Cold rolling device for aluminum alloy production

Abstract

The application provides an aluminum alloy production cold rolling device, relates to the technical field of aluminum material production equipment, and comprises a rack, a feeding mechanism, a feeding mechanism, a cold rolling mechanism, a discharging mechanism and a winding mechanism which are sequentially arranged along a feeding direction; the feeding mechanism comprises a feeding suction plate which is slidingly installed on the rack along the length direction of the rack, a feeding suction cavity is arranged in the feeding suction plate, and a plurality of feeding suction discs which are in communication with the feeding suction cavity are arranged at the bottom of the feeding suction plate; the discharging mechanism comprises a discharging suction plate which is slidingly installed on the rack along the length direction of the rack, a discharging suction cavity is arranged in the discharging suction plate, and a plurality of discharging suction discs which are in communication with the discharging suction cavity are arranged at the bottom of the discharging suction plate; a cleaning mechanism is arranged on the side of the feeding suction plate which is far away from the feeding mechanism, a liquid spraying mechanism is arranged on the side of the feeding suction plate which is close to the cold rolling mechanism, and a liquid cleaning mechanism is arranged on the side of the discharging suction plate which is close to the cold rolling mechanism. The application can realize traction of the end of the strip and transmission of the tail end of the strip, reduces material waste in the rolling process of the strip, and guarantees the rolling quality of the strip.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of aluminum material production equipment, and particularly relates to a cold rolling device for aluminum alloy production. BACKGROUND

[0002] In the early production process of aluminum alloy products, it is basically unavoidable to pass through a cold rolling process, so as to enhance the strength and hardness of the strip through cold work hardening, and make the strip obtain the required thickness. Before the current cold rolling mill starts rolling, the end of the strip needs to be sent from the feeding end to the discharging end, the end of the strip is first fixed to the winding mechanism, and then rolling can be carried out; when the remaining material on the feeding mechanism of the feeding end is insufficient, it needs to be cut off. This results in a waste of about the length of the cold rolling mill at the end and tail of each roll of strip, greatly increasing the production cost.

[0003] To solve the above technical problems, a cold rolling mill and cold rolling process for steel strip are disclosed in a Chinese patent with the authorization publication number CN112404127B. By pulling the strip blank to move the steel strip to be rolled, the cold rolling effect of the starting end of the steel strip to be rolled can be ensured, and the problem of poor cold rolling effect or even affecting the service life of the cold rolling mechanism due to the lack of traction at the initial end of the steel strip to be rolled is avoided. The cold rolling effect of the starting end of the steel strip to be rolled is ensured, and the service life of the cold rolling mechanism is improved.

[0004] However, in actual use, the strip blank and the steel strip to be rolled need to be welded before rolling. If the weld is too large, it will protrude from the surface of the steel strip, which may damage the surface of the steel strip during the rolling process, especially if the welding slag adheres to the rolling roller, which will have a continuous adverse effect on the subsequent rolling of the steel strip. If the weld is too small, it will lead to unstable connection, and the welding operation will be difficult, which will put higher requirements on the welding equipment and welding technology. SUMMARY

[0005] The purpose of the present application is to provide a cold rolling device for aluminum alloy production, which can realize the traction of the end of the strip and the conveying of the tail end of the strip, reduce the material waste in the rolling process of the strip, and ensure the rolling quality of the strip.

[0006] The above technical purpose of the present application is achieved by the following technical scheme:

[0007] A cold rolling device for aluminum alloy production, comprising a rack arranged along the feeding direction, wherein one end of the rack close to the feeding end is provided with a feeding mechanism, and one end of the rack close to the discharging end is provided with a winding mechanism, a cold rolling mechanism is arranged between the feeding mechanism and the winding mechanism, a feeding mechanism is arranged between the feeding mechanism and the cold rolling mechanism, and a discharging mechanism is arranged between the winding mechanism and the cold rolling mechanism.

[0008] The cold rolling mechanism comprises cold rolling frames vertically arranged and installed on both sides of the frame, and two symmetrical and lengthwise arranged rollers are rotatably installed on the cold rolling frames;

[0009] The feeding mechanism comprises a feeding suction plate arranged widthwise on the frame, and the feeding suction plate is slidably installed on the frame at both ends lengthwise; the feeding suction plate is provided with a feeding suction cavity, and the bottom of the feeding suction plate is provided with a plurality of feeding suction discs in a rectangular array and communicated with the feeding suction cavity; and the feeding suction plate is provided with a feeding fan communicated with the feeding suction cavity;

[0010] The discharging mechanism comprises a discharging suction plate arranged widthwise on the frame, and the discharging suction plate is slidably installed on the frame at both ends lengthwise; the discharging suction plate is provided with a discharging suction cavity, and the bottom of the discharging suction plate is provided with a plurality of discharging suction discs in a rectangular array and communicated with the discharging suction cavity; and the discharging suction plate is provided with a discharging fan communicated with the discharging suction cavity;

[0011] The side of the feeding suction plate away from the feeding mechanism is provided with a cleaning mechanism, the side of the cold rolling frame close to the feeding suction plate is provided with a liquid spraying mechanism matched with the rollers, and the side wall of the discharging suction plate close to the cold rolling frame is provided with a liquid cleaning mechanism.

[0012] By adopting the above technical scheme, the aluminum material roll to be rolled is installed at the feeding mechanism, initially, the feeding suction plate is close to the feeding mechanism, and the discharging mechanism is close to the cold rolling mechanism. When the end of the strip is pulled, the end of the strip is first manually pulled to the feeding mechanism, and a small part of the end of the strip extends from the feeding suction plate close to the cold rolling mechanism, then the feeding fan is started, and the feeding suction disc is fixed on the surface of the strip through the feeding suction cavity. Then the feeding suction plate is driven to slide along the frame to be close to the cold rolling mechanism, the end of the strip is pulled to the cold rolling mechanism, the end of the strip is sent between the two rollers and closed to the feeding suction plate, and the feeding fan is closed. Then the discharging fan is started, and the discharging suction disc is fixed on the surface of the strip through the discharging suction cavity; the cold rolling mechanism is started, the two rollers are rotated to roll the strip, and the discharging suction plate drives the end of the strip to be close to the winding mechanism along the length direction of the frame. In the process of pulling the end of the strip by the discharging suction plate, the strip passing through the rollers is rolled. After the end of the strip is pulled to the winding mechanism, a small part of the end of the strip is continuously rolled, then the discharging fan is closed, the end of the strip is wound on the winding mechanism for winding, and then the discharging suction plate is reset. In this way, the end of the strip is pulled, only a small part of the end of the strip needs to be processed, and the waste of the strip is small.

[0013] When the aluminum material roll on the feeding mechanism is insufficient, the feeding fan is started to make the feeding suction plate fix the tail end of the strip from the upper surface of the strip, and then the feeding suction plate as a whole slides along the rack to approach the cold rolling mechanism, so as to avoid that the tail end of the strip is loose and cannot be rolled, and also avoid that the tail end of the strip shakes suddenly after losing fixation, which affects the rolling quality of the roller on the strip. When the tail end of the strip approaches the cold rolling mechanism, the discharging suction plate works, the discharging suction plate fixes the tail end of the strip, the feeding suction plate stops working, and the discharging suction plate as a whole slides along the rack to approach the winding mechanism, so as to send the tail end of the strip to the winding mechanism. In this way, the tail end of the strip is conveyed, only a small part of the tail end of the strip needs to be treated, and the waste of the strip is small.

[0014] The feeding mechanism and the discharging mechanism of the application utilize vacuum adsorption to fix the end and tail of the strip, realize the traction of the end of the strip and the conveying of the tail of the strip, reduce the material waste in the rolling process of the strip, and ensure the rolling quality of the strip. A cleaning mechanism is arranged on the side of the feeding suction plate close to the feeding mechanism, and the surface of the strip is cleaned before rolling, so as to ensure the cleanliness of the surface of the strip, ensure the rolling quality of the strip, and avoid impurities from affecting the continuous rolling effect of the roller. The liquid spraying mechanism sprays emulsion on the rolling position of the roller and the strip, so as to ensure the rolling quality of the strip, avoid the temperature of the roller being too high after long-time work, and cool the surface of the strip and the roller. The liquid cleaning mechanism wipes and dries the surface of the rolled strip, on the one hand, so as to ensure that the strip can be relatively dry and be wound, avoid the excess emulsion from affecting the normal work of the subsequent process, and on the other hand, avoid the emulsion from affecting the adsorption and fixation of the surface of the strip by the discharging suction plate.

[0015] Further, the feeding mechanism comprises a feeding rack arranged at one end of the rack, a feeding shaft arranged along the width direction of the rack is rotationally installed on the feeding rack, and a feeding roll coaxial with the feeding shaft is clamped on the feeding shaft; a feeding pressure roller parallel to the feeding shaft is arranged above the feeding shaft, vertical sliding shaft seats are arranged on the feeding rack at both ends of the feeding pressure roller, the feeding pressure roller is rotationally installed on the corresponding shaft seat at both ends, and the outer wall of the feeding pressure roller is always in abutment with the outer wall of the feeding roll; a clamping mechanism is arranged at one end of the rack close to the feeding rack, the clamping mechanism comprises a clamping shaft arranged along the width direction of the rack, and the strip loosened from the feeding roll passes below the clamping shaft, and clamping seats matched with both sides of the strip loosened from the feeding roll are arranged at both ends of the clamping shaft.

[0016] The technical scheme is adopted, the material unwinding roll is clamped on the material unwinding shaft, the material unwinding shaft drives the material unwinding roll to rotate to loosen the strip, the material unwinding roller is vertically slidably arranged on the material unwinding frame, and the material unwinding roller is always in abutment with the material unwinding roll during the material unwinding process, so that the strip on the material unwinding roll is prevented from loosening during the material unwinding process, and the stability of the strip conveying process is ensured; on the other hand, the strip on the material unwinding roll is prevented from suddenly tumbling and shaking and being separated from the material unwinding shaft when the strip on the material unwinding roll is insufficient, and the rolling quality of the cold rolling mechanism on the strip is prevented from being affected. The strip on the material unwinding roll is wound around the material unwinding shaft from below and passes through the two clamping seats, and the material unwinding shaft is used for mounting the two clamping seats and also serves as a material pressing device for the strip to prevent the strip from tumbling. The two clamping seats can not only clamp and fix the strip at the end and tail of the strip to assist the feeding suction plate to work better, but also limit the strip from both sides to prevent the strip from deviating, especially during the end traction process, to ensure the rolling quality of the strip and the winding quality of the strip after rolling.

[0017] Further, the opposite side of the two clamping seats is provided with a clamping groove, the bottom of the material pressing shaft is provided with an adjusting groove arranged along the length direction of the material pressing shaft, the upper end of the two clamping seats is slidably arranged in the adjusting groove, the strip loosened by the material unwinding roll passes through the clamping groove horizontally from below the material pressing shaft, the upper and lower side walls of the clamping groove near the material unwinding frame are provided with arc transition surfaces, the two arc transition surfaces form a guide inlet communicated with the clamping groove, and the opening of the guide inlet communicated with the clamping groove at one end is smaller than the opening of the guide inlet away from the clamping groove at the other end.

[0018] By adopting the technical scheme, the upper end of the clamping seat is slidably arranged in the adjusting groove, the two clamping seats are slidably arranged on the material pressing shaft, the distance between the two clamping seats is adjusted, the clamping seats can limit and guide strips of different widths, and the application range of the present application is improved. The arc transition surfaces are arranged at one end of the clamping groove to form a guide inlet, the strip can smoothly pass through the clamping groove during the end traction of the strip, the structure is simple, the operation is convenient, and the effect is obvious.

[0019] Further, the two clamping grooves are respectively provided with clamping plates arranged along the length direction of the material pressing shaft and located below the material pressing shaft, the ends of the two clamping plates away from each other are vertically slidably arranged in the corresponding clamping grooves, the lower end surface of the clamping plate located in the clamping groove is provided with a vertically arranged sliding rod, the bottom wall of the clamping groove is provided with a sliding hole matched with the sliding rod, the end of the sliding rod away from the clamping plate is slidably arranged in the sliding hole, a tension spring with a vertical axis is arranged between the end of the sliding rod away from the clamping plate and the end wall of the sliding hole away from the clamping plate, electromagnets matched with each other are respectively embedded in the lower end surface of the clamping plate and the bottom wall of the clamping groove, in a normal state, the electromagnets are electrified, the tension spring is compressed, and the lower end surface of the clamping plate is horizontally attached to the bottom wall of the clamping groove. A meter counter is arranged on the material unwinding shaft, and the meter counter is communicatively connected with the electromagnets for feedback control.

[0020] By adopting the technical scheme, the clamping plate is vertically slidably installed in the clamping groove through the cooperation of the slide rod and the slide hole, the tension spring is compressed when the electromagnet is powered on in normal state, and the clamping plate and the clamping groove are attached without affecting the normal transmission of the strip. When the metering device shows that the remaining amount of the strip on the pay-off roll is insufficient and reaches the set reminding value, the metering device communicates and feeds back to control the electromagnet to be powered off, the clamping plate is driven to move upward under the action of the tension spring, a certain pressure is applied to the lower surface of the strip by the clamping plate, the tail end of the strip is prevented from being separated from the clamping groove directly, and meanwhile, the clamping plate cooperates with the pressing shaft to perform a certain straightening treatment on the surface of the strip during the feeding process of the tail end of the strip, so that the rolling quality of the tail end of the strip is ensured.

[0021] Further, the feeding suction plate is provided with a cleaning plate arranged along the length direction of the feeding suction plate on the side close to the pay-off mechanism, the side wall of the feeding suction plate is provided with a vertically arranged cleaning slide groove, the upper end of the cleaning plate is vertically slidably installed in the cleaning slide groove, and a pressing spring is arranged between the upper end of the cleaning plate and the cleaning slide groove, and the pressing spring is vertically arranged and arranged in an array along the length direction of the cleaning plate.

[0022] By adopting the technical scheme, the upper surface of the strip is cleaned by the cleaning plate before the strip enters the position directly below the feeding suction plate, the cleaning of the surface of the strip is ensured, and the adsorption and fixing effect of the feeding suction plate on the surface of the strip is ensured. The cleaning plate is vertically slidably installed in the cleaning slide groove, the cleaning plate can clean strips of different thicknesses, and the cleaning plate can be closely attached to the upper surface of the strip under the pressing action of the pressing spring, so that the cleaning effect on the surface of the strip is ensured.

[0023] Further, the cleaning mechanism comprises a cleaning frame arranged on the side of the feeding suction plate close to the cold rolling frame, the cleaning frame is fixed to the side wall of the feeding suction plate through a connecting rod, and the cleaning frame is provided with a cleaning groove matched with the strip, and the cleaning groove is provided with a cleaning cotton body attached to the inner wall thereof; a cleaning cavity is arranged in the cleaning frame, a plurality of cleaning holes communicating with the cleaning cavity are arranged in the inner wall of the cleaning groove, and the cleaning cotton body covers the cleaning holes; a cleaning liquid tank is arranged below the frame, and the cleaning liquid tank communicates with the cleaning cavity through a cleaning hose.

[0024] By adopting the technical scheme, the strip passing below the feeding suction plate passes through the cleaning groove, the inner peripheral wall of the cleaning cotton body is attached to the outer peripheral surface of the strip, and the outer peripheral surface of the strip is cleaned by the cleaning cotton body during the forward conveying of the strip, so that the rolling quality of the strip by the roll is not affected by the attachment of debris and other sundries on the outer peripheral surface of the strip. In the working process of the cleaning cotton body, the cleaning liquid tank adds cleaning liquid into the cleaning cavity through the cleaning hose, the cleaning liquid in the cleaning cavity penetrates into the cleaning cotton body through the cleaning holes, so that the cleaning effect of the cleaning cotton body soaked with the cleaning liquid on the surface of the strip is better, and the cleaning cotton body can also remove oil stains and other stains on the surface of the strip, so that the cleaning effect on the surface of the strip is ensured.

[0025] Further, the cleaning frame is provided with a liquid receiving groove below the cleaning groove on the side close to the feeding suction plate, which is open at the upper end and extends along the length direction of the cleaning frame; a scraper is arranged above the liquid receiving groove and slides along the length direction of the cleaning frame.

[0026] By using the above technical scheme, the excess cleaning liquid is squeezed out or seeped out after the cleaning cotton body is used for a long time. The excess liquid or sundries on the side of the cleaning frame close to the feeding suction plate can affect the working effect of the cleaning cotton body. The liquid or sundries on the lower surface and both sides of the strip can naturally flow into the liquid receiving groove under the action of gravity. When the liquid or sundries on the upper surface of the strip accumulate to a certain extent, the scraper is driven to slide from one end of the cleaning frame to the other end, so as to push and scrape the liquid and sundries accumulated on the upper surface of the strip and make them flow into the liquid receiving groove. In this way, the cleaning effect of the cleaning cotton body on the surface of the strip is ensured, and the structure is simple, convenient to operate and obvious in effect.

[0027] Further, the liquid spraying mechanism comprises a liquid spraying pipe arranged on the side wall of the cold rolling frame and extending along the length direction of the roller, two liquid spraying pipes are arranged above and below the liquid spraying pipe and correspond to the two rollers respectively; a plurality of liquid spraying branch pipes are arranged along the length direction of each liquid spraying pipe and communicate with the liquid spraying pipe, the liquid spraying branch pipes are arranged obliquely and the end away from the corresponding liquid spraying pipe is close to the corresponding roller; a liquid supply tank is arranged on one side of the frame and communicates with the liquid spraying pipe through a liquid supply hose; a waste liquid tank is further arranged below the liquid spraying mechanism and between the liquid spraying mechanism and the winding mechanism.

[0028] By using the above technical scheme, the liquid supply tank continuously adds the emulsion to the liquid spraying pipe through the liquid supply hose. The emulsion is sprayed to the upper and lower surfaces of the two rollers and the strip being rolled through the plurality of liquid spraying branch pipes, so as to ensure the rolling quality of the strip and avoid the temperature of the roller being too high after long time working. The emulsion flowing down from the strip is collected in the waste liquid tank, so as to realize the recycling of the excess emulsion and ensure the relative cleanness of the production environment. The waste liquid tank is vertically arranged between the liquid spraying mechanism and the winding mechanism, so as to collect the emulsion cleaned by the liquid cleaning mechanism without the need of additionally arranging other structures, thereby reducing the load of the discharging mechanism.

[0029] Further, the liquid cleaning mechanism comprises a U-shaped frame arranged on the side close to the cold rolling frame of the discharging suction plate and above the waste liquid tank, a U-shaped liquid absorbing cotton is arranged on the side wall of the U-shaped frame close to the cold rolling frame, and upper and lower symmetrical and horizontally arranged blowing plates are arranged on the side wall of the U-shaped frame away from the cold rolling frame, and the side of the blowing plates close to each other is provided with a blowing port arranged along the length direction of the blowing plate.

[0030] Through adoption of the above technical scheme, the strip passes through the meandering absorbing cotton and the meandering frame before entering the directly below the discharging suction plate, and the meandering absorbing cotton is used to wipe dry and clean the excess emulsion and other rolling impurities on the surface of the strip. After the strip is sent out from the directly below the discharging suction plate, it passes through between the two blowing plates, and the blowing ports of the two blowing plates blow and dry the upper and lower surfaces of the strip, so as to ensure the cleanliness and relative dryness of the surface of the strip.

[0031] Further, the meandering frame is further provided with a meandering extrusion frame close to the side wall of the cold rolling frame, the meandering absorbing cotton is located between the meandering extrusion frame and the meandering frame, and the meandering extrusion frame is slidingly installed on the meandering frame along the length direction of the frame; the side wall of the meandering frame close to the meandering absorbing cotton is provided with a meandering extrusion opening, the meandering frame is provided with a liquid collecting cavity in communication with the meandering extrusion opening, and the bottom of the meandering frame is provided with a plurality of liquid outlets in communication with the liquid collecting cavity along the length direction of the meandering frame.

[0032] Through adoption of the above technical scheme, when the meandering absorbing cotton works for a long time, it will absorb a large amount of emulsion, and when it reaches a saturated state, it will not be able to continue to absorb the emulsion, which will affect the wiping dry effect of the meandering absorbing cotton on the surface of the strip and increase the working burden of the blowing plate. Therefore, the sliding meandering extrusion frame is provided, the meandering extrusion frame is intermittently driven to slide close to the meandering frame, the meandering extrusion frame is used to extrude the meandering absorbing cotton, the excess emulsion on the meandering absorbing cotton directly falls into the waste liquid tank, and the other part of the excess emulsion enters the liquid collecting cavity from the meandering extrusion opening and then falls into the waste liquid tank from the liquid outlet. The meandering extrusion frame is thus arranged to intermittently extrude the meandering absorbing cotton, so as to ensure the wiping dry effect of the meandering absorbing cotton on the surface of the strip, and the structure is simple, convenient to operate and obvious in effect.

[0033] In summary, the present application has the following advantages:

[0034] 1. The present application uses the feeding suction plate and the discharging suction plate to fix the end and tail of the strip and realize the traction of the end of the strip and the transmission of the tail end of the strip when the end of the strip is preliminarily pulled and the tail of the strip is insufficient, without welding the end and tail of the strip, so as to reduce the material waste in the rolling process of the strip and ensure the rolling quality of the strip.

[0035] 2. The present application is provided with the clamping mechanism including the pressing shaft, the clamping seat and the clamping plate on the side of the feeding mechanism close to the winding mechanism, so as to limit the strip from both sides in the transmission process of the strip, avoid the deviation of the strip in the transmission process of the strip and ensure the rolling quality of the strip; when the tail of the strip is insufficient, the clamping mechanism avoids the strip from tumbling and separating, which affects the rolling quality of the strip, and at the same time, the clamping plate cooperates with the pressing shaft to straighten the surface of the strip in the feeding process of the tail of the strip, so as to ensure the rolling quality of the tail of the strip.

[0036] 3. The application sets a cleaning mechanism on the side of the new material suction plate far from the material placing mechanism, and sets a cleaning liquid mechanism on the side of the material discharging suction plate close to the cold rolling mechanism, the cleaning mechanism carries out cleaning treatment on the surface of the strip before rolling, to ensure the cleanliness of the surface of the strip, to ensure the rolling quality of the strip, and to avoid impurities affecting the continuous rolling effect of the roller; the cleaning liquid mechanism carries out wiping dry treatment on the surface of the strip after rolling, to ensure that the strip can be relatively dry to be rolled, to avoid the influence of the excess emulsion on the normal work of the subsequent process, and to avoid the influence of the emulsion on the adsorption and fixation of the strip surface by the material discharging suction plate. BRIEF DESCRIPTION OF DRAWINGS

[0037] Figure 1 It is a schematic diagram of the overall structure of the cold rolling device for aluminum alloy production;

[0038] Figure 2 It is a schematic diagram of the structure of the material placing mechanism to the cold rolling mechanism in the cold rolling device for aluminum alloy production;

[0039] Figure 3 It is a schematic diagram of the structure of the material clamping mechanism in the cold rolling device for aluminum alloy production;

[0040] Figure 4 It is a schematic diagram of the structure of the material feeding mechanism to the cold rolling mechanism in the cold rolling device for aluminum alloy production;

[0041] Figure 5 It is a schematic diagram of the structure of the cold rolling mechanism to the winding mechanism in the cold rolling device for aluminum alloy production;

[0042] Figure 6 It is Figure 5 the enlarged view of part A in

[0043] Figure 7 It is a sectional view of the cleaning mechanism in the cold rolling device for aluminum alloy production;

[0044] Figure 8 It is Figure 5 the enlarged view of part B in

[0045] 01, frame; 011, feeding groove; 012, discharging groove; 1, unwinding mechanism; 11, unwinding frame; 111, guide groove; 12, unwinding shaft; 121, meter; 13, unwinding roll; 14, unwinding pressure roller; 15, pressure roller shaft seat; 16, pressure spring; 17, limiting block; 2, clamping mechanism; 21, pressure shaft; 211, adjusting groove; 22, clamping seat; 221, adjusting cylinder; 23, clamping groove; 231, arc transition surface; 232, sliding hole; 24, guide inlet; 25, clamping plate; 251, sliding rod; 252, tension spring; 26, electromagnet; 3, feeding mechanism; 31, feeding suction plate; 311, feeding screw; 312, feeding motor; 32, feeding suction cavity; 33, feeding suction disc; 34, feeding fan; 35, cleaning plate; 36, cleaning sliding groove; 37, abutting spring; 4, cleaning mechanism; 41, cleaning frame; 411, connecting rod; 412, cleaning cavity; 413, cleaning hole; 42, cleaning groove; 43, cleaning cotton body; 44, cleaning liquid tank; 441, cleaning hose; 45, liquid receiving groove; 46, scraper; 461, scraping groove; 462, material scraping screw; 5, liquid spraying mechanism; 51, liquid spraying pipe; 52, liquid spraying branch pipe; 53, liquid supply tank; 531, liquid supply hose; 54, waste liquid tank; 6, cold rolling mechanism; 61, cold rolling frame; 62, roller; 63, cold rolling motor; 64, cold rolling seat; 65, cold rolling cylinder; 7, liquid cleaning mechanism; 71, return frame; 711, return extrusion liquid outlet; 712, liquid collecting cavity; 713, liquid outlet; 72, return liquid suction cotton; 73, air blowing plate; 731, air blowing port; 732, air blower; 74, return extrusion frame; 741, extrusion cylinder; 8, discharging mechanism; 81, discharging suction plate; 811, discharging screw; 812, discharging motor; 82, discharging suction cavity; 83, discharging suction disc; 84, discharging fan; 9, winding mechanism; 91, winding shaft; 92, pressure roller; 921, pressure cylinder; 93, cutting knife; 931, cutting cylinder; 94, waste edge basket; 10, control console. DETAILED DESCRIPTION

[0046] The application will be further described below in conjunction with the drawings and examples. It should be understood that the specific examples described herein are intended to explain the application and are not intended to limit the application.

[0047] A cold rolling device for producing aluminum alloy, comprising Figure 1As shown, it comprises a rack 01 arranged along the feeding direction, a feeding mechanism 1 arranged at one end of the rack 01 close to the feeding end for feeding the strip to be rolled, a winding mechanism 9 arranged at one end of the rack 01 close to the discharging end for winding the rolled strip, and a cold rolling mechanism 6 arranged between the feeding mechanism 1 and the winding mechanism 9 for rolling the strip. A clamping mechanism 2 for limiting the strip and a feeding mechanism 3 for fixedly pulling and conveying the end and tail of the strip are arranged in sequence between the feeding mechanism 1 and the cold rolling mechanism 6, a cleaning mechanism 4 for cleaning the surface of the strip is arranged at one side of the feeding mechanism 3 close to the cold rolling mechanism 6, and a liquid spraying mechanism 5 for spraying emulsion on the cold rolling mechanism 6 is arranged between the cleaning mechanism 4 and the cold rolling mechanism 6. A discharging mechanism 8 for fixedly pulling and conveying the end and tail of the strip is arranged between the winding mechanism 9 and the cold rolling mechanism 6, and a liquid cleaning mechanism 7 for wiping the surface of the strip with emulsion is arranged at one side of the discharging mechanism 8 close to the cold rolling mechanism 6.

[0048] As shown in Figure 1 , the feeding mechanism 1 feeds the strip to be rolled, which passes through the clamping mechanism 2, the feeding mechanism 3, the cleaning mechanism 4, the liquid spraying mechanism 5, the cold rolling mechanism 6, the liquid cleaning mechanism 7, and the discharging mechanism 8 in sequence, and is finally wound by the winding mechanism 9. The feeding mechanism 3 and the discharging mechanism 8 only work when the end and tail of the strip are pulled and conveyed, and the other components work continuously and cooperatively during the rolling process of the strip. A control console 10 for controlling the automatic work and linkage of the mechanisms in the present application through PLC control technology is arranged at one side of the rack 01. The PLC control technology is a prior art and will not be described in detail.

[0049] As shown in Figure 1 and Figure 2 , in the present embodiment, the cold rolling mechanism 6 comprises two cold rolling racks 61 arranged vertically and mounted on the rack 01 and located at both sides of the rack 01, two symmetrical upper and lower rollers 62 arranged along the length direction of the rack 01 are arranged between the two cold rolling racks 61, the ends of the two rollers 62 are respectively provided with cold rolling seats 64 mounted on the cold rolling racks 61, the ends of the rollers 62 are positioned and rotatably mounted on the corresponding cold rolling seats 64, and are respectively connected with cold rolling motors 63 for driving the rotation of the rollers 62 to roll the strip. In order to adapt to the rolling of strips with different thicknesses, the upper cold rolling seat 64 is vertically slidably mounted on the cold rolling rack 61, and its driving mode can be the same as that in the prior art, which is not the innovation point of the present application and will not be described in detail. In the present embodiment, a cold rolling cylinder 65 vertically arranged above the cold rolling seat 64 is selected to drive the vertical sliding of the cold rolling seat 64.

[0050] The specific structures of the remaining mechanisms along the feeding direction will be described in detail below.

[0051] As shown in Figure 2As shown, in the present embodiment, the feeding mechanism 1 includes a feeding rack 11 arranged at one end of the rack 01, a feeding shaft 12 arranged along the width direction of the rack 01 is rotatably positioned on the feeding rack 11, and a feeding roll 13 coaxial with the feeding shaft 12 is clamped on the feeding shaft 12. The feeding roll 13 is an aluminum roll wound by the strip to be rolled. In order to avoid the strip from being loose during rolling, especially when the remaining material on the feeding roll 13 is insufficient, a feeding press roller 14 parallel to the feeding shaft 12 is arranged above the feeding shaft 12. The feeding press roller 14 is rotatably positioned on the corresponding press roller shaft seat 15 arranged at both ends of the feeding press roller 14. A guide groove 111 vertically arranged and matched with the press roller shaft seat 15 is arranged on the feeding rack 11. The press roller shaft seat 15 is vertically slidably arranged in the guide groove 111. A vertical material pressing spring 16 is arranged between the upper end of the press roller shaft seat 15 and the upper end wall of the guide groove 111. Under the pushing force of the material pressing spring 16, the outer wall of the feeding press roller 14 is always in abutment with the outer wall of the feeding roll 13.

[0052] As shown in Figure 2 , in order to avoid the feeding press roller 14 affecting the installation of the feeding roll 13, a limiting block 17 is rotatably positioned on the feeding rack 11 at one side of the guide groove 111 and close to the upper end thereof. One end of the limiting block 17 is rotatably positioned on the feeding rack 11, and the rotating axis thereof is vertically arranged. In the normal state, the limiting block 17 is rotated to be parallel to the feeding press roller 14, thereby avoiding affecting the vertical sliding of the press roller shaft seat 15. When installing the feeding roll 13, the feeding press roller 14 is lifted upward to make the press roller shaft seat 15 located above the limiting block 17, and the material pressing spring 16 is compressed. The limiting block 17 is rotated to be below the press roller shaft seat 15 to make it perpendicular to the feeding press roller 14. The lower end surface of the press roller shaft seat 15 abuts against the upper end surface of the limiting block 17, thereby limiting and supporting the press roller shaft seat 15, making the press roller shaft seat 15 away from the feeding shaft 12, and facilitating the installation of the feeding roll 13. After the installation of the feeding roll 13 is completed, the limiting block 17 is rotated to be reset, and the supporting effect of the limiting block 17 on the press roller shaft seat 15 is released.

[0053] As shown in Figure 2 and Figure 3 , in the present embodiment, a material clamping mechanism 2 is arranged at one end of the rack 01 close to the feeding rack 11. The material clamping mechanism 2 includes a material pressing shaft 21 arranged along the width direction of the rack 01. The material pressing shaft 21 is arranged at both ends of the rack 01. Opposite sides of the two clamping seats 22 arranged at both ends of the material pressing shaft 21 are provided with open U-shaped clamping grooves 23. Figure 1 and Figure 3 , the strip wound by the feeding roll 13 passes below the material pressing shaft 21 and horizontally passes through the clamping grooves 23 of the two clamping seats 22. The two clamping seats 22 limit the strip from both sides during the strip transmission, thereby avoiding the deviation of the strip during the strip transmission and ensuring the rolling quality of the strip. When the remaining material at the tail end of the strip is insufficient, the two clamping seats 22 cooperate with the material pressing shaft 21 to avoid the strip from being loose and affecting the rolling quality of the strip.

[0054] As shown in Figure 2 and Figure 3 , on the upper and lower side walls of the clamping groove 23 near the one side of the material placing frame 11, arc transition surfaces 231 are arranged, which protrude towards the clamping groove 23, so that the two arc transition surfaces 231 form a guide inlet 24 communicating with the clamping groove 23, and the opening of the end of the guide inlet 24 communicating with the clamping groove 23 is smaller than that of the end away from the clamping groove 23, so that the strip can smoothly pass through the clamping groove 23 when the end of the strip is pulled. As shown in Figure 3 , in order to realize that the clamping seat 22 can limit the strip of different widths, an adjusting groove 211 is arranged on the bottom of the pressing shaft 21 along the length direction, the upper ends of the two clamping seats 22 are slidingly installed in the adjusting groove 211, and the clamping groove 23 is located below the adjusting groove 211, and the upper end opening of the clamping groove 23 is not higher than the lower end opening of the adjusting groove 211. As shown in Figure 2 and Figure 3 , in order to realize the sliding adjustment of the two clamping seats 22 in the adjusting groove 211 to adjust the distance between the two clamping seats 22, adjusting cylinders 221 are arranged on the sides of the two clamping seats 22 away from each other and are installed on the rack 01.

[0055] As shown in Figure 3 , in order to realize the clamping and fixing of the strip when the tail end of the strip is insufficient, clamping plates 25 are arranged in the two clamping grooves 23 and are located below the pressing shaft 21 along the length direction of the pressing shaft 21, the ends of the two clamping plates 25 away from each other are slidingly installed in the corresponding clamping grooves 23, and the ends of the two clamping plates 25 close to each other have a certain distance. A sliding rod 251 is vertically arranged on the lower end face of the end of the clamping plate 25 located in the clamping groove 23, a sliding hole 232 is arranged in the bottom wall of the clamping groove 23 and is vertically arranged on the axis and cooperates with the sliding rod 251, and the end of the sliding rod 251 away from the clamping plate 25 is slidingly installed in the sliding hole 232. A tension spring 252 is arranged between the lower end of the sliding rod 251 and the lower end wall of the sliding hole 232 and is vertically arranged on the axis, and electromagnets 26 are embedded in the lower end face of the clamping plate 25 and the bottom wall of the clamping groove 23, respectively, and cooperate with each other. As shown in Figure 2 and Figure 3 , a meter counter 121 is arranged on the material placing shaft 12 to calculate the length of the strip, and the meter counter 121 is communicatively connected with the electromagnets 26 for feedback control.

[0056] As shown in Figure 2 and Figure 3As shown, in normal state, electromagnet 26 is powered, tension spring 252 is compressed, the lower end surface of clamp plate 25 is horizontally attached to the inner bottom wall of clamp groove 23, and the upper end surface of clamp plate 25 is in contact with the lower surface of the strip but does not affect the normal transmission of the strip. When the metering device 121 shows that the remaining amount of the strip on the feed reel 13 is insufficient and reaches the set reminder value, the metering device 121 communicates feedback to control the electromagnet 26 to be powered off, and the clamp plate 25 is driven to move upward under the action of the tension spring 252, and a certain pressure is applied to the lower surface of the strip by the clamp plate 25 to avoid the tail end of the strip from directly separating from the clamp groove 23. At the same time, in the feeding process of the tail end of the strip, the clamp plate 25 cooperates with the pressure shaft 21 to straighten the surface of the strip to some extent, thereby ensuring the rolling quality of the tail end of the strip. In order to protect the upper and lower surfaces of the strip, elastic protective pads can be arranged on the inner wall of the clamp groove 23, the inner wall of the guide inlet 24, and the upper end surface of the clamp plate 25.

[0057] As shown in Figure 2 and Figure 4 In this embodiment, the feeding mechanism 3 includes a feeding suction plate 31 arranged along the width direction of the rack 01, and the two ends of the feeding suction plate 31 are slidingly installed on the rack 01 along the length direction of the rack 01; a feeding suction cavity 32 is arranged in the feeding suction plate 31, a plurality of feeding suction discs 33 which are in communication with the feeding suction cavity 32 are arranged in a rectangular array at the bottom of the feeding suction plate 31, and a feeding fan 34 which is in communication with the feeding suction cavity 32 is arranged on the feeding suction plate 31. Figure 5 and Figure 6 As shown in

[0058] As shown in Figure 1 , Figure 4 and Figure 6As shown, initially, the feeding suction plate 31 is close to the unwinding mechanism 1, and the discharging mechanism 8 is close to the cold rolling mechanism 6. When the end of the strip is pulled, the end of the strip is first manually pulled to the feeding mechanism 3, and a small part of the end of the strip extends out of the feeding suction plate 31 and is close to the cold rolling mechanism 6, and then the feeding fan 34 is started, and the end of the strip is fixed and adsorbed from the upper surface of the strip by the feeding suction plate 33. Then the feeding suction plate 31 is driven to slide as a whole along the rack 01 to be close to the cold rolling mechanism 6, so as to pull the end of the strip to the cold rolling mechanism 6, and the end of the strip is sent to the lower part of the feeding suction plate 31 from between the two rollers 62, the feeding fan 34 is turned off, and the feeding suction plate 31 is reset. Then the discharging fan 84 is started, and the end of the strip is fixed and adsorbed from the upper surface of the strip by the discharging suction plate 83; the cold rolling mechanism 6 is started, the two rollers 62 rotate to roll the strip, and the end of the strip is pulled along the length direction of the rack 01 by the discharging suction plate 81 to be close to the winding mechanism 9. In the process of pulling the end of the strip by the discharging suction plate 81, the strip passing through the rollers 62 is rolled. After the end of the strip is pulled to the winding mechanism 9, a small part is continuously rolled, then the discharging fan 84 is turned off, and the end of the strip is wound on the winding mechanism 9 for winding, and then the discharging suction plate 81 is reset. Thus, the feeding suction plate 31 and the discharging suction plate 81 alternately work to fix and adsorb the end of the strip from both sides of the cold rolling mechanism 6, so as to pull the end of the strip, and only a small part of the end is not rolled and needs to be processed, and the strip is less wasted.

[0059] As shown in Figure 1 , Figure 4 and Figure 6 When the remaining amount of the unwinding roll 13 on the unwinding mechanism 1 is insufficient, the feeding fan 34 is started to fix and adsorb the tail end of the strip from the upper surface of the strip by the feeding suction plate 33, and then the feeding suction plate 31 slides as a whole along the rack 01 to be close to the cold rolling mechanism 6, so as to avoid that the tail end of the strip is loose and cannot be rolled, and also avoid that the tail end of the strip shakes suddenly after losing fixation, which affects the rolling quality of the rollers 62 on the strip. When the tail end of the strip is close to the cold rolling mechanism 6, the discharging suction plate 81 works, the discharging suction plate 83 fixes the tail end of the strip, the feeding suction plate 33 stops working and resets, and the discharging suction plate 81 slides as a whole along the rack 01 to be close to the winding mechanism 9, so as to send the tail end of the strip to the winding mechanism 9. Thus, the feeding suction plate 31 and the discharging suction plate 81 alternately work to fix and adsorb the tail end of the strip from both sides of the cold rolling mechanism 6, so as to convey the tail end of the strip, and only a small part of the tail end needs to be processed due to poor rolling quality, and the strip is less wasted.

[0060] As shown in Figure 2As shown, in this embodiment, in order to enable the feeding suction plate 31 to slide along the length direction of the frame 01, feeding grooves 011 are provided on both sides of the frame 01 along its length direction and cooperating with the two ends of the feeding suction plate 31. The two ends of the feeding suction plate 31 are slidably installed in the feeding grooves 011, and a feeding screw 311 along its length direction and threadedly connected to one end of the feeding suction plate 31 is rotatably installed in one of the feeding grooves 011. One end of the feeding screw 311 is connected to a feeding motor 312 that drives its rotation. Similarly, as Figure 5 As shown, in order to enable the discharge suction plate 81 to slide along the length of the frame 01, discharge grooves 012 are provided on both sides of the frame 01 along its length and cooperate with the two ends of the discharge suction plate 81. The two ends of the discharge suction plate 81 are slidably installed in the discharge grooves 012, and a discharge screw 811 is rotatably installed in one of the discharge grooves 012 along its length and threadedly connected to one end of the discharge suction plate 81. One end of the discharge screw 811 is connected to a discharge motor 812 that drives its rotation.

[0061] like Figure 4 As shown, in order to ensure the adsorption and fixation effect of the feeding suction cup 33 on the upper surface of the strip during the end-pulling of the strip, a cleaning plate 35 is provided on the side of the feeding suction plate 31 away from the cleaning mechanism 4, arranged along its length. Before the strip enters directly below the feeding suction plate 31, the cleaning plate 35 is used to clean the upper surface of the strip to ensure the cleanliness of the strip surface, thereby ensuring the adsorption and fixation effect of the feeding suction cup 33 on the strip surface. A vertically arranged cleaning groove 36 is provided on the side wall of the feeding suction plate 31. The upper end of the cleaning plate 35 is vertically slidably installed in the cleaning groove 36, and a retaining spring 37 is provided between the upper end of the cleaning plate 35 and the cleaning groove 36. Several retaining springs 37 are arranged vertically and arrayed along the length of the cleaning plate 35. The cleaning plate 35 is vertically slidably installed within the cleaning groove 36, allowing it to clean strips of varying thicknesses. Furthermore, the clamping spring 37 ensures the cleaning plate 35 remains firmly in contact with the upper surface of the strip, guaranteeing effective cleaning. To prevent damage to the strip's upper surface, an elastic protective pad or fine brush can be installed on the lower end face of the cleaning plate 35.

[0062] like Figure 4 and Figure 7As shown, in the present embodiment, the cleaning mechanism 4 includes a cleaning frame 41 arranged on the side of the feeding suction plate 31 close to the cold rolling frame 61, the cleaning frame 41 is fixed on the side wall of the feeding suction plate 31 through a connecting rod 411, and the cleaning frame 41 is provided with a cleaning groove 42 matched with the strip, and the cleaning groove 42 is provided with a cleaning cotton body 43 matched with the inner wall thereof. The strip passing from below the feeding suction plate 31 passes through the cleaning groove 42, and the inner peripheral wall of the cleaning cotton body 43 is matched with the outer peripheral surface of the strip. During the forward conveying of the strip, the cleaning cotton body 43 cleans the outer peripheral surface of the strip, so as to avoid the influence of the attachment of debris and sundries on the outer peripheral surface of the strip on the rolling quality of the roller 62.

[0063] As shown in Figure 4 and Figure 7 shown, in order to further improve the cleaning effect of the cleaning cotton body 43 on the surface of the strip, a cleaning cavity 412 is arranged in the cleaning frame 41, and the four inner walls of the cleaning groove 42 are provided with a plurality of cleaning holes 413 communicated with the cleaning cavity 412, and the side of the cleaning cotton body 43 matched with the inner wall of the cleaning groove 42 covers the cleaning hole 413. A cleaning liquid tank 44 is arranged below the frame 01, and the cleaning liquid tank 44 is communicated with the cleaning cavity 412 through a cleaning hose 441. During the working of the cleaning cotton body 43, the cleaning liquid tank 44 adds cleaning liquid into the cleaning cavity 412 through the cleaning hose 441, and the cleaning liquid in the cleaning cavity 412 penetrates into the cleaning cotton body 43 through the plurality of cleaning holes 413. In this way, the cleaning effect of the cleaning cotton body 43 soaked with cleaning liquid on the surface of the strip is better, and the cleaning cotton body 43 can also remove the oil stains and other stains on the surface of the strip, so as to ensure the cleaning effect on the surface of the strip.

[0064] In addition, as shown in Figure 4 and Figure 7 shown, after the cleaning cotton body 43 is used for a long time, the excess cleaning liquid will be squeezed out or seep out, and the excess liquid or sundries accumulated on the side of the cleaning frame 41 close to the feeding suction plate 31 will affect the working effect of the cleaning cotton body 43. Therefore, a liquid receiving groove 45 is arranged below the cleaning groove 42 on the side of the cleaning frame 41 close to the feeding suction plate 31, the liquid receiving groove 45 is arranged along the length direction of the cleaning frame 41 and has an open upper end, and the liquid receiving groove 45 extends out of the cleaning frame 41 at both ends. A scraper 46 is arranged above the cleaning groove 42, and the scraper 46 is slidingly installed on the side wall of the cleaning frame 41 along the length direction of the cleaning frame 41. In order to avoid damaging the upper surface of the strip, an elastic protection pad can be arranged at the lower end of the scraper 46.

[0065] As shown in Figure 4 and Figure 7As shown, the liquid or sundries on the lower surface and both sides of the strip will naturally flow into the liquid receiving groove 45 under the action of gravity. When the liquid or sundries on the upper surface of the strip accumulates to a certain extent, the driving scraper 46 slides from one end of the cleaning frame 41 to the other end, pushing and scraping the accumulated liquid and sundries on the upper surface of the strip and flowing into the liquid receiving groove 45, thus ensuring the cleaning effect of the cleaning cotton body 43 on the surface of the strip. Figure 4 As shown, in order to realize the sliding of the driving scraper 46, a scraping groove 461 is arranged along the length direction of the side wall of the cleaning frame 41. The upper end of the scraper 46 is slidingly installed in the scraping groove 461. A scraping screw rod 462 is rotatably installed in the scraping groove 461 and is arranged along the length direction of the scraping groove 461 and is threadedly connected with the upper end of the scraper 46. One end of the scraping screw rod 462 is connected with a scraping motor which drives the rotation of the scraping screw rod 462.

[0066] As shown, Figure 2 and Figure 4 In this embodiment, the liquid spraying mechanism 5 includes a liquid spraying pipe 51 arranged on the side wall of the cold rolling frame 61 and arranged along the length direction of the roller 62. Two liquid spraying pipes 51 are arranged above and below the two rollers 62 respectively. A liquid supply tank 53 is arranged on one side of the frame 01 and is in communication with the liquid spraying pipes 51 through a liquid supply hose 531. Each liquid spraying pipe 51 is arrayed with a plurality of liquid spraying branch pipes 52 which are in communication with the liquid spraying pipe 51 along the length direction of the liquid spraying pipe 51. The liquid spraying branch pipes 52 are arranged obliquely and the end of the liquid spraying branch pipe 52 away from the corresponding liquid spraying pipe 51 is close to the corresponding roller 62, i.e. the liquid spraying branch pipe 52 above the strip is obliquely downward and the liquid spraying branch pipe 52 below the strip is obliquely upward. A waste liquid tank 54 is arranged below the liquid spraying mechanism 5 and is arranged along the length direction of the frame 01 and between the liquid spraying mechanism 5 and the winding mechanism 9.

[0067] As shown, Figure 2 and Figure 4 The liquid supply tank 53 continuously adds emulsion to the liquid spraying pipe 51 through the liquid supply hose 531. The emulsion is sprayed to the two rollers 62 and the upper and lower surfaces of the strip being rolled through the plurality of liquid spraying branch pipes 52, which ensures the rolling quality of the strip and avoids the temperature of the roller 62 being too high for a long time. The waste liquid tank 54 is used to receive the emulsion flowing down from the strip, realizes the recovery of the excess emulsion and ensures the relative cleanliness of the production environment.

[0068] As shown, Figure 5 and Figure 6As shown, in the embodiment, the liquid cleaning mechanism 7 comprises a back-shaped frame 71 arranged on the side of the discharge suction plate 81 close to the cold rolling rack 61 and above the waste liquid tank 54, a back-shaped suction cotton 72 and a back-shaped extrusion frame 74 are arranged on the side wall of the back-shaped frame 71 close to the cold rolling rack 61, the back-shaped suction cotton 72 is arranged between the back-shaped frame 71 and the back-shaped extrusion frame 74, the back-shaped extrusion frame 74 is slidingly arranged on the back-shaped frame 71 along the length direction of the rack 01, and the back-shaped frame 71 is provided with an extrusion cylinder 741 arranged horizontally and driving the back-shaped extrusion frame 74 to slide reciprocally. A back-shaped liquid extrusion opening 711 is arranged on the side wall of the back-shaped frame 71 close to the back-shaped suction cotton 72, and the side of the back-shaped suction cotton 72 close to the back-shaped liquid extrusion opening 711 covers the back-shaped liquid extrusion opening 711. A liquid collecting cavity 712 is arranged in the back-shaped frame 71 and communicates with the back-shaped liquid extrusion opening 711, and a plurality of liquid outlets 713 communicating with the liquid collecting cavity 712 are arranged on the bottom of the back-shaped frame 71 along the length direction thereof.

[0069] As shown in Figure 5 and Figure 6 , the strip passes through the back-shaped extrusion frame 74, the back-shaped suction cotton 72 and the back-shaped frame 71 before entering directly below the discharge suction plate 81, and the excess emulsion and other rolling impurities on the surface of the strip are wiped dry and cleaned by the back-shaped suction cotton 72. When the back-shaped suction cotton 72 works for a long time, it will absorb a lot of emulsion, and when it reaches the saturation state, it can no longer absorb emulsion. At this time, the extrusion cylinder 741 is started to drive the back-shaped extrusion frame 74 to slide close to the back-shaped frame 71, and the back-shaped extrusion frame 74 extrudes the back-shaped suction cotton 72. A part of the excess emulsion on the back-shaped suction cotton 72 directly flows downward into the waste liquid tank 54, and another part enters the liquid collecting cavity 712 from the back-shaped liquid extrusion opening 711 and then flows into the waste liquid tank 54 from the liquid outlet 713. The intermittent extrusion of the back-shaped extrusion frame 74 on the back-shaped suction cotton 72 ensures the wiping dry effect of the back-shaped suction cotton 72 on the surface of the strip.

[0070] As shown in Figure 5 and Figure 6 , the side walls of the back-shaped frame 71 away from the cold rolling rack 61 are provided with blow plates 73 arranged symmetrically and horizontally, the sides of the blow plates 73 away from each other are respectively provided with blowers 732 communicating therewith, and the sides of the blow plates 73 close to each other are provided with blow openings 731 arranged along the length direction thereof. After the strip is sent out directly below the discharge suction plate 81, it passes between the two blow plates 73, and the blow openings 731 of the two blow plates 73 blow and dry the upper and lower surfaces of the strip, ensuring the cleanliness and relative dryness of the surface of the strip.

[0071] As shown in Figure 5 and Figure 8As shown, in the embodiment, the winding mechanism 9 comprises a winding shaft 91 arranged on the rack 01 along the width direction of the machine, the winding shaft 91 is an air expansion shaft, both ends of which are rotationally arranged on the rack 01 and connected with a winding motor for driving the rotation thereof. A pressing roller 92 parallel to the winding shaft 91 is arranged on the side of the winding shaft 91 away from the discharging mechanism 8, the pressing roller 92 is vertically slidably arranged on the rack 01, and both ends of the pressing roller 92 are connected with a pressing cylinder 921 for driving the vertical sliding of the pressing roller 92 and arranged on the rack 01. In normal state, the pressing roller 92 is located above the winding shaft 91, and the strip end passes above the winding shaft 91 and below the pressing roller 92, when a part of the strip end extends away from the winding shaft 91 on the side of the pressing roller 92, the pressing roller 92 is driven to slide downward, and the strip end is pressed and bent downward to adhere to the surface of the winding shaft 91, so that the strip end can be adsorbed and wound by the winding shaft 91.

[0072] As shown in the drawings, Figure 5 and Figure 8 As shown, a cutting knife 93 parallel to the winding shaft 91 is further arranged on the side of the winding shaft 91 away from the discharging mechanism 8, the cutting knife 93 is slidably arranged on the rack 01 along the length direction of the rack 01, and the cutting knife 93 is connected with a cutting cylinder 931 for driving the sliding of the cutting knife 93 and arranged on the rack 01. When the winding shaft 91 winds the part of the strip end which is not rolled and has poor rolling quality, the cutting knife 93 is driven to approach the winding shaft 91 to cut the strip end, so that the part of the strip end which is not rolled and has poor rolling quality is cut off, and the finished product quality of the strip wound by the winding shaft 91 is ensured. In addition, a scrap basket 94 is further arranged directly below the winding shaft 91, for containing the part of the strip end which is cut off, so that the scrap is uniformly collected.

[0073] Working principle and use method of the present application:

[0074] When the strip end is initially pulled, the end of the strip is manually pulled through the clamping groove 23 of the clamping seat 22 to the feeding mechanism 3, and a small part of the strip end extends out of the feeding suction plate 31 to pass through the cleaning frame 41; then the feeding suction plate 33 is used to adsorb and fix the strip end from the upper surface of the strip, and the feeding suction plate 31 is driven to slide as a whole along the rack 01 to approach the cold rolling mechanism 6, so that the strip end is pulled to the cold rolling mechanism 6. Then the strip end is sequentially passed between the two rollers 62, the back-shaped extrusion frame 74, the back-shaped liquid absorbing cotton 72, the back-shaped frame 71, below the discharging suction plate 81, and between the two blowing plates 73, and the discharging suction plate 83 is used to adsorb and fix the strip end from the upper surface of the strip. The cold rolling mechanism 6 is started to rotate the two rollers 62 to roll the strip, and the discharging suction plate 81 drives the strip end to approach the winding mechanism 9 along the length direction of the rack 01. In the process of pulling the strip end by the discharging suction plate 81, the strip passing through the rollers 62 is rolled.

[0075] When the end portion of the strip material extends out of the pinch roller 92 away from the side of the winding shaft 91, the discharge fan 84 is closed, the pinch roller 92 is driven to slide downward, the strip material is pressed and bent downward to adhere to the surface of the winding shaft 91, and the strip material can be adsorbed and wound by the winding shaft 91. When the winding shaft 91 winds the unrolled and poor quality rolled end portion of the strip material, the cutting knife 93 is driven to approach the winding shaft 91 to cut the strip material, the unrolled and poor quality rolled end portion of the strip material is cut off, the good quality rolled strip material is wound by the winding shaft 91, and the discharge suction plate 81 is reset.

[0076] When the aluminum material on the feeding mechanism 1 is insufficient, the meter 121 communicates feedback control electromagnet 26 power off, the clamping plate 25 is driven to move upward under the action of the tension spring 252, and a certain pressure is applied to the lower surface of the strip material by the clamping plate 25 to press the strip material. Then the tail end portion of the strip material is adsorbed and fixed by the feeding suction plate 33 from the upper surface of the strip material, and then the feeding suction plate 31 slides along the rack 01 to approach the cold rolling mechanism 6. When the tail end of the strip material approaches the cold rolling mechanism 6, the discharge suction plate 81 works, the discharge suction plate 83 fixes the tail end of the strip material, the feeding suction plate 33 stops working and resets, and the discharge suction plate 81 slides along the rack 01 to approach the winding mechanism 9, and the tail end portion of the strip material is sent to the winding mechanism 9.

[0077] The feeding suction plate 31 and the discharge suction plate 81 are used to alternately work and adsorb and fix the end and tail of the strip material from both sides of the cold rolling mechanism 6, the end of the strip material is pulled and the tail of the strip material is conveyed, only a small part of the end of the strip material is unrolled or has poor rolling quality and needs to be processed, only a small part of the tail of the strip material has poor rolling quality and needs to be processed, thereby reducing the waste of the strip material, and the end and tail of the strip material do not need to be welded, and the rolling quality of the strip material is ensured.

[0078] The above description shows and describes the preferred embodiments of the present application, as previously described, it should be understood that the present application is not limited to the forms disclosed herein, and should not be considered as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the inventive concept described herein by the above teaching or related art or knowledge. The modifications and changes made by those skilled in the art without departing from the spirit and scope of the present application shall be within the scope of protection of the appended claims of the present application.

Claims

1. A cold rolling device for producing an aluminum alloy, characterized by: The application relates to a cold rolling machine, which comprises a rack (01) arranged along a feeding direction, a material discharging mechanism (1) arranged at one end of the rack (01) close to a feeding end, a winding mechanism (9) arranged at one end of the rack (01) close to a discharging end, a cold rolling mechanism (6) arranged between the material discharging mechanism (1) and the winding mechanism (9), a feeding mechanism (3) arranged between the material discharging mechanism (1) and the cold rolling mechanism (6), and a discharging mechanism (8) arranged between the winding mechanism (9) and the cold rolling mechanism (6). The cold rolling mechanism (6) comprises cold rolling racks (61) arranged vertically and installed on both sides of the rack (01), and two upper and lower symmetrical roller (62) arranged along the length direction of the rack (01) are rotatably installed on the cold rolling racks (61). The feeding mechanism (3) comprises a feeding suction plate (31) arranged along the width direction of the rack (01), and the feeding suction plate (31) is slidably installed on the rack (01) along the length direction of the rack (01) at both ends; the feeding suction plate (31) is internally provided with a feeding suction cavity (32), the bottom of the feeding suction plate (31) is provided with a plurality of feeding suction discs (33) in a rectangular array and in communication with the feeding suction cavity (32), and the feeding suction plate (31) is provided with a feeding fan (34) in communication with the feeding suction cavity (32). The discharging mechanism (8) comprises a discharging suction plate (81) arranged along the width direction of the rack (01), and the discharging suction plate (81) is slidably installed on the rack (01) along the length direction of the rack (01) at both ends; the discharging suction plate (81) is internally provided with a discharging suction cavity (82), the bottom of the discharging suction plate (81) is provided with a plurality of discharging suction discs (83) in a rectangular array and in communication with the discharging suction cavity (82), and the discharging suction plate (81) is provided with a discharging fan (84) in communication with the discharging suction cavity (82). The side of the feeding suction plate (31) away from the material discharging mechanism (1) is provided with a cleaning mechanism (4), the side of the cold rolling rack (61) close to the feeding suction plate (31) is provided with a liquid spraying mechanism (5) matched with the roller (62), and the side wall of the discharging suction plate (81) close to the cold rolling rack (61) is provided with a liquid cleaning mechanism (7). The feeding mechanism (1) comprises a feeding frame (11) arranged at one end of a rack (01), a feeding shaft (12) arranged along the width direction of the rack (01) is rotationally arranged on the feeding frame (11), and a feeding roll (13) coaxial with the feeding shaft (12) is clamped on the feeding shaft (12); a feeding pressure roller (14) parallel to the feeding shaft (12) is arranged above the feeding shaft (12), both ends of the feeding pressure roller (14) are vertically and slidingly arranged on a pressure roller shaft seat (15) of the feeding frame (11), both ends of the feeding pressure roller (14) are rotationally arranged on the corresponding pressure roller shaft seat (15), and the outer wall of the feeding pressure roller (14) is always in abutment with the outer wall of the feeding roll (13); one end of the rack (01) close to the feeding frame (11) is provided with a clamping mechanism (2), the clamping mechanism (2) comprises a pressure roller shaft (21) arranged along the width direction of the rack (01), the strip material released from the feeding roll (13) passes below the pressure roller shaft (21), and both ends of the pressure roller shaft (21) are provided with clamping seats (22) matched with both sides of the strip material released from the feeding roll (13). One side of each of the clamping seats (22) is provided with a clamping groove (23), the bottom of the pressure roller shaft (21) is provided with an adjusting groove (211) arranged along the length direction of the pressure roller shaft (21), the upper end of each of the clamping seats (22) is slidingly arranged in the adjusting groove (211), and the strip material released from the feeding roll (13) passes horizontally out of the clamping groove (23) after passing below the pressure roller shaft (21); the upper and lower side walls of the clamping groove (23) close to the feeding frame (11) are provided with arc transition surfaces (231), the two arc transition surfaces (231) form a guide inlet (24) in communication with the clamping groove (23), and the opening of one end of the guide inlet (24) in communication with the clamping groove (23) is smaller than the opening of the other end of the guide inlet (24) away from the clamping groove (23); Each of the clamping grooves (23) is provided with a clamping plate (25) arranged along the length direction of the pressure roller shaft (21) and below the pressure roller shaft (21), and the end of each of the clamping plates (25) away from each other is vertically and slidingly arranged in the corresponding clamping groove (23); the lower end surface of one end of the clamping plate (25) in the clamping groove (23) is provided with a vertically arranged sliding rod (251), the bottom wall of the clamping groove (23) is provided with a sliding hole (232) matched with the sliding rod (251), and the end of the sliding rod (251) away from the clamping plate (25) is slidingly arranged in the sliding hole (232); a tension spring (252) with a vertical axis is arranged between the end of the sliding rod (251) away from the clamping plate (25) and the end wall of the sliding hole (232) away from the clamping plate (25), and an electromagnet (26) is embedded in the lower end surface of the clamping plate (25) and the bottom wall of the clamping groove (23) respectively, and the electromagnet (26) is energized to compress the tension spring (252) in a normal state, and the lower end surface of the clamping plate (25) is horizontally attached to the bottom wall of the clamping groove (23); a meter counter (121) is arranged on the feeding shaft (12), and the meter counter (121) is communicatively connected to the electromagnet (26) for feedback control.

2. The cold rolling device for aluminum alloy production according to claim 1, characterized in that: The feeding suction plate (31) is provided with a cleaning plate (35) arranged along the length direction of the feeding suction plate (31) on the side close to the feeding mechanism (1), the side wall of the feeding suction plate (31) is provided with a cleaning chute (36) arranged vertically, the upper end of the cleaning plate (35) is vertically and slidingly installed in the cleaning chute (36), and a pressing spring (37) is arranged between the upper end of the cleaning plate (35) and the cleaning chute (36), the pressing spring (37) is vertically arranged and arranged along the length direction of the cleaning plate (35).

3. The cold rolling device for aluminum alloy production according to claim 1, characterized in that: The cleaning mechanism (4) comprises a cleaning frame (41) arranged on the side of the feeding suction plate (31) close to the cold rolling frame (61), the cleaning frame (41) is fixed to the side wall of the feeding suction plate (31) through a connecting rod (411), the cleaning frame (41) is provided with a cleaning groove (42) matched with the strip, and the cleaning groove (42) is provided with a cleaning cotton body (43) matched with the inner wall thereof; the cleaning frame (41) is provided with a cleaning cavity (412) in the ring, the inner wall of the cleaning groove (42) is provided with a plurality of cleaning holes (413) in communication with the cleaning cavity (412), and the cleaning cotton body (43) covers the cleaning holes (413); the frame (01) is provided with a cleaning liquid tank (44) below, and the cleaning liquid tank (44) is in communication with the cleaning cavity (412) through a cleaning hose (441).

4. The cold rolling device for aluminum alloy production according to claim 3, characterized in that: The cleaning frame (41) is provided with a liquid receiving groove (45) below the cleaning groove (42) on the side close to the feeding suction plate (31), the liquid receiving groove (45) is arranged along the length direction of the cleaning frame (41) and the upper end is open; the liquid receiving groove (45) is provided with a scraper (46) above the cleaning groove (42), and the scraper (46) is slidingly installed on the side wall of the cleaning frame (41) along the length direction of the cleaning frame (41).

5. The cold rolling device for aluminum alloy production according to claim 1, characterized in that: The liquid spraying mechanism (5) comprises a liquid spraying pipe (51) arranged on the side wall of the cold rolling frame (61) and along the length direction of the roller (62), the liquid spraying pipe (51) is provided with two liquid spraying pipes (51) above and below and corresponds to two rollers (62) one by one; each liquid spraying pipe (51) is arranged along the length direction and is provided with a plurality of liquid spraying branch pipes (52) in communication with the liquid spraying pipe (51), the liquid spraying branch pipe (52) is arranged obliquely and the end away from the corresponding liquid spraying pipe (51) is close to the corresponding roller (62); one side of the frame (01) is provided with a liquid supply tank (53), the liquid supply tank (53) is in communication with the liquid spraying pipe (51) through a liquid supply hose (531); the frame (01) is further provided with a waste liquid tank (54) below the liquid spraying mechanism (5), and the waste liquid tank (54) is located between the liquid spraying mechanism (5) and the winding mechanism (9).

6. The cold rolling device for aluminum alloy production according to claim 5, characterized in that: The clear liquid mechanism (7) comprises a back-shaped frame (71) arranged on the side of the discharge suction plate (81) close to the cold rolling frame (61) and above the waste liquid tank (54), the side wall of the back-shaped frame (71) close to the cold rolling frame (61) is provided with a back-shaped liquid suction cotton (72), the side wall of the back-shaped frame (71) away from the cold rolling frame (61) is provided with a blow plate (73) arranged symmetrically and horizontally, and the side of the blow plate (73) close to each other is provided with a blow port (731) arranged along the length direction of the blow plate (73).

7. The cold rolling device for aluminum alloy production according to claim 6, characterized in that: The side wall of the back-shaped frame (71) close to the cold rolling frame (61) is further provided with a back-shaped extrusion frame (74), the back-shaped liquid suction cotton (72) is located between the back-shaped extrusion frame (74) and the back-shaped frame (71), and the back-shaped extrusion frame (74) is slidingly installed on the back-shaped frame (71) along the length direction of the frame (01); the side wall of the back-shaped frame (71) close to the back-shaped liquid suction cotton (72) is provided with a back-shaped liquid extrusion port (711), the back-shaped frame (71) is provided with a liquid collecting cavity (712) in communication with the back-shaped liquid extrusion port (711), and the bottom of the back-shaped frame (71) is provided with a plurality of liquid outlets (713) in communication with the liquid collecting cavity (712) along the length direction.

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