CN219337122U

CN219337122U - Lathe rough machining equipment for turbine impeller

Info

Publication number: CN219337122U
Application number: CN202320847721.0U
Authority: CN
Inventors: 唐飞; 董秀华; 邵鑫
Original assignee: Shandong Yufeng Power Technology Co ltd
Current assignee: Shandong Yufeng Power Technology Co ltd
Priority date: 2023-04-17
Filing date: 2023-04-17
Publication date: 2023-07-14
Anticipated expiration: 2033-04-17

Abstract

The utility model discloses lathe rough machining equipment for a turbine impeller, which comprises a lathe machining table, wherein one end of the lathe machining table is fixedly connected with a base, the inner side wall of the base is fixedly connected with an electric push rod, the telescopic end of the electric push rod is provided with sand stones, a motor is fixedly connected to the position, close to the base, of the top of the lathe machining table in an embedded mode, a motor driving shaft penetrates through the base and is fixedly connected with a positioning assembly, the positioning assembly comprises a base, the top of the base is fixedly connected with a limiting cylinder, the periphery of the limiting cylinder penetrates through and is slidably connected with a positioning block, and the inside of the limiting cylinder is slidably connected with a limiting rod. According to the utility model, the positioning assembly, the motor and the base are matched with each other, and the positioning assembly is used for clamping the impeller from the inside and the outside of the impeller, so that the positioning of the impeller with different sizes is convenient to adapt, the positioning stability of the impeller is greatly improved, the impeller is not easy to deviate in the processing process, and the processing efficiency and the processing quality of the impeller are improved.

Description

Lathe rough machining equipment for turbine impeller

Technical Field

The utility model relates to the technical field of lathe machining equipment, in particular to lathe rough machining equipment for a turbine impeller.

Background

The steam turbine is also called a steam turbine engine, and is a rotary steam power device, high-temperature and high-pressure steam passes through a fixed nozzle to become accelerated airflow and then is sprayed onto blades, so that a rotor provided with a blade row rotates and simultaneously does work outwards. Steam turbines are the main equipment of modern thermal power plants and are also used in metallurgical industry, chemical industry and ship power plants. The impeller, which refers to a wheel disc provided with the movable vanes, is a component part of the impulse turbine rotor and can also refer to the sum of the wheel disc and the movable vanes arranged on the wheel disc.

When the impeller is processed and produced, the external wheel disc of the impeller needs to be polished, the top and the bottom of the impeller are mostly clamped by using a clamp when the impeller is fixed by the existing impeller rough machining equipment, the impeller is rotated and processed again, and the center hole of the impeller is lack of positioning, so that the impeller is easily offset if the clamping force is insufficient in the processing process, the polishing effect of the impeller is uneven, excessive polishing is caused, and the impeller is scrapped.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

The utility model aims to provide lathe rough machining equipment for turbine impellers, which is convenient for positioning impellers with different sizes and improves the positioning stability of the impellers.

In order to solve the technical problems, according to one aspect of the present utility model, the following technical solutions are provided:

the lathe rough machining device for the turbine impeller comprises a lathe machining table, wherein one end of the lathe machining table is fixedly connected with a base, the inner side wall of the base is fixedly connected with an electric push rod, the telescopic end of the electric push rod is provided with sand, a motor is embedded and fixedly connected at the position, close to the base, of the top of the lathe machining table, and a motor driving shaft penetrates through the base and is fixedly connected with a positioning assembly;

the positioning assembly comprises a base, a limiting cylinder is fixedly connected to the top of the base, a positioning block is fixedly connected to the periphery of the limiting cylinder in a penetrating and sliding manner, a limiting rod is fixedly connected to the inside of the limiting cylinder in a sliding manner, a spring is fixedly connected between the bottom of the limiting rod and the bottom in the limiting cylinder in a common manner, a sleeve is connected to the outer side wall of the top of the limiting cylinder in a threaded manner, a push rod corresponding to the limiting rod is fixedly connected to the inner top of the sleeve, and a damping ring is fixedly connected to the outer edge of the top of the base in a fixed manner to the bottom of the sleeve.

As an optimal scheme of the lathe rough machining equipment of the turbine impeller, the mounting groove is formed in the top of the base, and the protective cover matched with the mounting groove is arranged on the top of the mounting groove, so that dust generated in the rough machining process is conveniently blocked.

As a preferable scheme of the lathe rough machining equipment of the turbine impeller, the electric push rod telescopic end is fixedly connected with the mounting block, and the mounting block is spliced with sand and stone, so that the sand and stone can be conveniently dismounted.

As a preferable scheme of the lathe rough machining equipment for the turbine impeller, the sand stone is arranged in an arc-shaped protruding mode on one side, close to the center of the base, of the lathe rough machining equipment, so that the sand stone can be conveniently contacted with the outer side wall of the impeller to polish.

As a preferable scheme of the lathe rough machining equipment for the turbine impeller, the outer side wall of the limiting rod is in smooth fit with the inner wall of the limiting cylinder, the bottom of the limiting rod is in conical arrangement, and when the limiting rod descends, the central hole of the impeller is conveniently pressed and fixed by the conical outer wall of the limiting rod.

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

according to the utility model, the positioning assembly, the motor and the base are matched with each other, and the positioning assembly is used for clamping the impeller from the inside and the outside of the impeller, so that the positioning of the impeller with different sizes is convenient to adapt, the positioning stability of the impeller is greatly improved, the impeller is not easy to deviate in the processing process, and the processing efficiency and the processing quality of the impeller are improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following detailed description will be given with reference to the accompanying drawings and detailed embodiments, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained from these drawings without inventive faculty for a person skilled in the art. Wherein:

FIG. 1 is a perspective view of a lathe roughing apparatus for a steam turbine wheel according to the present utility model;

FIG. 2 is a schematic view of a base structure of a lathe roughing apparatus for a steam turbine wheel according to the present utility model;

FIG. 3 is a schematic view of a positioning assembly of a lathe roughing apparatus for a steam turbine wheel according to the present utility model;

FIG. 4 is a schematic illustration of sand installation of a lathe roughing apparatus for a steam turbine wheel according to the present utility model.

Legend description: 1. a lathe machining table; 2. a base; 3. a motor; 4. a positioning assembly; 5. a mounting groove; 6. a protective cover; 7. an electric push rod; 8. sand stone; 9. a mounting block; 10. a base; 11. a limiting cylinder; 12. a positioning block; 13. a limit rod; 14. a spring; 15. a sleeve; 16. a push rod; 17. a damping ring.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings.

Next, the present utility model will be described in detail with reference to the drawings, wherein the sectional view of the device structure is not partially enlarged to general scale for the convenience of description, and the drawings are only examples, which should not limit the scope of the present utility model. In addition, the three-dimensional dimensions of length, width and depth should be included in actual fabrication.

For the purpose of making the objects, technical solutions and advantages of the present utility model more apparent, embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings.

Referring to fig. 1-4, the utility model provides a lathe rough machining device of a turbine impeller, which comprises a lathe machining table 1, wherein one end of the lathe machining table 1 is fixedly connected with a base 2, the inner side wall of the base 2 is fixedly connected with an electric push rod 7, the telescopic end of the electric push rod 7 is provided with sand stone 8, a motor 3 is embedded and fixedly connected at the position, close to the base 2, of the top of the lathe machining table 1, and a driving shaft of the motor 3 penetrates through the base 2 and is fixedly connected with a positioning assembly 4;

the locating component 4 comprises a base 10, a limiting cylinder 11 is fixedly connected to the top of the base 10, a locating block 12 is connected to the periphery of the limiting cylinder 11 in a penetrating and sliding mode, a limiting rod 13 is connected to the inside of the limiting cylinder 11 in a sliding mode, a spring 14 is fixedly connected between the bottom of the limiting rod 13 and the inner bottom of the limiting cylinder 11, a sleeve 15 is connected to the outer side wall of the top of the limiting cylinder 11 in a threaded mode, a push rod 16 corresponding to the limiting rod 13 is fixedly connected to the inner top of the sleeve 15, and a damping ring 17 is fixedly connected to the outer edge of the top of the base 10 and the bottom of the sleeve 15.

Referring to fig. 1 and 2 again, in order to facilitate blocking dust generated during the rough machining process, specifically, a mounting groove 5 is formed at the top of the base 2, and a protective cover 6 engaged with the mounting groove 5 is disposed at the top of the mounting groove.

Referring to fig. 4 again, in order to facilitate the disassembly and assembly of the sand 8, specifically, the telescopic end of the electric push rod 7 is fixedly connected with a mounting block 9, and the mounting block 9 is spliced with the sand 8.

Referring to fig. 4 again, in order to facilitate polishing in contact with the outer wall of the impeller, specifically, the sand 8 is disposed in an arc-shaped convex shape on a side near the center of the base 2.

Referring to fig. 2 and 3 again, in order to facilitate fixing the impeller from the inside of the impeller central hole, specifically, the outer side wall of the limiting rod 13 is in smooth fit with the inner wall of the limiting cylinder 11, the bottom of the limiting rod 13 is in a conical shape, and when the limiting rod 13 descends, the positioning block 12 is conveniently extruded to prop against and fix the impeller central hole through the conical outer wall of the limiting rod 13.

When the impeller is specifically used, firstly, the motor 3 and the electric push rod 7 are connected with an external power supply, the transparent protective cover 6 is taken down, the sleeve 15 is unscrewed, an impeller to be processed is sleeved on the outer side wall of the limiting cylinder 11, the positioning blocks 12 on the periphery of the limiting cylinder 11 are all positioned in the central hole of the impeller, then the sleeve 15 is unscrewed, along with the descending of the sleeve 15, the ejector rod 16 descends to extrude the limiting rod 13, the conical outer side of the bottom of the ejector rod is utilized to extrude the surrounding positioning blocks 12, the positioning blocks 12 are tightly attached to the inner wall of the central hole of the impeller to position and clamp the same, meanwhile, the damping rings 17 on the bottom of the sleeve 15 and the top of the base 10 are tightly attached to the top and the bottom of the impeller respectively to clamp the top of the impeller, and meanwhile, the impeller is positioned from inside and outside, so that the position accuracy and stability of the impeller are ensured.

During processing, the protective cover 6 is covered outside the base 2 again, the motor 3 is started again to drive the positioning assembly 4 to rotate, the impeller is driven to rotate, the electric push rod 7 is started to drive the sand stone 8 to approach the outside of the impeller, burrs and the like on the edge of the outer side wall of the impeller can be cleaned and polished, dust generated during the process is blocked by the protective cover 6, and the quality of the processing environment of workers is guaranteed conveniently.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner as long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of omitting the descriptions and saving resources. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The lathe rough machining equipment of the turbine impeller comprises a lathe machining table (1), and is characterized in that one end of the lathe machining table (1) is fixedly connected with a base (2), the inner side wall of the base (2) is fixedly connected with an electric push rod (7), the telescopic end of the electric push rod (7) is provided with sand and stones (8), a motor (3) is fixedly connected to the position, close to the base (2), of the top of the lathe machining table (1), and a driving shaft of the motor (3) penetrates through the base (2) and is fixedly connected with a positioning assembly (4);

the locating component (4) comprises a base (10), a limiting cylinder (11) is fixedly connected to the top of the base (10), a locating block (12) is connected to the periphery of the limiting cylinder (11) in a penetrating and sliding mode, a limiting rod (13) is connected to the inside of the limiting cylinder (11) in a sliding mode, a spring (14) is fixedly connected between the bottom of the limiting rod (13) and the inner bottom of the limiting cylinder (11), a sleeve (15) is connected to the outer side wall of the top of the limiting cylinder (11) in a threaded mode, a push rod (16) corresponding to the limiting rod (13) is fixedly connected to the inner top of the sleeve (15), and a damping ring (17) is fixedly connected to the outer edge of the top of the base (10) and the bottom of the sleeve (15) in a sliding mode.

2. The lathe rough machining device of the turbine impeller according to claim 1, wherein the top of the base (2) is provided with a mounting groove (5), and the top of the mounting groove (5) is provided with a protective cover (6) which is matched with the mounting groove.

3. The lathe rough machining device of the turbine impeller according to claim 1, wherein the telescopic end of the electric push rod (7) is fixedly connected with a mounting block (9), and the mounting block (9) is spliced with sand (8).

4. A turbine wheel lathe roughing apparatus according to claim 1, characterised in that the side of the sand (8) adjacent the centre of the base (2) is arranged in the form of an arcuate bulge.

5. The lathe rough machining device for the turbine impeller according to claim 1, wherein the outer side wall of the limiting rod (13) is in smooth fit with the inner wall of the limiting cylinder (11), and the bottom of the limiting rod (13) is in conical arrangement.