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CN-122008619-A - Combined braking device of electric screw press

CN122008619ACN 122008619 ACN122008619 ACN 122008619ACN-122008619-A

Abstract

The invention discloses a combined braking device of an electric screw press, which is technically characterized by comprising a frame, wherein an installation shell is fixedly arranged on the top surface of the frame, a synchronous servo motor is fixedly arranged on the inner top surface of the installation shell, a threaded rod is fixedly connected with the shaft of the synchronous servo motor, a flywheel is fixedly sleeved outside the threaded rod, when braking is needed, a double-head hydraulic rod is started, an output shaft of the double-head hydraulic rod pushes a connecting plate to move, the connecting plate drives the pressing rod to slide along a pressing hole of the installation shell, and then a mounting frame is pushed to approach the flywheel, so that a brake block is attached to the outer circumferential wall surface of the flywheel, the flywheel is prevented from rotating by friction force, the load of the hydraulic rod can be reduced by the auxiliary action of the electromagnetic block, emergency braking support is provided when a hydraulic rod breaks suddenly, the hydraulic rod is prevented from being damaged, the safety accidents such as the sliding block collides with the frame, the flywheel is out of control, and the personal safety of operators are protected.

Inventors

  • CHEN PING
  • XIONG XIAOHONG
  • WANG XIBIN
  • FENG JUN
  • LU ZHONGCHUN

Assignees

  • 湖北凌顶科技有限公司

Dates

Publication Date
20260512
Application Date
20260123

Claims (8)

  1. 1. An electric screw press joint brake device, comprising: The automatic feeding device comprises a frame (1), wherein bases (29) are fixedly arranged on two sides of the frame (1), a discharging block (2) is fixedly arranged on the inner top surface of the frame (1) and used for placing a processing workpiece, a mounting shell (3) is fixedly arranged on the top surface of the frame (1), a synchronous servo motor (4) is fixedly arranged on the inner top surface of the mounting shell (3), a threaded rod (5) is fixedly connected with a shaft of the synchronous servo motor (4), a sliding block (6) is arranged on the outer portion of the threaded rod (5), a pressing nut (7) is fixedly arranged on the top surface of the sliding block (6), the pressing nut (7) is in threaded connection with the threaded rod (5), and a flywheel (8) is fixedly sleeved on the outer portion of the threaded rod (5); and the brake assembly is arranged on the inner circular wall surface of the mounting shell (3) and is used for stopping the moving part of the press.
  2. 2. An electric screw press brake assembly according to claim 1, wherein the brake assembly comprises: The two mounting frames (10), two mounting frames (10) are all arranged on the inner circular wall surface of the mounting shell (3), a brake block (9) is fixedly arranged on the inner circular wall surface of the mounting frame (10), a connecting frame (12) is fixedly arranged on the top surface of the mounting shell (3), a double-head hydraulic rod (11) is fixedly arranged on the top surface of the connecting frame (12), a connecting plate (13) is fixedly connected with a shaft of the double-head hydraulic rod (11), a pressing rod (14) is fixedly arranged on one side of the connecting plate (13), two pressing holes (15) are formed in the outer circular wall surface of the mounting shell (3), the pressing rod (14) penetrates through the pressing holes (15) and is fixedly connected with the mounting frame (10), a limiting rod (16) is fixedly arranged on the outer circular wall surface of the mounting shell (3), a second electromagnetic block (19) is fixedly arranged on the outer circular wall surface of the mounting shell (3), and the first electromagnetic block (18) is fixedly connected with the connecting plate (13).
  3. 3. The electric screw press combined braking device according to claim 2, characterized in that a limit hole (17) is formed in one side of the connecting plate (13), the limit rod (16) and the limit hole (17) are slidably sleeved together, and an anti-falling block (30) is fixedly arranged on one side, far away from the mounting shell (3), of the limit rod (16).
  4. 4. The electric screw press combined braking device according to claim 2, wherein a PLC controller (26) is fixedly arranged on one side of the frame (1), and the PLC controller (26) is respectively and electrically connected with the first electromagnetic block (18), the second electromagnetic block (19), the synchronous servo motor (4) and the double-head hydraulic rod (11).
  5. 5. An electric screw press joint brake device according to claim 2, characterized in that the outside of the limit lever (16) is provided with a spring (20), and that the spring (20) is located between the mounting shell (3) and the connecting plate (13).
  6. 6. The electric screw press combined braking device according to claim 1, wherein sliding rails (21) are fixedly arranged on two sides of the frame (1), limiting grooves (22) are formed on two sides of the sliding block (6), and the sliding rails (21) and the limiting grooves (22) are sleeved together in a sliding mode.
  7. 7. The electric screw press combined braking device according to claim 1, wherein an ejection hole (23) is formed in the top surface of the discharging block (2), an ejection rod (24) is arranged in the ejection hole (23), an electric push rod (25) is fixedly mounted on the bottom surface of the frame (1), and an output shaft of the electric push rod (25) is fixedly connected with the ejection rod (24).
  8. 8. The electric screw press combined braking device according to claim 1, wherein a stabilizing groove (27) is formed in the frame (1), a stabilizing ring (28) is arranged in the stabilizing groove (27), the stabilizing ring (28) is fixedly sleeved with the threaded rod (5), and the stabilizing ring (28) is in sliding fit with the inner wall of the stabilizing groove (27).

Description

Combined braking device of electric screw press Technical Field The invention relates to the technical field of presses, in particular to a combined braking device of an electric screw press. Background The electric screw press is used as key equipment in the field of metal forging, achieves plastic forming of forgings through flywheel energy storage and screw slider transmission, and is widely applied to continuous operation scenes such as rough forging, finish forging and the like. In the working process, when the return stroke of each striking of the sliding block is finished, the movement part can accumulate huge inertial energy, reliable braking is realized in millisecond time, the sliding block is prevented from being collided or the equipment is prevented from being out of control, and strict requirements are provided for the response speed and the braking moment of a braking system. The performance of the braking device is directly related to the running safety of equipment, the machining precision of forgings and the service life of the whole machine, and is a core safety component of the electric screw press. For example, the Chinese patent publication No. CN220219775U discloses an electric screw press which is safe to use and comprises a machine body, wherein a flywheel, a screw rod, a sliding block and a punch are arranged on the machine body, the flywheel is connected with a motor on one side of the machine body through a transmission device, a workbench is arranged below the punch, the electric screw press is characterized in that two sides of the flywheel are provided with symmetrical braking mechanisms, each braking mechanism comprises an air cylinder, a bracket, a braking rod and a friction plate, the air cylinders are horizontally arranged on the bracket, the telescopic rods of the air cylinders are connected with the braking rods, and the front ends of the braking rods are provided with the friction plates. The utility model has the advantages of reasonable structure, good braking effect and safe use. The existing electric screw press with safe use has the defects that, for example, a brake mechanism of the equipment relies on a cylinder to drive a hydraulic rod to drive a brake rod and a friction plate to move, the hydraulic rod is used as a core component of brake transmission, once rod body abrasion, ageing and leakage of a sealing element occur due to long-term high-frequency expansion, or c condition is caused by metal scraps and vibration impact in forging operation, the transmission of brake power is directly interrupted, huge inertial energy still remains after the return stroke of a sliding block of the equipment, a flywheel and the sliding block continue to rotate by inertia due to insufficient braking, safety accidents such as the collision of the sliding block on the body, out-of-control swing of the flywheel and the like are easily caused, and the personal safety of the equipment and operators is seriously threatened. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a combined braking device of an electric screw press, which solves the problems that when a braking mechanism depends on a cylinder to drive a hydraulic rod, the braking mechanism depends on the cylinder to drive the hydraulic rod, the wheel and the sliding block continue to rotate inertially due to insufficient braking, so that safety accidents such as the collision of the sliding block on a machine body, out-of-control swing of a flywheel and the like are easily caused, and serious threat is formed to the personal safety of equipment and operators. The technical aim of the invention is realized by the following technical scheme: The electric screw press combined braking device comprises a frame, wherein bases are fixedly arranged on two sides of the frame, a discharging block is fixedly arranged on the inner top surface of the frame and used for placing a processed workpiece, a mounting shell is fixedly arranged on the top surface of the frame, a synchronous servo motor is fixedly arranged on the inner top surface of the mounting shell, a threaded rod is fixedly connected with a shaft of the synchronous servo motor, a sliding block is arranged outside the threaded rod, a pressing nut is fixedly arranged on the top surface of the sliding block and is connected with the threaded rod through threads, a flywheel is fixedly sleeved on the outer portion of the threaded rod, and a braking assembly is arranged on the inner circular wall surface of the mounting shell and used for stopping a moving part of the press. By adopting the technical scheme, the synchronous servo motor is arranged, the frame is used as an integral supporting frame of the equipment, the bases on two sides strengthen the stability of the whole machine, the synchronous servo motor can accurately control the rotating speed of the threaded rod, and the accurate adjustment of the lifting speed and the striking forc