CN212420459U

CN212420459U - Milling machine fixture is used in aircraft part production

Info

Publication number: CN212420459U
Application number: CN202020677872.2U
Authority: CN
Inventors: 冯晓刚; 赵松男; 王兆龙; 刘锡舜; 王邦安
Original assignee: Guanglian Airlines Zhuhai Co ltd
Current assignee: Guanglian Airlines Zhuhai Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-01-29
Anticipated expiration: 2030-04-28

Abstract

The utility model relates to an aircraft is milling machine fixture for part production belongs to the fixed spacing field of mould. The upper end of the fixed seat is provided with an annular groove; the lower end of the rotary drum is in interference fit with the annular groove in the fixed seat, a plurality of sliding grooves I are formed in the outer wall of the rotary drum, and a plurality of sliding grooves II are formed in the inner wall of the rotary drum; the fixed ring is fixedly connected to the upper end of the fixed seat; the connecting ring I, the connecting ring II, the fixing ring and the rotary drum are coaxial; the clamping mechanism is in sliding fit with the sliding groove I and the sliding groove II, and the clamping mechanism is hinged with the connecting ring I. The inclination angle of the fixed seat can be adjusted through the angle adjusting device, so that the part is driven to incline, and the part with the inclined plane as a processing surface can be conveniently processed; and a clamping mechanism, a fixed ring, a movable rod and a rotary drum are also arranged, so that the upper device and the lower device can be respectively used for fixing according to the size of a part, and the purpose of adjusting the time of the fixing device back and forth is reduced.

Description

Milling machine fixture is used in aircraft part production

Technical Field

The utility model relates to an aircraft is milling machine fixture for part production belongs to the fixed spacing field of mould.

Background

The milling machine fixture is mainly used for processing planes, grooves, splines and various forming surfaces on parts, and is one of the most commonly used fixtures. The current clamp is of a single type, so that the angle of the part cannot be adjusted by the common clamp when the machining surface of the part is an inclined surface, and other methods are needed.

When the milling machine works, various parts with different lengths and sizes need to be faced, if a larger part is just machined, then a clamping mechanism with a longer time needs to be adjusted to complete the fixation, and the operation is very troublesome.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a milling machine fixture for aircraft part production for solving the above-mentioned problem that exists among the background art.

The utility model realizes the above purpose, and the technical scheme of taking is as follows:

a milling machine fixture for producing airplane parts comprises a fixed seat; the milling machine fixture for producing the airplane parts further comprises an upper circular ring, an angle adjusting device, a clamping mechanism, a connecting circular ring I, a connecting circular ring II, a fixed circular ring, a plurality of movable rods and a rotary drum; the upper end of the fixed seat is provided with an annular groove; the lower end of the rotary drum is in interference fit with the annular groove in the fixed seat, a plurality of sliding grooves I are formed in the outer wall of the rotary drum, and a plurality of sliding grooves II are formed in the inner wall of the rotary drum; each sliding groove I is communicated with the corresponding sliding groove II; the angle adjusting device is movably connected to the lower end of the fixed seat; the fixed ring is fixedly connected to the upper end of the fixed seat, and a plurality of conical grooves are uniformly distributed on the side wall of the fixed ring; one end of each movable rod is uniformly hinged to the bottom of the inner wall of the rotary drum, and each movable rod is in clearance fit with the corresponding conical groove; the connecting ring II is fixedly connected to the upper end of the fixed ring; the lower end of the connecting circular ring I is provided with a groove matched with the connecting circular ring II, and the connecting circular ring I is in clearance fit with the connecting circular ring II; the connecting ring I, the connecting ring II, the fixed ring and the rotary drum are coaxial, and the inner diameters of the connecting ring I and the fixed ring are the same; the clamping mechanism is in sliding fit with the sliding groove I and the sliding groove II, and the clamping mechanism is hinged with the connecting ring I.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model can adjust the inclination angle of the fixed seat through the angle adjusting device, thereby driving the part to incline, and facilitating the processing of the part with the processing surface being an inclined plane; and the clamping mechanism, the fixed ring, the movable rod and the rotary drum are further arranged, so that the upper device and the lower device can be used for fixing according to the size of a part, and the time for adjusting the fixing device back and forth is shortened.

Drawings

FIG. 1 is a front view of a milling jig for producing aircraft parts according to the present invention;

FIG. 2 is a front view of the angle adjusting device of the milling jig for producing aircraft parts according to the present invention;

FIG. 3 is a front view of a clamping mechanism of a milling machine jig for producing aircraft parts according to the present invention;

FIG. 4 is a top view of the clamping mechanism of the milling jig for producing aircraft parts according to the present invention;

FIG. 5 is a schematic sectional view taken along line A-A in FIG. 1;

figure 6 is the utility model discloses a fixed ring's for aircraft part production milling machine fixture front view.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

The first embodiment is as follows: as shown in fig. 1 to 6, the present embodiment describes a milling machine jig for producing aircraft parts, which includes a fixed seat 4; the milling machine fixture for producing the airplane parts further comprises an upper ring 1, an angle adjusting device 5, a clamping mechanism 6, a connecting ring I7, a connecting ring II 8, a fixed ring 9, a plurality of movable rods 10 and a rotating drum 11; an annular groove is formed in the upper end of the fixed seat 4; the lower end of the rotary drum 11 is in interference fit with the annular groove in the fixed seat 4, a plurality of sliding grooves I2 are formed in the outer wall of the rotary drum 11, and a plurality of sliding grooves II 3 are formed in the inner wall of the rotary drum 11; each sliding groove I2 is communicated with the corresponding sliding groove II 3; the angle adjusting device 5 is movably connected to the lower end of the fixed seat 4; the fixed ring 9 is fixedly connected to the upper end of the fixed seat 4, and a plurality of conical grooves 9-1 are uniformly distributed on the side wall of the fixed ring 9; one end of each movable rod 10 is uniformly hinged to the bottom of the inner wall of the rotary drum 11, and each movable rod 10 is in clearance fit with the corresponding conical groove 9-1; the connecting circular ring II 8 is fixedly connected to the upper end of the fixed circular ring 9; the lower end of the connecting circular ring I7 is provided with a groove matched with the connecting circular ring II 8, and the connecting circular ring I7 is in clearance fit with the connecting circular ring II 8; the connecting ring I7, the connecting ring II 8, the fixing ring 9 and the rotary drum 11 are coaxial, and the inner diameters of the connecting ring I7 and the fixing ring 9 are the same; chucking mechanism 6 and I2, II 3 sliding fit of spout to chucking mechanism 6 is articulated with connecting ring I7.

The second embodiment is as follows: as shown in fig. 2, the present embodiment is further described with respect to the first embodiment, in which the angle adjusting device 5 includes a bottom plate 5-1, two limiting rods i 5-2, two motor bases 5-3, two motors 5-4, two screws 5-5, two fixing rods 5-6, two sliding rods 5-7, and two inclined blocks 5-8; the two limiting rods I5-2, the two motor bases 5-3, the two motors 5-4, the two screw rods 5-5, the two fixing rods 5-6, the two sliding rods 5-7 and the two inclined blocks 5-8 are respectively and symmetrically arranged at the upper end of the bottom plate 5-1; the lower end of each inclined block 5-8 is fixedly connected to the bottom plate 5-1, and a chute III 5-9 is arranged on the inclined surface of each inclined block 5-8; the lower end of each limiting rod I5-2 is fixedly connected to the bottom plate 5-1; each motor base 5-3 is in clearance fit with the corresponding limiting rod I5-2, and a motor 5-4 is fixedly connected to each motor base 5-3; one end of each screw rod 5-5 is connected with an output shaft of the motor 5-4, and the other end of each screw rod 5-5 is in threaded fit with the slide rod 5-7; the lower end of each sliding rod 5-7 is in interference fit with the sliding groove III 5-9, and when the two sliding rods 5-7 are positioned at the uppermost ends of the sliding grooves III 5-9, the upper ends of the two sliding rods 5-7 are both contacted with the fixed seat 4, and the fixed seat 4 is in a horizontal state; the lower end of each fixed rod 5-6 is fixedly connected to the bottom plate 5-1, and the upper end of each fixed rod 5-6 is movably connected to the lower end of the fixed seat 4 through a hinge.

The third concrete implementation mode: as shown in fig. 2, the first embodiment is further described, and a connecting line between the two fixing rods 5-6 is perpendicular to a connecting line between the two limiting rods i 5-2.

The fourth concrete implementation mode: as shown in fig. 3 and 4, the present embodiment is further described with respect to the first embodiment, wherein the clamping mechanism 6 includes a plurality of movable arc plates 6-1, a plurality of elastic telescopic rods 6-2, a plurality of connecting rods 6-3, a plurality of limiting rods ii 6-4, a sliding ring 6-5, and a plurality of springs 6-6; the movable end of each elastic telescopic rod 6-2 is movably connected to the outer side of the corresponding movable arc-shaped plate 6-1 through a hinge, and the fixed end of each elastic telescopic rod 6-2 is fixedly connected to one end of the corresponding connecting rod 6-3; the other end of each connecting rod 6-3 is fixedly connected to the inner side of the sliding circular ring 6-5, and a vertical groove is formed in each connecting rod 6-3; each limiting rod II 6-4 is in clearance fit with the corresponding vertical groove; the lower ends of the springs 6-6 are fixedly connected to the upper ends of the sliding circular rings 6-5, and the upper ends of the springs 6-6 are fixedly connected to the lower end of the upper circular ring 1; the lower ends of the arc-shaped plates 6-1 are movably connected to the upper end of the connecting ring I7 through hinges; the elastic telescopic rod 6-2 is in clearance fit with the sliding groove II 3; the limiting rod II 6-4 is fixedly connected in the sliding groove I2, and the connecting rod 6-3 is in clearance fit with the sliding groove I2; the sliding ring 6-5 is in clearance fit with the rotating drum 11.

The fifth concrete implementation mode: as shown in fig. 1, this embodiment is further explained for the first embodiment, and the plurality of movable arc-shaped plates 6-1 enclose a circle, and the circle has the same inner and outer diameters as the fixed ring 9.

The utility model discloses a theory of operation is: as shown in figures 1-6, when the part clamping device is used, the part is put into a plurality of movable arc-shaped plates 6-1, if the diameter of the part is larger than the diameter of the inner circle enclosed by the plurality of movable arc-shaped plates 6-1, the sliding ring 6-5 is pressed downwards, the sliding ring 6-5 stretches the spring 6-6, and the sliding ring 6-5 drives the connecting rod 6-3 to move downwards, the connecting rod 6-3 drives the elastic telescopic rod 6-2 to move downwards, the movable end of the elastic telescopic rod 6-2 contracts and drives the movable arc-shaped plate 6-1 to rotate outwards around the hinge, then the parts are put between the movable arc plates 6-1, the sliding circular rings 6-5 are released, the movable arc-shaped plate 6-1 clamps the parts under the action of the spring 6-6 and the elastic telescopic rod 6-2; when the diameter of a part is smaller than the diameter of an inner circle enclosed by the movable arc plates 6-1, the part is placed inside the fixed circular ring 9, then the rotary drum 11 is rotated, and after the rotary drum 11 is rotated, the rotary drum 11 drives the movable rod 10 to move, so that one end of the movable rod 10, which is positioned inside the fixed circular ring 9, gradually approaches to one diameter of the rotary drum 11, and the length of one end of the movable rod 10, which is positioned inside the fixed circular ring 9, is gradually increased until the movable rod 10 abuts against the part, so that the part is clamped; the parts with larger and smaller diameters are clamped by the two mechanisms respectively, so that the time for adjusting the fixing device on the common clamp from large to small or from small to large is avoided, and the working efficiency is improved; when the angle of the part needs to be adjusted, the direction of the part needing to be inclined is superposed with a connecting line between two limiting rods I5-2, if the part needs to be inclined leftward, a motor 5-4 on the left side is started, the motor 5-4 drives a screw rod 5-5 to rotate, the screw rod 5-5 is in threaded fit with a sliding rod 5-7, the sliding rod 5-7 cannot rotate under the action of a sliding groove III 5-9, so that the sliding rod 5-7 can only move leftward along the sliding groove III 5-9, the sliding rod 5-7 moves leftward to drive the screw rod 5-5 to move downward, the screw rod 5-5 drives the motor 5-4 to drive a motor seat 5-3 to move downward, at the moment, the top end of the sliding rod 5-7 on the left side is lower than the top end of the sliding rod 5-7 on the right side, and the fixed seat 4 rotates leftward around, and incline, parts such as fixing base 4 drive chucking mechanism 6 incline to the left, accomplish the angle modulation of part.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other forms of embodiment without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A milling machine fixture for producing airplane parts comprises a fixed seat (4); the method is characterized in that: the milling machine fixture for producing the airplane parts further comprises an upper circular ring (1), an angle adjusting device (5), a clamping mechanism (6), a connecting circular ring I (7), a connecting circular ring II (8), a fixed circular ring (9), a plurality of movable rods (10) and a rotary drum (11); an annular groove is formed in the upper end of the fixed seat (4); the lower end of the rotary drum (11) is in interference fit with the annular groove in the fixed seat (4), the outer wall of the rotary drum (11) is provided with a plurality of sliding grooves I (2), and the inner wall of the rotary drum (11) is provided with a plurality of sliding grooves II (3); each sliding groove I (2) is communicated with the corresponding sliding groove II (3); the angle adjusting device (5) is movably connected to the lower end of the fixed seat (4); the fixed circular ring (9) is fixedly connected to the upper end of the fixed seat (4), and a plurality of conical grooves (9-1) are uniformly distributed on the side wall of the fixed circular ring (9); one end of each movable rod (10) is uniformly hinged to the bottom of the inner wall of the rotary drum (11), and each movable rod (10) is in clearance fit with the corresponding conical groove (9-1); the connecting circular ring II (8) is fixedly connected to the upper end of the fixed circular ring (9); the lower end of the connecting circular ring I (7) is provided with a groove matched with the connecting circular ring II (8), and the connecting circular ring I (7) is in clearance fit with the connecting circular ring II (8); the connecting circular ring I (7), the connecting circular ring II (8), the fixed circular ring (9) and the rotary drum (11) are coaxial, and the inner diameters of the connecting circular ring I (7) and the fixed circular ring (9) are the same; chucking mechanism (6) and I (2) of spout, spout II (3) sliding fit to chucking mechanism (6) are articulated with connecting ring I (7).

2. A milling machine jig for aircraft part production as claimed in claim 1, wherein: the angle adjusting device (5) comprises a bottom plate (5-1), two limiting rods I (5-2), two motor bases (5-3), two motors (5-4), two screw rods (5-5), two fixing rods (5-6), two sliding rods (5-7) and two inclined blocks (5-8); the two limiting rods I (5-2), the two motor bases (5-3), the two motors (5-4), the two screw rods (5-5), the two fixing rods (5-6), the two sliding rods (5-7) and the two inclined blocks (5-8) are respectively and symmetrically arranged at the upper end of the bottom plate (5-1); the lower end of each inclined block (5-8) is fixedly connected to the bottom plate (5-1), and a chute III (5-9) is arranged on the inclined surface of each inclined block (5-8); the lower end of each limiting rod I (5-2) is fixedly connected to the bottom plate (5-1); each motor base (5-3) is in clearance fit with the corresponding limiting rod I (5-2), and a motor (5-4) is fixedly connected to each motor base (5-3); one end of each screw rod (5-5) is connected with an output shaft of the motor (5-4), and the other end of each screw rod (5-5) is in threaded fit with the sliding rod (5-7); the lower end of each sliding rod (5-7) is in interference fit with the sliding groove III (5-9), and when the two sliding rods (5-7) are positioned at the uppermost ends of the sliding grooves III (5-9), the upper ends of the two sliding rods (5-7) are in contact with the fixed seat (4), and the fixed seat (4) is in a horizontal state; the lower end of each fixed rod (5-6) is fixedly connected to the bottom plate (5-1), and the upper end of each fixed rod (5-6) is movably connected to the lower end of the corresponding fixed seat (4) through a hinge.

3. A milling machine jig for aircraft part production as claimed in claim 2, wherein: the connecting line between the two fixing rods (5-6) is perpendicular to the connecting line between the two limiting rods I (5-2).

4. A milling machine jig for aircraft part production as claimed in claim 2, wherein: the clamping mechanism (6) comprises a plurality of movable arc-shaped plates (6-1), a plurality of elastic telescopic rods (6-2), a plurality of connecting rods (6-3), a plurality of limiting rods II (6-4), a sliding ring (6-5) and a plurality of springs (6-6); the movable end of each elastic telescopic rod (6-2) is movably connected to the outer side of the corresponding movable arc-shaped plate (6-1) through a hinge, and the fixed end of each elastic telescopic rod (6-2) is fixedly connected to one end of the corresponding connecting rod (6-3); the other end of each connecting rod (6-3) is fixedly connected to the inner side of the sliding circular ring (6-5), and a vertical groove is formed in each connecting rod (6-3); each limiting rod II (6-4) is in clearance fit with the corresponding vertical groove; the lower ends of the springs (6-6) are fixedly connected to the upper end of the sliding circular ring (6-5), and the upper ends of the springs (6-6) are fixedly connected to the lower end of the upper circular ring (1); the lower ends of the arc-shaped plates (6-1) are movably connected to the upper end of the connecting circular ring I (7) through hinges; the elastic telescopic rod (6-2) is in clearance fit with the sliding groove II (3); the limiting rod II (6-4) is fixedly connected in the sliding groove I (2), and the connecting rod (6-3) is in clearance fit with the sliding groove I (2); the sliding circular ring (6-5) is in clearance fit with the rotary drum (11).

5. A milling machine jig for aircraft part production as claimed in claim 4, wherein: the movable arc-shaped plates (6-1) enclose a circle, and the circle and the fixed ring (9) have the same inner diameter and outer diameter.