Frame edge positioning and pressing device

Abstract

The invention provides a frame edge positioning and pressing device. The frame edge positioning and pressing device mainly comprises a supporting seat, a supporting plate, a rotating shaft, a supporting arm, an anti-falling plate, a sliding block, a stud, a pressing block, a handle, a positioning plug pin and a plurality of measuring bushings. The supporting plate is of an integral structure, the number of parts is reduced, design efficiency is improved, and manufacturing and mounting difficulty is lowered. The rotating shaft is connected with the supporting seat, and the supporting arm is connected with the rotating shaft through a hole in the square structure of the supporting arm, so that the supporting arm can rotate by 360 degrees around the rotating shaft; the sliding block can slide in the supporting arm along the long-strip-shaped hole in the supporting arm; the stud penetrates through the sliding block, so that the stud can move along the long-strip-shaped hole, and reachability of all positions within the range of rotation of the supporting arm and movement of the sliding block is achieved.

Description

Technical Field

[0001] The present application belongs to the technical field of aircraft assembly, and in particular relates to a frame-to-cistern positioning and clamping device. Background Art

[0002] During the assembly of aircraft frame components, a large number of clamping devices are required to ensure that the parts can fit tightly with the positioning reference (parts or tooling) without relative movement during positioning, hole making and connection.

[0003] The clamping device is mainly used in component assembly to ensure that the parts can fit tightly with the positioning reference (parts or tooling) during positioning, hole making and connection.

[0004] At present, the support base of the existing frame-to-frame positioning and clamping positioning device is welded with steel plates; the support plate is connected to the support base through positioning bolts, and a support plate is set at each supporting position; the support arm is directly connected to the support base through a pin shaft, a cotter pin and a latch, and the clamp is connected to the support arm through a thread. These structural forms limit the positioning and clamping range of the existing support plate and clamping device.

[0005] Moreover, most of the existing pallets and clamps on the same tooling have differences in specifications or structures, which, on the one hand, increases the labor intensity and manufacturing costs of designers, and on the other hand, increases the number of removable parts, causing inconvenience to on-site management. Thirdly, the number of parts installed on-site increases significantly, increasing the difficulty and cycle of adjustment. Summary of the invention

[0006] Purpose of the invention: The present invention overcomes the deficiencies in the prior art and provides a frame-to-frame positioning and clamping device that has strong adaptability, is easy to use, and is simple to manufacture.

[0007] In a first aspect, the present application provides a frame cistern positioning and pressing device, the device comprising:

[0008] The arc-shaped support plate has a preset curvature; the preset curvature is determined based on the shape of the frame;

[0009] At least two clamping assemblies are connected to the arc-shaped support plate, and at least two clamping assemblies are arranged based on the preset arc.

[0010] Preferably, a plurality of bosses are provided on the arc-shaped support plate, the bosses are used to support the frame cistern, and the shape of the bosses matches the frame cistern; positioning holes and measuring holes are provided on the bosses.

[0011] Preferably, the pressing assembly comprises:

[0012] A support seat having a platform, wherein the platform is used to mount the arc-shaped support plate; wherein the position of the platform corresponds to the position of the boss;

[0013] A rotating shaft, one end of which is connected to the platform;

[0014] A support arm having a slide groove, one end of the support arm being connected to the other end of the rotating shaft; wherein the support arm can rotate 360° around the rotating shaft;

[0015] A slider is arranged in the slide groove, a threaded hole is arranged on the slider, and the slider can slide along the slide groove;

[0016] A screw rod is arranged in the threaded hole;

[0017] A pressing block is made of non-metallic material and is arranged at one end of the screw;

[0018] A handle, arranged at the other end of the screw;

[0019] The frame cistern is placed on the boss, the handle is turned, and the screw rod moves downward until the pressing block presses the frame cistern.

[0020] Preferably, the device further comprises:

[0021] A positioning pin, disposed in the positioning hole, and used for positioning the frame;

[0022] A measuring bushing is arranged in the measuring hole, and the measuring bushing is used to protect the measuring hole; the measuring hole is used to measure the position of the arc-shaped support plate on the frame-cistern positioning and clamping device.

[0023] In a second aspect, the present application further provides a frame cistern positioning and pressing device, the device comprising:

[0024] An annular support plate having a plurality of bosses;

[0025] At least two or more clamping assemblies are connected to the annular support plate, and at least two or more clamping assemblies are arranged in an annular shape.

[0026] Preferably, a plurality of bosses are provided on the annular support plate, the bosses are used to support the frame cistern, and the shape of the bosses matches the frame cistern; and positioning holes and measuring holes are provided on the bosses.

[0027] Preferably, the pressing assembly comprises:

[0028] A support seat having a platform, wherein the platform is used to mount the annular support plate; wherein the position of the platform corresponds to the position of the boss;

[0029] A rotating shaft, one end of which is connected to the platform;

[0030] A support arm having a slide groove, one end of the support arm being connected to the other end of the rotating shaft; wherein the support arm can rotate 360° around the rotating shaft;

[0031] A slider is arranged in the slide groove, a threaded hole is arranged on the slider, and the slider can slide along the slide groove;

[0032] A screw rod is arranged in the threaded hole;

[0033] A pressing block is made of non-metallic material and is arranged at one end of the screw;

[0034] A handle, arranged at the other end of the screw;

[0035] The frame cistern is placed on the boss, the handle is turned, and the screw rod moves downward until the pressing block presses the frame cistern.

[0036] Preferably, the device further comprises:

[0037] A positioning pin, disposed in the positioning hole, and used for positioning the frame;

[0038] A measuring bushing is arranged in the measuring hole, and the measuring bushing is used to protect the measuring hole; the measuring hole is used to measure the position of the annular support plate on the frame cistern positioning and clamping device.

[0039] Beneficial technical effects of this application:

[0040] The present invention provides a frame-rafter positioning and clamping device, which adopts a universal steel support seat to improve the bearing capacity; the support plate adopts an integral structure, which reduces the number of parts, improves the design efficiency, and reduces the difficulty of manufacturing and installation. The rotating shaft is connected to the support seat, and the support arm is connected to the rotating shaft through the hole on its upper mouth-shaped structure, so that the support arm can rotate 360° around the rotating shaft; the slider can slide along the long strip hole on the support arm; the stud passes through the slider, so that the stud can move along the long strip hole, thereby achieving accessibility to all positions within the rotation range of the support arm and the movement range of the slider. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 It is a structural schematic diagram of a frame cistern positioning and clamping device;

[0042] Figure 2 The structural diagram of the support seat;

[0043] Figure 3 It is the structural diagram of the rotating shaft;

[0044] Figure 4 This is the arm structure diagram;

[0045] Figure 5 This is the structure diagram of the slider;

[0046] Figure 6 It is the screw structure diagram;

[0047] Figure 7 It is the structure diagram of the briquette;

[0048] Figure 8 This is a diagram of the use status of a frame cistern positioning and clamping device;

[0049] Among them: 1. Support seat, 2. Support plate, 3. Rotating shaft, 4. Support arm, 5. Anti-slip plate, 6. Slider, 7. Screw, 8. Press block, 9. Handle, 10. Positioning pin, 11. Measuring bushing, 12. Frame. DETAILED DESCRIPTION

[0050] See also Figure 1 and Figure 8 , a frame cistern positioning and clamping device is provided, comprising a plurality of support seats 1, a support plate 2, a plurality of rotating shafts 3, a plurality of supporting arms 4, a plurality of anti-slip plates 5, a plurality of sliding blocks 6, a plurality of studs 7, a plurality of pressing blocks 8, a plurality of handles 9, a plurality of positioning pins 10 and a plurality of measuring bushings 11. The anti-slip plates are connected to the rotating shaft 3 through fasteners, and the pressing blocks 8 are connected to the studs 7 through fasteners.

[0051] The support plate may be an arc-shaped support plate, a semicircular support plate, or a whole annular support plate.

[0052] See also Figure 2 In each support seat assembly, the upper positioning plate 1-1, the lower positioning plate 1-2, the support column 1-3, the sleeve 1-4 and the plurality of rib plates 1-5 are all steel parts, which are assembled by welding. At the same time, the assembly can also be formed by casting. The surfaces of the upper positioning plate 1-1 and the lower positioning plate 1-2 are both machined surfaces, and the distance between the machined surfaces needs to be controlled. A certain number of bolt holes and pin holes for fastener installation are arranged on both. There is a deep hole with precision in the middle of the sleeve 1-4.

[0053] See also Figure 3 The support plate 2 is an annular aluminum alloy plate with a plurality of bosses on the upper surface, and a plurality of bottom holes with precision for positioning and measuring are arranged on the bosses. The lower surface is a plane, and a plurality of threaded holes and pin holes for fasteners suitable for the support seat 1 are arranged. The bosses on the lower surface and the upper surface need to be controlled;

[0054] See also Figure 3The rotating shaft 3 is a steel part with a blued surface and a stepped shaft structure with a thick middle and thin ends, and a threaded connection hole is provided at one end; one end of the rotating shaft 3 is matched with the sleeve 1-4 on the support seat 1 through the shaft and the hole, so that it can rotate 360° around the center of the grinding sleeve 1-4.

[0055] See also Figure 4 The support arm 4 has a U-shaped structure at one end, with long holes on the upper and lower surfaces of the U-shaped structure, and a square-shaped structure at the other end. The support arm 4 is connected to the rotating shaft 3 through the hole on the square-shaped structure, so that it can rotate 360° around the rotating shaft 3.

[0056] The anti-drop plate 5 is a circular ring structure, and is connected to the rotating shaft through a threaded hole at one end of the rotating shaft 3 by a fastener.

[0057] See also Figure 5 The cross section of the slider 6 is a U-shaped structure, with a through threaded hole at one end, and it is installed in the U-shaped structure of the support arm 4.

[0058] See also Figure 6 The stud 7 is a shaft-like structure with threads distributed on it. A through hole is opened in the radial direction at one end of the stud 7, and a threaded hole is opened in the axial direction at the other end. The stud 7 is connected to the threaded hole on the slider 6 through the thread, so that the slider can slide back and forth in the support arm 4 without falling out of the support arm 4.

[0059] See also Figure 7 The pressing block 8 is a stepped circular non-metallic component, which is connected to the threaded hole at one end of the stud 7 by a fastener through the countersunk hole on it to prevent it from falling off during use. The handle 9 is connected to the stud 7 through the through hole at the upper end of the stud 7.

Claims

1. A frame citrus positioning and pressing device, characterized in that: The device comprises: The arc-shaped support plate has a preset curvature; the preset curvature is determined based on the shape of the frame; At least two clamping assemblies are connected to the arc-shaped support plate, and at least two clamping assemblies are arranged based on the preset arc.

2. The device according to claim 1, characterized in that The arc-shaped support plate is provided with a plurality of bosses, the bosses are used to support the frame cistern, and the shape of the bosses matches the frame cistern; the bosses are provided with positioning holes and measuring holes.

3. The device according to claim 2, characterized in that The clamping assembly comprises: A support seat having a platform, wherein the platform is used to mount the arc-shaped support plate; wherein the position of the platform corresponds to the position of the boss; A rotating shaft, one end of which is connected to the platform; A support arm having a slide groove, one end of the support arm being connected to the other end of the rotating shaft; wherein the support arm can rotate 360° around the rotating shaft; A slider is arranged in the slide groove, a threaded hole is arranged on the slider, and the slider can slide along the slide groove; A screw rod is arranged in the threaded hole; A pressing block is made of non-metallic material and is arranged at one end of the screw; A handle, arranged at the other end of the screw; The frame cistern is placed on the boss, the handle is turned, and the screw rod moves downward until the pressing block presses the frame cistern.

4. The device according to claim 3, characterized in that The device also includes: A positioning pin, disposed in the positioning hole, and used for positioning the frame; A measuring bushing is arranged in the measuring hole, and the measuring bushing is used to protect the measuring hole; the measuring hole is used to measure the position of the arc-shaped support plate on the frame-cistern positioning and clamping device.

5. A frame citrus positioning and clamping device, characterized in that: The device comprises: An annular support plate having a plurality of bosses; At least two clamping assemblies are connected to the annular support plate, and the at least two clamping assemblies are arranged in an annular shape.

6. The device according to claim 5, characterized in that The annular support plate is provided with a plurality of bosses, the bosses are used to support the frame cistern, and the shape of the bosses matches the frame cistern; the bosses are provided with positioning holes and measuring holes.

7. The device according to claim 6, characterized in that The clamping assembly comprises: A support seat having a platform, wherein the platform is used to install the annular support plate; wherein the position of the platform corresponds to the position of the boss; A rotating shaft, one end of which is connected to the platform; A support arm having a slide groove, one end of the support arm being connected to the other end of the rotating shaft; wherein the support arm can rotate 360° around the rotating shaft; A slider is arranged in the slide groove, a threaded hole is arranged on the slider, and the slider can slide along the slide groove; A screw rod is arranged in the threaded hole; A pressing block is made of non-metallic material and is arranged at one end of the screw; A handle, arranged at the other end of the screw; The frame cistern is placed on the boss, the handle is turned, and the screw rod moves downward until the pressing block presses the frame cistern.

8. The device according to claim 7, characterized in that The device also includes: A positioning pin, disposed in the positioning hole, and used for positioning the frame; A measuring bushing is arranged in the measuring hole, and the measuring bushing is used to protect the measuring hole; the measuring hole is used to measure the position of the annular support plate on the frame cistern positioning and clamping device.

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