Steel beam surface polishing and finishing device and machining method thereof

Abstract

The invention relates to the technical field of polishing, in particular to a steel beam surface polishing and finishing device and a machining method thereof.The steel beam surface polishing and finishing device comprises a main rack, a continuous conveying table, an auxiliary rack, an outer surface polishing part, an inner wall surface polishing part and a feeding assembly; the auxiliary rack is installed on the side edge of the main rack, the outer surface polishing part and the inner wall face polishing part are arranged on the surface of the auxiliary rack side by side, the feeding assembly is arranged at the end of the main rack and continuously conveys short steel beams, and the continuous conveying table continuously conveys the short steel beams transversely. The outer surface polishing part and the inner wall surface polishing part are used for polishing the short steel beam in the short steel beam conveying process, and the outer surface polishing part and the inner wall surface polishing part are used for polishing the exterior and the interior of the cut-off position of the short steel beam correspondingly, so that the cut-off position of the short steel beam is kept bright and clean, follow-up butt joint is facilitated, the polishing efficiency is improved, and the operation safety is improved.

Description

Technical Field

[0001] The invention relates to the technical field of polishing, and in particular to a steel beam surface polishing and finishing device and a processing method thereof. Background Art

[0002] Circular steel beam is a beam structure widely used in engineering structures. Its most notable feature is its circular cross section. This circular cross section makes the force performance of the steel beam more uniform in all directions. Compared with steel beams of other shapes, there is no obvious weak axis direction, and it can better withstand complex loads. Circular short steel beams are mainly used to reinforce the structure between steel beams. Usually, short steel beams of a certain specification are counted to obtain the total amount of circular short steel beams in the same batch, and then they are cut centrally. After cutting, the cut ends of the short steel beams need to be polished to obtain a smooth cross-section. Currently, the polishing of the cut surface mainly depends on manual operation by operators, which has low work efficiency and operational risks. Therefore, a steel beam surface polishing and finishing device and a processing method thereof are proposed. Summary of the invention

[0003] In order to solve the technical problems existing in the above-mentioned prior art, the present invention provides a steel beam surface polishing and finishing device and a processing method thereof.

[0004] In order to solve the above technical problems, the present invention provides the following technical solutions: a steel beam surface polishing and finishing device and a processing method thereof, comprising a main stand, a continuous conveying platform, an auxiliary stand, an outer surface polishing part, an inner wall surface polishing part and a feeding assembly; The continuous conveying platform is arranged on the surface of the main frame and along the surface of the main frame, the auxiliary frame is installed on the side of the main frame, the outer surface polishing part and the inner wall polishing part are arranged side by side on the surface of the auxiliary frame, and the feeding assembly is arranged at the end of the main frame. The feeding assembly continuously conveys the short steel beam, and the continuous conveying platform continuously conveys the short steel beam horizontally. The outer surface polishing part and the inner wall polishing part grind the short steel beam during the conveying process of the short steel beam.

[0005] Preferably, the continuous conveying table includes a table main body, a moving part, a vertical cylinder, a pneumatic clamp, a transverse cylinder and a grinding base. The table main body is installed on the surface of the main frame, the middle part of the table main body is hollowed out, the moving part is provided with a plurality of groups, and the plurality of groups of the moving parts are horizontally arranged at the hollowed-out edge of the table main body surface, the number of the vertical cylinders matches the number of the moving parts, the vertical cylinder is installed at the end position on one side of the moving part, the number of the pneumatic clamps matches the number of the vertical cylinders, the pneumatic clamps are arranged on the movable end surface of the vertical cylinder, the transverse cylinder is provided on one side of the table main body, the movable end of the transverse cylinder is connected to the outer wall of the moving part, and the grinding base is provided with a plurality of groups, and the plurality of groups of the grinding bases are arranged at equal intervals at the hollowed-out position in the middle of the table main body.

[0006] Preferably, the moving part includes a placement plate and a linkage plate, and several groups of the placement plates are arranged at equal intervals on the hollow edge of the surface of the table body. Several groups of linkage plates are provided, and several groups of linkage plates are respectively arranged between two adjacent groups of placement plates. Several groups of placement plates form a whole under the connection of the linkage plates.

[0007] Preferably, the spacing between two adjacent groups of grinding bases is half of the spacing between two adjacent groups of pneumatic clamps, the single movable distance of the transverse cylinder is consistent with the spacing between two adjacent groups of grinding bases, the first group of grinding bases among several groups of grinding bases arranged in the hollow position in the middle of the table body is located at the edge of the hollow position in the middle of the table body, and the vertical cylinder at the end of the moving part is arranged vertically corresponding to the first group of grinding bases.

[0008] Preferably, the outer surface polishing part includes a pedestal, a first motor, a transmission rod, a cleaning roller cover, a cleaning roller, a motor seat and a second motor. The pedestal is fixed to the middle part of the auxiliary pedestal by bolts, the first motor is installed at the end of the pedestal, the transmission rod is installed at the end of the polishing base, the polishing base is driven by the cooperation of the transmission rod and the first motor, the cleaning roller cover is installed on one side of the pedestal, the cleaning roller is arranged inside the cleaning roller cover through a bearing, the motor seat is installed on one side of the top of the cleaning roller cover, the second motor is installed inside the cleaning roller cover, and the output end of the second motor is connected to the cleaning roller by a belt.

[0009] Preferably, the inner wall polishing portion includes a slide rail seat, a motor frame, a third motor, a transmission shaft, a driven wheel and a polishing shaft. The slide rail seat is arranged on one side of the auxiliary platform, the motor frame is installed on one side of the slide rail seat surface, the third motor is installed on one end of the motor frame, the transmission shaft is installed on the other end of the motor frame, the driven wheel and the polishing shaft are respectively installed on both sides of the transmission shaft, and the driven wheel and the transmission shaft are connected by a belt.

[0010] Preferably, the inner wall polishing portion also includes a shielding plate, a cylinder seat and a clamping cylinder, the shielding plate is installed at the end of the slide rail seat, the cylinder seat is installed at the middle of the outer wall surface of the shielding plate, the cylinder seat corresponds to the setting position of the grinding base, and the clamping cylinder is fixed to the bottom end of the cylinder seat.

[0011] Preferably, a storage slot is provided at the end of the table top body, the width of the storage slot is consistent with the width of the short steel beam, and the height of the storage slot is lower than the bottom end of the auxiliary stand.

[0012] A processing method of a steel beam surface polishing and finishing device comprises the following steps: Step S1, adding a sufficient amount of truncated short circular steel beams to the feeding assembly, and stacking each group of short circular steel beams neatly in turn; Step S2, the feeding assembly pushes the first group of short circular steel beams into the grinding base at the front end of the table body; Step S3, the moving part is pushed by the lateral movement cylinder to move horizontally. During one lateral movement, the vertical cylinder on the moving part cooperates with the pneumatic clamp to clamp the short steel beam from the grinding base corresponding to the current group and move the short steel beam to the position corresponding to the next group of grinding bases; Step S4, when the short steel beam moves to the grinding base corresponding to the lower part of the outer surface polishing part, the first motor drives the grinding base to work, the grinding base rotates, and the outer part and the cut-off part of the short steel beam are ground, and the second motor drives the cleaning roller to rotate, and the cleaning roller cleans the surface of the short steel beam to remove grinding debris; Step S5, when the short steel beam is transferred from the auxiliary stand to the grinding base, the clamping cylinder at the end of the cylinder seat is extended, and the movable end of the clamping cylinder contacts the surface of the short steel beam to keep the surface of the short steel beam fixed, and the polishing shaft grinds and polishes the inside of the short steel beam to remove the burrs on the outside of the cut; Step S6, after the short steel beam is polished, the auxiliary frame is driven by the continuous reciprocating horizontal movement of the conveying table to move the short steel beam on the polishing base to the storage tank for temporary storage in the storage tank, or rolled and transported to the outside through the storage tank.

[0013] Preferably, in step S3 and step S6, during the continuous horizontal transportation of the short steel beams, the pneumatic clamp is inflated to clamp the short steel beams in the corresponding group of grinding bases, the vertical cylinder drives the pneumatic clamp to move upward, and the moving part is pushed by the transverse cylinder to move laterally, and the pneumatic clamp drives the short steel beam to move laterally to the lower group of grinding bases.

[0014] Compared with the prior art, the beneficial effects of the present invention are: The present invention is provided with a continuous conveying platform, an outer surface polishing part and an inner wall polishing part. The continuous conveying platform continuously conveys the short steel beam to the outer surface polishing part and the inner wall polishing part. The outer surface polishing part and the inner wall polishing part respectively polish the outer part and the inner part of the short steel beam cut-off part, so that the short steel beam cut-off part is kept smooth and clean, which is convenient for subsequent docking, improves polishing efficiency and improves operation safety. The present invention provides a storage tank, and after the short steel beam is polished, the short steel beam can be temporarily stored in the storage tank, or rolled and transported to the outside through the storage tank, so as to facilitate the storage and processing of the short steel beam. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention; Figure 2 It is a schematic diagram of a partial three-dimensional structure of the present invention; Figure 3 It is a schematic diagram of the structure of the material feeding assembly, the vertical cylinder and the pneumatic clamp of the present invention; Figure 4 It is a schematic diagram of the matching structure of the placement plate, linkage plate, vertical cylinder and pneumatic clamp of the present invention; Figure 5 It is a schematic diagram of the three-dimensional structure of the inner wall polishing part of the present invention; Figure 6 It is a schematic diagram of the three-dimensional structure of the outer surface polishing part of the present invention; Figure 7 It is a schematic diagram of the three-dimensional side structure of the outer surface polishing part of the present invention.

[0016] The numbers in the figure represent: 1. Main frame; 2. Continuous conveying table; 21. Table body; 22. Moving part; 221. Placement plate; 222. Linkage plate; 23. Vertical cylinder; 24. Pneumatic clamp; 25. Transverse cylinder; 26. Grinding base; 3. Auxiliary frame; 4. External surface polishing part; 41. Base; 42. First motor; 43. Transmission rod; 44. Cleaning roller cover; 45. Cleaning roller; 46. Motor seat; 47. Second motor; 5. Inner wall polishing part; 51. Slide rail seat; 52. Motor frame; 53. Third motor; 54. Transmission shaft; 55. Driven wheel; 56. Polishing shaft; 57. Shielding plate; 58. Cylinder seat; 59. Clamping cylinder; 6. Feeding assembly; 7. Storage tank. DETAILED DESCRIPTION

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments, but the following embodiments are merely preferred embodiments of the present invention and are not exhaustive. Example

[0018] like Figure 1 - Figure 7 As shown, the present invention provides a steel beam surface polishing and finishing device, comprising a main frame 1, a continuous conveying platform 2, an auxiliary frame 3, an outer surface polishing part 4, an inner wall surface polishing part 5 and a feeding assembly 6; The continuous conveying platform 2 is arranged on the surface of the main frame 1 and along the surface of the main frame 1, the auxiliary frame 3 is installed on the side of the main frame 1, the outer surface polishing part 4 and the inner wall polishing part 5 are arranged side by side on the surface of the auxiliary frame 3, the feeding assembly 6 is arranged at the end of the main frame 1, the feeding assembly 6 continuously conveys the short steel beam, the continuous conveying platform 2 continuously conveys the short steel beam horizontally, and the outer surface polishing part 4 and the inner wall polishing part 5 grind the short steel beam during the conveying process of the short steel beam.

[0019] The continuous conveying table 2 includes a table body 21, a moving part 22, a vertical cylinder 23, a pneumatic clamp 24, a transverse cylinder 25 and a grinding base 26. The table body 21 is installed on the surface of the main frame 1. The middle part of the table body 21 is hollowed out. The moving part 22 is provided with several groups, and several groups of moving parts 22 are horizontally arranged at the hollow edge of the surface of the table body 21. The number of vertical cylinders 23 matches the number of moving parts 22. The vertical cylinder 23 is installed at the end position on one side of the moving part 22. The number of pneumatic clamps 24 matches the number of vertical cylinders 23. The pneumatic clamp 24 is arranged on the movable end surface of the vertical cylinder 23. The transverse cylinder 25 is arranged on one side of the table body 21. The movable end of the transverse cylinder 25 is connected to the outer wall of the moving part 22. The grinding base 26 is provided with several groups, and several groups of grinding bases 26 are arranged at equal intervals at the hollow position in the middle of the table body 21.

[0020] The moving part 22 includes a placement plate 221 and a linkage plate 222. Several groups of placement plates 221 are arranged at equal intervals on the hollow edge of the surface of the table body 21. Several groups of linkage plates 222 are provided. Several groups of linkage plates 222 are respectively arranged between two adjacent groups of placement plates 221. Several groups of placement plates 221 form a whole under the connection of the linkage plates 222. Under the impetus of the grinding base 26, the grinding base 26 can drive the placement plates 221 and the linkage plates 222 to adjust their positions synchronously and at the same distance.

[0021] The distance between two adjacent groups of grinding bases 26 is half of the distance between two adjacent groups of pneumatic clamps 24. The single movable distance of the transverse cylinder 25 is consistent with the distance between two adjacent groups of grinding bases 26. The first group of grinding bases 26 among the several groups of grinding bases 26 arranged in the hollow position in the middle of the table body 21 is located at the edge of the hollow position in the middle of the table body 21. The vertical cylinder 23 at the end of the moving part 22 is vertically corresponding to the first group of grinding bases 26. When the moving part 22 is pushed by the transverse cylinder 25 to move laterally, during one transverse movement, the vertical cylinder 23 on the moving part 22 cooperates with the pneumatic clamp 24 to clamp the short steel beam from the grinding base 26 corresponding to the current group and move the short steel beam to the position corresponding to the next group of grinding bases 26. Through continuous clamping, the short steel beam can be continuously fed backward from the initial position, and the feeding assembly 6 continuously replenishes the short steel beam into the vertical cylinder 23 at the end.

[0022] The outer surface polishing part 4 includes a base 41, a first motor 42, a transmission rod 43, a cleaning roller cover 44, a cleaning roller 45, a motor base 46 and a second motor 47; The base 41 is fixed to the middle part of the auxiliary stand 3 by bolts, the first motor 42 is installed at the end of the base 41, the transmission rod 43 is installed at the end of the grinding base 26, and the grinding base 26 is driven by the transmission rod 43 and the first motor 42. When the short steel beam is transferred from the previous group of grinding bases 26 to the current grinding base 26 by the auxiliary stand 3, the first motor 42 drives the grinding base 26 to work, and the grinding base 26 rotates to grind the outside and the cut end of the short steel beam to remove the burrs of the cut; The cleaning roller cover 44 is installed on one side of the base 41, the cleaning roller 45 is arranged inside the cleaning roller cover 44 through a bearing, the motor seat 46 is installed on one side of the top of the cleaning roller cover 44, and the second motor 47 is installed inside the cleaning roller cover 44. The output end of the second motor 47 is connected to the cleaning roller 45 through a belt. The second motor 47 drives the cleaning roller 45 to rotate. The cleaning roller 45 cleans the surface of the short steel beam to remove grinding debris to prevent the grinding debris from scratching the short steel beam again.

[0023] The inner wall surface polishing part 5 includes a slide rail seat 51, a motor frame 52, a third motor 53, a transmission shaft 54, a driven wheel 55 and a polishing shaft 56; The slide rail seat 51 is arranged on one side of the auxiliary stand 3, the motor frame 52 is installed on one side of the surface of the slide rail seat 51, the third motor 53 is installed on one end of the motor frame 52, the transmission shaft 54 ​​is installed on the other end of the motor frame 52, the driven wheel 55 and the polishing shaft 56 are respectively installed on both sides of the transmission shaft 54, and the driven wheel 55 and the transmission shaft 54 ​​are connected by a belt. When the short steel beam is transferred from the previous group of grinding bases 26 to the current grinding base 26 by the auxiliary stand 3, the motor frame 52 is pushed to make the motor frame 52 slide along the slide rail seat 51. During the sliding process, the motor frame 52 drives the transmission shaft 54 ​​and the polishing shaft 56 at the end of the transmission shaft 54 ​​to penetrate into the interior of the short steel beam, and the third motor 53 drives the driven wheel 55 to rotate. The driven wheel 55 drives the polishing shaft 56 to rotate through the transmission shaft 54, and the polishing shaft 56 grinds the inside of the short steel beam. After grinding, the motor frame 52 can drive the polishing shaft 56 to withdraw from the inside of the short steel beam as the beginning of the next grinding.

[0024] The inner wall surface polishing part 5 further includes a shielding plate 57, a cylinder seat 58 and a clamping cylinder 59; The shielding plate 57 is installed at the end of the slide rail seat 51, and the cylinder seat 58 is installed at the middle of the outer wall of the shielding plate 57. The cylinder seat 58 corresponds to the setting position of the grinding base 26. The clamping cylinder 59 is fixed to the bottom end of the cylinder seat 58. When the short steel beam is transferred from the auxiliary stand 3 to the grinding base 26, the motor frame 52 slides to drive the transmission shaft 54 ​​and the polishing shaft 56 at the end of the transmission shaft 54 ​​to penetrate into the short steel beam. The clamping cylinder 59 at the end of the cylinder seat 58 is extended, and the movable end of the clamping cylinder 59 contacts the surface of the short steel beam. Under the squeezing of the clamping cylinder 59, the setting position of the short steel beam on the grinding base 26 is kept fixed, which is convenient for the polishing shaft 56 to grind and polish the inside of the short steel beam and remove the burrs on the outside of the cut. The storage slot 7 is arranged at the end of the table body 21. The width of the storage slot 7 is consistent with the width of the short steel beam. The height of the storage slot 7 is lower than the bottom end of the auxiliary stand 3. After the short steel beam is polished, the auxiliary stand 3 is driven by the continuous horizontal movement of the conveying table 2 to move the short steel beam on the polishing base 26 into the storage slot 7, and temporarily stored in the storage slot 7, or rolled and transported to the outside through the storage slot 7.

[0025] The above description is only a preferred embodiment of the present invention, which is only illustrative and not restrictive of the present invention. Those skilled in the art understand that many changes, modifications, and even equivalences may be made to the present invention within the spirit and scope defined by the claims of the present invention, but all of them will fall within the scope of protection of the present invention.

Claims

1. A steel beam surface polishing and finishing device, characterized in that: It comprises a main frame (1), a continuous conveying platform (2), an auxiliary frame (3), an outer surface polishing portion (4), an inner wall polishing portion (5) and a feeding assembly (6); The continuous conveying platform (2) is arranged on the surface of the main frame (1) and arranged along the surface of the main frame (1), the auxiliary frame (3) is installed on the side of the main frame (1), the outer surface polishing part (4) and the inner wall surface polishing part (5) are arranged side by side on the surface of the auxiliary frame (3), the feeding component (6) is arranged at the end of the main frame (1), the feeding component (6) continuously conveys the short steel beam, the continuous conveying platform (2) continuously conveys the short steel beam horizontally, and the outer surface polishing part (4) and the inner wall surface polishing part (5) grind the short steel beam during the conveying process of the short steel beam.

2. A steel beam surface polishing and finishing device as claimed in claim 1, characterized in that: The continuous conveying table (2) comprises a table body (21), a moving part (22), a vertical cylinder (23), a pneumatic clamp (24), a transverse cylinder (25) and a grinding base (26); the table body (21) is mounted on the surface of the main frame (1); the middle part of the table body (21) is hollowed out; the moving part (22) is provided with a plurality of groups; the plurality of groups of the moving parts (22) are arranged horizontally at the hollowed-out edges of the surface of the table body (21); the number of the vertical cylinders (23) matches the number of the moving parts (22); The vertical cylinder (23) is installed at an end position on one side of the moving part (22); the number of the pneumatic clamps (24) matches the number of the vertical cylinders (23); the pneumatic clamps (24) are arranged on the movable end surface of the vertical cylinder (23); the transverse cylinder (25) is arranged on one side of the table body (21); the movable end of the transverse cylinder (25) is connected to the outer wall of the moving part (22); and the grinding base (26) is provided in a plurality of groups, and the plurality of groups of the grinding bases (26) are arranged at equal intervals at the hollow position in the middle of the table body (21).

3. A steel beam surface polishing and finishing device as claimed in claim 2, characterized in that: The moving part (22) comprises a placement plate (221) and a linkage plate (222); a plurality of groups of the placement plates (221) are arranged at equal intervals on the hollowed-out edge of the surface of the table top body (21); a plurality of groups of linkage plates (222) are provided; the plurality of groups of linkage plates (222) are respectively arranged between two adjacent groups of placement plates (221); and the plurality of groups of placement plates (221) are connected by the linkage plates (222) to form a whole.

4. A steel beam surface polishing and finishing device as claimed in claim 2, characterized in that: The distance between two adjacent groups of the grinding bases (26) is half of the distance between two adjacent groups of the pneumatic clamps (24); the single movable distance of the lateral cylinder (25) is consistent with the distance between the two adjacent groups of the grinding bases (26); the first group of grinding bases (26) among the plurality of groups of grinding bases (26) arranged in the hollow position in the middle of the table body (21) is located at the edge of the hollow position in the middle of the table body (21); and the vertical cylinder (23) at the end of the moving part (22) is arranged vertically corresponding to the first group of grinding bases (26).

5. A steel beam surface polishing and finishing device as claimed in claim 4, characterized in that: The outer surface polishing part (4) comprises a pedestal (41), a first motor (42), a transmission rod (43), a cleaning roller cover (44), a cleaning roller (45), a motor seat (46) and a second motor (47); the pedestal (41) is fixed to the middle part of the auxiliary pedestal (3) by means of bolts; the first motor (42) is mounted on the end of the pedestal (41); the transmission rod (43) is mounted on the end of a polishing base (26); the polishing base (26) is driven by the cooperation of the transmission rod (43) and the first motor (42); the cleaning roller cover (44) is mounted on one side of the pedestal (41); the cleaning roller (45) is arranged inside the cleaning roller cover (44) via a bearing; the motor seat (46) is mounted on one side of the top of the cleaning roller cover (44); the second motor (47) is mounted inside the cleaning roller cover (44); and the output end of the second motor (47) is connected to the cleaning roller (45) by means of a belt.

6. A steel beam surface polishing and finishing device as claimed in claim 5, characterized in that: The inner wall surface polishing portion (5) comprises a slide rail seat (51), a motor frame (52), a third motor (53), a transmission shaft (54), a driven wheel (55) and a polishing shaft (56); the slide rail seat (51) is arranged on one side of the auxiliary stand (3); the motor frame (52) is mounted on one side of the surface of the slide rail seat (51); the third motor (53) is mounted on one end of the motor frame (52); the transmission shaft (54) is mounted on the other end of the motor frame (52); the driven wheel (55) and the polishing shaft (56) are respectively mounted on two sides of the transmission shaft (54); and the driven wheel (55) and the transmission shaft (54) are connected via a belt.

7. A steel beam surface polishing and finishing device as claimed in claim 5, characterized in that: The inner wall surface polishing portion (5) further comprises a shielding plate (57), a cylinder seat (58) and a clamping cylinder (59); the shielding plate (57) is mounted on the end of the slide rail seat (51); the cylinder seat (58) is mounted on the middle of the outer wall surface of the shielding plate (57); the cylinder seat (58) corresponds to the setting position of the polishing base (26); and the clamping cylinder (59) is fixed to the bottom end of the cylinder seat (58).

8. A steel beam surface polishing and finishing device as claimed in claim 2, characterized in that: A storage slot (7) is provided at the end of the table top body (21); the width of the storage slot (7) is consistent with the width of the short steel beam; and the height of the storage slot (7) is lower than the bottom end of the auxiliary stand (3).

9. A processing method for the steel beam surface polishing and finishing device according to any one of claims 1 to 8, characterized in that: The following steps are included: Step S1, adding a sufficient amount of truncated short circular steel beams to the feeding assembly (6), and stacking each group of short circular steel beams neatly in sequence; Step S2, the feeding assembly (6) pushes the first group of short circular steel beams into the grinding base (26) at the front end of the table body (21); Step S3, the moving part (22) is pushed by the transverse cylinder (25) to move transversely. During one transverse movement, the vertical cylinder (23) on the moving part (22) cooperates with the pneumatic clamp (24) to clamp the short steel beam from the grinding base (26) corresponding to the current group so that the short steel beam is moved to the position corresponding to the next group of grinding bases (26); Step S4, when the short steel beam moves to the grinding base (26) corresponding to the lower part of the outer surface polishing portion (4), the first motor (42) drives the grinding base (26) to work, and the grinding base (26) rotates to grind the outer part and the cut-off end of the short steel beam, and the second motor (47) drives the cleaning roller (45) to rotate, and the cleaning roller (45) cleans the surface of the short steel beam to remove grinding debris; Step S5, when the short steel beam is transferred from the auxiliary stand (3) to the grinding base (26), the clamping cylinder (59) at the end of the cylinder seat (58) is extended, and the movable end of the clamping cylinder (59) contacts the surface of the short steel beam to keep the surface of the short steel beam fixed, and the polishing shaft (56) grinds and polishes the inside of the short steel beam to remove the burrs on the outside of the cut; Step S6, after the short steel beam is polished, the auxiliary stand (3) is driven by the continuous reciprocating transverse movement of the conveying platform (2) to move the short steel beam on the polishing base (26) into the storage slot (7), and temporarily store it in the storage slot (7), or roll it to the outside through the storage slot (7).

10. The processing method of the steel beam surface polishing and finishing device according to claim 9, characterized in that: During the continuous lateral transport of the short steel beams in step S3 and step S6, the pneumatic clamp (24) is inflated to clamp the short steel beams in the corresponding group of grinding bases (26), the vertical cylinder (23) drives the pneumatic clamp (24) to move upward, the moving part (22) is pushed by the lateral cylinder (25) to move horizontally, and the pneumatic clamp (24) drives the short steel beams to move horizontally to the lower group of grinding bases (26).

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