A metal ingot feeding and rolling system and method

Abstract

The present invention discloses a metal ingot rolling system and method, the system comprising a bridge approach component, a rolling shear component and a straightening component, the bridge approach component performs preliminary straightening on a metal ingot (5) and pulls it to the rolling shear component; the rolling shear component shears the metal ingot (5) that has not reached the rolling temperature for remelting, and when the metal ingot (5) reaches the rolling temperature, the rolling shear component pulls the metal ingot (5) to the straightening component; the straightening component straightens the metal ingot (5) and forms a pressing head before sending it to a rolling mill for production. The present invention realizes automatic rolling of the metal ingot (5) without manual operation, and greatly improves the rolling efficiency of the metal ingot (5).

Description

Technical Field

[0001] The present invention relates to the technical field of metal processing, and in particular to a metal ingot rolling system and method. Background Art

[0002] In the metallurgical industry, liquid metal is produced into metal ingots through continuous casting machines. Then, the ingots are manually pulled up to the approach bridge from below the ground with pliers, and the ingots are manually straightened with a hammer on the approach bridge. Then, the ingots are manually fed into the front traction (electric), which drives the ingots into the rolling shear to be cut into short ingots (at the beginning of production, the casting machine system is still cold, and the produced ingots are too cold to enter the rolling mill for rolling). Then, the short ingots are manually clamped with pliers and placed on the ground nearby, ready to be returned to the furnace. After a certain period of time, when the ingot reaches the rolling temperature, one person holds the pliers to clamp the ingot head and moves synchronously with the ingot, while the other person holds a hammer in each hand and continuously hits the two sides of the ingot (because the size of the two sides of the ingot head cut by the rolling shear is significantly larger, and if it is to enter the rolling mill smoothly, the ingot head is slightly pointed). Then, the ingot is manually fed into the feeding device and then enters the rolling mill for production. This process is primitive and backward, with high ambient temperature (spindle rolling temperature is about 500℃), high labor intensity (at least 3 people are required) and low efficiency.

[0003] For example, the patent application with application number CN201821118721.2 proposes an aluminum profile straightening device, which includes a feeding mechanism, a straightening mechanism and a discharging mechanism arranged in sequence, wherein the feeding mechanism includes a conveying platform, a feeding assembly, a feeding bracket and a plurality of feeding rollers arranged on the feeding bracket; the straightening mechanism includes a straightening chamber, a supporting roller arranged in the straightening chamber, an upper pressure roller and a side pressure roller, and the straightening chamber has a feeding port for feeding aluminum bars in and a discharging port for discharging aluminum bars out; the discharging mechanism includes a discharging bracket arranged at the rear of the straightening channel, a discharging roller arranged on the discharging bracket and a collecting trough for collecting straightened aluminum bars. Although the device can save labor to a certain extent, its operating efficiency is still low, and the actual operating effect is not good. Summary of the invention

[0004] In order to solve the above problems, the present invention provides a metal ingot rolling system on the one hand, which includes a bridge approach assembly, a rolling shear assembly and a straightening assembly. The bridge approach assembly performs preliminary straightening on the metal ingot and pulls it to the rolling shear assembly; the rolling shear assembly shears the metal ingot that has not reached the rolling temperature in preparation for returning to the furnace. When the metal ingot reaches the rolling temperature, the rolling shear assembly pulls the metal ingot to the straightening assembly; the straightening assembly straightens the metal ingot and sends it to the rolling mill for production after the pressure head is formed.

[0005] Specifically, the approach bridge assembly includes a crystallization wheel, a pressing wheel, and an approach bridge. When the piston rod A is pushed out by cylinder A, the swing arm rotates around the support shaft, driving the pressing wheel to press against the outer circle of the crystallization wheel. The metal ingot is lifted by the ingot lifter on the crystallization wheel and then sent into the approach bridge, which is connected to the rolling and shearing assembly.

[0006] Specifically, multiple wheels are provided on the approach bridge. The wheels include upper wheels and lower wheels. The upper wheels are arranged at the upper end of the approach bridge, and the lower wheels are arranged at the lower end of the approach bridge.

[0007] Specifically, the rolling and shearing assembly includes a traction pressing wheel, a rolling and shearing device, and a conveying device. The traction pressing wheel sends the metal ingot to the rolling and shearing device, which shears the metal ingot. The metal ingot that has not reached the rolling temperature is conveyed to the re-melting point through the conveying device for re-melting.

[0008] Specifically, the rolling and shearing device includes two upper rolling and shearing machine cutter disks and a lower rolling and shearing machine cutter disk with opposite running directions. A channel for the metal ingot to pass through is provided between the upper rolling and shearing machine cutter disk and the lower rolling and shearing machine cutter disk.

[0009] Specifically, the conveying device includes roller wheels, a status frame, and rollers. The rotation of the roller wheels is achieved by cylinder B and piston rod B, driving the status frame to turn to channel A or channel B. Channel A is connected to the rollers, and channel B is connected to the straightening assembly. The movement of the rollers is driven by motor A, reducer A, and a sprocket mechanism to convey the sheared metal ingot to the re-melting point.

[0010] Specifically, the straightening assembly includes a traction wheel and a straightening wheel. The rotation of the traction wheel is achieved by motor B, reducer B, and a universal coupling to drive the metal ingot forward. The straightening of the metal ingot is realized by driving the straightening wheel to press down through cylinder D and piston rod D. The head forming of the metal ingot is achieved through two pairs of oppositely arranged hydraulic cylinders, piston rod E, and ingot pressing head side wheels.

[0011] Specifically, the straightening assembly further includes cylinder C and support wheels. Piston rod C is provided on cylinder C and is connected to the traction wheel. The metal ingot is pressed by the traction wheel and the support wheels.

[0012] On the other hand, the present invention proposes a method for feeding a metal ingot into rolling, which includes the following steps:

[0013] Pour the molten aluminum from the casting port, rotate the crystallization wheel, and press the metal ingot tightly onto the crystallization wheel through the pressing wheel; use the ingot lifter to lift the metal ingot on the crystallization wheel, and send the metal ingot onto the approach bridge by using the friction force on the crystallization wheel; reduce the resistance of the metal ingot through the lower wheel set on the approach bridge, and achieve the preliminary straightening of the metal ingot through the upper wheel set on the approach bridge; realize the rotation of the roller through the cylinder B and the piston rod B, drive the state frame to turn to the channel A, and achieve the shearing of the metal ingot through the upper rotary shear cutter head and the lower rotary shear cutter head, drive the roller to move through the motor A, the reducer A and the sprocket mechanism, and convey the sheared metal ingot to the re-melting point; when the temperature of the metal ingot reaches the rolling-in temperature, the rotary shear stops, realize the rotation of the roller through the cylinder B and the piston rod B, and drive the state frame to turn to the channel B; the metal ingot after passing through the channel B enters the straightening assembly, realize the rotation of the traction wheel through the motor B, the reducer B and the universal coupling, and drive the metal ingot to move forward; drive the straightening wheel to press down through the cylinder D and the piston rod D to realize the straightening of the metal ingot; realize the head forming of the metal ingot through two pairs of oppositely arranged hydraulic cylinders, the piston rod E and the ingot pressing head side wheel; send it into the rolling mill to complete the rolling-in.

[0014] The beneficial effects of the present invention are as follows: The automatic rolling-in of the metal ingot is realized, without manual operation, and the rolling-in efficiency of the metal ingot is greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on the structures shown in these drawings.

[0016] Figure 1 It is a system block diagram of the present invention;

[0017] Figure 2 It is a schematic structural diagram of the approach bridge assembly;

[0018] Figure 3 For Figure 2 Sectional view A-A in

[0019] Figure 4 For Figure 2 View B in

[0020] Figure 5 It is a schematic structural diagram of the rotary shear assembly;

[0021] Figure 6 For Figure 5 Sectional view C-C in

[0022] Figure 7 ForFigure 5 D-D sectional view;

[0023] Figure 8 It is a schematic structural diagram of a straightening component;

[0024] Figure 9 is Figure 8 E-E sectional view in;

[0025] Figure 10 is Figure 8 F-F sectional view in;

[0026] Figure 11 is Figure 8 G-G sectional view in;

[0027] Figure 12 is Figure 11 View in the direction of K in;

[0028] In the figure, 1 - ground, 2 - crystallization wheel, 3 - casting port, 4 - ingot lifter, 5 - metal ingot, 6 - approach bridge, 7 - lower wheel, 8 - upper wheel, 9 - pressing wheel, 10 - support shaft, 11 - cylinder A, 12 - piston rod A, 13 - swing arm, 14 - traction pressure wheel, 15 - channel A, 16 - upper rotary shearing machine cutter head, 17 - lower rotary shearing machine cutter head, 18 - roller, 19 - status frame, 20 - frame A, 21 - roller, 22 - channel B, 23 - short ingot, 24 - motor A, 25 - reducer A, 26 - sprocket A, 27 - chain, 28 - sprocket B, 29 - cylinder B, 30 - piston rod B, 31 - cylinder C, 32 - piston rod C, 33 - frame B, 34 - traction wheel, 35 - straightening wheel, 36 - support wheel, 37 - cylinder D, 38 - piston rod D, 39 - support rod, 40 - bolt, 41 - lever, 42 - motor B, 43 - reducer B, 44 - universal coupling, 45 - hydraulic cylinder, 46 - piston rod E, 47 - side wheel of ingot pressing head, 48 - side wheel frame. Detailed implementation manners

[0029] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. Usually, the components of the embodiments of the present invention described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0030] It should be noted that: Similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0031] The following will describe in detail some embodiments of the present invention with reference to the accompanying drawings. Without conflict, the following embodiments and the features in the embodiments can be combined with each other.

[0032] Embodiment 1:

[0033] Refer to Figure 1-12 , a metal ingot feeding and rolling system, including a bridging component, a rotary shearing component, and a straightening component. The bridging component preliminarily straightens the metal ingot 5 and pulls it to the rotary shearing component; the rotary shearing component shears the metal ingot 5 that has not reached the rolling temperature for return to the furnace, and when the metal ingot 5 reaches the rolling temperature, the rotary shearing component pulls the metal ingot 5 to the straightening component; the straightening component straightens the metal ingot 5, forms the head, and then sends it into the rolling mill for production.

[0034] Further, the bridging component includes a crystallizing wheel 2, a pressing wheel 9, and a bridge 6. When the piston rod A12 is pushed out by the cylinder A11, the swing arm 13 rotates around the support shaft 10, driving the pressing wheel 9 to press against the outer circle of the crystallizing wheel 2. The metal ingot 5 is lifted by the ingot lifter 4 on the crystallizing wheel 2 and then sent into the bridge 6, and the bridge 6 is connected to the rotary shearing component.

[0035] Further, a casting port 3 is provided on the crystallizing wheel 2, and molten aluminum enters the crystallizing wheel 2 through the casting port 3. When starting casting, the cylinder A11 is started, and the piston rod A12 is pushed out to the left. The swing arm 13 rotates counterclockwise around the support shaft 10, driving the pressing wheel 9 to press against the outer circle of the crystallizing wheel 2. The crystallizing wheel 2 is driven by a motor (not shown) to rotate clockwise. When the metal ingot 5 rotates with the crystallizing wheel 2 to the pressing wheel 9, the metal ingot 5 is pressed into the crystallizing wheel groove of the crystallizing wheel 2 by the pressing wheel 9. The metal ingot 5 in the crystallizing wheel groove is lifted out by the ingot lifter 4, and the metal ingot 5 is sent into the upper bridge 6 by using the friction force on the crystallizing wheel 2.

[0036] Further, a plurality of wheels are provided on the bridge 6, and the wheels include an upper wheel 8 and a lower wheel 7. The upper wheel 8 is arranged at the upper end of the bridge 6, and the lower wheel 7 is arranged at the lower end of the bridge 6. By arranging the lower wheel 7 on the bridge 6, the resistance of the metal ingot 5 during movement can be reduced, and by the upper wheel 8 on the bridge 6, the forward movement power of the metal ingot 5 can be utilized to realize the preliminary straightening of the metal ingot 5, so as to facilitate entering the rotary shearing component.

[0037] Further, the rotary shearing component includes a traction pressing wheel 14, a rotary shearing device, and a conveying device. The traction pressing wheel 14 sends the metal ingot 5 to the rotary shearing device, the rotary shearing device shears the metal ingot 5, and the metal ingot 5 that has not reached the rolling temperature is conveyed to the return furnace point through the conveying device for return to the furnace.

[0038] Further, the traction pressure wheel 14 is driven by an electric traction machine (not shown), providing the power for the forward movement of the metal ingot 5.

[0039] Further, the rolling shear equipment includes two upper rolling shear cutter discs 16 and lower rolling shear cutter discs 17 with opposite running directions, and a channel for the metal ingot 5 to pass through is provided between the upper rolling shear cutter disc 16 and the lower rolling shear cutter disc 17.

[0040] Further, the conveying equipment includes roller wheels 18, a state frame 19, and rollers 21. The rotation of the roller wheels 18 is achieved through cylinder B29 and piston rod B30, and the state frame 19 is driven to turn towards channel A15 or channel B22. Channel A15 is connected to the rollers 21, and channel B22 is connected to the straightening assembly. The movement of the rollers 21 is driven by motor A24, reducer A25, and a sprocket mechanism to convey the sheared metal ingot 5 to the remelting point.

[0041] Further, when the state frame 19 turns towards channel A15, it is in the rolling shear state (cylinder B29 is activated, piston rod B30 retracts, and the two state frames 19 are driven to retract to the corresponding channel A15 through the four roller wheels 18). At this time, the rolling shear equipment starts in advance to cut the metal ingot 5 into short ingots 23. The cut short ingots 23 fall onto the following four rollers 21 under the action of gravity. The four rollers 21 are driven by motor A24 and reducer A25 to drive sprocket A26, chain 27, and sprocket B28, driving the rollers 21 to rotate clockwise to send the short ingots 23 to the remelting point for remelting. When the temperature of the metal ingot 5 reaches the rolling temperature, the rolling shear ends and it enters the production state (cylinder B29 is activated, piston rod B30 extends, and the two state frames 19 are driven by the four roller wheels 18 to align with the position of channel B22). The metal ingot 5 after passing through channel B22 enters the straightening assembly.

[0042] Further, the straightening assembly includes a traction wheel 34 and a straightening wheel 35. The counterclockwise rotation of the traction wheel 34 is achieved through motor B42, reducer B43, and a universal coupling 44 to drive the metal ingot 5 forward. The straightening wheel 35 is driven to press down through cylinder D37 and piston rod D38 (piston rod D38 retracts, driving the straightening wheel 35 to press down through a lever 41, and the pressing amount is adjusted by a bolt 40 on a support rod 39) to straighten the metal ingot 5. The head forming of the metal ingot 5 is achieved through two pairs of oppositely arranged hydraulic cylinders 45, piston rods E46, and ingot head side wheels 47 (at this time, piston rod E46 is in the extended state, pressing the two ingot head side wheels 47 into a tightened state. The metal ingot 5 enters between the two ingot head side wheels 47 under the action of the traction wheel 34. When the head of the metal ingot 5 reaches Figure 12 the position shown, the two hydraulic cylinders 45 act simultaneously, and the two piston rods E46 quickly retract to form the head of the metal ingot 5, and it smoothly enters rolling through the subsequent channel).

[0043] Further, the straightening assembly further includes a cylinder C31 and a support wheel 36. A piston rod C32 is provided on the cylinder C31, and the piston rod C32 is connected to the traction wheel 34. The metal ingot 5 is pressed by the traction wheel 34 and the support wheel 36 (at this time, the piston rod C32 of the cylinder C31 is retracted). After the metal ingot 5 finishes rolling, the piston rod C32 of the cylinder C31 extends, and the traction wheel 34 is lifted away from the metal ingot 5. In addition, if a synchronous press head is adopted during the movement of the ingot, a synchronous movement mechanism for the press head must be added, which makes the mechanism complex.

[0044] A method for feeding a metal ingot into rolling: Pour molten aluminum from the casting port), rotate the crystallization wheel 2, and press the metal ingot 5 onto the crystallization wheel 2 through the pressing wheel 9; Use the ingot lifter 4 to lift the metal ingot 5 on the crystallization wheel 2, and use the friction force on the crystallization wheel 2 to send the metal ingot 5 onto the approach bridge 6; Reduce the resistance of the metal ingot) through the lower wheel 7 provided on the approach bridge 6, and achieve the preliminary straightening of the metal ingot 5 through the upper wheel 8 provided on the approach bridge 6; Rotate the roller 18 through the cylinder B29 and the piston rod B30, drive the state frame 19 to turn to the channel A15, and cut the metal ingot 5 through the upper rolling shear cutter head 16 and the lower rolling shear cutter head 17. Drive the roller 21 to move through the motor A24, the reducer A25 and the sprocket mechanism, and convey the cut metal ingot 5 (short ingot 23) to the remelting point; When the temperature of the metal ingot 5 reaches the rolling temperature, the rolling shear stops, rotate the roller 18 through the cylinder B29 and the piston rod B30, and drive the state frame 19 to turn to the channel B22; The metal ingot 5 after passing through the channel B22 enters the straightening assembly, rotate the traction wheel 34 through the motor B42, the reducer B43 and the universal coupling 44, and drive the metal ingot 5 to move forward; Drive the straightening wheel 35 to press down through the cylinder D37 and the piston rod D38 to achieve the straightening of the metal ingot 5; Achieve the head forming of the metal ingot 5 through two pairs of oppositely arranged hydraulic cylinders 45, piston rods E46 and ingot pressing head side wheels 47; Feed into the rolling mill to complete the rolling.

[0045] As used herein, "an embodiment" or "embodiment" means a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. In the description of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "front", "rear", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0046] In the above embodiments, the basic principles, main features and advantages of the present invention are described. Those skilled in the art should understand that the present invention is not limited by the above embodiments. What is described in the above embodiments and the specification only illustrates the principles of the present invention. Without departing from the spirit and scope of the present invention, any modifications and changes made by those skilled in the art should fall within the protection scope of the appended claims of the present invention.

Claims

1. A metal ingot feeding and rolling system, characterized in that, The invention comprises a bridge approach component, a rolling shear component and a straightening component. The bridge approach component performs preliminary straightening on the metal ingot (5) and pulls it to the rolling shear component. The rolling shear component shears the metal ingot (5) that has not reached the rolling temperature for remelting. When the metal ingot (5) reaches the rolling temperature, the rolling shear component pulls the metal ingot (5) to the straightening component. The straightening component straightens the metal ingot (5) and forms the metal ingot with a pressing head before sending it to the rolling mill for production. The approach bridge assembly comprises a crystallization wheel (2), a pressure wheel (9) and an approach bridge (6), wherein a piston rod A (12) is pushed out by a cylinder A (11), and a swing arm (13) is rotated around a support shaft (10), thereby driving the pressure wheel (9) to be pressed against the outer circle of the crystallization wheel (2), and an ingot lifter (4) arranged on the crystallization wheel (2) lifts a metal ingot (5) and sends it into the approach bridge (6), wherein the approach bridge (6) is connected to a rolling shear assembly; a plurality of wheels are arranged on the approach bridge (6), wherein the wheels comprise an upper wheel (8) and a lower wheel (7), wherein the upper wheel (8) is arranged at the upper end of the approach bridge (6), and the lower wheel (7) is arranged at the lower end of the approach bridge (6); The rolling shear assembly comprises a traction pressure wheel (14), a rolling shear device and a conveying device. The traction pressure wheel (14) conveys the metal ingot (5) to the rolling shear device. The rolling shear device shears the metal ingot (5). The metal ingot (5) that has not reached the rolling temperature is conveyed to a remelting point by the conveying device for remelting. The rolling shear device comprises an upper rolling shear cutter disc (16) and a lower rolling shear cutter disc (17) running in opposite directions. A passage for the metal ingot (5) to pass through is provided between the upper rolling shear cutter disc (16) and the lower rolling shear cutter disc (17). The straightening assembly comprises a traction wheel (34) and a straightening wheel (35); the traction wheel (34) is rotated by means of a motor B (42), a reducer B (43) and a universal coupling (44), thereby driving the metal ingot (5) forward; the straightening wheel (35) is pressed downward by means of a cylinder D (37) and a piston rod D (38), thereby achieving straightening of the metal ingot (5); and the pressing head forming of the metal ingot (5) is achieved by means of two pairs of hydraulic cylinders (45) arranged opposite to each other, a piston rod E (46) and a pressing head side wheel (47); the straightening assembly further comprises a cylinder C (31) and a supporting wheel (36); the cylinder C (31) is provided with a piston rod C (32), the piston rod C (32) is connected to the traction wheel (34), and the metal ingot (5) is pressed by means of the traction wheel (34) and the supporting wheel (36); The conveying device comprises a roller (18), a state frame (19) and a roller (21); the roller (18) is rotated by a cylinder B (29) and a piston rod B (30), and the state frame (19) is driven to turn to a channel A (15) or a channel B (22); the channel A (15) is connected to the roller (21), and the channel B (22) is connected to a straightening component; the roller (21) is driven to move by a motor A (24), a reducer A (25) and a sprocket mechanism, and the sheared metal ingot (5) is conveyed to a remelting point.

2. A metal ingot feeding and rolling method, implemented based on the metal ingot feeding and rolling system described in claim 1, characterized in that, The steps include: Pour the molten aluminum from the casting port (3), rotate the crystallizing wheel (2), and press the metal ingot (5) onto the crystallizing wheel (2) through the pressing wheel (9); use the ingot lifter (4) to lift the metal ingot (5) on the crystallizing wheel (2), and utilize the friction force on the crystallizing wheel (2) to send the metal ingot (5) onto the approach bridge (6); reduce the resistance of the metal ingot (5) through the lower wheel (7) provided on the approach bridge (6), and achieve the preliminary straightening of the metal ingot (5) through the upper wheel (8) provided on the approach bridge (6); rotate the roller (18) through the cylinder B (29) and the piston rod B (30), drive the state frame (19) to turn to the channel A (15), and cut the metal ingot (5) through the upper rotary shearing machine cutter head (16) and the lower rotary shearing machine cutter head (17), drive the roller (21) to move through the motor A (24), the reducer A (25) and the sprocket mechanism, and convey the cut metal ingot (5) to the remelting point; when the temperature of the metal ingot (5) reaches the rolling-in temperature, the rotary shearing stops, rotate the roller (18) through the cylinder B (29) and the piston rod B (30), and drive the state frame (19) to turn to the channel B (22); the metal ingot (5) after passing through the channel B (22) enters the straightening assembly, rotate the traction wheel (34) through the motor B (42), the reducer B (43) and the universal coupling (44), and drive the metal ingot (5) to move forward; drive the straightening wheel (35) to press down through the cylinder D (37) and the piston rod D (38) to achieve the straightening of the metal ingot (5); achieve the head forming of the metal ingot (5) through two pairs of oppositely arranged hydraulic cylinders (45), piston rods E (46) and ingot pressing head side wheels (47); feed it into the rolling mill to complete the rolling-in.

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