A high-strength bed for laser cutting machine

By setting the middle longitudinal beam as the air guide duct in the laser cutting machine body, and combining the diamond-shaped cross-supporting three and bracket reinforced structure, the problems of hot gas accumulation and structural strength are solved, and high-precision cutting and convenient transportation are achieved.

CN112589301BActive Publication Date: 2025-08-19ANHUI DONGHAI YUXIANG INTELLIGENT EQUIP TECH CO LTD
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Patent Information

Application Number
CN202011545821.5
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-12-24
Publication Date
2025-08-19
Estimated Expiration
2040-12-24

AI Technical Summary

Technical Problem

The existing laser cutting machine tool body is welded to the inner wall of the longitudinal beam, causing hot gas to accumulate, which affects the cutting accuracy and structural strength, and is not convenient for transportation.

Method used

The middle longitudinal beam is used as the air guide duct, which is arranged between the bottom longitudinal beam and the upper longitudinal beam, combining the cross-supporting three and multiple brackets with diamond-shaped cross-section to enhance the structural strength, and the bottom longitudinal beam and the upper longitudinal beam are spliced and welded through both pipes to ensure air circulation and load bearing strength.

Benefits of technology

It improves the cutting accuracy and structural strength of the laser cutting machine, reduces thermal deformation, reduces the transverse width of the fuselage, and facilitates transportation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a high-strength bed of a laser cutting machine, comprising a bottom longitudinal beam, a first cross brace block, a second cross brace block, a middle longitudinal beam, an upper longitudinal beam and a third cross brace block, wherein two ends of the first cross brace block are respectively welded to the inner sides of the bottom longitudinal beams on both sides, and two ends of the second cross brace block are respectively welded to the inner sides of the middle longitudinal beams on both sides, the middle longitudinal beam is arranged above the bottom longitudinal beam and welded to the bottom longitudinal beam, the upper longitudinal beam is arranged above the middle longitudinal beam and welded to the middle longitudinal beam, the third cross brace block is arranged directly above the first cross brace block, and after the third cross brace block is placed diagonally perpendicular to the ground, its two ends are respectively welded to the inner sides of the middle longitudinal beams on both sides, the middle longitudinal beam is used as an air duct and is arranged between the bottom longitudinal beam and the upper longitudinal beam, thereby avoiding occupying the space inside the two longitudinal beams and ensuring the cutting accuracy of the laser cutting machine; the horizontal width of the laser cutting machine bed is narrowed, the laser cutting machine bed is small in size, and is convenient for transportation; the horizontal structural strength of the bed is high, and the bed is not easily deformed by heat load.
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Description

Technical Field

[0001] The present invention belongs to the technical field of laser cutting machines, and in particular relates to a high-strength bed of a laser cutting machine. Background Art

[0002] The current disadvantages of the laser cutting machine bed are:

[0003] First: The air ducts are welded on the inner walls of the longitudinal beams on both sides, which occupies the space inside the two longitudinal beams, causing a large amount of hot gas generated by cutting to accumulate inside. The laser cutting machine body and other components are in a high temperature environment for a long time, resulting in deformation or aging, which affects the cutting accuracy of the laser cutting machine.

[0004] Second: Air ducts are welded on the inner walls of the longitudinal beams on both sides to prevent a large amount of hot gas generated by cutting from gathering inside, which makes the horizontal width of the laser cutting machine bed wider. The laser cutting machine bed is large and inconvenient to transport.

[0005] Third: The traditional longitudinal beam cross brace and air duct cross brace are welded by parallel stacking.

[0006] The low structural strength and the variability of the bed's heat load affect the cutting accuracy of the laser cutting machine. Summary of the Invention

[0007] The present invention provides a high-strength bed of a laser cutting machine to solve the problems existing in the above-mentioned background technology.

[0008] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a high-strength bed of a laser cutting machine, including a bottom longitudinal beam, a cross brace block one, a cross brace block two, a middle longitudinal beam, an upper longitudinal beam and a cross brace block three, the two ends of the cross brace block one are respectively welded to the inner sides of the bottom longitudinal beam on both sides, the two ends of the cross brace block two are respectively welded to the inner sides of the middle longitudinal beam on both sides, the middle longitudinal beam is arranged above the bottom longitudinal beam and welded to the bottom longitudinal beam, the upper longitudinal beam is arranged above the middle longitudinal beam and welded to the middle longitudinal beam, the cross brace block three is arranged directly above the cross brace block one, and the two ends of the cross brace block three are respectively welded to the inner sides of the middle longitudinal beam on both sides after the diagonal line of the cross brace block three is placed perpendicular to the ground.

[0009] Preferably, a plurality of brackets are provided on both sides of the cross support block 3.

[0010] Preferably, the upper end of the bracket is a triangular support, which is located in the gap between the cross brace block 1 and the cross brace block 3 and is welded to the cross brace block 1 and the cross brace block 3.

[0011] Preferably, the lower end of the bracket is a rectangular support, which is located on one side wall of the cross brace and is welded to the cross brace.

[0012] Preferably, the bottom longitudinal beam and the upper longitudinal beam are formed by splicing and welding double tubes.

[0013] Preferably, a bottom cross beam 1 and a bottom cross beam 2 are spaced apart at a lower end of the cross support, and support legs are provided at both ends of the bottom cross beam 1.

[0014] Preferably, a plurality of dust removal and air suction ports are evenly arranged on the inner side of the middle longitudinal beam.

[0015] Preferably, an upper sealing plate is provided at the upper end of the upper longitudinal beam, and the upper sealing plate is welded to the upper longitudinal beam.

[0016] Preferably, side sealing plates are provided on the side surfaces of the transverse support block 1 and the transverse support block 3, and the side sealing plates are fastened to the bracket.

[0017] Preferably, the cross section of the cross brace guard 3 is a diamond cross section, and a standard profile is selected, such as a square tube.

[0018] The beneficial effects of adopting the above technical solution are:

[0019] 1. The laser cutting machine bed, the middle longitudinal beam is arranged above the bottom longitudinal beam and welded to the bottom longitudinal beam, the upper longitudinal beam is arranged above the middle longitudinal beam and welded to the middle longitudinal beam, and a plurality of dust removal and air suction ports are evenly arranged on the inner side of the middle longitudinal beam. The present invention uses the middle longitudinal beam as an air duct and arranges it between the bottom longitudinal beam and the upper longitudinal beam. Compared with the traditional method of welding air ducts on the inner walls of the longitudinal beams on both sides, it avoids occupying the space inside the two longitudinal beams, so that a large amount of hot gas generated by cutting has a larger gathering space inside, avoiding the laser cutting machine bed and other components from being in a high temperature environment for a long time to cause deformation or aging, thereby ensuring the cutting accuracy of the laser cutting machine.

[0020] In addition, the horizontal width of the laser cutting machine bed is narrowed, the laser cutting machine bed is small in size, and is easy to transport.

[0021] 2. The laser cutting machine bed, the cross brace three is arranged directly above the cross brace one, and the cross brace three is placed diagonally perpendicular to the ground so that its two ends are welded to the inner sides of the middle longitudinal beams on both sides respectively; a plurality of brackets are provided on both sides of the cross brace three, the upper end of the bracket is a triangular support, and the lower end of the bracket is a rectangular support, the triangular support is located in the gap between the cross brace one and the cross brace three, and is welded to the cross brace one and the cross brace three, and the rectangular support is located on one side wall of the cross brace, and is welded to the cross brace one; compared with traditional longitudinal beam cross braces and air duct cross braces that are welded by parallel stacking, the bed has high transverse structural strength, and the bed is not easily deformed by heat load, thereby ensuring the cutting accuracy of the laser cutting machine.

[0022] 3. The bottom longitudinal beam and the upper longitudinal beam are made of double-sided tube splicing and welding, which ensures the bearing strength of the edge of the bed; the lower end of the cross brace is respectively provided with a bottom cross beam 1 and a bottom cross beam 2, so that the laser cutting machine bed has a gap from the ground, ensuring air circulation at the bottom of the laser cutting machine bed and reducing exhaust resistance; the two ends of the bottom cross beam are provided with support legs, and leveling support feet are installed on the support legs to facilitate adjustment of the horizontality of the laser cutting machine bed; the upper end of the upper longitudinal beam is provided with an upper sealing plate, and the upper sealing plate is welded to the upper longitudinal beam to ensure that the upper end surface is flat, which is convenient for the installation of other parts such as guide rails; the side surfaces of the cross brace block 1 and the cross brace block 3 are provided with side sealing plates, and the side sealing plates are tightly connected to the bracket to prevent the smoke and dust blown downward by the auxiliary gas during the cutting process of the laser cutting machine from falling into the gap between the cross brace block 1 and the cross brace block 3. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 The laser cutting machine bed assembly of the present invention Figure 1 ;

[0024] Figure 2 The laser cutting machine bed assembly of the present invention Figure 2 ;

[0025] Figure 3 This is a top view of the laser cutting machine bed of the present invention;

[0026] Figure 4 yes Figure 3 AA section view in;

[0027] Figure 5 This is the assembly drawing of cross brace guard 1, cross brace guard 3, bracket and side cover plate;

[0028] Figure 6 is a schematic diagram of the bracket structure;

[0029] in:

[0030] 1. Bottom longitudinal beam; 2. Cross brace block 1; 3. Cross brace block 2; 4. Middle longitudinal beam; 5. Upper longitudinal beam; 6. Cross brace block 3;

[0031] 20. Bottom beam 1; 20-1. Supporting bracket; 21. Bottom beam 2;

[0032] 40. Dust removal air intake;

[0033] 50. Upper sealing plate;

[0034] 60. Bracket; 60-1. Triangular support; 60-2. Rectangular support; 61. Side cover. DETAILED DESCRIPTION

[0035] The following is a further detailed description of the specific implementation methods of the present invention through the description of embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the concept and technical solution of the present invention and to facilitate its implementation.

[0036] like Figures 1 to 6 As shown, the present invention is a high-strength bed of a laser cutting machine. The middle longitudinal beam is used as an air duct and is arranged between the bottom longitudinal beam and the upper longitudinal beam, avoiding occupying the space inside the two longitudinal beams, so that a large amount of hot gas generated by cutting has a larger gathering space inside, avoiding the laser cutting machine bed and other components from being in a high-temperature environment for a long time to cause deformation or aging, thereby ensuring the cutting accuracy of the laser cutting machine; the horizontal width of the laser cutting machine bed is narrowed, the laser cutting machine bed is small in size, and it is convenient to transport; the horizontal structural strength of the bed is high, and the bed is not easily deformed by heat load.

[0037] Specifically, if Figures 1 to 6 As shown, it includes a bottom longitudinal beam 1, a cross brace block 2, a cross brace block 2 3, a middle longitudinal beam 4, an upper longitudinal beam 5 and a cross brace block 3 6. The two ends of the cross brace block 1 2 are respectively welded to the inner sides of the bottom longitudinal beam 1 on both sides, and the two ends of the cross brace block 2 3 are respectively welded to the inner sides of the middle longitudinal beam 4 on both sides. The middle longitudinal beam 4 is provided above the bottom longitudinal beam 1 and welded to the bottom longitudinal beam 1. The upper longitudinal beam 5 is provided above the middle longitudinal beam 4 and welded to the middle longitudinal beam 4. The cross brace block 3 6 is provided directly above the cross brace block 1 2. The cross brace block 3 6 is placed diagonally perpendicular to the ground so that its two ends are respectively welded to the inner sides of the middle longitudinal beam 4 on both sides.

[0038] A plurality of brackets 60 are provided on both sides of the cross support block 6 .

[0039] The upper end of the bracket 60 is a triangular support 60 - 1 , which is located in the gap between the cross brace block 1 2 and the cross brace block 3 6 and is welded to the cross brace block 1 2 and the cross brace block 3 6 .

[0040] The lower end of the bracket 60 is a rectangular support 60 - 2 , which is located on the side wall of the horizontal support 2 and is welded to the horizontal support 2 .

[0041] The bottom longitudinal beam 1 and the upper longitudinal beam 5 are formed by splicing and welding double tubes.

[0042] A bottom cross beam 1 20 and a bottom cross beam 2 21 are spaced apart at the lower end of the cross support 1 2 , and support legs 20 - 1 are provided at both ends of the bottom cross beam 1 20 .

[0043] A plurality of dust removal and air suction ports 40 are evenly arranged on the inner side of the middle longitudinal beam 4 .

[0044] An upper sealing plate 50 is provided at the upper end of the upper longitudinal beam 5 , and the upper sealing plate 50 is welded to the upper longitudinal beam 5 .

[0045] Side sealing plates 61 are provided on the sides of the transverse support block 1 2 and the transverse support block 3 6 , and the side sealing plates 61 are fastened to the bracket 60 .

[0046] The cross section of the cross brace retainer 6 is a diamond cross section, and a standard profile is selected, such as a square tube.

[0047] The specific working method is described below with specific embodiments:

[0048] Example 1:

[0049] The laser cutting machine bed, the middle longitudinal beam 4 is arranged above the bottom longitudinal beam 1 and welded to the bottom longitudinal beam 1, the upper longitudinal beam 5 is arranged above the middle longitudinal beam 4 and welded to the middle longitudinal beam 4, and a plurality of dust removal and air suction ports 40 are evenly provided on the inner side of the middle longitudinal beam 4. The present invention uses the middle longitudinal beam 4 as an air duct, which is arranged between the bottom longitudinal beam 1 and the upper longitudinal beam 5. Compared with the traditional method of welding air ducts on the inner walls of the longitudinal beams on both sides, it avoids occupying the space inside the two longitudinal beams, so that the large amount of hot gas generated by cutting has a larger gathering space inside, avoiding the laser cutting machine bed and other components from being in a high temperature environment for a long time to produce deformation or aging, thereby ensuring the cutting accuracy of the laser cutting machine.

[0050] In addition, the horizontal width of the laser cutting machine bed is narrowed, the laser cutting machine bed is small in size, and is easy to transport.

[0051] Example 2:

[0052] The laser cutting machine bed, the cross brace block 3 6 is arranged directly above the cross brace block 1 2, and the cross brace block 3 6 is placed with its diagonal line perpendicular to the ground so that its two ends are respectively welded to the inner sides of the middle longitudinal beams 4 on both sides; a plurality of brackets 60 are provided on both sides of the cross brace block 3 6, the upper end of the bracket 60 is a triangular support 60-1, and the lower end of the bracket 60 is a rectangular support 60-2, the triangular support 60-1 is located in the gap between the cross brace block 1 2 and the cross brace block 3 6, and is welded to the cross brace block 1 2 and the cross brace block 3 6, the rectangular support 60-2 is located on the side wall of the cross brace block 1 2, and is welded to the cross brace block 1 2; compared with the traditional longitudinal beam cross brace blocks and the air duct cross brace blocks that are welded by parallel stacking, the bed has high transverse structural strength, the bed is not easily deformed by heat load, and the cutting accuracy of the laser cutting machine is ensured.

[0053] Example 3:

[0054] On the basis of Example 1, the bottom longitudinal beam 1 and the upper longitudinal beam 5 are made of double-sided tube splicing and welding, which ensures the bearing strength of the edge of the bed; the lower ends of the cross brace 2 are respectively provided with a bottom cross beam 1 20 and a bottom cross beam 2 21, so that the laser cutting machine bed has a gap from the ground, ensuring air circulation at the bottom of the laser cutting machine bed and reducing exhaust resistance; the two ends of the bottom cross beam 20 are provided with support legs 20-1, and leveling support feet are installed on the support legs 20-1 to facilitate the adjustment of the horizontality of the laser cutting machine bed; the upper end of the upper longitudinal beam 5 is provided with an upper sealing plate 50, and the upper sealing plate 50 is welded to the upper longitudinal beam 5 to ensure that the upper end surface is flat, which is convenient for the installation of other parts such as guide rails; the side surfaces of the cross brace 1 2 and the cross brace 3 6 are provided with side sealing plates 61, and the side sealing plates 61 are fastened to the bracket 60 to prevent the smoke and dust blown downward by the auxiliary gas during the cutting process of the laser cutting machine from falling into the gap between the cross brace 1 2 and the cross brace 3 6.

[0055] The present invention is described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-mentioned method. As long as various non-substantial improvements are made using the method concept and technical solution of the present invention; or the above-mentioned concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the scope of protection of the present invention.

Claims

1. A high-strength bed for a laser cutting machine, characterized by: The invention comprises a bottom longitudinal beam (1), a cross brace block 1 (2), a cross brace block 2 (3), a middle longitudinal beam (4), an upper longitudinal beam (5) and a cross brace block 3 (6), wherein the two ends of the cross brace block 1 (2) are respectively welded to the inner sides of the bottom longitudinal beam (1) on both sides, the two ends of the cross brace block 2 (3) are respectively welded to the inner sides of the middle longitudinal beam (4) on both sides, the middle longitudinal beam (4) is arranged above the bottom longitudinal beam (1) and welded to the bottom longitudinal beam (1), the upper longitudinal beam (5) is arranged above the middle longitudinal beam (4) and welded to the middle longitudinal beam (4), the cross brace block 3 (6) is arranged directly above the cross brace block 1 (2), the cross brace block 3 (6) is placed diagonally perpendicular to the ground so that its two ends are respectively welded to the inner sides of the middle longitudinal beam (4) on both sides, the inner side of the middle longitudinal beam (4) is evenly provided with a plurality of dust removal and air suction ports (40), the two sides of the cross brace block 3 (6) are provided with a plurality of brackets (60), the The upper end of the bracket (60) is a triangular support (60-1), which is located in the gap between the cross brace block 1 (2) and the cross brace block 3 (6) and is welded to the cross brace block 1 (2) and the cross brace block 3 (6). The lower end of the bracket (60) is a rectangular support (60-2), which is located on the side wall of the cross brace block 1 (2) and is welded to the cross brace block 1 (2). The lower end of the cross brace block 1 (2) is provided with a bottom cross beam 1 (20) and a bottom cross beam 2 (21) at intervals, and support legs (20-1) are provided at both ends of the bottom cross beam 1 (20). The upper end of the upper longitudinal beam (5) is provided with an upper sealing plate (50), and the upper sealing plate (50) is welded to the upper longitudinal beam (5). The side surfaces of the cross brace block 1 (2) and the cross brace block 3 (6) are provided with side sealing plates (61), and the side sealing plates (61) are fastened to the bracket (60).

2. The high-strength bed of a laser cutting machine according to claim 1, characterized in that: The bottom longitudinal beam (1) and the upper longitudinal beam (5) are formed by splicing and welding double tubes.

3. The high-strength bed of a laser cutting machine according to claim 1, characterized in that: The cross section of the cross brace guard 3 (6) is a diamond cross section, and standard profiles are selected, such as square tubes.

Citation Information

Patent Citations

  • Laser cutting machine and machine tool bed thereof

    CN109014616A

  • Rotary flow guide type air draft system of laser cutting machine

    CN112059447A

  • High-strength lathe bed of laser cutting machine

    CN214417981U