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CN-224223369-U - Automatic feeding and discharging mechanical arm for machining center workpiece

CN224223369UCN 224223369 UCN224223369 UCN 224223369UCN-224223369-U

Abstract

The utility model relates to the technical field of loading and unloading mechanical arms, in particular to an automatic loading and unloading mechanical arm for a workpiece in a machining center, which is characterized in that after a collision block contacts the workpiece, the workpiece can relatively exert reaction force, so that a supporting rod is gradually inserted into a sliding column, the sliding column relatively pushes a circular plate, the distance between the circular plate and the pushing block is shortened, meanwhile, a hinge block at the top of the circular plate can push a supporting rod for a while, two ends of the supporting rod can relatively rotate, the brace rod can gradually push the linkage block through the second hinging block when rotating, the poking block on the inner side of the brace rod can gradually push the elastic sheet and enable the elastic sheet to rotate, the elastic sheet can not only compress the second torsional spring but also drive the clamping hook to rise when rotating, the clamping hooks do not hook the cross rod any more, and then the tensioned spring II can instantly pull the clamping jaw, so that the clamping jaw of the six groups of circumferential arrays locks the fixing piece, and the workpiece is automatically grabbed and fed through simple abutting.

Inventors

  • WANG LIANG
  • Gong shenzhen
  • LI CONG
  • GONG HUI

Assignees

  • 襄阳正文科技有限公司

Dates

Publication Date
20260512
Application Date
20250521

Claims (7)

  1. 1. The automatic feeding and discharging mechanical arm for the machining center workpiece comprises a base (1) and is characterized in that a mechanical arm body (4) is arranged above the base (1); the automatic fixing device also comprises a control part (2) for regulating and controlling when the workpiece is automatically fixed; The linkage part (3) is used for being matched with the control part (2) to loosen the workpiece and facilitate the grabbing of the subsequent workpiece; The control part (2) comprises a connecting plate (21), the output fixedly connected with cylinder (22) of connecting plate (21) and arm body (4), the output shaft fixedly connected with pushing block (25) of cylinder (22), the fixed surface of connecting plate (21) is connected with support (23), the one end fixedly connected with anticreep frame (24) of keeping away from connecting plate (21) of support (23), pushing block (25) are located the inboard of anticreep frame (24), the bottom surface fixedly connected with branch (217) of pushing block (25), branch (217) run through and sliding connection has sliding column (26), the bottom fixedly connected with conflict piece (27) of sliding column (26), sliding column (26) run through and sliding connection has fixed disk (218).
  2. 2. The automatic loading and unloading mechanical arm for machining center workpieces according to claim 1, wherein a circular plate (28) is fixedly connected to the top surface of the sliding column (26), and a first spring (29) is fixedly connected between the circular plate (28) and the pushing block (25).
  3. 3. The automatic loading and unloading mechanical arm of machining center work piece of claim 2, wherein the top surface of round plate (28) fixedly connected with articulated piece one (210), articulated piece one (210) the inboard run through and articulated have vaulting pole (211), the one end that vaulting pole (211) was kept away from articulated piece one (210) runs through and articulated have articulated piece two (212).
  4. 4. The automatic feeding and discharging mechanical arm for the machining center workpiece according to claim 3, wherein a linkage block (213) is fixedly connected to the surface of one side, far away from the supporting rod (211), of the second hinge block (212), a stirring block (214) is hinged to the inner side of the linkage block (213), and a torsion spring I (215) is fixedly connected between the stirring block (214) and the linkage block (213).
  5. 5. The automatic loading and unloading mechanical arm for machining center workpieces according to claim 1, wherein the sliding column (26) is penetrated by a linkage plate (216), and the linkage plate (216) is in sliding connection with the sliding column (26).
  6. 6. The automatic feeding and discharging mechanical arm for the machining center workpiece according to claim 5, wherein the linkage part (3) comprises a sliding groove (31), the sliding groove (31) is formed in the surface of a fixed disc (218), a clamping jaw (32) penetrates through the inner side of the sliding groove (31) and is connected with a positioning rod (33) in a sliding mode, the positioning rod (33) penetrates through the clamping jaw (32) and is connected with the sliding rod in a sliding mode, a spring II (34) is fixedly connected between the clamping jaw (32) and the inner side of the sliding groove (31), a connecting block (35) is fixedly connected to the surface of the clamping jaw (32), a pull rod (36) penetrates through and is hinged to the inner side of the connecting block (35), and one end, far away from the connecting block (35), of the pull rod (36) penetrates through the linkage plate (216) and is hinged to the inner side of the sliding groove.
  7. 7. The automatic feeding and discharging mechanical arm for the machining center workpiece according to claim 6, wherein the top surface of the fixing disc (218) is fixedly connected with a fixing block (37), the inner side of the fixing block (37) is penetrated and hinged with an elastic sheet (38), the inner side of the fixing block (37) is fixedly connected with a limiting plate (39), a torsion spring II (310) is fixedly connected between the limiting plate (39) and the elastic sheet (38), the inner side of the clamping jaw (32) is fixedly connected with a cross rod (312), and the bottom surface of the elastic sheet (38) is fixedly connected with a clamping hook (311).

Description

Automatic feeding and discharging mechanical arm for machining center workpiece Technical Field The utility model relates to the technical field of loading and unloading mechanical arms, in particular to an automatic loading and unloading mechanical arm for a workpiece in a machining center. Background The horizontal machining center is a high-precision and high-efficiency numerical control machine tool, is mainly used for machining complex parts, and is particularly suitable for workpieces needing multi-surface machining. The main shaft of the machine tool is horizontally arranged, and the workbench can normally rotate, so that the workpiece can be machined on a plurality of surfaces in one clamping process, the clamping times are reduced, and the machining precision and efficiency are improved. And the work piece of machining center, unloading all need the manual work to settle the work piece on machining center's processing tray on at every turn, at first during the manual grabbing installation, lead to the work piece to drop easily, and secondly the efficiency of manual installation is not high, very influences machining center's availability factor. In view of this, we propose an automatic feeding and discharging mechanical arm for a machining center workpiece. Disclosure of utility model The utility model aims to provide an automatic feeding and discharging mechanical arm for a workpiece of a machining center, which solves the problem of lower manual feeding and discharging efficiency. In order to achieve the above purpose, the present utility model provides the following technical solutions: The automatic feeding and discharging mechanical arm for the machining center workpiece comprises a base, wherein a mechanical arm body is arranged above the base; the automatic fixing device also comprises a control part for regulating and controlling when the workpiece is automatically fixed; The linkage part is used for being matched with the control part to loosen the workpiece and facilitate the grabbing of the subsequent workpiece; The control part comprises a connecting plate, the output fixed connection of connecting plate and arm body, the fixed surface of connecting plate is connected with the cylinder, the output shaft fixedly connected with of cylinder promotes the piece, the fixed surface of connecting plate is connected with the support, the one end fixedly connected with anticreep frame of keeping away from the connecting plate of support, it is located the inboard of anticreep frame to promote the piece, the bottom surface fixedly connected with branch of promotion piece, branch runs through and sliding connection has the sliding column, the bottom fixedly connected with of sliding column is contradicted the piece, the sliding column runs through and sliding connection has the fixed disk. Preferably, the top surface of the sliding column is fixedly connected with a circular plate, and a first spring is fixedly connected between the circular plate and the pushing block. Preferably, the top surface fixedly connected with of plectane articulates the piece one, the inboard of articulating the piece one runs through and articulates there is the vaulting pole, the vaulting pole is kept away from the one end of articulating the piece one and is run through and articulated there is articulating the piece two. Preferably, a linkage block is fixedly connected to the surface of one side, far away from the stay bar, of the second hinge block, a stirring block is hinged to the inner side of the linkage block, and a torsion spring I is fixedly connected between the stirring block and the linkage block. Preferably, the sliding column is penetrated with a linkage plate, and the linkage plate is in sliding connection with the sliding column. Preferably, the linkage part comprises a chute, the surface at the fixed disk is seted up to the chute, the inboard of chute runs through and sliding connection has the clamping jaw, the inboard fixedly connected with locating lever of chute, the locating lever runs through clamping jaw and sliding connection, fixedly connected with spring two between the inboard of clamping jaw and chute, the fixed surface of clamping jaw is connected with the connecting block, the inboard of connecting block runs through and articulates there is the pull rod, the one end that the connecting block was kept away from to the pull rod runs through the gangboard and articulated mutually. Preferably, the top surface fixedly connected with fixed block of fixed disk, the inboard of fixed block runs through and articulates there is the shell fragment, the inboard fixedly connected with limiting plate of fixed block, fixedly connected with torsional spring two between limiting plate and the shell fragment, the inboard fixedly connected with horizontal pole of clamping jaw, the bottom surface fixedly connected with pothook of shell fragment. By means of the technical scheme, the utility model provides