CN-224209058-U - Clamping mechanism of numerical control radial forging press

CN224209058UCN 224209058 UCN224209058 UCN 224209058UCN-224209058-U

Abstract

A clamping mechanism of a numerical control radial forging press relates to the technical field of forging presses and solves the problem that in the prior art, quick concentric positioning of cylindrical forging pieces cannot be achieved, and performance of the forged workpieces is affected. The automatic clamping device comprises a machine body, wherein a base is arranged on the machine body, a positioning assembly is arranged on the base and comprises a centering assembly and a clamping assembly, the centering assembly comprises a mounting seat, a through hole is formed in the mounting seat along the axial direction, a conical shaft slides up and down in the through hole, a screw rod is connected with the middle of the conical shaft in a threaded manner, a driving motor is correspondingly connected with the lower end of the mounting seat, an output shaft of the driving motor is connected with the screw rod, an expansion sleeve is arranged between the conical shaft and the through hole, a plurality of opening seams are uniformly formed in the radial direction of the expansion sleeve, and the clamping assembly comprises clamping jaws and a moving mechanism. The centering device has the beneficial effects that the centering operation and clamping can be carried out on the forging piece, and the displacement in the forging process is prevented.

Inventors

ZHANG ZILONG
WANG ANJI
ZHANG XILEI
XU XINLEI
XU LITAO
SUN XIAOPING
WANG RUIQIN
XIE XIUFENG
HE YONGQIANG

Assignees

青岛海德马克智能装备有限公司

Dates

Publication Date: 20260508
Application Date: 20250305

Claims (7)

1. The clamping mechanism of the numerical control radial forging press comprises a machine body (1) and is characterized in that a base (2) is installed on the machine body (1), a positioning assembly is installed on the base (2), and an installation groove (3) is formed in the base (2) corresponding to the positioning assembly; The positioning assembly comprises a centering assembly and a clamping assembly, the centering assembly comprises a mounting seat (5), the mounting seat (5) is mounted in the middle of the base (2), a positioning hole (6) is formed in the top of the base (2) corresponding to the mounting seat (5), a through hole (7) is formed in the mounting seat (5) along the axial direction, a conical shaft (8) slides up and down in the through hole (7), a screw rod (9) is connected with the middle of the conical shaft (8) in a threaded manner, the screw rod (9) is connected with the mounting seat (5) in a rotating manner, a driving motor (11) is correspondingly connected with the lower end of the mounting seat (5), an output shaft of the driving motor (11) is connected with the screw rod (9), an expansion sleeve (12) is arranged between the conical shaft (8) and the through hole (7), and a plurality of openings (13) are uniformly formed in the radial direction of the expansion sleeve (12); Clamping assembly includes clamping jaw (20) and mobile mechanism, clamping jaw (20) are followed cover (12) symmetry that rises sets up, mobile mechanism includes rotating plate (23), rotating plate (23) rotate and connect in mounting groove (3), the lower extreme of clamping jaw (20) is connected with slider (24), base (2) correspond slider (24) have been seted up and have been slipped groove (25), slider (24) with be connected with connecting rod (26) between rotating plate (23), connecting rod (26) with slider (24) with rotating plate (23) all rotate and are connected, mounting groove (3) in-connection has drive cylinder (27), drive cylinder (27) with slider (25) parallel arrangement, drive shaft (18) of drive cylinder (27) with slider (24) are connected.
2. Clamping mechanism of a numerical control radial forging press according to claim 1, characterized in that the clamping jaw (20) is detachably connected with the sliding block (24).
3. Clamping mechanism of a numerical control radial forging press according to claim 2, characterized in that the inner surface of the clamping jaw (20) is connected with a clamping surface (21), and the clamping surface (21) is provided with anti-skid patterns (22).
4. The clamping mechanism of the numerical control radial forging press according to claim 1, wherein an annular groove (14) is formed in the inner side of the top of the expansion sleeve (12), and the upper end of the screw rod (9) is rotationally connected with the annular groove (14).
5. Clamping mechanism of a numerical control radial forging press according to claim 1, characterized in that the base (2) is connected with a side plate (4) corresponding to the mounting groove (3), and the side plate (4) is detachably connected with the base (2).
6. Clamping mechanism of a numerical control radial forging press according to claim 1, characterized in that the bottom of the mounting seat (5) is connected with a connecting block (15), the connecting block (15) is connected with a screw (16) along a longitudinal thread, the bottom of the screw (16) is connected with a bevel gear assembly (17), the bevel gear assembly (17) is driven by a driving shaft (18), and the driving shaft (18) is rotationally connected to the mounting seat (5).
7. Clamping mechanism of a numerical control radial forging press according to claim 6, characterized in that the end of the drive shaft (18) is connected with a turning hand wheel (19).

Description

Clamping mechanism of numerical control radial forging press Technical Field The utility model relates to the technical field of forging presses, in particular to a clamping mechanism of a numerical control radial forging press. Background The radial forging is a rotary forging method for specially processing solid or hollow long shaft parts, the numerical control radial forging press can process metal blanks with various materials and shapes, grains in the materials are thinned through plastic deformation in the forging process, streamline distribution is more reasonable, and therefore the performances of strength, toughness and the like of the metal blanks are obviously enhanced, and the requirements in practical application are met. In the processing of a forging by a numerical control radial forging press, the forging needs to be positioned, and in industrial production, many mechanical parts such as bearing rings, gear blanks and the like are based on cylindrical or circular ring shapes, and the material performance needs to be improved and the internal structure needs to be improved by forging. When radial forging cylindric metal blank, traditional fixture is difficult to realize concentric positioning, and when the axis of cylindric forging piece appears serious deviation with the processing axis of forging press, can make cylindric work piece circularity after forging not good, has influenced the subsequent performance of work piece. Therefore, the utility model provides a clamping mechanism of a numerical control radial forging press, which is used for solving the problems. Disclosure of utility model The utility model aims to provide a clamping mechanism of a numerical control radial forging press, which is used for solving the problem that the quick concentric positioning of a cylindrical forging piece cannot be realized and the performance of a forged workpiece is affected in the prior art. The technical scheme adopted for solving the technical problems is as follows: A clamping mechanism of a numerical control radial forging press comprises a machine body, a base is mounted on the machine body, a positioning assembly is mounted on the base, the base corresponds to the positioning assembly, a mounting groove is formed in the positioning assembly, the positioning assembly comprises a centering assembly and a clamping assembly, the centering assembly comprises a mounting seat, the mounting seat is mounted in the middle of the base, the top of the base corresponds to the mounting seat, a positioning hole is formed in the mounting seat, a through hole is formed in the mounting seat along the axial direction, a conical shaft slides up and down in the through hole, a screw rod is connected with the middle of the conical shaft in a threaded manner, the screw rod is connected with the mounting seat in a rotating manner, a driving motor is correspondingly connected with the lower end of the mounting seat, an output shaft of the driving motor is connected with the screw rod, an expansion sleeve is arranged between the conical shaft and the through hole, a plurality of openings are uniformly formed in the radial direction, the clamping assembly comprises clamping jaws and a moving mechanism, the clamping jaws are symmetrically arranged along the expansion sleeve, the moving mechanism comprises a rotating plate, the rotating plate is connected in the mounting groove in a sliding manner, a sliding block is connected with the lower end of the clamping jaw in the mounting groove, a sliding block is connected with a sliding block, and the sliding block is connected with a cylinder, and the sliding block is connected with the cylinder groove in parallel. Through adopting above-mentioned technical scheme, can carry out the centering operation to the forging, the clamping jaw tightly presss from both sides the forging simultaneously, can prevent that the forging from taking place the displacement in the forging process. Further, the clamping jaw is detachably connected with the sliding block. By adopting the technical scheme, the clamping jaw can be quickly replaced, and the production continuity is ensured. Further, the inner surface of the clamping jaw is connected with a clamping surface, and anti-skid patterns are formed on the clamping surface. Through adopting above-mentioned technical scheme, can effectively increase frictional force, prevent that forging spare from taking place the displacement in the forging process, guarantee going on smoothly of forging work. Further, an annular groove is formed in the inner side of the top of the expansion sleeve, and the upper end of the screw rod is rotationally connected with the annular groove. Through adopting above-mentioned technical scheme, can guarantee the stability that lead screw and cover that rises are connected for cover that rises can outwards expand evenly. Further, the base is connected with a side plate corresponding to the mounting groove, and the s