CN115489753A - Assembly tooling and tooling assembly system - Google Patents

Abstract

The invention provides an assembly tool and a tool assembly system thereof, wherein the assembly tool comprises: the positioning part comprises a plurality of groups of positioning assemblies, the plurality of groups of positioning assemblies comprise baffle joint positioners, frame body positioners and butt joint positioners, and the frame body positioners and the butt joint positioners are arranged on the tool framework; the baffle joint positioner is arranged on the movable frame and can move along the rod body of the movable frame. The assembly tool can be used for respectively positioning parts of a complex assembly to better assemble the complex assembly, and can be used for assembling the complex assembly with multiple intersection holes. The tool assembly system with the assembly tool can integrate the functions of assembling, hoisting, transporting, shape keeping, supporting and the like of the butt-joint frame assembly into a whole, reduces tools, does not need to transfer the tools, shortens the assembly flow and improves the assembly efficiency.

Description

Assembly tooling and tooling assembly system

technical field

The invention relates to the technical field of aircraft manufacturing and assembly, in particular to an assembly tool and a tool assembly system thereof.

Background technique

The frame assembly is one of the main load-bearing structures of the aircraft, and is a key load-bearing component in the overall structure of the aircraft, and there are a large number of them, which play a pivotal role in the strength of the overall aircraft. Therefore, the assembly process of the frame assembly of the aircraft is very important.

In the prior art, there have been many studies on the assembly technology of frame components, but the existing technology involves the research on the assembly technology of some frame components with simple structures and low requirements for assembly accuracy, and does not involve docking Research on assembly technology of frame components. The structural form of the docking frame component is relatively special. Compared with other frame components, the structural form is more complex and has more coordination relationships. There are more intersection holes in it, and the requirements for assembly accuracy are also higher. Therefore, it is more difficult to assemble the docking frame components with special structure and complexity, and there is no related research at present.

Contents of the invention

The object of the present invention is to provide an assembly tool and a tool assembly system thereof, which are used to improve the problem of difficulty in assembling a docking frame assembly.

The assembly tooling includes: a tooling skeleton, a movable frame and a positioning part arranged inside the tooling skeleton; the positioning part includes multiple sets of positioning components, and the multiple sets of positioning components include a baffle joint positioner, a frame positioning and a butt joint positioner, the frame body positioner and the butt joint positioner are arranged on the frock skeleton; the baffle joint positioner is arranged on the movable frame, and the baffle joint positioner The implement is movable along the movable frame.

The beneficial effect of the assembly tool provided by the present invention is that the assembly tool can respectively position the parts of the complex assembly for better assembly, so that it can be used for the assembly of the complex assembly with multiple intersection holes.

The baffle joint positioner, the frame body positioner and the butt joint positioner are all provided with detachable fixing parts. The movable setting of the detachable fixing part of the assembly tool and the baffle joint positioner makes the process channel open and convenient to operate when the assembly tool is used for assembling the frame assembly to be assembled.

Further, the frame positioner includes an upper half frame positioner and a lower half frame positioner, and the butt joint positioner includes an upper butt joint positioner and a lower butt joint positioner;

Along the length extension direction of the tooling skeleton, the upper butt joint positioner, the upper half frame body positioner, the baffle joint positioner, the lower half frame body positioner and the lower butt joint positioner devices in sequence.

Optionally, the assembling tool further includes lifting lugs, and the lifting lugs are arranged on the upper end of the tooling skeleton;

And/or, the assembly tool may further include a tool interface, and the tool interface is arranged on the outside of the tool frame. The tooling interface is used to connect the assembly tooling with the external structure. The lifting lug can be used to realize the lifting and transportation of the assembly tool. The assembly tool can be used to assemble the frame assembly to be assembled and can connect the assembly tool with the external structure through the tool interface to further realize the assembly of a larger structure.

Preferably, the assembly tool further includes an auxiliary support device, the auxiliary support device includes an upper support unit and a lower support unit, and the auxiliary support device is used to support the frame assembly to be assembled. The auxiliary supporting device supports the parts of the frame assembly to be assembled so as to prevent the deformation of the frame assembly due to gravity.

Further, both the upper support unit and the lower support unit include an adjustment assembly, and the adjustment assembly is used to adjust the setting position of the upper support unit and the setting position of the lower support unit. In order to better adapt to the shape of the frame assembly to be assembled, thereby playing a good supporting role.

Specifically, the shape of the tooling frame is rectangular, and the shape of the movable frame is set to be rectangular. It is beneficial to the stable setting of the assembly tooling structure and is convenient to use.

The present invention also provides a tool assembly system, including a docking frame assembly and an assembly tool; the assembly tool includes a tool frame, a movable frame and a positioning part arranged inside the tool frame, and the positioning part is used for positioning the the docking frame component;

The positioning part includes multiple sets of positioning components, and the multiple sets of positioning components include a baffle joint positioner, a frame positioner and a butt joint positioner, and the frame positioner and the butt joint positioner are arranged on the On the tooling skeleton;

The baffle joint positioner is arranged on the movable frame, and the baffle joint positioner can move along the rod body of the movable frame. The tooling assembly system can fix the parts of the docking frame assembly with complex structure on the assembly tooling, and assemble the docking frame assembly through the assembly tooling, so as to solve the problem of difficult assembly of the docking frame assembly.

Specifically, the frame positioner includes an upper half frame positioner and a lower half frame positioner, the butt joint positioner includes an upper butt joint positioner and a lower butt joint positioner, and the butt joint frame assembly includes an upper half-frames, lower half-frames, butt joints and baffle joints;

The upper half frame positioner is used for positioning the upper half frame body, the lower half frame body positioner is used for positioning the lower half frame body, and the upper butt joint positioner and the lower butt joint positioner are used for The butt joint is positioned, and the baffle joint locator is used to position the baffle joint.

Further, a pressing device is also included, and the pressing device is used for pressing and fixing the docking frame assembly on the assembly tool. The pressing device can better stably install the parts of the docking frame assembly on the assembly tool.

The assembly tool and its tool assembly system of the present invention have the following beneficial effects: it can be used for the assembly of complex components with multiple intersection holes, and the movable setting of the detachable fixing part of the assembly tool and the baffle joint positioner makes the assembly The process channel is open and the operation is convenient.

The assembly of the docking frame assembly by the tooling assembly system can realize the integration of the assembly, lifting, transportation, shape retention, support and other functions of the docking frame assembly, reducing tooling and saving costs. There is no need to transfer tooling during the full assembly process of the docking frame components, which shortens the assembly process and improves assembly efficiency. The tooling assembly system can be assembled at the sub-assembly station to form a docking frame assembly, and then the docking frame assembly and the assembly tooling are lifted to the final assembly station, which is conducive to expanding the parallel working surface, reducing the assembly time of the final assembly station, and improving docking The overall production line capacity for box assembly assembly.

Description of drawings

Fig. 1 is the structural representation of assembly tooling of the present invention;

Fig. 2 is a schematic structural view of the docking frame assembly installed and assembled on the assembly tool of the present invention;

Fig. 3 is a schematic diagram of a partial structure of a docking frame assembly installed on the assembly tool of the present invention.

Reference signs:

1-tooling skeleton; 2-movable frame; 3-baffle joint locator; 41-upper half frame locator; 42-lower half frame locator; 51-upper butt joint locator; 52-lower butt joint Locator; 6-removable fixing piece; 71-hanging lug; 72-upper support unit; 73-lower support unit; 8-tooling interface; 91-upper half frame; 92-lower half frame; 94-baffle; 95-butt joint; 96-baffle joint; 97-Y-shaped joint.

detailed description

In order to make the purpose, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention. Obviously, the described embodiments are part of the present invention Examples, not all examples. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention. Unless otherwise defined, the technical terms or scientific terms used herein shall have the usual meanings understood by those skilled in the art to which the present invention belongs. As used herein, "comprising" and similar words mean that the elements or items appearing before the word include the elements or items listed after the word and their equivalents, without excluding other elements or items.

The structure of the docking frame assembly of the aircraft is special. It is located at the intersection of two docking interfaces. There are not only connections between the two fuselage sections, but also connections between the fuselage sections and the flat tail components. The structure is complex. , There are many coordination relationships, and the requirements for assembly accuracy are high, so there is a problem of assembly difficulty. Aiming at the problems existing in the prior art, an embodiment of the present invention provides an assembly tool and a tool assembly system thereof.

Example 1

Referring to the accompanying drawing 1 of the description, this embodiment provides an assembly tool, including a tool frame 1, a movable frame 2 and a positioning part arranged inside the tool frame 1 . The positioning part includes multiple sets of positioning components, and the multiple sets of positioning components specifically include a frame positioner, a butt joint positioner and a baffle joint positioner 3 . The frame body locator and the butt joint locator are arranged on the tooling frame 1, the baffle joint locator 3 is arranged on the movable frame 2, and the baffle joint locator 3 can move along the movable frame 2, thereby being able to When the frame assembly enters the assembly, it makes room for the installation of the parts. The assembly tool can respectively position the parts of the complex assembly for better assembly, and thus can be used for the assembly of the complex assembly with multiple intersection holes.

The frame positioner includes an upper half frame positioner 41 and a lower half frame positioner 42 , and the butt joint positioner includes an upper butt joint positioner 51 and a lower butt joint positioner 52 . Along the length extension direction of the tooling frame 1, the upper butt joint positioner 51, the upper half frame body positioner 41, the baffle joint positioner 3, the lower half frame body positioner 42 and the lower butt joint positioner 52 are arranged in sequence.

Among them, the butt joint positioner, the frame body positioner and the baffle joint positioner 3 are provided with detachable fixing parts 6, and the detachable fixing parts 6 can facilitate the installation of the frame assembly to be assembled on the assembly tool or from the assembly tool. Remove from tooling. The movable setting of the detachable fixing part 6 and the baffle joint positioner 3 of the assembly tool makes the process path open and convenient to operate when the assembly tool is used for assembling the components to be assembled.

In some embodiments, the shape of the tooling frame 1 is rectangular, and along the extending direction of the length of the tooling frame 1 , one side of the tooling frame 1 is the first side, and the other side is the second side. The upper butt joint positioner 51 is arranged on the first side of the tool frame 1 , and the lower butt joint positioner 52 is set on the second side of the tool frame 1 . The upper half frame positioner 41 and the lower half frame positioner 42 are arranged between the upper butt joint positioner 51 and the lower butt joint positioner 52 of the butt joint positioner, wherein the upper half frame positioner 41 is docked with the upper part The distance between the joint locators 51 is less than the distance between the lower butt joint locators 52, and the distance between the lower half frame locator 42 and the lower butt joint locators 52 is less than the distance between the upper butt joint locators 51. distance.

Preferably, the shape of the tooling frame 1 is rectangular, and the shape of the movable frame 2 is set to be rectangular. It is beneficial to the stable setting of the assembly tooling structure and is convenient to use. Optionally, the movable frame 2 may be a guide rail.

Further, the assembly tool also includes lifting lugs 71 and auxiliary supporting devices. Lifting lugs 71 are arranged on the upper end of the tool frame 1 for lifting and transporting the assembly tool. The auxiliary supporting device includes an upper supporting unit 72 and a lower supporting unit 73, and the auxiliary supporting device is used to support the frame assembly to be assembled. In some embodiments, the upper support unit 72 is located between the upper half frame positioner 41 and the baffle joint positioner 3 , and the lower support unit 73 is located between the lower half frame positioner 42 and the baffle joint positioner 3 .

Specifically, both the upper support unit 72 and the lower support unit 73 of the auxiliary support device include an adjustment assembly, and the adjustment assembly is used to adjust the setting position of the upper support unit 72 and the specific setting position of the lower support unit 73 to adapt to the installation on the assembly tool. The shape of the component to support the parts of the frame component to be assembled and prevent the frame component from deforming due to gravity. In this way, a shape-retaining effect on the components mounted on the assembly tool can be achieved. In some embodiments, the adjusting assembly includes a screw mechanism, and the setting position of the upper supporting unit 72 and the setting position of the lower supporting unit 73 can be adjusted by rotating the adjusting screw mechanism.

Furthermore, the assembly tool also includes a tool interface 8 , and the tool interface 8 is arranged on the outside of the tool frame 1 . The tool interface 8 is used to connect the assembly tool with the external structure. Specifically, the assembly tool can be used to assemble the frame assembly to be assembled, and the assembly tool can be connected with the external structure to further realize the assembly of a larger structure.

In this embodiment, the lifting lug 71 is arranged on the first side of the tooling frame 1, the tooling interface 8 is arranged on the side extending along the length direction of the tooling frame 1, and the interface of the tooling interface 8 faces the second side of the tooling frame 1. side.

Example 2

Referring to FIG. 1 and FIG. 2 , this embodiment provides a tool assembly system, including the assembly tool described in Embodiment 1 and a docking frame assembly. The assembly tool is used for assembling a docking frame assembly including an upper half frame body 91 , a lower half frame body 92 , a tie rod 93 , a baffle plate 94 and a joint assembly. Wherein, the joint assembly includes a butt joint 95 and a baffle joint 96 .

The positioning part of the assembly tool is used for positioning the docking frame assembly. Specifically, the upper half frame positioner 41 is used for positioning the upper half frame body 91, the lower half frame body positioner 42 is used for positioning the lower half frame body 92, and the upper butt joint positioner 51 and the lower butt joint positioner 52 are used for The butt joint 95 is positioned, and the baffle joint locator 3 is used to position the baffle joint 96 .

Specifically, the upper half frame positioner 41 includes a first positioning surface and a detachable first fixing member, and the lower half frame positioner 42 includes a second positioning surface and a detachable second fixing member. When using the frame body locator 41, the TH hole and the web surface of the upper half frame body 91 are used as a reference for positioning, and when the lower half frame body positioner 42 is used, the TH hole and the web surface of the lower half frame body 92 are used as a reference for positioning. The butt joint locator includes a third positioning surface and a detachable third fixing member. When using the butt joint locator, the butt joint 95 is positioned on the basis of the intersection hole and the internal retaining surface of the fork lug. The baffle joint locator 3 includes a fourth positioning surface and a detachable fourth fixing member. When the baffle joint locator 3 is used, the baffle joint 96 is positioned on the basis of the intersection hole of the baffle joint 96 and the outer fork lug surface. In this embodiment, the first fixing piece, the second fixing piece, the third fixing piece and the fourth fixing piece are all positioning pins.

The tool assembly system also includes a pressing device, which is used to press and fix the parts of the docking frame assembly on the assembly tool.

When the tooling assembly system is set in the state shown in Figure 2, the lifting lug 71 is located at the upper end of the tooling frame 1, which is convenient for lifting the assembly tooling through the lifting lug 71, and the upper supporting unit 72 can form a support for the upper half frame body 91, and the lower supporting unit The unit 73 can support the lower half frame body 92, thereby avoiding the deformation of the upper half frame body 91 and the lower half frame body 92 under the action of gravity, thereby realizing the lifting and transportation of the assembly tooling and the connection frame assembly, and the maintenance of the connection frame assembly. shape. The interface of the tooling interface 8 faces downward, which facilitates the assembly with the final assembly station after transportation.

Using the tooling assembly system described in this embodiment to assemble the docking frame assembly can realize the integration of functions such as assembly, lifting, transportation, shape retention, and support of the docking frame assembly, reducing tooling and saving costs. And only one set of tooling is used in the full assembly process of the docking frame assembly, without transferring the tooling, the assembly process is shortened, and the assembly efficiency is improved; the deformation of the upper half frame 91 and the lower half frame 92 of the docking frame assembly is avoided, and the improvement is improved. assembly accuracy and assembly quality.

The tooling assembly system can be assembled at the sub-assembly station to form a docking frame assembly, and then the docking frame assembly and the assembly tooling are lifted to the final assembly station, which is conducive to expanding the parallel working surface, reducing the assembly time of the final assembly station, and improving docking The overall production line capacity for box assembly assembly.

Other content that is the same as in Embodiment 1 will not be repeated here.

Example 3

This embodiment provides a specific implementation method of using the tooling assembly system described in Embodiment 2 to assemble the docking frame assembly:

Use the butt joint locator to position the butt joint 95 on the basis of its intersection hole and the internal retaining surface of the fork lug.

Use the upper half frame locator 41 to position the upper half frame 91 based on the two TH holes and the web surface, and use the compression device to compress; use the lower half frame locator 42 to place the lower half frame The body 92 is positioned on the basis of the two TH holes and the web surface, and is compressed using a compression device.

The height of the auxiliary supporting device is adjusted so that the upper support unit 72 reliably supports the upper half frame body 91 , and the lower support unit 73 reliably supports the lower half frame body 92 .

Check the gap between the upper half frame body 91 and the lower half frame body 92 and the butt joint 95, and apply gaskets as required.

Drill the first hole of the connecting hole between the butt joint 95 and the upper half frame body 91 and the first hole of the connection hole between the butt joint 95 and the lower half frame body 92, and use temporary fasteners to connect.

Use the baffle joint locator 3 to position the baffle joint 96 based on its intersection hole and the outer fork lug surface.

Check the gap between the baffle joint 96 and the joint surfaces of the upper half frame body 91 and the lower half frame body 92, and apply spacers as needed.

On the upper half frame body 91 and the lower half frame body 92, carry out hole making, disassembly, deburring, sealing and installation of fasteners to connect and fix the baffle joint 96 with the upper half frame body 91 and the lower half frame body 92, The installation effect is shown in Figure 3.

Move the baffle joint positioner 3 to the preset position.

Install the baffle plate 94, the Y-shaped joint 97, the pull rod 93 and standard parts, etc., and assemble to form a docking frame assembly. The docking frame assembly after assembly on the assembly tool is shown in Figure 2.

The assembly tool and the docking frame assembly are lifted to the final assembly station through the lifting lug 71 .

The assembly tooling together with the docking frame assembly is positioned and supported at the final assembly station through the tooling interface 8 .

In summary, the assembly tooling of the present invention can be used for assembling complex components with multiple intersection holes, and the movable setting of the detachable fixing member 6 and the baffle joint positioner 3 makes the assembly tooling used for the assembly to be assembled When the components are assembled, the process channel is open and the operation is convenient.

The assembly of the docking frame components by the tooling assembly system with the assembly tooling can realize the integration of the functions of assembly, lifting, transportation, shape keeping, support and other functions of the docking frame components, which reduces tooling and saves costs. And only one set of tooling is used in the full assembly process of the docking frame assembly, without transferring the tooling, the assembly process is shortened, and the assembly efficiency is improved; the deformation of the upper half frame 91 and the lower half frame 92 of the docking frame assembly is avoided, and the improvement is improved. assembly accuracy and assembly quality. Moreover, the tooling assembly system can be assembled at the subassembly station to form a docking frame assembly, and then the docking frame assembly and assembly tooling can be lifted to the final assembly station, which is conducive to expanding the parallel working surface, reducing the assembly time of the final assembly station, and improving The capacity of the overall production line for the assembly of docking frame components.

Although the embodiments of the present invention have been described in detail above, it will be apparent to those skilled in the art that various modifications and changes can be made to the embodiments. However, it should be understood that such modifications and changes are within the scope and spirit of the present invention described in the claims. Furthermore, the invention described herein is capable of other embodiments and of being practiced or carried out in various ways.

Claims (10)

1. An assembly tool, characterized in that it comprises: a tool frame, a movable frame and a positioning part arranged inside the tool frame; The positioning part includes multiple sets of positioning components, and the multiple sets of positioning components include a baffle joint positioner, a frame positioner and a butt joint positioner, and the frame positioner and the butt joint positioner are arranged on the On the tooling skeleton; The baffle joint positioner is arranged on the movable frame, and the baffle joint positioner can move along the rod body of the movable frame. 2 . The assembly tool according to claim 1 , wherein the baffle joint positioner, the frame body positioner and the butt joint positioner are all provided with detachable fixing parts. 3 . 3. The assembly tool according to claim 1, wherein the frame locator includes an upper half frame locator and a lower half frame locator, and the butt joint locator includes an upper butt joint locator and a lower half frame locator. Lower butt joint locator; Along the length extension direction of the tooling skeleton, the upper butt joint positioner, the upper half frame body positioner, the baffle joint positioner, the lower half frame body positioner and the lower butt joint positioner devices in sequence. 4. The assembly tool according to claim 1, further comprising lifting lugs, the lifting lugs being arranged on the upper end of the tooling skeleton; And/or, a tooling interface is also included, and the tooling interface is arranged on the outside of the tooling frame. 5 . The assembly tool according to claim 1 , further comprising an auxiliary supporting device, the auxiliary supporting device comprising an upper supporting unit and a lower supporting unit, and the auxiliary supporting device is used to support the frame assembly to be assembled. 6. The assembly tool according to claim 5, characterized in that, both the upper support unit and the lower support unit include an adjustment assembly, and the adjustment assembly is used to adjust the setting position of the upper support unit and the lower support unit. The setting position of the support unit. 7. The assembly tool according to claim 1, characterized in that, the shape of the frame of the tool is rectangular, and the shape of the movable frame is set to be rectangular. 8. A frock assembly system, characterized in that it includes a docking frame assembly and an assembly frock; The assembly tooling includes a tooling frame, a movable frame and a positioning part arranged inside the tooling frame, and the positioning part is used for positioning the docking frame assembly; The positioning part includes multiple sets of positioning components, and the multiple sets of positioning components include a baffle joint positioner, a frame positioner and a butt joint positioner, and the frame positioner and the butt joint positioner are arranged on the On the tooling skeleton; The baffle joint positioner is arranged on the movable frame, and the baffle joint positioner can move along the rod body of the movable frame. 9. The tooling assembly system according to claim 8, wherein the frame positioner comprises an upper half frame positioner and a lower half frame positioner, and the butt joint positioner comprises an upper butt joint positioner and a lower butt joint locator, the butt joint frame assembly includes an upper half frame, a lower half frame, a butt joint and a baffle joint; The upper half frame positioner is used for positioning the upper half frame body, the lower half frame body positioner is used for positioning the lower half frame body, and the upper butt joint positioner and the lower butt joint positioner are used for The butt joint is positioned, and the baffle joint locator is used to position the baffle joint. 10 . The tool assembly system according to claim 8 , further comprising a pressing device, the pressing device is used to press and fix the docking frame assembly on the assembly tool. 11 .

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