CN214382954U

CN214382954U - Blade subassembly and cutter of cutter

Info

Publication number: CN214382954U
Application number: CN202120170155.5U
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: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-10-12
Anticipated expiration: 2031-01-21

Abstract

The utility model provides a blade subassembly and cutter of cutter relates to cutter technical field, and the blade subassembly of this cutter includes: a blade, a blade mount; wherein the blade has: the cutting edge comprises two end faces positioned at two sides, a bottom surface, a rear surface adjacent to the bottom surface, a front surface arranged opposite to the rear surface and a cutting edge surface arranged opposite to the bottom surface; the 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 blade mounting seat is provided with a blade mounting groove; the blade mounting groove has: the two limiting side surfaces are positioned at the two sides and are opposite to the end surfaces of the blades, and the rear supporting surface is used for the rear surface to abut against; at least one of the two sides of the blade is provided with a wedge block, and the wedge block is arranged between the end surface of the blade and the limiting side surface of the blade mounting seat. The application provides a blade subassembly, its blade is difficult not hard up, and easily dismantles.

Description

Blade subassembly and cutter of cutter

Technical Field

The application relates to cutter technical field, especially relates to a blade subassembly and cutter of 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, 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.

As shown in fig. 1, in the scrap steel shearing machine using the concave-convex shearing blade, the concave-convex bending structure of the fixed blade and the concave-convex bending structure of the movable blade are staggered and opposite, and in order to prevent the blade 1 from interfering with the lateral movement, the blade mounting seat is provided with the limiting structures 21 at the two ends of the blade to prevent the blade 1 from moving laterally. The blade needs to bear great transverse force when shearing, leads to blade 1 lateral direction can take place to warp to lead to whole blade can tightly inlay in the mounting groove, be difficult to dismantle out.

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 blade subassembly and cutter of cutter.

The blade assembly of the shear comprises:

a blade having: the cutting edge comprises two end faces positioned at two sides, a bottom surface, a rear surface adjacent to the bottom surface, a front surface arranged opposite to the rear surface and a cutting edge surface arranged opposite to the bottom surface; the shearing blade surface is a concave-convex bending surface formed by continuously and alternately arranging a vertical shearing blade surface and a horizontal shearing blade surface;

the blade mounting seat is provided with a blade mounting groove; the blade mounting groove has: the two limiting side surfaces are positioned at the two sides and are opposite to the end surfaces of the blades, and the rear supporting surface is used for the rear surface to abut against;

at least one of the two sides of the blade is provided with a wedge block, and the wedge block is arranged between the end surface of the blade and the limiting side surface of the blade mounting seat.

In some improvements, only one wedge block is arranged between the end surface of the blade and the limit side surface of the blade mounting seat;

the inclined plane of the wedge block is matched with the end face of the blade or the limiting side face of the blade mounting seat.

In some refinements, the inclined surface of the wedge is inclined into the insert mounting slot, the wedge being connected to the insert mounting seat by a connector.

In some modifications, the inclined surface of the wedge is inclined outward of the insert mounting groove and is supported by a movable connecting member mounted on the insert mounting groove.

In some improvements, the wedge arranged between the end face of the blade and the limit side face of the blade mounting seat comprises a first sub wedge and a second sub wedge;

the first sub-wedge block is arranged on one side of the limiting side face of the blade mounting seat; the second sub-wedge block is arranged on one side of the end face of the blade; the inclined surface of the first sub-wedge block is matched with the inclined surface of the second sub-wedge block.

In some improvements, the wedge blocks of the two wedge blocks of the first sub-wedge block and the second sub-wedge block, the inclined surfaces of which incline towards the blade mounting groove, are connected with the blade mounting seat through the connecting pieces.

In some refinements, the connection between the insert mount and the wedge is a screw or bolt.

In some improvements, the blade mounting seat is provided with a dismounting hole for a dismounting tool to enter at a position corresponding to the wedge block.

In some improvements, the blade mounting groove is also provided with a mounting bottom surface against which the bottom surface of the blade abuts.

In another aspect, the present application also provides a shear having a blade assembly as described in any of the above.

The present application provides a blade assembly for a shear, the blade assembly having a wedge disposed on at least one of the two sides of the blade, the wedge being mounted between the end face of the blade and a limiting side of a blade mount. The blade is wedged tightly in the mounting groove by reliably realizing the transverse limit of the blade through the friction self-locking of the inclined plane of the wedge block, so that the blade is not easy to loosen and is easy to detach.

Drawings

Fig. 1 is a schematic view of a shear blade mounting in the background of the present application.

Fig. 2 is a schematic structural diagram of a blade assembly of a shear according to an embodiment of the present disclosure.

Fig. 3 is another schematic structural view of a blade assembly of a shear according to an embodiment of the present disclosure.

Fig. 4 is another schematic structural view of a blade assembly of a shear according to an embodiment of the present disclosure.

Fig. 5 is another schematic structural view of a blade assembly of a shear according to an embodiment of the present disclosure.

FIG. 6 is a schematic view of the blade assembly in the wedge position in an embodiment of the present application.

FIG. 7 is another schematic view of the blade assembly in the wedge position in the embodiment of the present application.

FIG. 8 is another schematic view of the blade assembly in the wedge position in the embodiment of the present application.

FIG. 9 is another schematic view of the blade assembly in the wedge position in the embodiment of the present application.

FIG. 10 is another schematic view of the blade assembly in the wedge position in the embodiment of the present application.

Fig. 11 is a schematic structural diagram of a shearing assembly in a shearing machine according to 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, an embodiment of the present application provides a blade assembly of a shear, the blade assembly including: blade 100, blade mount 200, wedge 300.

Referring to fig. 2 to 5, the blade 100 has: two end faces 110 at two lateral positions, a bottom surface 120, a rear surface 130 adjacent to the bottom surface 120, a front surface 140 arranged opposite to the rear surface 130, a cutting edge face 150 arranged opposite to the bottom surface 120; the shearing edge surface 150 is a concave-convex bending surface formed by continuously and alternately forming a vertical shearing edge surface 151 and a horizontal shearing edge surface 152. The blade 100 is of a unitary or split construction.

Referring to fig. 2 to 5, the blade mount 200 is provided with a blade mounting groove 240; the blade mounting groove 240 has: two limit side surfaces 210 which are positioned at two sides and are opposite to the end surface 110 of the blade 100, a mounting bottom surface 220 against which the bottom surface 120 abuts, and a rear support surface 230 against which the rear surface 130 abuts.

The embodiment of the application provides a blade assembly for a scrap steel shearing machine, and the blade 100 can be a fixed blade or a movable blade. Referring to fig. 11, the scrap shearing machine includes a stationary blade 100a and a movable blade 100 b; the stationary blade 100a and the movable blade 100b are relatively moved to cut the material. When the scrap shearing machine is in operation, the cutting edge surface 150 of the fixed blade 100a is in a relative position with the cutting edge surface 150 of the movable blade 100 b. The moving blade 100b reciprocates continuously to shear the material in cooperation with the fixed blade 100 a. The blade 100 has a concave-convex bending structure formed on the cutting surface 150, and the concave-convex bending structure of the fixed blade 100a and the concave-convex bending structure of the movable blade 100b are staggered and opposite. The blade 100 is mounted on the blade mount 200 as a unitary structure and is not allowed to move, otherwise the stationary blade 100a and the movable blade 100b interfere. Therefore, the blade mount 200 needs to define the position of the blade 100 from all directions so that it does not move.

Further, the blade mounting seat 200 is provided with a blade mounting groove 240, the blade mounting groove 240 is mainly composed of a limiting side surface 210, a mounting bottom surface 220 and a rear supporting surface 230 on two sides, and the blade 100 is disposed in the blade mounting groove 240 and can be fixedly connected with the blade mounting seat 200 through a connecting member such as a screw or a bolt. This kind of blade that has unsmooth bending structure need bear great transverse force when cuting, leads to the blade transverse direction can take place to warp to lead to whole blade can the close embedding in the mounting groove, be difficult to dismantle out.

With further reference to fig. 6 and 7, the blade assembly proposed by the embodiments of the present application is provided with a wedge 300 at least at one of the two sides of the blade 100, said wedge 300 being mounted between the end face 110 of the blade 100 and the restraining flank 210 of the blade mount 200. Here, the blade 100 is held laterally by the wedge 300, and the inclined surface of the wedge 300 achieves a self-locking fit after installation. Here, the disassembly can be achieved by breaking the fit of the inclined surface position of the wedge 300, and the disassembly is easier.

In some embodiments, referring to fig. 7 and 8, only one wedge 300 is disposed between the end face 110 of the insert 100 and the curb side 210 of the insert mount 200. Wherein the inclined surface 310 of the wedge 300 cooperates with the end surface 110 of the insert 100 or the restraining side 210 of the insert mount 200. The inclined surface 310 of the wedge 300 engages the end surface 110 of the insert 100 or the restraining side 210 of the insert mount 200 to form a mating relationship. The above scheme includes two cases: a scheme in which one wedge 300 is provided on each side of the blade 100, and a scheme in which one wedge 300 is provided only on one side of the blade 100.

In some embodiments, wedge 300 is connected to blade mount 200 by connector 400. The connector 400 may pull the wedge 300. Specifically, the inclined surface 310 of the wedge 300 is inclined toward the blade installation groove 240, and the wedge 300 is coupled to the blade mount 200 by the coupling member 400, thereby pulling the wedge 300. The connector 400 needs to be removed when the blade 100 is removed. Further, the connection member 400 is a screw or a bolt.

The wedge 300 shown in fig. 7 has a sloped surface 310 that fits against the positive side 210 of the insert holder 200 to form a fit. The wedge 300 shown in fig. 8 has a bevel 310 disposed on the side of the end face 110 of the blade 100 that fits against the end face 110 of the blade 100 to form a fit. The wedges 300 shown in fig. 7 and 8 have their inclined surfaces inclined inwardly of the insert-receiving slot 240 and the cooperating retaining side surfaces 210 or end surfaces 110 inclined outwardly of the insert-receiving slot 240.

In some embodiments, the inclined surface 310 of the wedge 300 is inclined outward of the blade mounting slot 240 and is caught by the movable connector 500 mounted on the blade mounting slot 240. Referring to fig. 9 and 10, the inclined surface 310 of the wedge 300 may also be configured to be inclined outwardly of the insert-mounting groove 240, while the cooperating restricting side surface 210 or end surface 110 is inclined inwardly of the insert-mounting groove 240. Figure 9 shows a wedge 300 with a sloped surface 310 that fits against the curb side 210 of the insert mount 200 to form a fit. FIG. 10 shows a wedge 300 having a bevel 310 disposed on the side of the end face 110 of the blade 100 that fits against the end face 110 of the blade 100 to form a fit. The wedges 300 shown in fig. 9 and 10 have their inclined surfaces inclined outwardly of the insert-receiving slot 240 and the cooperating retaining sides 210 or faces 110 inclined inwardly of the insert-receiving slot 240. Referring to fig. 9 and 10, the articulating connector 500 may be a screw that is threadably engaged with the blade mount 200.

In some embodiments, referring to fig. 6, the wedge 300 disposed between the end face 110 of the insert 100 and the stop side 210 of the insert mount 200 includes a first sub-wedge 300a and a second sub-wedge 300 b; wherein, the first sub wedge 300a is arranged at one side of the limit side 210 of the blade mounting seat 200; the second sub-wedge 300b is disposed on the end surface 110 side of the insert 100; the inclined surface 310 of the first sub-wedge 300a is matched with the inclined surface 310 of the second sub-wedge 300 b. The above scheme includes two cases: firstly, a pair of wedges, namely a first sub wedge 300a and a second sub wedge 300b, are respectively arranged at two sides of the blade 100; second, a pair of wedges 300 is provided on only one side of the blade 100.

Further, the wedge, of which the inclined surface is inclined into the insert mounting groove 240, of the first sub-wedge 300a and the second sub-wedge 300b is connected to the insert mounting seat 200 by a connector 400. Further, the connection 400 between the insert mount 200 and the wedge is a screw or a bolt.

The inclined surface 310 of the second sub-wedge 300b shown in FIG. 6 is inclined inward of the insert mounting groove 240, and the inclined surface 310 of the first sub-wedge 300a is inclined outward of the insert mounting groove 240.

With further reference to fig. 2, the insert mount 200 is provided with a removal hole 250 for a removal tool to enter at a position corresponding to the wedge 300. When the connector 400 is removed, a removal tool extends into the insert mounting slot 240 to eject the wedge 300 so that the insert 100 can be easily removed. In some embodiments, the removal hole 250 is internally threaded, and the corresponding removal tool may be a screw. The screws engage the release holes 250 to loosen the wedge.

It should be understood that the wedge mounting structure referred to above may be provided at one or both ends of the insert 100.

The embodiment of the application also provides a shearing machine which is provided with the blade component provided in the part. The shear may be a horizontal shear. Referring to fig. 11, the shearing machine is embodied as a scrap shearing machine, which includes a stationary blade 100a and a movable blade 100 b; the stationary blade 100a and the movable blade 100b are relatively moved to cut the material.

It should be noted that the number of the vertical shearing edge surfaces 151 and the horizontal shearing edge surfaces 152 included in the shearing edge surface 150 of the blade 100 is not limited, and for example, the blade 100 shown in fig. 2 to 5 includes three horizontal shearing edge surfaces 152 and two vertical shearing edge surfaces 151. The blade 100 has a concave-convex bent shape on the side of the cutting edge surface 150, and has a plurality of convex portions 153 formed thereon. In some embodiments, as shown in fig. 4, the blade 100 is formed with a protrusion 153.

In the description of the present application, it is to be understood that the terms "bottom," "lateral," "vertical," and the like, indicate orientations or positional relationships based on those shown in the drawings, are used only for convenience in describing the present application and for simplicity in 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 blade assembly for a shear, comprising:

a blade (100) having: two end faces (110) at two side positions, a bottom surface (120), a rear surface (130) adjacent to the bottom surface (120), a front surface (140) arranged opposite to the rear surface (130), and a shear face (150) arranged opposite to the bottom surface (120); the shearing edge surface (150) is a concave-convex bending surface formed by continuously and alternately forming a vertical shearing edge surface (151) and a transverse shearing edge surface (152);

a blade mounting seat (200) on which a blade mounting groove (240) is provided; the blade mounting groove (240) has: two limiting side surfaces (210) which are positioned at two sides and are arranged opposite to the end surface (110) of the blade (100), and a rear supporting surface (230) against which the rear surface (130) abuts;

a wedge block (300) is arranged on at least one of the two sides of the blade (100), and the wedge block (300) is installed between the end face (110) of the blade (100) and the limiting side face (210) of the blade installation seat (200).

2. The blade assembly of a shear according to claim 1, wherein only one wedge (300) is provided between the end face (110) of the blade (100) and the restraining side (210) of the blade mount (200);

wherein the inclined surface (310) of the wedge block (300) is matched with the end surface (110) of the blade (100) or the limit side surface (210) of the blade mounting seat (200).

3. The blade assembly of a shear according to claim 2, wherein the inclined surface (310) of the wedge (300) is inclined into the blade mounting slot (240), the wedge (300) being connected to the blade mount (200) by a connector (400).

4. The blade assembly of a shear according to claim 2, wherein the inclined surface (310) of the wedge (300) is inclined outwardly of the blade mounting slot (240) and is resisted by a flexible connector (500) mounted in the blade mounting slot (240).

5. The blade assembly of a shear according to claim 1, wherein the wedges (300) provided between the end face (110) of the blade (100) and the restraining side (210) of the blade mount (200) comprise a first sub-wedge (300a) and a second sub-wedge (300 b);

wherein, the first sub wedge block (300a) is arranged on one side of the limit side surface (210) of the blade mounting seat (200); the second sub-wedge (300b) is arranged on the end surface (110) side of the blade (100); the inclined surface (310) of the first sub-wedge (300a) is matched with the inclined surface (310) of the second sub-wedge (300 b).

6. The blade assembly of a shear according to claim 5, wherein the wedge of the two wedges of the first sub-wedge (300a) and the second sub-wedge (300b), the inclined plane of which is inclined into the blade mounting slot (240), is connected to the blade mount (200) by a connector (400).

7. A blade assembly for a shear according to claim 3 or 6, wherein the connection (400) between the blade mount (200) and the wedge is a screw or bolt.

8. The blade assembly of a shear according to claim 1, wherein the blade mount (200) is provided with a removal hole (250) for a removal tool at a location corresponding to the wedge (300).

9. The blade assembly of a shear according to claim 8, wherein the blade mounting slot (240) is further provided with a mounting bottom surface (220) against which the bottom surface (120) of the blade (100) abuts.

10. A shear having a blade assembly according to any one of claims 1 to 9.