Ash pushing device for continuous hot-dip galvanizing pot
By designing a continuous hot-dip galvanizing pan ash-pushing device, which utilizes a cylinder-driven double-headed swing arm and chain system, the automated cleaning of solvent ash is achieved, solving the problems of high labor intensity and low production efficiency of manual cleaning, and improving production efficiency and capacity.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TANGSHAN ZHENGFENG NEW MATERIALS CO LTD
- Filing Date
- 2025-06-10
- Publication Date
- 2026-04-10
AI Technical Summary
In existing technologies, manual cleaning of solvent ash is labor-intensive and affects production efficiency, making it difficult to meet the high capacity requirements of continuous hot-dip galvanizing lines.
A continuous hot-dip galvanizing pot ash-pushing device is designed. It utilizes a cylinder-driven double-headed swing arm and chain system to automatically push the solvent ash away from the workpiece running area and accumulate it around the zinc pot. The ash-blocking plate and the ash-isolating steel plate work together to achieve automated cleaning.
It reduced the labor intensity of workers, improved production efficiency, avoided the scalding and contamination of workpieces by solvent ash, and increased the unit's production capacity.
Smart Images
Figure CN224105910U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a continuous hot-dip galvanizing pot ash pushing device belongs to metallurgical industry section steel continuous hot-dip galvanizing equipment manufacturing technical field. BACKGROUND
[0002] At present, the domestic and foreign section steel hot-dip galvanizing generally adopts the drying solvent method, and after the surface of the workpiece is cleaned by pickling to remove the iron oxide, the surface is coated with a layer of solvent, the solvent composition is a mixed solution of ammonium chloride and zinc chloride, and after low-temperature drying, a salt film is formed to isolate air, and the workpiece is protected by the salt film and enters the zinc liquid with a temperature of about 450 DEG C.
[0003] The ammonium chloride and zinc chloride components in the salt film react immediately after contacting the zinc liquid, remove the residual iron oxide and other oxides on the surface of the workpiece, and most of the chlorides are volatilized into the air in the form of smoke, and a small part of the product is in the form of zinc oxide hydrogen chloride and zinc chloride, and is in the form of foam covering the surface of the zinc liquid, which is called solvent ash. These solvent ashes need to be removed from the surface of the zinc liquid in time, otherwise the solution will wrap the zinc liquid and the dregs in the pot, pollute and even scald the surface of the workpiece, and cause plating leakage.
[0004] At present, the galvanizing line generally adopts the form of manual ash cleaning, and the ash is pushed to one side, and then the zinc ash is scooped up with a tool with mesh, the zinc liquid is temporarily controlled to flow back into the zinc pot from the mesh, the larger the top surface area of the zinc pot, the longer the time of pushing the zinc ash. The time of pushing the zinc ash even exceeds the production time. For the continuous hot-dip plating production line, the interval time between two batches is short, the labor intensity of workers is large, and the ash cleaning time seriously restricts the improvement of the production capacity of the unit. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a continuous hot-dip galvanizing pot ash pushing device, and the workpiece is inclined to immerse into the zinc liquid surface from the clean zinc liquid surface, which avoids the scalding pollution of the solvent ash generated in the previous batch, and the solvent ash pushed away from the pot area is accumulated in the non-workpiece running area around the zinc pot and then fished out by the ash fishing equipment, thereby solving the problems in the background art.
[0006] The technical scheme of the utility model is:
[0007] A continuous hot-dip galvanizing pot ash pushing device, comprising a zinc pot and a workpiece matching stepping device arranged above the side of the zinc pot, further comprising an ash blocking plate, a pin, a double-end swing lever, a pivot, a rotating shaft, an ear ring, a gas cylinder and a chain, the double-end swing lever is an integrated structure composed of a short shaft and a long shaft, the tail of the gas cylinder is fixed on the stepping device, the head of the gas cylinder is connected with the short shaft end of the double-end swing lever through the rotating shaft, the pivot is fixed on the stepping device, the double-end swing lever is rotatably installed on the pivot, the long shaft end side of the double-end swing lever is fixedly connected with one end of the chain through the pin, the other end of the chain is fixed on the ash blocking plate, and the ash blocking plate is arranged in the zinc pot. The lever of the gas cylinder is extended or retracted, the long shaft end of the double-end swing lever is lifted or lowered, and the chain pulls the ash blocking plate out of the zinc pot or falls into the zinc pot.
[0008] Further, the long shaft end of the double-end swing lever is welded with a mandrel, a sprocket rotatable around the mandrel and matched with the chain is installed on the mandrel, one end of the chain is connected with the pin on the long shaft end side, and the other end of the chain is connected with the ash blocking plate after being turned around the sprocket.
[0009] Further, the zinc pot is provided with a dust blocking steel plate matched with the ash blocking plate.
[0010] Further, the dust blocking steel plate is located at the width side of the ash blocking plate close to the liquid surface area.
[0011] Further, the gas cylinder is fixed on the stepping device through a tail seat, and the pivot is fixed on the stepping device through a fixed support.
[0012] The beneficial effects of the utility model are that the workpiece is obliquely immersed into the zinc liquid below the clean zinc liquid surface, the scalding pollution of the solvent ash generated in the previous batch is avoided, and the solvent ash pushed away from the pot area is accumulated in the non-workpiece running area around the zinc pot and then fished out by the ash fishing equipment. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 It is the utility model principle diagram;
[0014] Fig. 2 It is the utility model structure schematic view;
[0015] Fig. 3 It is the utility model ash pushing effect schematic view;
[0016] In the drawing: ash blocking plate 1, mandrel 2, sprocket 3, fixed support 4, pin 5, double-end swing lever 6, pivot 7, rotating shaft 8, ear ring 9, gas cylinder 10, tail seat 11, chain 12, stepping device 13, dust blocking steel plate 14, galvanizing machine 15, workpiece 17, zinc pot 18. DETAILED DESCRIPTION
[0017] The utility model is further described by examples in combination with the drawings.
[0018] Referring to the drawings Figs. 1-3 A continuous hot-dip galvanizing pot ash pushing device, comprising a zinc pot 18 and a stepping device 13 arranged above the side of the zinc pot 18 and matched with a workpiece, and further comprising an ash blocking plate 1, a pin 5, a double-end swing rod 6, a pivot 7, a rotating shaft 8, an ear ring 9, a gas cylinder 10 and a chain 12, the double-end swing rod 6 is an integrated structure composed of a short shaft and a long shaft, the tail of the gas cylinder 10 is fixed on the stepping device 13, the head ear ring 9 of the gas cylinder 10 is connected with the short shaft end of the double-end swing rod 6 through the rotating shaft 8, the pivot 7 is fixed on the stepping device 13, the double-end swing rod 6 is rotatably installed on the pivot 7, the long shaft end side of the double-end swing rod 6 is fixedly connected with one end of the chain 12 through the pin 5, the other end of the chain 12 is fixed on the ash blocking plate 1, and the ash blocking plate 1 is arranged in the zinc pot 18.
[0019] In this example, referring to the drawings Figs. 1-3 The stepping device 13, the galvanizing machine 15 and the zinc pot 18 are all existing devices, and the continuous galvanizing of profile steel requires batch production of workpieces, the workpieces are sent into the zinc pot 18 in batches, the stepping device 13 is regarded as a power source, and one batch is regarded as one step, that is, the workpieces need to be sent into the zinc pot 18 step by step, and the ash pushing device moves together with the stepping device 13.
[0020] The ash pushing device is installed on the moving beam of the stepping device 13, the ash blocking plate is immersed in the upper part of the zinc pot 18 and cannot touch the workpieces entering the pot. The ash blocking plate is located in front of the stepping device 13, the upper part of the ash blocking plate is located above the liquid level of the zinc pot 18, and the ash is pushed away as the stepping device advances. In order to avoid bringing ash back when the stepping device returns, the ash blocking plate 1 needs to be lowered below the liquid level when the ash is not pushed away during the return, at this time, the lever of the gas cylinder 10 is retracted, the long shaft end of the double-end swing rod 6 is lowered, the direction is changed by using the sprocket 3, the vertical movement is converted into horizontal input, the sprocket 3 is engaged with the chain 12, and the stability of the chain 12 is maintained. In this embodiment, in order to reduce high-temperature deformation, three sets of devices are arranged on the three stepping beams, and the stress is dispersed.
[0021] Referring to the drawings Figs. 1-3 The workpieces run from the left side to the right side, the tail of the gas cylinder 10 is fixed on the stepping device 13 through the tail seat 11, the head ear ring 9 of the gas cylinder 10 is connected with the short shaft end of the double-end swing rod 6 through the rotating shaft 8, the bending part of the double-end swing rod 6 is rotatably arranged on the pivot 7 of the moving beam of the stepping device 13, the long shaft end side of the double-end swing rod 6 is fixedly connected with one end of the chain 12 through a pin 5, and the other end of the chain 12 is fixed on the ash blocking plate 1.
[0022] Fig. 3The display, cylinder 10 is fixed in the tail seat 11 on the moving beam of the stepping device 13, the pivot 7 is fixed on the moving beam of the stepping device 13 through the fixed support 4, and a system is formed which moves together with the stepping device. In addition, the long shaft end of the double-end swing rod 6 is welded with the mandrel 2 on the side surface, and a sprocket 3 rotatable around the shaft is installed on the mandrel 2.
[0023] Fig. 1 The display, the dust board 1 is driven by three sets of cylinders to reduce the high temperature deformation of the thin-walled large-area rod.
[0024] The new type of ash pushing device assembled in the above mode is suitable for the field of continuous batch hot galvanizing with fast galvanizing rhythm.
[0025] The working principle of the utility model is as follows:
[0026] When the workpiece is placed on the receiving position of the stepping device 13, the lever of the cylinder 10 is pushed forward, the double-end swing rod 6 rotates the output end (the long shaft end) to be lifted, the dust board 1 is exposed from the liquid surface, is higher than the upper surface of the solvent ash, and is dragged to the right with the stepping device 13, and the dust board is pushed to the right, and when the stepping feeding is in place, the dust board is stopped at the same time, at this time, the previous batch of solvent ash H1 under the workpiece is pushed to the H2 area, the workpiece is immersed into the zinc liquid surface from the clean zinc liquid surface, and the solvent ash driven away is diffused to the H3 and H4 other areas with the fluctuation of the zinc liquid, so that the solvent ash reaching the pot wall is prevented from returning due to secondary oscillation, and the ash isolation steel plate 14 is arranged at the width side of the dust board 1 close to the liquid surface area. The solvent ash accumulated in the H4 area is fished out from the zinc pot through the ash fishing equipment.
[0027] The stepping system starts workpiece falling preparation, and when the workpiece is given to the galvanizing machine 15, the cylinder rod of the cylinder 10 is retracted, the rotating output end (the long shaft end) of the double-end swing rod 6 is lowered, the dust board 1 falls, and the dust board 1 falls below the liquid surface to prevent the ash from being brought back during the return. When the workpiece is placed on the galvanizing machine 15 by the stepping device 13, the stepping device 13 starts to retract, and the ash pushing device is returned to the starting position. The next feeding and ash pushing are waited.
Claims
1. A continuous hot dip galvanizing pot pusher device, comprising a zinc pot (18) and a stepping device (13) arranged above the side of the zinc pot (18) and cooperating with the workpiece, characterized in that: The composition further comprises a dust baffle (1), a pin (5), a double-end swing lever (6), a pivot (7), a rotating shaft (8), an ear ring (9), a cylinder (10) and a chain (12). The double-end swing lever (6) is an integrated structure composed of a short shaft and a long shaft. The tail of the cylinder (10) is fixed on a stepping device (13). The head ear ring (9) of the cylinder (10) is connected to the short shaft end of the double-end swing lever (6) through the rotating shaft (8). The pivot (7) is fixed on the stepping device (13). The double-end swing lever (6) is rotatably installed on the pivot (7). The long shaft end side of the double-end swing lever (6) is fixedly connected to one end of the chain (12) through the pin (5). The other end of the chain (12) is fixed on the dust baffle (1). The dust baffle (1) is arranged in a zinc pot (18).
2. A continuous galvanizing kettle pusher according to claim 1, characterized in that: The long shaft end of the double-end swing lever (6) is welded with a mandrel (2). A sprocket (3) is installed on the mandrel (2) and can rotate around the mandrel (2) and cooperate with the chain (12).
3. A continuous galvanizing kettle pusher according to claim 1, characterized in that: The zinc pot (18) is provided with a dust isolation steel plate (14) cooperating with the dust baffle (1).
4. A continuous galvanizing kettle pusher according to claim 3, characterized in that: The dust isolation steel plate (14) is located near the liquid surface area on the width side of the dust baffle (1).
5. A continuous galvanizing kettle pusher according to claim 1 wherein: The cylinder (10) is fixed on the stepping device (13) through a tail seat (11). The pivot (7) is fixed on the stepping device (13) through a fixed support (4).