CN210498534U - Novel automatic pendulum-type plate shearing machine - Google Patents

Abstract

The utility model discloses a novel automatic pendulum-type plate shearing machine, which belongs to the field of plate processing equipment and comprises a plate shearing machine main body, a lower blade arranged on a lower blade frame in the plate shearing machine main body, an upper blade arranged at the bottom of the upper blade frame in the plate shearing machine main body and capable of swinging, and a material pressing frame arranged above the lower blade and used for pressing materials to be sheared, wherein the included angle between the shearing edge of the upper blade and the horizontal line is more than or equal to 2 degrees and less than or equal to α degrees and less than or equal to 2 degrees and 30 degrees, the relationship between the gap d between the lower blade and the upper blade and the thickness h of the materials to be machined exists, the d is more than or equal to 0.06h and less than or equal to 0.09h, the material pressing frame comprises a material pressing plate and a pressure foot, the material pressing plate is connected above the lower blade in a lifting manner, the pressure foot is fixedly connected to the bottom of the material pressing plate, the pressure foot is a cylinder, and the distance between the adjacent pressure feet is less than 35 mm.

Description

Novel automatic pendulum-type plate shearing machine

Technical Field

The utility model belongs to panel processing equipment field, more specifically say, relate to novel automatic pendulum-type plate shearing machine.

Background

The plate shearing machine is a machine for shearing a plate by using a blade to do reciprocating linear motion relative to another blade, and applies shearing force to metal plates with various thicknesses by using a reasonable blade gap through a moving upper blade and a fixed lower blade so as to break and separate the plates according to required sizes. A plate shearing machine belongs to one of forging and pressing machines and mainly plays a role in the metal processing industry. The product is widely suitable for providing required special machinery and complete equipment in the industries of aviation, light industry, metallurgy, chemical industry, building, ships, automobiles, electric power, electric appliances, decoration and the like.

The pendulum plate shearing machine is one of the plate shearing machines, compared with the ordinary plate shearing machine, the pendulum plate shearing machine mostly adopts the oblique edge to shear, because simple structure, low failure rate, high shearing efficiency and the sheared plate material does not have bow-shaped, warpage, distortion and deformation and is widely used, the upper blade of the plate shearing machine is usually arranged obliquely, the shearing angle is usually between 1-1 degrees 30', the corresponding control motor speed ratio is between 40-50, along with the industrial development, the further promotion to the production rhythm demand needs, the plate shearing machine is required to have faster shearing speed, when the motor speed ratio is reduced, the discovery is carried out after the cutter shearing speed is improved, the plate sheared by the existing cutter has burrs under the condition of low speed ratio, the shearing quality is poor, and the cutter damage frequency is increased.

Through retrieval, the Chinese patent publication number: CN2543642Y, published: in 9 th 4 th 2003, an upper blade is mounted on an upper blade holder through a fastener, the movable two ends of a hydraulic cylinder are respectively connected with a base and the upper blade holder through fasteners, a pair of lower blades are mounted on a phase seat through fasteners, the upper blade is in a human-shaped relative oblique angle and is divided into two halves, and the inclination of the two ends of the upper blade is 3-6 degrees. This application is through the improvement to the upper slitter piece shape and the improvement to inclination for this plate shearing machine can cut the thicker panel of broad, and can adapt to the operating mode of low-speed ratio, but the cutter in this application needs to process the customization alone, has increased the cost of plate shearing machine, and this upper slitter piece middle part easily takes place to damage in the use, and there is the serious phenomenon of warpage in the panel of shearing through it.

Through retrieval, the Chinese patent publication number: CN205129056U, published: 2016, 4 and 6 days, discloses a plate shearing machine, which comprises an upper knife edge, a shearing oil cylinder, a hydraulic oil cylinder, a machine body and an upper knife rest, wherein a workbench is arranged at the throat of the machine body on the machine body, a safety cover is arranged on the surface of the machine body, a front vertical plate is arranged at the side end of the upper knife rest, the shearing edge inclination angle of the front vertical plate and a vertical plane is 1.5 degrees, the upper knife edge is fixed at the bottom end of the front vertical plate, and the upper knife rest is respectively in floating connection with the shearing oil cylinder and the hydraulic oil cylinder. Although the upper blade of the application can produce better shearing quality for the plate and avoid the phenomena of warping and end surface tearing, the cutter of the application is extremely easy to damage under the working condition environment with low speed ratio.

SUMMERY OF THE UTILITY MODEL

1. Problems to be solved

To current plate shearing machine top blade fragile, the poor problem of quality is cuted to panel, the utility model provides a novel automatic pendulum-type plate shearing machine through the contained angle adjustment to suitable angle with top blade cutting edge and horizontal line space, makes the plate shearing machine cutter can adapt to the high-speed shearing of low-velocity ratio, and guarantees cutter life and cuts panel quality.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

A novel automatic pendulum plate shearing machine comprises a machine body,

a plate shearing machine main body;

the lower blade is arranged on a lower tool rest in the plate shearing machine main body;

the upper blade is arranged in the plate shearing machine main body and can swing the bottom of the upper tool rest; and

the material pressing frame is arranged above the lower blade and used for pressing the material to be sheared;

the included angle between the cutting edge of the upper blade and the horizontal line is not less than 2 degrees and not more than α degrees and not more than 2 degrees and not more than 30 degrees.

The applicant finds that the loss of the cutter and the shearing quality of the plate can be improved by adjusting the shearing angle to a proper range under the condition that the shape structure and the material components of the original upper blade are not changed aiming at the working condition with the speed ratio of 25-30.

When the speed ratio is 25-30, when the shearing angle is α degrees and is less than 2 degrees, the service life of the upper blade is shortened compared with that of the upper blade of the traditional plate shearing machine with the speed ratio of 40-50, the replacement frequency is accelerated, when the shearing angle is α degrees and is more than 2 degrees and 30 degrees, the frequency of sheared edge burrs of the plate after shearing is increased, the shearing end face is torn, when the shearing angle is 2 degrees and is not more than α degrees and is not more than 2 degrees and 30 degrees, the service life of the upper blade is relatively prolonged, and the probability of the phenomena of sheared edge burrs and end face tearing is low.

Furthermore, the speed ratio of the novel automatic pendulum plate shearing machine is 29, the shearing angle α is 2 degrees 11 degrees, the shearing speed of the plate is higher than that of the traditional plate shearing machine, the service life of the upper blade is prolonged compared with that of the upper blades at other shearing angles under the same working condition, the service life of the upper blade is prolonged by 75 percent compared with that of the upper blade at the shearing angle of 1 degree under the same working condition, the service life of the upper blade at the shearing angle of 1 degree 30 percent under the same working condition is prolonged by 45 percent, and the qualified rate of the plate sheared by the novel automatic pendulum plate shearing machine reaches 99 percent.

Further, a relation exists between a knife edge gap d between the lower blade and the upper blade and the thickness h of the material to be processed;

0.06h≤d≤0.09h。

aiming at the modification of the shearing angle of the upper blade, the knife edge gap d between the lower blade and the upper blade needs to be adjusted adaptively, and researches show that when the knife edge gap d is too small and is less than 0.06h, the problem of the bite of the upper blade and the lower blade can occur, the sharpness of the knife edge of the knife is influenced if the knife edge gap d is too small, and the crack of the knife edge of the knife is caused if the knife edge gap d is too large; if the blade gap is too large, if the blade gap is larger than 0.09h, the machined workpiece is slightly large in burr and poor in straightness, and if the workpiece is not cut, the damage of the plate shearing machine equipment can be caused, the blade gap is controlled to be not less than 0.06h and not more than 0.09h, the failure rate of the plate shearing equipment is greatly reduced, the quality of a sheared product is further ensured, and the final product yield is more than 98%.

The novel automatic pendulum-type plate shearing machine of this scheme, the velocity ratio is 29, cuts angle α ═ 2 11', and edge of a knife clearance d ═ 0.08d, reaches 99% via the panel qualification rate of the novel automatic pendulum-type plate shearing machine shearing of this scheme.

Further, the material pressing frame comprises a material pressing plate and a pressing foot, the material pressing plate is connected above the lower blade in a lifting mode, and the pressing foot is fixedly connected to the bottom of the material pressing plate.

The guide rail is arranged in the vertical direction above the upper blade and the lower blade of the plate shearing machine main body, the pressure plate is movably connected in the guide rail, lifting motion is carried out under the driving of the driving piece, the pressure feet are arranged on the lower bottom surface of the pressure plate side by side, the pressure plate descends when the plate is sheared, the pressure foot is driven to descend, the plate to be sheared is pressed and fixed, and the plate motion influence in the shearing process is prevented from influencing the shearing effect and the service life of the shearing tool.

Further, the presser foot is the cylinder, and the interval of adjacent presser foot is less than 35 mm.

The pressure mount is when compressing tightly panel, presser foot and panel direct contact, this scheme adopts the cylinder presser foot, prevent that the indentation from appearing in the border of presser foot and panel contact surface, interval through setting up adjacent presser foot is less than 35mm, the presser foot is more stable to the fixed effect of panel, when adjacent presser foot interval sets up too big, panel part between the adjacent presser foot can't receive to compress tightly fixedly, stress action is down when cuting, the perk probably appears in this position panel, thereby cause the damage to the cutter, and there is the tearing phenomenon in the panel terminal surface of having cuted, be less than 35mm with adjacent presser foot interval control through this scheme, treat to cut panel and provide stable compressing tightly fixed, prevent that panel from perk at shearing in-process, further improve panel shearing quality.

Further, the bottom of the presser foot is fixedly connected with an elastic head.

The elastic head is shape and presser foot shape phase-match, and the elastic head is made by elastic material, and the elastic head is made for solid rubber material in this scheme, and when the presser foot descends, the elastic head with treat shearing panel direct contact, prevent to appear the indentation on treating shearing panel face, influence shearing product quality.

3. Advantageous effects

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the novel automatic pendulum plate shearing machine of the utility model optimizes and improves the shearing angle of the upper blade, so that the service life of the upper blade of the plate shearing machine under the low-speed-ratio working condition is ensured, and the probability of burr occurrence and the probability of end surface tearing occurrence are low in the shearing process of plates;

(2) the novel automatic pendulum plate shearing machine of the utility model further optimizes and improves the gap between the lower blade and the upper blade, further reduces the failure rate of plate shearing equipment, and improves the qualification rate of shearing products;

(3) the novel automatic pendulum plate shearing machine provided by the utility model has the advantages that the material pressing frame compresses and fixes the plate to be sheared, and the plate motion in the shearing process is prevented from influencing the shearing effect and the service life of the shearing tool;

(4) the novel automatic pendulum plate shearing machine has the advantages that the distance between the adjacent press feet is less than 35mm, stable compression and fixation are provided for a plate to be sheared, the plate is prevented from being warped in the shearing process, and the shearing quality of the plate is further improved;

(5) the novel automatic pendulum plate shearing machine has the advantages that the elastic head is made of elastic materials, when the presser foot descends, the elastic head is in direct contact with a plate to be sheared, and the phenomenon that indentation on the surface of the plate to be sheared affects the quality of a sheared product is prevented;

(6) the utility model discloses simple structure, reasonable in design easily makes.

Drawings

Fig. 1 is a main view of the novel automatic pendulum plate shearing machine of the present invention;

fig. 2 is a left side view of the novel automatic pendulum plate shearing machine of the present invention;

FIG. 3 is a right side view of the novel automatic pendulum clipper of the present invention;

FIG. 4 is an enlarged view of A in FIG. 1;

fig. 5 is an enlarged view of B in fig. 4.

In the figure:

1. a plate shearing machine main body;

2. a lower blade;

3. an upper blade;

4. a material pressing frame; 40. a material pressing plate; 41. a presser foot; 410. an elastic head.

Detailed Description

The invention will be further described with reference to specific embodiments and drawings.

Example 1

The novel automatic pendulum clipper of this embodiment, as shown in fig. 1, 2 and 3, includes,

a plate shearing machine main body 1;

the lower blade 2 is arranged on a lower tool rest in the plate shearing machine main body 1;

the upper blade 3 is arranged in the plate shearing machine main body 1 and can swing the bottom of the upper tool rest; and

the material pressing frame 4 is arranged above the lower blade 2 and used for pressing materials to be sheared;

the included angle between the cutting edge of the upper blade 3 and the horizontal line is not less than 2 degrees and not more than α degrees and not more than 2 degrees and not more than 30 degrees.

In the existing pendulum plate shearing machine, an included angle between a shearing edge of an upper blade 3 and a horizontal line, namely a shearing angle, is 1-1 degrees 30', and the pendulum plate shearing machine is suitable for a working condition environment with a speed ratio of 40-50, in order to improve the plate shearing efficiency of the plate shearing machine and meet the requirements of industrial production rhythm, the speed ratio can be reduced to 25-30 by adjusting the speed ratio, and the plate shearing speed of the plate shearing machine can be greatly improved, but in the practical use, the fact that when the speed ratio is 25-30, the loss of the upper blade 3 of the existing plate shearing machine is accelerated, the phenomenon of plate burrs after being sheared by the plate shearing machine is aggravated is found, a common solution for the phenomenon is to improve the structure of the upper blade, the loss is reduced by strengthening the performance of the material of the upper blade, the quality of a plate after being sheared is improved by optimizing the appearance structure of the upper blade, but the mode needs to invest larger research and development cost and production cost, finally, the overall cost of the plate shearing machine is improved, the plate shearing machine is not economical and is not suitable for small enterprises, and the following changes are made in the application aiming at the situation:

in the application, the included angle α between the cutting edge of the upper blade 3 and the horizontal line is controlled to be 2-2 degrees 30', as shown in fig. 5, the applicant finds that, in the case of working conditions with a speed ratio of 25-30, the loss of the cutter and the cutting quality of the plate can be improved by adjusting the cutting angle to a proper range under the condition that the shape structure and the material components of the original upper blade 3 are not changed.

When the speed ratio is 25-30, when the shearing angle α is less than 2 degrees, the service life of the upper blade 3 is shortened compared with that of the upper blade 3 of the traditional plate shearing machine with the speed ratio of 40-50, the replacement frequency is accelerated, when the shearing angle α is more than 2 degrees 30', the frequency of sheared edge burrs of the plate is increased, the shearing end face is torn, when the shearing angle is more than or equal to 2 degrees and less than or equal to α, the service life of the upper blade 3 is relatively prolonged, and the probability of the phenomena of sheared edge burrs and end face tearing is low.

Further, the speed ratio of the novel automatic pendulum-type plate shearing machine of this embodiment is 29, the shearing angle α is 2 ° 11 ', the shearing speed to panel is greater than traditional plate shearing machine, the life of upper blade 3 is all prolonged to some extent compared with the upper blade of other shearing angles under the same operating mode, the life of upper blade 3 is prolonged 75% compared with the life of upper blade 3 with shearing angle of 1 ° under the same operating mode, the life of upper blade 3 with shearing angle of 1 ° 30' under the same operating mode is prolonged 45%, the probability of occurrence of rough edges of panel sheared by the novel automatic pendulum-type plate shearing machine of this embodiment is low, and the quality of sheared panel is obviously improved.

Example 2

The novel automatic pendulum plate shearing machine of the embodiment is further improved on the basis of the embodiment 1, and a relational expression exists between a knife edge gap d between the lower blade 2 and the upper blade 3 and the thickness h of a material to be machined;

0.06h≤d≤0.09h。

aiming at the modification of the shearing angle of the upper blade 3, the knife edge gap d between the lower blade 2 and the upper blade 3 also needs to be adjusted adaptively, and researches show that when the knife edge gap d is too small and is less than 0.06h, the problem of the bite of the upper and lower blade edges occurs, the sharpness of the cutter edge is influenced if the knife edge gap d is too small, and the crack of the cutter edge is caused if the knife edge gap d is too large; if the blade gap is too large, and is larger than 0.09h, the machined workpiece is slightly large in burr and poor in straightness, and if the blade gap is too large, the workpiece cannot be sheared and the plate shearing machine equipment can be damaged, in the embodiment, the blade gap is controlled to be not less than 0.06h and not more than 0.09h, the failure rate of the plate shearing machine equipment is greatly reduced, the quality of a sheared product is further ensured, and the final product yield is more than 98%.

The speed ratio of the novel automatic pendulum plate shearing machine of this embodiment is 29, and shearing angle α is 2 ° 11', and blade gap d is 0.08d, and the qualification rate of the plate sheared by the novel automatic pendulum plate shearing machine of this embodiment reaches 99%.

Example 3

The novel automatic pendulum plate shearing machine of this embodiment is further improved on the basis of embodiment 1 or 2, as shown in fig. 4, the pressing frame 4 includes a pressing plate 40 and a pressing foot 41, the pressing plate 40 is connected above the lower blade 2 in a lifting manner, and the pressing foot 41 is fixedly connected to the bottom of the pressing plate 40.

The pressure material frame 4 structure of this embodiment is current structure, and the top of blade 2 is equipped with the guide rail along vertical direction about plate shearing machine main part 1, presses flitch 40 movable to be connected in the guide rail, is elevating movement under the drive of driving piece, and presser foot 41 is equipped with a plurality ofly, arranges side by side in the lower bottom surface of pressing flitch 40, and during the board is cut to the cut, presses flitch 40 to descend, drives presser foot 41 and descends, treats to cut panel and compresses tightly fixedly, prevents to cut the life-span that effect and shearing tool are sheared in-process panel motion influence.

Example 4

The novel automatic pendulum plate shearing machine of this embodiment is further improved on the basis of embodiment 3, and presser foot 41 is the cylinder, and the interval of adjacent presser foot 41 is less than 35 mm.

Pressing frame 4 is when compressing tightly panel, presser foot 41 and panel direct contact, this embodiment adopts cylinder presser foot 41, prevent that the indentation from appearing in the border of presser foot 41 and panel contact surface, interval through setting up adjacent presser foot 41 is less than 35mm, presser foot 41 is more stable to the fixed effect of panel, when adjacent presser foot 41 interval sets up too big, panel part between the adjacent presser foot 41 can't receive to compress tightly fixedly, stress effect is down when cuting, this position panel probably appears the perk, thereby cause the damage to the cutter, and there is the tearing phenomenon in the panel terminal surface of cuting the completion, it is less than 35mm with adjacent presser foot 41 interval control through this embodiment, treat to cut panel and provide stable compressing tightly fixed, prevent panel perk at shearing in-process, further improve panel shearing quality.

Example 5

The novel automatic pendulum plate shearing machine of this embodiment is further improved on the basis of embodiment 4, as shown in fig. 4, an elastic head 410 is fixedly connected to the bottom of the presser foot 41.

The shape of the elastic head 410 is matched with that of the presser foot 41, and the elastic head 410 is made of an elastic material, in the embodiment, the elastic head 410 is made of a solid rubber material, when the presser foot 41 descends, the elastic head 410 is in direct contact with a plate to be sheared, and the phenomenon that the surface of the plate to be sheared is indented to influence the quality of a sheared product is prevented.

The examples of the utility model are only right the utility model discloses a preferred embodiment describes, and not right the utility model discloses design and scope are injectd, do not deviate from the utility model discloses under the prerequisite of design idea, the field engineering technical personnel are right the utility model discloses a various deformation and improvement that technical scheme made all should fall into the protection scope of the utility model.

Claims (4)

1. A novel automatic pendulum plate shearing machine comprises a machine body,

a plate shearing machine body (1);

the lower blade (2) is arranged on a lower tool rest in the plate shearing machine main body (1);

the upper blade (3) is arranged in the plate shearing machine main body (1) and can swing the bottom of the upper tool rest; and

the material pressing frame (4) is arranged above the lower blade (2) and used for pressing materials to be sheared;

the angle between the cutting edge of the upper blade (3) and the horizontal line is α, α is more than or equal to 2 degrees and 30 degrees;

a relation exists between a knife edge gap d between the lower blade (2) and the upper blade (3) and the thickness h of the material to be processed;

0.06h≤d≤0.09h。

2. the novel automatic pendulum plate shears according to claim 1, characterized by: the material pressing frame (4) comprises a material pressing plate (40) and a pressure foot (41), the material pressing plate (40) is connected above the lower blade (2) in a lifting mode, and the pressure foot (41) is fixedly connected to the bottom of the material pressing plate (40).

3. The novel automatic pendulum plate shears according to claim 2, characterized in that: the presser foot (41) is a cylinder, and the distance between adjacent presser feet (41) is less than 35 mm.

4. The novel automatic pendulum plate shears according to claim 3, characterized in that: the bottom of the presser foot (41) is fixedly connected with an elastic head (410).

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