JPS5911372B2 - Manufacturing method for fences etc. - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing a fence, a panel lattice, or a partition material (hereinafter, these are collectively referred to as fences, etc.).

Conventionally, this type of fence is made by cutting pipe materials, bars, etc. to predetermined dimensions, forming a frame member by welding, and then arranging crosspiece members vertically and horizontally and welding them to the frame member. Manufactured using a method of sticking together.

That is, in the conventional method, the welding process occupies the majority of the entire process, which has the drawback of poor workability and the quality of welding being subject to variations due to differences in the ability of welding operators.

This invention was made in order to improve the above-mentioned conventional drawbacks, and is a manufacturing method for fences, etc., which enables automated manufacturing, improves work efficiency, and eliminates variations to improve quality. The purpose is to provide

Embodiments of this invention will be described below with reference to the drawings.

o In Fig. 1, reference numeral 1 denotes a commercially available rectangular regular plate material (for example, a steel plate), and the plate material 1 has long longitudinally sized plates arranged in parallel at regular intervals W in the width direction. long hole 2
.
2. Lateral support portions 4 and 5 are formed on both sides in the longitudinal direction.

Next, as shown in FIG.
, 6, 6 in tandem, and length) 0 holes 2, 2, 2.
Notches 7, □ which cut into the vertical beam parts 3, 3, 3 are formed on the extension line of both upper and lower ends of the plate material 1, and notches 8, 8 which cut into the vertical beam parts 3, 3, 3 from both sides of the plate material 1 are formed.

Subsequently, the space between the lateral strut portions 4 and 5 is bent in the thickness direction, for example 25, as shown in FIG.

That is, it is bent into an uneven shape along the bending lines X and X in FIG. Further, the side beams 4 and 5 are bent into closed cross-sectional shapes 10 and 10 as shown in FIG.
, 6, 6, as shown in FIG. 5 and FIG. , 11 are formed.

The fence manufactured by the method according to the present invention has a completely different feel from the fences manufactured using conventional pipe materials and rod materials.

In other words, although it is formed by the plate material 1, the strips 1 Since the rib-like protrusions 11, 11 are formed by bending at right angles to , the three-dimensional effect is enhanced and the rigidity is improved.

Furthermore, since the above-mentioned drilling and bending processes can all be performed by mechanical processing such as a press, workability is greatly improved and variations in quality are suppressed. Note that the space between the horizontal bars 4 and 5 is curved into an arc shape as shown in FIG. , 3, 3 at right angles to the plate thickness direction, rib-like protrusions 11a, 11a as shown in FIG. By bending the vertical beams 3, 3, 3, 3 at right angles to the thickness direction in the same way in the subsequent process, rib-like protrusions 11b, 11b as shown in FIG. 10 can be obtained. By bending the space between the horizontal bars 4 and 5 as shown in Figure 11, and similarly bending the vertical bars 3, 3, 3, 3 at right angles to the thickness direction in the subsequent process, the shape shown in Figure 12 is formed. rib-like protrusions 1
1c and 11c are obtained.

Note that the closed cross-sectional shapes 10, 10 are not limited to the shape shown in FIG. 4 above. As explained above, according to the present invention, automated manufacturing is possible, which greatly improves work efficiency, reduces costs, and provides high-quality products without variations.

[Brief explanation of the drawing]

Figure 1 is a front view showing the state in which long holes are drilled in the plate material, Figure 2
The figure is a front view showing a state in which a rectangular hole and a notch are bored in the vertical crosspiece, FIG. 3 is a side view showing an example of a curved line between both horizontal crosspieces, and FIG. FIG. 5 is a side view showing the cross-sectional shape, FIG. 5 is a front view showing a state in which a lip-like protrusion is formed, FIG. 6 is a side view of the same, and FIG. 8 is a front view showing a rib-like protrusion corresponding to FIG. 7, FIG. 9 is a side view showing another example in which the space between both horizontal beams is curved, and FIG. 9 is a front view showing a rib-like protrusion corresponding to FIG. 9, FIG. 11 is a side view showing yet another example in which both horizontal beams are curved, and FIG. 12 is a front view showing a rib-like protrusion corresponding to FIG. FIG. 1... Plate material, 2, 2, 2... Long hole, 3, 3, 3, 3
... Vertical bar section, 4, 5... Horizontal bar section, 6, 6, 6...
Rectangular hole, 7, 7, 8, 8...notch, 10, 10...
- Closed cross-sectional shape, 11, 11... rib-like protrusions.

Claims (1)

[Claims] 1. A step of forming a vertical ramming part and a lateral ramming part by drilling a plurality of elongated holes in the longitudinal direction arranged in parallel at regular intervals in the width direction of a board of a standard size, and the step of forming a vertical ramming part and a horizontal ramming part. A vertical row of rectangular holes are bored at regular intervals in the longitudinal direction in the center of the width direction of the board, and a notch is cut into the vertical beam part on the extension line of both ends of the long hole in the longitudinal direction, and a vertical beam part is formed from both ends of the plate material. a step of forming a notch that cuts into the side edge of the rectangular hole; a step of bending the space between the two side beams in the thickness direction; a step of bending the upper and lower side beams into a closed cross-section shape; 1. A method for manufacturing a fence, etc., comprising the step of bending a vertical rail part at right angles to the board thickness direction along an extension line of the board to form a rib-like protrusion.