CN218984553U

CN218984553U - Fixing device is used in processing of turbine shell

Info

Publication number: CN218984553U
Application number: CN202223477649.1U
Authority: CN
Inventors: 华洪强; 戴辉; 许叶红
Original assignee: Wuxi Guangtaicheng Machinery Manufacturing Co ltd
Current assignee: Wuxi Guangtaicheng Machinery Manufacturing Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-05-09
Anticipated expiration: 2032-12-26

Abstract

The utility model relates to the technical field of turbine shell processing, and discloses a fixing device for turbine shell processing, which comprises a first motor, wherein a driving end of the first motor is fixedly connected with a unidirectional screw, an outer wall of the unidirectional screw is in threaded connection with a sliding block, an outer wall of the sliding block is in sliding connection with a supporting plate, the right end of the sliding block is fixedly connected with a first sliding groove, the inner wall of the left part of the first sliding groove is fixedly connected with a second motor, and the driving end of the second motor is fixedly connected with a bidirectional screw. According to the utility model, the positions of the front, back, left and right adjusting clamping blocks are matched with and clamp the air outlet to carry out primary limiting on the turbine shell, the telescopic blocks are pushed to expand outwards through the springs until the telescopic blocks comprehensively prop against the central inner wall of the turbine shell to carry out secondary limiting, the two-stage limiting device can adapt to turbine shells with different sizes, and the deviation is difficult to occur during finish machining through the limiting of the square fixing rods and the clamping blocks.

Description

Fixing device is used in processing of turbine shell

Technical Field

The utility model relates to the technical field of turbine shell machining, in particular to a fixing device for turbine shell machining.

Background

The turbine is a rotary power machine for converting the energy of flowing working medium into mechanical work, and is one of main components of aero-engine, gas turbine and steam turbine, and usually the outside of each turbine is equipped with a corresponding turbine shell, the external form of the turbine shell is similar to involute, the axle center of the impeller is deviated to one side, the gap between the outer edge of the impeller and the nearest place of the turbine shell is minimum, the rotation of the centrifugal wheel can make wind or water blow out from outlet, water inlet (or air inlet) is fed into from the axle center of the impeller, and can be blown out to outlet of the edge of the turbine shell under the action of centrifugal force, and the processing course of the turbine shell needs to have fixed clamping device.

When carrying out finish machining to turbine shell surface, can produce the effort of a plurality of directions, in order to prevent that its centre gripping from being unstable inadequately, lead to the product to scrap, the specific anchor clamps have been increased when pressing from both sides it to most anchor clamps, and the structure is comparatively complicated, and is mostly dysmorphism, can not be applicable to most turbine shell, and universal fixture's regulation precision is not high enough, also relatively easy skew during finish machining.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a fixing device for machining a turbine shell.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a fixing device is used in turbine shell processing, includes first motor, the drive end fixedly connected with unidirectional screw of first motor, unidirectional screw's outer wall threaded connection has the slider, the outer wall sliding connection of slider has the backup pad, the right-hand member fixedly connected with first spout of slider, the left portion inner wall fixedly connected with second motor of first spout, the drive end fixedly connected with bi-directional screw of second motor, the equal threaded connection of the left and right sides outer wall of bi-directional screw has the clamp splice, the bottom fixedly connected with base of backup pad, the top of base is provided with the turbine shell, the middle part inner wall equidistance of turbine shell is provided with a plurality of expansion blocks, the equal fixedly connected with spring of inboard one end of expansion block, the inboard one end fixedly connected with dead lever of spring, the top fixedly connected with screw post of dead lever, the outer wall threaded connection of screw post has the tightening ring.

As a further description of the above technical solution:

the other end of the unidirectional screw rod is rotationally connected to the supporting plate, and the left end of the second motor is fixedly connected to the sliding block.

As a further description of the above technical solution:

the top of backup pad corresponds the position department of slider and is provided with the second spout.

As a further description of the above technical solution:

the middle part outer wall of two-way screw rod rotates the middle part inner wall of connecting at first spout, the right side outer wall of two-way screw rod rotates the right-hand member inner wall of connecting at first spout.

As a further description of the above technical solution:

the front end of the turbine shell is provided with an air outlet, and one end of the inner side of the clamping block is arranged on the outer wall of the air outlet.

As a further description of the above technical solution:

the outer wall of the front part of the clamping block is connected with the inner wall of the first chute in a sliding way.

As a further description of the above technical solution:

the top of flexible piece all fixed connection is in the bottom of screw thread post, the inclined plane portion outer wall of flexible piece all is provided with the screw hole.

As a further description of the above technical solution:

the top of base corresponds the position department of dead lever and is provided with the jack, the top fixedly connected with stopper of screw thread post.

The utility model has the following beneficial effects:

1. according to the utility model, the fixing rod is inserted into the jack through the central hole of the turbine shell, the air outlet is clamped by matching the positions of the front-back left-right adjusting clamping blocks through the two motors, the turbine shell is subjected to primary limiting, the tightening ring is rotated upwards, the telescopic blocks are pushed to expand outwards through the springs until the telescopic blocks fully prop against the central inner wall of the turbine shell to carry out secondary limiting, the inside of the turbine shell is fully supported during processing, the two limiting structures are simple and practical, the turbine shells with different sizes can be adjusted, and the applicability is wide.

2. According to the utility model, through the non-rotatability of the square fixing rod in the jack and the left and right limiting of the clamping block, the stability of the turbine shell when receiving acting forces in multiple directions around and above is increased, so that the deviation is not easy to occur during finish machining, and the loss rate is reduced.

Drawings

FIG. 1 is a front perspective view of a turbine shell machining fixture according to the present utility model;

fig. 2 is a schematic view of a telescopic block structure of a fixing device for machining a turbine shell according to the present utility model;

FIG. 3 is a top perspective view of a turbine shell machining fixture according to the present utility model;

fig. 4 is a schematic diagram of a clamping block structure of a fixing device for machining a turbine shell according to the present utility model.

Legend description:

1. a first motor; 2. a first chute; 3. a base; 4. a turbine housing; 5. tightening the ring; 6. a limiting block; 7. a support plate; 8. a threaded column; 9. a fixed rod; 10. a spring; 11. a telescopic block; 12. a threaded hole; 13. a jack; 14. an air outlet; 15. a second chute; 16. a unidirectional screw; 17. a slide block; 18. a second motor; 19. a bidirectional screw; 20. and clamping blocks.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the utility model provides a fixing device is used in turbine shell processing, including first motor 1, the drive end fixedly connected with unidirectional screw 16 of first motor 1, the outer wall threaded connection of unidirectional screw 16 has slider 17, the outer wall sliding connection of slider 17 has backup pad 7, the right-hand member fixedly connected with first spout 2 of slider 17, the left portion inner wall fixedly connected with second motor 18 of first spout 2, the drive end fixedly connected with bi-directional screw 19 of second motor 18, the equal threaded connection of left and right sides outer wall of bi-directional screw 19 has clamp splice 20, during processing, to be processed face up of turbine shell 4 is put on base 3, pass the center hole of turbine shell 4 with dead lever 9 again, then insert in jack 13, at this moment open first motor 1, the position of first spout 2 of back-and-forth regulation reaches air outlet 14 position, open second motor 18 again, adjust two clamp splice 20 relative motion, the cooperation and hold air outlet 14, carry out the one-level spacing to turbine shell 4, the bottom fixedly connected with base 3 of backup pad 7, the top of base 3 is provided with turbine shell 4, the middle part inner wall 11 of turbine shell 4 is provided with clamp splice 11, the inside diameter of jack 10 is connected with the jack-up to the fixed connection of two jack-side 10, the inside diameter of jack 10, the jack 10 is fixed connection has the jack-5, the inside diameter of jack-up end is adjusted to the jack 5, the jack-up end is fixed connection, the diameter of jack 10 is fixed to the jack-up, the inside diameter of jack 10, the jack is adjusted, the jack-up is fixed, the jack is fixed, the inside diameter of jack is adjusted, the jack is 10, and can be screwed down, the jack is screwed, and the jack is screwed.

The other end of unidirectional screw 16 rotates to be connected on backup pad 7, the left end fixed connection of second motor 18 is on slider 17, the top of backup pad 7 corresponds the position department of slider 17 and is provided with second spout 15, the middle part outer wall of bi-directional screw 19 rotates to be connected at the middle part inner wall of first spout 2, the right side outer wall of bi-directional screw 19 rotates to be connected at the right-hand member inner wall of first spout 2, the front end of turbine shell 4 is provided with air outlet 14, the inboard one end of clamp splice 20 all sets up the outer wall at air outlet 14, the front portion outer wall of clamp splice 20 all sliding connection is at the inner wall of first spout 2, the top of telescopic link 11 all fixed connection is in the bottom of screw thread post 8, the inclined plane portion outer wall of telescopic link 11 all is provided with screw hole 12, the top of base 3 corresponds the position department of dead lever 9 and is provided with jack 13, square dead lever 9 is non-rotatable in jack 13, increase steadiness, the top fixedly connected with stopper 6 of screw thread post 8.

Working principle: the turbine shell 4 is placed on the base 3 upwards on the surface to be processed, the fixing rod 9 penetrates through the center hole of the turbine shell 4 and then is inserted into the insertion hole 13, the first motor 1 is started, the position of the first sliding chute 2 is adjusted back and forth to reach the position of the air outlet 14, the second motor 18 is opened, the two clamping blocks 20 are adjusted to move relatively to clamp the air outlet 14 cooperatively, the turbine shell 4 is limited at one stage, the tightening ring 5 is rotated upwards, the spring 10 can push the telescopic block 11 to expand outwards until the telescopic block fully abuts against the center inner wall of the turbine shell 4 to carry out secondary limitation, the internal full support during finish machining is guaranteed, the non-rotatability of the square fixing rod 9 and the left and right limitation of the clamping blocks 20 are increased, and the stability during the process that the turbine shell 4 receives forces in multiple directions around and above is improved, so that deflection is not easy to occur during finish machining.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a fixing device is used in turbine shell processing, includes first motor (1), its characterized in that: the driving end fixedly connected with unidirectional screw (16) of first motor (1), the outer wall threaded connection of unidirectional screw (16) has slider (17), the outer wall sliding connection of slider (17) has backup pad (7), the right-hand member fixedly connected with first spout (2) of slider (17), the left portion inner wall fixedly connected with second motor (18) of first spout (2), the drive end fixedly connected with bi-directional screw (19) of second motor (18), the equal threaded connection of left and right sides outer wall of bi-directional screw (19) has clamp splice (20), the bottom fixedly connected with base (3) of backup pad (7), the top of base (3) is provided with turbine shell (4), the middle part inner wall equidistance of turbine shell (4) is provided with a plurality of expansion blocks (11), the equal fixedly connected with spring (10) of inboard one end of expansion block (11), the inboard one end fixedly connected with dead lever (9) of spring (10), the top fixedly connected with screw thread post (8) of dead lever (9), screw thread post (8) screw thread (5).

2. The turbine housing machining fixture of claim 1, wherein: the other end of the unidirectional screw (16) is rotationally connected to the supporting plate (7), and the left end of the second motor (18) is fixedly connected to the sliding block (17).

3. The turbine housing machining fixture of claim 1, wherein: a second sliding groove (15) is formed in the position, corresponding to the sliding block (17), of the top of the supporting plate (7).

4. The turbine housing machining fixture of claim 1, wherein: the middle outer wall of the bidirectional screw rod (19) is rotationally connected to the middle inner wall of the first chute (2), and the right outer wall of the bidirectional screw rod (19) is rotationally connected to the right inner wall of the first chute (2).

5. The turbine housing machining fixture of claim 1, wherein: the front end of the turbine shell (4) is provided with an air outlet (14), and one end of the inner side of the clamping block (20) is arranged on the outer wall of the air outlet (14).

6. The turbine housing machining fixture of claim 1, wherein: the outer walls of the front parts of the clamping blocks (20) are all in sliding connection with the inner wall of the first sliding groove (2).

7. The turbine housing machining fixture of claim 1, wherein: the top of flexible piece (11) all fixed connection is in the bottom of screw post (8), the inclined plane portion outer wall of flexible piece (11) all is provided with screw hole (12).

8. The turbine housing machining fixture of claim 1, wherein: the top of base (3) corresponds the position department of dead lever (9) and is provided with jack (13), the top fixedly connected with stopper (6) of screw thread post (8).