CN215880039U

CN215880039U - Clamping tool for arc milling of turbine blade

Info

Publication number: CN215880039U
Application number: CN202122167040.3U
Authority: CN
Inventors: 张勇军; 张华春
Original assignee: Nantong Xingdong Blade Technology Co ltd
Current assignee: Nantong Xingdong Blade Technology Co ltd
Priority date: 2021-09-09
Filing date: 2021-09-09
Publication date: 2022-02-22
Anticipated expiration: 2031-09-09

Abstract

The utility model discloses a clamping tool for milling circular arcs of turbine blades, which comprises a tool bottom plate, wherein a T-shaped plate is fixedly arranged on one side of the top of the tool bottom plate, two lantern rings are fixedly arranged on one side of the T-shaped plate, the inner walls of the lantern rings are connected with a fixed rod in a sliding manner, the turbine blades are fixedly arranged at one end of the fixed rod, a supporting table is fixedly arranged on the top of the tool bottom plate, a semicircular ring is fixedly connected on one side of the supporting table away from the tool bottom plate, a rotating ball penetrating and extending out of the semicircular ring is embedded in the inner wall of the semicircular ring, and a milling cutter is fixedly connected on one side of the rotating ball, which is positioned outside the semicircular ring. The milling effect can be carried out on the turbine blade.

Description

Clamping tool for arc milling of turbine blade

Technical Field

The utility model relates to the technical field of clamping tools for arc milling of turbine blades, in particular to a clamping tool for arc milling of a turbine blade.

Background

A steam turbine is also called a steam turbine engine and is a rotary steam power device.A high-temperature high-pressure steam passes through a fixed nozzle to become an accelerated airflow and then is sprayed on blades, so that a rotor provided with a blade row rotates and works outwards, wherein the blades are key parts of the steam turbine and are one of the finest and most important parts, and the blades bear the combined action of high temperature, high pressure, huge centrifugal force, steam exciting force, corrosion and vibration and water drop erosion in a wet steam area under extremely harsh conditions.

And current turbine blade when milling, need carry out the clamping and fix to it to and adjust, in traditional turbine blade course of working, adjust when being not convenient for to turbine blade mills mostly, thereby reduced turbine blade's milling efficiency, in order to solve this problem, now propose a turbine blade circular arc clamping frock of milling.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a clamping tool for arc milling of a turbine blade, which aims to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a clamping frock that steam turbine blade circular arc milled, includes the frock bottom plate, top one side fixed mounting of frock bottom plate has the T template, one side fixed mounting of T template has two lantern rings, the inner wall sliding connection of the lantern ring has the dead lever, the one end fixed mounting of dead lever has the steam turbine blade, the top fixed mounting of frock bottom plate has a brace table, one side fixedly connected with semicircle ring that the frock bottom plate was kept away from to the brace table, the inner wall of semicircle ring is inlayed and is run through and extend to the outer rotor ball of semicircle ring, the rotor ball is located one side fixedly connected with milling cutter outside the semicircle ring.

Preferably, a through groove is formed in one side of the semicircular ring, and a control rod penetrating through and extending out of the through groove is fixedly connected to one side of the rotating ball located in the semicircular ring.

Preferably, one side fixed mounting of T template has servo motor, servo motor's output shaft passes through and extends to the outer dwang of T template through shaft coupling fixedly connected with.

Preferably, the one end fixed mounting who keeps away from servo motor of dwang has the rolling disc, one side fixed mounting that the rolling disc kept away from the dwang has the connecting rod.

Preferably, one end of the connecting rod, which is far away from the rotating disc, is fixedly provided with a fixed groove plate, and one side of the bottom of the fixed groove plate is fixedly provided with a sector gear.

Preferably, a rack is fixedly mounted on one side of the outer ring of the fixing rod, and the rack is meshed with the sector gear.

The utility model has the technical effects and advantages that:

(1) the control rod is moved at the moment, and the control rod moves to drive the rotating ball to rotate, so that the milling cutter fixed on one side of the rotating ball can be driven to rotate, and the turbine blade can be milled;

(2) through starting servo motor, servo motor's output shaft rotates and drives the dwang and rotate, can drive the rolling disc and rotate, because the rolling disc rotates, so can drive the connecting rod and rotate, can drive the fixed frid of fixing in connecting rod one end and move, can drive fixed frid and rotate around the rolling disc, thereby it carries out swing motion around the minimum to drive sector gear, because sector gear and rack toothing, so can drive the dead lever and carry out the back and forth movement, can drive the steam turbine blade of fixing in dead lever one end and move, consequently, when can milling the steam turbine blade of milling, play fixed and effect of adjusting.

Drawings

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

FIG. 2 is a schematic view of a sector gear and rack engagement structure according to the present invention;

FIG. 3 is a schematic view of a semicircular ring structure according to the present invention.

In the figure: 1. a tooling bottom plate; 2. a support table; 3. a semicircular ring; 4. rotating the ball; 5. milling a cutter; 6. a control lever; 7. a turbine blade; 8. fixing the rod; 9. a rack; 10. a sector gear; 11. a collar; 12. a T-shaped plate; 13. a servo motor; 14. rotating the rod; 15. rotating the disc; 16. a connecting rod; 17. fixing the groove plate; 18. through the slot.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a clamping tool for milling circular arcs of turbine blades as shown in figures 1-3, which comprises a tool bottom plate 1, wherein a T-shaped plate 12 is fixedly arranged on one side of the top of the tool bottom plate 1, two lantern rings 11 are fixedly arranged on one side of the T-shaped plate 12, a fixed rod 8 is connected to the inner wall of each lantern ring 11 in a sliding mode, a turbine blade 7 is fixedly arranged at one end of each fixed rod 8, a supporting table 2 is fixedly arranged on the top of the tool bottom plate 1, a semicircular ring 3 is fixedly connected to one side, away from the tool bottom plate 1, of each supporting table 2, a rotating ball 4 penetrating through and extending out of the semicircular ring 3 is embedded in the inner wall of each semicircular ring 3, and a milling cutter 5 is fixedly connected to one side, located outside the semicircular ring 3, of each rotating ball 4.

According to fig. 3, one side of the semicircular ring 3 is provided with a through groove 18, one side of the rotary ball 4 positioned in the semicircular ring 3 is fixedly connected with a control rod 6 which runs through and extends to the outside of the through groove 18, so that the semicircular ring 3 plays a role in fixing the rotary ball 4, so that the rotary ball 4 plays a role in driving the milling cutter 5 to move and mill, so that the through groove 18 plays a role in limiting the control rod 6, so that the control rod 6 plays a role in driving the rotary ball 4 to rotate, and thereby the milling cutter 5 is driven to mill.

According to fig. 1, one side fixed mounting of T type board 12 has servo motor 13, and servo motor 13's output shaft passes through shaft coupling fixedly connected with and extends to the outer dwang 14 of T type board 12 to T type board 12 has played the effect of fixing servo motor 13, and so that servo motor 13 has played and has driven dwang 14 and carry out the pivoted effect, so that dwang 14 has played the effect that drives and carry out circular motion at rolling disc 15.

According to fig. 2, one end of the rotating rod 14 far away from the servo motor 13 is fixedly provided with a rotating disc 15, and one side of the rotating disc 15 far away from the rotating rod 14 is fixedly provided with a connecting rod 16, so that the rotating disc 15 plays a role in fixing the connecting rod 16 and driving the connecting rod 16 to perform circular motion, so that the connecting rod 16 plays a role in fixing the fixed slot plate 17 and driving the fixed slot plate 17 to move.

According to fig. 1 and 2, a fixed groove plate 17 is fixedly installed at one end of the connecting rod 16 far away from the rotating disc 15, and the fixed groove plate 17 of the sector gear 10 is fixedly installed at one side of the bottom of the fixed groove plate 17, so that the effect of fixing the sector gear 10 and the effect of driving the sector gear 10 to swing are achieved.

According to fig. 1 and 2, a rack 9 is fixedly installed on one side of the outer ring of the fixing rod 8, and the rack 9 is meshed with a sector gear 10, so that the fixing rod 8 has an effect of fixing the turbine blades 7 and the rack 9, and drives the turbine blades 7 to move, and the rack 9 is meshed with the sector gear 10 so as to drive the fixing rod 8 to move in the lantern ring 11.

The working principle of the utility model is as follows: when the turbine blade 7 needs to be milled, the control rod 6 is moved at the moment, the control rod 6 is moved to drive the rotating ball 4 to rotate, the milling cutter 5 can be driven to rotate, the turbine blade 7 can be milled, but when the turbine blade 7 is milled, the distance of the turbine blade 7 needs to be adjusted, the servo motor 13 is started, the output shaft of the servo motor 13 rotates to drive the rotating rod 14 to rotate, the rotating disc 15 can be driven to rotate, the rotating disc 15 rotates, the connecting rod 16 can be driven to rotate, the fixed slotted plate 17 fixed at one end of the connecting rod 16 can be driven to move, the fixed slotted plate 17 can be driven to rotate around the rotating disc 15, the sector gear 10 is driven to swing around the lowest point, and the sector gear 10 is meshed with the rack 9, so the fixed rod 8 can be driven to move back and forth, can drive and fix the steam turbine blade 7 in dead lever 8 one end and move, consequently can mill the effect of carrying out the regulation to steam turbine blade 7, consequently this practicality can mill the effect of carrying out fixed and regulation when milling steam turbine blade 7.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "disposed," "mounted," "connected," and "secured" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integral to; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used by the utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the description of the attached drawings.

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. The utility model provides a clamping frock that steam turbine blade circular arc milled, includes frock bottom plate (1), its characterized in that, top one side fixed mounting of frock bottom plate (1) has T template (12), one side fixed mounting of T template (12) has two lantern rings (11), the inner wall sliding connection of the lantern ring (11) has dead lever (8), the one end fixed mounting of dead lever (8) has steam turbine blade (7), the top fixed mounting of frock bottom plate (1) has brace table (2), one side fixedly connected with semicircle ring (3) of frock bottom plate (1) are kept away from in brace table (2), the inner wall of semicircle ring (3) is inlayed and is run through and extend to the outer ball (4) of semicircle ring (3), ball (4) are located one side fixedly connected with milling cutter (5) outside semicircle ring (3).

2. The clamping tool for circular arc milling of the steam turbine blade according to claim 1, wherein a through groove (18) is formed in one side of the semicircular ring (3), and a control rod (6) which penetrates through and extends out of the through groove (18) is fixedly connected to one side, located in the semicircular ring (3), of the rotating ball (4).

3. The clamping tool for circular arc milling of the steam turbine blade according to claim 1, wherein a servo motor (13) is fixedly mounted on one side of the T-shaped plate (12), and an output shaft of the servo motor (13) is fixedly connected with a rotating rod (14) which penetrates through and extends out of the T-shaped plate (12) through a coupler.

4. The clamping tool for circular arc milling of the steam turbine blade according to claim 3, wherein a rotating disc (15) is fixedly mounted at one end of the rotating rod (14) far away from the servo motor (13), and a connecting rod (16) is fixedly mounted at one side of the rotating disc (15) far away from the rotating rod (14).

5. The clamping tool for arc milling of the steam turbine blade according to claim 4, wherein a fixed groove plate (17) is fixedly mounted at one end, away from the rotating disc (15), of the connecting rod (16), and a sector gear (10) is fixedly mounted on one side of the bottom of the fixed groove plate (17).

6. The clamping tool for arc milling of the steam turbine blade according to claim 5, wherein a rack (9) is fixedly mounted on one side of the outer ring of the fixing rod (8), and the rack (9) is meshed with the sector gear (10).