Positioning clamp system for automatic drilling and riveting of wall plate and using method of positioning clamp system

Abstract

The invention discloses a positioning fixture system for automatic drilling and riveting of a wallboard and a using method of the positioning fixture system, and belongs to the technical field of connection and processing of aircraft parts. A positioning clamp system for automatic drilling and riveting of a wallboard comprises a tool base, the tool base is provided with two supporting cross beams which are oppositely arranged, two supporting clamping plates are arranged between the two supporting cross beams and used for supporting the wallboard, the positioning clamp system is further provided with a set of positioning assemblies used for positioning the wallboard, and the positioning assemblies comprise a plurality of tool hole positioning assemblies. The multiple tool hole positioning assemblies are distributed on the two supporting cross beams and used for conducting hole positioning on the upper frame edge of the wall plate. The positions of the tool holes in the two ends of the frame edge are accurately positioned through the tool hole positioning assembly, so that the problem that the size of the assembly is out of tolerance due to gravity deformation or assembly stress accumulation in the assembly assembling and drilling and riveting machining process is solved.

Description

Technical Field

[0001] The invention relates to the technical field of aircraft component connection processing, and in particular to a positioning fixture system for automatic drilling and riveting of wall panels and a use method thereof. Background Art

[0002] In the field of aerospace technology, automatic drilling and riveting technology is widely used, and the automatic drilling and riveting rate in aircraft structure assembly is gradually increasing. Specifically, when processing the wall panel, the positioning fixture includes two supporting beams arranged opposite to each other, and two supporting pallets are arranged between the two supporting beams. The curvature of the supporting pallet is adapted to the curvature of the wall panel, and each supporting pallet is provided with an ear positioning component. In practice, the two sides of the wall panel assembly are connected and positioned by the ear positioning components on the supporting pallet.

[0003] The technical problem with the prior art is that after complex structures such as frame edges and door frame frames are assembled on the wall panels, since the door frame frame is located in the middle of the component structure and has a high positioning accuracy, and the spacing span between the ear positioning components on both sides is large, gravity deformation or assembly stress accumulation may easily occur during the assembly and drilling and riveting process, resulting in unqualified conditions such as component dimensional tolerance or stress concentration. Summary of the invention

[0004] In order to overcome the problem that the external dimensions of components are easily out of tolerance in the existing automatic drilling and riveting of wall panels, the present invention provides a positioning fixture system for automatic drilling and riveting of wall panels and a method for using the same.

[0005] The technical solution adopted by the present invention to solve its technical problem is:

[0006] A positioning fixture system for automatic drilling and riveting of wall panels comprises a tooling base having two supporting beams arranged opposite to each other, two supporting clamps being arranged between the two supporting beams for supporting the wall panels, and a group of positioning components for positioning the wall panels. The positioning components comprise a plurality of tool hole positioning components, and the plurality of tool hole positioning components are distributed on the two supporting beams for positioning holes on the frame edges of the wall panels.

[0007] In the present application, the tool hole positioning assembly is used to accurately position the tool holes at both ends of the frame edge to avoid component size deviations caused by gravity deformation or assembly stress accumulation during component assembly and drilling and riveting processes.

[0008] In some embodiments, the positioning assembly further includes a plurality of ear positioning assemblies, and the plurality of ear positioning assemblies are relatively distributed on the supporting card plate, so that the two sides of the wall panel can be connected and positioned through the ear positioning assemblies.

[0009] In some embodiments, the positioning assembly further includes a plurality of wall panel support assemblies, which are relatively distributed on two support crossbeams and are used to support the wall panel surface; both the wall panel support assembly and the tool hole positioning assembly are detachably connected to the support crossbeam.

[0010] In some embodiments, a tooling positioning is connected to the tooling base.

[0011] In some embodiments, the lug positioning assembly distributed on one of the support plates is set as circular hole positioning, and the lug positioning assembly distributed on the other support plate is set as oblong hole positioning.

[0012] In some embodiments, it includes two groups of positioning assemblies, both of which are detachably connected to the support crossbeam and are respectively used for the left wall panel and the right wall panel with symmetrical structures.

[0013] The present invention also provides a method for using a positioning fixture system for automatic drilling and riveting of wall panels, which includes the following steps:

[0014] S10. Before installing the wall panel installation frame edge and the door frame skeleton, connect and position the wall panel through the lug positioning assembly, and perform drilling and riveting processing on the stringers on the wall panel;

[0015] S20. Install the frame edge and the door frame skeleton on the wall panel;

[0016] S30. Connect and position the wall panel through the tool hole positioning assembly, and perform drilling and riveting processing on the frame edge on the wall panel.

[0017] In some embodiments, the positioning assembly further includes a plurality of wall panel support assemblies, which are relatively distributed on two support crossbeams and are used to support the wall panel surface, including the following steps:

[0018] S1. Before installing the wall panel installation frame edge and the door frame skeleton, connect and position the wall panel through the lug positioning assembly, assist in supporting the wall panel through the wall panel support assembly, and perform drilling and riveting processing on the stringers on the wall panel;

[0019] S2. Install the frame edge and the door frame skeleton on the wall panel;

[0020] S3. Remove the wall panel support assembly on the support crossbeam, and install the tool hole positioning assembly on the support crossbeam;

[0021] S4. Connect and position the wall panel through the tool hole positioning assembly, and perform drilling and riveting processing on the frame edge on the wall panel.

[0022] Furthermore, when using the tool hole positioning assembly to connect and position the wall panel, the lug positioning assembly is not used.

[0023] The beneficial effects of the present invention are:

[0024] The tool hole positioning component accurately positions the tool hole positions at both ends of the frame edge to avoid problems such as dimensional tolerance exceeding of the component caused by gravity deformation or assembly stress accumulation during component assembly and drilling and riveting processes; for the distributed machining of stringers and frame edges by automatic drilling and riveting, it is realized through the detachable tooling on the same support cross beam, which is beneficial to ensuring the product appearance and can improve the application coverage rate of automatic drilling and riveting. Moreover, the tooling positioning can also be used as a set or a group, reducing costs and the overall occupied space of the clamping tools. Brief Description of the Drawings

[0025] Figure 1 Schematic diagram of the positioning fixture system for automatic drilling and riveting of the panel assembly provided by the present invention for the left door frame Figure 1 ;

[0026] Figure 2 is Figure 1 The enlarged structure diagram of the middle support card board in

[0027] Figure 3 is Figure 1 The enlarged structure diagram of the panel support assembly in

[0028] Figure 4 Schematic diagram of the positioning fixture system for automatic drilling and riveting of the panel assembly provided by the present invention for the left door frame Figure 2 ;

[0029] Figure 5 is Figure 4 The enlarged structure diagram of the tool hole positioning component in

[0030] Figure 6 Schematic diagram of the positioning fixture system for automatic drilling and riveting of the panel assembly provided by the present invention for the right door frame Figure 1 ;

[0031] Figure 7 Schematic diagram of the positioning fixture system for automatic drilling and riveting of the panel assembly provided by the present invention for the right door frame Figure 2 .

[0032] In the figure, the marks are: 1 - tooling base; 11 - support cross beam; 12 - support card board; 2 - tooling positioning; 3 - lug positioning component; 4 - panel support assembly; 5 - tool hole positioning component. Detailed Embodiment

[0033] The present invention will be further described below with reference to the drawings.

[0034] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not used to limit the present invention.

[0035] As Figures 1 - 7 shown, the present invention provides a positioning fixture system for automatic drilling and riveting of wall panels and its usage method.

[0036] As Figure 4 and Figure 5 shown, the positioning fixture system for automatic drilling and riveting of wall panels includes a tooling base 1. The tooling base 1 has two support crossbeams 11 arranged oppositely. Between the two support crossbeams 11, there are two support clamping plates 12 for supporting the wall panel. Looking down, the two support crossbeams 11 and the two support clamping plates 12 enclose a rectangle.

[0037] There is also a set of positioning components for positioning the wall panel. The positioning components include multiple tool hole positioning components 5. The multiple tool hole positioning components 5 are distributed on the two support crossbeams 11 for hole positioning of the upper frame edge of the wall panel.

[0038] In the practice of this embodiment, tool holes are opened at both ends of the door frame edge. The positions of the tool hole positioning components 5 are designed according to the positions of the tool holes on the door frame edge for positioning and connecting the wall panel.

[0039] In this application, the tool hole positioning components 5 accurately position the positions of the tool holes at both ends of the frame edge to avoid problems such as dimensional tolerance exceeding of the components caused by gravity deformation or assembly stress accumulation during the component assembly and drilling and riveting processes.

[0040] As Figures 1 - 3 shown, further, in this embodiment, the positioning components further include multiple lug positioning components 3. The multiple lug positioning components 3 are relatively distributed on the support clamping plates 12, so that both sides of the wall panel can be connected and positioned through the lug positioning components 3.

[0041] The setting of the lug positioning components 3 on the support clamping plates 12 is prior art and will not be elaborated here.

[0042] Through the lug positioning components 3 on the support clamping plates 12 and the tool hole positioning components 5 on the support crossbeams 11, this tooling can be used for positioning and connecting the upper and lower sides of the wall panel, and can also achieve positioning and connecting the left and right sides of the wall panel.

[0043] Specifically, when using the lug positioning components 3, it is convenient for automatic drilling and riveting processing of open areas such as skin + stringer and skin + stiffener. It can not only achieve single - structure riveting with a simple path, improve the assembly efficiency, but also expand the coverage of automatic drilling and riveting. When using the tool hole positioning components 5, it is convenient for processing the frame edge and avoiding problems such as dimensional tolerance exceeding or stress concentration during assembly and processing.

[0044] In this embodiment, the positioning assembly further includes a plurality of wall panel support assemblies 4, which are relatively distributed on two support crossbeams 11 for supporting the wall panel surface; both the wall panel support assembly 4 and the tool hole positioning assembly 5 are detachably connected to the support crossbeam 11. When the wall panel is positioned and connected by the tool hole positioning assembly 5, the wall panel support assembly 4 provides auxiliary support for the middle part of the wall panel, improving the processing accuracy. The wall panel support assembly 4 is designed according to the shape of the wall panel, assisting the main support to realize product support and facilitating the guarantee of the product shape.

[0045] In this embodiment, a tooling base 1 is connected with a tooling positioning 2. In this application, the automatic drilling and riveting for the distributed processing of stringers and frame flanges are realized through the detachable tooling on the same support crossbeam 11, which is beneficial to ensuring the product shape and can improve the application coverage rate of automatic drilling and riveting. And the tooling positioning 2 here can also be used as a set or a group, reducing the cost and the overall occupied space of the clamping tools.

[0046] The application coverage rate of automatic drilling and riveting here refers to the application ratio of using the automatic drilling and riveting process to complete the assembly of components in the production process of aircraft wall panel components to the entire component assembly.

[0047] In this embodiment, the lug positioning assembly 3 distributed on one of the support plates 12 is set as round hole positioning, and the lug positioning assembly 3 distributed on the other support plate 12 is set as oblong hole positioning to adaptively adjust the assembly and eliminate the assembly error.

[0048] As Figure 6 and Figure 7 shown, in this embodiment, there are two groups of positioning assemblies, both of which are detachably connected to the support crossbeam 11 and are respectively used for the left and right wall panels with symmetrical structures.

[0049] Combined with the foregoing, the positioning assembly is configured into two groups here, respectively adapted to the left and right wall panels. Through the detachable connection method, a fixture system that can be flexibly interchanged and applied to the left and right doorframe wall panels is realized by replacing the positioning assembly. The floor area of the fixture can be greatly reduced, and the production cost can be lowered. Specifically, the two groups of positioning assemblies can be configured to be symmetrically distributed up and down or left and right according to the actual situation. It should be noted that this is only an explanation of the installation position of the positioning assembly. In practice, when implementing for different wall panels, the two groups of positioning assemblies are usually not installed at the same time. It is worth noting that the foregoing up-and-down symmetrical distribution or left-and-right symmetrical distribution means that the two groups of positioning assemblies are symmetrically distributed with respect to the two axes of symmetry of the rectangle enclosed by the support crossbeam 11 and the support plate 12.

[0050] The present invention also provides a usage method for the positioning fixture system for automatic drilling and riveting of wall panels, including the following steps:

[0051] S1. Before installing the panel mounting frame flange and the door frame skeleton, position and connect the panel through the lug positioning component 3, assist in supporting the panel through the panel support component 4, and perform drilling and riveting on the stringers on the panel;

[0052] S2. Install the frame flange and the door frame skeleton on the panel;

[0053] S3. Remove the panel support component 4 on the support crossbeam 11, install the tool hole positioning component 5 on the support crossbeam 11, connect and position the panel through the tool hole positioning component 5, and perform drilling and riveting on the frame flange on the panel.

[0054] Further, when connecting and positioning the panel with the tool hole positioning component 5, the lug positioning component 3 is not used to avoid over-positioning.

[0055] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A positioning fixture system for automatic drilling and riveting of wall panels, comprising a tooling base (1), the tooling base (1) having two supporting beams (11) arranged opposite to each other, two supporting clamping plates (12) arranged between the two supporting beams (11) for supporting the wall panels, and a group of positioning components for positioning the wall panels, wherein the tooling base (1) is characterized by: The positioning assembly comprises a plurality of tool hole positioning assemblies (5), and the plurality of tool hole positioning assemblies (5) are relatively distributed on two supporting crossbeams (11) and are used for positioning holes on the frame edge of the wall plate.

2. The positioning fixture system for automatic drilling and riveting of wall panels as claimed in claim 1, characterized in that: The positioning assembly further comprises a plurality of ear piece positioning assemblies (3), and the plurality of ear piece positioning assemblies (3) are relatively distributed on the supporting card plate (12), so that the two sides of the wall plate can be connected and positioned through the ear piece positioning assemblies (3).

3. The positioning fixture system for automatic drilling and riveting of wall panels as claimed in claim 2, characterized in that: The positioning assembly further comprises a plurality of wall panel support assemblies (4), wherein the plurality of wall panel support assemblies (4) are relatively distributed on two supporting cross beams (11) and are used to support the wall panel surface; The wallboard support assembly (4) and the tool hole positioning assembly (5) are both detachably connected to the support crossbeam (11).

4. The positioning fixture system for automatic drilling and riveting of wall panels as claimed in claim 1, characterized in that: The tool base (1) is connected to a tool positioning device (2).

5. The positioning fixture system for automatic drilling and riveting of wall panels as claimed in claim 2 is characterized by: The ear piece positioning components (3) on one of the supporting card plates (12) are arranged for circular hole positioning, and the ear piece positioning components (3) distributed on the other supporting card plate (12) are arranged for oblong hole positioning.

6. The positioning fixture system for automatic drilling and riveting of wall panels according to any one of claims 1 to 5, characterized in that: It comprises two groups of positioning components, both of which are detachably connected to the supporting crossbeam (11) and are respectively used for the left wall plate and the right wall plate with symmetrical structures.

7. A method for using a positioning fixture system for automatic drilling and riveting of wall panels, characterized in that: Using the positioning fixture system for automatic drilling and riveting of wall panels as claimed in claim 2 comprises the following steps: S1, before the wall panel is installed with the frame edge and the door frame frame, the wall panel is connected and positioned by the ear piece positioning assembly (3), and the long stringer on the wall panel is drilled and riveted; S2, installing the frame edge and door frame frame onto the wall panel; S3, connecting and positioning the wall panel through the tool hole positioning assembly (5), and drilling and riveting the frame edge of the wall panel.

8. The method for using the positioning fixture system for automatic drilling and riveting of wall panels as claimed in claim 7, characterized in that: The positioning assembly further comprises a plurality of wall panel support assemblies (4), wherein the plurality of wall panel support assemblies (4) are relatively distributed on two supporting beams (11) and are used to support the wall panel surface, and comprises the following steps: S1. Before the wall panel is installed with the frame edge and the door frame frame, the wall panel is connected and positioned by means of the ear piece positioning assembly (3), the wall panel is auxiliary supported by means of the wall panel support assembly (4), and the long stringers on the wall panel are drilled and riveted; S2, installing the frame edge and door frame frame onto the wall panel; S3, remove the wall panel support assembly (4) on the support beam (11), and install the tool hole positioning assembly (5) on the support beam (11), connect and position the wall panel through the tool hole positioning assembly (5), and perform drilling and riveting on the frame edge of the wall panel.

9. The method for using the positioning fixture system for automatic drilling and riveting of wall panels according to claim 7 or 8, characterized in that: When the tool hole locating assembly (5) is used to connect the locating wall plate, the ear piece locating assembly (3) is not used.

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