Integral radial diffuser with screw seat and machining equipment thereof

Abstract

The application provides a whole radial diffuser with a screw seat and a processing equipment thereof, and relates to the technical field of an aero-engine.The application comprises an impeller, the impeller is composed of a front cover, a screw seat body, blades and a rear cover, the screw seat body is circumferentially distributed on the outer surface of the front cover, and the blades are circumferentially distributed between the front cover and the rear cover.The application is provided with a collecting device, when the processing equipment is used, the collecting box is fixed on the outside of the support and below the processed workpiece, the cooling liquid waste and metal scraps generated in the processing process flow into the inside of the collecting box along with the cooling liquid waste, the metal scraps in the waste liquid are filtered through the filter screen on the filter screen frame, the cooling liquid and the metal scraps are prevented from entering the processing equipment, and the collecting box is removed to facilitate the cleaning of the metal scraps and improve the convenience of the processing equipment in use.

Description

Technical Field

[0001] This invention relates to the field of aero-engine technology, and in particular to an integral radial diffuser with a screw seat and its processing equipment. Background Technology

[0002] With the rapid development of aero-engine technology and its application, the structural design of various components has been continuously improved and perfected. Radial diffusers have always been a crucial component in aero-engines, used to decelerate and pressurize the high-speed airflow at the compressor outlet, reduce the total pressure loss in the combustion chamber, stabilize combustion, and thus improve engine efficiency.

[0003] When machining a radial diffuser, a milling machine is required to perform fine machining on the diffuser blades and grooves. During the machining process, coolant needs to be continuously sprayed onto the milling cutter and the workpiece surface to wash away metal debris from the workpiece surface and cool the milling cutter. However, the coolant can carry metal debris into the machining equipment, and the metal debris tends to remain in the corners inside the machining equipment, making it inconvenient to clean the machining equipment. Summary of the Invention

[0004] The purpose of this invention is to solve the problem that during the processing of radial diffusers by machining equipment, it is necessary to continuously spray coolant on the surface of the milling cutter and the workpiece to wash away metal debris on the surface of the workpiece while cooling the milling cutter. However, the coolant will carry metal debris into the interior of the machining equipment, and the metal debris is easy to remain in the corners of the machining equipment, making it inconvenient to clean the machining equipment. Therefore, this invention proposes an integral radial diffuser with a screw seat and its machining equipment.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: an integral radial diffuser with a screw seat and its processing equipment, comprising:

[0006] The machine body, placed on the ground, serves to support the entire processing equipment;

[0007] The slide block slides on the surface of the machine body to mount the support column. The outer surface of the machine body is provided with a drive motor and a lead screw for driving the slide block to move. The operation of the servo motor drives the lead screw to rotate and controls the slide block to move on the surface of the lead screw and the machine body. The outer surface of the slide block is provided with a collection device that can collect debris and coolant during the processing.

[0008] The machining head is mounted on one side of the machine body for machining the radial diffuser. The machining head includes a base that can move on the surface of the machine body, a machine arm that controls the rotation of the milling cutter and adjusts the angle of the milling cutter, and a milling cutter for milling the surface of the radial diffuser. The outer surface of the machining head is also provided with a delivery pipe for conveying coolant.

[0009] Preferably, the collection device includes:

[0010] A collar, on the outer surface of which a collection box is fixedly connected, and a drain pipe is provided at the bottom of the collection box. The size and shape of the inner ring of the collar are adapted to the size and shape of the outer surface of the support column. Slots are provided on both sides of the inner wall of the collection box.

[0011] A filter frame has a filter screen on its surface. Two plugs are fixedly connected to both sides of the filter frame. The plugs are adapted to slots and are inserted into the slots to install the filter frame.

[0012] An arc-shaped plate is fixed to one side of the bottom of the collection box. The bottom of the collection box is threaded with a screw rod, and one end of the screw rod is rotatably connected to a clamping plate.

[0013] The effect achieved by the above components is as follows: When machining the impeller of the radial diffuser using machining equipment, first insert the inserts on both sides of the filter screen frame into the slots on both sides of the inner wall of the collection box, install the filter screen frame inside the collection box, and then put the collar on the surface of the support column from top to bottom, so that the inner side of the arc plate at the bottom of the collection box is in contact with the outer surface of the support column. Then, rotate the screw to control the screw to move on one side of the bottom of the collection box, driving the clamping plate to slide towards the clamping plate at the bottom of the collection box, clamping the side of the clamping plate away from the screw on the outer surface of the support column, fixing the collection box on the outer side of the top of the support column. Then, connect the coolant receiving pipe to one end of the drain pipe at the bottom of the collection box, and then put the impeller on the outer side of the top of the support column to fix the position of the impeller. The control box on one side of the machine body controls the drive motor on one side of the machine body to drive the screw to rotate, so that the slide moves on the outer surface of the machine body to adjust the relative position between the impeller and the machining head. The machining head operates by controlling the rotation and angle adjustment of the milling cutter via the drive mechanism inside the machine arm and machine body to mill the impeller surface. During the machining process, a pump inside the machine body pumps coolant into the delivery pipe, which sprays out at one end to cool the milling cutter and impeller surface and wash away the metal debris generated during machining. The coolant and metal debris enter the collection box and are filtered through the filter screen on the surface of the filter frame, blocking the metal debris on the filter screen surface. The coolant enters the collection box and is discharged through the drain pipe at the bottom of the collection box. After machining is completed, the impeller is removed, and the screw is rotated to move the clamping plate away from the arc plate to release the position of the collection box on the outer surface of the support. The collection box is then removed from the bottom up, and the inserts on both sides of the filter frame are pulled out from the slots to remove the filter frame. The surface of the filter frame is then cleaned.

[0014] Preferably, a plurality of rubber protrusions are fixedly connected to one side of the clamping plate, and the protrusions are linearly distributed on one side of the clamping plate.

[0015] The effect achieved by the above components is that when the side of the clamp plate with the rubber protrusion is pressed against the outer surface of the support column to fix the position of the collection box, it is more stable and less likely to slip accidentally.

[0016] Preferably, an operating block is fixedly connected to the end of the screw away from the clamping plate, and protrusions are provided on both sides of the operating block.

[0017] The effect achieved by the above components is that the protrusions on both sides of the operating block make it easier to rotate the operating block to control the screw rotation and adjust the position of the clamping plate.

[0018] Preferably, two protrusions are fixedly connected to the top of the filter frame.

[0019] The effect achieved by the above components is that when removing the filter frame, pinching the surface of the two protrusions makes it easier to pull the filter frame upwards and remove it.

[0020] Preferably, it also includes a radial diffuser, comprising an impeller, the impeller being composed of a front cover, a screw seat, blades and a rear cover, the screw seat being circumferentially distributed on the outer surface of the front cover, and the blades being circumferentially distributed between the front cover and the rear cover.

[0021] Preferably, the number of blades is 19, and the throat diameter of the blades is Φ15mm.

[0022] Preferably, the wall thickness of the back cover is 6mm.

[0023] Compared with the prior art, the advantages and positive effects of the present invention are as follows:

[0024] In this invention, by setting up a collection device and using processing equipment to process the impeller of the radial diffuser, firstly, the inserts on both sides of the filter frame are inserted into the slots on both sides of the inner wall of the collection box, and the filter frame is installed inside the collection box. Then, the collar is placed on the surface of the support column from top to bottom, so that the inner side of the arc plate at the bottom of the collection box is attached to the outer surface of the support column. Then, the screw is rotated to control the screw to move on one side of the bottom of the collection box, driving the clamping plate to slide towards the clamping plate at the bottom of the collection box, clamping the side of the clamping plate away from the screw on the outer surface of the support column, and fixing the collection box on the outer side of the top of the support column. Then, the coolant receiving pipe is connected to one end of the drain pipe at the bottom of the collection box. Then, the impeller is placed on the outer side of the top of the support column to fix the position of the impeller. The control box on one side of the machine body controls the drive motor on one side of the machine body to drive the screw to rotate, so that the slide moves on the outer surface of the machine body to adjust the relative position between the impeller and the processing head. The machining head operates by controlling the rotation and angle adjustment of the milling cutter via the drive device inside the machine arm and machine body to mill the impeller surface. During the machining process, a pump inside the machine body pumps coolant into the delivery pipe, which sprays out from one end to cool the milling cutter and impeller surface and wash away the metal debris generated during machining. The coolant and metal debris enter the collection box and are filtered by the filter screen on the surface of the filter frame, blocking the metal debris on the filter screen surface. The coolant enters the collection box and is discharged through the drain pipe at the bottom of the collection box. After machining is completed, the impeller is removed, and the screw is rotated to move the clamping plate away from the arc plate to release the position of the collection box on the outer surface of the support. The collection box is then removed from the bottom up, and the inserts on both sides of the filter frame are pulled out from the slots to remove the filter frame. The surface of the filter frame is then cleaned. Attached Figure Description

[0025] Figure 1 This invention provides a three-dimensional structural schematic diagram of an integral radial diffuser with a screw seat and its processing equipment;

[0026] Figure 2 This invention provides a three-dimensional structural diagram of the body of an integral radial diffuser with a screw seat and its processing equipment;

[0027] Figure 3 This invention provides a three-dimensional structural diagram of the collection box in an integral radial diffuser with a screw seat and its processing equipment.

[0028] Figure 4 This invention provides a three-dimensional structural diagram of the clamping plate in an integral radial diffuser with a screw seat and its processing equipment.

[0029] Figure 5 This invention provides a three-dimensional structural diagram of the filter frame in an integral radial diffuser with a screw seat and its processing equipment.

[0030] Figure 6 This invention provides a three-dimensional structural diagram of the impeller in an integral radial diffuser with a screw seat and its processing equipment.

[0031] Legend: 1. Body; 2. Collection device; 3. Slide; 4. Support column; 5. Processing head; 6. Impeller; 21. Collar; 22. Collection box; 23. Slot; 24. Filter screen frame; 25. Insert block; 26. Arc plate; 27. Screw; 28. Clamping plate; 29. ​​Raised strip; 210. Operating block; 211. Raised block; 61. Front cover; 62. Screw seat body; 63. Blade; 64. Rear cover. Detailed Implementation

[0032] Example 1, such as Figure 1-2 As shown, an integral radial diffuser with a screw seat and its processing equipment are disclosed.

[0033] The machine includes a body 1, which is placed on the ground to support the entire processing equipment. A slide 3 slides on the surface of the body 1 to mount a support column 4. The outer surface of the body 1 is equipped with a drive motor and a lead screw for driving the slide 3 to move. The servo motor drives the lead screw to rotate, controlling the slide 3 to move on the surface of the lead screw and the body 1. The outer surface of the slide 3 is equipped with a collection device 2 for collecting debris and coolant during the processing. A processing head 5 is installed on one side of the body 1 for processing a radial diffuser. The processing head 5 includes a base that can move on the surface of the body 1, a machine arm for controlling the rotation of the milling cutter and adjusting the angle of the milling cutter, and a milling cutter for milling the surface of the radial diffuser. The outer surface of the processing head 5 is also equipped with a delivery pipe for conveying coolant.

[0034] Reference Figure 2-5As shown, in this embodiment: the collecting device 2 includes a collar 21, a collecting box 22 is fixedly connected to the outer surface of the collar 21, a drain pipe is provided at the bottom end of the collecting box 22, the size and shape of the inner ring of the collar 21 are adapted to the size and shape of the outer surface of the support column 4, slots 23 are provided on both sides of the inner wall of the collecting box 22, a filter screen is provided on the surface of the filter screen frame 24, and inserts 25 are fixedly connected to both sides of the filter screen frame 24 respectively. The inserts 25 are adapted to the slots 23 and are inserted into the slots 23 to install the filter screen frame 24. An arc plate 26 is fixed to one side of the bottom end of the collecting box 22, a screw 27 is threadedly connected to the bottom end of the collecting box 22, and a clamping plate 28 is rotatably connected to one end of the screw 27. The impeller 6 of the radial diffuser is processed using processing equipment. During processing, first insert the inserts 25 on both sides of the filter frame 24 into the slots 23 on both sides of the inner wall of the collection box 22, and install the filter frame 24 inside the collection box 22. Then, put the collar 21 on the surface of the support column 4 from top to bottom, so that the inner side of the arc plate 26 at the bottom of the collection box 22 is in contact with the outer surface of the support column 4. Then, rotate the screw 27 to control the screw 27 to move on one side of the bottom of the collection box 22, driving the clamping plate 28 to slide towards the clamping plate 28 at the bottom of the collection box 22, clamping the side of the clamping plate 28 away from the screw 27 onto the outer surface of the support column 4, and fixing the collection box 22 to the outer top of the support column 4. Then, connect the coolant receiving pipe to one end of the drain pipe at the bottom of the collection box 22. Then, put the impeller 6 on the outer top of the support column 4. With its position fixed, the drive motor at one end of the machine body 1, controlled by a control box on one side, rotates the lead screw, causing the slide 3 to move on the outer surface of the machine body 1 to adjust the relative position between the impeller 6 and the machining head 5. Simultaneously, the machining head 5 operates, controlling the rotation and angle adjustment of the milling cutter via the machine arm and the drive device inside the machine body 1, to mill the surface of the impeller 6. During the machining process, a pump inside the machine body 1 pumps coolant into the delivery pipe, which sprays out from one end to cool the surface of the milling cutter and impeller 6, and washes away the metal debris generated during machining. The coolant and metal debris enter the collection box 22, where a filter screen on the surface of the filter frame 24 filters out the metal debris from the coolant, blocking it. Coolant will enter the collection box 22 through the filter screen surface on frame 24 and be discharged through the drain pipe at the bottom of the collection box 22. After processing, remove the impeller 6, and then rotate the screw 27 to control the clamping plate 28 to move away from the arc plate 26 to release the position of the collection box 22 on the outer surface of the support column 4. Then remove the collection box 22 from bottom to top, and pull out the inserts 25 on both sides of the filter screen frame 24 from the slot 23 to remove the filter screen frame 24. Clean the surface of the filter screen frame 24. By setting the collection device 2, when using the processing equipment, the collection box 22 is fixed on the outside of the support column 4 and located below the workpiece. The coolant waste and metal shavings generated during the processing will enter the collection box 22 with the flow of coolant waste.The waste liquid is filtered through the filter screen on the filter frame 24 to prevent coolant and metal debris from entering the processing equipment. Removing the collection box 22 allows for easy cleaning of the metal debris, improving the convenience of using the processing equipment.

[0035] Reference Figure 2-5 As shown in this embodiment: a number of rubber protrusions 29 are fixedly connected to one side of the clamping plate 28. The protrusions 29 are linearly distributed on one side of the clamping plate 28. When the side of the clamping plate 28 with rubber protrusions 29 is pressed against the outer surface of the support column 4 to fix the position of the collection box 22, it is more stable and less prone to accidental slippage. The end of the screw 27 away from the clamping plate 28 is fixedly connected to the operating block 210. The two sides of the operating block 210 are provided with protrusions. Holding the protrusions on both sides of the operating block 210 makes it easier to rotate the operating block 210 to control the screw 27 to rotate and adjust the position of the clamping plate 28. The top of the filter frame 24 is fixedly connected to two protrusions 211. When removing the filter frame 24, pinching the surface of the two protrusions 211 makes it easier to pull the filter frame 24 upward and remove the filter frame 24.

[0036] Example 2, as Figure 1 and Figure 6 As shown, a radial diffuser includes an impeller 6, which is composed of a front cover 61, a screw seat 62, blades 63 and a rear cover 64. The screw seat 62 is circumferentially distributed on the outer surface of the front cover 61, and the blades 63 are circumferentially distributed between the front cover 61 and the rear cover 64.

[0037] The number of blades 63 is 19, and the throat diameter of blade 63 is Φ15mm. This throat size directly affects engine performance. The chamfer at the air intake edge of the blade extends into the airflow channel, intersecting with the blade leading edge and the rounded blade root to form a complex curved surface. The rounded blade leading edge and blade root of blade 63 smoothly and seamlessly connect with the rear cover 64. The internal flow channel is machined using a combination of electrical discharge machining and surface precision control technology to achieve the machining of the complex curved surface of the blade 63 channel and the inlet chamfer.

[0038] The front cover 61 has five screw seat bodies 62 structures. The screw seat bodies 62 have M7*1 threads. The screw seat bodies 62 and the front cover 61 are rounded with R3. The integral radial diffuser can be connected to other parts through this thread structure.

[0039] The rear cover 64 has a wall thickness of 6mm, which gives the radial diffuser sufficient rigidity and ensures that the height and area of ​​each channel of the radial diffuser are uniform, which can play a role in stabilizing the airflow.

[0040] Working principle: When machining the impeller 6 of the radial diffuser using processing equipment, first insert the inserts 25 on both sides of the filter frame 24 into the slots 23 on both sides of the inner wall of the collection box 22, install the filter frame 24 inside the collection box 22, and then put the collar 21 on the surface of the support column 4 from top to bottom, so that the inner side of the arc plate 26 at the bottom of the collection box 22 is in contact with the outer surface of the support column 4. Then, rotate the screw 27 to control the screw 27 to move on one side of the bottom end of the collection box 22, driving the clamping plate 28 towards the bottom end of the collection box 22. Slide the clamping plate 28 in the direction of 28, clamping the side of the clamping plate 28 away from the screw 27 onto the outer surface of the support column 4, and fix the collection box 22 on the outer side of the top of the support column 4. Then connect the coolant receiving pipe to one end of the drain pipe at the bottom of the collection box 22. Then, put the impeller 6 on the outer side of the top of the support column 4 and fix the position of the impeller 6. Control the drive motor at one end of the machine body 1 through the control box on one side of the machine body 1 to drive the screw to rotate, so that the slide 3 moves on the outer surface of the machine body 1 to adjust the relative position between the impeller 6 and the processing head 5. At the same time, operate the processing head 5 to control the rotation and angle adjustment of the milling cutter through the drive device inside the machine arm and the machine body 1 to mill the surface of the impeller 6. During the processing, the pump inside the machine body 1 inputs coolant into the delivery pipe and sprays it out through one end of the delivery pipe to cool the surface of the milling cutter and the impeller 6, and wash away the metal chips generated during processing. The coolant and metal chips will enter the interior of the collection box 22, and filter the metal chips in the coolant through the filter screen on the surface of the filter frame 24. The debris is blocked on the filter screen surface of the filter screen frame 24. The coolant will enter the collection box 22 and be discharged through the drain pipe at the bottom of the collection box 22. After processing, the impeller 6 is removed, and the screw 27 is rotated to control the clamping plate 28 to move away from the arc plate 26 to release the position of the collection box 22 on the outer surface of the support column 4. Then, the collection box 22 is taken out from bottom to top, and the inserts 25 on both sides of the filter screen frame 24 are pulled out from the slot 23 to remove the filter screen frame 24. The surface of the filter screen frame 24 is cleaned.

[0041] The above description is merely a preferred embodiment of the present invention and is not intended to limit the invention in any other way. Any person skilled in the art may utilize the disclosed technical content to make changes or modifications to create equivalent embodiments applicable to other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present invention, without departing from the scope of the present invention, still fall within the protection scope of the present invention. In the description of the present invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. For those skilled in the art, the specific meaning of the above terms in the present invention can be understood through specific circumstances.

Claims

1. A machining apparatus for a one-piece radial diffuser with a screw seat, characterized in that: Include: Machine body (1), the machine body (1) is placed on the ground for carrying the whole processing equipment; Slide (3), the slide (3) is sliding on the surface of the machine body (1) for installing the support (4), the outer surface of the machine body (1) is provided with a driving motor and a screw rod for driving the slide (3) to move, the operation servo motor drives the screw rod to rotate to control the slide (3) to move on the surface of the screw rod and the machine body (1), the outer surface of the slide (3) is provided with a collecting device (2) which can collect the chips and cooling liquid in the processing; Processing head (5), the processing head (5) is installed on one side of the machine body (1) for processing the radial diffuser, the processing head (5) includes a base which can move on the surface of the machine body (1), a machine arm which can control the rotation and angle adjustment of the milling cutter, and a milling cutter which can mill the surface of the radial diffuser, the outer surface of the processing head (5) is also provided with a conveying pipe for conveying cooling liquid; The collecting device (2) comprises: The sleeve ring (21) is fixedly connected with the collecting box (22) on the outer surface, the bottom end of the collecting box (22) is provided with a drain pipe, the inner circle of the sleeve ring (21) is matched with the size and shape of the outer surface of the support (4), and the inner wall of the collecting box (22) is provided with a slot (23) on both sides; The surface of the filter screen frame (24) is provided with a filter screen, and the both sides of the filter screen frame (24) are fixedly connected with an insertion block (25), the insertion block (25) is matched with the slot (23), and the insertion block (25) is inserted into the slot (23) for installing the filter screen frame (24); The arc plate (26) is fixed on one side of the bottom end of the collecting box (22), the bottom end of the collecting box (22) is threadedly connected with a screw rod (27), and one end of the screw rod (27) is rotatably connected with a clamping plate (28); The radial diffuser processed comprises an impeller (6), the impeller (6) is composed of a front cover (61), a screw seat body (62), a blade (63) and a rear cover (64), the screw seat body (62) is circumferentially distributed on the outer surface of the front cover (61), and the blade (63) is circumferentially distributed between the front cover (61) and the rear cover (64).

2. The machining apparatus of the integral radial diffuser with screw seat according to claim 1, characterized in that: The number of the blade (63) is 19, and the throat diameter of the blade (63) is Φ15mm.

3. The apparatus for processing a one-piece radial diffuser with a screw seat according to claim 2, characterized in that: The wall thickness of the rear cover (64) is 6mm.

4. The apparatus for processing a one-piece radial diffuser with a screw seat according to claim 1, characterized in that: One side of the clamping plate (28) is fixedly connected with a plurality of rubber protrusions (29), and the protrusions (29) are linearly distributed on one side of the clamping plate (28).

5. The apparatus for machining a one-piece radial diffuser with a screw seat according to claim 4, characterized in that: The end of the screw rod (27) away from the clamping plate (28) is fixedly connected with an operating block (210), and the both sides of the operating block (210) are provided with protrusions.

6. The apparatus for machining a one-piece radial diffuser with a screw seat according to claim 5, characterized in that: The top end of the filter screen frame (24) is fixedly connected with two protrusions (211).

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