Air floatation cover plate structure for cutting bed and cutting bed

Abstract

The invention discloses an air flotation cover plate structure for a cutting bed and the cutting bed, and relates to the technical field of cutting beds, in order to solve the problem that an existing cutting bed is difficult to convey cloth, the air flotation cover plate structure comprises a cover plate body, the cover plate body is provided with a front face for bearing the cloth and a back face in butt joint with an air supply system, and the back face is provided with at least one flow guide groove; each diversion trench is independently connected with an air supply branch, and an air outlet group penetrating to the front surface is arranged in each diversion trench and is used for uniformly guiding airflow to the front surface so as to form an air floating isolation layer between the fabric and the cover plate body, so that the friction force between the fabric and the cover plate body can be reduced, the fabric is stably conveyed, and the problems of stacking, staggering or blocking are avoided.

Description

Technical Field

[0001] The present invention relates to the technical field of cutting machines, and more particularly to an air-floating cover plate structure for a cutting machine and the cutting machine. Background Art

[0002] In the existing cutting process, after the cutting process is completed, the fabric must be transported from the bristle bed cutting area to the receiving platform for manual sorting and collection. During this transportation process, the fabric passes through the bristle bed, the cover plate body, and finally reaches the receiving platform. However, because the cover plate body itself lacks conveying power and has surface friction, the fabric is blocked here, easily becoming piled up and disorganized. This in turn affects the efficiency of subsequent processes, increases the rate of unqualified cutting, and significantly increases the workload of manual intervention.

[0003] To address this issue, a window-passing device connecting a cloth spreading machine and a cutting table has been proposed. This device comprises a support member connected to the cutting table, and a support plate positioned between the cloth spreading machine and the cutting table to support the cloth. The support plate has air outlets, forming a gas channel between the support plate and the support member. An external air source is connected to the air inlet holes in the support member through an air inlet pipe. The air is ejected through the channel and out of the air outlet holes, creating an air flow that lifts the cloth, reducing friction and aiding conveyance.

[0004] However, this solution has significant practical drawbacks: the air outlet is directly located on the support plate, and the air passage relies on a single point of air intake, resulting in uneven airflow distribution. Because air pressure decays along the conveyor belt, air flow is significantly insufficient in areas away from the air inlet. This results in ineffective lifting of certain areas of the fabric, uneven air support, and the conveying process is still prone to problems such as jamming and stacking.

[0005] Therefore, how to solve the problem of difficulty in conveying cloth on the existing cutting table is an urgent problem to be solved by those skilled in the art. Summary of the Invention

[0006] In view of this, the purpose of the present invention is to provide an air-floating cover plate structure for a cutting table, so that the cover plate integrates the air-floating function. By adding a guide groove, the air flow is first rectified and stabilized by the guide groove, and then evenly ejected from the through-hole group to achieve full-width equal-pressure output, thereby reducing the friction between the fabric and the cover plate body and ensuring stable fabric transportation.

[0007] Another object of the present invention is to provide a cutting table including the above-mentioned air-floating cover plate structure for the cutting table, so as to improve the smoothness and efficiency of transportation, thereby improving the cutting quality.

[0008] In order to achieve the above object, the present invention provides the following technical solutions:

[0009] A flotation cover plate structure for a cutting table comprises: a cover plate body, the cover plate body having a front side for bearing fabric and a back side for docking with an air supply system, at least one guide groove being provided on the back side, each guide groove being independently connected to an air supply branch, and a group of air outlet holes being provided in the guide groove and extending to the front side for uniformly directing airflow to the front side to form an air flotation isolation layer between the fabric and the cover plate body.

[0010] Preferably, the plurality of guide grooves are arranged at equal intervals along the extension direction of the cover plate body, and the centers of the plurality of guide grooves are located on the same line.

[0011] Preferably, any air outlet hole group includes at least two circular holes, and the at least two circular holes are equidistantly arranged along the extension direction of the guide groove and / or the at least two circular holes are equidistantly arranged along the extension direction perpendicular to the guide groove.

[0012] Preferably, the central axis of the circular hole is perpendicular to the front and back surfaces of the cover body.

[0013] Preferably, the corners of the guide groove are provided with arc transitions.

[0014] Preferably, the depth of the guide groove is 30-60% of the thickness of the cover plate body.

[0015] Preferably, a sealing gasket is provided on the back side of the cover body.

[0016] Preferably, the cover plate body is provided with a threaded connection hole, and the cover plate body is detachably mounted on the cutting bed through bolts and the threaded connection hole.

[0017] Preferably, the cover body is formed by integral milling of aluminum alloy.

[0018] A cutting machine comprises a cutting machine body, a bristle bed arranged on the bed body, a material receiving platform and an air-floating cover plate structure as described above, wherein the air-floating cover plate structure is arranged between the bristle bed and the material receiving platform.

[0019] The air-floating cover plate structure for the cutting table provided by the present invention includes a cover plate body, the cover plate body has a front side for bearing the fabric and a back side for docking with the air supply system, at least one guide groove is provided on the back side, each guide groove is independently connected to the air supply branch, and an air outlet hole group is provided in the guide groove which runs through to the front side for evenly guiding the air flow to the front side to form an air-floating isolation layer between the fabric and the cover plate body, each guide groove is independently connected to the air supply branch, the air flow is first rectified and stabilized by the guide groove, and then uniformly ejected by the through-hole group to achieve full-width equal-pressure output, and completely solve the problem of "weak at the far end and strong at the near end", and a continuous and uniform air-floating isolation layer is formed between the fabric and the cover plate body through multiple parallel guide grooves and through-hole groups, so that the fabric is close to a suspended state, thereby reducing the friction between the fabric and the cover plate body, and the fabric is stably transported, and there is no longer any problem of stacking, staggering or jamming. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are merely embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying any creative work.

[0021] Figure 1 This is a schematic structural diagram of the cutting table provided by the present invention;

[0022] Figure 2 This is a structural schematic diagram of the air-floating cover plate structure for a cutting table provided by the present invention;

[0023] Figure 3 This is an enlarged schematic diagram of the guide trough provided by the present invention;

[0024] Figure 4 This is a partial enlarged view of the cover body provided by the present invention.

[0025] Reference numerals:

[0026] 10-bed; 20-bristle bed; 30-material collection table; 40-fabric;

[0027] 1-cover plate body; 2-guide groove; 3-air outlet group. DETAILED DESCRIPTION

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0029] In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "connect," "fixed," etc. should be understood broadly. For example, they may refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediary; or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on specific circumstances.

[0030] It should be noted that the directional words such as "upper" and "lower" below are defined based on the drawings in the specification.

[0031] The core of this invention is to provide an air-floating cover plate structure for a cutting table, integrating air-floating functionality into the cover plate. By adding a guide groove 2, the airflow is first rectified and stabilized by the guide groove 2 before being evenly ejected through the through-hole group 3, achieving full-width constant-pressure output. This reduces friction between the fabric 40 and the cover plate body 1, ensuring stable conveyance of the fabric 40. Another core of this invention is to provide a cutting table including this air-floating cover plate structure, which improves conveyance stability and efficiency, thereby enhancing cutting quality.

[0032] Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , an air-floating cover plate structure for a cutting table includes a cover plate body 1.

[0033] Specifically, the cover body 1 has a front side for supporting the fabric 40 and a back side for docking with the air supply system. At least one guide groove 2 is provided on the back side, and each guide groove 2 is independently connected to the air supply branch. An air outlet group 3 is provided in the guide groove 2 and extends to the front side, which is used to evenly guide the airflow to the front side to form an air floating isolation layer between the fabric 40 and the cover body 1. Each guide groove 2 is independently connected to the air supply branch. The airflow is first rectified and stabilized by the guide groove 2, and then evenly ejected by the air outlet group 3 to achieve full-width equal pressure output, completely solving the problem of "weak at the far end and strong at the near end". Through multiple parallel guide grooves 2 and the air outlet group 3, a continuous and uniform air floating isolation layer is formed between the fabric 40 and the cover body 1, so that the fabric 40 is close to a suspended state, thereby reducing the friction between the fabric 40 and the cover body 1, and making the fabric 40 stably transported, and no longer having problems of stacking, staggering or jamming.

[0034] The cover plate body 1 is fixedly connected to the frame of the cutting table, and one side of the cover plate body 1 has comb teeth that are inclined downward toward the bristle brick strips.

[0035] The air-floating cover structure for a cutting table, configured in the aforementioned manner, ensures uniform and stable airflow at every outlet on the cover body 1 through the careful arrangement of multiple, independently supplied air guide grooves 2. This structure integrates an air-floating function within the cover body 1, significantly reducing frictional resistance of the fabric 40 as it passes through the cover body 1. Furthermore, it effectively prevents vacuum suction, which can cause the fabric 40 to cling to the cover and become difficult to move, effectively eliminating the vacuum suction force. This design not only optimizes the conveying process of the fabric 40 but also improves the precision and efficiency of the cutting operation, significantly enhancing the quality of the final product and the smoothness of the production process.

[0036] In the above embodiment, the plurality of guide grooves 2 are arranged at equal intervals along the extension direction of the cover plate body 1 , and the centers of the plurality of guide grooves 2 are located on the same line.

[0037] It should be noted that the airflow path length and internal resistance of each guide groove 2 are completely consistent, ensuring that the air pressure and air volume are completely balanced across the entire width. The fabric 40 receives the same levitation force whether located at the center or edge of the cover, eliminating the risk of local collapse or stacking, and significantly improving conveying stability. The colinear layout of multiple guide grooves 2 also allows for a simple and symmetrical arrangement of the air supply ducts, reducing machining errors and assembly difficulty, ensuring uniform force on the cover body 1 and minimizing deformation, further enhancing long-term operational reliability.

[0038] In this embodiment, the guide groove 2 is set to be rectangular. In practical applications, there is no limitation on the shape, quantity, specifications, etc. of the guide groove 2.

[0039] In the above case, any air outlet hole group 3 includes at least two circular holes, and the at least two circular holes are equidistantly arranged along the extension direction of the guide groove 2 and / or the at least two circular holes are equidistantly arranged along the extension direction perpendicular to the guide groove 2 .

[0040] It can be understood that any air outlet group 3 includes at least two circular holes, and at least two circular holes are equidistantly arranged along the extension direction of the guide groove 2. At least two circular holes equidistantly arranged along the extension direction of the guide groove 2 form a uniformly distributed "linear air belt" in the groove. The airflow is ejected from each circular hole at the same pressure and the same spacing, which can completely offset the air pressure attenuation along the way, so that the thickness of the air cushion in the area covered by the entire guide groove 2 remains consistent; the fabric 40 is always subjected to a continuous and stable suspension force when moving, avoiding local collapse or jamming caused by "high front section and low back section", making the conveying process smoother, and significantly reducing the risk of stacking and misalignment. For example, three rectangular guide grooves 2 are processed on the back of the cover body 1, with a groove depth of 6 mm and a groove width of 12 mm. They are arranged in parallel along the length direction of the cover body 1, and the center distance between the grooves is 25 mm. Each guide groove 2 is laser-drilled with a row of three air holes 3 at its bottom, each row containing three holes with a diameter of 0.8 mm. The center-to-center spacing is 10 mm (equally spaced along the extension of the guide groove 2), and the entire row of holes coincides with the groove centerline. During assembly, each guide groove 2 is independently connected to a single, stabilized air source via a quick-connect connector. During operation, compressed air first fills the guide groove 2 and then vertically ejects from each circular hole, forming a linear air cushion of equal pressure and equal spacing on the front of the cover body 1.

[0041] In one feasible embodiment, each air outlet hole group 3 includes at least two circular holes, which are equidistantly arranged along a direction perpendicular to the extension of the guide groove 2. The at least two circular holes, equidistantly arranged along the direction perpendicular to the extension of the guide groove 2, form a uniform, continuous longitudinal air cushion along the length of the cover body 1, ensuring air flotation consistency across the entire width, significantly improving conveying stability and the yield rate of finished products. For example, three rectangular guide grooves 2 are machined on the back of the cover body 1, with a groove depth of 6 mm and a groove width of 12 mm. They are arranged parallel to the length of the cover body 1, with a center-to-center distance of 25 mm. A group of air outlet holes 3 with a diameter of 0.8 mm is laser-drilled at the bottom of each guide groove 2. The holes are equidistantly spaced along the direction perpendicular to the groove length, i.e., along the groove width. There are three holes in each row, with the hole axes perpendicular to and extending through the front of the cover body 1. The three guide grooves 2 are connected to three independent, regulated air sources via quick-connect connectors. During operation, the compressed air first enters each guide groove 2 and then is ejected synchronously through the vertically arranged circular holes, forming a continuous linear air belt on the front of the cover plate.

[0042] In a feasible embodiment, any air outlet group 3 includes at least two circular holes, at least two of which are equidistantly arranged along the extension direction of the guide groove 2, and at least two of which are equidistantly arranged along the extension direction perpendicular to the guide groove 2. By arranging the circular holes equidistantly in the extension direction of the guide groove 2, a uniform "linear" air belt can be established along the length of the groove, eliminating the lack of far-end airflow caused by air pressure attenuation; by arranging the circular holes equidistantly in the direction perpendicular to the guide groove 2, multiple parallel "belt-shaped" air belts are formed in the horizontal direction. The two arrangement methods are used alone or in combination to ensure that the air-floating isolation layer maintains a consistent thickness in both the longitudinal and transverse directions, and any area of ​​the fabric 40 is evenly supported, completely avoiding local sinking, wrinkles or stacking, and significantly improving the conveying smoothness and the qualified rate of finished products.

[0043] Furthermore, the air outlet holes adopt a circular design to ensure the symmetry and uniformity of the airflow, reducing turbulence and noise during airflow. The air outlet holes are arranged equidistantly along the extension direction of the guide groove 2 to ensure uniform distribution of airflow across the entire width of the cover. At the same time, the air outlet holes are also arranged equidistantly along the extension direction perpendicular to the guide groove 2 to form a grid-like airflow distribution to enhance the uniformity and stability of the flotation effect. The equidistant arrangement of the air outlet holes ensures uniform distribution of airflow across the entire surface of the cover, avoiding the problem of insufficient or excessive local airflow, thereby providing a more stable and reliable flotation effect.

[0044] Furthermore, the central axis of the circular hole is perpendicular to the front and back surfaces of the cover body 1 .

[0045] It should be noted that vertical through-holes allow airflow to be ejected directly in a normal direction, minimizing the airflow path and pressure drop. This maximizes vertical lift at constant wind pressure, ensuring a more stable suspension height for the fabric 40. The vertical jet direction is perpendicular to the cover plane, eliminating lateral thrust from the oblique holes, reducing sideways slippage or deviation of the fabric 40, and improving cutting alignment accuracy. Furthermore, processing requires only a single vertical drilling operation, with a fixed tool angle, resulting in a simple process, high hole precision, and reduced mass production costs.

[0046] In one feasible embodiment, the air outlet is an inclined hole that directs airflow toward the cutting bed. This upward, oblique airflow propels the fabric, facilitating its transport. The centerline of the air outlet forms a 60° angle with the surface of the cover body 1. The airflow is arranged at an acute angle to the fabric's forward direction.

[0047] In the above embodiment, the corners of the guide groove 2 are provided with arc transitions.

[0048] It is understood that providing a circular arc transition at the corners of the guide groove 2 can significantly reduce the eddies and local turbulence formed at right or acute angles, thereby reducing pressure loss and aerodynamic noise. The circular arc surface allows the compressed air to flow along a smooth curved surface, resulting in a more uniform flow velocity distribution, preventing dead spots at corners, and ensuring consistent pressure across each air outlet group 3, thereby improving the uniformity of air flotation across the entire fabric 40. Furthermore, the circular arc transition reduces the impact and wear of high-speed air on the groove walls, extending the service life of the cover body 1, and reducing the risk of damage to the sealing gasket caused by machining burrs, further improving system reliability and maintenance cycles.

[0049] Based on the above embodiment, the depth of the guide groove 2 is 30-60% of the thickness of the cover plate body 1 .

[0050] It should be noted that the depth of the guide groove 2 is controlled within 30–60% of the thickness of the cover plate body 1. This, on the one hand, creates a sufficient gas buffer chamber within the groove to ensure airflow rectification and pressure equalization, allowing each outlet group 3 to achieve stable and consistent air pressure. On the other hand, it still retains 40–70% of the physical thickness, ensuring that the overall rigidity of the cover plate body 1 does not deform, allowing it to withstand the vacuum adsorption and mechanical vibration of the cutting table for a long time. This depth range avoids flow bottlenecks caused by excessive shallowness while preventing structural strength from being weakened by excessive depth, achieving a balance between lightness, high rigidity, and efficient pressure equalization. However, in actual applications, there is no limit on the depth of the guide groove 2 and it can be adjusted according to actual conditions.

[0051] In the above embodiment, a sealing gasket is provided on the back side of the cover body 1 .

[0052] As you can understand, a sealing gasket placed on the back of the cover plate body 1 completely seals the gap between the guide trough 2 and the cover plate of the bed 10, preventing compressed air from leaking out of undesigned areas and ensuring stable air pressure within the guide trough 2. It also prevents external fibers and dust from entering the trough, preventing clogging of the holes and maintaining long-term uniform air flow. The sealing gasket also absorbs assembly tolerances and vibration shock between the cover plate and bed 10, reducing noise and extending the life of the bolts, achieving maintenance-free, highly reliable air flotation conveying.

[0053] The sealing gasket is provided with a through hole for the air intake pipe to pass through, and the air intake pipe and the through hole are sealed by sealant.

[0054] As a preferred embodiment, the cover body 1 is provided with a threaded connection hole, and the cover body 1 is detachably mounted on the bed 10 of the cutting machine through bolts and the threaded connection hole.

[0055] It should be noted that when installing the alternating body, it is secured to the cover plate of the bed 10 via bolts engaging threaded holes. The cover plate also has corresponding threaded holes. Furthermore, the cover plate 1 also has multiple holes for connecting the comb teeth. These holes are evenly distributed along the length of the cover plate 1, with threaded holes and connecting holes located on either side of the cover plate 1. Specifically, there are two threaded holes located at either end of one side of the cover plate 1, and multiple connecting holes located along the entire length of the other side of the cover plate 1.

[0056] In the above case, the cover body 1 is formed by integral milling of aluminum alloy.

[0057] It can be understood that the use of integrated milling molding of aluminum alloy allows the cover body 1 to complete the precise processing of the guide groove 2, the air outlet group 3, and the threaded connection hole in a single process, with a small dimensional error, which can ensure the high position accuracy of each guide groove 2 and the air outlet group 3; the overall structure has no welds and no bonding, which maintains high strength while achieving lightweight, and is convenient for quick disassembly and assembly by one person; after anodizing, the aluminum alloy surface can withstand humid and dusty environments for a long time, and the corrosion resistance life is increased by more than 3 times, reducing maintenance costs.

[0058] A cutting machine includes a bed 10, a bristle bed 20 disposed on the bed 10, a material receiving platform 30, and an air-floating cover plate structure as described above. The air-floating cover plate structure is disposed between the bristle bed 20 and the material receiving platform 30. One side of the air-floating cover plate structure has bristle brick slats that face downwardly and obliquely toward the bristle bed 20. The structures of other components of the cutting machine, other than those disclosed in the aforementioned embodiments, are described in detail in the prior art and are not further described herein.

[0059] It should be noted that the air-floating cover plate structure is located between the bristle bed 20 and the receiving platform 30. Utilizing the principle of air flotation, the fabric 40 is suspended above the cover plate during transport, reducing friction and preventing problems such as jamming, stacking, and wrinkling of the fabric 40 during transport, thereby improving transport stability and efficiency. Since the fabric 40 is transported more smoothly, cutting errors caused by unstable transport are reduced, thereby improving cutting quality and reducing defective product rates. It also reduces the need for manual intervention, reduces worker labor intensity, and improves production efficiency. The comb teeth on one side of the air-floating cover plate structure are angled downward toward the bristle brick slats of the bristle bed 20. This design helps guide the fabric 40 from the bristle bed 20 to the air-floating cover plate more smoothly, further enhancing transport stability and reducing fabric 40 offset or misalignment at the junction. Furthermore, the air-floating cover plate structure is suitable for different types of fabrics 40, whether thick denim or light silk, achieving excellent air-floating transport results. The cover plate body 1 adopts a detachable design for easy cleaning and maintenance, reducing equipment downtime.

[0060] In summary, the air-floating cover plate structure for the cutting table provided by the present invention effectively reduces the friction and damage of the fabric 40 during the transportation process by forming a uniform and continuous air-floating isolation layer between the fabric 40 and the cover plate, ensuring the flatness and integrity of the fabric 40, thereby improving the cutting quality. The design of the air-floating cover plate structure allows the fabric 40 to float above the cover plate during transportation, reducing the direct contact between the fabric 40 and the cover plate, reducing the jamming and stacking caused by the weight of the fabric 40 or uneven force, and enhancing the stability of the transportation process. Since the transportation process is smoother and more automated, the need for manual intervention is reduced, the labor intensity of workers is reduced, and at the same time, damage and rework of the fabric 40 caused by improper manual operation are reduced, thereby reducing labor costs. The efficient transportation capacity of the air-floating cover plate structure reduces the residence time of the fabric 40 between the various stations of the cutting table, speeds up the production rhythm, and improves overall production efficiency.

[0061] It should be noted that, in this specification, relational terms such as first and second are merely used to distinguish one entity from other entities, but do not necessarily require or imply any actual relationship or order between these entities.

[0062] The various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0063] The above describes in detail the air-floating cover structure for a cutting table and the cutting table provided by the present invention. This article uses specific examples to illustrate the principles and implementation methods of the present invention. The description of the above examples is only intended to facilitate understanding of the method and core concept of the present invention. It should be noted that those skilled in the art may make various improvements and modifications to the present invention without departing from the principles of the present invention, and such improvements and modifications also fall within the scope of protection of the present invention.

Claims

1. An air-floating cover plate structure for a cutting machine, characterized in that: include: A cover plate body (1), the cover plate body (1) having a front side for carrying a fabric (40) and a back side for connecting to an air supply system, the back side being provided with at least one guide groove (2), each guide groove (2) being independently connected to an air supply branch, the guide groove (2) being provided with an air outlet group (3) extending through the front side for uniformly directing airflow to the front side to form an air-floating isolation layer between the fabric (40) and the cover plate body (1).

2. The air-floating cover plate structure for a cutting machine according to claim 1, characterized in that: The plurality of guide grooves (2) are arranged at equal distances along the extension direction of the cover plate body (1), and the centers of the plurality of guide grooves (2) are located on the same line.

3. The air-floating cover plate structure for a cutting machine according to claim 2, characterized in that: Any of the air outlet hole groups (3) comprises at least two circular holes, and at least two of the circular holes are equidistantly arranged along the extension direction of the guide groove (2) and / or at least two of the circular holes are equidistantly arranged along the extension direction perpendicular to the guide groove (2).

4. The air-floating cover plate structure for a cutting machine according to claim 3, characterized in that: The central axis of the circular hole is perpendicular to the front and back surfaces of the cover plate body (1).

5. The air-floating cover plate structure for a cutting machine according to any one of claims 1 to 4, characterized in that: The corners of the guide groove (2) are provided with arc transitions.

6. The air-floating cover plate structure for a cutting machine according to claim 5, characterized in that: The depth of the guide groove (2) is 30-60% of the thickness of the cover plate body (1).

7. The air-floating cover plate structure for a cutting machine according to claim 6, characterized in that: A sealing gasket is provided on the back side of the cover plate body (1).

8. The air-floating cover plate structure for a cutting machine according to claim 7, characterized in that: The cover plate body (1) is provided with a threaded connection hole, and the cover plate body (1) is detachably mounted on the bed of the cutting machine via bolts and the threaded connection hole.

9. The air-floating cover plate structure for a cutting machine according to claim 8, characterized in that: The cover plate body (1) is formed by integral milling of aluminum alloy.

10. A cutting machine, characterized in that: The invention comprises a bed (10), a bristle bed (20) arranged on the bed (10), a material receiving platform (30), and an air-floating cover plate structure according to any one of claims 1 to 9, wherein the air-floating cover plate structure is arranged between the bristle bed (20) and the material receiving platform (30).

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