A steel structure polishing device with a clamping structure

Abstract

The present invention belongs to the technical field of steel structure processing, and in particular, a steel structure polishing device with a clamping structure. An overly large operating table will affect the polishing operation, and an overly small operating table will make it difficult to effectively support the disc-shaped steel structure, resulting in bending or deformation of the edge of the steel structure. The following scheme is proposed, including a bottom plate, a base is arranged above the bottom plate, and a support column is fixedly connected to the upper side of the base, and a workbench is fixedly connected to the upper end of the support column. A steel structure polishing device with a clamping structure disclosed by the present invention can freely adjust the size of the operating table according to the specifications of the disc-shaped steel structure to be polished by using an adjustable adaptive support component, so as to ensure that the lower side of the disc-shaped steel structure can always be effectively supported during the polishing operation, and prevent the edge of the disc-shaped steel structure from bending or deforming due to the downward pressure during the polishing operation, thereby ensuring the overall quality of the disc-shaped steel structure after processing.

Description

Technical Field

[0001] The invention relates to the technical field of steel structure processing, and in particular to a steel structure polishing device with a clamping structure. Background Art

[0002] Polishing refers to a processing method that uses mechanical, chemical or electrochemical effects to reduce the surface roughness of a workpiece to obtain a bright and smooth surface. It is a modification process on the workpiece surface using polishing tools and abrasive particles or other polishing media. Polishing cannot improve the dimensional accuracy or geometric shape accuracy of the workpiece, but aims to obtain a smooth surface or mirror gloss, and is sometimes used to eliminate gloss.

[0003] The polishing operation of steel structures is carried out on an operating table through polishing equipment. In the actual processing process, the specifications of disc-shaped steel structures are different. An operating table that is too large will affect the polishing operation, and an operating table that is too small will make it difficult to effectively support the disc-shaped steel structures, causing the edges of the steel structures to bend or deform. Summary of the invention

[0004] The present invention discloses a steel structure polishing device with a clamping structure, aiming to solve the technical problem in the background technology that an overly large operating table affects the polishing operation, while an overly small operating table makes it difficult to effectively support the disc-shaped steel structure, resulting in bending or deformation of the edge of the steel structure.

[0005] The present invention proposes a steel structure polishing device with a clamping structure, which includes a bottom plate, a base is arranged above the bottom plate, and a support column is fixedly connected to the upper side of the base, the upper end of the support column is fixedly connected to a workbench, and an external ring is arranged on the outside of the workbench, the outside of the support column is fixedly connected to a retaining seat, the retaining seat is located below the workbench, and a bottom support ring is arranged on the outside of the retaining seat, the bottom support ring is located directly below the external ring, a displacement cavity is opened on the support column, the cross-section of the displacement cavity is rectangular, and an adaptive support component is arranged on the outside of the support column.

[0006] By providing a bottom plate, a base, a support column, a workbench, an external ring, a retaining seat, a bottom support ring, a shift cavity and an adaptive support component, the device can freely adjust the size of the operating table according to the specifications of the disc-shaped steel structure to be polished using an adjustable adaptive support component to ensure that the lower side of the disc-shaped steel structure can always be effectively supported during the polishing operation, preventing the edge of the disc-shaped steel structure from bending and deforming due to the downward pressure during the polishing operation, thereby ensuring the overall quality of the disc-shaped steel structure after processing.

[0007] In a preferred embodiment, the cross-section of the retaining seat is set to be a rectangle with a circular perforation in the middle, and four circumferentially equidistant rectangular grooves are provided on the retaining seat, and connecting plates are fixedly connected to the inside of the four rectangular grooves, and the other ends of the four connecting plates are fixedly connected to the bottom support ring, and four circumferentially equidistant support frames are fixedly connected to the upper side of the bottom support ring, and the upper end of the support frame is fixedly connected to the lower side of the outer attached ring; the outside of the bottom support ring is fixedly connected to a plurality of circumferentially equidistant side attached plates, and two symmetrical sliding grooves are provided on the side attached plates, and symmetrical sliding grooves are provided on the inner walls on both sides of the displacement cavity, and a material retaining ring is provided between the workbench and the outer attached ring, and the material retaining ring is fixedly connected to the workbench and the outer attached ring, and an annular groove is provided on the material retaining ring, and an annular electromagnet is provided inside the annular groove.

[0008] By providing a material retaining ring and a ring-shaped electromagnet, the material retaining ring uses the magnetic force of the electromagnet to adsorb and fix the disc-shaped steel structure, preventing the disc-shaped steel structure from shifting during subsequent polishing operations and affecting the polishing operation. At the same time, the current magnetic effect of the electromagnet can facilitate the installation, fixation and removal of the disc-shaped steel structure, making the operation more convenient.

[0009] In a preferred embodiment, the adaptive support assembly includes an active seat and multiple movable support plates, the active seat is located outside the support column, an internal sliding seat is provided on the active seat, the internal sliding seat is movably connected to the inner wall sliding groove of the displacement cavity, and the multiple movable support plates are all located outside the outer ring, and the multiple movable support plates are equidistantly distributed around the circumference; the multiple movable support plates are respectively located above the multiple side attached plates, the lower sides of the multiple movable support plates are fixedly connected with a door-type support frame, the lower ends of the door-type support frames are fixedly connected with two symmetrical displacement seats, and the displacement seats on the multiple door-type support frames are respectively located on the multiple side attached plates. The attached plate is movably connected in the slide groove, and the lower sides of the two shift seats on the door-shaped support frame are fixedly connected with a bending frame, and the bending frame is located below the side attached plate; the movable seat is provided with a plurality of external grooves with equidistant circumference, and the external grooves are all rectangular, and a pulling rod is movably connected between the inner walls on both sides of the plurality of external grooves, and the other end of the pulling rod is located between the two bending frames on the same side, and the pulling rod is movably connected to the two bending frames, and the lower sides of the two bending frames on the same side are fixedly connected with the same vertical plate, and a reset spring is fixedly connected to one side of the vertical plate, and the other end of the reset spring is fixedly connected to the adjacent pulling rod.

[0010] By providing an adaptive support component, the adaptive support component utilizes a combination of multiple movable support plates and can be freely adjusted to expand or retract, so as to adapt to the support of disc-shaped steel structures of different specifications, ensuring that the edge of the disc-shaped steel structure will not be deformed due to the downward pressure of the polishing equipment during the polishing operation, thereby improving the overall processing effect of the disc-shaped steel structure.

[0011] In a preferred scheme, a threaded hole is provided in the middle of the inner slide, and a reversing motor is arranged inside the base, the output end of the reversing motor is connected with a screw through a coupling, the other end of the screw passes through the upper side of the base and the threaded hole of the inner slide and is movably connected to the inner wall of the top of the displacement cavity of the support column, and the screw and the threaded hole of the inner slide are rotationally connected through the inner wall thread; a turntable is fixedly connected to the lower side of the base, and the upper side of the bottom plate is fixedly connected to the base, a circular mounting groove is provided on the base, the turntable is located in the circular mounting groove of the base and is rotatably connected, and a gear ring is fixedly connected to the outside of the turntable, a mounting hole is provided on the base, and an adjusting motor is fixedly connected to the inside of the mounting hole, the output end of the adjusting motor is connected to a rotating shaft through a coupling, and the other end of the rotating shaft is fixedly connected to a driving gear, and the driving gear and the gear ring are meshed through tooth grooves.

[0012] By arranging an adjusting motor, a rotating seat and a bottom table, the adjusting motor is used to rotate the workbench so that various positions of the disc-shaped steel structure can be effectively polished.

[0013] In a preferred solution, a function box is fixedly connected to the upper side of the base platform, a top frame is arranged above the function box, a slide groove is provided on the top frame, an adjustment seat is movably connected inside the slide groove, an electric slide rail is arranged between the adjustment seat and the slide groove of the top frame, and a polishing machine is fixedly connected to the lower side of the adjustment seat, and the polishing machine is located above the workbench; a vertical slide groove is provided on the adjustment box, a back seat is movably connected inside the slide groove, the top frame and the back seat are fixedly connected, and a lifting seat is fixedly connected to the back seat, a hydraulic cylinder is provided inside the function box, and the telescopic end of the hydraulic cylinder is fixedly connected to the lower side of the lifting seat.

[0014] By providing a hydraulic cylinder, a back seat, an adjustment seat and a top frame, after the disc-shaped steel structure is placed, the position of the back seat is adjusted by using the hydraulic cylinder to enable the polishing machine to be in the polishing position of the disc-shaped steel structure; during the polishing operation, the electric slide rail drives the adjustment seat to move, changing the lateral position of the polishing machine, so that the surface of the disc-shaped steel structure can be effectively polished to avoid dead angles.

[0015] From the above, it can be seen that the steel structure polishing equipment with a clamping structure provided by the present invention has an adjustable adaptive support component that can freely adjust the size of the operating table according to the specifications of the disc-shaped steel structure to be polished, so as to ensure that the lower side of the disc-shaped steel structure can always be effectively supported during the polishing operation, and prevent the edge of the disc-shaped steel structure from bending and deforming due to the downward pressure during the polishing operation, thereby ensuring the overall quality of the disc-shaped steel structure after processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a steel structure polishing device with a clamping structure proposed by the present invention; Figure 2 A schematic side view of a steel structure polishing device with a clamping structure proposed by the present invention; Figure 3 A schematic diagram of the support column structure of a steel structure polishing device with a clamping structure proposed by the present invention; Figure 4 A schematic diagram of the bottom support ring structure of a steel structure polishing device with a clamping structure proposed by the present invention; Figure 5 A schematic diagram of the structure of an adaptive support assembly of a steel structure polishing device with a clamping structure proposed by the present invention; Figure 6 A schematic diagram of a rotary table structure of a steel structure polishing device with a clamping structure proposed by the present invention; Figure 7 This is a schematic diagram of the back seat structure of a steel structure polishing device with a clamping structure proposed by the present invention.

[0017] In the figure: 1, bottom plate; 2, base; 3, support column; 4, workbench; 5, external ring; 6, fixed seat; 7, bottom support ring; 8, shift cavity; 9, adaptive support assembly; 901, movable seat; 902, movable support plate; 903, internal sliding seat; 904, door-type support frame; 905, shift seat; 906, bending frame; 907, external groove; 908, pull rod; 909, vertical plate; 910, Return spring; 10. Connecting plate; 11. Support frame; 12. Side plate; 13. Reverse motor; 14. Lead screw; 15. Rotary table; 16. Bottom table; 17. Gear ring; 18. Adjustment motor; 19. Driving gear; 20. Function box; 21. Back seat; 22. Top frame; 23. Adjustment seat; 24. Polishing machine; 25. Lifting seat; 26. Hydraulic cylinder; 27. Material retaining ring; 28. Ring electromagnet. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0019] The present invention discloses a steel structure polishing device with a clamping structure, which is mainly used in the scenario where the operating table of the current polishing device cannot be adjusted according to the specifications of the disc-shaped steel structure to be polished.

[0020] Reference Figure 1-7A steel structure polishing equipment with a clamping structure includes a bottom plate 1, a base 2 is arranged above the bottom plate 1, and a support column 3 is connected to the upper side of the base 2 by bolts, the upper end of the support column 3 is connected to a workbench 4 by bolts, and an outer ring 5 is arranged on the outside of the workbench 4, a retaining seat 6 is connected to the outside of the support column 3 by bolts, the retaining seat 6 is located below the workbench 4, and a bottom support ring 7 is arranged on the outside of the retaining seat 6, and the bottom support ring 7 is located directly below the outer ring 5, a displacement cavity 8 is opened on the support column 3, the cross-section of the displacement cavity 8 is rectangular, and an adaptive support component 9 is arranged on the outside of the support column 3.

[0021] Specifically, the disc-shaped steel structure is placed on the workbench 4, and fixed after adjusting its position. The adaptive support component 9 is adjusted according to the specifications of the disc-shaped steel structure so that the edge of the disc-shaped steel structure is effectively supported. Then, the position of the polishing equipment is adjusted to polish the disc-shaped steel structure. The device uses the adjustable adaptive support component 9 to freely adjust the size of the operating table according to the specifications of the disc-shaped steel structure to be polished, so as to ensure that the lower side of the disc-shaped steel structure can always be effectively supported during the polishing operation, to prevent the edge of the disc-shaped steel structure from bending and deforming due to the downward pressure during the polishing operation, and to ensure the overall quality of the disc-shaped steel structure after processing.

[0022] Reference Figure 1 , Figure 2 , Figure 3 and Figure 4 The cross section of the retaining seat 6 is set as a rectangle with a circular perforation in the middle. Four circumferentially equidistant rectangular grooves are opened on the retaining seat 6. The interior of the four rectangular grooves is connected with a connecting plate 10 by bolts. The other ends of the four connecting plates 10 are connected to the bottom support ring 7 by bolts, and the upper side of the bottom support ring 7 is connected with four circumferentially equidistant support frames 11 by bolts. The upper end of the support frame 11 is connected to the lower side of the outer attached ring 5 by bolts; the outside of the bottom support ring 7 is connected with a plurality of circumferentially equidistant side plates 12 by bolts, and two symmetrical sliding grooves are opened on the side attached plates 12. Symmetrical sliding grooves are opened on the inner walls of both sides of the displacement cavity 8, and a material retaining ring 27 is arranged between the workbench 4 and the outer attached ring 5. The material retaining ring 27 is connected to the workbench 4 and the outer attached ring 5 by bolts. An annular groove is opened on the material retaining ring 27, and an annular electromagnet 28 is arranged inside the annular groove.

[0023] Specifically, the disc-shaped steel structure to be polished is placed on the workbench 4, its position is adjusted and then the remote switch of the annular electromagnet 28 is started. After the annular electromagnet 28 is energized, magnetic force is generated, and the disc-shaped steel structure is adsorbed and fixed; the material retaining ring 27 uses the magnetic force of the electromagnet to adsorb and fix the disc-shaped steel structure to prevent the disc-shaped steel structure from being displaced during subsequent polishing operations and affecting the polishing operation. At the same time, the current magnetic effect of the electromagnet can facilitate the installation, fixation and removal of the disc-shaped steel structure, making the operation more convenient.

[0024] Reference Figure 3 , Figure 4 and Figure 5 The adaptive support assembly 9 includes a movable seat 901 and a plurality of movable support plates 902. The movable seat 901 is located outside the support column 3. An internal sliding seat 903 is provided on the movable seat 901. The internal sliding seat 903 is slidably connected to the inner wall sliding groove of the displacement cavity 8, and the plurality of movable support plates 902 are all located outside the outer ring 5, and the plurality of movable support plates 902 are equidistantly distributed around the circumference; the plurality of movable support plates 902 are respectively located above the plurality of side attached plates 12, and the lower sides of the plurality of movable support plates 902 are all connected with a door-type support frame 904 by bolts, and the lower ends of the door-type support frames 904 are connected with two symmetrical displacement seats 905 by bolts, and the displacement seats 905 on the plurality of door-type support frames 904 are respectively located in the sliding grooves of the plurality of side attached plates 12 for sliding connection, and the door-type The lower sides of the two shift seats 905 on the support frame 904 are connected with bending frames 906 by bolts, and the bending frames 906 are located below the side attached plate 12; a plurality of circumferentially equidistant external grooves 907 are opened on the movable seat 901, and the external grooves 907 are all rectangular, and a pulling rod 908 is rotatably connected between the inner walls on both sides of the plurality of external grooves 907 through bearings, and the other end of the pulling rod 908 is located between the two bending frames 906 on the same side, and the pulling rod 908 is rotatably connected to the two bending frames 906 through bearings, and the lower sides of the two bending frames 906 on the same side are connected with the same vertical plate 909 by bolts, and a reset spring 910 is connected to one side of the vertical plate 909 by bolts, and the other end of the reset spring 910 is connected to the adjacent pulling rod 908 by bolts.

[0025] Specifically, the up and down movement of the movable seat 901 can directly or indirectly drive the lateral movement of the movable support plate 902, thereby realizing the expansion and retraction of the movable support plate 902, and adapting to the support of disc-shaped steel structures of different specifications. That is, when the specifications of the disc-shaped steel structure are larger than the support range of the workbench 4, the movable seat 901 moves upward, the angle between the pull rod 908 and the movable seat 901 becomes larger, the pull rod 908 deflects and pushes the movable support plate 902 away from the workbench 4, and multiple movable support plates 902 expand outward, and the edge of the disc-shaped steel structure is effectively supported; In a specific application scenario, the adaptive support assembly 9 is suitable for adjusting the range of the operating table according to the specifications of the disc-shaped steel structure to be polished, that is, the adaptive support assembly 9 utilizes a combination of multiple movable support plates 902, which can be freely adjusted to expand or retract, so as to adapt to the support of disc-shaped steel structures of different specifications, ensuring that the edge of the disc-shaped steel structure will not be deformed due to the downward pressure of the polishing equipment during the polishing operation, thereby improving the overall processing effect of the disc-shaped steel structure.

[0026] Reference Figure 1 , Figure 2 and Figure 6 A threaded hole is provided in the middle of the inner slide 903, and a reversing motor 13 is arranged inside the base 2. The output end of the reversing motor 13 is connected to a lead screw 14 through a coupling. The other end of the lead screw 14 passes through the upper side of the base 2 and the threaded hole of the inner slide 903 and is rotatably connected to the top inner wall of the displacement cavity 8 of the support column 3 through a bearing. The lead screw 14 and the threaded hole of the inner slide 903 are rotatably connected through the inner wall thread. The lower side of the base 2 is connected to a rotary table 15 by bolts, and the upper side of the bottom plate 1 The side is connected with a base 16 by bolts, and a circular mounting groove is provided on the base 16. The rotary table 15 is rotatably connected in the circular mounting groove of the base 16, and the outside of the rotary table 15 is connected with a gear ring 17 by bolts. A mounting hole is provided on the base 16, and an adjusting motor 18 is connected to the inside of the mounting hole by bolts. The output end of the adjusting motor 18 is connected with a rotating shaft through a coupling, and the other end of the rotating shaft is connected with a driving gear 19 by bolts, and the driving gear 19 is meshed with the gear ring 17 through teeth.

[0027] Specifically, the reversing motor 13 drives the lead screw 14 to rotate, and the movable seat 901 moves up and down in the displacement cavity 8 of the support column 3; during the polishing operation, the adjusting motor 18 drives the active gear 19 to engage the gear ring 17, the rotary table 15 rotates on the base 16, the base 2 rotates together with the workbench 4, and the placed disc-shaped steel structure rotates synchronously to achieve an overall polishing effect; the adjusting motor 18 is used to rotate the workbench 4 so that each position of the disc-shaped steel structure can be effectively polished.

[0028] Reference Figure 1 , Figure 2 and Figure 7A function box 20 is connected to the upper side of the base 16 by bolts, a top frame 22 is arranged above the function box 20, a slide groove is provided on the top frame 22, an adjusting seat 23 is slidably connected inside the slide groove, an electric slide rail is provided between the adjusting seat 23 and the slide groove of the top frame 22, and a polishing machine 24 is connected to the lower side of the adjusting seat 23 by bolts, and the polishing machine 24 is located above the workbench 4; a vertical slide groove is provided on the adjusting box, a back seat 21 is slidably connected inside the slide groove, the top frame 22 and the back seat 21 are connected by bolts, and a lifting seat 25 is connected to the back seat 21 by bolts, a hydraulic cylinder 26 is arranged inside the function box 20, and the telescopic end of the hydraulic cylinder 26 is connected to the lower side of the lifting seat 25 by bolts.

[0029] Specifically, after the disc-shaped steel structure is placed, the position of the back seat 21 is adjusted by using the hydraulic cylinder 26 so that the polishing machine 24 can be in the polishing position of the disc-shaped steel structure; during the polishing operation, the electric slide rail drives the adjustment seat 23 to move, changing the lateral position of the polishing machine 24, so that the surface of the disc-shaped steel structure can be effectively polished to avoid dead angles.

[0030] Working principle: When in use, the disc-shaped steel structure to be polished is placed on the workbench 4, its position is adjusted, and then the remote switch of the annular electromagnet 28 is started. After the annular electromagnet 28 is energized, magnetic force is generated, and the disc-shaped steel structure is adsorbed and fixed. According to the specifications of the disc-shaped steel structure, the adaptive support component 9 is adjusted (the movable seat 901 moves up and down to directly and indirectly drive the lateral movement of the movable support plate 902, thereby realizing the expansion and retraction of the movable support plate 902, and adapting to disc-shaped steel structures of different specifications The support of the component, that is, when the specification of the disc-shaped steel structure is larger than the support range of the workbench 4, the reversing motor 13 drives the lead screw 14 to rotate, the movable seat 901 moves upward in the displacement cavity 8 of the support column 3, the angle between the pull rod 908 and the movable seat 901 becomes larger, the pull rod 908 deflects and pushes the movable support plate 902 away from the workbench 4, and multiple movable support plates 902 expand outward, so that the edge of the disc-shaped steel structure is effectively supported; After the disc-shaped steel structure is placed, the position of the back seat 21 is adjusted by the hydraulic cylinder 26 so that the polishing machine 24 can be in the polishing position of the disc-shaped steel structure; during the polishing operation, the adjustment motor 18 drives the active gear 19 to engage the gear ring 17, the rotary table 15 rotates on the base 16, the base 2 rotates together with the workbench 4, and the placed disc-shaped steel structure rotates synchronously to achieve an overall polishing effect. At the same time, the electric slide rail drives the adjustment seat 23 to move, changing the lateral position of the polishing machine 24, so that the surface of the disc-shaped steel structure can be effectively polished to avoid dead angles.

[0031] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A steel structure polishing device with a clamping structure, comprising a base plate (1), characterized in that: A base (2) is arranged above the bottom plate (1), and a support column (3) is fixedly connected to the upper side of the base (2), the upper end of the support column (3) is fixedly connected to a workbench (4), and an external ring (5) is arranged outside the workbench (4), the outside of the support column (3) is fixedly connected to a retaining seat (6), the retaining seat (6) is located below the workbench (4), and a bottom support ring (7) is arranged outside the retaining seat (6), and the bottom support ring (7) is located directly below the external ring (5), a displacement cavity (8) is opened on the support column (3), the cross-section of the displacement cavity (8) is rectangular, and an adaptive support component (9) is arranged outside the support column (3).

2. The steel structure polishing device with a clamping structure according to claim 1, characterized in that: The cross section of the retaining seat (6) is arranged to be a rectangle with a circular perforation in the middle, and the retaining seat (6) is provided with four circumferentially equidistant rectangular grooves, the interiors of the four rectangular grooves are fixedly connected with connecting plates (10), the other ends of the four connecting plates (10) are fixedly connected to the bottom support ring (7), and the upper side of the bottom support ring (7) is fixedly connected with four circumferentially equidistant support frames (11), and the upper ends of the support frames (11) are fixedly connected to the lower side of the outer ring (5).

3. The steel structure polishing device with a clamping structure according to claim 2, characterized in that: The bottom support ring (7) is fixedly connected to the outside with a plurality of circumferentially equidistant side plates (12), each of which is provided with two symmetrical slide grooves, and the inner walls of both sides of the displacement cavity (8) are provided with symmetrical slide grooves, and a material retaining ring (27) is provided between the workbench (4) and the outer attached ring (5), and the material retaining ring (27) is fixedly connected to both the workbench (4) and the outer attached ring (5), and an annular groove is provided on the material retaining ring (27), and an annular electromagnet (28) is provided inside the annular groove.

4. The steel structure polishing device with a clamping structure according to claim 3, characterized in that: The adaptive support assembly (9) comprises a movable seat (901) and a plurality of movable support plates (902), wherein the movable seat (901) is located outside the support column (3), an internal sliding seat (903) is provided on the movable seat (901), the internal sliding seat (903) is movably connected to the inner wall sliding groove of the displacement cavity (8), and the plurality of movable support plates (902) are all located outside the outer ring (5), and the plurality of movable support plates (902) are equidistantly distributed around the circumference.

5. The steel structure polishing device with a clamping structure according to claim 4, characterized in that: The plurality of movable support plates (902) are respectively located above the plurality of side attached plates (12); the lower sides of the plurality of movable support plates (902) are fixedly connected to a door-shaped support frame (904); the lower ends of the door-shaped support frames (904) are fixedly connected to two symmetrical shift seats (905); the shift seats (905) on the plurality of door-shaped support frames (904) are respectively located in the slide grooves of the plurality of side attached plates (12) and are movably connected; the lower sides of the two shift seats (905) on the door-shaped support frames (904) are fixedly connected to a bending frame (906); the bending frame (906) is located below the side attached plate (12).

6. The steel structure polishing device with a clamping structure according to claim 5, characterized in that: The movable seat (901) is provided with a plurality of external grooves (907) with equal circumference distances, and the external grooves (907) are all rectangular in shape. A pulling rod (908) is movably connected between the inner walls on both sides of the plurality of external grooves (907), and the other end of the pulling rod (908) is located between two curved frames (906) on the same side. The pulling rod (908) is movably connected to the two curved frames (906), and the lower sides of the two curved frames (906) on the same side are fixedly connected to the same vertical plate (909), and a return spring (910) is fixedly connected to one side of the vertical plate (909), and the other end of the return spring (910) is fixedly connected to an adjacent pulling rod (908).

7. The steel structure polishing device with a clamping structure according to claim 3, characterized in that: A threaded hole is provided in the middle of the inner slide (903), and a reversing motor (13) is arranged inside the base (2). The output end of the reversing motor (13) is connected to a lead screw (14) via a coupling. The other end of the lead screw (14) passes through the upper side of the base (2) and the threaded hole of the inner slide (903) and is movably connected to the inner wall of the top of the displacement cavity (8) of the support column (3). The lead screw (14) and the threaded hole of the inner slide (903) are rotatably connected via the inner wall thread.

8. The steel structure polishing device with a clamping structure according to claim 1, characterized in that: A rotary table (15) is fixedly connected to the lower side of the base (2), and a base (16) is fixedly connected to the upper side of the bottom plate (1). A circular mounting groove is provided on the base (16), and the rotary table (15) is rotatably connected in the circular mounting groove of the base (16). A gear ring (17) is fixedly connected to the outside of the rotary table (15), and a mounting hole is provided on the base (16). An adjusting motor (18) is fixedly connected to the inside of the mounting hole. The output end of the adjusting motor (18) is connected to a rotating shaft via a coupling, and the other end of the rotating shaft is fixedly connected to a driving gear (19), and the driving gear (19) is meshed with the gear ring (17) via a tooth groove.

9. The steel structure polishing device with a clamping structure according to claim 1, characterized in that: The upper side of the base (16) is fixedly connected to a function box (20), a top frame (22) is arranged above the function box (20), a slide groove is provided on the top frame (22), an adjustment seat (23) is movably connected inside the slide groove, an electric slide rail is arranged between the adjustment seat (23) and the slide groove of the top frame (22), and a polishing machine (24) is fixedly connected to the lower side of the adjustment seat (23), and the polishing machine (24) is located above the workbench (4).

10. The steel structure polishing device with a clamping structure according to claim 9, characterized in that: The adjustment box is provided with a vertical slide groove, the interior of the slide groove is movably connected to a back seat (21), the top frame (22) is fixedly connected to the back seat (21), and the back seat (21) is fixedly connected to a lifting seat (25), and a hydraulic cylinder (26) is arranged inside the function box (20), and the telescopic end of the hydraulic cylinder (26) is fixedly connected to the lower side of the lifting seat (25).

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