CN219598720U

CN219598720U - Tool for machining, clamping and detecting nozzle cover

Info

Publication number: CN219598720U
Application number: CN202320719783.3U
Authority: CN
Inventors: 屈乐; 王通
Original assignee: Xi'an Chengli Aviation Manufacturing Co ltd
Current assignee: Xi'an Chengli Aviation Manufacturing Co ltd
Priority date: 2023-04-04
Filing date: 2023-04-04
Publication date: 2023-08-29
Anticipated expiration: 2033-04-04

Abstract

The utility model discloses a fixture for machining, clamping and detecting a nozzle cover, which comprises the following components: the positioning seat is provided with a clamping column on one side and a positioning inclined plane on the other side, and a positioning groove is formed in the positioning inclined plane; the positioning fixing assembly is arranged on the positioning inclined plane and is positioned on one side of the positioning groove; the detection assembly is arranged on the outer side of the positioning groove and is fixedly connected with the positioning seat. The tool disclosed by the utility model has the advantages of simple structure, convenience in installation and accurate positioning, ensures the processing quality of the nozzle cover, can simultaneously complete the detection of the position degree of the spray hole, and improves the production efficiency.

Description

Tool for machining, clamping and detecting nozzle cover

Technical Field

The utility model relates to the technical field of part machining, in particular to a tool for machining, clamping and detecting a nozzle cover.

Background

The nozzle cover shown in fig. 1 is one of important components on the aeroengine, and the machining precision directly influences the nozzle performance and indirectly influences the service life of the aeroengine. The nozzle cover comprises a main body, wherein one side of the main body is connected with a cover body, the cover body is inclined upwards along the direction away from the main body, the other side of the cover body is connected with a nozzle, and a spray hole is formed in the nozzle. The two sides and the top of the main body adjacent to the cover body are all plane, and the two sides of the top of the main body are machined with wire locking holes penetrating through the side walls.

After the nozzle cover is molded, the thread locking hole is machined, and the position degree of the spray hole is required to be detected. Therefore, a tool is designed to position and clamp the nozzle cover, so that the machining precision of the wire locking hole is ensured, and the detection of the position degree of the spray hole is realized.

Disclosure of Invention

In view of the above-mentioned drawbacks or shortcomings in the prior art, it is desirable to provide a fixture for processing, clamping and detecting a nozzle cover, which has the advantages of simple structure, convenient installation, accurate positioning, ensuring processing quality, simultaneously completing detection of the nozzle holes, and improving production efficiency.

The utility model provides a fixture for processing, clamping and detecting a nozzle cover, which comprises the following components:

the positioning seat is fixedly provided with a clamping column on one side and a positioning inclined plane matched with the inclination of the cover body of the nozzle cover on the other side, and a positioning groove in clearance fit with the cover body is formed in the positioning inclined plane;

the positioning and fixing assembly is arranged on the positioning inclined plane and positioned at one side of the positioning groove and is used for positioning and fixing the nozzle cover in cooperation with the positioning groove so that the spray hole of the nozzle cover is coaxial with the clamping column; the positioning and fixing assembly comprises a pressing plate, wherein the pressing plate is connected with the positioning inclined plane through a first screw, one end of the pressing plate is provided with a positioning clamping groove in clearance fit with the width of the main body of the nozzle cover, a supporting block is arranged between the other end of the pressing plate and the positioning inclined plane, limiting blocks are symmetrically and fixedly arranged on the two sides of the pressing plate on the positioning inclined plane, and the space between the two limiting blocks is in clearance fit with the width of the pressing plate;

the detection assembly is arranged at the outer side of the positioning groove, is fixedly connected with the positioning seat and is used for detecting the position degree of the spray hole of the nozzle cover; the detection assembly comprises a support fixedly connected with the positioning seat, a through hole is formed in the support, the through hole is located on the axis of the clamping column, the detection pin passes through the through hole in a clearance fit mode, and a detection head in clearance fit with the spray hole is arranged at one end, close to the positioning groove, of the detection pin.

Further, the bracket comprises a transverse plate and a vertical plate fixedly connected with one end of the top of the transverse plate; the through holes are positioned on the vertical plates; one side of the positioning seat is positioned below the positioning inclined plane and is provided with a slot in clearance fit with the transverse plate, and one end of the transverse plate, which is far away from the vertical plate, is fixedly connected with the slot through a second screw.

Further, the positioning seat is cylindrical coaxial with the clamping column.

Further, the positioning seat, the positioning fixing assembly and the detection assembly are all made of stainless steel materials.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The tool disclosed by the utility model is provided with a positioning seat and a positioning and fixing assembly. When the wire locking hole on the nozzle cover is machined, the nozzle cover is positioned and fixed through the positioning groove on the positioning seat in cooperation with the positioning and fixing assembly, and then the positioning column on the positioning seat is clamped by the clamping jaw of the machine tool, so that the accurate positioning and fixing of the nozzle cover are realized, the machining precision of the wire locking hole is ensured, and the quality of the nozzle cover is ensured.

(2) The tool is also provided with the detection assembly, and after the positioning and fixing assembly is used for positioning and fixing the nozzle cover, the detection assembly can be used for detecting the position degree of the spray hole, so that the operation is convenient and rapid, the detection is accurate, the synchronous processing and detection are realized, and the production efficiency is effectively improved.

It should be understood that the description in this summary is not intended to limit the critical or essential features of the embodiments of the utility model, nor is it intended to limit the scope of the utility model. Other features of the present utility model will become apparent from the description that follows.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of a nozzle cover;

FIG. 2 is a schematic structural diagram of a tooling;

fig. 3 is a schematic structural view of the nozzle cover mounted on the tooling.

Reference numerals in the drawings: 1. a nozzle cover; 2. a positioning seat; 3. positioning and fixing the assembly; 4. a detection assembly;

11. a main body; 12. a cover body; 13. a nozzle; 14. a spray hole; 15. a wire locking hole;

21. a clamping column; 22. positioning an inclined plane; 23. a positioning groove; 24. a slot;

31. a pressing plate; 32. a first screw; 33. positioning clamping grooves; 34. a support block; 35. a limiting block;

41. a bracket; 42. a through hole; 43. a detection pin; 44. a detection head; 45. and a second screw.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1 to 3, an embodiment of the present utility model provides a fixture for clamping and detecting a nozzle cover, including:

a clamping column 21 is fixedly arranged on one side of the positioning seat 2, a positioning inclined plane 22 matched with the inclination of the cover body 12 of the nozzle cover 1 is arranged on the other side of the positioning seat, and a positioning groove 23 in clearance fit with the cover body 12 is arranged on the positioning inclined plane 22;

the positioning and fixing assembly 3 is arranged on the positioning inclined plane 22 and positioned at one side of the positioning groove 23, and is used for positioning and fixing the nozzle cover 1 by matching with the positioning groove 23, so that the spray hole 14 of the nozzle cover 1 is coaxial with the clamping column 21;

the detecting component 4 is arranged outside the positioning groove 23, fixedly connected with the positioning seat 2 and used for detecting the position of the spray hole 14 of the nozzle cover 1.

In this embodiment, when machining the wire locking hole 15 on the nozzle cover 1 shown in fig. 1, the clamping column 21 is clamped by the clamping jaw of the machine tool, then the cover body 12 is embedded into the positioning groove 23, and the positioning fixing assembly 3 is used for positioning and fixing the nozzle cover 1, so that the spray hole 14 of the nozzle cover is coaxial with the clamping column 21, the precise positioning and fixing of the nozzle cover 1 are realized, and the machining precision of the wire locking hole 15 is ensured.

After the positioning and fixing of the nozzle cover 1 are completed, the position degree of the spray hole 14 is detected through the detection assembly 3, the operation is convenient and fast, the detection is accurate, the synchronous processing and detection are realized, and the production efficiency is effectively improved.

In a preferred embodiment, as shown in fig. 2 and 3, the positioning and fixing assembly 3 includes a pressing plate 31, where the pressing plate 31 is connected to the positioning inclined plane 22 by a first screw 32, one end of the pressing plate is provided with a positioning slot 33 in clearance fit with the width of the main body 11 of the nozzle cover 1, a supporting block 34 is disposed between the other end of the pressing plate and the positioning inclined plane 22, two symmetrical fixing limiting blocks 35 are disposed on two sides of the pressing plate 31 on the positioning inclined plane 22, and a space between the two limiting blocks 35 is in clearance fit with the width of the pressing plate 31.

In this embodiment, after the cover 12 is inserted into the positioning groove 23, the pressing plate 31 passes through between the two limiting blocks 35, and simultaneously the nozzle cover 1 is rotated to clamp the positioning grooves 33 on both sides of the main body 11. At this time, the pressing plate 31 is pressed on the cover body 12, and then the pressing plate 31 is locked and fixed by the first screw 32, so as to complete the positioning and fixing of the nozzle cover 1.

Because the profile of the cover body 1 is circular, the positioning of the nozzle cover 1 cannot be realized through the positioning groove 23 alone, and the accurate positioning of the nozzle cover 1 is realized through the cooperation of the positioning clamping groove 33, so that the axis of the spray hole 14 coincides with the axis of the clamping column, the processing quality of the nozzle cover 1 is ensured, and meanwhile, the detection of the spray hole 14 is ensured.

In a preferred embodiment, as shown in fig. 2 and 3, the detecting assembly 4 includes a bracket 41 fixedly connected to the positioning seat 2, a through hole 42 is formed in the bracket 41, the through hole 42 is located on the axis of the clamping post 21, a detecting pin 43 passes through the through hole 42 in a clearance fit manner, and a detecting head 44 in a clearance fit with the spray hole 14 is disposed at one end of the detecting pin 43, which is close to the positioning slot 23.

In the present embodiment, after the positioning and fixing of the nozzle cap 1 are completed, the detection pin 43 is passed through the through hole 42, and then the detection pin 43 is pushed to move toward the nozzle cap 1. If the detection head 44 can be inserted into the nozzle 14, the position of the nozzle 14 is qualified; otherwise, the test result is disqualified. The operation is convenient, and the detection is accurate.

In a preferred embodiment, as shown in fig. 2 and 3, the bracket 41 includes a cross plate and a riser fixedly connected to one end of the top thereof; the through holes 42 are positioned on the risers; one side of the positioning seat 2 is positioned below the positioning inclined plane 22 and is provided with a slot 24 in clearance fit with a transverse plate, and one end of the transverse plate, which is far away from the vertical plate, is fixedly connected with the slot through a second screw 45.

In this embodiment, the stand 41 adopts an independent structure, and is connected with the positioning seat 2 through the second screw 45, so that the processing difficulty of the tool is reduced, and the manufacturing cost of the tool is reduced.

In a preferred embodiment, as shown in fig. 2 and 3, the positioning seat 2 is cylindrical coaxial with the clamping column 21, and the cylindrical positioning seat 2 is convenient for accurate forming of related structures thereon due to high machining precision requirements of the tool, so that machining and manufacturing of the tool are facilitated.

In a preferred embodiment, as shown in fig. 2 and 3, the positioning seat 2, the positioning fixing component 3 and the detecting component 4 are all made of stainless steel materials, so that the structure is high in strength, not easy to deform, not easy to corrode and rust, and long in service life.

In the description of the present specification, the terms "connected," "mounted," "secured," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the description of the present specification, the terms "one embodiment," "some embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A frock for nozzle cover processing clamping and detection, its characterized in that includes:

2. The tooling for clamping and detecting a nozzle cover according to claim 1, wherein the bracket comprises a cross plate and a vertical plate fixedly connected with one end of the top of the cross plate; the through holes are positioned on the vertical plates; one side of the positioning seat is positioned below the positioning inclined plane and is provided with a slot in clearance fit with the transverse plate, and one end of the transverse plate, which is far away from the vertical plate, is fixedly connected with the slot through a second screw.

3. The tooling for clamping and detecting a nozzle cover according to claim 1, wherein the positioning seat is cylindrical and coaxial with the clamping post.

4. The tooling for clamping and detecting a nozzle cover according to claim 1, wherein the positioning seat, the positioning fixing assembly and the detecting assembly are all made of stainless steel materials.