A milling device for carbon steel stainless steel clad plate

Abstract

This invention relates to the technical field of milling apparatus for stainless steel composite plates, specifically disclosing a milling apparatus for carbon steel-stainless steel composite plates. The apparatus includes a base, a power distribution box mounted on the base, a moving component in the middle of the base, and a first support column and a second support column on opposite sides inside the base. An X-axis moving component, a Y-axis moving component, and a Z-axis moving component are mounted on the first and second support columns, respectively. A shock-absorbing component is mounted on the Z-axis moving component, and a cooling component is mounted on the X-axis moving component. Each moving component includes a support plate located within the base, a first motor located at one end of the base mounted on the support plate, and a worktable mounted on a first lead screw and a first slide rail. A workpiece is mounted on the worktable. This milling apparatus has a simple overall structure, and the design of the shock-absorbing and cooling components helps reduce tool vibration and wear, improving workpiece processing quality and efficiency.

Description

Technical Field

[0001] This invention relates to the technical field of milling apparatus for stainless steel composite plates, and in particular to a milling apparatus for carbon steel-stainless steel composite plates. Background Technology

[0002] A milling machine is a mechanical device used to perform milling operations, capable of cutting a workpiece using a rotating milling cutter. Milling is one of the most common cutting methods used to remove excess material from metal or other materials to obtain the desired shape, size, and surface quality. Milling machines typically include a series of mechanical systems, tools, and accessories to ensure a precise and efficient machining process.

[0003] Milling carbon steel and stainless steel composite plates is a process involving two different metal materials. Carbon steel and stainless steel each have different physical and chemical properties, so their differences must be considered during milling to ensure machining quality and tool life. Carbon steel has good machinability and low hardness, making it generally easier to cut. However, it generates a lot of heat during machining, thus requiring proper cooling and lubrication. Stainless steel is generally harder, wear-resistant, and easily generates cutting heat. Its high strength places more stringent requirements on the cutting tools used when machining stainless steel.

[0004] Existing milling equipment for machining carbon steel and stainless steel composite plates suffers from the following technical problems: 1. Tool vibration: During milling, especially at high speeds or during prolonged deep cuts, the machine tool may be affected by vibration and resonance, causing the machining tool to vibrate, thus affecting machining accuracy and workpiece quality, and potentially leading to tool damage or surface quality issues. 2. Tool cooling: The function of coolant is to reduce tool temperature, minimize cutting force fluctuations, and prevent workpiece overheating. However, uneven coolant supply, unstable flow, and poor cooling effect can all lead to thermal stress and premature tool wear during machining.

[0005] Traditional coolants are mostly oil-based or water-based, the latter of which may cause environmental pollution, especially as wastewater treatment becomes increasingly serious, putting great pressure on industries with high environmental protection requirements. Summary of the Invention

[0006] (a) Technical problems to be solved

[0007] The problem to be solved by the present invention is to provide a milling device for carbon steel and stainless steel composite plates to overcome the defects in the prior art.

[0008] (II) Technical Solution

[0009] To solve the aforementioned technical problem, the present invention provides a milling device for carbon steel and stainless steel composite plates, comprising a base, an electrical distribution box on the base, a moving component in the middle of the base, a first support column and a second support column on the two sides inside the base, an X-axis moving component, a Y-axis moving component and a Z-axis moving component on the first support column and the second support column respectively, an anti-vibration component on the Z-axis moving component, and a cooling component on the X-axis moving component;

[0010] The moving component includes a support plate located inside the base, a first motor located at one end of the base is provided on the support plate, the first motor is connected to a first lead screw, first slide rails located on both sides of the support plate are provided on both sides of the first lead screw, a worktable is provided on the first lead screw and the first slide rails, and a workpiece is provided on the worktable.

[0011] The X-axis moving assembly includes a support frame located between the first support column and the second support column. A second motor is provided on one side of the support frame. The second motor is connected to a second lead screw, and a slider is provided on the second lead screw.

[0012] The Y-axis moving assembly includes a second slide rail located on the first support column and a third slide rail located on the second support column, and also includes a piston rod connected to the support frame, with one end of the piston rod connected to a cylinder;

[0013] The Z-axis moving assembly includes a third motor located above one side of the X-axis moving assembly. One end of the third motor is connected to a drive shaft, and one end of the drive shaft is connected to a milling cutter.

[0014] The shock-absorbing component includes a first connector connected to the drive shaft, telescopic rods on both sides of the first connector, buffer springs on the telescopic rods, and a second connector connected to the drive shaft below the buffer springs.

[0015] The cooling assembly includes a magnetic base located on the support frame, a compressor is mounted on the magnetic base, a switching valve is connected to one side of the compressor, an air chamber is provided on the compressor, a universal conduit is connected to one end of the air chamber, a nozzle is provided at one end of the universal conduit, and an air jet hole is provided on the nozzle.

[0016] Furthermore, the first slide rail of the moving component is located on both sides of the first lead screw, and the first slide rail is arranged symmetrically with respect to the first lead screw.

[0017] Furthermore, the horizontal cross-section of the worktable is parallel to the horizontal cross-section of the first slide rail.

[0018] Furthermore, the first support column and the second support column are symmetrically arranged relative to the worktable, and the second slide rail and the third slide rail are symmetrically arranged relative to the worktable.

[0019] Furthermore, the axis of the piston rod is on the same straight line as the axis of the cylinder, and the axis of the piston rod is perpendicular to the axis of the second lead screw.

[0020] Furthermore, the axis of the drive shaft is perpendicular to the axis of the second lead screw, and the telescopic rod is arranged symmetrically relative to the drive shaft.

[0021] Furthermore, the slider is located between the first connector and the second connector, and the slider is above the milling cutter.

[0022] Furthermore, the first connector is connected to the drive shaft by connecting bolts, and multiple connecting bolts are provided, which are arranged symmetrically relative to the drive shaft.

[0023] Furthermore, the magnetic base of the cooling assembly is coaxially arranged with the compressor, and the axis of the compressor is perpendicular to the axis of the air chamber.

[0024] Furthermore, the universal conduit is located between the air chamber and the nozzle, and the nozzle has multiple air jet holes.

[0025] (III) Beneficial Effects

[0026] Compared with the prior art, the milling device for carbon steel-stainless steel composite plates provided by this invention has the following advantages:

[0027] 1. The present invention provides a milling device for carbon steel and stainless steel composite plates. The milling device has a power distribution box on its base, a moving component in the middle of the base, and a first support column and a second support column on both sides inside the base. An X-axis moving component, a Y-axis moving component, and a Z-axis moving component are respectively mounted on the first and second support columns. A shock-absorbing component is mounted on the Z-axis moving component, and a cooling component is mounted on the X-axis moving component. The moving component of the milling device includes a support plate located inside the base. A first motor is mounted on the support plate at one end of the base. The first motor is connected to a first lead screw. First slide rails are located on both sides of the first lead screw on both sides of the support plate. A worktable is mounted on the first lead screw and the first slide rails, and a workpiece is mounted on the worktable. The overall structure of this milling device for carbon steel and stainless steel composite plates is simple, easy to install and operate, and convenient for workers to perform milling and maintenance.

[0028] 2. The present invention provides a milling device for carbon steel and stainless steel composite plates. The milling device is designed with X-axis, Y-axis, and Z-axis moving components. After rough machining, it performs finish machining to achieve the required dimensions and surface quality. A cylinder drives a piston rod to move, pushing a support frame to move on the Y-axis. In addition, a second lead screw rotates under the drive of a second motor, driving a slider on the second lead screw to move. Since the transmission shaft is mounted on the slider, the movement of the slider drives the transmission shaft above the milling cutter to move horizontally in the X-axis direction. Combined with the vertical movement of the Z-axis moving component, the milling cutter moves on the X, Y, and Z axes according to the size requirements of the composite plate workpiece, thereby obtaining a workpiece that better meets the size requirements, improving the machining accuracy of the milling cutter, and increasing the machining efficiency of the workpiece.

[0029] 3. The present invention provides a milling device for carbon steel and stainless steel composite plates. The milling device is designed with a shock-absorbing component, which includes a first connecting member connected to a drive shaft. Telescopic rods are provided on both sides of the first connecting member, and buffer springs are provided on the telescopic rods. A second connecting member is provided below the buffer springs. Since vibration of the milling device will occur during the milling process, especially during long-term milling, the shock-absorbing component will compress the telescopic rods with the external force generated by the vibration. The axial extension and contraction of the telescopic rods will compress the buffer springs inside, causing the buffer springs to deform and absorb the vibration, thereby reducing the impact of vibration on the milling tool and allowing the milling tool to process the workpiece more smoothly, thus obtaining a higher quality workpiece.

[0030] 4. The present invention provides a milling device for carbon steel and stainless steel composite plates. The cooling component of the milling device includes a magnetic base located on a support frame, a compressor mounted on the magnetic base, a switching valve connected to one side of the compressor, an air chamber on the compressor, a universal guide tube connected to one end of the air chamber, a nozzle with an air jet hole at one end of the universal guide tube, and during the milling process, as the milling tool is used for a long time, the cutting temperature gradually increases. Excessive temperature can cause the workpiece surface to harden, increase tool wear, and may affect machining accuracy. At this time, the switching valve of the cooling component opens, allowing air to enter. The compressor compresses the air and expands. When the gas expands, it absorbs heat from the surrounding environment. The expanded gas enters the air chamber and flows into the universal guide tube connected to the air chamber, and is ejected through the air jet hole on the nozzle at one end of the universal guide tube. Since the temperature of the ejected gas can be reduced to a very low level, the milling tool and the workpiece are cooled, preventing the workpiece surface from hardening due to high temperature, reducing tool wear, and improving the machining accuracy of the workpiece. Attached Figure Description

[0031] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0032] Figure 1 This is a first perspective view of a milling device for carbon steel and stainless steel composite plates according to the present invention.

[0033] Figure 2 This is a second perspective view of a milling device for carbon steel and stainless steel composite plates according to the present invention.

[0034] Figure 3 This is a third perspective view of a milling apparatus for carbon steel and stainless steel composite plates according to the present invention.

[0035] Figure 4 This is a top view of a milling apparatus for carbon steel and stainless steel composite plates according to the present invention.

[0036] Figure 5 This is a structural diagram of the X-axis moving component of a milling device for carbon steel and stainless steel composite plates according to the present invention.

[0037] Figure 6 This is a structural diagram of the Z-axis movement component of a milling device for carbon steel and stainless steel composite plates according to the present invention.

[0038] Figure 7 This is a structural diagram of the Y-axis moving component of a milling device for carbon steel and stainless steel composite plates according to the present invention.

[0039] Figure 8 This is a first perspective view of the Z-axis moving assembly structure of a milling device for carbon steel and stainless steel composite plates according to the present invention.

[0040] Figure 9 This is a first perspective view of the Z-axis moving assembly structure of a milling device for carbon steel and stainless steel composite plates according to the present invention.

[0041] Figure 10 This is a structural diagram of the cooling assembly of a milling device for carbon steel and stainless steel composite plates according to the present invention.

[0042] Figure 11 This is a structural diagram of the nozzle of a milling device for carbon steel and stainless steel composite plates according to the present invention.

[0043] The component names corresponding to the various reference numerals in the figure are as follows: 1. Base; 2. First support column; 3. Second support column; 4. Distribution box; 5. Moving assembly; 501. First motor; 502. First lead screw; 503. First slide rail; 504. Worktable; 505. Support plate; 6. Workpiece; 7. X-axis moving assembly; 701. Second motor; 702. Second lead screw; 703. Support frame; 704. Slider; 8. Y-axis moving assembly; 801. Second slide rail; 802. Third slide rail; 803. Pneumatic... 804. Cylinder; 9. Piston rod; 10. Z-axis moving assembly; 11. Third motor; 12. Drive shaft; 13. Milling cutter; 14. Anti-vibration assembly; 15. First connecting piece; 16. Connecting bolt; 17. Telescopic rod; 18. Buffer spring; 19. Second connecting piece; 10. Cooling assembly; 12. Magnetic base; 13. Compressor; 14. Switch valve; 15. Air chamber; 16. Universal duct; 17. Nozzle; 18. Air jet hole. Detailed Implementation

[0044] The present application will now be described in detail with reference to the accompanying drawings and specific embodiments.

[0045] The following specific examples illustrate the implementation of this application. Those skilled in the art can easily understand other advantages and effects of this application from the content disclosed in this specification. Obviously, the described embodiments are only a part of the embodiments of this application, and not all of them. This application can also be implemented or applied through other different specific embodiments, and the details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of this application. It should be noted that, in the absence of conflict, the following embodiments and features in the embodiments can be combined with each other. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0046] It should be noted that various aspects of embodiments within the scope of the appended claims are described below. It will be apparent that the aspects described herein can be embodied in a wide variety of forms, and any particular structure and / or function described herein is merely illustrative. Based on this application, those skilled in the art will understand that one aspect described herein can be implemented independently of any other aspect, and two or more of these aspects can be combined in various ways. For example, any number and aspects set forth herein can be used to implement the device and / or practice the method. Additionally, this device and / or method can be implemented using structures and / or functionalities other than one or more of the aspects set forth herein.

[0047] It should also be noted that the illustrations provided in the following embodiments are only schematic representations of the basic concept of this application. The drawings only show the components related to this application and are not drawn according to the actual number, shape and size of the components in the actual implementation. In the actual implementation, the form, quantity and proportion of each component can be arbitrarily changed, and the layout of the components may also be more complex.

[0048] Additionally, specific details are provided in the following description to facilitate a thorough understanding of the examples. However, those skilled in the art will understand that practice can be carried out without these specific details.

[0049] The technical solutions provided by the various embodiments of this application are described below with reference to the accompanying drawings.

[0050] See Figures 1 to 11 The present invention provides a milling device for carbon steel and stainless steel composite plates, including a base 1, an electrical distribution box 4 on the base 1, a moving component 5 in the middle of the base 1, a first support column 2 and a second support column 3 on the two sides inside the base 1 respectively, an X-axis moving component 7, a Y-axis moving component 8 and a Z-axis moving component 9 on the first support column 2 and the second support column 3 respectively, an anti-vibration component 11 on the Z-axis moving component 9, and a cooling component 12 on the X-axis moving component 7;

[0051] The moving component 5 includes a support plate 505 located inside the base 1. A first motor 501 located at one end of the base 1 is provided on the support plate 505. The first motor 501 is connected to a first lead screw 502. First slide rails 503 located on both sides of the support plate 505 are provided on both sides of the first lead screw 502. A worktable 504 is provided on the first lead screw 502 and the first slide rails 503. A workpiece 6 is provided on the worktable 504.

[0052] The X-axis moving assembly 7 includes a support frame 703 located between the first support column 2 and the second support column 3. A second motor 701 is provided on one side of the support frame 703. The second motor 701 is connected to a second lead screw 702. A slider 704 is provided on the second lead screw 702.

[0053] Y-axis moving assembly 8 includes a second slide rail 801 located on the first support column 2 and a third slide rail 802 located on the second support column 3, and also includes a piston rod 804 connected to the support frame 703, with one end of the piston rod 804 connected to a cylinder 803.

[0054] Z-axis moving assembly 9 includes a third motor 901 located above one side of X-axis moving assembly 7. One end of the third motor 901 is connected to a drive shaft 902, and one end of the drive shaft 902 is connected to a milling cutter 903.

[0055] The shock-absorbing component 11 includes a first connector 1101 connected to the drive shaft 902, telescopic rods 1103 are provided on both sides of the first connector 1101, a buffer spring 1104 is provided on the telescopic rod 1103, and a second connector 1105 connected to the drive shaft 902 is provided below the buffer spring 1104.

[0056] The cooling assembly 12 includes a magnetic base 1201 located on a support frame 703. A compressor 1202 is mounted on the magnetic base 1201. A switching valve 1203 is connected to one side of the compressor 1202. An air chamber 1204 is provided on the compressor 1202. A universal guide 1205 is connected to one end of the air chamber 1204. A nozzle 1206 is provided at one end of the universal guide 1205. An air jet hole 1207 is provided on the nozzle 1206.

[0057] See Figures 1 to 4 The first slide rail 503 of the moving component 5 is located on both sides of the first lead screw 502. The first slide rail 503 is symmetrically arranged relative to the first lead screw 502. The horizontal section of the worktable 504 is parallel to the horizontal section of the first slide rail 503.

[0058] See Figures 1 to 7 The first support column 2 and the second support column 3 are symmetrically arranged relative to the worktable 504, and the second slide rail 801 and the third slide rail 802 are symmetrically arranged relative to the worktable 504.

[0059] See Figures 1 to 8 The axis of piston rod 804 is on the same straight line as the axis of cylinder 803, and the axis of piston rod 804 is perpendicular to the axis of second lead screw 702.

[0060] See Figures 1 to 9 The axis of the drive shaft 902 is perpendicular to the axis of the second lead screw 702. The telescopic rod 1103 is symmetrically arranged relative to the drive shaft 902. The slider 704 is located between the first connecting member 1101 and the second connecting member 1105. The slider 704 is above the milling cutter 903. The first connecting member 1101 is connected to the drive shaft 902 by connecting bolts 1102. Multiple connecting bolts 1102 are provided and are symmetrically arranged relative to the drive shaft 902.

[0061] See Figures 1 to 11 The magnetic base 1201 of the cooling assembly 12 is coaxially arranged with the compressor 1202. The axis of the compressor 1202 is perpendicular to the axis of the air chamber 1204. The universal guide 1205 is located between the air chamber 1204 and the nozzle 1206. Multiple jet holes 1207 are provided on the nozzle 1206.

[0062] The working principle and specific workflow of a milling device for carbon steel-stainless steel composite plates are as follows:

[0063] According to the processing requirements of workpiece 6 of the carbon steel-stainless steel composite plate, before starting milling, check the material, thickness, surface condition, etc. of the stainless steel composite plate to ensure that the material meets the processing requirements; determine the processing path and process parameters, and formulate reasonable processing path, feed speed, cutting depth and other process parameters according to the size, shape and required processing accuracy of the stainless steel composite plate.

[0064] Based on the thickness, material, and processing method of the workpiece 6 to be processed, select a suitable milling cutter 903 and install the milling cutter 903 on the drive shaft 902. Ensure that the milling cutter 903 is securely installed and correctly set the working coordinates of the milling cutter 903. Set various parameters of the milling device according to the processing requirements, such as cutting depth, feed rate, and spindle speed, to ensure proper coordination between the milling cutter 903 and the workpiece 6 on the worktable 504.

[0065] The second motor 701, cylinder 803, and third motor 901 of the X-axis moving assembly 7, Y-axis moving assembly 8, and Z-axis moving assembly 9 of the milling device are started respectively to move the milling cutter 903 to a suitable position. The third motor 901 drives the transmission shaft 902 to rotate, and the rotation of the transmission shaft 902 causes the milling cutter 903 to move up and down in the Z-axis direction. First, roughing is performed to remove most of the excess material. During roughing, a larger cutting depth and a higher feed rate can be selected, but attention should be paid to the material differences of the stainless steel composite plate. Different metals have different cutting properties. In particular, the outer stainless steel of the composite plate is usually harder and is prone to tool wear.

[0066] After rough machining, finish machining is performed to achieve the required dimensions and surface quality. Cylinder 803 drives piston rod 804 to move, pushing support frame 703 to move on the Y-axis. At the same time, the second lead screw 702 rotates under the drive of the second motor 701, driving slider 704 on the second lead screw 702 to move. Since the transmission shaft 902 is mounted on slider 704, the movement of slider 704 drives the transmission shaft 902 above milling cutter 903 to move horizontally in the X-axis direction. Combined with the movement of Z-axis moving component 9 in the vertical direction, according to the size requirements of composite plate workpiece 6, the movement of milling cutter 903 on the X-axis, Y-axis, and Z-axis is realized to perform finish machining on workpiece 6. During finish machining, the cutting depth of the tool is small and the feed rate is low to ensure surface finish and reduce the generation of internal stress.

[0067] Because milling equipment vibrates during the milling process, especially during long-term milling operations, the base 1 of the milling equipment may be affected by vibration and resonance, causing the machining tool to vibrate, thus affecting machining accuracy and workpiece 6 quality, and potentially leading to tool damage or surface quality issues. The external force generated by the vibration compresses the telescopic rod 1103, and the axial extension and contraction of the telescopic rod 1103 compresses its internal buffer spring 1104. The buffer spring 1104 deforms and absorbs the vibration, thereby reducing the impact of vibration on the milling tool 903, allowing the milling tool 903 to machine the workpiece 6 more smoothly, thus avoiding affecting the machining quality of the workpiece 6. During the milling process, as the milling tool 903 is used for a long time, the cutting temperature gradually increases. Excessive temperature will cause the surface of the workpiece 6 to harden, increase tool wear, and may affect the machining accuracy. At this time, the switching valve 1203 of the cooling component 12 opens and air is introduced into it. The compressor 1202 compresses the air and expands it. When the gas expands, it absorbs heat from the surrounding environment. The expanded gas enters the air chamber 1204 and flows into the universal guide 1205 connected to the air chamber 1204. It is then ejected through the jet hole 1207 on the nozzle 1206 at one end of the universal guide 1205. At this time, the temperature of the ejected gas can be reduced to a very low level, thereby cooling the milling tool 903 and the workpiece 6.

[0068] After milling, remove burrs and sharp edges from workpiece 6 to avoid affecting subsequent use. After machining, perform final dimensional and surface quality inspections to ensure that it meets design requirements.

[0069] The same or similar parts between the various embodiments in this specification can be referred to mutually. Each embodiment focuses on describing the differences from other embodiments.

[0070] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A milling device for carbon steel-stainless steel composite plates, characterized in that: Includes a base (1), on which a power distribution box (4) is provided, and a moving component (5) is provided in the middle of the base (1). A first support column (2) and a second support column (3) are respectively provided on the two sides inside the base (1). An X-axis moving component (7), a Y-axis moving component (8) and a Z-axis moving component (9) are respectively provided on the first support column (2) and the second support column (3). An anti-vibration component (11) is provided on the Z-axis moving component (9), and a cooling component (12) is provided on the X-axis moving component (7). The moving component (5) includes a support plate (505) located inside the base (1). A first motor (501) located at one end of the base (1) is provided on the support plate (505). The first motor (501) is connected to a first lead screw (502). First slide rails (503) located on both sides of the first lead screw (502) are provided on both sides of the support plate (505). A worktable (504) is provided on the first lead screw (502) and the first slide rails (503). A workpiece (6) is provided on the worktable (504). The X-axis moving assembly (7) includes a support frame (703) located between the first support column (2) and the second support column (3). A second motor (701) is provided on one side of the support frame (703). The second motor (701) is connected to a second lead screw (702). A slider (704) is provided on the second lead screw (702). The Y-axis moving assembly (8) includes a second slide rail (801) located on the first support column (2) and a third slide rail (802) located on the second support column (3), and also includes a piston rod (804) connected to the support frame (703), one end of the piston rod (804) being connected to a cylinder (803). The Z-axis moving assembly (9) includes a third motor (901) located above one side of the X-axis moving assembly (7). One end of the third motor (901) is connected to a drive shaft (902), and one end of the drive shaft (902) is connected to a milling cutter (903). The shock-absorbing component (11) includes a first connector (1101) connected to the drive shaft (902), telescopic rods (1103) are provided on both sides of the first connector (1101), a buffer spring (1104) is provided on the telescopic rod (1103), and a second connector (1105) connected to the drive shaft (902) is provided below the buffer spring (1104). The cooling assembly (12) includes a magnetic base (1201) located on the support frame (703), a compressor (1202) is provided on the magnetic base (1201), a switch valve (1203) is connected to one side of the compressor (1202), an air chamber (1204) is provided on the compressor (1202), a universal guide (1205) is connected to one end of the air chamber (1204), a nozzle (1206) is provided at one end of the universal guide (1205), and an air jet hole (1207) is provided on the nozzle (1206).

2. The milling device for carbon steel-stainless steel composite plates according to claim 1, characterized in that: The first slide rail (503) of the moving component (5) is located on both sides of the first lead screw (502), and the first slide rail (503) is symmetrically arranged relative to the first lead screw (502).

3. The milling device for carbon steel-stainless steel composite plates according to claim 1, characterized in that: The horizontal cross section of the worktable (504) is parallel to the horizontal cross section of the first slide rail (502).

4. A milling device for carbon steel-stainless steel composite plates according to claim 1, characterized in that: The first support column (2) and the second support column (3) are symmetrically arranged relative to the worktable (504), and the second slide rail (801) and the third slide rail (802) are symmetrically arranged relative to the worktable (504).

5. A milling device for carbon steel-stainless steel composite plates according to claim 1, characterized in that: The axis of the piston rod (804) is on the same straight line as the axis of the cylinder (803), and the axis of the piston rod (804) is perpendicular to the axis of the second lead screw (702).

6. A milling device for carbon steel-stainless steel composite plates according to claim 1, characterized in that: The axis of the drive shaft (902) is perpendicular to the axis of the second lead screw (702), and the telescopic rod (1103) is arranged symmetrically relative to the drive shaft (902).

7. A milling device for carbon steel-stainless steel composite plates according to claim 1, characterized in that: The slider (704) is located between the first connector (1101) and the second connector (1105), and the slider (704) is above the milling cutter (903).

8. A milling device for carbon steel-stainless steel composite plates according to claim 1, characterized in that: The first connector (1101) is connected to the drive shaft (902) by connecting bolts (1102). Multiple connecting bolts (1102) are provided and are arranged symmetrically relative to the drive shaft (902).

9. A milling device for carbon steel-stainless steel composite plates according to claim 1, characterized in that: The magnetic base (1201) of the cooling assembly (12) is coaxially arranged with the compressor (1202), and the axis of the compressor (1202) is perpendicular to the axis of the air chamber (1204).

10. A milling device for carbon steel-stainless steel composite plates according to claim 1, characterized in that: The universal conduit (1205) is located between the air chamber (1204) and the nozzle (1206), and the nozzle (1206) has multiple air jet holes (1207).

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