CN210046350U

CN210046350U - Positioning tool for boring processing of compressor blade

Info

Publication number: CN210046350U
Application number: CN201920879191.1U
Authority: CN
Inventors: 姜秀英; 李辉; 张学泳; 孙盛丽; 魏成双; 岳云淼; 叶云青; 刘剑
Original assignee: Harbin Turbine Co Ltd
Current assignee: Harbin Turbine Co Ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-02-11
Anticipated expiration: 2029-06-12

Abstract

A positioning tool for boring a compressor blade relates to a positioning tool for a blade, and the utility model discloses a positioning tool for the blade, which solves the problems of unreliable positioning and low processing precision when processing a blade mounting hole, the utility model discloses a vertical plate, a bottom plate, two pressing plates and a connecting piece, wherein the bottom plate is horizontally arranged, the lower end of the vertical plate is fixedly connected with the lower end of the bottom plate, and the central line of the vertical plate along the length thereof is vertical to the central line of the bottom plate along the length thereof; the bottom plate is a rectangular plate body, an upward convex inclined plane is arranged in the middle of the bottom plate, the blades are arranged on the inclined plane, the two pressing plates are oppositely arranged on the upper portions of the two sides of the bottom plate and are fixedly connected with the bottom plate through connecting pieces, and the inward ends of the two pressing plates are respectively inserted into hollow grooves of the blades. The utility model is used for processing of compressor blade. The utility model discloses the clamping blade is firm reliable, improves the machining precision of blade mounting hole.

Description

Positioning tool for boring processing of compressor blade

Technical Field

The utility model relates to a positioning tool of blade, concretely relates to positioning tool for compressor blade bore hole processing.

Background

The blade of compressor unit is the hollow blade with the inclined plane, and the one end design of blade has 5 mounting holes that the diameter is 5mm, and the former processing mode of this mounting hole is: the position line of a hole is drawn by a fitter, and then the mounting hole is drilled according to the line.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a when solving processing blade mounting hole, to the unreliable, the low problem of machining precision of blade location, and then provide a positioning tool for the processing of blade boring hole.

The utility model discloses a solve the technical scheme that above-mentioned problem was taken and be:

the utility model comprises a vertical plate, a bottom plate, two pressing plates and a connecting piece, wherein the bottom plate is horizontally arranged, the lower end of the vertical plate is fixedly connected with the lower end of the bottom plate, and the central line of the vertical plate along the length thereof is vertical to the central line of the bottom plate along the length thereof; the bottom plate is a rectangular plate body, an upward convex inclined plane is arranged in the middle of the bottom plate, the blades are arranged on the inclined plane, the two pressing plates are oppositely arranged on the upper portions of the two sides of the bottom plate and are fixedly connected with the bottom plate through connecting pieces, and the inward ends of the two pressing plates are respectively inserted into hollow grooves of the blades.

The utility model has the advantages that:

install the blade on the inclined plane of bottom plate, firmly compress tightly the blade through two clamp plates, with the mounting hole location of blade at horizontal position, carry out the processing of blade mounting hole through five locating holes of riser, through the utility model discloses a positioning tool is firm reliable to the blade clamping, improves the machining precision 30% -50% of blade mounting hole.

Drawings

FIG. 1 is a schematic view of the overall assembly of the present invention; FIG. 2 is a left side view of FIG. 1;

FIG. 3 is a schematic view of the structure of the base plate; FIG. 4 is a left side view of FIG. 3;

FIG. 5 is a top view of FIG. 3;

FIG. 6 is a schematic structural view of a riser; FIG. 7 is a left side view of FIG. 6;

FIG. 8 is a schematic view of the construction of the platen; fig. 9 is a top view of fig. 8.

Detailed Description

The first embodiment is as follows: the embodiment is described with reference to fig. 1 and fig. 2, and the positioning tool for boring the blade includes a vertical plate 1, a bottom plate 2, two pressing plates 3 and a connecting member 4, wherein the bottom plate 2 is horizontally disposed, the lower end of the vertical plate 1 is fixedly connected with the lower end of the bottom plate 2, and the center line of the vertical plate 1 along the length thereof is perpendicular to the center line of the bottom plate 2 along the length thereof; the base plate 2 is a rectangular plate body, an upward convex inclined plane 2-1 is arranged in the middle of the base plate 2, the blades 5 are arranged on the inclined plane 2-1, the two pressing plates 3 are oppositely arranged on the upper parts of the two sides of the base plate 2 and are fixedly connected with the base plate 2 through the connecting pieces 4, and the inward ends of the two pressing plates 3 are respectively inserted into the hollow cavities 5-1 of the blades 5.

The blades are hollow blades with inclined planes, one end of each blade is provided with 5 mounting holes with the diameter of 5 phi, the inclined planes 2-1 of the bottom plate 2 are matched with the inclined planes of the blades, the blades are tightly pressed and fixed on the inclined planes 2-1 through two pressing plates, and the positioning is reliable and firm.

The second embodiment is as follows: the present embodiment is described with reference to fig. 3 to 5, and two first threaded holes 2-2 are respectively formed at two ends of the bottom plate 2 in the present embodiment; the lower end of the middle part of the bottom plate 2 is provided with two second threaded holes 2-3.

The two second threaded holes 2-3 are used for connecting the vertical plate 1; the two first threaded holes 2-2 positioned on the inner side of the bottom plate 2 are used for being connected with the pressing plate 3, and the two first threaded holes 2-2 positioned on the outer side of the bottom plate 2 are used for being connected with the adjusting support column 6. Other components and connections are the same as those in the first embodiment.

The third concrete implementation mode: the present embodiment is described with reference to fig. 3 to 5, in which the length of the bottom plate 2 is 200mm, the width thereof is 85mm, and the length of the inclined surface 2-1 is 80mm, and the width thereof is 60 mm. Other components are connected in the same manner as in the first or second embodiment.

The fourth concrete implementation mode: the embodiment is described with reference to fig. 3 to 5, an included angle a between the inclined surface 2-1 and the horizontal plane is 4 °, and the 4 ° inclined surface 2-1 is consistent with the angle of the inclined surface of the blade, so that the blade is positioned on the inclined surface 2-1, the blade connecting hole can be positioned at the horizontal position, and the requirement of machining precision is ensured. Other components and connection relationships are the same as those in the first, second or third embodiment.

The fifth concrete implementation mode: the embodiment is described with reference to fig. 6 and 7, in which the vertical plate 1 is a rectangular plate, five positioning holes 1-1 are formed in the upper portion of the vertical plate 1, two connecting holes 1-2 are formed in the lower portion of the vertical plate 1, and a connecting screw passes through the two connecting holes 1-2 and is then fixedly connected to the bottom plate 2. Other components and connections are the same as those of the first, second, third or fourth embodiments.

The sixth specific implementation mode: the present embodiment is described with reference to fig. 6 and 7, and the diameter of each positioning hole 1-1 in the present embodiment is 9 mm. The positioning hole 1-1 is used for processing the mounting hole of the blade to provide positioning, and the drill bit bores the five mounting holes of the blade through the five positioning holes 1-1. Other components and connection relationships are the same as those in the first, second, third, fourth or fifth embodiment.

The seventh embodiment: the embodiment is described with reference to fig. 8 and 9, in the embodiment, the pressing plate 3 is a rectangular plate, the upper surface of the pressing plate 3 is provided with a through hole 3-1, the connecting member 5 is a stud 4-1 and a nut 4-2, and the stud 4-1 sequentially passes through the through hole 3-1 and a first threaded hole 2-2 located on the inner side of the bottom plate 2 and is locked and fixed by the nut 5-2. Other components and connection relationships are the same as those in the first, second, third, fourth, fifth or sixth embodiment.

The specific implementation mode is eight: referring to fig. 8 and 9, the lower end surface of the pressing plate 3 of the present embodiment is provided with an inclined surface 3-2, and the inclined surface 3-2 forms an angle of 4 ° with the horizontal plane. The 4-degree inclined plane 3-2 is consistent with the inclined plane angle of the blade, can be better attached to the inclined plane of the blade, and is firmly positioned. Other components and connection relations are the same as those of the first, second, third, fourth, fifth, sixth or seventh embodiment.

The specific implementation method nine: referring to fig. 8 and 9, the present embodiment is described, in which one end of the pressing plate 3 is gradually tapered from top to bottom, the length of the pressing plate 3 is 100mm, and the width is 25 mm. So set up, with clamp plate 3 one end cartridge that reduces gradually in the cavity of blade 5 and compress tightly blade 5, can reduce clamp plate 3 when the clamping with the area of contact on workpiece surface, avoid influencing the clamping smoothness because of the clamp plate machining flatness is not good. Other components and connection relationships are the same as those of the first, second, third, fourth, fifth, sixth, seventh or eighth embodiment.

The detailed implementation mode is ten: the embodiment is described with reference to fig. 2, the positioning tool further includes two adjusting support columns 6, the two adjusting support columns 6 are respectively disposed on the outer sides of the two studs 4-1, the lower end of each adjusting support column 6 is provided with an external thread, the upper end of each adjusting support column 6 contacts with the lower bottom surface of the pressing plate 3, and the lower end of each adjusting support column 6 is in threaded connection with the second threaded hole 2-3 located on the outer side of the bottom plate 2. So configured, the adjusting support column 6 is used to support the press plate 3. The height of the lower ends of the adjusting support column 6 and the stud bolt 4-1 can be adjusted through threaded connection, the height of blades which are not in the same size can be adjusted, and the use is flexible and convenient. Other components and connection relations are the same as those of the first, second, third, fourth, fifth, sixth, seventh, eighth or ninth embodiment.

Principle of operation

The method comprises the steps of arranging a bottom plate 2 level gauge on a processing table, enabling a vertical plate 1 to penetrate through two connecting holes 1-2 through connecting screws to tightly clamp the vertical plate 1 on the bottom plate 2, enabling a blade 5 to be processed to be installed on an inclined surface 2-1 of the bottom plate 2, enabling one end of each of two pressure plates 3 which is gradually reduced to be tightly pressed in a cavity of the blade 5, enabling the other end of each pressure plate 3 to be fixedly connected with the bottom plate 2 through a double-end stud 4-1 and a nut 4-2, firmly pressing the blade 5, positioning an installation hole of the blade 5 in a horizontal position after clamping and positioning, and enabling a drill bit to conduct boring processing on the blade installation hole through five.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment without departing from the technical scope of the present invention, but all the modifications, equivalent substitutions, and improvements made to the above embodiments within the spirit and principle of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. A positioning tool for boring a compressor blade, characterized in that: the novel vertical plate comprises a vertical plate (1), a bottom plate (2), two pressing plates (3) and a connecting piece (4), wherein the bottom plate (2) is horizontally placed, the lower end of the vertical plate (1) is fixedly connected with the lower end of the bottom plate (2), the bottom plate (2) is a rectangular plate body, an upward convex inclined plane (2-1) is arranged in the middle of the bottom plate (2), blades (5) are arranged on the inclined plane (2-1), the two pressing plates (3) are oppositely arranged on the upper portions of two sides of the bottom plate (2) and are fixedly connected with the bottom plate (2) through the connecting piece (4), and the inward ends of the two pressing plates (3) are respectively inserted into hollow cavities (5-1) of the blades (5).

2. The positioning tool for compressor blade boring machining according to claim 1, wherein: two first threaded holes (2-2) are respectively formed in two ends of the bottom plate (2); the lower end of the middle part of the bottom plate (2) is provided with two second threaded holes (2-3).

3. A positioning tool for compressor blade boring machining according to claim 2, wherein: the length of bottom plate (2) is 200mm, and the width is 85mm, the length of inclined plane (2-1) is 80mm, and the width is 60 mm.

4. A positioning tool for compressor blade boring machining according to claim 2 or 3, characterized in that: the included angle between the inclined plane (2-1) and the horizontal plane is 4 degrees.

5. The positioning tool for compressor blade boring machining according to claim 1, wherein: the vertical plate (1) is a rectangular plate body, five positioning holes (1-1) are formed in the upper portion of the vertical plate (1), two connecting holes (1-2) are formed in the lower portion of the vertical plate (1), and connecting screws penetrate through the two connecting holes (1-2) and then are fixedly connected with the bottom plate (2).

6. The positioning tool for compressor blade boring machining according to claim 5, wherein: the diameter of each positioning hole (1-1) is 9 mm.

7. The positioning tool for compressor blade boring machining according to claim 1, wherein: the pressing plate (3) is a rectangular plate body, a through hole (3-1) is formed in the upper surface of the pressing plate (3), the connecting piece (4) is composed of a double-end stud (4-1) and a nut (4-2), and the double-end stud (4-1) penetrates through the through hole (3-1) and a first threaded hole (2-2) located in the inner side of the bottom plate (2) in sequence and then is locked and fixed through the nut (4-2).

8. The positioning tool for compressor blade boring machining according to claim 7, wherein: the lower end face of the pressing plate (3) is provided with an inclined plane, and the included angle between the inclined plane (3-2) and the horizontal plane is 4 degrees.

9. A positioning tool for compressor blade boring machining according to claim 7 or 8, characterized in that: one end of the pressing plate (3) is gradually reduced from top to bottom, the length of the pressing plate (3) is 100mm, and the width of the pressing plate is 25 mm.

10. The positioning tool for compressor blade boring machining according to claim 1, wherein: the positioning tool further comprises two adjusting support columns (6), the two adjusting support columns (6) are respectively arranged on the outer sides of the two double-end studs (4-1), an external thread is arranged at the lower end of each adjusting support column (6), the upper ends of the adjusting support columns (6) are in contact with the lower bottom surface of the pressing plate (3), and the lower ends of the adjusting support columns (6) are in threaded connection with second threaded holes (2-3) located on the outer side of the base plate (2).