A carbon fiber pipe cutting machine

Abstract

The application discloses a kind of carbon fiber pipe cutting machine, including machine case, cutting machine main body, fixture mechanism, support frame, sorting box, detection mechanism, pneumatic slide, sorting mechanism;Machine case is fixed on support frame, cutting machine main body is arranged in the inside of machine case, cutting machine main body includes diamond grinding wheel, cooperates longitudinal cutting feed mechanism, carries out cutting operation to workpiece;Pneumatic slide is installed on support frame, fixture mechanism is installed on pneumatic slide;Pneumatic slide is same with workpiece feed direction, pneumatic slide passes through machine case and pneumatic slide end is fixed on sorting box, fixture mechanism is cut along pneumatic slide Workpiece is transported to the corresponding position of cutting machine main body in the inside of machine case and is cut, and workpiece is transported to sorting box after cutting is completed;Detection mechanism and sorting mechanism are set on sorting box, for detecting and sorting to workpiece after cutting is completed.The application is applied to visual calibration carbon fiber pipe cutting, cutting precision is high, cost is low, production efficiency is high.

Description

Technical Field

[0001] This invention relates to a carbon fiber tube cutting machine, specifically a special cutting machine for visually calibrated carbon fiber tube cutting, belonging to the field of machinery. Background Technology

[0002] Carbon fiber is a high-performance material. Due to its excellent mechanical properties such as high strength, high stiffness and low density, it is widely used in aviation, aerospace, automobiles, sports equipment and other fields.

[0003] Carbon fiber materials have the following characteristics:

[0004] 1. Carbon fiber materials have higher hardness than ordinary metal materials.

[0005] 2. Carbon fiber materials are prone to generating shavings. The porous structure of carbon fiber, coupled with its uniform fiber orientation, makes it easy to generate shavings during cutting. This can lead to a decrease in the quality of the ground surface and even pose a hazard to equipment and operators.

[0006] 3. Carbon fiber materials are prone to surface burrs. Because the fibers on the surface of carbon fiber materials are aligned in the same direction, surface burrs are easily generated during cutting. This not only affects the appearance quality of the material, but also has an adverse effect on its mechanical properties.

[0007] With the development of modern machining, the requirements for cutting quality and precision are constantly increasing, as are the demands for improved production efficiency, reduced production costs, and highly intelligent automated cutting functions. Before using monocular and binocular cameras and scanners, the measured three-dimensional plane must be calibrated. A commonly used calibration mechanism is a calibration ball bar, the main body of which is mostly made of carbon fiber. Due to the high precision requirements, laser cutting is generally used when cutting such pipes, but laser cutting machines are expensive. Conventional mechanical cutting machines have lower precision and efficiency, and are prone to delamination, tearing, and burrs when cutting carbon fiber, making them unsuitable for cutting high-precision carbon fiber materials. Summary of the Invention

[0008] In order to solve the above-mentioned problems in the existing technology, the present invention provides a carbon fiber tube cutting machine for visual calibration of carbon fiber tube cutting, which has high cutting accuracy, low design cost and high production efficiency.

[0009] The objective of this invention is achieved through the following technical solution:

[0010] A carbon fiber tube cutting machine includes a chassis, a cutting machine body, a clamping mechanism, a support frame, a sorting box, a detection mechanism, a pneumatic slide, and a sorting mechanism. The chassis is fixed on the support frame, and the cutting machine body is arranged inside the chassis. The cutting machine body includes a diamond grinding wheel and works in conjunction with a longitudinal cutting feed mechanism to cut workpieces. The pneumatic slide is mounted on the support frame, and the clamping mechanism is mounted on the pneumatic slide. The pneumatic slide is in the same direction as the workpiece feed, passes through the chassis, and its end is fixed to the sorting box. The clamping mechanism transports the workpiece along the pneumatic slide to the corresponding position of the cutting machine body inside the chassis for cutting, and then transports the cut workpiece to the sorting box. The detection mechanism and the sorting mechanism are arranged on the sorting box for detecting and sorting the cut workpieces.

[0011] Furthermore, a cutting machine guard door is installed on one side of the chassis.

[0012] Furthermore, a vacuum cleaner is arranged inside the support frame, and the vacuum cleaner pipe is connected to the inside of the chassis through the suction port for sucking up dust and debris.

[0013] Furthermore, the main body of the cutting machine includes a variable frequency motor, a feed screw, a servo electric cylinder, a feed slide guide plate, a feed slide guide rail, a diamond grinding wheel, and a square box; the square box is fixed on the support frame, the feed slide guide rail is fixed on the top of the square box, and the feed slide guide plate is slidably connected to the feed slide guide rail; the feed screw and the servo electric cylinder are fixed at the rear end of the feed slide guide plate, and the feed screw is driven by the servo electric cylinder to realize the longitudinal sliding of the feed slide guide plate along the feed slide guide rail; the variable frequency motor is fixed at the front end of the feed slide guide plate, and the diamond grinding wheel is fixed on one side of the feed slide guide plate, and the diamond grinding wheel is driven by the variable frequency motor to rotate for cutting.

[0014] Furthermore, the clamping mechanism includes two No. 1 cylinders, four identical clamping bodies, and a turntable. The two No. 1 cylinders are respectively arranged at both ends of the turntable along the workpiece feed direction. A stepper motor is provided at the center of the turntable to drive the turntable to rotate 90°. Four slots are evenly distributed on the outer circumference of the turntable. A locking block is provided at the extended end of the No. 1 cylinder. When the turntable rotates to the appropriate position, the No. 1 cylinder pushes the locking block into the slot of the turntable to achieve turntable positioning. The four clamping bodies are arranged symmetrically in pairs on the turntable.

[0015] Furthermore, the clamping device consists of a clamping jaw, a second cylinder, and a clamping jaw fixing seat. The clamping jaw and the second cylinder are fixed on the clamping jaw fixing seat. The clamping jaw is driven by the second cylinder to clamp the material. The clamping jaw fixing seat is connected to the turntable by screws.

[0016] Furthermore, the detection mechanism consists of a host computer and two identical detectors connected to the host computer via signals. The two identical detectors are symmetrically arranged on both sides of the pneumatic slide and fixed above the sorting box. Each detector consists of a receiving lens, a projection lens, and a detector body. The receiving lens and the two projection lenses are fixed on the detector body. The projection lens is used to illuminate the surface of the workpiece, and the receiving lens is used to receive the light reflected from the surface of the workpiece and image it through a CMOS sensor, and then send it to the host computer for signal processing.

[0017] Furthermore, the sorting mechanism includes two identical sorting units, symmetrically arranged on both sides of the pneumatic slide and fixed above the sorting box, located outside the detection mechanism. Each sorting unit consists of a rack, a telescopic guide rail, a fixed tailstock, a transmission gear, a bearing seat, and a pneumatic elevator. The rack is slidably connected below the telescopic guide rail, and the outer end of the telescopic guide rail is axially connected to the fixed tailstock, which is fixed above the sorting box. The inner end of the telescopic guide rail is connected to the pneumatic elevator, which is fixed above the sorting box. The telescopic guide rail is raised or lowered under the drive of the pneumatic elevator. The transmission gear is mounted on the sorting box through the bearing seat, meshing with the rack to drive the rack to extend or retract along the telescopic guide rail.

[0018] The present invention has the following beneficial effects:

[0019] Considering the higher hardness of carbon fiber compared to ordinary metals and its susceptibility to surface burrs, the cutting section employs high-hardness diamond grinding wheels. To improve precision, various sizes of diamond grinding discs are used, powered by a variable frequency motor to provide appropriate power for different disc sizes, ensuring the diamond grinding wheels maintain a high and constant linear speed. Simultaneously, a longitudinal cutting mechanism driven by a servo electric cylinder is used, allowing precise control of the cutting machine's feed force and significantly reducing the risk of burrs. This system can process pipes of various sizes and materials, with flexible feed force adjustment during processing.

[0020] To improve product quality, an end-face inspection device and a sorting mechanism have been added. The cut workpieces will be transported to the end-face inspection device for inspection. The inspection results will be analyzed and compared by the host computer, which will then issue sorting instructions to the sorting mechanism to separate qualified and unqualified products.

[0021] To improve production efficiency, the fixture mechanism adopts a rotatable base, which is more flexible than ordinary fixtures and can realize cutting in different positions, either horizontally or vertically. The rotatable base is fixed by a cylinder, which is precise and effectively prevents irregular movement of the workpiece during cutting.

[0022] Considering the tendency of carbon fiber materials to generate flying debris, and for worker safety, this invention incorporates a protective cover for the entire cutting machine, isolating workers from the workbench. A powerful vacuum cleaner is also included to remove flying debris and dust. This effectively ensures worker safety and health without disrupting production. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the main structure of a carbon fiber tube cutting machine according to an embodiment of the present invention;

[0024] Figure 2 This is a top view schematic diagram of a carbon fiber tube cutting machine according to an embodiment of the present invention;

[0025] Figure 3 This is a schematic diagram of the isometric structure of a carbon fiber tube cutting machine according to an embodiment of the present invention;

[0026] Figure 4 for Figure 3 A magnified view of a portion of position 5 in the center;

[0027] Figure 5 This is a schematic diagram of the isometric structure of a carbon fiber tube cutting machine according to an embodiment of the present invention from another angle;

[0028] Figure 6 This is a schematic diagram of the main structure of the cutting machine according to an embodiment of the present invention;

[0029] Figure 7 This is a schematic diagram of the clamping mechanism structure according to an embodiment of the present invention;

[0030] Figure 8 This is a schematic diagram of the detection mechanism structure described in an embodiment of the present invention;

[0031] Figure 9 This is a schematic diagram of the sorting mechanism structure described in an embodiment of the present invention;

[0032] Figure 10(a) is a schematic diagram of the detection mechanism of the present invention performing detection on the workpiece according to an embodiment of the present invention;

[0033] Figure 10(b) is a schematic diagram of the sorting state of the sorting mechanism according to an embodiment of the present invention;

[0034] In the picture:

[0035] 1-Chassis; 2-Cut machine body; 3-Workpiece; 4-Clamping mechanism; 5-Dust suction port; 6-Cut machine guard plate sliding door; 7-Support frame; 8-Sorting box; 9-Detection mechanism; 10-Pneumatic slide table; 11-Sorting mechanism; 12-Detection instrument host computer; 13-Wire hole;

[0036] 201-Cylinder No. 1 mounting base; 202-Variable frequency motor; 203-Feed screw; 204-Servo electric cylinder; 205-Cylinder No. 2 mounting base; 206-Feed slide guide plate; 207-Feed slide guide rail; 208-Grinding wheel guard plate; 209-Diamond grinding wheel; 210-Square box;

[0037] 401 - Cylinder; 402 - Gripper; 403 - Turntable; 404 - Gripper fixing;

[0038] 901 - Receiving lens; 902 - Projecting lens; 903 - Main body of the detector;

[0039] 1101-Rack; 1102-Telescopic guide rail; 1103-Fixed tailstock; 1104-Transmission gear; 1105-Bearing housing; 1106-Pneumatic hoist. Detailed Implementation

[0040] The technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments:

[0041] Example

[0042] like Figures 1 to 5 As shown, this embodiment is a carbon fiber tube cutting machine, including a chassis 1, a cutting machine body 2, a workpiece 3, a clamping mechanism 4, a dust suction port 5, a cutting machine guard door 6, a support frame 7, a sorting box 8, a detection mechanism 9, a pneumatic slide table 10, and a sorting mechanism 11. The chassis 1 is fixed on the support frame 7. The interior of the chassis 1 is the cutting area. The cutting machine guard door 6 is slidably installed on one side of the chassis 1 to prevent dust and debris from flying out and ensure worker safety. A powerful vacuum cleaner is arranged inside the support frame 7. The vacuum cleaner pipe is connected to the interior of the chassis 1 through the dust suction port 5 to remove dust and debris. The cutting machine body 2 is arranged inside the chassis 1. The cutting machine body 2 includes a diamond grinding wheel, which, in conjunction with a longitudinal cutting feed mechanism, performs cutting operations on the workpiece 3. The pneumatic slide 10 is mounted on the support frame 7, and the clamping mechanism 4 is mounted on the pneumatic slide 10 for clamping the workpiece in a semi-automatic manner. The pneumatic slide 10 is in the same direction as the workpiece feed, passes through the housing 1, and its end is fixed to the sorting box 8. The clamping mechanism 4 transports the workpiece along the pneumatic slide 10 to the corresponding position of the cutting machine body 2 inside the housing 1 for cutting, and then transports the cut workpiece to the sorting box 8. The detection mechanism 9 and the sorting mechanism 11 are set on the sorting box 8 for detecting and sorting the cut workpiece.

[0043] The main body 2 of the cutting machine is located in the middle of the casing 1, such as Figure 6As shown, it mainly consists of a No. 1 electric cylinder mounting base 201, a variable frequency motor 202, a feed screw 203, a servo electric cylinder 204, an electric cylinder mounting base 205, a feed slide guide plate 206, a feed slide guide rail 207, a grinding wheel guard plate 208, a diamond grinding wheel 209, and a square box 210. The square box 210 is fixed on the support frame 7. The feed slide rail 207 is fixed to the top of the square box 210 with screws. The feed slide rail plate 206 is fixed to the slider of the feed slide rail 207 with screws. The first electric cylinder fixing seat 201 and the second electric cylinder fixing seat 205 are respectively fixed at the front and rear ends of the feed slide rail plate 206. The feed screw 203 and the servo electric cylinder 204 are fixed on the second electric cylinder fixing seat 205. The servo electric cylinder 204 drives the feed screw 203 to realize the longitudinal sliding of the feed slide rail plate 206 along the feed slide rail 207. The frequency converter motor 202 is fixed on the first electric cylinder fixing seat 201. The diamond grinding wheel 209 is fixed on one side of the feed slide rail plate 206. The frequency converter motor 202 drives the diamond grinding wheel 209 to rotate for cutting. The feed screw 203, servo electric cylinder 204, feed slide guide plate 206, and feed slide guide 207 constitute the longitudinal cutting feed mechanism, which tests the controllability of cutting and can accurately control the longitudinal feed force of cutting, thereby improving the accuracy of the cutting machine.

[0044] The powerful vacuum cleaner is located inside the support frame 7, and the suction duct is placed inside the chassis through the suction port 5. The suction duct connects the vacuum cleaner located inside the support frame 7 to the suction port located inside the chassis. The suction port 5 is narrow and its main function is to extract flying debris and dust to prevent damage to workpieces, workbenches, etc., and secondly, to prevent workers from inhaling dust.

[0045] like Figure 7As shown, the clamping mechanism 4 consists of two No. 1 cylinders 401, four identical clamping bodies, and a turntable 403. The two No. 1 cylinders 401 are respectively arranged at both ends of the turntable 403 along the workpiece feeding direction. A stepper motor is provided at the center of the turntable 403 to drive the turntable to rotate 90°. Four slots are evenly distributed on the outer circumference of the turntable 403. A locking block is provided at the extended end of the No. 1 cylinder 401. When the turntable rotates to the appropriate position, the No. 1 cylinder 401 pushes the locking block into the slot of the turntable to achieve turntable positioning and prevent the workpiece from moving during the cutting process. The four clamping bodies are symmetrically arranged in pairs on the turntable 403. Each clamping body consists of a jaw 402, a No. 2 cylinder 404, and a jaw fixing seat 405. The jaw 402 and the No. 2 cylinder 404 are fixed on the jaw fixing seat 405. The jaw 402 is powered by the No. 2 cylinder 404 to clamp the material. The jaw fixing seat is connected to the turntable 403 by screws. The main function of the clamping mechanism 4 is to clamp the workpiece. At the same time, when the workpiece enters the detection area above the sorting box 8 after the workpiece is cut, the position of the workpiece can be adjusted by rotating the turntable, which facilitates monitoring and sorting, making the clamping mechanism more flexible and automated.

[0046] like Figure 8 As shown, the detection mechanism 9 consists of a host computer 12 and two identical detectors connected to the host computer 12 via signals. The two identical detectors are symmetrically arranged on both sides of the pneumatic slide 10 and fixed above the sorting box 8. Each detector consists of a receiving lens 901, a projection lens 902, and a detector body 903. The receiving lens 901 and the two projection lenses 902 are fixed to the detector body 903. The projection lens 902 illuminates the workpiece surface, and the receiving lens 901 receives the light reflected from the workpiece surface and images it through a CMOS sensor, then sends the image to the host computer 8. The host computer performs signal processing; the striped light irradiated by the projection lens 902 diffuses and reflects on the surface of the target object (workpiece). If the reflected light is observed from above (receiving lens 901), it can be seen that the original striped light is bent due to the concave and convex shape of the target object. These light rays are imaged by the CMOS sensor and calculated (triangulation method) to measure the height and position of each point. The measured data is uploaded to the host computer 12 for processing to obtain the end face morphology detection result. It is compared with the predetermined roughness to determine whether the material is qualified, as shown in Figure 10(a).

[0047] like Figure 9As shown, the sorting mechanism 11 includes two identical sorting units, which are symmetrically arranged on both sides of the pneumatic slide table 10 and fixed above the sorting box 8, located outside the detection mechanism 9. Each sorting unit consists of a rack 1101, a telescopic guide rail 1102, a fixed tailstock 1103, a transmission gear 1104, a bearing seat 1105, and a pneumatic elevator 1106. The rack 1101 is slidably connected to the lower part of the telescopic guide rail 1102, and the outer end of the telescopic guide rail is connected to the fixed tailstock. The 1103 shaft is fixed to the upper part of the sorting box 8. The inner end of the telescopic guide rail is connected to the pneumatic elevator 1106, which is fixed above the sorting box 8. The telescopic guide rail 1102 is raised or lowered under the drive of the pneumatic elevator 1106. The transmission gear 1104 is mounted on the sorting box 8 through the bearing seat 1105. The transmission gear 1104 meshes with the rack 1101, driving the rack 1101 to extend or retract along the telescopic guide rail 1102. In the non-working state, the rack and the pneumatic elevator 1106 are both in the retracted state. During operation, after the detection mechanism completes the detection and inputs it into the host computer for analysis and judgment, the host computer issues a command to the sorting device. The rack extends along the telescopic guide rail to below the workpiece, and then the pneumatic elevator 1106 drives the telescopic guide rail to lift up. The workpiece extends along the retracted guide rail and rolls down to the sorting box, completing one sorting cycle, as shown in Figure 10(b).

[0048] The working principle of this embodiment is as follows:

[0049] Preparation stage: The clamping mechanism 4 clamps the workpiece 3, and the clamping mechanism 4 moves along the pneumatic slide table 10 to the corresponding position of the cutting machine body 2, and closes the cutting machine guard plate sliding door 6.

[0050] Cutting stage: Start the main body 2 of the cutting machine, the variable frequency motor 202 drives the diamond grinding wheel 209 to operate, and the servo electric cylinder 204 drives the feed screw 203 to push the grinding wheel to feed; after completing one cut of the workpiece, the grinding wheel retracts and the variable frequency motor 202 stops.

[0051] Inspection Stage: Under the clamping of the fixture mechanism 4, the workpiece is brought into the inspection and sorting area located above the sorting box 8 by the pneumatic slide 10 below. The first cylinder 401 in the fixture mechanism 4 retracts, the middle turntable rotates 90 degrees, and after reaching the slot position, cylinder 401 extends to fix the turntable. At this time, both ends of the workpiece are facing the inspection mechanism 8, and the inspection mechanism begins operation. The striped light irradiated by the projection lens 802 diffuses and reflects on the surface of the target object. The receiving lens 801 observes the reflected light and can see that the originally striped light is bent due to the uneven shape of the target object. These light rays are imaged by a CMOS sensor and processed to measure the height and position of each point. The end-face morphology inspection result is obtained and compared with the predetermined roughness to determine whether the material is qualified.

[0052] Sorting stage: After the inspection is completed, the turntable of the clamping mechanism 4 returns to its original position. The inspection results are input into the host computer for analysis and judgment. The host computer issues an instruction to the sorting mechanism 9. The transmission gear 904 is driven by the electric motor to extend the rack to the bottom of the workpiece. The pneumatic elevator 906 lifts the workpiece and the workpiece rolls down into the sorting box 8, completing one sorting cycle.

[0053] Reset: After sorting is completed, sorting mechanism 9 returns to the non-working state, and clamping mechanism 4 returns to the cutting area. This completes the entire cutting process.

[0054] The beneficial effects of this invention are:

[0055] (1) High-precision cutting: The special cutting machine described in this article uses a variable frequency motor to provide a constant linear speed for the diamond grinding wheel, and the longitudinal feed system is powered by a servo motor to achieve precise control of the cutting force. The two work together to ensure stability when cutting with grinding wheels of different sizes or materials of different sizes, thereby improving cutting accuracy. It can achieve precise cutting and ensure that the size and shape of each part meet the requirements.

[0056] (2) High efficiency: The special cutting machine described in this article can complete a large number of cutting tasks in a short time. At the same time, the inspection agency can detect the qualification of the finished products, and then the sorting agency sorts them, which greatly improves production efficiency and reduces the need for manual operation.

[0057] (3) Automation and Digital Control: The special cutting machine described in this article adopts computer numerical control (CNC) technology, making the operation more automated and precise. Operators can easily set and adjust cutting parameters through a computer interface.

[0058] (4) Save labor costs: Due to its highly automated nature, the special cutting machine described in this article reduces the number of operators required and lowers labor costs.

[0059] (5) Improve safety: Dust and harmful gases may be generated during the cutting process of carbon fiber tube material. The special cutting machine described in this article uses a vacuum cleaner to remove dust, and at the same time, the cutting machine guard plate pull door 5 is used to isolate flying chips to ensure the safety of operators and the environment.

Claims

1. A carbon fiber tube cutting machine, characterized in that, Includes the chassis, cutting machine body, clamping mechanism, support frame, sorting box, detection mechanism, pneumatic slide, and sorting mechanism; The machine casing is fixed to the support frame, and the main body of the cutting machine is arranged inside the casing. The main body of the cutting machine includes a diamond grinding wheel, which, in conjunction with a longitudinal cutting feed mechanism, performs cutting operations on the workpiece. A pneumatic slide is mounted on the support frame, and a clamping mechanism is mounted on the pneumatic slide. The pneumatic slide is in the same direction as the workpiece feed, passes through the casing, and its end is fixed to a sorting box. The clamping mechanism transports the workpiece along the pneumatic slide to the corresponding position on the main body of the cutting machine inside the casing for cutting, and then transports the cut workpiece to the sorting box. A detection mechanism and a sorting mechanism are set on the sorting box for detecting and sorting the cut workpieces. The sorting mechanism includes two structures. Two identical sorting units are symmetrically arranged on both sides of the pneumatic slide and fixed above the sorting box, located outside the detection mechanism. Each sorting unit consists of a rack, a telescopic guide rail, a fixed tailstock, a transmission gear, a bearing seat, and a pneumatic elevator. The rack is slidably connected to the lower part of the telescopic guide rail, and the outer end of the telescopic guide rail is axially connected to the fixed tailstock, which is fixed above the sorting box. The inner end of the telescopic guide rail is connected to the pneumatic elevator, which is fixed above the sorting box. The telescopic guide rail is raised or lowered under the drive of the pneumatic elevator. The transmission gear is mounted on the sorting box through the bearing seat and meshes with the rack to drive the rack to extend or retract along the telescopic guide rail.

2. The carbon fiber tube cutting machine as described in claim 1, characterized in that, A cutting machine guard door is installed on one side of the chassis.

3. A carbon fiber tube cutting machine as described in claim 1, characterized in that, A vacuum cleaner is installed inside the support frame, and the vacuum cleaner pipe is connected to the inside of the chassis through the suction port to suck up dust and debris.

4. A carbon fiber tube cutting machine as described in claim 1, characterized in that, The main body of the cutting machine includes a variable frequency motor, a feed screw, a servo electric cylinder, a feed slide guide plate, a feed slide guide rail, a diamond grinding wheel, and a square box. The square box is fixed on the support frame, the feed slide guide rail is fixed on the top of the square box, and the feed slide guide plate is slidably connected to the feed slide guide rail. The feed screw and servo electric cylinder are fixed at the rear end of the feed slide guide plate, and the feed screw is driven by the servo electric cylinder to realize the longitudinal sliding of the feed slide guide plate along the feed slide guide rail. The variable frequency motor is fixed at the front end of the feed slide guide plate, and the diamond grinding wheel is fixed on one side of the feed slide guide plate. The diamond grinding wheel is driven by the variable frequency motor to rotate for cutting.

5. A carbon fiber tube cutting machine as described in claim 1, characterized in that, The clamping mechanism includes two No. 1 cylinders, four identical clamping bodies, and a turntable. The two No. 1 cylinders are respectively located at both ends of the turntable along the workpiece feed direction. A stepper motor is located at the center of the turntable to drive the turntable to rotate 90°. Four slots are evenly distributed on the outer circumference of the turntable. A locking block is provided at the extended end of the No. 1 cylinder. When the turntable rotates to the appropriate position, the No. 1 cylinder pushes the locking block into the slot of the turntable to achieve turntable positioning. The four clamping bodies are arranged symmetrically in pairs on the turntable.

6. A carbon fiber tube cutting machine as described in claim 5, characterized in that, The clamp consists of a jaw, a second cylinder, and a jaw fixing seat. The jaw and the second cylinder are fixed on the jaw fixing seat. The jaw is driven by the second cylinder to clamp the material. The jaw fixing seat is connected to the turntable by screws.

7. A carbon fiber tube cutting machine as described in claim 1, characterized in that, The detection mechanism consists of a host computer and two identical detectors connected to the host computer via signals. The two identical detectors are symmetrically arranged on both sides of the pneumatic slide and fixed above the sorting box. Each detector consists of a receiving lens, a projection lens, and a detector body. The receiving lens and the two projection lenses are fixed on the detector body. The projection lens is used to illuminate the surface of the workpiece, and the receiving lens is used to receive the light reflected from the surface of the workpiece and image it through a CMOS sensor, and then send it to the host computer for signal processing.

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