Laser cutting equipment and processing method for steel section processing

Abstract

The present invention relates to the field of laser cutting technology, specifically a laser cutting device and processing method for steel section processing, comprising: a workbench and a support frame, the support frame being fixedly connected to the workbench; a directional transfer unit, the directional transfer unit being arranged on the outside of the support frame and connected to the workbench; an automatic cutting unit, the automatic cutting unit being connected to the support frame; an energy absorbing and guiding unit, the energy absorbing and guiding unit being arranged on the outside of the bottom end of the automatic cutting unit, connected to the workbench and to the support frame; wherein, the directional transfer unit comprises: a fixed-grid transport component, a steering energy guiding component and a stage drive control component, by setting the directional transfer unit, cooperating with the automatic cutting unit and the energy absorbing and guiding unit, the steel section can be supported and transported, and can be multi-directionally positioned on the steel section, thereby ensuring the stability of the steel section during processing, and can also automatically adjust the direction of the steel section according to demand, thereby ensuring the accuracy of cutting, which is conducive to improving processing efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of laser cutting, in particular to a laser cutting device and a processing method for section steel processing. Background Art

[0002] Steel section is a strip of steel with a certain cross-sectional shape and size. It is one of the four major types of steel (plate, tube, section, wire). Steel sections mainly include I-beams, channel steels, angle steels, H-steels, rail steels, U-shaped steels, steel sheet piles, etc.

[0003] During the production and use of steel sections, they need to be cut. Laser cutting replaces traditional mechanical knives with invisible light beams. It has the characteristics of high precision, fast cutting, no restrictions on cutting patterns, automatic typesetting to save materials, smooth incisions, and low processing costs. However, when using laser cutting equipment to cut steel sections, manual angle adjustment is generally used, resulting in inaccurate cutting and a high scrap rate. Therefore, in view of the above situation, there is an urgent need to develop a laser cutting equipment and processing method for steel section processing to overcome the shortcomings in current practical applications. Summary of the Invention

[0004] The object of the present invention is to provide a laser cutting device and a processing method for steel section processing to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] The laser cutting equipment for processing steel sections comprises: a tooling table and a support frame, wherein the support frame is fixedly connected to the tooling table; a directional transfer unit, which is arranged outside the support frame and connected to the tooling table, and is used to cooperate with the tooling table to realize positioning and conveying of the steel sections, and complete automatic adjustment of the direction of the steel sections to be cut; an automatic cutting unit, which is connected to the support frame and is used to cooperate with the directional transfer unit to realize positioning and cutting of the conveyed steel sections; an energy absorbing and guiding unit, which is arranged outside the bottom end of the automatic cutting unit, connected to the tooling table and the support frame, and is used to realize receiving and conveying of the cut steel sections; wherein The directional transfer unit includes: a fixed-grid transport component, a steering energy guide component and a stage drive control component. The fixed-grid transport component is arranged on the outside of the support frame, connected to the automatic cutting unit, and connected to the steering energy guide component arranged on the workbench. It is used to cooperate with the workbench and the steering energy guide component to support the steel section and automatically adjust the direction of the steel section. The steering energy guide component is also connected to the stage drive control component arranged on the inner side of the workbench, and is used to cooperate with the stage drive control component to drive the fixed-grid transport component to realize the positioning and fixation of the steel section on the fixed-grid transport component, and at the same time realize the lifting and lowering of the fixed steel section and the automatic cutting unit to complete the regulation of the cutting distance.

[0007] As a further solution of the present invention: the fixed-grid transport component includes: a transmission support plate, a fixed frame, a locking splint, a driving roller, a lifting control tube, a positioning side plate, a guide plate, an auxiliary wheel, an elastic hose, a pressure tube, a connecting cavity, a lifting control part, a connecting slide, a limiting slider and an energy transmission guide plate. The transmission support plate is arranged on the outside of the support frame and is connected to the steering energy guide component. A fixed frame is fixedly connected to the outside of the top end of the transmission support plate, and a connecting cavity is provided on the inside of the top end of the fixed frame. The connecting cavity is connected to the pressure tube fixedly connected to the fixed frame, and the other end of the pressure tube is connected to the steering energy guide component through an elastic hose, which is used to cooperate with the steering energy guide component to realize the flow of air inside the connecting cavity. A locking splint is provided between the fixed frame and the transmission support plate, and a plurality of driving rollers are fixedly connected to the inner side of the locking splint near one end of the transmission support plate, and a lifting control tube fixedly connected to the fixed frame is provided on the outside of the other end. One end of the lifting control tube is connected to the connecting cavity, and the other end The outer ends of the two guide wheels are fixedly connected to the wheelbase and the wheelbase is shortened and the shifting of the two wheels together with the gear train coupled with the adjustment screw thread of the two wheels, thereby ensuring that the gear train can be rotated and and rotated to move relative to the wheel base.

[0008] As a further solution of the present invention: the steering energy guide component includes: a support cylinder, an energy guide groove, an energy guide cavity, a sealing sleeve, a pressure-stabilizing conduit, a steering motor, a fixed pipe, a shunt pipe, a stabilizing support pipe and a support member. The support cylinder is arranged on the outside of the bottom end of the transmission support plate and is rotatably connected to the shell wall of the top end of the workbench. The inner side of the support cylinder is provided with an energy guide groove connected to the stage drive control component, the outer side of the energy guide groove is surrounded by an energy guide cavity, the energy guide cavity is arranged on the inner side of the support cylinder, and is connected to the stabilizing support pipe fixedly connected to the support cylinder, the inner side of the stabilizing support pipe is slidably connected to a support member fixedly connected to the transmission support plate, the outer side of the support cylinder is surrounded by a sealing sleeve fixedly connected to the workbench, and the shell wall at the connection between the support cylinder and the sealing sleeve is provided. An annular opening is provided, and a number of pressure-stabilizing tubes fixedly connected to the sealing sleeve are provided on the inner side of the annular opening. The shell wall on the other side of the sealing sleeve is connected to the stage drive control component, which is used to cooperate with the stage drive control component to realize the lifting and lowering of the transmission support plate. A fixed tube fixedly connected to the support cylinder is also provided between the transmission support plate and the support cylinder, and the bottom end of the fixed tube is connected to the energy guide groove. A diversion tube connected to the elastic hose is fixedly provided on the top side wall, which is used to cooperate with the air flowing inside the energy guide groove to realize the lifting and lowering of the locking splint. A steering motor fixedly connected to the workbench is also provided on the outer side of the support cylinder. The output end of the steering motor is connected to the support cylinder through a kinetic energy transmission part, which is used to drive the support cylinder to rotate, so as to realize the control of the direction of the fixed steel section.

[0009] As a further solution of the present invention: the stage drive control component includes: a return frame, a telescopic controller, a lifting plate, an energy guide, a positioning slide, an energy transmission rod, a force guide rod, a ventilation pipe, an energy transmission box, an energy supply pipe and an energy supply member. The return frame is slidingly connected to the inner side of the workbench and is connected to the workbench through the telescopic controller. The outer side of the return frame is provided with an energy guide member slidingly connected to the energy guide groove. The energy guide member is slidingly connected to the positioning slide fixedly connected to the inner side of the energy guide groove. The bottom end of the energy guide member is fixedly connected to the lifting plate. A number of rotatable connections with the return frame wall are provided between the lifting plate and the return frame. The guide rod and the other end of the guide rod are slidingly connected to the inner side thereof, and a spring is fixedly connected between the energy transmission rod and the force guide rod, and the other end of the energy transmission rod is rotatably connected to the lifting plate, which is used to cooperate with the movement of the return frame to drive the energy guide part to lift and lower, so as to realize the flow of air inside the energy guide groove, and an energy transmission box fixedly connected to the workbench is provided on the outer side of the lifting plate, and the energy transmission box is connected to the sealing sleeve through the ventilation pipe, and a number of energy supply pipes are fixedly connected on the other side of the box wall, and an energy supply part fixedly connected to the return frame is relatively provided on the outer side of the energy supply pipe, which is used to cooperate with the movement of the return frame to realize the flow of air inside the sealing sleeve.

[0010] As a further solution of the present invention: the automatic cutting unit includes: a control motor, a threaded rod, a movable seat, a control chamber, a pressure pipe, a mounting plate, a laser cutting head, a support pipe and a synchronous lifting assembly. The control motor is fixedly connected to the support frame, and the output end is fixedly connected to the threaded rod. The outer side of the threaded rod is threadedly connected to a movable seat that is slidably connected to the support frame. The inner side of the movable seat is provided with a control chamber, and the control chamber is connected to the pressure pipe symmetrically arranged on the shell walls on both sides of the movable seat. The other end of the pressure pipe is connected to the transmission support plate through a synchronous lifting assembly, which is used to cooperate with the lifting of the transmission support plate to realize the flow of air inside the control chamber. A mounting plate is provided on the outer side of the bottom end of the movable seat, and a support pipe fixedly connected to the movable seat is provided between the mounting plate and the movable seat. The support pipe is connected to the control chamber, and the inner sliding connection is provided with a support member fixedly connected to the mounting plate. The outer side of the bottom end of the mounting plate is fixedly connected to a laser cutting head, which is used to cooperate with the movement of the movable seat to realize automatic cutting of the fixed steel.

[0011] As a further solution of the present invention: the synchronous lifting assembly includes: a T-shaped slider, a connecting slide tube, a pressure regulating part and a movable slide rod, the T-shaped slider is slidably connected to the T-slot arranged on the wall of the transmission slide plate, the T-shaped slider is rotatably connected to the movable slide rod, the other end of the movable slide rod is slidably connected to the outside of the other end of the movable slide rod, a pressure regulating part is fixedly connected to the pressure regulating part and the movable slide rod with a spring, the other end of the pressure regulating part is slidably connected to the inner side of the connecting slide tube, a spring is fixedly connected between the pressure regulating part and the connecting slide tube, the connecting slide tube is fixedly connected to the support frame, and is slidably connected to the pressure guiding tube.

[0012] As a further solution of the present invention: the energy-absorbing material guiding unit includes: a material guide plate, a support block, a positioning rod, a buffer seat, an energy-absorbing cavity, a buffer part and a push-pull rod. The material guide plate is arranged on the outside of the bottom end of the laser cutting head, and support blocks are fixedly connected on both sides of the material guide plate. The support blocks are slidably connected to the positioning rods fixedly connected to the inner side of the support frame. A buffer seat fixedly connected to the workbench is provided on the outside of the bottom end of the material guide plate, an energy-absorbing cavity is symmetrically provided on the inner side of the buffer seat, a damping liquid is provided on the inner side of the energy-absorbing cavity, and a buffer part is also slidably connected on the inner side of the energy-absorbing cavity. A push-pull rod is provided between the buffer part and the material guide plate, one end of the push-pull rod is rotatably connected to the buffer part, and the other end is rotatably connected to the material guide plate.

[0013] A processing method for processing section steel, the processing method for processing section steel being applied to the above-mentioned laser cutting equipment for processing section steel, the processing method for processing section steel comprising the following steps:

[0014] Step 1: The steel section is placed on the transmission support plate, and the telescopic controller drives the return frame to move;

[0015] Step 2: The return frame cooperates with the force guide rod and the energy transmission rod to realize the lifting of the lifting plate. The lifting plate drives the energy guide member to move inside the energy guiding groove. The air inside the energy guiding groove enters the inside of the fixed tube, and enters the inside of the connecting cavity along the shunt tube, the elastic hose and the pressure transmission tube, and enters the inside of the lifting control tube. The locking splint is driven downward by the lifting control member, and the locking splint drives the limit slider to rise and fall synchronously. The limit slider cooperates with the energy transmission guide plate and the connecting slide plate to drive the positioning side plates on both sides to move relative to each other. The auxiliary wheels provided on the positioning side plates abut against both sides of the section steel to complete the lateral positioning of the section steel.

[0016] Step 3: The locking plate continues to move downward, and the driving roller provided on the locking plate cooperates with the transmission support plate to complete the longitudinal positioning of the steel section, and the driving roller is used to complete the transportation of the steel section;

[0017] Step 4: The steering motor cooperates with the kinetic energy transmission component to realize the rotation of the supporting cylinder, thereby completing the control of the direction of the fixed steel section;

[0018] Step 5. The return frame continues to move, and the energy supply part is inserted into the inner side of the energy supply pipe, driving the air inside the energy transmission box along the ventilation pipe into the inner side of the sealing sleeve, and the air inside the sealing sleeve enters the inner side of the energy guiding cavity along the pressure-stabilizing conduit, and the air inside the energy guiding cavity enters the inner side of the stabilizing support pipe, and cooperates with the support part to realize the lifting of the transmission support plate, on the one hand, realizing the lifting of the steel section, and on the other hand, cooperating with the T-shaped slider to drive the connecting slide rod to perform synchronous lifting and lowering, and the connecting slide rod can drive the pressure regulating part to move inside the connecting slide pipe, and the air inside the connecting slide pipe enters the inner side of the control cavity along the pressure-conducting pipe, and the air inside the control cavity enters the inner side of the support pipe, and cooperates with the support part and the mounting plate to realize the falling of the laser cutting head, and complete the control of the distance between the laser cutting head and the steel section;

[0019] Step 6: The control motor drives the threaded rod to rotate, and the threaded rod drives the movable seat to move along the wall of the support frame. The movable seat drives the laser cutting head to move synchronously to complete the cutting of the steel section;

[0020] Step 7. The cut steel section falls on the guide plate under the action of gravity. The guide plate drives the support block to move downward along the positioning rod. The guide plate cooperates with the push-pull rod to realize the movement of the buffer part inside the energy absorption cavity to absorb the impact force. The guide plate transports the cut steel section.

[0021] Compared with the prior art, the present invention has the following beneficial effects:

[0022] When the device is running, the steel section is placed on the fixed-grid transport component, and the stage drive control component can drive the fixed-grid transport component to position and fix the steel section through the steering energy guide component. The fixed-grid transport component can also support and transport the positioned steel section, and the steering energy guide component can also drive the fixed-grid transport component to rotate to adjust the direction of the steel section. After the steel section moves to the specified position, the stage drive control component can drive the fixed-grid transport component to complete the lifting of the steel section. During the lifting process, the fixed-grid transport component can synchronously drive the automatic cutting unit to move downward, and control the distance between the automatic cutting unit and the steel section, thereby ensuring the cutting efficiency. The result is that the automatic cutting unit automatically cuts the steel section that is fully fixed on the fixed transport component, and the cut steel section falls on the energy-absorbing material guiding unit under the action of gravity. The energy-absorbing material guiding unit can absorb the impact force generated when the steel section falls and complete the transportation of the cut steel section. The present application sets a directional transfer unit, cooperates with the automatic cutting unit and the energy-absorbing material guiding unit, can support and transport the steel section, and can perform multi-directional positioning of the steel section, thereby ensuring the stability of the steel section during processing, and can also automatically adjust the direction of the steel section according to demand, thereby ensuring the accuracy of cutting and helping to improve processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the structure of the laser cutting equipment used for steel processing.

[0024] Figure 2 A cross-sectional view of a laser cutting device used for processing steel sections.

[0025] Figure 3 Schematic diagram of the structure of the fixed-frame transport component in the laser cutting equipment used for steel processing.

[0026] Figure 4 A cross-sectional view of a fixed-frame transport component in a laser cutting system for processing steel sections.

[0027] Figure 5 This is a schematic diagram of the structure for positioning side panels in laser cutting equipment used for steel section processing.

[0028] Figure 6 This is a schematic diagram of the structure of the steering energy guide component in the laser cutting equipment used for steel processing.

[0029] Figure 7 This is a partial structural diagram of the steering energy guide component in the laser cutting equipment used for steel processing.

[0030] Figure 8 Schematic diagram of the structure of the stage drive control components in the laser cutting equipment used for steel processing.

[0031] Figure 9This is a partial structural diagram of the stage drive control components in the laser cutting equipment used for steel processing.

[0032] Figure 10 This is a schematic diagram of the structure of the automatic cutting unit in the laser cutting equipment used for steel processing.

[0033] Figure 11 This is a schematic diagram of the structure of the synchronous lifting component in the laser cutting equipment used for steel processing.

[0034] Figure 12 This is a schematic diagram of the structure of the energy-absorbing and material-guiding unit in the laser cutting equipment used for steel section processing.

[0035] In the figure: 1- tooling table, 2- support frame, 3- automatic cutting unit, 4- energy absorbing and guiding unit, 5- directional transfer unit, 6- fixed transport component, 7- steering energy guiding component, 8- stage drive control component, 9- transmission support plate, 10- fixed frame, 11- locking splint, 12- driving roller, 13- lifting control tube, 14- positioning side plate, 15- guide plate, 16- auxiliary wheel, 17- elastic hose, 18- pressure pipe, 19- connecting cavity, 20- lifting control part, 21- connecting slide plate, 22- limiting slider, 23- energy transmission guide plate, 24- supporting cylinder, 25- energy guiding groove, 26- energy guiding cavity, 27- sealing sleeve, 28- pressure stabilizing conduit, 29- steering motor, 30- kinetic energy transmission part, 31- fixed tube, 3 2-diverter pipe, 33-stabilizing support pipe, 34-support part, 35-annular opening, 36-return frame, 37-telescopic controller, 38-lifting plate, 39-energy guide part, 40-positioning slide plate, 41-energy transmission rod, 42-force guide rod, 43-ventilation pipe, 44-energy transmission box, 45-energy supply pipe, 46-energy supply part, 47-T-type slider, 48-control motor, 49-threaded rod, 50-movable seat, 51-control chamber, 52-pressure guiding pipe, 53-connecting slide pipe, 54-pressure regulating part, 55-movable slide rod, 56-guide plate, 57-support block, 58-positioning rod, 59-buffer seat, 60-energy absorption chamber, 61-buffer, 62-push-pull rod, 63-mounting plate, 64-laser cutting head, 65-support pipe. DETAILED DESCRIPTION

[0036] The technical solution of this application is further described in detail below in conjunction with specific implementation methods.

[0037] The following describes in detail embodiments of the present application. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application and are not to be construed as limiting the present application.

[0038] See also Figure 1 and Figure 2 In one embodiment of the present invention, a laser cutting device for processing steel sections includes: a tooling table 1 and a support frame 2, wherein the support frame 2 is fixedly connected to the tooling table 1; a directional transfer unit 5, wherein the directional transfer unit 5 is arranged outside the support frame 2 and is connected to the tooling table 1, and is used to cooperate with the tooling table 1 to realize positioning and conveying of the steel sections, and complete automatic adjustment of the direction of the steel sections to be cut; an automatic cutting unit 3, wherein the automatic cutting unit 3 is connected to the support frame 2, and is used to cooperate with the directional transfer unit 5 to realize positioning cutting of the conveyed steel sections; an energy absorbing material guiding unit 4, wherein the energy absorbing material guiding unit 4 is arranged outside the bottom end of the automatic cutting unit 3, and is connected to the tooling table 1 and the support frame 2, and is used to realize the connection of the cut steel sections. Collection and transportation; wherein, the directional transfer unit 5 includes: a fixed-grid transport component 6, a steering energy guide component 7 and a stage drive control component 8, the fixed-grid transport component 6 is arranged on the outside of the support frame 2, is connected to the automatic cutting unit 3, and is connected to the steering energy guide component 7 arranged on the workbench 1, and is used to cooperate with the workbench 1 and the steering energy guide component 7 to support the steel section and realize automatic adjustment of the direction of the steel section, the steering energy guide component 7 is also connected to the stage drive control component 8 arranged on the inner side of the workbench 1, and is used to cooperate with the stage drive control component 8 to drive the fixed-grid transport component 6 to realize the positioning and fixation of the steel section on the fixed-grid transport component 6, and at the same time realize the lifting and lowering of the fixed steel section and the automatic cutting unit 3, and complete the regulation of the cutting distance.

[0039] In this embodiment, when the device is running, the steel section is placed on the fixed-grid transport component 6, and the stage drive control component 8 can drive the fixed-grid transport component 6 to position and fix the steel section through the steering energy guide component 7. The fixed-grid transport component 6 can also support and transport the positioned steel section, and the steering energy guide component 7 can also drive the fixed-grid transport component 6 to rotate to adjust the direction of the steel section. After the steel section moves to the specified position, the stage drive control component 8 can drive the fixed-grid transport component 6 to complete the lifting of the steel section. During the lifting process, the fixed-grid transport component 6 can synchronously drive the automatic cutting unit 3 to move downward, and control the distance between the automatic cutting unit 3 and the steel section, thereby To ensure the cutting effect, the automatic cutting unit 3 then automatically cuts the steel section that is fully fixed on the fixed transport component 6. The cut steel section falls on the energy absorbing and guiding unit 4 under the action of gravity. The energy absorbing and guiding unit 4 can absorb the impact force generated when the steel section falls and complete the transportation of the cut steel section. The present application sets a directional transfer unit 5, cooperates with the automatic cutting unit 3 and the energy absorbing and guiding unit 4, can support and transport the steel section, and can perform multi-directional positioning of the steel section, thereby ensuring the stability of the steel section during processing, and can also automatically adjust the direction of the steel section according to demand, thereby ensuring the accuracy of cutting and helping to improve processing efficiency.

[0040] In one embodiment of the present invention, please refer to Figure 3 、 Figure 4 and Figure 5 The fixed transport assembly 6 includes: a transmission support plate 9, a fixed frame 10, a locking splint 11, a driving roller 12, a lifting control tube 13, a positioning side plate 14, a guide plate 15, an auxiliary wheel 16, an elastic hose 17, a pressure pipe 18, a connecting cavity 19, a lifting control component 20, a connecting slide 21, a limit slider 22 and an energy transmission guide plate 23. The transmission support plate 9 is arranged on the outside of the support frame 2 and is connected to the steering energy guide assembly 7. The outer side of the top of the transmission support plate 9 is fixedly connected to the fixed frame 10, and the inner side of the top of the fixed frame 10 is provided with a connecting cavity 19. The connecting cavity 19 is connected to a pressure pipe 18 fixedly connected to the fixing frame 10. The other end of the pressure pipe 18 is connected to the steering energy guide component 7 through an elastic hose 17, which is used to cooperate with the steering energy guide component 7 to realize the flow of air inside the connecting cavity 19. A locking splint 11 is provided between the fixing frame 10 and the transmission support plate 9. A plurality of driving rollers 12 are fixedly connected to the inner side of the locking splint 11 near the transmission support plate 9, and a lifting control pipe 13 fixedly connected to the fixing frame 10 is provided on the outer side of the other end. One end of the lifting control pipe 13 is connected to the connecting cavity 19 , the other end is provided with a lifting control member 20 fixedly connected to the locking splint 11 on the inner side of the sliding connection, which is used to cooperate with the air flowing inside the connecting cavity 19 to realize the lifting and lowering of the locking splint 11 and realize the conveying of the steel section by the driving roller 12. The locking splint 11 is fixedly connected with a limit slider 22 on both sides, and the limit slider 22 is slidably connected to the limit groove provided on the inner wall of the fixed frame 10. The outer side of the bottom end of the limit slider 22 on both sides is provided with a positioning side plate 14, and the outer side of the positioning side plate 14 is fixedly connected with a guide plate 15 slidably connected to the fixed frame 10. , a number of auxiliary wheels 16 are rotatably connected to the plate walls of the opposite end of the positioning side plates 14 on both sides, and an energy transmission guide plate 23 rotatably connected to the limiting slider 22 is provided between the positioning side plate 14 and the limiting slider 22, and a connecting slide 21 is slidably connected to the inner side of the other end of the energy transmission guide plate 23, and a spring is fixedly connected between the connecting slide 21 and the energy transmission guide plate 23, and the other end of the connecting slide 21 is rotatably connected to the positioning side plate 14, which is used to cooperate with the lifting and lowering of the limiting slider 22 to drive the positioning side plate 14 to move, so as to realize the lateral positioning of the steel section by the auxiliary wheels 16 on both sides.

[0041] In this embodiment, the lifting control component 20 includes a first piston slidably connected to the inner side of the lifting control tube 13 and a first push rod fixedly connected to the first piston. The other end of the first push rod is fixedly connected to the locking splint 11. In addition, the driving roller 12 includes a motor fixedly connected to the inner side of the locking splint 11 and a roller connected to the output end of the motor. The positioning side plates 14 on both sides are symmetrically provided with guide plates 15 on the outer side away from one end. The guide plates 15 are fixedly connected to the positioning side plates 14 and are slidably connected to the wall of the fixed frame 10. The steering energy guide component 7 cooperates with the stage drive control component 8 to transport air along the elastic hose 17 and the pressure pipe 18 into the inner side of the connecting cavity 19 and into the inner side of the lifting control tube 13, so as to realize the lifting and lowering of the lifting control component 20. The lifting and lowering of the inner side of the control tube 13, the lifting control part 20 drives the locking splint 11 to move downward, the locking splint 11 drives the limit slider 22 to lift and lower synchronously, and the limit slider 22 cooperates with the energy transmission guide plate 23 and the connecting slide 21 to drive the positioning side plates 14 on both sides to move relative to each other. The auxiliary wheels 16 arranged on the positioning side plates 14 abut against the two sides of the steel section to complete the lateral positioning of the steel section, and the locking splint 11 continues to move downward. The driving roller 12 arranged on the locking splint 11 cooperates with the transmission support plate 9 to complete the longitudinal positioning of the steel section and can realize the transportation of the steel section. By setting the fixed-grid transportation component 6, the support and transportation of the steel section can be completed, and the steel section can be fixed in multiple directions, ensuring the stability of the steel section during processing, which is conducive to improving the processing quality.

[0042] In one embodiment of the present invention, please refer to Figure 6 and Figure 7, the steering energy guide assembly 7 includes: a support cylinder 24, an energy guide groove 25, an energy guide cavity 26, a sealing sleeve 27, a pressure stabilizing conduit 28, a steering motor 29, a fixed tube 31, a shunt tube 32, a stabilizing support tube 33 and a support member 34. The support cylinder 24 is arranged on the outside of the bottom end of the transmission support plate 9 and is rotatably connected to the top shell wall of the tooling table 1. The inner side of the support cylinder 24 is provided with an energy guide groove 25 connected to the stage drive control assembly 8, and the outer side of the energy guide groove 25 is surrounded by an energy guide cavity 26. The energy guide cavity 26 is arranged on the inner side of the support cylinder 24 and is connected to the stabilizing support tube 33 fixedly connected to the support cylinder 24. The inner side of the stabilizing support tube 33 is slidably connected to a support member 34 fixedly connected to the transmission support plate 9. The outer side of the support cylinder 24 is surrounded by a sealing sleeve 27 fixedly connected to the tooling table 1. The shell wall at the connection between the support cylinder 24 and the sealing sleeve 27 is provided. An annular opening 35 is provided, and a number of pressure-stabilizing tubes 28 fixedly connected to the sealing sleeve 27 are provided on the inner side of the annular opening 35. The shell wall on the other side of the sealing sleeve 27 is connected to the stage drive control component 8, which is used to cooperate with the stage drive control component 8 to realize the lifting and lowering of the transmission support plate 9. A fixed tube 31 fixedly connected to the support cylinder 24 is also provided between the transmission support plate 9 and the support cylinder 24. The bottom end of the fixed tube 31 is connected to the energy guide groove 25, and a diversion tube 32 connected to the elastic hose 17 is fixedly connected on the top side wall, which is used to cooperate with the air flowing inside the energy guide groove 25 to realize the lifting and lowering of the locking splint 11. A steering motor 29 fixedly connected to the workbench 1 is also provided on the outer side of the support cylinder 24. The output end of the steering motor 29 is connected to the support cylinder 24 through a kinetic energy transmission part 30, which is used to drive the support cylinder 24 to rotate, thereby realizing control of the direction of the fixed steel section.

[0043] In this embodiment, the support member 34 includes a second piston slidably connected to the inner side of the stabilizing support tube 33 and a second push rod fixedly connected to the second piston. The other end of the second push rod is fixedly connected to the transmission support plate 9. A sealing ring is provided on the shell wall at the connection between the sealing sleeve 27 and the support cylinder 24. The sealing ring is symmetrically arranged on the upper and lower sides of the annular opening 35. The kinetic energy transmission member 30 includes a pulley fixedly connected to the output end of the steering motor 29 and the outer side of the support cylinder 24. The pulleys are connected by a belt. The stage drive control component 8 can drive the air located inside the energy guide groove 25 into the inner side of the fixed tube 31 and along the shunt pipe 32, the elastic hose 17 and the pressure pipe 1 8 enters the inner side of the connecting cavity 19, and the stage drive control component 8 can also drive the air inside the sealing sleeve 27 to enter the inner side of the energy guiding cavity 26 along the pressure stabilizing tube 28. The air inside the energy guiding cavity 26 enters the inner side of the stabilizing support tube 33, and cooperates with the support member 34 to realize the lifting of the transmission support plate 9. On the one hand, it realizes the lifting of the steel section, and on the other hand, it can realize the falling of the automatic cutting unit 3, so that the automatic cutting unit 3 and the steel section can be at a suitable distance to ensure the best cutting effect. By setting the steering energy guiding component 7, it can cooperate with the stage drive control component 8 to realize the fixation and lifting of the steel section by the fixed transport component 6, and can also adjust the direction of the steel section to ensure the accuracy of the cutting.

[0044] In one embodiment of the present invention, please refer to Figure 8 and Figure 9 The stage drive control assembly 8 includes: a return frame 36, a telescopic controller 37, a lifting plate 38, an energy guide 39, a positioning slide 40, an energy transmission rod 41, a force guide rod 42, a ventilation pipe 43, an energy transmission box 44, an energy supply pipe 45 and an energy supply member 46. The return frame 36 is slidably connected to the inner side of the workbench 1 and is connected to the workbench 1 through the telescopic controller 37. An energy guide 39 slidably connected to the energy guide groove 25 is provided on the outer side of the return frame 36. The energy guide 39 is slidably connected to the positioning slide 40 fixedly connected to the inner side of the energy guide groove 25. The bottom end of the energy guide 39 is fixedly connected to the lifting plate 38. A number of force guides rotatably connected to the frame wall of the return frame 36 are provided between the lifting plate 38 and the return frame 36. Rod 42, the other end of the guide rod 42 is slidably connected to the inner side with an energy transmission rod 41, and a spring is fixedly connected between the energy transmission rod 41 and the force guiding rod 42. The other end of the energy transmission rod 41 is rotatably connected to the lifting plate 38, which is used to cooperate with the movement of the return frame 36 to drive the energy guide part 39 to rise and fall, so as to realize the flow of air inside the energy guiding groove 25. An energy transmission box 44 fixedly connected to the workbench 1 is provided on the outside of the lifting plate 38. The energy transmission box 44 is connected to the sealing sleeve 27 through the ventilation pipe 43. A number of energy supply pipes 45 are fixedly connected on the other side of the box wall. An energy supply part 46 fixedly connected to the return frame 36 is relatively provided on the outside of the energy supply pipe 45, which is used to cooperate with the movement of the return frame 36 to realize the flow of air inside the sealing sleeve 27.

[0045] In this embodiment, the energy guide member 39 includes a third piston slidably connected to the inner side of the energy guide groove 25 and a third push rod fixedly connected to the third piston. The other end of the third push rod is fixedly connected to the lifting plate 38. The rod wall of the third push rod is provided with a positioning slide groove slidably connected to the positioning slide 40. The energy supply member 46 includes a fourth push rod fixedly connected to the frame wall of the return frame 36 and a fourth piston fixedly connected to the fourth push rod. The outer diameter of the fourth piston is equal to the inner diameter of the energy supply pipe 45. In addition, the telescopic controller 37 is an electric telescopic rod. The telescopic controller 37 drives the return frame 36 moves, and the return frame 36 cooperates with the guide rod 42 and the energy transmission rod 41 to realize the rise of the lifting plate 38. The lifting plate 38 drives the energy guide member 39 to move inside the energy guide groove 25 to complete the fixation of the steel section. As the return frame 36 continues to move, the energy supply member 46 is inserted into the inside of the energy supply pipe 45, driving the air inside the energy transmission box 44 along the ventilation pipe 43 into the inside of the sealing sleeve 27 to complete the lifting of the steel section. By setting the stage drive control component 8, the fixation and lifting of the steel section can be completed in succession, which not only ensures the stability of the steel section during processing, but also ensures the effectiveness and quality of cutting.

[0046] In one embodiment of the present invention, please refer to Figure 10 The automatic cutting unit 3 includes: a control motor 48, a threaded rod 49, a movable seat 50, a control cavity 51, a pressure pipe 52, a mounting plate 63, a laser cutting head 64, a support pipe 65 and a synchronous lifting assembly. The control motor 48 is fixedly connected to the support frame 2, and the output end is fixedly connected to the threaded rod 49. The outer side of the threaded rod 49 is threadedly connected to a movable seat 50 that is slidably connected to the support frame 2. The inner side of the movable seat 50 is provided with a control cavity 51. The control cavity 51 is connected to the pressure pipes 52 symmetrically arranged on the shell walls on both sides of the movable seat 50. The pressure pipes 52 are connected to the other side of the shell wall. The end is connected to the transmission support plate 9 through a synchronous lifting component, which is used to cooperate with the lifting of the transmission support plate 9 to realize the flow of air inside the control cavity 51. A mounting plate 63 is provided on the outer side of the bottom end of the movable seat 50, and a support tube 65 fixedly connected to the movable seat 50 is provided between the mounting plate 63 and the movable seat 50. The support tube 65 is connected to the control cavity 51, and a support member fixedly connected to the mounting plate 63 is provided in an inner sliding connection. A laser cutting head 64 is fixedly connected to the outer side of the bottom end of the mounting plate 63, which is used to cooperate with the movement of the movable seat 50 to realize automatic cutting of the fixed steel section.

[0047] In this embodiment, the top of the movable seat 50 is slidably connected to the inner wall of the top of the support frame 2, and the support member includes a fifth piston slidably connected to the inside of the support tube 65 and a fifth push rod fixedly connected to the fifth piston, and the other end of the fifth push rod is fixedly connected to the mounting plate 63. The synchronous lifting assembly can inject air into the inside of the control chamber 51 through the pressure pipe 52 during the upward movement of the transmission support plate 9, and the air inside the control chamber 51 enters the inside of the support tube 65, and cooperates with the support member and the mounting plate 63 to realize the falling of the laser cutting head 64, and complete the control of the distance between the laser cutting head 64 and the steel section. The control motor 48 can drive the threaded rod 49 to rotate, and the threaded rod 49 drives the movable seat 50 to move along the frame wall of the support frame 2. The movable seat 50 drives the laser cutting head 64 to move synchronously to complete the cutting of the steel section. By setting the automatic cutting unit 3, the synchronous lifting and lowering of the laser cutting head 64 can be achieved in conjunction with the lifting of the steel section, and the distance between the steel section and the laser cutting head 64 can be quickly adjusted. The automatic movement of the laser cutting head 64 can also be realized, which greatly improves the cutting efficiency of the equipment.

[0048] In one embodiment of the present invention, please refer to Figure 10 and Figure 11 The synchronous lifting assembly includes: a T-shaped slider 47, a connecting slide tube 53, a pressure regulating member 54 and a movable slide rod 55. The T-shaped slider 47 is slidably connected to the T-slot set on the wall of the transmission slide 9. A movable slide rod 55 is rotatably connected on the T-shaped slider 47. A pressure regulating member 54 is slidably connected to the outside of the other end of the movable slide rod 55. A spring is fixedly connected between the pressure regulating member 54 and the movable slide rod 55. The other end of the pressure regulating member 54 is slidably connected to the inner side of the connecting slide tube 53. A spring is fixedly connected between the pressure regulating member 54 and the connecting slide tube 53. The connecting slide tube 53 is fixedly connected to the support frame 2 and is slidably connected to the pressure guiding tube 52.

[0049] In this embodiment, the pressure regulating part 54 includes a sixth push rod slidably connected to the outside of the movable slide rod 55 and a sixth piston fixedly connected to the sixth push rod. A spring is fixedly connected between the sixth push rod and the movable slide rod 55. The sixth push rod is also slidably connected to a positioning frame fixedly connected to the support frame 2. The sixth piston is slidably connected to the inside of the connecting slide tube 53. A spring is fixedly connected between the sixth piston and the connecting slide tube 53. The other end of the connecting slide tube 53 is slidably connected to the pressure pipe 52. The transmission support plate 9 cooperates with the T-shaped slider 47 to drive the connecting slide rod 55 to rise and fall synchronously. The connecting slide rod 55 can drive the pressure regulating part 54 to move inside the connecting slide tube 53. The air inside the connecting slide tube 53 enters the inside of the control chamber 51 along the pressure pipe 52, thereby realizing the lifting and lowering of the laser cutting head 64.

[0050] In one embodiment of the present invention, please refer to Figure 12The energy absorbing material guiding unit 4 includes: a material guide plate 56, a support block 57, a positioning rod 58, a buffer seat 59, an energy absorbing cavity 60, a buffer member 61 and a push-pull rod 62. The material guide plate 56 is arranged on the outside of the bottom end of the laser cutting head 64. Support blocks 57 are fixedly connected on both sides of the material guide plate 56. The support block 57 is slidably connected to the positioning rod 58 fixedly connected to the inner side of the support frame 2. A buffer seat 59 fixedly connected to the workbench 1 is provided on the outside of the bottom end of the material guide plate 56. An energy absorbing cavity 60 is symmetrically arranged on the inner side of the buffer seat 59. Damping fluid is provided on the inner side of the energy absorbing cavity 60. A buffer member 61 is also slidably connected on the inner side of the energy absorbing cavity 60. A push-pull rod 62 is provided between the buffer member 61 and the material guide plate 56. One end of the push-pull rod 62 is rotatably connected to the buffer member 61, and the other end is rotatably connected to the material guide plate 56.

[0051] In this embodiment, the buffer member 61 includes a buffer plate slidably connected to the inner side of the energy absorption cavity 60 and a buffer column fixedly connected to the buffer plate. A buffer spring is fixedly connected between the buffer plate and the buffer seat 59. The other end of the buffer column is rotatably connected to the push-pull rod 62. The cut steel section falls on the guide plate 56 under the action of gravity. The guide plate 56 drives the support block 57 to move downward along the positioning rod 58. The guide plate 56 cooperates with the push-pull rod 62 to realize the movement of the buffer member 61 inside the energy absorption cavity 60 to absorb the impact force. The guide plate 56 transports the cut steel section. By setting the energy absorption guide unit 4, the cut steel section can be buffered and transported to avoid damage to the steel section, which is conducive to improving the cutting quality.

[0052] The present invention further provides a processing method for section steel processing, which is applied to the above-mentioned laser cutting equipment for section steel processing. The processing method for section steel processing comprises the following steps:

[0053] Step 1: The steel section is placed on the transmission support plate 9, and the telescopic controller 37 drives the return frame 36 to move;

[0054] Step 2: The return frame 36 cooperates with the guide rod 42 and the energy transmission rod 41 to realize the rise of the lifting plate 38. The lifting plate 38 drives the energy guide member 39 to move inside the energy guiding groove 25. The air inside the energy guiding groove 25 enters the inside of the fixed tube 31, along the shunt tube 32, the elastic hose 17 and the pressure transmission tube 18 into the inside of the connecting cavity 19, and enters the inside of the lifting control tube 13. The lifting control member 20 drives the locking splint 11 to move downward. The locking splint 11 drives the limit slider 22 to rise and fall synchronously. The limit slider 22 cooperates with the energy transmission guide plate 23 and the connecting slide plate 21 to drive the positioning side plates 14 on both sides to move relative to each other. The auxiliary wheels 16 provided on the positioning side plates 14 abut against both sides of the steel section to complete the lateral positioning of the steel section.

[0055] Step 3: The locking plate 11 continues to move downward, and the driving roller 12 provided on the locking plate 11 cooperates with the transmission support plate 9 to complete the longitudinal positioning of the steel section, and uses the driving roller 12 to complete the transportation of the steel section;

[0056] Step 4: The steering motor cooperates with the kinetic energy transmission member 30 to realize the rotation of the support cylinder 24, thereby completing the control of the direction of the fixed steel section;

[0057] The air inside the energy transmission box 44 enters the inner side of the sealing sleeve 27 along the vent pipe 43, and the air inside the sealing sleeve 27 enters the inner side of the energy guiding cavity 26 along the pressure stabilizing conduit 28, and the air inside the energy guiding cavity 26 enters the inner side of the stabilizing support pipe 33, and cooperates with the support member 34 to realize the lifting of the transmission support plate 9. On the one hand, it realizes the lifting of the steel section, and on the other hand, cooperates with the T-shaped slider 47 to drive the connecting slide rod 55 to perform synchronous lifting and lowering. The connecting slide rod 55 can drive the pressure regulating member 54 to move inside the connecting slide pipe 53, and the air inside the connecting slide pipe 53 enters the inner side of the control cavity 51 along the pressure guiding pipe 52. The air inside the control cavity 51 enters the inner side of the supporting pipe 65, and cooperates with the supporting member and the mounting plate 63 to realize the falling of the laser cutting head 64, and completes the control of the distance between the laser cutting head 64 and the steel section.

[0058] Step 6: Control the motor 48 to drive the threaded rod 49 to rotate, and the threaded rod 49 drives the movable seat 50 to move along the frame wall of the support frame 2. The movable seat 50 drives the laser cutting head 64 to move synchronously to complete the cutting of the steel section;

[0059] Step 7. The cut steel section falls on the guide plate 56 under the action of gravity. The guide plate 56 drives the support block 57 to move downward along the positioning rod 58. The guide plate 56 cooperates with the push-pull rod 62 to realize the movement of the buffer part 61 inside the energy absorption cavity 60 to absorb the impact force. The guide plate 56 transports the cut steel section.

[0060] The laser cutting equipment and processing method for steel processing can support and transport the steel by setting a directional transfer unit 5, cooperating with the automatic cutting unit 3 and the energy absorbing and guiding unit 4, and can also support and transport the steel, and can position the steel in multiple directions, thereby ensuring the stability of the steel during processing, and can also automatically adjust the direction of the steel according to demand, thereby ensuring the accuracy of cutting, which is conducive to improving processing efficiency. The driving roller 12 set on the locking splint 11 cooperates with the transmission support plate 9 to complete the longitudinal positioning of the steel and can realize the transportation of the steel. By setting the fixed transport component 6, the support and transportation of the steel can be completed, and the steel can be fixed in multiple directions, thereby ensuring the stability of the steel during processing, which is conducive to improving processing quality. By setting the steering energy guiding component 7 , can cooperate with the stage drive control component 8 to realize the fixation and lifting of the steel section by the fixed transport component 6, and can also adjust the direction of the steel section to ensure the accuracy of the cutting. By setting the stage drive control component 8, the fixation and lifting of the steel section can be completed in succession, which not only ensures the stability of the steel section during processing, but also ensures the effectiveness and quality of the cutting. By setting the automatic cutting unit 3, the synchronous lifting and lowering of the laser cutting head 64 can be achieved in conjunction with the lifting of the steel section, and the distance between the steel section and the laser cutting head 64 can be quickly adjusted. The automatic movement of the laser cutting head 64 can also be achieved, which greatly improves the cutting efficiency of the equipment. By setting the energy-absorbing material guiding unit 4, the cut steel section can be buffered and transported to avoid damage to the steel section, which is conducive to improving the cutting quality.

[0061] The above are only preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention. These should also be regarded as the scope of protection of the present invention. These will not affect the effect of the implementation of the present invention and the practicality of the patent.

Claims

1. Laser cutting equipment for steel processing, characterized in that: include: The tooling table and the support frame, the support frame is fixedly connected to the tooling table; The directional transfer unit is arranged on the outside of the support frame and is connected to the tooling table. It is used to cooperate with the tooling table to realize the positioning and transportation of the steel section and complete the automatic adjustment of the direction of the steel section to be cut. It includes: a fixed-grid transport component, a steering energy guide component and a stage drive control component. The fixed-grid transport component is arranged on the outside of the support frame and is connected to the automatic cutting unit and the steering energy guide component arranged on the tooling table. It is used to cooperate with the tooling table and the steering energy guide component to realize the support of the steel section and realize the automatic adjustment of the direction of the steel section. The steering energy guide component is also connected to the stage drive control component arranged on the inner side of the tooling table. It is used to cooperate with the stage drive control component to drive the fixed-grid transport component to realize the positioning and fixation of the steel section located on the fixed-grid transport component, and simultaneously realize the lifting and lowering of the fixed steel section and the automatic cutting unit to complete the regulation of the cutting distance; Automatic cutting unit, which is connected to the support frame and is used to cooperate with the directional transfer unit to achieve positioning cutting of the transported steel; The energy absorbing and guiding unit is arranged outside the bottom end of the automatic cutting unit, connected to the tooling table and the support frame, and is used to receive and convey the cut steel; The fixed-frame transport assembly includes: a transmission support plate, a fixed frame, a locking splint, a driving roller, a lifting control tube, a positioning side plate, a guide plate, an auxiliary wheel, an elastic hose, a pressure pipe, a connecting cavity, a lifting control part, a connecting slide, a limiting slider and an energy transmission guide plate. The transmission support plate is arranged on the outside of the support frame and is connected to the steering energy guide assembly. A fixed frame is fixedly connected to the outside of the top of the transmission support plate. A connecting cavity is provided on the inside of the top of the fixed frame. The connecting cavity is connected to the pressure pipe fixedly connected to the fixed frame. The other end of the pressure pipe is connected to the steering energy guide assembly through an elastic hose. A locking splint is provided between the fixed frame and the transmission support plate. Several driving rollers are fixedly connected to the inner side of the locking splint near one end of the transmission support plate, and a plurality of driving rollers are fixedly connected to the outer side of the other end. There is a lifting control tube fixedly connected to the fixed frame, one end of the lifting control tube is connected to the connecting cavity, and the other end is slidably connected to a lifting control piece fixedly connected to the locking splint. Limit sliders are fixedly connected on both sides of the locking splint, and the limit sliders are slidably connected to the limit grooves set on the inner wall of the fixed frame. Positioning side plates are provided on the outer sides of the bottom ends of the limit sliders on both sides, and guide plates slidably connected to the fixed frame are fixedly connected on the outer sides of the positioning side plates. An energy transmission guide plate rotatably connected to the limit slider is provided between the positioning side plates and the limit slider, and a connecting slide is provided in the other end of the energy transmission guide plate. A spring is fixedly connected between the connecting slide and the energy transmission guide plate, and the other end of the connecting slide is rotatably connected to the positioning side plate; The steering energy guide assembly includes: a support cylinder, an energy guide groove, an energy guide cavity, a sealing sleeve, a pressure-stabilizing conduit, a steering motor, a fixed pipe, a shunt pipe, a stabilizing support pipe and a support member. The support cylinder is arranged on the outside of the bottom end of the transmission support plate and is rotatably connected to the shell wall of the top end of the workbench. The inner side of the support cylinder is provided with an energy guide groove connected to the stage drive control assembly. The outer side of the energy guide groove is surrounded by an energy guide cavity. The energy guide cavity is arranged on the inner side of the support cylinder and is connected to a stabilizing support pipe fixedly connected to the support cylinder. The inner side of the stabilizing support pipe is slidably connected to a support member fixedly connected to the transmission support plate. The outer side of the support cylinder is surrounded by A sealing sleeve fixedly connected to the workbench, an annular opening is provided on the shell wall at the connection between the support cylinder and the sealing sleeve, a plurality of pressure-stabilizing tubes fixedly connected to the sealing sleeve are provided on the inner side of the annular opening, the shell wall on the other side of the sealing sleeve is connected to the stage drive control assembly, a fixed tube fixedly connected to the support cylinder is further provided between the transmission support plate and the support cylinder, the bottom end of the fixed tube is connected to the energy guide groove, and a shunt tube connected to the elastic hose is fixedly provided on the top side wall, a steering motor fixedly connected to the workbench is further provided on the outside of the support cylinder, and the output end of the steering motor is connected to the support cylinder through a kinetic energy transmission member; The stage drive control assembly includes: a circular frame, a telescopic controller, a lifting plate, an energy guide part, a positioning slide, an energy transmission rod, a force guide rod and a ventilation pipe. The circular frame is slidingly connected on the inner side of the workbench and is connected to the workbench through a telescopic controller. An energy guide part slidingly connected to the energy guide groove is provided on the outer side of the circular frame. The energy guide part is slidingly connected to the positioning slide fixedly connected to the inner side of the energy guide groove. The bottom end of the energy guide part is fixedly connected to the lifting plate. Several force guide rods rotatably connected to the wall of the circular frame are provided between the lifting plate and the circular frame. The other end of the force guide rod is slidingly connected to the inner side of the energy transmission rod. A spring is fixedly connected between the energy transmission rod and the force guide rod, and the other end of the energy transmission rod is rotatably connected to the lifting plate.

2. The laser cutting device for section steel processing according to claim 1, characterized in that: The stage drive control component also includes: an energy transmission box, an energy supply pipe and an energy supply part. An energy transmission box fixedly connected to the workbench is provided on the outside of the lifting plate. The energy transmission box is connected to the sealing sleeve through a ventilation pipe. Several energy supply pipes are fixedly connected to the other side of the box wall. An energy supply part fixedly connected to the return frame is relatively provided on the outside of the energy supply pipe.

3. The laser cutting equipment for section steel processing according to claim 1, characterized in that: The automatic cutting unit includes: a control motor, a threaded rod, a movable seat, a control chamber, a pressure pipe, a mounting plate, a laser cutting head, a support pipe and a synchronous lifting assembly. The control motor is fixedly connected to the support frame, and the output end is fixedly connected to the threaded rod. The outer side of the threaded rod is threadedly connected to a movable seat that is slidably connected to the support frame. The inner side of the movable seat is provided with a control chamber. The control chamber is connected to the pressure pipe symmetrically arranged on the shell walls on both sides of the movable seat. The other end of the pressure pipe is connected to the transmission support plate through a synchronous lifting assembly, which is used to cooperate with the lifting of the transmission support plate to realize the flow of air inside the control chamber. A mounting plate is provided on the outer side of the bottom end of the movable seat, and a support pipe fixedly connected to the movable seat is provided between the mounting plate and the movable seat. The support pipe is connected to the control chamber, and the inner side is slidably connected to a support member fixedly connected to the mounting plate. The outer side of the bottom end of the mounting plate is fixedly connected to a laser cutting head for cooperating with the movement of the movable seat to realize automatic cutting of the fixed steel.

4. The laser cutting device for section steel processing according to claim 3, characterized in that: The synchronous lifting assembly includes: a T-shaped slider, a connecting slide tube, a pressure regulating piece and a movable slide rod. The T-shaped slider is slidably connected to the T-slot arranged on the wall of the transmission slide plate. The movable slide rod is rotatably connected on the T-shaped slider. The other end of the movable slide rod is slidably connected to the outside of the other end of the movable slide rod. A pressure regulating piece is fixedly connected to the movable slide rod with a spring. The other end of the pressure regulating piece is slidably connected to the inner side of the connecting slide tube. A spring is fixedly connected between the pressure regulating piece and the connecting slide tube. The connecting slide tube is fixedly connected to the support frame and slidably connected to the pressure guiding tube.

5. The laser cutting device for section steel processing according to claim 4, characterized in that: The energy-absorbing material guiding unit includes: a material guide plate, a support block, a positioning rod, a buffer seat, an energy-absorbing cavity, a buffer part and a push-pull rod. The material guide plate is arranged on the outside of the bottom end of the laser cutting head. Support blocks are fixedly connected on both sides of the material guide plate. The support blocks are slidably connected to the positioning rods fixedly connected to the inner side of the support frame. A buffer seat fixedly connected to the workbench is provided on the outside of the bottom end of the material guide plate. An energy-absorbing cavity is symmetrically arranged on the inner side of the buffer seat. Damping liquid is provided on the inner side of the energy-absorbing cavity. A buffer part is also slidably connected on the inner side of the energy-absorbing cavity. A push-pull rod is provided between the buffer part and the material guide plate. One end of the push-pull rod is rotatably connected to the buffer part, and the other end is rotatably connected to the material guide plate.

6. A processing method for processing section steel, characterized in that: The processing method for processing section steel is applied to the laser cutting device for processing section steel according to any one of claims 1 to 5, and the processing method for processing section steel comprises the following steps: Step 1: The steel section is placed on the transmission support plate, and the telescopic controller drives the return frame to move; Step 2: The return frame cooperates with the force guide rod and the energy transmission rod to realize the lifting of the lifting plate. The lifting plate drives the energy guide member to move inside the energy guiding groove. The air inside the energy guiding groove enters the inside of the fixed tube, and enters the inside of the connecting cavity along the shunt tube, the elastic hose and the pressure transmission tube, and enters the inside of the lifting control tube. The locking splint is driven downward by the lifting control member, and the locking splint drives the limit slider to rise and fall synchronously. The limit slider cooperates with the energy transmission guide plate and the connecting slide plate to drive the positioning side plates on both sides to move relative to each other. The auxiliary wheels provided on the positioning side plates abut against both sides of the section steel to complete the lateral positioning of the section steel. Step 3: The locking plate continues to move downward, and the driving roller provided on the locking plate cooperates with the transmission support plate to complete the longitudinal positioning of the steel section, and the driving roller is used to complete the transportation of the steel section; Step 4: The steering motor cooperates with the kinetic energy transmission component to realize the rotation of the supporting cylinder, thereby completing the control of the direction of the fixed steel section; Step 5. The return frame continues to move, and the energy supply part is inserted into the inner side of the energy supply pipe, driving the air inside the energy transmission box along the ventilation pipe into the inner side of the sealing sleeve, and the air inside the sealing sleeve enters the inner side of the energy guiding cavity along the pressure-stabilizing conduit, and the air inside the energy guiding cavity enters the inner side of the stabilizing support pipe, and cooperates with the support part to realize the lifting of the transmission support plate, on the one hand, realizing the lifting of the steel section, and on the other hand, cooperating with the T-shaped slider to drive the connecting slide rod to perform synchronous lifting and lowering, and the connecting slide rod can drive the pressure regulating part to move inside the connecting slide pipe, and the air inside the connecting slide pipe enters the inner side of the control cavity along the pressure-conducting pipe, and the air inside the control cavity enters the inner side of the support pipe, and cooperates with the support part and the mounting plate to realize the falling of the laser cutting head, and complete the control of the distance between the laser cutting head and the steel section; Step 6: The control motor drives the threaded rod to rotate, and the threaded rod drives the movable seat to move along the wall of the support frame. The movable seat drives the laser cutting head to move synchronously to complete the cutting of the steel section; Step 7. The cut steel section falls on the guide plate under the action of gravity. The guide plate drives the support block to move downward along the positioning rod. The guide plate cooperates with the push-pull rod to realize the movement of the buffer part inside the energy absorption cavity to absorb the impact force. The guide plate transports the cut steel section.

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