Cleaning and flattening device for aluminum-zinc plated steel plate

Abstract

The cleaning and flattening device comprises a rack and a conveying roller set, the rack is rotationally connected with two working rollers, a gap allowing the steel plate to pass through is formed between the two working rollers, the conveying roller set is rotationally connected to the rack, and the conveying roller set is used for driving the steel plate to be conveyed and pass through the working rollers. The rack is connected with two first water outlet pipes, the first water outlet pipes correspond to the working rollers one to one, and the first water outlet pipes communicate with a first water supply source and are used for spraying water to the working rollers. During use, the working roller is used for flattening zinc slag particles with large adhesion force on the surface of a steel plate, meanwhile, the zinc slag particles on the surface of the first water outlet pipe are flushed by water flow of the first water outlet pipe to be away from the working roller, the zinc slag particles adhered to the surface of the working roller are reduced, and therefore damage of the zinc slag particles to the surface of the steel plate is completely eradicated as far as possible.

Description

Technical Field

[0001] This application relates to the field of steel plate processing equipment, and in particular to a cleaning and flattening device for aluminized zinc-coated steel plates. Background Technology

[0002] Hot-dip galvanizing is an economical and effective surface treatment method for steel materials. Hot-dip galvanized products play a very important role in reducing corrosion, extending service life, saving energy and materials for steel plates.

[0003] CN117089795B discloses a zinc dross scraping device and a hot-dip galvanized sheet. The device includes a scraping box with a removable cover on top. Removing the cover allows for internal structure adjustments. Multiple staggered electric feeding rollers are installed on both sides of the scraping box. Support rollers are rotatably connected to the lower parts of both sides of the scraping box. A connecting plate is connected to the upper center of the scraping box. Sliding plates are slidably connected to both the upper and lower sides of the center of the scraping box. An elastic element connects the upper sliding plate to the connecting plate. Scrapers for scraping excess zinc dross off the hot-dip galvanized sheet are installed on the sides of the two sliding plates that are close to each other. During operation, this invention allows for simultaneous scraping of zinc dross off the hot-dip galvanized sheet using the scrapers on both sides.

[0004] Regarding the aforementioned technologies, while the scraper can remove zinc dross particles from the galvanized steel sheet surface during operation, it inevitably scratches the surface of thinner galvanized steel sheets (with an average thickness of 0.3-0.6 mm) during operation, potentially even causing a downgrade of the steel sheet, which is unacceptable. Therefore, it is necessary to develop a device that can clean zinc dross particles from the steel sheet surface without damaging it. Utility Model Content

[0005] In order to minimize the damage to steel plates caused by zinc dross and improve the quality of steel plates, this application provides a cleaning and flattening device for aluminized zinc steel plates.

[0006] The cleaning and flattening device for aluminized zinc-coated steel sheets provided in this application adopts the following technical solution:

[0007] A cleaning and flattening device for aluminum-zinc coated steel sheets includes a frame and a conveyor roller assembly. The frame is rotatably connected to two working rollers, with a gap between the two working rollers for the steel sheet to pass through. The conveyor roller assembly is rotatably connected to the frame and is used to transport the steel sheet through the working rollers. The frame is connected to two first water outlet pipes, each corresponding to one of the working rollers. Each first water outlet pipe is connected to a first water supply source and is used to spray water onto the working rollers.

[0008] By adopting the above technical solution, after the steel plate is galvanized, zinc dross particles are easily adhered to the surface of the steel plate. The conveying roller group transports the steel plate between two working rollers. The working rollers press the zinc dross particles (especially zinc dross particles with relatively strong adhesion) on the surface of the steel plate, so that the surface of the steel plate is flat.

[0009] Of course, after prolonged use, zinc dross particles easily adhere to the surface of the work roll. This can cause these particles to stick to or fall onto the steel plate surface during subsequent use. When the work roll rubs against the steel plate, these zinc dross particles can scratch the steel plate surface. Therefore, this device is equipped with a first water outlet pipe, which is a high-pressure water pipe (high-pressure water gun). During use, water is supplied from the first water source into the first water outlet pipe, which then sprays water onto the work roll to clean its surface. The zinc dross particles on the work roll surface are washed away by the water flow, thus reducing the amount of zinc dross particles on the work roll surface, minimizing damage to the steel plate surface, and improving steel plate quality. Furthermore, the water sprayed from the first water outlet pipe cools the work roll, minimizing overheating due to prolonged friction between the work roll and the steel plate, reducing the likelihood of zinc dross adhering to the roll surface and causing damage to the work roll.

[0010] Optionally, a slider is connected to one end of the first water outlet pipe near the water outlet. The slider is slidably connected to the frame along the length of the working roller. The slider is connected to a drive assembly, which is also connected to the frame. The drive assembly is used to drive the slider to move along the length of the working roller.

[0011] By adopting the above technical solution, when cleaning the working roller, the drive component drives the slider to move back and forth along the length of the working roller, and the end of the first water outlet pipe near the water outlet moves with the slider, thereby increasing the rinsing range of the first water outlet pipe and improving the cleaning effect of the first water outlet pipe on the working roller.

[0012] Optionally, the drive assembly includes a lead screw, a guide rod, and a second motor. The length direction of the lead screw is consistent with the length direction of the work roller, and the length direction of the guide rod is consistent with the length direction of the lead screw. The lead screw is rotatably connected to the frame, the guide rod is connected to the frame, the slider is slidably sleeved on the guide rod, the slider is threadedly sleeved on the lead screw, the second motor is connected to the frame, and the output shaft of the second motor is connected to one end of the lead screw.

[0013] By adopting the above technical solution, the second motor drives the lead screw to rotate, which in turn drives the slider to move along the length of the working roller, so that one end of the first water outlet pipe moves with the slider, thereby increasing the rinsing area of ​​the first water outlet pipe, which facilitates the cleaning of the surface of the working roller by the first water outlet pipe.

[0014] Optionally, each working roll is provided with a support roll on the side away from the other working roll. The length direction of the support roll is consistent with the length direction of the working roll. The support roll is rotatably connected to the frame, and the outer circumferential wall of the support roll is in contact with the outer circumferential wall of the working roll.

[0015] By adopting the above technical solution, during use, when the steel plate passes between the work rolls, the support roll presses against the work rolls. On the one hand, the support roll further increases the pressing force (rolling force) of the work rolls on the steel plate, further ensuring the pressing effect of the support rolls on the steel plate surface, resulting in a smoother steel plate surface. At the same time, the pressing effect of the support rolls on the work rolls further ensures the long-term stability of the work rolls' operation, that is, the work rolls can stably press the steel plate for a long period of time.

[0016] Optionally, the slider is also connected to a second water outlet pipe, the outlet of which faces the support roller, and the second water outlet pipe is connected to the first water supply source.

[0017] By adopting the above technical solution, during use, the contact between the working roller and the support roller can easily cause zinc dross particles on the surface of the working roller to adhere to the surface of the support roller. Therefore, when the first water outlet pipe sprays water toward the working roller, the first water supply source inputs water into the second water outlet pipe, and the second water outlet pipe sprays water toward the support roller. The zinc dross particles on the surface of the support roller are washed away from the support roller by the water flow, thereby reducing the number of zinc dross particles on the surface of the support roller and minimizing the possibility of zinc dross particles falling onto the steel plate or adhering to the surface of the working roller, thus improving the quality of the steel plate.

[0018] Optionally, both the first and second water outlet pipes are flexible hoses. The frame is connected to a support bar, which has a connecting groove. The length of the connecting groove is consistent with the length of the working roller. The support bar is connected to a chain, one end of which is connected to the connecting groove, and the other end of which is connected to the slider. Both the first and second water outlet pipes are arranged along the length of the chain and are connected to the chain.

[0019] By adopting the above technical solution, when the slider moves along the length of the working roller, one end of the chain moves with the slider, and the first water outlet pipe and the second water outlet pipe are connected to the chain and move with the chain. The chain plays a supporting and protective role for the first water outlet pipe and the second water outlet pipe, reducing the shaking or friction with the conveyor roller group when the first water outlet pipe and the second water outlet pipe move with the slider, and reducing the wear of the first water outlet pipe and the second water outlet pipe.

[0020] Optionally, the frame is connected to a water spray pipe, which is connected to a second water supply source. The water supply source is used to input water into the water spray pipe. The water spray pipe is located on one side of the feed end of the work roll and is used to spray water onto the steel plate.

[0021] By adopting the above technical solution, before the steel plate is transported between the two working rollers by the conveyor roller group, the steel plate first passes through the water spray pipe. The second water supply source inputs water into the water spray pipe, and the water is sprayed onto the steel plate through the water spray pipe, making the surface of the steel plate wet. This reduces the friction between the steel plate and the working roller, reduces the damage to the steel plate, and improves the quality of the steel plate. In addition, the water sprayed onto the steel plate by the water spray pipe moves with the steel plate and comes into contact with the working roller, thereby cooling the working roller and reducing the damage to the working roller. Furthermore, the water sprayed onto the surface of the steel plate through the water spray pipe can wash away some of the impurities on the surface of the steel plate, thus cleaning the steel plate and improving its quality.

[0022] Optionally, the outer circumferential wall of the water spray pipe is provided with a plurality of connection ports, which are connected to the water spray pipe. The plurality of connection ports are distributed sequentially along the length of the water spray pipe. The water spray pipe is connected to a plurality of first nozzles, which correspond one-to-one with the connection ports. The first nozzles are connected to the water spray pipe through the connection ports. An opening and closing component is connected inside the water spray pipe, which is used to open or close the connection ports.

[0023] By adopting the above technical solution, water is supplied from the water source to the water spray pipe. The water passes through steel plates of different sizes at the connection port. When the width of the steel plates between the two working rollers is different, the connection port at the corresponding position is opened or closed according to the width of the different steel plates, thereby adjusting the spraying range of the water spray pipe and adapting to steel plates of different sizes.

[0024] Optionally, the opening and closing assembly includes a connecting rod and a moving part. The length direction of the connecting rod is consistent with the length direction of the water spray pipe. Two connecting rods are respectively provided on both sides of the water spray pipe along its length direction. One end of the connecting rod passes through one end of the water spray pipe along its length direction. The connecting rod is slidably connected to the inside of the water spray pipe along its length direction. The outer circumferential wall of the connecting rod contacts the inner wall of the water spray pipe. The moving part is used to drive the connecting rod to move.

[0025] By adopting the above technical solution, when the width of the steel plate of the water spray pipe is different, the moving part drives the connecting rod to move along the length of the water spray pipe, so that the two connecting rods are close to each other or far apart. The outer circumferential wall of the connecting rod contacts the inner wall of the water spray pipe. When the connecting rod is close to the connection port and covers the connection port, the connection port is closed. When the connecting rod is far away from the connection port, the connection port is opened. In this way, the spraying range of the water spray pipe is adjusted and water waste is reduced.

[0026] Optionally, the frame has a movable slot, the length direction of which is consistent with the length direction of the water spray pipe. The movable component includes a threaded rod, a first motor, and a movable block. The length direction of the threaded rod is consistent with the length direction of the water spray pipe. The threaded rod is rotatably connected in the movable slot. The threaded rod includes a positive thread section and a negative thread section. There are two movable blocks, each threadedly fitted onto the positive thread section. Each movable block corresponds to a connecting rod. The movable block is connected to the end of the connecting rod away from the water spray pipe. The movable block is slidably connected in the movable slot along the length direction of the water spray pipe. The first motor is connected to the frame, and the output shaft of the first motor is connected to one end of the threaded rod.

[0027] By adopting the above technical solution, the first motor drives the threaded rod to rotate, thereby causing the moving block to move along the length of the water spray pipe, and causing the two moving blocks to move closer or further apart, thereby driving the connecting rod to move along the length of the water spray pipe, so that the connecting rod slides and connects to the inside of the water spray pipe along its length, thereby adjusting the spraying range of the water spray pipe.

[0028] In summary, this application includes at least one of the following beneficial technical effects:

[0029] 1. During use, the first water supply source inputs water into the first water outlet pipe, and the first water outlet pipe sprays water onto the work roll to clean the surface of the work roll. The zinc dross particles on the surface of the work roll are washed away from the work roll by the water flow, thereby reducing the zinc dross particles on the surface of the work roll, reducing the damage of zinc dross particles to the surface of the steel plate, improving the quality of the steel plate, and the water sprayed onto the surface of the work roll by the first water outlet pipe can cool the work roll, thereby avoiding the situation of the work roll and the steel plate overheating due to prolonged friction, reducing the probability of zinc dross adhering to the roll surface and the damage to the work roll;

[0030] 2. The second motor drives the lead screw to rotate, which in turn drives the slider to move along the length of the working roller, so that one end of the first water outlet pipe moves with the slider, thereby increasing the rinsing area of ​​the first water outlet pipe, which facilitates the cleaning of the surface of the working roller by the first water outlet pipe.

[0031] 3. The second water outlet pipe sprays water toward the support roller. The zinc dross particles on the surface of the support roller are washed away from the support roller by the water flow, thereby reducing the amount of zinc dross particles on the surface of the support roller and minimizing the possibility of zinc dross particles falling onto the steel plate or sticking to the surface of the work roller, thus improving the quality of the steel plate. Attached Figure Description

[0032] Figure 1 This is a three-dimensional structural diagram of this embodiment.

[0033] Figure 2 This is a top view of this embodiment.

[0034] Figure 3 This is the embodiment. Figure 2 Sectional view along the AA direction.

[0035] Figure 4 This is the embodiment. Figure 3 Enlarged view of section C.

[0036] Figure 5 This is the embodiment. Figure 2 Sectional view along the BB direction.

[0037] Figure 6 This is the embodiment. Figure 3 Enlarged view of section D.

[0038] Explanation of reference numerals in the attached drawings: 100, frame; 110, first roller; 120, moving trough; 121, first trough; 130, support roller; 200, conveying roller group; 210, rotating roller; 300, working roller; 400, water spray pipe; 410, second water supply source; 411, water delivery pipe; 412, water pump; 420, first nozzle; 430, connection port; 500, opening and closing assembly; 510, connecting rod; 520, moving part; 521, threaded rod; 522 523. Moving block; 524. First motor; 525. Positive thread section; 526. Negative thread section; 600. Drive assembly; 610. Lead screw; 620. Guide rod; 630. Slider; 640. Second motor; 650. Mounting bracket; 700. First water outlet pipe; 710. Second nozzle; 720. First water supply source; 721. Pumping pipe; 722. Pressure pump; 730. Second water outlet pipe; 800. Support bar; 810. Connecting groove; 820. Chain. Detailed Implementation

[0039] The following is in conjunction with the appendix Figure 1-6 This application will be described in further detail.

[0040] This application discloses a cleaning and flattening device for aluminum-zinc coated steel sheets.

[0041] Reference Figure 1 and Figure 2 A cleaning and flattening device for aluminum-zinc coated steel sheets includes a frame 100 and a conveyor roller group 200.

[0042] Reference Figure 1 and Figure 3The frame 100 is rotatably connected to two work rollers 300, with the length direction of the work rollers 300 aligned with the width direction of the steel plate. The two work rollers 300 are arranged alternately in the vertical direction, and a gap is provided between the two work rollers 300 for the steel plate to pass through.

[0043] Reference Figure 1 and Figure 3 The frame 100 is connected to two first water outlet pipes 700, which are distributed vertically at intervals. The two first water outlet pipes 700 are spaced apart by gaps for steel plates to pass through, and are located on the discharge end side of the work roll 300. The water outlet of the first water outlet pipe 700 faces the work roll 300, and is used to spray water onto the work roll 300.

[0044] Reference Figure 1 and Figure 3 The conveyor roller assembly 200 includes six rotating rollers 210, which are sequentially distributed along the steel plate conveying direction. The length direction of each rotating roller 210 is aligned with the width direction of the steel plate. Simultaneously, the rotating rollers 210 also serve to side-stretch (remove wrinkles) and prevent wrinkles. The six rotating rollers 210 are evenly divided into two groups, with each group positioned on either side of the working roller 300 along the steel plate conveying direction. The rotating rollers 210 are rotatably connected to the frame 100. The steel plate passes sequentially through one group of rotating rollers 210, the working roller 300, and the other group of rotating rollers 210.

[0045] Reference Figure 1 and Figure 3 The frame 100 is rotatably connected to a first roller 110. There are two first rollers 110. The length direction of the first roller 110 is consistent with the length direction of the working roller 300. The two first rollers 110 are respectively located on both sides of the working roller 300 along the steel plate transport direction. The steel plate passes above the first roller 110 and passes through the rotating roller 210, the first roller 110, the working roller 300, the first roller 110, and the rotating roller 210 in sequence.

[0046] Reference Figure 1 and Figure 4 The frame 100 is connected to a water spray pipe 400. The length direction of the water spray pipe 400 is consistent with the length direction of the working roller 300. The water spray pipe 400 is located above the first roller 110. The water spray pipe 400 is connected to a second water supply source 410. The second water supply source 410 includes a water conveying pipe 411 and a water pump 412.

[0047] Reference Figure 1 and Figure 4 One end of the water supply pipe 411 is connected to the middle of the water spray pipe 400, and the water pump 412 is connected to the water supply pipe 411, and the water pump 412 inputs water into the water supply pipe 411.

[0048] Reference Figure 3 and Figure 4 A water spray pipe 400 is located on one side of the feed end of the work roller 300, and several first nozzles 420 are connected to the side of the water spray pipe 400 near the work roller 300. The outlets of the first nozzles 420 are inclined towards the side closer to the steel plate. The first nozzles 420 are connected to the outer circumferential wall of the water spray pipe 400, and the several first nozzles 420 are distributed at intervals along the length of the water spray pipe 400. Several connection ports 430 are opened on the outer circumferential wall of the water spray pipe 400. The depth direction of the connection ports 430 is consistent with the radial direction of the water spray pipe 400, and the several connection ports 430 are distributed at intervals along the length of the water spray pipe 400. The connection ports 430 communicate with the water spray pipe 400. Each connection port 430 corresponds to one of the first nozzles 420, and the first nozzles 420 communicate with the connection ports 430.

[0049] When the steel plate passes through the water spray pipe 400, the water pump 412 inputs water into the water spray pipe 400, and the water is sprayed onto the steel plate through the first nozzle 420, thereby wetting the steel plate, reducing the friction between the steel plate and the work roll 300, and cooling the work roll 300 to reduce damage to the work roll 300.

[0050] Reference Figure 1 and Figure 5 An opening / closing assembly 500 is connected inside the water spray pipe 400. The opening / closing assembly 500 includes connecting rods 510 and a moving part 520. Two connecting rods 510 are provided, with their length direction aligned with the length direction of the water spray pipe 400. The two connecting rods 510 are spaced apart along their length direction and pass through both sides of the water spray pipe 400 along its length direction. The two connecting rods 510 are respectively fitted onto both ends of the water spray pipe 400 along its length direction. The central axis of the connecting rods 510 is collinear with the central axis of the water spray pipe 400. The outer diameter of the connecting rods 510 is the same as the inner diameter of the water spray pipe 400, and the outer circumferential wall of the connecting rods 510 contacts the inner wall of the water spray pipe 400.

[0051] Reference Figure 5 A sealing sleeve (not shown in the figure) is fitted on one end of each connecting rod 510 close to each other. The central axis of the sealing sleeve of the connecting rod 510 is collinear with the central axis of the connecting rod 510. The sealing sleeve is made of rubber and the periphery of the sealing sleeve is pressed against the inner wall of the water spray pipe 400.

[0052] Reference Figure 1 and Figure 5The movable component 520 is connected to the frame 100. The movable component 520 is used to drive the two connecting rods 510 to move along the length of the water spray pipe 400 and move closer to or further away from each other. The frame 100 has a movable groove 120. The length direction of the movable groove 120 is consistent with the length direction of the water spray pipe 400. The movable groove 120 is located above the water spray pipe 400. The movable groove 120 includes two first grooves 121. The length direction of the first grooves 121 is consistent with the length direction of the water spray pipe 400. The two first grooves 121 are distributed alternately along the length direction of the water spray pipe 400. The first grooves 121 correspond one-to-one with the connecting rods 510. The first grooves 121 are located above the connecting rods 510.

[0053] Reference Figure 1 and Figure 5 The movable component 520 includes a threaded rod 521, a first motor 523, and a movable block 522. The length direction of the threaded rod 521 is consistent with the length direction of the water spray pipe 400. The threaded rod 521 is located above the connecting rod 510 and is rotatably connected to the movable groove 120. Both ends of the threaded rod 521 are rotatably connected to the inner walls of the two first grooves 121 along its length direction. The threaded rod 521 includes a positive thread section 524 and a negative thread section 525, which are respectively located in the two first grooves 121. There are two movable blocks 522, each corresponding to a first groove 121. The length direction of the movable block 522 is consistent with the vertical direction. The top of the movable block 522 is embedded in the first groove 121. The two movable blocks 522 are threaded onto the positive thread section 524, and the movable blocks 522 are slidably connected to the first grooves 121 along the length direction of the water spray pipe 400.

[0054] Reference Figure 1 and Figure 5 The movable block 522 corresponds one-to-one with the connecting rod 510, and the bottom end of the movable block 522 is connected to the end of the connecting rod 510 away from the other connecting rod 510. The first motor 523 is connected to the frame 100, and the output shaft of the first motor 523 extends along the length of the water spray pipe 400, and the output shaft of the first motor 523 is connected to one end of the threaded rod 521.

[0055] The first motor 523 drives the threaded rod 521 to rotate, thereby causing the moving block 522 to move along the length of the water spray pipe 400, and causing the connecting rod 510 to move along the length of the water spray pipe 400. The two connecting rods 510 move closer to each other or further away from each other, thereby adjusting the spraying range of the water spray pipe 400 according to the width of the steel plate and reducing water waste.

[0056] Reference Figure 3The frame 100 is rotatably connected to two support rollers 130. The length direction of the support rollers 130 is consistent with the length direction of the work roller 300. The two support rollers 130 are distributed vertically at intervals, and the two support rollers 130 are provided with spaces for placing the work roller 300. The support rollers 130 and work rollers 300 are located on the side of the work roller 300 that is vertical and away from the other work roller 300, and the outer circumferential wall of the support roller 130 is in contact with the outer circumferential wall of the work roller 300. The support rollers 130 contact and press the work rollers 300, driving the work rollers 300 to press the steel plate, thereby improving the pressing effect of the work rollers 300 on the steel plate.

[0057] Reference Figure 1 and Figure 3 A slider 630 is provided at one end of the first water outlet pipe 700 near the working roller 300. A drive assembly 600 is connected to the frame 100. Two drive assemblies 600 are provided, each corresponding to a slider 630. The two drive assemblies 600 are spaced apart vertically, with gaps between them for steel plates to pass through. The drive assemblies 600 are located on the discharge end side of the working roller 300, which is positioned between the first water outlet pipe 700 and the water spray pipe 400. The drive assembly 600 includes a lead screw 610, a guide rod 620, and a second motor 640. The length direction of the lead screw 610 is consistent with the length direction of the working roller 300, and the length direction of the guide rod 620 is consistent with the length direction of the lead screw 610. Both ends of the lead screw 610 are rotatably connected to the frame 100 along its length direction.

[0058] Reference Figure 1 and Figure 3 Two guide rods 620 are provided, connected to the frame 100, and spaced apart vertically. A lead screw 610 is located between the two guide rods 620. A slider 630 has its length aligned with the vertical direction, is threaded onto the lead screw 610, and slides along its length onto both guide rods 620. The slider 630 is slidably connected to the guide rods 620 along the length of the work roller 300. A second motor 640 is connected to the frame 100, and its output shaft extends along the length of the work roller 300 and is connected to one end of the lead screw 610.

[0059] Reference Figure 1 and Figure 3 The slider 630 is connected to a mounting bracket 650 at one end near the steel plate. One end of the mounting bracket 650 is connected to the slider 630 along its length, and the mounting bracket 650 is located on the side of the slider 630 near the support roller 130. The other end of the mounting bracket 650 is inclined toward the steel plate.

[0060] Reference Figure 1 and Figure 3 The mounting frame 650 corresponds one-to-one with the first water outlet pipe 700, and the first water outlet pipe 700 is connected to the mounting frame 650. The mounting frame 650 is also connected to the second water outlet pipe 730. The outlet of the second water outlet pipe 730 is set towards the support roller 130. One end of the outlet of the first water outlet pipe 700 is connected to the second nozzle 710, and the outlet of the second water outlet pipe 730 is also connected to the second nozzle 710. Both second nozzles 710 are connected to the mounting frame 650.

[0061] Reference Figure 1 and Figure 3 The second nozzle 710, connected to the first water outlet pipe 700, has its outlet facing the working roller 300, and the second nozzle 710, connected to the second water outlet pipe 730, has its outlet facing the support roller 130. The other end of the first water outlet pipe 700 is connected to a first water supply source 720. There are two first water supply sources 720, each corresponding to a mounting frame 650. The first water outlet pipe 700 and the second water outlet pipe 730 connected to the same mounting frame 650 are connected to one first water supply source 720. The first water supply source 720 includes a pumping pipe 721 and a pressure pump 722. The end of the first water outlet pipe 700 away from the second nozzle 710 is connected to the pressure pump 722, and the end of the second water outlet pipe 730 away from the second nozzle 710 is also connected to the pressure pump 722. The pumping pipe 721 is also connected to the pressure pump 722.

[0062] The second motor 640 drives the lead screw 610 to rotate, thereby causing the slider 630 to move along the length of the work roller 300. The first water outlet pipe 700 and the second water outlet pipe 730 move with the slider 630, and the pressure pump 722 inputs water into the first water outlet pipe 700 and the second water outlet pipe 730. The water is sprayed onto the work roller 300 and the support roller 130 through the second nozzle 710, thereby cleaning the work roller 300 and the support roller 130, reducing zinc dross particles on the surface of the work roller 300 and the support roller 130, and further improving the quality of the steel plate.

[0063] Reference Figure 1 and Figure 6 A support bar 800 is provided on the side of the lead screw 610 near the steel plate. The length direction of the support bar 800 is consistent with the length direction of the lead screw 610. A connecting groove 810 is provided on the side of the support bar 800 away from the steel plate. The length direction of the connecting groove 810 is consistent with the length direction of the support bar 800, and one end of the connecting groove 810 is open. A chain 820 is connected inside the connecting groove 810. One end of the chain 820 is connected to the inner wall of the connecting groove 810 near the opening of the connecting groove 810, and the other end of the chain 820 is connected to the end of the slider 630 near the steel plate.

[0064] Reference Figure 3 and Figure 6Both the first water outlet pipe 700 and the second water outlet pipe 730 are flexible hoses. The first water outlet pipe 700 and the second water outlet pipe 730 are arranged along the length of the chain 820. Both the first water outlet pipe 700 and the second water outlet pipe 730 are connected to the chain 820. One end of the first water outlet pipe 700 and the second water outlet pipe 730 passes through the opening of the connecting groove 810 and is connected to the pressure pump 722.

[0065] Reference Figure 1 and Figure 3 The frame 100 is rotatably connected to a water-squeezing roller (not shown in the figure). The water-squeezing roller is located on the discharge side of the working roller 300. The length direction of the water-squeezing roller is consistent with the length direction of the rotating roller 210. The water-squeezing roller is located above one of the rotating rollers 210. A gap is provided between the water-squeezing roller and the working roller 300 for the steel plate to pass through.

[0066] When the slider 630 moves along the length of the working roller 300, one end of the chain 820 moves with the slider 630. The chain 820 supports the first water outlet pipe 700 and the second water outlet pipe 730, thereby reducing damage to the first water outlet pipe 700 and the second water outlet pipe 730.

[0067] The implementation principle of a cleaning and flattening device for aluminum-zinc coated steel sheet according to an embodiment of this application is as follows: the rotating roller 210 rotates and transports the steel sheet. The steel sheet passes through the water spray pipe 400 and the working roller 300 in sequence. The working roller 300 presses the zinc dross particles on the surface of the steel sheet, thereby keeping the surface of the steel sheet as flat as possible and improving the quality of the steel sheet.

[0068] In use, the first water supply source 720 inputs water into the first water outlet pipe 700 and the second water outlet pipe 730, and sprays it onto the working roller 300 and the support roller 130 through the second nozzle 710. At the same time, the second motor 640 drives the lead screw 610 to rotate, causing the slider 630 to move along the length of the working roller 300. The second nozzle 710 moves with the slider 630, thereby cleaning and cooling the surface of the working roller 300 and the support roller 130, reducing zinc dross particles on the surface of the working roller 300 and the support roller 130, and minimizing the risk of zinc dross particles falling onto the steel plate surface or scratching the steel plate.

[0069] When the steel plate moves below the water spray pipe 400, the water pump 412 inputs water into the water spray pipe 400. The water is sprayed onto the surface of the steel plate through the first nozzle 420, thereby washing away some impurities on the steel plate surface, reducing impurities, and wetting the steel plate surface. This reduces friction between the steel plate and the work roller 300 and cools the work roller 300. When the water on the steel plate surface comes into contact with the work roller 300, the second nozzle 710 sprays water towards the work roller 300, thereby cooling the work roller 300 and minimizing overheating caused by prolonged friction between the work roller 300 and the steel plate, thus reducing damage to the work roller 300.

[0070] When the rotating roller 210 transports the steel plate between the two working rollers 300, the working rollers 300 press the zinc slag particles on the surface of the steel plate, thereby keeping the surface of the steel plate as flat as possible and improving the quality of the steel plate.

[0071] The above are all preferred embodiments of this application and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A cleaning and flattening device for aluminized zinc-coated steel sheets, comprising a frame (100) and a conveyor roller assembly (200), characterized in that: The frame (100) is rotatably connected to a work roller (300). There are two work rollers (300), and a gap is provided between the two work rollers (300) for the steel plate to pass through. The conveying roller group (200) is rotatably connected to the frame (100). The conveying roller group (200) is used to drive the steel plate to be transported and pass through the work rollers (300). The frame (100) is connected to a first water outlet pipe (700). There are two first water outlet pipes (700). The first water outlet pipes (700) correspond one-to-one with the work rollers (300). The first water outlet pipes (700) are all connected to a first water supply source (720). The first water outlet pipes (700) are used to spray water onto the work rollers (300).

2. The cleaning and flattening device for aluminized zinc-coated steel sheets according to claim 1, characterized in that: The first water outlet pipe (700) is connected to a slider (630) at one end near the water outlet. The slider (630) is slidably connected to the frame (100) along the length direction of the working roller (300). The slider (630) is connected to a drive assembly (600), which is connected to the frame (100). The drive assembly (600) is used to drive the slider (630) to move along the length direction of the working roller (300).

3. The cleaning and flattening device for aluminized zinc-coated steel sheets according to claim 2, characterized in that: The drive assembly (600) includes a lead screw (610), a guide rod (620), and a second motor (640). The length direction of the lead screw (610) is consistent with the length direction of the work roller (300), and the length direction of the guide rod (620) is consistent with the length direction of the lead screw (610). The lead screw (610) is rotatably connected to the frame (100), and the guide rod (620) is connected to the frame (100). The slider (630) is slidably sleeved on the guide rod (620) and threadedly sleeved on the lead screw (610). The second motor (640) is connected to the frame (100), and the output shaft of the second motor (640) is connected to one end of the lead screw (610).

4. The cleaning and flattening device for aluminized zinc-coated steel sheets according to claim 2, characterized in that: Each of the working rollers (300) is provided with a support roller (130) on the side away from the other working roller (300). The length direction of the support roller (130) is consistent with the length direction of the working roller (300). The support roller (130) is rotatably connected to the frame (100). The outer circumferential wall of the support roller (130) is in contact with the outer circumferential wall of the working roller (300).

5. A cleaning and flattening device for aluminized zinc-coated steel sheets according to claim 4, characterized in that: The slider (630) is also connected to a second water outlet pipe (730), the outlet of the second water outlet pipe (730) faces the support roller (130), and the second water outlet pipe (730) is connected to the first water supply source (720).

6. A cleaning and flattening device for aluminized zinc-coated steel sheets according to claim 5, characterized in that: Both the first water outlet pipe (700) and the second water outlet pipe (730) are flexible hoses. The frame (100) is connected to a support bar (800). The support bar (800) has a connecting groove (810). The length direction of the connecting groove (810) is consistent with the length direction of the working roller (300). The support bar (800) is connected to a chain (820). One end of the chain (820) is connected to the connecting groove (810), and the other end of the chain (820) is connected to the slider (630). The first water outlet pipe (700) and the second water outlet pipe (730) are arranged along the length direction of the chain (820). Both the first water outlet pipe (700) and the second water outlet pipe (730) are connected to the chain (820).

7. A cleaning and flattening device for aluminized zinc-coated steel sheets according to claim 1, characterized in that: The frame (100) is connected to a water spray pipe (400), which is connected to a second water supply source (410). The water supply source is used to input water into the water spray pipe (400). The water spray pipe (400) is located on one side of the feed end of the work roller (300) and is used to spray water onto the steel plate.

8. A cleaning and flattening device for aluminized zinc-coated steel sheets according to claim 7, characterized in that: The outer circumferential wall of the water spray pipe (400) is provided with a plurality of connection ports (430), the connection ports (430) are connected to the water spray pipe (400), the plurality of connection ports (430) are distributed sequentially along the length direction of the water spray pipe (400), and an opening and closing component (500) is connected inside the water spray pipe (400), the opening and closing component (500) is used to open or close the connection ports (430).

9. A cleaning and flattening device for aluminized zinc-coated steel sheets according to claim 8, characterized in that: The opening and closing assembly (500) includes a connecting rod (510) and a moving part (520). The length direction of the connecting rod (510) is consistent with the length direction of the water spray pipe (400). The two connecting rods (510) are respectively located on both sides of the water spray pipe (400) along the length direction of the water spray pipe (400). The connecting rod (510) passes through and is slidably connected to the inside of the water spray pipe (400) along its length direction. The outer circumferential wall of the connecting rod (510) contacts the inner wall of the water spray pipe (400). The moving part (520) is used to drive the connecting rod (510) to move.

10. A cleaning and flattening device for aluminized zinc-coated steel sheets according to claim 9, characterized in that: The frame (100) has a moving slot (120), the length direction of which is consistent with the length direction of the water spray pipe (400). The moving component (520) includes a threaded rod (521), a first motor (523), and a moving block (522). The length direction of the threaded rod (521) is consistent with the length direction of the water spray pipe (400). The threaded rod (521) is rotatably connected in the moving slot (120). The threaded rod (521) includes a positive thread section (524) and a negative thread section (525). The moving block (522) 522) There are two moving blocks (522) respectively threaded on the positive thread section (524). The moving blocks (522) correspond one-to-one with the connecting rod (510). The moving blocks (522) are connected to the end of the connecting rod (510) away from the water spray pipe (400). The moving blocks (522) are slidably connected in the moving groove (120) along the length direction of the water spray pipe (400). The first motor (523) is connected to the frame (100). The output shaft of the first motor (523) is connected to one end of the threaded rod (521).

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