JPH02153B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an apparatus for removing oxidized slag and burrs from a flat product whose upper and lower surfaces are substantially parallel after gas cutting.

Conventionally, in gas cutting processing, in order to remove oxidized slag and burrs (hereinafter referred to as slag, etc.) attached to the area around the cut after gas cutting, it is necessary to remove them manually using a casting spatula or hand grinder, or to remove them manually using a casting spatula or hand grinder.
It is generally removed mechanically using a belt grinder or tumbler. However, the former manual method is both time consuming and physically tiring, and therefore inefficient. In addition, the latter method using a medium-belt grinder, which is a mechanical method, requires work to fix and remove the product from the grinder, as well as adjustment work for the grinding allowance, which is cumbersome, while the method using a tumbler requires work. This method removes slag etc. by colliding the products directly or through an anti-friction material in a rotating container, but this method is not only unreasonable to apply to flat products. In reality, these methods are impractical and are not used very often, as they can cause scratches due to collisions between products, significantly reducing product quality.

The present invention has been made in order to eliminate the above-mentioned drawbacks of the conventional technology, and for this purpose, the slag etc. removing device according to the present invention includes a substantially horizontal base, and a substantially horizontal base that is spaced apart along the longitudinal direction of the base. A plurality of shaft-supported lower rolls that are approximately parallel to each other, a support frame erected on the base, and a plurality of lower rolls that are spaced apart along the longitudinal direction of the base and that move toward and away from the corresponding lower rolls. A plurality of roll heads are resiliently supported to the supporting frame, and a plurality of roll heads are supported on each roll head so as to be spaced apart from each other along the longitudinal direction of the base, and are opposed to each other in parallel with the lower roll. It comprises parallel upper rolls and a driving means that rotates the opposing upper roll and lower roll at different speeds in the same direction, and the opposing upper roll and lower roll are respectively connected to a spline grooved roll and a roll with a spline groove on the product loading side. It includes a suitable number of spiral grooved rolls following this, and is configured to elastically clamp and convey a flat product whose top and bottom surfaces are approximately parallel to be processed between the upper roll and the lower roll. do.

In the present invention, a flat product is clamped between upper and lower rolls that are elastically supported, and the product is conveyed by the rotation of the rolls, and a difference in rotational speed is given to the upper and lower rolls. The product is rubbed by upper and lower rolls, and slag and the like can be removed from the product surface by the elastic clamping action of the rolls and the rubbing action. Since the upper rolls are arranged in a distributed manner over a plurality of roll heads, it is possible to prevent the product from playing inside the device and from rolling idly when the product is successively introduced between the upper and lower rolls. In addition, the opposing upper and lower rolls are each spline grooved rolls on the product loading side, followed by an appropriate number of spiral grooved rolls, so that the product can be reliably drawn into the device on the product loading side. Moreover, the slag and burrs pushed into the grooves of the spiral grooved roll are forcibly moved in a direction perpendicular to the product feeding direction or perpendicular to the lead angle of the groove due to the difference in rotational speed and flux of the upper and lower rolls, and are peeled off. Slag etc. can be removed from the product surface. Furthermore, since the flat product to be processed, whose upper and lower surfaces are substantially parallel, is elastically clamped and conveyed between the upper roll and the lower roll, the product can be conveyed continuously through the apparatus.

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

1 to 3 show an embodiment of the present invention,
The apparatus according to this embodiment generally includes a machine base 4 including legs 2, a plurality of lower steel rolls 6 spaced apart and pivoted on the machine base 4 along the length of the machine base, and a machine base 4. A plurality of roll heads 8a, 8 are spaced apart from each other along the longitudinal direction of the machine base 4 on the base and are elastically supported so as to approach and move away from the lower roll 6, respectively.
b, 8c, the same number of steel upper rolls 10 as the lower rolls which are pivotally supported by each roll head 8a, 8b, 8c and arranged opposite to the lower roll 6, and these lower rolls 6 and upper rolls 10 are different. It consists of motors 12 and 14 that provide a rotational speed of 1.

To attach the lower roll 6 to the machine base 4, a roll support 4b including a pair of left and right parallel side plates is fixed on the base 4a, and the roll surface is fixed between the parallel side plates of the roll support 4b. The lower roll 6 is pivoted so as to be slightly exposed on the support stand. One end of each lower roll 6 is a roll support base 4b
A sprocket 16 is attached to each of the extension parts (Figs. 2 and 3), and each sprocket 16 is connected by a common chain 17 (Fig. 2). There is. A rotational force is applied to the lower roll at the rearmost part of the machine base 4 by a motor 14 fixed to the machine base 4 via a sprocket 18 and a chain 20 (FIG. 1). are rotated by a motor 14 in the same direction and at the same speed. The lower roll 6 is the frontmost roll 6 of the machine base 4 for reasons to be described later.
a is a spline grooved roll with a plurality of axial grooves on the outer periphery of the roll, the intermediate roll 6b following the roll 6a is a spiral grooved roll with spiral grooves on the outer periphery of the roll, and It is desirable that the plurality (three in the figure) of the rolls 6c are straight rolls having a cylindrical outer periphery. Incidentally, an auxiliary roll 22 is provided between each roll to prevent the product from falling and to smoothly feed the product.

Each roll head 8a, 8 to the machine base 4
b, 8c are installed by installing a plurality of vertical supports 24 on the base 4a on both sides of the roll support 4b.
are erected apart from each other in the longitudinal direction of the base, and the upper ends of the columns 24 are connected to the longitudinal members 26 on each side of the roll support base 4b.
are connected to each other to form a support frame 27, and the longitudinal member 26 of the support frame 27 and each roll head 8a, 8
A compression spring 30 is interposed between the bracket 28 (FIG. 3) and the legs 28a on both sides of the bracket 28 (FIG. 3), which is fixed to the upper surface of the bracket 28 and the lower roll 6, so that the bracket 28 is fixed to the upper surface of the bracket 28 (FIG. 3) and is constantly pressed toward the lower roll 6. Machine base 4
installed on. Each roll head 8a, 8
b and 8c each include a pair of left and right parallel side plates that pivotally support a plurality of upper rolls 10, and one end of each upper roller 10 extends to the outside of one of the side plates similarly to the lower roller (Fig. 3). A sprocket 32 is attached to each of the extensions, and each sprocket 32
is a common chain 34 (second
(Figure). Each roll head 8
A rotational force is applied to the frontmost upper roll of the plurality of rolls 10 of a, 8b, and 8c by a motor 12 installed on a bracket 28 via a sprocket (not shown) and a chain 40. As a result, the upper roll 10 is rotated in the same direction and at the same speed for each roll head. By dividing the upper roll 10 into the roll heads 8a, 8b, and 8c in this way, the product can be continuously transferred to the upper and lower rolls 10.
When the product is charged between 0 and 6, it is possible to prevent play of the product inside the device and idle rotation of the rolls, and to make the rotational speed of the rolls different for each roll head, it is possible to further enhance the effect of peeling off slag, etc. Moreover, by pressing each roll head 8a, 8b, 8c downward by the compression spring 30 and pressing the upper roll 10 against the lower roll 6, the upper and lower rolls 10, 6
It is possible to crush slag and burrs, increase the peeling force, and prevent the product from being fed.
Further, by utilizing the elasticity of the spring 30, it becomes unnecessary to adjust the height of the roll heads 8a, 8b, 8c within the elastic range. For products that exceed the expansion and contraction range of the compression spring 30, the roll heads 8a, 8b, 8
the longitudinal member 26 so that the height position of c can be adjusted.
A receiving plate 42 that can support the upper end of the spring 30 is provided on the lower surface side.
The receiving plate is adjustable and fixed to the longitudinal member 26 by bolts and nuts so that its height position relative to the longitudinal member 26 can be changed. In addition,
As shown, the pair of left and right receiving plates 42 are interconnected by a horizontal member 44 (FIG. 2) in order to reinforce the support frame 27. The roll heads 8a, 8b,
For the reason described later, the upper roller 10 supported by the upper roller 8c is a roll with a spline groove to match the lower roll, and the roll 10a at the front end of the roll head 8a at the frontmost position of the machine base is a roll with a spline groove. It is desirable that the rolls in the middle roll head 8b be spirally grooved rolls 10b, and that the rolls 10c in the rearmost roll head 8c be straight rolls to match the lower rolls.

A product conveyor 46 is installed on the front of the device at the same height as the lower roll 6, so that products discharged from a gas cutting device (not shown) are automatically fed into the device. . Also,
A shooter 48 is installed at the rear of the device to automatically send processed products to a product transport box.

Next, to describe the operation of the apparatus of the present invention, when the product carried by the product conveyor 46 is pushed between the upper and lower rolls 10a and 6a at the frontmost part of the apparatus, which are rolls with spline grooves, the upper and lower rolls 10a, Slags and burrs that are sandwiched between the outer peripheral surfaces of the rolls 6a and fed into the apparatus and pushed into the spline grooves of the rolls by the compressive force of the springs 30 are peeled off from the product due to the difference in rotational speed between the upper and lower rolls 10a and 6a. Spline grooved roll 1
The product that has passed through the rollers 0a and 6a is drawn in by the upper and lower adjacent spiral grooved rolls 10b and 6b, and is then sequentially sent out between the following spiral grooved rolls 10b and 6b. Product is spiral grooved roll 10
Each time the product passes through b and 6b, the slag and burrs attached to the product are pushed into the spiral groove by the compressive force of the spring 30, and the slag and burr pushed into the groove are removed due to the difference in the degree of rotation between the upper and lower rolls. The product is forcibly moved in a direction perpendicular to the product feeding direction or perpendicular to the lead angle of the groove and peeled off. Spiral grooved roll 10
The product that has passed through the rollers b and 6b is then corrected for distortion by the upper and lower straight rolls 10c and 6c in the same manner as a roll leveler, and is then automatically placed into a product transport box (not shown) by a shooter 48. and the work is completed.

In the above embodiment, the upper and lower rolls are made of steel, but other materials may be used as long as the rolls have sufficient strength and durability. In addition, in the example device, the rolls are driven using a chain and sprocket mechanism, but by using a gear drive, power transmission can be made more reliably and smoothly, and furthermore, the gear ratio can be adjusted using a common motor. The number of motors can be reduced by obtaining driving force by changing the number of motors. Furthermore, although the example device uses bolts and nuts to adjust the gap or pressure between the upper and lower rolls, an automatic hydraulic adjustment mechanism automatically raises and lowers the roll head to control changes in product thickness and set pressure. It can automatically respond to changes. Furthermore, by additionally equipping the embodiment apparatus with a roll leveler mechanism, a grinding roll, a wire brush roll, etc., higher quality processing can be performed.

As described above, according to the present invention, slag and burrs can be quickly removed from products after gas cutting, mechanically and automatically without physical fatigue, and the work is simple and easy. It is possible to obtain a slag etc. removal device that can be applied to flat products without the risk of significantly impairing product quality.

[Brief explanation of drawings]

FIG. 1 is a partially cutaway front view of a device according to an embodiment of the present invention, FIG. 2 is a partially cutaway plan view of the same, and FIG. 3 is along the arrow line - in FIG. FIG. 3 is a partially broken sectional view. 4...Base, 6...Lower roll, 6a, 10
a... Spline grooved roll, 6b, 10b...
Spiral grooved roll, 6c, 10c... straight roll, 10... upper roll, 12, 14... motor, 46... product conveyor, 48... shooter.

Claims (1)

[Claims] 1. A substantially horizontal base, a plurality of substantially parallel lower rolls spaced apart along the longitudinal direction of the base and pivotally supported substantially horizontally, and a plurality of lower rolls erected on the base. a plurality of roll heads arranged on the base at intervals along the longitudinal direction of the base and resiliently supported on the support frame so as to approach and move away from the corresponding lower roll; A plurality of mutually substantially parallel upper rolls are supported so as to be spaced apart from each other along the direction and are arranged substantially parallel to and opposite to the lower roll; The opposing upper and lower rolls each include a spline grooved roll on the product inlet side and an appropriate number of spiral grooved rolls following this, and the processing is carried out between the upper roll and the lower roll. A slag removal device that elastically clamps and conveys a flat product whose top and bottom surfaces are approximately parallel. 2. The upper rolls are connected in series through a chain sprocket or gear for each roll head to be connected to the driving means, and the lower rolls are connected in series through a chain sprocket or gear to the driving means for the upper roll. 2. The device of claim 1, wherein the device is connected to drive means different from the device. 3. The device of item 1, in which the upper roll and the lower roll each include a straight roll on the product delivery side. 4. The device according to item 1, in which a product conveyor is installed on the product delivery side at the same height as the lower roll. 5. The device described in paragraph 1, which is equipped with a shooter for receiving processed products on the product delivery side.