CN215468385U

CN215468385U - Hydraulic shear with shear blade gap adjusting device

Info

Publication number: CN215468385U
Application number: CN202121269385.3U
Authority: CN
Inventors: 林海兰; 金爱琳
Original assignee: Douchang Construction Machinery Shanghai Co Ltd
Current assignee: Douchang Construction Machinery Shanghai Co Ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-01-11
Anticipated expiration: 2031-06-07

Abstract

The utility model is suitable for the technical field of hydraulic shears, and provides a hydraulic shear with a shear blade clearance adjusting device, which comprises a fixed knife rest, a fixed knife edge, a shear knife rest, a shear knife edge, a first hydraulic cylinder and an adjusting mechanism, wherein the adjusting mechanism comprises a base, a second hydraulic rod and a fixed support, the adjusting mechanism is used for adjusting the distance between the fixed knife edge and the fixed knife rest and/or adjusting the distance between the shear knife edge and the shear knife rest, the adjusting mechanism is used for adjusting the relative distance between the fixed knife edge and the fixed knife rest and/or the relative distance between the shear knife edge and the shear knife rest, so that the distance between the fixed knife edge and the shear knife edge is changed, the effect of adjusting the shear blade clearance is achieved, and the scales are arranged on the fixed knife edge and the shear knife edge, so that a worker can visually see the specific data of the adjustment of the fixed knife edge and the shear knife edge, thereby making the adjustment accuracy high.

Description

Hydraulic shear with shear blade gap adjusting device

Technical Field

The utility model belongs to the technical field of hydraulic shears, and particularly relates to a hydraulic shear with a shear blade gap adjusting device.

Background

In the cold-rolled strip steel technology, when an irregular strip head and a strip tail are met or a strip is broken, the irregular strip steel needs to be sheared by using a hydraulic shear, the hydraulic shear is composed of a fixed shear blade and a shear blade, the shear blade is tangent to the fixed shear blade after being driven during shearing, for the strip steel with different thicknesses, the required gap between the shear blades is different, generally, the thinner the strip steel is, the smaller the corresponding gap between the shear blades is, in the modern cold-rolled production, in order to meet the market requirements on strip steel products with different specifications, the specifications of products produced by a cold-rolling mill are required to be diversified, when the specifications of the products are changed in the production process of the rolling mill, the gap between the shear blades needs to be correspondingly adjusted to adapt to the thickness of the strip steel with the specification, in the traditional cold-rolled production, the adjustment is generally carried out by adjusting the gap between the hydraulic shear blades, adjusting gaskets, using jackscrews and the like, and the methods generally have slow adjustment speed, poor adjustment precision and the like.

SUMMERY OF THE UTILITY MODEL

The utility model provides a hydraulic shear with a shear blade gap adjusting device, and aims to solve the technical problems at present.

The utility model is realized in such a way that the hydraulic shear with the shear blade gap adjusting device comprises a fixed knife rest which is fixedly provided with a fixed blade.

And the shearing knife rest is hinged with the fixed knife rest, and shearing blades matched with the fixed blades are arranged on the shearing knife rest.

The first hydraulic cylinder is fixedly arranged on the fixed tool rest, and the output end of the first hydraulic cylinder is hinged to the shearing tool rest and used for driving the shearing tool rest to rotate.

The adjusting mechanism is fixedly arranged on the fixed knife rest and/or the shearing knife rest and is used for connecting the fixed knife edge with the fixed knife rest and/or connecting the shearing knife edge with the shearing knife rest and adjusting the distance between the fixed knife edge and the fixed knife rest and/or adjusting the distance between the shearing knife edge and the shearing knife rest.

Preferably, the adjusting mechanism comprises a base, a second hydraulic cylinder and a fixed support.

The base is fixed to be set up on stationary knife rest and/or the shearing knife rest, the fixed second pneumatic cylinder that is provided with on the base, the output of second pneumatic cylinder is fixed to be provided with the fixed bolster, fixed cutting edge and/or shearing cutting edge are fixed to be set up on the fixed bolster.

Preferably, the fixed knife rest and the shearing knife rest are both provided with a baffle.

The baffle sets up fixed cutting edge with cut the both sides of cutting the cutting edge, and with fixed cutting edge with cut cutting edge sliding connection.

Preferably, the fixed blade and the shearing blade are provided with scales.

The extending direction of the scales is perpendicular to the cutting surfaces of the fixed cutting edge and the shearing cutting edge.

Preferably, the fixed blade and/or the shearing blade is fixedly connected with the fixed bracket through a bolt.

Compared with the prior art, the utility model has the beneficial effects that: according to the hydraulic shear with the shear blade gap adjusting device, the adjusting mechanism is arranged to adjust the relative distance between the fixed blade and the fixed knife rest and/or the relative distance between the shear blade and the shear knife rest, so that the distance between the fixed blade and the shear blade is changed, the effect of adjusting the shear blade gap is achieved, and the scales are arranged on the fixed blade and the shear blade, so that a worker can conveniently and visually see the specific data of the adjustment of the fixed blade and the shear blade, and the adjustment precision is high.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of the adjusting mechanism of the present invention.

In the figure: 1. fixing a tool rest; 11. fixing the cutting edge; 2. a shearing tool rest; 21. cutting the blade; 3. a first hydraulic cylinder; 4. an adjustment mechanism; 41. a base; 42. a second hydraulic cylinder; 43. fixing a bracket; 5. and a baffle plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Referring to fig. 1-2, the present invention provides a hydraulic shear with a shear blade clearance adjustment device, which comprises: including stationary knife rest 1, its fixed stationary knife edge 11 that is provided with, cut knife rest 2, it is articulated on with stationary knife rest 1, and cut and be provided with on the knife rest 2 and cut cutting edge 21 with stationary knife edge 11 mutually supporting, first pneumatic cylinder 3, it is fixed to be set up on stationary knife rest 1, and the output of first pneumatic cylinder 3 is articulated with cutting knife rest 2, be used for driving to cut the rotation of knife rest 2, adjustment mechanism 4, it is fixed to be set up on stationary knife rest 1 and/or cut knife rest 2, be used for connecting stationary knife edge 11 and stationary knife rest 1 and/or be connected and cut cutting edge 21 and cutting knife rest 2, and be used for adjusting the distance between stationary knife edge 11 and stationary knife rest 1 and/or adjust the distance between cutting edge 21 and the cutting knife rest 2.

The fixed knife rest 1 is placed motionlessly, starts first pneumatic cylinder 3, and first pneumatic cylinder 3 drives and cuts cutting edge 21 and rotate for cut cutting edge 21 and fixed cutting edge 11 tangent, thereby cut, adjustment mechanism 4 can adjust the relative distance between cutting edge and the knife rest, thereby reach the effect in adjustment cutting edge clearance, the adaptation is to the shearing of different specification products.

The adjusting mechanism 4 comprises a base 41, a second hydraulic cylinder 42 and a fixing support 43, the base 41 is fixedly arranged on the fixing tool rest 1 and/or the shearing tool rest 2, the second hydraulic cylinder 42 is fixedly arranged on the base 41, the fixing support 43 is fixedly arranged at the output end of the second hydraulic cylinder 42, and the fixed blade 11 and/or the shearing blade 21 are fixedly arranged on the fixing support 43.

And starting the second hydraulic cylinder 42, driving the fixing support 43 to move by the second hydraulic cylinder 42, driving the cutting edge to move by the fixing support 43, and changing the relative distance between the cutting edge and the tool rest, thereby achieving the effect of adjusting the gap between the cutting edges.

In addition, the fixed knife rest 1 and the shearing knife rest 2 are both provided with a baffle plate 5, and the baffle plates 5 are arranged on two sides of the fixed knife edge 11 and the shearing knife edge 21 and are in sliding connection with the fixed knife edge 11 and the shearing knife edge 21.

Carry on spacingly to fixed cutting edge 11 and shearing cutting edge 21 through setting up baffle 5, can prevent that fixed cutting edge 11 and shearing cutting edge 21 from because object hardness is too high and to a lateral deviation when cuting, can play certain safeguard effect, the security is higher.

Further, the fixed blade 11 and the shearing blade 21 are provided with scales, and the extending direction of the scales is perpendicular to the cutting surfaces of the fixed blade 11 and the shearing blade 21.

When adjusting the distance between cutting edge and the knife rest through adjustment mechanism 4, the staff can be through the audio-visual relative distance who sees the removal between cutting edge and the knife rest of scale to make the regulation more accurate.

Further, the fixed blade 11 and/or the shearing blade 21 is fixedly connected to the fixed bracket 43 by a bolt.

The fixed support 43 is connected with the cutting edge through the bolt, and after the cutting edge is damaged, the cutting edge is conveniently detached and replaced.

The working principle and the using process of the utility model are as follows: stationary knife rest 1 is placed motionlessly, start first pneumatic cylinder 3, first pneumatic cylinder 3 drives and cuts cutting edge 21 and rotate, make and cut cutting edge 21 tangent with stationary knife edge 11, thereby cut, adjustment mechanism 4 can adjust the relative distance between cutting edge and the knife rest, start second pneumatic cylinder 42, second pneumatic cylinder 42 drives fixed bolster 43 and removes, fixed bolster 43 drives the cutting edge and removes, change the relative distance between cutting edge and the knife rest, thereby reach the effect that the cutting edge clearance was cut in the adjustment, the adaptation is to the shearing of different specification products.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a contain hydraulic pressure of cutting edge clearance adjustment device and cut which characterized in that: the method comprises the following steps:

a fixed knife rest (1) which is fixedly provided with a fixed knife edge (11);

the shearing tool rest (2) is hinged to the fixed tool rest (1), and a shearing blade (21) matched with the fixed blade (11) is arranged on the shearing tool rest (2);

the first hydraulic cylinder (3) is fixedly arranged on the fixed tool rest (1), and the output end of the first hydraulic cylinder (3) is hinged with the shearing tool rest (2) and is used for driving the shearing tool rest (2) to rotate;

adjusting mechanism (4), its fixed setting is in on stationary knife rest (1) and/or shearing knife rest (2), be used for connecting stationary knife edge (11) with stationary knife rest (1) and/or connection shearing knife edge (21) with shearing knife rest (2), and be used for adjusting stationary knife edge (11) with distance between stationary knife rest (1) and/or regulation shearing knife edge (21) with distance between shearing knife rest (2).

2. A hydraulic shear incorporating a shear blade clearance adjustment mechanism according to claim 1, wherein: the adjusting mechanism (4) comprises a base (41), a second hydraulic cylinder (42) and a fixed bracket (43);

the base (41) is fixedly arranged on the fixed tool rest (1) and/or the shearing tool rest (2), the second hydraulic cylinder (42) is fixedly arranged on the base (41), the output end of the second hydraulic cylinder (42) is fixedly arranged on the fixed support (43), and the fixed cutting edge (11) and/or the shearing cutting edge (21) are fixedly arranged on the fixed support (43).

3. A hydraulic shear incorporating a shear blade clearance adjustment mechanism according to claim 1, wherein: the fixed knife rest (1) and the shearing knife rest (2) are both provided with a baffle (5);

baffle (5) set up fixed cutting edge (11) with cut the both sides of cutting edge (21), and with fixed cutting edge (11) with cut cutting edge (21) sliding connection.

4. A hydraulic shear incorporating a shear blade clearance adjustment mechanism according to claim 1, wherein: scales are arranged on the fixed cutting edge (11) and the shearing cutting edge (21);

the extending direction of the scales is perpendicular to the cutting surfaces of the fixed blade (11) and the shearing blade (21).

5. A hydraulic shear incorporating a shear blade clearance adjustment mechanism according to claim 2, wherein: the fixed blade (11) and/or the shearing blade (21) is fixedly connected with the fixed bracket (43) through a bolt.