated in the notch groove 42, and is arranged along the periphery of the index table 40 by intermittent rotation of the index table 40. It is made to convey to each pass / fail judgment part 50,51 provided.
[0014]
In addition, a defective product suction hole that allows one side of the end guide wall 33 that forms the conveying groove 31 of the insertion guide portion 32 to be slidable in the lateral direction and opens and closes by sliding the end guide wall 33 on the bottom wall of the insertion guide portion 32. 63 is provided, and the defective product suction hole 63 is connected to a vacuum-type defective product recovery device via a suction hose 64.
[0015]
When an externally defective product T1 such as cracks, uneven dimensions, or adhesion of plating residue is supplied to the notch groove 42 of the index table 40, the externally defective product T1 and the subsequent electronic component T are transferred to the end guide wall 33. The index table 40 may become unrotatable due to being sandwiched between the index table 40 and the index table 40. In such a case, the rotation of the index table 40 is stopped, the negative pressure of the suction hole 43 is released, and the end The guide wall 33 is slid to loosen the electronic component T, the defective product suction hole 63 is opened, and the electronic component T obstructing the rotation of the index table 40 by the vacuum wind pressure is inserted into the notch groove 42 and the insertion guide portion 32. Defective product removal operation is performed so as to be removed.
[0016]
As described above, since the external defective product T1 is eliminated by the wind pressure of the vacuum, the defective product removal operation may not be performed with a certain degree of probability. As shown in FIG. For example, the end guide wall 33 and the index table 40 may be sandwiched between the end guide wall 33 and the end guide wall 33 may not return to the normal guide position, and the operation may be interrupted. It is known that the return blocking state of the terminal guide wall 33 can be eliminated with a high probability by performing exactly the same fault removal operation as the non-defective product removal operation.
[0017]
Therefore, in this embodiment, the failure removal subroutine shown in the flowchart of FIG. 5 is set in the computer in the control device C to control the operation of the electronic component inspection device D.
[0018]
That is, during the main routine for controlling the operation of the electronic component inspection apparatus D, the return state of the end guide wall 33 is monitored, and when the return of the end guide wall 33 is prevented, the conditional branch that moves to the following subroutine When the return prevention occurs (101), the counter is reset (102), the operation of the electronic component inspection apparatus D is temporarily stopped (103), and the termination guide wall 33 for discharging the electronic component T which becomes an obstacle is removed. Opening and closing (104), monitoring the return state of the terminal guide wall 33 (105), if the return is prevented (105Y), incrementing the counter (106), if the count number is 3 or less (105) 107Y), returning to step (104), the end guide wall 33 is opened and closed.
[0019]
If the return of the end guide wall 33 is not prevented at step (105) (105N), the electronic component inspection apparatus D is activated (108) and the process returns to the main routine.
[0020]
In step (107), if the count is not 3 or less (107N), the electronic component inspection apparatus D is not activated and an alarm is activated (109).
In this way, the return prevention of the end guide wall 33 is constantly monitored, and when the return prevention occurs, the electronic components that are an obstacle to the return of the end guide wall 33 are removed, and the return of the end guide wall 33 is confirmed, If it is normal, the operation is automatically resumed, so that the productivity can be greatly increased, and the manual inspection and repair work can be greatly saved.
[0021]
Moreover, if the terminal guide wall 33 of the insertion guide portion 32 cannot be restored even after repeating the failure removal operation a preset number of times (three times in this embodiment), an alarm is issued and the device is stopped. When the end guide wall 33 cannot be restored due to the above, it is possible to prevent the trouble from expanding by repeating the fault removing operation.
[0022]
In addition, as shown in FIG. 3, on the periphery of the index table 40, according to the rotation direction of the index table 40, the first and second electrical pass / fail judgment units 50 and 51 and the first defective product discharge unit 60 are confirmed. Portion 52, second defective product discharge portion 61, and non-defective product discharge portion 21 of taping packaging portion 2 are arranged, and electrical defective product T2 detected by first and second electrical pass / fail discriminating portions 50 and 51 is arranged. Is discharged from the first defective product discharge unit 60, and further, the electrical defective product T2 detected by the confirmation unit 52 is discharged from the second defective product discharge unit 61, and only the non-defective product is passed through the non-defective product discharge unit 21 and the taping packaging unit 2 is dropped on a tape 22 that travels through the tape 2 and taped and wrapped to be sent to the editing apparatus B.
[0023]
As shown in FIGS. 6 and 7, the first and second defective product discharge portions 60 and 61 are provided with a defective product discharge hole 65 extending downward and an air supply hole 66 communicating with the outside air above. The defective product discharge hole 65 communicates with a vacuum generator (not shown), and when the electrically defective product T2 reaches the first and second defective product discharge parts 60 and 61, The negative pressure is released, negative pressure is applied to the defective product discharge hole 65, and it is placed on the airflow flowing from the air supply hole 66, and the defective electrical product T2 is moved downward from the notch groove 42 through the defective product discharge hole 65. The defective product removal operation of discharging is performed.
[0024]
【The invention's effect】
According to the present invention, the following effects can be obtained.
[0025]
In the present invention, when the index table becomes unable to rotate due to an obstacle in inserting the electronic component into the notch groove at the insertion guide portion, the index table stops rotating and the terminal guide wall is slid. By opening the non-defective product suction hole, the electronic parts in the insertion guide section are sucked out from the defective product suction hole, and then the terminal guide wall returns to the normal guide position when the terminal guide wall is returned. If not, slide the end guide wall once more to open the defective product suction hole, and suck and remove the electronic parts of the insertion guide part from the defective product suction hole, eliminating the need for manpower to remove the obstacle, In addition, since the work can be resumed with a short downtime, productivity and labor saving can be greatly improved.
[Brief description of the drawings]
FIG. 1 is an overall view of a taping packaging and editing apparatus provided with an electronic component inspection apparatus according to the present invention.
FIG. 2 is a perspective explanatory view showing a configuration of an electronic component supply apparatus.
FIG. 3 is an explanatory plan view showing the arrangement around the index table.
FIG. 4 is an explanatory plan view showing a return blocking state of the terminal guide wall.
FIG. 5 is a flowchart of a fault removal operation.
FIG. 6 is a partial cross-sectional side view showing a configuration of an index table and first and second discharge portions.
FIG. 7 is a partial cross-sectional plan view showing configurations of an index table and first and second discharge units.
[Explanation of symbols]
T Electronic component D Electronic component inspection device
40 Index table
42 Notch

Claims (1)

An index table formed with a large number of notch grooves that can store electronic components one by one, a conveyance groove that conveys a large number of electronic components aligned in a row, and an electronic component that is provided at the end of the conveyance groove and inserted into the notch groove comprising an insertion guide portion for inserting operation for, by the rotation of the index table, while conveying the electronic component housed in the slit, it is determined whether or not this the electronic component meets the standards Te, and defective products to be removed from the slit,
In the insertion guide portion, a conveyance groove is formed by a terminal guide wall that is slidable in a lateral direction, and a defective product suction hole provided in a bottom wall of the insertion guide portion by sliding the terminal guide wall. In the electronic component inspection apparatus that opens and sucks and removes the electronic component of the insertion guide portion ,
If the index table becomes unable to rotate due to a failure in the insertion of the electronic component into the notch groove at the insertion guide portion, the index table stops rotating and the terminal guide wall is slid. By opening the defective product suction hole, the electronic parts of the insertion guide portion are sucked and removed from the defective product suction hole,
Thereafter, when the terminal guide wall is returned to the normal guide position when the terminal guide wall is returned, the terminal guide wall is slid again to open the defective product suction hole, and the defective product suction hole is opened. The electronic component inspection apparatus according to claim 1 , wherein the electronic component in the insertion guide portion is sucked and removed .

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