Copper-aluminum composite casting and rolling machine

Abstract

The invention relates to the technical field of copper-aluminum composite cast rolling, and discloses a copper-aluminum composite cast rolling machine which comprises an aluminum smelting furnace, a cast rolling seat and a rolling device used for rolling plates, a casting nozzle is fixedly installed on the aluminum smelting furnace, a copper coil is rotatably installed on the cast rolling seat, and a heating plate used for preheating a copper plate is fixedly installed on the cast rolling seat. A plurality of upper rollers and a plurality of lower rollers are arranged in the cast rolling seat, the upper rollers correspond to the lower rollers in a one-to-one mode, the distance between the corresponding upper rollers and the lower rollers is gradually reduced, according to the copper-aluminum composite cast rolling machine, the upper rollers and the lower rollers drive the detection disc to rotate, and the balls bear centrifugal force and overcome the elastic force of the second springs to slide in the sliding grooves. And when the rotating speed of the detection disc is higher, the centrifugal force borne by the ball is larger, the force sensed by the centrifugal force sensing plate is larger, the corresponding water valve is controlled to introduce more cooling water into the water inlet pipe, the cooling water introduced into the upper roller and the lower roller with the smaller distance is larger, and excessive heat accumulation in the plate is prevented.

Description

Technical Field

[0001] The invention relates to the technical field of copper-aluminum composite casting and rolling, in particular to a copper-aluminum composite casting and rolling machine. Background Art

[0002] The copper-aluminum composite casting and rolling mill is a device used to produce copper-aluminum composite materials. By combining copper and aluminum in solid or liquid state and rolling them into a composite material, this equipment combines the process characteristics of casting and rolling, and can efficiently combine copper and aluminum to form a composite material with excellent performance. The copper-aluminum composite material combines the high conductivity of copper with the lightweight advantage of aluminum, and has broad application prospects in many fields. Before casting and rolling, the copper plate needs to be preheated, and then the high-temperature aluminum liquid is poured onto the preheated copper plate. The copper and aluminum are combined and pressed into a plate by the upper and lower casting rollers. At the same time, the output plate is cooled by the cooling system and finally wound. In the actual casting and rolling process, due to the different ductility of copper and aluminum, the aluminum layer will preferentially undergo plastic flow due to its higher ductility, resulting in a shear displacement difference at the interface. This asynchronous deformation will accumulate shear stress at the interface, which will cause cracking when it exceeds the copper-aluminum bonding strength. At the same time, the poor ductility of the copper side leads to local stress concentration, and the high ductility of the aluminum side disperses the stress, but the stress gradient difference on both sides of the interface may also cause crack initiation. Even if synchronous deformation occurs during rolling, the aluminum shrinks more violently during cooling, and additional tensile stress is formed at the interface. When superimposed with the rolling stress, it accelerates cracking. This cracking will greatly reduce the firmness of the plate and affect the use effect of the plate. To this end, we propose a copper-aluminum composite casting and rolling machine. Summary of the Invention

[0003] The object of the present invention is to provide a copper-aluminum composite casting and rolling mill to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a copper-aluminum composite casting and rolling mill, comprising an aluminum melting furnace and a casting and rolling seat, and a winding device for winding a plate, wherein a casting nozzle is fixedly installed on the aluminum melting furnace, a copper coil is rotatably installed on the casting and rolling seat, a heating plate for preheating the copper plate is fixedly installed on the casting and rolling seat, a plurality of upper rollers and a plurality of lower rollers are arranged in the casting and rolling seat, the upper rollers correspond to the lower rollers one-to-one, and the spacing between the corresponding upper rollers and the lower rollers gradually decreases, upper slides and lower slides are slidably installed on both sides of the casting and rolling seat, both ends of each upper roller are rotatably installed in the corresponding upper slide, and both ends of each lower roller are rotatably installed in the corresponding lower slide, and a hydraulic lifting device for controlling the height of the upper roller is fixedly installed on the casting and rolling seat; A cooling pipe is provided in each of the upper rolling rollers and each of the lower rolling rollers, and a sealing seat is rotatably installed at one end of each of the upper rolling rollers and one end of each of the lower rolling rollers. Each of the sealing seats is fixedly installed on the corresponding upper slide and lower slide, and a water inlet pipe and a water outlet pipe are fixedly installed on each of the sealing seats. Each of the water inlet pipes is connected with the water inlet end of the corresponding cooling pipe, and the water outlet end of each of the cooling pipes is connected with the interior of the corresponding sealing seat and the water outlet pipe. A cooling water tank connected with the water inlet pipe and the water outlet pipe is provided on one side of the casting and rolling seat, and a number of water valves for controlling the water inlet amount of the water inlet pipe are provided on the cooling water tank, and the water valves correspond one-to-one to the water inlet pipes.

[0005] Preferably, a transmission wheel is fixedly installed at one end of each upper roller and one end of each lower roller, each transmission wheel is located in the corresponding upper slide and lower slide, and the diameter of the transmission wheel gradually decreases as the distance between the upper roller and the lower roller decreases, a transmission belt is installed between the corresponding transmission wheels, a motor is fixedly installed on the corresponding upper slide and lower slide, and each output end of the motor is fixedly connected to one of the transmission wheels.

[0006] Preferably, several detection discs are rotatably installed in one of the upper slides and one of the lower slides, each of the detection discs is provided with a slide groove, each of the slide grooves is fixedly installed with a centrifugal force sensing plate for controlling the water output of the water valve, each of the centrifugal force sensing plates is fixedly installed with a second spring, and each of the second springs has a ball fixedly installed at one end.

[0007] Preferably, a gear ring is fixedly installed at one end of each upper roller and one end of each lower roller, a plurality of first gears meshing with the gear ring are rotatably installed in one of the upper slides, and the first gears correspond one-to-one with the upper rollers, a plurality of second gears meshing with the gear ring are rotatably installed in one of the lower slides, and the second gears correspond one-to-one with the lower rollers, and each detection disk is fixedly installed on the corresponding first gear and each second gear.

[0008] Preferably, a wedge plate is fixedly installed at the lower end of one of the lower slides, a wedge block that cooperates with the wedge plate is slidably installed in the casting seat, a third spring is fixedly connected between the wedge block and the inner wall of the casting seat, and a pressure sensing plate for controlling the output power of the motor is fixedly installed on one side of the wedge block.

[0009] Preferably, a limit shaft is rotatably installed in the casting and rolling seat, and sliders are symmetrically slidably installed on the inner walls of both sides of the casting and rolling seat. Each of the sliders is fixedly connected to the inner wall of the casting and rolling seat with a first spring, and a rotating shaft that cooperates with the limit shaft is rotatably installed between the two sliders. A rotating rod is rotatably installed in the casting and rolling seat, and a counterweight block is fixedly installed at the lower end of the rotating rod, and a connecting rope is fixedly connected between the counterweight block and one of the sliders.

[0010] Preferably, a slide is slidably mounted on the upper end of the rotating rod, the slide is slidably mounted in the inner wall of the casting and rolling seat, one end of the slide is fixedly mounted with an elastic rod, one end of the elastic rod is fixedly mounted with a push plate that cooperates with the pressure sensing plate.

[0011] Preferably, fixed shafts are fixedly installed on both sides of the casting and rolling seat, and two connecting rods are rotatably installed on each of the fixed shafts. The upper end of each connecting rod is slidably installed on the corresponding upper slide seat, and the lower end is slidably installed on the corresponding lower slide seat.

[0012] Preferably, the diameter of the second gear is greater than the diameter of the first gear.

[0013] Preferably, each of the cooling tubes is spirally arranged in the corresponding upper roller and lower roller.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The present invention utilizes the upper roller and the lower roller to drive the detection disk to rotate. When the detection disk rotates, the ball will be subjected to centrifugal force and overcome the elastic force of the second spring to slide in the slide groove. The faster the detection disk rotates, the greater the centrifugal force the ball is subjected to, and the greater the force sensed by the centrifugal force sensing plate. The corresponding water valve will be controlled to allow more cooling water to be passed into the water inlet pipe. The smaller the spacing between the upper roller and the lower roller, the faster the rotation speed, the more cooling water will be passed into the interior thereof, and the better the cooling effect will be, so that the deformation heat generated by the plate during the gradual casting and rolling process can be cooled, preventing excessive heat from accumulating inside the plate. At the same time, the cooling effect is gradually enhanced as the plate is gradually cast and rolled, which can prevent the plate from cracking due to excessive cooling at one time.

[0015] The present invention utilizes a rotating shaft to detect the thickness of the copper plate, and drives the sliders on both sides to slide on the casting and rolling seat, pulling one end of the connecting rope, and the other end of the connecting rope will pull the counterweight block to flip upward, causing the rotating rod to rotate relatively, and the other end of the rotating rod will push the slide plate and the push plate to move toward the pressure sensing plate. After the push plate contacts the pressure sensing plate, the pressure sensing plate will sense the pressure and compress the elastic rod. When the pressure sensed by the pressure sensing plate is greater, it means that the thickness of the copper plate accounts for a larger proportion in the plate after casting and rolling, and the motor will be controlled to increase the power and increase the casting and rolling speed. If the pressure sensed by the pressure sensing plate is smaller, it means that the thickness of the copper plate accounts for a smaller proportion in the plate after casting and rolling, and the motor will be controlled to reduce the power, slow down the casting and rolling speed, and reduce the cracking of the copper-aluminum interface. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 This is a schematic diagram of the cooling water tank and water valve structure of the present invention; Figure 3This is a schematic diagram of the internal structure of the casting and rolling stand of the present invention; Figure 4 This is an enlarged schematic diagram of the structure of region A of the present invention; Figure 5 This is a schematic diagram of the transmission wheel structure of the present invention; Figure 6 This is an enlarged schematic diagram of the structure of region B of the present invention; Figure 7 This is a schematic diagram of the fixed shaft and connecting rod structure of the present invention; Figure 8 This is a schematic diagram of the cooling pipe structure of the present invention; Figure 9 This is a schematic diagram of the sealing seat structure of the present invention; Figure 10 This is a schematic diagram of the structure of the detection disk of the present invention; Figure 11 This is an enlarged schematic diagram of the C region structure of the present invention.

[0017] Figure: 1. Aluminum melting furnace; 2. Casting nozzle; 3. Casting and rolling stand; 4. Copper coil; 5. Heating plate; 6. Upper roller; 61. Lower roller; 7. Upper slide; 71. Lower slide; 8. Hydraulic lifting device; 9. Drive wheel; 10. Drive belt; 11. Motor; 12. Fixed shaft; 13. Connecting rod; 14. Limiting shaft; 15. Rotating shaft; 16. Slider; 17. First spring; 18. Connecting rope; 19. Wedge plate; 20. Wedge block; 21. Pressure sensor Response plate; 22. Push plate; 23. Elastic rod; 24. Slide plate; 25. Rotating rod; 26. Counterweight; 27. Cooling pipe; 28. Cooling water tank; 29. ​​Water valve; 30. Sealing seat; 31. Water inlet pipe; 32. Water outlet pipe; 33. Gear ring; 34. First gear; 35. Second gear; 36. Detection disk; 37. Slide; 38. Centrifugal force sensing plate; 39. Second spring; 40. Ball; 41. Winding device; 42. Third spring. DETAILED DESCRIPTION

[0018] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figure 1-11The present invention provides a technical solution: a copper-aluminum composite casting and rolling mill, comprising an aluminum melting furnace 1 and a casting and rolling stand 3, and a winding device 41 for winding a plate, a casting nozzle 2 is fixedly installed on the aluminum melting furnace 1, a copper coil 4 is rotatably installed on the casting and rolling stand 3, a heating plate 5 for preheating the copper plate is fixedly installed on the casting and rolling stand 3, a plurality of upper rollers 6 and a plurality of lower rollers 61 are arranged in the casting and rolling stand 3, the upper rollers 6 and the lower rollers 61 correspond one to one, and the spacing between the corresponding upper rollers 6 and the lower rollers 61 gradually decreases, an upper slide 7 and a lower slide 71 are slidably installed on both sides of the casting and rolling stand 3, and both ends of each upper roller 6 are rotatably installed on the corresponding upper roller In the slide 7, both ends of each lower rolling roller 61 are rotatably mounted in the corresponding lower slide 71. A hydraulic lifting device 8 for controlling the height of the upper rolling roller 6 is fixedly installed on the casting and rolling seat 3. Fixed shafts 12 are fixedly installed on both sides of the casting and rolling seat 3. Two connecting rods 13 are rotatably mounted on each fixed shaft 12. The upper end of each connecting rod 13 is slidably mounted on the corresponding upper slide 7, and the lower end is slidably mounted on the corresponding lower slide 71. According to the required thickness of the plate, the height of the upper slide 7 and the upper roller 6 is adjusted by the hydraulic lifting device 8. The upper slide 7 will drive one end of the connecting rod 13 to move synchronously, and the other end of the connecting rod 13 will drive the lower slide 71 and The lower roller 61 performs opposite movement synchronously, so that the upper roller 6 and the lower roller 61 perform relative or opposite movement synchronously to adjust the thickness of the cast plate, and multiple pairs of upper rollers 6 and lower rollers 61 are provided, and the spacing between them gradually decreases. After multiple casting and rolling, the plate reaches a predetermined thickness to prevent the plate from being deformed once and causing cracking of the copper-aluminum interface. A transmission wheel 9 is fixedly installed at one end of each upper roller 6 and one end of each lower roller 61. Each transmission wheel 9 is located in the corresponding upper slide 7 and lower slide 71, and the diameter of the transmission wheel 9 gradually decreases as the spacing between the upper roller 6 and the lower roller 61 decreases. The corresponding transmission wheels 9 are all installed with transmissions. A transmission belt 10 is installed, and motors 11 are fixedly installed on the corresponding upper slide 7 and lower slide 71. The output end of each motor 11 is fixedly connected to one of the transmission wheels 9. After the motor 11 is started, the transmission belt 10 drives the transmission wheel 9 and the corresponding upper roller 6 and lower roller 61 to rotate. When the distance between the upper roller 6 and the lower roller 61 is smaller, the thickness of the plate becomes thinner, and the length after casting and rolling will also be longer accordingly. Since the diameter of the transmission wheel 9 gradually decreases as the distance between the upper roller 6 and the lower roller 61 decreases, the smaller the distance between the upper roller 6 and the lower roller 61, the faster the rotation speed, which can prevent the plate from becoming longer and stacking after casting and rolling.

[0020] Each upper roller 6 and each lower roller 61 is provided with a cooling pipe 27, and each cooling pipe 27 is spirally arranged in the corresponding upper roller 6 and lower roller 61, which can increase the cooling area and improve the cooling effect. A sealing seat 30 is rotatably installed at one end of each upper roller 6 and one end of each lower roller 61, and each sealing seat 30 is fixedly installed on the corresponding upper slide 7 and lower slide 71. A water inlet pipe 31 and a water outlet pipe 32 are fixedly installed on each sealing seat 30. Each water inlet pipe 31 and a water outlet pipe 32 are fixedly installed on each sealing seat 30. 1 are connected to the water inlet end of the corresponding cooling pipe 27, and the water outlet end of each cooling pipe 27 is connected to the interior of the corresponding sealing seat 30 and the water outlet pipe 32. A cooling water tank 28 connected to the water inlet pipe 31 and the water outlet pipe 32 is provided on one side of the casting and rolling stand 3. A plurality of water valves 29 for controlling the water inlet amount of the water inlet pipe 31 are provided on the cooling water tank 28. The water valves 29 correspond to the water inlet pipes 31 one by one. The water valves 29 control the cooling water to enter the upper roll 6 and the lower roll 61 from the water inlet pipe 31. Figure 9 As shown, the water inlet end of the cooling pipe 27 is located at the same center as the end faces of the upper roller 6 and the lower roller 61. During the rotation of the upper roller 6 and the lower roller 61, cooling water can continuously enter the cooling pipe 27 through the water inlet pipe 31, and then be discharged from the water outlet end of the cooling pipe 27 into the sealing seat 30, and discharged from the water outlet pipe 32 into the cooling water tank 28 for cooling.

[0021] A gear ring 33 is fixedly installed at one end of each upper roller 6 and one end of each lower roller 61. A plurality of first gears 34 meshing with the gear ring 33 are rotatably installed in one of the upper slides 7. The first gears 34 correspond to the upper rollers 6 one by one. A plurality of second gears 35 meshing with the gear ring 33 are rotatably installed in one of the lower slides 71. The second gears 35 correspond to the lower rollers 61 one by one. The diameter of the second gear 35 is larger than that of the first gear 34. A detection disk 36 is fixedly installed on each first gear 34 and each second gear 35. Each detection disk 36 is provided with A chute 37 is provided, and a centrifugal force sensing plate 38 for controlling the water output of the water valve 29 is fixedly installed in each chute 37. A second spring 39 is fixedly installed on each centrifugal force sensing plate 38, and a ball 40 is fixedly installed at one end of each second spring 39. During the rotation of the upper roller 6 and the lower roller 61, the corresponding gear ring 33 will be driven to rotate synchronously. Through the engagement of the gear ring 33 with the first gear 34 and the second gear 35, the detection disk 36 will be driven to rotate. When the detection disk 36 rotates, the ball 40 will be subjected to centrifugal force and overcome the elastic force of the second spring 39 in the chute 37. The centrifugal force sensing plate 38 senses the force of the centrifugal force sensing plate 38, and the centrifugal force sensing plate 38 is electrically connected to the corresponding water valve 29. The force sensed by the centrifugal force sensing plate 38 is proportional to the amount of water inlet controlled by the water valve 29. When the force sensed by the centrifugal force sensing plate 38 is greater, the corresponding water valve 29 will be controlled to pass more cooling water into the water inlet pipe 31. Conversely, the water valve 29 will be controlled to reduce the amount of water inlet. Since the smaller the spacing between the upper roller 6 and the lower roller 61, the faster the speed, the more cooling water will be passed into the inner part thereof, and the cooling effect will be better. The better, so that the deformation heat generated by the plate during the gradual casting and rolling process can be cooled, preventing excessive heat from accumulating inside the plate. At the same time, the cooling effect is gradually enhanced as the plate is gradually cast and rolled, which can prevent the plate from being cracked due to excessive cooling at one time. Since the diameter of the second gear 35 is larger than the diameter of the first gear 34, the rotation speed of the detection disk 36 corresponding to the lower roller 61 will be faster than the detection disk 36 corresponding to the upper roller 6. More cooling water is injected into the lower roller 61, and the cooling effect is better than that of the upper roller 6. The copper plate corresponding to the lower roller 61 has a better thermal conductivity than aluminum, which can cool the plate and form it faster.

[0022] A wedge plate 19 is fixedly installed at the lower end of one of the lower slide seats 71, and a wedge block 20 that cooperates with the wedge plate 19 is slidably installed in the casting and rolling seat 3. A third spring 42 is fixedly connected between the wedge block 20 and the inner wall of the casting and rolling seat 3. A pressure sensing plate 21 for controlling the output power of the motor 11 is fixedly installed on one side of the wedge block 20. A limit shaft 14 is rotatably installed in the casting and rolling seat 3, and sliders 16 are symmetrically slidably installed on the inner walls of both sides of the casting and rolling seat 3. Each slider 16 is fixedly connected to the inner wall of the casting and rolling seat 3 with a first spring 17. A rotating shaft 15 that cooperates with the limit shaft 14 is rotatably installed between the two sliders 16. A rotating rod 25 is rotatably installed in the casting and rolling seat 3, and a counterweight block 2 is fixedly installed at the lower end of the rotating rod 25. 6. A connecting rope 18 is fixedly connected between the counterweight 26 and one of the sliders 16. A slide 24 is slidably installed on the upper end of the rotating rod 25. The slide 24 is slidably installed in the inner wall of the casting and rolling seat 3. An elastic rod 23 is fixedly installed on one end of the slide 24. A push plate 22 that cooperates with the pressure sensing plate 21 is fixedly installed on one end of the elastic rod 23. After the copper plate is separated from the copper coil 4, it passes under the limit shaft 14. The rotating shaft 15 will drive the sliders 16 on both sides to overcome the elastic force of the first spring 17 and slide on the casting and rolling seat 3 according to the thickness of the copper plate, and pull one end of the connecting rope 18. The other end of the connecting rope 18 will pull the counterweight 26 to flip upward, causing the rotating rod 25 to rotate relatively. At the same time, the other end of the rotating rod 25 will push the slide 24 and the push plate 22 When the push plate 22 moves toward the pressure sensing plate 21 and contacts the pressure sensing plate 21, the pressure sensing plate 21 will sense the pressure and compress the elastic rod 23. When the thickness of the copper plate is greater, the sliding distance of the rotating shaft 15 will be longer, the more the connecting rope 18 is pulled, the greater the flip angle of the counterweight 26, the longer the distance the slide plate 24 pushes the push plate 22 to move, and the greater the pressure sensed by the pressure sensing plate 21. If the thickness of the copper plate is smaller, the pressure sensed by the pressure sensing plate 21 will also be smaller accordingly. When adjusting the casting thickness of the plate in the initial stage, when the required thickness of the plate is greater, the downward movement distance of the wedge plate 19 driven by the lower slide seat 71 will also be greater. Through the cooperation between the inclined surface of the wedge plate 19 and the inclined surface of the wedge block 20, the wedge block 20 can move downward. 0 will drive the pressure sensing plate 21 to overcome the elastic force of the third spring 42 and move away from the push plate 22. If the required thickness of the plate is small, the closer the pressure sensing plate 21 is to the push plate 22 in the initial state, the pressure sensing plate 21 is electrically connected to the motor 11. The pressure sensed by the pressure sensing plate 21 is always proportional to the output power of the motor 11. When the pressure sensed by the pressure sensing plate 21 is greater, it means that the copper plate accounts for a larger proportion of the thickness of the plate after casting and rolling. The motor 11 will be controlled to increase the power and increase the casting and rolling speed. If the pressure sensed by the pressure sensing plate 21 is smaller, it means that the copper plate accounts for a smaller proportion of the thickness of the plate after casting and rolling. The motor 11 will be controlled to reduce the power and slow down the casting and rolling speed to reduce the cracking of the copper-aluminum interface.

[0023] Specifically, first select a copper coil 4 of appropriate thickness, and place the aluminum raw material in the aluminum melting furnace 1 to melt, and then adjust the height of the upper slide 7 and the upper roller 6 by the hydraulic lifting device 8 according to the required thickness of the plate, the upper slide 7 will drive one end of the connecting rod 13 to move synchronously, and the other end of the connecting rod 13 will drive the lower slide 71 and the lower roller 61 to move synchronously in the opposite direction, so that the upper roller 6 and the lower roller 61 move synchronously relative to or in the opposite direction, and adjust the thickness of the cast plate. After the copper plate is separated from the copper coil 4, it passes under the limit shaft 14. The rotating shaft 15 will drive the sliders 16 on both sides to overcome the elastic force of the first spring 17 and slide on the casting seat 3 according to the thickness of the copper plate, and pull one end of the connecting rope 18. The other end of the connecting rope 18 will pull the counterweight block 26 upward to flip the rotating rod 2 5 rotates relative to each other, and at the same time, the other end of the rotating rod 25 pushes the slide plate 24 and the push plate 22 to move toward the pressure sensing plate 21. After the push plate 22 contacts the pressure sensing plate 21, the pressure sensing plate 21 will sense the pressure and compress the elastic rod 23. When the thickness of the copper plate is greater, the sliding distance of the rotating shaft 15 will be longer, the more the connecting rope 18 is pulled, the greater the turning angle of the counterweight 26, the longer the distance the slide plate 24 pushes the push plate 22 to move, and the greater the pressure sensed by the pressure sensing plate 21. If the thickness of the copper plate is smaller, the pressure sensed by the pressure sensing plate 21 will be correspondingly smaller. When adjusting the casting thickness of the plate in the initial stage, when the required thickness of the plate is greater, the lower slide seat 71 drives the wedge plate 19 to move downward a greater distance, through the inclined surface of the wedge plate 19 and the inclined surface of the wedge block 20 With the cooperation of the surfaces, the wedge block 20 will drive the pressure sensing plate 21 to overcome the elastic force of the third spring 42 and move away from the push plate 22. If the required thickness of the plate is small, the closer the pressure sensing plate 21 is to the push plate 22 in the initial state, and the greater the pressure sensed by the pressure sensing plate 21, the greater the thickness of the copper plate in the plate after casting and rolling. The motor 11 will be controlled to increase the power and increase the casting speed. If the pressure sensed by the pressure sensing plate 21 is small, the thickness of the copper plate in the plate after casting and rolling is small. The motor 11 will be controlled to reduce the power, slow down the casting speed, and reduce the cracking of the copper-aluminum interface. After starting the motor 11, the transmission belt 10 will drive the transmission wheel 9 and the corresponding upper roller 6 and lower roller 61 to rotate. The smaller the spacing between the upper roller 6 and the lower roller, the closer the spacing between the upper roller 6 and the lower roller. The faster the 61 rotates, the more the casting nozzle 2 outputs molten aluminum liquid. After the aluminum liquid is combined with the copper plate, it is cast and cooled by the upper roller 6 and the lower roller 61 to form a composite plate. During the cooling process, the water valve 29 controls the cooling water to enter the cooling pipe 27 in the upper roller 6 and the lower roller 61 through the water inlet pipe 31, and then discharges the cooling water from the outlet end of the cooling pipe 27 into the sealing seat 30, and is discharged into the cooling water tank 28 through the outlet pipe 32 for cooling. During the rotation of the upper roller 6 and the lower roller 61, the corresponding gear ring 33 will be driven to rotate synchronously. Through the engagement of the gear ring 33 with the first gear 34 and the second gear 35, the detection disk 36 will be driven to rotate. When the detection disk 36 rotates, the ball 40 will be subjected to centrifugal force and overcome the elastic force of the second spring 39 to slide in the slide groove 37.The faster the detection disk 36 rotates, the greater the centrifugal force applied to the ball 40, and the greater the force sensed by the centrifugal force sensing plate 38. This controls the corresponding water valve 29 to allow more cooling water to flow into the water inlet pipe 31. The smaller the spacing between the upper and lower rollers 6 and 61, the faster the rotation speed, the more cooling water flows into them, and the better the cooling effect. The cooling effect gradually increases as the plate is cast and rolled.

[0024] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0025] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A copper-aluminum composite casting and rolling mill, comprising an aluminum melting furnace (1), a casting and rolling stand (3), and a winding device (41) for winding a plate, characterized in that: A casting nozzle (2) is fixedly installed on the aluminum melting furnace (1), a copper coil (4) is rotatably installed on the casting and rolling stand (3), a heating plate (5) for preheating the copper plate is fixedly installed on the casting and rolling stand (3), a plurality of upper rollers (6) and a plurality of lower rollers (61) are arranged in the casting and rolling stand (3), the upper rollers (6) and the lower rollers (61) correspond to each other one by one, and the spacing between the corresponding upper rollers (6) and the lower rollers (61) gradually decreases, upper slides (7) and lower slides (71) are slidably installed on both sides of the casting and rolling stand (3), both ends of each upper roller (6) are rotatably installed in the corresponding upper slide (7), and both ends of each lower roller (61) are rotatably installed in the corresponding lower slide (71), and a hydraulic lifting device (8) for controlling the height of the upper roller (6) is fixedly installed on the casting and rolling stand (3); A cooling pipe (27) is provided in each of the upper rollers (6) and each of the lower rollers (61). A sealing seat (30) is rotatably mounted on one end of each of the upper rollers (6) and one end of each of the lower rollers (61). Each of the sealing seats (30) is fixedly mounted on the corresponding upper slide seat (7) and the lower slide seat (71). A water inlet pipe (31) and a water outlet pipe (32) are fixedly mounted on each of the sealing seats (30). Each of the water inlet pipes (31) is fixedly mounted on the corresponding The water inlet end of the cooling pipe (27) is connected, and the water outlet end of each cooling pipe (27) is connected to the interior of the corresponding sealing seat (30) and the water outlet pipe (32). A cooling water tank (28) connected to the water inlet pipe (31) and the water outlet pipe (32) is provided on one side of the casting and rolling seat (3). A plurality of water valves (29) for controlling the water inlet amount of the water inlet pipe (31) are provided on the cooling water tank (28), and the water valves (29) correspond to the water inlet pipes (31) one by one.

2. The copper-aluminum composite casting and rolling mill according to claim 1, characterized in that: A transmission wheel (9) is fixedly installed at one end of each upper roller (6) and one end of each lower roller (61), and each transmission wheel (9) is located in the corresponding upper slide (7) and lower slide (71), and the diameter of the transmission wheel (9) gradually decreases as the distance between the upper roller (6) and the lower roller (61) decreases. A transmission belt (10) is installed between the corresponding transmission wheels (9), and a motor (11) is fixedly installed on the corresponding upper slide (7) and lower slide (71), and the output end of each motor (11) is fixedly connected to one of the transmission wheels (9).

3. The copper-aluminum composite casting and rolling mill according to claim 2, characterized in that: A plurality of detection discs (36) are rotatably mounted in one of the upper slide seats (7) and one of the lower slide seats (71), each of the detection discs (36) is provided with a slide groove (37), each of the slide grooves (37) is fixedly mounted with a centrifugal force sensing plate (38) for controlling the water output of the water valve (29), each of the centrifugal force sensing plates (38) is fixedly mounted with a second spring (39), and a ball (40) is fixedly mounted on one end of each of the second springs (39).

4. The copper-aluminum composite casting and rolling mill according to claim 3, characterized in that: A gear ring (33) is fixedly mounted on one end of each upper roller (6) and one end of each lower roller (61); a plurality of first gears (34) meshing with the gear ring (33) are rotatably mounted in one of the upper slides (7); the first gears (34) correspond one-to-one with the upper roller (6); a plurality of second gears (35) meshing with the gear ring (33) are rotatably mounted in one of the lower slides (71); the second gears (35) correspond one-to-one with the lower roller (61); and each detection disk (36) is fixedly mounted on the corresponding first gear (34) and each second gear (35).

5. The copper-aluminum composite casting and rolling mill according to claim 2, characterized in that: A wedge plate (19) is fixedly mounted on the lower end of one of the lower slide seats (71), a wedge block (20) matching the wedge plate (19) is slidably mounted in the casting and rolling seat (3), a third spring (42) is fixedly connected between the wedge block (20) and the inner wall of the casting and rolling seat (3), and a pressure sensing plate (21) for controlling the output power of the motor (11) is fixedly mounted on one side of the wedge block (20).

6. The copper-aluminum composite casting and rolling mill according to claim 5, characterized in that: A limit shaft (14) is rotatably installed in the casting and rolling seat (3), and sliders (16) are symmetrically slidably installed on the inner walls of both sides of the casting and rolling seat (3). A first spring (17) is fixedly connected between each slider (16) and the inner wall of the casting and rolling seat (3). A rotating shaft (15) that matches the limit shaft (14) is rotatably installed between the two sliders (16). A rotating rod (25) is rotatably installed in the casting and rolling seat (3), and a counterweight (26) is fixedly installed at the lower end of the rotating rod (25). A connecting rope (18) is fixedly connected between the counterweight (26) and one of the sliders (16).

7. The copper-aluminum composite casting and rolling mill according to claim 6, characterized in that: A slide plate (24) is slidably mounted on the upper end of the rotating rod (25), and the slide plate (24) is slidably mounted in the inner wall of the casting and rolling seat (3). An elastic rod (23) is fixedly mounted on one end of the slide plate (24), and a push plate (22) that matches the pressure sensing plate (21) is fixedly mounted on one end of the elastic rod (23).

8. The copper-aluminum composite casting and rolling mill according to claim 1, characterized in that: Fixed shafts (12) are fixedly mounted on both sides of the casting and rolling seat (3), and two connecting rods (13) are rotatably mounted on each fixed shaft (12). The upper end of each connecting rod (13) is slidably mounted on the corresponding upper slide seat (7), and the lower end is slidably mounted on the corresponding lower slide seat (71).

9. The copper-aluminum composite casting and rolling mill according to claim 4, characterized in that: The diameter of the second gear (35) is greater than the diameter of the first gear (34).

10. The copper-aluminum composite casting and rolling mill according to claim 1, characterized in that: Each cooling tube (27) is spirally arranged in the corresponding upper roller (6) and lower roller (61).

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