CN221791748U - Aircraft parts processing frock - Google Patents

Abstract

The utility model provides an aircraft parts processing tool, which can be applicable to the processing of various types of thin-walled aircraft parts, saves processing time and processing costs, and improves the product qualification rate. The processing tool comprises: a base plate, a support block, a positioning component, a jack adjustment component and a clamping component, wherein the base plate is provided with a plurality of assembly holes; one or more support blocks are fixedly arranged on the assembly holes at the center of the upper surface of the base plate, and a first assembly groove is arranged at the center of the upper surface of the support block; the positioning component is detachably connected to the first assembly groove to position the aircraft parts on the support block; a plurality of jack adjustment components are arranged on the base plate and located on the ring side of the support block, and the upper surface of the jack adjustment component contacts with the contact point of the aircraft parts to support the aircraft parts; a plurality of clamping components are arranged on the ring side of the base plate to clamp the surface of the aircraft parts.

Description

A kind of aircraft parts processing tool

Technical Field

The utility model relates to the field of thin-wall aircraft parts processing, in particular to an aircraft parts processing tool.

Background Art

In the existing aircraft parts processing process, there are a large number of duplicate parts such as joints and connectors, which require multi-faceted processing and have thin walls. Due to the need for multi-faceted processing, the parts need to be clamped multiple times during conventional processing, which makes it difficult to ensure the clamping accuracy and the product qualification rate is low. The clamping time is long and the temporary shutdown time is long, which makes the work efficiency low. At the same time, when processing different aircraft parts, different tooling and pads need to be customized, which increases the working hours and processing costs. Due to the long processing time caused by conventional processing methods, thin-walled parts are greatly deformed and the product qualification rate is low. When processing small areas, manual intervention is required for processing.

Utility Model Content

The utility model aims to provide an aircraft parts processing tool, which can be applicable to the processing of various types of thin-walled aircraft parts, save processing time and processing costs, and improve product qualification rate.

The embodiment of the utility model is achieved as follows:

A tooling for processing aircraft parts, comprising: a base plate, a support block, a positioning assembly, a jack adjustment assembly and a clamping assembly, wherein the base plate is connected to a processing machine tool and is provided with a plurality of assembly holes; one or more support blocks are fixedly arranged on the assembly holes at the center of the upper surface of the base plate, and a first assembly groove is arranged at the center of the upper surface of the support block; the positioning assembly is detachably connected to the first assembly groove to position the aircraft parts on the support block; a plurality of jack adjustment assemblies are arranged on the base plate and located on the ring side of the support block, and the upper surface of the jack adjustment assembly contacts with the contact point of the aircraft parts to support the aircraft parts; a plurality of clamping assemblies are arranged on the ring side of the base plate to clamp the surface of the aircraft parts.

In a preferred embodiment of the utility model, the above-mentioned positioning assembly includes: an assembly rod, a positioning plate and a baffle, the assembly rod is detachably connected to the first assembly groove; the positioning plate is sleeved on the assembly rod, and the shape and size of the positioning plate match the positioning groove/hole of the aircraft component; the baffle is sleeved on the assembly rod and located on the upper part of the positioning plate, the distance between the baffle and the support block is adjustable, and the upper part of the baffle is fixed in position by a nut.

In a preferred embodiment of the utility model, the jack adjustment assembly comprises: a jack base and a hand-tightening jack, the jack base is detachably connected to the base plate; the hand-tightening jack is arranged on the top of the jack base.

In a preferred embodiment of the present invention, the jack base is block-shaped or column-shaped.

In a preferred embodiment of the present utility model, the above-mentioned clamping assembly includes: a screw rod, a U-shaped pressure plate and a fixing member, the screw rod is vertically arranged on the outer ring side of the base plate; the U-shaped pressure plate is assembled on the screw rod and can move up and down based on the screw rod; the fixing member contacts the bottom of the U-shaped pressure plate to determine the height of the U-shaped pressure plate.

In a preferred embodiment of the present invention, the side surface of the U-shaped pressing plate is a right-angled trapezoid.

In a preferred embodiment of the utility model, the above-mentioned fixing part includes: a base column, an adjusting screw and a first fixing nut, and a second assembly groove is arranged at the top of the base column; a supporting surface in contact with the bottom of the U-shaped pressure plate is arranged at the top of the adjusting screw, and the adjusting screw is threadedly connected with the second assembly groove; the first fixing nut is assembled on the adjusting screw to fix the height of the adjusting screw.

In a preferred embodiment of the present utility model, a flat washer is provided between the first fixing nut and the U-shaped pressure plate.

In a preferred embodiment of the present utility model, the above-mentioned processing tooling also includes T-nuts, and the T-nuts fix the base plate and the clamping assembly on the machine tool.

The beneficial effects of the embodiments of the utility model are as follows: in the utility model, a plurality of jack adjustment assemblies are arranged on the ring side of the support block, and a plurality of clamping assemblies are also arranged on the outside of the jack adjustment assembly, and split tooling is used to achieve precise clamping; effective clamping force and reliable clamping point distribution avoid the influence of manual intervention on part cutting, and realize multi-faceted processing with one clamping, thereby ensuring the processing accuracy of parts while improving the utilization rate of machine tools, reducing temporary machine time, improving production efficiency, and improving part consistency, providing reliable support for automated processing.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

FIG1 is a schematic diagram of the front structure of a processing tooling according to an embodiment of the utility model;

FIG2 is a schematic diagram of a top view of a processing tooling structure according to an embodiment of the utility model;

FIG3 is a schematic diagram of a three-dimensional structure of a processing tooling according to an embodiment of the utility model;

FIG4 is a schematic diagram of the front structure of the processing tooling according to the embodiment of the utility model in combination with aircraft parts;

FIG. 5 is a schematic diagram of the side structure of an aircraft component in cooperation with a processing tool according to an embodiment of the utility model.

Icons: 001-aircraft parts; 002-machine tools; 003-T-nuts; 100-base plate; 200-support block; 300-positioning assembly; 400-jack adjustment assembly; 500-clamping assembly; 110-clamping pin hole; 120-fixed countersunk hole; 210-rectangular support block; 220-rounded support block; 310-assembly rod; 320-positioning plate; 330-baffle; 410-jack base; 420-hand-tightened jack; 411-columnar base; 412-block base; 510-screw; 520-U-shaped pressure plate; 530-fixing piece; 531-base column; 532-adjusting screw; 533-first fixing nut; 534-flat washer.

DETAILED DESCRIPTION

In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Generally, the components of the embodiment of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not require further definition and explanation in the subsequent drawings.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

First embodiment

Based on the defects that occur during traditional parts processing, this solution can adopt a ready-to-use approach, which is suitable for on-site applications and provides process personnel with a variety of solutions. It can achieve rapid replacement and adjustment between units/components, and ensure the accuracy and clamping stability after assembly. Open processing makes it easier to process small areas, providing a better solution without human intervention.

Please refer to Figures 1-5. This embodiment provides an aircraft parts processing tool, which can be used in aircraft parts welding, cutting, drilling and other processing procedures. The processing tool includes: a base plate 100, a support block 200, a positioning assembly 300, a jack adjustment assembly 400 and a clamping assembly 500. The base plate 100 is connected to a processing machine tool, and the base plate 100 is provided with a plurality of assembly holes; one or more support blocks 200 are fixedly arranged at the center of the upper surface of the base plate 100. The fixing method of the support block 200 can be a non-detachable fixing method such as welding, or a detachable fixing method such as bolts and clamping. This embodiment uses a detachable fixing method, and the center of the upper surface of the support block 200 is provided with The first assembly groove is used to assemble the positioning component 300; the positioning component 300 is detachably connected to the first assembly groove to position the aircraft component 001 on the support block 200; multiple jack adjustment components 400 are arranged on the base plate 100 and are located on the ring side of the support block 200, at least one of the jack adjustment components 400 is arranged below the weak area of the aircraft component or multiple jack adjustment components 400 are arranged on both sides of the weak area, and the upper surface of the jack adjustment component 400 contacts the contact point of the aircraft component 001 to support the weak area of the aircraft component 001 to prevent deformation; multiple clamping components 500 are arranged on the ring side of the base plate 100 to clamp the surface of the aircraft component 001.

The assembly method of the processing tooling is: fix the base plate 100 on the machine tool 002, assemble the support block 200 on the base plate in sequence through the positioning pins, and then position and fix the aircraft component 001 through the positioning assembly 300, and then use the jack adjustment assembly 400 to tighten the bottom of the aircraft component 001 to strengthen the support; and then use the clamping assembly 500 to clamp the aircraft component 001.

Optionally, the bottom plate 100 is a plate structure with smooth edges and corners and is not limited to a material, preferably a metal or alloy material. The assembly holes on the bottom plate 100 include a clamping pin hole 110 connected to the machine tool 002, a fixed countersunk hole 120, and a connection hole for connecting the support block 200/jack adjustment assembly 400. The fixed countersunk hole 120 hides the connection screw inside the tooling.

In this embodiment, the support block 200 is used to support the aircraft component 001 to meet the processing height.

Optionally, a whole-piece support block 200 may be used, or a plurality of assembled support blocks 200 with adjustable height, quantity or shape may be used.

For example, in this embodiment, two rectangular support blocks 210 and two rounded support blocks 220 with smooth corners are selected, wherein the diagonal centers of the two rectangular support blocks 210 coincide with the center of the positioning component 300, while the diagonal centers of the two rounded support blocks 220 do not coincide with the center of the positioning component 300. The shape, size, height, quantity and other data of the multiple support blocks 200 are determined according to the actual processed products.

In this embodiment, the positioning assembly 300 is connected to the top center of the support block 200 and is used for aircraft positioning and clamping.

Optionally, multiple sets of jack adjustment assemblies 400 with selectable positions and heights are provided on the bottom plate 100, and the aircraft component 001 and the jack contact points are adjusted to ensure the clamping stability and clamping rigidity of the aircraft component 001. The position and type of the jack adjustment assembly 400 are not limited and can be adjusted according to actual conditions.

At the same time, multiple groups of clamping assemblies 500 with adjustable quantity and position for clamping the aircraft parts 001 are also arranged on the periphery of the jack, that is, on the machine tool 002, to further ensure the clamping stability. In this embodiment, two groups of clamping assemblies 500 are arranged on each of the four sides of the bottom plate 100.

Optionally, the positioning assembly 300 includes an assembly rod 310, a positioning plate 320 and a baffle 330, the assembly rod 310 is detachably connected to the first assembly groove; the positioning plate 320 is sleeved on the assembly rod 310, and the shape and size of the positioning plate 320 match the positioning groove/hole of the aircraft component 001; the baffle 330 is sleeved on the assembly rod 310 and is located at the upper part of the positioning plate 320, the distance between the baffle 330 and the support block 200 is adjustable, and the upper part of the baffle 330 is fixed in position by a nut.

The assembly rod 310 in this embodiment is used for detachable connection with the support block 200, and preferably a screw rod that can adjust the distance between the baffle 330 and the support block 200 is used for connection.

Optionally, the shape, size and thickness of the positioning plate 320 match the positioning groove/hole of the aircraft component 001. Preferably, the positioning plate 320 used in the present embodiment is a circular cylinder, which can ensure that the center of the aircraft component 001 and the center of the tooling coincide with each other during the clamping process, and the aircraft component 001 can be rotated to ensure that the adjustment position of the part is within the center of the circle.

After the aircraft component 001 is positioned and assembled on the positioning plate 320 , it is pressed tightly using the baffle plate 330 . A nut connected to the assembly rod 310 is also provided on the top of the baffle plate 330 for fastening the aircraft component 001 .

Since the parts contain weak areas, a jack adjustment assembly 400 is provided on the processing tooling in this embodiment to ensure the clamping stability and rigidity of the aircraft component 001 and avoid deformation, breakage, etc. of the weak areas during the processing, which may lead to defective products.

Optionally, the jack adjustment assembly 400 includes a jack base 410 and a hand-tightened jack 420. The jack base 410 is detachably connected to the base plate 100. The height, size and setting position of the jack base 410 are adjusted according to actual conditions.

For example, in this embodiment, two types of jack bases 410 are selected, a cylindrical base 411 and a block base 412. Two groups of cylindrical bases 411 are set on each side of the support block 200, and two groups of block bases 412 are set on one side; the hand-tightened jack 420 is set on the top of the jack base 410. In this embodiment, a pointed spiral heavy-duty hand-tightened mold jack is selected and fixed to the jack base 410 by a hexagonal cylindrical head screw M10*30 screw.

Optionally, the clamping assembly 500 includes a screw 510, a U-shaped pressing plate 520 and a fixing member 530. The screw 510 is vertically arranged on the outer ring side of the bottom plate 100; the U-shaped pressing plate 520 is assembled on the screw 510 and can move up and down based on the screw 510; the fixing member 530 contacts the bottom/upper part of the U-shaped pressing plate 520 to determine the height of the U-shaped pressing plate 520. The shape of the U-shaped pressing plate 520 is not limited. In this embodiment, in order to improve the processing area, the U-shaped pressing plate 520 is set to have a right-angled trapezoidal shape on the side, and the model is U-shaped pressing plate 520A type M16*200.

The form of the fixing member 530 is not limited, for example, a conventional method of fixing the U-shaped pressing plate 520 on the screw rod 510 with a nut is used.

Similarly, in order to further improve the processing area and avoid setting multiple countersunk holes and other areas on the parts, this embodiment adopts a side fixing method. Specifically, the fixing member 530 includes: a bottom column 531, an adjusting screw 532 and a first fixing nut 533. The top of the bottom column 531 is provided with a second assembly groove; the top of the adjusting screw 532 is provided with a support surface that contacts the bottom of the U-shaped pressure plate 520, and the adjusting screw 532 is threadedly connected to the second assembly groove. The adjusting screw 532 uses a screw 510 of M16*550; the first fixing nut 533 is assembled on the adjusting screw 532 to determine the height of the U-shaped pressure plate 520. The first fixing nut 533 uses a hexagonal cylindrical head nut M16*70. A flat washer 534 is provided between the first fixing nut 533 and the U-shaped pressure plate 520, and the flat washer 534 uses a C-level M16 washer.

Optionally, the processing tooling further includes a T-nut 003, and the T-nut 003 fixes the base plate 100 and the clamping assembly 500 to the machine tool 002, that is, a bolt is inserted into the T-nut 003 to fix the base plate 100 to the machine tool 002, and the lower end of the adjusting screw 532 is inserted into the T-nut 003, and the adjusting screw 532 is fastened to the machine tool 002 with the nut. The T-nut 003 selected in this embodiment is an M16 T-nut 003.

The matters needing attention when using this processing tooling include: 1. During rough processing, give priority to removing the largest material in the vertical direction of gravity to reduce the influence of gravity on the processed parts after the machine tool 002 is reversed; 2. During fine processing, give priority to processing the farthest and weakest positions of the parts. If necessary, the weak positions need to be distinguished and fine processed separately, and a jack adjustment assembly 400 is set at the bottom of the weak area; 3. For narrow areas, use taper tools to allow the tool handle to enter the interior of the tool part for processing. The processing sequence should give priority to processing the most open positions, and then process the least open positions, and use the rigidity of the part cutting process for processing.

In summary, the advantages of using this processing tooling are:

1. The positioning assembly 300, the jack adjustment assembly 400 and the clamping assembly 500 are fixed together to ensure the stability of the clamping;

2. The use of the jack adjustment assembly 400 enables it to cope with the processing of thin-walled parts and prevent the deformation of the thin-walled parts during the processing;

3. The number and position of the jack adjustment assembly 400 and the clamping assembly 500 are adjustable, and can be replaced or reduced at will while ensuring the clamping strength, thereby improving the flexibility of the tooling and making it more suitable;

4. The structure of the clamping assembly 500 is improved to provide a more open part processing area, so that narrow areas can also be processed, reducing the risk of part processing interference.

This specification describes examples of embodiments of the utility model, and it is not intended that these embodiments illustrate and describe all possible forms of the utility model. It should be understood that the embodiments in the specification can be implemented in a variety of alternative forms. The drawings do not need to be drawn to scale; some features can be enlarged or reduced to show the details of specific components. The specific structural and functional details disclosed should not be interpreted as limiting, but are merely representative bases for teaching those skilled in the art to implement the utility model in various forms. It should be understood by those skilled in the art that the multiple features illustrated and described with reference to any of the drawings can be combined with the features illustrated in one or more other drawings to form embodiments that are not explicitly described or described. The described combined features provide representative embodiments for typical applications. However, various combinations and variations of features consistent with the teachings of the utility model can be used for specific applications or implementations as needed.

The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims (10)

1. An aircraft parts processing frock, its characterized in that, processing frock includes:

A bottom plate connected to the processing machine tool;

The support blocks are fixedly arranged at the center of the upper surface of the bottom plate to support the aircraft parts, and a first assembly groove is formed in the center of the upper surface of each support block;

The positioning assembly is detachably connected with the first assembly groove and used for positioning and fixing the aircraft parts on the support block;

The jack adjusting assemblies are arranged on the bottom plate and positioned on the annular side of the supporting block; the upper surface of the jack adjustment assembly is in contact with a contact point of an aircraft component to support the aircraft component.

2. The aircraft part machining tool according to claim 1, wherein the positioning assembly comprises:

the assembly rod is detachably connected with the first assembly groove;

The positioning plate is sleeved on the assembly rod, and the shape and the size of the positioning plate are matched with those of the positioning groove/hole of the aircraft part;

The baffle is sleeved on the assembly rod and positioned on the upper portion of the positioning plate, the distance between the baffle and the supporting block is adjustable, and the upper portion of the baffle is fixed in position through a nut.

3. The aircraft part machining tool according to claim 1, wherein the jack adjustment assembly comprises:

The jack base is detachably connected with the bottom plate;

the hand-twisting type jack is arranged at the top of the jack base.

4. An aircraft component machining tool according to claim 3, wherein the jack mount is block-shaped or columnar.

5. The aircraft part machining tool according to claim 1, further comprising a hold-down assembly, a plurality of the hold-down assemblies being disposed on the annular side of the base plate to hold down the surface of the aircraft part.

6. The aircraft part machining tool according to claim 5, wherein the compression assembly comprises:

The screw rod is vertically arranged on the outer ring side of the bottom plate;

the U-shaped pressing plate is assembled on the screw rod and can move up and down based on the screw rod;

and the fixing piece is contacted with the bottom of the U-shaped pressing plate so as to determine the height of the U-shaped pressing plate.

7. The aircraft part machining tool according to claim 6, wherein the side surface of the U-shaped pressing plate is right trapezoid.

8. The aircraft part machining tool according to claim 6, wherein the fixture comprises:

The top of the bottom column is provided with a second assembly groove;

The top of the adjusting screw is provided with a supporting surface which is contacted with the bottom of the U-shaped pressing plate, and the adjusting screw is in threaded connection with the second assembly groove;

And the first fixing nut is assembled on the adjusting screw rod to fix the height of the adjusting screw rod.

9. The aircraft part machining tool according to claim 8, wherein a flat washer is arranged between the first fixing nut and the U-shaped pressing plate.

10. The aircraft part machining tool of claim 5 or 6, further comprising a T-nut securing the base plate and the compression assembly to a machine tool.