CN214290533U

CN214290533U - Press plate forming tool for aircraft ventilation window

Info

Publication number: CN214290533U
Application number: CN202022714114.6U
Authority: CN
Inventors: 侯旭
Original assignee: Guizhou Xinan Aviation Machinery Co Ltd
Current assignee: Guizhou Xinan Aviation Machinery Co Ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-09-28
Anticipated expiration: 2030-11-20

Abstract

The utility model discloses a pressing plate forming tool for an aircraft ventilation window, which is used for assisting in processing a pressing plate for the aircraft ventilation window, wherein the pressing plate is in a frame shape with a side edge having a space radian, and each side edge is also provided with a plurality of conical holes; the aircraft is clamp plate shaping frock for ventilation window includes mould and lower mould, the lower mould has the holding surface that pastes with the clamp plate downside, go up the mould have with the clamp plate on the side paste the die mould face that is cut, it is provided with a plurality of brace tables to surround on the lower mould, be provided with the guide shaft with brace table fixed connection on the brace table perpendicularly to be provided with the screw hole on the brace table, go up and be provided with the location platform relative with the brace table on the mould, be provided with on the location platform and allow guide shaft male guide hole to be provided with the via hole on the location platform, the die mould face is relative with the holding surface, makes and goes up mould and lower mould and removes in opposite directions, the guide shaft inserts the guide hole to pass via hole and screw hole threaded connection through the screw.

Description

Press plate forming tool for aircraft ventilation window

Technical Field

The utility model relates to an aircraft is clamp plate processing technology for the ventilation window, especially aircraft is clamp plate shaping frock for ventilation window.

Background

The ventilation window is a passage for ventilating the cockpit, communicating with ground service and having a wider visual field when the aircraft is in a shutdown state and air service personnel enter the cockpit. Wherein the press plate is one of the fittings that connects the glass to the sash. If the pressing plate is deformed after being processed, the deviation of the normal taper hole is large, great troubles can be caused to the assembly of the ventilating window assembly, meanwhile, the air tightness of the window body cannot be guaranteed, and a large amount of manpower and time are needed to be spent for adjusting and repairing. In order to solve the problems, a forming tool capable of improving the processing precision of a product needs to be designed.

The existing processing method is to manually roll the appearance of a part after a blank part is processed with a tapered hole in a horizontal state, and the processing mode is quick and economic, but cannot well meet the requirement of product assembly precision. The problem that the normal direction of the threaded hole for installing the pressure plate and the window body is inconsistent occurs in actual assembly, and the pressure plate needs to be adjusted repeatedly for repair. Frequent adjustment and repair can also affect the sealing performance of the sealing tape, and the glass following the assembly can also be damaged, thereby generating huge research and development cost.

For solving the position accuracy problem of clamp plate curved surface appearance shaping and normal direction taper hole, the utility model discloses a design that milling machine frock and forming die combine has characteristics such as frock integration degree height, machining precision height, cost economy.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the utility model provides an aircraft is clamp plate shaping frock for ventilation window for the supplementary processing aircraft is clamp plate for ventilation window.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the forming tool for the press plate for the aircraft ventilation window is used for assisting in machining the press plate for the aircraft ventilation window, the press plate is in a frame shape with spatial radian on the side edge, and a plurality of conical holes are formed in each side edge; the aircraft is clamp plate shaping frock for ventilation window includes mould and lower mould, the lower mould has the holding surface that pastes with the clamp plate downside, go up the mould have with the clamp plate on the side paste the die mould face that is cut, it is provided with a plurality of brace tables to surround on the lower mould, be provided with the guide shaft with brace table fixed connection on the brace table perpendicularly to be provided with the screw hole on the brace table, go up and be provided with the location platform relative with the brace table on the mould, be provided with on the location platform and allow guide shaft male guide hole to be provided with the via hole on the location platform, the die mould face is relative with the holding surface, makes and goes up mould and lower mould and removes in opposite directions, the guide shaft inserts the guide hole to pass via hole and screw hole threaded connection through the screw.

On the basis of the above scheme and as a preferable scheme of the scheme: and the upper die and the lower die are both provided with weight-reducing cutting grooves.

On the basis of the above scheme and as a preferable scheme of the scheme: and a guide sleeve is arranged in the guide hole.

On the basis of the above scheme and as a preferable scheme of the scheme: the guide sleeve is a graphite oilless bushing.

On the basis of the above scheme and as a preferable scheme of the scheme: the via hole is a counter bore.

On the basis of the above scheme and as a preferable scheme of the scheme: the upper die is provided with avoidance holes which are one-to-one opposite to the tapered holes.

On the basis of the above scheme and as a preferable scheme of the scheme: the lower die is provided with avoidance grooves which are one-to-one opposite to the tapered holes.

On the basis of the above scheme and as a preferable scheme of the scheme: and a screw hole opposite to the tapered hole is formed in the bottom of the avoiding groove.

On the basis of the above scheme and as a preferable scheme of the scheme: the processing method comprises the following steps:

s1, cutting the plate used for manufacturing the press plate for the airplane ventilating window into a blank with the shape machining allowance;

s2, placing the blank on the lower die supporting surface, and profiling the blank by the upper die and the lower die through the profiling surface matched with the supporting surface;

s3, the upper die and the lower die are fixedly connected with the threaded hole through a screw passing through the through hole and the threaded hole, and a tapered hole is machined through the avoidance hole by using a machining center machine tool;

s4, standing the blank piece without separating the upper die and the lower die for stabilizing the shape of the blank piece;

s5, detaching the upper die, and fixedly connecting the blank piece with the lower die by utilizing the threaded fit of a screw passing through the tapered hole and the screw hole;

and S6, removing the appearance machining allowance of the blank by using a machining tool to obtain the press plate for the airplane ventilation window.

On the basis of the above scheme and as a preferable scheme of the scheme: the standing time in step S4 is 24-36 hours, preferably 48 hours.

The beneficial effects of the utility model reside in that:

the utility model provides an aircraft is clamp plate shaping frock for ventilation window for the supplementary clamp plate that processes aircraft is used for ventilation window.

Drawings

FIG. 1 is a schematic structural view of a press plate forming tool for an aircraft ventilation window of the present invention;

FIG. 2 is an exploded view of the press plate forming tool for an aircraft ventilation window of the present invention;

fig. 3 is a partial schematic view of the lower mold of the present invention.

In the figure: the device comprises a pressing plate-1, a tapered hole-2, an upper die-3, a lower die-4, a supporting surface-5, a profiling surface-6, a supporting table-7, a guide shaft-8, a threaded hole-9, a positioning table-10, a guide hole-11, a through hole-12, a screw-13, a weight-reducing cutting groove-14, a guide sleeve-15, an avoiding hole-16, an avoiding groove-17 and a screw hole-18.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention.

Referring to fig. 1-3, the press plate forming tool for the aircraft ventilation window is used for assisting in processing a press plate 1 for the aircraft ventilation window, wherein the press plate 1 is in a frame shape with spatial radian at side edges, and each side edge is also provided with a plurality of tapered holes 2; aircraft is clamp plate shaping frock for ventilation window includes mould 3 and lower mould 4, lower mould 4 has and presses 1 downside subsides eager holding surface 5 with the clamp plate, go up mould 3 have with the clamp plate 1 on the side subsides eager die mould face 6, it is provided with a plurality of brace tables 7 around on the lower mould 4, be provided with the guide shaft 8 with brace table 7 fixed connection on the brace table 7 perpendicularly to be provided with screw hole 9 on brace table 7, upward be provided with on the mould 3 with brace table 7 relative location platform 10, be provided with on the location platform 10 and allow guide shaft 8 male guide hole 11 to be provided with via hole 12 on the location platform 10, die mould face 6 is relative with holding surface 5, makes and goes up mould 3 and lower mould 4 and removes in opposite directions, guide shaft 8 inserts guide hole 11 to pass via hole 12 and screw hole 9 threaded connection through screw 13.

The utility model discloses a clamp plate shaping frock for aircraft ventilation window for the supplementary clamp plate for processing aircraft ventilation window. When the plate-shaped blank is used, the plate-shaped blank with the shape machining allowance is manufactured firstly, and then the blank is extruded and pressed through the interaction of the pressing surface 6 and the supporting surface 5, so that the extension molding machining of the pressing plate is realized. Wherein the guide shaft 8 and the guide hole 11 are matched with each other to realize the positioning and guiding function. The connection of the screw 13 is used for keeping the shape of the pressing plate and for standing stability. The external force for the compression and extension may be applied by a hydraulic machine for high efficiency.

Further, the inner sides of the upper and lower dies 3 and 4 may be cut to form weight-reducing grooves 14 for reducing the weight of the upper and lower dies 3 and 4.

Furthermore, a guide sleeve 15 is arranged in the guide hole 11, the guide sleeve is good in lubricating effect and wear-resistant, and the guide shaft is guided and positioned through the guide sleeve, so that the guide shaft is inserted into the guide sleeve to achieve a better using effect. Wherein the guide sleeve 15 is a graphite oilless bushing.

Further, the via hole 12 is a countersunk hole.

Further, the upper die 3 has avoidance holes 16 one-to-one opposed to the tapered holes 2.

Further, the lower die 4 has escape grooves 17 one-to-one opposed to the tapered holes 2.

Further, the bottom of the avoiding groove 17 is provided with a screw hole 18 opposite to the tapered hole 2.

The processing method comprises the following steps:

s1, cutting the plate used for manufacturing the press plate 1 for the airplane ventilating window into a blank with the shape machining allowance;

s2, placing the blank on the supporting surface 5 of the lower die 4, and profiling the blank by using the profiling surface 6 to match the supporting surface 5 through the upper die 3 to the lower die 4;

s3, the upper die 3 and the lower die 4 are fixedly connected with the threaded hole 9 through the screw 13 penetrating through the through hole 12, and the tapered hole 2 is processed through the avoidance hole 16 by using a machining center machine tool;

s4, standing in a state where the upper die 3 and the lower die 4 are not separated, for stabilizing the shape of the blank;

s5, detaching the upper die 3, and fixedly connecting the blank piece with the lower die 4 by utilizing a screw to pass through the tapered hole 2 and be in threaded fit with the screw hole 18;

and S6, removing the appearance machining allowance of the blank by using a machining tool to obtain the press plate 1 for the aircraft ventilation window.

The standing time of the step S4 is 24-36 hours, and experiments show that the requirement of stable modeling is met and the phase ratio can be improved, and the standing time is preferably 48 hours.

The upper die cavity and the lower die cavity are processed based on the curved surface appearance of the part, and the upper die cavity and the lower die cavity can be used as forming dies to roll the blank piece to form the curved surface appearance of the blank piece after being closed; the upper die cavity and the lower die cavity are processed to form corresponding normal holes based on the positions of the part holes, the upper die cavity and the lower die cavity can be used as drilling dies, and taper holes with high position precision can be drilled; the part can be fixed on the lower die cavity by utilizing the normal hole of the lower die cavity, and the lower die cavity can be used as a milling machine fixture for finish milling the appearance. The forming die can complete the workload of three tools.

The utility model discloses an aircraft is clamp plate shaping frock for ventilation window concentrates on one set of frock with the function of three kinds of frocks of moulded die, jig, milling machine anchor clamps, has reduced the parts machining clamping number of times, has improved the parts machining precision, has still reduced the processing cost of part simultaneously, has shortened the manufacturing cycle of frock, has also shortened the test cycle of product.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The forming tool for the press plate for the aircraft ventilation window is used for assisting in machining the press plate (1) for the aircraft ventilation window, the press plate (1) is in a frame shape with spatial radian at the side edges, and a plurality of conical holes (2) are formed in each side edge; the method is characterized in that: the press plate forming tool for the aircraft ventilation window comprises an upper die (3) and a lower die (4), wherein the lower die (4) is provided with a supporting surface (5) which is attached to the lower side surface of the press plate (1), the upper die (3) is provided with a pressing surface (6) which is attached to the upper side surface of the press plate (1), the lower die (4) is provided with a plurality of supporting tables (7) in an encircling manner, the supporting tables (7) are vertically provided with guide shafts (8) which are fixedly connected with the supporting tables (7), the supporting tables (7) are provided with threaded holes (9), the upper die (3) is provided with a positioning table (10) which is opposite to the supporting tables (7), the positioning table (10) is provided with guide holes (11) which allow the guide shafts (8) to be inserted, the positioning table (10) is provided with through holes (12), the pressing surface (6) is opposite to the supporting surface (5), and the upper die (3) and the lower die (4) are moved in opposite to each other, the guide shaft (8) is inserted into the guide hole (11) and penetrates through the through hole (12) through a screw (13) to be in threaded connection with the threaded hole (9).

2. The press plate forming tool for the aircraft ventilation window as claimed in claim 1, wherein: the upper die (3) and the lower die (4) are both provided with weight-reducing cutting grooves (14).

3. The press plate forming tool for the aircraft ventilation window as claimed in claim 1, wherein: and a guide sleeve (15) is arranged in the guide hole (11).

4. The press plate forming tool for the aircraft ventilation window as claimed in claim 3, wherein: the guide sleeve (15) is a graphite oilless bushing.

5. The press plate forming tool for the aircraft ventilation window as claimed in claim 1, wherein: the via hole (12) is a counter bore.

6. The press plate forming tool for the aircraft ventilation window as claimed in claim 1, wherein: the upper die (3) is provided with avoidance holes (16) which are opposite to the conical holes (2) one by one.

7. The press plate forming tool for the aircraft ventilation window, according to claim 6, is characterized in that: the lower die (4) is provided with avoidance grooves (17) which are opposite to the tapered holes (2) one by one.

8. The press plate forming tool for the aircraft ventilation window, according to claim 7, is characterized in that: and a screw hole (18) opposite to the conical hole (2) is formed at the bottom of the avoiding groove (17).