JP2511570Y2 - Circulation device for carrier of electronic parts - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a circulating device for a carrier for carrying electronic parts, which is suitable for use in an automatic inspection device for electronic parts.

[0002]

2. Description of the Related Art Conventionally, when inspecting the characteristics of mold type electronic parts such as ICs, capacitors and discrete devices (hereinafter collectively referred to as electronic parts), an uninspected electronic part is guided to a measuring section by a carrier. The characteristics such as resistance are measured. After mounting untested electronic components, a predetermined number of carriers are stored in a container such as a magazine (also called a stick) having one end opened, and the magazine is installed in the loader section. At the time of measurement, the magazines are tilted at a predetermined angle and the internal carriers are discharged one by one to the chute by their own weight and guided to the measuring section. After the characteristic measurement, the carriers are also guided to the unloader section by their own weight by the chute. Then, the electronic components guided to the unloader unit are classified into each category together with the carriers according to their performance, and sorted and stored in an empty pallet.

[0003]

As described above, in the conventional automatic inspection device, the electronic parts which have not been inspected outside the device are previously mounted on the carrier and packed in the magazine, and this magazine is installed in the loader section, and the magazine is set at the time of measurement. From career 1
Since the electronic components mounted on the carrier were stored in the pallet as they were after the characteristics were measured, the carriers were thrown away one by one, which was uneconomical.

Therefore, the present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to make an electronic device which eliminates the waste of the carrier by recycling the carrier in the apparatus. An object of the present invention is to provide a circulating device for a carrier for parts transportation.

[0005]

In order to achieve the above object, the present invention provides an electronic component storing means for storing electronic components in a loader portion and a carrier storing electronic components in a carrier transfer position. A first transporting means for transporting, a first chute for receiving the carrier from the first transporting means and guiding it to the electronic component processing section, and connecting the electronic component processing section and the unloader section to the unloader section. A second chute for guiding, an electronic part take-out mechanism arranged in the unloader section for taking out electronic parts from the carrier, and a second carrying means for carrying the carrier emptied by removing the electronic parts to the carrier returning position, An empty carrier connecting the loader section and the unloader section is received from the second transfer means and returned from the unloader section to the loader section. Those provided 3 and conveying means.

[0006]

In the present invention, the electronic component storage mechanism stores the uninspected electronic components in the empty carrier in the loader section. The carrier in which the electronic components are stored is transported to the carrier delivery position by the first transport means, guided to the electronic component processing unit by the first chute, and guided to the unloader unit by the second chute after the processing of the electronic components. Get burned.
The electronic component taking-out mechanism takes out the electronic component from the carrier in the unloader section. The emptied carrier is transported to the carrier returning position of the unloader section by the second transport means, and then returned to the loader section by the third transport means.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the embodiments shown in the drawings. 1 is a schematic perspective view showing a circulating device for a carrier for carrying electronic parts according to the present invention, FIG. 2 is a perspective view of a carrier and electronic parts, and FIG. 3 is a sectional view of the carrier.
In these figures, the present embodiment shows an example applied to an automatic inspection device for inspecting the characteristics of an uninspected electronic component. Also,
As the electronic component, a case is shown in which an IC or the like is molded by resin and applied to a four-way mold type electronic component in which a large number of leads are exposed to the outside from each side of the resin.

The automatic inspection apparatus 1 is located on one side of the loader section 2 and the unloader section 3 and the loader section 2 and the unloader section 3 which are provided at a required interval in the height direction, and is located between them. And a measuring unit 4 provided in such a manner that the carrier 6 used to convey the electronic component 5 is circulated between the loader unit 2-the measuring unit 4-the unloader unit 3-the loader unit 4. 7, first and second chutes 8 and 9, and second and third transfer means 10 and 11, respectively.

The loader section 2 has a pallet 12 for storing electronic components 5, an empty pallet 13 and a pallet 12
An electronic component storage means 14 for taking out the electronic component 5 therein and storing it in the carrier 6 is provided.

The first conveying means 7 is provided with an endless belt 16 stretched between a pair of front and rear rollers 15a and 15b, and is intermittently run in the direction of the arrow by a motor (not shown) so that the electronic component 5 is moved. Is configured to be transported to the carrier delivery position 17 which is a connection portion with the first chute 8. And this first
The transporting means 7 is arranged horizontally.

The first chute 8 has an inclined portion 8a inclined by a required angle such that the end on the measuring portion 4 side is lower than the end on the side of the loader portion 2, and a vertical portion connecting the lower end of the inclined portion 8a and the measuring portion 4. 8b and. Therefore, when the carrier 6 is moved onto the first chute 8 at the carrier transfer position 17, the carrier 6 slides on the chute 8 by its own weight and is guided to the measuring unit 4.

In the second chute 9, the upper end of the second chute 9 is located below the vertical part 8b of the first chute 8 in the vicinity of the vertical part 9a and the inclined part 8a of the first chute 8 is in the opposite direction. It is inclined and one end is composed of a lower end of the vertical portion 9a and an inclined portion 9b connecting the unloader portion 3. Therefore, the carrier 6 for which the characteristic measurement of the electronic component 5 is completed in the measuring unit 4 slides on the second chute 9 by its own weight and is guided to the second transporting means 10.

In the unloader section 3, the electronic parts take-out mechanism 19 for taking out the electronic parts 5 whose characteristics have been measured from the carrier 6 and distributing and storing them in the pallets 18a to 18d according to the measurement result, and the second carrying means 10 are provided. Is provided. The second conveying means 10 includes a horizontal endless belt 22 stretched between a pair of front and rear rollers 21a and 21b, similarly to the first conveying means 7, and is intermittently moved in the arrow direction by a motor (not shown). The electronic parts 5
Of the empty carrier 6 after being taken out by the electronic parts taking-out mechanism 19, that is, the third carrying means 11
The sheet is conveyed to the carrier returning position 23 which is a connecting portion with.

The third conveying means 11 is a vertical endless belt 2 stretched between a pair of upper and lower rollers 24a and 24b.
5 and a plurality of carrier mounting plates 26 provided on the outer surface of the belt 25 at predetermined intervals in the longitudinal direction, and are intermittently run in the arrow direction by a motor (not shown). The empty carrier 6 received at the carrier transfer position 23 is configured to be lifted upward and guided to the starting end position of the first transfer means 16 of the loader unit 2.

In FIGS. 2 and 3, the carrier 6 is used.
Is a substantially rectangular substrate 34 having a concave portion 33 into which the resin portion 31 of the electronic component 5 is fitted in the central portion of the upper surface, and a lid body 36 provided on one side of the substrate 34 so as to be openable and closable via a shaft 35. In the substrate 34, four elongated holes 37 into which the leads 32 of the electronic component 5 are inserted are formed so as to penetrate along each side of the recess 33. Since the lid 36 is formed in a frame shape, the lid 36 has an opening portion 38 having a size substantially the same as the contour shape surrounding the outer periphery of the four elongated holes 37 in the center, and is closed by a spring (not shown) in the closing direction. The turning habit of is given. Further, inside the opening 38, a single pressing rod 39 is arranged to press the upper surface of the resin portion 31 when the lid 36 is closed. Both ends of the pressing rod 39 are inserted and retained in insertion holes (not shown) provided in a pair of corner portions of the opening 38 that face each other. The lid 36 is configured to be locked at the closed position by an appropriate locking means (not shown).

The electronic component storage means 14 is a pallet 1.
2 is equipped with a suction pad that holds the electronic component 5 in 2 by suction and that fits in the recess 33 of the carrier 6, and an opening / closing mechanism that opens and closes the lid 36 of the carrier 6 (both of which are well known and therefore not shown). ing. The opening / closing mechanism is configured to open the lid 36 of the empty carrier 6 returned to the loader unit 2 by the third transfer means 11, and to close the lid 36 again when the electronic component 5 is stored by the suction pad. Has been done.

The electronic component take-out mechanism 19 serves as a suction means for sucking and holding the electronic component 5 in the carrier 6 guided by the second chute 9 and accommodating it in any one of the take-out pallets 18a to 18d. , Second shoot 9
The lid 36 of the carrier 6 guided by is opened, and when the electronic component 5 is taken out by the suction pad, the lid 36 is again opened.
And an opening / closing mechanism (none of which is shown) that closes the.

In FIG. 3, a plurality of measuring elements 40 are inserted into the elongated holes 37 from the back side of the carrier 6 and come into contact with the leads 32 in the measuring unit 4, and openings of the lid 36 from the surface side of the carrier 6. And a pressing member 41 that is inserted into the portion 38 and presses the upper surface of the resin 31, and the pressing member 41 is made of an insulating material that presses the tip portion of the lead 32.
2 are provided.

Next, the transport operation of the carrier 6 in the automatic inspection device 1 having the above-mentioned structure will be described. In the carrier 6 placed on the first transfer means 7 in the loader unit 2, when the lid body 36 is opened by the opening / closing mechanism of the electronic component storage mechanism 14, the uninspected electronic components 5 are stored by the suction pad, and then again. After the lid body 36 is closed, it is conveyed to the carrier transfer position 17 by the activation of the first transfer means 7 and transferred to the first chute 8. The carrier 6 transferred onto the first chute 8 slides on the chute 8 by its own weight, is guided to the measuring unit 4, and stops. When the carrier 6 is stopped, the pressing member 41 moves forward and is inserted into the opening 38 of the carrier 6 to press the upper surface of the resin 31, and at the same time, the tracing stylus 40 also moves forward and is inserted into the long hole 37, and the lead 32 is attached to the lead 32. By making contact, the characteristics of the electronic component 5 are measured. After the characteristics are measured, when the pressing member 41 and the tracing stylus 40 move backward to withdraw from the carrier 6 and the locked state of the carrier 6 is released, the carrier 6 falls on the second chute 9 by its own weight and slides. , To the unloader unit 3. The carrier 6 guided to the unloader unit 3 moves to the second transfer means 10, and when the lid body 36 is opened by the opening / closing mechanism of the electronic component taking-out mechanism 19, the electronic components 5 in the inside are opened.
After being taken out by the suction pad, the lid is closed again by the opening / closing mechanism, and the second carrying means 10 is activated to carry the carrier to the carrier returning position 23. Then, the carrier 6 transported to the carrier returning position 23 is returned to the loader unit 2 again by the third transport means 11 and is used for transporting the next electronic component. Therefore, the carrier 6 can be used any number of times. Further, since the carrier 6 holds only the resin portion 31 of the electronic component 5 and the lead 32 is free by the elongated hole 32, the lead 37 can be prevented from bending.

FIG. 4 is an exploded perspective view showing another embodiment of the carrier. This embodiment shows a carrier used for a two-way mold type electronic component. Carrier 50
Is a substrate 51 formed in a sun-shaped plan view,
The electronic component 5 is provided on the crosspiece portion 53 of the substrate 51 including the lid 52.
The resin portion 31 is placed from the side of the substrate 51, and the lid 52
The crosspiece 54 is configured to press the upper surface of the resin portion 31. Further, lead insertion grooves 55 are formed on both sides of the substrate 51 facing each other in the direction of the crosspiece 53, with the crosspiece 53 interposed therebetween. A screw 56 is attached to one set of corners of the lid 52.
Each of the screws 56 has a tip end screwed into a screw hole 57 provided in the substrate 51, thereby holding the lid body 52 so as to be vertically movable. A compression coil spring 58 for urging the lid 52 upward is attached to the screw 56.

Since the present embodiment is applied to an automatic inspection device for measuring the characteristics of electronic parts, the measuring part 4 is shown as an electronic part processing part, but the present invention is not limited to this, and the marking device. It is also possible to apply to the above, and in that case, the marking portion of course forms the processing portion. Further, although the endless belt is used as the first to third conveying means 7, 10 and 11, the present invention is not limited to this, and chains, pins or the like may be used. When using a pin, the pin may be provided so as to project on the endless belt, and the carrier 6 may be moved along the guide by the pin.

[0022]

As described above, the carrier circulating device for electronic parts according to the present invention is configured to circulate and use the carrier for carrying electronic parts inside the device, so that the carrier is not wasted and the carrier is economical. Target.

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing a circulating device for a carrier for carrying electronic parts according to the present invention.

FIG. 2 is a perspective view of a carrier and electronic components.

FIG. 3 is a sectional view of the carrier.

FIG. 4 is an exploded perspective view showing another embodiment of the carrier.

[Explanation of symbols]

 2 loader part 3 unloader part 4 measuring part 5 electronic part 6 carrier 7 first transfer means 8 first chute 9 second chute 10 second transfer means 11 third transfer means 14 electronic part storage means 17 carrier Transfer position 19 Electronic component take-out mechanism 23 Carrier return position

Continuation of front page (51) Int.Cl. ⁶ Identification code Office reference number FI Technical display location H01L 21/66 H01L 21/66 D H05K 13/02 H05K 13/02 D

Claims (1)

(57) [Scope of utility model registration request] 1. An electronic component storage means disposed in a loader section for storing electronic components in a carrier, a first transport means for transporting a carrier storing the electronic components to a carrier delivery position, and the first transport means. A first chute for receiving a carrier from the electronic component processing unit and guiding the carrier to the electronic component processing unit; and a second chute for connecting the electronic component processing unit and the unloader unit to guide the carrier to the unloader unit; An electronic component take-out mechanism for taking out an electronic component from the device and a second carrying means for carrying an empty carrier after the electronic part is removed to a carrier returning position and an empty carrier by connecting a loader section and an unloader section And a third transporting means for receiving from the second transporting means and returning from the unloader section to the loader section. Circulation device for carrier for sending.