CN219503776U - Positioning tool for machining end face of turbine shaft - Google Patents
Positioning tool for machining end face of turbine shaft Download PDFInfo
- Publication number
- CN219503776U CN219503776U CN202320301324.3U CN202320301324U CN219503776U CN 219503776 U CN219503776 U CN 219503776U CN 202320301324 U CN202320301324 U CN 202320301324U CN 219503776 U CN219503776 U CN 219503776U
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- positioning
- turbine shaft
- plate
- pressing
- positioning plate
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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Abstract
The utility model relates to a positioning tool for machining the end face of a turbine shaft, wherein a base is connected to a cutter row lathe workbench; the positioning plate and the positioning seat are arranged on the base; the pressing plate is provided with a pressing groove corresponding to the V-shaped groove of the positioning plate; one end of a turbine shaft penetrates into a through hole of a positioning seat, a shaft rod of the turbine shaft is placed in a V-shaped groove of a positioning plate, the turbine shaft is clamped on the side end surface of the positioning plate for positioning, and a pressing plate is arranged at the upper end of the turbine shaft; the shaft rod at the upper end is arranged in the compression groove, penetrates into the screw hole of the compression plate and the screw hole of the positioning plate through the compression screw to compress and fix the turbine shaft, and a gasket is arranged between the compression screw and the compression plate; the milling cutter is provided with a replaceable blade, the milling cutter is clamped by a three-jaw chuck, and the end face of a turbine shaft arranged on the positioning tool is machined. The positioning tool disclosed by the utility model is simple in structure and convenient to install.
Description
Technical Field
The utility model relates to the field of production of exhaust gas turbochargers, in particular to a positioning tool for machining the end face of a turbine shaft.
Background
The turbine blank and the turbine shaft are connected together through welding to form a turbine and shaft assembly, the turbine shaft blank is obtained through a cold heading process, and in order to ensure welding quality, the surface of a part welding part is required to be processed before welding, so that higher surface roughness and dimensional accuracy are obtained. The existing machining welding surface of the turbine shaft blank is machined on an ordinary lathe, as shown in fig. 1, the outer circle of the blank is clamped by a chuck claw to fix the turbine shaft blank, the chuck claw is driven to rotate by the rotation of a lathe spindle, and the end surface of a part is machined by a turning tool on a workbench. According to the machining method, each blank is clamped by manual clamping, the labor intensity of a worker is high, machining abrasion of one edge of a turning tool is fast, the dimensional accuracy is difficult to guarantee, the tool is worn, and a manual grinding wheel is needed for grinding, so that the machining efficiency is low.
Disclosure of Invention
Aiming at the problems, the utility model aims to provide a positioning tool for processing the end face of a turbine shaft, which comprises the following specific technical scheme:
a positioning tool for processing the end face of a turbine shaft comprises a base, a positioning plate, a positioning seat, a pressing plate, a gasket, a connecting bolt and a pressing screw;
mounting holes are formed in the central lines of two ends of the base, and the base is connected to a cutter arranging lathe workbench through connecting bolts penetrating through the mounting holes;
the positioning plate is rectangular, and the upper end surface of the positioning plate is provided with a V-shaped groove and a screw hole;
the positioning plate and the positioning seat are arranged on the base;
one end of the positioning plate protrudes out of the front end face of the base, and the positioning plate is fixed on the base through a connecting bolt;
the positioning seat is L-shaped, the rear end face of the base protrudes out of one end of the positioning seat, and a through hole is formed in the positioning seat;
the pressing plate is provided with a pressing groove and a screw hole which correspond to the V-shaped groove;
one end of a turbine shaft penetrates into a through hole of a positioning seat, a shaft rod of the turbine shaft is placed in a V-shaped groove of a positioning plate, the turbine shaft is clamped on the side end surface of the positioning plate for positioning, and a pressing plate is arranged at the upper end of the turbine shaft;
the shaft rod at the upper end is arranged in the compression groove, penetrates into the screw hole of the compression plate and the screw hole of the positioning plate through the compression screw to compress and fix the turbine shaft, and a gasket is arranged between the compression screw and the compression plate;
the milling cutter is provided with a replaceable blade, and is clamped by a three-jaw chuck to process the surface to be processed of the turbine shaft arranged on the positioning tool.
The positioning tool for processing the end face of the turbine shaft is characterized in that four V-shaped grooves are arranged on the positioning plate according to the equipment travel and are uniformly distributed on the upper end face of the positioning plate; two pressing grooves are formed in the pressing plate, and the two pressing plates are matched with the positioning plate. The positioning seat is uniformly provided with four through holes, and the four through holes and the cavity formed by the compression groove and the V-shaped groove are coaxial.
The positioning tool for machining the end face of the turbine shaft is characterized in that the V-shaped groove and the notch of the pressing groove can be used for installing the turbine shaft with the size of phi 6-phi 18.
The positioning tool for machining the end face of the turbine shaft is characterized in that the milling cutter is provided with four blades, and each blade is provided with a cutting edge.
Positioning tool principle for machining end face of turbine shaft: the base, the locating plate and the locating seat are fixed in relative positions through the connecting bolts, the position is unchanged in the machining process, the position of the turbine shaft on the locating tool is determined through the side end face of the locating plate and the V-shaped groove structure, the turbine shaft is fixed through the pressing plate, the gasket and the pressing screw, the position is unchanged in the machining process, and therefore the size consistency is guaranteed.
The utility model has the beneficial effects that:
according to the machining tool for clamping four parts for positioning at one time on the numerical control lathe, machining of the end face of the blank of the turbine shaft is completed, machining precision is effectively guaranteed, clamping can be carried out on different shaft diameters, labor efficiency is greatly improved, and labor intensity is reduced. The positioning tool disclosed by the utility model is simple in structure and convenient to install.
Drawings
FIG. 1 is a prior art process schematic;
FIG. 2 is a schematic view of a turbine shaft structure;
FIG. 3 is a front view of a positioning tool;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a front view of an improved spindle chuck clamping milling cutter;
FIG. 6 is a side view of an improved spindle chuck clamping milling cutter;
FIG. 7 is a schematic view of a part positioning plate structure;
FIG. 8 is a front view of the part holder;
FIG. 9 is a side view of the part positioning socket;
fig. 10 is a schematic view of a part platen structure.
In the figure: 1-a base; 2-positioning plates; 3-positioning seats; 4-pressing plates; 5-a gasket; 6-connecting bolts; 7-pressing the screw; an 8-V groove; 9-a compaction groove; 10-through holes; 11-turbine shaft; 12-milling cutter; 13-a blade; 14-three jaw chuck; 15-the surface to be machined.
Detailed Description
In order to make the objects, technical solutions and advantages of the present utility model more clear, the present utility model will be described in further detail with reference to specific embodiments.
As shown in fig. 2-10, a positioning tool for machining the end face of a turbine shaft comprises a base 1, a positioning plate 2, a positioning seat 3, a pressing plate 4, a gasket 5, a connecting bolt 6 and a pressing screw 7;
mounting holes are formed in the central lines of two ends of the base 1 and are used for connecting the base 1 to a cutter row lathe workbench through the mounting holes by connecting bolts 6;
the positioning plate 2 is rectangular, and the upper end surface of the positioning plate is provided with a V-shaped groove 8 and a screw hole;
the positioning plate 2 and the positioning seat 3 are arranged on the base 1;
one end of the positioning plate 2 protrudes out of the front end face of the base 1, and the positioning plate 2 is fixed on the base 1 through a connecting bolt 6;
the positioning seat 3 is L-shaped, the rear end face of the base 1 protrudes out of one end of the positioning seat 3, and a through hole 10 is formed in the positioning seat 3;
the pressing plate 4 is provided with a pressing groove 9 and a screw hole which correspond to the V-shaped groove 8 in shape;
one end of a turbine shaft 11 penetrates into a through hole 10 of the positioning seat 3, a shaft rod of the turbine shaft is placed in a V-shaped groove 8 of the positioning plate 2, the turbine shaft 11 is clamped on the side end surface of the positioning plate 2 for positioning, and a pressing plate 4 is arranged at the upper end of the turbine shaft 11;
the shaft lever at the upper end is arranged in the compression groove 9, penetrates into the screw hole of the pressing plate 4 and the screw hole of the positioning plate 2 through the compression screw 7, compresses and fixes the turbine shaft 11, and a gasket 5 is arranged between the compression screw 7 and the pressing plate 4;
the milling cutter 12 is provided with replaceable inserts 13, and the milling cutter 12 is clamped by a three-jaw chuck 14 to machine a surface 15 to be machined of the turbine shaft 11 provided on the positioning tool.
The four V-shaped grooves 8 on the positioning plate 2 are uniformly distributed on the upper end surface of the positioning plate 2 according to the equipment travel; two pressing grooves 9 are formed in the pressing plate 4, and the two pressing plates 4 are matched with the positioning plate 2.
The notches of the V-shaped groove 8 and the pressing groove 9 can be provided with turbine shafts with the dimensions phi 6-phi 18.
The milling cutter 12 has four inserts 13, each insert 13 having a cutting edge.
Positioning tool principle for machining end face of turbine shaft: the base, the locating plate and the locating seat are fixed in relative positions through the connecting bolts, the position is unchanged in the machining process, the position of the turbine shaft on the locating tool is determined through the side end face of the locating plate and the V-shaped groove structure, the turbine shaft is fixed through the pressing plate, the gasket and the pressing screw, the position is unchanged in the machining process, and therefore the size consistency is guaranteed.
While the utility model has been described in detail in the foregoing general description and specific examples, it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, such modifications or improvements may be made without departing from the spirit of the utility model and are intended to be within the scope of the utility model as claimed.
Claims (4)
1. A location frock for processing turbine shaft terminal surface, its characterized in that: the device comprises a base, a locating plate, a locating seat, a pressing plate, a gasket, a connecting bolt and a compression screw;
mounting holes are formed in the central lines of two ends of the base, and the base is connected to a cutter arranging lathe workbench through connecting bolts penetrating through the mounting holes;
the positioning plate is rectangular, and the upper end surface of the positioning plate is provided with a V-shaped groove and a screw hole;
the positioning plate and the positioning seat are arranged on the base;
one end of the positioning plate protrudes out of the front end face of the base, and the positioning plate is fixed on the base through a connecting bolt;
the positioning seat is L-shaped, the rear end face of the base protrudes out of one end of the positioning seat, and a through hole is formed in the positioning seat;
the pressing plate is provided with a pressing groove and a screw hole which correspond to the V-shaped groove;
one end of a turbine shaft penetrates into a through hole of a positioning seat, a shaft rod of the turbine shaft is placed in a V-shaped groove of a positioning plate, the turbine shaft is clamped on the side end surface of the positioning plate for positioning, and a pressing plate is arranged at the upper end of the turbine shaft;
the shaft rod at the upper end is arranged in the compression groove, penetrates into the screw hole of the compression plate and the screw hole of the positioning plate through the compression screw to compress and fix the turbine shaft, and a gasket is arranged between the compression screw and the compression plate;
the milling cutter is provided with a replaceable blade, and is clamped by a three-jaw chuck to process the surface to be processed of the turbine shaft arranged on the positioning tool.
2. The positioning tool for machining a turbine shaft end face according to claim 1, wherein: the four V-shaped grooves on the positioning plate are uniformly distributed on the upper end surface of the positioning plate according to the equipment travel; two pressing grooves are formed in the pressing plate, and the two pressing plates are matched with the positioning plate for use; the positioning seat is uniformly provided with four through holes, and the four through holes and the cavity formed by the compression groove and the V-shaped groove are coaxial.
3. The positioning tool for machining a turbine shaft end face according to claim 1, wherein: the V-shaped groove and the notch of the pressing groove can be provided with a turbine shaft with the size phi 6-phi 18.
4. The positioning tool for machining a turbine shaft end face according to claim 1, wherein: the milling cutter has four blades, each having a cutting edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320301324.3U CN219503776U (en) | 2023-02-24 | 2023-02-24 | Positioning tool for machining end face of turbine shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320301324.3U CN219503776U (en) | 2023-02-24 | 2023-02-24 | Positioning tool for machining end face of turbine shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219503776U true CN219503776U (en) | 2023-08-11 |
Family
ID=87549997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320301324.3U Active CN219503776U (en) | 2023-02-24 | 2023-02-24 | Positioning tool for machining end face of turbine shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219503776U (en) |
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2023
- 2023-02-24 CN CN202320301324.3U patent/CN219503776U/en active Active
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