CN210848531U

CN210848531U - Cold shearing device

Info

Publication number: CN210848531U
Application number: CN201921606939.7U
Authority: CN
Inventors: 朱文
Original assignee: Yunnan Yuxi Yukun Iron and Steel Group Co Ltd
Current assignee: Yunnan Yuxi Yukun Iron and Steel Group Co Ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-06-26
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a cold shearing device, including last blade and bottom knife, all offer the mounting hole that is used for being connected with drive arrangement on going up blade and the bottom knife, it is located the bottom knife top to go up the blade, the cutting edge has been seted up at the top of bottom knife, the cutting edge has been seted up to the bottom of going up the blade, set up the first arc wall that a plurality of intervals set up on the bottom knife, connect through connecting the arc between two adjacent first arc walls, and it is tangent with the first arc wall that corresponds to connect the arc, it is the isosceles form to go up the cutting edge, and the contained angle between the waist sword of going up the cutting edge and the horizontal plane is an, set up the second arc wall that a plurality of intervals set up on the waist sword. The utility model has the advantages that: arc-shaped grooves are formed in the lower cutting edge and the upper cutting edge, so that the arc-shaped grooves are large in arc-shaped surface of the cutting edge, an operator can easily separate a cut material, the cut material is not provided with an indentation after being cut, the operation of the operator is reduced after the cut material is cut circularly, the workload of the operator is reduced, the potential safety hazard caused by fatigue of the operator is reduced, and the safety is improved.

Description

Cold shearing device

Technical Field

The utility model relates to a panel cold shears technical field, especially cold shears device.

Background

A new standard begins to be rolled in 2018, the new national standard puts new requirements on the appearance of a product, and the following defects can be left after a traditional blade is used for shearing a fixed-length end face:

1. cutting the end face to length and leaving an indentation on the end face;

2. the end face is not smooth enough;

3. the end part of the finished product can be extruded into an oval shape of about 1 cm, and the construction requirement of a construction site cannot be met;

4. the hole-type blade is difficult to separate, the production efficiency is influenced, and the average influence of one shift is about 100 tons.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a purpose mainly improves specific condition and improves plain end cutting edge, pass cutting edge and have the defect in process of production, and is safe, convenient, swift at the in-process that uses to improve production efficiency and improve product appearance, provide a cold shear device.

The purpose of the utility model is realized through the following technical scheme: cold scissor device, including last blade and bottom knife, all offer the mounting hole that is used for being connected with drive arrangement on last blade and the bottom knife, it is located the bottom knife top to go up the blade, the cutting edge has been seted up at the top of bottom knife, the cutting edge has been seted up to the bottom of going up the blade, set up the first arc wall that a plurality of intervals set up on the bottom knife, connect through the connecting arc between two adjacent first arc walls, and it is tangent with the first arc wall that corresponds to connect the arc, it is the isosceles form to go up the cutting edge, and the contained angle between waist sword of going up the cutting edge and the horizontal plane is an, set up the second arc wall that a plurality of intervals set up on the waist sword.

Preferably, the included angle a is 1-1.5 degrees.

Preferably, the included angle a is 1.25 °.

Preferably, the first arc-shaped groove, the second arc-shaped groove and the connecting arc are all arcs and are minor arcs.

Preferably, the radius of the first arc-shaped groove is 22.21mm, the arc length is 35.85mm, and the radius of the connecting arc is 6 mm.

Preferably, the radius of the second arc-shaped groove is 15.5mm, and the arc length is 25.2 mm.

Preferably, the mounting hole includes counter bore and through-hole, and the counter bore has all been seted up to the cutter body both sides of going up blade and bottom knife, communicates through the through-hole between two counter bores.

The utility model has the advantages of it is following: the utility model discloses a cold shearing device has all seted up the arc wall on cutting edge and last cutting edge down to make the cambered surface of cutting edge big, 2 appear occasionally and cut the material and overlap, operative employee also can separate easily, even if not notice cut the material and overlap and lead to cutting the material and not separate, cut the material and also do not have the indentation after being sheared, cut in cycle and cut, greatly reduced operation workman's work load, thereby reduce the potential safety hazard of wearing because of workman is tired, the security has improved.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is an enlarged schematic view at B of FIG. 1;

FIG. 4 is an enlarged schematic view at C of FIG. 1;

FIG. 5 is a schematic cross-sectional view taken at D in FIG. 1;

in the figure, 1-lower blade, 2-upper blade, 3-mounting hole, 4-first arc groove, 5-connecting arc surface, 6-second arc groove, 7-lower blade, 8-upper blade, 31-countersunk hole and 32-through hole.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

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

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which the products of the present invention are conventionally placed in use, or the position or positional relationship which the skilled person conventionally understand, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific position, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, the cold shearing apparatus includes an upper blade 2 and a lower blade 1, the upper blade 2 and the lower blade 1 are both provided with mounting holes 3 for connecting with a driving device, the driving device is a driving mechanism of the existing cold shearing machine, and mainly drives the upper blade 2 to move toward the lower blade 1, so as to shear a plate material through the upper blade 2 and the lower blade 1, in this embodiment, as shown in fig. 5, the mounting holes 3 include countersunk holes 31 and through holes 32, both sides of the cutter bodies of the upper blade 2 and the lower blade 1 are both provided with countersunk holes 31, the two countersunk holes 31 are communicated through the through holes 32, when the upper blade 2 and the lower blade 1 are mounted, the upper blade 2 and the lower blade 1 can be mounted in a bolt connection manner, while the head of a bolt can be countersunk in the countersunk hole 31, while both sides of the cutter body are provided with countersunk holes 31, so that the cutter body has no front and back parts, and is convenient to mount, the upper blade 2 is located above the lower blade 1.

In this embodiment, as shown in fig. 2 and 3, the top of the lower blade 1 is provided with a lower cutting edge 7, the lower cutting edge 7 is provided with a plurality of first arc-shaped grooves 4 arranged at intervals, two adjacent first arc-shaped grooves 4 are connected by a connecting arc 5, the connecting arc 5 is tangent to the corresponding first arc-shaped groove 4, and the bottom of the upper blade 2 is provided with an upper cutting edge 8, as shown in fig. 1 and 4, the upper cutting edge 8 is in an isosceles shape, and an included angle a between a waist edge of the upper cutting edge 8 and a horizontal plane is a, further, the included angle a is 1 to 1.5 degrees, preferably, the included angle a is 1.25 degrees, the waist edge is provided with a plurality of second arc-shaped grooves 6 arranged at intervals, in this embodiment, the first arc-shaped grooves 4, the second arc-shaped grooves 6 and the connecting arc 5 are circular arcs and are minor arcs, further, the radius of the first arc-shaped grooves 4 is 22.21mm, and the arc length is 35.85mm, and the radius of the connecting arc 5 is 6mm, the radius of the second arc-shaped groove 6 is 15.5mm, the arc length is 25.2mm, and through the first arc-shaped groove 4 and the second arc-shaped groove 6, in the actual operation process, after two cut pieces are occasionally overlapped, because the arc surface is large, an operator can easily separate the upper cutting edge 8, the lower cutting edge 7 and the cut pieces, even if the cut pieces are not separated, the indentation is not generated after the cut pieces are cut, and the work load of the operator is greatly reduced by circularly cutting, so that the potential safety hazard caused by the fatigue of the operator is reduced.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. Cold scissor assembly, including last blade and bottom knife, go up the blade with all offer the mounting hole that is used for being connected with drive arrangement on the bottom knife, it is located to go up the blade bottom knife top, the cutting edge has been seted up at the top of bottom knife, the cutting edge has been seted up to the bottom of going up the blade, its characterized in that: set up the first arc wall that a plurality of intervals set up on the cutting edge down, connect through the connecting arc between two adjacent first arc walls, just the connecting arc with correspond first arc wall is tangent, go up the cutting edge and be the isosceles form, just go up the contained angle between waist sword and the horizontal plane of cutting edge and be a, set up the second arc wall that a plurality of intervals set up on the waist sword.

2. A cold shears apparatus according to claim 1, wherein: the included angle a is 1-1.5 degrees.

3. A cold shears apparatus according to claim 2, wherein: the included angle a is 1.25 °.

4. A cold shears device according to claim 1 or 3, wherein: the first arc-shaped groove, the second arc-shaped groove and the connecting arc are all arcs and are minor arcs.

5. A cold shears apparatus according to claim 4, wherein: the radius of first arc wall is 22.21mm, and the arc length is 35.85mm, the radius of connecting the arc is 6 mm.

6. A cold shears apparatus according to claim 5, wherein: the radius of the second arc-shaped groove is 15.5mm, and the arc length is 25.2 mm.

7. A cold shears apparatus according to claim 6, wherein: the mounting hole comprises a counter bore and a through hole, the counter bores are formed in the two sides of the cutter bodies of the upper blade and the lower blade, and the two counter bores are communicated through the through hole.