CN209936002U

CN209936002U - Cutting tool of hydraulic plate shearing machine

Info

Publication number: CN209936002U
Application number: CN201920615287.7U
Authority: CN
Inventors: 唐海燕; 何雄文
Original assignee: Hunan Haiyan Electric Co Ltd
Current assignee: Hunan Haiyan Electric Co Ltd
Priority date: 2019-04-30
Filing date: 2019-04-30
Publication date: 2020-01-14
Anticipated expiration: 2029-04-30

Abstract

The utility model relates to a hydraulic pressure plate shear's cutting tool, including moving sword part and stationary knife part, move the sword part and set up directly over the stationary knife part, move the sword part and include the knife rest and install the sword that moves in the knife rest, move the cutting edge of sword and stretch out downwards by the knife rest bottom, the stationary knife part includes the blade holder and installs the stationary knife in the blade holder upper end, and the stationary knife staggers around moving the sword, and the stationary knife with move adjacent side between the sword and mutually support and constitute the shearing action face to the material, both sides respectively are provided with a banding air chamber around the knife rest, and the air chamber level sets up in the downside of knife rest, and the lower terminal surface equipartition of air chamber has one row and air chamber intercommunication just to the nozzle of blade holder, and the up end of air chamber is provided with the air. This hydraulic pressure plate shearing machine's shearing tool is equipped with the nozzle, can blow away the metal piece of tailorring the production from the workspace, takes away the heat that each part of workspace produced simultaneously, can improve the effect of cuting, protects each spare part of workspace.

Description

Cutting tool of hydraulic plate shearing machine

Technical Field

The utility model relates to a mechanical equipment part field, in particular to hydraulic plate shearing machine cut cutter.

Background

A plate shearing machine is an apparatus for processing a metal plate, and is a machine in which one cutting knife performs a reciprocating linear motion relative to the other cutting knife to shear the plate. The metal plates with various thicknesses are applied with shearing force by means of a movable upper cutter and a fixed lower cutter and a reasonable blade gap, so that the plates are broken and separated according to the required size. A plate shearing machine belongs to one of forging and pressing machines and is mainly used in the metal processing industry. When the plate shearing machine forges a metal plate, the two cutters move up and down relatively, metal cutting chips can be generated during cutting, so that the cutting precision is reduced, the friction of the cutters is increased, and the cutters are damaged.

Disclosure of Invention

The utility model aims at shortcoming and problem that exist among the background art improve and the innovation, provide a hydraulic pressure plate shear's cutter that cuts, including moving sword part and stationary knife part, move the sword part and set up directly over the stationary knife part, move the sword part and include the knife rest and install the sword that moves in the knife rest, move the cutting edge of sword and stretch out downwards by the knife rest bottom, the stationary knife part includes the blade holder and installs the stationary knife in the blade holder upper end, stagger around the stationary knife and the sword that moves, the stationary knife with move adjacent side mutually supporting between the sword and constitute the shearing action face to the material, both sides respectively are provided with a banding air chamber around the knife rest, the air chamber level sets up in the downside of knife rest, the lower terminal surface equipartition of air chamber have one row with the air chamber intercommunication just to the nozzle of blade holder, the up end of air chamber is provided with the air inlet with the air.

In one of the embodiments, the tool holder is provided with a permanent magnet box and the tool holder is provided with an electromagnetic holder opposite the permanent magnet box.

In one embodiment, a permanent magnet box is respectively arranged at two ends of the lower side of the tool rest, a magnet block is arranged in the permanent magnet box, an electromagnetic seat is arranged at the upper end of two sides of the tool apron, an electromagnet is arranged in the electromagnetic seat, and the electromagnet is positioned right below the magnet block.

In one embodiment, the lower surface of the movable blade is an inclined surface, and an included angle alpha between the lower surface of the movable blade and the horizontal plane is 3 degrees ~ 8 degrees.

In one embodiment, the lower surface of the movable blade is a cambered surface continuously transiting towards one side, and the maximum included angle beta between the tangent of the lower surface of the movable blade and the horizontal plane is 3 degrees ~ 8 degrees.

In one embodiment, an inclined discharging surface is arranged at the rear side of the cutter holder, and a row of parallel rollers are uniformly arranged on the discharging surface.

The utility model discloses beneficial effect: this hydraulic pressure plate shearing machine's shearing tool is equipped with the nozzle, can blow away the metal piece of tailorring the production from the workspace, takes away the heat that each part of workspace produced simultaneously, can improve the effect of cuting, protects each spare part of workspace. And meanwhile, the magnetic device is arranged, so that the shearing force can be increased and quick reset can be realized. Meanwhile, the lower surface of the movable knife adopts the cambered surface, so that the motion track of the shearing action can be prolonged, the resistance generated in the shearing process is reduced, and the deformation of the material notch is reduced, so that the material notch is more smooth and has fewer burrs.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a side view of the present invention;

FIG. 4 is a schematic view of one embodiment of a moving blade;

FIG. 5 is a schematic view of one embodiment of a moving blade;

in the figure: a moving blade part-1; a tool holder-11; a movable knife-12; a gas chamber-13; nozzle-14; an air inlet-15; permanent magnet box-16; a magnet block-161; a stationary knife part-2; a tool apron-21; a fixed knife-22; an electromagnetic base-23; an electromagnet-231; discharge surface-3; a roller-31.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It will be understood that when an element is referred to as being "disposed" or "connected" to another element, it can be directly disposed or connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description presented herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

As shown in fig. 1-3, the cutting tool of the hydraulic plate shearing machine mainly comprises a movable blade portion 1 and a fixed blade portion 2, wherein the movable blade portion 1 is mounted on a power device of the plate shearing machine, and the fixed blade portion 2 is mounted on a frame of the plate shearing machine, wherein:

the movable blade part 1 comprises a blade holder 11 and a movable blade 12 arranged in the blade holder 11, and the blade of the movable blade 12 extends downwards from the bottom end of the blade holder 11. The fixed cutter part 2 comprises a cutter seat 21 and a fixed cutter 22 arranged at the upper end of the cutter seat 21, the fixed cutter 22 and the movable cutter 12 are staggered front and back, adjacent side surfaces between the fixed cutter 22 and the movable cutter 12 are mutually matched to form a shearing action surface for the material, and the material is cut and processed through the interaction of the movable cutter 12 and the fixed cutter 22.

As shown in fig. 2-3, a strip-shaped air chamber 13 is respectively arranged on the front side and the rear side of the tool holder 11, the air chamber 13 is horizontally arranged on the lower side of the tool holder 11, a row of nozzles 14 which are communicated with the air chamber 13 and face the tool holder 21 are uniformly distributed on the lower end surface of the air chamber 13, and an air inlet 15 communicated with the air chamber 13 is arranged on the upper end surface of the air chamber 13. Air inlet 15 and the compressed air intercommunication in workshop, high-pressure air passes through air inlet 15 and gets into behind the air chamber 13 and again via each nozzle 14 blowout when tailorring, can effectually blow off the smear metal from the workspace, takes away the heat that each part in workspace produced simultaneously, can improve the effect of cuting, each spare part in protection workspace.

As shown in fig. 1-3, a permanent magnet box 16 is mounted at each of the two ends of the lower side of the tool holder 11, a magnet block 161 is disposed in the permanent magnet box 16, an electromagnetic base 23 is mounted at the upper end of each of the two sides of the tool holder 11, an electromagnet 231 is mounted in the electromagnetic base 23, and the electromagnet 231 is located right below the magnet block 161. The electromagnet 231 can be connected to a control system of the board cutting machine, and the polarity of the electromagnet 231 can be controlled by a set program. When the movable blade 12 moves downward to cut the material, the magnetic pole of the electromagnet 231 is adjusted to the opposite magnetic pole of the magnet block 161, so that the electromagnet block 231 and the magnet block 161 attract each other, thereby increasing the shearing force to the material. When the movable blade 12 is restored upward, the magnetic pole of the electromagnet 231 is adjusted to the same magnetic pole as the magnet block 161, so that the electromagnet block 231 and the magnet block 161 repel each other, thereby accelerating the restoration of the movable blade 12.

As shown in fig. 4, the movable knife 12 is an embodiment of the movable knife 12, in which the lower surface of the movable knife 12 is an inclined surface, and the included angle α between the lower surface of the movable knife 12 and the horizontal plane is 3 ° ~ 8 °, an included angle (shearing angle) is formed between the movable knife 12 and the fixed knife 22, and as the movable knife 12 moves downward, the intersection point of the included angle between the movable knife 12 and the fixed knife 22 gradually moves, and in the process of gradually closing, the material is cut off.

As shown in fig. 5, the movable blade 12 is an embodiment of the movable blade 12, in which the lower surface of the movable blade 12 is a curved surface continuously transitioning towards one side, and the maximum included angle β between the tangent line of the lower surface of the movable blade and the horizontal plane is 3 ° ~ 8 °.

As shown in fig. 3, the rear side of the tool holder 21 is provided with an inclined discharging surface 3, a row of parallel rollers 31 are uniformly arranged on the discharging surface 3, and the sheared material can slide out through the rollers 31 on the surface of the discharging surface 3.

The embodiments of the present invention are only descriptions of the preferred embodiments of the present invention, not right the present invention is designed and limited, without departing from the design concept of the present invention, the technical personnel in the field should fall into the protection scope of the present invention for various modifications and improvements made by the technical solution of the present invention, and the technical contents of the present invention are all recorded in the claims.

Claims

1. The utility model provides a hydraulic pressure plate shear's cutting tool, includes and moves sword part and stationary knife part, move the sword part and set up directly over the stationary knife part, move the sword part and include the knife rest and install the sword that moves in the knife rest, move the cutting edge of sword and stretch out downwards by the knife rest bottom, the stationary knife part includes the blade holder and installs the stationary knife in the blade holder upper end, stagger around the stationary knife with moving the sword, the stationary knife with move adjacent side mutually supporting between the sword and constitute shearing action face to the material, its characterized in that: the tool rest is characterized in that a strip-shaped air chamber is respectively arranged on the front side and the rear side of the tool rest, the air chamber is horizontally arranged on the lower side of the tool rest, a row of nozzles communicated with the air chamber and facing the tool apron are uniformly distributed on the lower end face of the air chamber, and an air inlet communicated with the air chamber is formed in the upper end face of the air chamber.

2. The cutting tool of the hydraulic plate shearing machine as set forth in claim 1, wherein: the tool rest is provided with a permanent magnet box, and the tool apron is provided with an electromagnetic seat opposite to the permanent magnet box.

3. The cutting tool of a hydraulic plate shear of claim 2, wherein: the permanent magnet box is respectively installed at two ends of the lower side of the tool rest, the magnet blocks are arranged in the permanent magnet box, the electromagnetic seats are installed at the upper ends of two sides of the tool apron, the electromagnets are installed in the electromagnetic seats, and the electromagnets are located right below the magnet blocks.

4. The cutting tool of the hydraulic plate shearing machine as set forth in claim 1, wherein: the lower surface of the moving knife is an inclined plane, and the included angle alpha between the lower surface of the moving knife and the horizontal plane is 3-8 degrees.

5. The cutting tool of the hydraulic plate shearing machine as set forth in claim 1, wherein: the lower surface of the moving knife is a cambered surface continuously transiting towards one side, and the maximum included angle beta between the tangent line of the lower surface of the moving knife and the horizontal plane is 3-8 degrees.

6. The cutting tool of the hydraulic plate shearing machine as set forth in claim 1, wherein: the rear side of the cutter holder is provided with an inclined discharging surface, and a row of parallel rolling shafts are uniformly arranged on the discharging surface.