Machining device for protective plate for aero-engine

Abstract

The utility model belongs to the field of aviation industry manufacturing, and relates to a machining device for a protective plate for an aero-engine. Comprising an upper die plate and a lower die plate, a material pressing plate is arranged between the upper die plate and the lower die plate, and the lower die plate and the material pressing plate are used for pressing and fixing the guard plate part. At least one punch and a plurality of guide columns are arranged on the pressing plate in a penetrating mode, the punch is fixedly connected with the upper die plate, and the punch is used for punching and punching the guard plate part. The upper die plate and the material pressing plate are connected through a plurality of compression springs, the compression springs are used for connecting the upper die plate and the material pressing plate, pressure is buffered, and the material pressing plate can tightly press the guard plate part without damaging the surface of the guard plate part. At least one excess material discharging hole is formed in the lower die plate, the punch is right opposite to the excess material discharging hole, a positioning rod is arranged on the lower die plate, and the positioning rod and the excess material discharging hole are collinearly arranged in the advancing direction of the guard plate part. According to the punching device, assembly line type efficient punching of the guard plate parts can be achieved, the punching efficiency of the guard plate parts is improved, and the punching quality is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the field of aviation industry manufacturing and relates to a processing device for a guard plate for an aviation engine. Background Art

[0002] Aircraft engines are highly complex and sophisticated thermal machines. As the heart of an aircraft, they are the driving force behind its flight. Aircraft engines have developed into mature products with extremely high reliability. Aircraft engines in use include turbojet / turbofan engines, turboshaft / turboprop engines, ramjet engines, piston engines, and other types. They are not only used as power for military and civilian aircraft, drones, and cruise missiles for various purposes, but also gas turbines derived from aircraft engines are widely used in ground power generation, marine power, mobile power stations, natural gas and oil pipeline pumping stations, and other fields.

[0003] With the development of the aviation industry, aircraft engines have more urgent requirements for parts delivery, including its delivery quality and production cycle, etc. Due to the special shape of aircraft engine guard plates and high requirements for hole position accuracy, in order to ensure quality in existing processing, it is often necessary to form and then manually drill the parts, resulting in unstable product quality, high failure rate, and long production cycle. Utility Model Content

[0004] In order to overcome the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a processing device for a guard plate for an aircraft engine. The utility model can realize efficient assembly line punching of guard plate parts, improve the punching efficiency of guard plate parts, and ensure the quality of punching.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] The utility model discloses a processing device for a guard plate for an aircraft engine, comprising an upper template and a lower template, a pressing plate is arranged between the upper template and the lower template, at least one punch and a plurality of guide columns are penetrated on the pressing plate, the punch is fixedly connected with the upper template, the upper template and the pressing plate are connected through a plurality of compression springs, at least one residual material discharge hole is opened on the lower template, the punch is directly opposite to the residual material discharge hole, a positioning rod is arranged on the lower template, and the positioning rod and the residual material discharge hole are both arranged in a colinear manner along the forward direction of the guard plate parts.

[0007] Furthermore, a V-shaped groove is provided on the lower template, a V-shaped protrusion adapted to the V-shaped groove is provided on the pressing plate, the residual material discharge hole and the positioning rod are both located at the bottom of the V-shaped groove, and a positioning hole is provided on the pressing plate opposite to the positioning rod, and the positioning hole is located on the top of the V-shaped protrusion.

[0008] Furthermore, the lower template is located on the base, a positioning spring is embedded in the base, and the positioning spring is connected to the positioning rod.

[0009] Furthermore, a positioning rod mounting hole is opened on the lower template, a positioning rod is arranged in the positioning rod mounting hole, an annular boss is arranged on the positioning rod, and a shrinkage is arranged on the positioning rod mounting hole.

[0010] Furthermore, a material discharge hole is provided on the base, and the material discharge hole is connected with the residual material discharge hole.

[0011] Furthermore, a plurality of fixing bolts are provided on the pressing plate, the fixing bolts are threadedly engaged with the pressing plate, the fixing bolts are connected to the compression spring, the compression spring is movably connected to the upper template, and the fixing bolts are arranged on both sides of the V-shaped raised portion.

[0012] Furthermore, the fixing bolt is engaged with the pressing plate through threads, the bolt head of the fixing bolt is located between the pressing plate and the lower template, and a bolt head placement groove is provided on the lower template.

[0013] Furthermore, a positioning hole for penetrating the positioning rod is provided on the pressing plate.

[0014] Furthermore, a machine tool connection hole is provided on the upper template.

[0015] Furthermore, the guide column is fixedly connected to the upper template, and a guide hole is opened on the lower template, and the guide column is directly opposite to the guide hole.

[0016] Compared with the prior art, the utility model has the following beneficial effects:

[0017] The utility model comprises an upper template, a pressing plate and a lower template, wherein the lower template and the pressing plate are used to press and fix the guard plate parts. At least one punch and a plurality of guide posts are provided on the pressing plate, wherein the punch is used to punch and punch the guard plate parts, and the guide posts are used to guide the pressing plate, thereby ensuring the stability of the pressing plate during operation and the punching quality. The punch is fixedly connected to the upper template, and the upper template is used to drive the punch to punch. The upper template and the pressing plate are connected through a plurality of compression springs, wherein the compression springs are used to connect the upper template and the pressing plate, and buffer the pressure between the upper template and the pressing plate, so that the pressing plate can press the guard plate parts without damaging the surface of the guard plate parts. At least one residual material discharge hole is provided on the lower template, and the residual material discharge hole is used to discharge the residual material generated during the punching process. A positioning rod is provided on the lower template, and the positioning rod and the residual material discharge hole are both arranged in a colinear manner along the forward direction of the guard plate parts. The positioning rod passes through the punched hole of the guard plate parts to position the guard plate parts, thereby ensuring the stability of the guard plate parts during the subsequent punching process. The utility model can realize assembly line-type efficient punching of guard plate parts, improve the punching efficiency of guard plate parts and ensure the quality of punching. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a three-dimensional cross-sectional view of the utility model;

[0020] Figure 3 This is a diagram of the upper template downward state of the utility model.

[0021] Figure 4 It is a schematic diagram of the punching operation of the utility model;

[0022] Figure 5 This is a state diagram for a punching operation;

[0023] Figure 6 This is the state diagram for another punching operation.

[0024] Figure 7 This is a state diagram of the punching operation of the utility model.

[0025] Among them: 1. Upper template; 2. Punch; 3. Pressing plate; 4. Guide column; 5. Compression spring; 6. Lower template; 7. V-shaped groove; 8. Residual material discharge hole; 9. V-shaped protrusion; 10. Positioning rod; 11. Guide hole; 12. Positioning hole; 13. Base; 14. Fixing bolt; 15. Feeding hole; 16. Bolt head placement groove; 17. Guard plate parts; 18. Positioning spring; 19. Machine tool connection hole. DETAILED DESCRIPTION

[0026] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0027] It should be noted that the terms "first", "second", etc. in the specification and claims of the utility model and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the utility model described here can be implemented in an order other than those illustrated or described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0028] The utility model is further described in detail below with reference to the accompanying drawings:

[0029] See also Figure 1 and Figure 2 The utility model discloses a processing device for a guard plate for an aircraft engine, including an upper template 1 and a lower template 6, a pressing plate 3 is provided between the upper template 1 and the lower template 6, a guard plate part 17 is placed between the lower template 6 and the pressing plate 3, and the upper template 1 presses and fixes the guard plate part 17 through the pressing plate 3. At least one punch 2 and a plurality of guide columns 4 are provided on the pressing plate 3, the punch 2 is used for punching and punching the guard plate part 17, and the guide columns 4 are used for guiding the pressing plate 3 to ensure the stability of the pressing plate 3 during operation. The punch 2 is fixedly connected to the upper template 1, and the upper template 1 is used to drive the punch 2 to punch. The upper template 1 is connected to the pressing plate 3 through a plurality of compression springs 5, and the compression springs 5 ​​are used to connect the upper template 1 and the pressing plate 3, buffer the pressure between the upper template 1 and the pressing plate 3, so that the pressing plate 3 can press the guard plate part 17 without damaging the surface of the guard plate part 17. At least one excess material discharge hole 8 is provided on the lower template 6, and the punch 2 is directly opposite to the excess material discharge hole 8, and the excess material discharge hole 8 is used to discharge the excess material generated during the punching process. A positioning rod 10 is provided on the lower template 6, and the positioning rod 10 and the excess material discharge hole 8 are both arranged in a colinear manner along the forward direction of the guard plate part 17. The positioning rod 10 passes through the punched hole of the guard plate part 17 to position the guard plate part 17, thereby ensuring the stability of the guard plate part 17 during the subsequent punching process. The utility model can realize the assembly line efficient punching of the guard plate part 17, improve the punching efficiency of the guard plate part, and ensure the quality of the punching.

[0030] See also Figure 1 and Figure 2 In another feasible embodiment of the utility model, the following is adaptively modified according to the situation. It includes an upper template 1 and a lower template 6, a pressure plate 3 is arranged between the upper template 1 and the lower template 6, at least one punch 2 and a plurality of guide columns 4 are pierced on the pressure plate 3, the punch 2 is fixedly connected to the upper template 1, the upper template 1 and the pressure plate 3 are connected by a plurality of compression springs 5, at least one residual material discharge hole 8 is opened on the lower template 6, the punch 2 is directly opposite to the residual material discharge hole 8, and a positioning rod 10 is arranged on the lower template 6, and the positioning rod 10 and the residual material discharge hole 8 are both arranged in line with the forward direction of the guard plate part 17.

[0031] When in use, lift the press plate 3 through the upper template 1 and place the guard plate part 17 at the set position of the lower template 6. Figure 5The upper mold plate 1 is pressed down, and the upper mold plate 1 drives the pressing plate 3 to move downward along the guide column 4 and press the guard plate part 17. The upper mold plate 1 continues to be pressed down, and the upper mold plate 1 drives the punch 2 to punch the guard plate part 17. The residual material produced by the punching is discharged through the residual material discharge hole 8. During this period, the compression spring 5 is compressed. The compression spring 5 is used to connect the upper mold plate 1 and the pressing plate 3 to buffer the pressure between the upper mold plate 1 and the pressing plate 3, so that the pressing plate 3 can press the guard plate part 17 without damaging the surface of the guard plate part 17. See Figure 3 and Figure 4 After the first punching is completed, the guard plate part 17 is moved forward so that the positioning rod 10 is inserted into the completed hole and the next punching is performed. Figure 6 and Figure 7 The subsequent punching process is consistent with the above process until the punching of the guard plate part 17 is completed. The utility model can realize the assembly line type efficient punching of the guard plate part 17, improve the punching efficiency of the guard plate part, and ensure the quality of the punching.

[0032] Embodiment 1:

[0033] See also Figure 1 and Figure 2 The present embodiment discloses a processing device for a guard plate for an aircraft engine, comprising an upper template 1 and a lower template 6, a pressing plate 3 is provided between the upper template 1 and the lower template 6, at least one punch 2 and a plurality of guide columns 4 are pierced on the pressing plate 3, the punch 2 is fixedly connected to the upper template 1, the upper template 1 and the pressing plate 3 are connected by a plurality of compression springs 5, at least one excess material discharge hole 8 is opened on the lower template 6, the punch 2 is directly opposite to the excess material discharge hole 8, a positioning rod 10 is provided on the lower template 6, and the positioning rod 10 and the excess material discharge hole 8 are both arranged in a colinear manner along the forward direction of the guard plate part 17.

[0034] Preferably, see Figure 1 The lower template 6 is provided with a V-shaped groove 7, the press plate 3 is provided with a V-shaped protrusion 9 adapted to the V-shaped groove 7, the excess material discharge hole 8 and the positioning rod 10 are both located at the bottom of the V-shaped groove 7, the press plate 3 is provided with a positioning hole 12 facing the positioning rod 10, and the positioning hole 12 is located at the top of the V-shaped protrusion 9. The V-shaped groove 7 and the V-shaped protrusion 9 are arranged for the V-shaped guard plate part 17, and the contact surface of the V-shaped groove 7 and the V-shaped protrusion 9 with the V-shaped guard plate part 17 is in accordance with the shape, which is beneficial to the stability of the V-shaped guard plate part 17 during the punching process and ensures the punching quality.

[0035] Preferably, see Figure 2 The lower template 6 is located on the base 13, and the base 13 is embedded with a positioning spring 18, which is connected to the positioning rod 10. When the positioning rod 10 is pressed down, the positioning rod 10 can compress the positioning spring 18. After the positioning rod 10 is aligned with the completed punching hole, the positioning spring 18 is conducive to the rapid reset of the positioning rod 10.

[0036] Preferably, see Figure 2 The lower template 6 is provided with a positioning rod mounting hole, in which a positioning rod 10 is arranged, and an annular boss is arranged on the positioning rod 10, and a shrinkage is arranged on the positioning rod mounting hole. The annular boss cooperates with the shrinkage to limit the upward position of the positioning rod 10, so as to prevent the positioning rod 10 from sliding off the lower template 6.

[0037] Embodiment 2:

[0038] See also Figure 1 and Figure 2 The present embodiment discloses a processing device for a guard plate for an aircraft engine, comprising an upper template 1 and a lower template 6, a pressing plate 3 is provided between the upper template 1 and the lower template 6, at least one punch 2 and a plurality of guide columns 4 are pierced on the pressing plate 3, the punch 2 is fixedly connected to the upper template 1, the upper template 1 and the pressing plate 3 are connected by a plurality of compression springs 5, at least one excess material discharge hole 8 is opened on the lower template 6, the punch 2 is directly opposite to the excess material discharge hole 8, a positioning rod 10 is provided on the lower template 6, and the positioning rod 10 and the excess material discharge hole 8 are both arranged in a colinear manner along the forward direction of the guard plate part 17.

[0039] Preferably, see Figure 2 The base 13 is provided with a feed hole 15, which is connected to the residual material discharge hole 8. The feed hole 15 is used to discharge the residual material generated during the punching process.

[0040] Preferably, the diameter of the discharge hole 15 is larger than the diameter of the residual material discharge hole 8 to facilitate the discharge of the residual material.

[0041] Embodiment three:

[0042] See also Figure 1 and Figure 2 The present embodiment discloses a processing device for a guard plate for an aircraft engine, comprising an upper template 1 and a lower template 6, a pressing plate 3 is provided between the upper template 1 and the lower template 6, at least one punch 2 and a plurality of guide columns 4 are pierced on the pressing plate 3, the punch 2 is fixedly connected to the upper template 1, the upper template 1 and the pressing plate 3 are connected by a plurality of compression springs 5, at least one excess material discharge hole 8 is opened on the lower template 6, the punch 2 is directly opposite to the excess material discharge hole 8, a positioning rod 10 is provided on the lower template 6, and the positioning rod 10 and the excess material discharge hole 8 are both arranged in a colinear manner along the forward direction of the guard plate part 17.

[0043] Preferably, see Figure 1, a plurality of fixing bolts 14 are arranged on the pressing plate 3, the fixing bolts 14 are engaged with the pressing plate 3 through threads, the fixing bolts 14 are connected to the compression spring 5, the compression spring 5 is movably connected to the upper template 1, and the length of the compression spring 5 between the upper template 1 and the pressing plate 3 can be adjusted by rotating the fixing bolts 14. The fixing bolts 14 are arranged on both sides of the V-shaped protrusion 9, that is, the compression spring 5 is arranged on both sides of the V-shaped protrusion 9, which enhances the stability of the compression spring 5 during the buffering process.

[0044] Preferably, see Figure 1 The fixing bolts 14 are symmetrically arranged on both sides of the V-shaped protrusion 9, which further enhances the stability of the compression spring 5 during the buffering process.

[0045] Preferably, the bolt head of the fixing bolt 14 is located between the pressing plate 3 and the lower mold plate 6, and a bolt head placement groove 16 is provided on the lower mold plate 6, see Figure 5 .

[0046] Preferably, see Figure 2 The pressing plate 3 is provided with a positioning hole 12 for penetrating the positioning rod 10 .

[0047] Embodiment 4:

[0048] See also Figure 1 and Figure 2 The present embodiment discloses a processing device for a guard plate for an aircraft engine, comprising an upper template 1 and a lower template 6, a pressing plate 3 is provided between the upper template 1 and the lower template 6, at least one punch 2 and a plurality of guide columns 4 are pierced on the pressing plate 3, the punch 2 is fixedly connected to the upper template 1, the upper template 1 and the pressing plate 3 are connected by a plurality of compression springs 5, at least one excess material discharge hole 8 is opened on the lower template 6, the punch 2 is directly opposite to the excess material discharge hole 8, a positioning rod 10 is provided on the lower template 6, and the positioning rod 10 and the excess material discharge hole 8 are both arranged in a colinear manner along the forward direction of the guard plate part 17.

[0049] Preferably, see Figure 2 The upper template 1 is provided with a machine tool connection hole 19, which is convenient for connecting the upper template 1 with the machine tool.

[0050] Embodiment five:

[0051] See also Figure 1 and Figure 2The present embodiment discloses a processing device for a guard plate for an aircraft engine, comprising an upper template 1 and a lower template 6, a pressing plate 3 is provided between the upper template 1 and the lower template 6, at least one punch 2 and a plurality of guide columns 4 are pierced on the pressing plate 3, the punch 2 is fixedly connected to the upper template 1, the upper template 1 and the pressing plate 3 are connected by a plurality of compression springs 5, at least one excess material discharge hole 8 is opened on the lower template 6, the punch 2 is directly opposite to the excess material discharge hole 8, a positioning rod 10 is provided on the lower template 6, and the positioning rod 10 and the excess material discharge hole 8 are both arranged in a colinear manner along the forward direction of the guard plate part 17.

[0052] Preferably, the guide column 4 is fixedly connected to the upper template 1 , and a guide hole 11 is opened on the lower template 6 , and the guide column 4 is directly opposite to the guide hole 11 .

[0053] Preferably, the guide column 4 can also be fixedly connected to the lower template 6 , and a guide hole 11 is opened on the upper template 1 .

[0054] Embodiment six:

[0055] See also Figure 1 and Figure 2 This embodiment discloses a processing device for a guard plate for an aircraft engine, including an upper and lower die set. The lower die set is responsible for placing and positioning the guard plate and discharging the residual material. The lower die set includes a press plate 3 and a lower template 6, a V-shaped protrusion 9 on the press plate 3, and a V-shaped groove 7, a positioning rod 10 and a residual material discharge hole 8 provided on the lower template 6. The upper die set is responsible for fastening the guard plate and cutting the residual material. The upper die set includes an upper template 1 and a plurality of punches 2. One punching operation can complete the processing of a plurality of holes.

[0056] The punching device can significantly improve the processing efficiency of the holes of the guard plate part 17, and the quality pass rate is increased by 2 times compared with the traditional device.

[0057] According to the above structure, the utility model discloses a punching method for a guard plate for an aero-engine, which is specifically as follows:

[0058] S1. Place the guard plate part 17 in the V-groove 7 of the lower template and close to the positioning rod 10, see Figure 5 .

[0059] S2. Press the upper template 1 downward, the upper template 1 is guided downward by the guide column 4, and the punch 2 cuts off the guard plate part 17 to make a hole. The compression spring 5 provides a buffer force so that the pressing plate 3 can press the part without damaging the surface of the part.

[0060] S3. Lift the upper template 1, move the guard plate part 17 that has been processed in S2 forward for further processing, pass the last processed hole through the positioning rod 10 of the lower template 6, and then repeat the operation of S2, see Figure 6 .

[0061] S4. Repeat the operation of S3 until the parts are processed.

[0062] The above content is only for explaining the technical idea of ​​the utility model and cannot be used to limit the protection scope of the utility model. Any changes made on the basis of the technical solution in accordance with the technical idea proposed by the utility model shall fall within the protection scope of the claims of the utility model.

Claims

1. A processing device for a guard plate for an aircraft engine, characterized in that: The invention comprises an upper template (1) and a lower template (6), a pressing plate (3) is arranged between the upper template (1) and the lower template (6), at least one punch (2) and a plurality of guide columns (4) are arranged on the pressing plate (3), the punch (2) is fixedly connected to the upper template (1), the upper template (1) and the pressing plate (3) are connected via a plurality of compression springs (5), at least one residual material discharge hole (8) is opened on the lower template (6), the punch (2) is directly opposite to the residual material discharge hole (8), a positioning rod (10) is arranged on the lower template (6), and the positioning rod (10) and the residual material discharge hole (8) are both arranged in a colinear manner along the forward direction of the guard plate part (17).

2. The processing device for an aircraft engine guard plate according to claim 1, characterized in that: The lower template (6) is provided with a V-shaped groove (7), the pressing plate (3) is provided with a V-shaped protrusion (9) adapted to the V-shaped groove (7), the excess material discharge hole (8) and the positioning rod (10) are both located at the bottom of the V-shaped groove (7), the pressing plate (3) is provided with a positioning hole (12) directly opposite to the positioning rod (10), and the positioning hole (12) is located at the top of the V-shaped protrusion (9).

3. The processing device for an aircraft engine guard plate according to claim 2, characterized in that: The lower template (6) is located on a base (13), a positioning spring (18) is embedded in the base (13), and the positioning spring (18) is connected to the positioning rod (10).

4. A processing device for an aircraft engine guard plate according to claim 3, characterized in that: The lower template (6) is provided with a positioning rod installation hole, a positioning rod (10) is arranged in the positioning rod installation hole, an annular boss is arranged on the positioning rod (10), and a shrinkage is arranged on the positioning rod installation hole.

5. The processing device for an aircraft engine guard plate according to claim 3, characterized in that: The base (13) is provided with a material discharge hole (15), and the material discharge hole (15) is connected with the residual material discharge hole (8).

6. The processing device for an aircraft engine guard plate according to claim 2, characterized in that: A plurality of fixing bolts (14) are provided on the pressing plate (3), the fixing bolts (14) are threadedly engaged with the pressing plate (3), the fixing bolts (14) are connected to the compression spring (5), the compression spring (5) is movably connected to the upper template (1), and the fixing bolts (14) are arranged on both sides of the V-shaped protrusion (9).

7. A processing device for an aircraft engine guard plate according to claim 6, characterized in that: The fixing bolt (14) is threadedly engaged with the pressing plate (3); the bolt head of the fixing bolt (14) is located between the pressing plate (3) and the lower template (6); and a bolt head placement groove (16) is provided on the lower template (6).

8. The processing device for an aircraft engine guard plate according to claim 7, characterized in that: The pressing plate (3) is provided with a positioning hole (12) for penetrating the positioning rod (10).

9. The processing device for an aircraft engine guard plate according to claim 6, characterized in that: The upper template (1) is provided with a machine tool connection hole (19).

10. The processing device for an aircraft engine guard plate according to claim 1, characterized in that: The guide column (4) is fixedly connected to the upper template (1), and a guide hole (11) is provided on the lower template (6), and the guide column (4) is directly opposite to the guide hole (11).

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