JPH0442273Y2 - - Google Patents

Description

[Detailed description of the invention] Industrial application field The present invention provides a wire rod arrangement conveyor suitable for automatically conveying straight wire rods of a fixed length in a horizontally arranged parallel manner at predetermined intervals. Regarding equipment.

Conventional technology For example, reinforcing wire rods embedded in panel concrete such as ALC boards are made by cutting a predetermined number of straight wire rods (main reinforcing wire rods) of a certain length processed by a high-speed automatic wire processing machine at predetermined intervals in the lateral direction. The reinforcing wire rods are conveyed to an automatic welding machine by a feed roller in a parallel arrangement posture, and the sub-reinforcement wire rods are arranged perpendicularly on top of this group of main reinforcing wire rods, and the intersecting portions are welded to assemble the pine-shaped reinforcing wire rods. There is.

Problems to be Solved by the Invention However, the main reinforcement wire rods of a certain length continuously fed out from the above-mentioned high-speed automatic wire processing machine are arranged in parallel at a predetermined interval in the lateral direction, and There is a problem in high-speed automation of the conveying and arranging process, and at present there is an inconvenience that this conveying and arranging process cannot keep up with the processing speed before and after it.

The purpose of the present invention is to provide a parallel conveyor device for arranging wire rods, which is suitable for automatically conveying a large number of straight wire rods, such as the above-mentioned reinforcing wire rods, in a posture in which they are arranged in parallel at predetermined intervals in the lateral direction. There is a particular thing.

Structure of the invention In order to achieve the above object, the structure adopted in the invention consists of a feeding stocker that stores the wire rods cut to a certain length and separates and discharges them one by one; a plurality of conveyor chains arranged to form a conveyance surface extending substantially horizontally; a number of carrier units attached to the conveyor chain at predetermined intervals in the conveyance direction; and a plurality of carrier units disposed below the conveyor chain. is,
and an array stocker arranged in parallel at predetermined intervals along the lower conveyance path, and when the carrier unit moves along the upper conveyance path of the conveyor chain, the conveyor unit is discharged from the feed stocker. means for gripping the wire rods individually and parallel to each other and releasing the gripped wire rods at an arbitrarily designated position above the array stocker when the wire rods are moved along the lower conveyance path. It is characterized by

Embodiments Hereinafter, embodiments of the present invention will be described based on the drawings.

Reference numeral 2 denotes a feed stocker which accommodates straight wire rods 1 cut to a certain length in a stacked state, and at its bottom discharge port 3 is a separation feed device consisting of a pair of discharge gates 4a and 4b that open and close alternately. 4 is provided so that the wire rods 1 are separated and discharged one by one.

Reference numeral 5 designates a parallel conveyor, which includes a plurality of driving wheels 8 and driven wheels 9 fitted at equal pitches on rotating shafts 6 and 7.
. . . A plurality of conveyor chains 10 . It's summery.

A large number of carrier units 13 are attached to each conveyor chain 10 at predetermined intervals in the conveying direction. The carrier unit 13 grasps the wire rods 1 discharged from the feed stocker 2 individually and in parallel with each other when moving along the upper conveyance path 11 of the conveyor chain 10, and holds the wire rods 1 in a predetermined position on the lower conveyance path 12. It is configured to release the wire rod 1 gripped at the position, and its specific structure is shown in FIGS. 3 to 5.

In FIGS. 3 to 5, reference numeral 15 denotes a holding plate that forms the main body of the carrier unit 13, and has a notch 16 at the top that is opened upward, and a pocket 17 is provided inside the notch 16. ing. The holding plate 15 is attached to the conveyor chain 10
A plurality of holding plates 1 are fixed to attachments 10b that are connected to the links 10a at regular intervals, are arranged at predetermined intervals in the conveyance direction, and are arranged in a direction perpendicular to the conveyance direction.
The wire rod 1 is received and held in the notch 16 of 5 (see FIGS. 2 and 4).

Reference numeral 18 denotes a locking arm, the intermediate portion of which is swingably supported on the holding plate 15 via a pin 19, and a stopper 2 fixed to the holding plate 15.
0 limits its range of motion. The stopper 20 and the upper end 18 of the locking arm 18
The lower wide part 18b of the locking arm 18 is connected to the notch 16 by the tension spring 21 suspended between
is biased to protrude laterally. The tensile force of the tension spring 21 is such that the wire rod 1 is
The wire rod 1 discharged from the feeding stocker 2 is guided downward along the guide surface 18c of the locking arm 18, and reaches the position shown by the solid line in FIG. 3. When the locking arm 18 is moved to the position shown in phantom, the locking arm 18 is reversed against the tension spring 21 to the position shown in phantom. Then, at the same time that the wire rod 1 is fitted into the pocket part 17 of the notch part 16, the locking arm 18 is pulled back again to the position shown by the solid line by the tension spring 21, and the wire rod 1 received in the pocket part 17 is pulled back to the lower end wide part 18b. It is designed to be locked and held. If it is predicted that the wire 1 is light and it is difficult to reliably reverse the locking arm 18, a hit pin 22 (see FIG. 1) may be provided near the end of the upper conveyance path 11. Then, the locking arm 18 may be forcibly reversed. Next, when the carrier unit 13 moves to the lower conveyance path 12 in the posture in which the wire rod 1 is locked and held as described above, and faces the upper position of the designated array stocker 25, which will be described later, as shown in FIG. Then, the upper end 18a of the locking arm 18 engages with the actuating pin 23 which is disposed in the vicinity of the array stocker 25 so as to be able to protrude upward, and the locking arm 1
The inner wide end portion 18b of the wire rod 8 moves in the direction away from the notch portion 16, and the wire rod 1 held in the pocket portion 17 is released, and the alignment stocker 25 is moved under its own weight.
It is configured to be dropped into a container.

The array stockers 25 are arranged in parallel at predetermined intervals along the lower conveyance path 12 of the parallel conveyor 5, and have a discharge gate 2 at the bottom discharge port.
6 is provided.

27 is arranged below the array stocker 25,
This is a feed roller that conveys the wire rods 1 discharged through the discharge gate 26 to the next processing step in an attitude in which they are arranged in a parallel state.

Next, the operation of the parallel conveyor device for arranging wire rods of the present invention having the above configuration will be explained.

The wire rods 1 stored in a stacked state in the feed stocker 2 are separated one by one by the separating and feeding device 4 and transferred to the upper conveyance path 1 of the parallel conveyor 5 which is running.
They are discharged onto the carrier units 13 located at 1, and are locked and held in each carrier unit 13 individually and in parallel with each other. In this case, the first
The wire rods 1 discharged from the feed stocker 2 arranged on the left side of the figure are held in place by every other moving carrier unit 13, and then discharged from the feed stocker 2 on the right side to the empty carrier unit 13. The wire rod 1 to be held is locked and held. With such a configuration, it is easy to increase the speed of parallel conveyance by the conveyor 5.

The wire rods 1 held in place by each carrier unit 13 as described above are moved to the lower conveyance path 12 by the carrier unit 13 and transferred to the designated array stocker 2.
At the same time as reaching the top of 5, carrier unit 1
3 and thrown into the array stocker 25. When the wire rods 1 are fed into all of the designated array stockers 25, the discharge gates 26 are opened all at once, and each wire rod 1 falls onto the feed roller 4, where the wire rods 1 are placed at regular intervals in the lateral direction by the feed roller 4. They are transported to the next processing step in a parallel arrangement.
On the other hand, the discharge gate 26 closes at the same time as the wire rod 1 falls, and returns to the receiving position for the next wire rod 1. Thereafter, the above operation is repeated.

Effects of the Invention Since the present invention has the above-described configuration, a large number of wire rods can be arranged in parallel at regular intervals laterally and automatically conveyed efficiently. Therefore, according to the present invention, it is possible to automate the process of conveying and arranging the main reinforcing wire rods described above at high speed.

[Brief explanation of the drawing]

Fig. 1 is a front view of the parallel conveyor device for arranging wire rods according to the present invention, Fig. 2 is a side view of the same, Fig. 3 is a front view of the carrier unit, and Fig. 4 is the 4th line shown in Fig. 3.
FIG. 5 is a front view showing the carrier unit in the released state. 2... Feeding stocker, 4... Separation feeding device,
5...Parallel transport conveyor, 10...Conveyor chain, 11...Upper transport route, 12...Lower transport route, 13...Carrier unit, 25...Array stocker, 26...Discharge gate.

Claims (1)

[Scope of Claim for Utility Model Registration] A feeding stocker that accommodates wire rods cut to a certain length and separates and discharges them one by one, and a conveyor that is disposed below the feeding stocker and extends approximately horizontally. a plurality of conveyor chains forming a surface; a large number of carrier units attached to the conveyor chain at predetermined intervals in the conveyance direction; and a plurality of carrier units disposed below the conveyor chain and extending along the lower conveyance path and array stockers arranged in parallel at predetermined intervals, and when the carrier unit moves along the upper conveyance path of the conveyor chain, the wire rods discharged from the feed stockers are individually and For wire rod arranging, the wire rods are gripped in parallel with each other and are provided with means for releasing the gripped wire rods at an arbitrarily designated position above the arranging stocker when moving along the lower conveyance path. Parallel conveyor.