CN214134249U

CN214134249U - Shearing blade and scrap steel shearing machine

Info

Publication number: CN214134249U
Application number: CN202022720843.2U
Authority: CN
Inventors: 龚佳兴; 李泽; 刘昌林
Original assignee: Changsha Zhongjin Intelligent Equipment Co ltd
Current assignee: Changsha Zhongjin Intelligent Equipment Co ltd
Priority date: 2020-11-21
Filing date: 2020-11-21
Publication date: 2021-09-07
Anticipated expiration: 2030-11-21

Abstract

The utility model provides a shear blade and steel scrap cutter relates to steel scrap cutter technical field, and this shear blade is monolithic structure, and this shear blade includes: the first end face and the second end face are oppositely arranged; a side shear edge surface is formed between the first end surface and the second end surface; the side shearing edge surface is a concave-convex bending surface formed by continuously and alternately arranging a vertical shearing edge surface and a horizontal shearing edge surface; the first end surface and the side shearing edge surface are intersected to form a bent shearing edge; the cutting edge comprises: the vertical shearing blade formed by the intersection of the vertical shearing blade surface and the first end surface and the transverse shearing blade formed by the intersection of the transverse shearing blade surface and the first end surface. Compare split type structure among the prior art, the shear blade of this application adopts monolithic structure, and the installation is more firm, and is difficult to not hard up and warp.

Description

Shearing blade and scrap steel shearing machine

Technical Field

The application relates to a scrap steel shearing machine technical field especially relates to a shear blade and scrap steel shearing machine.

Background

The shearing machine is suitable for metal recycling processing factories, scrapped automobile disassembly sites and smelting and casting industries, and is used for cold shearing and pressing flanging of profile steel and various metal materials in various shapes and pressing and forming of powdery products, plastics, glass fiber reinforced plastics, insulating materials and rubber. The most common of metal shears are the crocodile type and the gantry type.

The scrap steel shearing machine is provided with two blade assemblies, and materials are sheared through the relative movement of the two blade assemblies. For example, chinese patent 201310704426.0 discloses a stepped combined cutting edge, which is composed of an upper cutting edge and a lower cutting edge, wherein the upper cutting edge is concave-convex in front and rear, and the lower cutting edge is matched with the upper cutting edge. In the technical solution provided by this patent document, the lower cutting edge and the upper cutting edge are both formed by a plurality of parts, and are of a split structure. At present, the concave-convex shearing blade is composed of a plurality of split bodies, each split body of a split type structure needs to be independently installed, a single split body is not easy to install stably, the blade split bodies are easy to deform and loosen under stress, and the damage risk is large.

SUMMERY OF THE UTILITY MODEL

The technical problem that this application will solve lies in, to the above-mentioned not enough of prior art, provides a shear blade and steel scrap cutter.

This shear blade is monolithic structure, and this shear blade includes: the first end face and the second end face are oppositely arranged; a side shear edge surface is formed between the first end surface and the second end surface; the side shearing edge surface is a concave-convex bending surface formed by continuously and alternately arranging a vertical shearing edge surface and a horizontal shearing edge surface;

the first end surface and the side shearing edge surface are intersected to form a bent shearing edge; the cutting edge comprises: the vertical shearing blade formed by the intersection of the vertical shearing blade surface and the first end surface and the transverse shearing blade formed by the intersection of the transverse shearing blade surface and the first end surface.

Furthermore, a transition surface is arranged between the vertical shearing edge surface and the transverse shearing edge surface; the transition surface intersects the first end surface to form a transition cutting edge.

Further, the transition surface is a transition curved surface; the transition cutting edge formed by the intersection of the transition surface and the first end surface is a curved cutting edge.

Further, the transition surface is a circular arc surface; the transition cutting edge formed by the intersection of the transition surface and the first end surface is arc-shaped.

Further, the transition surface is formed by connecting a plurality of transition planes; the transition cutting edge formed by the intersection of the transition surface and the first end surface is composed of a plurality of straight line segments.

Furthermore, the transition surface is formed by connecting a plurality of planes and a plurality of curved surfaces; the transition cutting edge formed by the intersection of the transition surface and the first end surface is composed of a plurality of straight line sections and a plurality of curve sections.

Furthermore, a plurality of connecting holes penetrating through the first end face and the second end face are further formed in the shearing blade.

Furthermore, a connecting hole is arranged between adjacent vertical shear blade surfaces.

On the other hand, the application also provides a scrap steel shearing machine which is provided with a fixed blade and a movable blade for shearing materials through relative movement; the fixed blade and the movable blade are both the shearing blades provided above; wherein, the shearing edge position of the fixed blade corresponds in order to form the shearing line of unsmooth bending with the shearing edge position of movable blade.

Further, the scrap steel shearing machine is a horizontal scrap steel shearing machine.

The present application provides a shear blade for a scrap steel shear. The shearing blade is in a concave-convex bending shape and is provided with a concave-convex bending side shearing blade surface and a shearing blade edge. Compare split type structure among the prior art, the shear blade of this application adopts monolithic structure, and the installation is more firm, and is difficult to not hard up and warp.

In some refinements, a transition surface is provided between the vertical shearing edge face and the transverse shearing edge face. By providing a transition surface at the bend location, stress concentrations at the bend location may be reduced and the rate of wear at the bend location may be reduced.

Drawings

Fig. 1 is a schematic view of the structure of a shear blade in an embodiment of the present application.

Fig. 2 is another schematic view of the structure of the shear blade in the embodiment of the present application.

Fig. 3 is a schematic view of the mounting of the shear blade in an embodiment of the present application.

Fig. 4 is a schematic view of a transition surface of a shear blade in an embodiment of the present application.

Fig. 5 is a schematic view of a transition surface of a shear blade in an embodiment of the present application.

FIG. 6 is a schematic structural diagram of a shearing assembly of a scrap steel shearing machine in an embodiment of the present application.

Detailed Description

The following are specific embodiments of the present application and are further described with reference to the drawings, but the present application is not limited to these embodiments. In the following description, specific details such as specific configurations and components are provided only to help the embodiments of the present application be fully understood. Accordingly, it will be apparent to those skilled in the art that various changes and modifications may be made to the embodiments described herein without departing from the scope and spirit of the present application. In addition, descriptions of well-known functions and constructions are omitted for clarity and conciseness.

In addition, the embodiments and features of the embodiments in the present application may be combined with each other without conflict.

Referring to fig. 1 to 6, an embodiment of the present application proposes a shear blade which is a unitary structure including: a first end face 10 and a second end face 20 which are oppositely arranged; a side shear face 30 is formed between the first end face 10 and the second end face 20; the side shear blade surface 30 is a concave-convex bending surface formed by continuously and alternately forming a vertical shear blade surface 31 and a horizontal shear blade surface 32; the first end face 10 and the side shearing edge face 30 are intersected to form a bent shearing edge 40; the cutting edge 40 comprises: a vertical cutting edge 41 formed by the intersection of the vertical cutting edge face 31 and the first end face 10, and a lateral cutting edge 42 formed by the intersection of the lateral cutting edge face 32 and the first end face 10.

The embodiment of the application provides that the shearing blade is used for a scrap steel shearing machine. Referring to fig. 6, in some embodiments, a scrap shear includes a stationary blade 200 and a movable blade 100; the stationary blade 200 and the movable blade 100 are relatively moved to cut the material. When the scrap steel shearing machine is in operation, the side shearing edge face 30 of the fixed blade 200 is opposite to the side shearing edge face 30 of the movable blade 100. The moving blade 100 continuously reciprocates to shear the material in cooperation with the stationary blade 200.

The shearing blade provided by the embodiment of the application is applied to a scrap steel shearing machine, the shearing blade is provided with a concave-convex bending structure on the side shearing blade surface 30, and the shearing blade 40 formed by the intersection of the first end surface 10 and the side shearing blade surface 30 is also in a concave-convex bending shape. The concave-convex bending structure of the fixed blade 200 and the concave-convex bending structure of the movable blade 100 are staggered and opposite to each other to form a concave-convex bending shear line. In the prior art, such a cutting blade is usually configured as a plurality of separate bodies, and each cutting edge corresponds to one blade separate body, so as to form a concave-convex bending structure with a plurality of cutting edges. Each components of a whole that can function independently of split type structure all need install alone, and single components of a whole that can function independently is difficult to the installation firm, and blade components of a whole that can function independently atress is easy to be out of shape and not hard up, and the damage risk is big. The shear blade in the embodiment of the application is arranged to be of an integral structure, is more stable to mount, and is not easy to loosen and deform.

As shown in fig. 3, the second end face 20 is a mounting surface, and the second end face 20 faces a side of the mounting seat to abut against the mounting seat when mounted. Further, a plurality of connecting holes 50 penetrating the first end surface 10 and the second end surface 20 are formed in the cutting blade. The attachment holes 50 are used for the passage of attachment members to secure the shear blades to the mount. Further, the connecting holes 50 are arranged between the adjacent vertical shear edge surfaces 31, the parts of the shear blades between the adjacent vertical shear edge surfaces 31 are convex parts, and the arrangement of the connecting holes 50 in the convex parts can ensure that the shear blades are more reliably installed.

It should be noted that the integral blade may generate stress concentration at the bent position of the blade, which may adversely affect the blade and may cause the blade to crack in severe cases. In addition, the blade bending position of the integral blade is more susceptible to wear.

In the embodiment of the present application, a transition surface 33 is disposed between the vertical cutting edge surface 31 and the horizontal cutting edge surface 32; the intersection of the transition surface 33 and the first end face 10 forms a transition edge 43. The stress concentration at the bend where the vertical cutting edge face 31 and the horizontal cutting edge face 32 are connected can be reduced here by providing the transition surface 33. Furthermore, the transition surface 33 serves to make a smooth transition between the vertical shear edge surface 31 and the horizontal shear edge surface 32, avoiding the creation of too sharp transition angles, thereby reducing the wear rate at the transition location.

Referring to fig. 1 and 2, in some embodiments, transition surface 33 is a blend surface; the transition edge 43 formed by the intersection of the transition surface 33 and the first end surface 10 is a curvilinear edge.

In some embodiments, the transition surface 33 is a radiused surface; the transition edge 43 formed by the intersection of the transition surface 33 and the first end surface 10 is in the shape of a circular arc.

Referring to fig. 4, in some embodiments, transition surface 33 is formed by a plurality of transition planes 33a connected; the transition edge 43 formed by the intersection of the transition surface 33 and the first end surface 10 is formed by a plurality of straight line segments 43 a.

Referring to fig. 5, in some embodiments, the transition surface 33 is formed by a plurality of flat surfaces 33c and a plurality of curved surfaces 33b connected; the transition cutting edge 43 formed by the intersection of the transition surface 33 and the first end surface 10 is composed of a plurality of straight line segments 43c and a plurality of curved line segments 43 b. The cutting edge formed by the first end face 10 and the plane 33c is a straight line segment 43 c; the cutting edge formed by the first end face 10 and the curved surface 33b is a curved section 43 b.

Furthermore, in some embodiments, the transition surface 33 may also be a chamfered plane.

The embodiment of the application also provides a scrap steel shearing machine, which is provided with a fixed blade 100 and a movable blade 200 for shearing materials through relative motion; the fixed blade 100 and the movable blade 200 are both shearing blades as set forth in the above section; wherein, the cutting edge 40 of the fixed blade 100 corresponds to the cutting edge 40 of the movable blade 200 to form a concave-convex bent cutting line. Referring to fig. 6, the cutting edges of the stationary blade 100 and the movable blade 200 correspond in position, thereby forming a concave-convex bent cutting line. For a detailed description of the cutting blade, reference is made to the contents of the previous section, and the description is not repeated here.

In some embodiments, the scrap shears are horizontal scrap shears.

In the above embodiments of the present invention, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to the related descriptions of other embodiments.

In the description of the present application, it is to be understood that the terms "lateral," "vertical," and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The specific embodiments described herein are merely illustrative of the spirit of the application. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the present application as defined by the appended claims.

Claims

1. A cutting blade, characterized in that the cutting blade is of unitary construction, the cutting blade comprising: a first end face (10) and a second end face (20) which are oppositely arranged; a side shear face (30) is formed between the first end face (10) and the second end face (20); the side shearing edge surface (30) is a concave-convex bending surface formed by continuously and alternately a vertical shearing edge surface (31) and a transverse shearing edge surface (32);

the first end surface (10) and the side shearing edge surface (30) are intersected to form a bent shearing edge (40); the cutting edge (40) comprises: a vertical shearing cutting edge (41) formed by the intersection of the vertical shearing cutting edge surface (31) and the first end surface (10), and a transverse shearing cutting edge (42) formed by the intersection of the transverse shearing cutting edge surface (32) and the first end surface (10).

2. The cutting blade according to claim 1, characterized in that a transition surface (33) is provided between the vertical cutting edge face (31) and the lateral cutting edge face (32); the transition surface (33) and the first end surface (10) are intersected to form a transition cutting edge (43).

3. The shearing blade as recited in claim 2, characterized in that said transition surface (33) is a blend surface; the transition cutting edge (43) formed by the intersection of the transition surface (33) and the first end surface (10) is a curved cutting edge.

4. A shear blade according to claim 3, characterized in that the transition surface (33) is a circular arc-shaped surface; the transition cutting edge (43) formed by the intersection of the transition surface (33) and the first end surface (10) is arc-shaped.

5. A shear blade according to claim 2, characterized in that the transition surfaces (33) are connected by a plurality of transition planes; the transition cutting edge (43) formed by the intersection of the transition surface (33) and the first end surface (10) is composed of a plurality of straight line segments.

6. A shear blade according to claim 2, characterized in that the transition surfaces (33) are connected by flat surfaces and curved surfaces; the transition cutting edge (43) formed by the intersection of the transition surface (33) and the first end surface (10) is composed of a plurality of straight line sections and a plurality of curve sections.

7. A cutting blade according to claim 1, characterized in that a number of connection holes (50) are provided through the first end surface (10) and the second end surface (20) on the cutting blade.

8. The cutting blade according to claim 7, characterized in that a connecting hole (50) is arranged between adjacent vertical cutting faces (31).

9. A scrap shearing machine is characterized in that the scrap shearing machine is provided with a fixed blade (100) and a movable blade (200) which shear materials through relative movement; the stationary blade (100) or the movable blade (200) is a shearing blade according to any one of claims 1 to 5; wherein, the cutting edge (40) of the fixed blade (100) corresponds to the cutting edge (40) of the movable blade (200) in position to form a concave-convex bent cutting line.

10. A scrap steel shear according to claim 9, wherein the scrap steel shear is a horizontal scrap steel shear.