CN217225277U

CN217225277U - Wing rib part vacuum tool

Info

Publication number: CN217225277U
Application number: CN202221200594.7U
Authority: CN
Inventors: 朱志辉; 何杰; 付小青
Original assignee: Zhejiang Xizi Bingrui Aviation Industry Co ltd
Current assignee: Zhejiang Xizi Bingrui Aviation Industry Co ltd
Priority date: 2022-05-19
Filing date: 2022-05-19
Publication date: 2022-08-19
Anticipated expiration: 2032-05-19

Abstract

The utility model provides a rib part vacuum tool, which is used for fixing a rib part and comprises a base, a rib part adsorption area and a vacuum air extractor, wherein the base is provided with at least one vacuum suction hole; the wing rib part adsorption section comprises a vacuum sinking platform which is arranged on the base installation surface and is matched with the outline of the wing rib part, a first sealing adsorption piece is arranged on the periphery of the vacuum sinking platform, a first vent groove is formed in the inner side of the sealing adsorption piece, a plurality of air suction holes are formed in the vacuum sinking platform and are respectively communicated with the vent groove, and the vacuum suction holes, the air suction holes and the first vent groove are sequentially communicated to form an air suction vacuum channel; the vacuum suction device is communicated with the vacuum suction hole. The utility model discloses a wing rib part vacuum frock enables the part atress in the course of working even, effectively reduces the part and warp.

Description

Wing rib part vacuum tool

Technical Field

The utility model belongs to the technical field of the tooling equipment, especially, relate to a rib part vacuum frock.

Background

On the basis of current conventional digit control machine tool processing aircraft rib part, because raw and other materials, part structure problem, there are some parts self basically, the deformation problem of raw and other materials, in addition the influence of traditional clamping mode, all can only remove to apply pressure through the mode of local point contact and compress tightly the clamping part, make the part atress inhomogeneous in the course of working, very easily let the part produce anomalous deformation, lead to the part to be poor scrapped, and aircraft rib part value, the cost is higher, the processing degree of difficulty is big, machining efficiency is not high, comparatively consume the process time.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a vacuum tool for rib parts, which aims to solve the technical problems that the existing clamping mode can only apply pressure to press and clamp parts in a local point contact mode, so that the parts are stressed unevenly in the processing process, the parts are easy to deform irregularly, and the parts are scrapped excessively,

in order to achieve the above object, the utility model provides a rib part vacuum frock includes:

the vacuum suction device comprises a base, a vacuum suction device and a control device, wherein at least one vacuum suction hole is formed in the base;

the wing rib part adsorption section comprises a vacuum sinking platform which is arranged on the base installation surface and is matched with the outline of the wing rib part, a first sealing adsorption piece is arranged on the periphery of the vacuum sinking platform, a first vent groove is formed in the inner side of the sealing adsorption piece, a plurality of air suction holes are formed in the vacuum sinking platform and are respectively communicated with the first vent groove, and the vacuum suction holes, the air suction holes and the first vent groove are sequentially communicated to form an air suction vacuum channel; and the number of the first and second groups,

and the vacuum suction device is communicated with the vacuum suction hole.

Preferably, the sealing adsorption piece is further provided with a first adhesive tape sealing groove, and a rubber sealing strip is embedded and connected in the first adhesive tape sealing groove.

Preferably, the upper surface of the vacuum sinking platform is provided with a plurality of groups of sealed avoiding areas matched with the shapes of the wing rib parts, the periphery of at least one sealed avoiding area is provided with a second vent groove, the air suction holes are respectively communicated with the second vent grooves, and the vacuum suction holes, the second vent grooves and the air suction holes form air suction vacuum channels.

Preferably, the seal avoiding area is further provided with a second rubber strip seal groove, and a rubber seal strip is embedded and connected in the second rubber strip seal groove.

Preferably, a part clamping hole is formed in the center of at least one seal avoiding area and used for quickly clamping a wing rib part.

Preferably, the rubber sealing strip, the first adhesive tape sealing groove and the second adhesive tape sealing groove are in interference fit, and are arranged at 1/3 positions higher than the vacuum sinking platform.

Preferably, the base is provided with an appearance avoiding groove, and the appearance avoiding groove is internally surrounded to form a wing rib part adsorption area.

Preferably, a plurality of compression holes are formed in the appearance avoiding groove and the vacuum sinking platform and matched with holes in the rib part blank so as to fix the rib part blank on the base through screws.

Preferably, the vacuum suction device comprises at least one vacuum suction pipe, a connecting pipe and a vacuum pump, and the vacuum pump is communicated with the connecting pipe, the vacuum suction pipe and the vacuum suction hole in sequence.

Preferably, the connecting pipe comprises a three-way connecting pipe and a vacuum pump hose, the pipe orifice of the vacuum suction pipe is connected with one end of the three-way connecting pipe, the other end of the three-way connecting pipe is connected with the vacuum pump hose, and the vacuum pump hose is communicated with a vacuum pump.

The technical scheme of the utility model among, adsorb the interval through setting up the wing rib part on the base to arrange the vacuum sink table on the base with the wing rib part, leaning on and leaning on first sealed absorption piece on the back, vacuum air exhaust device bleeds form the negative pressure in the vacuum sink table, and then tightly adsorb the wing rib part on the base. The utility model provides a vacuum tool can effectively reduce the part and warp, guarantees the parts machining quality, has also reduced artificial intervention simultaneously and has compressed tightly the risk that the mode brought with the change.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of a0 detail in FIG. 1;

FIG. 3 is a schematic view of a1 detail in FIG. 1;

fig. 4 is a schematic view of a part being clamped on the vacuum tool of the present invention;

in the figure: 1-a base, 2-a first sealing avoidance area, 3-a vacuum sinking platform, 4-a second sealing avoidance area, 5-a vacuum pressure switch, 6-a vacuum suction hole, 7-an appearance avoidance groove, 8-a locking hole, 9-a tooling positioning hole, 10-a part positioning hole, 11-a first adhesive tape sealing groove, 12-a first vent groove, 13-a part avoidance hole, 14-a third sealing avoidance area, 15-a part clamping hole, 16-a second adhesive tape sealing groove, 17-a second vent groove, 18-a connecting vacuum pump hose, 19-a three-way connecting pipe, 20-an air suction hole, 21-a vacuum suction pipe and 22-a sealing groove.

Detailed Description

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

For a better description and illustration of embodiments of the application, reference may be made to one or more of the drawings, but additional details or examples for describing the drawings should not be construed as limiting the scope of any of the inventive concepts of the present application, the presently described embodiments, or the preferred versions.

In the description of the present invention, it should be noted that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate the positional relationship based on the positional relationship shown in the drawings, and are only for convenience of description of the present invention, but do not indicate that the device referred to must have a specific orientation or be operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

When current conventional digit control machine tool processes aircraft wing rib part, because raw and other materials, part structure problem all has the deformation problem of some parts self, raw and other materials basically, in addition the influence of traditional clamping mode, all can only exert pressure through the mode of local point contact and compress tightly the clamping part for the part atress is inhomogeneous in the course of working, very easily lets the part produce anomalous deformation, leads to the part to exceed poor scrapping.

In view of this, the utility model provides a rib part vacuum frock for fixed rib part please refer to fig. 1-4, in an embodiment of the utility model, it includes base 1, rib part adsorbs interval and vacuum pumping device to the rib part vacuum frock. Wherein, at least one vacuum suction hole 6 is arranged on the base 1; the wing rib part adsorption section comprises a vacuum sinking platform 3 which is arranged on the installation surface of the base 1 and is matched with the outline of the wing rib part, a first sealing adsorption piece is arranged on the periphery of the vacuum sinking platform 3, a first vent groove 12 is arranged on the inner side of the sealing adsorption piece, a plurality of air suction holes 20 are arranged in the vacuum sinking platform 3, the air suction holes 20 are respectively communicated with the first vent groove 12 and the vacuum suction hole 6, and the vacuum suction hole 6 is sequentially communicated with the air suction hole 2 and the first vent groove 12 to form an air suction vacuum channel; the vacuum suction device is communicated with the vacuum suction hole 6. The vacuum pumping means includes a vacuum pump or other device capable of pumping air.

The technical scheme of the utility model in, adsorb the interval through setting up the wing rib part on the base to arrange the heavy platform of vacuum on the base with the wing rib part in, paste to lean on and adsorb on the piece at first sealed back, vacuum air exhaust device bleeds form the negative pressure in the heavy platform of vacuum, and then tightly adsorb the wing rib part on the base. The utility model provides a vacuum tool can effectively reduce the part and warp, guarantees the parts machining quality, has also reduced artificial intervention simultaneously and has compressed tightly the risk that the mode brought with the change.

In this embodiment, for making sealed effect better, sealed absorption piece still is equipped with first adhesive tape seal groove 11, it is connected with the rubber seal strip to close in the first adhesive tape seal groove 11. Preferably, the rubber seal strip in the first adhesive tape seal groove is just to the rib part setting, and then can hug closely when adsorbing to promote the sealed effect when adsorbing, adsorb more tightly more stably.

Because the profile of the wing rib part is provided with a plurality of bulges, the upper surface of the vacuum sinking platform 3 is provided with a plurality of groups of sealed avoiding areas matched with the profile of the wing rib part, the periphery of at least one sealed avoiding area is provided with a second vent groove 17, similarly, the air suction holes 20 are respectively communicated with the second vent grooves 12, and the vacuum suction holes 6, the air suction holes 20 and the second vent grooves 17 form an air suction vacuum channel. The rib parts can be tightly adsorbed by the sealing avoiding area in the continuous vacuum-pumping process.

In order to further improve the sealing effect during adsorption, please refer to fig. 3, the seal avoiding region is further provided with a second adhesive tape seal groove 16, and a rubber seal strip is embedded and connected in the second adhesive tape seal groove 16. Of course, the rubber sealing strip in the sealing groove of the second rubber strip is also arranged right opposite to the wing rib part.

Referring to fig. 1 and 3, a part clamping hole 15 is formed in the center of at least one of the seal avoiding regions, and correspondingly, a mounting hole is also formed in a rib part blank for rapidly clamping a rib part, and the clamping mode may be a bolt fixing mode. Of course, the embodiment of the present invention is not limited to this, and a magnetic attraction manner may also be adopted, for example, magnetic members are respectively disposed on the wing rib part blank and the part clamping hole, so as to achieve a fixing effect.

It should be noted that the sealing avoidance areas can be divided into several types, please refer to fig. 1-3, a plurality of groups of first sealing avoidance areas 2, second sealing avoidance areas 4, third sealing avoidance areas 14 and part avoidance holes 13 are arranged in the upper surface of the vacuum sinking platform 3, wherein the part clamping holes 15 are arranged in the center of the third sealing avoidance areas 14, the outer sides of the part avoidance holes 13 are also provided with adhesive tape sealing grooves 22 around the parts, and the effects are similar to those described above and are not described in detail again.

For further promoting the sealed effect when adsorbing, rubber seal strip and first adhesive tape seal groove 11, second adhesive tape seal groove 16 are interference fit, and set up in 1/3 department of 3 height of heavy platform of vacuum higher than, like this in when vacuum sinks 3 internal negative pressures of platform, rubber seal strip can form the extrusion with wing rib part blank, but can not lead to wing rib part blank contact the mesa of the heavy platform of vacuum 3, the adsorption efficiency is better.

Please refer to fig. 1-3, the base 1 is provided with a shape avoiding groove 7, the shape avoiding groove 7 is surrounded to form a rib part adsorption section, because the contour of the rib part blank is not convenient to adsorb, the shape avoiding groove 7 is arranged on the base 1 to avoid, so as to prevent mistaken collision and further fix parts.

For fixing the rib part on the base, a plurality of compression holes (not shown in the figure) are formed in the appearance avoiding groove 7 and the vacuum sinking platform 3 and are matched with holes in the rib part blank, and the rib part blank is fixed on the base 1 by using screws.

It should be noted that the vacuum pumping device includes at least one vacuum suction pipe 21, an adapter pipe and a vacuum pump, and the vacuum pump is sequentially communicated with the adapter pipe, the vacuum suction pipe 21 and the vacuum suction hole 6, so as to pump the space in the vacuum sinking platform 3 to form a negative pressure.

Specifically, referring to fig. 1, the connection tube includes a three-way connection tube 19 and a vacuum pump hose, in this embodiment, two vacuum suction holes 6, two vacuum suction tubes 21 and two three-way connection tubes 19 are provided, a tube opening of the vacuum suction tube 21 is connected to one end of the three-way connection tube 19, the other end of the three-way connection tube 19 is connected to the vacuum pump hose, the three-way connection tubes 19 are communicated with each other, and the vacuum pump hose is communicated with a vacuum pump. Moreover, each connecting point among the vacuum suction pipe 21, the three-way connecting pipe 19, the vacuum pump hose and the vacuum pump is provided with a sealing adhesive tape, so that the air suction process is more stable.

Furthermore, a digital display vacuum gauge is arranged on the vacuum pump, and the vacuum pump hose is made of tetrafluoroethylene. The reason why the tetrafluoroethylene is selected to connect the vacuum pump is that the working principle of the vacuum pump is negative pressure adsorption, the communicating pipe is required to have certain strength, and the hose 18 for connecting the vacuum pump is made of tetrafluoroethylene, so that the hose has excellent chemical stability, corrosion resistance, sealing property, high lubrication non-adhesiveness, electrical insulation property and good ageing resistance, and the material performance of the hose meets the use requirement.

The utility model discloses a theory of operation is: when a part is machined, the base 1 is connected with a machine tool workbench through screws, the vacuum pump is sequentially connected with the vacuum pump hose 18, the three-way connecting pipe 19 and the vacuum suction pipe 21, then the vacuum sinking platform 3 and the rib part blank are utilized to realize quick positioning and clamping through the corresponding part positioning holes 10, then the rib part blank is clamped through the part clamping holes 15 through the mounting holes in the rib part blank and is locked through the screws. When the vacuum pump works, the sealing area in the vacuum sinking platform 3 generates negative pressure through the air exhaust holes 6, the first vent grooves 12 and the second vent grooves 17, and then the parts are adsorbed. The technical scheme of the utility model in, adopt vacuum adsorption and the mode that screw locking combines between part and the heavy platform of vacuum 3, guarantee the stability of part in the course of working.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a rib part vacuum frock for fixed aircraft rib part, its characterized in that includes:

the device comprises a base (1), wherein at least one vacuum suction hole (6) is formed in the base (1);

the wing rib part adsorption section comprises a vacuum sinking platform (3) which is arranged on the installation surface of the base (1) and is matched with the outline of the wing rib part, a first sealing adsorption piece is arranged on the periphery of the vacuum sinking platform (3), a first vent groove (12) is arranged on the inner side of the sealing adsorption piece, a plurality of air suction holes (20) are formed in the vacuum sinking platform (3), the air suction holes (20) are respectively communicated with the first vent groove (12), and the vacuum suction holes (6), the air suction holes (20) and the first vent groove (12) are sequentially communicated to form an air suction vacuum channel; and the number of the first and second groups,

and the vacuum suction device is communicated with the vacuum suction hole (6).

2. The vacuum tooling for the wing rib part according to claim 1, wherein the sealing adsorption piece is further provided with a first rubber strip sealing groove (11), and a rubber sealing strip is embedded and connected in the first rubber strip sealing groove (11).

3. The rib part vacuum tool according to claim 2, wherein the upper surface of the vacuum sinking platform (3) is provided with a plurality of groups of sealed avoiding areas matched with the profile of the rib part, the periphery of at least one of the sealed avoiding areas is provided with a second vent groove (17), the air pumping holes (20) are respectively communicated with the second vent grooves (17), and the vacuum pumping holes (6), the second vent grooves (17) and the air pumping holes (20) form air pumping vacuum channels.

4. The vacuum tool for the rib parts according to claim 3, wherein the seal avoiding region is further provided with a second rubber strip sealing groove (16), and a rubber sealing strip is embedded and connected in the second rubber strip sealing groove (16).

5. The rib part vacuum tool according to claim 3 or 4, wherein a part clamping hole is formed in the center of at least one seal avoiding area and used for rapidly clamping a rib part.

6. The wing rib part vacuum tool according to claim 4, wherein the rubber sealing strip, the first adhesive tape sealing groove (11) and the second adhesive tape sealing groove (16) are in interference fit, and are arranged at 1/3 which is higher than the vacuum sinking platform (3).

7. The rib part vacuum tool according to claim 1, wherein an outline avoiding groove (7) is formed in the base (1), and an absorption area for the rib part is formed by surrounding the outline avoiding groove (7).

8. The rib part vacuum tool according to claim 7, wherein a plurality of compression holes are formed in the shape avoiding groove (7) and the vacuum sinking platform (3), and the plurality of compression holes are matched with the holes in the rib part blank so as to fix the rib part blank on the base (1) by using screws.

9. The rib part vacuum tooling as claimed in claim 1, wherein the vacuum pumping device comprises at least one vacuum suction pipe (21), a connecting pipe and a vacuum pump, and the vacuum pump is communicated with the connecting pipe, the vacuum suction pipe (21) and the vacuum suction hole (6) in sequence.

10. The rib part vacuum tooling as claimed in claim 9, wherein the connecting pipe comprises a three-way connecting pipe (19) and a vacuum pump hose, the nozzle of the vacuum suction pipe (21) is connected with one end of the three-way connecting pipe (19), the other end of the three-way connecting pipe (19) is connected with the vacuum pump hose, and the vacuum pump hose is communicated with a vacuum pump.