JP2616218B2 - Adjustment inspection device with transfer device - Google Patents

Description

The present invention relates to a method for transferring a work such as an electronic device by a transfer device.
The present invention relates to an adjustment / inspection apparatus for performing a predetermined adjustment / inspection with an adjustment facility and / or an inspection facility (hereinafter, referred to as an adjustment / inspection facility).

2. Description of the Related Art FIG. 6 shows a conventional inspection apparatus in which an electronic device such as an audio device, for which an assembling operation has been completed, is transported to an inspection facility by a transport device, and the electronic equipment is inspected by the inspection facility. Sixth
In the figure, reference numerals 1, 2, and 3 denote inspection items of the assembled electronic device 4 into first, second, and third inspection item groups, and inspect the inspection item groups. Inspection facilities No. 3 are arranged along a line indicated by arrow L. 1a, 2a, 3a are transporting devices such as belt conveyors provided in each of the inspection facilities 1, 2, and 3; 5 is a coupling transporting device that transports the electronic device 4 to the first inspection facility 1 from the previous process; Is a connecting transfer device for transferring the electronic device 4 from the first inspection equipment 1 to the second inspection equipment 2; 7 is a connecting transfer device for transferring the electronic equipment 4 from the second inspection equipment 2 to the third inspection equipment 3; Is a transfer device for transferring electronic equipment from the third inspection facility 3 to the next process.

In the above conventional example, the inspection items of the electronic device 4 are first, second,
Divided into a third inspection item group, the first inspection device 1 executes the first inspection item, the second inspection device 2 executes the second inspection item, and the third inspection device 3 executes the third inspection item. The inspection items of the group are executed, and all the inspection items are executed by sequentially transferring the electronic device 4 to the first, second, and third inspection equipments 1, 2, and 3.

However, in the above conventional example, however, one electronic device 4
Are transferred to all the inspection facilities 1, 2, and 3 sequentially, so that all the inspection items are executed.
When one of 1, 2, and 3 fails, there is a problem that the normal inspection equipment must be stopped even though the other inspection equipment is normal.

The present invention is to solve the above conventional problems,
It is an object of the present invention to provide an adjustment / inspection apparatus having a transfer device capable of continuing adjustment and inspection with the remaining other equipment even if one of the plurality of equipments fails.

Means for Solving the Problems In order to achieve the above object, the present invention provides a plurality of adjustment inspection equipment for performing the same adjustment inspection on the supplied workpieces to determine the acceptability of the workpieces, and transporting the workpieces from a previous process. A first transport unit that selectively supplies a work to any of the plurality of adjustment inspection facilities, a second transport unit that transports a work determined to be good by the adjustment inspection facility to a next process, A third transporting means for transporting a workpiece determined to be defective by the adjustment inspection equipment to a defective product stocker;
Detecting means for detecting the presence or absence of a work in the second and third transport means; and control means for controlling the adjustment / inspection equipment and the first, second and third transport means based on the detection result by the detecting means. It is characterized by having.

Action The present invention is configured as described above, and transfers the transferred work to a facility that is not currently performing work among a plurality of facilities.
The non-defective work which has been supplied by the above-mentioned equipment is transferred to the next process via the second transfer means. The work is conveyed to the defective stocker via the conveyance means, and even if one of the plurality of facilities breaks down, the work on the work can be continued at another facility.

Embodiment FIG. 1 shows an outline of an adjustment inspection apparatus having a transport device according to an embodiment of the present invention. In FIG. 1, 1
Reference numerals 0, 11, and 12 denote first, second, and third adjustment / inspection facilities for adjusting and inspecting the audio equipment (hereinafter, referred to as equipment) transferred from the previous process. 12 is installed in parallel with the transport line L. 13, 14, 15 are transfer devices installed in each adjustment inspection equipment 10, 11, 12, and each of these transfer devices 13, 14, 15 is provided with a plurality of belt conveyors A, B arranged along the transfer direction. , C. The operation of each of the conveyors A, B, and C is controlled by a control circuit provided in each of the adjustment inspection apparatuses 10, 11, and 12. ,... Are optical sensors for detecting whether or not there is a device 4 on the belt conveyors A and B, and detection signals from the respective optical sensors,. Each of the adjustment and inspection equipments 10, 11, and 12 starts predetermined adjustment and inspection after detecting that the device 4 has been transferred to the belt conveyor B by the optical sensor, and when all adjustments and inspections are completed, An end signal is output from each of the adjustment and inspection equipments 10, 11, and 12 to the centralized control device 16. When the optical sensor detects that the device 4 is not present on the belt conveyor B, a transport request signal for transferring the device 4 from the belt conveyor A is output. Reference numeral 17 denotes a transport device in the preceding process, and reference numerals 18 and 19 denote bypass transport devices installed in parallel with the adjustment and inspection facilities 10 and 11. These bypass transport devices 18 and 19 are arranged parallel to the transport line L. Reference numeral 20 denotes a finished product transfer device arranged in parallel with the transfer device 14 of the adjustment inspection equipment 11 for transferring finished products, and reference numeral 21 denotes a finish product transfer device arranged in parallel with the transfer device 15 of the adjustment inspection equipment 12. This is a product transport device, and the finished product transport devices 20 and 21 are arranged parallel to the transport line L. Reference numerals 27 and 28 denote defective product transport devices for transporting the equipment 4 determined to be defective by the adjustment inspection devices 10 and 11,
The defective product transport devices 27 and 28 are arranged parallel to the transport line L. Each of the bypass conveyance devices 18 and 19, the finished product conveyance devices 20 and 21, and the defective product conveyance devices 27 and 28 is provided with an optical sensor for detecting the presence or absence of the device 4. ,,,,,
Is transmitted to the central control device 16. The start and stop of the operations of the bypass conveyance devices 18 and 19, the finished product conveyance devices 20 and 21, and the defective product conveyance devices 27 and 28 are controlled by control signals from the central control device 16. Reference numerals 22, 23, 24, and 25 denote movable transfer devices movable in a direction orthogonal to the transfer line L. Each of the movable transfer devices 22, 23, 24, and 25 includes an optical sensor that detects the presence or absence of the device 4. , Are provided.
Detecting means from the optical sensors are transmitted to the central control device 16. The start and stop of the operation of the movable transfer devices 22, 23, 24, 25, and the movement of the movable transfer devices 22, 23, 24, 25 in the direction orthogonal to the line L are controlled by a control signal from the central control device 16. . Reference numeral 26 denotes a transport device for transporting the equipment 4 which has been subjected to the adjustment inspection by the adjustment inspection equipment 10, 11 or 12 to the next process, and 29 denotes a defective stocker for storing the equipment 4 determined to be defective.

Next, the operation of the above embodiment will be described. In the present embodiment, the transport inspection position of the adjustment inspection equipment 10, 11, 12 (the transport apparatus 1
Adjustment / inspection equipment in a state where adjustment / inspection of unadjusted and uninspected equipment 4 is possible according to whether or not the equipment 4 is present at the belt conveyor B position of 3,14,15) and the result of adjustment / inspection work of the equipment 4 It is transported to one of 10, 11, and 12, and an adjustment inspection is performed. In FIG. 1, the equipment 4 transported by the transport device 17 in the previous process is transported to the movable transport device 22, and the transport by the movable transport device 22 is detected by the optical sensor. The device 4 transported to the movable transport device 22 is transported to the transport device 13 or the bypass transport device 18 of the adjustment / inspection equipment 10, and the central control device 16 determines which transport device to transport. The determination is made as shown in FIG. That is, the transport destination of the device 4 depends on whether or not the device 4 has been transported earlier at the adjustment inspection position of the adjustment inspection equipment 10 and whether or not the device 4 is at the position of the bypass transport device 18. The determination is made as shown in FIG. In FIG. 2, (X) indicates no device 4, (O) indicates device 4, (●)
(▲) indicates that the adjustment inspection at the adjustment inspection position has been completed,
(●) indicates a good product and (▲) indicates a bad product. As shown in FIG. 2 (A), the device 4 on the movable transport device 22 is transported to the position when the device transported earlier is not at the position, and is also transported to the position when the device transported earlier is not at the position. When there is no device, the device 4 is transported to the position when it is at the position, and there is another device that is transported to the position earlier. If there is a device, it enters a standby state at the position. Also, as shown in FIG. 2 (B), when there is no device transported earlier to the position, the device 4 transported to the position is transported to the position from the position and again transported to the position. If there is a device, it is in a standby state. As described above, the transfer destination from the movable transfer device 22 is determined by the states of the downstream transfer device 13 and the bypass transfer device 18. Also, as shown in FIG. 2 (C), the unloading condition of the equipment 4 which has been subjected to the predetermined adjustment inspection at the position is the result of the judgment of the non-defective and defective products at the adjustment inspection equipment 10, and the presence or absence of the equipment at the position. Is determined according to. FIG. 2 (D) shows the unloading conditions from the position of the bypass transfer device 18. FIG. 2 (E) shows conditions for carrying in and out of the position.
Carrying in and out of the location is an upstream transport device
14, the position of the defective product transport device 27, the position of the finished product transport device 20 and the bypass transport device 19, and the state of the downstream transport device 15, the defective product transport device 28, the position of the finished product transport device 21, Is determined by The loading of the equipment 4 into and out of the movable transport device 25 is determined by the state of the upstream transport device 15, the position of the defective product transport device 14, and the position of the finished product transport device 21, and the like. It is. The centralized control device 16 is a device presence / absence signal and adjustment / inspection equipment 10, 11, and
The conditions of loading and unloading at each position are determined from the adjustment inspection result signal input from 12, and each transport device 13, 14, 15, bypass transport device 18, 19, defective product transport device 27, 28, and finished product transport The apparatus 20, 21, the operation start of the movable transfer device 22, 23, 24, 25, the control signal of the end of operation, and the movement start of the movable transfer device 22, 23, 24, 25, output the control signal of the end of movement, output the above It controls each transport device.

FIG. 3 shows the transport route of the equipment 4 to the adjustment inspection equipment 10, 11, 12, and FIG. 4 shows the unloading path for transporting the equipment 4 determined to be good by the adjustment inspection equipment 10, 11, 12. Shown, and the fifth
The figure shows the equipment 4 that was determined to be defective by the adjustment inspection equipment 10, 11, 12.
Is shown to the defective stocker 29.

According to the above-described embodiment, even if the adjustment inspection facility 11 fails, the adjustment inspection of the device 4 can be continued by the other adjustment inspection facilities 10 and 12.

In the above embodiment, the same three adjustment inspection equipments 10, 11, and 12 are installed, but four or more equipments can be used. In this case, the adjustment inspection equipment 11, the defective article transport device 27, The finished product transporting device 20, bypass transporting device 19, and movable transport 24 as one set are installed between the adjustment inspection facilities 11 and 12, or the adjustment inspection equipment 11, defective product transporting device 27, finished product transporting device 20, bypass What is necessary is just to install the equipment including the transfer device 19 and the movable transfer 23 as one set between the adjustment inspection equipments 10 and 11.

The adjustment inspection equipment 10, 11, 12 in the above embodiment is provided with transport devices 13, 14, 15, but the transport device on the upstream side of each adjustment inspection equipment is provided with the adjustment inspection equipment 10, 11, 12. If the equipment that can supply equipment to the adjustment inspection position and the transport device downstream of the adjustment inspection equipment has a function that can transfer the equipment after adjustment inspection to the downstream, the transportation of the adjustment inspection equipment 10,11,12 The devices 13, 14, and 15 need not be particularly provided.

Effect of the Invention The present invention is configured as described above, and has an advantage that even if one of the adjustment inspection equipment that performs the same adjustment inspection on a work fails, the adjustment inspection for the work can be continued by another equipment. It is. Further, according to the present invention, when equipment is changed to change the work to be conveyed, the equipment can be switched one by one while the other equipment is operated. Without having to do it.

[Brief description of the drawings]

FIG. 1 is a schematic view of an adjustment / inspection apparatus having a transport device according to an embodiment of the present invention, FIGS. 2 (A) to 2 (E) are diagrams showing loading and unloading conditions of the device, and FIG. FIG. 4 is a view showing a path for transferring a work from the equipment of the same apparatus, FIG. 5 is a view showing a path for transferring a defective product of the same apparatus, and FIG. 1 is a schematic view of an adjustment inspection device having a conventional transport device. 4. Equipment, 10, 11, 12 ... Adjustment and inspection equipment, 13, 14, 15
…… Transfer device, 16 …… Centralized control device, 17 …… Transport device,
18, 19: By-pass conveyance device, 20, 21, ... Ended product conveyance device, 22, 23, 24, 25, ... Movable conveyance device, 26 ... Conveyance device, 27, 28 ... Defective product conveyance device, 29 … Rejected stocker, …… Optical sensor.

──────────────────────────────────────────────────の Continuation of the front page (51) Int.Cl. ⁶ Identification number Agency reference number FI Technical indication location G01R 31/00 G01R 31/00 31/26 31/26 Z H05K 13/02 H05K 13/02 Z ( 56) References JP-A-1-185455 (JP, A) JP-A-2-24577 (JP, A) JP-A-2-70607 (JP, A) JP-A-62-256214 (JP, A) 49-83153 (JP, A)

Claims (4)

(57) [Claims] 1. A plurality of adjustment / inspection equipment for performing the same adjustment inspection on a supplied work and judging the quality of the work, and determining whether the work conveyed from a previous process is included in the plurality of adjustment / inspection equipments. A first conveying means for selectively supplying the workpiece determined to be non-defective by the adjustment and inspection equipment to a next process, and a work determined to be defective by the adjustment and inspection equipment. A third transport unit that transports the defective product to the stocker, a detection unit that detects the presence or absence of a work in the first, second, and third transport units; A control means for controlling the first, second and third transport means, wherein even if any of the plurality of adjustment / inspection facilities is stopped, another adjustment / inspection facility continues the adjustment / inspection for the workpiece. Transfer equipment Adjustment test apparatus having. 2. The adjusting device according to claim 1, wherein said first, second, and third transfer means include a movable transfer means movable in a direction orthogonal to a work transfer direction. Inspection equipment. 3. The adjustment having the transfer device according to claim 2, wherein the supply of the work to the adjustment inspection equipment and the supply of the work for which the adjustment inspection is completed to the second and third transfer means are performed by the movable transfer means. Inspection equipment. 4. The apparatus according to claim 1, further comprising control means for controlling said adjustment / inspection equipment, first, second and third transfer means based on a work detection result by the detection means and an adjustment / inspection result by the adjustment / inspection equipment. An adjustment inspection device having the transport device according to claim 1.