A forging equipment and forging method for input shaft gears for new energy vehicles

Abstract

This invention discloses a forging equipment and method for input shaft gears used in new energy vehicles. This invention relates to the field of intelligent forging equipment technology. The forging equipment includes a base frame, a control box, a steering conveyor belt, a cutting machine, an electro-hydraulic hammer mill, a final forging mechanism, an electrically controlled sliding table, and a multi-axis robotic arm. The final forging mechanism includes a gantry frame and a base plate. The control box, steering conveyor belt, cutting machine, electro-hydraulic hammer mill, gantry frame, base plate, and electrically controlled sliding table are all fixedly connected to the base frame. The multi-axis robotic arm is fixedly connected to the electrically controlled sliding table. The steering conveyor belt, cutting machine, electro-hydraulic hammer mill, final forging mechanism, electrically controlled sliding table, and multi-axis robotic arm are all connected to the control box via electrical signals. This invention automates the cutting, heating, rough forging, and finish forging of gear parts. It employs multiple fine-tuning and zoned forging pressure on the upper surface of the rough blank, eliminating the flash phenomenon of stamping and hammer forging, increasing the deformation speed and pressure of the rough blank, ensuring that the metal fills the die cavity, and significantly improving the efficiency and quality of forging.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of intelligent forging equipment, and particularly relates to a new energy automobile input shaft gear forging equipment and a forging method. BACKGROUND

[0002] The forging of an automobile input shaft gear is a key link in the manufacturing process thereof and is directly related to the strength, service life and reliability of the gear. The input shaft gear needs to bear the torque transmitted by an engine, frequent gear shifting impact and complex alternating load, and therefore has extremely high requirements for material performance and structural integrity. In the existing automobile input shaft gear forging, various devices are involved, and according to process links, blanking, pre-forging, finish-forging, edge cutting and finishing are combined to form an automatic flow production line.

[0003] In the existing automobile input shaft gear forging process, the core value lies in significantly improving the internal quality and mechanical properties of the gear material through plastic deformation and accurate control, especially optimizing the metal flow line distribution, so as to endow the gear with excellent load bearing capacity, fatigue resistance and long service life, so as to meet the stringent requirements of modern automobile transmission systems on power performance, reliability and durability. The existing gear forging has problems such as that the forged metal cannot completely fill the die cavity, resulting in incomplete forging of the gear, slow filling of the cavity, layered cooling of the metal, insufficient strength of the gear tooth root, and the need to polish and remove the flash of the blank produced by stamping and forging, thereby reducing production efficiency. SUMMARY

[0004] The present application aims to provide a new energy automobile input shaft gear forging equipment and a forging method to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solution: a new energy automobile input shaft gear forging equipment and a forging method, comprising a chassis, a control case, a reversing conveyor belt, a cutting machine, an electro-hydraulic hammer, a finish-forging mechanism, an electric control sliding table and a multi-axis mechanical arm. The finish-forging mechanism comprises a gantry and a bottom plate. The control case, the reversing conveyor belt, the cutting machine, the electro-hydraulic hammer, the gantry, the bottom plate and the electric control sliding table are fixedly connected with the chassis. The multi-axis mechanical arm is fixedly connected with the electric control sliding table. The reversing conveyor belt, the cutting machine, the electro-hydraulic hammer, the finish-forging mechanism, the electric control sliding table and the multi-axis mechanical arm are connected with the control case through electric signals.

[0006] The application discloses a forging equipment for a new energy automobile input shaft gear, a steering conveying belt is used for conveying a rolling blank to a cutting machine, the cutting machine is used for accurately cutting the blank according to an electric control signal of a control box, a multi-axis mechanical arm is used for carrying the rough blank to an external heating furnace for heating, the multi-axis mechanical arm is used for carrying the rough blank after being heated to an electro-hydraulic hammer machine to complete preliminary forging, an electric control sliding table is used for driving the multi-axis mechanical arm to displace the rough blank after being forged to a final forging mechanism, the final forging mechanism is used for fine forging the rough blank into a gear type, during the fine forging, the final forging mechanism is used for adopting zoning and multiple fine forging pressure on the upper surface of the rough blank, and the final forging mechanism is used for simultaneously punching the rough blank on the side surface, so that the deformation speed and pressure of the rough blank are improved, the metal is ensured to fill the die cavity, the flash generated by the forging pressure is eliminated, and the forging quality is greatly improved.

[0007] Further, the final forging mechanism further comprises a driving screw rod, a sliding table, a driving motor and a punching mechanism, the sliding table is provided with threaded holes and through holes, the driving screw rod and the threaded holes are both provided with two groups, the driving screw rod is rotationally connected with the portal frame, and the driving screw rod is connected with the threaded holes in a threaded mode, the punching mechanism comprises a rotating shaft, a rotary motor and a pressure distribution mechanism, the pressure distribution mechanism comprises a first motor, the rotating shaft is rotationally connected with the through hole, the rotary motor is fixedly connected with the sliding table, and the driving screw rod, the driving motor, the rotary motor and the first motor are connected with the control box through electric signals.

[0008] The electric control sliding table drives the multi-axis mechanical arm to displace the rough blank after being forged to the bottom plate, the driving screw rod outputs a fixed shaft torque, the sliding table is displaced downward along the driving screw rod through the threaded connection between the driving screw rod and the threaded hole, the pressure distribution mechanism is driven to punch and forge the rough blank located on the gear die, and the rotary motor drives the pressure distribution mechanism to rotate and adopt zoning and multiple fine forging pressure on the upper surface of the rough blank.

[0009] Further, the final forging mechanism further comprises a one-way belt pulley, a side punching mechanism and a gear die, the side punching mechanism comprises a ring shell, a belt ring and a bottom table, the driving motor, the ring shell, the bottom table and the gear die are fixedly connected with the bottom plate, the output end of the driving motor is rotationally connected with the one-way belt pulley, the one-way belt pulley is connected with the belt ring in a belt transmission mode, and the belt ring is rotationally connected with the ring shell.

[0010] Before the pressure distribution mechanism punches and forges the rough blank located on the gear die, the driving motor outputs a fixed shaft torque to the one-way belt pulley, the output torque direction is opposite to the allowed rotation direction of the one-way belt pulley, the torque is transmitted to the belt ring through the belt, the belt ring rotates to accumulate energy for the side punching mechanism, the rough blank is punched and forged while the side punching mechanism reversely punches the gear die, the side surface of the rough blank is punched, the deformation speed and pressure of the rough blank are improved, and the metal is ensured to fill the die cavity.

[0011] Further, the side punching mechanism further comprises convex tooth root pieces and concave die pieces, and the base table is provided with sliding grooves and limiting buckles, and the convex tooth root pieces, the concave die pieces, the sliding grooves and the limiting buckles are provided with a plurality of groups, the plurality of groups of the convex tooth root pieces, the concave die pieces, the sliding grooves and the limiting buckles are uniformly distributed along the circumference of the ring shell, the convex tooth root pieces are arranged adjacent to the concave die pieces, and the convex tooth root pieces and the concave die pieces are in sliding connection with the sliding grooves.

[0012] The plurality of groups of the convex tooth root pieces and the concave die pieces uniformly distributed along the circumference of the ring shell store energy before hammer forging, the convex tooth root pieces and the concave die pieces slide away from the center of the tooth die along the sliding grooves, the convex tooth root pieces and the concave die pieces are reversely displaced towards the center when rough castings on the tooth die are punched and hammered, the convex tooth root pieces impact the tooth root positions of the tooth die, the concave die pieces impact the tooth peak positions of the tooth die, the deformation speed and pressure of the rough castings are improved, and it is ensured that the metal fills the die cavity.

[0013] Further, the side punching mechanism further comprises limiting elastic sheets, racks, shaft bodies and compression springs, and the limiting elastic sheets, the racks, the shaft bodies and the compression springs are provided with a plurality of groups, the plurality of groups of the limiting elastic sheets, the racks, the shaft bodies and the compression springs are uniformly distributed along the circumference of the ring shell, the limiting elastic sheets, the racks and the compression springs are fixedly connected with the convex tooth root pieces, the limiting elastic sheets are in contact with the limiting buckles, the compression springs are fixedly connected with the ring shell, the shaft bodies are provided with half-width gears and upper gears, the belt ring is provided with an inner tooth ring, the upper gears are in mesh with the tooth surfaces of the inner tooth ring, and the half-width gears are in mesh with the tooth surfaces of the racks.

[0014] The driving motor transmits torque to the belt ring through the belt to drive the belt ring to rotate, the belt ring rotates to mesh with the tooth surfaces of the upper gears through the inner tooth ring, the torque of the belt ring is transmitted to the shaft body, the shaft body rotates around its axis, the torque of the shaft body is transmitted to the racks through the meshing of the tooth surfaces of the half-width gears and the racks, the convex tooth root pieces and the concave die pieces slide away from the center of the tooth die along the sliding grooves to extrude the compression springs, the limiting elastic sheets are in contact with the limiting buckles to complete energy storage, when punching and hammering, the limiting buckles break through the limiting elastic sheets, the compression springs restore deformation to push the convex tooth root pieces to impact the tooth root positions of the tooth die, the concave die pieces impact the tooth peak positions of the tooth die, the deformation speed and pressure of the rough castings are improved, and it is ensured that the metal fills the die cavity.

[0015] Further, the punching and forging mechanism further comprises a first gear rod, a ball head rod, a base plate and a servo cylinder, the output end of the rotary motor is fixedly connected with the first gear rod, the rotating shaft is provided with a side tooth groove and a half-sphere cavity, the first gear rod is in mesh with the tooth surface of the side tooth groove, the ball head rod is in contact with the half-sphere cavity, the base plate is fixedly connected with the rotating shaft, the pressure distribution mechanism further comprises an outer cylinder and a bottom cylinder, the outer cylinder is fixedly connected with the ball head rod and the bottom cylinder, the servo cylinder is hingedly connected with the base plate, and the output end of the servo cylinder is hingedly connected with the bottom cylinder.

[0016] The rotary motor outputs a fixed shaft torque to the first gear rod, and the rotary motor torque is transmitted to the rotating shaft through the meshing of the tooth surfaces between the first gear rod and the side tooth groove. The rotating shaft rotates around its axis in the through hole. The output end of the servo air cylinder is displaced according to the electric control signal of the control box, and the output end of the servo air cylinder is hingedly assembled with the bottom cylinder. The ball head rod deflects in the hemispherical cavity, and the inclination angle of the upper surface of the rough blank punched by the pressure distribution mechanism is adjusted.

[0017] Further, the pressure distribution mechanism further comprises a cone disc, a connecting rod, a sliding disc, a second gear rod and a tooth frame. The connecting rod is fixedly connected with the cone disc and the sliding disc. The cone disc is in contact with the bottom cylinder. The sliding disc is slidingly connected with the outer cylinder. The tooth frame is fixedly connected with the sliding disc. The first motor is fixedly connected with the outer cylinder. The output end of the first motor is fixedly connected with the second gear rod. The second gear rod is in meshing with the tooth frame.

[0018] When the rough blank upper surface is punched, the first motor outputs a fixed shaft torque to the second gear rod, and the torque is transmitted through the meshing of the tooth surfaces between the second gear rod and the tooth frame. The sliding disc drives the cone disc to displace towards the ball head rod. When punching, the outer cylinder first contacts the rough blank. The first motor outputs a reverse torque to make the cone disc displace away from the ball head rod. The cone disc contacts the rough blank again. The outer periphery first punches the rough blank to make the rough blank edge gather inward. The rough blank gathered to the center is flattened, which can effectively eliminate the flash phenomenon of the punching hammer and improve the forging quality.

[0019] Further, the forging method comprises the following steps:

[0020] 1) The rough blank is transported to the cutting machine by the turning conveyor belt: the rough blank is transported to the cutting machine by the turning conveyor belt. According to the electric control signal of the control box, the cutting machine accurately cuts the rough blank according to the required volume.

[0021] 2) The rough blank is carried to the heating furnace by the multi-axis mechanical arm: the rough blank is carried to the external heating furnace by the multi-axis mechanical arm.

[0022] 3) The heated rough blank is placed in the electro-hydraulic hammer machine for preliminary forging by the multi-axis mechanical arm: the multi-axis mechanical arm carries the heated rough blank to the electro-hydraulic hammer machine to complete the preliminary forging.

[0023] 4) The rough blank after preliminary forging is carried to the final forging mechanism by the multi-axis mechanical arm to complete the final precision forging: the multi-axis mechanical arm is displaced by the electric control sliding table to carry the rough blank after preliminary forging to the final forging mechanism, and the rough blank is precision forged into a tooth type by the final forging mechanism.

[0024] Compared with the prior art, the present application has the beneficial effects that: the side punching mechanism is designed, the driving motor drives the belt ring to rotate, the belt ring rotates through the meshing of the inner tooth ring and the gear ring, the transmission belt ring torque is transmitted to the shaft body, the shaft body rotates around its axis, the shaft body torque is transmitted to the rack through the meshing of the half-width gear and the rack, the convex tooth root piece and the concave die piece slide along the sliding groove away from the tooth die center, the compression spring is extruded, the limiting spring piece and the limiting buckle contact to complete energy storage, when the punch hammer is forged, the limiting buckle breaks through the limiting spring piece, the compression spring restores the deformation to push the convex tooth root piece to impact the tooth root position of the tooth die, the concave die piece impacts the tooth peak position of the tooth die, the deformation speed and pressure of the rough blank are improved, and the metal is ensured to fill the die cavity; the punch forging mechanism is designed, the servo cylinder output end is hinged and assembled between the bottom cylinder according to the control box electric control signal displacement, the ball head rod deflects in the hemispherical cavity, the inclination angle of the rough blank upper surface is adjusted by the servo cylinder output end, and the rough blank upper surface is punched by cooperating with the pressure distribution mechanism, the first motor output fixed shaft torque is transmitted to the second gear rod to drive the cone disc to displace towards the ball head rod, when punching, the outer cylinder first contacts the rough blank, the first motor output reverse torque makes the cone disc displace away from the ball head rod, the cone disc rear contacts the rough blank, the outer periphery first punches the rough blank, the rough blank edge is gathered inward, the rough blank gathered towards the center is flattened, the flash phenomenon of the punch hammer forging is effectively eliminated, and the forging quality is improved; the automatic assembly line of the present application completes the cutting, heating, rough forging and fine forging of the gear piece, the rough blank upper surface is adjusted by partitioning and forging multiple times, the flash phenomenon of the punch hammer forging is effectively eliminated, the deformation speed and pressure of the rough blank are improved, the metal is ensured to fill the die cavity, and the efficiency and quality of the forging are greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0026] Figure 2 It is a schematic diagram of the final forging mechanism structure of the present application;

[0027] Figure 3 It is a partial sectional view of the final forging mechanism of the present application;

[0028] Figure 4 It is an isometric schematic diagram of the final forging mechanism of the present application;

[0029] Figure 5 It is a partial A enlarged schematic diagram of Figure 3 ;

[0030] Figure 6 It is a partial B enlarged schematic diagram of Figure 4 ;

[0031] Figure 7 It is a schematic diagram of the punch forging mechanism structure of the present application;

[0032] Figure 8 is Figure 7 a local C amplification schematic diagram.

[0033] In the figure: 1, chassis; 2, control cabinet; 3, steering conveyor belt; 4, cutting machine; 5, electro-hydraulic hammer machine; 6, final forging mechanism; 61, gantry; 62, drive screw; 63, sliding table; 631, threaded hole; 632, through hole; 64, bottom plate; 65, drive motor; 66, one-way belt pulley; 67, side punching mechanism; 671, ring shell; 672, belt ring; 6721, inner tooth ring; 673, bottom table; 6731, sliding groove; 6732, limit buckle; 674, convex tooth root piece; 675, concave die piece; 676, limit spring piece; 677, rack; 678, shaft body; 6781, half-width gear; 6782, upper gear; 679, compression spring; 68, tooth die; 69, punch forging mechanism; 691, rotating shaft; 6911, side tooth groove; 6912, hemispherical cavity; 692, rotary motor; 693, first gear rod; 694, ball head rod; 695, bottom disc; 696, servo air cylinder; 697, pressure distribution mechanism; 6971, outer cylinder; 6972, bottom cylinder; 6973, conical disc; 6974, connecting rod; 6975, sliding disc; 6976, second gear rod; 6977, tooth frame; 6978, first motor; 7, electric control sliding table; 8, multi-axis mechanical arm. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0035] As Figure 1 , Figure 2 shown, the present application provides a new energy vehicle input shaft gear forging equipment and forging method technical scheme including chassis 1, control cabinet 2, steering conveyor belt 3, cutting machine 4, electro-hydraulic hammer machine 5, final forging mechanism 6, electric control sliding table 7 and multi-axis mechanical arm 8, final forging mechanism 6 includes gantry 61 and bottom plate 64, control cabinet 2, steering conveyor belt 3, cutting machine 4, electro-hydraulic hammer machine 5, gantry 61, bottom plate 64, electric control sliding table 7 are all fixedly connected with chassis 1, multi-axis mechanical arm 8 is fixedly connected with electric control sliding table 7, steering conveyor belt 3, cutting machine 4, electro-hydraulic hammer machine 5, final forging mechanism 6, electric control sliding table 7, multi-axis mechanical arm 8 are all connected with control cabinet 2 through electric signal.

[0036] The application discloses a forging equipment for a new energy automobile input shaft gear, a conveying belt 3 is used for conveying a rolling blank to a cutting machine 4, the cutting machine 4 is used for accurately cutting the blank according to an electric control signal of a control box 2, a multi-axis mechanical arm 8 is used for carrying the rough blank to an external heating furnace for heating, the multi-axis mechanical arm 8 is used for carrying the rough blank after being heated to an electro-hydraulic hammer 5 to complete preliminary forging, an electric control sliding table 7 is used for driving the multi-axis mechanical arm 8 to displace and carry the rough blank after being forged to a final forging mechanism 6, and the final forging mechanism 6 is used for precisely forging the rough blank into a gear type, during the precise forging, the final forging mechanism 6 is used for adopting multiple times of fine forging pressure on the upper surface of the rough blank in a partition mode, and is used for simultaneously punching the rough blank on the side surface, so that the deformation speed and the pressure of the rough blank are improved, the metal is ensured to fill the die cavity, the flash generated in the forging pressure is eliminated, and the forging quality is greatly improved.

[0037] As shown in Figure 2 , Figure 3 , the final forging mechanism 6 further comprises a driving screw rod 62, a sliding table 63, a driving motor 65 and a punching mechanism 69, the sliding table 63 is provided with threaded holes 631 and through holes 632, the driving screw rod 62 and the threaded holes 631 are both provided with two groups, the driving screw rod 62 is rotationally connected with the gantry 61, the driving screw rod 62 is connected with the threaded holes 631 in a threaded mode, the punching mechanism 69 comprises a rotating shaft 691, a rotary motor 692 and a pressure distribution mechanism 697, the pressure distribution mechanism 697 comprises a first motor 6978, the rotating shaft 691 is rotationally connected with the through holes 632, the rotary motor 692 is fixedly connected with the sliding table 63, and the driving screw rod 62, the driving motor 65, the rotary motor 692 and the first motor 6978 are all connected with the control box 2 through electric signals.

[0038] The electric control sliding table 7 drives the multi-axis mechanical arm 8 to displace and carry the rough blank after being forged to the bottom plate 64, the driving screw rod 62 outputs a fixed shaft torque, the sliding table 63 is displaced downward along the driving screw rod 62 through the threaded connection between the driving screw rod 62 and the threaded holes 631, the pressure distribution mechanism 697 is driven to punch and forge the rough blank located on the gear die 68, and the rotary motor 692 drives the pressure distribution mechanism 697 to rotate and adopt multiple times of fine forging pressure on the upper surface of the rough blank in a partition mode.

[0039] As shown in Figure 3 , Figure 4 , the final forging mechanism 6 further comprises a one-way belt pulley 66, a side punching mechanism 67 and a gear die 68, the side punching mechanism 67 comprises a ring shell 671, a belt ring 672 and a bottom table 673, the driving motor 65, the ring shell 671, the bottom table 673 and the gear die 68 are all fixedly connected with the bottom plate 64, the output end of the driving motor 65 is rotationally connected with the one-way belt pulley 66 in a one-way mode, the one-way belt pulley 66 is connected with the belt ring 672 in a belt transmission mode, and the belt ring 672 is rotationally connected with the ring shell 671.

[0040] The dividing mechanism 697 drives the motor 65 to output a fixed shaft torque to the one-way pulley 66 before the rough blank on the tooth die 68 is stamped and forged, the output torque direction is opposite to the direction allowed by the one-way pulley 66 to rotate, the torque is transmitted to the belt ring 672 through the belt, the belt ring 672 rotates the side punching mechanism 67 to store energy, and the rough blank is stamped and forged while the side punching mechanism 67 counterpunches the tooth die 68 to stamp the side of the rough blank, thereby improving the deformation speed and pressure of the rough blank and ensuring that the metal fills the die cavity.

[0041] As shown in Figure 5 , Figure 6 , the side punching mechanism 67 further includes a convex tooth root piece 674 and a concave die piece 675, the base table 673 is provided with a sliding groove 6731 and a limiting buckle 6732, the convex tooth root piece 674, the concave die piece 675, the sliding groove 6731 and the limiting buckle 6732 are provided with a plurality of groups, the plurality of groups of the convex tooth root piece 674, the concave die piece 675, the sliding groove 6731 and the limiting buckle 6732 are uniformly distributed along the circumference of the ring shell 671, the convex tooth root piece 674 is arranged adjacent to the concave die piece 675, and the convex tooth root piece 674 and the concave die piece 675 are both in sliding connection with the sliding groove 6731.

[0042] The plurality of groups of the convex tooth root piece 674 and the concave die piece 675 uniformly distributed along the circumference of the ring shell 671 store energy before forging, the convex tooth root piece 674 and the concave die piece 675 slide along the sliding groove 6731 in a direction away from the center of the tooth die 68, and when the rough blank on the tooth die 68 is stamped and forged, the convex tooth root piece 674 and the concave die piece 675 are reversely displaced towards the center, the convex tooth root piece 674 impacts the tooth root position of the tooth die 68, and the concave die piece 675 impacts the tooth peak position of the tooth die 68, thereby improving the deformation speed and pressure of the rough blank and ensuring that the metal fills the die cavity.

[0043] As shown in Figure 5 , Figure 6 , the side punching mechanism 67 further includes a limiting elastic sheet 676, a rack 677, a shaft body 678 and a compression spring 679, the limiting elastic sheet 676, the rack 677, the shaft body 678 and the compression spring 679 are provided with a plurality of groups, the plurality of groups of the limiting elastic sheet 676, the rack 677, the shaft body 678 and the compression spring 679 are uniformly distributed along the circumference of the ring shell 671, the limiting elastic sheet 676, the rack 677 and the compression spring 679 are fixedly connected with the convex tooth root piece 674, the limiting elastic sheet 676 is in contact with the limiting buckle 6732, the compression spring 679 is fixedly connected with the ring shell 671, the shaft body 678 is provided with a half-width gear 6781 and an upper gear 6782, the belt ring 672 is provided with an inner tooth ring 6721, the upper gear 6782 is in mesh with the tooth surface of the inner tooth ring 6721, and the half-width gear 6781 is in mesh with the tooth surface of the rack 677.

[0044] The driving motor 65 drives the belt ring 672 to rotate through torque transmission by a belt. The belt ring 672 rotates and transmits torque to the shaft body 678 through the meshing of the inner tooth ring 6721 and the upper gear 6782. The shaft body 678 rotates around its axis and transmits torque to the rack 677 through the meshing of the half-width gear 6781 and the rack 677. The convex tooth root piece 674 and the concave die piece 675 slide along the sliding groove 6731 away from the center of the die 68, compress the spring 679, and complete energy storage by contacting the limiting spring piece 676 and the limiting buckle 6732. When the punch hammer is forged, the limiting buckle 6732 breaks through the limiting spring piece 676, the compression spring 679 restores the deformation and pushes the convex tooth root piece 674 to impact the tooth root position of the die 68, and the concave die piece 675 impacts the tooth peak position of the die 68, thereby improving the deformation speed and pressure of the rough blank and ensuring that the metal fills the die cavity.

[0045] As shown in Figure 7 、 Figure 8 , the punch forging mechanism 69 further includes a first gear rod 693, a ball head rod 694, a chassis 695, and a servo cylinder 696. The output end of the rotary motor 692 is fixedly connected with the first gear rod 693. The rotating shaft 691 is provided with a side tooth groove 6911 and a hemispherical cavity 6912. The first gear rod 693 is in meshing engagement with the side tooth groove 6911. The ball head rod 694 is in contact with the hemispherical cavity 6912. The chassis 695 is fixedly connected with the rotating shaft 691. The pressure dividing mechanism 697 further includes an outer cylinder 6971 and a bottom cylinder 6972. The outer cylinder 6971 and the bottom cylinder 6972 are fixedly connected with the ball head rod 694. The servo cylinder 696 is hingedly connected with the chassis 695. The output end of the servo cylinder 696 is hingedly connected with the bottom cylinder 6972.

[0046] The rotary motor 692 outputs a constant torque to the first gear rod 693. The first gear rod 693 is in meshing engagement with the side tooth groove 6911 to transmit torque from the rotary motor 692 to the rotating shaft 691. The rotating shaft 691 rotates around its axis in the through hole 632. The output end of the servo cylinder 696 is displaced according to the electric control signal of the control box 2. The output end of the servo cylinder 696 is hingedly connected with the bottom cylinder 6972. The ball head rod 694 is deflected in the hemispherical cavity 6912 to adjust the inclination angle of the pressure dividing mechanism 697 to the upper surface of the rough blank.

[0047] As shown in Figure 7 、 Figure 8As shown, the pressure dividing mechanism 697 further comprises a cone disc 6973, a connecting rod 6974, a sliding disc 6975, a second gear rod 6976 and a toothed frame 6977, the connecting rod 6974 is fixedly connected with the cone disc 6973 and the sliding disc 6975, the cone disc 6973 is in contact with the bottom cylinder 6972, the sliding disc 6975 is in sliding connection with the outer cylinder 6971, the toothed frame 6977 is fixedly connected with the sliding disc 6975, the first motor 6978 is fixedly connected with the outer cylinder 6971, the output end of the first motor 6978 is fixedly connected with the second gear rod 6976, and the second gear rod 6976 is in tooth surface engagement with the toothed frame 6977.

[0048] When stamping the upper surface of the rough blank, the first motor 6978 outputs a constant shaft torque to the second gear rod 6976, and the torque is transmitted through the tooth surface engagement between the second gear rod 6976 and the toothed frame 6977, so that the sliding disc 6975 drives the cone disc 6973 to displace towards the ball head rod 694, when stamping, the outer cylinder 6971 first contacts the rough blank, the first motor 6978 outputs a reverse torque to make the cone disc 6973 displace away from the ball head rod 694, and the cone disc 6973 then contacts the rough blank, and the periphery first stamps the rough blank to make the edge of the rough blank gather inward, and the rough blank gathered to the center is flattened, which can effectively eliminate the flash phenomenon of stamping and forging, and improve the forging quality.

[0049] As shown in the figure, Figure 1 The forging method comprises the following steps:

[0050] 1) The turning conveyor belt 3 transports the blank to the cutting machine 4 for cutting: the turning conveyor belt 3 transports the rolled blank to the cutting machine 4, and according to the electric control signal of the control box 2, the cutting machine 4 accurately cuts the blank according to the required volume.

[0051] 2) The multi-axis mechanical arm 8 carries the rough blank to the heating furnace: the multi-axis mechanical arm 8 carries the rough blank to the external heating furnace for heating.

[0052] 3) The multi-axis mechanical arm 8 places the heated rough blank on the electro-hydraulic hammer 5 for preliminary forging: the multi-axis mechanical arm 8 carries the heated rough blank to the electro-hydraulic hammer 5 to complete the preliminary forging.

[0053] 4) The multi-axis mechanical arm 8 carries the rough blank after preliminary forging to the final forging mechanism 6 to complete the final precision forging: the electric control sliding table 7 drives the multi-axis mechanical arm 8 to displace and carry the rough blank after preliminary forging to the final forging mechanism 6, and the final forging mechanism 6 precisely forges the rough blank into a tooth shape.

[0054] The working principle of the present application: the conveying belt 3 transports the rolled blank to the cutting machine 4, the cutting machine 4 accurately cuts the blank according to the required volume, the multi-axis mechanical arm 8 carries the rough blank to the external heating furnace for heating, the multi-axis mechanical arm 8 carries the rough blank after heating to the electric hydraulic hammer 5 to complete the preliminary forging, the electric control sliding table 7 drives the multi-axis mechanical arm 8 to displace to carry the rough blank after preliminary forging to the finish forging mechanism 6, and the finish forging mechanism 6 finishes the rough blank into a tooth type by finish forging. During finish forging, the finish forging mechanism 6 adopts multiple fine forging pressure on the upper surface of the rough blank in multiple zones, the rotation motor 692 drives the rotation shaft 691 to rotate, the output end of the servo air cylinder 696 is displaced according to the electric control signal of the control box 2, the ball head rod 694 is deflected in the hemispherical cavity 6912, the inclination angle of the rough blank upper surface is adjusted by the pressure distribution mechanism 697, the first motor 6978 drives the sliding disc 6975 to drive the conical disc 6973 to displace towards the ball head rod 694, during stamping, the outer cylinder 6971 first contacts the rough blank, the first motor 6978 outputs a reverse torque to make the conical disc 6973 displace away from the ball head rod 694, the conical disc 6973 contacts the rough blank, the outer periphery first stamps the rough blank, the rough blank edge is gathered inward, the conical disc 6973 contacts the rough blank to flatten the rough blank gathered to the center, which can effectively eliminate the flash phenomenon of stamping and forging, before the pressure distribution mechanism 697 stamps and forges the rough blank on the tooth die 68, the driving motor 65 drives the belt ring 672 to rotate through torque transmission by a belt, the inner tooth ring 6721 meshes with the tooth surface between the upper gear 6782, the torque of the belt ring 672 is transmitted to the shaft body 678, the shaft body 678 rotates around its axis, the half-width gear 6781 meshes with the tooth surface between the rack 677, the torque of the shaft body 678 is transmitted to the rack 677, the convex tooth root piece 674 and the concave die piece 675 slide along the sliding groove 6731 away from the center of the tooth die 68, the compression spring 679 is extruded, the limiting spring sheet 676 contacts the limiting buckle 6732 to complete energy storage, during stamping and forging, the limiting buckle 6732 breaks through the limiting spring sheet 676, the compression spring 679 restores the deformation to push the convex tooth root piece 674 to impact the tooth root position of the tooth die 68, the concave die piece 675 impacts the tooth peak position of the tooth die 68, which improves the deformation speed and pressure of the rough blank, ensures that the metal fills the die cavity, and greatly improves the forging quality.

[0055] It is apparent for those skilled in the art that the present application is not limited to the details of the above exemplary embodiments, but can be implemented in other concrete forms without departing from the spirit or essential characteristics of the present application. Therefore, the embodiments should be considered in all aspects as exemplary and non-limiting, and the scope of the present application is defined by the appended claims rather than the above description, and all changes falling within the meaning and range of the equivalent elements of the claims are intended to be included in the present application. Any reference signs in the claims should not be considered as limiting the claims involved.

Claims

1. A new energy vehicle input shaft gear forging equipment, characterized in that: The forging equipment includes a chassis (1), a control cabinet (2), a steering conveyor belt (3), a cutting machine (4), an electro-hydraulic hammer machine (5), a final forging mechanism (6), an electric control sliding table (7) and a multi-axis mechanical arm (8), the final forging mechanism (6) includes a portal frame (61) and a bottom plate (64), the control cabinet (2), the steering conveyor belt (3), the cutting machine (4), the electro-hydraulic hammer machine (5), the portal frame (61), the bottom plate (64), the electric control sliding table (7) are fixedly connected with the chassis (1), the multi-axis mechanical arm (8) is fixedly connected with the electric control sliding table (7), the steering conveyor belt (3), the cutting machine (4), the electro-hydraulic hammer machine (5), the final forging mechanism (6), the electric control sliding table (7), the multi-axis mechanical arm (8) are connected with the control cabinet (2) through electric signals; The final forging mechanism (6) further includes a driving screw rod (62), a sliding table (63), a driving motor (65) and a punch forging mechanism (69), the sliding table (63) is provided with a threaded hole (631) and a through hole (632), the driving screw rod (62) and the threaded hole (631) are provided with two groups, the driving screw rod (62) is rotatably connected with the portal frame (61), the driving screw rod (62) is connected with the threaded hole (631) through threads, the punch forging mechanism (69) includes a rotating shaft (691), a rotary motor (692) and a pressure dividing mechanism (697), the pressure dividing mechanism (697) includes a first motor (6978), the rotating shaft (691) is rotatably connected with the through hole (632), the rotary motor (692) is fixedly connected with the sliding table (63), the driving screw rod (62), the driving motor (65), the rotary motor (692) and the first motor (6978) are connected with the control cabinet (2) through electric signals; The final forging mechanism (6) further includes a one-way pulley (66), a side punch mechanism (67) and a tooth die (68), the side punch mechanism (67) includes a ring shell (671), a belt ring (672) and a bottom table (673), the driving motor (65), the ring shell (671), the bottom table (673) and the tooth die (68) are fixedly connected with the bottom plate (64), the driving motor (65) is rotatably connected with the one-way pulley (66), the one-way pulley (66) is connected with the belt ring (672) through a belt drive, and the belt ring (672) is rotatably connected with the ring shell (671). The side punching mechanism (67) further comprises a convex tooth root piece (674) and a concave die piece (675), the bottom table (673) is provided with a sliding groove (6731) and a limiting buckle (6732), the convex tooth root piece (674), the concave die piece (675), the sliding groove (6731) and the limiting buckle (6732) are provided with a plurality of groups, the plurality of groups of the convex tooth root piece (674), the concave die piece (675), the sliding groove (6731) and the limiting buckle (6732) are uniformly distributed along the circumference of the ring shell (671), the convex tooth root piece (674) is arranged adjacent to the concave die piece (675), and the convex tooth root piece (674) and the concave die piece (675) are in sliding connection with the sliding groove (6731).

2. The input shaft gear forging apparatus for a new energy vehicle according to claim 1, characterized in that: The side punching mechanism (67) further comprises a limiting elastic sheet (676), a rack (677), a shaft body (678) and a compression spring (679), the limiting elastic sheet (676), the rack (677), the shaft body (678) and the compression spring (679) are provided with a plurality of groups, the plurality of groups of the limiting elastic sheet (676), the rack (677), the shaft body (678) and the compression spring (679) are uniformly distributed along the circumference of the ring shell (671), the limiting elastic sheet (676), the rack (677) and the compression spring (679) are fixedly connected with the convex tooth root piece (674), the limiting elastic sheet (676) is in contact with the limiting buckle (6732), the compression spring (679) is fixedly connected with the ring shell (671), the shaft body (678) is provided with a half-width gear (6781) and an upper gear (6782), the belt ring (672) is provided with an inner tooth ring (6721), the upper gear (6782) is in mesh with the tooth surface of the inner tooth ring (6721), and the half-width gear (6781) is in mesh with the tooth surface of the rack (677).

3. The input shaft gear forging apparatus for a new energy vehicle according to claim 1, characterized in that: The punch forging mechanism (69) further comprises a first gear rod (693), a ball head rod (694), a bottom disc (695) and a servo air cylinder (696), the output end of the rotary motor (692) is fixedly connected with the first gear rod (693), the rotating shaft (691) is provided with a side tooth groove (6911) and a hemispherical cavity (6912), the first gear rod (693) is in mesh with the tooth surface of the side tooth groove (6911), the ball head rod (694) is in contact with the hemispherical cavity (6912), the bottom disc (695) is fixedly connected with the rotating shaft (691), the pressure dividing mechanism (697) further comprises an outer cylinder (6971) and a bottom cylinder (6972), the outer cylinder (6971) is fixedly connected with the ball head rod (694) and the bottom cylinder (6972), the servo air cylinder (696) is hingedly connected with the bottom disc (695), and the output end of the servo air cylinder (696) is hingedly connected with the bottom cylinder (6972).

4. The input shaft gear forging apparatus for a new energy vehicle according to claim 3, characterized in that: The partial pressure mechanism (697) further includes a cone disc (6973), a connecting rod (6974), a sliding disc (6975), a second gear rod (6976) and a tooth frame (6977), the connecting rod (6974) is fixedly connected with the cone disc (6973) and the sliding disc (6975), the cone disc (6973) is in contact with the bottom cylinder (6972), the sliding disc (6975) is in sliding connection with the outer cylinder (6971), the tooth frame (6977) is fixedly connected with the sliding disc (6975), the first motor (6978) is fixedly connected with the outer cylinder (6971), the output end of the first motor (6978) is fixedly connected with the second gear rod (6976), and the second gear rod (6976) is in tooth surface engagement with the tooth frame (6977).

5. The forging method of the input shaft gear forging apparatus for a new energy vehicle according to claim 1, characterized in that: The forging method comprises the following steps: 1) The steering conveyor belt (3) transports the blank to the cutting machine (4) for cutting; 2) The multi-axis mechanical arm (8) carries the rough blank to the heating furnace; 3) The multi-axis mechanical arm (8) places the heated rough blank on the electro-hydraulic hammer (5) for initial forging; 4) The multi-axis mechanical arm (8) carries the finished blank to the finish forging mechanism (6) to complete the final finish forging.

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