CN215510226U

CN215510226U - Numerical control indexing fixture of milling machine

Info

Publication number: CN215510226U
Application number: CN202120742251.2U
Authority: CN
Inventors: 王正涛; 魏林超; 魏学谦
Original assignee: Shandong University of Science and Technology
Current assignee: Shandong University of Science and Technology
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2022-01-14
Anticipated expiration: 2031-04-12

Abstract

The utility model discloses a milling machine numerical control indexing fixture, which comprises a movable base, a rotary disc groove, a rotary disc, a chuck, a rotary column groove, a rotary column, a large bevel gear, a small bevel gear, a rotary motor, a first motor groove, a gear groove, sliding grooves, a workbench, sliding rails, racks, a servo motor, a gear and a second motor groove, wherein the upper surface of the workbench is symmetrically provided with two sliding grooves, the bottom surface of the movable base is symmetrically fixed with two sliding rails matched with the sliding grooves, the movable base is connected with the workbench in a sliding way through the sliding rails and the sliding grooves, the lower end of the side wall of the movable base is fixed with the racks, the upper surface of the workbench is positioned below the racks and is provided with the second motor groove, and the servo motor is fixed in the second motor groove, the indexing clamping device can accurately process disk-shaped workpieces at multiple angles through the rotation of the rotary motor and the adjustment of a reference mark and an angle mark, the servo motor rotates to linearly process the workpiece, and the device is simple in structure, convenient to operate and safe to use.

Description

Numerical control indexing fixture of milling machine

Technical Field

The utility model relates to the technical field of milling machine fixtures, in particular to a milling machine numerical control indexing fixture.

Background

The milling machine is a machine tool with wide application, and can process planes (horizontal planes and vertical planes), grooves (key grooves, T-shaped grooves, dovetail grooves and the like), tooth dividing parts (gears, spline shafts and chain wheels), spiral surfaces (threads and spiral grooves) and various curved surfaces on the milling machine. In addition, the method can be used for machining the surface and inner hole of the revolving body, cutting off the revolving body, and the like. When a milling machine works, a workpiece is arranged on a workbench or accessories such as an indexing head, the milling cutter rotates into main motion, the feeding motion of the workbench or the milling head is assisted, the workpiece can obtain a required processing surface, a fixture used by the conventional milling machine is clamped by manual operation, the adjustment for changing the processing position is inconvenient, the angle is not easy to grasp for disc hole processing, and therefore, the numerical control indexing fixture for the milling machine is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a milling machine numerical control indexing fixture to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a milling machine numerical control indexing fixture comprises a moving base, a rotating disc groove, a rotating disc, a chuck, a rotating column groove, a rotating column, a large bevel gear, a small bevel gear, a rotating motor, a first motor groove, a gear groove, sliding grooves, a workbench, sliding rails, racks, a servo motor, gears and a second motor groove, wherein the upper surface of the workbench is symmetrically provided with the two sliding grooves;

the improved rotary table is characterized in that a rotary table groove is formed in the upper surface of the moving base, a rotary table groove is formed in the center of the inner portion of the moving base, the rotary table groove is communicated with the rotary table groove, the rotary table is fixedly connected with the rotary table, the rotary table is rotatably connected with the rotary table groove through a bearing, a chuck is arranged on the upper surface of the rotary table, a gear groove is formed in the side wall of the rotary table groove, a large bevel gear is arranged in the gear groove, the large bevel gear is sleeved on the outer side of the rotary table, a first motor groove is communicated with the side wall of the gear groove, a rotating motor is fixed in the first motor groove, a small bevel gear is fixed at the output end of the rotating motor, and the small bevel gear is meshed with the large bevel gear and is connected with the large bevel gear.

Preferably, the reference mark is marked on the edge of the turntable groove on the upper surface of the movable base, the angle mark is marked on the edge of the upper surface of the turntable, and the angles of the angle mark are respectively 30 °, 45 °, 60 °, 90 °, 120 °, 150 ° and 180 °.

Preferably, the side wall of the movable base is provided with a screw hole at the horizontal position of the turntable groove, and the screw hole is internally engaged with a bolt.

Preferably, a rubber layer is fixed at the bottom end of the bolt.

Preferably, the sliding groove and the sliding rail are convex.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the indexing clamping device, a workpiece is fixed on a chuck, a rotating motor is started to rotate a turntable, when a reference mark is aligned to an angle mark to be zero degree, the rotating motor is turned off, a bolt is screwed down for machining, after hole milling is completed, the bolt is loosened, the turntable is rotated, the next machining angle is determined according to the reference mark, and the indexing clamping device is used for accurately machining the disc-shaped workpiece in multiple angles through rotation of the rotating motor and adjustment of the reference mark and the angle mark.

2. According to the indexing clamping device, the bolts are screwed down for processing, after the processing is finished, the servo motor is started, the linear position of the movable base is moved, the next processing is carried out, the indexing clamping device rotates through the servo motor to carry out linear processing on a workpiece, and the indexing clamping device is simple in structure, convenient to operate and safe to use.

Drawings

FIG. 1 is a schematic cross-sectional view of a mobile base according to the present invention;

FIG. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic side view of the present invention.

In the figure: 1. a movable base; 2. a turntable groove; 3. a turntable; 4. a chuck; 5. a screw hole; 6. a bolt; 7. a column rotating groove; 8. turning the column; 9. a large bevel gear; 10. a small bevel gear; 11. rotating the motor; 12. a first motor slot; 13. a gear groove; 14. a reference mark; 15. marking an angle; 16. a chute; 17. a work table; 18. a slide rail; 19. a rack; 20. a servo motor; 21. a gear; 22. a second motor slot; 23. a rubber layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a milling machine numerical control indexing fixture comprises a moving base 1, a rotating disc groove 2, a rotating disc 3, a chuck 4, a rotating column groove 7, a rotating column 8, a large bevel gear 9, a small bevel gear 10, a rotating motor 11, a first motor groove 12, a gear groove 13, a sliding groove 16, a workbench 17, a sliding rail 18, a rack 19, a servo motor 20, a gear 21 and a second motor groove 22, wherein the upper surface of the workbench 17 is symmetrically provided with two sliding grooves 16, the bottom surface of the moving base 1 is symmetrically fixed with two sliding rails 18 matched with the sliding grooves 16, the moving base 1 is connected with the workbench 17 in a sliding manner through the sliding rails 18 and the sliding grooves 16, the lower end of the side wall of the moving base 1 is fixed with the rack 19, the upper surface of the workbench 17 is positioned below the rack 19 and provided with the second motor groove 22, the servo motor 20 is fixed in the second motor groove 22, the output shaft of the servo motor 20 is fixed with the gear 21, and the gear 21 is meshed with the rack 19;

the improved rotary table is characterized in that a rotary table groove 2 is formed in the upper surface of a movable base 1, a rotary table groove 7 is formed in the center of the interior of the movable base 1, the rotary table groove 7 is communicated with the rotary table groove 2, a rotary table 3 is fixedly connected with a rotary table 8, the rotary table 8 is rotatably connected with the rotary table groove 7 through a bearing, a chuck 4 is arranged on the upper surface of the rotary table 3, a gear groove 13 is formed in the side wall of the rotary table groove 7, a large bevel gear 9 is arranged in the gear groove 13, the large bevel gear 9 is sleeved on the outer side of the rotary table 8, a first motor groove 12 is communicated with the side wall of the gear groove 13, a rotary motor 11 is fixed in the first motor groove 12, a small bevel gear 10 is fixed to the output end of the rotary motor 11, and the small bevel gear 10 is meshed with the large bevel gear 9.

The edge of the upper surface of the movable base 1, which is positioned on the turntable groove 2, is marked with a reference mark 14, the edge of the upper surface of the turntable 3 is marked with an angle mark 15, and the angles of the angle mark 15 are respectively 30 degrees, 45 degrees, 60 degrees, 90 degrees, 120 degrees, 150 degrees and 180 degrees, so that the machining angle can be conveniently compared and adjusted, and the machining is more accurate.

The lateral wall of the movable base 1 is located at the horizontal position of the turntable groove 2 and is provided with a screw hole 5, the screw hole 5 is internally meshed with a bolt 6 to fix the angle of the turntable 3, and the change of the angle of the turntable 3 in the machining process and the machining inaccuracy are prevented.

The bottom end of the bolt 6 is fixed with a rubber layer 23, the rubber layer 23 is soft in texture and large in friction, the fixing effect on the rotary table 3 is good, and the rotary table 3 is prevented from being damaged due to excessive extrusion.

The sliding grooves 16 and the sliding rails 18 are convex, so that the sliding connection between the mobile base 1 and the workbench 17 is more stable.

The working principle is as follows: if the circumference of the disc-shaped workpiece is milled, the workpiece is fixed on the chuck 4, the rotating motor 11 is started to rotate the turntable 3, when the reference mark 14 is aligned with the angle mark 15 by zero degree, the rotating motor 11 is closed, the bolt 6 is screwed up for processing, after hole milling is completed, the bolt 6 is loosened, the turntable 3 is rotated, the next machining angle is determined based on the reference mark 14, and if the workpiece is machined in a straight line position, the bolt 6 is tightened, the workpiece is processed, after the first processing is finished, the servo motor 20 is started, the linear position of the movable base 1 is moved, the next processing is carried out, the indexing clamping device is used for adjusting the reference mark 14 and the angle mark 15 through the rotation of the rotating motor 11, the disc-shaped workpiece is precisely machined in multiple angles, the workpiece is linearly machined by the rotation of the servo motor 20, and the disc-shaped workpiece machining device is simple in structure, convenient to operate and safe to use.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a milling machine numerical control graduation anchor clamps, includes moving base (1), carousel groove (2), carousel (3), chuck (4), bolt (6), column groove (7), column (8), big bevel gear (9), little bevel gear (10), rotation motor (11), first motor groove (12), gear groove (13), spout (16), workstation (17), slide rail (18), rack (19), servo motor (20), gear (21) and second motor groove (22), its characterized in that: the upper surface of the workbench (17) is symmetrically provided with two sliding grooves (16), the bottom surface of the movable base (1) is symmetrically fixed with two sliding rails (18) matched with the sliding grooves (16), the movable base (1) is connected with the workbench (17) in a sliding mode through the sliding rails (18) and the sliding grooves (16), the lower end of the side wall of the movable base (1) is fixed with a rack (19), the upper surface of the workbench (17) is positioned below the rack (19) and provided with a second motor groove (22), a servo motor (20) is fixed in the second motor groove (22), an output shaft of the servo motor (20) is fixed with a gear (21), and the gear (21) is meshed with the rack (19); the upper surface of the movable base (1) is provided with a turntable groove (2), the center of the interior of the movable base (1) is provided with a rotary column groove (7), the rotary column groove (7) is communicated with the rotary disc groove (2), the rotary disc (3) is fixedly connected with the rotary column (8), the rotary column (8) is rotationally connected with the rotary column groove (7) through a bearing, the upper surface of the rotary table (3) is provided with a chuck (4), a gear groove (13) is arranged on the side wall of the rotating column groove (7), a large bevel gear (9) is arranged in the gear groove (13), the large bevel gear (9) is sleeved outside the rotary column (8), the side wall of the gear groove (13) is communicated with a first motor groove (12), and a rotating motor (11) is fixed in the first motor groove (12), a small bevel gear (10) is fixed at the output end of the rotating motor (11), and the small bevel gear (10) is meshed with the large bevel gear (9).

2. The numerical control indexing fixture for milling machines according to claim 1, characterized in that: the upper surface of the movable base (1) is marked with a reference mark (14) at the edge of the turntable groove (2), an angle mark (15) is marked at the edge of the upper surface of the turntable (3), and the angles of the angle mark (15) are respectively 30 degrees, 45 degrees, 60 degrees, 90 degrees, 120 degrees, 150 degrees and 180 degrees.

3. A numerically controlled indexing fixture for milling machines according to claim 2, wherein: the side wall of the movable base (1) is positioned at the horizontal position of the turntable groove (2) and is provided with a screw hole (5), and the screw hole (5) is internally engaged with a bolt (6).

4. The numerical control indexing fixture for milling machines according to claim 1, characterized in that: and a rubber layer (23) is fixed at the bottom end of the bolt (6).

5. The numerical control indexing fixture for milling machines according to claim 1, characterized in that: the sliding groove (16) and the sliding rail (18) are convex.