Bending device for rotor locking plate of gas compressor of gas turbine

Abstract

The invention provides a gas turbine compressor rotor locking plate bending device. The gas turbine compressor rotor locking plate bending device comprises a support, a die fixing unit, a stamping bending unit, a first manual valve, a second manual valve and a gas source triple piece. The die positioning block is provided with a plurality of workpiece positioning and placing grooves, the sizes of the locking plates extending out of the die positioning block are uniform, the manual valve controls the air cylinder to drive the pressing block to conduct stamping so that the locking plates can be bent, and the problems that according to an original technological method, a small hammer is used for knocking a punch to bend the locking plates, operation difficulty is large, efficiency is low, and the bending sizes of the locking plates are difficult to unify are solved; the device can realize batch production, is high in efficiency, is simple to operate, and is convenient for personnel to use. The problem that the size of the manually bent locking plate is difficult to unify is solved, the operation difficulty is reduced, people are liberated from complex and heavy work, and the assembly efficiency of the compressor rotor is improved.

Description

Technical Field

[0001] The invention belongs to the field of compressor rotors, and in particular relates to a gas turbine compressor rotor locking piece bending device. Background Art

[0002] The compressor rotor is an important component of the gas turbine engine. The main function of the compressor rotor is to run at high speed under the drag of the compressor turbine blades. The air is continuously compressed by the blades step by step, providing the combustion chamber with compressed high-temperature, high-pressure gas. The high-density compressed air is pressed into the combustion chamber to mix with the fuel and promote more complete combustion. The compressor rotor uses a bent lock piece to lock the tenon root of the blade in the tenon groove of the drum. In the past, a small hammer was used to hit the punch to bend the lock piece, which was difficult to operate manually and inefficient. It was difficult to unify the bending size of a large number of lock pieces, which directly affected the assembly efficiency of the compressor rotor blades. Summary of the invention

[0003] The purpose of the present invention is to provide a gas turbine compressor rotor lock plate bending device to solve the problem that it is difficult to unify the size of the manually bent lock plates, reduce the difficulty of operation, free people from complex and heavy work, and improve the assembly efficiency of the compressor rotor.

[0004] A gas turbine compressor rotor lock plate bending device comprises a bracket, a mold fixing unit, a stamping and bending unit, a first manual valve, a second manual valve and an air source triplet;

[0005] The mold fixing unit includes a mold positioning block, a pressure cover, a cylinder A, a first connecting plate and a wide angle seat. The mold positioning block and the wide angle seat are fixed on the bracket, the first connecting plate is fixed to the upper end of the wide angle seat, the cylinder body of the cylinder A is fixed to the middle of the first connecting plate, the lower end of the double guide rod of the cylinder A is fixed to the pressure cover, the bottom of the pressure cover is a plane, and the pressure cover is pressed on the locking plate and the upper end of the mold positioning block;

[0006] The stamping and bending unit includes a pressing block, a connecting seat, a single slider guide, a narrow angle seat, a cylinder B and a second connecting plate; one side of the narrow angle seat is a short side, and the other side is a long side, the short side is installed on the bracket, the single slider guide is arranged on the long side, both ends of the connecting seat are fixed to the slider, the pressing block is fixed to the connecting seat, the second connecting plate is fixed to the bottom surface of the bracket platform, the cylinder body of the cylinder B is installed on the bottom surface of the second connecting plate, a through hole is arranged inside the second connecting plate, the guide rod of the cylinder passes through the second connecting plate, the end of the guide rod is connected to the middle lug of the connecting seat by a cylindrical pin, the pressing block is provided with a chamfered inclined surface, the chamfered inclined surface contacts the end of the locking plate extending out of the mold positioning block to guide the bending locking plate; the first manual valve, the second manual valve and the air source triplet are installed on the bracket, and the cylinder A, the first manual valve, the cylinder B, the second manual valve and the air source triplet are connected by a hose.

[0007] Furthermore, the mold positioning block is provided with a workpiece placement groove, in which a locking piece to be punched and bent is provided, and one end of the locking piece extends out of the mold positioning block.

[0008] Furthermore, the included angle between the workpiece placement groove of the mold positioning block and the positioning block edge is 75°, which is the same as the bending angle of the workpiece locking piece.

[0009] Furthermore, two wide-angle seats are provided and are symmetrically arranged on the bracket, and two ends of the first connecting plate are respectively fixed on the two wide-angle seats.

[0010] Furthermore, two narrow angle seats are provided, which are symmetrically arranged on the bracket and opposite to the two wide angle seats, and two single slider guide rails are respectively fixed on the long sides of the two narrow angle seats.

[0011] Furthermore, one end of the air source triplex is connected to the air source, and the other end is connected in series with the first manual valve and cylinder A through a hose, and in parallel with the second manual valve and cylinder B.

[0012] Furthermore, the first manual valve controls the telescopic reciprocating motion of the guide rod of the cylinder A, and the second manual valve controls the telescopic reciprocating motion of the guide rod of the cylinder B.

[0013] The beneficial effects of the present invention are as follows: the mold positioning block of the present invention is provided with a plurality of workpiece positioning and placing grooves, the sizes of the locking pieces extending out of the mold positioning block are uniform, and the locking pieces can be bent by controlling the cylinder with a manual valve to drive the pressing block to punch, thereby improving the original process method of using a small hammer to hit the punch to bend the locking piece, which is difficult to operate, inefficient, and difficult to unify the bending size of the locking piece. The present invention can achieve high efficiency in mass production, and is simple to operate and convenient for personnel to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0015] Figure 2 It is a front view of the present invention;

[0016] Figure 3 is a side view of the present invention;

[0017] Figure 4 A top view of the present invention;

[0018] FIG5(a) is a schematic diagram of a mold positioning block A, FIG5(b) is a schematic diagram of a mold positioning block B, and FIG5(c) is a schematic diagram of a mold positioning block C;

[0019] FIG6(a) is a schematic diagram of a wide angle seat A, FIG6(b) is a schematic diagram of a wide angle seat B, FIG6(c) is a schematic diagram of a wide angle seat C, and FIG6(d) is a schematic diagram of a wide angle seat D;

[0020] FIG7(a) is a schematic diagram of a narrow angle seat A, FIG7(b) is a schematic diagram of a narrow angle seat, FIG7(c) is a schematic diagram of a narrow angle seat C, and FIG7(d) is a schematic diagram of a narrow angle seat D.

[0021] FIG8( a ) is a schematic diagram A of a first connecting plate, and FIG8( b ) is a schematic diagram B of a first connecting plate;

[0022] FIG9(a) is a schematic diagram of a gland A, FIG9(b) is a schematic diagram of a gland B, and FIG9(c) is a schematic diagram of a gland C;

[0023] FIG10( a ) is a schematic diagram of a connection seat A, FIG10( b ) is a schematic diagram of a connection seat B, and FIG10( c ) is a schematic diagram of a connection seat C;

[0024] FIG11( a ) is a schematic diagram of a pressing block A, FIG11( b ) is a schematic diagram of a pressing block B, and FIG11( c ) is a schematic diagram of a pressing block C;

[0025] FIG12(a) is a schematic diagram A of a second connecting plate, FIG12(b) is a schematic diagram B of a second connecting plate, and FIG12(c) is a schematic diagram C of a second connecting plate;

[0026] Fig.13 It is a schematic diagram of the gas circuit of the device. DETAILED DESCRIPTION

[0027] The present invention is further described below in conjunction with the accompanying drawings.

[0028] Combination Figure 1-Figure 1 2. The mold positioning block 1 is connected to the bracket 2 by screws, the wide angle seat 3 is connected to the bracket 2 by screws, the first connecting plate 5 is connected to the wide angle seat 3 by screws, the cylinder G1 is connected to the first connecting plate 5 by screws, the cylinder G1 is connected to the pressure cover 6 by screws, the narrow angle seat 4 is connected to the bracket 2 by screws, the single slider guide 11 is connected to the narrow angle seat 4 by screws, the connecting seat 7 is connected to the single slider guide 11 by screws, a gasket is arranged between the pressing block 8 and the connecting seat 7 and fixed with screws, the second connecting plate 10 is connected to the bracket 2 by screws, the cylinder G2 is connected to the second connecting plate 10 by screws, the connecting seat 7 is connected to the cylinder G2 by a cylindrical pin, the first manual valve 12 is connected to the bracket 2 by screws, the second manual valve 13 is connected to the bracket 2 by screws, the air source triplet 14 is connected to the bracket 2 by screws, and the cylinder G1, the first manual valve 12, the cylinder G2, the second manual valve 13, and the air source triplet 14 are connected by a hose.

[0029] The following is a detailed description of the parts and the bending device gas circuit diagram. The specific method is as follows:

[0030] Combination Fig.13The initial state of the device is that the cylinder G1 retracts and the cylinder G2 extends. First, the locking piece is placed in the workpiece placement groove of the mold positioning block 1, and the first manual valve 12 is operated to control the cylinder G1 to extend and clamp the locking piece parts. The second manual valve 13 is operated to control the cylinder G2 to retract and punch the locking piece parts to bend. The second manual valve 13 is operated to control the cylinder G2 to extend back to the initial state. The first manual valve 12 is operated to control the cylinder G1 to retract back to the initial state, and finally the bent locking piece is taken out.

[0031] The working principle of the present invention is: the position of the part is fixed by the mold positioning block 1, and the first manual valve 12 is operated in turn to control the extension of the cylinder G1, driving the pressure cover 6 to clamp the locking piece part, and the second manual valve 13 is operated to control the retraction of the cylinder G2, driving the pressure block 8 to punch the locking piece and extend one end outside the mold positioning block 1 to complete the bending of the locking piece. The present invention can realize batch locking piece bending with uniform bending size, wherein the angle between the mold positioning block workpiece placement groove and the side of the positioning block is the same as the angle of the compressor rotor tenon groove, thereby ensuring the bending angle of the part.

[0032] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A gas turbine compressor rotor lock plate bending device, characterized in that: It comprises a bracket (2), a mold fixing unit, a stamping and bending unit, a first manual valve (12), a second manual valve (13) and an air source triplet (14); The mold fixing unit comprises a mold positioning block (1), a pressure cover (6), a cylinder A (G1), a first connecting plate (5) and a wide angle seat (3); the mold positioning block (1) and the wide angle seat (3) are fixed on a bracket (2); the first connecting plate (5) is fixed to the upper end of the wide angle seat; the cylinder body of the cylinder A (G1) is fixed to the middle of the first connecting plate (5); the lower end of the double guide rod of the cylinder A (G1) is fixed to the pressure cover (6); the bottom of the pressure cover (6) is a plane; the pressure cover (6) is pressed on the locking plate and the upper end of the mold positioning block (1); The stamping and bending unit comprises a pressing block (8), a connecting seat (7), a single slider guide rail (11), a narrow angle seat (4), a cylinder B (G2) and a second connecting plate (10); one side of the narrow angle seat (4) is a short side and the other side is a long side, the short side is mounted on the bracket (2), the single slider guide rail (11) is arranged on the long side, both ends of the connecting seat are fixed to the slider, the pressing block (8) is fixed to the connecting seat (7), the second connecting plate (10) is fixed to the bottom surface of the bracket platform, the cylinder body of the cylinder B (G2) is mounted on the bottom surface of the second connecting plate (10), and the second connecting plate (10) is provided with a through hole inside, the guide rod of the cylinder passes through the second connecting plate (10), the end of the guide rod is connected to the lug in the middle of the connecting seat (7) through a cylindrical pin, the pressing block is provided with a chamfered inclined surface, the chamfered inclined surface contacts the end of the locking plate extending outside the mold positioning block, and guides the bending of the locking plate; the first manual valve (12), the second manual valve (13) and the air source triplet (14) are installed on the bracket (2), and the cylinder A (G1), the first manual valve (12), the cylinder B (G2), the second manual valve (13) and the air source triplet (14) are connected by a hose.

2. A gas turbine compressor rotor lock plate bending device according to claim 1, characterized in that: The mold positioning block (1) is provided with a workpiece placement groove, in which a locking piece to be punched and bent is provided, and one end of the locking piece extends out of the mold positioning block (1).

3. A gas turbine compressor rotor lock plate bending device according to claim 2, characterized in that: The included angle between the workpiece placement groove of the mold positioning block and the edge of the positioning block is 75°, which is the same as the bending angle of the workpiece locking piece.

4. A gas turbine compressor rotor lock plate bending device according to claim 1, characterized in that: Two wide angle seats (3) are provided and are symmetrically arranged on the bracket (2), and two ends of the first connecting plate (5) are respectively fixed on the two wide angle seats (3).

5. A gas turbine compressor rotor lock plate bending device according to claim 4, characterized in that: The narrow angle seats (4) are provided with two, which are symmetrically arranged on the bracket (2) and opposite to the two wide angle seats (3), and the two single slider guide rails (11) are respectively fixed on the long sides of the two narrow angle seats (4).

6. A gas turbine compressor rotor lock plate bending device according to claim 1, characterized in that: One end of the air source triplex (14) is connected to the air source, and the other end is connected in series with the first manual valve (12) and the cylinder A (G1) through a hose, and in parallel with the second manual valve (13) and the cylinder B (G2).

7. A gas turbine compressor rotor lock plate bending device according to claim 1, characterized in that: The first manual valve (12) controls the telescopic reciprocating motion of the guide rod of the cylinder A (G1), and the second manual valve (13) controls the telescopic reciprocating motion of the guide rod of the cylinder B (G2).

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