A forging device and method for local upsetting forming of a large shaft forging

Abstract

The application belongs to the technical field of forging, in particular to a large shaft forging local upsetting forming forging device and method, which comprises a base, a forging machine, a controller and a forging table, the forging machine is fixedly installed on the top of the base, the controller is fixedly installed on one side of the support of the forging machine, the forging table is located directly below the forging machine, and the inner surface of the base is provided with a cleaning mechanism. The large shaft forging local upsetting forming forging device and method, by setting the cleaning mechanism, can automatically clean the debris remaining on the forging table, reduce the time consumed by manual operation, and by setting the placing groove to store the steel brush, avoid the influence of the steel brush on the normal use of the forging machine, at the same time, set the baffle and drive the baffle to rise and fall under the electric telescopic rod, avoid the debris generated in the forging process from entering the placing groove, so as to achieve the effect of cleaning the forging table.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of forging technology, in particular to a local upsetting forming forging device and method for large shaft forgings. BACKGROUND

[0002] Forging is a kind of processing method that uses forging machinery to apply pressure to metal blanks to produce plastic deformation to obtain forgings with certain mechanical properties, certain shapes and sizes. It is one of the two major components of forging and stamping. Through forging, the casting porosity and other defects generated in the smelting process of the metal can be eliminated, and the microstructure is optimized. At the same time, since the complete metal flow line is preserved, the mechanical properties of the forgings are generally better than those of the castings of the same material.

[0003] Due to the particularity and complexity of large forging manufacturing technology, various defects different from small and medium-sized forgings are easily formed during the forging process. In the prior art, the upsetting of large shaft forgings cannot timely turn over the ingot during the forging process, and the position of the ingot cannot be easily adjusted in time, thereby reducing the forging efficiency of the ingot. At the same time, a large amount of debris is generated on the forging table during the forging process. At present, manual cleaning is still used after each forging is completed, so a lot of time is wasted. SUMMARY

[0004] Based on the above-mentioned technical problems in the prior art, the present application provides a local upsetting forming forging device and method for large shaft forgings.

[0005] The local upsetting forming forging device for large shaft forgings provided by the present application comprises a base, a forging machine, a controller and a forging table. The forging machine is fixedly installed on the top of the base. The controller is fixedly installed on one side of the support of the forging machine. The forging table is located directly below the forging machine. The inner surface of the base is provided with a cleaning mechanism. One side of the outer surface of the base is provided with a moving and rotating mechanism. The upper surface of the moving mechanism is provided with a clamping and rotating mechanism.

[0006] The cleaning mechanism is used to clean the debris generated on the forging table during the forging process to prevent affecting the forging efficiency.

[0007] The moving and rotating mechanism is used to transport the ingot to the forging table while avoiding affecting the use of the forging machine.

[0008] The clamping and rotating mechanism is used to rotate the ingot on the forging table by a certain angle after clamping.

[0009] Preferably, the cleaning mechanism comprises a steel brush, an installation groove is arranged on the inner surface of the base, a first screw rod is arranged on the inner wall of the installation groove through a bearing, a driving motor is fixedly arranged on one side surface of the base, the output shaft of the driving motor is fixedly sleeved with one end of the first screw rod through a rotating shaft, a sliding block is threadedly connected with the outer surface of the first screw rod, the surface of the sliding block is slidingly connected with the inner wall of the installation groove, and one end of the steel brush is fixedly connected with the sliding block extending to one side of the installation groove.

[0010] Through the above technical scheme, in order to drive the steel brush to move left and right, thereby facilitating the cleaning of the debris on the forging table, the rotation of the output shaft of the driving motor drives the rotation of the first screw rod, the rotation of the first screw rod drives the movement of the sliding block along the inner wall of the installation groove on the first screw rod, and the movement of the sliding block drives the movement of the steel brush.

[0011] Preferably, two placing grooves are respectively arranged on the two sides of the inner surface of the base, and the surface of the steel brush is slidingly connected with the inner wall of the placing groove.

[0012] Through the above technical scheme, the placing groove accommodates the steel brush, preventing the steel brush from affecting the use of the forging machine.

[0013] Preferably, cavities are respectively arranged on the inner bottom walls of the two placing grooves, electric telescopic rods are respectively fixedly arranged on the two sides of the inner bottom wall of the cavity, baffles are fixedly connected with one end of the two electric telescopic rods, contact limit switches are fixedly arranged on the inner walls of the two placing grooves, and the contact limit switches are electrically connected with the electric telescopic rods.

[0014] Through the above technical scheme, when the steel brush moves to contact the contact limit switch, the contact limit switch controls the electric telescopic rod in the cavity to start, the end of the electric telescopic rod connected with the baffle drives the baffle to move upwards, so that the baffle closes the placing groove, avoiding the sparks and debris generated during the forging process from entering the placing groove.

[0015] Preferably, the moving and rotating mechanism comprises a supporting seat arranged on one side of the outer surface of the base, a groove is arranged on the upper surface of the supporting seat, a second screw rod is arranged on the inner wall of the groove through a bearing, an adjusting motor is fixedly arranged on one side of the supporting seat, the output shaft of the adjusting motor is fixedly sleeved with one end of the second screw rod, a moving seat is threadedly connected with the outer surface of the second screw rod, the surface of the moving seat is slidingly connected with the inner wall of the groove, and a clamping jaw is arranged on the top of the moving seat.

[0016] Through the above technical scheme, the rotation of the output shaft of the adjusting motor drives the rotation of the second screw rod, the rotation of the second screw rod drives the movement of the moving seat along the inner wall of the groove on the second screw rod, and the movement of the moving seat drives the movement of the clamping jaw.

[0017] Preferably, the upper surface of the moving seat is fixedly provided with sliding rails on both sides, the surfaces of the two sliding rails are slidably connected with moving blocks, and the upper surfaces of the two moving blocks are fixedly connected with the lower surface of the moving seat.

[0018] Through the above technical scheme, in order to position the moving seat, the moving block is driven to move along the surface of the sliding rail by the movement of the moving seat.

[0019] Preferably, the upper surface of the moving seat is fixedly provided with an installation shell, the inside of the installation shell is fixedly provided with a rotating motor, one end of the output shaft of the rotating motor extends to the outer surface of the installation shell and is fixedly provided with a support block, the upper surface of the support block is fixedly provided with a hydraulic cylinder, one end of the piston rod of the hydraulic cylinder is fixedly connected with a connecting shell, and the clamping jaw is arranged on one side of the connecting shell.

[0020] Through the above technical scheme, the rotation of the output shaft of the rotating motor drives the rotation of the support block, the rotation of the support block drives the rotation of the hydraulic cylinder, the rotation of the hydraulic cylinder drives the rotation of the clamping jaw through the connecting shell, and the extension and retraction of the piston rod of the hydraulic cylinder drives the forward and backward movement of the clamping jaw through the connecting shell.

[0021] Preferably, the surface of the forging table is fixedly provided with an inductive limit switch, and the inductive limit switch is electrically connected with the adjusting motor.

[0022] Through the above technical scheme, when the inductive limit switch senses the moving seat, the inductive limit switch controls the adjusting motor to stop running.

[0023] Preferably, the clamping and rotating mechanism comprises a rotating motor fixedly installed on the upper surface of the connecting shell, one end of the output of the rotating motor extends into the connecting shell and is fixedly sleeved with a bevel gear through a rotating shaft, one end of the clamping jaw is fixedly connected with a rotating disc, the axis of the rotating disc extends into the connecting shell through a connecting shaft and is fixedly sleeved with the axis of another bevel gear, and the two bevel gears are meshed with each other.

[0024] Through the above technical scheme, the rotation of the output shaft of the rotating motor drives the rotation of the bevel gear through the rotating shaft, the rotation of the bevel gear drives the rotation of the rotating disc through the meshing with another bevel gear, and the rotation of the rotating disc drives the rotation of the clamping jaw.

[0025] The forging method of the forging device for local upsetting forming of large shaft forgings provided by the application is as follows:

[0026] S1, in use, the extension of the hydraulic cylinder piston rod drives the clamping jaw to clamp the steel ingot to be forged through the connecting shell, after clamping, the retraction of the hydraulic cylinder piston rod drives the clamping jaw to reset, the rotary motor is started, the rotation of the rotary motor output shaft drives the support block to rotate, the rotation of the support block drives the hydraulic cylinder to rotate, the rotation of the hydraulic cylinder drives the clamping jaw to rotate through the connecting shell, until the clamping jaw faces the forging table;

[0027] S2, the adjusting motor is started, the rotation of the adjusting motor output shaft drives the second screw to rotate, the rotation of the second screw drives the moving seat to move on the second screw along the inner wall of the groove, the movement of the moving seat drives the moving block to move along the slide rail surface, and the movement of the moving seat drives the clamping jaw to move, until the moving seat moves to the inductive limit switch, the inductive limit switch controls the adjusting motor to stop running, so that the clamping jaw is perpendicular to the axis of the forging table;

[0028] S3, then the piston rod of the hydraulic cylinder is extended to drive the clamping jaw to place the steel ingot on the forging table, and then the piston rod of the hydraulic cylinder is retracted to drive the clamping jaw to reset;

[0029] S4, the forging machine is used for forging the steel ingot on the forging table, and the clamping jaw is driven to clamp the steel ingot on the forging table under the cooperation of the hydraulic cylinder, the rotary motor is started, the rotation of the rotary motor output shaft drives the bevel gear to rotate through the rotating shaft, the rotation of the bevel gear drives the rotating disc to rotate through the meshing with another bevel gear, the rotation of the rotating disc drives the clamping jaw to rotate, so that the steel ingot is turned over by a certain angle through the clamping jaw, and different surfaces of the steel ingot are convenient for forging;

[0030] S5, after forging, one end of the electric telescopic rod is retracted to drive the baffle in the placing groove to move downward along the cavity, the driving motor is started, the rotation of the driving motor output shaft drives the first screw to rotate, the rotation of the first screw drives the sliding block to move on the first screw along the inner wall of the mounting groove, the movement of the sliding block drives the steel brush to move, and the steel brush cleans the debris on the forging table.

[0031] The beneficial effects in the application are:

[0032] 1, by setting the cleaning mechanism, the residual debris on the forging table can be automatically cleaned, the time consumed by manual operation is reduced, the rotation of the driving motor output shaft drives the first screw to rotate, the rotation of the first screw drives the sliding block to move on the first screw along the inner wall of the mounting groove, the movement of the sliding block drives the steel brush to move, the movement of the steel brush cleans the debris on the forging table, the steel brush is stored in the placing groove, the normal use of the forging machine is avoided, the baffle is arranged, and the baffle is lifted and lowered under the drive of the electric telescopic rod, the debris generated in the forging process is prevented from entering the placing groove, and the effect of cleaning the forging table is achieved.

[0033] 2、By setting the mobile rotating mechanism, it is convenient to transport the steel ingot to the forging table according to the need, and the position and direction of the steel ingot can be adjusted in time during the forging process, the rotation of the motor output shaft drives the second screw to rotate, the rotation of the second screw drives the moving seat to move on the second screw along the inner wall of the groove, the movement of the moving seat drives the clamping jaw to move, and at the same time, the movement of the moving seat drives the moving block to move along the surface of the slide rail, when the inductive limit switch senses the moving seat, the inductive limit switch controls the adjusting motor to stop running, the rotation of the motor output shaft drives the supporting block to rotate, the rotation of the supporting block drives the hydraulic cylinder to rotate, the rotation of the hydraulic cylinder drives the clamping jaw to rotate through the connecting shell, and the extension and retraction of the hydraulic cylinder piston rod drives the clamping jaw to move forward and backward through the connecting shell, so that the effect of rapid forging is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0034] Figure 1 A schematic view of a large-scale shaft forging local upsetting forming forging device and method is provided for the present application;

[0035] Figure 2 A forging machine structure perspective view of a large-scale shaft forging local upsetting forming forging device and method is provided for the present application;

[0036] Figure 3 A first screw structure perspective view of a large-scale shaft forging local upsetting forming forging device and method is provided for the present application;

[0037] Figure 4 A baffle structure perspective view of a large-scale shaft forging local upsetting forming forging device and method is provided for the present application;

[0038] Figure 5 An electric telescopic rod structure perspective view of a large-scale shaft forging local upsetting forming forging device and method is provided for the present application;

[0039] Figure 6 A steel brush structure perspective view of a large-scale shaft forging local upsetting forming forging device and method is provided for the present application;

[0040] Figure 7 A contact limit switch structure perspective view of a large-scale shaft forging local upsetting forming forging device and method is provided for the present application;

[0041] Figure 8 A support seat structure perspective view of a large-scale shaft forging local upsetting forming forging device and method is provided for the present application;

[0042] Figure 9 A rotating motor structure perspective view of a large-scale shaft forging local upsetting forming forging device and method is provided for the present application;

[0043] Figure 10 Figure is a perspective view of the conical gear structure of the forging device and method for local upsetting forming of large shaft forgings according to the present application.

[0044] In the figure: 1, base; 2, forging machine; 3, controller; 4, forging table; 5, steel brush; 501, mounting groove; 502, first screw; 503, drive motor; 504, sliding block; 505, placement groove; 506, cavity; 507, electric telescopic rod; 508, baffle; 509, contact limit switch; 6, support seat; 601, groove; 602, second screw; 603, adjusting motor; 604, moving seat; 605, sliding rail; 606, moving block; 607, mounting shell; 608, rotating motor; 609, support block; 610, hydraulic cylinder; 611, connecting shell; 612, inductive limit switch; 7, rotating motor; 71, conical gear; 72, turntable; 8, clamping jaw. Embodiment

[0045] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all.

[0046] Reference Figures 1-10 A forging device and method for local upsetting forming of large shaft forgings, comprising a base 1, a forging machine 2, a controller 3 and a forging table 4, the forging machine 2 is fixedly installed on the top of the base 1, the controller 3 is fixedly installed on one side of the support of the forging machine 2, the forging table 4 is located directly below the forging machine 2, the inner surface of the base 1 is provided with a cleaning mechanism, the outer surface of one side of the base 1 is provided with a moving and rotating mechanism, and the upper surface of the moving mechanism is provided with a clamping and rotating mechanism.

[0047] The cleaning mechanism is used to clean the debris generated during the forging process on the forging table 4, so as to prevent affecting the forging efficiency.

[0048] The cleaning mechanism comprises a steel brush 5, the inner surface of the base 1 is provided with a mounting groove 501, the inner wall of the mounting groove 501 is provided with a first screw rod 502 through a bearing, one side surface of the base 1 is fixedly provided with a driving motor 503, one end of the output shaft of the driving motor 503 is fixedly sleeved with one end of the first screw rod 502 through a rotating shaft, the outer surface of the first screw rod 502 is threadedly connected with a sliding block 504, the surface of the sliding block 504 is slidingly connected with the inner wall of the mounting groove 501, one end of the steel brush 5 is fixedly connected with the sliding block 504 extending to one side outside the mounting groove 501, in order to drive the steel brush 5 to move left and right, thereby facilitating the cleaning of the debris on the forging table 4, the rotation of the output shaft of the driving motor 503 drives the first screw rod 502 to rotate, the rotation of the first screw rod 502 drives the sliding block 504 to move on the first screw rod 502 along the inner wall of the mounting groove 501, and the movement of the sliding block 504 drives the steel brush 5 to move.

[0049] The inner surface of the base 1 is provided with a placing groove 505 on both sides, the surface of the steel brush 5 is slidingly connected with the inner wall of the placing groove 505, and the placing groove 505 accommodates the steel brush 5, so that the steel brush 5 does not affect the use of the forging machine 2.

[0050] The inner bottom wall of each of the two placing grooves 505 is provided with a cavity 506, the inner bottom wall of the cavity 506 is fixedly provided with an electric telescopic rod 507 on both sides, one end of each of the two electric telescopic rods 507 is fixedly connected with a baffle 508, the inner wall of each of the two placing grooves 505 is fixedly provided with a contact limit switch 509, the contact limit switch 509 is electrically connected with the electric telescopic rod 507, when the steel brush 5 moves to contact the contact limit switch 509, the contact limit switch 509 controls the electric telescopic rod 507 in the cavity 506 to start, one end of the electric telescopic rod 507 connected with the baffle 508 drives the baffle 508 to move upwards, so that the baffle 508 closes the placing groove 505, and the sparks and debris generated in the forging process are prevented from entering the placing groove 505.

[0051] By arranging the cleaning mechanism, the residual debris on the forging table 4 can be automatically cleaned, and the time consumed by manual operation is reduced, the rotation of the output shaft of the driving motor 503 drives the first screw rod 502 to rotate, the rotation of the first screw rod 502 drives the sliding block 504 to move on the first screw rod 502 along the inner wall of the mounting groove 501, the movement of the sliding block 504 drives the steel brush 5 to move, the movement of the steel brush 5 cleans the debris on the forging table 4, the steel brush 5 is accommodated in the placing groove 505, so that the steel brush 5 does not affect the normal use of the forging machine 2, the baffle 508 is arranged and driven by the electric telescopic rod 507 to move up and down, and the debris generated in the forging process is prevented from entering the placing groove 505, so that the forging table 4 is cleaned.

[0052] The moving and rotating mechanism is used for transporting the steel ingot to the forging table 4, and avoiding affecting the use of the forging machine 2.

[0053] The mobile rotating mechanism comprises a supporting base 6 arranged on one side of the outer surface of the base 1, the upper surface of the supporting base 6 is provided with a groove 601, the inner wall of the groove 601 is provided with a second screw rod 602 through a bearing, one side of the supporting base 6 is fixedly provided with an adjusting motor 603, one end of the output shaft of the adjusting motor 603 is fixedly sleeved with one end of the second screw rod 602, the outer surface of the second screw rod 602 is threadedly connected with a mobile base 604, the surface of the mobile base 604 is slidably connected with the inner wall of the groove 601, the top of the mobile base 604 is provided with the clamping jaw 8, the rotation of the output shaft of the adjusting motor 603 drives the rotation of the second screw rod 602, the rotation of the second screw rod 602 drives the mobile base 604 to move on the second screw rod 602 along the inner wall of the groove 601, and the movement of the mobile base 604 drives the movement of the clamping jaw 8.

[0054] The upper surface of the mobile base 604 is fixedly provided with a sliding rail 605 on both sides, the surfaces of the two sliding rails 605 are slidably connected with a mobile block 606, the upper surfaces of the two mobile blocks 606 are fixedly connected with the lower surface of the mobile base 604, in order to position the mobile base 604, the mobile block 606 is driven to move along the surface of the sliding rail 605 through the movement of the mobile base 604.

[0055] The upper surface of the mobile base 604 is fixedly provided with a mounting shell 607, the inside of the mounting shell 607 is fixedly provided with a rotating motor 608, one end of the output shaft of the rotating motor 608 extends to the outer surface of the mounting shell 607 and is fixedly provided with a supporting block 609, the upper surface of the supporting block 609 is fixedly provided with a hydraulic cylinder 610, one end of the piston rod of the hydraulic cylinder 610 is fixedly connected with a connecting shell 611, the clamping jaw 8 is arranged on one side of the connecting shell 611, the rotation of the output shaft of the rotating motor 608 drives the rotation of the supporting block 609, the rotation of the supporting block 609 drives the rotation of the hydraulic cylinder 610, the rotation of the hydraulic cylinder 610 drives the rotation of the clamping jaw 8 through the connecting shell 611, and the extension and retraction of the piston rod of the hydraulic cylinder 610 drives the forward and backward movement of the clamping jaw 8 through the connecting shell 611.

[0056] The surface of the forging table 4 is fixedly provided with an inductive limit switch 612, the inductive limit switch 612 is electrically connected with the adjusting motor 603, when the mobile base 604 is sensed by the inductive limit switch 612, the inductive limit switch 612 controls the adjusting motor 603 to stop running.

[0057] By setting the mobile rotating mechanism, the ingot can be transported to the forging table 4 as needed, and the position and direction of the ingot can be adjusted in time during the forging process. The rotation of the motor 603 output shaft drives the second screw 602 to rotate, the rotation of the second screw 602 drives the moving seat 604 to move along the inner wall of the groove 601 on the second screw 602, the movement of the moving seat 604 drives the clamping jaw 8 to move, and the movement of the moving seat 604 drives the moving block 606 to move along the surface of the sliding rail 605. When the inductive limit switch 612 senses the moving seat 604, the inductive limit switch 612 controls the adjusting motor 603 to stop running. The rotation of the output shaft of the rotating motor 608 drives the support block 609 to rotate, the rotation of the support block 609 drives the hydraulic cylinder 610 to rotate, the rotation of the hydraulic cylinder 610 drives the clamping jaw 8 to rotate through the connecting housing 611, and the extension and retraction of the piston rod of the hydraulic cylinder 610 drives the clamping jaw 8 to move forward and backward through the connecting housing 611, thereby achieving the effect of rapid forging.

[0058] The clamping rotating mechanism is used for rotating the ingot clamped on the forging table 4 by a certain angle.

[0059] The clamping rotating mechanism comprises a rotating motor 7 fixedly installed on the upper surface of the connecting housing 611. One end of the output of the rotating motor 7 extends into the connecting housing 611 and is sleeved with a bevel gear 71 through a rotating shaft. One end of the clamping jaw 8 is fixedly connected with a rotating disc 72. The axis of the rotating disc 72 extends into the connecting housing 611 through a connecting shaft and is fixedly sleeved with the axis of the other bevel gear 71. The two bevel gears 71 are meshed with each other. The rotation of the output shaft of the rotating motor 7 drives the bevel gear 71 to rotate through the rotating shaft. The rotation of the bevel gear 71 drives the rotating disc 72 to rotate through the meshing with the other bevel gear 71. The rotation of the rotating disc 72 drives the clamping jaw 8 to rotate.

[0060] Working principle: in use, the extension of the piston rod of the hydraulic cylinder 610 drives the clamping jaw 8 to clamp the ingot to be forged through the connecting housing 611. After clamping, the piston rod of the hydraulic cylinder 610 is retracted to reset the clamping jaw 8. The rotating motor 608 is started. The rotation of the output shaft of the rotating motor 608 drives the support block 609 to rotate. The rotation of the support block 609 drives the hydraulic cylinder 610 to rotate. The rotation of the hydraulic cylinder 610 drives the clamping jaw 8 to rotate through the connecting housing 611 until the clamping jaw 8 faces the forging table 4.

[0061] The adjusting motor 603 is started, the rotation of the output shaft of the adjusting motor 603 drives the second screw rod 602 to rotate, the rotation of the second screw rod 602 drives the moving seat 604 to move along the inner wall of the groove 601 on the second screw rod 602, the movement of the moving seat 604 drives the moving block 606 to move along the surface of the slide rail 605, and meanwhile, the movement of the moving seat 604 drives the clamping jaw 8 to move, until the moving seat 604 is sensed by the inductive limit switch 612, the inductive limit switch 612 controls the adjusting motor 603 to stop running, so that the clamping jaw 8 is perpendicular to the shaft center of the forging table 4;

[0062] Then the piston rod of the hydraulic cylinder 610 extends to drive the clamping jaw 8 to place the ingot on the forging table 4, and then the piston rod of the hydraulic cylinder 610 retracts to drive the clamping jaw 8 to reset;

[0063] The forging machine 2 forges the ingot on the forging table 4, and the clamping jaw 8 is driven by the hydraulic cylinder 610 to clamp the ingot on the forging table 4, the rotary motor 7 is started, the rotation of the output shaft of the rotary motor 7 drives the conical gear 71 to rotate through the rotating shaft, the rotation of the conical gear 71 drives the rotating disc 72 to rotate through meshing with another conical gear 71, the rotation of the rotating disc 72 drives the clamping jaw 8 to rotate, so as to drive the ingot to overturn a certain angle through the clamping jaw 8, thereby facilitating the forging of different surfaces of the ingot;

[0064] After the forging is completed, one end of the electric telescopic rod 507 retracts to drive the baffle 508 in the placing groove 505 to move downward along the cavity 506, the driving motor 503 is started, the rotation of the output shaft of the driving motor 503 drives the first screw rod 502 to rotate, the rotation of the first screw rod 502 drives the sliding block 504 to move along the inner wall of the mounting groove 501 on the first screw rod 502, the movement of the sliding block 504 drives the steel brush 5 to move, and the steel brush 5 cleans the debris on the forging table 4.

[0065] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A forging device for local upsetting forming of large shaft forgings, comprising a base (1), a forging machine (2), a controller (3) and a forging table (4), characterized in that: The forging machine (2) is fixedly installed on the top of the base (1), the controller (3) is fixedly installed on one side of the support of the forging machine (2), the forging table (4) is located directly below the forging machine (2), the inner surface of the base (1) is provided with a cleaning mechanism, and the outer surface of one side of the base (1) is provided with a moving and rotating mechanism, and the upper surface of the moving and rotating mechanism is provided with a clamping and rotating mechanism. The cleaning mechanism is used for cleaning the debris generated during the forging process on the forging table (4), so as to prevent the forging efficiency from being affected. The cleaning mechanism comprises a steel brush (5), the inner surface of the base (1) is provided with a mounting groove (501), the inner wall of the mounting groove (501) is provided with a first screw rod (502) through a bearing, one side surface of the base (1) is fixedly provided with a driving motor (503), one end of the output shaft of the driving motor (503) is fixedly sleeved with one end of the first screw rod (502) through a rotating shaft, the outer surface of the first screw rod (502) is threadedly connected with a sliding block (504), and the surface of the sliding block (504) is slidably connected with the inner wall of the mounting groove (501). One end of the steel brush (5) is fixedly connected with the side, which extends out of the mounting groove (501), of the sliding block (504). The inner surfaces of the base (1) are respectively provided with placing grooves (505) on both sides, and the surface of the steel brush (5) is slidably connected with the inner walls of the placing grooves (505). The inner bottom walls of the two placing grooves (505) are respectively provided with cavities (506), the inner bottom walls of the cavities (506) are respectively fixedly provided with electric telescopic rods (507), one end of each of the two electric telescopic rods (507) is fixedly connected with a baffle (508), the inner walls of the two placing grooves (505) are fixedly provided with contact type limit switches (509), and the contact type limit switches (509) are electrically connected with the electric telescopic rods (507). The moving and rotating mechanism is used for transporting the steel ingot to the forging table (4) and avoiding affecting the use of the forging machine (2). The moving and rotating mechanism comprises a supporting seat (6) provided on the outer surface of one side of the base (1), the upper surface of the supporting seat (6) is provided with a groove (601), the inner wall of the groove (601) is provided with a second screw rod (602) through a bearing, one side of the supporting seat (6) is fixedly provided with an adjusting motor (603), one end of the output shaft of the adjusting motor (603) is fixedly sleeved with one end of the second screw rod (602), the outer surface of the second screw rod (602) is threadedly connected with a moving seat (604), the surface of the moving seat (604) is slidably connected with the inner wall of the groove (601), the upper surfaces of both sides of the moving seat (604) are respectively fixedly provided with sliding rails (605), the surfaces of the two sliding rails (605) are respectively slidably connected with moving blocks (606), and the upper surfaces of the two moving blocks (606) are fixedly connected with the lower surface of the moving seat (604). The top of the moving seat (604) is provided with a clamping jaw (8); The upper surface of the moving seat (604) is fixedly installed with a mounting shell (607), the inside of the mounting shell (607) is fixedly installed with a rotating motor (608), one end of the output shaft of the rotating motor (608) extends to the outer surface of the mounting shell (607) and is fixedly installed with a supporting block (609), the upper surface of the supporting block (609) is fixedly installed with a hydraulic cylinder (610), one end of the piston rod of the hydraulic cylinder (610) is fixedly connected with a connecting shell (611), and the clamping jaw (8) is arranged on one side of the connecting shell (611); The surface of the forging table (4) is fixedly installed with an inductive limit switch (612), and the inductive limit switch (612) is electrically connected with the adjusting motor (603); The clamping and rotating mechanism is used for rotating the steel ingot on the forging table (4) by a certain angle after clamping the steel ingot. The clamping and rotating mechanism comprises a rotating motor (7) fixedly installed on the upper surface of the connecting shell (611), one end of the output of the rotating motor (7) extends into the connecting shell (611) and is fixedly sleeved with a bevel gear (71) through a rotating shaft, one end of the clamping jaw (8) is fixedly connected with a rotating disc (72), the axis of the rotating disc (72) extends into the connecting shell (611) through a connecting shaft and is fixedly sleeved with the axis of the other bevel gear (71), and the two bevel gears (71) are meshed with each other.

2. A forging method of the forging device for local upsetting forming of a large shaft forging according to claim 1, wherein the forging method is: S1, in use, the extension of the piston rod of the hydraulic cylinder (610) drives the clamping jaw (8) to clamp the steel ingot to be forged through the connecting shell (611), after clamping, the piston rod of the hydraulic cylinder (610) is retracted to drive the clamping jaw (8) to reset, the rotating motor (608) is started, the rotation of the output shaft of the rotating motor (608) drives the supporting block (609) to rotate, the rotation of the supporting block (609) drives the hydraulic cylinder (610) to rotate, the rotation of the hydraulic cylinder (610) drives the clamping jaw (8) to rotate through the connecting shell (611), until the clamping jaw (8) faces the forging table (4); S2, the adjusting motor (603) is started, the rotation of the output shaft of the adjusting motor (603) drives the second screw rod (602) to rotate, the rotation of the second screw rod (602) drives the moving seat (604) to move on the second screw rod (602) along the inner wall of the groove (601), the movement of the moving seat (604) drives the moving block (606) to move along the surface of the sliding rail (605), and at the same time, the movement of the moving seat (604) drives the clamping jaw (8) to move, until the moving seat (604) moves to be sensed by the inductive limit switch (612), the inductive limit switch (612) controls the adjusting motor (603) to stop running, so that the clamping jaw (8) and the axis of the forging table (4) are in a vertical state; S3, then the piston rod of the hydraulic cylinder (610) is extended to drive the clamping jaw (8) to place the ingot on the forging table (4), and then the piston rod of the hydraulic cylinder (610) is retracted to drive the clamping jaw (8) to reset; S4, the forging machine (2) is used for forging the ingot on the forging table (4), and the clamping jaw (8) is driven to clamp the ingot on the forging table (4) under the cooperation of the hydraulic cylinder (610), the rotary motor (7) is started, the rotation of the output shaft of the rotary motor (7) drives the conical gear (71) to rotate through the rotating shaft, the rotation of the conical gear (71) drives the rotating disc (72) to rotate through the meshing with another conical gear (71), the rotation of the rotating disc (72) drives the clamping jaw (8) to rotate, so that the ingot is turned over by a certain angle through the clamping jaw (8), and different surfaces of the ingot are convenient for forging; S5, after the forging is completed, one end of the electric telescopic rod (507) is retracted to drive the baffle (508) in the placing groove (505) to move downward along the cavity (506), the driving motor (503) is started, the rotation of the output shaft of the driving motor (503) drives the first screw rod (502) to rotate, the rotation of the first screw rod (502) drives the sliding block (504) to move on the first screw rod (502) along the inner wall of the mounting groove (501), the movement of the sliding block (504) drives the steel brush (5) to move, and the steel brush (5) is used for cleaning the debris on the forging table (4).

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