CN216371655U - Turbine blade lacing wire hole abrasive flow instrument - Google Patents
Turbine blade lacing wire hole abrasive flow instrument Download PDFInfo
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- CN216371655U CN216371655U CN202122551064.9U CN202122551064U CN216371655U CN 216371655 U CN216371655 U CN 216371655U CN 202122551064 U CN202122551064 U CN 202122551064U CN 216371655 U CN216371655 U CN 216371655U
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- tool
- connecting plate
- turbine blade
- abrasive flow
- lacing wire
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Abstract
The utility model relates to the technical field of machining, in particular to a turbine blade lacing wire hole abrasive flow tool which comprises an upper half connecting plate, a lower half connecting plate, an upper tool half piece and a lower tool half piece, wherein the upper half connecting plate is in contact with an abrasive flow machine, the lower half connecting plate is connected with a tool table of the abrasive flow machine, the upper tool half piece is fixedly connected with the upper half connecting plate, the upper tool half piece is matched with the lower tool half piece for use, and a pressing block is utilized to tightly press a turbine blade in a cavity so as to tightly press the turbine blade, so that the blade is prevented from shaking in the machining process and the axis of a lacing wire hole is prevented from being deviated. In addition, due to the arrangement of the cavities, the multiple turbine blades can be clamped once for processing, so that the processing efficiency and the processing quality are improved, and the actual development requirements of enterprises are met.
Description
Technical Field
The utility model relates to the technical field of machining, in particular to a turbine blade lacing wire hole abrasive flow tool.
Background
In recent years, the supercharger market has been expanding. The turbine blades and the turbine shaft are assembled into a turbine shaft with the blades, and the turbine shaft is one of core components of the marine supercharger. When the turbine blade works, the turbine blade needs to work at high temperature, and simultaneously needs to bear centrifugal force, vibration and the like caused by high-speed rotation, in order to ensure the working stability of the turbine blade, the blades are connected into a whole through the lacing wires, and the strength of the blades is enhanced.
When the turbine blade lacing wire hole is machined at present, only one blade can be clamped once for machining, machining efficiency is low, machining quality is not high, and actual development requirements of enterprises cannot be met.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model aims to provide a turbine blade lacing wire hole abrasive flow tool, which aims to solve the problems that only one blade can be clamped at a time for processing when a turbine blade lacing wire hole is processed at present, the processing efficiency is low, the processing quality is not high, and the actual development requirements of enterprises cannot be met.
The utility model provides a turbine blade lacing wire hole abrasive flow tool which comprises an upper half connecting plate, a lower half connecting plate, an upper half tool and a lower half tool, wherein the upper half tool is in contact with an abrasive flow machine, the lower half connecting plate is connected with a tool table of the abrasive flow machine, the upper half tool is connected with the upper half connecting plate through an inner hexagonal screw, a plurality of pressing blocks are arranged below the upper half tool and are distributed along the circumference of the axial center line of the upper half tool, the lower half tool is connected with the lower half connecting plate through an inner hexagonal screw, the lower half tool is positioned right below the upper half tool, a plurality of cavities for placing turbine blades are formed in the upper half tool, and the cavities are distributed along the circumference of the axial center line of the lower half tool.
The fixture comprises a plurality of clamping blocks, a plurality of clamping grooves are formed in the upper half part of the fixture, a plurality of through holes are formed in the lower half part of the fixture, an upper through hole is formed between each clamping block and the upper half part of the fixture, a lower through hole communicated with a cavity is formed in the lower half part of the fixture, and a machining channel for fluid to pass through is formed among the upper through hole, the lower through hole and the lacing wire holes of the turbine blades.
The lower half connecting plate is provided with a boss, and the boss is matched with a counter bore on an abrasive flow machine workbench.
According to the turbine blade lacing wire hole abrasive particle flow tool, the upper half part of the tool is matched with the lower half part of the tool for use, and the turbine blade is pressed in the cavity by the pressing block, so that the turbine blade is pressed, the blade is prevented from shaking in the machining process, and the axis of the lacing wire hole is prevented from being deviated. In addition, the die cavities are arranged, so that a plurality of turbine blades can be clamped at one time for processing, the processing efficiency is improved, and the actual development requirements of enterprises are met.
Drawings
FIG. 1 is a schematic view of the internal structure of a turbine blade lacing wire hole abrasive flow tool of the present invention.
FIG. 2 is a schematic diagram of the construction of the upper half of the tool of the present invention.
Fig. 3 is a schematic structural view of the lower half of the tooling of the present invention.
FIG. 4 is a side view of the lower web half of the present invention.
FIG. 5 is a side view of the upper web half of the present invention.
Fig. 6 is a cross-sectional view of the center of the lacing hole of the present invention.
FIG. 7 is a turbine blade assembly schematic view of the present invention.
FIG. 8 is a turbine blade installation schematic of the present invention.
1-upper half part of the tool, 2-upper half connecting plate, 3-inner hexagon screw, 4-lower half part of the tool, 5-lower half connecting plate, 6-pressing block, 7-cavity, 8-upper through hole, 9-lower through hole, 10-processing channel and 11-boss.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
In the present embodiment, the terms "upper", "lower", "left", "right", "front", "rear", "upper end", "lower end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, or be operated, and thus, should not be construed as limiting the present invention.
Referring to fig. 1 to 8, the present invention provides a turbine blade lacing wire hole abrasive flow tool, which comprises an upper half-joint plate 2 contacting with an abrasive flow machine, a lower half-joint plate 5 connected with a tool table of the abrasive flow machine, a tool upper half 1 and a tool lower half 4, the upper half part 1 of the tool is connected with the upper half connecting plate 2 through a hexagon socket head cap screw 3, a plurality of pressing blocks 6 are arranged below the upper half part 1 of the tool, the pressing blocks 6 are circumferentially distributed along the axial center line of the upper half part 1 of the tool, the lower half part 4 of the tool is connected with the lower half connecting plate 5 through the hexagon socket head cap screws 3, half 4 is located under half 1 on the frock, have a plurality of die cavities 7 that are used for placing the turbine blade on half 1 on the frock, and it is a plurality of die cavity 7 is followed half 4's axial centerline circumference distributes under the frock.
Every briquetting 6 with all be provided with through-hole 8 between the first half 1 of frock, every be provided with on the second half 4 of frock with lower through-hole 9 of die cavity 7 intercommunication, just go up through-hole 8, lower through-hole 9 with form the processing passageway 10 that supplies the fluid to pass through between the lacing wire hole of turbine blade.
The lower half connecting plate 5 is provided with a boss 11, and the boss 11 is matched with a counter bore on an abrasive flow machine workbench.
In the present embodiment, since the turbine blade has a complicated structure and the lacing wire hole processing of the turbine blade cannot be realized by the conventional grinding processing, the turbine blade lacing wire hole abrasive flow tool is designed. In the fluid polishing process, the tool cooperates with the workpiece to form a processing channel 10 as shown in fig. 6, wherein the parts are the upper half part 1 of the tool, the turbine blade and the lower half part 4 of the tool, in the process of processing, a fluid is formed through the upper through hole 8, the lower through hole 9 and the blade lacing wire hole to form the processing channel 10, and in the process of processing, the grinding material is extruded back and forth in the channel formed by the part and the tool. The abrasive uniformly presses and grinds the surface of the channel, and micro-grinding is carried out by the method. Specifically, the upper half part 1 of the tool is matched with the lower half part 4 of the tool for use, and the pressing block 6 is utilized to press the turbine blade in the cavity 7, so that the turbine blade is pressed, and the blade is prevented from shaking in the machining process, and the axis of the lacing wire hole is prevented from deviating. In addition, the die cavity 7 is arranged, so that a plurality of turbine blades can be clamped at a time for processing, the processing efficiency and the processing quality are improved, and the actual development requirements of enterprises are met.
In addition the main function of the first half 1 of the tool is compressing tightly, the first half 1 of the tool is matched with the second half 4 of the tool for use, turbine blades are compressed in a cavity 7 of the second half 4 of the tool, a fastening effect is achieved, and the blades are prevented from shaking in the machining process, so that the axes of the lacing wire holes are prevented from being deviated.
The lower half part 4 of the tool is mainly used for positioning, and compared with mold parting during design, a cavity 7 is formed in the lower half part of the tool according to the profile of a blade body for positioning according to the size of the blade, and as shown in fig. 7 and 8, the axis of a lacing wire hole of the turbine blade and abrasive fluid are guaranteed to keep a pre-designed angle, so that the abrasive fluid can be extruded on the surface of the lacing wire hole, the purpose of polishing is achieved, the abrasive fluid is prevented from flowing to other parts, the loss of abrasive particles is reduced, and the time for cleaning the tool by an operator is shortened. During clamping, the blade body is positioned, and the turbine blade is ensured to be installed in place on the lower half part 4 of the tool.
The lower half connecting plate 5 is mainly used for connection, the lower half connecting plate 5 is connected with an abrasive flow machine tool table, a counter bore is formed in the workbench, the boss 11 is designed on the lower half connecting plate 5, the tool is positioned on the workbench, and the tool is pressed tightly through self weight of the tool, so that the tool is prevented from moving in the grinding process.
The upper half connecting plate 2 is mainly used for connection, the upper half connecting plate 2 is in contact with the abrasive particle flow machine, and the phenomenon that a machining bed is directly pressed on the upper half part 1 of the tool to cause local deformation of the tool and influence on using effect is avoided. Meanwhile, a handle is welded on the upper half 1 of the tool and is connected through a screw, so that the tool is convenient to disassemble and assemble.
In the actual processing process, the turbine blade lacing wire hole abrasive flow tool is matched with the existing PCMA-250 abrasive flow machine for use, fluid polishing is carried out on the lacing wire hole, the problem that the roughness of the lacing wire hole cannot reach Ra <0.7um is solved, meanwhile, a plurality of turbine blades can be clamped at one time, and the processing efficiency is improved; in addition, in order to ensure that the lacing wire hole and abrasive particle flow keep a preset angle in the machining process, the positioning part of the tool needs to be cleaned before machining, and the sharp corner is flattened; in addition, in consideration of damage to the surface of the blade in the clamping process, the tool is made of PA66 plastic with high heat resistance, and meanwhile, the material is light in weight and convenient for workers to use.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and those skilled in the art should understand that the technical solutions of the present invention can be modified or substituted with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (3)
1. A turbine blade lacing wire hole abrasive flow tool is characterized in that:
the tool comprises an upper half connecting plate in contact with an abrasive flow machine, a lower half connecting plate connected with an abrasive flow machine tool table, an upper half tool and a lower half tool, wherein the upper half tool is connected with the upper half connecting plate through hexagon socket head cap screws, a plurality of pressing blocks are arranged below the upper half tool and are distributed along the circumference of the axial center line of the upper half tool, the lower half tool is connected with the lower half connecting plate through hexagon socket head cap screws, the lower half tool is located under the upper half tool, a plurality of cavities for placing turbine blades are formed in the upper half tool, and the cavities are distributed along the circumference of the axial center line of the lower half tool.
2. The turbine blade lacing wire hole abrasive flow tool of claim 1, wherein:
every the briquetting with all be provided with the through-hole between the first half of frock, every be provided with on the second half of frock with the lower through-hole of die cavity intercommunication, just go up the through-hole, down the through-hole with form the processing passageway that supplies the fluid to pass through between the lacing wire hole of turbine blade.
3. The turbine blade lacing wire hole abrasive flow tool of claim 2, wherein:
and the lower half connecting plate is provided with a boss, and the boss is matched with a counter bore on the abrasive flow machine workbench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122551064.9U CN216371655U (en) | 2021-10-22 | 2021-10-22 | Turbine blade lacing wire hole abrasive flow instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122551064.9U CN216371655U (en) | 2021-10-22 | 2021-10-22 | Turbine blade lacing wire hole abrasive flow instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216371655U true CN216371655U (en) | 2022-04-26 |
Family
ID=81248051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122551064.9U Active CN216371655U (en) | 2021-10-22 | 2021-10-22 | Turbine blade lacing wire hole abrasive flow instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216371655U (en) |
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2021
- 2021-10-22 CN CN202122551064.9U patent/CN216371655U/en active Active
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