JPH0715929B2 - Electronic component carrier - Google Patents

Description

Description: TECHNICAL FIELD The present invention relates to an electronic component carrying device suitable for use in inspection, sorting, marking devices, etc. of electronic components such as ICs, capacitors, and discrete devices. is there.

[Prior Art] Conventionally, molded electronic parts such as ICs, capacitors, and discrete devices (collectively, electronic parts)
In the apparatus for inspecting, sorting, marking, etc., a predetermined number of uninspected electronic components are stored in a storage container such as a stick or a magazine whose one end is open. The sticks containing the devices are stacked and waiting in the stocker, and at the time of inspection, the sticks are sequentially moved from the bottommost one to the device supply position and tilted at a predetermined angle with the opening end side facing downward. Then,
The electronic components in the stick are sequentially discharged and supplied onto the chute by their own weight, and slide on the chute to be guided to the measuring unit.

FIG. 5 shows a conventional example of such a device for inspecting electronic parts, 1 is a stick for aligning and storing a large number of electronic parts 2, and a large number of sticks 1 are installed in a loading section 4.
A stocker (device storage unit) 5 for storing the device 2 is a chute for conveying the device 2. The stick 1 in the stocker 3 is rotated counterclockwise so that the opening end faces downward and is set and held at the same inclination angle as the chute 5, so that the electronic component 2 is ejected onto the chute 5. Electronic component 2
Are discharged onto the chute 5 with their leads facing downward, are slid by their own weight, are sequentially guided one by one to the substantially vertical measuring unit 6, and are characteristic-measured by the tester 7. A reversing device 8 which is rotatable in the vertical direction is provided above the measuring section 6, whereby the front and rear of the electronic component 2 are reversed and the leads are directed to the tester 7 side, thereby facilitating the measurement by the tester 7. In addition, the vertical direction during unloading is the same as that during loading.

The electronic components 2 whose characteristics have been measured by the tester 7 are classified into respective categories according to their performances, passed through the sorting chute 9 and sequentially stored in the empty stick 11 installed in the unloading section 10, and transported to the next process. .

[Problems to be Solved by the Invention] However, in such a conventional electronic component inspection apparatus, since the up-down direction of the electronic component 2 at the time of unloading is the same as that at the time of loading, the electronic component 2 is reversed by the reversing device 8. Since it is necessary to invert back and forth one by one, it takes time, it is not possible to speed up the transportation and measurement speed of the electronic component 2, and device jamming, abrasion, etc. reduce the operating rate and reliability of the device. There was a problem called.

Therefore, the present invention has been made in view of the above-described conventional problems, and an object of the present invention is to relatively quickly transport an electronic component without having to reverse the electronic component in the middle of transportation with a relatively simple configuration. An object of the present invention is to provide an electronic component conveying device that can perform measurement and can prevent jamming of electronic components, stoppage due to friction, etc., and improve the availability and reliability of the device.

[Means for Solving the Problems] In order to achieve the above object, the present invention provides a device housing portion for housing a large number of electronic components, and one of the device housing portions provided on the rotary shaft in response to intermittent rotation of the rotary shaft. When the device is moved to the device receiving position, the other is moved to the device discharging position and the positions thereof are alternately exchanged. When the device is moved to the device receiving position, a predetermined number of electronic components are supplied from the device storing portion and the device is discharged. Two cross chutes for discharging the electronic components received from the device storage portion when moved to a position, and a thin chute for receiving the electronic components discharged from the cross chutes in the measuring portion are provided. The chute has a point that one end of the chute forms a device inlet / outlet and intersects with the rotation axis on both sides of the axis and at a substantially same angle as the axis in a vertical plane. Arranged symmetrically, the opening end side is inclined upward when moved to the device receiving position, and the opening end side is inclined downward when moved to the device discharging position Is.

[Operation] In the present invention, the rotating shaft is rotated two times by one intermittent rotation.
Invert the two cross chutes and swap the positional relationship, one from the device receiving position to the device discharging position,
The other is moved from the device ejection position to the device reception position. Return to the original state by the next intermittent rotation. The cross chute, which has been moved to the device receiving position, is inclined with its opening end facing upward, and receives the supply of electronic components from the device supply unit. The cross chute that has been moved to the device ejection position is turned upside down and ejects the internal electronic components onto the chute.

[Examples] Hereinafter, the present invention will be described in detail based on Examples shown in the drawings.

FIG. 1 is a front view of a main part showing an embodiment of an electronic component carrying device according to the present invention, FIG. 2 is a view taken in the direction of arrow A in FIG. 1, and FIG. 3 is a view taken in the direction of arrow B in FIG. FIG. 4 is a front view of the device. The same components as those shown in FIG. 5 are designated by the same reference numerals. In these figures, 15 is an inspection apparatus main body, 16 is a thermostatic chamber whose inside is kept at a predetermined temperature (eg, + 150 ° C to -50 ° C), 17 is an operation box, 18 is an empty stick 11 storage container, 19 Is a supply chute arranged at the device supply position 20, and 21 and 22 are cross chutes arranged corresponding to the supply chute 19.

The constant temperature chamber 16 is provided to perform a low temperature test and a high temperature test, keeps the internal air temperature constant, and cools the device 2 sent from the cross chutes 21, 22 at room temperature to a predetermined temperature. Or heating. The electronic component 2 is guided through a chute 5 to a multi-chute (not shown) in the constant temperature bath 16 and heated or cooled to a predetermined temperature. In the case of an electronic component having a small device size and a small heat capacity, it can be cooled or heated in a short time, and thus it is not necessary to use a multi-shoot. In any case, the electronic components 2 that have reached the predetermined temperature are separated one by one and sent to the measurement unit 6 and the characteristics are measured by the tester 7, and then stored based on the measurement results by the classification shuttle (not shown). It is similar to the conventional device that it is stored in the stick 11 of the designated classification category in the container 18.

The two cross chutes 21 and 22 have the same shape and the same length, and the ends on the side of the supply chute 19 are opened to form device inlets / outlets 24 and 25, respectively. Also,
The cross chutes 21 and 22 are provided on both sides of the horizontal rotation shaft 26 disposed at the device supply position 20 with the axis L interposed therebetween.
Moreover, they are arranged point-symmetrically so as to intersect with the axis L at substantially the same angle in the vertical plane. Therefore, when these cross chutes 21 and 22 rotate about the axis L, the device inlet / outlet 24 and 25 draw the same motion locus. Further, the upper end opening of the chute 5 has the axis L
It is located at a position symmetrical with the lower end opening of the supply chute 19 with respect to. However, the chute 5 and the supply chute 19 are offset in the front-rear direction with the same interval as the cross chutes 21 and 22 with the axis L interposed therebetween.

The rotary shaft 26 is intermittently rotated by 180 degrees alternately in the clockwise and counterclockwise directions by the rotary actuator 27, whereby the cross shoots 21, 22 are rotated.
Is turned upside down, and the positional relationship is alternately changed so that the device is moved to the device receiving position 28 and the device discharging position 29.

1, 2 and 4 show one cross shoot 21
To the device receiving position 28 and the other cross chute 22 to the device discharging position 29. At this time, one cross chute 21 is tilted to the right at the same tilt angle with the center aligned with the supply chute 19 so that the device inlet / outlet 24 closely faces the lower end opening of the supply chute 19 and sticks. The electronic component 2 ejected from 1 is accommodated through the supply chute 19 with the lead down. The other cross chute 22 is turned upside down, is tilted downward at the same angle with the center of the chute 5 aligned, and the device inlet / outlet 25 closely faces the opening on the start end side of the chute 21 so that the inside of The stored electronic component 2 is discharged onto the chute 5. Further, a sensor long in the longitudinal direction of the cross chute is located near the end of the device entrance / exit 24, 25 on the lower surface of each cross chute 21, 22, that is, the surface which is the lower side when set and held at the device receiving position 28. Slits 33, 34 are formed respectively. And a cross shoot 2 with such a configuration
The reference numerals 1 and 22 are attached to a holder 35 provided on the rotary shaft 26 through L-shaped attachment fittings 36 and 37, respectively.

In addition, the device entrance and exit 24 of the cross chute 21, 22,
The opposite end from 25 is naturally closed.

A lever 41 is provided at an end of the rotating shaft 26 opposite to the cross shoots 21 and 22, and a shock of rotation of the rotary actuator 27 is absorbed on a base 42 corresponding to the lever 41. Shock absorber consisting of a pair of front and rear
43a, 43b and a pair of stoppers 44a, 44b for restricting the turning angle of the turning shaft 26 are provided. Further, the rotary actuator 27 is installed on the base 42.

Below the loading section 4 (above the device supply position 20), an individual feeding device 45 is arranged, and the individual feeding device 45 drops the electronic component 2 falling from the stick 1 into the feeding chute 19 It is configured to feed the individual pieces into the cross chute 21 waiting at the device receiving position 28. At this time, the optical sensor 47 arranged at the device supply position 20 detects the electronic components 2 sent to the cross chute 21, and when a predetermined number of electronic components 2 are stored, the light is blocked, so that the detection is performed. The signal is sent to the control unit. Then, when the other sensors 48a and 48b detect that there is no electronic component 2 between the connecting portion between the cross chute 21 and the supply chute 19, the rotary actuator 27 is driven by the signal from the control unit to move the rotary shaft 26. Rotate it 180 degrees and reverse the position of the cross chutes 21 and 22 to get the device receiving position.
The cross chute 21 at 28 is moved to the device discharging position 29, and the cross chute 22 at the device discharging position 29 is moved to the device receiving position 28. The rotation angle of the rotation shaft 26 is determined by the number of cuts provided in the sensor disk 50.
It is controlled by counting by.

Stoppers 55 and 56 are provided at the open ends of the cross chutes 21 and 22, respectively, for preventing the electronic component 2 taken inside from falling during rotation of the cross chutes, and these stoppers 55 are also provided. , 56, a pair of cylinders 57, 58 for turning ON / OFF the stoppers 55, 56 at the device supply position 20 are arranged above and below the cross chute 21, 22. The stoppers 55 and 56 are normally biased by a spring (not shown) to project into the cross chutes 21 and 22 to close the device inlet / outlets 24 and 25, respectively, and to store and discharge the electronic component 2, the cylinder The device inlet / outlet 24, 25 is opened by being operated by 57, 58, respectively. That is, the case where the electronic component 2 is housed in the cross chute 21 shown in FIG. 1 and the electronic component 2 in the cross chute 22 is discharged will now be described. The upper and lower cylinders 57 and 58 operate simultaneously and the stopper 55. , 56 are pressed against the springs respectively to cause the cross shoots 21, 22 to exit. Therefore, the device inlets / outlets 24, 25 of the chutes 21, 22 are opened, and the electronic component 2 in the stick 1 is dropped and stored in the cross chute 21 through the supply chute 19 while the electronic components in the cross chute 22 are stored. 2 is discharged onto the chute 5 by its own weight and guided to the constant temperature bath 16. When the storage of the electronic component 2 in the cross chute 21 and the discharge of the electronic component 2 from the cross chute 22 are completed, the cylinders 57 and 58 are turned off to release the pressing of the stoppers 55 and 56.
56 is a cross-shoot by returning by the force of the spring
Enter inside 21, 22 and close the device entrance / exit 24, 25. After that, cross-shooting is performed by half rotation of the rotating shaft 26.
21 and 22 are reversed, and the same operation as above is repeated.

Here, the important thing is that the electronic parts 2 ejected to the chute 5 by reversing the cross chutes 21 and 22 are inverted upside down, that is, ejected with the leads facing upward, While keeping this state (see FIG. 4), the lead passes toward the measuring unit 7 by passing through the constant temperature chamber 16, and after passing through the constant temperature chamber, the direction is changed downward to move to the vertical measuring unit 6, and a predetermined characteristic measurement is performed. Is done. Therefore, the measuring unit 6
It is not necessary to provide a reversing device for the electronic components 2 in front of the electronic components 2 to reverse the electronic components 2 one by one, and it is possible to continuously convey the electronic components 2 and to shorten the conveyance and measurement time. ing.

In addition, although the above-mentioned embodiment explained the case where the thermostat 16 was installed between the measurement part 6 and the device supply position 20, the present invention is not limited to this, and the thermostat 16 is not provided. Of course, it can be applied as it is.

[Effects of the Invention] As described above, the electronic component carrying apparatus according to the present invention is provided with two cross chutes at a device supply position, and these are intermittently rotated by a predetermined angle to be turned upside down. Since it is configured to be alternately moved to the receiving position and the device discharging position, the electronic components discharged from the cross chute can be vertically inverted and discharged onto the chute. Therefore, the reversing device, which was required in the past, is no longer necessary, enabling continuous transfer of electronic parts,
It is possible to reduce transportation and measurement time, prevent device jamming, stoppage, etc., and improve the operating rate and reliability of the apparatus.

[Brief description of drawings]

FIG. 1 is a front view of a main part showing an embodiment of an electronic component carrying device according to the present invention, FIG. 2 is a view taken in the direction of arrow A in FIG. 1, and FIG. 3 is a view taken in the direction of arrow B in FIG. FIG. 4 is a front view of the apparatus, and FIG. 5 is a schematic diagram showing a conventional inspection apparatus for electronic components. 1 ... Stick, 2 ... Device, 3 ... Stocker (device storage section), 4 ... Loading section, 5 ... Chute, 6 ... Measuring section, 7 ... Tester, 8 ... Reversing device, 10 ... … Unloading part, 20 …… Device supply position, 21,22 …… Cross chute, 24,25 …… Device inlet / outlet, 26 …… Rotating axis, 28 …… Device receiving position, 29
...... Device ejection position.

Claims (1)

[Claims] 1. A device accommodating portion for accommodating a large number of electronic components, and one of which is provided on a rotary shaft and is moved to a device receiving position due to intermittent rotation of the rotary shaft, and the other is at a device ejecting position. When moved to the device receiving position, the electronic parts received from the device storing part are supplied with a predetermined number of electronic components when the device receiving position is moved to the device receiving position. It is provided with two cross chutes for discharging components and a chute for receiving the electronic components discharged from the cross chutes and guiding them to the measuring section. The two cross chutes have an opening at one end forming a device inlet / outlet. Are arranged point-symmetrically on both sides of the axis of rotation about the axis and intersect at substantially the same angle as the axis in a vertical plane, and when moved to the device receiving position, The open end side is inclined toward the top, conveying apparatus of electronic components, characterized in that it is inclined toward the bottom of the opening end side is moved to the device discharge position.