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CN-224226235-U - Material returning device for small-diameter steel bar welding platform

CN224226235UCN 224226235 UCN224226235 UCN 224226235UCN-224226235-U

Abstract

The utility model discloses a material returning device for a small-diameter steel bar welding platform, and relates to the technical field of material returning devices. The automatic feeding device comprises a bottom frame, wherein a pushing component is arranged at the top of the bottom frame, a buffer component is arranged on the front surface of the bottom frame, the buffer component comprises a rear buffer bin, a front buffer bin is fixedly connected to the front surface of the rear buffer bin, a rear driving roller and a rear driven roller are rotatably connected to the inside of the rear buffer bin, a rear conveying belt is connected to the outside of the rear driving roller and the rear driven roller in a transmission manner, a front driving roller is rotatably connected to the inside of the front buffer bin close to the top end, tensioners are fixedly connected to the two sides of the front buffer bin, a front driven roller is arranged between the two tensioners, and a front conveying belt is connected to the outside of the front driven roller and the front driving roller in a transmission manner. According to the utility model, the rear conveying belt and the front conveying belt rotate in opposite directions, so that the steel bars entering the rear buffer bin are clamped stably and driven to move downwards at a constant speed, the steel bars are prevented from deforming or damaging the surfaces due to high-speed collision, and the quality of the steel bars is ensured.

Inventors

  • YAN HAN
  • LI XIAOBING
  • MA JUN
  • MIAO FEI
  • WANG SHUYOU
  • CAI WEIZHEN
  • ZHANG XIN
  • GAO XIAOLIN
  • GUO SEN

Assignees

  • 陕西建工第三建设集团有限公司

Dates

Publication Date
20260512
Application Date
20250623

Claims (8)

  1. 1. The material returning device for the small-diameter steel bar welding platform comprises a bottom frame (100) and is characterized in that a material pushing assembly (200) is arranged at the top of the bottom frame (100), and a buffer assembly (300) for reducing the falling speed of a thin steel bar is arranged on the front surface of the bottom frame (100); The pushing assembly (200) comprises an inclined upward material receiving sieve (201) fixedly connected to the top of the underframe (100), an electric push rod (202) is fixedly connected to the back of the underframe (100), a push plate (204) which is fixedly connected to the inside of the material receiving sieve (201) is fixedly connected to the output end of the electric push rod (202), and an inclined downward discharge groove (203) is fixedly connected to the output port of the material receiving sieve (201); The buffer assembly (300) comprises a rear buffer bin (301) fixedly connected to the front surface of the underframe (100), a front buffer bin (313) is fixedly connected to the front surface of the rear buffer bin (301), a rear driving roller (302) and a rear driven roller (303) which are distributed up and down are rotatably connected to the inside of the rear buffer bin (301), a rear conveying belt (304) is connected to the outside transmission of the rear driving roller (302) and the rear driven roller (303), a front driving roller (306) is rotatably connected to the inside of the front buffer bin (313) close to the top end, tensioners (307) are fixedly connected to the two sides of the front buffer bin (313) close to the bottom, a front driven roller (308) is mounted between the tensioners (307), and the front driven roller (308) is connected with the front conveying belt (309) through the outside transmission of the front driving roller (306).
  2. 2. The material returning device for the small-diameter steel bar welding platform according to claim 1, wherein a rear driving motor (311) is fixedly connected to the side surface of the rear buffer bin (301), a rotating shaft of the rear driving roller (302) is fixedly connected to the output end of the rear driving motor (311), a front driving motor (312) is fixedly connected to the side surface of the front buffer bin (313), and a rotating shaft of the front driving roller (306) is fixedly connected to the output end of the front driving motor (312).
  3. 3. The material returning device for the small-diameter steel bar welding platform according to claim 1, wherein a plurality of rear pinch rollers (305) are rotatably connected from top to bottom in the rear buffer bin (301), and a distance adjusting assembly (310) is arranged in the front buffer bin (313).
  4. 4. The material returning device for the small-diameter steel bar welding platform according to claim 3, wherein the distance adjusting assembly (310) comprises a mounting frame (310 a) which is slidably connected to the inside of the front buffer bin (313), a plurality of front pinch rollers (310 b) which are distributed from top to bottom at equal intervals are rotatably connected to the inside of the mounting frame (310 a), two sliding openings (313 a) are formed in two sides of the front buffer bin (313), a sliding frame (310 c) is slidably connected to the inside of the sliding opening (313 a), the mounting frame (310 a) is fixedly connected to the inside of the sliding frame (310 c), an adjusting bolt (310 d) is rotatably connected to the front center of the front buffer bin (313), and the sliding frame (310 c) is in threaded sleeve connection with the outside of the adjusting bolt (310 d).
  5. 5. The material returning device for the small-diameter steel bar welding platform according to claim 1, wherein the two tensioners (307) comprise sliding groove plates (307 a) fixedly connected to two sides of the front buffer bin (313), the sliding groove plates (307 a) are communicated with the front buffer bin (313), sliding blocks (307 b) are slidably connected to the interiors of the two sliding groove plates (307 a), a front driven roller (308) is rotatably connected between the two sliding blocks (307 b), and springs (307 d) are installed between the tops of the sliding blocks (307 b) and the inner walls of the sliding groove plates (307 a).
  6. 6. The material returning device for the small-diameter steel bar welding platform as claimed in claim 5, wherein the top and the bottom of the sliding block (307 b) are fixedly connected with a sliding rod (307 c) movably sleeved inside the sliding groove plate (307 a), and the spring (307 d) is movably sleeved outside the sliding rod (307 c) positioned above.
  7. 7. The material returning device for the small-diameter steel bar welding platform according to claim 1, wherein a scale (310 e) is fixedly connected to the front surface of the front buffer bin (313), and the scale (310 e) is movably sleeved in the sliding frame (310 c).
  8. 8. The material returning device for the small-diameter steel bar welding platform according to claim 1, wherein a slag discharging groove (205) which is inclined downwards is fixedly connected to the inside of the underframe (100), and the slag discharging groove (205) is positioned under the material receiving screen (201).

Description

Material returning device for small-diameter steel bar welding platform Technical Field The utility model belongs to the technical field of material returning devices, and particularly relates to a material returning device for a small-diameter steel bar welding platform. Background The small-diameter reinforcing steel bars generally refer to reinforcing steel bars with diameters not larger than 10mm, such as phi 6, phi 8, phi 10 and the like, and are commonly used for structural reinforcement, stirrups or distribution bars of components in building engineering, and have the functions of fixing main bars, bearing local stress or realizing structural connection. However, the small-diameter steel bar has smaller diameter, and when the steel bar is returned after welding, the thin steel bar is easy to collide due to direct falling or mutual collision, and the collision can not only cause the damage such as scratch, dent and the like on the surface of the steel bar to influence the appearance quality of the steel bar, but also cause the internal structure of the steel bar to generate fine cracks or deformation, thereby reducing the mechanical property of the steel bar and failing to meet the strict requirements of building construction and the like on the quality of the steel bar. Therefore, we provide a material returning device for a small-diameter steel bar welding platform, which is used for solving the problems. Disclosure of utility model The utility model aims to provide a material returning device for a small-diameter steel bar welding platform, which stably clamps steel bars entering a rear buffer bin through opposite rotation of a rear conveying belt and a front conveying belt and drives the steel bars to move downwards at a uniform speed, so that the problem that the existing thin steel bars are easy to collide and damage during material returning is solved. In order to solve the technical problems, the utility model is realized by the following technical scheme: The utility model relates to a material returning device for a small-diameter steel bar welding platform, which comprises a bottom frame, wherein a pushing component is arranged at the top of the bottom frame, and a buffer component for reducing the falling speed of a thin steel bar is arranged on the front surface of the bottom frame; The pushing assembly comprises an inclined upward material receiving sieve fixedly connected to the top of the underframe, an electric push rod is fixedly connected to the back of the underframe, the output end of the electric push rod is fixedly connected with a push plate which is slidingly connected to the inside of the material receiving sieve, and an output port of the material receiving sieve is fixedly connected with an inclined downward material discharging groove; The buffer assembly comprises a rear buffer bin fixedly connected to the front surface of the underframe, a front buffer bin is fixedly connected to the front surface of the rear buffer bin, a rear driving roller and a rear driven roller are vertically distributed in the rear buffer bin in a rotating mode, a rear conveying belt is connected to the rear driving roller and the rear driven roller in an external transmission mode, a front driving roller is rotatably connected to the front buffer bin in the position, close to the top end, of the front buffer bin, tensioners are fixedly connected to the two sides of the front buffer bin, a front driven roller is installed between the two tensioners, and a front conveying belt is connected to the front driven roller and the external transmission of the front driving roller. The utility model is further arranged that the side surface of the rear buffer bin is fixedly connected with a rear driving motor, the rotating shaft of the rear driving roller is fixedly connected with the output end of the rear driving motor, the side surface of the front buffer bin is fixedly connected with a front driving motor, and the rotating shaft of the front driving roller is fixedly connected with the output end of the front driving motor. The utility model is further provided with a plurality of rear compaction rollers which are rotationally connected from top to bottom in the rear buffer bin, and a distance adjusting assembly is arranged in the front buffer bin. The utility model further provides that the distance adjusting assembly comprises a mounting frame which is connected to the inside of the front buffer bin in a sliding way, a plurality of front pinch rollers which are distributed from top to bottom in an equidistant way are rotationally connected to the inside of the mounting frame, two sliding ports are formed in two sides of the front buffer bin, a sliding frame is connected to the inside of the sliding port in a sliding way, the mounting frame is fixedly connected to the inside of the sliding frame, an adjusting bolt is rotationally connected to the center of the front face of the front buffer bin, and t