Threaded positioning pin structure for unmanned aerial vehicle assembly

A technology of positioning pins and drones, which is applied to bolts, workpiece clamping devices, manufacturing tools, etc., can solve problems such as low production efficiency, short production operation time, and complicated clamping methods, so as to achieve convenient operation and improve production efficiency , the effect of reducing the number of parts

Pending Publication Date: 2020-11-17
XIAN AISHENG TECH GRP +1
3 Cites 0 Cited by

AI-Extracted Technical Summary

Problems solved by technology

[0005] In order to avoid the deficiencies existing in the prior art, and overcome the problems of complicated positioning and clamping methods and low production efficiency of small and medium-sized UAV wing assembly tooling, the present invention proposes a threaded positioning pin structure for UAV assembly; ...
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Method used

In the present embodiment, one part is used to replace three parts in the thread positioning pin structural form, and when the wing is assembled, the operating space is larger, and the operation is more ...
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Abstract

The invention discloses a threaded positioning pin structure for unmanned aerial vehicle assembly. The threaded positioning pin structure is composed of a positioning pin body, an angle seat and a clamping plate assembly. The positioning pin body and the angle seat are matched and are symmetrically mounted at the inner sides of the end part of a clamping plate through bolt connection. The positioning pin body sequentially comprises an outer hexagonal section, a pin handle, a tool withdrawal groove, a positioning pin rod, a guide section and a threaded section from the upper end to the bottom,wherein the outer hexagonal section is connected with a pneumatic tool hexagonal pneumatic sleeve in a matched manner, the pin handle is a cylinder, on one hand, the outer hexagonal section is liftedto facilitate operation of a pneumatic tool, and on the other hand, manual operation is facilitated to achieve screwing into a supporting plate nut during installation. The tool withdrawal groove facilitates tool withdrawal during machining. The clamping plate assembly is accurately positioned on a wing assembling tool base through the positioning pin rod; and the threaded section is used for applying clamping force, so that the clamping plate assembly and the wing assembling tool base are connected into a whole. The threaded positioning pin structure can achieve the positioning and clamping functions and can also be rapidly operated through the pneumatic tool, so that the production efficiency is greatly improved, and the production cost is reduced.

Application Domain

Technology Topic

Pneumatic toolMachining +2

Image

  • Threaded positioning pin structure for unmanned aerial vehicle assembly
  • Threaded positioning pin structure for unmanned aerial vehicle assembly
  • Threaded positioning pin structure for unmanned aerial vehicle assembly

Examples

  • Experimental program(1)

Example Embodiment

[0020] This embodiment is a structure for assembling threaded positioning pins for drones.
[0021] See figure 1 , figure 2 The threaded positioning pin structure used in the assembly of the drone in this embodiment is composed of a positioning pin body, a corner seat, and a clamping plate assembly. The positioning pin body is matched with the corner seat. At the inner edge of the plane of the end of the board, the corner seat and the card board are fixedly connected by bolts.
[0022] The positioning pin body structure from the upper end downwards is the outer hexagonal section 1, the pin handle 2, the first relief groove 3, the positioning pin rod 4, the guide section 5, the second relief groove 6, and the threaded section 7; The hexagonal section 1 is used to connect with the hexagonal pneumatic sleeve of the pneumatic tool. According to the thread size of the threaded section 7, refer to the corresponding bolt head specifications of GB5780. The pin 2 is a cylindrical structure. On the one hand, the position of the outer hexagon is raised to facilitate the operation of pneumatic tools; on the other hand, the outer surface is provided with a second cut surface and is knurled to facilitate manual operation by the operator during installation and smooth it Screw into the pallet nut of the wing assembly tool base, the outer diameter of the pin 2 is the same as or slightly larger than the maximum size of the outer hexagonal section 1, and the length is 40-60mm. The first relief groove 3 is located where one end of the positioning pin 4 and the pin handle 2 are connected, the second relief groove 6 is located at the other end of the positioning pin 4 and the threaded section 7, the first relief groove 3, the second relief groove 6 is easy to retract the tool during processing. The positioning pin 4 is a cylinder, used to accurately position the chuck assembly 9 on the wing assembly tooling base. Its diameter is the same as the pin hole on the chuck assembly 9, the tolerance is f7 or h7, and the length is longer than the total length of the pin hole Short 2~3mm. The guide section 5 is used to guide the positioning pin 4 and fine-tune the position of the pallet nut on the wing assembly tool base between 0 and 1 mm. The threaded section 7 is used to apply the clamping force, and the size specification is consistent with the corresponding pallet nut on the wing assembly tool base, so that the clamping plate component 8 and the wing assembly tool base are integrated.
[0023] The main raw material of the threaded positioning pin in this embodiment is 45 # Steel, heat treatment is HRC28-32, and surface treatment is black anodization.
[0024] In this embodiment, the threaded positioning pin structure uses one part instead of three parts, and the operation space is larger when the wing is assembled, and the operation is more convenient. At the same time, the production time is only 10% of the past, which greatly improves the production efficiency. , And the number of parts is reduced, which reduces production costs.
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PUM

PropertyMeasurementUnit
Length40.0 ~ 60.0mm
tensileMPa
Particle sizePa
strength10

Description & Claims & Application Information

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