JP2927585B2 - Transporting and fixing device for electronic component sorting device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a transport fixing device for transporting and fixing electronic components, which is provided in an electronic component selection device for selecting the quality of electronic components.

[0002]

2. Description of the Related Art The electrical characteristics of an electronic component 30 shown in the perspective view of FIG. 6 are measured by an electronic component sorting apparatus, and the electronic component 30 is sorted according to the measurement result. The electronic component 30 has a central main body 31 and leads extending from the main body 31 in four directions. This lead is composed of a signal lead 32 and a ground lead 33. Then, the electronic component 30 is transported from the former stage on the supply side to the location of the measuring device by a transport fixing device constituting the electronic component sorting device, and is fixed to the measuring device portion.

FIG. 7 is a side view showing a conventional transport fixing device. A measurement terminal 41 that constitutes a part of the measurement device is provided on the device housing 40. The leads 32 and 33 of the electronic component 30 are connected to the measuring terminal 41.
Are provided on the upper part and connected to a measuring device (not shown). The electronic component 30 is transported from the front stage by the transport device 45. At the tip of the moving hand 45a of the transport device 45, a suction port 45b is provided, and the main body 31 of the electronic component 30 is conveyed to the measuring terminal 41 while being sucked, and placed on the measuring terminal 41 by stopping the suction. .

After the moving hand 45a is lifted, the electronic component 30 is fixed to the measuring terminal 41 by a fixing device 47 provided on the side of the measuring terminal 41. The fixing device 47 is provided with a driving unit 47a such as a rotary actuator on the device housing 40, and rotatably supports the arm 47b. A fixed block 47c corresponding to the electronic component 30 is provided at the tip of the arm 47b.
c rotates on the electronic component 30 so that the electronic component 3
0 from the respective leads 32, 33.
To the electrical contact 41a of the measuring terminal 41. Thereafter, the electrical characteristics of the electronic component 30 are measured. After the measurement is completed, the arm 47b of the fixing device 47 is retracted, and is again carried out to the next step by the moving hand 45a of the transport device 45.

[0005]

However, in the above-mentioned conventional transport fixing device, it takes a long time to transport the electronic component 30 to the measuring terminal 41 and then to carry it out. That is, the placement of the electronic component 30 due to the lowering of the moving hand 45a, the retraction of the moving hand 45a, the fixing of the electronic component 30 by the arm 47b of the fixing device 47, the measurement, the release of the fixing of the electronic component 30 by the retreat of the arm 47b, the moving hand. Since the number of steps from the suction of the electronic component 30 due to the lowering of the 45a to the lifting of the moving hand 45a to the carry-out is large, the tact time is slow and the processing time is long. Further, since the transporting device 45 and the fixing device 47 are separately provided, the number of parts is large, the configuration is complicated, and the cost is high.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a transportation and fixing device that can be configured with a simple mechanism and that can perform transportation and fixing processing at high speed.

[0007]

In order to achieve the above-mentioned object, a transport and fixing device of an electronic component sorting apparatus according to the present invention measures an electrical characteristic of an electronic component 30 at a measuring terminal 4 and sorts the electronic component 30 according to the measurement result. A block base 11, which is provided in an electronic component sorting device for carrying out and transports the electronic component 30, which is constantly urged upward, is slidable up and down, and moves downward by pressing an upper cylinder 22; A suction duct 12 which is constantly urged downward with respect to the block base 11 and which is capable of adsorbing the main body 31 of the electronic component 30 at a nozzle 12b at a lower end, and which is constantly urged downward with respect to the block base 11; And a work holder 1 provided corresponding to the position of each lead 32, 33 of the electronic component 30.
6, the block base 11 is lowered by the operation of the cylinder 22, and the main body 31 of the electronic component 30 is fixed on the measuring terminal 4, and each of the leads 32,
33 is characterized by being elastically fixed to each line 24a, 24b of the measuring terminal 4.

[0008]

The electronic part 30 has a main body part 31 which is a suction duct 12.
It is conveyed to the measuring terminal 4 portion while being sucked by the nozzle 12b at the lower end. Then, the operation of the cylinder 22 causes the block base 11 to slide downward. As a result, the main body 31 is elastically fixed on the measuring terminal 4 at the nozzle 12b portion, and the leads 32, 33 of the electronic component 30 descending to the respective lines 24a, 24b of the measuring terminal 4 are elastically fixed by the work retainer 16. Fixed. Therefore, the leads 32 and 33 of the electronic component 30 and the lines 24a and 24b can be in good contact with each other, and the electronic component 3
0 electrical characteristics can be measured in a stable state.

[0009]

FIG. 1 is a schematic view of an electronic component sorting apparatus provided with a transport fixing apparatus according to the present invention. As shown in the drawing, the electronic components 30 are supplied one by one from the supply unit 1, and are rotated while being held by a plurality (eight in the figure) of hands 20 provided at a predetermined angle at the rotation station 2, and are rotated by the positioning unit 3. After being positioned, it is transported to the measuring terminal 4 portion. The electronic component 30 measured by the measuring terminal 4 is again held by the hand 20 and carried out to the carrying-out section 5.

FIG. 2 is a side sectional view showing an embodiment of the transport fixing device. The rotating station 2 is configured such that an upper rotor 2c is rotatable using a bottom rotating machine 2b as a driving source. A plurality of slide bearings 23 are provided on the side of the rotor 2c at predetermined angles corresponding to the hands 20. On the other hand, a disc-shaped mounting plate 21 fixed to the housing is provided above the rotating station 2. Cylinders 22 are fixedly mounted on the edge of the mounting plate 21 at the predetermined angle. In the cylinder 22, the rod 22a is capable of extending and contracting downward, and the rod 22a is in a contracted state in the state of FIG.

A hand 20 is provided on each slide bearing 23 so as to be constantly urged upward and to be movable vertically. The hand 20 is attached to a substantially L-shaped support plate 10 fixed to the movable side of the slide bearing 23. A cylindrical block base 11 is fixed to the support plate 10. The block base 11 has through holes 11a and 11b having a step inside the center, and a cylindrical suction duct 12 penetrates through the through holes 11a.

An upper end 12a of the suction duct 12 is connected to an air suction source (not shown), and a main body 31 of the electronic component 30 is sucked by a nozzle 12b at a lower end. A slide bearing 13 is provided between the suction duct 12 and the block base 11. The vicinity of the upper part of the suction duct 12 is fixed to a horizontal plate member 17. One end of the plate member 17 is supported by a pin 18 erected on the support plate 10 so as to be vertically movable, and thus the suction duct 12 is stopped from rotating. Further, a substantially central portion of the suction duct 12 has a flange portion 12c abutting on a lower edge 11c of the through hole 11a of the block base 11, and a spring 14 is provided between the slide bearing 13 and the flange portion 12c. Thus, the suction duct 12 is constantly urged downward with respect to the block base 11 and is slidable in the vertical direction. A rubber cushion 15 is provided on the lower edge 11c and directly below the flange 12c.

In the lower half of the block base 11, a plurality of work holders 16 are respectively slidable up and down at four positions around the suction duct 12. Work clamp 16
Has a predetermined length, and is inserted through grooves 11c and 11d provided in the block base 11, respectively. The upper end of the work holder 16 is formed as a flange 16a that engages with the stepped portion of the grooves 11c and 11d, and a spring 17 is interposed in the groove 11c, and the work holder 16 is constantly urged downward. It is. Here, the lower end 16 of the work presser 16 is
The length b is set so as to be located at a predetermined height above the nozzle 12b at the lower end of the suction duct 12. A total of four work holders 16 are provided corresponding to the signal leads 32 of the electronic component 30, and two work holders 16 are provided at positions corresponding to the ground leads 33.

FIG. 3 is a perspective view showing the measuring terminal 4. In the upper part, there are provided strip lines 24 each having a signal line 24a linearly extending to a central portion with a predetermined length and an earth line 24b around the signal line 24a. Each line 24a, 24b is connected to connectors 25a, 25b at both ends. Then, the signal lead 32 of the electronic component 30 is placed on the signal line 24a and the ground lead 33 is placed on the ground line 24b by the transport fixing device. The nozzle 12b at the lower end of the suction duct 12 is
The main body 31 of the electronic component 30 is sucked, and the signal line 24a is
The upper signal lead 32 has four work holders 16 in total.
Pressing from above, ground lead 3 of ground line 24b
The three parts are pressed from above by a total of two work pressers 16.

As shown in the schematic diagram of the measuring device in FIG. 4, each connector 25a, 25b is connected to a terminal 27a of a measuring device 27 via a cable 26, and the electronic component 30 on the measuring terminal 4 Electrical characteristics, such as frequency characteristics, are measured. Note that the measurement result is sent to the central control unit of the electronic component sorting device, and a sorting process based on the measurement result is performed.

Next, the operation of the transport / fixing device having the above configuration will be described. The electronic component 30 supplied from the supply unit 1 is
Rotation station 2 with suction held by hand 20
When the rotating machine 2b is driven and the rotor 2c rotates, it is transported to the upper position of the measuring terminal 4 while being positioned by the positioning unit 3. This state is shown in FIG. 2, in which the main body 31 of the electronic component 30 is suctioned to the nozzle 12 b at the lower end of the suction duct 12. Thereafter, when the cylinder 22 at the upper position of the measurement terminal 4 operates, the rod 22a slides the support plate 10 downward. Accordingly, the suction duct 12 first presses the main body 31 of the electronic component 30 against a predetermined portion in the center of the measurement terminal 4 with the elasticity of the spring 14. The rod 22a is
Even after this, the work presser 16 which projects downward by a predetermined length and is shorter than the suction duct 12 has the elasticity of the spring 17 with the signal lead 32 and the ground lead 33, as shown in the operation diagram of FIG. Signal line 24a, ground line 2
Press in direction 4b. As a result, the leads 32 and 33 of the electronic component 30 are urged to the lines 24a and 24b, so that the electrical measurement by the measuring device can be stably performed.

After the electrical characteristics of the electronic component 30 are measured, the cylinder 22 returns and the rod 22a contracts, so that the work holder 16 is first separated from the leads 32 and 33. Thereafter, the electronic component 30 is conveyed to the unloading section 5 by rotation of the rotation station 2 in a state where the main body 31 is sucked by the nozzle 12b of the suction duct 12 as shown in FIG. Note that the suction duct 12 and the work holder 16 return to the initial state shown in FIG.

[0018]

According to the transport / fixing device of the electronic component selection device of the present invention, the nozzle base for sucking the main body of the electronic component and the work holder for elastically pressing each lead are coaxial with the vertically movable block base. In addition to the simple structure, the nozzle and the work holder can be operated by a single cylinder, so that the operation time is short and the cost can be reduced.

[Brief description of the drawings]

FIG. 1 is a schematic diagram of an electronic component sorting device provided with a transport fixing device of the present invention.

FIG. 2 is a side sectional view showing an embodiment of the transport and fixing device.

FIG. 3 is a perspective view showing a measurement terminal.

FIG. 4 is a schematic diagram of a measuring device.

FIG. 5 is an operation diagram of the transport fixing device.

FIG. 6 is a perspective view showing an electronic component.

FIG. 7 is a side view showing a conventional transport fixing device.

[Explanation of symbols]

4 ... Measuring terminal, 10 ... Mounting plate, 11 ... Block base, 12 ... Suction duct, 12b ... Nozzle, 14, 17 ...
Spring, 16: Work holder, 20: Hand, 24: Strip line, 24a: Signal line, 24b: Earth line, 25: Connector, 27: Measuring instrument, 30: Electronic component,
31: body part, 32: signal lead, 33: ground lead.

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁶ , DB name) G01R 31/26 H01L 21/66

Claims (1)

(57) [Claims] 1. A transporting and fixing device for an electronic component, which is provided in an electronic component sorting device that measures an electrical characteristic of an electronic component (30) at a measuring terminal (4) and performs sorting in accordance with a measurement result. A block base (11) constantly urged upward and slidable up and down and moving downward by pressing an upper cylinder (22); a block base (11) constantly urged downward with respect to the block base and A suction duct (12) capable of adsorbing the main body (31) at a nozzle (12b) at a lower end; and a lead (32), (33) that is constantly urged downward with respect to the block base and that leads to the electronic component. A work presser (16) provided corresponding to the position, the block base is lowered by the operation of the cylinder, and the main body of the electronic component is fixed on the measuring terminal; Each line of constant terminal (24a),
(24b) A transport fixing device for an electronic component sorting device, which is elastically fixed to (24b).