Automatic cross-cut sawing device for steel grating

Abstract

The application relates to the technical field of cutting saw devices, in particular to an automatic horizontal cutting saw device for steel grating, which comprises a machine tool, the outer side of the machine tool is provided with a soundproof cabin, the upper end of the machine tool is provided with two mutually symmetrical first electric sliding rails, the two sides of the machine tool are both provided with two mutually symmetrical electric clamps, the inner sides of the two first electric sliding rails are both provided with second electric sliding rails through moving supports, the sides close to each other of the two second electric sliding rails are commonly provided with a moving rod, the outer side of the moving rod is provided with a cutting mechanism, the inner side of the cutting mechanism is provided with an auxiliary mechanism, the first motor in the cutting assembly drives the helical gear set to realize synchronous transmission, drives the third electric sliding rail to accurately deflect, the cutting device can stably realize the cutting of a 45-degree welding bevel and other preset splicing angles, and subsequent secondary processing is not needed; the two groups of sector-shaped saw blades are V-shaped and are attached to the edges of the plates, the bevel cross sections are flat, and the two plates are naturally formed into a closely attached welding surface after butt joint.

Description

Technical Field

[0001] This invention relates to the field of cutting sawing devices, specifically an automatic cross-cutting sawing device for steel grating. Background Technology

[0002] Steel grating, an open steel structure composed of orthogonally combined load-bearing flat steel bars and crossbars, is widely used in building platforms, chemical trench covers, steel stair treads, and other applications. During installation and splicing, it often requires cutting to create specific angle bevels (especially 45° welding bevels) to ensure weld quality and structural load-bearing strength. Existing steel grating cross-cutting saws suffer from the following key technical defects, making it difficult to meet the demands for efficient and precise processing.

[0003] Existing cross-cutting equipment mostly only performs straight cuts or relies on manual adjustment of the bevel angle, lacking a CNC synchronous angle calibration mechanism. This results in poor angle consistency and rough cross-sections for weld bevels such as 45°, requiring additional manual grinding and calibration during splicing. This is not only inefficient but also prone to quality problems such as uneven weld gaps and incomplete fusion due to bevel deviations. For bevel cutting of irregular splices such as L-shapes, special molds are required, resulting in poor adaptability. Steel gratings come in various thicknesses, and the existing equipment's saw blade cutting range is fixed, making it difficult to adapt to the complete cutting needs of different thickness plates, easily leading to incomplete cutting. At the same time, the saw blade is prone to dulling and wear due to high-temperature friction during cutting, requiring frequent shutdowns for replacement, causing production interruptions. Furthermore, the lack of online self-maintenance mechanisms further reduces processing efficiency. Existing devices mostly use single-channel spray cooling, resulting in uneven lubrication and cooling, exacerbating localized overheating and wear of the saw blade, and the metal dust generated during cutting is easily dispersed, leading to excessive dust concentration in the working environment. In addition, the equipment lacks effective sound insulation and debris protection structures, resulting in significant noise pollution and debris splash risks, failing to meet industrial safety operation standards. Therefore, we propose an automatic cross-cutting saw device for steel grating. Summary of the Invention

[0004] In order to overcome the shortcomings of the prior art and solve at least one of the technical problems mentioned in the background art, the present invention proposes an automatic cross-cutting saw device for steel grating.

[0005] The technical solution adopted by the present invention to solve its technical problem is: an automatic cross-cutting saw device for steel grating, including a machine tool, a soundproof chamber provided on the outer side of the machine tool, two mutually symmetrical first electric slide rails provided on the upper end of the machine tool, a conveyor belt provided on the upper end of the machine tool, two mutually symmetrical electric clamps installed on both sides of the machine tool, a second electric slide rail provided on the inner side of the two first electric slide rails through a movable bracket, a moving rod provided on the side of the two second electric slide rails that are close to each other, a cutting mechanism provided on the outer side of the moving rod, and an auxiliary mechanism provided on the inner side of the cutting mechanism.

[0006] Preferably, the cutting mechanism includes a cutting component for positioning the cutting angle, and the cutting mechanism includes an adjustment component for adapting to the thickness of the steel grating.

[0007] Preferably, the cutting assembly includes a fixed frame fixedly connected to the moving rod, a mounting frame fixedly connected to the front end of the fixed frame, a first motor mounted on the inner side of the mounting frame, a first helical gear fixedly connected to the output shaft of the first motor, two symmetrical second helical gears meshing with the outer side of the first helical gear, both second helical gears being rotatably connected to the inner side of the mounting frame via a rotating shaft, and a third electric slide rail being provided at the close ends of both second helical gears.

[0008] Preferably, a first movable frame is provided on the outer side of the third electric slide rail, a fourth electric slide rail is installed at the front end of the first movable frame, an industrial camera is installed at the lower end of the fourth electric slide rail, a second movable frame is provided on the outer side of the fourth electric slide rail, a slide rail frame is fixedly connected to the front end of the second movable frame, a first housing is rotatably connected to the inner side of the slide rail frame via a rotating shaft, a plurality of through holes are provided around the outer side of the first housing, a sealing ring is provided at the through holes of the first housing, a plurality of fan-shaped saw blades are provided on the inner side of the first housing, a second motor is installed at the rear end of the slide rail frame, and the output shaft of the second motor is fixedly connected to the fan-shaped saw blades.

[0009] Preferably, the adjusting assembly includes a bearing disposed inside the first housing. A plurality of T-blocks are fixedly connected to the rear end of the bearing. A gear ring is fixedly connected to the inner wall of the bearing. A plurality of spur gears are meshed on the inner side of the gear ring. The front end of each spur gear is rotatably connected to the inner side of the first housing via a rotating shaft. A toothed slide bar is meshed on the outer side of each spur gear. The front end of the toothed slide bar is slidably connected to a corresponding T-block via a sliding groove. At least two pins are fixedly connected to the rear end of the toothed slide bar. The outer sides of both pins are fixedly connected to a fan-shaped saw blade. The rear end of the fan-shaped saw blade is in contact with the first housing. The outer side of the toothed slide bar is slidably connected to the first housing. A third motor is installed inside the first housing. The output shaft of the third motor is fixedly connected to one of the plurality of spur gears.

[0010] Preferably, the auxiliary mechanism includes a grinding assembly for maintaining the cutting tool, and the auxiliary mechanism includes a lubrication assembly for dust reduction and lubrication.

[0011] Preferably, a first electric push rod is installed at both the front and rear ends of the slide frame, and the output shafts of the two first electric push rods are fixedly connected to mutually symmetrical mounting chambers. The mounting chambers are slidably connected to the inner side of the slide groove of the slide frame, and a fourth motor is installed on the inner side of each of the two mounting chambers. A third movable frame is fixedly connected to the adjacent ends of the two mounting chambers.

[0012] Preferably, the upper inner side of the third movable frame is rotatably connected to a third helical gear via a rotating shaft, and the outer side of the third helical gear is meshed with two fourth helical gears. The ends of the fourth helical gears that are far apart are rotatably connected to the inner side of the third movable frame. The output shaft of one of the two fourth motors is fixedly connected to a corresponding fourth helical gear, and the ends of the two fourth helical gears that are close to each other are fixedly connected to a grinding disc.

[0013] Preferably, the lubrication assembly includes a second housing fixedly connected to an installation chamber. A fixed shaft is rotatably connected to the inner side of the second housing. The rear end of the fixed shaft is fixedly connected to the output shaft of a corresponding fourth motor. A turntable is fixedly connected to the front end of the fixed shaft. A sliding rod is fixedly connected to the front end of the turntable. A second electric actuator is fixedly connected to the upper end of the sliding rod. A slider is fixedly connected to the output shaft of the second electric actuator. The slider is slidably connected to the inner side of the sliding rod. An adjusting shaft is fixedly connected to the front end of the slider.

[0014] Preferably, two slide rods are slidably connected to the inner side of the second housing, and a push frame is fixedly connected to the close end of the two slide rods. The inner side of the push frame is slidably connected to the adjusting shaft, and a solenoid valve spray head is provided at the far end of the two slide rods.

[0015] Compared with the prior art, the present invention provides an automatic cross-cutting saw device for steel grating, which has the following beneficial effects: 1. In the cutting assembly, the first motor drives the helical gear set for synchronous transmission, which drives the third electric slide rail to deflect precisely, and can stably achieve cutting of 45° welding bevel and other preset splicing angles without the need for subsequent secondary processing; the two sets of fan-shaped saw blades fit the edge of the plate in a V-shape, the bevel section is flat, and the two plates are joined together to naturally form a tight welding surface, completely eliminating the need for manual angle calibration. The real-time visual positioning of the industrial camera and the symmetrical clamping of the electric fixture ensure that the cutting benchmark and bevel angle of each plate are completely consistent. During batch processing, the splicing error is minimal and the welding strength is uniform, avoiding the problems of uneven welding gap and unstable weld quality caused by bevel deviation in the existing technology. With angle adjustment and multi-dimensional position calibration working together, it can accurately cut L-shaped steel grating splicing cuts of different sizes without changing molds or adjusting the overall structure of the equipment, adapting to various irregular welding scenarios.

[0016] 2. The fourth motor in the lubrication assembly drives the eccentric transmission mechanism, which drives the solenoid valve spray head to slide back and forth. In conjunction with the second electric push rod, the spraying range can be adjusted to accurately cover the cutting area. The lubricating oil not only cools and lubricates the fan-shaped saw blade and the steel grating, reducing weld defects caused by cutting heat deformation during welding, but also effectively adsorbs metal dust, inhibits dust diffusion, and solves the dual problems of dust pollution and high-temperature wear of saw blade in the existing technology. The through-hole and sealing ring design of the first housing, combined with the centrifugal force during cutting, effectively prevents metal particles from entering the internal transmission structure and avoids jamming of the saw blade drive components; the grinding component achieves follow-up contact through the first electric push rod, and the grinding disc is sharpened in real time during the fan-shaped saw blade cutting process. When the strength of the plate changes and the cutting efficiency decreases, the fourth motor drives the helical gear set to adjust the grinding intensity and maintain the sharpness of the saw blade. Compared with the existing technology where the saw blade needs to be replaced after wear, this greatly extends the tool life and reduces downtime maintenance time. The toothed ring structure of the adjustment component drives the radial extension and retraction of the fan-shaped saw blade, which can completely cover the cutting range of steel gratings of different thicknesses, ensuring consistent bevel depth and avoiding incomplete weld fusion during welding due to incomplete cutting.

[0017] 3. The soundproof chamber on the outside of the machine tool effectively blocks cutting noise pollution and avoids noise injury to operators; the cutting area is protected by the first and second housings, combined with the dust adsorption function of the lubrication components, to prevent metal chips from flying and dust from spreading, ensuring a safe working environment; all moving parts are CNC driven, avoiding operational risks caused by manual intervention. With its coordinated design featuring adjustable cutting angle, extendable saw blade cutting range, and controllable spraying range, this device can be adapted to the processing of steel gratings of different thicknesses, widths, and materials. It can meet the welding requirements of irregular splicing such as L-shapes and right angles, as well as conventional straight cutting processing. There is no need to replace special equipment or parts. Compared with the limitation of "single specification adaptation" in existing technologies, its application range is greatly expanded. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the overall internal structure of the present invention; Figure 3 This is an enlarged schematic diagram of the overall structure of the cutting mechanism and auxiliary mechanism of the present invention; Figure 4 This is a cross-sectional view of a portion of the cutting component of the present invention. Figure 1 ; Figure 5 This is an enlarged schematic diagram of a portion of the cutting component of the present invention. Figure 1 ; Figure 6 This is an enlarged schematic diagram of a portion of the cutting component of the present invention. Figure 2 ; Figure 7 This is a cross-sectional view of a portion of the cutting component of the present invention. Figure 2 ; Figure 8 This is a cross-sectional schematic diagram of the overall structure of the grinding component of the present invention; Figure 9 This is a cross-sectional schematic diagram of the overall structure of the lubrication assembly of the present invention; Figure 10 This is an enlarged schematic diagram of the lubrication component of the present invention.

[0019] In the diagram: 1. Machine tool; 2. Soundproof chamber; 3. First electric slide rail; 4. Electric clamp; 5. Second electric slide rail; 6. Moving rod; 7. Cutting mechanism; 71. Cutting assembly; 711. Fixing frame; 712. Mounting frame; 713. First motor; 714. First helical gear; 715. Second helical gear; 716. Third electric slide rail; 717. First moving frame; 718. Fourth electric slide rail; 719. Industrial camera; 7110. Second moving frame; 7111. Slide rail frame; 7112. First housing; 7113. Second motor; 7114. Sector saw blade; 72. Adjustment assembly; 721. Bearing; 7 22. Gear ring; 723. Spur gear; 724. Gear clip; 725. Pin; 726. Third motor; 8. Auxiliary mechanism; 81. Grinding assembly; 811. First electric push rod; 812. Mounting chamber; 813. Fourth motor; 814. Third moving frame; 815. Third helical gear; 816. Fourth helical gear; 817. Grinding disc; 82. Lubrication assembly; 821. Second housing; 822. Fixed rotating shaft; 823. Turntable; 824. Slide bar; 825. Second electric push rod; 826. Slider; 827. Adjusting rotating shaft; 828. Slide bar; 829. Push frame; 8210. Solenoid valve spray head. Detailed Implementation

[0020] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

[0021] The following electrical components are all electrically connected via an external PLC controller.

[0022] Please see Figure 1 - Figure 10An automatic cross-cutting saw for steel grating includes a machine tool 1, a soundproof chamber 2 on the outside of the machine tool 1, two symmetrical first electric slide rails 3 on the upper end of the machine tool 1, a conveyor belt on the upper end of the machine tool 1, two symmetrical electric clamps 4 on both sides of the machine tool 1, a second electric slide rail 5 on the inner side of the two first electric slide rails 3 via a movable bracket, a moving rod 6 on the side of the two second electric slide rails 5 that are close to each other, a cutting mechanism 7 on the outer side of the moving rod 6, and an auxiliary mechanism 8 on the inner side of the cutting mechanism 7.

[0023] In this embodiment, the cutting mechanism 7 includes a cutting component 71 for positioning the cutting angle, and an adjusting component 72 for adapting to the thickness of the steel grating.

[0024] Specifically, the cutting component 71 is used to adjust and switch the cutting angle, which can complete the straight cutting and 45° bevel cutting of the steel grating, meeting the needs of plate splicing and welding. The adjustment component 72 is used to adjust the extension and retraction range of the saw blade, adapting to steel gratings of different thicknesses and ensuring the integrity of the cutting process.

[0025] In this embodiment, the cutting assembly 71 includes a fixed frame 711 fixedly connected to the moving rod 6. A mounting frame 712 is fixedly connected to the front end of the fixed frame 711. A first motor 713 is mounted on the inner side of the mounting frame 712. A first helical gear 714 is fixedly connected to the output shaft of the first motor 713. Two symmetrical second helical gears 715 are meshed on the outer side of the first helical gear 714. Both second helical gears 715 are rotatably connected to the inner side of the mounting frame 712 through a rotating shaft. A third electric slide rail 716 is provided at the end of each of the two second helical gears 715 that are close to each other.

[0026] Specifically, the fixing frame 711 is used to fix and support the overall cutting assembly 71, the mounting frame 712 provides installation and limiting space for the first motor 713 and the gear transmission structure, the first motor 713 provides rotational power for cutting angle adjustment, the first helical gear 714 and the second helical gear 715 mesh and transmit power to realize power reversal and bidirectional synchronous rotation, and the second helical gear 715 drives the third electric slide rail 716 to synchronously complete the angle deflection, thereby completing the cutting posture adjustment.

[0027] In this embodiment, a first movable frame 717 is provided on the outer side of the third electric slide rail 716, a fourth electric slide rail 718 is installed at the front end of the first movable frame 717, an industrial camera 719 is installed at the lower end of the fourth electric slide rail 718, a second movable frame 7110 is provided on the outer side of the fourth electric slide rail 718, a slide rail frame 7111 is fixedly connected to the front end of the second movable frame 7110, a first housing 7112 is rotatably connected to the inner side of the slide rail frame 7111 via a rotating shaft, a plurality of through holes are provided around the outer side of the first housing 7112, a sealing ring is provided at the through holes of the first housing 7112, a plurality of fan-shaped saw blades 7114 are provided on the inner side of the first housing 7112, a second motor 7113 is installed at the rear end of the slide rail frame 7111, and the output shaft of the second motor 7113 is fixedly connected to the fan-shaped saw blades 7114.

[0028] Specifically, the third electric slide rail 716 drives the first moving frame 717 to complete the lateral position adjustment, the fourth electric slide rail 718 drives the second moving frame 7110 to achieve longitudinal position calibration, the industrial camera 719 is used for visual acquisition and positioning the plate cutting reference, the slide rail 7111 provides the first housing 7112 with a rotating mounting base, the first housing 7112 protects the internal saw blade and transmission structure, and the through hole and sealing ring cooperate to prevent metal debris from entering the housing, the second motor 7113 provides high-speed rotation power for the fan-shaped saw blade 7114, and the fan-shaped saw blade 7114 directly saws the steel grating.

[0029] In this embodiment, the adjustment assembly 72 includes a bearing 721 disposed inside the first housing 7112. Multiple T-blocks are fixedly connected to the rear end of the bearing 721. A gear ring 722 is fixedly connected to the inner wall of the bearing 721. Multiple spur gears 723 are meshed on the inner side of the gear ring 722. The front end of each spur gear 723 is rotatably connected to the inner side of the first housing 7112 via a rotating shaft. A toothed slide bar 724 is meshed on the outer side of each spur gear 723. The front end of the toothed slide bar 724 is connected to a corresponding toothed slide bar via a sliding groove. A T-shaped block is slidably connected, and at least two pins 725 are fixedly connected to the rear end of the toothed slide bar 724. The outer sides of the two pins 725 are fixedly connected to the fan-shaped saw blade 7114. The rear end of the fan-shaped saw blade 7114 is in contact with the first housing 7112. The outer side of the toothed slide bar 724 is slidably connected to the first housing 7112. A third motor 726 is installed on the inner side of the first housing 7112. The output shaft of the third motor 726 is fixedly connected to one of the multiple spur gears 723.

[0030] Specifically, the bearing 721 is used to support the stable rotation of the gear ring 722, the rear T-block provides sliding guidance and limit for the toothed slide bar 724, the third motor 726 outputs power to drive the single set of spur gears 723 to operate, the gear ring 722 meshes and links with each set of spur gears 723 to realize synchronous power transmission, the toothed slide bar 724 achieves linear extension and retraction movement by relying on gear meshing, and the pin 725 is used to lock the toothed slide bar 724 and the fan-shaped saw blade 7114, synchronously driving the saw blade to extend and retract, changing the cutting coverage area.

[0031] In this embodiment, the auxiliary mechanism 8 includes a grinding component 81 for maintaining the cutting tool, and a lubrication component 82 for dust reduction and lubrication.

[0032] Specifically, the grinding component 81 is mainly used to grind and maintain the cutting edge of the fan-shaped saw blade 7114 in real time, continuously keeping the tool sharp and reducing cutting resistance. The lubrication component 82 is used to spray lubricating medium during the cutting operation to cool the tool, lubricate friction, suppress metal dust, and improve the cutting working environment.

[0033] In this embodiment, a first electric push rod 811 is installed at both the front and rear ends of the slide frame 7111. The output shafts of the two first electric push rods 811 are fixedly connected to mutually symmetrical mounting chambers 812. The mounting chambers 812 are slidably connected to the inner side of the slide groove of the slide frame 7111. A fourth motor 813 is installed on the inner side of the two mounting chambers 812. The two mounting chambers 812 are fixedly connected to a third moving frame 814 at their adjacent ends.

[0034] Specifically, the first electric push rod 811 can extend and drive the mounting chamber 812 to slide along the slide frame 7111 to achieve overall adjustment of the grinding structure. The mounting chamber 812 provides a sealed installation space and structural support for the fourth motor 813. The two sets of fourth motors 813 independently provide grinding power and spray reciprocating motion power respectively. The third moving frame 814 is used to integrate and fix the grinding transmission components to ensure the overall structural assembly strength and operational stability.

[0035] In this embodiment, the upper inner side of the third movable frame 814 is rotatably connected to a third helical gear 815 via a rotating shaft. The outer side of the third helical gear 815 is meshed with two fourth helical gears 816. The ends of the fourth helical gears 816 that are far apart are rotatably connected to the inner side of the third movable frame 814. The output shaft of one of the two fourth motors 813 is fixedly connected to a corresponding fourth helical gear 816. The ends of the two fourth helical gears 816 that are close to each other are fixedly connected to a grinding disc 817.

[0036] Specifically, the third helical gear 815 meshes with two sets of fourth helical gears 816 to achieve synchronous power splitting and bidirectional transmission. The fourth helical gear 816 is stably rotated inside the third moving frame 814 to accurately transmit rotational power. The grinding disc 817 rotates synchronously with the fourth helical gear 816, continuously adhering to the cutting edge of the fan-shaped saw blade 7114 to complete the online grinding and finishing operation.

[0037] In this embodiment, the lubrication assembly 82 includes a second housing 821 fixedly connected to an installation chamber 812. A fixed shaft 822 is rotatably connected to the inner side of the second housing 821. The rear end of the fixed shaft 822 is fixedly connected to the output shaft of a corresponding fourth motor 813. A turntable 823 is fixedly connected to the front end of the fixed shaft 822. A sliding groove rod 824 is fixedly connected to the front end of the turntable 823. A second electric push rod 825 is fixedly connected to the upper end of the sliding groove rod 824. A slider 826 is fixedly connected to the output shaft of the second electric push rod 825. The slider 826 is slidably connected to the inner side of the sliding groove rod 824. An adjusting shaft 827 is fixedly connected to the front end of the slider 826.

[0038] Specifically, the second housing 821 encloses and protects the internal reciprocating transmission structure to prevent iron filings from interfering with the moving parts. The fixed rotating shaft 822 receives the output power of the fourth motor 813 and drives the turntable 823 to rotate. The sliding rod 824 moves in a circular motion with the turntable 823. The second electric push rod 825 adjusts the installation position of the slider 826 and changes the eccentric distance of the adjusting rotating shaft 827, thereby realizing the adjustable control of the spraying operation range.

[0039] In this embodiment, two slide rods 828 are slidably connected to the inner side of the second housing 821. The two slide rods 828 are fixedly connected to a push frame 829 at their close ends. The inner side of the push frame 829 is slidably connected to the adjusting shaft 827. Solenoid valve spray heads 8210 are provided at the far ends of the two slide rods 828.

[0040] Specifically, the adjusting shaft 827 uses eccentric circular motion to push the pusher frame 829 back and forth. The pusher frame 829 simultaneously drives the slide rods 828 on both sides to slide smoothly inside the second housing 821. The slide rods 828 carry the solenoid valve spray head 8210 to move synchronously. The solenoid valve spray head 8210 can controllably spray lubricating coolant to complete the lubrication, cooling and dust reduction operations in the cutting area.

[0041] Working principle: During use, the steel grating is placed on the conveyor belt at the top of the machine tool 1 for stable transport. Once the plate is fully inside the soundproof chamber 2, the conveyor belt stops running, ready to start the cutting process. During this process, the output shafts of the two symmetrical electric clamps 4 on both sides of the machine tool 1 are synchronously adjusted to apply clamping force from both sides of the plate, keeping the plate horizontally aligned. At the same time, the front end of the center line to be cut is precisely aligned with the upper fixed frame 711 to ensure accurate cutting reference. Then, the second electric slide rail 5 is activated, driving the moving rod 6 to move downwards vertically, so that the cutting mechanism 7 and the auxiliary mechanism 8 synchronously approach the plate and reach the preset cutting preparation position. First, under the real-time vision guidance of the industrial camera 719, the relative position of the edge of the board and the cutting baseline is accurately captured, providing data support for angle adjustment. Then, the first motor 713 inside the mounting frame 712 is activated, its output shaft driving the first helical gear 714 to rotate. The first helical gear 714, through meshing transmission, drives two symmetrical second helical gears 715 to rotate in opposite directions. Each of the two second helical gears 715 drives the corresponding third electric slide rail 716 to deflect synchronously, allowing for precise adjustment to 45 degrees, or to other preset angles according to actual splicing requirements, ensuring that the two sets of fan-shaped saw blades 7114 form a suitable bevel angle for welding. After angle adjustment, the third electric slide rail 716 is activated to drive the first moving frame 717 to move laterally, adjusting the lateral spacing of the blades. Simultaneously, the fourth electric slide rail 718 is activated to drive the second moving frame 7110 to move longitudinally, adjusting the longitudinal height of the blades. Finally, the two sets of symmetrical fan-shaped saw blades 7114 are arranged in a V-shape, tightly fitting the cutting edge of the board, completing precise alignment before cutting. Next, the cutting range is adjusted according to the actual thickness of the steel grating: the third motor 726 inside the first housing 7112 is started. The output shaft of the third motor 726 drives a spur gear 723 fixedly connected to it to rotate. The spur gear 723 drives the gear ring 722 to rotate smoothly inside the bearing 721 through meshing. The gear ring 722 further meshes and drives the other spur gears 723 to rotate synchronously. The outer sides of the multiple spur gears 723 simultaneously mesh and push the corresponding toothed slide bar 724. The toothed slide bar 724 slides with the T-shaped block at the rear end of the bearing 721 through the front sliding groove, and extends outward along the inner side of the first housing 7112. The toothed slide bar 724 drives the fan-shaped saw blade 7114 to extend outward synchronously through at least two pins 725 fixedly connected to the rear end, thereby accurately expanding the cutting range of the fan-shaped saw blade 7114 and ensuring complete coverage of the plate thickness. Then, the second motor 7113 at the rear end of the slide rail 7111 is started. The output shaft of the second motor 7113 drives the fan-shaped saw blade 7114 to rotate at high speed. At the same time, the first electric slide rail 3 is started, driving the cutting mechanism 7 to feed at a constant speed along the cutting direction of the plate, completing the fixed-length cutting of the steel grating. During the cutting process, the first housing 7112 rotates synchronously with the fan-shaped saw blade 7114. The sealing ring set at the through hole on its outer side, together with the centrifugal force generated by the rotation, can effectively prevent some of the metal particles generated during cutting from entering the interior of the first housing 7112, protecting the transmission components inside. When the fan-shaped saw blade 7114 is extended and retracted, the first electric push rods 811 at both ends of the slide frame 7111 are activated simultaneously. The output shaft of the first electric push rod 811 drives the mounting chamber 812 to move upward along the slide groove of the slide frame 7111. The mounting chamber 812 drives the third moving frame 814 to move synchronously following the extension direction of the fan-shaped saw blade 7114, so that the two grinding discs 817 are always in close contact with the outer edge of the cutting edge of the fan-shaped saw blade 7114. During the high-speed rotation and cutting process of the fan-shaped saw blade 7114, the blade edge of the fan-shaped saw blade 7114 can be automatically sharpened online through continuous contact and friction with the grinding disc 817, maintaining the sharpness of the saw blade. When the strength of the steel grating material changes, causing the cutting efficiency of the fan-shaped saw blade 7114 to decrease, the fourth motor 813 inside one of the installation chambers 812 is activated. Its output shaft drives the corresponding fourth helical gear 816 to rotate. The fourth helical gear 816 drives the other fourth helical gear 816 to rotate synchronously through meshing transmission with the third helical gear 815. The two fourth helical gears 816 drive the corresponding grinding discs 817 to rotate synchronously. By adjusting the speed of the fourth motor 813, the grinding intensity of the grinding disc 817 on the fan-shaped saw blade 7114 can be precisely controlled, and the cutting efficiency of the fan-shaped saw blade 7114 can be quickly restored. Throughout the cutting process, the lubrication assembly 82 can be activated according to the working conditions: The fourth motor 813 inside another mounting chamber 812 is activated, its output shaft drives the fixed rotating shaft 822 to rotate inside the second housing 821. The fixed rotating shaft 822 drives the turntable 823 fixedly connected to the front end to rotate synchronously. The turntable 823 drives the sliding rod 824 at the front end to rotate. The sliding rod 824 drives the push frame 829 to move through the adjusting shaft 827. When the adjusting shaft 827 rotates eccentrically, it continuously pushes the push frame 829, causing the push frame 829 to drive the two sliding rods 828 to slide back and forth inside the second housing 821. The sliding rods 828 drive the solenoid valve spray heads 8210 at both ends to move back and forth synchronously. The solenoid valve spray heads 8210 are then activated. Continuously spraying lubricating oil into the cutting area can cool and lubricate the high-speed rotating fan-shaped saw blade 7114 and the cutting area, reducing saw blade wear and cutting resistance, and effectively suppressing metal dust generated during cutting and inhibiting dust diffusion. By activating the second electric push rod 825, its output shaft pushes the slider 826 to slide inside the slide rail 824, which can precisely control the eccentricity range of the adjusting shaft 827: the closer the adjusting shaft 827 is to the axis of the turntable 823, the smaller the reciprocating stroke of the solenoid valve spray head 8210 and the more concentrated the spraying range; the farther the adjusting shaft 827 is from the axis of the turntable 823, the larger the reciprocating stroke of the solenoid valve spray head 8210 and the wider the spraying range, thus accurately adapting to the cutting conditions of steel gratings of different thicknesses and widths.

[0042] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic cross-cutting saw device for steel grating, comprising a machine tool (1), characterized in that: The machine tool (1) is provided with a soundproof chamber (2) on its outer side. The upper end of the machine tool (1) is provided with two symmetrical first electric slide rails (3). The upper end of the machine tool (1) is provided with a conveyor belt. Two symmetrical electric clamps (4) are installed on both sides of the machine tool (1). The inner side of the two first electric slide rails (3) is provided with a second electric slide rail (5) through a moving bracket. The two second electric slide rails (5) are provided with a moving rod (6) on the side that is close to each other. The outer side of the moving rod (6) is provided with a cutting mechanism (7). The inner side of the cutting mechanism (7) is provided with an auxiliary mechanism (8).

2. The automatic cross-cutting saw device for steel grating according to claim 1, characterized in that: The cutting mechanism (7) includes a cutting component (71) for positioning the cutting angle, and an adjusting component (72) for adapting to the thickness of the steel grating.

3. The automatic cross-cutting saw device for steel grating according to claim 2, characterized in that: The cutting assembly (71) includes a fixed frame (711) fixedly connected to the moving rod (6). A mounting frame (712) is fixedly connected to the front end of the fixed frame (711). A first motor (713) is installed on the inner side of the mounting frame (712). A first helical gear (714) is fixedly connected to the output shaft of the first motor (713). Two symmetrical second helical gears (715) are meshed on the outer side of the first helical gear (714). Both second helical gears (715) are rotatably connected to the inner side of the mounting frame (712) through a rotating shaft. A third electric slide rail (716) is provided at the end of the two second helical gears (715) that are close to each other.

4. The automatic cross-cutting saw device for steel grating according to claim 3, characterized in that: The third electric slide rail (716) is provided with a first moving frame (717) on its outer side. The front end of the first moving frame (717) is equipped with a fourth electric slide rail (718). The lower end of the fourth electric slide rail (718) is equipped with an industrial camera (719). The fourth electric slide rail (718) is provided with a second moving frame (7110) on its outer side. The front end of the second moving frame (7110) is fixedly connected to a slide rail frame (7111). The inner side of the slide rail frame (7111) is rotatably connected to a first housing (7112) via a rotating shaft. The outer side of the first housing (7112) is provided with multiple through holes. A sealing ring is provided at the through holes of the first housing (7112). The inner side of the first housing (7112) is provided with multiple fan-shaped saw blades (7114). The rear end of the slide rail frame (7111) is equipped with a second motor (7113). The output shaft of the second motor (7113) is fixedly connected to the fan-shaped saw blades (7114).

5. The automatic cross-cutting saw device for steel grating according to claim 4, characterized in that: The adjusting assembly (72) includes a bearing (721) disposed inside the first housing (7112). Multiple T-blocks are fixedly connected to the rear end of the bearing (721). A gear ring (722) is fixedly connected to the inner wall of the bearing (721). Multiple spur gears (723) are meshed on the inner side of the gear ring (722). The front end of each spur gear (723) is rotatably connected to the inner side of the first housing (7112) via a rotating shaft. A toothed slide bar (724) is meshed on the outer side of each spur gear (723). The front end of each toothed slide bar (724) is connected to a corresponding toothed slide bar via a sliding groove. The T-shaped block is slidably connected, and at least two pins (725) are fixedly connected to the rear end of the toothed slide bar (724). The outer sides of the two pins (725) are fixedly connected to the fan-shaped saw blade (7114). The rear end of the fan-shaped saw blade (7114) is in contact with the first housing (7112). The outer side of the toothed slide bar (724) is slidably connected to the first housing (7112). A third motor (726) is installed on the inner side of the first housing (7112). The output shaft of the third motor (726) is fixedly connected to one of the spur gears (723) among a plurality of spur gears (723).

6. The automatic cross-cutting saw device for steel grating according to claim 1, characterized in that: The auxiliary mechanism (8) includes a grinding assembly (81) for maintaining the cutting tool, and a lubrication assembly (82) for dust reduction and lubrication.

7. The automatic cross-cutting saw device for steel grating according to claim 4, characterized in that: The front and rear ends of the slide frame (7111) are each equipped with a first electric push rod (811). The output shafts of the two first electric push rods (811) are fixedly connected to mutually symmetrical mounting chambers (812). The mounting chambers (812) are slidably connected to the inner side of the slide groove of the slide frame (7111). The inner side of the two mounting chambers (812) is equipped with a fourth motor (813). The two mounting chambers (812) are fixedly connected to a third moving frame (814) at their adjacent ends.

8. The automatic cross-cutting saw device for steel grating according to claim 7, characterized in that: The upper inner side of the third moving frame (814) is rotatably connected to a third helical gear (815) via a rotating shaft. The outer side of the third helical gear (815) is meshed with two fourth helical gears (816). The ends of the fourth helical gears (816) that are far apart are rotatably connected to the inner side of the third moving frame (814). The output shaft of one of the two fourth motors (813) is fixedly connected to a corresponding fourth helical gear (816). The ends of the two fourth helical gears (816) that are close to each other are fixedly connected to a grinding disc (817).

9. The automatic cross-cutting saw device for steel grating according to claim 6, characterized in that: The lubrication assembly (82) includes a second housing (821) fixedly connected to an installation chamber (812). A fixed shaft (822) is rotatably connected to the inner side of the second housing (821). The rear end of the fixed shaft (822) is fixedly connected to the output shaft of a corresponding fourth motor (813). A turntable (823) is fixedly connected to the front end of the fixed shaft (822). A sliding rod (824) is fixedly connected to the front end of the turntable (823). A second electric push rod (825) is fixedly connected to the upper end of the sliding rod (824). A slider (826) is fixedly connected to the output shaft of the second electric push rod (825). The slider (826) is slidably connected to the inner side of the sliding rod (824). An adjusting shaft (827) is fixedly connected to the front end of the slider (826).

10. The automatic cross-cutting saw device for steel grating according to claim 9, characterized in that: The inner side of the second housing (821) is slidably connected to two slide rods (828). The two slide rods (828) are fixedly connected to a push frame (829) at their close ends. The inner side of the push frame (829) is slidably connected to the adjusting shaft (827). The two slide rods (828) are each provided with a solenoid valve spray head (8210) at their far ends.

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