CN218169432U

CN218169432U - Positioning fixture for milling machine

Info

Publication number: CN218169432U
Application number: CN202220258276.XU
Authority: CN
Inventors: 赵振春
Original assignee: Qingdao Baofengyuan Machinery Parts Co ltd
Current assignee: Qingdao Baofengyuan Machinery Parts Co ltd
Priority date: 2022-02-09
Filing date: 2022-02-09
Publication date: 2022-12-30
Anticipated expiration: 2032-02-09

Abstract

The utility model discloses a positioning fixture for milling machine relates to the machine-building trade field, including guide rail, installation riser, from centering chuck, transposition axle, passive band pulley, compression band pulley, compress tightly band pulley axle, hold-in range, driving pulley, driving shaft, transposition reduction gear, transposition motor, drive reduction gear, driving motor, slide, fixed column, lift post, lift spout, lift slider, screw rod groove, lifting screw, lift thread slider, lift reduction gear, elevator motor. The utility model relates to a scheme can carry out tip location clamping to the multiunit work piece simultaneously through the design of multiunit from centering chuck, is favorable to improving machining efficiency, and the design through the slide makes the work piece fix a position more accurately to the support of singly organizing the characteristic position in the course of working simultaneously, and effectual reduction cutting vibration, and the effectual processingquality of having guaranteed is favorable to improving cutting tool life.

Description

Positioning fixture for milling machine

Technical Field

The utility model belongs to the technical field of the machine-building trade and specifically relates to a positioning fixture for milling machine.

Background

The milling machine is widely applied in the field of machining, the problem of poor clamping and positioning accuracy generally exists in the prior milling machine when side wall characteristic machining is carried out on a slender columnar workpiece, and meanwhile, cutting vibration is easily generated in the machining process, so that the machining quality of the workpiece is poor and the service life of a machine cutting tool is reduced.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect that exists among the prior art, the utility model provides a positioning fixture for milling machine.

The utility model provides a technical scheme that its technical problem adopted is: a positioning fixture for a milling machine comprises a guide rail, a mounting vertical plate, a self-centering chuck, a shifting shaft, a driven belt wheel, a pressing belt wheel shaft, a synchronous belt, a driving belt wheel, a driving shaft, a shifting speed reducer, a shifting motor, a driving speed reducer, a driving motor, a sliding seat, a fixing column, a lifting chute, a lifting slider, a screw groove, a lifting screw, a lifting threaded slider, a lifting speed reducer, a lifting motor, an electromagnetic chuck, a positioning clamping groove, a supporting plate, a damping groove, a damping plate, a supporting spring, a protective curtain, a transverse threaded slider and a transverse screw, wherein the mounting vertical plate is rigidly mounted at the right side end of the guide rail, the self-centering chuck is divided into 4 groups, uniformly distributed at the front and back sides of the self-centering chuck is rigidly mounted at the head end of the shifting shaft, the driven belt wheel is rigidly mounted at the tail end of the shifting shaft, the pressing belt wheel is rigidly mounted on a pressing belt wheel shaft, the pressing belt wheel shaft is mounted on a mounting vertical plate in a matching mode through a bearing, the synchronous belt is connected and mounted among the driven belt wheel, the pressing belt wheel and the driving belt wheel in a tensioning mode, the driving belt wheel is rigidly mounted on a driving shaft, the driving shaft is mounted on the mounting vertical plate in a matching mode through a bearing, the driving shaft is rigidly mounted at the power output end of a transposition speed reducer, the transposition speed reducer is fixed to a transposition motor shell through a speed reducer support, the transposition motor is rigidly mounted on the mounting vertical plate through a motor support, the driving speed reducer is fixed to a driving motor shell through a speed reducer support, the driving motor is rigidly mounted at the lower portion of the right side wall of the mounting vertical plate through the motor support, the sliding seat is mounted on a guide rail in a matching mode, the fixing columns are symmetrically and rigidly mounted on the front end side wall and the rear end side wall of the sliding seat in 2 groups, the lifting column is divided into 2 groups and is symmetrically installed at the hollow part in the fixing column in a front-back matching mode, the lifting chute is divided into 2 groups and is symmetrically installed at the inner wall of the hollow part in the fixing column in a left-right matching mode, the lifting slide block is divided into 2 groups and is rigidly installed at the side wall of the tail end of the lifting column in an integral mode, the lifting slide block is installed in the lifting chute in a matching mode, the screw chute is arranged at the hollow part in the lifting column in a left-right matching mode, the lifting screw rod is installed in the screw chute, the lifting screw rod is rigidly installed at the power output end of the lifting speed reducer, the lifting thread slide block is rigidly installed at the inner wall of the tail end of the screw chute in a matching mode, the lifting speed reducer is fixed on a lifting motor shell through a speed reducer support, the lifting motor is rigidly installed at the bottom surface of the hollow part in the fixing column, the electromagnetic chuck is rigidly installed at the head end of the lifting column, the electromagnetic chuck is rigidly installed at the upper end surface of the supporting disk, the positioning clamping grooves are divided into 4 groups and are evenly distributed on the upper end surface of the electromagnetic chuck, the supporting disk is installed in a damping groove arranged in a sealing matching mode, the damping plate is installed in a sealing mode and is installed in the rectangular array of the supporting disk in a damping groove, the supporting disk in a transverse direction, the supporting disk, the sliding track, the sliding block is installed at the transverse end surface of the rigid slide block, and is installed at the transverse screw rod, and is installed at the transverse matching with the screw rod, and is installed at the transverse end surface of the output shaft, and is installed at the transverse end of the transverse driving screw rod.

Foretell positioning fixture for milling machine, fill damping oil between shock attenuation inslot supporting disk lower extreme face and the shock absorption board up end.

The positioning clamp for the milling machine is characterized in that the positioning clamping groove is arranged at a position corresponding to the mounting position of the self-centering chuck.

The beneficial effects of the utility model are that, the utility model provides a can carry out the tip location clamping to the multiunit work piece simultaneously through the design of multiunit from centering chuck, is favorable to improving machining efficiency, makes the work piece fix a position more accurately to the support of singly organizing the feature part in the course of working through the design of slide simultaneously, and effectual reduction cutting vibration, the effectual processingquality of having guaranteed is favorable to improving cutting tool life.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples.

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a right side view of the passive pulley mounting structure of the present invention;

FIG. 3 is a side view of the internal mounting structure of the slide carriage of the present invention;

fig. 4 is the schematic view of the fixing column internal installation structure of the present invention.

In the figure, 1, a guide rail, 2, a mounting vertical plate, 3, a self-centering chuck, 4, a shifting shaft, 5, a driven belt wheel, 6, a pressing belt wheel, 7, a pressing belt wheel shaft, 8, a synchronous belt, 9, a driving belt wheel, 10, a driving shaft, 11, a shifting speed reducer, 12, a shifting motor, 13, a driving speed reducer, 14, a driving motor, 15, a sliding seat, 16, a fixed column, 17, a lifting column, 18, a lifting chute, 19, a lifting slide block, 20, a screw groove, 21, a lifting screw rod, 22, a lifting threaded slide block, 23, a lifting speed reducer, 24, a lifting motor, 25, an electromagnetic chuck, 26, a positioning clamping groove, 27, a supporting plate, 28, a damping groove, 29, a shock absorbing plate, 30, a supporting spring, 31, a protective curtain, 32, a transverse threaded slide block and 33, a transverse screw rod are arranged on the vertical plate.

Detailed Description

In order to more clearly illustrate the technical solution of the present invention, the following provides a further description of the present invention with reference to the accompanying drawings, and obviously, the following described drawings are only one embodiment of the present invention, and for those skilled in the art, other embodiments can be obtained according to the drawings and the embodiment without any creative work, and all belong to the protection scope of the present invention.

A positioning clamp for a milling machine comprises a guide rail 1, a mounting vertical plate 2, a self-centering chuck 3, a transposition shaft 4, a driven belt wheel 5, a pressing belt wheel 6, a pressing belt wheel shaft 7, a synchronous belt 8, a driving belt wheel 9, a driving shaft 10, a transposition reducer 11, a transposition motor 12, a driving reducer 13, a driving motor 14, a sliding seat 15, a fixed column 16, a lifting column 17, a lifting chute 18, a lifting slider 19, a screw groove 20, a lifting screw 21, a lifting threaded slider 22, a lifting reducer 23, a lifting motor 24, an electromagnetic chuck 25, a positioning clamping groove 26, a supporting disk 27, a damping groove 28, a damping plate 29, a supporting spring 30, a protective curtain 31, a transverse threaded slider 32 and a transverse screw 33, wherein the mounting vertical plate 2 is rigidly mounted at the right side end of the guide rail 1, the vertical plate 3 is divided into 4 groups, uniformly distributed at the front and back of the vertical plate 4 and the mounting vertical plate 2 through the transposition shaft 4 and a bearing in a matching manner, the mounting vertical plate 3 is mounted at the head end of the transposition shaft 4, the self-centering chuck 3 is rigidly mounted at the head end of the transposition shaft 4, the mounting vertical plate is rigidly mounted at the head end of the transposition shaft 4 through the transposition motor 2 through the transposition shaft 4 and the transposition motor 2, the rigid mounting motor 2 through the driving belt wheel shaft 10, the driving motor 2 and the transposition motor mounting motor 2, the rigid mounting motor 2 through the driving shaft 14, the driving reducer 14, the transposition motor 2, the rigid mounting motor is mounted at the driving pulley 14, the rigid mounting motor 2 through the driving shaft 14 and the rigid mounting motor 14, the slide seat 15 is installed on the guide rail 1 in a matching manner, the fixed columns 16 are symmetrically and rigidly installed on the side walls of the front end and the rear end of the slide seat 15 in a front-back manner and divided into 2 groups, the lifting columns 17 are symmetrically and fittingly installed in the hollow part of the fixed columns 16 in a front-back manner and divided into 2 groups, the lifting slide grooves 18 are symmetrically and bilaterally arranged on the inner wall of the hollow part of the fixed columns 16 in a left-right manner, the lifting slide blocks 19 are symmetrically and rigidly installed on the side walls of the tail ends of the lifting columns 17 in a left-right manner and divided into 2 groups, the lifting slide blocks 19 are fittingly installed on the lifting slide grooves 18, the screw grooves 20 are arranged in the hollow part of the lifting columns 17 in a left-right manner, the lifting screws 21 are installed in the screw grooves 20, the lifting screws 21 are rigidly installed on the power output end of the lifting speed reducer 23, the lifting screw blocks 22 are rigidly installed on the inner wall of the tail ends of the screw grooves 20, the lifting speed reducer 23 is fixed on the shell of the lifting motor 24 through a speed reducer support, the lifting motor 24 is rigidly mounted on the bottom surface of the hollow part in the fixed column 16, the electromagnetic chuck 25 is rigidly mounted at the head end of the lifting column 17, the electromagnetic chuck 25 is rigidly mounted on the upper end surface of the supporting plate 27, the positioning clamping grooves 26 are divided into 4 groups and uniformly distributed on the upper end surface of the electromagnetic chuck 25, the supporting plate 27 is hermetically and cooperatively mounted in the damping groove 28 arranged on the upper end surface of the sliding seat 15, the shock absorbing plate 29 is hermetically and cooperatively mounted in the damping groove 28 at the lower part of the supporting plate 27, the supporting springs 30 are divided into a plurality of groups of rectangular arrays and uniformly distributed and rigidly mounted on the bottom surface of the damping groove 28, the shock absorbing plate 29 is rigidly mounted on the upper end of the supporting spring 30, the protective curtain 31 is cooperatively mounted in the guide rail 1, the transverse threaded slider 32 is rigidly mounted on the lower end surface of the sliding seat 15, and the transverse screw 33 is rigidly mounted on the power output shaft of the drive reducer 13, the transverse threaded slider 32 is fittingly mounted to a transverse threaded rod 33.

In detail, damping oil is filled between the lower end face of the supporting disc 27 inside the shock absorption groove 28 and the upper end face of the shock absorption plate 29, and the setting position of the positioning clamping groove 26 corresponds to the installation position of the self-centering chuck 3.

The above embodiments are only exemplary embodiments of the present invention, and are not intended to limit the present invention, and the protection scope of the present invention is defined by the claims. Various modifications and equivalents of the invention can be made by those skilled in the art within the spirit and scope of the invention, and such modifications and equivalents should also be considered as falling within the scope of the invention.

Claims

1. The utility model provides a positioning fixture for milling machine, including guide rail (1), installation riser (2), from centering chuck (3), transposition axle (4), passive band pulley (5), hold-down band pulley (6), hold-down band pulley axle (7), hold-in range (8), driving pulley (9), driving shaft (10), transposition reduction gear (11), transposition motor (12), drive reduction gear (13), driving motor (14), slide (15), fixed column (16), lift post (17), lift spout (18), lift slider (19), screw rod groove (20), lifting screw (21), lift thread slider (22), lifting gear (23), lifting motor (24), electromagnet (25), positioning channel groove (26), supporting disk (27), damping channel (28), inhale shake board (29), supporting spring (30), protection curtain (31), horizontal thread slider (32), horizontal screw (33), its characterized in that: the vertical installation plate (2) is rigidly installed at the right side end of the guide rail (1), the self-centering chucks (3) are divided into 4 groups and are uniformly distributed at the front and the back of the vertical installation plate (2) in a matching way through a turning shaft (4) and a bearing, the self-centering chucks (3) are rigidly installed at the head end of the turning shaft (4), the driven belt pulley (5) is rigidly installed at the tail end of the turning shaft (4), the pressing belt pulley (6) is rigidly installed at the pressing belt pulley shaft (7), the pressing belt pulley shaft (7) is installed at the vertical installation plate (2) in a matching way through the bearing, the synchronous belt (8) is tensioned and connected between the driven belt pulley (5), the pressing belt pulley (6) and the driving belt pulley (9), the driving belt pulley (9) is rigidly installed at the driving shaft (10), the driving shaft (10) is installed at the vertical installation plate (2) in a matching way through the bearing, the driving shaft (10) is rigidly installed at the power output end of the speed reducer (11), the turning speed reducer (11) is fixed at the shell of the turning motor (12) through a speed reducer support, the turning motor (12) is rigidly installed at the vertical installation plate (2) through a motor support, the turning motor (12) through a motor support, the turning motor (13) is fixed at the lower part of the vertical installation position of the right side of the motor support (14), the sliding seat (15) is installed on the guide rail (1) in a matched mode, the fixing column (16) is installed on the side walls of the front end and the rear end of the sliding seat (15) in a front-back symmetrical mode in a 2-group-divided mode, the lifting column (17) is installed on the hollow portion in the fixing column (16) in a front-back symmetrical mode in a 2-group-divided mode, the lifting sliding grooves (18) are arranged on the inner wall of the hollow portion in the fixing column (16) in a left-right symmetrical mode in a 2-group-divided mode, the lifting sliding blocks (19) are installed on the side wall of the tail end of the lifting column (17) in a left-right symmetrical mode in a rigid mode, the lifting sliding blocks (19) are installed on the lifting sliding grooves (18) in a matched mode, and the screw grooves (20) are arranged on the hollow portion in the lifting column (17), the lifting screw (21) is arranged in the screw groove (20), the lifting screw (21) is rigidly arranged at the power output end of a lifting speed reducer (23), the lifting thread slide block (22) is rigidly arranged on the inner wall of the tail end of the screw groove (20), the lifting thread slide block (22) is arranged on the lifting screw (21) in a matching way, the lifting speed reducer (23) is fixed on a shell of a lifting motor (24) through a speed reducer support, the lifting motor (24) is rigidly arranged on the bottom surface of the hollow part in a fixed column (16), the electromagnetic chuck (25) is rigidly arranged at the head end of a lifting column (17), the electromagnetic chuck (25) is rigidly arranged on the upper end surface of a supporting disk (27), positioning channel groove (26) divide 4 groups front and back equipartitions to set up in electromagnet (25) up end, supporting disk (27) seal fit is installed inside damping slot (28) that slide (15) up end set up, inhale shake board (29) seal fit and install in damping slot (28) inside supporting disk (27) lower part position that is located, supporting spring (30) divide multiunit rectangle array equipartition rigid mounting in damping slot (28) bottom surface, inhale shake board (29) rigid mounting in supporting spring (30) upper end, protection curtain (31) cooperation is installed in guide rail (1) inside, terminal surface under slide (15) is installed to horizontal thread sliding block (32) rigid mounting, horizontal screw rod (33) rigid mounting in drive reducer (13) power output shaft, horizontal thread sliding block (32) cooperation is installed in horizontal screw rod (33).

2. A positioning jig for a milling machine according to claim 1, characterized in that the damping oil is filled between the lower end surface of the inner supporting plate (27) of the damping groove (28) and the upper end surface of the shock absorbing plate (29).

3. The positioning fixture for the milling machine according to claim 1, characterized in that the positioning slot (26) is arranged at a position corresponding to a mounting position of the self-centering chuck (3).