Section steel cutting, clamping, positioning and conveying device and laser cutting structure

By designing a steel section cutting, clamping, positioning and conveying device, and utilizing the coordinated clamping of lateral positioning rollers and side push rollers, the problem of poor positioning effect of existing steel section clamping, positioning and conveying devices is solved, and the accuracy and stability of steel section processing are improved.

CN223418612UActive Publication Date: 2025-10-10WUHAN FARLEY PLASMA CUTTING SYS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202422052903.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-22
Publication Date
2025-10-10
Estimated Expiration
2034-08-22

AI Technical Summary

Technical Problem

The existing steel section clamping and positioning and conveying devices have poor positioning effects, which affects the accuracy and stability of steel section processing.

Method used

A steel section cutting, clamping, positioning and conveying device is provided, which includes a base, a lateral clamping mechanism, a downward clamping mechanism and a laser cutting structure. The lateral clamping mechanism includes a lateral drop positioning roller, a side push roller mechanism, a downward pressure roller assembly and a hydraulic drive system. The positioning and conveying of the steel section are achieved through the coordinated clamping of the lateral positioning roller and the side push roller.

Benefits of technology

The precision and stability of steel processing are improved, ensuring the accuracy and safety of the cutting process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223418612U_ABST
    Figure CN223418612U_ABST
Patent Text Reader

Abstract

The utility model provides a profile steel cutting, clamping, positioning and conveying device which comprises a base and a pressing clamping mechanism, a lateral clamping mechanism and two sets of horizontal conveying rollers used for conveying profile steel are arranged on the base, the lateral clamping mechanism is arranged between the two sets of horizontal conveying rollers, and the pressing clamping mechanism is arranged on the base. The lateral clamping mechanism comprises a lateral positioning roller and a lateral pushing roller mechanism and is perpendicular to the conveying direction of the profile steel, the lateral positioning roller is arranged on one side of the base, and the lateral pushing roller mechanism is arranged on the other side of the base; the lateral pushing roller mechanism comprises a lateral pushing roller matched with the lateral positioning roller to clamp the profile steel and a first driving assembly for driving the lateral pushing roller to be close to or far away from the lateral positioning roller, and the downward pressing clamping mechanism comprises a downward pressing roller assembly and a second driving assembly for driving the downward pressing roller assembly to press towards or far away from the top of the profile steel. The base is provided with a stand column used for installing the second driving assembly. The utility model further provides a laser cutting structure.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of laser cutting, in particular to a section steel cutting, clamping, positioning and conveying device and a laser cutting structure. Background Art

[0002] When H-shaped steel, channel steel, angle steel, and other steel sections are flexibly pushed by a robot and conveyed by rollers, a set of steel clamping, positioning, and conveying devices are required before and after the laser cutting area. These devices mechanically clamp, position, and convey the steel sections, determining the relative coordinates of the steel section dimensions and the laser cutting machine tool. This allows for the workpiece to be clamped, positioned, and positioned for cutting, improving processing accuracy and stability. Existing steel clamping, positioning, and conveying devices do not provide adequate positioning, so a new steel clamping, positioning, and conveying device is necessary to overcome these issues. Utility Model Content

[0003] The purpose of the present invention is to overcome the defects of the prior art and provide a steel section cutting, clamping, positioning and conveying device and a laser cutting structure. The present invention at least solves some of the problems in the prior art.

[0004] The utility model is achieved in this way:

[0005] The utility model provides a steel section cutting, clamping, positioning and conveying device, comprising a base and a downward clamping mechanism, the base being provided with a lateral clamping mechanism and two groups of horizontal conveying rollers for conveying the steel section, the lateral clamping mechanism being arranged between the two groups of horizontal conveying rollers, the lateral clamping mechanism comprising a lateral positioning roller and a side push roller mechanism, perpendicular to the conveying direction of the steel section, the lateral positioning roller being arranged on one side of the base, the side push roller mechanism being arranged on the other side of the base, the side push roller mechanism comprising a side push roller cooperating with the lateral positioning roller to clamp the steel section, a first drive assembly driving the side push roller to approach or move away from the lateral positioning roller, the downward clamping mechanism comprising a downward pressure roller assembly, a second drive assembly driving the downward pressure roller assembly to press toward or away from the top of the steel section, and a column for installing the second drive assembly being provided on the base.

[0006] Furthermore, there are two lateral positioning rollers, which are spaced apart along the conveying direction of the steel section.

[0007] Furthermore, the first driving assembly includes a side-push guide rail, a side-push slide, and a side-push hydraulic cylinder that drives the side-push slide to move along the side-push guide rail. The side-push guide rail is arranged perpendicular to the conveying direction of the steel section. The side-push slide can be slidably arranged on the side-push guide rail, and the side-push roller is installed on the side-push slide.

[0008] Furthermore, perpendicular to the conveying direction of the steel section, a column is provided on each side of the base, and the second driving assembly includes a downward pressing guide rail, a downward pressing slide, and a downward pressing hydraulic cylinder driving the downward pressing slide to slide along the downward pressing guide rail. Each column is provided with a downward pressing guide rail arranged in a vertical direction, and the downward pressing slide is slidably connected to the two downward pressing guide rails, and the downward pressing hydraulic cylinder is installed on one of the columns.

[0009] Furthermore, the lower pressing roller assembly includes a lower pressing roller for pressing toward the top of the steel section, and the lower pressing roller is mounted on the lower pressing slide.

[0010] Furthermore, each column is provided with a synchronous rack arranged in the vertical direction, and the lower pressure roller assembly also includes a synchronous drive shaft, and the lower pressure roller is rotatably mounted on the synchronous drive shaft through a roller bearing, perpendicular to the transmission direction of the steel section, and a synchronous gear is provided at both ends of the synchronous drive shaft, and the two synchronous gears are meshed with the two synchronous racks in a one-to-one manner. Two seat bearings are also installed on the synchronous drive shaft, and the two seat bearings are located between the two synchronous gears, and the lower pressure roller is located between the two seat bearings, and the synchronous drive shaft is mounted on the lower pressure slide through the seat bearings.

[0011] Furthermore, the steel section cutting, clamping, positioning and conveying device also includes an adjusting screw for pressing the seat bearing to keep the synchronous gear and the synchronous rack engaged. An adjusting screw mounting plate is installed on the downward pressing slide, and the adjusting screw is arranged along the conveying direction of the steel section.

[0012] Furthermore, the tops of the two columns are connected via a top connecting plate.

[0013] Furthermore, along the conveying direction of the steel section, a diffuse reflection detection switch for detecting the head of the steel section is installed on one side of one of the columns, and a diffuse reflection detection switch for detecting the tail of the steel section is installed on the other side of the column.

[0014] The utility model also provides a laser cutting structure, including a laser cutting device and two of the above-mentioned steel section cutting, clamping, positioning and conveying devices, wherein the laser cutting device is located between the two above-mentioned steel section cutting, clamping, positioning and conveying devices.

[0015] The utility model has the following beneficial effects:

[0016] The utility model provides a steel cutting, clamping, positioning and conveying device, which can mechanically clamp, position and roll-convey steel workpieces, overcomes the defect of poor positioning effect of existing steel clamping, positioning and conveying devices, and improves the accuracy and stability of steel processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 An axonometric view of the section steel cutting, clamping, positioning and conveying device provided in an embodiment of the present utility model;

[0019] Figure 2 The embodiment of the present invention provides Figure 1 Enlarged image in the upper left corner;

[0020] Figure 3 A front view of a section steel cutting, clamping, positioning and conveying device provided in an embodiment of the present utility model;

[0021] Figure 4 The embodiment of the present invention provides Figure 3 AA cross-section of

[0022] Figure 5 The embodiment of the present invention provides Figure 4 The right side is a partial enlarged view;

[0023] Figure 6 The embodiment of the present invention provides Figure 4 Enlarged view of the left side

[0024] Figure 7 The embodiment of the present invention provides Figure 3 B perspective image.

[0025] In the figure: 1. Base; 2. Column; 3. Lateral positioning roller; 4. Bearing seat; 5. Horizontal conveying roller; 6. Lateral push guide rail; 7. Lateral push slide; 8. Lateral push roller; 9. Lateral push hydraulic cylinder; 10. Downward pressure hydraulic cylinder; 11. Downward pressure guide rail; 12. Downward pressure slide; 13. Downward pressure roller; 14. Synchronous drive shaft; 15. Roller bearing; 16. Bearing with seat; 17. Synchronous gear; 18. Synchronous rack; 19. Top connecting plate; 20. Diffuse reflection detection switch; 21. Steel section; 22. Adjusting screw. DETAILED DESCRIPTION

[0026] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0027] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0028] The terms "first" and "second" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or implicitly specify the quantity of the technical features indicated. Therefore, a feature specified as "first" or "second" may explicitly or implicitly include one or more of the features.

[0029] like Figure 1-Figure 7 The present invention also provides a device for cutting, clamping, positioning and conveying steel sections, including a base 1 and a downward pressing clamping mechanism. The base 1 is provided with a lateral clamping mechanism and two groups of horizontal conveying rollers 5 for conveying the steel sections. Both ends of the horizontal conveying roller 5 are arranged on the base 1 through bearing seats 4. The lateral clamping mechanism is arranged between the two groups of horizontal conveying rollers 5. The lateral clamping mechanism includes a lateral positioning roller 3 and a side pushing roller mechanism, which is perpendicular to the conveying direction of the steel sections 21. The lateral positioning roller 3 is arranged on one side of the base 1, and the side pushing roller mechanism is arranged on the other side of the base 1. The side pushing roller mechanism includes a side pushing roller 8 that cooperates with the side positioning roller 3 to clamp the steel sections, and a first driving component that drives the side pushing roller 8 to move closer to or away from the lateral positioning roller 3. The downward pressing clamping mechanism includes a lower pressing roller assembly and a second driving component that drives the lower pressing roller assembly to press toward or away from the top of the steel sections 21. The base 1 is provided with a column 2 for installing the second driving component.

[0030] In this embodiment, two lateral positioning rollers 3 are provided, spaced apart along the conveying direction of the profiled steel 21. The lateral positioning rollers 3 are fixedly mounted on the base 1, and the side push rollers 8 can move closer to or further from the lateral positioning rollers 3 to clamp or release the profiled steel 21. Both the lateral positioning rollers 3 and the side push rollers 8 can rotate about their own vertical axes, clamping the profiled steel 21 without interfering with the conveying of the profiled steel 21 by the horizontal conveyor rollers 5.

[0031] In this embodiment, the first driving component includes a side-push guide rail 6, a side-push slide 7, and a side-push hydraulic cylinder 9 that drives the side-push slide 7 to move along the side-push guide rail 6. The piston rod of the side-push hydraulic cylinder 9 is connected to the side-push slide 7. The side-push guide rail 6 is arranged perpendicular to the conveying direction of the steel section 21. The side-push slide 7 can be slidably set on the side-push guide rail 6, and the side-push roller 8 is installed on the side-push slide 7.

[0032] In this embodiment, a column 2 is provided on each side of the base 1, perpendicular to the conveying direction of the section steel 21. The second drive assembly includes a downward pressing guide rail 11, a downward pressing slide 12, and a downward pressing hydraulic cylinder 10 that drives the downward pressing slide 12 to slide along the downward pressing guide rail 11. Each column is provided with a downward pressing guide rail 11 arranged in a vertical direction. The downward pressing slide 12 is slidably connected to the two downward pressing guide rails 11. The downward pressing hydraulic cylinder 10 is mounted on one of the columns 2. Perpendicular to the conveying direction of the section steel 21, one end of the downward pressing slide 12 is connected to the piston rod of the downward pressing hydraulic cylinder 10.

[0033] In this embodiment, the pressing roller assembly includes a pressing roller 13 for pressing toward the top of the section steel 21 , and the pressing roller 13 is mounted on the pressing slide 12 . In this embodiment, each column is provided with a synchronous rack 18 arranged in the vertical direction, and the lower pressure roller assembly also includes a synchronous drive shaft 14, and the lower pressure roller 13 is rotatably mounted on the synchronous drive shaft 14 through a roller bearing 15. The lower pressure roller 13 is rotatably mounted on the synchronous drive shaft 14. When clamping the steel section 21, it will not hinder the horizontal conveying roller 5 from conveying the steel section 21, and is perpendicular to the conveying direction of the steel section 21. A synchronous gear 17 is provided at both ends of the synchronous drive shaft 14, and the two synchronous gears 17 are meshed with the two synchronous racks 18 in a one-to-one correspondence. Two seat bearings 16 are also installed on the synchronous drive shaft 14, and the two seat bearings 16 are located between the two synchronous gears 17. The lower pressure roller 13 is located between the two seat bearings 16, and the synchronous drive shaft 14 is installed to the lower pressure slide 12 through the seat bearing 16. The seat bearing 16 and the lower pressure slide 12 can be installed in a variety of ways such as clip-on installation.

[0034] The steel section cutting, clamping, positioning and conveying device also includes an adjusting screw 22 for pressing against the seat bearing 16 to keep the synchronous gear 17 engaged with the synchronous rack 18. An adjusting screw 22 mounting plate is installed on the pressing slide 12, and the adjusting screw 22 is arranged along the conveying direction of the steel section 21.

[0035] In this embodiment, the tops of the two columns 2 are connected by a top connecting plate 19. The two columns 2 plus the top connecting plate 19 form a gate-type column to enhance the structural strength.

[0036] In this embodiment, along the conveying direction of the steel section 21, a diffuse reflection detection switch 20 for detecting the head of the steel section 2 is installed on one side of one of the columns 2, and a diffuse reflection detection switch 20 for detecting the tail of the steel section 2 is installed on the other side of the column 2. The diffuse reflection detection switch 20 can be used to detect the head and tail of the steel section, which is a prior art and will not be described in detail here. After the diffuse reflection detection switch 20 for detecting the head of the steel section 21 detects the head of the steel section 21, the diffuse reflection detection switch 20 feeds back a signal to the hydraulic control system, which controls the hydraulic station to drive the side push hydraulic cylinder 9 and the downward pressure hydraulic cylinder 10 to operate simultaneously, clamping and positioning the steel section 21 in the horizontal and vertical directions. After the diffuse reflection detection switch 20 for detecting the tail of the steel section 21 detects the tail of the steel section 21, the diffuse reflection detection switch 20 feeds back a signal to the hydraulic control system, which controls the hydraulic station to drive the side push hydraulic cylinder 9 and the downward pressure hydraulic cylinder 10 to release the steel section 21, releasing the clamping state before the tail of the steel section 21 leaves the clamping rollers, ensuring safe and reliable operation of the mechanism.

[0037] The second embodiment of the present invention provides a laser cutting structure, including a laser cutting device, and also including two of the above-mentioned steel section cutting, clamping, positioning and conveying devices, wherein the laser cutting device is located between the two steel section cutting, clamping, positioning and conveying devices. The steel section 21 is transported from an external roller to the horizontal conveying roller 5 of this device by a material pushing robot, and is sent to the laser cutting device under the clamping and positioning of this device. When the laser cutting device cuts the steel section 21, the existing control system can control the horizontal conveying roller 5 to stop running. This device can clamp and position the steel section 21 when the steel section 21 is in transportation and stationary state, thereby improving the cutting processing accuracy and stability. The steel section 21 after laser cutting is then sent to the designated roller by the steel section cutting, clamping, positioning and conveying device on the other side of the laser cutting device.

[0038] The utility model provides a device for clamping, positioning and rolling conveying during the cutting process. During the steel conveying process and the stationary processing state, the hydraulic clamping device is used to roll, compact and position the steel (medium and large steel), thereby improving the cutting processing accuracy and stability.

[0039] The utility model provides a hydraulic clamping and positioning device, comprising a base 1 and a door-type column, a horizontal conveying roller 5, a lateral positioning roller 3, a hydraulic side push guide and clamping mechanism, a downward pressure guide and gear synchronization mechanism, a downward pressure roller 13, and a material head and material tail detection switch.

[0040] Multiple sets of bearing blocks and horizontal conveying rollers 5 are installed on the base 1 to facilitate the horizontal conveying of incoming steel 21 (H-steel, channel steel, angle steel). A side-pushing roller mechanism is installed between the two sets of horizontal conveying rollers 5. Two sets of fixed rollers (lateral positioning rollers 3) are fixedly installed on one side of the mechanism, serving as a positioning reference for one side of the steel 21. On the other side, the side-pushing mechanism is guided by a side-pushing guide rail 6. A side-pushing slide 7 is installed on the guide rail slider, and clamping rollers (side-pushing rollers 8) are fixedly installed on the side-pushing slide 7. The side-pushing rollers 8 cooperate with the two side-pushing rollers 3 to clamp the steel 21. A horizontal side-pushing hydraulic cylinder 9 is mounted on a side column 2 via an end flange. The cylinder joint installed on the piston rod is connected to the hinge seat at the bottom of the side-pushing slide 7 via a pin. Driven by the side-pushing hydraulic cylinder 9, the side-pushing rollers 8 clamp and release the steel 21.

[0041] Left and right columns 2 are installed on both sides of the side-pushing clamping mechanism to support and install the downward pressure mechanism; downward pressure guide rails 11 are installed vertically on the front of the left and right columns 2, and synchronous racks 18 are installed on the opposite inner sides. The tops of the left and right columns 2 form a frame connection through a top connecting plate 19, and a downward pressure slide 12 is installed on the sliders of the two downward pressure guide rails 11; a downward pressure hydraulic cylinder 10 is vertically installed on the opposite side column of the horizontal side-pushing hydraulic cylinder 9, and the downward pressure hydraulic cylinder 10 is connected to a hinge seat on one side of the downward pressure slide 12 through a cylinder joint and a pin shaft. Under the push-pull drive of the downward pressure hydraulic cylinder 10, the downward pressure slide 12 moves up and down along the downward pressure guide rail 11. The down-pressing slide 12 supports the installation and operation of the down-pressing roller assembly. The down-pressing roller 13 is mounted on the synchronous drive shaft 14 via roller bearings 15 at both ends and can rotate freely. The inner end of the synchronous drive shaft 14 is supported by two seat bearings 16 and mounted on the down-pressing slide 12. Synchronous gears 17 are mounted on both ends of the synchronous drive shaft 14. The seat bearings 16 are tightened by adjusting screws 22 installed on the down-pressing slide 12, so that the two synchronous gears 17 engage with the synchronous racks 18 on the left and right columns 2. This enables the horizontal synchronous down-pressing of the large-span down-pressing roller assembly driven by the down-pressing hydraulic cylinder 10 on one side, ensuring the rigidity and stability of the down-pressing structure. The down-pressing roller mechanism achieves the compression and conveying of the upper surface of the section steel 21.

[0042] The profile steel 21 is conveyed to the horizontal conveying roller 5 of the device by a pushing feeding mechanical arm, and after the head of the profile steel 21 passes through the lateral positioning roller 3, the head diffuse reflection detection switch 20 installed on one side of the side column detects the incoming head of the profile steel 21 and feeds back a signal to the hydraulic control system, and the hydraulic control system controls the hydraulic station to drive the side pushing hydraulic oil cylinder 9 and the downward pressing hydraulic oil cylinder 10 to operate simultaneously, so as to clamp and roll convey the profile steel 21 along the lateral positioning roller 3 and the horizontal conveying roller 5 along the positioning reference surface; when the profile steel is conveyed to the tail and passes through the tail diffuse reflection detection switch 20 installed on the other side of the column, the diffuse reflection detection switch 20 feeds back a signal to the hydraulic control system, and the hydraulic station drives the side pushing hydraulic oil cylinder 9 and the downward pressing hydraulic oil cylinder 10 to loosen, so that the clamping state is loosened before the tail leaves the clamping roller, and the safety and reliability of the mechanism are ensured.

[0043] The utility model discloses a horizontal support and conveying roller, side pushing clamping and positioning roller mechanism, synchronous downward pressing roller mechanism and other components, realize the clamping and positioning function of profile steel in the conveying and static machining process.

[0044] The contents not described in detail in the specification belong to the prior art known by the person skilled in the art.

[0045] The above is only the preferred embodiment of the utility model, and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A device for cutting, clamping, positioning and conveying section steel, characterized by: It includes a base and a downward clamping mechanism, the base is equipped with a lateral clamping mechanism and two groups of horizontal conveying rollers for conveying steel sections, the lateral clamping mechanism is arranged between the two groups of horizontal conveying rollers, the lateral clamping mechanism includes a lateral positioning roller and a side push roller mechanism, perpendicular to the conveying direction of the steel sections, the lateral positioning roller is arranged on one side of the base, and the side push roller mechanism is arranged on the other side of the base, the side push roller mechanism includes a side push roller that cooperates with the lateral positioning roller to clamp the steel section, and a first drive component that drives the side push roller to approach or move away from the lateral positioning roller, the downward clamping mechanism includes a downward pressure roller assembly, and a second drive component that drives the downward pressure roller assembly to press toward or away from the top of the steel section, and a column for installing the second drive component is provided on the base.

2. The section steel cutting, clamping, positioning and conveying device according to claim 1, characterized in that: There are two lateral positioning rollers, which are arranged at intervals along the conveying direction of the steel section.

3. The section steel cutting, clamping, positioning and conveying device according to claim 1, characterized in that: The first driving assembly includes a side-push guide rail, a side-push slide, and a side-push hydraulic cylinder that drives the side-push slide to move along the side-push guide rail. The side-push guide rail is arranged perpendicular to the conveying direction of the steel section. The side-push slide can be slidably arranged on the side-push guide rail, and the side-push roller is installed on the side-push slide.

4. The section steel cutting, clamping, positioning and conveying device according to claim 1, characterized in that: Perpendicular to the conveying direction of the steel section, a column is provided on each side of the base, and the second driving assembly includes a downward pressing guide rail, a downward pressing slide, and a downward pressing hydraulic cylinder that drives the downward pressing slide to slide along the downward pressing guide rail. Each column is provided with a downward pressing guide rail arranged in a vertical direction, and the downward pressing slide is slidably connected to the two downward pressing guide rails. The downward pressing hydraulic cylinder is installed on one of the columns.

5. The section steel cutting, clamping, positioning and conveying device according to claim 4, characterized in that: The lower pressing roller assembly comprises a lower pressing roller for pressing toward the top of the section steel, and the lower pressing roller is arranged on the lower pressing slide.

6. The section steel cutting, clamping, positioning and conveying device according to claim 5, characterized in that: Each column is provided with a synchronous rack arranged in the vertical direction. The lower pressure roller assembly also includes a synchronous drive shaft. The lower pressure roller is rotatably mounted on the synchronous drive shaft through a roller bearing, perpendicular to the transmission direction of the steel section. A synchronous gear is provided at both ends of the synchronous drive shaft. The two synchronous gears are meshed with the two synchronous racks in a one-to-one manner. Two belt bearings are also installed on the synchronous drive shaft. The two belt bearings are located between the two synchronous gears. The lower pressure roller is located between the two belt bearings. The synchronous drive shaft is installed on the lower pressure slide through the belt bearings.

7. The section steel cutting, clamping, positioning and conveying device according to claim 6, characterized in that: It also includes an adjusting screw for pressing the seat bearing to keep the synchronous gear and the synchronous rack engaged. An adjusting screw mounting plate is installed on the pressing slide, and the adjusting screw is set along the transmission direction of the steel.

8. The section steel cutting, clamping, positioning and conveying device according to claim 4, characterized in that: The tops of the two columns are connected via a top connecting plate.

9. The section steel cutting, clamping, positioning and conveying device according to claim 4, characterized in that: Along the conveying direction of the steel section, a diffuse reflection detection switch for detecting the head of the steel section is installed on one side of one of the columns, and a diffuse reflection detection switch for detecting the tail of the steel section is installed on the other side of the column.

10. A laser cutting structure, characterized in that: It comprises a laser cutting device and two steel section cutting, clamping, positioning and conveying devices as described in any one of claims 1 to 9, wherein the laser cutting device is located between the two steel section cutting, clamping, positioning and conveying devices.