A high-precision bending processing equipment for steel plates

Abstract

The application discloses a kind of steel plate high-precision bending processing equipment, belong to metal processing equipment technical field, including pedestal and steel plate body, pedestal is equipped with the feeding assembly including heat treatment component, bending mechanism and thermal imaging camera.The application can realize gradient preheating and synchronous turnover heating to two bending points of steel plate body in the process of sliding table conveying by integrating heating coil on the turnover lever of feeding assembly, improve continuous production efficiency, by setting bias rolling bending component, using core rolling down combined with lever principle, make steel plate body in bending groove gradually large curvature radius pre-bending, disperse concentrated stress, by the synergistic effect of heat treatment component and thermal imaging camera, carry out temperature field scanning to the bending area of steel plate body under the state of residual heat, based on the characteristics that crack site radiates faster, carry out real-time crack identification, realize processing and quality detection synchronization.

Description

Technical Field

[0001] This invention relates to the field of metal processing equipment technology, and in particular to a high-precision bending processing equipment for steel plates. Background Technology

[0002] Z-shaped bent steel plate workpieces are widely used in the fields of machinery manufacturing and structural components due to their good structural strength and spatial layout adaptability. These workpieces usually require two vertical bends, and stress concentration is prone to occur in the intermediate transition area. Especially when the material is thick or has high strength, microcracks are easily formed on the outside of the bend, which affects the fatigue life and load-bearing performance of the workpiece. At present, the bending of Z-shaped workpieces is mostly formed in steps using a general bending machine. The first bend is completed first, and then the workpiece is flipped over by manual or robotic arm for the second bend.

[0003] Existing cold bending processes suffer from large springback and difficulty in controlling forming precision when forming materials such as high-strength steel. They are also prone to cracking on the outer surface of the bend due to insufficient material ductility. Furthermore, there is a lack of means to detect crack defects in real time and online during the bending process. Offline detection is usually required after bending, resulting in low production efficiency.

[0004] To improve bending quality, existing bending equipment often uses flame or infrared heaters to preheat the bending area as a whole. However, this preheating method cannot accurately process the second bending point while the first bending point is being processed, making it difficult to meet the requirements of efficient continuous processing of Z-shaped workpieces.

[0005] To address these issues, a high-precision steel plate bending processing equipment is proposed. Summary of the Invention

[0006] The purpose of this invention is to solve the problems of low processing and inspection efficiency and high risk of stress cracking in the processing of Z-shaped workpieces in the prior art, and to propose a high-precision bending processing equipment for steel plates.

[0007] To achieve the above objectives, the present invention adopts the following technical solution:

[0008] A high-precision steel plate bending processing equipment includes a base and a steel plate body. The base is characterized by having a feeding assembly, a discharge chute and a thermal imaging camera on its surface. The output end of the feeding assembly is provided with a bending mechanism, and the discharge chute is located at the output end of the bending mechanism.

[0009] The feeding assembly includes a pusher track, a belt drive mechanism on the outer side wall of the pusher track, a slide on the pusher track, the side wall of the slide being fixedly connected to the drive belt in the belt drive mechanism, multiple lifting cylinders on both sides inside the slide, a lifting platform at the output end of the lifting cylinder, a mounting seat and a power supply on the surface of the lifting platform, a flipping rod inside the mounting seat, an adsorption component and a flipping motor at the end of the flipping rod, and a heat treatment component on the outer side wall of the flipping rod.

[0010] The bending mechanism includes a limiting slide rod and a bending table installed on the base surface. A support plate is fixedly connected to the end of the limiting slide rod. A bending push cylinder is provided above the support plate. The output end of the bending push cylinder passes through the support plate and is connected to a pressure plate. An offset rolling bending assembly is provided at the bottom of the pressure plate.

[0011] Preferably, the mounting base is rotatably connected to the end of the flipping rod, and the mounting base has a gap to expose the outer wall of the middle section of the flipping rod.

[0012] Preferably, the heat treatment assembly includes a fixed sleeve mounted on the outer wall of the flipping rod, an adjusting push cylinder is mounted on the outer wall of the fixed sleeve, and a heating coil is provided at the output end of the adjusting push cylinder, the heating coil being electrically connected to a power source.

[0013] Preferably, the heating coil includes a connector and a bent portion. The bent portion is located above and below the steel plate body and does not contact the steel plate body. The heating coil is fixedly connected to the output end of the adjusting push cylinder through the connector, and the bent portion makes the heating coil form a U-shaped semi-enclosed shape relative to the bending area of ​​the steel plate body.

[0014] Preferably, the adsorption assembly includes a bracket, the end of which is fixedly connected to the end of the flipping rod away from the flipping motor, the upper surface of which is aligned with the central axis of the flipping rod, and the upper surface of which is provided with four vacuum suction cups arranged in a rectangular array.

[0015] Preferably, the upper end of the bending table away from the push track is machined with rounded corners.

[0016] Preferably, the offset rolling bending assembly includes a mounting block and a core. The top of the mounting block is fixedly connected to a pressure plate. A rotating groove and an auxiliary pressure block are provided below the mounting block. Limiting plates are fixedly installed on both sides of the mounting block corresponding to the core. A slide rail is provided on the inner side wall of the rotating groove. The auxiliary pressure block is located at the front end of the core. The top of the auxiliary pressure block passes through the pressure plate and is connected to a limiting push cylinder.

[0017] Preferably, the outer arc-shaped wall of the core is fixedly connected to an arc-shaped slide bar that matches the slide rail. The core is rotatably connected to the slide rail via the arc-shaped slide bar and rotates within a rotating groove. The outer plane wall of the core is fixedly connected to a limiting protrusion and a connecting protrusion. An offset bending groove is formed at a right angle below the core. The limiting protrusion is aligned with a limiting piece. The connecting protrusion is away from the limiting protrusion. A return spring is provided on the surface of the connecting protrusion. The ends of the return spring are rotatably connected to the outer walls of the connecting protrusion and the mounting block, respectively.

[0018] Preferably, the thermal imaging camera is mounted on the base surface at the end away from the bending mechanism, and the lens of the thermal imaging camera is aligned with the output end of the bending mechanism.

[0019] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0020] 1. This invention integrates the heating coil onto the flipping rod of the feeding assembly, and works in conjunction with the slide conveyor to achieve tiered preheating and synchronous flipping heating of the two bending points of the Z-shaped workpiece. While the first bending point is being bent, the second bending point can be preheated, which improves the efficiency of continuous production and ensures the precise correspondence between the preheating position and the bending area, effectively improving the formability of the material.

[0021] 2. By setting up an offset rolling bending component, the present invention utilizes the rolling downward movement of the core and the lever principle to make the steel plate undergo a gradual pre-bending process with a large radius of curvature in the bending groove, thereby effectively dispersing the concentrated stress in the bending point area, significantly reducing the risk of micro-cracks in high-strength steel and other materials during bending, and improving the bending forming accuracy and workpiece quality.

[0022] 3. This invention utilizes the synergistic effect of heat treatment components and thermal imaging cameras, taking advantage of the principle that changes in heat conduction characteristics at cracks lead to faster heat dissipation. Immediately after bending, the temperature field of the bending area, which is still in a residual heat state, is scanned. This enables real-time, non-contact identification of microscopic crack defects that are difficult to detect with the naked eye, achieving simultaneous processing and quality judgment, and forming a closed-loop quality control. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the belt drive mechanism in a high-precision steel plate bending processing equipment proposed in this invention;

[0024] Figure 2 This is a schematic diagram of the overall structure of a high-precision steel plate bending processing equipment proposed in this invention;

[0025] Figure 3 This is a structural assembly drawing of the feeding assembly in a high-precision steel plate bending processing equipment proposed in this invention;

[0026] Figure 4 This is a schematic diagram showing the state of the adsorption component and the heat treatment component in the high-precision steel plate bending processing equipment proposed in this invention during the flipping process.

[0027] Figure 5 This is an exploded view of the adsorption component and heat treatment component in a high-precision steel plate bending processing equipment proposed in this invention;

[0028] Figure 6 This is a schematic diagram of the internal structure of the pressure plate in a high-precision steel plate bending processing equipment proposed in this invention;

[0029] Figure 7 for Figure 6 Enlarged view of point A in the middle;

[0030] Figure 8 This is a schematic diagram of the offset rolling bending component in the bending state of a high-precision steel plate bending processing equipment proposed in this invention;

[0031] Figure 9 This is an assembly diagram of the offset rolling bending component in a high-precision steel plate bending processing equipment proposed in this invention.

[0032] In the diagram: 1. Base; 101. Discharge chute; 2. Steel plate body; 3. Thermal imaging camera; 4. Pushing track; 5. Belt drive mechanism; 6. Slide table; 7. Lifting cylinder; 8. Lifting platform; 9. Mounting seat; 10. Power supply; 11. Tilting rod; 12. Fixing sleeve; 13. Adjusting cylinder; 14. Heating coil; 1401. Bending section; 15. Bending table; 16. Bending cylinder; 17. Pressure plate; 18. Connecting piece; 19. Bracket; 20. Vacuum suction cup; 21. Mounting block; 22. Core; 2201. Limiting protrusion; 2202. Connecting protrusion; 23. Auxiliary pressure block; 24. Slide rail; 25. Limiting cylinder; 26. Arc-shaped slide bar; 27. Return spring. Detailed Implementation

[0033] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative effort are within the scope of protection of the present invention.

[0034] In the description of this invention, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0035] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0036] Example, refer to Figures 1 to 9 A high-precision steel plate bending processing equipment includes a base 1 and a steel plate body 2. The surface of the base 1 is provided with a feeding assembly, a discharge chute 101 and a thermal imaging camera 3. The output end of the feeding assembly is provided with a bending mechanism, and the discharge chute 101 is opened at the output end of the bending mechanism.

[0037] The feeding assembly includes a pusher rail 4. The outer wall of the pusher rail 4 is provided with a belt drive mechanism 5 that provides power for the movement of the slide table 6. The slide table 6 is provided on the pusher rail 4. The side wall of the slide table 6 is fixedly connected to the drive belt in the belt drive mechanism 5. The slide table 6 is driven to move back and forth along the pusher rail 4 by the forward and reverse rotation of the belt. Multiple lifting cylinders 7 are provided on both sides inside the slide table 6. The output end of the lifting cylinder 7 is provided with a lifting platform 8. The surface of the lifting platform 8 is provided with a mounting seat 9 and a power supply 10. The lifting platform 8 compensates for the distance required for the steel plate body 2 to flip by rising. The mounting seat 9 is provided with a flipping rod 11. The end of the flipping rod 11 is provided with an adsorption component and a flipping motor respectively. The outer wall of the flipping rod 11 is provided with a heat treatment component.

[0038] The bending mechanism includes a limiting slide rod and a bending table 15 mounted on the surface of the base 1. A support plate is fixedly connected to the end of the limiting slide rod. A bending push cylinder 16 is provided above the support plate to provide the pressure required for bending. The output end of the bending push cylinder 16 passes through the support plate and is connected to a pressure plate 17. An offset rolling bending assembly is provided at the bottom of the pressure plate 17.

[0039] Furthermore, the mounting base 9 is rotatably connected to the end of the flipping rod 11. The mounting base 9 has a gap, which neither hinders the rotation of the flipping rod 11 nor prevents the middle section of the flipping rod 11 from being exposed for mounting the heat treatment assembly.

[0040] Furthermore, the heat treatment assembly includes a fixed sleeve 12 installed on the outer wall of the flipping rod 11. An adjusting push cylinder 13 is installed on the outer wall of the fixed sleeve 12 to control the position of the heating coil 14. The output end of the adjusting push cylinder 13 is provided with the heating coil 14, which is electrically connected to a power source for local heat treatment of the steel plate body 2.

[0041] Furthermore, the heating coil 14 includes a connector 18 and a bending portion 1401. The bending portion 1401 is located above and below the steel plate body 2 and does not contact the steel plate body 2. Heat treatment of the steel plate is achieved through induction heating. The heating coil 14 is fixedly connected to the output end of the adjusting push cylinder 13 through the connector 18. The bending portion 1401 makes the heating coil 14 form a U-shaped semi-enclosed shape relative to the bending area of ​​the steel plate body 2, which neither obstructs the steel plate conveying nor obstructs the upper and lower surfaces of the bending area to achieve uniform heating.

[0042] It should be noted that if there is a crack in the bending area, the continuity of the metal at the crack is interrupted. Due to the obstruction of heat conduction, the crack will cool down faster than the surrounding normal area during the heat dissipation stage, and will eventually appear as a clear low-temperature spot in the thermal imaging image.

[0043] The further advantage of the above approach is that, through the coordinated operation of the heating coil 14 and the thermal imaging camera 3, during the feeding process, the adjusting cylinder 13 first pushes the heating coil 14 to the first bending position of the steel plate body 2, and uses the heating coil 14 to heat this area. After heating is completed, during the process of the slide table 6 transporting the steel plate body 2 to the processing area, the adjusting cylinder 13 moves again to move the heating coil 14 to the second bending position of the steel plate body 2. This achieves the simultaneous bending processing at the first bending point and preheating treatment at the second bending point. After the steel plate completes the first bending, the thermal imaging camera 3 detects the temperature distribution at the first bending point. If there are micro-cracks in this area, the cracks will show as low-temperature anomalies due to changes in thermal conductivity, thereby achieving real-time identification and judgment of bending defects.

[0044] Furthermore, the adsorption assembly includes a bracket 19 for supporting the vacuum suction cups 20. The end of the bracket 19 is fixedly connected to the end of the flipping rod 11 away from the flipping motor. The upper surface of the bracket 19 is aligned with the central axis of the flipping rod 11. The upper surface of the bracket 19 is provided with four vacuum suction cups 20 arranged in a rectangular array to ensure that the position of the steel plate body 2 after flipping is consistent with that before flipping, so as to firmly adsorb the steel plate body 2.

[0045] It should be noted that the vacuum suction cup 20 needs to be connected to an air source in the prior art.

[0046] Furthermore, the upper end of the bending table 15 away from the push track 4 is machined into a rounded corner to assist the offset rolling bending assembly in bending the steel plate body 2, while avoiding scratching the surface of the steel plate during the bending process.

[0047] Furthermore, the offset rolling bending assembly includes a mounting block 21 and a core 22. The top of the mounting block 21 is fixedly connected to the pressure plate 17. The lower part of the mounting block 21 is provided with a rotating groove for accommodating the movement of the core 22 and an auxiliary pressure block 23 for auxiliary positioning of the steel plate body 2. Limiting plates are fixedly installed on both sides of the mounting block 21 corresponding to the core 22 to limit the rotation angle of the core 22. The inner sidewall of the rotating groove is provided with a slide rail 24 for guiding the rotation of the core 22. The auxiliary pressure block 23 is located at the front end of the core 22 and can press the steel plate to prevent displacement. The top of the auxiliary pressure block 23 passes through the pressure plate 17 and is connected to a limiting push cylinder 25.

[0048] It should be noted that the core 22 uses the center of the arc-shaped slide bar 26 as the lever fulcrum during operation.

[0049] The further advantage of adopting the above is that by setting an auxiliary pressure block 23 independently controlled by the limit push cylinder 25, the steel plate body 2 can be pressed before the bending begins, effectively preventing it from shifting or warping during the subsequent bending process, thus ensuring the accuracy of the bending position.

[0050] Furthermore, the outer arc-shaped wall of the core 22 is fixedly connected to an arc-shaped slide bar 26 that matches the slide rail 24. The core 22 is rotatably connected to the slide rail 24 through the arc-shaped slide bar 26 and rotates in the rotation groove, which can ensure that the core 22 rotates along a predetermined trajectory. The outer plane wall of the core 22 is fixedly connected to a limiting protrusion 2201 and a connecting protrusion 2202. The bottom of the core 22 is provided with an offset bending groove at a right angle to form a bending edge at a specific angle. The limiting protrusion 2201 is aligned with the limiting piece. The limiting piece blocks the limiting protrusion 2201 to ensure that the initial position of the core 22 is accurate. The connecting protrusion 2202 is away from the limiting protrusion 2201. The surface of the connecting protrusion 2202 is provided with a return spring 27. The ends of the return spring 27 are rotatably connected to the outer walls of the connecting protrusion 2202 and the mounting block 21, respectively, so that the core 22 can automatically return to its original position after bending.

[0051] The further advantage of the above is that, during the bending process, the two ends of the bending groove first contact the steel plate body 2. As the pressure plate 17 moves downward, the end of the bending groove located above the bending table 15 is blocked by the table surface and cannot move further down. The core 22 rotates under the leverage effect, overcoming the tension of the return spring 27. In the initial stage of rotation, the end of the core 22 that was originally away from the bending table 15 gradually presses against the steel plate and applies a load. At this time, a progressive bending deformation is formed in the section between the bending point and the pressure point of the steel plate. This bending area can effectively disperse the stress concentration at the bending point, making the overall bending process smoother and avoiding cracks in the steel plate due to excessive stress. As the pressure plate 17 continues to press down, the core 22 continues to rotate, and finally the right-angle structure in the bending groove forms the steel plate.

[0052] Furthermore, the thermal imaging camera 3 is mounted on the surface of the base 1 at the end away from the bending mechanism, and the lens of the thermal imaging camera 3 is aligned with the output end of the bending mechanism;

[0053] When using this invention, the worker or the feeding equipment places the steel plate body 2 on the surface of the bracket 19 and then turns on the equipment. After the equipment is turned on, the steel plate body 2 is first firmly adsorbed by the four vacuum suction cups 20 arranged in a rectangular array in the adsorption component. The belt drive mechanism 5 drives the slide table 6 to move along the push track 4 towards the bending mechanism. During the conveying process, the push cylinder 13 is adjusted to control the movement of the heating coil 14. First, the heating coil 14 is positioned at the first bending point of the steel plate body 2 for local induction heating. During the continued conveying process of the slide table 6, the push cylinder 13 is adjusted to move the heating coil 14 to the second bending point for preheating treatment, so as to realize multi-station stepped heating.

[0054] When the steel plate enters the bending station, the limit push cylinder 25 takes the lead in action, driving the auxiliary pressure block 23 to press the steel plate body 2 to prevent it from shifting or warping during the bending process. Then, the bending push cylinder 16 drives the pressure plate 17 and the offset rolling bending assembly to press down. Through the rolling and rotating motion of the core 22, the steel plate is gradually formed in the bending groove, effectively dispersing the bending stress. After the bending is completed, the thermal imaging camera 3 immediately detects the temperature distribution of the formed bending area. By identifying the temperature abnormal area, it is determined whether there are micro-crack defects, and the system marks them. The above bending process will not be described in detail below.

[0055] After completing one bend, the lifting cylinder 7 lifts the lifting platform 8 according to the program settings to compensate for the height change distance required when the steel plate body 2 is flipped. Then, the flipping motor drives the flipping rod 11 to rotate 180° to complete the flipping action of the steel plate body 2. During this process, since the connecting piece 18 is fixedly connected to the outer wall of the flipping rod 11, the heat treatment component can achieve synchronous flipping and continuously heat the second bending point. After the flipping is completed, the adjusting cylinder 13 is reset, and the slide table 6 continues to transport the second bending point of the steel plate body 2 to the bending station for bending.

[0056] After processing is completed, the bending push cylinder 16 drives the pressure block to reset, and the reset spring 27 pulls the core 22 to reset until the limit protrusion 2201 abuts against the limit piece to complete the positioning. After bending, the steel plate body 2 forms a Z-shaped workpiece. The Z-shaped workpiece falls into the discharge chute 101 under the action of gravity and is discharged by the conveyor belt in the prior art. If a jamming phenomenon occurs, the stuck Z-shaped workpiece will be pushed out by the next steel plate body 2 at the beginning of the next processing flow.

[0057] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A high-precision steel plate bending processing equipment, comprising a base (1) and a steel plate body (2), characterized in that, The surface of the base (1) is provided with a feeding assembly, a discharge chute (101) and a thermal imaging camera (3). The output end of the feeding assembly is provided with a bending mechanism, and the discharge chute (101) is opened at the output end of the bending mechanism. The feeding assembly includes a pusher track (4), the outer side wall of the pusher track (4) is provided with a belt drive mechanism (5), the pusher track (4) is provided with a slide (6), the side wall of the slide (6) is fixedly connected to the drive belt in the belt drive mechanism (5), the two sides inside the slide (6) are provided with multiple lifting cylinders (7), the output end of the lifting cylinder (7) is provided with a lifting platform (8), the surface of the lifting platform (8) is provided with a mounting seat (9) and a power supply (10), the mounting seat (9) is provided with a flipping rod (11), the end of the flipping rod (11) is provided with an adsorption component and a flipping motor respectively, and the outer side wall of the flipping rod (11) is provided with a heat treatment component; The heat treatment assembly includes a fixed sleeve (12) installed on the outer wall of the flipping rod (11), and an adjusting push cylinder (13) is installed on the outer wall of the fixed sleeve (12). The output end of the adjusting push cylinder (13) is provided with a heating coil (14), and the heating coil (14) is electrically connected to a power source. The heating coil (14) includes a connector (18) and a bending part (1401). The bending part (1401) is located above and below the steel plate body (2) and does not contact the steel plate body (2). The heating coil (14) is fixedly connected to the output end of the adjusting push cylinder (13) through the connector (18). The bending part (1401) makes the heating coil (14) form a U-shaped semi-enclosed shape relative to the bending area of ​​the steel plate body (2). The bending mechanism includes a limiting slide rod and a bending table (15) installed on the surface of the base (1). The end of the limiting slide rod is fixedly connected to a support plate. A bending push cylinder (16) is provided above the support plate. The output end of the bending push cylinder (16) passes through the support plate and is connected to a pressure plate (17). An offset rolling bending assembly is provided at the bottom of the pressure plate (17). The offset rolling bending assembly includes a mounting block (21) and a core (22). The top of the mounting block (21) is fixedly connected to the pressure plate (17). A rotating groove and an auxiliary pressure block (23) are provided below the mounting block (21). Limiting plates are fixedly installed on both sides of the mounting block (21) corresponding to the core (22). A slide rail (24) is provided on the inner side wall of the rotating groove. The auxiliary pressure block (23) is located at the front end of the core (22). The top of the auxiliary pressure block (23) passes through the pressure plate (17) and is connected to a limit push cylinder (25). The outer arc-shaped sidewall of the core (22) is fixedly connected to the arc-shaped slide bar (26) of the matching slide rail (24). The core (22) is rotatably connected to the slide rail (24) through the arc-shaped slide bar (26) and rotates in the rotation groove. The outer plane sidewall of the core (22) is fixedly connected to the limiting protrusion (2201) and the connecting protrusion (2202). The lower part of the core (22) is provided with an offset bending groove at a right angle. The limiting protrusion (2201) is aligned with the limiting piece. The connecting protrusion (2202) is away from the limiting protrusion (2201). The surface of the connecting protrusion (2202) is provided with a return spring (27). The end of the return spring (27) is rotatably connected to the outer sidewall of the connecting protrusion (2202) and the mounting block (21) respectively.

2. The high-precision steel plate bending processing equipment according to claim 1, characterized in that, The mounting base (9) is rotatably connected to the end of the flipping rod (11), and the mounting base (9) has a gap to expose the outer wall of the middle section of the flipping rod (11).

3. The high-precision steel plate bending processing equipment according to claim 1, characterized in that, The adsorption assembly includes a bracket (19), the end of which is fixedly connected to the end of the flipping rod (11) away from the flipping motor. The upper surface of the bracket (19) is aligned with the central axis of the flipping rod (11). The upper surface of the bracket (19) is provided with four vacuum suction cups (20) arranged in a rectangular array.

4. The high-precision steel plate bending processing equipment according to claim 1, characterized in that, The upper end of the bending table (15) away from the push track (4) is machined to have rounded corners.

5. The high-precision bending equipment for steel plates according to claim 1, characterized in that, The thermal imaging camera (3) is mounted on the surface of the base (1) at one end away from the bending mechanism, and the lens of the thermal imaging camera (3) is aligned with the output end of the bending mechanism.

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