Cutting equipment for steel roller production and using method

Abstract

The invention discloses cutting equipment for steel roller production, which is used for a to-be-cut steel roller, and is characterized by comprising a laser device, a cutting device, a cutting device and a cutting device, and the laser device is used for the to-be-cut steel roller; the motion platform is used for controlling the position movement between the steel roller to be cut and the laser; the roller restraining module is arranged on the moving platform and used for restraining and limiting the steel roller to be cut; and non-contact support is formed, so that mechanical friction is eliminated, and submicron-level motion precision is realized.

Description

Technical Field

[0001] This invention relates to the field of laser cutting technology, and in particular to a cutting device and method for producing steel rollers. Background Technology

[0002] Steel roller production and cutting equipment is used to cut long steel rollers into lengths that meet specific requirements. It is widely used in industries such as steel processing and machinery manufacturing. Steel rollers (mirror rollers, guide rollers, back pressure rollers, slitting rollers, etc.) used in lithium battery copper foil, separator, and coating processes must be cut using specialized equipment that is "high mirror finish, non-magnetic, stress-free, and free of vibration marks." The mainstream approach is a combination of CNC ultra-precision cylindrical grinding machine + centerless grinding machine + laser / plasma micro-stress relief cutting, rather than traditional flame cutting or ordinary sawing.

[0003] When cutting steel rollers, equipment is needed to fix the steel rollers. The surface of lithium-ion steel rollers is already mirror-finished / chrome-plated. Any hard clamping marks, magnetization, or dust will scrap the entire roller. Traditional machining vises or hydraulic chucks cannot meet the requirements of "low stress, non-magnetic, and ultra-clean" special fixtures. Summary of the Invention

[0004] To address the problems of existing technologies, embodiments of the present invention provide a cutting device for steel roll production. The technical solution is as follows: A cutting device for steel roll production, used for laser cutting of steel rolls to be cut, characterized in that it comprises: A laser, the laser being used for cutting a steel roll; A motion platform, which is used to control the positional movement between the steel roller to be cut and the laser; A roller constraint module is disposed on the motion platform and is used to constrain and limit the steel roller to be cut. The roller constraint module includes: A chassis fixed to the motion platform and capable of providing high-pressure gas, and a first air flotation assembly disposed in the chassis. The first air flotation assembly is a tubular structure with one end open and the other end closed. The closed end includes a first air supply pipe, a pressure valve, an axial fan, an axial air hole, and a radial air hole connected to the chassis. The high-pressure gas is blown sequentially through the first air supply pipe, the pressure valve, the axial fan, the axial air hole, and the radial air hole toward the end face and side face of the steel roller to be cut.

[0005] Furthermore, the motion platform includes a first moving module, a second moving module, and a third moving module.

[0006] Furthermore, the laser is disposed in the first mobile module.

[0007] Furthermore, the motion platform includes a platform, which is disposed on the third moving module.

[0008] Furthermore, the roller constraint module also includes: The second air flotation component is disposed on the first air flotation component.

[0009] Furthermore, the second air flotation assembly includes a second air supply pipe, a pressure valve, and a second radial air hole. The high-pressure gas is sequentially blown through the second air supply pipe, the pressure valve, and the second radial air hole toward the side of the steel roller to be cut.

[0010] Furthermore, the roller constraint module includes a first roller constraint module and a second roller constraint module arranged opposite to each other, and the two ends of the steel roller to be cut are respectively constrained within the roller constraint module.

[0011] Furthermore, the steel roll to be cut includes a slit, which is disposed between the first roll constraint module and the second roll constraint module.

[0012] Furthermore, the chassis includes an air supply system connected to the roller constraint module to provide high-pressure gas to the roller constraint module.

[0013] This invention also provides a method of using a cutting device for steel roll production, comprising: S1. Apply mirror / chrome plating treatment to the surface of the steel roller to be cut; S2. After assembling the steel roller to be cut into the roller constraint module, the first air-float component is used to limit the air-float position of the steel roller to be cut. S3. Control the position between the stage and the laser by adjusting the motion platform; S4. Micro-cut the slit of the steel roller to be cut using a laser; S5. Move the cut steel roller out of the roller constraint module and keep it in the designated position.

[0014] The beneficial effects of the technical solution provided by the embodiments of the present invention are as follows: 1. By utilizing a continuously supplied compressed gas film, a "non-contact" support is formed between the opposing roller constraint module and the steel roller to be cut, thereby eliminating mechanical friction and achieving sub-micron level motion accuracy. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a cutting device for steel roll production provided in an embodiment of the present invention; Figure 2 This is the motion platform of the cutting equipment for steel roll production provided in the embodiments of the present invention; Figure 3 This is the motion platform of the cutting equipment for steel roll production provided in the embodiments of the present invention; Figure 4 This is the roller constraint module of the cutting equipment for steel roller production provided in the embodiments of the present invention; Figure 5 This is a roller constraint module for a cutting device for steel roller production provided in another embodiment of the present invention; Figure 6 This is a cross-sectional view of the roller constraint module provided in an embodiment of the present invention. Detailed Implementation

[0017] To make the objectives, technical solutions, and advantages of this invention clearer, the technical solutions of the embodiments of this invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this invention, and not all embodiments. Based on the embodiments of this invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this invention.

[0018] The laser micro-cutting equipment for lithium battery steel rollers (also called a "laser length cutter") is an ultra-precision, non-contact, online inspection system that cuts "long rollers" into "short rollers." Its core consists of four main modules: a laser unit, a motion platform, a cleanroom clamping system, and a CCD / dust removal system. In practical applications, the cleanroom clamping system achieves high-precision, high-reliability positioning under extreme conditions of "no dust generation, no magnetism, and no residue."

[0019] Therefore, in order to solve the technical problems of high-precision and high-reliability positioning, such as Figure 1 As shown, this embodiment of the invention provides a cutting device 100 for steel roll production, including a housing 101, an operating machine 102, a motion platform 103, and a laser 104. The housing 101 is the outer shell of the cutting device 100 and provides a clean environment for the cutting device 100. The vacuum negative pressure dust collection device inside the housing 101 prevents the volatile particles of the grease in the cutting device 100 from contaminating the roll surface. The operating machine 102 is located on the side of the cutting device 100 for operating the cutting device 100. The motion platform 103 is located inside the frame of the cutting device 100. The cutter 104 is connected to the motion platform, and the motion platform 103 is used to control the position movement of the steel roll to be cut and the laser 104 respectively.

[0020] like Figure 2 , Figure 3 As shown, the motion platform 103 includes three moving modules that can move in the X, Y, and Z directions respectively: a first moving module 1031, a second moving module 1032, and a third moving module 1033. The first moving module 1031 is equipped with a laser 104, which can be controlled to translate in the X-axis direction. The second moving module 1032 is connected to the first moving module 1031 and can control the translation of the first moving module 1031 in the Y-axis direction. The third moving module 1033 is located below the second moving module 1032 and can control the relative position of a platform 1034 and the laser 104 in the Z-axis direction. The third moving module 1033 drives the platform to move stably in the Z-axis direction. The third moving module 1033 includes a drive motor, a transmission belt, and a worm gear. The worm gear rotates under the drive of the transmission belt and moves up and down along the worm. At the same time, the worm gear is provided with a fixed plate that abuts against the platform 1034. When the worm gear is driven to move up and down along the worm, the platform 1034 is raised and lowered. To ensure the stability of the platform 1034's raising and lowering, guide rods 1307 are provided. The number of guide rods 1307 is the same as the number of worm gears. The platform 1034 is rectangular. The guide rods 1307 and worm gears are preferably located at the four corners of the platform 1034.

[0021] The laser 104 is rotatably connected to the first moving module 1031. While the laser 104 moves in the X-axis direction through the first moving module 1031, the laser head of the laser 104 can also rotate around the outer surface of the steel roller 300 to be cut at a certain angle. For example, when the laser 104 is performing laser cutting around the slit 301, the steel roller 300 is driven upward by the third moving module 1033. At the same time, the laser 104 emits laser light towards the slit 301 of the steel roller 300 while rotating upward to achieve laser cutting of the slit 301 at the bottom of the steel roller 300.

[0022] The three-axis motion platform directly determines the cutting accuracy, efficiency, and stability. The third moving module 1033 carries the steel roller 300 via the platform 1034 and precisely controls the focusing distance between the laser head of the laser 104 and the surface of the steel roller 300. Small changes in this distance will significantly affect the spot size, energy density, and cutting quality, especially when cutting curved or uneven workpieces (such as steel rollers). The core of the third moving module 1033 is a set of high-rigidity, low-inertia linear motion units to ensure fast and lag-free vertical motion response. In another embodiment, the drive motor drives the precision ball screw to move along the Z-axis direction via a drive belt. The third moving module 1033 includes a drive motor, a transmission belt, and a ball screw. The ball screw includes a nut seat and a threaded shaft. The nut seat rotates and moves up and down along the threaded shaft via the drive belt. At the same time, the nut seat is provided with a fixed plate that abuts against the platform 1034. When the nut seat is driven to move up and down along the threaded shaft, the platform 1034 is raised and lowered. The ball screw has higher precision and better rigidity and is the mainstream choice. The drive belt is lighter and lower in cost, and is suitable for some high-speed and light-load applications.

[0023] The third moving module 1033 also includes a capacitive or optical height sensor: this is the "eye" of the Z-axis, detecting the distance between the laser 104 and the workpiece surface in real time, forming a closed-loop control to ensure a constant focal position during the cutting process. This is crucial for cutting the surface of a circular steel roller. The third moving module 1033 also includes an automatic focusing device: according to the requirements of cutting different thicknesses or materials, it automatically adjusts the relative positions of the optical lenses inside the laser 104 to ensure that the laser beam forms the optimal focal point inside the workpiece.

[0024] The second moving module 1032 is mounted on the crossbeam of the third moving module 1033 and consists of two high-precision linear guides, which are fixed parallel to each other on the upper surface (or side) of the crossbeam. Sliding on the Y-axis guide is a saddle or slide plate that carries the final actuator—the Z-axis. This component needs to have sufficient rigidity to support the weight and dynamic load of the Z-axis and the cutting head, while maintaining stability during high-speed lateral movement.

[0025] The first moving module 1031 spans and straddles the two guide rails of the second moving module 1032. This is the core framework of the platform—the moving bridge. The X-axis movement is typically driven by a high-power drive motor. There are two main ways power is transmitted to the crossbeam: Rack and pinion drive: This is the mainstream choice for large, high-speed, long-stroke platforms. The drive unit drives a high-strength gear through a precision reducer, which meshes with a precision rack fixed on the bed, propelling the entire moving bridge frame to move smoothly and at high speed along the X-axis. Its advantages include good transmission rigidity, large thrust, and suitability for long-distance operation.

[0026] Precision ball screw drives are also used in small to medium-sized platforms or platforms with extreme positioning accuracy requirements. The rotation of the screw drives a nut connected to a crossbeam to achieve linear motion. Its advantages are extremely high positioning accuracy and stability, but it suffers from thermal expansion and deflection issues over long strokes, and its cost is also higher.

[0027] like Figure 1 , Figure 4 As shown, an embodiment of the present invention provides a cutting equipment 100 for steel roll production. Inside the equipment, a housing 201 and a roll constraint module 202 are arranged on a platform 1034. The roll constraint module 202 includes a first air flotation component 20211 and a second air flotation component 20221. The first air flotation component 20211 is provided with a first air supply pipe 20212 that is connected to the housing 201. The second air flotation component 20221 is provided with a second air supply pipe 20222 that is connected to the housing 201. The first air flotation component 20211 is fixedly installed on the housing 201. The second air flotation component 20221 is a compensation structure for extending the length of the first air flotation component 20211. Furthermore, a third air flotation component, a fourth air flotation component, etc., can also be connected to the second air flotation component 20221, depending on the length of the steel roll to be processed.

[0028] like Figure 5 As shown, in another embodiment of the present invention, the roller constraint module 202 can also be configured as two opposing first roller constraint modules 202A and second roller constraint modules 202B. The two ends of the steel roller 300 are respectively limited by the first roller constraint module 202A and the second roller constraint module 202B. This configuration can be used to produce steel rollers 300 to be cut to be longer, and the slit 301 of the steel roller 300 is located in the air-exposed position between the first roller constraint module 202A and the second roller constraint module 202B, which facilitates the laser 104 to process the slit 301 of the steel roller 300.

[0029] like Figure 6As shown, the roller constraint module 202 includes a first air flotation component 20211, which is a tubular structure with one end open and the other end closed. The closed end includes a first air supply pipe 20212, a pressure valve 20213, an axial fan disc 20214, and an axial air hole 20215, all connected to the housing 201. The first air supply pipe 20212, the pressure valve 20213, the axial fan disc 20214, and the axial air hole 20215 are connected by gas pipelines. The housing 201 is equipped with an air supply system that provides high-pressure gas to the first air flotation component 20211. The high-pressure gas passes sequentially through the first air supply pipe 20212, the pressure valve 20213, and the axial fan disc 20215. The disc 20214 and axial air hole 20215 blow air onto the end face of the steel roller 300 to prevent the end face of the steel roller 300 from colliding with the axial air disc 20214. The inner wall of the first air flotation component 20211 is also provided with a radial air hole C. High-pressure gas is blown onto the side of the steel roller 300 through the first air supply pipe 20212, air pressure valve 20213, axial air disc 20214 and radial air hole C in sequence to prevent the side of the steel roller 300 from colliding with the inner wall of the first air flotation component 20211. By setting high-pressure airflow in the axial and radial directions of the steel roller 300 to form a "non-contact" supported gas film between the two opposing solid surfaces, mechanical friction is eliminated and submicron-level motion accuracy is achieved. Furthermore, in order to accommodate a longer steel roller 300, the first air flotation component 20211 can be provided with a second air flotation component 20221 for extending the air flotation limiting distance. The second air flotation component 20221 includes a second air supply pipe 20222, a pressure valve 20223, and a second radial air hole 20223. An air supply system is provided inside the housing 201 to provide high-pressure gas to the second air flotation component 20221. The high-pressure gas is blown toward the side of the steel roller 300 through the second air supply pipe 20222, the pressure valve 20223, and the second radial air hole 20223 in sequence, so as to avoid the side of the steel roller 300 from colliding with the inner wall of the second air flotation component 20221.

[0030] The roller constraint module 202 is essentially a gas static pressure fan, utilizing the pressure of high-pressure gas to form a stable gas film between solid surfaces, achieving contactless support and precision motion. The core objective of the roller constraint module 202 is: Eliminate mechanical friction: Avoid direct contact between the steel roller and the supporting structure.

[0031] Achieve submicron-level motion accuracy: Provides extremely stable, smooth, and frictionless support, enabling the rotation and axial position control of the steel rollers to achieve extremely high precision (less than 1 micrometer).

[0032] Surface protection: Prevents the steel roller and the support surface from being worn or scratched due to contact.

[0033] Key components of the roller constraint module 202: High-pressure gas source: Provides stable, clean, and dry compressed air or inert gas (such as nitrogen).

[0034] Gas supply system: includes filters (to remove oil, water, and particles), pressure regulating valves (to precisely control pressure), and flow meters (to monitor gas flow).

[0035] Throttling elements: These are the core of the fan coil unit. They are precision-machined onto the surface of the load-bearing structure (fan coil unit), opposite the steel rollers. Common types include: Orifice throttling device: An array of small holes precisely machined on the surface of the fan.

[0036] Capillary throttle: a narrower channel.

[0037] Porous materials: The entire fan plate is made of materials with uniform micropores (such as graphite or porous bronze), through which gas seeps out.

[0038] Gap: The tiny gaps (usually a few micrometers to tens of micrometers) between the surface of the steel roller and the surface of the fan disc, in which the air film forms.

[0039] Detailed Explanation of Working Principle (Radial and Axial): High-pressure gas injection: High-pressure gas is delivered from the gas source through the gas supply system (filtration and pressure stabilization) to the air chamber or channel inside the fan coil unit.

[0040] Gas flows through a throttling element (orifice, capillary, or porous material) on the surface of the fan.

[0041] Throttling is key: These throttling elements create resistance to gas flow, forcing the gas pressure to drop significantly as it passes through the throttler.

[0042] Gas formation (static pressure effect): The gas flowing out from the throttling element enters the tiny gap between the surface of the steel roller and the surface of the fan.

[0043] Due to the narrow gap, gas flow is restricted, and the flow rate increases (Venturi effect). But more importantly, the gas diffuses in the cavity region of the gap (around the orifice outlet), and the flow rate slows down.

[0044] According to the principles of hydrostatics (a simplified form of Bernoulli's equation), the decrease in flow velocity causes the gas kinetic energy to be converted into pressure energy, resulting in a significant increase in gas pressure within the gap (especially near the outlet of the throttling orifice), which is higher than the ambient atmospheric pressure.

[0045] This gas layer, with pressure higher than ambient, forms the "air film" that supports the steel roller. It is the pressure of this air film that "floats" the steel roller, completely detaching it from the surface of the fan coil unit.

[0046] Load support (radial and axial): Radial support (resisting gravity, centrifugal force, etc.): Around the cylindrical surface of the steel roller, an array of throttling holes on the radial bearing generates a uniformly distributed high-pressure air cushion.

[0047] The combined force generated by these air cushions acts perpendicularly on the surface of the steel roller, pointing towards the center of the steel roller.

[0048] The radial component of this resultant force (perpendicular to the axis) balances the radial loads acting on the steel roll (such as gravity, unbalanced forces, and processing forces).

[0049] The tangential component of this resultant force (parallel to the axis) is very small because the gas has almost no shear resistance (ideally), and therefore very little rotational resistance.

[0050] Axial support (resisting axial thrust): A uniform high-pressure air cushion is generated on one or both end faces of the steel roller by an annular throttling orifice array or an annular porous region on the axial (thrust) bearing.

[0051] The pressure generated by this air cushion is perpendicular to the end face, forming a thrust that balances the load (such as driving thrust and assembly preload) acting on the steel roller axis.

[0052] Automatic adjustment and stability of the gap: The thickness of the air film (gap size) is the result of the system's self-regulation and depends on the air supply pressure, throttling characteristics, and load size.

[0053] Key negative feedback mechanism: If an external load (such as gravity) attempts to reduce the gap (bringing the steel roller closer to the fan), the narrowing of the gap will increase the resistance to the gas flowing out of the gap.

[0054] Increased resistance means that the gas pressure inside the gap will increase (because it is more difficult for the gas to flow out).

[0055] Increased pressure generates greater support force, pushing the steel roller back to resist the increased load and attempt to restore the original gap size.

[0056] Conversely, if the load decreases and the gap tends to increase, the outflow resistance decreases, the pressure within the gap decreases, the support force decreases, and the steel roller will sink slightly to restore the set gap.

[0057] This negative feedback relationship between pressure, gap, and flow rate gives the air film inherent rigidity, enabling it to resist external disturbances and maintain a stable gap, which is the foundation for achieving high precision.

[0058] Key factors for achieving submicron level accuracy: Frictionless: The air film completely isolates solid contact, eliminating Coulomb friction, static friction and stick-slip phenomena, resulting in extremely smooth motion.

[0059] High stiffness: By optimizing the air supply pressure, throttle design and clearance size, high air film stiffness can be obtained, effectively resisting external disturbances (vibration, load changes) and maintaining positional stability.

[0060] Uniformity: Precision machining and uniform distribution of throttling elements ensure uniform distribution of air film pressure and avoid local deformation or vibration.

[0061] Damping characteristics: The gas film itself has a certain compression film damping effect (when the gap changes rapidly, the gas is compressed and generates resistance), which helps to dampen vibrations. The damping magnitude can be adjusted by gas viscosity, gap, and structural design.

[0062] Thermal stability: Gas friction generates very little heat, and the gas itself is a good coolant, resulting in a small temperature rise and minimal thermal deformation of the entire system.

[0063] Clean and pollution-free: No lubricating oil is required, avoiding oil and wear debris pollution, making it particularly suitable for clean environments (such as semiconductor and optical manufacturing).

[0064] This invention provides a method for using a cutting device for steel roll production, comprising: S1. Perform mirror / chrome plating treatment on the surface of the steel roller to be cut, including: S11. Cleaning treatment: Thoroughly clean the surface of the steel roller with a lint-free cloth and a special solvent (such as acetone) to remove oil and dust.

[0065] Inspect the surface roughness (Ra ≤ 0.1μm) to ensure there are no scratches or pits.

[0066] S12, Mirror finish / chrome plating Mirror polishing: Ultra-fine grinding + chemical polishing are used to achieve a surface roughness of Ra 0.01~0.02μm.

[0067] Chrome plating reinforcement: Electroplated hard chrome layer (thickness 5~10μm), hardness ≥800 HV; A second polishing process is performed after plating to eliminate micropores.

[0068] S2. After assembling the steel roller to be cut into the roller constraint module, the first air-bearing component is used to limit the air-bearing position of the steel roller to be cut, including: S21, Roller constraint module loading Open the V-shaped air flotation tank of the module and introduce high-pressure nitrogen (0.5~0.8 MPa) to form a radial air film.

[0069] Manually or with a robotic arm, gently place the steel roller onto the module, ensuring that the axial direction is parallel to the equipment baseline (error ≤ 0.05 mm / m).

[0070] S22, First air flotation component starts Radial limiting: The air bearing hole ejects a uniform airflow (pressure 0.3~0.6 MPa), which wraps around the steel roller to form an air gap of 10~20μm.

[0071] Axial locking: The end face air-bearing thrust plate is activated to apply axial preload (adjustable range 50~200N) to eliminate axial movement.

[0072] Real-time monitoring: Laser displacement sensors detect the suspension state of the steel roller, and air film fluctuations are controlled within ±2μm.

[0073] S3. Controlling the position between the stage and the laser by adjusting the motion platform, including: S31, Motion Platform Linkage Control Stage adjustment: The servo motor drives the stage to move along the XYZ three axes with a positioning accuracy of ±1μm.

[0074] Laser focusing: First, a rough adjustment: the vision system identifies the edge of the steel roller and locates the starting point of the cut; Further fine-tuning: Confirm the focal distance with a laser rangefinder (usually 100~150mm focal length), and ensure the spot diameter is ≤30μm.

[0075] S32, Process Parameter Preload Input the cutting parameters (power, frequency, speed) into the control system, for example: Material: GCr15 bearing steel Laser power: 500W (pulse) Frequency: 20kHz Cutting speed: 10mm / s Assist gas: High-purity argon (pressure 0.2 MPa).

[0076] S4. Micro-cutting the kerf of the steel roller to be cut using a laser, including: S41, Cutting Process Starting point positioning: The laser head is moved to the preset cutting position on the end face of the steel roller (error ≤ 5μm).

[0077] Dynamic cutting: The steel roller rotates at a constant speed (0.5~2 rpm), and the laser beam is fed along the axial direction; Real-time monitoring of the heat-affected zone (HAZ) is conducted, and an infrared thermal imager ensures that the temperature is <150℃.

[0078] S42, Quality Control Online inspection: Real-time measurement of kerf width (target value 50±5μm) and depth using a confocal microscope to ensure consistency.

[0079] Adaptive compensation: If a cutting deviation is detected, the system automatically corrects the laser power or feed speed.

[0080] S5. After the cut steel roller is moved out of the roller constraint module, it is held in the designated position, including: S51, Safe Uninstallation Process Turn off the air flotation system and wait for the steel roller to sink to the buffer pad (anti-collision material).

[0081] The robotic arm grips the non-functional area of ​​the steel roller and moves it out of the module.

[0082] S52. Finished product storage in designated locations Place it on a constant temperature (20±1℃) shockproof platform; Cover with a dust cover to prevent the mirror from oxidizing or scratching.

[0083] The above solution addresses the following technical challenges: 1. Zero contact pressure: The mirror-finish chrome plating layer is only 20–40 µm thick, and the indentation depth >1 µm is considered scrap. The clamping force must be controlled to below 10 N and evenly distributed (±1 N), which is something that traditional hydraulic / pneumatic chucks cannot achieve.

[0084] 2. No magnetic pollution: Lithium-ion batteries have zero tolerance for magnetic powder (<1 mg / m²). All clamping components must be made of non-magnetic stainless steel, PEEK, alumina ceramic, or fluororubber, and friction-induced magnetization must be avoided.

[0085] 3. Improved cleanroom compatibility All moving parts operate within IS6–7 laminar flow; Bearings and guide rails must be fully sealed and vacuum negative pressure dust collection is required to prevent volatile grease particles from contaminating the roller surface.

[0086] All of the above-mentioned optional technical solutions can be combined in any way to form optional embodiments of the present invention, and will not be described in detail here.

[0087] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A cutting apparatus for steel roll production for performing laser cutting on a steel roll to be cut, characterized by, The utility model relates to a laser cutting device for steel roller, comprising: a laser for cutting the steel roller to be cut; a motion platform for controlling the position movement between the steel roller to be cut and the laser; a roller constraint module provided on the motion platform for constraining and positioning the steel roller to be cut; wherein the roller constraint module comprises: a cabinet fixed on the motion platform and capable of providing high-pressure gas, and a first air floating assembly provided on the cabinet, the first air floating assembly being a tubular structure with one end open and the other end closed, the closed end comprising a first gas conveying pipe, a gas pressure valve, an axial air disc, an axial air hole and a radial air hole provided on the cabinet and connected with each other, and the high-pressure gas being blown to the end face and side face of the steel roller to be cut in sequence through the first gas conveying pipe, the gas pressure valve, the axial air disc, the axial air hole and the radial air hole.

2. The cutting apparatus for steel roll production as claimed in claim 1, wherein The motion platform comprises a first moving module, a second moving module and a third moving module.

3. The cutting apparatus for steel roll production as claimed in claim 2, wherein The laser is provided on the first moving module.

4. The cutting apparatus for steel roll production as claimed in claim 2, wherein The motion platform comprises a carrier provided on the third moving module.

5. The cutting apparatus for steel roll production as claimed in claim 1, wherein The roller constraint module further comprises: a second air floating assembly provided on the first air floating assembly.

6. The cutting apparatus for steel roll production as claimed in claim 5, wherein The second air floating assembly comprises a second gas conveying pipe, a gas pressure valve and a second radial air hole, and the high-pressure gas is blown to the side face of the steel roller to be cut in sequence through the second gas conveying pipe, the gas pressure valve and the second radial air hole.

7. The cutting apparatus for steel roll production as claimed in claim 1, wherein The roller constraint module comprises oppositely arranged first and second roller constraint modules, and the two ends of the steel roller to be cut are respectively positioned in the roller constraint modules.

8. The cutting apparatus for steel roll production as claimed in claim 7, wherein The steel roller to be cut comprises a cutting seam provided between the first and second roller constraint modules.

9. The cutting apparatus for steel roll production as claimed in claim 1, wherein The cabinet comprises a gas supply system connected with the roller constraint module and providing high-pressure gas for the roller constraint module.

10. A method of using a cutting apparatus for steel roll production, characterized by, The utility model relates to a laser cutting device for steel roller, comprising: S1, mirror surface / chromium plating treatment is carried out to the surface of the steel roller to be cut; S2, after the steel roller to be cut is assembled in the roller constraint module, the first air floating assembly is used for air floating positioning of the steel roller to be cut; S3, the position between the carrier and the laser is controlled by adjusting the motion platform; S4, the cutting seam of the steel roller to be cut is micro-cut by the laser; S5, after the cut steel roller is moved out of the roller constraint module, it is kept in the specified position.

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