JPS60127939A - Work taking-out device - Google Patents

Abstract

PURPOSE:To make it possible to take out only the upper works smoothly, from stacks of works which are conveyed abreast, and make it possible to convey several rows of the stacks of works, by fixing clicks on a moving body of a sending apparatus, which crosses a transferring conveyer and moves laterally toward a receiving device. CONSTITUTION:Stacks of works S1, S2 are carried in, laid on a transferring conveyer side by side, the appropriate interval between them is kept by an inner guide apparatus 17, and the lower works Wb, Wd stop at the position of a receiving device 3, as they slidingly touch the inner guide apparatus and an outer guide apparatus, respectively. Then, at first, a click 4 of a laterally sending apparatus, which precedently advances, pushes out one end (b) of the work Wa, and shifts it laterablly as placing the work Wb under the other end (c) of the work Wa. Next, at the same time as the end (b) of the work Wa is mounted on the work Wd, one end (b) or the upper work Wc is pushed out. Thirdly, the end (c) of the work Wa is pushed out by the other click 5, and the upper works Wa, Wc are sent to the receiving device 3, as they are slanted.

Description

[Detailed Description of the Invention] [Technical Field] The present invention provides a method for processing workpieces that are piled up and transported in parallel.
This invention relates to a workpiece retrieval device that can take out only the upper workpiece.

(Background Art) When taking out only the upper workpiece by laterally shifting only the upper workpiece from plate-shaped workpieces that are conveyed side by side in parallel, for example stacked vertically, when one of the upper workpieces is simply shifted laterally in parallel with the lower workpiece, , the inner edge of the workpiece hanging down due to the inclination of the workpiece on the core interferes with the workpiece below the adjacent workpiece, making it difficult to take out the workpiece smoothly.Especially when there is a relatively large gap between the workpieces being fed in parallel, one side The amount of sagging of the work on top of the workpiece increases, making it even more difficult to take it out.Furthermore, when the workpiece is made of wood, etc., the workpiece on top of the workpiece is curved upward in a convex manner, as shown by the dashed line in Fig. 2. When the workpiece is being conveyed in parallel, the inner edge a thereof is likely to interfere with the workpiece W below which is being conveyed in parallel.

Therefore, conventionally, such double-stacked workpieces were fed in single rows, resulting in poor delivery efficiency and poor productivity. Father's workpiece W is also taken out using a vacuum suction tool, but the equipment cost and
In addition to increasing operating costs, it also causes falling accidents and is also inferior in work efficiency.

[Purpose of the invention]

The present invention is based on the fact that the upper workpiece is moved diagonally and sideways using a claw piece, and only the upper workpiece can be taken out smoothly and efficiently from the workpieces that are being fed in parallel.
The object of the present invention is to provide a workpiece retrieval device that can solve the above problems.

[Disclosure of the invention]

Hereinafter, the workpiece take-out device 1 of the present invention has a workpiece Wa above and below.
- Stacked body S1 in which Wb is stacked, and works WC, V/
Taking as an example a case in which the d-Q stack S2 is conveyed in parallel and the clay works Wa and Wc are taken out, one embodiment will be described based on the drawings.

The manorial W (generally referred to as work W) is I'; fl, ? 2 up and down with a band saw etc. from J-ri
Sheet? ; Forms a woody board shape.

The workpiece take-out device 1 includes a receiving device W1.3 installed on the side of the conveyor 2 that conveys the stacked bodies S1, S2÷・ in parallel,
Further, a lateral feeder 6 is provided which has claw pieces 4.5 that come into contact only with the workpieces Wa and Wc of I-.

In this embodiment, the transport conveyor 2 is a roller conveyor in which driving rollers 14- are arranged between an intermediate plate 11 and side plates 12 and 13 disposed on both sides of the intermediate plate 11. In addition, an outer guide 1 is provided on the side plate 13.
9 is provided protrudingly.

The middle guide tool 17 is a long body having an F-shaped cross section, and its side surface can be used as a base circle for the lower side surfaces of the lower works Wb and Wd. In the text guide tool 17, a triangular guide portion 20 with a sharp tip is formed on the upstream side of the conveyor 2.

The outer guide tool 19 is an elongated body having almost the same length as the inner guide tool 7, and the stacked body S2 can pass between its side surface and the opposite side surface of the inner guide tool 17. 19 is
It contacts only the lower side surface of the lower workpiece Wd. Further, at the tip thereof, a guide portion 21 is provided which is cut off obliquely outward toward the upstream side of the conveyor 2.

In this example, the receiving device 3 includes a guide plate 23 projecting outward from the outer guide tool 19, an output conveyor 24 using a belt conveyor, and a connecting plate 25, 25 communicating therebetween.
It consists of

The guide plate 23 is provided with projecting pieces 27- whose outer end upper surfaces are arcuate on both sides and the center of the base plate 2G attached to the outer guide part 19, and the joint plates 25. A movable part 31.31 that moves up and down at the discontinuous part 3O130 of the carry-out conveyor 24 is pivotally supported at the lower end of the fixed part 29 whose upper end is located inside the protruding piece 27.27. Note that the movable part 31 includes
By raising the piece 32 upright, and by means of a cylinder 33 disposed between it and the floorboard, it can be moved in and out from the upper surface of the string conveyor 24.

Above the receiving device 3 and the transport conveyor 2, the transverse feeder 6 is provided.

The cross-feeding tool 6 consists of two pairs of columns 34.34.35 which are located on the outer surface of the side plate 12.13 and which face each other with the receiving device 3 in between.
．． The rack is equipped with rotating bodies 40, 40, 41, 41 such as chain wheels fixed to a drive shaft 36 and a wave axis 37 which are passed between the 35 and 35 at intervals equal to or less than the length of the workpiece W, and each of the rotating bodies facing each other 40.41 each has a chain, for example? a, wrap the endless string 7.9 which is 9a. In addition, the endless chain 7.9 has its lower stop line parallel to the upper surface of the conveyor 2 and above the side plate 12 as a starting point for moving bodies 7b and 9b that move across the conveyor 2 toward the receiving device 3. Configure.

The endless strings 7.9 or chains 7a, 9a are provided with claws 4.5 extending from their outer links, as schematically shown in FIG. Claw piece 4.5, chain 7a.

A protrusion 41 is provided at the bottom of the hanging part 42 hanging down from the outer link 9a at a rear position in the moving direction, and the protrusion 41 travels at a position where it contacts only the upper workpieces Wa and Wc.

Note that the lower surface 42a of the hanging portion 42 is notched diagonally upward in the moving direction to prevent interference with the upper surface even when the workpiece W curves upward as shown by the dashed line.

Furthermore, the claw pieces 4 and 5 are attached to each movable body 7b, 9b according to the width dimension of the inner guide tool 1'7, that is, in this example, the stacked body S1,
They are arranged so as to be laterally shifted by a gap equal to or larger than the gap S2, for example, about 1.5 to 2.5 times the gap.

The slightly stacked bodies s1 and s2 carried side by side on the conveyor 2 from the upstream side are separated by an appropriate gap by the middle guide tool 17, and the lower works wb and wC are respectively separated by the middle guide tool 17.
, and stops at the position of the receiving device 3 while slidingly contacting the outer guide tool 19. Also, the leading claw piece 4 of the lateral feeder 6 first pushes one side of the workpiece Wa 142, thereby moving the other end C to the workpiece wb as schematically shown in FIG. 3. The one end l) is drawn and shifted while it is kept in position, and the one end l) is straddled over the work Wd, and at the same time, the one end l) of the soil work Wc is pushed out. However, the delayed claw piece 5 is attached to the other part 1 of the workpiece Wa.
While tilting it diagonally by extruding Ill c,
- Send out the works Wa, Wr to the receiving device 3.

Note that the receiving device 3 is transferred onto the movable portion 31 of the splicing plate 25, and transferred to the carry-out conveyor 24-1- by lowering the receiving device 3.

Therefore, the workpiece Wa can have one end straddle the adjacent lower workpiece Wd while the other end C is even above the lower workpiece wb, thereby smoothing the side-slip movement, and
It becomes easy to take out the upper works Wa and Wc.

In addition, in the workpiece take-out device of the present invention, it is also possible to transport multiple rows of stacked bodies S1, S2- in parallel, and to take out the upper workpieces from the stacked bodies S1, S2- in which three or more workpieces are stacked. can also be configured. Further, it can be formed so that a plurality of works positioned above can be taken out as upper works. Furthermore, the workpiece retrieval device of the present invention can be used in various embodiments, such as the cross-feeding tool 6 can be formed using a rope, a belt, etc. in addition to a chain, and the movable bodies 7b and 9b are configured with reciprocating cylinders. It can be transformed into.

〔Effect of the invention〕

In this way, the workpiece take-out device of the present invention can smoothly take out the upper workpiece from a stack of works that are being fed in parallel, and it is possible to transfer multiple rows of the stack, making it possible to streamline the workpiece feeding operation. At the same time, it can bring about many effects, such as making the work in the next process more convenient.

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing an embodiment of the present invention, FIG. 2 is a partial front view illustrating a claw piece, and FIG. 3 is a line diagram showing its function. 2-Conveyance: 1 conveyor, 3-receiving device, 4.5-claw piece, 6-transverse feeder, 7.9-endless chain, 7a, 9a-chain, 7b, 9
b-mobile, W,, Wa, Wb, Wc,, Wd-work, 5iS2-
One stack. Patent applicant Nasimonal Housing Industry Co., Ltd. Agent Patent attorney Tadashi Nae Toshi

Claims (1)

[Scope of Claims] +1) A receiving device is installed on the side of a conveyor that vertically conveys a plurality of plate-shaped works stacked vertically in parallel, and claw pieces are respectively attached to cross the conveyor and receive the workpieces. A workpiece pick-up device equipped with a horizontal feeder. (2) The workpiece retrieval device according to claim 1, wherein the movable body is formed using an endless chain. (3) The workpiece retrieval device rf according to claim 2, wherein the endless chain is a chain! .