CN109079211B

CN109079211B - Steel plate shearing machine

Info

Publication number: CN109079211B
Application number: CN201811039643.1A
Authority: CN
Inventors: 周昱兴; 周光耀
Original assignee: Chongqing Shengyu New Material Co ltd
Current assignee: Chongqing Shengyu New Material Co ltd
Priority date: 2018-09-06
Filing date: 2018-09-06
Publication date: 2023-10-20
Anticipated expiration: 2038-09-06
Also published as: CN109079211A

Abstract

The invention provides a steel plate shearing machine, which belongs to the field of steel plate processing equipment and comprises a hinged movable knife rest and a fixed knife rest, wherein the movable knife rest is provided with a movable knife blade, the fixed knife rest is arranged on a base, the fixed knife rest is provided with a fixed knife blade, the movable knife blade and the fixed knife blade are oppositely arranged, one end, far away from the fixed knife rest, of the movable knife rest is provided with a hinged shaft sleeve, the hinged shaft sleeve is hinged with one end of a power connecting rod, the other end of the power connecting rod is hinged with a crankshaft, and the crankshaft is driven by a driving source to rotate to drive the movable knife rest to open or close a certain angle relative to the fixed knife rest through the power connecting rod. The invention has simple structure, convenient operation and high efficiency.

Description

Steel plate shearing machine

Technical Field

The invention belongs to the field of steel plate processing equipment, and relates to a steel plate shearing machine.

Background

The steel plate is in a flat plate shape, can be directly rolled or sheared by a wide steel belt, and is widely applied to the fields of buildings, automobiles, bridges, boilers, pressure vessel plates, multilayer high-pressure vessels and the like along with the development of economy.

The steel sheet exists with great dull and stereotyped, conveniently carries out transportation under initial dress, needs to cut into the steel sheet of unified shape, unified size at practical application's in-process, and convenient subsequent practical application, the steel sheet guillootine in present market is when accomplishing the cutting of corresponding structure, and is cutting on the lathe, and the cost is too high, or adopts the mould to cut, needs to set for specific mould and corresponding to cut, and the design mould frock is consuming time and consuming effort, and economic cost is also higher.

Disclosure of Invention

The invention aims to solve the problems of providing a steel plate shearing machine which is simple in structure, light, convenient and flexible to move and carry, convenient to operate and high in efficiency.

In order to solve the technical problems, the invention adopts the following technical scheme: the steel plate shearing machine comprises a movable cutter rest and a fixed cutter rest which are hinged, wherein a movable cutter blade is arranged on the movable cutter rest, the fixed cutter rest is arranged on a base, the fixed cutter blade is arranged on the fixed cutter rest, the movable cutter blade and the fixed cutter blade are oppositely arranged, the movable cutter rest is far away from one end of the fixed cutter rest, the hinged shaft sleeve is provided with a hinged shaft sleeve, the hinged shaft sleeve is hinged with one end of a power connecting rod, the other end of the power connecting rod is hinged on a crankshaft, and the crankshaft is driven by a driving source to rotate through the power connecting rod to drive the movable cutter rest to open or close a certain angle relative to the fixed cutter rest.

Further, the ends of the movable knife rest and the fixed knife rest are hinged through a hinge shaft, and the hinge shaft is sleeved at one end far away from the hinge shaft.

Further, the driving source is a cycloidal pin gear speed reducer and is fixedly locked on the base.

Further, the driving source is connected with the crankshaft through a coupling, the crankshaft is of a shape like a Chinese character 'ji', the power connecting rod is hinged to the middle of the crankshaft, one end of the crank, which is far away from the driving source, is provided with a bearing seat which is rotationally connected with the crank, and the bearing seat is fixedly locked on the base.

Further, a sliding shaft sleeve is arranged between the power connecting rod and the crankshaft, and the sliding shaft sleeve is formed by integrally forming copper materials.

Furthermore, a plurality of connecting holes are uniformly distributed on the movable knife rest, and the movable knife blade is detachably connected with the movable knife rest through the connecting holes.

Further, the crank rotates for one circle, and the opening angle range of the movable knife rest relative to the fixed knife rest is 0-40 degrees.

Furthermore, the fixed knife rest is a frame framework and is formed by integrally welding or assembling angle steel.

Further, the rear end of the upper end of the fixed cutter frame is vertically provided with a first positioning block, two sides of the fixed cutter frame are symmetrically and vertically provided with a second positioning block, the first positioning block is fixedly arranged on the fixed cutter frame, the second positioning block is arranged on a force output shaft of a positioning cylinder, the positioning cylinder is fixedly arranged on the fixed cutter frame through an adapter plate, and the symmetrically arranged second positioning blocks can move relatively.

Further, the number of the second positioning blocks is multiple groups and the second positioning blocks are arranged on the positioning knife rest in parallel, a movable knife rest, a fixed knife blade and a movable knife blade which are matched are arranged between two adjacent groups, the vertical distances between the adjacent fixed knife blades are the same, and the vertical distance between the first positioning block and the nearest fixed knife blade is the same as the distance between the adjacent fixed knife blades.

Compared with the prior art, the invention has the advantages and positive effects that: 1. the utility model discloses set up crank and power connecting rod, realized opening and closing to moving the knife rest with crank connecting rod structure, simple structure, the driving source direct control crank is rotatory moreover, replaces manual operation, has reduced intensity of labour, has promoted work efficiency moreover; 2. the driving source adopts a cycloidal pin gear speed reducer, the transmission ratio can be set to a relatively large specific speed, the torque is improved, and the requirement of high-force cutting is met; 3. the fixed knife rest is formed by welding or assembling sectional materials, so that the material is convenient to obtain, the cost is low, the strength is high, and the frame structure is adopted, so that the material is saved, and the strength is further improved; 4. the first positioning block and the second positioning block are arranged on the positioning knife rest, so that the front and back positions and the two sides of the steel plate can be positioned, the size consistency of the steel plate at each time is ensured, and the consistency of the cutting size is ensured; 5. the multi-blade cutting machine has the advantages that the plurality of groups of fixed blades and the movable blades are arranged, and one steel plate can simultaneously cut multiple pieces with uniform specifications, so that the cutting efficiency is greatly improved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:

FIG. 1 is a side view of a steel plate shearer of the present invention;

FIG. 2 is a top view of the steel plate shearer of the present invention;

FIG. 3 is a side view of the movable blade carrier of the present invention;

FIG. 4 is a top view of the movable blade carrier of the present invention;

fig. 5 is a layout diagram of a practical application process of the present invention.

Reference numerals:

1-a base; 2-a driving source; a 3-coupling; 4-a crankshaft; 5-sliding sleeve; 6-bearing seats; 7-a power link; 8-a movable knife rest; 81-connecting holes; 9-moving blade; 10-fixing the knife blade; 11-a fixed cutter rest; 12-hinging a shaft sleeve; 13-a bracket; 14-hinging the shaft; 15-a first positioning block; 16-a second positioning block; 161-positioning cylinder; 162-patch panel.

Detailed Description

It should be noted that, without conflict, the embodiments of the present invention and features of the embodiments may be combined with each other.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art in a specific case.

Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 and 2, the invention relates to a steel plate shearing machine, which comprises a movable cutter rest 8 and a fixed cutter rest 11 which are hinged, wherein a movable cutter blade 9 is arranged on the movable cutter rest 8, the fixed cutter rest 11 is arranged on a base 1, a fixed cutter blade 10 is arranged on the fixed cutter rest 11, the movable cutter blade 9 and the fixed cutter blade 10 are oppositely arranged, one end, far away from the fixed cutter rest 11, of the movable cutter rest 8 is provided with a hinged shaft sleeve 12, the hinged shaft sleeve 12 is hinged with one end of a power connecting rod 7, the other end of the power connecting rod 7 is hinged with a crankshaft 4, and the crankshaft 4 is driven by a driving source 2 to rotate to drive the movable cutter rest 8 to open or close a certain angle relative to the fixed cutter rest 11 through the power connecting rod 7.

Preferably, the ends of the movable knife rest 8 and the fixed knife rest 11 are hinged through a hinge shaft 14, a hinge shaft sleeve 12 is arranged at one end far away from the hinge shaft 14, the power connecting rod 7 is used for positioning the movable knife rest 8 at a large force arm, the labor is saved, and the same shearing force can be used for selecting a driving source 2 with smaller power, so that the energy consumption is saved.

Preferably, the driving source 2 is a cycloidal pin gear speed reducer, the driving source 2 is fixedly locked on the base 1, the transmission ratio can be set to a relatively large specific speed, the torque is improved, and the requirement of high-force cutting is met.

Preferably, the driving source 2 is connected with the crankshaft 4 through the coupler 3, the coupler 3 is arranged to be connected more conveniently, the connection firmness is stronger, the adjustment is convenient, the crankshaft 4 is of a Chinese character 'ji' shaped structure, the power connecting rod 7 is hinged at the middle part of the crankshaft 4, one end of the crank, which is far away from the driving source 2, is provided with the bearing seat 6 which is rotationally connected with the crank, the bearing seat 6 is fixedly locked on the base 1, after the bearing seat 6 is arranged, the crankshaft 4 is provided with bearing points at two ends, the rotation is more stable and reliable, flexible torsion is not easy to occur, and the stability of long-term operation is improved.

Preferably, a sliding shaft sleeve 5 is arranged between the power connecting rod 7 and the crankshaft 4, the sliding shaft sleeve 5 is integrally formed by copper materials, the wear resistance between the power connecting rod 7 and the crankshaft 4 is improved, the stability of the whole structure is improved, the service life is prolonged, the time is long, the continuous shearing is carried out, the performance is stable, and the maintenance period is long.

Preferably, as shown in fig. 3 and 4, a plurality of connecting holes 81 are uniformly distributed on the movable knife rest 8, the movable knife blade 9 is detachably connected with the movable knife rest through the connecting holes 81, the movable knife blade 9 is connected with the movable knife rest 8 through the connecting holes 81, and the movable knife blade 9 can be conveniently replaced in a state of cutting and wearing for many times.

Preferably, the crank rotates for one circle, the opening angle range of the movable knife rest 8 relative to the fixed knife rest 11 is 0-40 degrees, preferably 0-30 degrees, the angle is overlarge, the stroke of the movable knife rest 8 is overlarge, the stroke waste is caused, the working efficiency is reduced, the angle is overlarge, and the steel plate blanking is inconvenient to operate; more preferably, the fixed knife rest 11 is a frame framework and is formed by integrally welding or assembling angle steel, the angle steel is convenient to obtain, high in strength and low in cost, and the fixed knife rest 11 is fixedly arranged on the base 11 through the bracket 13.

Preferably, as shown in fig. 5, a first positioning block 15 is vertically arranged at the rear end of the upper end of the positioning knife rest 11, two sides of the positioning knife rest 11 are symmetrically and vertically provided with a second positioning block 16, the first positioning block 15 is fixedly arranged on the positioning knife rest 11, the second positioning block 16 is arranged on a force output shaft of a positioning cylinder 161, the positioning cylinder 161 is fixedly arranged on the positioning knife rest 11 through an adapter plate 162, the symmetrically arranged second positioning block 16 can move relatively, the first positioning block 15 can position the front and rear positions of a steel plate, the steel plate is directly conveyed to be in contact with the first positioning block 15 after being fed, the length of the steel plate cut each time is ensured to be consistent, the second positioning block 16 is arranged to limit the left side and the right side of the steel plate, and the transverse positioning of the steel plate in the cutting process is ensured, and the stability and the positioning precision of the cutting are ensured; preferably, the number of the second positioning blocks 16 is multiple groups and are arranged on the fixed cutter rest 11 in parallel, the movable cutter rest 8, the fixed cutter rest 11, the fixed cutter blades 10 and the movable cutter blades 9 which are matched are arranged between two adjacent groups, the vertical distances between the adjacent fixed cutter blades 10 are the same, the vertical distance between the first positioning block 15 and the nearest fixed cutter blade 10 is the same as the distance between the adjacent fixed cutter blades 10, and the cutting of a plurality of steel plates with the same specification can be completed at the same time through one positioning, so that the cutting efficiency is greatly improved.

In the actual working process, the driving source 2 rotates, the crankshaft 4 is driven to rotate through the coupler 3, and then the power connecting rod 7 rotates relative to the crankshaft 4 and moves forward and backward, the opening and closing actions of the movable cutter rest 8 relative to the fixed cutter rest 11 are realized, the relative movement angle range of the movable cutter rest 8 is 0-40 degrees, namely, the shearing action is realized when the included angle changes from 0 degrees to 40 degrees, the movable cutter rest 8 is opened, the shearing is realized when the included angle changes from 40 degrees to 0 degrees, namely, the movable cutter rest 8 is unfolded to the maximum position when the crankshaft 4 drives the power connecting rod 7 to rotate to the rearmost side, when the crankshaft 4 drives the movable cutter connecting rod to rotate to the foremost side, the angle of the movable cutter rest 8 is reduced to 0 degrees, the shearing is realized, the process of the angle from the maximum to the minimum is the shearing, the process of unfolding feeding is realized when the angle is the minimum to the maximum, the first positioning block 15 can ensure the forward and backward position of a steel plate, the second positioning block 16 can ensure the left and right positions of the steel plate, the accurate positioning of three directions is realized, the dimensional uniformity of shearing is ensured, the size of the shearing can be ensured, and the same number of the plurality of cutter blades can be set up to the same kind of cutter blades, and the cutting efficiency of the cutter blades 10 can be increased, and the same kind of cutter blades can be cut.

The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.

Claims

1. Steel sheet cutter, its characterized in that: the automatic cutter comprises a movable cutter rest and a fixed cutter rest which are hinged, wherein the movable cutter rest is provided with a movable cutter blade, the fixed cutter rest is arranged on a base, the fixed cutter rest is provided with a fixed cutter blade, the movable cutter blade and the fixed cutter blade are oppositely arranged, one end of the movable cutter rest, which is far away from the fixed cutter rest, is provided with a hinged shaft sleeve, the hinged shaft sleeve is hinged with one end of a power connecting rod, the other end of the power connecting rod is hinged on a crankshaft, and the crankshaft is driven by a driving source to rotate to drive the movable cutter rest to open or close a certain angle relative to the fixed cutter rest through the power connecting rod;

the ends of the movable knife rest and the fixed knife rest are hinged through a hinge shaft, and the hinge shaft is sleeved at one end far away from the hinge shaft; the driving source is a cycloidal pin gear speed reducer and is fixedly locked on the base; the driving source is connected with the crankshaft through a coupler, the crankshaft is of a shape like a Chinese character 'ji', the power connecting rod is hinged to the middle part of the crankshaft, one end of the crankshaft, which is far away from the driving source, is provided with a bearing seat which is rotationally connected with the crankshaft, and the bearing seat is fixedly locked on the base; a sliding shaft sleeve is arranged between the power connecting rod and the crankshaft, and the sliding shaft sleeve is integrally formed by copper materials; a plurality of connecting holes are uniformly distributed on the movable knife rest, and the movable knife blade is detachably connected with the movable knife rest through the connecting holes; the crankshaft rotates for one circle, and the opening angle range of the movable knife rest relative to the fixed knife rest is 0-40 degrees; the fixed knife rest is a frame framework and is formed by integrally welding or assembling angle steel; the rear end of the upper end of the fixed cutter rest is vertically provided with a first positioning block, two sides of the fixed cutter rest are symmetrically and vertically provided with a second positioning block, the first positioning block is fixedly arranged on the fixed cutter rest, the second positioning block is arranged on a force output shaft of a positioning cylinder, the positioning cylinder is fixedly arranged on the fixed cutter rest through an adapter plate, and the symmetrically arranged second positioning blocks can move relatively; the number of the second positioning blocks is multiple groups and the second positioning blocks are arranged on the fixed cutter rest in parallel, a movable cutter rest, a fixed cutter blade and a movable cutter blade which are matched are arranged between two adjacent groups, the vertical distances between the fixed cutter blades which are arranged adjacently are the same, and the vertical distance between the first positioning block and the nearest fixed cutter blade is the same as the distance between the adjacent fixed cutter blades.