CN216632460U

CN216632460U - Turbine blade machining positioning device

Info

Publication number: CN216632460U
Application number: CN202122408795.8U
Authority: CN
Inventors: 叶华强; 陈志勇
Original assignee: Sichuan Anruixin Power Technology Co ltd
Current assignee: Sichuan Anruixin Power Technology Co ltd
Priority date: 2021-10-10
Filing date: 2021-10-10
Publication date: 2022-05-31
Anticipated expiration: 2031-10-10

Abstract

The utility model relates to a turbine blade machining positioning device which comprises a rotating base, wherein a bottom plate is arranged at the top of the rotating base, two curved bottom rods are arranged at the top of the bottom plate, a clamping structure is arranged on the bottom plate, a pre-clamping assembly is arranged on the front surface of the bottom plate, and the clamping structure comprises a support fixedly connected to the back surface of the bottom plate, a driving assembly arranged on the support, a connecting rod fixedly connected to the driving assembly and a clamping block fixedly connected to the bottom of the connecting rod. This turbine blade processing positioner, through the back of curve sill bar laminating turbine blade body, have the grip block again and press from both sides tight piece and carry out three point fastening to turbine blade body's front to with the turbine blade body centre gripping, utilize the curved surface of curve sill bar laminating turbine blade body, and have the overcoat to have the grip block of rubber sleeve and press from both sides tight piece and carry out the front centre gripping, do not occupy too many clamping space, and can stabilize the centre gripping to turbine blade body.

Description

Turbine blade machining positioning device

Technical Field

The utility model relates to the technical field of turbine blades, in particular to a turbine blade machining positioning device.

Background

The turbine blade is an important component of a turbine section in a gas turbine engine, the blade rotating at high speed is responsible for sucking high-temperature and high-pressure airflow into a combustor to maintain the operation of the engine, and in order to ensure stable and long-time operation in an extreme environment of high temperature and high pressure, the turbine blade is often forged by high-temperature alloy.

Traditional turbine blade processing's positioner is difficult to turbine blade's location, and has taken more blade area after the centre gripping, influences processing, and can not transfer square after the location, and is comparatively difficult to the manufacturing procedure in needs adjustment position, because the blade is the curved surface, when loosening the centre gripping, the easy landing of blade causes the unnecessary loss.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a turbine blade machining positioning device which has the advantages of convenience in positioning and clamping, convenience in machining and the like, and solves the problems of inconvenience in positioning and clamping and inconvenience in machining of the traditional positioning device.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a turbine blade processing positioner, includes rotating base, rotating base's top is provided with the bottom plate, and the top of bottom plate is provided with two curved sill bars, be provided with clamping structure on the bottom plate, the bottom plate openly is provided with presss from both sides the subassembly in advance, clamping structure includes fixed connection at the support at the bottom plate back, sets up drive assembly, the connecting rod of fixed connection on drive assembly, the grip block of fixed connection in the connecting rod bottom, the reversing frame of fixed connection at the drive assembly back to and the tight piece of clamp of fixed connection on the reversing frame, press from both sides the subassembly including setting up at the positive torsional spring of bottom plate, setting up pivot, two fixed connection in the pivot bracing piece in the torsional spring in advance to and two rubber blocks that set up respectively on corresponding bracing piece.

Further, the driving assembly comprises a driving motor fixedly connected to the back of the support, a threaded rod fixedly connected to an output shaft of the driving motor, a sliding rod fixedly connected to the support, and a connecting plate in threaded connection with the outer side of the threaded rod, wherein the connecting plate is in sliding connection with the sliding rod, and the connecting rod and the rotary frame are fixedly connected with the support.

Further, rotating base includes the under casing, rotates the driven gear who connects at the under casing top, fixed mounting at the inboard rotating electrical machines of under casing, fixed connection is at the driving gear of rotating electrical machines output shaft to and two fixed connection are at the connecting rod at driven gear top.

Furthermore, the tops of the two connecting rods are fixedly connected with the bottom plate, and the driven gear is meshed with the driving gear.

Furthermore, the support is in an inverted J shape, and the revolving frame is in a U shape and bypasses the bottom of the bottom plate.

Further, two the front of curve sill bar and two grip blocks and press from both sides the joint between the tight piece back and have turbine blade body, and the grip block all overlaps with the tight piece outside of clamp and have the rubber sleeve, and wherein, the curve shape of curve sill bar is laminated with the appearance curve of turbine blade body mutually.

Further, two the rubber piece all hugs closely with the front of turbine blade body, and two rubber pieces are located the left and right sides that presss from both sides tight piece respectively.

(III) advantageous effects

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this turbine blade processing positioner, through the back of curve sill bar laminating turbine blade body, have the grip block again and press from both sides tight piece and carry out three point fastening to turbine blade body's front to with the turbine blade body centre gripping, utilize the curved surface of curve sill bar laminating turbine blade body, and have the overcoat to have the grip block of rubber sleeve and press from both sides tight piece and carry out the front centre gripping, do not occupy too many clamping space, and can stabilize the centre gripping to turbine blade body.

2. This turbine blade processing positioner provides through the torsional spring and twists reverse elasticity to elasticity tightens up bracing piece and rubber block and pastes tight bottom turbine blade body, when turbine blade body is placed on the curved base rod, can carry out centre gripping in advance, makes turbine blade body not rock when the grip block with press from both sides tight piece and not press from both sides tightly, and does not slide when the grip block breaks away from with pressing from both sides tight piece, makes the operation more light.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a three-dimensional view of a structural backing plate and clamping structure of the present invention;

FIG. 3 is a three-dimensional cross-sectional view of a rotating base of the present invention.

In the figure: 100 rotating bases, 200 bottom plates, 300 clamping structures, 400 turbine blade bodies, 500 pre-clamping assemblies, 201 curved bottom rods, 110 bottom boxes, 120 driven gears, 130 connecting rods, 140 rotating motors, 150 driving gears, 310 brackets, 320 driving assemblies, 330 connecting rods, 340 clamping blocks, 350 rotating frames, 360 clamping blocks, 321 driving motors, 322 threaded rods, 323 sliding rods, 324 connecting plates, 510 torsion springs, 520 rotating shafts, 530 supporting rods and 540 rubber blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Referring to fig. 1-3, the turbine blade machining positioning device in the present embodiment includes a rotating base 100, a bottom plate 200 is disposed on a top of the rotating base 100, two curved bottom rods 201 are fixed on a top of the bottom plate 200, a clamping structure 300 is disposed on the bottom plate 200, and a pre-clamping assembly 500 is disposed on a front surface of the bottom plate 200.

In this embodiment, the clamping structure 300 includes a bracket 310 fixedly connected to the back of the base plate 200, a driving assembly 320 disposed on the bracket 310, a connecting rod 330 fixedly connected to the driving assembly 320, a clamping block 340 fixedly connected to the bottom of the connecting rod 330, a revolving frame 350 fixedly connected to the back of the driving assembly 320, and a clamping block 360 fixedly connected to the revolving frame 350, the bracket 310 is in an inverted J shape, the revolving frame 350 is in a U shape and bypasses the bottom of the base plate 200, and the connecting rod 330, the clamping block 340, the revolving frame 350 and the clamping block 360 are driven by the driving assembly 320 to move backwards for clamping.

The driving assembly 320 comprises a driving motor 321 fixedly connected to the back of the support 310, a threaded rod 322 fixedly connected to an output shaft of the driving motor 321, a sliding rod 323 fixedly connected to the support 310, and a connecting plate 324 in threaded connection with the outer side of the threaded rod 322, wherein the connecting plate 324 is in sliding connection with the sliding rod 323, the connecting rod 330 and the revolving frame 350 are both fixedly connected to the support 310, the threaded rod 322 is driven to rotate through the driving motor 321, the connecting plate 324 is limited by the sliding rod 323, and therefore when the threaded rod 322 rotates, the connecting plate 324 is driven to move in the front-back direction.

In this embodiment, the pre-clamping assembly 500 includes a torsion spring 510 disposed on the front surface of the bottom plate 200, a rotating shaft 520 disposed on the torsion spring 510, two support rods 530 fixedly connected to the rotating shaft 520, and two rubber blocks 540 disposed on the corresponding support rods 530, wherein the rubber blocks 540, the clamping blocks 360, and the clamping blocks 340 may be adjusted in shape according to actual conditions, and the shape may be cylindrical, spherical, etc.

In this embodiment, the rotating base 100 includes a bottom case 110, a driven gear 120 rotatably connected to the top of the bottom case 110, a rotating electrical machine 140 fixedly installed inside the bottom case 110, a driving gear 150 fixedly connected to an output shaft of the rotating electrical machine 140, and two connecting rods 130 fixedly connected to the tops of the driven gear 120, the tops of the two connecting rods 130 are both fixedly connected to the bottom plate 200, the driven gear 120 is engaged with the driving gear 150, and the rotating electrical machine 140, the driving gear 150, the driven gear 120 and the connecting rods 130 are used for transmission, so as to achieve the purpose of rotating the clamped turbine blade body 400.

In this embodiment, the turbine blade body 400 is connected between the front surface of the two curved bottom rods 201 and the back surfaces of the two clamping blocks 340 and the clamping block 360 in a clamping manner, and rubber sleeves are sleeved on the outer sides of the clamping blocks 340 and the clamping block 360, wherein the curved shape of the curved bottom rods 201 is attached to the outer shape curve of the turbine blade body 400, the two rubber blocks 540 are tightly attached to the front surface of the turbine blade body 400, and the two rubber blocks 540 are respectively located on the left side and the right side of the clamping block 360.

The working principle of the above embodiment is as follows:

(1) through pulling out bracing piece 530 and block rubber 540, place turbine blade body 400 laminating curve sill bar 201, loosen bracing piece 530 and block rubber 540 again, torsional spring 510 provides elasticity, makes bracing piece 530 and block rubber 540 turn to turbine blade body 400 to make block rubber 540 paste tight turbine blade body 400, thereby carry out centre gripping in advance to turbine blade body 400, prevent rocking, anti-drop.

(2) After carrying out centre gripping in advance to turbine blade body 400, rethread driving motor 321 drives threaded rod 322 and rotates, thereby it slides along slide bar 323 to drive connecting plate 324, make grip block 340 and the tight piece 360 backward movements of clamp, and be close to turbine blade body 400, finally make grip block 340 and the tight piece 360 of clamp hug closely turbine blade body 400 and carry out the centre gripping, it rotates to drive driving gear 150 through rotating electrical machines 140, driving gear 150 drives driven gear 120 and rotates, driven gear 120 drives bottom plate 200 and rotates, thereby can rotate the accent to the turbine blade body 400 who presss from both sides well, and the processing is convenient for.

Compared with the prior art: the back of the turbine blade body 400 is attached through the curved bottom rod 201, the front of the turbine blade body 400 is fastened by the clamping block 340 and the clamping block 360 at three points, so that the turbine blade body 400 is clamped, the curved bottom rod 201 is attached to the curved surface of the turbine blade body 400, the clamping block 340 and the clamping block 360 which are externally sleeved with rubber sleeves are used for clamping the front, too much clamping space is not occupied, the turbine blade body 400 can be stably clamped, torsional elasticity is provided through the torsional spring 510, the supporting rod 530 and the rubber block 540 are tightened by the elasticity to attach the bottom of the turbine blade body 400, when the turbine blade body 400 is placed on the curved bottom rod 201, pre-clamping can be carried out, the turbine blade body 400 does not shake when the clamping block 340 and the clamping block 360 are not clamped, and does not slide when the clamping block 340 and the clamping block 360 are separated, so that the operation is easier, the problem of traditional positioner location centre gripping inconvenient, and be not convenient for processing is solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A turbine blade processing positioner which characterized in that: the clamping device comprises a rotating base (100), wherein a bottom plate (200) is arranged at the top of the rotating base (100), two curved bottom rods (201) are arranged at the top of the bottom plate (200), a clamping structure (300) is arranged on the bottom plate (200), and a pre-clamping assembly (500) is arranged on the front surface of the bottom plate (200);

the clamping structure (300) comprises a bracket (310) fixedly connected to the back of the bottom plate (200), a driving assembly (320) arranged on the bracket (310), a connecting rod (330) fixedly connected to the driving assembly (320), a clamping block (340) fixedly connected to the bottom of the connecting rod (330), a rotating frame (350) fixedly connected to the back of the driving assembly (320), and a clamping block (360) fixedly connected to the rotating frame (350);

the pre-clamping assembly (500) comprises a torsion spring (510) arranged on the front surface of the bottom plate (200), a rotating shaft (520) arranged on the torsion spring (510), two supporting rods (530) fixedly connected to the rotating shaft (520), and two rubber blocks (540) respectively arranged on the corresponding supporting rods (530).

2. The turbine blade machining positioning device as claimed in claim 1, wherein: the driving assembly (320) comprises a driving motor (321) fixedly connected to the back of the support (310), a threaded rod (322) fixedly connected to an output shaft of the driving motor (321), a sliding rod (323) fixedly connected to the support (310), and a connecting plate (324) in threaded connection with the outer side of the threaded rod (322), wherein the connecting plate (324) is in sliding connection with the sliding rod (323), and the connecting rod (330) and the rotary frame (350) are both fixedly connected with the support (310).

3. The turbine blade machining positioning device as claimed in claim 1, wherein: the rotary base (100) comprises a bottom case (110), a driven gear (120) rotatably connected to the top of the bottom case (110), a rotary motor (140) fixedly installed on the inner side of the bottom case (110), a driving gear (150) fixedly connected to an output shaft of the rotary motor (140), and two connecting rods (130) fixedly connected to the top of the driven gear (120).

4. A turbine blade machining positioning device as claimed in claim 3, wherein: the tops of the two connecting rods (130) are fixedly connected with a bottom plate (200), and the driven gear (120) is meshed with the driving gear (150).

5. The turbine blade machining positioning device as claimed in claim 1, wherein: the bracket (310) is in an inverted J shape, and the revolving rack (350) is in a U shape and bypasses the bottom of the bottom plate (200).

6. The turbine blade machining positioning device as claimed in claim 1, wherein: two the front of curve sill bar (201) and two grip blocks (340) and press from both sides the joint between tight piece (360) the back and have turbine blade body (400), and grip blocks (340) and press from both sides tight piece (360) outside and all overlap and have the rubber sleeve, wherein, the curve shape of curve sill bar (201) is laminated mutually with the appearance curve of turbine blade body (400).

7. The turbine blade machining positioning device as claimed in claim 6, wherein: the two rubber blocks (540) are tightly attached to the front face of the turbine blade body (400), and the two rubber blocks (540) are respectively located on the left side and the right side of the clamping block (360).