CN217800384U

CN217800384U - Splash-proof tool for milling inner back arc of turbine blade

Info

Publication number: CN217800384U
Application number: CN202222189507.9U
Authority: CN
Inventors: 王生宏; 王卫东; 张林高; 张晓春; 张永同
Original assignee: Nantong Jiyu Machinery Technology Co ltd
Current assignee: Nantong Jiyu Machinery Technology Co ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2022-11-15
Anticipated expiration: 2032-08-19

Abstract

The utility model provides a back of body arc mills splashproof frock in steam turbine blade relates to the steam turbine blade field, including the work platen, install on the work platen and mill a and moving member, it is including servo motor to mill a, cutter connection pad and milling cutter, install the driving medium between moving member and the cutter connection pad, the moving member is including the slide rail, slide and shifting screw, the backup pad is installed to the slide top, the backup pad side-mounting has the mounting, the mounting is including clamping screw, the swivel nut, splint and curb plate, the spout has been seted up to the splint side, the spout slides and has the slider, the slider side is fixed with the flexible apron of double-end, the backup pad center has been seted up and has been run through the blanking groove, install the receipts magazine on the work platen top, in this way, utilize the mounting, press from both sides tight fixedly to the blade, the flexible apron of double-end above milling process can prevent that the sweeps from splashing all around, the waste material is collected in falling into the receipts magazine through running through the blanking groove simultaneously.

Description

Splash-proof tool for milling inner back arc of turbine blade

Technical Field

The utility model relates to a steam turbine blade field especially relates to back arc mills splashproof frock in the steam turbine blade.

Background

The steam turbine blade is the key component part of steam turbine, and it need carry out milling process to its back of the body cambered surface through milling the frock when producing, and the frock of milling generally is including milling cutter and mounting, and when carrying out milling process of blade back of the body cambered surface, the rotatory primary motion that is of milling cutter, and feed motion is done to the blade, carries out milling process to blade back of the body cambered surface, and it does not take place the skew to guarantee the precision of processing once through the mounting that whole feed motion was done to the blade.

The fixing piece of the existing steam turbine blade milling tool generally fixes the blade in a mode of clamping two sides, no fixing and protecting measures are provided above the blade, and the problem of scrap sputtering exists in the milling process, so that the later-stage cleaning is not convenient.

Therefore, the anti-splash milling tool for the inner back arc of the turbine blade is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem lie in providing the splashproof frock is milled to back of the body arc in the steam turbine blade, solves the problem that the background provided.

In order to solve the technical problem, the utility model provides a following technical scheme:

back arc mills splashproof frock in steam turbine blade, including the work platen, install on the work platen and mill piece and moving member, mill the piece including servo motor, cutter connection pad and milling cutter, servo motor installs on the work platen, cutter connection pad threaded mounting is at the servo motor output, milling cutter threaded mounting is in cutter connection pad side, install the driving medium between moving member and the cutter connection pad, the moving member is including slide rail, slide and traveling screw, the backup pad is installed to the slide top, the mounting is installed to the backup pad side, the mounting is including clamping screw, swivel nut, splint and curb plate, the spout has been seted up to the splint side, the spout slides and has the slider, the slider side is fixed with the flexible apron of double-end, the backup pad center has been seted up and has been run through the blanking groove, the receipts magazine is installed on the work top.

Furthermore, two groups of slide rails are symmetrically arranged on two sides of the center of the top end of the workbench plate, the slide plates slide on the slide rails, the movable screw penetrates through the slide plates in a threaded manner, and one end of the movable screw is connected with the transmission part.

Furthermore, cylinders are mounted on two sides of the cutter connecting disc, and the output end of the servo motor is in threaded fit with the end part of the milling cutter and the outer side wall of the cylinder.

Furthermore, the transmission part comprises a belt groove, a belt and a transmission wheel, the belt groove is formed in the side face of the cutter connecting disc, the belt is transmitted between the belt groove and the transmission wheel, and the transmission wheel is installed at the end part of the movable screw rod.

Furthermore, a height adjusting screw rod is rotated at the center of the top end of the sliding plate, and the supporting plate is in threaded fit with the height adjusting screw rod.

Furthermore, the fixing screw rods are arranged on two sides of the supporting plate, the threaded sleeves are symmetrically arranged on two sides of the center of the fixing screw rods, the clamping plates are fixed on the threaded sleeves, and the side plates are fixed at the top end of the supporting plate.

Furthermore, L-shaped connecting plates are arranged at two ends of the fixing screw in a rotating mode, the L-shaped connecting plates are fixed on two sides of the supporting plate in a threaded mode, and the top end of the fixing screw is lower than the top end of the supporting plate.

Furthermore, the threaded sleeve is of a rectangular structure, and the bottom end of the clamping plate is smoothly contacted with the top end of the supporting plate.

The utility model discloses a device that technical scheme provided during the use, utilize the mounting, rotate the clamping screw of both sides, utilize the screw-thread fit of clamping screw and swivel nut, adjust the position of two sets of splint, press from both sides tight fixedly to the blade, then adjust the flexible degree of double-end flexible apron, utilize the sliding fit of slider and spout, install the double-end flexible apron between two sets of splint, protect blade upper portion, rotate two sets of height-adjusting screw rods after that, adjust the height of backup pad, make the blade of placing in the backup pad align with the milling cutter, utilize driving medium and moving member, start servo motor, it rotates to drive the milling cutter through the cutter connection pad, simultaneously under the transmission of belt, it rotates to drive the drive wheel, make the moving screw rotate, utilize the screw-thread fit of moving screw and slide, it slides along the slide rail to drive the backup pad, thereby it removes to think the milling cutter to drive the backup pad, milling process, the double-end flexible apron of in-process top can prevent that the bits from splashing all around, the waste material is collected in the material collecting box through running through the blanking groove simultaneously.

Drawings

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

FIG. 2 is a schematic view of the moving member of the present invention;

FIG. 3 is a schematic view of the fixing member of the present invention;

fig. 4 is a schematic view of the structure of the double-head retractable cover plate of the present invention.

Labeled in the figure as: 1. the automatic feeding device comprises a working table plate 2, a servo motor 3, a cutter connecting disc 4, a milling cutter 5, a belt groove 6, a belt 7, a driving wheel 8, a sliding rail 9, a sliding plate 10, a moving screw 11, a height adjusting screw 12, a supporting plate 13, a fixing screw 14, a threaded sleeve 15, a clamping plate 16, a side plate 17, a sliding groove 18, a sliding block 19, a double-head telescopic cover plate 20, a through blanking groove 21, a material receiving box 22 and a cylinder 23.L-shaped connecting plate.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

As shown in figures 1-4, the splash-proof milling tool for the inner back arc of the turbine blade comprises a working table plate 1, and the embodiment is as follows

As shown in fig. 1, a milling part and a moving part are mounted on a working table plate 1, the milling part comprises a servo motor 2, a cutter connecting disc 3 and a milling cutter 4, the servo motor 2 is mounted on the working table plate 1, cylinders 22 are mounted on two sides of the cutter connecting disc 3, the output end of the servo motor 2 is in threaded fit with the end part of the milling cutter 4 and the outer side wall of the cylinder 22, the milling cutter 4 is in threaded fit with the side surface of the cutter connecting disc 3, a transmission part is mounted between the moving part and the cutter connecting disc 3, the moving part comprises two sets of sliding rails 8, sliding plates 9 and moving screws 10, the two sets of sliding rails 8 are symmetrically mounted on two sides of the center of the top end of the working table plate 1, the sliding plates 9 slide on the sliding rails 8, the moving screws 10 penetrate through the sliding plates 9 in a threaded manner, one end of each sliding plate is connected with the transmission part, a height adjusting screw 11 is rotated in the center of the top end of the sliding plate 9, a support plate 12 is mounted above the sliding plate and in threaded fit with the height adjusting screw 11, and a fixing part is mounted on the side surface of the support plate 12;

as shown in fig. 2, 3 and 4, the transmission part comprises a belt groove 5, a belt 6 and a transmission wheel 7, the belt groove 5 is arranged on the side surface of the cutter connecting disc 3, the belt 6 is transmitted between the belt groove 5 and the transmission wheel 7, the transmission wheel 7 is arranged at the end part of the movable screw 10, the fixing part comprises a fixed screw 13, a threaded sleeve 14, a clamping plate 15 and a side plate 16, the fixed screw 13 is arranged on two sides of a supporting plate 12, two ends of the fixed screw 13 are rotatably provided with an L-shaped connecting plate 23, the L-shaped connecting plate 23 is fixed on two sides of the supporting plate 12 in a threaded manner, the top end of the fixed screw 13 is lower than the top end of the supporting plate 12, the threaded sleeve 14 is symmetrically arranged on two sides of the center of the fixed screw 13, the threaded sleeve 14 is rectangular, the clamping plate 15 is fixed on the threaded sleeve 14, the bottom end of the clamping plate 15 is in smooth contact with the top end of the supporting plate 12, the side plate 16 is fixed on the top end of the supporting plate 12, a sliding groove 17 is arranged on the side surface of the clamping plate 15, a sliding block 18 is provided with a sliding block 17, a sliding block 18, a double-head telescopic cover plate 19 is fixed on the side surface, the center of the supporting plate 12 is provided with a material receiving groove 20, and a material receiving box 21 is arranged on the top end of the working table 1;

when the milling machine is used, when the inner back arc of a turbine blade is milled, the blade is placed on the supporting plate 12, one end of the blade is abutted against the side plate 16, the fixing screws 13 on two sides are rotated by using the fixing parts, the positions of the two groups of clamping plates 15 are adjusted by using the threaded matching of the fixing screws 13 and the thread sleeves 14, the blade is clamped and fixed, then the telescopic degree of the double-head telescopic cover plate 19 is adjusted, the double-head telescopic cover plate 19 is installed between the two groups of clamping plates 15 by using the sliding matching of the sliding blocks 18 and the sliding grooves 17, the upper part of the blade is protected, then the two groups of height adjusting screws 11 are rotated, the height of the supporting plate 12 is adjusted, the blade placed on the supporting plate 12 is aligned with the milling cutter 4, the servo motor 2 is started, the milling cutter 4 is driven to rotate by the cutter connecting plate 3, meanwhile, the driving transmission wheel 7 is driven to rotate by the belt 6, the moving screw 10 is driven to rotate, the sliding plate 9 is driven to slide along the sliding rail 8 by using the threaded matching of the moving screw 10 and the sliding plate 9, so as to drive the supporting plate 12 to move the milling cutter 4, milling machine, milling and milling scraps can be prevented from splashing on the double-head telescopic cover plate 19 above the milling machine, and waste can be collected in the collecting groove 20.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and those skilled in the art can make many variations and modifications of the technical solution of the present invention without departing from the scope of the technical solution of the present invention.

Claims

1. Back arc mills splashproof frock in steam turbine blade, including work platen (1), its characterized in that: the milling and cutting device is characterized in that a milling part and a moving part are installed on the working table plate (1), the milling part comprises a servo motor (2), a cutter connecting disc (3) and a milling cutter (4), the servo motor (2) is installed on the working table plate (1), the cutter connecting disc (3) is installed at the output end of the servo motor (2) in a threaded mode, the milling cutter (4) is installed on the side face of the cutter connecting disc (3) in a threaded mode, a transmission part is installed between the moving part and the cutter connecting disc (3), the moving part comprises a sliding rail (8), a sliding plate (9) and a moving screw (10), a supporting plate (12) is installed above the sliding plate (9), a fixing part is installed on the side face of the supporting plate (12), the fixing part comprises a fixing screw (13), a threaded sleeve (14), a clamping plate (15) and a side plate (16), a sliding groove (17) is formed in the side face of the clamping plate (15), a sliding block (18) slides, a double-head telescopic cover plate (19) is fixed on the side face of the sliding block (18), a through blanking groove (20) is formed in the center of the supporting plate (12), and a material collecting box (21) is installed at the top end of the working table plate (1).

2. The steam turbine blade inner and back arc milling splash-proof tooling as claimed in claim 1, wherein: the sliding rail (8) is symmetrically arranged on two sides of the center of the top end of the working table plate (1), the sliding plate (9) slides on the sliding rail (8), the thread of the movable screw (10) penetrates through the sliding plate (9), and one end of the movable screw is connected with the transmission part.

3. The steam turbine blade inner and back arc milling splash-proof tooling as claimed in claim 2, wherein: and cylinders (22) are installed on two sides of the cutter connecting disc (3), and the output end of the servo motor (2) is in threaded fit with the end part of the milling cutter (4) and the outer side wall of each cylinder (22).

4. The steam turbine blade inner and back arc milling splash-proof tooling as claimed in claim 3, wherein: the transmission part comprises a belt groove (5), a belt (6) and a transmission wheel (7), the belt groove (5) is formed in the side face of the cutter connecting disc (3), the belt (6) is transmitted between the belt groove (5) and the transmission wheel (7), and the transmission wheel (7) is installed at the end of the movable screw rod (10).

5. The milling and splashing-preventing tool for the inner back arc of the steam turbine blade as claimed in claim 4, wherein: the center of the top end of the sliding plate (9) is rotated with a height adjusting screw rod (11), and the supporting plate (12) is in threaded fit with the height adjusting screw rod (11).

6. The steam turbine blade inner and back arc milling splash-proof tooling as claimed in claim 5, wherein: the fixing screw rods (13) are arranged on two sides of the supporting plate (12), the thread sleeves (14) are symmetrically arranged on two sides of the center of the fixing screw rods (13), the clamping plates (15) are fixed on the thread sleeves (14), and the side plates (16) are fixed at the top end of the supporting plate (12).

7. The steam turbine blade inner and back arc milling splash-proof tooling as claimed in claim 6, wherein: the fixing device is characterized in that L-shaped connecting plates (23) are arranged at two ends of the fixing screw rods (13) in a rotating mode, the L-shaped connecting plates (23) are fixed on two sides of the supporting plate (12) in a threaded mode, and the top ends of the fixing screw rods (13) are lower than the top end of the supporting plate (12).

8. The steam turbine blade inner back arc milling splash-proof tooling as claimed in claim 7, wherein: the threaded sleeve (14) is of a rectangular structure, and the bottom end of the clamping plate (15) is in smooth contact with the top end of the supporting plate (12).