JPH0714647U - Circulation device for carrier of electronic parts - Google Patents

Abstract

(57) [Summary] [Purpose] The carrier is circulated in the device to eliminate waste of the carrier. [Arrangement] The loader section 2 is provided with an electronic component housing means 14 for housing the electronic component 5 in a carrier 6, and a first carrier means 7 for carrying the carrier 6 housing the electronic component 5 to a carrier delivery position 17. . The loader unit 2 and the measuring unit 4 are connected by the first chute 8. The carrier 6 transferred from the first transport means 7 to the first chute 8 slides on the chute by its own weight and is guided to the measuring unit 4.
After the characteristic measurement, the carrier 6 is guided to the unloader unit 3 by the second chute 9. The carrier 6 in which the electronic component 5 is taken out by the electronic component take-out mechanism 19 and is emptied is carried to the carrier returning position 23 by the second carrying means 10 and returned to the loader section 2 by the third carrying means 11.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a circulating device for a carrier for carrying electronic parts, which is suitable for application to an automatic inspection device for electronic parts.

[0002]

[Prior art]

 Conventionally, when inspecting the characteristics of molded electronic components such as ICs, capacitors, and discrete devices (hereinafter collectively referred to as electronic components), the carrier guides the uninspected electronic components to the measurement unit, Is being measured. After mounting untested electronic components, a certain number of carriers are stored in a container such as a magazine (also called a stick) whose one end is open, and this magazine is installed in the loader section. At the time of measurement, the magazines are tilted by 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 after the characteristic measurement. Then, the electronic components guided to the unloader section are sorted with the carrier into each category according to their performance, and sorted and stored in empty pallets.

[0003]

[Problems to be solved by the device]

 As described above, in the conventional automatic inspection device, electronic components that have not been inspected outside the device are loaded on the carrier in advance and packed in a magazine, this magazine is installed in the loader section, and the carriers are ejected one by one from the magazine at the time of measurement. Since the electronic components mounted on the carrier were stored in the pallet as they were after the measurement of the characteristics, the carrier became disposable and 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 eliminate the waste of the carrier by recycling the carrier in the apparatus. It is to provide a circulating device for carriers for transporting electronic components.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the present invention comprises an electronic component storage means disposed in a loader portion for storing electronic components in a carrier, and a first transport means for transporting a carrier storing electronic components to a carrier delivery position. A first chute that receives the carrier from the first transport means and guides it to the electronic component processing unit; and a second chute that connects the electronic component processing unit and the unloader unit and guides the carrier to the unloader unit. An electronic component taking-out mechanism that is arranged in the loader unit to take out electronic components from the carrier, and a second conveying means that conveys an empty carrier after the electronic components are removed to a carrier returning position, a loader unit and an unloader unit And a third transporting means for receiving an empty carrier from the second transporting means and returning it to the loader section from the unloader section. It is intended.

[0006]

[Action]

 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 transporting means, guided to the electronic component processing section by the first chute, and after the processing of the electronic components, to the unloader section by the second chute. Be guided. The electronic component take-out mechanism takes out electronic components from the carrier in the unloader section. The emptied carrier is carried to the carrier returning position of the unloader section by the second carrying means, and then returned to the loader section by the third carrying means.

[0007]

【Example】

 Hereinafter, the present invention will 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 uninspected electronic components. In addition, as an electronic component, the case is shown where the 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 includes a loader section 2 and an unloader section 3 which are provided at a required interval in the height direction, and one side of the loader section 2 and the unloader section 3 which is located in the middle thereof. And the measuring unit 4 provided so as to circulate the carrier 6 used for carrying the electronic component 5 between the loader unit 2 -the measuring unit 4 -the unloader unit 3 -the loader unit 4. The transport means 7, the first and second chutes 8 and 9, and the second and third transport means 10 and 11 are connected to each other.

The loader unit 2 is provided with a pallet 12 for storing electronic components 5, an empty pallet 13, and an electronic component storing means 14 for storing the electronic components 5 in the pallet 12 and storing them in a carrier 6.

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) to cause electronic transfer. The carrier 6 in which the parts 5 are housed is configured to be transported to the carrier delivery position 17 which is a connection portion with the first chute 8. The first conveying means 7 is arranged horizontally.

The first chute 8 has an inclined portion 8a inclined by a required angle such that the end of the measuring portion 4 side is lower than the end of the loader portion 2 side 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 transferred onto the first chute 8 in 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.

The upper end of the second chute 9 is located below the vertical part 8 b of the first chute 8 and the vertical part 9 a is located in a direction opposite to the inclined part 8 a of the first chute 8. 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 whose characteristic of the electronic component 5 has been measured by the measuring unit 4 slides on the second chute 9 by its own weight and is guided to the second conveying means 10.

In the unloader section 3, an electronic component take-out mechanism 19 for taking out the electronic component 5 whose characteristics have been measured from the carrier 6 and distributing and storing it in the pallets 18a to 18d according to the measurement result, and the second carrying means. 10 are 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). By the running, the empty carrier 6 after the electronic component 5 is taken out by the electronic component taking-out mechanism 19 is conveyed to the terminal position, that is, the carrier returning position 23 which is a connecting portion with the third conveying means 11. To do.

The third conveying means 11 is provided with a vertical endless belt 25 stretched between a pair of upper and lower rollers 24a and 24b, and an outer surface of the belt 25 at a predetermined interval in the longitudinal direction. And a plurality of carrier mounting plates 26, and by intermittently traveling in the arrow direction by a motor (not shown), the empty carrier 6 received at the carrier transfer position 23 is lifted up and the loader is loaded. It is configured to lead to the starting end position of the first conveying means 16 of the section 2.

2 and 3, the carrier 6 has a substantially rectangular substrate 34 having a recess 33 into which the resin portion 31 of the electronic component 5 is fitted, and a shaft 35 on one side of the substrate 34. And a lid 36 that is openable and closable through the substrate 34, and four long holes 37 into which the leads 32 of the electronic component 5 are inserted are formed in the substrate 34 along the respective sides of the recess 33. There is. Since the lid 36 is formed in a frame shape, the lid 36 has an opening 38 in the center, which has substantially the same size as the contour shape surrounding the outer circumferences of the four long holes 37, and is closed by a spring (not shown) in the closing direction. The turning habit of is given. Further, inside the opening 38, one pressing rod 39 is arranged for pressing 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 an opening / closing mechanism that opens and closes a suction pad that holds the electronic components 5 in the pallet 12 by suction and fits into the recess 33 of the carrier 6 and a lid 36 of the carrier 6 (either Is also well known and is not shown). The opening / closing mechanism opens the lid 36 of the empty carrier 6 returned to the loader unit 2 by the third transfer means 11, and closes the lid 36 again when the electronic component 5 is stored by the suction pad. Is configured.

The electronic component take-out mechanism 19 sucks and holds the electronic component 5 in the carrier 6 guided by the second chute 9 and stores it in any one of the take-out pallets 18a to 18d. And means for opening and closing the lid 36 of the carrier 6 guided by the second chute 9 and closing the lid 36 again when the electronic component 5 is taken out by the suction pad (neither is shown). It is configured.

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 a lid body 36 from the front side of the carrier 6. And a pressing member 41 that is inserted into the opening 38 to press the upper surface of the resin 31, and the pressing member 41 is provided with a pressing element 42 made of an insulating material that presses the tip end of the lead 32.

Next, the transport operation of the carrier 6 in the automatic inspection device 1 having the above configuration will be described. In the carrier 6 placed on the first transfer means 7 in the loader unit 2, when the lid 36 is opened by the opening / closing mechanism of the electronic component storage mechanism 14, the uninspected electronic component 5 is stored by the suction pad, and the carrier 6 is loaded again. After the lid 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 shoot 8. The carrier 6 transferred onto the first chute 8 slides on the chute 8 by its own weight and is guided to the measuring unit 4 and stopped. 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 moves forward and is inserted into the long hole 37. By contacting 32, the characteristic of the electronic component 5 is measured. After the characteristic measurement, when the pressing member 41 and the tracing stylus 40 move backward to retract from the inside of the carrier 6 and the locked state of the carrier 6 is released, the carrier 6 falls onto the second chute 9 by its own weight. It slides and is guided 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 take-out mechanism 19, the electronic component 5 inside is taken out by the suction pad. Then, the lid is closed again by the opening / closing mechanism, and the second transporting means 10 is activated to transport the carrier to the carrier returning position 23. Then, the carrier 6 transported to the carrier returning position 23 is returned to the loader section 2 again by the third transporting 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 long 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. The carrier 50 includes a substrate 51 each formed in a letter shape in plan view, and a lid 52. The resin portion 31 of the electronic component 5 is provided on the crosspiece portion 53 of the substrate 51 from the side of the substrate 51. It is placed, and the crosspiece 54 of the lid 52 presses 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 sandwiched therebetween. Screws 56 are provided respectively at a pair of corners of the lid 52, and the tips of the screws 56 are screwed into the screw holes 57 provided in the substrate 51, so that the lid 52 is secured. Holds vertically movable. A compression coil spring 58 that biases the lid 52 upward is attached to the screw 56.

Since the present embodiment is applied to the automatic inspection device for measuring the characteristics of electronic parts, the measuring part 4 is shown as the electronic part processing part, but the present invention is not limited to this. The invention can also be applied to a marking device or the like, 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 from the endless belt, and the carrier 6 may be moved along the guide by this pin.

[0022]

[Effect of device]

 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 economical and economical.

[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 D 7630-4M H05K 13/02 D

Claims (1)

[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.