CN118180312B - Forging equipment and forging method for copper piece - Google Patents

Abstract

The invention relates to the technical field of forging, in particular to a forging device and a forging method of a copper part, the forging device comprises a press, an upper die is fixedly connected to the bottom end of a telescopic rod of the press, a base is fixedly connected to the surface of a processing plane of the press, a lower die is fixedly connected to the top of the base, a cavity is formed in a machine body, which is positioned below the processing plane, of the press, a blanking hole which is communicated with the cavity is formed in the front side of the lower die, a first signal rod and a second signal rod are connected to the base in a sliding manner, the top end of the second signal rod is higher than the first signal rod, and a discharging mechanism for picking up the forged part from the surface of the lower die is arranged on the lower die.

Description

A copper forging device and a copper forging method

Technical Field

The invention relates to the technical field of forging, and in particular to a forging device and a forging method for a copper piece.

Background Art

In the forging process of copper parts, forging dies are required to perform high-precision forging processing to obtain high-quality copper castings.

After searching, the application number is CN201820628250.3, which discloses a high-precision forging die for aluminum-copper castings, including a forging upper die, the lower surface of the forging upper die is bolted with an upper press table, the top of the inner surface wall of the upper press table is bolted with a cylinder, and a pressure transmission plate is connected to the bottom of the cylinder, and the lower surface of the pressure transmission plate is symmetrically welded with press knives on both sides, a contact plate is arranged at the center of the upper surface of the lower press table, and the bottom of the contact plate is equidistantly provided with compression springs and pressure-bearing plates used in conjunction therewith, the upper surface of the lower press table and the two sides of the contact plate are symmetrically provided with knife grooves, the upper surface of the lower press table is symmetrically provided with upper rollers at the edges of both sides of the upper surface of the lower press table, and the surface of the upper rollers is equidistantly sleeved with soft rubber rings. In the above utility model, the structure of the soft rubber ring can reduce the extrusion and wear phenomenon caused by the upper roller to the raw material of aluminum-copper castings, thereby avoiding unnecessary damage to the raw material of aluminum-copper castings, and greatly improving the safety of the forging die.

However, after forging the copper parts, due to the impact force and plasticity at high temperature, parts of the copper parts will get stuck in the grooves of the mold, so manual picking is required. This process lacks a protective structure and poses a safety hazard.

Summary of the invention

In view of the existing deficiencies, the present invention provides a copper forging device and a copper forging method.

To achieve the above object, the technical solution adopted by the present invention is:

A forging device for copper parts, comprising a press, wherein the bottom end of the telescopic rod of the press is fixedly connected to an upper die, the processing plane surface of the press is fixedly connected to a base, the top of the base is fixedly connected to a lower die, a body of the press located below the processing plane is provided with a chamber, the processing plane of the press and the front side of the lower die is provided with a discharge hole connected to the chamber, a first signal rod and a second signal rod are slidably connected to the base, the top of the second signal rod is higher than the first signal rod, the lower die is provided with a discharge mechanism for lifting the forged part from the surface of the lower die, and the lower die is also provided with a The clamping mechanism includes a clamping ring slidably arranged on the surface of the lower die, and a baffle mechanism is arranged at the front end of the press, and the baffle mechanism is used to guide the lifted forging piece to fall into the chamber. When the upper die is forged downward to contact the lower die, the upper die first contacts the second signal rod, and the second signal rod sends a signal to the clamping mechanism. The clamping mechanism drives the clamping ring to move horizontally secretly, and then the upper die and the lower die are docked and forged to transform the processed piece into a forged piece. At this time, the first signal rod sends a signal to the discharge mechanism to issue an instruction to lift the forged piece, which is then collected by the baffle mechanism.

Preferably, the clamping mechanism also includes a toothed belt and several second motors. The base and the lower mold are integrated and hollow inside. A slit is opened on the upper surface of the lower mold. The toothed belt is placed on the slit, and the smooth surface of the toothed belt is flush with the surface of the lower mold. The tooth surface of the toothed belt is meshed with several gear rods, one end of each gear rod is rotatably connected to the inner wall of the lower mold, and the output shafts of several second motors are fixedly connected to the other ends of several of the gear rods, and each of the second motors is fixedly connected to the inner wall of the base.

Preferably, the smooth surface of the toothed belt is fixedly connected with a connecting block, the top of the connecting block is fixedly connected with a clamping ring, the toothed belt is located at an inclined surface at the junction of the lower mold and the base, and when the upper mold and the lower mold are docked, the connecting block is located on the inclined surface of the toothed belt.

Preferably, the discharging mechanism includes a discharging rod and a cylinder, a receiving groove is provided on the surface of the lower mold, a discharging rod is arranged in the receiving groove, a support rod is fixedly connected to the side wall of the lower mold, a tilting rod is integrated at the bottom of the support rod, a movable groove is provided on the support rod, one end of the bottom of the discharging rod and the end of the piston rod of the cylinder are fixedly connected to a second adapter frame, a connecting rod is rotatably connected between the two second adapter frames, and the cylinder is fixedly connected to the inner wall of the base.

Preferably, the upper surface of the discharging rod is flush with the upper surfaces of the lower mold and the supporting rod, the lower surface of the discharging rod is in contact with the tilting rod, and the connecting rod slides through the outer wall of the base.

Preferably, the baffle mechanism comprises a baffle and a first adapter frame, the first adapter frame is fixedly connected to the outer wall of the press, the bottom end of the baffle is fixedly connected to a rotating rod, and the rotating rod is rotatably connected to the first adapter frame.

Preferably, the press is provided with an installation groove, in which a first motor is fixedly connected, an output shaft of the first motor is fixedly connected to a first gear, an end of the rotating rod is fixedly connected to a second gear, and the first gear and the second gear are meshingly connected.

Preferably, a plurality of heat dissipation holes are provided on the side wall of the chamber, and a movable door is detachably provided at the front end of the chamber.

Preferably, a signal contact is provided at the bottom end of the first signal rod, a signal receiver is fixedly connected to the inner wall of the base, the signal contact and the signal receiver cooperate with each other, a first sensor is provided at the junction of the second signal rod and the base, an inclined plate is fixedly connected to the front side of the lower mold and the base, a pedal is placed at the bottom of the press, and a second sensor is provided on the pedal.

A forging method of a copper forging device comprises the following steps:

S1, placing the workpiece on the lower mold and fixing it by a clamping ring;

S2, start the press, forge the upper die downward, and when the second signal rod is pressed, the second sensor sends a command to the second motor, driving the toothed belt to rotate, so that the clamping ring is separated from the workpiece and moves to the inclined surface;

S3, the upper die and the lower die are butted and forged to make the workpiece into a forged piece, and at the same time, the first signal rod is pressed down, and the signal contact is butted with the signal receiver. At this time, the pedal is stepped on to start the second sensor, and the second sensor sends a command to the first motor to drive the baffle to rotate upward;

S4, after stepping on the pedal, the upper die is separated from the lower die, and after moving to the specified height, a command is issued to the cylinder to lift the discharge rod upward along the tilting rod as a fulcrum, so that the forged part is picked up and collides with the baffle, and then falls into the chamber;

S5, release the pedal, and the baffle, the tilting rod and the clamping ring return to their original positions to complete the forging of the workpiece.

Compared with the prior art, the present invention has the following beneficial effects:

After the upper die moves to the specified height, the signal receiver sends a command to the cylinder, causing the discharge rod to be lifted upward along the tilting rod as a fulcrum, and the forging piece is vertically lifted up to collide with the baffle, and then falls into the chamber. The pedal is released, and the baffle, tilting rod and clamping ring return to their original positions to complete the forging of the workpiece. The equipment can automatically discharge the forging piece stuck in the depression of the lower die and drop it into the chamber for unified collection. There is no need for construction workers to manually pick up the material, which isolates the safety hazards in the forging process, reduces manpower input, and increases production profits.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic diagram of the overall structure of a copper forging device and a forging method thereof according to the present invention;

FIG2 is a schematic structural diagram of a heat dissipation hole of a copper forging device and a forging method thereof according to the present invention;

FIG3 is a schematic structural diagram of a copper forging device and a forging method thereof in which a baffle is horizontally arranged according to the present invention;

FIG4 is an enlarged schematic structural diagram of point A in FIG3 of the present invention;

FIG5 is a schematic structural diagram of a clamping mechanism of a copper forging device and a forging method thereof according to the present invention;

FIG6 is a schematic structural diagram of a signal contact and a signal receiver of a copper forging device and a forging method thereof according to the present invention;

FIG7 is a schematic diagram of the structure enlarged at B in FIG6;

FIG8 is a schematic structural diagram of a baffle vertically erected in a copper forging device and a forging method thereof according to the present invention;

FIG9 is an enlarged schematic diagram of the structure at C in FIG8;

FIG10 is a schematic structural diagram of a chamber of a copper forging device and a forging method thereof according to the present invention;

FIG. 11 is a schematic diagram of the structure enlarged at D in FIG. 10 of the present invention.

In the figure: 1. press machine; 2. upper mold; 3. base; 4. lower mold; 5. baffle mechanism; 501. baffle; 502. discharge hole; 503. chamber; 504. first motor; 505. first gear; 506. second gear; 507. rotating rod; 508. first adapter frame; 6. pedal; 7. discharge mechanism; 701. discharge rod; 702. cylinder; 703. support rod; 704. tilting rod; 705. movable groove; 706. second adapter frame; 707. connecting rod; 8. clamping mechanism; 801. toothed belt; 802. connecting block; 803. clamping ring; 804. gear rod; 805. second motor; 9. movable door; 10. heat dissipation hole; 12. inclined plate; 13. first signal rod; 14. second signal rod; 15. signal contact; 16. signal receiver.

DETAILED DESCRIPTION

The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

Embodiment: As shown in Figures 1 to 11, a copper forging device includes a press 1, the bottom end of the telescopic rod of the press 1 is fixedly connected to an upper mold 2, the processing plane surface of the press 1 is fixedly connected to a base 3, the top of the base 3 is fixedly connected to a lower mold 4, the body of the press 1 located below the processing plane is provided with a chamber 503, the processing plane of the press 1 and the front side of the lower mold 4 is provided with a feed hole 502 connected to the chamber 503, the base 3 is slidably connected to a first signal rod 13 and a second signal rod 14, the top of the second signal rod 14 is higher than the first signal rod 13, and the lower mold 4 is provided with a discharge mechanism 7 for picking up the forged piece from the surface of the lower die 4, and the lower die 4 is also provided with a clamping mechanism 8 for fixing the workpiece, the clamping mechanism 8 includes a clamping ring 803 slidably arranged on the surface of the lower die 4, and a baffle mechanism 5 is provided at the front end of the press 1, and the baffle mechanism 5 is used to guide the picked up forged piece to fall into the chamber 503. When the upper die 2 is forged downward to contact the lower die 4, the upper die 2 first contacts the second signal rod 14, and the second signal rod 14 sends a signal to the clamping mechanism 8, and the clamping mechanism 8 drives the clamping ring 803 to move horizontally, and then the upper die 2 The workpiece is forged by docking with the lower die 4, and the workpiece is transformed into a forged piece. At this time, the first signal rod 13 sends a signal to issue an instruction to the discharge mechanism 7 to pick up the forged piece, and then the baffle mechanism 5 collects it, and the workpiece is placed on the lower die 4 and fixed by the clamping ring 803. At this time, the baffle 501 is horizontally connected to the press 1 as shown in Figure 3. The height of the baffle 501 has a limit function to maintain a safe distance between the operator and the machine, and has a warning function. The press 1 is started, and the upper die 2 is forged downward. When the second signal rod 14 is pressed, the second signal rod 14 moves, so that the clamping ring The ring 803 is separated from the workpiece and moves to the inclined plane. At this time, the horizontal height of the clamping ring 803 should be lower than the horizontal height of the lower mold 4 to avoid damage to it during forging. The upper mold 2 and the lower mold 4 are docked and forged to make the workpiece into a forged part. At this time, stepping on the pedal 6 starts the second sensor, driving the baffle 501 to rotate upward for safety protection. After the upper mold 2 moves to the specified height, the signal receiver 16 sends a command to the cylinder 702, so that the discharge rod 701 is lifted upward along the tilting rod 704 as a fulcrum, and the forged part is vertically picked up and collides with the baffle 501, and then falls into the chamber 503.

In this embodiment, in order to align the workpiece with the mold and improve the quality of the forged piece, the clamping mechanism 8 also includes a toothed belt 801 and a plurality of second motors 805. The base 3 and the lower mold 4 are integrated and hollow inside. A slit is opened on the upper surface of the lower mold 4, and the toothed belt 801 is placed on the slit. The smooth surface of the toothed belt 801 is flush with the surface of the lower mold 4. The toothed surface of the toothed belt 801 is meshedly connected with a plurality of toothed rods 804. One end of each toothed rod 804 is rotatably connected to the inner wall of the lower mold 4. The output shafts of the plurality of second motors 805 are fixedly connected to the other ends of a plurality of toothed rods 804. Each second motor 805 is fixedly connected to the inner wall of the base 3. The smooth surface of the toothed belt 801 is fixedly connected to a connecting block 802. The top of the connecting block 802 is fixedly connected to The clamping ring 803 and the toothed belt 801 are located at the intersection of the lower mold 4 and the base 3 and are inclined. When the upper mold 2 and the lower mold 4 are docked, the connecting block 802 is located on the inclined surface of the toothed belt 801. The second motor 805 controls the rotation of the gear rod 804. When rotating, it cooperates with the inner wall teeth of the toothed belt 801 to drive its operation, thereby controlling the movement of the clamping ring 803 to clamp or hide it. As shown in Figure 4, the shape of the forged part is cylindrical. The clamping ring 803 clamps the forged part on the surface of the lower mold 4 to prevent the forged part from rolling down. It has a limiting function. When the lower mold 4 and the upper mold 2 are about to dock, they are translated backward and forged to form a processed part that fits the shape of the mold cavity. The clamping ring 803 is set at the most suitable position for the forged part to be placed on the mold cavity, saving the time for manual placement and alignment.

In this embodiment, in order to be able to vertically pick up the forged parts and make them collide with the baffle 501 to achieve the collection function, the discharging mechanism 7 includes a discharging rod 701 and a cylinder 702. A storage groove is provided on the surface of the lower mold 4, and a discharging rod 701 is arranged in the storage groove. The side wall of the rod body of the discharging rod 701 is integrated with a plurality of protruding rods, and the ends of the protruding rods extend into the slits provided in the lower mold 4. A support rod 703 is fixedly connected to the side wall of the lower mold 4, and a tilting rod 704 is integrated at the bottom of the support rod 703. A movable groove 705 is provided on the support rod 703. The bottom end of the discharging rod 701 and the end of the piston rod of the cylinder 702 are fixedly connected to a second adapter frame 706, and the two second adapter frames 706 are rotatably connected. There is a connecting rod 707, and the cylinder 702 is fixedly connected to the inner wall of the base 3. The upper surface of the discharge rod 701 is flush with the upper surface of the lower mold 4 and the support rod 703. The lower surface of the discharge rod 701 is in contact with the tilting rod 704. The connecting rod 707 slides through the outer wall of the base 3. The cylinder 702 issues a command to lift the discharge rod 701 upward along the tilting rod 704 as a fulcrum, and the forging is vertically lifted and collides with the baffle 501. The position setting of the tilting rod 704 ensures that every time one end of the discharge rod 701 is subjected to a downward pulling force, the discharge rod 701 will use the tilting rod 704 as a support point and follow the same motion trajectory, ensuring that the motion trajectory of the forging is kept within a range, thereby ensuring the safety of the equipment.

In this embodiment, in order to collect the forged pieces, the baffle mechanism 5 includes a baffle 501 and a first adapter frame 508, the first adapter frame 508 is fixedly connected to the outer wall of the press 1, the bottom end of the baffle 501 is fixedly connected to a rotating rod 507, the rotating rod 507 is rotatably connected to the first adapter frame 508, the press 1 is provided with a mounting groove, the mounting groove is fixedly connected to a first motor 504, the output shaft of the first motor 504 is fixedly connected to a first gear 505, the end of the rotating rod 507 is fixedly connected to a second gear 506, the first gear 505 and the second gear 506 are meshed and connected, the forged piece is vertically picked up and collides with the baffle 501, and then falls into the chamber 503, and is passed through the first motor The output shaft rotation direction of the machine 504 controls the rotation direction of the baffle 501. The prior art setting allows the die cavity to be rotated to one side. After forging, the forged workpiece can be dumped by tilting the die cavity. However, the high-temperature forgings are plastic and will be stuck in the die cavity. Therefore, it is not easy to unload without the help of external force. The discharge rod 701 is lifted upward along the tilting rod 704 as a fulcrum. Several convex rods extend from the side wall of the discharge rod 701 to increase the contact area with the forgings, and make the force point of the forgings close to its center to facilitate the forgings to be picked up. The forgings are vertically picked up and collided with the baffle 501, and then dropped into the chamber 503, thereby solving the technical problems mentioned in the background technology.

In this embodiment, a plurality of heat dissipation holes 10 are provided on the side wall of the chamber 503, and a movable door 9 is detachably provided at the front end of the chamber 503. The heat dissipation holes 10 are used for daily heat dissipation to facilitate cooling of the forgings, and the detachable movable door 9 prevents the forgings from falling, thereby further improving the safety of the equipment.

In this embodiment, a signal contact 15 is provided at the bottom end of the first signal rod 13, a signal receiver 16 is fixedly connected to the inner wall of the base 3, the signal contact 15 and the signal receiver 16 cooperate with each other, a first sensor is provided at the junction of the second signal rod 14 and the base 3, an inclined plate 12 is fixedly connected to the front side of the lower mold 4 and the base 3, a pedal 6 is arranged at the bottom of the press 1, and a second sensor is provided on the pedal 6, the first signal rod 13 sends a command when the signal contact 15 and the signal receiver 16 are in contact, the second signal rod 14 sends a command through the first sensor when sliding, and the pedal 6 sends a command through the second sensor when the construction workers step on it.

A forging method of a copper forging device comprises the following steps:

S1, placing the workpiece on the lower mold 4 and fixing it by the clamping ring 803;

S2, start the press 1, forge the upper die 2 downward, and when the second signal rod 14 is pressed, the second sensor sends a command to the second motor 805, driving the toothed belt 801 to rotate, so that the clamping ring 803 is separated from the workpiece and moves to the inclined surface;

S3, the upper die 2 and the lower die 4 are butted and forged to make the workpiece into a forged piece, and at the same time, the first signal rod 13 is pressed down, and the signal contact 15 is butted with the signal receiver 16. At this time, the pedal 6 is stepped on to start the second sensor, and the second sensor sends a command to the first motor 504 to drive the baffle 501 to rotate upward;

S4, after stepping on the pedal 6, the upper die 2 is separated from the lower die 4, and after moving to the specified height, a command is issued to the cylinder 702, so that the discharge rod 701 is lifted upward along the tilting rod 704 as a fulcrum, the forged piece is picked up and collides with the baffle 501, and then falls into the chamber 503;

S5, release the pedal 6, and the baffle 501, the tilting rod 704 and the clamping ring 803 return to their original positions to complete the forging of the workpiece.

The working principle of the forging equipment and forging method of the copper parts is as follows: the workpiece is placed on the lower die 4 and fixed by the clamping ring 803. At this time, the baffle 501 is horizontally connected to the press 1 as shown in Figure 3. The height of the baffle 501 has a limiting function to maintain a safe distance between the operator and the machine and has a warning function. The press 1 is started, and the upper die 2 is forged downward. When the second signal rod 14 is pressed and the second signal rod 14 moves, the second sensor sends a command to the second motor 805 to drive the toothed belt 801 to rotate, so that the clamping ring 803 is separated from the workpiece and moves to the inclined surface. At this time, the horizontal height of the clamping ring 803 is lower than the horizontal height of the lower die 4 to avoid damage to it during forging. The upper die 2 and the lower die 4 are docked and forged to make the workpiece into a forged part. When the upper die 2 moves further downward, the first signal rod 13 is pressed downward at the same time. When the die is closed, the signal contact 15 docks with the signal receiver 16 to send a command to let the upper die 2 disengage at a uniform speed. The upper die 2 moves away from the lower die 4, and after a certain period of time, a command is issued to the first motor 504. At this time, the pedal 6 is stepped on to start the second sensor, driving the baffle 501 to rotate upward for safety protection. After the upper die 2 moves to the specified height, the signal receiver 16 issues a command to the cylinder 702, so that the discharge rod 701 is lifted upward along the tilting rod 704 as a fulcrum. The side wall of the discharge rod 701 is extended with a plurality of convex rods to increase the contact area with the forging and make the force point of the forging close to its center for easy The forged piece is picked up and flew vertically to collide with the baffle 501, and then falls into the chamber 503. The pedal 6 is released, and the baffle 501, the lifting rod 704 and the clamping ring 803 are restored to their original positions to complete the forging of the workpiece. The equipment can automatically discharge the forged piece stuck in the depression of the lower mold 4 and drop it into the chamber 503 for unified collection. There is no need for construction workers to manually pick up the material, which isolates the safety hazards in the forging process, reduces the manpower input, and improves production profits.

Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not limitations on the implementation modes of the present invention. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made on the basis of the above description. It is impossible to list all the implementation modes here. All obvious changes or modifications derived from the technical solution of the present invention are still within the protection scope of the present invention.

Claims (4)

1. A copper forging device, comprising a press (1), characterized in that: an upper die (2) is fixedly connected to the bottom end of a telescopic rod of the press (1), a base (3) is fixedly connected to the processing plane surface of the press (1), a lower die (4) is fixedly connected to the top of the base (3), a chamber (503) is provided on the body of the press (1) located below the processing plane, a discharge hole (502) communicating with the chamber (503) is provided on the processing plane of the press (1) and located on the front side of the lower die (4), a first signal rod (13) and a second signal rod (14) are slidably connected to the base (3), the top end of the second signal rod (14) is higher than the first signal rod (13), the lower die (4) is provided with a discharge mechanism (7) for lifting the forged piece from the surface of the lower die (4), and the lower die (4) is also provided with a discharge mechanism (7) for A clamping mechanism (8) for fixing a workpiece, the clamping mechanism (8) comprising a clamping ring (803) slidably arranged on the surface of a lower die (4), a baffle mechanism (5) being arranged at the front end of the press (1), the baffle mechanism (5) being used to guide the lifted forged workpiece to fall into the chamber (503), when the upper die (2) forges downward to contact the lower die (4), the upper die (2) first contacts the second signal rod (14), the second signal rod (14) sends a signal to the clamping mechanism (8), the clamping mechanism (8) drives the clamping ring (803) to move horizontally secretly, then the upper die (2) and the lower die (4) are butt-forged to transform the workpiece into a forged workpiece, at which time the first signal rod (13) sends a signal to the discharge mechanism (7) to lift the forged workpiece, which is then collected by the baffle mechanism (5); The discharging mechanism (7) comprises a discharging rod (701) and a cylinder (702); a receiving groove is provided on the surface of the lower mold (4); a discharging rod (701) is arranged in the receiving groove; a support rod (703) is fixedly connected to the side wall of the lower mold (4); a tilting rod (704) is integrally provided at the bottom of the support rod (703); a movable groove (705) is provided on the support rod (703); a second adapter frame (706) is fixedly connected to one end of the bottom of the discharging rod (701) and an end of the piston rod of the cylinder (702); a connecting rod (707) is rotatably connected between the two second adapter frames (706); and the cylinder (702) is fixedly connected to the inner wall of the base (3); The side wall of the rod body of the discharge rod (701) is integrally provided with a plurality of protruding rods, and the ends of the protruding rods extend into the slits opened in the lower mold (4); The upper surface of the discharge rod (701) is flush with the upper surfaces of the lower mold (4) and the support rod (703), the lower surface of the discharge rod (701) is in contact with the tilting rod (704), and the connecting rod (707) is slidably passed through the outer wall of the base (3); The clamping mechanism (8) further comprises a toothed belt (801) and a plurality of second motors (805); the base (3) and the lower mold (4) are integrally arranged and hollow inside; a slit is provided on the upper surface of the lower mold (4); the toothed belt (801) is arranged on the slit, and the smooth surface of the toothed belt (801) is flush with the surface of the lower mold (4); the toothed surface of the toothed belt (801) is meshedly connected with a plurality of toothed rods (804); one end of each of the toothed rods (804) is rotatably connected to the inner wall of the lower mold (4); the output shafts of the plurality of second motors (805) are fixedly connected to the other ends of the plurality of toothed rods (804); and each of the second motors (805) is fixedly connected to the inner wall of the base (3); The smooth surface of the toothed belt (801) is fixedly connected to a connecting block (802), the top of the connecting block (802) is fixedly connected to a clamping ring (803), the toothed belt (801) is located at an inclined surface at the junction of the lower mold (4) and the base (3), and when the upper mold (2) and the lower mold (4) are butt-jointed, the connecting block (802) is located on the inclined surface of the toothed belt (801); The baffle mechanism (5) comprises a baffle (501) and a first adapter frame (508), wherein the first adapter frame (508) is fixedly connected to the outer wall of the press (1), and a rotating rod (507) is fixedly connected to the bottom end of the baffle (501), and the rotating rod (507) is rotatably connected to the first adapter frame (508); The press (1) is provided with a mounting groove, a first motor (504) is fixedly connected in the mounting groove, an output shaft of the first motor (504) is fixedly connected to a first gear (505), an end of the rotating rod (507) is fixedly connected to a second gear (506), and the first gear (505) and the second gear (506) are meshingly connected. 2. A copper forging device according to claim 1, characterized in that: a plurality of heat dissipation holes (10) are provided on the side wall of the chamber (503), and a movable door (9) is detachably provided at the front end of the chamber (503). 3. A copper forging device according to claim 1, characterized in that: a signal contact (15) is provided at the bottom end of the first signal rod (13), a signal receiver (16) is fixedly connected to the inner wall of the base (3), the signal contact (15) and the signal receiver (16) cooperate with each other, a first sensor is provided at the intersection of the second signal rod (14) and the base (3), an inclined plate (12) is fixedly connected to the front side of the lower mold (4) and the base (3), a pedal (6) is arranged at the bottom of the press (1), and a second sensor is provided on the pedal (6). 4. A forging method for a copper forging device according to any one of claims 1 to 3, characterized in that it comprises the following operating steps: S1, placing the workpiece on the lower mold (4) and fixing it by a clamping ring (803); S2, starting the press (1) and forging the upper die (2) downward. When the second signal rod (14) is pressed, the second sensor sends a command to the second motor (805), driving the toothed belt (801) to rotate, so that the clamping ring (803) is separated from the workpiece and moves to the inclined surface; S3, the upper die (2) and the lower die (4) are butted and forged to make the workpiece into a forged piece, and at the same time, the first signal rod (13) is pressed downward, and the signal contact (15) is butted with the signal receiver (16). At this time, the pedal (6) is stepped on to start the second sensor, and the second sensor sends a command to the first motor (504), driving the baffle (501) to rotate upward; S4, after stepping on the pedal (6), the upper die (2) is separated from the lower die (4), and after moving to a specified height, a command is issued to the cylinder (702), so that the discharge rod (701) is lifted upward along the tilting rod (704) as a fulcrum, the forged piece is lifted up and collides with the baffle (501), and then falls into the chamber (503); S5, the pedal (6) is released, and the baffle (501), the tilting rod (704) and the clamping ring (803) are restored to their original positions to complete the forging of the workpiece.