Drilling jig tool for H-shaped supporting frame

Abstract

The utility model provides an H-shaped supporting frame drilling jig tool which comprises a drilling jig plate, an H-shaped supporting frame drilling jig, an H-shaped supporting frame drilling jig, an H-shaped supporting frame drilling jig and an H-shaped supporting frame drilling jig. The mistake proofing block is connected with the drill plate; the mistake proofing pin is connected with the mistake proofing pin; the positioning pin is connected with the drill plate; the limiting pin is arranged at the end of the H-shaped supporting frame; wherein the mistake proofing block, the mistake proofing pin and the limiting pin are used for confirming the transverse position of the drill plate, and the positioning pin is used for confirming the longitudinal position of the drill plate; the pin is used for positioning, the mistake proofing block is used for mistake proofing, the drill plate and a part are fixed through the hook-shaped screw and the knurled nut, the structure is simple, the phenomenon that unqualified products in the previous procedure enter the next procedure to be machined is effectively avoided, and the precision of the drilling position is greatly improved.

Description

Technical Field

[0001] This application belongs to the field of machining technology, and in particular relates to an H-shaped support frame drilling jig tool. Background Technology

[0002] In the load-bearing structure of a helicopter, numerous H-shaped support frames and corner pieces are assembled to enhance the supporting force. The H-shaped support frames need to be riveted together with corner pieces of different sizes at different locations. Precise positioning is required during the riveting process of the H-shaped support frames and corner pieces.

[0003] The traditional method for positioning H-shaped support frames and corner pieces involves drilling and riveting them together according to the template positions. This method is cumbersome, time-consuming, and labor-intensive, and has a large drilling error. Workers often make mistakes during the drilling process, such as drilling the wrong hole or the hole becoming too large or elliptical during the drilling process, which affects the assembly quality. Utility Model Content

[0004] Purpose of the application: In order to improve the riveting and assembly accuracy of H-type support frames, a drilling jig tooling for H-type support frames is proposed. It not only enables precise drilling of H-type support frames, but also facilitates processing and greatly improves production efficiency.

[0005] This application provides an H-shaped support frame drilling jig fixture, the fixture comprising:

[0006] A drilling template, wherein the inner surface of the drilling template is fitted to the outer surface of the H-shaped support frame;

[0007] An error-prevention block is connected to the drill template.

[0008] An error-proof pin is connected to the error-proof pin;

[0009] The positioning pin is connected to the drill template;

[0010] A limiting pin is provided at the end of the H-shaped support frame; wherein, the anti-misalignment block, the anti-misalignment pin, and the limiting pin are used to confirm the lateral position of the drilling template, and the positioning pin is used to confirm the longitudinal position of the drilling template.

[0011] Preferably, one end of the anti-error block is fixed to the drill template by a screw along its length, and the other end extends out of the drill template.

[0012] Preferably, the protruding part of the anti-misalignment block has a partial boss, and the boss area is located at one end of the support rib of the H-shaped support frame to limit the lateral position of the product.

[0013] Preferably, the anti-misalignment pin is fitted with the transverse rib of the H-shaped support frame.

[0014] Preferably, a preset gap is provided between the limiting pin and the end of the H-shaped support frame.

[0015] Preferably, the tooling further includes:

[0016] Hook-shaped screws and knurled screws are used to fix the drill template to the outer surface of the H-shaped support frame.

[0017] The beneficial technical effects of this application are as follows:

[0018] This application provides an H-type support frame drilling jig fixture, which uses pins for positioning, anti-error blocks for error prevention, and hook-type screws and knurled nuts to fix the drilling template to the part. Its structure is simple and effectively avoids the phenomenon of defective products from the previous process entering the next process for processing, greatly improves the accuracy of the drilling part, prevents parts from being drilled incorrectly, or prevents parts from being processed out of tolerance, thus effectively reducing the drilling scrap rate. Attached Figure Description

[0019] Figure 1 This is an isometric view of the support frame provided in an embodiment of this application;

[0020] Figure 2 This is an isometric view of the drill jig tooling provided in the embodiments of this application;

[0021] Figure 3 This is a cross-sectional view of the drill jig tooling provided in the embodiments of this application;

[0022] Figure 4 This is a cross-sectional view of the error-proof block AA provided in the embodiments of this application;

[0023] Figure 5 This is a cross-sectional view of the error-proof block BB provided in the embodiment of this application;

[0024] Figure 6 This is a CC sectional view of the drilling jig tooling provided in the embodiments of this application;

[0025] Figure 7 This is a sectional view of the drill jig tooling provided in the embodiments of this application. Detailed Implementation

[0026] Please see Figures 1-7 This application provides an H-type support frame drilling jig fixture, which consists of a drilling template 1, an anti-misalignment block 2, an anti-misalignment pin 3, an internal hexagon screw 4, a fixed drill sleeve 5, a hook-shaped screw 6, a knurled nut 7, a positioning pin 8, and a limit pin 9.

[0027] The inner surface of the drill template fits the outer surface of the product. The positioning pin 8 is hung on the upper end of the product. The anti-misalignment pin fits the horizontal rib of the support frame. The limit pin is placed at the end of the product. The hook-shaped screw and the knurled screw 7 fix the drill template on the product. The fixed drill sleeve drills holes in the product precisely, achieving precise control.

[0028] Furthermore, the anti-misalignment block 2, anti-misalignment pin 3, and limiting pin 9 confirm the lateral position of the drill template, while the positioning pin 8 confirms the longitudinal position of the drill template. One end of the anti-misalignment block 2 is fixed to the drill template with screws along its length, and the other end extends out of the drill template. The extended part has a partial boss, and the boss area is located at one end of the product support rib to limit the lateral position of the product. The anti-misalignment pin fits against the other end of the product support rib to achieve positioning.

[0029] Furthermore, the lateral distance L1 between the anti-misalignment block 2 boss and the anti-misalignment pin 3, and the product support rib thickness L, L1 = L + 0.5 mm;

[0030] Furthermore, the limiting pin 9 is located at the end of the product, with a 1mm gap between it and the end of the product.

[0031] Furthermore, the number of locating pins is determined by the product size, with one locating pin set every 150mm.

[0032] Furthermore, the number of hook-type screws and knurled nuts depends on the product size, with one set of hook-type screws and knurled nuts provided for every 200mm.

[0033] The technical effects of this utility model are as follows: This utility model provides an H-type support frame drilling jig tooling that uses pins for positioning, anti-error blocks for error prevention, and hook-type screws and knurled nuts to fix the drilling template to the parts. Its structure is simple and effectively avoids the phenomenon of defective products from the previous process entering the next process for processing. It greatly improves the accuracy of the drilling part, prevents parts from being drilled incorrectly, or prevents parts from being processed out of tolerance, thus effectively reducing the drilling scrap rate.

Claims

1. A drilling jig fixture for an H-shaped support frame, characterized in that, The tooling includes: A drilling template, wherein the inner surface of the drilling template is fitted to the outer surface of the H-shaped support frame; An error-prevention block is connected to the drill template. An error-proof pin is connected to the error-proof pin; The positioning pin is connected to the drill template; A limiting pin is provided at the end of the H-shaped support frame; wherein, the anti-misalignment block, the anti-misalignment pin, and the limiting pin are used to confirm the lateral position of the drilling template, and the positioning pin is used to confirm the longitudinal position of the drilling template.

2. The tooling according to claim 1, characterized in that, One end of the anti-error block is fixed to the drill template by screws along its length, and the other end extends out of the drill template.

3. The tooling according to claim 2, characterized in that, The protruding part of the anti-misalignment block has a local boss, and the boss area is located at one end of the support rib of the H-shaped support frame to limit the lateral position of the product.

4. The tooling according to claim 3, characterized in that, The anti-misalignment pin is fitted with the transverse rib of the H-shaped support frame.

5. The tooling according to claim 4, characterized in that, A preset gap is provided between the limiting pin and the end of the H-shaped support frame.

6. The tooling according to claim 1, characterized in that, The tooling also includes: Hook-shaped screws and knurled screws are used to fix the drill template to the outer surface of the H-shaped support frame.

Images