A multi-edged scraper blade for a casting deburring machine

Abstract

The present invention discloses a multi-blade scraper for a casting blank deburring machine, which relates to the technical field of slab continuous casting machinery and equipment, comprising a blade body, a first main cutting edge and a second main cutting edge are respectively provided on both sides of the blade body, a plurality of first secondary cutting edges and a plurality of second secondary cutting edges are provided on the upper surface of the blade body, the plurality of first secondary cutting edges are arranged on a side away from the first main cutting edge, the plurality of second secondary cutting edges are arranged on a side away from the second main cutting edge, the inclination directions of the cutting edges of the plurality of first secondary cutting edges are all the same as the inclination directions of the cutting edges of the first main cutting edges, and the inclination directions of the cutting edges of the plurality of second secondary cutting edges are all the same as the inclination directions of the cutting edges of the second main cutting edges. When the present invention is in use, the burr is contacted with the main cutting edge, so the burr can be scraped for the first time, and then the burr is scraped multiple times by the plurality of secondary cutting edges. Since the secondary cutting edges are away from the main cutting edges, the blade body can be more fitted to the arc surface of the slab, thereby effectively removing fine burrs.

Description

Technical Field

[0001] The invention relates to the technical field of slab continuous casting mechanical equipment, in particular to a multi-edge scraper blade for a slab deburring machine. Background Art

[0002] In slab continuous casting lines, flame cutting is commonly used to cut slabs into fixed lengths. Iron oxide and molten steel generated during slab cutting adhere to the underside of the cut edge and are carried along with the slab into the finishing rolling area, impacting the quality of the hot-rolled steel. To improve slab surface quality and reduce manual cleaning, existing slab continuous casting lines are equipped with deburring machines, with scrapers being the primary component used to remove burrs.

[0003] For example, the invention patent with announcement number CN204866608U discloses a serrated slab scraper assembly, which includes a scraper body, and a zigzag blade surface is provided on both sides of the scraper body. The scraper body includes one or more slab scrapers and a mounting plate. The slab scrapers are arranged and mounted on the mounting plate by screws. The slab scrapers are provided with blades on both sides, and the front angle of the blades is 10°±1°. The blades are arranged to form the blade surface. The beneficial effects of this utility model are: the zigzag blade surface is provided on both sides of the scraper body, which effectively improves the effect of the scraper in deburring steel slag. The slab scrapers are arranged and mounted on the mounting plate by screws, which is firmly installed and easy to replace. The front angle of the blade is 10°±1°. Compared with the prior art, the front angle is reduced by 20°, the blade strength is greatly improved, and the problem of blade chipping is effectively avoided.

[0004] At present, slab deburring machines that use discs, straight scrapers, and toothed scrapers generally use the cutting edges at the front and rear ends of the blade to cut burrs when scraping burrs. Each time the deburring action is completed, the blade completes a cut on the burr. Sometimes the burr cannot be separated from the slab after cutting, which reduces the burr removal rate and affects the next process. If multiple scraping operations are used, the deburring time will be extended and the use effect will be poor. Summary of the Invention

[0005] In view of the deficiencies of the prior art, the present invention provides a multi-edge scraper blade for a billet deburring machine, which solves the technical problem that the prior scraper has a poor burr cleaning effect.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a multi-blade scraper blade for a casting deburring machine, comprising a blade body, a first main cutting edge and a second main cutting edge are respectively provided on both sides of the blade body, the first main cutting edge and the second main cutting edge are both convex, and a plurality of first secondary cutting edges and a plurality of second secondary cutting edges are provided on the upper surface of the blade body, the plurality of first secondary cutting edges are arranged on the side away from the first main cutting edge, and the plurality of second secondary cutting edges are arranged on the side away from the second main cutting edge, the inclination direction of the cutting edge of the plurality of first secondary cutting edges is the same as the inclination direction of the cutting edge of the first main cutting edge, and the inclination direction of the cutting edge of the plurality of second secondary cutting edges is the same as the inclination direction of the cutting edge of the second main cutting edge.

[0007] Preferably, the protrusions of the first main cutting edge and the second main cutting edge are wavy.

[0008] Preferably, the protrusions of the first main cutting edge and the second main cutting edge are triangular.

[0009] Preferably, a pair of countersunk bolt holes are provided on the cutter body.

[0010] Preferably, a positioning groove is provided at the bottom of the blade body.

[0011] Beneficial effects

[0012] The present invention provides a multi-edge scraper blade for a casting blank deburring machine, which has the following beneficial effects:

[0013] 1. When the slab moves, the burr contacts the main cutting edge, and the burr can be scraped for the first time. Then, the burr is scraped multiple times by multiple secondary cutting edges, which improves the scraping effect of the burr and effectively removes small burrs. There is no need to move the slab multiple times to achieve multiple scraping of the burr.

[0014] 2. Since the secondary cutting edge is far away from the main cutting edge, when the secondary cutting edge contacts the burr, the contact length between the cutter body and the slab becomes shorter. At this time, the cutter body can fit the arc surface of the slab better, thereby improving the scraping effect of the burr. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 The present invention is a three-dimensional Figure 1 ;

[0016] Figure 2 The present invention is a three-dimensional Figure 2 ;

[0017] Figure 3 is a cross-sectional view of the present invention;

[0018] Figure 4 The state of the present invention during scraping Figure 1;

[0019] Figure 5 The state of the present invention during scraping Figure 2 ;

[0020] Figure 6 This is a comparison diagram when the secondary cutting edge is close to the main cutting edge.

[0021] In the figure: 1. cutter body; 2. first main cutting edge; 3. second main cutting edge; 4. second secondary cutting edge; 5. first secondary cutting edge; 6. countersunk bolt hole; 7. positioning groove. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0023] See also Figure 1-6 The present invention provides a technical solution: a multi-blade scraper blade for a casting deburring machine, comprising a blade body 1, a first main cutting edge 2 and a second main cutting edge 3 are respectively provided on both sides of the blade body 1, the first main cutting edge 2 and the second main cutting edge 3 are both convex, and a plurality of first secondary cutting edges 5 and a plurality of second secondary cutting edges 4 are provided on the upper surface of the blade body 1, the plurality of first secondary cutting edges 5 are arranged on the side away from the first main cutting edge 2, and the plurality of second secondary cutting edges 4 are arranged on the side away from the second main cutting edge 3, the inclination direction of the cutting edges of the plurality of first secondary cutting edges 5 are the same as the inclination direction of the cutting edges of the first main cutting edge 2, and the inclination direction of the cutting edges of the plurality of second secondary cutting edges 4 are the same as the inclination direction of the cutting edges of the second main cutting edge 3.

[0024] See also Figure 4 In this embodiment, when the slab moves to the left, the burrs on the slab are initially scraped off by the second main cutting edge 3. Figure 5 , multiple scraping of burrs is achieved through multiple second secondary cutting edges 4, see Figure 6 In contrast, since the second secondary cutting edge 4 is away from the second main cutting edge 3, when the second secondary cutting edge 4 contacts the burr, the contact length between the cutter body 1 and the slab becomes shorter. At this time, the cutter body 1 can fit the curved surface of the slab better, improving the burr scraping effect. Figure 6 If the second secondary cutting edge 4 is arranged close to the second main cutting edge 3, the contact length between the cutter body 1 and the slab is long, and the second secondary cutting edge 4 is difficult to scrape off the burrs.

[0025] As an embodiment of the present invention, the protrusions of the first main cutting edge 2 and the second main cutting edge 3 are wavy.

[0026] In this embodiment, the projections of the main cutting edge are wavy in shape, so that the cutting edge can contact the burr in an inclined manner.

[0027] As an embodiment of the present invention, the protrusions of the first main cutting edge 2 and the second main cutting edge 3 are triangular.

[0028] In this embodiment, the protrusion of the main cutting edge is triangular, so that the cutting edge can contact the burr in an inclined manner.

[0029] As an embodiment of the present invention, a pair of countersunk bolt holes 6 are provided on the cutter body 1 .

[0030] In this embodiment, the cutter body 1 is connected to the cutter seat by placing a countersunk screw in the countersunk bolt hole 6 .

[0031] As an embodiment of the present invention, a positioning groove 7 is provided at the bottom of the blade body 1 .

[0032] In this embodiment, the connection accuracy between the blade body 1 and the blade seat is improved by the positioning groove 7 .

[0033] The working principle and usage process of the present invention are as follows: when in use, several cutter bodies 1 are fixed on the cutter seat in sequence. When the slab moves to the left, the burrs come into contact with the first main cutting edge 3, and the burrs can be scraped for the first time. Then, the burrs are scraped multiple times by multiple second auxiliary cutting edges 4, thereby improving the scraping effect of the burrs and effectively removing small burrs; when the slab moves to the right, the burrs are scraped by the first main cutting edge 2 and the first auxiliary cutting edge 5, thereby achieving the scraping of the burrs on the other end of the slab.

[0034] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A multi-edge scraper blade for a billet deburring machine, characterized in that: The present invention comprises a knife body (1), wherein a first main cutting edge (2) and a second main cutting edge (3) are respectively provided on both sides of the knife body (1), wherein the first main cutting edge (2) and the second main cutting edge (3) are both convex; a plurality of first secondary cutting edges (5) and a plurality of second secondary cutting edges (4) are provided on the upper surface of the knife body (1); the plurality of first secondary cutting edges (5) are arranged on a side away from the first main cutting edge (2); the plurality of second secondary cutting edges (4) are arranged on a side away from the second main cutting edge (3); the inclination direction of the cutting edges of the plurality of first secondary cutting edges (5) is the same as the inclination direction of the cutting edges of the first main cutting edge (2); the inclination direction of the cutting edges of the plurality of second secondary cutting edges (4) is the same as the inclination direction of the cutting edges of the second main cutting edge (3); a pair of countersunk bolt holes (6) are provided on the knife body (1), and a positioning groove (7) is provided at the bottom of the knife body (1).

2. The multi-edge scraper blade for a casting deburring machine according to claim 1, characterized in that: The convex shapes of the first main cutting edge (2) and the second main cutting edge (3) are wavy.

3. The multi-edge scraper blade for a casting deburring machine according to claim 1, characterized in that: The protrusions of the first main cutting edge (2) and the second main cutting edge (3) are triangular.

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