JPH0715603Y2 - Deburring device for steel strip - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Technical Field] The present invention relates to a deburring device, and more particularly to a strip steel for automatically treating burrs generated in a strip steel sheared to a required width from a steel plate. Deburring device.

[Prior Art] When a steel strip having a required width is sheared from a steel plate, burrs are unavoidable at each corner of the steel strip. It is necessary to remove this burr from the viewpoints of precision gauges, automobile parts, home electric appliances parts, parts performance, etc., and also from the viewpoint of worker's safety.

In order to remove burrs at each corner of this strip steel, it is conventionally cut with a carbide tool, files are provided in two vertical rows and removed by passing between the files, or pressing with bearing steel. A method in which molding is repeated and crushed (so-called round processing), a method in which polishing is performed, a treatment with a wire brush, a treatment with a paper file, a treatment with rolls, and the like are performed.

[Problems to be solved by the invention] However, cutting with a carbide tool requires advanced technology, wear is inevitable, and in a device that repeats with bearing steel, maintenance is constantly required due to wear. Therefore, the cost becomes high, the mechanical equipment is complicated in the polishing method, and even this method requires advanced technology due to wear, the cost is inevitable, and the wire brush processing method makes It is impossible to implement because it will hurt,
Since the method using a paper file requires a lot of labor, this method also becomes costly, and the method using a roll is unsuitable for mass production because it is rolled by a roll or the like but is deformed or wrinkled. .

In particular, when a steel band having a required width is sheared from a roll-shaped steel plate and transferred to a pickling process as a pretreatment for the next plating process, the work is extremely difficult because the process is limited.

[Means for Solving the Problem] In order to eliminate the above-mentioned various defects, the present invention is to fix an upper base to the center of a required lower base and to vertically project the stat in the center of the upper base. A bolt; a first driven rotary shaft that is rotatably fitted in a through hole formed in the lateral center of the frame; a step portion on the inner side facing each other, and both ends of the first driven rotary shaft A pair of first bearing rollers that are fixed in the axial direction by outer spacer rollers, which are provided at regular intervals via spacers, and the inner bearing roller is movable in the axial direction; An arm vertically movable on the upper part of the frame; a second driven rotary shaft rotatably fitted in a through hole formed in the lateral center of the arm; And the screws near both ends of the second driven rotary shaft. An outer bearing roller, which is provided at regular intervals via a pacer, is fixed in the axial direction, an inner bearing roller is axially movable, and is provided in rotatably contact with the pair of first bearing rollers. And a pair of second bearing rollers forming a gap for forcibly press-running a required strip steel having a required width and a thickness by the stepped portion with the first bearing roller; A coil spring that is fitted and is constantly pressed downward by a lock nut screwed onto the upper end of the stud bolt to press the pair of first and second bearing rollers against each other;
Approximately C at each corner of the gap formed by the bearing roller
A deburring device for a required steel strip, comprising a forming die surface, a substantially R forming die surface, or a forming surface having a shape in which a corner of a polygon is connected by a straight line.

[Structure] A strip steel deburring device 10 according to the present invention will be described with reference to an embodiment shown in the accompanying drawings.

In FIG. 1, an upper base 14 is fixed to the center of the required lower base 12, a frame 16 is fixed to the center of the upper base 14, and a screw is provided at the center of the upper surface of the frame 16. The lower end of a stud bolt 18 having the required length and diameter is screwed into the dowel hole 16a to vertically project the stud bolt.

A first driven rotary shaft 20 is rotatably fitted in a through hole 16b formed at a required lateral position of the frame 16.

An outer bearing roller 26 and an inner bearing roller 28 are provided near both ends of the first driven rotary shaft 20 and have step portions 26a and 28a, respectively, which form a gap 24, which will be described later, facing each other via a spacer 22. , The outer bearing roller 26 is axially fixed, the inner bearing roller 28 is axially movable, and lock nuts 30 are screwed onto both ends of the first driven rotary shaft 20 to form the outer side. The first bearing roller is contacted with the outside of the bearing roller 26.

The stud bolt 18 is passed through a through hole 32a formed at the center of the arm 32 in the vertical direction and guided to the upper portion of the frame 16 so that it can be moved up and down. The second driven rotary shaft 34 is rotatably fitted in the hole 32b.

An outer bearing roller 26 and an inner bearing roller 28 of the first driven rotary shaft 20 near both ends of the second driven rotary shaft 34.
At the location corresponding to and, the outer bearing roller 36 and the inner bearing roller 38 having the step portions 36a and 38a, respectively, which are opposed to each other via the spacer 22, are provided, and the outer bearing roller 36 is fixed in the axial direction, The inner bearing roller 38
Is movable in the axial direction, and lock nuts 30 are screwed on both ends of the second driven rotary shaft 34 to form the outer bearing roller.
Contact the outside of 36 to form the first bearing roller.

Therefore, in FIG. 3, a pair of upper and lower outer and inner bearing rollers 36, 38, 26, 28 form a substantially C-forming die surface at each corner of the gap 24 into which the steel strip 50 to be treated is inserted. 24a is formed.

A coil spring 40 is fitted to the stud bolt 18 on the upper part of the arm 32 so that the lower end of the spring contacts the arm, and then a lock nut 42 screwed to the stud bolt is fitted to the upper end of the spring. To press the spring downward at all times.

In the claim (2) of the utility model registration, as shown in FIG. 4, the gap 24 formed by the pair of upper and lower outer and inner bearing rollers 36, 38, 26, 28 is formed. A substantially R-shaped mold surface 24b is formed at each corner.

In the claim (3) of the utility model registration, as shown in FIG. 5, the gap 24 formed by the pair of upper and lower outer and inner bearing rollers 36, 38, 26, 28 is formed. A molding surface 24c having a shape in which polygonal corners such as 4, 6, 8, 10, and 12 polygons are connected by straight lines is formed at each corner.

Claims for utility model In claim (4), each pair of upper and lower outer and inner bearing rollers 36, 38, 2
Either one of 6 and 28 is axially movable, the spacers 22 and 22 are interchangeable with those requiring a required width, and the gaps 24 and 24 are adjustable.

Claims for utility model registration (5) In claim (5), a plurality of gaps (24, 24) are laterally passed as required.

Loosen the lock nut 42 and move the strip steel 50 to the left and right gaps 2
4 and 24, and then the upper and lower bearing rollers are set by the lock nut 42 to complete the preparation for pulling the steel strip.

There are various types of band steel depending on the width, thickness, etc., but conform to JIS G3141. If desired, the molding surface at the corner of the gap is selected to have a substantially C-shape, a substantially R-shape, or a polygonal shape. [Operation] In the deburring device 10 for the strip steel 50 having the above-mentioned configuration,
The tip of the strip steel 50 to be treated inserted in the gap 24 is gripped by a grip (not shown), and the grip is pulled by a driving device (not shown) at a predetermined speed.

[Effect] Since the steel strip 50 that has passed through the gap 24 is forcibly inserted into the gap 24 formed by the pair of upper and lower outer bearing rollers 26, 36 and the inner bearing rollers 26, 38, Since the entire surface of the strip steel is pressed and the burr generated in the strip steel when it is sheared to a required width from the steel plate is crushed, the burr can be processed quickly, safely, automatically and at low cost. .

In particular, as shown in FIGS. 3 to 8, since a substantially C-forming mold surface 24a, a substantially R-forming mold surface 24b, or a polygonal molding surface 24c is provided at each corner of the gap 24, these molding surfaces can be selected as required. For example, the treatment of burrs is extremely effective.

Further, since the spacer 22 can be easily replaced, the gap 24 can be adjusted according to the width of the strip steel 50.

[Brief description of drawings]

FIG. 1 is a partially cutaway front view of a strip steel deburring device according to the present invention, FIG. 2 is a schematic side view of FIG. 1, and FIG. FIG. 4 is a partially enlarged cross-sectional schematic view of a substantially R forming die surface of the gap according to claim (2), and FIG. 5 is a polygonal forming die surface of the gap according to claim (3). FIG. 6 is a partially enlarged schematic sectional view, FIG. 6 is an enlarged sectional schematic view showing a strip steel passing gap in FIG. 1, and FIG. 7 is a substantially C-shaped, a substantially R-shaped and a polygonal forming type at each corner of the strip steel passing gap. 8 is a partially enlarged cross-sectional schematic view showing a band steel passing gap formed with a surface.
The figure is a partially enlarged schematic sectional view of a strip steel. 10-deburring device; 12-lower base; 14-upper base; 16-frame; 16a-screw hole; 16b-through hole; 18 ---
Studs / bolts; 20 ... First driven shaft; 22 ... Spacer; 24 ... Gap 24; 24a ... C molding surface; 24b ... R molding surface; 24c ... Polygonal molding surface; 26 ...... Outer bearing roller; 26a …… Step; 28 …… Inner bearing roller; 28a
...... Steps; 30 ...... Lock nuts; 32 ...... Arms; 32a, 32b
...... Through hole; 34 …… Second driven rotary shaft; 36 …… Outer bearing roller; 38 …… Inner bearing roller; 40 …… Coil spring; 42 …… Lock nut; 50 …… Strip steel.

Claims (5)

[Scope of utility model registration request] 1. A stud bolt fixed to a center of a required lower base, the stud bolt vertically projecting from the center of a frame provided at the center of the upper base; A first driven rotary shaft that is rotatably fitted in a provided through hole; has a step portion on the inner side opposite to the first driven rotary shaft, and is provided at regular intervals via spacers near both ends of the first driven rotary shaft. The outer bearing roller is fixed in the axial direction, and the inner bearing
A pair of first bearing rollers that allow the rollers to move in the axial direction; an arm that is vertically movable on the upper portion of the frame by the stud bolt; and a transparent hole that is provided at the lateral center of the arm. A second driven rotary shaft that is rotatably fitted in the hole; outer bearings that have step portions on the inner side facing each other, and that are provided at regular intervals via spacers near both ends of the second driven rotary shaft. A roller fixed to the second driven rotation axis direction, an inner bearing roller movable in the second driven rotation axis direction, and rotatably contacted with the pair of first bearing rollers; A pair of second bearing rollers forming an interval for forcibly thickening running of a required strip steel having a required width and a thickness by the stepped portion of the first bearing roller; The stud A coil spring that is constantly pressed downward by a lock nut screwed to the upper end of the belt and presses the pair of first and second bearing rollers against each other; formed by the first and second bearing rollers A deburring device for required steel strip, characterized in that a substantially C-forming die surface is formed at each corner of the interval. 2. The required band according to claim (1), characterized in that a substantially R-forming surface is formed at each corner of the space formed by the first and second bearing rollers. Steel deburring device. 3. A utility model registration claim characterized in that a molding surface having a shape in which polygonal corners are connected by straight lines is provided at each corner of the interval formed by the first and second bearing rollers. A deburring device for required steel strip according to 1). 4. The one rotatable bearing roller is movable in the axial direction of the driven rotary shaft, the spacer is replaceable with a spacer having a required width, and the gap is adjustable. Claim for utility model registration (1)
A deburring device for the required strip steel according to the item. 5. The utility model registration claim (1), characterized in that the plurality of gaps are laterally passed as required.
The deburring device for the required strip steel according to (2), (3) and (4).