Automatic flange plate production line

Abstract

The automatic flange plate production line comprises a transfer robot, and an unstacking tray, a steel flange plate small stand column assembling mechanism, a steel flange plate positioning mechanism, an injection molding machine, a material head shearing mechanism, a guide column shearing mechanism, an edge trimmer and a stacking tray which are anticlockwise arranged on the outer side of the transfer robot; the unstacking tray is used for placing steel flange plates; the steel flange plate small stand column assembling mechanism is used for assembling small stand columns on steel flange plates. The steel flange plate positioning mechanism is used for positioning the steel flange plate assembled with the small stand column; the injection molding machine is used for injection molding of the steel flange; the stub bar shearing mechanism is used for shearing stub bars of the steel flange plates; the guide pillar shearing mechanism is used for shearing a guide pillar of the steel flange plate; and the edge trimmer is used for trimming and rounding the inner circle of the steel flange plate. The efficiency of a production line can be improved, workers do not need to conduct online operation all the time, multiple devices can be taken into account, and therefore the labor cost is reduced.

Description

Technical Field

[0001] The invention relates to the technical field of flange production, in particular to an automatic flange production line. Background Art

[0002] Flange is a common disc-shaped part in pipeline engineering. It is widely used in the field of machinery and mainly serves as a connection. Small columns can be set on the flange to facilitate the positioning of the flange when it is placed in the mold, and to facilitate the plastic coating of the steel flange by the injection molding machine.

[0003] At present, the loading and unloading of injection molding machine flanges are done manually. As the product weight is 20kg to 30kg, robots are needed to carry the product. The burden of manual handling is too heavy and there are risks. At the same time, the products after injection molding are also sheared and trimmed manually. There are certain differences in the consistency of the products after manual shearing and trimming, and the efficiency is not high. The surface temperature of the injection molded product is too high. High temperature protection is required when loading, unloading and trimming to avoid burns caused by misoperation.

[0004] For this reason, we propose an automated production line for flanges. Summary of the invention

[0005] In view of the shortcomings of the above-mentioned existing production technologies, the applicant provides an automated flange production line, which can improve the efficiency of the production line. Personnel do not need to operate online all the time and can take care of multiple devices, thereby reducing labor costs.

[0006] The technical solution adopted by the present invention is as follows:

[0007] An automatic flange production line, comprising:

[0008] Handling robot for handling steel flanges;

[0009] Destacking pallets for steel flanges;

[0010] The small column assembly mechanism of the steel flange is used to assemble the small column on the steel flange;

[0011] The steel flange positioning mechanism is used to position the steel flange after assembling the small column;

[0012] Injection molding machine, used for injection molding of steel flanges;

[0013] The material head shearing mechanism is used to shear the material head of the steel flange;

[0014] Guide post shearing mechanism, used to shear the guide posts of steel flanges;

[0015] Trimming machine, used for trimming and rounding the inner circle of steel flange;

[0016] Palletizing pallets for steel flanges;

[0017] Among them, the depalletizing pallet, the small column assembly mechanism of the steel flange, the steel flange positioning mechanism, the injection molding machine, the material head shearing mechanism, the guide column shearing mechanism, the trimming machine and the stacking pallet are arranged counterclockwise on the outside of the handling robot, and the handling robot transports the steel flange from the depalletizing pallet, the small column assembly mechanism of the steel flange, the steel flange positioning mechanism, the injection molding machine, the material head shearing mechanism, the guide column shearing mechanism, the trimming machine and the stacking pallet in turn.

[0018] It is further characterized by:

[0019] A 3D visual inspection mechanism is arranged on one side of the depalletizing pallet. The 3D visual inspection mechanism comprises a 3D camera and a hollow rotating platform. The 3D camera is arranged on the hollow rotating platform. The 3D visual inspection mechanism cooperates with the handling robot to complete the depalletizing and grabbing of the steel flange.

[0020] The steel flange small column assembly mechanism includes a steel flange loading and unloading mechanism, a photographing mechanism, a gripping mechanism, a small column assembly mechanism, a small column feeding mechanism and a small column loading mechanism. The steel flange loading and unloading mechanism is used to place the steel flange, the steel flange is gripped by the gripping mechanism, the empty space of the steel flange on the gripping mechanism is photographed by the photographing mechanism, the steel flange is rotated by the gripping mechanism so that the hole position of the steel flange is aligned with the hole of the small column assembly mechanism, the small column is placed on the small column assembly mechanism by the small column feeding mechanism and the small column loading mechanism, and the gripping mechanism places the steel flange on the small column assembly mechanism for small column assembly.

[0021] The steel flange positioning mechanism comprises an adjustable clamping air claw, and the steel flange is positioned by the clamping air claw.

[0022] The material head shearing mechanism comprises pneumatic scissors and a material head collecting tray. The material head collecting tray is arranged below the pneumatic scissors, and the pneumatic scissors are arranged on a rotating platform.

[0023] The guide post shearing mechanism comprises a loading station, a moving mechanism and a shearing device. The loading station can clamp the steel flange, and the moving mechanism can drive the shearing device to move, and the guide post is sheared by the shearing device.

[0024] The shears of the shearing device are provided with baffles on both sides for preventing splashing of the sheared guide posts.

[0025] The trimming machine comprises a product clamping device, a product pressing device and a trimming mechanism. The steel flange is fixed by the product clamping device and the product pressing device, and the inner circle of the steel flange is trimmed and chamfered by the trimming mechanism.

[0026] The beneficial effects of the present invention are as follows:

[0027] The present invention has a compact and reasonable structure and is easy to operate. The steel flange is carried between the equipments in sequence by a handling robot, the small column is assembled to the steel flange by a small column assembly mechanism of the steel flange, the steel flange is positioned by a steel flange positioning mechanism, the injection molding machine is used to overcoat the steel flange, the material head of the steel flange is sheared by a material head shearing mechanism, the guide column of the steel flange is sheared by a guide column shearing mechanism, and the inner circle of the steel flange is trimmed and chamfered by a trimming machine, which can improve the efficiency of the production line, the personnel do not need to operate online all the time, and multiple equipment can be taken into account, thereby reducing the labor cost.

[0028] At the same time, the present invention also has the following advantages:

[0029] (1) A 3D camera is set on a hollow rotating platform, which drives the 3D camera to rotate. The 3D camera detects the position of the steel flange of the depalletizing pallet and cooperates with the handling robot to complete the depalletizing and grabbing of the steel flange.

[0030] (2) The guide post shearing mechanism improves the efficiency of guide post shearing and also ensures better consistency of the cut after the steel flange guide post is sheared. A baffle is installed on the blade of the scissors of the guide post shearing mechanism to reduce the problem that the guide post is easily hit during manual shearing due to the free ejection of the scissors during the shearing process, thereby improving the safety of the shearing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the structure of the present invention.

[0032] Figure 2 for Figure 1 Top view of the .

[0033] Figure 3 It is a schematic diagram of the steel flange positioning mechanism of the present invention.

[0034] Figure 4 It is a schematic diagram of the material head shearing mechanism of the present invention.

[0035] Figure 5 It is a schematic diagram of the guide post shearing mechanism of the present invention.

[0036] Figure 6 It is a schematic diagram of a trimming machine of the present invention.

[0037] Figure 7 It is a schematic diagram of the 3D vision detection mechanism of the present invention.

[0038] Figure 8 It is a schematic diagram of the steel flange positioning mechanism of the present invention.

[0039] Fig. 9It is a schematic diagram of the photographing mechanism of the present invention.

[0040] Among them: 1. Handling robot; 2. Depalletizing pallet; 3. 3D visual inspection mechanism; 301. 3D camera; 302. Hollow rotating platform; 4. Steel flange small column assembly mechanism; 401. Steel flange loading and unloading mechanism; 402. Photographing mechanism; 403. Grasping mechanism; 404. Small column assembly mechanism; 405. Small column feeding mechanism; 406. Small column loading mechanism; 5. Steel flange positioning mechanism; 6. Injection molding machine; 7. Material head shearing mechanism; 701. Pneumatic scissors; 702. Material head collecting tray; 8. Guide column shearing mechanism; 801. Product loading station; 802. Moving mechanism; 803. Shearing equipment; 9. Trimming machine; 901. Product clamping device; 902. Product pressing device; 903. Trimming mechanism; 10. Palletizing pallet. DETAILED DESCRIPTION

[0041] The specific implementation of the present invention will be described below in conjunction with the accompanying drawings.

[0042] like Figure 1-Figure 9 As shown, an automated flange production line includes a handling robot 1, a depalletizing pallet 2, a 3D visual inspection mechanism 3, a steel flange small column assembly mechanism 4, a steel flange positioning mechanism 5, an injection molding machine 6, a material head shearing mechanism 7, a guide column shearing mechanism 8, a trimming machine 9, and a palletizing pallet 10. The handling robot 1 is arranged in the middle, and the depalletizing pallet 2, the 3D visual inspection mechanism 3, the steel flange small column assembly mechanism 4, the steel flange positioning mechanism 5, the injection molding machine 6, the material head shearing mechanism 7, the guide column shearing mechanism 8, the trimming machine 9, and the palletizing pallet 10 are arranged counterclockwise on the outside of the handling robot 1.

[0043] The handling robot 1 is mainly responsible for depalletizing, stacking and handling steel flanges that are transferred between various devices. A gripping tool is set on the front and back of the handling robot 1, which are an inner gripping tool and an outer gripping tool. The inner gripping tool is used for gripping when the steel flanges are depalletized and stacked; the outer gripping tool is used for gripping when the injection molding machine 6 is loading and unloading. The handling robot 1 adopts a double-claw style and a multi-point gripping style to adapt to a variety of gripping conditions and reduce the force points of gripping the plastic-coated products to avoid pinching the gripping surface of the product. The handling robot 1 adopts a long-stroke three-finger parallel air gripper, which is suitable for gripping products of various specifications and sizes; by controlling the air intake pressure of the air gripper, the gripping force of the gripper can be adjusted to avoid the gripper pinching the product.

[0044] The depalletizing pallet 2 is used to place the steel flange of the small column to be assembled. The 3D visual inspection mechanism 3 is arranged on one side of the depalletizing pallet 2. The 3D visual inspection mechanism 3 includes a 3D camera 301 and a hollow rotating platform 302. The 3D camera 301 is arranged on the hollow rotating platform 302. The 3D camera 301 is driven to rotate by the hollow rotating platform 302. The position of the steel flange of the depalletizing pallet 2 is detected by the 3D camera, and the depalletizing and grabbing of the steel flange is completed in cooperation with the handling robot 1.

[0045] The steel flange small column assembly mechanism 4 is arranged on one side of the 3D vision detection mechanism 3, and the steel flange small column assembly mechanism 4 includes a steel flange loading and unloading mechanism 401, a photographing mechanism 402, a grabbing mechanism 403, a small column assembly mechanism 404, a small column feeding mechanism 405, a small column loading mechanism 406 and a frame.

[0046] The steel flange loading and unloading mechanism 401 is arranged at one end of the top of the frame. The steel flange loading and unloading mechanism 401 includes a positioning tooling plate and a first translation assembly. The positioning tooling plate is used to support the steel flange. The first translation assembly is arranged on the frame. The positioning tooling plate is arranged on the first translation assembly. The positioning tooling plate is driven to translate by the first translation assembly.

[0047] The first translation assembly includes a first cylinder and a first slide rail. A slider is matched on the first slide rail. The positioning tooling plate is fixed on the slider. The telescopic end of the first cylinder is fixedly connected to the positioning tooling plate. The positioning tooling plate is driven to translate along the first slide rail by the telescopic movement of the first cylinder.

[0048] The photographing mechanism 402 is arranged in the frame, and the photographing mechanism 402 includes transparent glass, a connecting frame and photographing equipment. The photographing equipment is arranged on the connecting frame, and the connecting frame is fixed on the frame. A light source is also arranged on the connecting frame, and fill light is provided through the light source. A through hole is opened in the slide rail of the first translation component at the top of the frame, and the transparent glass is arranged at the through hole, and the transparent glass is above the photographing equipment. The photographing equipment takes pictures through the transparent glass, and the transparent glass can block dust to prevent dust from contaminating the photographing equipment.

[0049] A small column feeding mechanism 405 is arranged on the side of the frame away from the steel flange loading and unloading mechanism 401, and a straight vibration material path is arranged on one side of the small column feeding mechanism 405. The straight vibration material path is arranged on the frame, and the small column feeding mechanism 405 vibrates the small column to the straight vibration material path, and then the straight vibration material path vibrates to its end for feeding the small column. A small column assembly mechanism 404 and a small column loading mechanism 406 are arranged on the top of the frame near the straight vibration material path.

[0050] The small column assembly mechanism 404 includes a rotating platform and a jacking installation component. The rotating platform can rotate. A driving component is provided at the bottom of the rotating platform. The rotating platform is driven to rotate by the driving component. A positioning column is provided on the rotating platform. The steel flange is positioned by the positioning column. A placement hole is also provided on the rotating platform. The placement hole is used to place the small column. The jacking installation component is located below the placement hole of the rotating platform. The jacking installation component can move upward to push the small column in the placement hole into the steel flange.

[0051] The small column loading mechanism 406 includes a third translation assembly and a second grabbing assembly. The third translation assembly is arranged on the frame, and the second grabbing assembly is arranged on the third translation assembly. The second grabbing assembly is driven to translate by the third translation assembly, and the small column is grabbed by the second grabbing assembly.

[0052] The third translation assembly includes a third cylinder and a third slide rail, a third slide rail is matched with a third slider, the second grabbing assembly is fixed on the third slider, the telescopic rod of the third cylinder is fixedly connected to the second grabbing assembly, and the second grabbing assembly includes a driving assembly and a clamp, and the driving assembly drives the clamp to clamp or release the small column.

[0053] The third translation component drives the second grabbing component to move toward one side of the straight vibrating material channel, and then the second grabbing component grabs the small column in the straight vibrating material channel. The third translation component drives the second grabbing component to move toward one side of the rotating platform, and then the second grabbing component places the small column in the placement hole of the rotating platform.

[0054] A grabbing mechanism 403 is provided in the middle of the frame, and the grabbing mechanism 403 includes a bracket, which is provided on the frame, and a second translation component is provided on the bracket, and a lifting component is provided on the second translation component, and a rotating component is provided on the lifting component, and a first grabbing component is provided on the rotating component, and the steel flange is grabbed by the first grabbing component, and the rotating component can drive the first grabbing component to rotate, thereby driving the steel flange to rotate. The lifting component can drive the rotating component to rise and fall, and the second translation component can drive the lifting component to translate.

[0055] The second translation assembly includes a second cylinder and a second slide rail, a second slider is matched on the second slide rail, a lifting assembly is arranged on the second slider, a telescopic rod of the second cylinder is fixedly connected to the lifting assembly, and the lifting assembly is driven to translate by the telescopic movement of the second cylinder. The lifting assembly is a lifting cylinder, and the telescopic end of the lifting cylinder is fixedly connected to the rotating assembly, and the rotating assembly is driven to rise and fall by the lifting cylinder. The rotating assembly includes a rotary cylinder, and the first grabbing assembly is arranged on the rotary cylinder, and the first grabbing assembly is driven to rotate by the rotary cylinder. The first grabbing assembly includes a clamp and a driving assembly, and the clamp is driven to move by the driving assembly, and then the steel flange is clamped by the clamp.

[0056] The steel flange is placed on the positioning tooling plate by a manipulator, the first translation component drives the positioning tooling plate to translate to one side of the grabbing mechanism 403, the steel flange is grasped by the first grabbing component of the grabbing mechanism 403, the first translation component drives the positioning tooling plate to translate to the other side, the grabbing mechanism 403 drives the steel flange to move above the transparent glass, the steel flange is photographed by a photographing device, the photographing device feeds back the coordinates of the hole positions on the steel flange to the rotating component of the grabbing mechanism 403, the rotating component drives the steel flange to rotate through the first grabbing component, so that the hole positions of the steel flange are aligned with the placement holes of the rotating platform;

[0057] The small column is vibrated onto the straight vibration material channel through the small column feeding mechanism 405, and the small column is placed in the placement hole on the rotating platform through the small column loading mechanism 406. The rotating platform rotates, and the small column loading mechanism 406 repeats the loading, so that the small columns are placed in the placement holes on the rotating platform.

[0058] The grabbing mechanism 403 drives the steel flange to move above the rotating platform, and places the steel flange on the rotating platform, and positions the steel flange through the positioning column of the rotating platform. The rotating assembly and the rotating platform rotate at the same time, so that the placement hole of the rotating platform is above the jacking installation component, and the small column is pushed into the hole of the steel flange through the jacking installation component; the rotating assembly and the rotating platform rotate together so that the next placement hole of the rotating platform is above the jacking installation component, and the small column is pushed into the hole of the steel flange through the jacking installation component; repeat the above operation so that all the small columns are pushed into the holes of the steel flange;

[0059] After all the small columns are assembled, the first translation assembly drives the positioning tooling plate to move toward the side of the grabbing mechanism 403, and the steel flange on the rotating platform is grabbed by the grabbing mechanism 403, and then the grabbing mechanism 403 places the steel flange on the positioning tooling plate for loading and unloading. The small columns of the steel flange can be quickly assembled, which can improve production efficiency.

[0060] After the steel flange is assembled with a small column, the steel flange is positioned by the steel flange positioning mechanism 5 to ensure the positioning accuracy when it is placed on the mold loading position in the injection molding machine 6. The steel flange positioning mechanism 5 includes a clamping claw, which is arranged on the forward and reverse spiral screw module. The forward and reverse screw module can be controlled by a servo motor to drive the clamping claw to move, and the distance between the two clamping claws can be adjusted to adapt to a variety of specifications and sizes. The steel flange positioning structure 5 is also provided with a small column detection sensor and a steel flange detection sensor. The steel flange detection sensor is used to detect whether there is a steel flange on the steel flange positioning structure 5, and the small column detection sensor is used to detect whether there is a small column installed on the steel flange.

[0061] After the steel flange is positioned by the steel flange positioning mechanism 5 , the steel flange is transported to the injection molding machine 6 by the transport robot 1 , and the steel flange is plastic-coated by the injection molding machine. After the plastic-coating is completed, the material head shearing mechanism 7 is sheared by the transport robot 1 .

[0062] The material head cutting mechanism 7 is mainly used for cutting the material heads of steel flange plates. The material head cutting mechanism 7 includes pneumatic scissors 701 and a material head collecting tray 702. The material heads of the steel flange plates are cut by the pneumatic scissors 701. The pneumatic scissors 701 are arranged on a rotating platform. The angle of the pneumatic scissors 701 can be adjusted by the rotating platform to facilitate the pneumatic scissors 701 to cut the steel flange plate material heads at different positions and angles. The cut material heads fall into the material head collecting tray 702.

[0063] After the head of the steel flange is sheared, the steel flange is transported to the guide post shearing mechanism 8 by the transport robot 1 to shear the guide post.

[0064] The guide post shearing mechanism 8 includes a product loading station 801, a moving mechanism 802 and a shearing device 803. The product loading station 801 is provided with a clamping cylinder for clamping the steel flange. The moving mechanism 802 includes an X-axis linear model and a Y-axis linear module. The shearing device 803 is arranged on the moving mechanism 802, and the shearing device 803 is driven to move by the moving mechanism 802. The shearing device 803 includes a scissors, which are arranged on a downward pressure cylinder and driven pneumatically. The guide post shearing mechanism 8 improves the efficiency of the guide post shearing, and also ensures better consistency of the cut after the steel flange guide post is sheared. A baffle is installed at the blade of the scissors to reduce the problem that the guide post is easily hit during manual shearing due to the free ejection of the shearing force during the shearing process, thereby improving the safety of the shearing process.

[0065] After the guide post shearing mechanism 8 shears the guide post of the steel flange, the steel flange is transported to the trimming machine 9 for trimming by the transport robot 1. The inner circle of the steel flange is trimmed and chamfered by the trimming machine 9. After the head of the steel flange is sheared, there is still a small section of the head of the inner circle of the steel flange. Due to the injection molding process, one edge needs to be chamfered after processing to ensure the consistency of the two end faces of the steel flange.

[0066] The trimming machine 9 includes a product clamping device 901, a product pressing device 902 and a trimming mechanism 903. The steel flange is clamped by the product clamping device 901, the steel flange is pressed by the product pressing device 902, and then the trimming mechanism 903 trims and rounds the inner circle of the steel flange. The trimming machine 9 may also include a product dust collection mechanism, which cleans the dust and waste generated during trimming to reduce the problem of manual cleaning required for each processing. After the trimming machine 9 is fully operational, the steel flange is moved to the stacking pallet 10 by the handling robot 1.

[0067] In specific use, the handling robot 1 is used to carry the steel flange from the depalletizing tray 2 to the small column assembly mechanism 4 of the steel flange, and the small column is assembled to the steel flange by the small column assembly mechanism 4 of the steel flange. Then, the steel flange is carried from the small column assembly mechanism 4 of the steel flange to the steel flange positioning mechanism 5 by the handling robot 1, and the steel flange is positioned by the steel flange positioning mechanism 5. Then, the steel flange is carried from the steel flange positioning mechanism 5 to the injection molding machine 6 by the handling robot 1 for plastic coating, and then, the handling robot 1 is used to carry the steel flange from the injection molding machine 6 to the injection molding machine 6. 6, the steel flange is transported to the material head shearing mechanism 7, the material head of the steel flange is sheared by the material head shearing mechanism 7, and then the steel flange is transported from the material head shearing mechanism 7 to the guide column shearing mechanism 8 by the transport robot 1, and the guide column of the steel flange is sheared by the guide column shearing mechanism 8, and then the transport robot 1 transports the steel flange to the trimming machine 9, and the inner circle of the steel flange is trimmed and rounded by the trimming machine 9, and then the steel flange is transported to the stacking pallet 10 by the transport robot 1, completing the entire processing flow of the steel flange. The efficiency of the production line can be greatly improved, and personnel do not need to operate online all the time, and can take care of multiple equipment, thereby reducing labor costs.

[0068] The above description is an explanation of the present invention, not a limitation of the present invention. The scope of the present invention is defined in the claims. Any form of modification may be made within the scope of protection of the present invention.

Claims

1. A flange automatic production line, characterized in that: include: A handling robot (1) for handling a steel flange; Destacking pallet (2) for placing steel flanges; A steel flange small column assembly mechanism (4) is used to assemble the small column on the steel flange; The steel flange positioning mechanism (5) is used to position the steel flange after the small column is assembled; An injection molding machine (6), used for injection molding the steel flange; A material head shearing mechanism (7) is used to shear the material head of the steel flange; A guide post shearing mechanism (8) for shearing the guide post of the steel flange; A trimming machine (9) is used to trim and round the inner circle of the steel flange; Palletizing tray (10) for steel flanges; The depalletizing pallet (2), the steel flange small column assembly mechanism (4), the steel flange positioning mechanism (5), the injection molding machine (6), the material head shearing mechanism (7), the guide column shearing mechanism (8), the trimming machine (9) and the stacking pallet (10) are arranged counterclockwise on the outside of the handling robot (1), and the handling robot (1) sequentially handles the steel flange from the depalletizing pallet (2), the steel flange small column assembly mechanism (4), the steel flange positioning mechanism (5), the injection molding machine (6), the material head shearing mechanism (7), the guide column shearing mechanism (8), the trimming machine (9) and the stacking pallet (10).

2. The flange automatic production line according to claim 1, characterized in that: A 3D visual inspection mechanism (3) is arranged on one side of the depalletizing tray (2). The 3D visual inspection mechanism (3) comprises a 3D camera (301) and a hollow rotating platform (302). The 3D camera (301) is arranged on the hollow rotating platform (302). The 3D visual inspection mechanism (3) cooperates with the handling robot (1) to complete the depalletizing and grasping of the steel flange.

3. The flange automatic production line according to claim 1, characterized in that: The steel flange small column assembly mechanism (4) comprises a steel flange loading and unloading mechanism (401), a photographing mechanism (402), a gripping mechanism (403), a small column assembly mechanism (404), a small column feeding mechanism (405) and a small column loading mechanism (406). The steel flange loading and unloading mechanism (401) is used to place the steel flange, the steel flange is gripped by the gripping mechanism (403), a steel flange space on the gripping mechanism (403) is photographed by the photographing mechanism (402), the steel flange is rotated by the gripping mechanism (403) so that the steel flange hole is aligned with the hole of the small column assembly mechanism (404), the small column is placed on the small column assembly mechanism (404) by the small column feeding mechanism (405) and the small column loading mechanism (406), and the gripping mechanism (403) places the steel flange on the small column assembly mechanism (404) to assemble the small column.

4. The flange automatic production line according to claim 3, characterized in that: The steel flange positioning mechanism (5) comprises an adjustable clamping air claw, through which the steel flange is positioned.

5. The flange automatic production line according to claim 1, characterized in that: The material cutting mechanism (7) comprises a pneumatic scissors (701) and a material collecting tray (702), wherein the material collecting tray (702) is arranged below the pneumatic scissors (701), and the pneumatic scissors (701) is arranged on a rotating platform.

6. The flange automatic production line according to claim 1, characterized in that: The guide post shearing mechanism (8) comprises a loading station (801), a moving mechanism (802) and a shearing device (803); the loading station (801) can clamp the steel flange; the moving mechanism (802) can drive the shearing device (803) to move, and the guide post is sheared by the shearing device (803).

7. The flange automatic production line according to claim 6, characterized in that: The shears of the shearing device (803) are provided with baffles on both sides to prevent splashing of the sheared guide posts.

8. The flange automatic production line according to claim 1, characterized in that: The trimming machine (9) comprises a product clamping device (901), a product pressing device (902) and a trimming mechanism (903). The steel flange is fixed by the product clamping device (901) and the product pressing device (902), and the inner circle of the steel flange is trimmed and chamfered by the trimming mechanism (903).

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