JPH02264820A - Transfer and inspection apparatus for work - Google Patents

Abstract

PURPOSE:To remove the generation of high frequency noises and to improve the measuring accuracy by forming a transferring path in a loop shape on a base and allowing each car truck to run in the horizontal direction by a chain driving mechanism. CONSTITUTION:A first-a fourth transferring paths 2-5 are formed in a loop shape on a base. Car trucks 7, 8 running in a horizontal direction and mounted with a work carrier 6 are installed in the first and third transferring paths 2, 4 so as to be reciprocated by chain driving mechanisms 13, 14, respectively. Tractors 15, 16 provided with a coupling device are installed in the second and fourth transferring paths 3, 5 to be reciprocated by chain driving mechanisms 21, 22, respectively. The tractors 15, 16 receive or transfer the work carrier 6 to the car trucks 7, 8. A plurality of checking devices 27a-27c are arranged at both sides of the second transferring path 3. Accordingly, generation of high frequency noises can be removed by running the car trucks 7, 8 by the chain driving mechanisms, and at the same time, the car trucks can be driven at uniform speeds, so that a work W can be rotated with uniform angular velocity, thereby improving the checking accuracy.

Description

[Detailed Description of the Invention] [Objective of the Invention] (Industrial Application Field) The present invention is directed to measuring the weight and weight of an object to be inspected (hereinafter referred to as a workpiece), such as a cylindrical body such as a drum or a cylindrical body. The present invention relates to a workpiece conveyance inspection device that measures and inspects dimensions, shapes, etc.

(Prior Art) Conventionally, this type of workpiece conveyance/inspection apparatus is configured as shown in FIGS. 9 to 13.

That is, in FIGS. 9 to 13, the base I has rectangular loop-shaped first, second, third, and fourth conveyance paths a.
, bSc, d are installed, and the first, second, third
and the fourth conveyance path a%b, c.

Outside of d are the first, second, third and fourth trolley wires e.
Sfs gs h are wired to surround it.

Moreover, the above-mentioned 1st and 3'W! A transverse carriage 11j equipped with a plurality of current collectors Il"1 is provided in the feeding paths a and c so as to be able to reciprocate and traverse, and each of these transverse carriages 11j has its current collector 11, jl connected to the first, Third trolley wire e, g
It is configured to travel back and forth on the first and third conveyance paths a and c using electric power from the conveyor. Furthermore, the second and fourth
The conveyance path S, d is provided in such a way that a towing vehicle equipped with a plurality of current collectors k 1 % m 1 can move back and forth for a distance of 1 m. , m
At 1, the trolley wires are reciprocated on the second and fourth transport paths bSd by electric power from the second and fourth trolley lines fSh. Further, m is placed on each of the above-mentioned towing vehicles while being transferred to and received from each of the above-mentioned traversing carts 11j.

Furthermore, a rail n is laid on one side of the second conveyance path, and on this rail n there are
As shown in FIG. 3, a work rotation device 0 equipped with an image sensor p is installed on each of the above-mentioned towing vehicles via a coupler q so as to be able to rotate each roller m. Further, on both sides of the second conveyance path, a plurality of inspection devices sSt, u forming pairs are arranged in a row, and each of these inspection bags KSS*Su is based on the weight, size, and weight of the workpiece W. It is provided to detect and record shapes, etc.

Therefore, the above-mentioned workpiece conveyance inspection device runs the transverse trolley i carrying the towing vehicle k on the first conveyance path a by itself by supplying power from the trolley wire e to its current collector 1i. Travel to the right end of conveyance path a. Then, the workpiece W is placed on the tractor k by an industrial robot (not shown).

Next, the towing vehicle that has destroyed the workpiece W runs on the second conveyance path and is connected to the workpiece rotation device 0 on the rail n via the coupler q, and the workpiece Since the rotating device O slowly rotates the workpiece W using the rollers r, an image sensor p attached to the workpiece rotating device 0 detects damage to the outer shape of the workpiece W. Further, each of the inspection devices s, t, and u detects and records the weight, size, shape, etc. of the workpiece W.

In this way, the towing vehicle carrying the workpiece W is allowed to travel by itself on the second transport path to the end of the TJ2 transport path, and wait on the third transport path C. This towing vehicle k is placed on the above-mentioned traversing truck j, and the vehicle is delivered and received. Then, another industrial robot (not shown) moves the workpiece W to the next process.

On the other hand, the above-mentioned traversing trolley j waiting on the above-mentioned third conveyance path C
placed this towing vehicle k on it. Thereafter, the towing vehicle k moves on its own to the left end on this third fine feed path C and stops, and the towing vehicle k moves on its own to the fourth conveyance path d and stops at a predetermined position. Further, the above-mentioned traversing cart j, which is waiting in the above-mentioned third mode feeding path C, returns to its original position and stops again.

In this way, the workpiece transport inspection device described above transports each of the workpieces W in sequence, and each of the detection devices s and tSu detects and records the weight, size, shape, etc. of the workpiece W. ing.

(Problem to be Solved by the Invention) However, the above-mentioned workpiece conveyance inspection device has a problem in that the current collectors 11, Jl
, kI Sm1, so electricity is transferred to each current collector 11"l'kl'"1, so
At this time, high-frequency noise is emitted, which not only has a negative effect on each of the above-mentioned detection devices s, t, and u, but also because each traversing truck and each tow truck are self-propelled. There is a drawback that variations in speed occur, which greatly affects the inspection accuracy of the workpiece W.

The present invention has been made in view of the above-mentioned circumstances, and eliminates the generation of high-frequency noise by running each traversing trolley using a chain drive mechanism without using power supply means such as each trolley wire or each current collector. In addition, it is an object of the present invention to provide a workpiece conveyance/inspection device that travels at a uniform traveling speed and makes the workpiece W have a uniform rotational angular velocity to improve inspection accuracy.

[Structure of the invention]

(Means for Solving the Problems and Their Effects) The present invention provides first, second, third and fourth conveyance paths formed in a loop shape on a base, and the first and third conveyance paths Each of the traversing carts on which the work transfer vehicle is placed is provided so as to reciprocate by a chain drive mechanism, and each traction vehicle equipped with a coupling device is placed on the second and fourth transport paths by giving and receiving the work transfer vehicle. A plurality of inspection devices are arranged in a row on both sides of the second conveyance path, and each of the pulling vehicles is provided with a respective getting on/off device to raise and lower the workpiece of the workpiece transfer vehicle. , a rotating device equipped with a pair of rollers that supports and rotates the workpiece is provided in each of the getting-on/off devices, and the transverse trolley carrying the workpiece transport vehicle on the first transport path is moved by a chain drive mechanism to the first transporter. The vehicle is driven to one end (right end) of the road, and an industrial robot (not shown) transfers the workpiece W to and from the towing vehicle. The second conveyance path is connected to a coupling device and the workpiece is moved by a chain drive mechanism, the workpiece is pushed up to a predetermined height by a lift device, and the workpiece is rotated by driving a rotating device equipped with a pair of rollers. , the workpiece is inspected by the inspection device or the image sensor, and after the workpiece is inspected by the inspection device, the workpiece transfer car is transferred to and from the traversing cart on the third conveyance path, and transferred to the third conveyance path. The transverse trolley carrying the workpiece transfer vehicle on the road is driven to the end by a chain drive mechanism, the workpiece W is transferred to the next process by an industrial robot (not shown), and the workpiece transfer vehicle is moved to the towing vehicle. The robot then travels to the fourth conveyance path and stops at a predetermined position, and then the above-mentioned pulley is moved back to return to its original position, and the power supply means using each trolley wire and each current collector is activated. Each traversing cart is moved by a chain drive mechanism instead of being used, eliminating the generation of high-frequency noise, and running at a uniform speed to make the workpiece W have a uniform rotational angular velocity to improve inspection accuracy. This is what I did.

(Example) Hereinafter, the present invention will be described with reference to an illustrated embodiment.

In FIGS. 1 to 8, reference numeral 1 denotes a flat base, and this base 1 has a rectangular loop-shaped first,
Second, third and fourth conveyance paths 2.3.4.5 are installed, and the first and third conveyance paths 2.4 are provided with a workpiece receiver 6.
Each traversing carriage 7 on which a work transfer vehicle 6 equipped with a is placed
．． 8 is provided so as to be able to reciprocate and traverse, and as shown in FIG. Drive chain 11 wrapped around the shaft.
12 and each chain drive mechanism 13.14 with said first
, and travel back and forth on the third conveyance path 2.4.

Further, as shown in FIGS. 1 and 3, the second and fourth transport paths 3.5 are provided with respective towing vehicles 15, 16 so as to be able to reciprocate, and each towing vehicle 15.16
As shown in FIG. 1, for example, a pulse motor drive motor 17.18 and this drive motor 17.1
The first and third transport paths 3.5 are reciprocated by each chain drive mechanism 21.22 with a drive chain 19.20 wound around the output shaft of No.8. Furthermore, as shown in FIGS. 4 to 7, each of the towing vehicles 15.
A coupling device 23 that can be raised and lowered is installed on the upper part of the workpiece transfer vehicle 16, and this coupling device 23 is adapted to lock the ends of each of the workpiece transfer vehicles 6. That is, this connecting device 23
is a connecting rod 23 with a locking piece connected to the output shaft of the drive motor 23a, for example, via a worm gear (not shown).
b can be raised and lowered. In addition, each of the above-mentioned towing vehicles 15
．． 16, an elevating device 24 is installed to push up the work W on each of the work transfer vehicles 6 to a predetermined height for inspection. The workpieces W of each of the workpiece transport vehicles 6 are pushed up and supported to a predetermined height for inspection. Furthermore, an image sensor 25 is attached to a part of the lifting device 24, and this image sensor 25 is designed to inspect the outer periphery of the workpiece W for damage etc. is connected to a flexible power supply cable 26 (see FIG. 7). Furthermore, on both sides of the second conveyance path 3, as shown in FIG.
A plurality of pairs of inspection devices 27 as 27 bs 27 c are installed to measure and inspect the weight, size, and shape of each of the inspection devices 27 a and 27 b.

27c is the weight, size and shape of each workpiece W mentioned above.
It is designed to perform a pI test. Further, as shown in FIG. 7, a part of the lifting device 24 includes a rotating device 28.
is provided to rotate each of the rollers 24a, for example, via a transmission belt, and by rotating each of the rollers 24a, this rotating device 28 rotates the workpiece W in contact with the rollers 24a, The image sensor 25 inspects the outer periphery of the workpiece W.

Hereinafter, the effects of the present invention will be explained.

Therefore, now the work transfer vehicle 6 on the first transfer path 2
The transverse carriage 7 on which the conveyor belt is placed is moved by the chain drive mechanism 11 to the right end of the first conveyance path 2. Then, the workpiece W is placed on the workpiece transfer vehicle 6 by an industrial robot (not shown).

Next, the work transfer vehicle 6 carrying the workpiece W is delivered to and received from the towing vehicle 15 on the second transport path 3, and at the same time, the coupling device 23 of the towing vehicle 15 is connected to a part of the work transfer vehicle 6. At the same time as the elevating device 24 operates, the rotating device 28 rotates each roller 24a.
The image sensor 25 inspects the outer shape of the workpiece W for damage or the like.

Furthermore, since the tow vehicle 15 travels to the end of the second conveyance path 3 by the chain drive mechanism 21, each inspection device 27 a s 2 installed on both sides of the second conveyance path 3
7 b s 27 c detects and records the weight, size, shape, etc. of the workpiece W.

In this way, the work transport vehicle 6 carrying the work W
travels on the second conveyance path 3 by the chain drive mechanism 21 to the end of the second conveyance path 3.

Next, when the work transfer vehicle 6 is placed on the transverse carriage 8 waiting on the third conveyance path 4 and transferred, the transverse carriage 8 is moved to the end of the third conveyance path 4 by the chain drive mechanism 14. Drive to the end and stop. The traversing truck 8 moves back on the third conveyance path 4 by the chain drive mechanism 14 to the original position of the third conveyance path 4, stops, and places the next workpiece transfer vehicle 6 thereon. Wait for the transfer to take place.

On the other hand, the work W on which the work transfer vehicle 6 is mounted is transferred to the next process by another industrial robot (not shown).

On the other hand, when the chain drive mechanism 14 travels along the third transport path 4 to the left end and stops, the pulling vehicle 16 moves after placing the workpiece transport vehicle 6 thereon. , the chain drive mechanism 2 moves on the fourth conveyance path 5.
2, the vehicle travels to the end of the fourth FIi feed path 5 and stops. Also, the towing vehicle 16 waiting on the fourth conveyance path 5
returns to its original position and stops.

In this way, the above-described workpiece transport inspection device sequentially transports each workpiece W, and the image sensor 25 and each detection device 27 a s 27 b s 27 c detect the weight, size, and shape of the work W. etc. is detected and recorded.

On the other hand, as shown in FIG. 8, a plurality of workpiece transport vehicles 6 (in this case, five) carrying the workpieces W are sequentially carried into the second transport path 3 and temporarily arranged in a line. Each of the above works W
It is also possible to perform a total of one fixed inspection using each of the inspection devices 27a, 127b, s, and 27c, and then transport the workpiece transfer vehicle 6 through the process described above.

〔Effect of the invention〕

As described above, according to the present invention, the first, second, third, and fourth conveyance paths formed in a loop shape are installed on the base, and the workpiece transfer vehicle is installed in the first and third conveyance paths. Each of the transverse carts to be placed thereon is provided so as to reciprocate by a chain drive mechanism, and each towing car equipped with a coupling device is placed on the second and fourth transport paths by giving and receiving the work transfer car, and the chain drive mechanism A plurality of inspection devices are arranged in a row on both sides of the second conveyance path, and each of the towing vehicles is provided with a respective getting on/off device for raising and lowering the workpiece of the work transfer vehicle, and each getting on/off device is provided so as to move up and down the workpiece of the work transfer vehicle. Since a rotating device equipped with a pair of rollers that supports and rotates the workpiece is installed, each traversing trolley can be moved by a chain drive mechanism without using the conventional power supply means such as each trolley wire or each current collector. Because it travels, it is not only possible to eliminate the generation of high-frequency noise, but also because it travels at a uniform speed, the workpiece W can be inspected at a uniform rotational angular velocity, which improves measurement accuracy. It has excellent effects such as

[BRIEF DESCRIPTION OF THE DRAWINGS] FIG. 1 is a front view of the workpiece conveyance and inspection apparatus according to the present invention, FIG. 2 is a front view of the same, FIG. 3 is a side view of the same, and FIG. An enlarged sectional view taken along the chain line A-A in Fig. 1, No. 5
6 to 8 are diagrams for explaining the present invention in detail. FIG. 9 is a plan view of a conventional workpiece conveyance inspection device. FIG. 10 is a side view of the same as above. The front view and FIGS. 11 to 13 are diagrams for explaining the operation of a conventional workpiece conveyance inspection device. 1... Base, 2.3.4.5... Conveyance path, 6...
Work transfer vehicle, 7.8...traversing trolley, 13.14...
・Chain drive mechanism, 15.16... Traction vehicle, 21.
22... Chain drive mechanism, 23... Connecting device, 2
4... Lifting device, 25,... Image sensor, 27a,
27b. 27c...detection device, 28...rotation device. Figure 1 Figure 2 Figure 8 Figure 9 Figure 10

Claims (1)

[Claims] First, second, third and fourth loops formed on the base.
A conveyance path is installed, each of the transverse carts on which the work transfer vehicle is placed on the first and third conveyance paths is provided so as to reciprocate by a chain drive mechanism, and a coupling device is provided on the second and fourth conveyance paths. Each towing vehicle is provided so as to deliver and receive the work transfer vehicle, place it there, and travel back and forth using a chain drive mechanism, and a plurality of inspection devices are arranged in a row on both sides of the second conveyance path, A workpiece conveyance/inspection device characterized in that a getting on/off device is provided to raise and lower the workpiece of the work transfer vehicle, and each of the getting on/off devices is provided with a rotating device having a pair of rollers that rotate while supporting the workpiece. .