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CN-116536606-B - Hot dip galvanizing production process

CN116536606BCN 116536606 BCN116536606 BCN 116536606BCN-116536606-B

Abstract

The invention discloses a hot dip galvanizing production process which comprises the steps of arranging a lifting bracket, arranging a plurality of zinc baskets, arranging at least two lifting bracket holes on the lifting bracket, arranging a workpiece to be galvanized in an empty zinc basket, filling the zinc basket in the bracket holes, controlling the lifting bracket to descend for galvanizing operation, controlling the lifting bracket to ascend after galvanizing is finished, transversely moving the lifting bracket, enabling a grabbing centrifuge to grab and lift one zinc basket for centrifugal operation, taking down the zinc basket after centrifugal operation, sixth, enabling the lifting bracket to grab the centrifuge to return to the fourth step, unloading the workpiece by a transfer mechanism, returning the zinc basket to a zinc basket placing area to return to the second step, returning to the third step after grabbing the other zinc basket by the transfer mechanism, and realizing the circulating galvanizing operation of multi-station zinc basket, thereby improving the utilization rate of equipment.

Inventors

  • DAI HAIFENG
  • ZHANG PEIPEI
  • JIANG QINGFEI
  • WANG QIANG
  • CAO MINGKANG
  • CHEN HE

Assignees

  • 徐州瑞马智能技术有限公司

Dates

Publication Date
20260512
Application Date
20230309

Claims (8)

  1. 1. A hot dip galvanization production process, characterized by comprising the steps of: The method comprises the steps that a lifting bracket (2) capable of translating on the liquid level of a zinc pot (1) is arranged above the zinc pot (1), at least two lifting bracket holes (21) are formed in the lifting bracket (2), a plurality of zinc baskets (3) are prepared, and the number of the zinc baskets (3) is at least one more than that of the bracket holes (21), a table frame is arranged above the zinc pot (1), the lifting bracket (2) and a grabbing centrifuge (5) are connected to the table frame, a linear rail is arranged on the ground, a moving piece forming a sliding pair with the linear rail is arranged at the lower end of the table frame, and a locking device is arranged on the moving piece; Secondly, placing the workpiece to be galvanized into an empty zinc basket in a zinc basket placing area to form a material loading zinc basket, wherein a feeding device (6) is arranged in the zinc basket placing area, and a certain amount of the workpiece to be galvanized is added into the empty zinc basket through the feeding device (6); Thirdly, filling the material-carrying zinc basket into a frame hole (21) of an empty lifting bracket by using a transfer mechanism (4), controlling the lifting bracket (2) to descend until a workpiece in the material-carrying zinc basket is immersed into hot zinc liquid for galvanization operation after the frame hole (21) of the lifting bracket (2) is filled, and controlling the lifting bracket (2) to ascend after galvanization is finished; fourthly, the lifting bracket (2) transversely moves to enable one material carrying zinc basket to be positioned below the grabbing centrifugal machine (5), and the grabbing centrifugal machine (5) grabs and lifts the material carrying zinc basket until the material carrying zinc basket is separated from the frame hole (21), and then rotates the material carrying zinc basket to carry out centrifugal operation; Fifthly, the transferring mechanism (4) removes the material-carrying zinc basket after the centrifugal operation from the grabbing centrifugal machine (5); The sixth step, lifting the bracket (2), grabbing the centrifuge (5) to return to the fourth step, unloading the workpiece in the zinc basket in the material collecting area by the transferring mechanism (4), turning the zinc basket into an empty zinc basket again, returning the empty zinc basket to the zinc basket placing area to return to the second step, and returning to the third step after grabbing the other zinc basket in the zinc basket placing area by the transferring mechanism (4).
  2. 2. The hot dip galvanizing production process according to claim 1, wherein the workpiece to be galvanized is subjected to degreasing, pickling, water washing and drying treatments prior to the galvanizing operation.
  3. 3. The hot dip galvanization production process according to claim 1, characterized in that the surface of the zinc liquid in the zinc pot (1) is treated with a scraping plate (7) for scraping ash each time before the galvanization operation is performed as described in the third step.
  4. 4. A hot dip galvanising process according to claim 1, characterized in that the translation and lifting of the lifting carriage (2) are controlled by one servo motor (22) respectively.
  5. 5. The hot dip galvanization production process according to claim 1, characterized in that the transfer mechanism (4) is a robotic arm or a hand-held clamp.
  6. 6. The hot dip galvanizing production process according to claim 1, wherein a zinc smoke collecting and exhausting system (8) is arranged at the side edge of the zinc pot (1), and zinc smoke is collected and exhausted through the zinc smoke collecting and exhausting system (8) when the zinc smoke volatilizes in the zinc pot (1).
  7. 7. The hot dip galvanization production process according to claim 1, characterized in that the material collection area is provided with a blanking conveying line (9), and the transfer mechanism (4) unloads the work pieces in the material-carrying zinc basket on the blanking conveying line (9).
  8. 8. The hot dip galvanization production process according to claim 1, wherein a slag scooping machine (10) is arranged on one side of the table frame, and the slag scooping machine (10) needs to be preheated before working.

Description

Hot dip galvanizing production process Technical Field The invention belongs to the technical field of hot galvanizing equipment, and particularly relates to a hot dip galvanizing production process. Background Hot dip galvanizing is also called hot galvanizing, and mainly aims to realize anticorrosion by immersing a rust-removed workpiece to be galvanized in molten zinc liquid at about 500 ℃ to enable a zinc layer to be attached to the surface of the workpiece to be galvanized. Hot galvanizing is an effective metal corrosion prevention mode, and can be suitable for metal structure facilities in various industries. At present, in the hot galvanizing production process for small workpieces, an operator loads the small workpieces to be galvanized into a zinc basket, then the zinc basket sequentially passes through a galvanizing process and a centrifugal process according to the hot galvanizing process requirement, the process method only can treat the workpieces to be galvanized in one zinc basket every week, and obvious time intervals exist between the galvanizing processes of the two zinc baskets, so that the operation efficiency is low. For this purpose, a hot dip galvanization production process needs to be designed. It should be noted that the information disclosed in the above background section is only for enhancing the understanding of the background of the present disclosure, and thus may include information that does not constitute prior art. Disclosure of Invention The inventor finds through researches that if the galvanizing process and the centrifugal process are respectively arranged at two stations, the two stations respectively take the roles, and the transmission of the zinc basket and the workpiece is realized by using a conveying belt, and the process method improves the time interval between two zinc basket galvanizing operations, but occupies a large amount of operation space in a workshop, and also needs to be respectively provided with operators and equipment for collecting zinc liquid and zinc smoke for the two stations, so that the cost is high. In view of at least one of the above technical problems, the present disclosure provides a hot dip galvanization production process, which comprises the following specific technical schemes: a hot dip galvanization production process comprising the steps of: the method comprises the steps that a lifting bracket capable of horizontally moving on the liquid level of a zinc pot is arranged above the zinc pot, the lifting bracket is provided with at least two lifting bracket holes, a plurality of zinc baskets are prepared, and the number of the zinc baskets is at least one more than that of the bracket holes; Secondly, placing a workpiece to be galvanized into an empty zinc basket in a zinc basket placing area to form a material loading zinc basket; Thirdly, filling the material-carrying zinc basket into an empty frame hole of the lifting bracket by using a transfer mechanism, controlling the lifting bracket to descend until a workpiece in the material-carrying zinc basket is immersed into hot zinc liquid for galvanization after the frame hole of the lifting bracket is filled, and controlling the lifting bracket to ascend after galvanization is finished; Fourthly, the lifting bracket transversely moves, so that one material carrying zinc basket is positioned below the grabbing centrifugal machine, the grabbing centrifugal machine grabs and lifts the material carrying zinc basket until the material carrying zinc basket is separated from the frame hole, and then the material carrying zinc basket is rotated to carry out centrifugal operation; Fifthly, the transferring mechanism removes the material-carrying zinc basket after the centrifugal operation from the grabbing centrifugal machine; The third step, the carrier is lifted, the centrifuge is grabbed to return to the fourth step, the transferring mechanism unloads the workpiece in the zinc basket to the material collecting area, the zinc basket is changed into an empty zinc basket again, the empty zinc basket is placed back to the zinc basket placing area to return to the second step, and the transferring mechanism returns to the third step after grabbing another zinc basket in the zinc basket placing area. In some embodiments of the present disclosure, the workpiece to be galvanized is subjected to degreasing, pickling, water washing, and drying treatment before the galvanization operation. In some embodiments of the present disclosure, the zinc basket placement area is provided with a charging device by which an empty zinc basket is charged with a quantity of work pieces to be galvanized. In some embodiments of the present disclosure, the surface of the zinc bath in the zinc pot is shaved with a shaving plate before each galvanization operation is performed as described in the third step. In some embodiments of the present disclosure, the translation and lifting of the lifting carriage are contro