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CN-121972603-A - Cross reciprocating motion safety bearing and shaping device for aerospace self-plugging rivet

CN121972603ACN 121972603 ACN121972603 ACN 121972603ACN-121972603-A

Abstract

A cross reciprocating safe bearing shaping device of an aerospace self-plugging rivet relates to the field of manufacturing and processing of self-plugging rivets and comprises a bottom plate, a T-shaped penetrating engine seat, a U-shaped supporting frame, a bottom galvanized bolt, a middle rotating rod, a cross sliding U-shaped groove, a belt roller, a belt, a roller rotating shaft, a roller penetrating square, a fixed gear, a movable gear, a linkage long rod, a longitudinal sliding block, a top flat plate connecting column, a middle flat plate connecting column and a transverse sliding block. The T-shaped penetrating engine seat can be used for linking the fixed gear and the movable gear, so that the power transmission safety operation can be very sensitively finished, and the combination of the linkage long rod, the longitudinal sliding block and the transverse sliding block can be used for very accurately driving the top flat plate and the middle flat plate to finish the reciprocating safety motion.

Inventors

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Assignees

  • 中南大学

Dates

Publication Date
20260505
Application Date
20260302

Claims (10)

  1. 1. The utility model provides an aerospace blind rivet's cross reciprocating motion safety bears setting device, including bottom plate, U type support frame and cross support frame, U type support frame quantity is two, fasten respectively in the left and right sides of bottom plate the U type support frame outside sets up T type through engine mount respectively, T type through engine mount fasten in on the bottom plate and be used for the fixed stay T type through engine, T type through engine sharing an intermediate rotary rod, and be fixed with rotatable belt gyro wheel in the outside, U type support frame top is fixed with the gyro wheel and runs through the square, run through the square through the gyro wheel rotation axis of built-in fixedly connected with rotatable belt gyro wheel in the outside, in inboard fixedly connected with rotatable fixed gear, through the rotation synchronization of belt gyro wheel drive the rotation of fixed gear, cross support frame quantity is two, fasten in the bottom plate left and right sides set up cross sliding U type groove on the cross support frame cross sliding U type groove have horizontal sliding U type groove and vertical sliding U type groove, through the spliced pole connecting the middle post between the horizontal sliding U type groove, the dull and stereotyped pole connecting the top can be in the dull and stereotyped through the lug is connected with the dull and stereotyped through the lug, the dull and stereotyped top is connected with the dull and stereotyped through the lug and can be in the dull and stereotyped through the middle slip, the dull and stereotyped top is connected with the dull and stereotyped top through the lug and the dull and stereotyped respectively, the top flat plate connecting column and the middle flat plate connecting column respectively penetrate through the outer sides of the longitudinal sliding U-shaped groove and the transverse sliding U-shaped groove of the cross sliding U-shaped groove, a longitudinal sliding block and a transverse sliding block are respectively fixed, a linkage long rod is arranged between the transverse sliding block and the longitudinal sliding block of the same cross sliding U-shaped groove, a rotatable movable gear is arranged in the middle of the linkage long rod, the T-shaped belt roller penetrating through the outer side of the engine and the belt roller penetrating through the outer side of the square are driven through a belt, and the fixed gear and the movable gear are driven through meshing.
  2. 2. The device of claim 1, wherein the bottom plate and the T-shaped penetrating engine seat are connected by adopting a bottom galvanized bolt fastening mode, the bottom plate and the U-shaped supporting frame are connected by adopting a bottom galvanized bolt fastening mode, the middle rotating rod and the belt roller are connected by adopting a microbeam plasma welding mode, the roller rotating shaft and the belt roller are connected by adopting a TIG welding mode, the roller rotating shaft and the fixed gear are connected by adopting a TIG welding mode, and the movable gear and the linkage long rod are connected by adopting a pin lubrication clearance fit mode.
  3. 3. The device of claim 1 or 2, wherein the base plate has a length of 131.5 mm, a width of 110 mm and a thickness of 5mm.
  4. 4. The apparatus of claim 1 or 2, wherein the T-shaped through-engine mount has a height of 12 mm and a width of 8 mm.
  5. 5. The device according to claim 1 or 2, wherein the U-shaped support frame has a height of 60 mm, a width of 7.5 mm and a thickness of 3 mm.
  6. 6. A device according to claim 1 or 2, wherein the intermediate rotatable rod has a length of 131 mm and a diameter of 5mm.
  7. 7. The device according to claim 1 or 2, wherein the cross sliding U-shaped groove has a height of 95 mm, a thickness of 5.75 mm and a width of 110 mm.
  8. 8. The apparatus of claim 1 or 2, wherein the belt roller has an outer diameter of 12 mm and a thickness of 5mm, the belt has a width of 4 mm, and the roller rotating shaft has a diameter of 6 mm and a length of 30 mm.
  9. 9. The device according to claim 1 or 2, wherein the roller has a length of 20 mm, a square cross section and a side length of 10mm, the fixed gear has a tooth top circle diameter of 18 mm and a tooth root circle diameter of 12 mm, and the movable gear has a tooth top circle diameter of 18 mm and a tooth root circle diameter of 12 mm.
  10. 10. The apparatus of claim 1 or 2, wherein the length of the linkage rod is 37 mm, and the length of the top plate and the middle plate is 50 mm, the width is 30mm, and the thickness is 5mm.

Description

Cross reciprocating motion safety bearing and shaping device for aerospace self-plugging rivet Technical Field The invention relates to a special shaping device for an aerospace self-plugging rivet, belongs to the field of manufacturing and processing of self-plugging rivets, and particularly relates to a cross reciprocating safe bearing shaping device for the aerospace self-plugging rivet. Background Aerospace blind rivets are used as blind rivet fasteners specially used in the aerospace field, and because of the flight safety, very high precision is required, and very high reliability, connection strength and the like are required. The blind rivet is generally composed of four parts, namely a rivet stem, a rivet sleeve, a locking ring and a top sheet. The nail rod is provided with a serrated head, a neck breaking groove, a shearing ring and the like, the head is provided with a tiny inner cavity when the tail end of the nail sleeve is subjected to rivet drawing and forming, the lock ring is assembled at the neck breaking groove part, the nail rod and the nail sleeve are locked after riveting, the top sheet provides a stress reference surface when the rivet gun is subjected to rivet drawing, such as aluminum alloy, structural steel and composite materials used for connecting aerospacecrafts such as an airplane and the like, and the nail rod is installed at the parts such as a horizontal stabilizer of the airplane, wings, engine nacelle and the like or the connection of non-structural parts such as an airplane internal device, a floor, deicing equipment and the like. In the assembly of the aerospace self-plugging rivet, the safe bearing and the accurate qualitative of the self-plugging rivet, the cross reciprocating motion and the like are required to be realized, and conventionally, a special tool is required to be realized, and a series of problems of positioning deviation, unstable bearing, uneven shaping and the like during riveting are solved by the core of the special tool, so that the strength and the consistency of a riveting joint are ensured. For this purpose, a series of related technical solutions are disclosed in the prior art, and since the industry belongs to a special industry, the disclosed tool usually discloses some technical details in a civil manner. Such as the chinese patent literature of application number CN202223005468.9 discloses a reciprocating motion safety stroke controlling means, belongs to the stroke control field, including the bottom plate, the bottom plate upper end is connected with the fixed plate, and the bottom plate upper end is connected with the mounting panel, and the fixed plate sets up with the mounting panel symmetry, installs the motor on the lateral wall of mounting panel one side is kept away from to the fixed plate, and the motor output runs through the fixed plate lateral wall and outwards extends and has the lead screw through the coupling joint, and the lead screw other end passes through the bearing to be connected on the lateral wall of mounting panel, and the spout has been seted up to the bottom plate upper end, and sliding connection has the slider in the spout. The utility model overcomes the defects of the prior art, and automatically controls the reciprocating motion through the mutual matching among the structures such as a bottom plate, a fixed plate, a mounting plate, a motor, a screw rod, a sliding chute, a sliding block, a driving block, a threaded hole, a fixed block, a contact rod, a mounting seat, a controller, a first control switch, a second control switch and the like, thereby reducing the labor force, saving the time and improving the working efficiency. However, in the technical scheme, the structure of the tool is complex, the power transmission efficiency is low, and the practical value is not high. The chinese patent literature, such as application number CN201920306919.1, proposes a precise linear reciprocating mechanism of a cantilever type high-load platform, including an operation platform, a reference platform is disposed above the operation platform, the reference platform is fixed above the operation platform by a support plate on the left and right sides of the upper surface of the operation platform, a top plate is disposed above the reference platform, a guide post and a screw rod are connected between the top plate and the reference platform, the screw rod is driven by a servo motor, a load platform is disposed between the reference platform and the top plate, a screw rod nut is disposed on the load platform, the screw rod nut is sleeved on the screw rod, the guide post penetrates through a guide through hole on the load platform to be connected with the top plate, a buffer device is disposed on the upper side and the lower side of the load platform, a first photoelectric sensing device is disposed on the upper surface of the reference platform, a second photoelectric sensing device is disposed on the bottom side of the