CN201841301U - Vertical fin crossing surface milling device - Google Patents

Abstract

The utility model discloses a vertical fin crossing surface milling device, which is characterized in that a bottom plate is fixedly arranged at the upper part of a trolley arranged on a sectional frame, the bottom plate is provided with a rack and a linear guide rail, a gear and a hand wheel are fixedly connected with a gear shaft, the gear shaft is arranged on a gear seat, a slide plate is fixed with the gear seat and a locking block, a guide rail part of the linear guide rail is connected with the bottom plate, a slide block of the linear guide rail is connected with the bottom of the slide plate, a mechanical slide table is arranged at the upper part of the slide plate, a milling head is vertically arranged at the side surface of the mechanical slide table through a right-angle support seat, a milling cutter is arranged on a main shaft of the milling head through a cutter holder, and the end part of the linear guide rail is provided with a baffle plate. The milling device is ingeniously combined in the general design of a general assembly sectional frame, the structure is simple, and the practicability is high. The planeness of the vertical fin crossing surface after being processed by the device reaches the design requirements, and the difficult problems of the aircraft processing process are solved.

Description

Vertical fin interface milling attachment

Technical field

The utility model relates to the machining servicing unit in the aircraft manufacturing, particularly vertical fin interface milling attachment.

Background technology

The aircraft rear body is installed the flatness franchise 0.1mm of vertical fin interface, and rear body is the aluminum alloy thin wall construction, and the interface that process is made up of some small boss faces, so milling has its particularity.Milling cutter is circular finger-like cutter, milling speed continuously variable, and milling depth is as far as possible little, and milling cutter can be at three-dimensional space motion, and only such milling face of processing could satisfy required precision.The machining process of interface generally all adopts artificial way of polishing at present, and working (machining) efficiency is low, and plane precision is difficult to guarantee, is difficult to satisfy the high-quality requirement of aeronautical product.

Summary of the invention

The purpose of this utility model is, solves the problem in the processing of vertical fin interface, makes a kind of servicing unit of machining, uses this device can increase substantially the milling speed and the precision of vertical fin interface.

The utility model is to be achieved through the following technical solutions its purpose, vertical fin interface milling attachment, comprise: handwheel, gear, tooth bar, base plate, dolly, milling cutter, milling head, bearing, line slideway, mechanical skid plateform, latch segment, slide plate, baffle plate, gear shaft, pinion stand, dolly is the part of aircraft general assembly type frame, dolly top on the type frame is installed with base plate, base plate is equipped with tooth bar and line slideway, gear is fixedlyed connected gear shaft with handwheel, gear shaft is installed on the pinion stand, slide plate is fixed with pinion stand and latch segment, the rail sections of line slideway links to each other with base plate, the slide block of line slideway links to each other with the bottom of slide plate, mechanical skid plateform is installed on slide plate top, milling head is vertically mounted on the side of mechanical skid plateform by the right angle bearing, milling cutter is contained in by knife bar on the main shaft of milling head, and the termination of line slideway is provided with baffle plate.

The utility model has the advantages that milling attachment is ingenious to be incorporated in the master-plan of general assembly type frame, simple and practical property is strong, adopts the flatness of the vertical fin interface after this device is processed to reach designing requirement, has solved an aviation processing technology difficult problem.

Description of drawings

Fig. 1 is a front view of the present utility model

Fig. 2 is a vertical view of the present utility model

Among the figure: 1 handwheel, 2 gears, 3 tooth bars, 4 base plates, 5 dollies, 6 milling cutters, 7 milling heads, 8 bearings, 9 line slideways, 10 mechanical skid plateforms, 11 latch segments, 12 slide plates, 13 baffle plates, gear shaft 14, pinion stand 15.

The specific embodiment

Now the utility model is described in further detail in conjunction with the accompanying drawings, referring to Fig. 1 and Fig. 2, vertical fin interface milling attachment, comprise: handwheel 1, gear 2, tooth bar 3, base plate 4, dolly 5, milling cutter 6, milling head 7, bearing 8, line slideway 9, mechanical skid plateform 10, latch segment 11, slide plate 12, baffle plate 13, gear shaft 14, pinion stand 15, dolly 5 is the part of aircraft general assembly type frame, dolly 5 tops on the type frame are installed with base plate 4, base plate 4 is equipped with tooth bar 3 and line slideway 9, gear 2 is fixedlyed connected gear shaft 14 with handwheel 1, gear shaft 14 is installed on the pinion stand 15, slide plate 12 is fixed with pinion stand 15 and latch segment 11, the rail sections of line slideway 9 links to each other with base plate 4, the slide block of line slideway 9 links to each other with the bottom of slide plate 12, mechanical skid plateform 10 is installed on slide plate 12 tops, milling head 7 is vertically mounted on the side of mechanical skid plateform 10 by right angle bearing 8, and milling cutter 6 is contained in by knife bar on the main shaft of milling head 7, and the termination of line slideway 9 is provided with baffle plate 13.

Operating process of the present utility model: the Y direction is manual, base plate 4 is installed on the dolly 5 on type frame top, tooth bar 3 and line slideway 9 are contained on the base plate 4, gear 2 and handwheel 1 are contained on the gear shaft 14, and gear shaft 14 is contained on the pinion stand 15, and pinion stand 15 and latch segment 11 are contained on the slide plate 12, rotate handwheel 1, the milling attachment that drives slide plates 12 and mounted thereto by gear 2, tooth bar 3 moves along line slideway 9, moves to when specifying machining position, with latch segment 11 lockings.Directions X can be realized Milling Process, the rail sections of line slideway 9 links to each other with base plate 4, the slide block of line slideway 9 links to each other with the bottom of slide plate 12, mechanical skid plateform 10 is contained in slide plate 12 tops, milling head 7 is vertically mounted on the side of mechanical skid plateform 10 by right angle bearing 8, milling cutter 6 is contained in by knife bar on the main shaft of milling head 7, and milling head 7 is finished Milling Process by mechanical skid plateform 10 feed motions, and feed distance can be controlled by travel switch.Milling depth can be controlled by the adjusting device that milling head 7 carries.

Vertical fin interface milling attachment, design adopts similar gantry to mill version, dolly 5 is the part portion mounted thereto of aircraft general assembly type frame, dolly 5 can be along type frame guide rail movement, base plate 4 is installed in dolly 5 tops, mechanical skid plateform 10 is installed on the base plate 4 by slide plate 12, line slideway 9, and milling head 7 is vertically mounted on the side of mechanical skid plateform 10 by the right angle base, to realize the vertical processing to the vertical fin face.The core component of milling attachment is mechanical skid plateform 10 and milling head 7, other parts realize that for it technological action designs, milling head 7 (TX25A-N) provides and rotatablely moves, power of motor 2.2Kw, gear drive, to be motor drive the milling spindle rotation by a pair of reduction gearing to its operation principle, and circular finger cutter 6 is by knife bar and the main shaft realization Milling Process that is connected as a single entity; Mechanical skid plateform 10 (HJ25-II) be used to provide feed motion, and its operation principle is that motor drives the slide unit table top and accurately moves along the slide unit guide rail by transmission device, feed screw nut pair.The milling attachment operation principle: the milling object be in accompanying drawing 2 double dot dash lines shown in 12 small boss faces, be distributed in the zone of vertical fin interface 1200mm * 280mm, in the accompanying drawing, directions X is the milling position, milling cutter is accurately aimed at processed boss face, start milling head and mechanical skid plateform 10 movement buttons and finish the Milling Process of two boss face of directions X, 12 small boss faces are distributed in 6 machining position, the motion of each machining position (Y direction) can move up and down milling attachment by manual driven along line slideway, lock with latch segment 11 after moving to the appointment machining position, milling depth (Z direction) can move up and down by manual adjustments screw rod drive milling head 7 main shaft sliding sleeves and control, and screw rod band dial can be realized accurate depth adjustment.Mechanical skid plateform 10, milling head 7 all adopt variable-frequency stepless speed-regulating, have so both simplified frame for movement, and what is more important can find the milling parameter (speed and the amount of feeding) that satisfies processing request fully by test in the scope of frequency conversion permission.The vertical fin interface is at rear body, and forebody, middle machine body, rear body are fixed on the general assembly type frame with clamp respectively and finish general assembly, and rear vertical type milling vertical fin interface is finished in general assembly.The milling milling attachment that finishes leaves the aircraft that machining area is convenient to after the general assembly with dolly 5 and hangs out the type frame.

Claims (1)

1. vertical fin interface milling attachment, comprise: handwheel [1], gear [2], tooth bar [3], base plate [4], dolly [5], milling cutter [6], milling head [7], bearing [8], line slideway [9], mechanical skid plateform [10], latch segment [11], slide plate [12], baffle plate [13], gear shaft [14], pinion stand [15], dolly [5] is the part of aircraft general assembly type frame, it is characterized in that, dolly on the type frame [5] top is installed with base plate [4], base plate [4] is equipped with tooth bar [3] and line slideway [9], gear [2] is fixedlyed connected gear shaft [14] with handwheel [1], gear shaft [14] is installed on the pinion stand [15], slide plate [12] is fixed with pinion stand [15] and latch segment [11], the rail sections of line slideway [9] links to each other with base plate [4], the slide block of line slideway [9] links to each other with the bottom of slide plate [12], mechanical skid plateform [10] is installed on slide plate [12] top, milling head [7] is vertically mounted on the side of mechanical skid plateform [10] by right angle bearing [8], milling cutter [6] is contained in by knife bar on the main shaft of milling head [7], and the termination of line slideway [9] is provided with baffle plate [13].

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