A plasma cutting machine without residual waste

Abstract

The present invention discloses a plasma cutting machine without residual waste, which comprises a feeding rack, a discharging rack, a cutting mechanism and a left and right clamping group. The feeding rack and the discharging rack are respectively connected to the cutting mechanism before and after. The feeding rack is provided with a feeding clamping group, and the feeding clamping group includes a movable seat and a feeding clamping member. The movable seat is arranged on the feeding rack, and the feeding clamping member is movably installed on the movable seat and cooperates with the profile. The cutting mechanism includes a cutting robotic arm and a frame. The cutting robotic arm is arranged on the frame, and a feeding slide seat is slidably installed on the frame. The left and right clamping group includes a left and right slide seat and a left and right clamping member. The left and right slide seat is arranged on the feeding slide seat, and the left and right clamping member is slidably installed on the left and right slide seat and cooperates with the profile. In the present invention, the profile is pushed to the frame of the cutting mechanism through the feeding clamping group, the left and right clamping group is used to connect with the profile on the feeding rack, and the feeding slide seat drives the profile to slide to the working area to realize the cutting of the head and tail of the profile, making full use of it without waste.

Description

Technical Field

[0001] The present invention relates to the technical field of profile processing equipment, and particularly relates to a plasma cutting machine without residual waste. Background Art

[0002] Profiles are objects with a certain geometric shape made of iron or steel and materials with certain strength and toughness through processes such as rolling, extrusion, and casting. Such materials have certain external dimensions, a certain cross-sectional shape, and certain mechanical and physical properties. Profiles can be used alone or further processed into other manufactured products, and are commonly used in building structures and manufacturing installations.

[0003] With the continuous increase in the cutting processing volume of profiles, the requirements for the cutting quality of products are also getting higher and higher. The length of a profile before cutting is 6 - 12 meters, and the length of the last profile after cutting is not less than 2 meters. Traditional cutting equipment is mostly used for plasma cutting machines. However, due to its limitations, it often cannot cut the last profile, resulting in the last profile not being fully utilized. Therefore, excess residual waste is generated, causing waste of resources and increasing the costs of enterprises. Therefore, it is necessary to design a plasma cutting machine without residual waste. Summary of the Invention

[0004] The purpose of the present invention is to provide a plasma cutting machine without residual waste. The profile is pushed to the frame of the cutting mechanism by the feeding and clamping group. The left and right clamping groups on the frame are connected to the profile on the feeding frame. The feeding sliding seat drives the profile to slide to the working area, realizing the cutting of the head and tail of the profile, making full use of the profile without waste.

[0005] To achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A plasma cutting machine without residual waste includes a feeding frame, a discharging frame, a cutting mechanism, and left and right clamping groups. The feeding frame and the discharging frame are respectively connected to the cutting mechanism front and back. The feeding frame is provided with a feeding and clamping group. The feeding and clamping group includes a movable seat and a feeding clamping member. The movable seat is arranged on the feeding frame, and the feeding clamping member is movably installed on the movable seat and cooperates with the profile. The cutting mechanism includes a cutting robotic arm and a frame. The cutting robotic arm is arranged on the frame. A feeding sliding seat is slidably installed on the frame. The left and right clamping groups include left and right sliding seats and left and right clamping members. The left and right sliding seats are arranged on the feeding sliding seat, and the left and right clamping members are slidably installed on the left and right sliding seats and cooperate with the profile.

[0007] Further, the feeding rack is provided with a feeding guide rail and a feeding rack gear. The movable seat includes a first movable frame, a second movable frame, a third movable frame, and a fourth movable frame. The first movable frame is slidably mounted on the feeding guide rail. The first movable frame is provided with a feeding motor and a first guide rail that cooperate with the feeding rack gear. The second movable frame is slidably mounted on the first guide rail and is provided with a second guide rail. The third movable frame is slidably mounted on the second guide rail. The fourth movable frame is fixedly connected to the third movable frame and is provided with a third guide rail for mounting a feeding clamping member and a clamping cylinder that cooperates with it.

[0008] Further, the first movable frame is provided with a first lead screw and a first motor. The second movable frame is provided with a first slider mounted on the first guide rail. The first lead screw cooperates with the first slider and is driven to rotate by the first motor. The second movable frame is provided with a second lead screw and a second motor. The third movable frame is provided with a second slider mounted on the second guide rail. The second lead screw cooperates with the second slider and is driven to rotate by the second motor.

[0009] Further, the machine frame is provided with front and rear guide rails and a front and rear rack gear. The front and rear guide rails are symmetrically arranged on both sides of the machine frame. The feeding slide seat is provided with the front and rear guide rails on both sides and a feeding motor that cooperates with the front and rear rack gear. The feeding slide seat is provided with a sliding opening. The left and right slide seat includes a left and right guide rail, a left and right cylinder, and a fixed clamping member. The left and right guide rail is arranged on the feeding slide seat. The left and right cylinder is arranged at the bottom of the feeding slide seat. The left and right clamping members are slidably mounted on the left and right guide rails and pass through the sliding opening to be mounted with the left and right cylinders. The fixed clamping member is arranged at one end of the left and right guide rails and is arranged opposite to the left and right clamping members.

[0010] Further, the cutting mechanism further includes a conveying roller group, an upper and lower clamping group for clamping profiles, and a side pressing roller group. The conveying roller group is respectively arranged at the front and rear ends of the machine frame and on both sides of the upper and lower clamping group. The upper and lower clamping group has at least two groups and is respectively arranged on the machine frame and the feeding slide seat. The side pressing roller group is arranged on the machine frame.

[0011] Further, the conveying roller group includes a roller seat, a roller shaft, and a driving chain. The roller seat is mounted on the machine frame. The roller shafts are rotatably mounted on the roller seat at equal intervals and are connected to a driving motor through the driving chain. The side pressing roller group includes a movable side roller, a fixed side roller, a sliding roller seat, and a roller seat cylinder. The movable side roller and the fixed side roller are arranged between the two roller shafts and are arranged opposite to each other. The sliding roller seat is mounted on the movable side roller and is connected to the roller seat cylinder.

[0012] Further, the upper and lower clamping group includes a mounting frame, a movable plate, a pressure roller and an upper and lower air cylinder. The mounting frame is installed on the machine frame / feeding slide and is arranged on the side of the conveying roller group. There are upper and lower guide rails on the mounting frame. The movable plate is slidably installed on the upper and lower guide rails. The pressure roller is arranged above the conveying roller group and is installed on the movable plate through a vertical seat bearing. The upper and lower air cylinder is arranged on the top of the mounting frame and is connected to the movable plate.

[0013] Further, both the feeding frame and the discharging frame include a conveying frame body, a conveying roller shaft and a conveying motor. The conveying frame body is connected to the machine frame and the conveying roller shafts are installed at equal intervals. The conveying roller shafts are installed with the conveying motor through transmission parts.

[0014] Further, the cutting robotic arm is a plasma cutting robotic arm and is installed on the machine frame through a fixing frame.

[0015] After adopting the above technical solution, compared with the background technology, the present invention has the following advantages:

[0016] 1. The present invention does not require manual pushing of profiles, has a high degree of automation. The profiles are pushed to the machine frame of the cutting mechanism by the feeding and clamping group, and the profiles on the machine frame are connected with those on the feeding frame by the left and right clamping group on the machine frame. The feeding slide drives the left and right clamping group and the profiles to slide to the working area, and the profiles are cut by the cutting robotic arm to realize the cutting of the head and tail of the profiles, making full use of them without waste.

[0017] 2. In the present invention, the first movable frame of the movable seat slides on the feeding guide rail and is matched with the feeding rack through the feeding motor. The second movable frame moves on the first movable frame, the third movable frame moves on the second movable frame, and the feeding clamping piece is movably installed on the fourth movable frame and is driven by the clamping air cylinder. The movable frames on the feeding and clamping group are adjusted according to profiles of different specifications, with high flexibility, replacing manual pushing of profiles into the cutting mechanism and improving work efficiency.

[0018] 3. The feeding slide of the present invention is slidably installed on the front and rear guide rails on the machine frame and is matched with the front and rear racks through the feeding motor. The left and right clamping group is arranged on the feeding slide and the left and right clamping pieces are pushed by the left and right air cylinders to move on the left and right guide rails. The profiles fed in by the feeding frame are clamped by the feeding slide, the left and right clamping group and the upper and lower clamping group, which are connected and matched with the feeding frame to quickly push the profiles into the cutting operation area on the machine frame.

[0019] 4. The present invention is provided with conveying roller groups on both the machine frame and the feeding slide, which are matched with the upper and lower clamping group and the side pressure roller group to maintain the stability and conveying efficiency of profile conveying. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 It is the top view of the present invention;

[0022] Figure 3 It is the side view of the present invention;

[0023] Figure 4 It is the overall structural schematic diagram of the feeding and clamping group of the present invention;

[0024] Figure 5 It is the side view of the feeding and clamping group of the present invention;

[0025] Figure 6 It is the top view of the feeding and clamping group of the present invention;

[0026] Figure 7 It is the overall structural schematic diagram of the cutting mechanism of the present invention;

[0027] Figure 8 It is the side view of the cutting mechanism of the present invention;

[0028] Figure 9 It is the front view of the cutting mechanism of the present invention;

[0029] Figure 10 It is the overall structural schematic diagram of the frame and the left and right clamping groups of the present invention;

[0030] Figure 11 It is the top view of the frame and the left and right clamping groups of the present invention;

[0031] Figure 12 It is the bottom view of the frame and the left and right clamping groups of the present invention;

[0032] Figure 13 It is the overall structural schematic diagram of the upper and lower clamping groups of the present invention;

[0033] Figure 14 It is the front view of the upper and lower clamping groups of the present invention;

[0034] Figure 15 It is the side view of the upper and lower clamping groups of the present invention.

[0035] Explanation of reference numerals:

[0036] Feeding rack.1, discharging rack.2, cutting mechanism.3, left and right clamping groups.4, feeding and clamping group.5, conveying roller group.6, upper and lower clamping groups.7, side pressing roller group.8;

[0037] Cutting robotic arm.31, frame.32, feeding slide.33, front and rear guide rails.34, front and rear racks.35, feeding motor.36, sliding opening.37, left and right slides.41, left and right clamping members.42, left and right guide rails.411, left and right cylinders.412, fixed clamping member.413;

[0038] Feeding clamping member.51, first movable frame.52, second movable frame.53, third movable frame.54, fourth movable frame.55, feeding motor.521, first guide rail.522, first lead screw.523, first motor.524, second guide rail.531, first slider.532, second lead screw.533, second motor.534, second slider.541, third guide rail.551, clamping cylinder.552;

[0039] Roller seat.61, roller shaft.62, drive chain.63, mounting bracket.71, movable plate.72, pressure roller.73, upper and lower cylinders.74, upper and lower guide rails.75, movable side roller.81, fixed side roller.82, sliding roller seat.83, roller seat cylinder.84. Specific implementation manner

[0040] In order to make the objectives, technical solutions and advantages of the present invention clearer and more understandable, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0041] It should be noted in the present invention that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the devices or elements of the present invention must have a specific orientation. Therefore, it should not be construed as a limitation to the present invention.

[0042] Embodiment

[0043] Cooperate Figures 1 to 15 As shown in the figure, the present invention discloses a plasma cutting machine without residual waste, including a feeding frame 1, a discharging frame 2, a cutting mechanism 3 and a left and right clamping group 4. The feeding frame 1 and the discharging frame 2 are respectively connected to the cutting mechanism 3 front and back. The feeding frame 1 is provided with a feeding clamping group 5. The feeding clamping group 5 includes a movable seat and a feeding clamping member 51. The movable seat is arranged on the feeding frame 1, and the feeding clamping member 51 is movably installed on the movable seat and cooperates with the profile. The cutting mechanism 3 includes a cutting robotic arm 31 and a frame 32. The cutting robotic arm 31 is arranged on the frame 32. A feeding sliding seat 33 is slidably installed on the frame 32. The left and right clamping group 4 includes a left and right sliding seat 41 and a left and right clamping member 42. The left and right sliding seat 41 is arranged on the feeding sliding seat 33, and the left and right clamping member 42 is slidably installed on the left and right sliding seat 41 and cooperates with the profile.

[0044] Both the feeding frame 1 and the discharging frame 2 include a conveying frame body, conveying roller shafts and a conveying motor. The conveying frame body is connected to the frame and is equidistantly installed with the conveying roller shafts. The conveying roller shafts are installed with the conveying motor through transmission parts.

[0045] The cutting robot arm 31 is a plasma cutting robot arm and is installed on the machine frame 32 through a fixing frame.

[0046] In this embodiment, there is no need for manual pushing of profiles, and the degree of automation is high. The feeding and clamping group 5 pushes the profiles onto the machine frame 32 of the cutting mechanism 3. The left and right clamping groups 4 on the machine frame 32 are connected to the profiles on the feeding frame 1. The feeding slide seat 33 drives the left and right clamping groups 4 and the profiles to slide to the working area, and the profiles are cut by the cutting robot arm 31, realizing the cutting of the head and tail of the profiles, making full use of them, generating no waste, and reducing the production cost of the enterprise.

[0047] Cooperate Figures 4 to 6 As shown in the figure, the feeding frame 1 is provided with a feeding guide rail and a feeding rack. The movable seat includes a first movable frame 52, a second movable frame 53, a third movable frame 54, and a fourth movable frame 55. The first movable frame 52 is slidably installed on the feeding guide rail. The first movable frame 52 is provided with a feeding motor 521 and a first guide rail 522 that cooperate with the feeding rack. The second movable frame 53 is slidably installed on the first guide rail 522 and is provided with a second guide rail 531. The third movable frame 54 is slidably installed on the second guide rail 531. The fourth movable frame 55 is fixedly connected to the third movable frame 54 and is provided with a third guide rail 551 for installing the feeding clamping member 51 and a clamping cylinder 552 that cooperates with it.

[0048] There are two first guide rails 522, second guide rails 531, and third guide rails 551, which are arranged in parallel. Among them, the first guide rail 522 is arranged horizontally, and the second guide rail 531 and the third guide rail 551 are both arranged vertically. By the movement of each movable frame on each guide rail, the feeding clamping member 51 can move up, down, left, and right to meet the requirements of profiles of different specifications, with high flexibility.

[0049] The first movable frame 52 is provided with a first lead screw 523 and a first motor 524. The second movable frame 53 is provided with a first slider 532 installed on the first guide rail 522. The first lead screw 523 cooperates with the first slider 532 and is driven to rotate by the first motor 524; the second movable frame 53 is provided with a second lead screw 533 and a second motor 534. The third movable frame 54 is provided with a second slider 541 installed on the second guide rail 531. The second lead screw 533 cooperates with the second slider 541 and is driven to rotate by the second motor 534.

[0050] The first movable frame 52 of the movable seat slides on the feeding guide rail and cooperates with the feeding rack through the feeding motor 521. The second movable frame 53 moves on the first movable frame 52, the third movable frame 54 moves on the second movable frame 53, the feeding clamping member 51 is movably installed on the fourth movable frame 55 and is driven by the clamping cylinder 552. Each movable frame on the feeding and clamping group 5 is adjusted according to profiles of different specifications, with high flexibility, replacing manual pushing of profiles into the cutting mechanism and improving work efficiency.

[0051] The feeding clamping member 51 is preferably a clamping plate with an L-shaped structure.

[0052] cooperate Figures 7 to 12 As shown, front and rear guide rails 34 and front and rear racks 35 are provided on the frame 32. There are two front and rear guide rails 34 and they are symmetrically arranged on both sides of the frame 32. The feeding slide 33 is arranged with the front and rear guide rails 34 on both sides and is provided with a feeding motor 36 that cooperates with the front and rear racks 35. The feeding slide 33 is provided with a sliding opening 37. The left and right slides 41 include left and right guide rails 411, left and right cylinders 412 and fixed clamping members 413. The left and right guide rails 411 are arranged on the feeding slide 41. The left and right cylinders 412 are arranged at the bottom of the feeding slide 41. The left and right clamping members 42 are slidably installed on the left and right guide rails 411 and pass through the sliding opening 37 to be installed with the left and right cylinders 412. The fixed clamping member 413 is arranged at one end of the left and right guide rails 411 and is arranged opposite to the left and right clamping members 42.

[0053] The cutting mechanism 3 further includes a conveying roller group 6, an upper and lower clamping group 7 for clamping profiles and a side pressing roller group 8. The conveying roller group 6 is respectively arranged at the front and rear ends of the frame 32 and on both sides of the left and right clamping group 4. The upper and lower clamping group 7 has at least two groups and is respectively arranged on the frame 32 and the feeding slide 33. The side pressing roller group 8 is arranged on the frame 32.

[0054] The conveying roller group 6 includes roller seats 61, roller shafts 62 and drive chains 63. The roller seats 61 are installed on the frame 32. The roller shafts 62 are rotatably installed on the roller seats 61 at equal intervals and are connected to a drive motor through the drive chains 63. The side pressing roller group 8 includes a movable side roller 81, a fixed side roller 82, a sliding roller seat 83 and a roller seat cylinder 84. The movable side roller 81 and the fixed side roller 82 are arranged between the two roller shafts 62 and are arranged opposite to each other. The sliding roller seat 83 is installed with the movable side roller 81 and is connected to the roller seat cylinder 84.

[0055] cooperate Figures 13 to 15 As shown, the upper and lower clamping group 7 includes a mounting frame 71, a movable plate 72, a pressing roller 73 and an upper and lower cylinder 74. The mounting frame 71 is installed on the frame 32 / feeding slide 33 and is arranged on the side of the conveying roller group 6. Upper and lower guide rails 75 are provided on the mounting frame 71. The movable plate 72 is slidably installed on the upper and lower guide rails 75. The pressing roller 73 is arranged above the conveying roller group 6 and is installed on the movable plate 72 through a vertical seat bearing. The upper and lower cylinder 74 is arranged at the top of the mounting frame 71 and is connected to the movable plate 72.

[0056] Conveying roller groups 6 are provided on both the frame 32 and the feeding slide 33. Through the cooperation of the upper and lower clamping group 7 and the side pressing roller group 8, the stability and conveying efficiency of profile conveying are maintained.

[0057] The feeding slide 33 is slidably installed on the front and rear guide rails on the frame 32, and cooperates with the front and rear racks 35 through the feeding motor 36. The left and right clamping groups 4 are set on the feeding slide 33 and push the left and right clamping members 42 to move on the left and right guide rails 411 through the left and right cylinders 412. The feeding slide 33, the left and right clamping groups 4 and the upper and lower clamping groups 7 are used to clamp the profiles coming in from the feed rack 1, and they are connected and cooperated with the feed rack 1 to quickly push the profiles into the cutting operation area on the frame 32.

[0058] The left and right clamping groups 4 first slide to a position close to the feed rack 1 through the feeding slide 33 and the front and rear guide rails 34, and connect with the feed rack 1 through the conveying roller group 6 on the frame 32 to receive the profiles from the feed rack 1. The movable seat of the feed clamping group 5 adjusts the position of the feed clamping member 51 according to the profile specifications and pushes the profile from the feed rack 1 into the conveying roller group 6 of the frame 32, and enters the left and right clamping groups 4 from the conveying roller group 6. The left and right clamping members 42 of the left and right clamping groups 4 slide on the sliding opening 37 to match the profile specifications. The upper and lower clamping groups 7 use the pressure rollers 73 to press the profiles from top to bottom to prevent the last profile from being unable to enter the working area of the cutting robot arm 31 due to insufficient length, and to prevent the profiles from flipping and falling off. Subsequently, the feeding motor 36 drives the feeding slide 33 to move along the front and rear guide rails 34 to enter the working area of the cutting robot arm 31. After cutting is completed, the conveying roller group 6 and the side pressure roller group 8 at the rear end of the frame 32 are used to convey the cut profiles to the discharge rack 2.

[0059] Among them, the conveying roller group 6 is preferably not equipped with a driving device at the front end of the frame 32, and a motor for driving the roller shaft 62 to rotate is arranged at the rear end, so that the profile after cutting is conveyed to the discharge rack 2 by the roller shaft 62, without the need for manual pushing, and the feeding, cutting and discharging operations are automatically performed without generating any residual waste.

[0060] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A plasma cutting machine without residual waste, characterized in that: It includes a feeding rack, a discharging rack, a cutting mechanism and left and right clamping groups. The feeding rack and the discharging rack are respectively connected to the cutting mechanism front and back. The feeding rack is provided with a feeding clamping group, and the feeding clamping group includes a movable seat and a feeding clamping member. The movable seat is arranged on the feeding rack, and the feeding clamping member is movably installed on the movable seat and cooperates with the profile. The cutting mechanism includes a cutting robotic arm and a frame. The cutting robotic arm is arranged on the frame. A feeding sliding seat is slidably installed on the frame. The left and right clamping groups include left and right sliding seats and left and right clamping members. The left and right sliding seats are arranged on the feeding sliding seat, and the left and right clamping members are slidably installed on the left and right sliding seats and cooperate with the profile. The cutting mechanism further includes a conveying roller group, an upper and lower clamping group for clamping the profile and a side pressing roller group. The conveying roller groups are respectively arranged at the front and rear ends of the frame and on both sides of the left and right clamping groups. The upper and lower clamping groups have at least two groups and are respectively arranged on the frame and the feeding sliding seat. The side pressing roller group is arranged on the frame. The upper and lower clamping group includes a mounting frame, a movable plate, a pressing roller and an upper and lower air cylinder. The mounting frame is installed on the frame / feeding sliding seat and arranged on the side of the conveying roller group. The mounting frame is provided with upper and lower guide rails. The movable plate is slidably installed on the upper and lower guide rails. The pressing roller is arranged above the conveying roller group and is installed on the movable plate through a vertical seat bearing. The upper and lower air cylinder is arranged at the top of the mounting frame and is connected to the movable plate. The frame is provided with front and rear guide rails and front and rear racks. The front and rear guide rails are symmetrically arranged on both sides of the frame. The feeding sliding seat is engaged with the front and rear guide rails on both sides and is provided with a feeding motor that cooperates with the front and rear racks. The feeding sliding seat is provided with a sliding opening. The left and right sliding seats include left and right guide rails, left and right air cylinders and fixed clamping members. The left and right guide rails are arranged on the feeding sliding seat. The left and right air cylinders are arranged at the bottom of the feeding sliding seat. The left and right clamping members are slidably installed on the left and right guide rails and pass through the sliding opening to be installed with the left and right air cylinders. The fixed clamping member is arranged at one end of the left and right guide rails and is oppositely arranged with the left and right clamping members.

2. The plasma cutting machine without residual waste as claimed in claim 1, wherein: The feeding rack is provided with a feeding guide rail and a feeding rack. The movable seat includes a first movable frame, a second movable frame, a third movable frame and a fourth movable frame. The first movable frame is slidably installed on the feeding guide rail. The first movable frame is provided with a feeding motor that cooperates with the feeding rack and a first guide rail. The second movable frame is slidably installed on the first guide rail and is provided with a second guide rail. The third movable frame is slidably installed on the second guide rail. The fourth movable frame is fixedly connected to the third movable frame and is provided with a third guide rail for installing the feeding clamping member and a clamping air cylinder that cooperates with it.

3. The plasma cutting machine without residual waste as described in claim 2, wherein: The first movable frame is provided with a first lead screw and a first motor. The second movable frame is provided with a first slider installed on the first guide rail. The first lead screw cooperates with the first slider and is driven to rotate by the first motor. The second movable frame is provided with a second lead screw and a second motor. The third movable frame is provided with a second slider installed on the second guide rail. The second lead screw cooperates with the second slider and is driven to rotate by the second motor.

4. The plasma cutting machine without residual waste as claimed in claim 3, wherein: The conveying roller group includes roller seats, roller shafts and drive chains. The roller seats are installed on the frame. The roller shafts are rotatably installed on the roller seats at equal intervals and are connected to the drive motor through the drive chains. The side pressing roller group includes a movable side roller, a fixed side roller, a sliding roller seat and a roller seat cylinder. The movable side roller and the fixed side roller are arranged between the two roller shafts and are arranged oppositely. The sliding roller seat is installed on the movable side roller and is connected to the roller seat cylinder.

5. The plasma cutting machine without residual waste as described in claim 1, characterized in that: Both the feeding frame and the discharging frame include a conveying frame body, conveying roller shafts and a conveying motor. The conveying frame body is connected to the frame and the conveying roller shafts are installed at equal intervals. The conveying roller shafts are installed on the conveying motor through transmission parts.

6. A plasma cutting machine without residual waste as described in claim 1, characterized in that: The cutting robotic arm is a plasma cutting robotic arm and is installed on the frame through a fixing frame.

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