JPS6261354B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an alignment inspection device for a ground round steel bar ground by a coreless grinder or the like.

In the case of the above-mentioned ground round steel bars, workers inspect them to see if there are any scratches on the surface, and those that pass are coated with oil and packaged in a predetermined number. It will be shipped.

In the above case, when conducting the inspection,
At the grinding location, a predetermined number of round steel bars are stored in pallets, placed on a trolley, and transported to a roller conveyor.The pallets are then transferred to the conveyor, and a nylon sling is inserted through the gap between the pallets. The steel bars were hung from the hooks of a forklift, and the round steel bars were moved to a wooden frame and piled on top of it.The slings were removed and the entire structure was observed and inspected by workers.

However, this kind of work requires multiple workers and is inefficient, and since there are a lot of items, it is not only difficult to accurately inspect them all, but also difficult to conduct a sampling inspection.
In addition, there were other disadvantages such as the occurrence of scratches during handling operations and the need for labor to align the round steel bars after inspection.

This invention eliminates the disadvantages of the conventional manual inspection work as described above, allows a small number of workers to accurately and efficiently perform inspection work on all items, and in the meantime, eliminates the need for unnecessary work on round steel bars. To provide an alignment inspection device capable of automatically aligning after inspection without generating flaws.

In order to achieve the above-mentioned object, the present invention is provided with a stop claw protruding from the surface of the inspection table tilted toward the rear, and a receiving member movable up and down is installed below the rear discharge end. , a lifting member having a flexible lifting tool is installed to receive and raise the round steel bar from the receiving member when the receiving member is lowered, and a lifting member is installed adjacent to and in front of the raised position of the lifting member. Install a rotating cage drum,
The present invention is characterized in that, in front of and adjacent to the drum, a discharge table is provided which can swing around the opposite side of the drum as a fulcrum, and a chain conveyor is installed below the discharge table.

The embodiment shown in the drawings will be described.

Reference numeral 1 indicates an inspection table that is arranged to be inclined toward the rear, that is, toward the place where the worker is located, and this inspection table 1 is successively raised in the opposite direction as it descends, and its surface is covered with wood or It has a plurality of protrusions 13 equipped with protective pieces made of material having the same effect, and a plurality of slits 2, 3 arranged in the transverse direction near the middle and rear ends (Fig. 1). Stop claws 4 and 5 are provided that are movable in the vertical direction within the inspection table 1 and that protrude and retract from the surface of the inspection table 1. 7. That is, the base ends of the stop claws 4 and 5 are fixed to rotation shafts 8 and 9 that are rotatably supported on the back surface of the examination table 1, respectively.
The other ends of the levers 10 and 11 fixed to the examination table 1
It is pivotally connected to the operating rods of cylinders 6 and 7 installed in the cylinders 6 and 7. The cylinders 6 and 7 may be installed in other parts of the machine frame than the inspection table 1.

A receiving member 12 is installed below the discharge end of the inspection table 1, and this receiving member 12 includes a pair of bottom plates 17 that slope downward and forward from both sides of a rear plate 16, and a pair of bottom plates 17 that extend vertically from the front end thereof. Front plate 1 extending upward
5, a nut 19 and a guide cylinder 20 are vertically fixed to the back of the rear plate 16, and this nut 19 is screwed into a threaded rod 22 rotatably supported by the rear upper and lower machine stands 14 and 21. A guide rod 23, which is rotatably supported by the machine bases 14 and 21, is slidably fitted into the guide tube 20 in parallel with the threaded rod 22.

A bevel gear 24 is fixed to the lower end of the threaded rod 22, and this bevel gear 24 meshes with a bevel gear 26 fixed to a rotating shaft 25 that is supported on the machine stand 21 so as to be rotatable laterally. Pulley 2 on rotation shaft 25
7 is fixed, and this pulley 27 is rotated by a motor 29 via a belt 28. Although two sets of receiving members 12 are provided in this embodiment,
The number can be increased or decreased depending on the length of the round steel bar being handled.
The surfaces of the plates 15, 16, and 17 are each covered with a protective piece so as not to damage the round steel bar.

A lifting member 31 is arranged in the space on both sides of the receiving member 12, and this lifting member 31 has a lifting tool 32 made of a nylon sling or the like located in the space on both sides of the receiving member 12. The tip of the receiving member 12 is fixed by winding the guide body 34 provided at the upper end of the front machine stand 33 on the front plate 15 side and winding the pin 36 of the locking tool 35 provided on the machine stand 33. There is. The other end of the lifting tool 32 is fixed to a lower winding drum 38 by winding around a guide roller 37 installed at the upper end of a support column erected on the machine stand 21.
A shaft 40 is rotatably supported by the machine base 21 and rotated by a motor 39.

Adjacent to and in front of the guide body 34, a plurality of squirrel cage drums 41 are rotatably installed between the side machines 44 at intervals, and the drums 41 are disposed between a pair of discs 42 on the periphery. A plurality of round bars 43 at equal intervals
It consists of a stretched frame and is rotated by a motor 45 provided on a machine base 47 on one side. That is, as shown in FIG. 4, a rotating shaft 46 of the disc 42 is rotatably supported by a machine base 44, and a pulley 48 attached to the rotating shaft 46 is driven by a pulley of a motor 45 via a belt 49. It is designed to rotate.

In the space on both sides of the drum 41, a substantially inverted L-shaped discharge arm 51 is arranged with the tip of the upper arm facing toward the drum 41, and a rotating shaft rotatably supported by the machine base 44 is disposed in the middle. It is attached to a moving shaft 52, and the tip of the lower arm is pivotally connected to an operating rod 54 of a cylinder 53 installed on a bottom mount 56 at approximately the center.

A stop claw 61 is provided near the rear end of the ejection arm 51 in parallel with the ejection arm 51 and is movable in the vertical direction. is fixed to a rotating shaft 63 rotatably supported on the machine base 47, and the other end of a lever 65 attached to one end of this rotating shaft 63 operates the cylinder 62 installed on the machine base 50 on the other side. It is pivoted to a rod.

A chain conveyor 66 is installed below the discharge arm 51 and is inclined upwardly toward the front.
This conveyor 66 has a round bar 72 attached to a link of a pair of chains 71 stretched between sprockets 69 and 70 fixed to a drive shaft 67 and a driven shaft 68, respectively, which are rotatably supported on a machine base 44. A pulley 74 fixed to one end of the drive shaft 67 is connected to a motor 73 installed on the machine base 47.
It is designed to rotate via a belt 75.

A drum 41 and a conveyor 66 are mounted on the machines 44 and 50.
A downwardly inclined transfer plate 76 is provided which communicates with the front end of the main body (FIG. 5).

The usage status of the above-mentioned item will be explained.

When a plurality of round steel bars a carried by a carrier (not shown) are placed horizontally above the inspection table 1, the inspection table 1
It rolls on a protrusion 13 and is stopped by a stop claw 4 protruding from its surface. When the round steel bar no longer exists in the area of the stop claw 5, the cylinder 6 is actuated to swing the stop claw 4 and retract it below the inspection table 1. The round steel bars roll and come into contact with the stop claws 5 one after another, and they all stop in one plane without stacking up. However, if some of them overlap,
A worker smoothes the surface of the round steel bar to make it flat,
Inspect the whole surface by rolling it over by hand (Figure 3).

When the inspection is completed, the cylinder 7 is actuated to swing the stop claw 5 and retract it below the inspection table 1, and the round steel bar rolls on the inspection table 1 and moves to the receiving member 12.
It falls onto the bottom plate 17 of. At this time, the receiving member 12 is initially placed in the upper position to prevent damage when the round steel bar falls, and as the amount of the round steel bar increases, the motor 29 is activated to rotate the rotation shaft 25. The nut 1 rotates the threaded rod 22 and is screwed into it.
The receiving member 12 is sequentially lowered via the receiving member 9.

When the receiving member 12 descends to its lower limit, the round steel bar supported by the receiving member 12 is moved to the lifting member 3.
The receiving member 12 is transferred to the lifting tool 32 of
At the same time, when the motor 39 is activated to rotate the winding drum 38 and wind up the lifting member 31, the round steel bar a is also lifted up and rotates adjacent to it at its upper limit. They are sequentially transferred between the round bars 43 of the cage-shaped drum 41 (FIG. 4).

The round steel bar transferred to the drum 41 is
As the bar rotates, it is transferred to the movable discharge arm 51 or the chain conveyor 66, but if the diameter of the round steel bar is large, the discharge arm 51 is used, and if the diameter is small, the conveyor 66 is used. Become. This is because when objects of small diameter are transferred to the ejection arm 51, they may cross over and not be properly aligned. When using the ejecting arm 51, operate the cylinder 53 to move the ejecting arm 51 to the upper position (Fig. 3), and when not using the ejecting arm 51, move the ejecting arm 51 to the upper position (Fig. 3).
3 in the opposite direction to the previous direction, it is moved downward from the chain conveyor 66 around the shaft 69 (FIG. 4). When the discharge arm 51 is used, the cylinder 62 is actuated to stop and align the round bars by the stop claw 61 protruding from the discharge arm 51, and then the discharge arm of the stop claw 61 By retracting the fixed discharge arm 7 downward,
7 and are discharged from the apparatus in an aligned state. On the other hand, when using the conveyor 66, the steel bar is
6, fall between the round bars 72, are aligned horizontally, and are discharged in the same manner as described above.

This invention is as described above, and the round steel bars supplied on the inspection table are stopped by the stopper claws and can be arranged in a flat manner without being piled up, so that they can be efficiently and accurately arranged. The surface of the bar can be observed and inspected, and the inspected round bar is moved up and down to be received by a receiving member with a fork not far from the inspection table, and at the lower limit of this receiving member, the lifting member is The round steel bars are transferred to a flexible lifting device, and then transferred sequentially to a cage drum, discharge arm, or chain conveyor by the upward movement of the lifting device. Scratches caused by rubbing are prevented,
Furthermore, it has the effect of being sent to the subsequent oiling or packaging equipment in an orderly manner.

[Brief explanation of the drawing]

FIG. 1 is a plan view of an embodiment of the invention, FIG. 2 is a front view of the same, FIG. 3 is an enlarged partially cutaway side view of the same, and FIG. 4 is a part of FIG. 3. An enlarged view of the work different from this, Fig. 5, is shown in Fig. 3.
FIG. 5 is a plan view taken along line 5-5 in the direction of the arrow; 1... Examination table, 2, 3... Slit, 4, 5...
...Stopping claw, 12...Receiving member, 15...Front plate, 1
6... Rear plate, 17... Bottom plate, 19... Nut, 2
2... Threaded rod, 31... Lifting member, 32... Lifting tool, 38... Winding drum, 41... Cage drum, 42... Disc, 43... Round bar, 51... Discharge Arm, 52...Rotation axis, 66...Chain conveyor.

Claims (1)

[Claims] 1. An inspection table tilted toward the rear is provided with a stop claw that protrudes from its surface, and a receiving member that can move up and down is installed below the rear discharge end, and when the receiving member is lowered, the receiving member a lifting member having a flexible lifting device for receiving and lifting a round steel bar from the lifting member; a rotating squirrel cage drum being installed adjacent to and in front of the lifting position of the lifting member;
A grinding round steel alignment inspection device characterized in that a discharge arm that is swingable about the opposite side of the drum is installed in front of and adjacent to the drum, and a chain conveyor is installed below the discharge arm.