CN-121990493-A - Forging blank lifting device

CN121990493ACN 121990493 ACN121990493 ACN 121990493ACN-121990493-A

Abstract

The invention belongs to the technical field of conveying devices, and particularly relates to a forged blank lifting device which comprises two electric sliding rails and a PLC (programmable logic controller), wherein the moving ends of the two electric sliding rails are fixedly connected with the same moving plate, the upper ends of the moving plates are fixedly connected with a plurality of symmetrically arranged hydraulic push rods, and the forged blank lifting device further comprises a hollow bearing table, a circumferential limiting assembly, a pulling and pressing assembly, a feeding feedback assembly and a multidirectional transferring assembly. The invention can carry out self-adaptive clamping on the peripheral sides of forging blanks with different sizes so as to ensure stable transfer, synchronously press and limit the tops of the blanks and provide traction force for the blanks transferred to the hollow bearing table so as to strengthen the placement stability, assist quick table entry, realize the selective quick removal of the blanks of the bearing table so as to adapt to various transfer paths, effectively expand the application range and improve the transfer efficiency and stability.

Inventors

SU ZHENHUA
HE BO
MA HAIKUAN
WU LIANG
HU YANGHU
LI LU
FENG DONGXIAO
MA YONGJUN
LI FEI

Assignees

中国重型机械研究院股份公司

Dates

Publication Date: 20260508
Application Date: 20260206

Claims (8)

1. The lifting device for the forging blank comprises two electric sliding rails (1) and a PLC, wherein the moving ends of the two electric sliding rails (1) are fixedly connected with the same moving plate (2), the upper ends of the moving plates (2) are fixedly connected with a plurality of symmetrically arranged hydraulic push rods (3), and the lifting device is characterized by further comprising a hollow bearing table (4), a circumferential limiting assembly (5), a pulling and holding assembly (6), a feeding feedback assembly (7) and a multidirectional transferring assembly (8), wherein the hollow bearing table (4) is fixedly connected to the moving ends of the hydraulic push rods (3), the circumferential limiting assembly (5) is arranged on the outer side of the hollow bearing table (4), the pulling and holding assembly (6) is rotatably arranged on the outer side of the circumferential limiting assembly (5), the feeding feedback assembly (7) is communicated with the circumferential limiting assembly (5) and is used for conveying magnetorheological fluid into the circumferential limiting assembly (5), the multidirectional transferring assembly (8) is arranged in the hollow bearing table (4), and the hollow bearing table (4) is provided with a plurality of through openings (9) extending out of the hollow bearing table (4); The circumferential limiting assembly (5) comprises a limiting frame (51), an elastic silicon capsule (52) is fixedly connected to the inner side of the limiting frame (51), a circumferentially arranged embedded groove (53) is formed in the outer side of the limiting frame (51), an electromagnetic coil winding (54) is arranged in the corresponding embedded groove (53), and a sealing frame (55) is detachably and fixedly connected to the outer side of the limiting frame (51).
2. The forging blank lifting device according to claim 1, wherein the circumferential limiting assembly (5) further comprises two extension plates (56) symmetrically and fixedly connected to the lower end of the hollow bearing table (4), the extension plates (56) are of an L-shaped structure, two electric push-pull rods (57) are symmetrically and fixedly sleeved on the horizontal portions of the extension plates (56), a fixing plate (58) is fixedly connected to the moving end of each electric push-pull rod (57), and the fixing plate (58) is fixed to the outer side of the sealing frame (55).
3. The forging blank lifting device according to claim 1, wherein the material pulling and holding assembly (6) comprises two rotating shafts (61) which are symmetrically and rotatably connected to the outer side of the blocking frame (55), a motor driving assembly (62) used for driving the rotating shafts (61) to rotate is fixedly arranged on the outer wall of the blocking frame (55), an installation seat (63) is fixedly connected to one side, away from the blocking frame (55), of the rotating shafts (61), an electric telescopic rod (64) is fixedly inserted into the installation seat (63), two movable ends of the electric telescopic rod (64) are fixedly connected with the same pulling plate (65), a squeezing roller set (66) is fixedly arranged on the inner side of the pulling plate (65), and a pressure sensor (67) is arranged between the pulling plate (65) and the squeezing roller set (66).
4. The forging blank lifting device according to claim 2, wherein the feed-back assembly (7) comprises a storage box (71) fixedly arranged on the moving plate (2), a feed pipe (72) is fixedly communicated with the side wall of the storage box (71), one end, far away from the storage box (71), of the feed pipe (72) penetrates through the side wall of the limiting frame (51) and is fixedly communicated with the elastic silicon capsule (52), a gear pump (73) is arranged on the feed pipe (72), and a pressure gauge (74) is further arranged on the pipe wall, close to the limiting frame (51), of the feed pipe (72).
5. The forged blank lifting device according to claim 4, wherein a telescopic corrugated section (75) is arranged on a pipe wall of the feed pipe (72) close to the limiting frame (51), and the telescopic length of the telescopic corrugated section (75) is larger than the moving height of the circumferential limiting assembly (5).
6. The forging blank lifting device as recited in claim 4, wherein a liquid level sensor (76) is further installed at the top of the storage tank (71) for monitoring the remaining magnetorheological fluid in the storage tank (71).
7. The forging blank lifting device according to claim 1, wherein the multidirectional transferring assembly (8) comprises a lifting plate (81) which is slidably arranged in the hollow bearing table (4), a forced permanent magnet plate (82) is fixedly arranged at the lower end of the lifting plate (81), a forced electromagnetic plate (83) which is opposite to the forced permanent magnet plate (82) is fixedly arranged at the bottom of the inner wall of the hollow bearing table (4), a plurality of supporting shafts (84) are rotatably connected to the lifting plate (81), an electric roller (85) is fixedly connected to the upper end of each supporting shaft (84), the electric roller (85) is correspondingly arranged at the position of each through hole (9), the lifting plate (81) is of a hollow structure, and a plurality of groups of servo motor assemblies (86) for driving the supporting shafts (84) to rotate are fixedly arranged inside the lifting plate.
8. The forging blank lifting device according to claim 7, wherein a plurality of positioning slide bars (87) are symmetrically and fixedly connected to the inner wall of the hollow bearing table (4), a plurality of sliding holes which are in sliding sleeve connection with the positioning slide bars (87) are formed in the surface of the lifting plate (81), and an expanding supporting cylinder (88) which is in contact with the upper surface of the lifting plate (81) is fixedly connected to the lower end of the electric roller (85).

Description

Forging blank lifting device Technical Field The invention belongs to the technical field of conveying devices, and particularly relates to a forged blank lifting device. Background The forging blank is a product formed by forging a solid metal blank through a forging machine, and the product is required to be transported to subsequent equipment for finish machining. At present, a fork truck is adopted for lifting and transferring the forged blank, the method has obvious limitations that the space required by the fork truck is larger, the steering flexibility is insufficient, and the fork truck is lack of a special reinforcing and clamping mechanism aiming at the heavy forged blank, so that the blank is easy to shift due to inertia effect in the transferring process, and the conveying stability is seriously affected. Meanwhile, the existing transferring tool is required to be provided with special fixtures for forging blanks with different sizes and shapes, so that the fixture is difficult to match, the purchase and replacement cost is high, the general transferring requirements of multiple types of blanks are difficult to meet, and the transferring bearing table is designed to ensure the placing stability of the blanks and is generally of a high surface roughness structure, so that the forging blanks are excessively large in resistance during blanking, and the operation is very inconvenient. Disclosure of Invention The object of the present invention is to solve the above problems and to provide a forged blank lifting device. The invention adopts the following technical scheme that the forging blank lifting device comprises two electric slide rails and a PLC, wherein the moving ends of the two electric slide rails are fixedly connected with the same moving plate, the upper ends of the moving plates are fixedly connected with a plurality of symmetrically arranged hydraulic push rods, the forging blank lifting device further comprises a hollow bearing table, a circumferential limiting assembly, a material pulling and holding assembly, a feeding feedback assembly and a multidirectional transferring assembly, the hollow bearing table is fixedly connected with the moving ends of the hydraulic push rods, the circumferential limiting assembly is arranged on the outer side of the hollow bearing table, the material pulling and holding assembly is rotatably arranged on the outer side of the circumferential limiting assembly, the feeding feedback assembly is communicated with the circumferential limiting assembly and used for conveying magnetorheological fluid into the circumferential limiting assembly, the multidirectional transferring assembly is arranged in the hollow bearing table, and a plurality of through holes used for extending out of the tops of the multidirectional transferring assembly are formed in the upper surface of the hollow bearing table; The circumferential limiting assembly comprises a limiting frame, an elastic silicon capsule is fixedly connected to the inner side of the limiting frame, a circumferentially arranged embedded groove is formed in the outer side of the limiting frame, an electromagnetic coil winding is arranged in the corresponding embedded groove, and a blocking frame is detachably and fixedly connected to the outer side of the limiting frame. Preferably, the circumferential limiting assembly further comprises two extension plates which are symmetrically and fixedly connected to the lower end of the hollow bearing table, the extension plates are of L-shaped structures, two electric push-pull rods are symmetrically and fixedly inserted in the horizontal portions of the extension plates, the movable ends of the electric push-pull rods are fixedly connected with fixing plates, and the fixing plates are fixed to the outer sides of the sealing frame. Through adopting above-mentioned technical scheme, realize spacing frame and the relative connection of cavity plummer to can push away spacing frame to the upper end of cavity plummer, surround outside the forging blank of placing on the cavity plummer, and when need not carry out the centre gripping spacing to forging blank, can make spacing frame remove to the downside, avoid hindering forging blank material loading to the cavity plummer. Preferably, the material pulling and pressing assembly comprises two symmetrical rotating shafts connected to the outer side of the blocking frame, a motor driving assembly used for driving the rotating shafts to rotate is fixedly arranged on the outer wall of the blocking frame, one side, away from the blocking frame, of the rotating shafts is fixedly connected with a mounting seat, an electric telescopic rod is fixedly inserted into the mounting seat, two movable ends of the electric telescopic rod are fixedly connected with the same traction plate, an extrusion roller set is fixedly arranged on the inner side of the traction plate, and a pressure sensor is arranged between the traction plate and the