CN215356388U

CN215356388U - Shearing cutter body for shearing machine and shearing machine

Info

Publication number: CN215356388U
Application number: CN202121595581.XU
Authority: CN
Inventors: 杨岱璋; 赵勇
Original assignee: Changsha Zhongjin Intelligent Equipment Co ltd
Current assignee: Changsha Zhongjin Intelligent Equipment Co ltd
Priority date: 2021-07-13
Filing date: 2021-07-13
Publication date: 2021-12-31
Anticipated expiration: 2031-07-13

Abstract

The utility model provides a shearing cutter body for a shearing machine and the shearing machine, which relate to the technical field of scrap steel shearing machines, and the shearing cutter body is provided with: first section shearing cutter body and second section shearing cutter body, and have the contained angle of buckling between first section shearing cutter body and the second section shearing cutter body, and include: the first section of the shearing cutter body and the second section of the shearing cutter body are provided with a lower surface and an upper surface which are opposite to each other in position along the extension direction of the shearing cutter body; a side shearing blade surface is formed between the lower surface and the upper surface, and a transition surface is formed on the side shearing blade surface at the transition position between the first section of shearing blade body and the second section of shearing blade body; the side shearing blade surface and the lower surface are intersected to form a shearing blade; the transition position of the shearing blade between the first section of the shearing blade body and the second section of the shearing blade body is provided with a transition blade. The technical scheme of this application can avoid producing sharp-pointed closed angle at the shearing cutter body transition position of buckling to the durability and the life of bending form shearing cutter body have been improved.

Description

Shearing cutter body for shearing machine and shearing machine

Technical Field

The application relates to a steel scrap cutter technical field especially relates to a shearing cutter body and cutter for cutter.

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, materials are sheared through the relative movement of the two blade assemblies, and the blade assemblies comprise fixed cutter assemblies and movable cutter assemblies. In some prior art solutions, the cutting edge of the blade assembly is configured as a curved, multi-segment linear edge. For example, chinese patent 201410117228.9 discloses a continuous edge crossbar composite shear. The shearing machine comprises a movable cutter component and a fixed cutter component, wherein the movable cutter component reciprocates along a guide rail under the driving of a hydraulic cylinder and is matched with the fixed cutter component to shear materials. The movable knife component comprises a movable knife holder and a movable knife arranged on the movable knife holder; the fixed cutter component comprises a fixed cutter seat and a fixed cutter arranged on the fixed cutter seat. For another example, chinese patent 202110108883.8 discloses a shearing assembly and a shearing machine, wherein the moving blade has a shearing edge formed by a transverse edge and a longitudinal edge and is step-shaped. In the above two prior arts, the shearing module is formed by multiple cutting edges and is bent. The shearing assembly of the shearing machine forms a sharp angle at the corner of the cutting edge, is very easy to damage, even falls off from the tipping edge, needs to be replaced when serious, and has higher use cost.

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 shearing cutter body and cutter for cutter.

The shear blade body has: first section shearing cutter body and second section shearing cutter body, and have the contained angle of buckling between first section shearing cutter body and the second section shearing cutter body, and include:

the first section of the shearing cutter body and the second section of the shearing cutter body are provided with a lower surface and an upper surface which are opposite to each other in position along the extension direction of the shearing cutter body;

a side shearing blade surface is formed between the lower surface and the upper surface, and a transition surface is formed on the side shearing blade surface at the transition position between the first section of shearing blade body and the second section of shearing blade body;

the side shearing blade surface and the lower surface are intersected to form a shearing blade; the transition position of the shearing blade between the first section of the shearing blade body and the second section of the shearing blade body is provided with a transition blade.

In some refinements, the transition surface is a transition curved surface; the transition cutting edge is a curve cutting edge.

In some refinements, the transition surface is a rounded surface; the transition cutting edge is a circular arc cutting edge.

In some refinements, the transition surface is a chamfered plane; the transition cutting edge is a linear cutting edge.

In some refinements, the transition surface is formed by a plurality of transition planes connected together; the transition cutting edge is composed of a plurality of straight line segments.

In some improvements, the transition surface is formed by connecting a plurality of planes and a plurality of curved surfaces; the transition cutting edge is composed of a plurality of straight line sections and a plurality of curve sections.

In some refinements, the side shear faces are located on the outside of the bends of the first and second shear blade bodies.

In some refinements, the side shear faces are located inside the bends of the first and second shear blade bodies.

On the other hand, the application provides a shearing machine which is provided with a movable cutter and a fixed cutter which can be matched with a shearing material; the movable knife and the fixed knife are both provided with bent cutting edges formed by a plurality of cutting edges; the movable cutter and/or the fixed cutter comprise the shearing cutter body for the shearing machine.

In some improvement schemes, the cutting edges of the movable knife and the fixed knife are concave-convex or step-shaped.

In this application, the shearing cutter body has first section shearing cutter body and second section shearing cutter body, and has the contained angle of buckling between first section shearing cutter body and the second section shearing cutter body. This application is provided with transition face and transition blade in first section shearing cutter body and second section shearing cutter body department of buckling, avoids making the transition position of buckling produce sharp-pointed closed angle to the durability and the life of the cutter body are cuted to the form of buckling have been improved.

Drawings

Fig. 1 is a schematic structural diagram of a shearing machine in an embodiment of the present application.

Fig. 2 is a schematic structural diagram of a shearing blade body for a shearing machine according to an embodiment of the present application.

Fig. 3 is another schematic structural diagram of a shearing blade body for a shearing machine according to an embodiment of the present application.

Fig. 4 is a schematic view of a transition position between the first shearing blade body and the second shearing blade body according to an embodiment of the present invention.

Fig. 5 is another schematic view of a transition between the first shear body and the second shear body in an embodiment of the present application.

Fig. 6 is a schematic structural view of the movable blade in the 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.

With reference to fig. 1-5, embodiments of the present application provide a shear body for a shear, the shear body having: the first shearing cutter body 10 and the second shearing cutter body 20 are provided with a bending included angle between the first shearing cutter body 10 and the second shearing cutter body 20.

Referring to fig. 1, the shearing machine referred to in the embodiment of the present application may be a gantry shearing machine, which is a mechanical apparatus for cutting a metal material, having a moving blade assembly 100 at an upper side and a fixed blade assembly 200 at a lower side; the movable blade assembly 100 can cut the material by cooperating with the stationary blade assembly 200 through the up-and-down movement. The movable knife assembly 100 comprises a movable knife base 110 and a movable knife 120 arranged on the movable knife base 110; the stationary blade assembly 200 includes a stationary blade holder 210 and a stationary blade 220 mounted on the stationary blade holder 210. The movable blade 120 and the fixed blade 220 are formed by multiple cutting edges and are bent. The shearing assembly of the shearing machine forms a sharp angle at the corner of the cutting edge, is very easy to damage, even falls off from the tipping edge, needs to be replaced when serious, and has higher use cost.

Referring to fig. 2 and 3, in an embodiment of the present application, a shear blade body includes: a lower surface 30 and an upper surface 40 which are positioned opposite to each other are formed on the first-stage shearing blade body 10 and the second-stage shearing blade body 20 along the extension direction of the shearing blade body; a side cutting surface 50 is formed between the lower surface 30 and the upper surface 40, and the side cutting surface 50 is formed with a transition surface 51 at a transition position between the first-stage cutting blade body 10 and the second-stage cutting blade body 20; the side shearing edge face 50 and the lower surface 30 are intersected to form a shearing edge 60; the shearing blade 60 is formed with a transition blade 61 at a transition position between the first shearing blade body 10 and the second shearing blade body 20. The transition edge 61 is formed by the intersection of the lower surface 30 and the transition surface 51.

In some embodiments, referring to fig. 2, the side shear faces 50 are located on the outside of the bends of the first and

second shear bodies

10, 20.

In some embodiments, referring to fig. 3, the side shear faces 50 are located inside the bends of the first and

second shear bodies

10, 20.

It should be noted that, in some embodiments, both the bent outer sides of the first cutting blade body 10 and the second cutting blade body 20 may be used for cutting, and when one side is damaged, the first cutting blade body may be switched to the other side for use.

In some embodiments, referring to fig. 2 and 3, the transition surface 51 is a transition surface; the transition cutting edge 61 is a curvilinear cutting edge. In some embodiments, the transition surface 51 is a radiused surface; the transition cutting edge 61 is a circular arc-shaped cutting edge.

In some embodiments, the transition surface 51 is a chamfered plane; the transition cutting edge 61 is a linear cutting edge.

In some embodiments, referring to fig. 4, the transition surface 51 is formed by a plurality of transition planes 51a connected; the transition edge 61 is formed by a plurality of straight line segments 61 a.

In some embodiments, referring to fig. 5, the transition surface 51 is formed by connecting a plurality of flat surfaces 51c and a plurality of curved surfaces 51 b; the transition cutting edge 61 is composed of a plurality of straight line segments 61c and a plurality of curved line segments 61 b.

In the present embodiment, the first shearing blade body 10 and the second shearing blade body 20 constitute a "7" shaped shearing blade body. Referring to fig. 6, the movable blade 120 is bent and formed by splicing a plurality of blade bodies, and includes at least one "7" shaped cutting blade body. In a shear where the cutting edges of the stationary and moving blades are shaped to form a shear fit, the stationary blade 220 is shaped similarly to the moving blade 120 of fig. 6.

In the present application, the shearing blade body has a first shearing blade body 10 and a second shearing blade body 20, and a bending included angle is formed between the first shearing blade body 10 and the second shearing blade body 20. The transition surface 51 and the transition cutting edge 61 are arranged at the bending positions of the first shearing cutter body 10 and the second shearing cutter body 20, so that sharp points at the transition positions are avoided, and the durability and the service life of the bending shearing cutter body are improved.

Referring to fig. 1, the present application further provides a shearing machine having a movable blade and a fixed blade capable of cooperating with shearing material; the movable knife and the fixed knife are both provided with bent cutting edges formed by a plurality of cutting edges; the movable and/or stationary knives have a shearing blade body as set forth in the above section for a shearing machine.

In the embodiment of the application, the cutting edges of the movable knife and the fixed knife are concave-convex or step-shaped. In the gantry shearing machine, the movable cutter and the fixed cutter are both composed of a plurality of sections of shearing cutter bodies. The cutting edge of the gantry shearing machine shown in figure 1 is concave-convex.

In the above embodiments of the present application, 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 related descriptions of other embodiments.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

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 shear body for a shear, the shear body comprising: first section shearing cutter body (10) and second section shearing cutter body (20), and have the contained angle of buckling between first section shearing cutter body (10) and second section shearing cutter body (20), and include:

a lower surface (30) and an upper surface (40) which are opposite to each other are formed on the first section shearing cutter body (10) and the second section shearing cutter body (20) along the extension direction of the shearing cutter body;

a side shearing edge surface (50) is formed between the lower surface (30) and the upper surface (40), and a transition surface (51) is formed on the side shearing edge surface (50) at the transition position between the first-stage shearing cutter body (10) and the second-stage shearing cutter body (20);

the side shearing edge surface (50) and the lower surface (30) are intersected to form a shearing edge (60); the transition cutting edge (61) is formed at the transition position between the first section shearing cutter body (10) and the second section shearing cutter body (20) of the shearing cutting edge (60).

2. The shear body for a shear according to claim 1, wherein the transition surface (51) is a curved transition surface; the transition cutting edge (61) is a curved cutting edge.

3. The shear body for a shear according to claim 2, wherein the transition surface (51) is a rounded surface; the transition cutting edge (61) is a circular arc cutting edge.

4. The shear body for a shear according to claim 1, wherein the transition surface (51) is a chamfered plane; the transition cutting edge (61) is a linear cutting edge.

5. The shear body of claim 1, wherein the transition surface (51) is formed by connecting a plurality of transition planes; the transition cutting edge (61) is formed by a plurality of straight line segments.

6. The shear body of claim 1, wherein the transition surface (51) is formed by connecting a plurality of flat surfaces and a plurality of curved surfaces; the transition cutting edge (61) is composed of a plurality of straight line sections and a plurality of curve sections.

7. The shear body of claim 1, wherein the side shear faces (50) are located outside the bends of the first and second segments (10, 20).

8. The shear body of claim 1, wherein the side shear faces (50) are located inside the bends of the first and second segments (10, 20).

9. A shearing machine is characterized in that the shearing machine is provided with a movable cutter and a fixed cutter which can be matched with a shearing material; the movable knife and the fixed knife are both provided with bent cutting edges formed by a plurality of cutting edges; the movable blade and/or the fixed blade comprises a shearing blade body for a shearing machine according to any one of claims 1 to 8.

10. A shear according to claim 9, wherein the cutting edges of the movable and stationary blades are concave-convex or stepped.