CN212169656U

CN212169656U - Rib parts machining precision device

Info

Publication number: CN212169656U
Application number: CN202020567726.4U
Authority: CN
Inventors: 范建校; 魏海涛
Original assignee: Xi'an Xinghang Aviation Technology Co ltd
Current assignee: Xi'an Xinghang Aviation Technology Co ltd
Priority date: 2020-04-16
Filing date: 2020-04-16
Publication date: 2020-12-18
Anticipated expiration: 2030-04-16

Abstract

The embodiment of the application discloses rib part machining precision device, including aluminium system frock base, aluminium system frock base's fixed surface installs rings, be provided with the mistake proofing device on aluminium system frock base's the outer wall, the interface of bleeding has been seted up to aluminium system frock base's lateral wall. This rib parts machining precision device, through the gas vent from the air vent with between aluminium system fixture base and the part, the kneck suction of bleeding, utilize atmospheric pressure's effect to adsorb the part on aluminium system fixture base's surface, and cooperate the clamp plate subassembly to the fixed of part, stability in the part machining process has been guaranteed, the effectual problem of vibration in the processing of having solved, and because aluminium system fixture base and the matching of part size, guarantee the whole web size uniformity of part, and the processing can not cause the inside new stress concentration of part, the deformation problem of part has been solved simultaneously, the qualification rate of part has been improved.

Description

Rib parts machining precision device

Technical Field

The application relates to the technical field of part machining, in particular to a rib part machining precision device.

Background

With the rapid development of aerospace science and technology, the development of an aviation aircraft is faster and faster, the requirements on the quality of various high-precision parts on the aircraft are higher and higher, and the conventional ARJ21 rib part belongs to a framework part in a wing box and has the characteristics of thin wall, theoretical profiles of two side edge plates and complex structure. The deformation of parts is big in the course of working, easy warpage has reduced the quality of part, has increased the defective rate of part to because this type of part volume is big, it is high to cut the processing degree of difficulty, can't guarantee in the course of working that the size of part is unanimous, leads to the size of part to have the difference.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present application proposes a rib part machining precision apparatus to improve the above problems.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a rib part machining precision device, includes aluminium system frock base, aluminium system frock base's fixed surface installs rings, be provided with the mistake proofing device on aluminium system frock base's the outer wall, the interface of bleeding has been seted up to aluminium system frock base's lateral wall, the equal fixed mounting in surface at aluminium system frock base both ends has the clamp plate subassembly, the benchmark hole has been seted up in the central line department at aluminium system frock base both ends, seal groove and air channel have been seted up on aluminium system frock base's surface, aluminium system frock base's surface is equipped with the blow vent.

Optionally, the surface of aluminium system frock base is provided with the connecting block, the connecting block symmetric distribution is at the both ends of aluminium system frock base, the benchmark hole is located the surface of connecting block, the one end of clamp plate subassembly extends to the top of connecting block.

Optionally, the clamp plate assembly comprises a pressing block, a fixing bolt and a guide rod, the guide rod is fixedly connected to the surface of the aluminum tooling base, the guide rod penetrates through the inside of the pressing block, a fixing groove is formed in the surface of the pressing block, the fixing bolt is sleeved in the inner part of the fixing groove, and one end of the fixing bolt is rotatably connected to the inside of the aluminum tooling base.

Optionally, the number of the pressing plate assemblies is four, the pressing plate assemblies are respectively located at two ends of the aluminum tooling base, the hanging rings are located at two sides of each pressing plate assembly, and the error-proofing device is located between every two adjacent pressing plate assemblies.

Optionally, the seal groove criss-cross and evenly distributed are on the surface of aluminium system frock base, the blow vent is located the crossing department of seal groove.

Optionally, the air channel is located the edge of aluminium system frock base and encircles around aluminium system frock base, the seal groove is located the middle part that the air channel encircles the circle that forms.

The application provides a pair of rib parts machining precision equipment possesses following beneficial effect:

1. this rib parts machining precision device, through the gas vent from the air vent with between aluminium system fixture base and the part, the kneck suction of bleeding, utilize atmospheric pressure's effect to adsorb the part on aluminium system fixture base's surface, and cooperate the clamp plate subassembly to the fixed of part, stability in the part machining process has been guaranteed, the effectual problem of vibration in the processing of having solved, and because aluminium system fixture base and the matching of part size, guarantee the whole web size uniformity of part, and the processing can not cause the inside new stress concentration of part, the deformation problem of part has been solved simultaneously, the qualification rate of part has been improved.

2. This rib parts machining precision device plays location, the effect of contrast when installing on aluminium system frock base to the part through mistake proofing device and benchmark pore pair part, avoids the condition of pressing from both sides dress mistake or dislocation between part and the aluminium system frock base, has solved because the unqualified problem of parts machining that the mounted position inaccuracy leads to, has reduced the waste of preparation part material, has reduced parts machining's cost.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a rib part machining precision device according to an embodiment of the present application;

fig. 2 shows a part clamping implementation diagram of a rib part machining precision device provided by the embodiment of the application.

In the figure: 1. an aluminum tooling base; 2. a hoisting ring; 3. a mistake proofing device; 4. an air extraction interface; 5. a platen assembly; 6. a reference hole; 7. a vent; 8. a sealing groove; 9. a vent groove.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.

Referring to fig. 1 to 2, the present invention provides a technical solution: a rib part machining precision device comprises an aluminum tooling base 1, a lifting ring 2 is fixedly installed on the surface of the aluminum tooling base 1, an error-proofing device 3 is arranged on the outer wall of the aluminum tooling base 1, the error-proofing device 3 is a cylindrical block and plays a role in comparison, the situation that parts are placed wrongly by people in the machining process is avoided, an air suction interface 4 is formed in the side wall of the aluminum tooling base 1, an air suction device is connected into the air suction interface 4 to adsorb the parts firmly, pressing plate assemblies 5 are fixedly installed on the surfaces of two ends of the aluminum tooling base 1 respectively, each pressing plate assembly 5 comprises a pressing block, a fixing bolt and a guide rod, the guide rods are fixedly connected to the surface of the aluminum tooling base 1 and penetrate through the inside of the pressing block, the guide rods play a role in guiding, meanwhile, the pressing block can be prevented from falling off, a fixing groove is formed in the surface of the pressing block, a fixing bolt is movably, the pressing block is connected with the aluminum tooling base 1 through the fixing bolts, so that two pressing pieces are extruded between the aluminum tooling base 1 and the pressing block, the stability of parts is ensured, the number of the pressing plate assemblies 5 is four and are respectively positioned at two ends of the aluminum tooling base 1, the pressing plate assemblies 5 are used for fixing the parts on the aluminum tooling base 1, the stability of the connection of the parts and the aluminum tooling base 1 is improved, the parts are prevented from shaking in the machining process, the hanging rings 2 are positioned at two sides of the pressing plate assemblies 5, the error-proofing devices 3 are positioned between two adjacent pressing plate assemblies 5, the number of the error-proofing devices 3 is one, the center lines of the two ends of the aluminum tooling base 1 are provided with reference holes 6, the surface of the aluminum tooling base 1 is provided with connecting blocks which are symmetrically distributed at two ends of the aluminum tooling base 1, the reference holes 6 are positioned on the surface of the connecting blocks, one end, the connecting block and the aluminum tool base 1 are integrally formed, the shape of the aluminum tool base 1 is the same as that of a part, a reference hole 6 on the part is overlapped with a reference hole 6 on the device, then the aluminum tool base 1 is fixed by using a bolt, hole boring of the reference hole 6 is finished, so that the tool is overlapped with the reference hole 6 on the tool in the later period, the accuracy of the reference is ensured, a sealing groove 8 and a vent groove 9 are formed in the surface of the aluminum tool base 1, the sealing groove 8 is criss-cross and uniformly distributed on the surface of the aluminum tool base 1, the vent groove 9 is positioned at the edge of the aluminum tool base 1 and surrounds the periphery of the aluminum tool base 1, the sealing groove 8 is positioned in the middle of a ring formed by the vent groove 9 in a surrounding mode, a vent 7 is arranged on the surface of the aluminum tool base 1, an inner cavity of the aluminum tool base 1 is, air is sucked out of the air vent 7 between the aluminum tooling base 1 and the part through the air suction device connected with the air suction port 4, so that the part is adsorbed on the surface of the aluminum tooling base 1 under the action of atmospheric pressure.

In summary, the precision device for machining the rib part provided by the application is used, firstly, the part is placed on the surface of the aluminum tooling base 1, the reference hole 6 in the part is overlapped with the reference hole 6 in the surface of the aluminum tooling base 1, the bolt is used for fixing, the middle part of the part cannot be detected due to the large span of the web plate surface of the part, whether the part is tightly attached or not can be judged by sound through knocking of an eraser hammer, secondly, after the feeler gauge detects that the gap between the aluminum tooling base 1 and the part is smaller than 0.05mm, four corners of the part are fixed on the surface of the aluminum tooling base 1 through the pressure plate assembly 5, finally, the switch at the air exhaust interface 4 is opened, and the part is firmly adsorbed through the air suction device.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not necessarily depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.

Claims

1. The utility model provides a rib parts machining precision device, includes aluminium system frock base (1), its characterized in that: the surface fixed mounting of aluminium system frock base (1) has rings (2), be provided with mistake proofing device (3) on the outer wall of aluminium system frock base (1), bleed interface (4) have been seted up to the lateral wall of aluminium system frock base (1), the equal fixed mounting in surface at aluminium system frock base (1) both ends has pressure plate subassembly (5), benchmark hole (6) have been seted up to the central line department at aluminium system frock base (1) both ends, seal groove (8) and air channel (9) have been seted up on the surface of aluminium system frock base (1), the surface of aluminium system frock base (1) is equipped with blow vent (7).

2. A rib member machining precision apparatus according to claim 1, wherein: the surface of aluminium system frock base (1) is provided with the connecting block, the connecting block symmetric distribution is at the both ends of aluminium system frock base (1), benchmark hole (6) are located the surface of connecting block, the one end of clamp plate subassembly (5) extends to the top of connecting block.

3. A rib member machining precision apparatus according to claim 1, wherein: the clamp plate component (5) comprises a pressing block, a fixing bolt and a guide rod, the guide rod is fixedly connected to the surface of the aluminum tooling base (1), the guide rod penetrates through the inside of the pressing block, a fixing groove is formed in the surface of the pressing block, the fixing bolt is sleeved in the inner part of the fixing groove, and one end of the fixing bolt is rotatably connected to the inside of the aluminum tooling base (1).

4. A rib member machining precision apparatus according to claim 1, wherein: the quantity of clamp plate subassembly (5) is four and is located the both ends of aluminium system frock base (1) respectively, rings (2) are located the both sides of clamp plate subassembly (5), mistake proofing device (3) are located the centre of two adjacent clamp plate subassemblies (5).

5. A rib member machining precision apparatus according to claim 1, wherein: seal groove (8) vertically and horizontally staggered and evenly distributed are on the surface of aluminium system frock base (1), blow vent (7) are located the crossing department of seal groove (8).

6. A rib member machining precision apparatus according to claim 1, wherein: the air channel (9) is located the edge of aluminium system frock base (1) and encircles aluminium system frock base (1) all around, seal groove (8) are located air channel (9) and encircle the middle part of the circle that forms.