CN112548375A - Automatic section bar feeding method for laser cutting machine - Google Patents

Abstract

The invention discloses an automatic section feeding method for a laser cutting machine, which belongs to the field of feeding and discharging for the laser cutting machine, and aims to solve the technical problem of realizing automatic feeding of various sections such as I-shaped steel, channel steel, pipes and the like, reduce the labor intensity of operators and improve the production efficiency and the production safety, and the adopted technical scheme is as follows: the method comprises the following specific steps: (1) placing the section on a section warehouse bracket of the frame by using a forklift or a gantry crane, wherein the section warehouse bracket is V-shaped and ensures that the section gathers to the center of the section warehouse bracket; (2) the feeding cross beam moves on the cross arm of the rack through the roller mechanism, so that the feeding cross beam moves to the middle position of the section material warehouse bracket; (3) the profile extraction device on the feeding cross beam moves downwards, the electromagnet suction disc at the lower end of the profile extraction device touches the profile, and the electromagnet suction disc is electrified so as to adsorb the profile; (4) the profile extraction device is lifted upwards and the profile is extracted.

Description

Automatic section bar feeding method for laser cutting machine

Technical Field

The invention relates to the field of feeding and discharging for a laser cutting machine, in particular to an automatic section feeding method for the laser cutting machine.

Background

Laser cutting is the most important application technology in the laser processing industry, and accounts for more than 70% of the whole laser processing. Compared with other cutting methods, the laser cutting method has the advantages of high cutting precision, good stability, stable dynamic performance, long-time continuous work and good cutting section quality, quickly occupies the market of the cutting laser industry, particularly the application of a high-power optical fiber laser, and brings a new approach for metal cutting. In the same kind of processing equipment, the laser cutting machine has small volume, light weight, low power consumption and flexible use. However, when the pipe is cut by the laser cutting machine, manual assistance is needed to complete feeding, the labor intensity of operators is high, the production efficiency is low, and potential safety hazards exist. The existing common feeding mode is that a section is placed on a nylon belt, the nylon belt is driven to be tensioned through a motor, the section is placed on a feeding mechanism, feeding of a single pipe can be achieved only, and feeding can not be achieved due to the special section shapes of I-shaped steel and channel steel. Therefore, how to realize automatic feeding of various profiles such as I-shaped steel, channel steel, pipes and the like, reduce the labor intensity of operators, and improve the production efficiency and the production safety is a technical problem to be solved urgently at present.

Disclosure of Invention

The technical task of the invention is to provide an automatic section feeding method for a laser cutting machine, which solves the problems of how to realize automatic feeding of various sections such as I-shaped steel, channel steel, pipes and the like, reduce the labor intensity of operators and improve the production efficiency and the production safety.

The technical task of the invention is realized in the following way, and the method for automatically feeding the section bar for the laser cutting machine comprises the following steps:

(1) placing the section on a section warehouse bracket of the frame by using a forklift or a gantry crane, wherein the section warehouse bracket is V-shaped and ensures that the section gathers to the center of the section warehouse bracket;

(2) the feeding cross beam moves on the cross arm of the rack through the roller mechanism, so that the feeding cross beam moves to the middle position of the section material warehouse bracket;

(3) the profile extraction device on the feeding cross beam moves downwards, the electromagnet suction disc at the lower end of the profile extraction device touches the profile, and the electromagnet suction disc is electrified so as to adsorb the profile;

(4) lifting the section extraction device upwards, and extracting the section;

(5) the feeding cross beam continues to move towards the direction of the feeding device;

(6) after the feeding cross beam moves above the feeding device, the section material extracting device places the section material on the feeding device, the electromagnet suction disc loses power, and the section material falls on the feeding device;

(7) the material passing and feeding device conveys the section bar to the lower part of the clamping jaw mechanism, and the section bar is jacked up and placed in front of the clamping jaw mechanism through the material passing and feeding device, and the clamping jaw mechanism clamps the section bar forwards;

(8) and the clamping jaw mechanism forwards places the I-steel at the section bar laser cutting machine, and the section bar laser cutting machine clamps the section bar to finish cutting.

Preferably, two ends of the feeding beam are respectively provided with a roller mechanism, each roller mechanism comprises a roller motor, a roller driving pulley, a roller driven pulley, a roller driving shaft and a roller support, a base body end of each roller motor is mounted on the feeding beam through a roller motor base, an output end of each roller motor is connected with the roller driving pulley in a rotating mode, each roller driving pulley is connected with the corresponding roller driven pulley through a roller synchronous belt, each roller driven pulley is mounted on the corresponding roller support, and each roller support is mounted at one end of the feeding beam and located below the corresponding roller motor base.

Preferably, the roller bracket is provided with a roller driving shaft and a roller driven shaft, the roller driven belt pulley is mounted on the roller driving shaft, the roller driving shaft is provided with a driving roller, the roller driven shaft is provided with a driven roller, and the driving roller and the driven roller are respectively in sliding fit with the cross brace of the rack;

two guide rollers are arranged below the roller bracket, the guide rollers are arranged on the feeding cross beam and are in sliding fit with one side surface of the cross brace of the rack.

Preferably, the section extraction device comprises a connecting fixing plate and a section extraction arm, one side surface of the connecting fixing plate is mounted on the feeding cross beam, the other side surface of the connecting fixing plate is provided with an extraction arm sliding block, an extraction arm guide rail is arranged on the extraction arm sliding block, the extraction arm guide rail is in sliding fit with the extraction arm sliding block and is mounted on the side surface, close to the connecting plate, of the section extraction arm, and the electromagnet suction cup is mounted at the lower end of the section extraction arm.

Preferably, the two side surfaces of the section bar extraction arm are respectively provided with a hydraulic cylinder, the cylinder body end of the hydraulic cylinder is fixed on the connecting fixing plate through a hydraulic cylinder mounting seat, and the telescopic rod end of the hydraulic cylinder is fixedly connected with the section bar extraction arm through the extraction arm mounting seat.

Preferably, the feeding device comprises a feeding driving mechanism, four feeding mechanisms and four feeding mechanisms, wherein the feeding driving mechanism drives the four feeding mechanisms to synchronously act through a feeding transmission shaft;

the material passing mechanism is located above the feeding mechanism, the feeding mechanism and the material passing mechanisms are arranged in a one-to-one correspondence mode, and the material passing driving mechanism drives the four material passing mechanisms to synchronously act through the material passing transmission shaft.

Preferably, the feeding mechanism comprises a feeding frame, two groups of feeding chain wheel sets are arranged on the feeding frame in a staggered mode, each feeding chain wheel set comprises a feeding chain and two feeding chain wheels, the two feeding chain wheels are respectively arranged on the feeding frame, and the feeding chain is arranged between the two feeding chain wheels; the feeding driving mechanism comprises a feeding motor, and the feeding motor drives the feeding chain wheel to rotate through a feeding transmission shaft;

one side department of going up the work or material rest is provided with jacking system, and jacking system includes the jack-up cylinder, and the cylinder body end of jack-up cylinder is fixed in the frame through jack-up cylinder fixing base, and the flexible rod end of jack-up cylinder is provided with material loading jack-up support, and material loading jack-up support is the U-shaped, and U-shaped material loading jack-up support is located one side department of going up the work or material rest.

Preferably, the material passing mechanism comprises a material passing frame, the lower end of the material passing frame is positioned above the feeding chain, a material passing sliding mechanism is arranged on one side of the upper end of the material passing frame, the material passing sliding mechanism comprises a material passing sliding rail and a material passing sliding block, the material passing sliding rail is fixedly arranged on the rack, the material passing sliding block is fixedly arranged on the material passing frame, and the material passing sliding rail is in sliding fit with the material passing sliding block;

a material passing rack is arranged on the side surface of one side of the material passing frame, a material passing gear is arranged on the material passing transmission shaft, and the material passing gear is meshed with the material passing rack;

the material passing driving mechanism comprises a material passing motor and a material passing speed reducer, the material passing motor is connected with the material passing speed reducer, the material passing speed reducer is rotationally connected with a material passing transmission shaft through a coupler, the material passing transmission shaft drives a material passing gear to rotate, and the material passing gear drives a material passing rack to move up and down; wherein, the material passing transmission shaft is fixed on the frame through a bearing seat.

Preferably, the clamping jaw mechanisms are arranged in one-to-one correspondence with the feeding mechanisms; the clamping jaw mechanism comprises a clamping jaw mounting plate, a clamping jaw gear is arranged in the middle of one side face of the clamping jaw mounting plate, an upper clamping jaw and a lower clamping jaw are symmetrically arranged on the upper side and the lower side of the clamping jaw gear, an upper clamping jaw rack is arranged on the upper clamping jaw, a lower clamping jaw rack is arranged on the lower clamping jaw, and the lower clamping jaw rack and the upper clamping jaw rack are respectively meshed with the clamping jaw gear;

the other side of clamping jaw mounting panel is provided with lower clamping jaw cylinder, and the cylinder body end of lower clamping jaw cylinder is fixed on the clamping jaw mounting panel through lower clamping jaw cylinder block, and the telescopic link end fixed mounting of lower clamping jaw cylinder is in the one end department of lower clamping jaw.

Preferably, the clamping jaw mounting plate is provided with a clamping jaw moving connecting plate on the upper side surface, and the clamping jaw moving connecting plate is provided with a clamping jaw forward-backward moving mechanism;

the clamping jaw forward-backward moving mechanism comprises a clamping jaw forward-backward moving frame, a clamping jaw motor, a clamping jaw speed reducer and a plurality of clamping jaw belt pulleys, a clamping rail guide rail is arranged on the clamping jaw forward-backward moving frame, at least two clamping jaw sliding blocks are arranged on the clamping jaw guide rail, and the clamping jaw sliding blocks are arranged on a clamping jaw moving connecting plate; clamping jaw speed reducer is connected to the clamping jaw motor, and the clamping jaw speed reducer passes through the clamping jaw transmission shaft and connects the clamping jaw band pulley, is provided with clamping jaw hold-in range between two adjacent clamping jaw band pulleys, is provided with clamping jaw hold-in range connecting plate on the clamping jaw hold-in range, and clamping jaw hold-in range connecting plate fixed connection clamping jaw removes the connecting plate.

The automatic section feeding method for the laser cutting machine has the following advantages that:

according to the automatic feeding device, materials on the material rack are adsorbed by the electromagnet, so that automatic feeding of a plurality of sectional materials such as I-steel, channel steel, pipes and the like can be realized; in the section bar cutting process, when the pipe is cut by the laser cutting machine, automatic feeding is realized, the labor intensity of operators can be effectively reduced, the production efficiency is improved, the potential safety hazard is avoided, and the production efficiency is improved;

the feeding of the invention can realize the feeding of other section bars (such as I-shaped steel, channel steel and the like) except for the pipe, compared with other automatic feeding: other feeding methods are that a bundle of sectional materials are placed on a nylon belt, the nylon belt is driven to be tensioned through a motor, the bundle of sectional materials is integrally lifted, one sectional material is placed on a material passing mechanism and can only be a tubular sectional material, and due to the special cross-sectional shapes of the I-shaped steel and the channel steel, feeding cannot be achieved; the utility model realizes single feeding by adsorbing the materials on the material rack by the electromagnet, can not form a bundle, can realize automatic feeding of a plurality of sectional materials such as I-steel, channel steel, pipe materials and the like, and can realize feeding by placing one sectional material alone or placing a plurality of sectional materials on the sectional material warehouse bracket in a mixed way;

the invention can be connected with the laser cutting machine through the data port, realize seamless linkage, finish the incessant material loading and unloading procedure of the laser cutting machine with high efficiency, users can also control the touch screen to realize different automatic working modes, realize single material loading mode and single unloading mode, suitable for different working conditions; the invention can be operated by touching the screen with hands, and is fast, simple and convenient to set, monitor and debug; meanwhile, an intelligent automatic start-stop system can be realized, and the energy conservation and the environmental protection are realized; if the equipment is powered off in operation, the intelligent power-off protection device also has an intelligent power-off protection function;

the invention is a mechanical and electrical integration automatic production device which is developed, designed and manufactured according to the feeding working environment of the laser cutting machine, is particularly suitable for large-batch flexible production, can stably improve the production efficiency of product quality, and simultaneously improves the labor condition and the rapid updating speed of products.

Therefore, the invention has the characteristics of reasonable design, simple structure, easy processing, small volume, convenient use, multiple purposes and the like, thereby having good popularization and use values.

Drawings

The invention is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic three-dimensional structure diagram of an automatic section feeding device for a laser cutting machine;

FIG. 2 is a schematic perspective view of the working state of FIG. 1;

FIG. 3 is a schematic perspective view of the roller mechanism;

FIG. 4 is a schematic perspective view of the structure of FIG. 3 at another angle;

FIG. 5 is a schematic structural view of a support for a material library;

FIG. 6 is a schematic perspective view of the profile extraction apparatus;

FIG. 7 is a perspective view of the alternate embodiment of FIG. 6;

FIG. 8 is a schematic view of a three-dimensional structure of a feeding device and a clamping jaw mechanism;

FIG. 9 is an enlarged partial schematic view of FIG. 8 at A;

FIG. 10 is a front view of FIG. 8;

FIG. 11 is a schematic perspective view of the alternate angle of FIG. 8;

FIG. 12 is a schematic perspective view of the front-back movement mechanism of the clamping jaw;

FIG. 13 is an enlarged partial schematic view of FIG. 12 at B;

fig. 14 is a perspective view of the gripper mechanism.

In the figure: 1. the device comprises a rack, 2, I-steel, 3, a section material warehouse support, 4, an electromagnet sucker, 5, a cross brace, 6, a feeding cross beam, 7, a section material extracting device, 8, a material passing and feeding device, 9, a clamping jaw mechanism, 10 and a section material laser cutting machine;

6-1 parts of roller motor, 6-2 parts of roller motor base, 6-3 parts of roller driving pulley, 6-4 parts of roller driven pulley, 6-5 parts of guide roller, 6-6 parts of roller bracket, 6-7 parts of roller synchronous belt, 6-8 parts of roller driving shaft, 6-9 parts of roller driven shaft, 6-10 parts of driving roller, 6-11 parts of driven roller;

7-1 parts of section bar extraction arms, 7-2 parts of hydraulic cylinders, 7-3 parts of hydraulic cylinder mounting seats, 7-4 parts of extraction arm mounting seats, 7-5 parts of extraction arm guide rails, 7-6 parts of extraction arm sliding blocks, 7-7 parts of connecting fixing plates;

8-1 parts of a feeding frame, 8-2 parts of a feeding chain, 8-3 parts of a feeding chain wheel, 8-4 parts of a jacking cylinder, 8-5 parts of a feeding jacking bracket, 8-6 parts of a jacking cylinder fixing seat, 8-7 parts of a feeding motor, 8-8 parts of a feeding transmission shaft, 8-9 parts of a feeding frame, 8-10 parts of a feeding rack, 8-11 parts of a feeding gear, 8-12 parts of a feeding sliding block, 8-13 parts of a feeding sliding rail, 8-14 parts of a feeding motor, 8-15 parts of a feeding speed reducer, 8-16 parts of a coupler, 8-17 parts of a bearing seat, 8-18 parts of a feeding transmission shaft;

9-1 parts of upper clamping jaw, 9-2 parts of lower clamping jaw, 9-3 parts of upper clamping jaw rack, 9-4 parts of lower clamping jaw rack, 9-5 parts of clamping jaw gear, 9-6 parts of lower clamping jaw cylinder, 9-7 parts of lower clamping jaw cylinder seat, 9-8 parts of clamping jaw mounting plate, 9-9 parts of clamping jaw moving connecting plate, 9-10 parts of clamping jaw motor, 9-11 parts of clamping jaw speed reducer, 9-12 parts of clamping jaw transmission shaft, 9-13 parts of clamping jaw belt wheel, 9-14 parts of clamping jaw synchronous belt, 9-15 parts of clamping jaw synchronous belt connecting plate, 9-16 parts of clamping rail guide rail, 9-17 parts of clamping jaw sliding block, 9-18 parts of clamping jaw front and back moving frame.

Detailed Description

The automatic section bar feeding method for a laser cutting machine according to the present invention will be described in detail below with reference to the accompanying drawings and specific examples.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description. And are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in fig. 1 and 2, the method for automatically feeding the section for the laser cutting machine comprises the following steps:

(1) placing the I-steel on the section material warehouse bracket 3 by using a forklift or a gantry crane, wherein the section material warehouse bracket 3 is V-shaped, so that the I-steel 2 is ensured to gather towards the center, and meanwhile, the I-steel 2 is always arranged at the center of the section material warehouse bracket 3;

(2) the feeding beam 6 moves on the frame 1 through a roller mechanism, and the feeding beam 6 is controlled by a machine tool control system or a PLC to move to the middle position of the section material warehouse support 3;

(3) the section bar extracting device 7 moves downwards under the driving of the hydraulic cylinder 7-2, the electromagnet sucker 4 is fixed at the lower end of the section bar extracting arm device 7, and when the electromagnet sucker 4 touches the I-steel 2, the electromagnet sucker 4 is controlled by a system to be electrified, so that one I-steel 2 is adsorbed (the adsorption force of the electromagnet sucker 4 can be controlled, only one I-steel is adsorbed, and too much adsorption is avoided);

(4) the section bar extraction arm 7 is lifted upwards under the control of the system, and the I-steel 2 is extracted;

(5) the feeding beam 6 is controlled by the system to move towards the feeding device 8;

(6) after the feeding cross beam 6 moves to the position above the feeding device 8, the I-shaped steel 2 is placed on the feeding device 8 by the section bar extracting arm 7 under the driving of the hydraulic cylinder 7-2, the electromagnet sucker 4 is powered off, and the I-shaped steel 2 falls on the feeding device 8;

(7) the I-steel is conveyed to the position below the clamping jaw mechanism 9 by the material feeding device 8, the I-steel is jacked and placed in front of the clamping jaw mechanism 9 by the jacking cylinder 8-4 on the material feeding device 8, and the I-steel 2 is clamped forwards by the clamping jaw mechanism 9;

(8) and the clamping jaw mechanism forwards places the I-steel 2 to the section bar laser cutting machine 10, and the section bar laser cutting machine 10 clamps the I-steel 2 to finish cutting.

In this embodiment, two ends of the feeding beam 6 are respectively provided with a roller mechanism, as shown in fig. 3 and 4, the roller mechanism comprises a roller motor 6-1 and a roller driving pulley 6-3, the roller driven belt wheel 6-4, the roller driving shaft 6-8 and the roller support 6-6 are arranged, the base body end of the roller motor 6-1 is installed on the feeding cross beam 6 through a roller motor base 6-2, the output end of the roller motor 6-1 is rotatably connected with the roller driving belt wheel 6-3, the roller driving belt wheel 6-3 is connected with the roller driven belt wheel 6-4 through a roller synchronous belt 6-7, the roller driven belt wheel 6-4 is installed on the roller support 6-6, and the roller support 6-6 is installed at one end of the feeding cross beam 6 and is located below the roller motor base 6-2. A roller driving shaft 6-8 and a roller driven shaft 6-9 are mounted on the roller bracket 6-6, a roller driven belt wheel 6-4 is mounted on the roller driving shaft 6-8, a driving roller 6-10 is mounted on the roller driving shaft 6-8, a driven roller 6-11 is mounted on the roller driven shaft 6-9, and the driving roller 6-10 and the driven roller 6-11 are respectively in sliding fit with the cross brace 5 of the frame 1; two guide rollers 6-5 are arranged below the roller bracket 6-6, the guide rollers 6-5 are arranged on the feeding cross beam 6, and the guide rollers 6-5 are in sliding fit with one side surface of the cross arm 5 of the frame 1. The roller motor 6-1 is installed on the roller motor base 6-2, the roller motor 6-1 drives the roller driving pulley 6-3 to rotate, the roller driving pulley 6-3 drives the roller driven pulley 6-4 to rotate through a roller synchronous belt 6-7, the roller driven pulley 6-4 drives the roller driving shaft 6-8 to rotate, the roller driving shaft 6-8 drives the driving roller 6-10 to rotate, the driven roller 6-11 rotates along with the driving roller 6-10, further the guide roller 6-5 rotates along with the guide roller 6-5, and the guide roller 6-5 has left and right guide effects to enable the feeding beam 6 to keep linear motion.

As shown in fig. 6 and 7, the section extraction device 7 comprises a connecting fixing plate 7-7 and a section extraction arm 7-1, one side surface of the connecting fixing plate 7-7 is mounted on the feeding cross beam 6, the other side surface of the connecting fixing plate 7-7 is provided with an extraction arm sliding block 7-6, the extraction arm sliding block 7-6 is provided with an extraction arm guide rail 7-5, the extraction arm guide rail 7-5 is in sliding fit with the extraction arm sliding block 7-6, the extraction arm guide rail 7-5 is mounted on the side surface of the section extraction arm 7-7 close to the connecting plate, and the electromagnet chuck 4 is mounted at the lower end of the section extraction arm 7-1; two side surfaces of the section bar extraction arm 7-1 are respectively provided with a hydraulic cylinder 7-2, the cylinder body end of the hydraulic cylinder 7-2 is fixed on the connecting fixing plate 7-7 through a hydraulic cylinder mounting seat 7-3, and the telescopic rod end of the hydraulic cylinder 7-2 is fixedly connected with the section bar extraction arm 7-1 through an extraction arm mounting seat 7-4. The section bar extraction arm 7-1 is connected with the feeding beam 6 through an extraction arm guide rail 7-5 and an extraction arm slide block 7-6, and the section bar extraction arm 7-1 is driven by the hydraulic cylinder 7-2 to move up and down

As shown in fig. 11, the feeding device 8 comprises a feeding driving mechanism, four feeding mechanisms and four feeding mechanisms, wherein the feeding driving mechanism drives the four feeding mechanisms to synchronously act through a feeding transmission shaft 8-8; the material passing mechanism is positioned above the material feeding mechanism, the material feeding mechanism and the material passing mechanism are arranged in a one-to-one correspondence mode, and the material passing driving mechanism drives the four material passing mechanisms to synchronously act through the material passing transmission shafts 8-18.

As shown in the attached drawings 8 and 10, the feeding mechanism comprises a feeding frame 8-1, two groups of feeding chain wheel sets are installed on the feeding frame 8-1 in a staggered mode, each feeding chain wheel set comprises a feeding chain 8-2 and two feeding chain wheels 8-3, the two feeding chain wheels 8-3 are respectively installed on the feeding frame 8-1, and the feeding chain 8-2 is installed between the two feeding chain wheels 8-3; the feeding driving mechanism comprises a feeding motor 8-7, and the feeding motor 8-7 drives a feeding chain wheel 8-3 to rotate through a feeding transmission shaft 8-8; a jacking device is arranged at one side of the feeding frame 8-1 and comprises a jacking cylinder 8-4, the cylinder body end of the jacking cylinder 8-4 is fixed on the frame 1 through a jacking cylinder fixing seat 8-6, a feeding jacking support 8-5 is arranged at the telescopic rod end of the jacking cylinder 8-4, the feeding jacking support 8-5 is U-shaped, and the U-shaped feeding jacking support 8-5 is positioned at one side of the feeding frame.

As shown in the attached drawing 9, the material passing mechanism comprises a material passing frame 8-9, the lower end of the material passing frame 8-9 is positioned above a material feeding chain 8-3, a material passing sliding mechanism is arranged at one side of the upper end of the material passing frame 8-9 and comprises a material passing sliding rail 8-13 and a material passing sliding block 8-12, the material passing sliding rail 8-13 is fixedly arranged on the frame 1, the material passing sliding block 8-12 is fixedly arranged on the material passing frame 8-9, and the material passing sliding rail 8-13 is in sliding fit with the material passing sliding block 8-12; a material passing rack 8-10 is arranged on the side surface of one side of the material passing rack 8-9, a material passing gear 8-11 is arranged on the material passing transmission shaft 8-18, and the material passing gear 8-11 is meshed with the material passing rack 8-10; the material passing driving mechanism comprises a material passing motor 8-14 and a material passing speed reducer 8-15, the material passing motor 8-14 is connected with the material passing speed reducer 8-15, the material passing speed reducer 8-15 is rotationally connected with a material passing transmission shaft 8-18 through a coupler 8-16, the material passing transmission shaft 8-18 drives a material passing gear 8-11 to rotate, and the material passing gear 8-11 drives a material passing rack 8-10 to move up and down; wherein, the material passing transmission shaft 8-18 is fixed on the frame through a bearing seat 8-17.

As shown in fig. 12, the clamping jaw mechanisms 9 are arranged in one-to-one correspondence with the feeding mechanisms; as shown in the attached figure 14, the clamping jaw mechanism 9 comprises a clamping jaw mounting plate 9-8, a clamping jaw gear 9-5 is mounted in the middle of one side surface of the clamping jaw mounting plate 9-8, an upper clamping jaw 9-1 and a lower clamping jaw 9-2 are symmetrically mounted on the upper side and the lower side of the clamping jaw gear 9-5, an upper clamping jaw rack 9-3 is mounted on the upper clamping jaw 9-1, a lower clamping jaw rack 9-4 is mounted on the lower clamping jaw 9-2, and the lower clamping jaw rack 9-4 and the upper clamping jaw rack 9-3 are respectively meshed with the clamping jaw gear 9-5; the other side surface of the clamping jaw mounting plate 9-8 is provided with a lower clamping jaw air cylinder 9-6, the cylinder body end of the lower clamping jaw air cylinder 9-6 is fixed on the clamping jaw mounting plate 9-8 through a lower clamping jaw air cylinder seat 9-7, and the telescopic rod end of the lower clamping jaw air cylinder 9-6 is fixedly arranged at one end of the lower clamping jaw 9-2. A clamping jaw moving connecting plate 9-9 is arranged on the upper side surface of the clamping jaw mounting plate 9-8, and a clamping jaw forward-backward moving mechanism is arranged on the clamping jaw moving connecting plate 9-9; as shown in the attached drawing 13, the clamping jaw forward-backward moving mechanism comprises clamping jaw forward-backward moving frames 9-18, clamping jaw motors 9-10, clamping jaw speed reducers 9-11 and a plurality of clamping jaw belt pulleys 9-13, rail clamping guide rails 9-16 are installed on the clamping jaw forward-backward moving frames 9-18, two clamping jaw sliding blocks 9-17 are installed on the clamping jaw guide rails 9-16, and the clamping jaw sliding blocks 9-17 are installed on a clamping jaw moving connecting plate 9-9; the clamping jaw motor 9-10 is connected with a clamping jaw speed reducer 9-11, the clamping jaw speed reducer 9-11 is connected with a clamping jaw belt wheel 9-13 through a clamping jaw transmission shaft 9-12, a clamping jaw synchronous belt 9-14 is installed between every two adjacent clamping jaw belt wheels 9-13, a clamping jaw synchronous belt connecting plate 9-15 is installed on the clamping jaw synchronous belt 9-14, and the clamping jaw synchronous belt connecting plate 9-15 is fixedly connected with a clamping jaw moving connecting plate 9-9.

The I-steel 2 is placed on a material passing and feeding device 8 by a section material extracting arm device 7 driven by a hydraulic cylinder 7-2, the I-steel 2 is dropped on a material feeding frame 8-1 by an electromagnet sucker 4, the I-steel 2 is driven by a material feeding motor 8-7 to a material feeding chain wheel 8-3 and a material feeding chain 8-2 to be driven below a clamping jaw mechanism 9, a jacking cylinder 8-4 jacks up the I-steel 2 to be placed in front of the clamping jaw mechanism 9 by a material feeding jacking bracket 8-5, a lower clamping jaw cylinder 9-6 extends out, a lower clamping jaw 9-2 moves up and down on a clamping jaw mounting plate 9-8 under the action of the lower clamping jaw cylinder 9-6, the lower clamping jaw 9-2 is connected with a front lower clamping jaw rack 9-4, the lower clamping jaw rack 9-4 moves down along with the lower clamping jaw rack 9-4, and acts on the upper clamping jaw rack 9-3 through a clamping, the upper clamping jaw rack 9-3 is moved upwards, the upper clamping jaw rack 9-3 is connected with the upper clamping jaw 9-1, so that the upper clamping jaw 9-1 is moved upwards, and the clamping jaw mechanism 9 is opened; the same principle is adopted to clamp the I-shaped steel 2, and then the I-shaped steel 2 is placed at the section laser machine 10 forward to finish the cutting of the section.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The automatic section material feeding method for the laser cutting machine is characterized by comprising the following steps of:

(1) placing the section on a section warehouse bracket of the frame by using a forklift or a gantry crane, wherein the section warehouse bracket is V-shaped and ensures that the section gathers to the center of the section warehouse bracket;

(2) the feeding cross beam moves on the cross arm of the rack through the roller mechanism, so that the feeding cross beam moves to the middle position of the section material warehouse bracket;

(3) the profile extraction device on the feeding cross beam moves downwards, the electromagnet suction disc at the lower end of the profile extraction device touches the profile, and the electromagnet suction disc is electrified so as to adsorb the profile;

(4) lifting the section extraction device upwards, and extracting the section;

(5) the feeding cross beam continues to move towards the direction of the feeding device;

(6) after the feeding cross beam moves above the feeding device, the section material extracting device places the section material on the feeding device, the electromagnet suction disc loses power, and the section material falls on the feeding device;

(7) the material passing and feeding device conveys the section bar to the lower part of the clamping jaw mechanism, and the section bar is jacked up and placed in front of the clamping jaw mechanism through the material passing and feeding device, and the clamping jaw mechanism clamps the section bar forwards;

(8) and the clamping jaw mechanism forwards places the I-steel at the section bar laser cutting machine, and the section bar laser cutting machine clamps the section bar to finish cutting.

2. The method for automatically feeding the sectional material for the laser cutting machine according to claim 1, wherein a roller mechanism is respectively disposed at two ends of the feeding beam, the roller mechanism comprises a roller motor, a roller driving pulley, a roller driven pulley, a roller driving shaft and a roller bracket, a base end of the roller motor is mounted on the feeding beam through a roller motor base, an output end of the roller motor is rotatably connected with the roller driving pulley, the roller driving pulley is connected with the roller driven pulley through a roller synchronous belt, the roller driven pulley is mounted on the roller bracket, and the roller bracket is mounted at one end of the feeding beam and located below the roller motor base.

3. The automatic section feeding method for the laser cutting machine as claimed in claim 2, wherein the roller support is provided with a roller driving shaft and a roller driven shaft, the roller driven pulley is mounted on the roller driving shaft, the roller driving shaft is provided with a driving roller, the roller driven shaft is provided with a driven roller, and the driving roller and the driven roller are respectively in sliding fit with a cross brace of the frame;

two guide rollers are arranged below the roller bracket, the guide rollers are arranged on the feeding cross beam and are in sliding fit with one side surface of the cross brace of the rack.

4. The method for automatically feeding the section for the laser cutting machine as claimed in claim 1, wherein the section extracting device comprises a connecting fixing plate and a section extracting arm, one side surface of the connecting fixing plate is mounted on the feeding beam, the other side surface of the connecting fixing plate is provided with an extracting arm slide block, an extracting arm guide rail is arranged on the extracting arm slide block, the extracting arm guide rail is in sliding fit with the extracting arm slide block and is mounted on one side surface of the section extracting arm close to the connecting plate, and an electromagnet suction cup is mounted at the lower end of the section extracting arm.

5. The method for automatically feeding the sectional materials for the laser cutting machine as claimed in claim 4, wherein a hydraulic cylinder is respectively provided on both side surfaces of the sectional material-extracting arm, a cylinder end of the hydraulic cylinder is fixed on the connecting fixing plate through a hydraulic cylinder mounting seat, and a telescopic rod end of the hydraulic cylinder is fixedly connected with the sectional material-extracting arm through the extracting arm mounting seat.

6. The automatic section feeding method for the laser cutting machine as claimed in claim 1, wherein the feeding device comprises a feeding driving mechanism, four feeding mechanisms and four feeding mechanisms, and the feeding driving mechanism drives the four feeding mechanisms to synchronously act through a feeding transmission shaft;

the material passing mechanism is located above the feeding mechanism, the feeding mechanism and the material passing mechanisms are arranged in a one-to-one correspondence mode, and the material passing driving mechanism drives the four material passing mechanisms to synchronously act through the material passing transmission shaft.

7. The automatic section bar feeding method for the laser cutting machine as claimed in claim 6, wherein the feeding mechanism comprises a feeding frame, two groups of feeding chain wheel sets are arranged on the feeding frame in a staggered manner, each group of feeding chain wheel set comprises a feeding chain and two feeding chain wheels, the two feeding chain wheels are respectively arranged on the feeding frame, and the feeding chain is arranged between the two feeding chain wheels; the feeding driving mechanism comprises a feeding motor, and the feeding motor drives the feeding chain wheel to rotate through a feeding transmission shaft;

one side department of going up the work or material rest is provided with jacking system, and jacking system includes the jack-up cylinder, and the cylinder body end of jack-up cylinder is fixed in the frame through jack-up cylinder fixing base, and the flexible rod end of jack-up cylinder is provided with material loading jack-up support, and material loading jack-up support is the U-shaped, and U-shaped material loading jack-up support is located one side department of going up the work or material rest.

8. The automatic section feeding method for the laser cutting machine according to claim 6 or 7, wherein the feeding mechanism comprises a feeding frame, the lower end of the feeding frame is positioned above the feeding chain, a feeding sliding mechanism is arranged at one side of the upper end of the feeding frame, the feeding sliding mechanism comprises a feeding sliding rail and a feeding sliding block, the feeding sliding rail is fixedly arranged on the frame, the feeding sliding block is fixedly arranged on the feeding frame, and the feeding sliding rail is in sliding fit with the feeding sliding block;

a material passing rack is arranged on the side surface of one side of the material passing frame, a material passing gear is arranged on the material passing transmission shaft, and the material passing gear is meshed with the material passing rack;

the material passing driving mechanism comprises a material passing motor and a material passing speed reducer, the material passing motor is connected with the material passing speed reducer, the material passing speed reducer is rotationally connected with a material passing transmission shaft through a coupler, the material passing transmission shaft drives a material passing gear to rotate, and the material passing gear drives a material passing rack to move up and down; wherein, the material passing transmission shaft is fixed on the frame through a bearing seat.

9. The automatic section bar feeding method for the laser cutting machine as claimed in claim 6, wherein the clamping jaw mechanisms are arranged in one-to-one correspondence with the feeding mechanisms; the clamping jaw mechanism comprises a clamping jaw mounting plate, a clamping jaw gear is arranged in the middle of one side face of the clamping jaw mounting plate, an upper clamping jaw and a lower clamping jaw are symmetrically arranged on the upper side and the lower side of the clamping jaw gear, an upper clamping jaw rack is arranged on the upper clamping jaw, a lower clamping jaw rack is arranged on the lower clamping jaw, and the lower clamping jaw rack and the upper clamping jaw rack are respectively meshed with the clamping jaw gear;

the other side of clamping jaw mounting panel is provided with lower clamping jaw cylinder, and the cylinder body end of lower clamping jaw cylinder is fixed on the clamping jaw mounting panel through lower clamping jaw cylinder block, and the telescopic link end fixed mounting of lower clamping jaw cylinder is in the one end department of lower clamping jaw.

10. The automatic section feeding method for the laser cutting machine as claimed in claim 9, wherein a clamping jaw moving connecting plate is arranged on the upper side surface of the clamping jaw mounting plate, and a clamping jaw forward-backward moving mechanism is arranged on the clamping jaw moving connecting plate;

the clamping jaw forward-backward moving mechanism comprises a clamping jaw forward-backward moving frame, a clamping jaw motor, a clamping jaw speed reducer and a plurality of clamping jaw belt pulleys, a clamping rail guide rail is arranged on the clamping jaw forward-backward moving frame, at least two clamping jaw sliding blocks are arranged on the clamping jaw guide rail, and the clamping jaw sliding blocks are arranged on a clamping jaw moving connecting plate; clamping jaw speed reducer is connected to the clamping jaw motor, and the clamping jaw speed reducer passes through the clamping jaw transmission shaft and connects the clamping jaw band pulley, is provided with clamping jaw hold-in range between two adjacent clamping jaw band pulleys, is provided with clamping jaw hold-in range connecting plate on the clamping jaw hold-in range, and clamping jaw hold-in range connecting plate fixed connection clamping jaw removes the connecting plate.

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