CN215968413U

CN215968413U - Device for processing moving blade assembly surface

Info

Publication number: CN215968413U
Application number: CN202122490407.5U
Authority: CN
Inventors: 高阳; 韩波
Original assignee: Weifang Baorun Machinery Co ltd
Current assignee: Weifang Baorun Machinery Co ltd
Priority date: 2021-09-18
Filing date: 2021-10-16
Publication date: 2022-03-08
Anticipated expiration: 2031-10-16

Abstract

The utility model belongs to the technical field of machining tools, and particularly relates to a device for machining a moving blade assembly surface, which comprises a fixed base plate, wherein the top surface of the fixed base plate is fixedly connected with a fixed seat, one side of the fixed seat is provided with a movable seat at a certain interval, the movable seat is in sliding connection with the fixed base plate, the movable seat and the fixed seat are symmetrically arranged, an upper clamping plate and a lower clamping plate are respectively arranged in the movable seat and the fixed seat, a plurality of pneumatic clamping assemblies are respectively arranged on the opposite surfaces of the upper clamping plate and the lower clamping plate, a driving assembly for driving the upper clamping plate to move up and down is arranged above the upper clamping plate, and an adjusting assembly for accurately adjusting the height position of the lower clamping plate is arranged below the lower clamping plate.

Description

Device for processing moving blade assembly surface

Technical Field

The utility model belongs to the technical field of machining tools, and particularly relates to a device for machining a moving blade assembling surface.

Background

The steam turbine, also called a steam turbine engine, is a rotary steam power plant, 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 applies work to the outside, and the steam turbine is mainly used as a prime mover for power generation and can also directly drive various pumps, fans, compressors, ship propellers and the like.

The steam turbine main body mainly comprises a rotating part and a static part, wherein the rotor comprises a main shaft, an impeller, a moving blade, a coupling and the like; the stator comprises a steam inlet part, a sliding table cylinder, a partition plate, a stationary blade grid, a steam seal, a bearing and the like, and the manufacturing precision of the turbine moving blade determines the rotating quality and the service life of the turbine in the operation to a certain extent.

At present, the steam passage processing of the steam turbine moving blade is mainly completed through mechanical processing, because the irregular shape of the curved surface is also irregular due to the irregular shape of the steam passage, in order to improve the processing precision, the steam turbine moving blade is generally processed by a numerical control machine, and the fixing and the high-precision positioning of the steam turbine moving blade on the numerical control machine are mainly realized through a special tool fixture.

The utility model with application number 202021982800.5 discloses a device for processing a moving blade assembly surface, which comprises a base, a blade root positioning component and a blade shroud positioning component, wherein the blade root positioning component is arranged on one side of the upper surface of the base, and the blade shroud positioning component is arranged on the other side of the upper surface of the base; according to the utility model, the blade root and the blade shroud of the turbine moving blade are respectively positioned and then processed, so that the processing quality and stability of the single blade assembly surface can be ensured, the processing state of the blade can be adjusted at any time, the technical requirements can be ensured, and the processing efficiency can be improved; but above-mentioned utility model when the clamping uses, can't have multiple form to the blade root of steam turbine moving blade and apex and make corresponding adjustment, can't satisfy the corresponding clamping location requirement of blade root and apex among the multiple steam turbine moving blade, therefore we make the improvement to this, provide a device of processing moving blade fitting surface.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the main technical problem of providing a device for processing the moving blade assembling surface, which has the advantages of reasonable structure, convenient adjustment, reliable fixation and strong applicability.

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

the utility model provides a device of processing moving blade mounting surface, includes PMKD, its characterized in that: the top surface rigid coupling of PMKD has the fixing base, and one side interval certain distance of fixing base is provided with removes the seat, removes seat and PMKD sliding connection, removes the seat and is the symmetry with the fixing base and lays, all installs punch holder and lower plate in removing seat and the fixing base, all installs a plurality of pneumatic clamping components on the face that punch holder and lower plate are relative, the top of punch holder is provided with the drive assembly who is used for driving the punch holder to reciprocate, the below of lower plate is provided with the adjustment subassembly that is used for the accurate adjustment lower plate height position.

The following is a further optimization of the above technical solution of the present invention:

the pneumatic clamping device is characterized in that gas chambers are formed in the upper clamping plate and the lower clamping plate and communicated with corresponding pneumatic clamping assemblies, and gas pumps are fixedly mounted on the outer side walls of the movable seat and the fixed seat and communicated with the corresponding gas chambers. Further optimization: the pneumatic clamping assembly comprises an installation cylinder, the installation cylinder is fixedly connected with an upper clamping plate or a lower clamping plate corresponding to the installation cylinder, and an inner cavity of the installation cylinder is communicated with a gas cavity corresponding to the installation cylinder.

Further optimization: the pneumatic clamping assembly comprises an installation cylinder, the installation cylinder is fixedly connected with an upper clamping plate or a lower clamping plate corresponding to the installation cylinder, and an inner cavity of the installation cylinder is communicated with a gas cavity corresponding to the installation cylinder.

Further optimization: the inside sliding connection of installation section of thick bamboo has the piston, and the rigid coupling has the slide bar on the side of piston, and the other end of slide bar extends to the outside of installation section of thick bamboo and rigid coupling has the clamping rubber head.

Further optimization: the sliding rod is sleeved with a return spring, one end of the return spring is fixedly connected with the inner wall of the mounting cylinder, and the other end of the return spring is fixedly connected with the side face, close to the clamping rubber head, of the piston.

Further optimization: the driving assembly comprises at least one sliding table cylinder, the sliding table cylinder is fixedly connected with the corresponding movable seat or the corresponding fixed seat, and a piston rod of the sliding table cylinder is fixedly connected with the corresponding upper clamping plate.

Further optimization: the adjusting assembly comprises at least one electric sliding table, the electric sliding table is fixedly connected with a corresponding movable seat or a corresponding fixed seat, and the working sliding table of the electric sliding table is fixedly connected with a corresponding lower clamping plate.

Further optimization: the utility model discloses a fixed baseplate, including the fixed baseplate, the fixed baseplate is close to the position department that removes the seat and has seted up the adjustment tank, and the lower extreme that removes the seat extends to the adjustment tank in, all has seted up the spout on the both sides wall of adjustment tank, and equal rigid coupling has the slider on the both sides face of removing the seat, slider and its corresponding spout sliding connection.

Further optimization: the movable seat is fixedly connected with a threaded cylinder, the inner part of the threaded cylinder is in threaded connection with a stud, the lower end of the stud penetrates through the movable seat and is fixedly connected with a brake plate, and the upper end of the stud is fixedly connected with an adjusting hand wheel.

Further optimization: the side of the movable seat and the side of the fixed seat are both provided with a main air pipe, the main air pipe is communicated with an air outlet of an air pump corresponding to the main air pipe, the main air pipe is communicated with a plurality of auxiliary air pipes, and the other ends of the auxiliary air pipes are communicated with an air chamber or a sliding table air cylinder corresponding to the auxiliary air pipes.

The utility model realizes the rapid clamping and positioning of the blade root and the blade tip in the turbine moving blade through the plurality of groups of pneumatic clamping assemblies arranged on the upper clamping plate and the lower clamping plate, has high clamping efficiency and accurate positioning, can meet the requirement of clamping the turbine moving blades with different specifications, and has high applicability;

the movable seat is matched with the adjusting groove, so that the movable seat can be quickly moved and adjusted on the fixed base plate, the distance between the movable seat and the fixed seat can be quickly adjusted, the movable blades of the steam turbines with different lengths can be conveniently clamped and used, and meanwhile, the movable seat can be quickly braked and locked after being adjusted by matching the adjusting hand wheel with the braking plate, so that the clamping stability can be effectively improved;

the clamping device has the advantages of simple and reasonable structure, novel design, simplicity and convenience in operation, capability of meeting the clamping use of the turbine moving blades with different specifications, and higher applicability.

The utility model is further illustrated with reference to the following figures and examples.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of the construction of the lower jaw and pneumatic clamp assembly in an embodiment of the present invention;

FIG. 4 is a schematic diagram of a pneumatic clamping assembly in an embodiment of the present invention.

In the figure: 1-fixing the bottom plate; 2-a movable seat; 3-fixing the base; 4-lower splint; 5, an upper splint; 6-a slipway cylinder; 7-a pneumatic clamping assembly; 701-mounting a barrel; 702-a slide bar; 703-clamping the rubber head; 704-a piston; 705-a return spring; 8, an air pump; 9-main trachea; 10-the accessory trachea; 11-adjusting the hand wheel; 12-an adjustment tank; 13-a chute; 14-a slide block; 15-a threaded cylinder; 16-a brake plate; 17-electric slipway.

Detailed Description

Example (b):

as shown in fig. 1-4, an apparatus for processing a moving blade assembly surface includes a fixed base plate 1, a fixed base 3 fixedly connected to a top surface of the fixed base plate 1, a movable base 2 disposed on one side of the fixed base 3 at a certain distance, the movable base 2 slidably connected to the fixed base plate 1, and the movable base 2 and the fixed base 3 symmetrically disposed.

All install punch holder 5 and lower plate 4 in removing seat 2 and the fixing base 3, all install a plurality of pneumatic clamping component 7 on the face that punch holder 5 and lower plate 4 are relative, the top of punch holder 5 is provided with the drive assembly who is used for driving punch holder 5 and reciprocates, the below of lower plate 4 is provided with the adjustment subassembly that is used for 4 high positions of accurate adjustment lower plate.

The inside of upper plate 5 and lower plate 4 has all seted up gaseous cavity, and gaseous cavity communicates with its corresponding pneumatic clamping assembly 7.

Air pumps 8 are fixedly mounted on the outer side walls of the movable seat 2 and the fixed seat 3, and the air pumps 8 are communicated with corresponding air chambers.

The pneumatic clamping assembly 7 comprises a mounting cylinder 701, the mounting cylinder 701 is fixedly connected with an upper clamping plate 5 or a lower clamping plate 4 corresponding to the mounting cylinder 701, and the inner cavity of the mounting cylinder 701 is communicated with a corresponding gas chamber.

A piston 704 is slidably connected to the inside of the mounting cylinder 701, a sliding rod 702 is fixedly connected to a side surface of the piston 704, and the other end of the sliding rod 702 extends to the outside of the mounting cylinder 701 and is fixedly connected with a clamping rubber head 703.

Through the arrangement of the clamping rubber head 703, the damage of the end part of the sliding rod 702 to the surface of the blade during clamping can be effectively reduced, and the use is convenient.

A return spring 705 is sleeved on the sliding rod 702, one end of the return spring 705 is fixedly connected with the inner wall of the mounting cylinder 701, and the other end of the return spring 705 is fixedly connected with the side face of the piston 704 close to the clamping rubber head 703.

The driving assembly comprises one or more sliding table air cylinders 6, the sliding table air cylinders 6 are fixedly connected with the corresponding moving seats 2 or the corresponding fixed seats 3, and piston rods of the sliding table air cylinders 6 are fixedly connected with the corresponding upper clamping plates 5.

The number of the slide table cylinders 6 in this example is two.

The adjusting assembly comprises one or more electric sliding tables 17, the electric sliding tables 17 are fixedly connected with the corresponding movable seats 2 or the corresponding fixed seats 3, and the working sliding tables of the electric sliding tables 17 are fixedly connected with the corresponding lower clamping plates 4.

The number of the electric slide table 17 is two in this example.

The fixed baseplate 1 has been seted up near the position department that removes seat 2 by adjustment tank 12, and the lower extreme that removes seat 2 extends to in the adjustment tank 12, has all seted up spout 13 on the both sides wall of adjustment tank 12, and two spout 13 are the symmetry and lay.

The two side surfaces of the moving seat 2 are fixedly connected with sliding blocks 14, the sliding blocks 14 extend into the corresponding sliding grooves 13, and the sliding blocks 14 are in sliding connection with the corresponding sliding grooves 13.

Through the cooperation of removing seat 2 and adjusting groove 12 and using, realized removing the quick travel adjustment of seat 2 on PMKD 1, realized removing the quick adjustment of seat 2 with 3 intervals of fixing base, and then be convenient for satisfy the tight use of clamp to the steam turbine moving blade of different length.

A threaded cylinder 15 is fixedly connected to the moving seat 2, a stud is connected to the inner thread of the threaded cylinder 15, the lower end of the stud penetrates through the moving seat 2 and is fixedly connected with a brake plate 16, and an adjusting hand wheel 11 is fixedly connected to the upper end of the stud.

Through the cooperation use of adjusting hand wheel 11 and braking plate 16 for slider 14 closely cooperates with the lateral wall of spout 13, thereby has realized adjusting the quick braking locking after accomplishing to removing seat 2, and then can effectively improve the stability of clamping, convenient to use.

All install main trachea 9 on the side of removing seat 2 and fixing base 3, main trachea 9 communicates with the gas outlet of its corresponding air pump 8, and the intercommunication has a plurality of auxiliary gas pipes 10 on the main trachea 9, and the other end of auxiliary gas pipe 10 communicates with its corresponding gas chamber or slip table cylinder 6 respectively.

The auxiliary air pipes 10 are all provided with electromagnetic valves.

During the use, adjust the relative position who removes seat 2 and fixed seat 3 earlier, then place the steam turbine moving blade that needs the clamping between fixed seat 3 and the removal seat 2 to place the blade root and the apex of blade respectively on fixed seat 3 and the lower plate 4 that removes on the seat 2.

And then, the upper clamping plate 5 is controlled to move downwards through the sliding table air cylinder 6 to clamp the moving blade of the steam turbine, and after the moving blade is clamped, the electric sliding table 17 at the bottom side of the lower clamping plate 4 is adjusted to enable the blade root and the blade tip of the blade to be positioned at required height positions, so that the blade is rapidly clamped.

This device of processing moving blade mounting surface through the pneumatic tight subassembly 7 of multiunit that upper plate 5 and lower plate 4 side are connected, has realized that blade root and apex are pressed from both sides tight location fast in the blade, and the clamping is efficient, and the location is accurate, can satisfy the clamp tight to different specification steam turbine moving blades, and the suitability is higher.

Through the cooperation of removing seat 2 and adjustment tank 12 and using, realized removing the quick travel adjustment of seat 2 on PMKD 1, realized removing the quick adjustment of seat 2 with 3 intervals of fixing base, and then satisfied the tight use of clamp to different length steam turbine moving blades, used through the cooperation of adjusting handle 11 with braking plate 16 simultaneously, realized the quick braking locking after adjusting to removing seat 2, and then effectively improved the stability of clamping.

It will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in the embodiments described above without departing from the principles and spirit of the utility model, the scope of which is defined by the appended claims.

Claims

1. The utility model provides a device of processing moving blade mounting surface, includes PMKD (1), its characterized in that: the top surface rigid coupling of PMKD (1) has fixing base (3), one side interval certain distance of fixing base (3) is provided with removes seat (2), remove seat (2) and PMKD (1) sliding connection, it lays to be the symmetry with fixing base (3) to remove seat (2), all install punch holder (5) and lower plate (4) in removing seat (2) and fixing base (3), all install a plurality of pneumatic clamping component (7) on punch holder (5) and the relative face of lower plate (4), the top of punch holder (5) is provided with the drive assembly who is used for driving punch holder (5) and reciprocates, the below of lower plate (4) is provided with the adjustment subassembly that is used for accurate adjustment lower plate (4) high position.

2. The apparatus for machining a rotor blade mounting surface according to claim 1, wherein: the gas chamber has all been seted up to the inside of punch holder (5) and lower plate (4), and gas chamber and its corresponding pneumatic clamping component (7) intercommunication all fixed mounting has air pump (8) on the lateral wall of removal seat (2) and fixing base (3), and air pump (8) communicate with its corresponding gas chamber.

3. The apparatus for machining a rotor blade mounting surface according to claim 2, wherein: the pneumatic clamping assembly (7) comprises an installation cylinder (701), the installation cylinder (701) is fixedly connected with an upper clamping plate (5) or a lower clamping plate (4) corresponding to the installation cylinder (701), and an inner cavity of the installation cylinder (701) is communicated with a corresponding gas cavity.

4. The apparatus for machining a rotor blade mounting surface according to claim 3, wherein: a piston (704) is connected to the inside of the mounting cylinder (701) in a sliding mode, a sliding rod (702) is fixedly connected to the side face of the piston (704), and the other end of the sliding rod (702) extends to the outside of the mounting cylinder (701) and is fixedly connected with a clamping rubber head (703).

5. The apparatus for machining a rotor blade mounting surface according to claim 4, wherein: a return spring (705) is sleeved on the sliding rod (702), one end of the return spring (705) is fixedly connected with the inner wall of the mounting cylinder (701), and the other end of the return spring (705) is fixedly connected with the side face, close to the clamping rubber head (703), of the piston (704).

6. The apparatus for machining a rotor blade mounting surface according to claim 5, wherein: the driving assembly comprises at least one sliding table cylinder (6), the sliding table cylinder (6) is fixedly connected with the corresponding moving seat (2) or the corresponding fixed seat (3), and a piston rod of the sliding table cylinder (6) is fixedly connected with the corresponding upper clamping plate (5).

7. The apparatus for machining a rotor blade mounting surface according to claim 6, wherein: the adjusting assembly comprises at least one electric sliding table (17), the electric sliding table (17) is fixedly connected with the corresponding moving seat (2) or the corresponding fixed seat (3), and the working sliding table of the electric sliding table (17) is fixedly connected with the corresponding lower clamping plate (4).

8. The apparatus for machining a rotor blade mounting surface according to claim 7, wherein: the utility model discloses a fixed baseplate, including fixed baseplate (1), adjusting groove (12) have been seted up to position department that PMKD (1) is close to removal seat (2), and in the lower extreme of removing seat (2) extended to adjusting groove (12), spout (13) had all been seted up on the both sides wall of adjusting groove (12), equal rigid coupling had slider (14) on the both sides face of removing seat (2), slider (14) and its corresponding spout (13) sliding connection.

9. The apparatus for machining a rotor blade mounting surface according to claim 8, wherein: a threaded cylinder (15) is fixedly connected to the movable seat (2), a stud is connected to the inner thread of the threaded cylinder (15), the lower end of the stud penetrates through the movable seat (2) and is fixedly connected with a brake plate (16), and an adjusting hand wheel (11) is fixedly connected to the upper end of the stud.

10. The apparatus for machining a rotor blade mounting surface according to claim 9, wherein: main air pipes (9) are installed on the side faces of the moving seat (2) and the fixing seat (3), the main air pipes (9) are communicated with air outlets of corresponding air pumps (8), a plurality of auxiliary air pipes (10) are communicated with the main air pipes (9), and the other ends of the auxiliary air pipes (10) are communicated with corresponding air chambers or sliding table air cylinders (6).