Positioning tool testing fixture for key tooth flange

Abstract

The utility model discloses a positioning tool testing fixture for a key tooth flange, which comprises a testing fixture main body, the testing fixture main body is of a cylindrical structure, the peripheral surface of the bottom of the testing fixture main body is provided with a plurality of outer notches matched with outer operation blocks, and the center of the bottom of the testing fixture main body is provided with a key tooth cylinder groove matched with a key tooth cylinder. The center of the testing fixture main body is provided with a testing fixture key tooth hole aligning through groove which is matched with the key tooth hole and is communicated with the key tooth cylinder groove. The positioning tool checking fixture for the key tooth flange is reasonable in structural design, the outer operation block arranged on the peripheral surface of the key tooth flange can be operated conveniently, the positioning tool checking fixture can serve as a tool to assist in key tooth machining, guarantee the key tooth machining angle and improve the machining efficiency, the positioning tool checking fixture can be used for checking the key tooth flange, the checking efficiency is improved, and the working efficiency is improved. And the application prospect is promising.

Description

Technical Field

[0001] This utility model relates to the field of inspection tool technology, and to a positioning tooling inspection tool for keyed flanges. Background Technology

[0002] A keyed flange is a mechanical fastener that uses keyed connections and is commonly used to connect shafts and gears. Current keyed flanges have the following problems: 1) The circumferential surface of the flange generally lacks a point of leverage, making rotation inconvenient; 2) The angles of the keyed teeth within the keyhole and the outer shape are difficult to control during machining.

[0003] Therefore, developing a positioning fixture for keyed flanges that can facilitate the machining of keyed flanges is of great practical significance. Utility Model Content

[0004] Due to the aforementioned defects in the existing technology, this utility model provides a positioning fixture for keyed flanges that facilitates the machining of keyed flanges. When used in conjunction with a broaching machine to machine the keyed flanges, it can both ensure the angle and improve machining efficiency, thus solving the current problem of difficulty in controlling the angle of the keyed flanges inside the keyed flange holes and during the machining of the outer shape.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A positioning fixture for a keyed flange, the keyed flange includes a flange base plate, the flange base plate is a circular plate structure and a keyed cylinder coaxial with the flange base plate is vertically fixed at its center, the keyed cylinder has a keyed hole perpendicular to the flange base plate and penetrating the keyed cylinder, and a plurality of external operating blocks are fixed around the keyed cylinder on the flange base plate and the external operating blocks and the keyed cylinder are located on the same side of the flange base plate.

[0007] The positioning fixture for the keyed flange includes a fixture body;

[0008] The main body of the fixture is cylindrical. Multiple external notches matching the outer operating block are opened on the circumferential surface of the bottom of the fixture body. A key tooth cylinder groove matching the key tooth cylinder is opened at the center of the bottom of the fixture body. A fixture key tooth hole alignment through groove matching the key tooth hole and communicating with the key tooth cylinder groove is opened at the center of the fixture body.

[0009] The usage method of the positioning fixture for the above-mentioned keyed flange is as follows:

[0010] 1. Machining key teeth: Install the keyed flange onto the broaching machine using a positioning fixture and broaching tool to machine the key teeth inside the key hole of the keyed flange;

[0011] 2. Operation for inspecting keyed flanges: Install the keyed flange onto the keyed flange using a positioning fixture and ensure it is snapped and aligned with the keyed flange. Then insert the inspection key into the aligned through slot of the key hole in the fixture. If it can be fully inserted, the inspection is qualified.

[0012] The positioning fixture for keyed flanges of this utility model has a reasonable structural design. The outer operating block provided on the outer circumference of the keyed flange can be easily operated and can be used for multiple purposes. It can not only be used as a tooling to assist in the keyed flange processing, ensure the keyed flange processing angle and improve processing efficiency, but also be used for the inspection of keyed flanges to improve inspection efficiency. It has great application prospects.

[0013] As a preferred technical solution:

[0014] As described above, a positioning fixture for a keyed flange has a fixture body, a keyed hole alignment groove, and a keyed cylinder groove that are coaxial.

[0015] As described above, a positioning fixture for a keyed flange has three external operating blocks.

[0016] As described above, a positioning fixture for a keyed flange has multiple external operating blocks evenly distributed around the central axis of the flange base plate.

[0017] As described above, a positioning fixture for a keyed flange has multiple external notches evenly distributed around the central axis of the fixture body.

[0018] As described above, in a positioning fixture for a keyed flange, after the keyed flange and the positioning fixture for the keyed flange are snapped and aligned, the key holes and the key holes of the fixture are aligned with the through groove.

[0019] The above technical solution is only one feasible technical solution of this utility model. The protection scope of this utility model is not limited to this. Those skilled in the art can reasonably adjust the specific design according to actual needs.

[0020] Compared with the prior art, the above-mentioned utility model has the following advantages or beneficial effects:

[0021] The positioning fixture for keyed flanges of this utility model has a reasonable structural design. The outer operating block provided on the outer circumference of the keyed flange can be easily operated and can be used for multiple purposes. It can not only be used as a tooling to assist in the keyed flange processing, ensure the keyed flange processing angle and improve processing efficiency, but also be used for the inspection of keyed flanges to improve inspection efficiency. It has great application prospects. Attached Figure Description

[0022] The present invention, its features, shape, and advantages will become more apparent from the following detailed description of non-limiting embodiments with reference to the accompanying drawings. Like reference numerals denote like parts throughout the drawings. The drawings are not drawn to scale; their purpose is to illustrate the gist of the invention.

[0023] Figure 1 and Figure 2 These are three-dimensional structural diagrams of the keyed flange from different perspectives;

[0024] Figure 3 This is a top view of the keyed flange;

[0025] Figure 4 for Figure 3 AA section view;

[0026] Figure 5 This is a three-dimensional structural diagram of the positioning fixture for keyed flanges according to this utility model;

[0027] Figure 6 This is the front view of the positioning fixture for keyed flanges of this utility model;

[0028] Figure 7 for Figure 6 PP sectional view;

[0029] Figure 8 This is a bottom view of the positioning fixture for the keyed flange of this utility model;

[0030] Figure 9 This is a schematic diagram illustrating the positioning of a keyed flange using the positioning fixture of this utility model.

[0031] Among them, 1 is the keyed flange, 11 is the flange base plate, 12 is the keyed cylinder, 13 is the keyed hole, 14 is the outer operating block, 2 is the positioning fixture for the keyed flange, 21 is the fixture body, 22 is the outer notch, 23 is the keyed cylinder groove, and 24 is the keyed hole alignment groove of the fixture. Detailed Implementation

[0032] The structure of this utility model will be further described below with reference to the accompanying drawings and specific embodiments, but this is not intended to limit the utility model.

[0033] Example 1

[0034] Key flange 1 Figures 1-4As shown, the flange includes a flange base plate 11, which is a circular plate structure and has a keyed cylinder 12 coaxial with the flange base plate 11. The keyed cylinder 12 has a keyed hole 13 perpendicular to the flange base plate 11 and passing through the keyed cylinder 12. Three outer operating blocks 14 are fixed on the flange base plate 11 around the keyed cylinder 12 and are evenly distributed around the central axis of the flange base plate 11. The outer operating blocks 14 and the keyed cylinder 12 are located on the same side of the flange base plate 11.

[0035] A positioning fixture 2 for keyed flanges, such as Figures 5-8 As shown, it includes the main body of the inspection tool 21;

[0036] The main body 21 of the fixture has a cylindrical structure. The bottom of the main body 21 has three external notches 22 that match the outer operating block 14. The three external notches 22 are evenly distributed around the central axis of the main body 21. The bottom of the main body 21 has a key tooth cylinder groove 23 that matches the key tooth cylinder 12. The center of the main body 21 has a fixture key tooth hole alignment through groove 24 that matches the key tooth hole 13 and communicates with the key tooth cylinder groove 23. The fixture main body 21, the fixture key tooth hole alignment through groove 24 and the key tooth cylinder groove 23 are coaxial.

[0037] like Figure 9 As shown, after the key flange 1 and the key flange are snapped and aligned with the positioning fixture 2, the key hole and the key hole alignment groove of the fixture are aligned. The inspection key is inserted into the key hole alignment groove of the fixture. If it can be fully inserted, the inspection is qualified.

[0038] In summary, this application provides a positioning fixture for keyed flanges with a reasonable structural design. The outer operating block provided on the outer circumferential surface of the keyed flange facilitates operation and can be used for multiple purposes. It can not only serve as a tooling to assist in keyed flange machining, ensuring the keyed flange machining angle and improving machining efficiency, but also be used for the inspection of keyed flanges, improving inspection efficiency, and has great application prospects.

[0039] Those skilled in the art should understand that variations can be implemented by combining existing technology with the above embodiments, which will not be elaborated here. Such variations do not affect the substantive content of this utility model, and will not be elaborated here.

[0040] The preferred embodiments of this utility model have been described above. It should be understood that this utility model is not limited to the specific embodiments described above. Devices and structures not described in detail herein should be understood as being implemented in a conventional manner within the art. Any person skilled in the art can make many possible variations and modifications to the technical solutions of this utility model using the disclosed methods and techniques, or modify them into equivalent embodiments with equivalent changes, without departing from the scope of the technical solution of this utility model. This does not affect the essential content of this utility model. Therefore, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of this utility model, without departing from the content of the technical solution of this utility model, still fall within the protection scope of the technical solution of this utility model.

Claims

1. A positioning fixture for keyed flanges, characterized in that: The keyed flange includes a flange base plate, which is a circular plate structure with a keyed cylinder coaxial with the flange base plate fixed vertically at its center. The keyed cylinder has keyed holes perpendicular to the flange base plate and penetrating through the keyed cylinder. Multiple external operating blocks are fixed around the keyed cylinder on the flange base plate, and the external operating blocks and the keyed cylinder are located on the same side of the flange base plate. The positioning fixture for the keyed flange includes a fixture body; The main body of the fixture is cylindrical. Multiple external notches matching the outer operating block are opened on the circumferential surface of the bottom of the fixture body. A key tooth cylinder groove matching the key tooth cylinder is opened at the center of the bottom of the fixture body. A fixture key tooth hole alignment through groove matching the key tooth hole and communicating with the key tooth cylinder groove is opened at the center of the fixture body.

2. The positioning fixture for a keyed flange according to claim 1, characterized in that, The main body of the inspection fixture, the key tooth hole of the inspection fixture, and the key tooth cylinder groove are coaxial.

3. The positioning fixture for a keyed flange according to claim 1, characterized in that, There are three external operation blocks.

4. The positioning fixture for a keyed flange according to claim 1, characterized in that, Multiple external operating blocks are evenly distributed around the central axis of the flange base plate.

5. A positioning fixture for a keyed flange according to claim 4, characterized in that, Multiple external notches are evenly distributed around the central axis of the fixture body.

6. A positioning fixture for a keyed flange according to claim 1, characterized in that, After the keyed flanges are aligned with each other using a positioning fixture, the key holes are aligned with the key holes of the fixture and the through slots are aligned.

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