JP2723289B2 - Work transport inspection device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Industrial application field) The present invention relates to a method of measuring the weight of an object to be inspected (hereinafter referred to as a work) such as a cylinder or a cylinder such as a drum. The present invention relates to a work transport inspection device for measuring and inspecting dimensions and shapes.

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

That is, in FIGS. 9 to 13, the base I is provided with first, second, third, and fourth transport paths a, b, c, and d in the form of square loops. The first, second, third, and fourth trolley wires e, f, g, and h are wired outside the first, second, third, and fourth transport paths a, b, c, and d. ing. Also, the first and third transport paths a, c
Is provided with a plurality of trolleys i, j having a plurality of current collectors i ₁ , j _{1 so} that the trolleys can reciprocate. Each of the trolleys i, j is provided with the current collectors i ₁ , j ₁ . The first and third transport paths a, a are provided by electric power from the first and third trolley lines e, g.
c travels back and forth. Further, the second
And the fourth transport paths b and d are provided with towing vehicles k and m having a plurality of current collectors k ₁ and m ₁ so as to be able to reciprocate and traverse. The current from the second and fourth trolley wires f and h at the current collectors k ₁ and m ₁
And reciprocate on the fourth transport paths b and d. Further, each of the towing vehicles k, m is transferred to and received from each of the traversing vehicles i, j. Further, a rail n is laid on one side of the second transport path b. On this rail n, as shown in FIG. 11 to FIG. Device o
Is mounted so as to run freely by rotating each roller r of each of the towing vehicles k and m via the coupler q. Further, a pair of a plurality of inspection devices s, t, and u are arranged in a row on both sides of the second transport path b. The size and the shape are detected and recorded.

Therefore, the above-described work transfer inspection device is provided with the first work inspection device.
The tractor k the transverse carriage i topped on the transport path a to supply power to the current collector i ₁ from the trolley wire e self-propelled traveling to the right end portion of the first conveyance path a. Then, the work W is placed on the towing vehicle k by an industrial robot (not shown).

Next, when the towing vehicle k on which the work W is loaded runs on the second transport path b by itself and is connected to the work rotating device o on the rail n via the coupler q, the work rotation is performed. Since the device o slowly rotates the work W with each of the rollers r, the image sensor p attached to the work rotating device o detects damage to the outer shape of the work W and the like. or,
Each of the inspection devices s, t, and u detects and records the weight, size, shape, and the like of the work W.

In this way, the towing vehicle k on which the work W is placed is:
The towing vehicle k is mounted on the traversing vehicle j which is self-propelled on the second transport path b, travels to the end of the second transport path b, and stands by on the third transport path c. Give and receive. Then, the workpiece W is transferred to the next step by another industrial robot (not shown).

On the other hand, the traversing vehicle j waiting on the third transport path c, after mounting the towing vehicle k, self-propelled to the third transport path c to the left end and stopping. The vehicle travels to the fourth transport path d and stops at a predetermined position. Further, the traversing carriage j waiting on the third transport path c returns to the original position again and stops.

In this manner, the above-described work transport inspection device is
Each of the workpieces W is sequentially transferred, and each of the detection devices s, t, and u detects and records the weight, size, shape, and the like of the workpiece W.

(Problems to be Solved by the Invention) However, the above-described transfer inspection apparatus for workpieces uses the trolley wires e, f, g, and h to collect the current collectors i ₁ , j ₁ , k ₁ , and m _1.
To each current collector i ₁ , j ₁ , k ₁ , m ₁
In this case, high-frequency noise is transmitted at this time, which not only adversely affects the detection devices s, t, and u, but also causes each of the traversing vehicles and the towing vehicles to travel by themselves. Therefore, there is a drawback that the traveling speed varies, which has a great effect on the inspection accuracy of the work W.

The present invention has been made in view of the above-described circumstances, and eliminates the generation of high-frequency noise by using a chain drive mechanism to drive each traversing truck without using power supply means by each trolley wire and each current collector. In addition, an object of the present invention is to provide a work transport inspection apparatus that travels at a uniform travel speed to make the work W a uniform rotational angular velocity and improves inspection accuracy.

[Configuration of the invention]

(Means for Solving the Problems and Their Functions) The present invention provides first, second, and third loops formed on a base.
Third and fourth transport paths are provided, and each of the traversing carriages on which the work transfer vehicles are mounted is provided so as to reciprocate with a chain drive mechanism in the first and third transport paths. Each of the towing vehicles provided with a connecting device is provided so as to receive and receive the work transfer vehicle, and to reciprocate by a chain drive mechanism, and to arrange a plurality of inspection devices on both sides of the second transport path,
Each of the towing vehicles is provided with a lifting device for raising and lowering the work of the work transfer vehicle, and each of the lifting and lowering devices is provided with a rotating device having a pair of rollers for supporting and rotating the work, and The traversing cart carrying the work transfer vehicle on the road is driven by a chain drive mechanism to one end (right end) of the first transfer path, and the work W is turned into a tow vehicle by an industrial robot (not shown). Then, the work transfer vehicle is transferred, and then the towing vehicle on which the work transfer vehicle is transferred is connected with the second transport path to the connecting device and travels by the chain drive mechanism. While rotating the work by driving a rotating device having a pair of rollers, the work is inspected by the inspection device or the image sensor, and the work is inspected by the inspection device. The The horizontal carriage carrying the workpiece transfer vehicle on the third transport path is transferred to and received by the transverse carriage on the transport path, travels to the end of the transverse carriage with the chain drive mechanism, and the workpiece W is moved by an industrial robot (not shown). Is transferred to the next step, and the work transfer vehicle is transferred to the fourth transport path by the towing vehicle and travels and stops at a predetermined position. Thereafter, the towing vehicle is moved back to its original position. Return to the position, run each traversing truck by the chain drive mechanism without using power supply means by each trolley wire and each current collector, eliminate the generation of high frequency noise, and run at a uniform traveling speed Thus, the work W is made to have a uniform rotational angular velocity to improve the inspection accuracy.

(Embodiment) Hereinafter, the present invention will be described with reference to one embodiment shown in the drawings.

In FIG. 1 to FIG. 8, reference numeral 1 denotes a flat base, and the base 1 has first, second, third and fourth transport paths 2, 3, and 4 in the form of a square loop. , 5 are provided, and the first and third transport paths 2, 4 each have a transverse carriage 7 on which a work transfer vehicle 6 having a work receiver 6 a is placed,
8 are provided so as to be able to reciprocate and traverse. Each of the traversing carts 7 and 8 is, for example, as shown in FIG.
The first and third transport paths 2 and 4 are respectively driven by chain drive mechanisms 13 and 14 including drive motors 9 and 10 by pulse motors and drive chains 11 and 12 wound around output shafts of the drive motors 9 and 10. It is designed to travel back and forth. Also, the second
As shown in FIG. 1 and FIG. 3, each of the towing vehicles 15 and 16 is provided on the fourth transport paths 3 and 5 so as to be able to reciprocate. As shown in FIG. 1, for example, a drive motor 17 by a pulse motor,
The chain 18 and the drive chains 19 and 20 wound around output shafts of the drive motors 17 and 18 reciprocate along the first and third transport paths 3 and 5 by respective chain drive mechanisms 21 and 22. I have. Further, as shown in FIGS. 4 to 7, a vertically movable connecting device 23 is provided above each of the towing vehicles 15 and 16, and this connecting device 23 is connected to each of the workpiece transfer vehicles 6 and 6.
Is locked. That is, this connecting device 23 is connected to the output shaft of the drive motor 23a, for example, by a connecting rod 23 with a locking piece connected via a worm gear (not shown).
It moves up and down b. In addition, each of the towing vehicles 15, 1
6, a lifting device 24 is installed so as to push up the workpiece W on each of the workpiece transfer vehicles 6 to a predetermined height for inspection. The lifting device 24 includes a pair of rollers.
24a pushes and supports the work W of each work transfer vehicle 6 to a predetermined height for inspection. Further, an image sensor 25 is attached to a part of the elevating device 24. The image sensor 25 is configured to inspect the outer periphery of the work W for damage or the like. Is connected to a flexible power supply cable 26 (see FIG. 7). Furthermore, on both sides of the second transport path 3,
As shown in FIG. 1, a plurality of pairs of inspection devices 27a, 27b for measuring and inspecting the weight, size, and shape of the work W,
The inspection device 27a, 27b, 27c measures and inspects the weight, size, and shape of the work W. As shown in FIG. 7, a rotating device 28 is provided at a part of the elevating device 24 with each of the rollers 24a.
Is provided so as to rotate via a transmission belt, for example, and the rotating device 28 rotates the rollers 24a to rotate the work W in contact with the rollers 24a,
The image sensor 25 inspects the outer periphery of the work W.

 Hereinafter, the operation of the present invention will be described.

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

Next, the work transfer vehicle 6 on which the work W is placed is transferred to and from the towing vehicle 15 on the second transport path 3, and at the same time, the connecting device 23 of the towing vehicle 15 is partially connected to the work transfer vehicle 6. And the rotating device 28 rotates each roller 24a at the same time as the elevating device 24 operates, so that the image sensor 25 inspects the outer shape of the work W for damage or the like. Further, the towing vehicle 15 is connected to the second drive by the chain drive mechanism 21.
Since the vehicle travels to the end of the transport path 3, the inspection devices 27a, 27b, and 27c installed on both sides of the second transport path 3
Detects and records the weight, size, shape, etc.

In this way, the work transfer vehicle 6 on which the work W is loaded travels on the second transfer path 3 to the end of the second transfer path 3 by the chain drive mechanism 21.

Next, when the workpiece transfer vehicle 6 is placed on and transferred from the traverse carriage 8 waiting on the third transport path 4, the traverse carriage 8 is moved to the end of the third transport path 4 by the chain drive mechanism 14. Run to the stop and stop. The traversing carriage 8 is moved along the third transport path 4 by the chain drive mechanism 14 into the third direction.
It returns to the original position of the transport path 4 and stops, and waits for the next work transfer vehicle 6 to be placed and transferred.

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

On the other hand, when the chain drive mechanism 14 stops traveling on the third transport path 4 to the left end to the end of the third transport path 4, the towing vehicle 16 stops moving after the work transport vehicle 6 is mounted. The chain drive mechanism 22 travels on the fourth transport path 5 to the end of the fourth transport path 5 and stops. Further, the towing vehicle 16 waiting in the fourth transport path 5 returns to the original position again and stops.

In this manner, the above-described work transport inspection device is
The works W are sequentially transferred, and the image sensor 25 and the detection devices 27a, 27b, 27c detect and record the weight, size, shape, and the like of the works W.

On the other hand, as shown in FIG. 8, a plurality of work transport vehicles 6 (five in this case) that searched for the work W are sequentially loaded into the second transport path 3 and temporarily arranged in a row. Each work W can be measured and inspected by each of the inspection devices 27a, 27b, and 27c, and thereafter, the work transfer vehicle 6 can be transported in the above-described process.

〔The invention's effect〕

As described above, according to the present invention, the first, second, third, and fourth conveyance paths formed in a loop on the base are installed,
Each of the traversing carriages on which the work transfer vehicles are mounted on the first and third transport paths is provided so as to reciprocate by a chain drive mechanism,
Each of the towing vehicles provided with a coupling device in the second and fourth transport paths is provided so as to receive and transfer the work transport vehicle, and to reciprocate by a chain drive mechanism, and a plurality of towing vehicles are provided on both sides of the second transport path. Inspection devices are arranged, and each of the towing vehicles is provided with each of the getting on and off devices so as to raise and lower the work of the work transfer vehicle, and each of the getting on and off devices has a pair of rollers for supporting and rotating the work. Since each trolley runs by a chain drive mechanism without using the conventional power supply means by each trolley wire and each current collector, the generation of high frequency noise can be eliminated. In addition, since the workpiece W travels at a uniform traveling speed, the work W can be inspected at a uniform rotational angular velocity, and therefore, there is an excellent effect that the measurement accuracy can be improved.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a plan view of a work transport inspection apparatus according to the present invention,
2 is a front view of the same, FIG. 3 is a side view of the same, FIG. 4 is an enlarged sectional view taken along a chain line AA in FIG. 1, FIG. 5 is a side view of the same, FIG. FIG. 8 to FIG. 8 are views for explaining the operation of the present invention, FIG. 9 is a plan view of a conventional work transport inspection apparatus, FIG. 10 is a front view of the same, FIG.
FIG. 13 is a diagram for explaining the operation of the conventional work transfer inspection device. DESCRIPTION OF SYMBOLS 1 ... Foundation, 2, 3, 4, 5 ... Conveyance path, 6 ... Work transfer vehicle, 7, 8 ... Traversing trolley, 13, 14 ... Chain drive mechanism, 15, 16 ... Towing vehicle, 21 , 22... A chain drive mechanism, 23... A connecting device, 24... A lifting device, 25... An image sensor, 27a, 27b, 27c.

──────────────────────────────────────────────────続 き Continuation of the front page (51) Int.Cl. ⁶ Identification number Office reference number FI Technical display location G01G 11/00 G01G 11/00 C

Claims (1)

(57) [Claims] A first, second, and second loops formed on a base.
Third and fourth transport paths are provided, and each of the traversing carriages on which the work transfer vehicles are mounted is provided so as to reciprocate with a chain drive mechanism in the first and third transport paths. Each of the towing vehicles provided with a connecting device is provided so as to receive and receive the work transfer vehicle, and to reciprocate by a chain drive mechanism, and to arrange a plurality of inspection devices on both sides of the second transport path,
Each of the towing vehicles is provided with a lifting device for lifting and lowering the work of the work transfer vehicle, and each of the lifting devices is provided with a rotating device having a pair of rollers for supporting and rotating the work. Inspection device for work to be transferred.