Electromagnetic induction heater for machining aero-engine shaft parts

By designing an electromagnetic induction heater with an electric telescopic rod and a servo motor, the problem of uneven heating in the processing of shaft parts of aero engine is solved, and uniform heating and high-quality processing of parts are achieved.

CN222893211UActive Publication Date: 2025-05-23SHANGHAI DAIMLE ELECTRIC APPLIANCE CO LTD
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Patent Information

Application Number
CN202421867779.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-05
Publication Date
2025-05-23
Estimated Expiration
2034-08-05

AI Technical Summary

Technical Problem

In the processing of existing aero engine shaft parts, electromagnetic induction heating methods lead to differences in the surface and internal temperature of the parts, resulting in uneven heating, affecting the size and shape of the parts.

Method used

An electromagnetic induction heater is designed to drive the down plate to move through an electric telescopic rod to clamp the parts of the upper turntable and the lower turntable. The first servo motor drives the lower turntable and the second servo motor drives the threaded rod to rotate, so that the solenoid coil cylinder circulates and moves outside the part to ensure uniform heating.

Benefits of technology

It realizes uniform heating of shaft parts during heating, avoids the problem of size and shape changes caused by uneven heat distribution, and improves the processing quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of electromagnetic induction heaters, and discloses an electromagnetic induction heater for processing aero-engine shaft parts, which comprises a box body, a base is fixedly connected to the lower end in the box body, and a first servo motor is arranged in the middle of the upper end of the base. The output end of the first servo motor is sleeved with a driving gear. According to the heater, the electric telescopic rod drives the lower pressing plate to move, so that the upper rotating disc and the lower rotating disc can clamp shaft parts with different lengths, meanwhile, the first servo motor drives the lower rotating disc to rotate, the shaft parts can rotate, and the second servo motor drives the threaded rod to rotate. And the electromagnetic coil cylinder is enabled to uniformly and circularly move outside the shaft part, so that the shaft part is ensured to be uniformly heated in the heating process, the problem that the size and the shape of the part are changed due to non-uniform heat distribution is effectively avoided, and the processing quality is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of electromagnetic induction heaters, in particular to an electromagnetic induction heater for machining axle parts of aviation engines. Background Art

[0002] The electromagnetic induction heater for machining aero-engine shaft parts is a device dedicated to the heat treatment of high-performance metal materials. It is usually used for heating, quenching, annealing and other processes of shaft parts in aero-engines. Its working principle is to use the principle of electromagnetic induction to pass current through the conductor coil to generate an alternating magnetic field, which in turn generates eddy currents inside the heated material, causing the material to heat up rapidly. This heating method has many advantages and is suitable for the high requirements of precision and performance in the aerospace field.

[0003] With current technology, many aero-engine shaft parts are usually heated during processing by placing them directly inside electromagnetic coils. However, this method may lead to temperature differences between the surface and interior of the shaft parts, and the heating of the center part may not be uniform. This uneven heating may cause problems with the size and shape of the parts after processing, thus affecting their final quality.

[0004] Therefore, those skilled in the art provide an electromagnetic induction heater for machining aero-engine shaft parts to solve the problems raised in the above-mentioned background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose an electromagnetic induction heater for processing aircraft engine shaft parts. The heater drives the lower pressure plate to move through an electric telescopic rod, so that the upper turntable and the lower turntable can clamp shaft parts of different lengths. At the same time, the first servo motor drives the lower turntable to rotate, so that the shaft parts can rotate, and the second servo motor drives the threaded rod to rotate, so that the electromagnetic coil cylinder moves evenly in a cycle outside the shaft parts, ensuring that the shaft parts are evenly heated during the heating process, effectively avoiding the problem of changes in part size and shape due to uneven heat distribution, thereby improving the processing quality.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] An electromagnetic induction heater for machining axle parts of an aircraft engine, comprising a box body, wherein the lower end of the box body is fixedly connected to a base, a first servo motor is arranged in the middle of the upper end of the base, a driving gear is sleeved on the outside of the output end of the first servo motor, both sides of the driving gear are meshingly connected to driven gears, transmission shafts are sleeved inside the two driven gears, the upper ends of the two transmission shafts are fixedly connected to lower turntables, the two lower turntables are rotatably connected to the base, second servo motors are arranged on both sides of the base, the output ends of the two second servo motors are fixedly connected to threaded rods, the outer lower ends of the two threaded rods are sleeved with sleeves, one side of the two sleeves is fixedly connected to an electromagnetic coil cylinder, and both sides of the upper end of the base are fixedly connected to support columns;

[0008] Electric telescopic rods are arranged on both sides of the upper end of the box body, the lower ends of the two electric telescopic rods are fixedly connected to the lower pressure plate, the lower ends of the lower pressure plate are rotatably connected to the upper turntable, the upper ends of the box body are fixedly connected to the shell, one side of the two shells is provided with a fan, the other side of the two shells is provided with a heat pipe, the lower end of the heat pipe extends to the inside of the box body, and the inside of the shell body is fixedly connected to the dust net on both sides;

[0009] Through the above technical solution, the heater drives the lower pressure plate to move through the electric telescopic rod, so that the upper turntable and the lower turntable can clamp shaft parts of different lengths. At the same time, the first servo motor drives the lower turntable to rotate, so that the shaft parts can rotate, and the second servo motor drives the threaded rod to rotate, so that the electromagnetic coil cylinder can circulate evenly outside the shaft parts, ensuring that the shaft parts are evenly heated during the heating process, effectively avoiding the problem of changes in part size and shape due to uneven heat distribution, thereby improving the processing quality.

[0010] Furthermore, a heat sink is fixedly connected to the middle of the interior of the shell, and the two heat sinks are both sleeved on the outside of the heat pipe;

[0011] Through the above technical solution, the heat sink can further increase the heat dissipation area, improve the heat dissipation efficiency of the heat pipe, and ensure that the heat inside the box can be quickly dissipated, thereby maintaining stable operation of the equipment.

[0012] Furthermore, the upper ends of the two threaded rods are rotatably connected to the support column;

[0013] Through the above technical solution, the upper end of the threaded rod is rotatably connected to the support column, which ensures the structural stability and reliability between the two and improves the accuracy of the equipment.

[0014] Furthermore, a guide groove is provided on one side of the inner part of the two support columns, a guide block is fixedly connected to one side of the outer part of the two sleeves, and the two guide blocks are slidably connected to the guide groove;

[0015] Through the above technical solution, the design of the guide groove and the guide block ensures the accurate position and stability of the sleeve, helps to improve the processing accuracy and reduce the displacement and deformation of the parts during the processing.

[0016] Furthermore, both sides of the inner end surfaces of the box body are provided with slide grooves, and both sides of the inner end surfaces of the lower pressing plate are fixedly connected with slide rods, and a plurality of the slide rods are slidably connected to the slide grooves;

[0017] Through the above technical solution, the sliding connection between the slide rod and the slide groove can reduce the displacement of the parts during the processing, ensure the stability of the parts during the heating process, and thus improve the processing accuracy.

[0018] Furthermore, a control panel is provided at a corner of one end surface of the box body, and a battery is provided at the middle of the lower end of the box body, and the battery and the control panel, the first servo motor, the second servo motor, the electromagnetic coil cylinder, and the fan are all electrically connected;

[0019] Through the above technical solution, the setting of the control panel and the battery provides a convenient operating interface and energy supply, so that the entire heating system can operate independently, thereby improving the autonomy of the equipment.

[0020] Furthermore, a rotating door is rotatably connected to one side of one end surface of the box body;

[0021] Through the above technical solution, the design of the revolving door provides convenience for equipment operation, facilitates the placement and removal of internal materials, and improves the overall operating efficiency of the equipment.

[0022] Furthermore, support legs are fixedly connected to the four corners of the lower end of the box;

[0023] Through the above technical solution, the design of the supporting legs enhances the stability of the equipment, prevents the equipment from tilting or moving during operation, and ensures the safety of operation and the accuracy of processing.

[0024] The utility model has the following beneficial effects:

[0025] 1. The utility model proposes an electromagnetic induction heater for processing aero-engine shaft parts. The electric telescopic rod is used to drive the lower pressure plate to move, so that the upper turntable and the lower turntable can clamp and fix the shaft parts, thereby clamping and fixing shaft parts of different lengths. At the same time, the lower turntable is driven to rotate by the first servo motor, so that the shaft parts can be rotated, and the threaded rod is driven to rotate by the second servo motor, so that the electromagnetic coil cylinder can circulate and move evenly outside the shaft parts of different sizes, thereby ensuring that the shaft parts can be evenly heated during the heating process, effectively avoiding the problem of size and shape changes of parts due to uneven heat distribution during processing, and improving the processing quality.

[0026] 2. The utility model proposes an electromagnetic induction heater for processing aero-engine shaft parts. After the shaft parts are heated and processed, the lower end of the heat pipe is extended into the interior of the box to absorb the heat inside the box, and the heat pipe transmits the heat to the inside of the box. At the same time, the fan is rotated to allow the air around the heat pipe to flow quickly, thereby achieving uniform and rapid heat dissipation inside the box, which helps to evenly cool the shaft parts over the entire surface and volume, reduces thermal stress, reduces the risk of deformation and cracks caused by large temperature gradients, maintains the size and shape accuracy of the parts, and further improves the processing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is an axonometric diagram of an electromagnetic induction heater for machining aero-engine shaft parts proposed by the utility model;

[0028] Figure 2 This is an axonometric view of the base of an electromagnetic induction heater for machining aero-engine shaft parts proposed by the utility model;

[0029] Figure 3 This is a front cross-sectional view of an electromagnetic induction heater for machining aero-engine shaft parts proposed by the utility model;

[0030] Figure 4 This is a side sectional view of an electromagnetic induction heater for machining aero-engine shaft parts proposed by the utility model;

[0031] Figure 5 The utility model discloses a heat pipe structure schematic diagram of an electromagnetic induction heater for machining aero-engine shaft parts.

[0032] Legend:

[0033] 1. Box body; 2. Base; 3. First servo motor; 4. Driving gear; 5. Driven gear; 6. Transmission shaft; 7. Lower turntable; 8. Second servo motor; 9. Threaded rod; 10. Sleeve; 11. Electromagnetic coil cylinder; 12. Support column; 13. Guide block; 14. Guide groove; 15. Electric telescopic rod; 16. Lower pressure plate; 17. Upper turntable; 18. Support leg; 19. Rotating door; 20. Control panel; 21. Shell; 22. Fan; 23. Heat pipe; 24. Dust net; 25. Heat sink; 26. Battery; 27. Slide rod; 28. Slide groove. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the specific implementation of the utility model to clearly and completely describe the technical solutions in the specific implementation of the utility model. Obviously, the specific implementation described is only a part of the specific implementation of the utility model, not all of the specific implementation. Based on the specific implementation of the utility model, all other specific implementations obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0035] Reference Figure 1-5 , a specific implementation mode provided by the utility model: an electromagnetic induction heater for machining axle parts of aircraft engines, comprising a box body 1, a base 2 is fixedly connected to the inner lower end of the box body 1, a first servo motor 3 is arranged in the middle of the upper end of the base 2, a driving gear 4 is sleeved on the outer side of the output end of the first servo motor 3, driven gears 5 are meshed and connected on both sides of the driving gear 4, transmission shafts 6 are sleeved inside the two driven gears 5, lower turntables 7 are fixedly connected to the upper ends of the two transmission shafts 6, and the two lower turntables 7 are rotatably connected to the base 2, second servo motors 8 are arranged on both sides of the inner side of the base 2, threaded rods 9 are fixedly connected to the output ends of the two second servo motors 8, sleeves 10 are sleeved on the outer lower ends of the two threaded rods 9, electromagnetic coil cylinders 11 are fixedly connected to one side of the two sleeves 10, and support columns 12 are fixedly connected to the upper ends of the base 2;

[0036] Electric telescopic rods 15 are provided on both sides of the upper end of the box body 1, and the lower ends of the two electric telescopic rods 15 are fixedly connected with lower pressure plates 16, and the lower ends of the lower pressure plates 16 are rotatably connected with upper turntables 17. Both sides of the upper end of the box body 1 are fixedly connected with shells 21, and fans 22 are provided on one side of the interior of the two shells 21. Heat pipes 23 are provided on the other side of the interior of the two shells 21. The lower ends of the heat pipes 23 extend to the interior of the box body 1, and dustproof nets 24 are fixedly connected on both sides of the interior of the shell 21. The heater drives the lower pressure plate 16 to move through the electric telescopic rod 15, so that the upper turntable 17 and the lower turntable 7 can clamp shaft parts of different lengths. At the same time, the first servo motor 3 drives the lower turntable 7 to rotate so that the shaft parts can rotate, and the second servo motor 8 drives the threaded rod 9 to rotate, so that the electromagnetic coil cylinder 11 is evenly circulated and moved outside the shaft parts, ensuring that the shaft parts are evenly heated during the heating process, effectively avoiding the problem of changes in part size and shape due to uneven heat distribution, thereby improving the processing quality.

[0037] A heat sink 25 is fixedly connected to the middle part of the interior of the shell 21, and the two heat sinks 25 are both sleeved on the outside of the heat pipe 23. The heat sink 25 can further increase the heat dissipation area, improve the heat dissipation efficiency of the heat pipe 23, and ensure that the heat inside the box 1 can be quickly dissipated, thereby maintaining stable operation of the equipment. The upper ends of the two threaded rods 9 are rotatably connected to the support column 12, and the upper ends of the threaded rods 9 are rotatably connected to the support column 12, ensuring the structural stability and reliability between the two, and improving the accuracy of the equipment. A guide groove 14 is provided on one side of the interior of the two support columns 12, and a guide block 13 is fixedly connected to one side of the exterior of the two sleeves 10, and the two guide blocks 13 are slidably connected to the guide groove 14. The design of the guide groove 14 and the guide block 13 ensures the accurate position and stability of the sleeve 10, which helps to improve the processing accuracy and reduce the displacement and deformation of parts during the processing. Slide grooves 28 are provided on both sides of the end faces on both sides of the interior of the box 1, and slide rods 27 are fixedly connected on both sides of the end faces on both sides of the lower pressure plate 16, and multiple slide rods 27 are slidably connected to the slide grooves 28 Through the sliding connection between the slide bar 27 and the slide groove 28, the displacement of the parts during the processing can be reduced, the stability of the parts during the heating process can be ensured, and the processing accuracy can be improved. A control panel 20 is arranged at a corner of one end surface of the box body 1, and a battery 26 is arranged in the middle of the lower end of the box body 1. The battery 26 and the control panel 20, the first servo motor 3, the second servo motor 8, the electromagnetic coil cylinder 11, and the fan 22 are all electrically connected. The setting of the control panel 20 and the battery 26 provides a convenient operation interface and energy supply, so that the entire heating system can operate independently, which improves the autonomy of the equipment. A rotating door 19 is rotatably connected to one side of the end surface of one side of the box body 1. The design of the rotating door 19 provides convenience for the operation of the equipment, facilitates the placement and removal of materials inside, and improves the overall operation efficiency of the equipment. Support legs 18 are fixedly connected at the four corners of the lower end of the box body 1. The design of the support legs 18 enhances the stability of the equipment, prevents the equipment from tilting or moving during operation, and ensures the safety of operation and the accuracy of processing.

[0038] Working principle: When the electromagnetic induction heater is in use, the staff places the shaft parts between the upper turntable 17 and the lower turntable 7, and controls the electric telescopic rod 15 through the control panel 20 to drive the lower pressure plate 16 to move, so that the shaft parts can be fixed. After the parts are fixed, the lower turntable 7 is driven to rotate by controlling the first servo motor 3, so that the shaft parts can rotate, and the second servo motor 8 is controlled to drive the threaded rod 9 to rotate, so that the electromagnetic coil cylinder 11 can circulate and move evenly outside the shaft parts of different sizes, thereby ensuring that the shaft parts can be heated evenly during the heating process, effectively avoiding the problem of changes in size and shape of the parts due to uneven heat distribution during processing, and improving the processing quality. After the heating processing of the parts is completed, the fan 22 is set to rotate, so that the air around the heat pipe 23 outside the box 1 can flow quickly, so that the inside of the box 1 can achieve uniform and rapid heat dissipation, which helps to evenly cool the shaft parts over the entire surface and volume, reduce thermal stress, reduce the risk of deformation and cracks caused by large temperature gradients, maintain the size and shape accuracy of the parts, and further improve the processing quality.

[0039] Finally, it should be noted that the above is only a preferred specific implementation method of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned specific implementation methods, those skilled in the art can still modify the technical solutions recorded in the aforementioned specific implementation methods, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An electromagnetic induction heater for machining aero-engine shaft parts, comprising a housing (1), characterized in that: The lower end of the box body (1) is fixedly connected to a base (2), a first servo motor (3) is arranged in the middle of the upper end of the base (2), an output end of the first servo motor (3) is sleeved with a driving gear (4), both sides of the driving gear (4) are meshingly connected with driven gears (5), the interiors of the two driven gears (5) are sleeved with transmission shafts (6), the upper ends of the two transmission shafts (6) are fixedly connected with lower turntables (7), the two lower turntables (7) are rotatably connected to the base (2), second servo motors (8) are arranged on both sides of the base (2), the output ends of the two second servo motors (8) are fixedly connected with threaded rods (9), the lower ends of the two threaded rods (9) are sleeved with sleeves (10), one side of the two sleeves (10) is fixedly connected with an electromagnetic coil cylinder (11), and both sides of the upper end of the base (2) are fixedly connected with support columns (12); Electric telescopic rods (15) are provided on both sides of the upper end of the box body (1), the lower ends of the two electric telescopic rods (15) are fixedly connected to a lower pressure plate (16), and the lower ends of the lower pressure plate (16) are rotatably connected to an upper turntable (17), and the upper ends of the box body (1) are fixedly connected to a shell (21) on both sides, and a fan (22) is provided on one side of the two shells (21), and a heat pipe (23) is provided on the other side of the two shells (21), and the lower end of the heat pipe (23) extends to the interior of the box body (1), and dustproof nets (24) are fixedly connected to both sides of the interior of the shell (21).

2. The electromagnetic induction heater for machining aero-engine shaft parts according to claim 1, characterized in that: A heat sink (25) is fixedly connected to the middle of the interior of the housing (21), and the two heat sinks (25) are both sleeved on the outside of the heat pipe (23).

3. The electromagnetic induction heater for machining aero-engine shaft parts according to claim 1, characterized in that: The upper ends of the two threaded rods (9) are rotatably connected to the support column (12).

4. The electromagnetic induction heater for machining aero-engine shaft parts according to claim 1, characterized in that: A guide groove (14) is provided on one inner side of the two support columns (12), and a guide block (13) is fixedly connected to one outer side of the two sleeves (10), and the two guide blocks (13) are slidably connected to the guide groove (14).

5. The electromagnetic induction heater for machining aero-engine shaft parts according to claim 1, characterized in that: Slide grooves (28) are provided on both sides of the inner end surfaces of the box body (1), and slide rods (27) are fixedly connected to both sides of the inner end surfaces of the lower pressure plate (16), and a plurality of the slide rods (27) are slidably connected to the slide grooves (28).

6. The electromagnetic induction heater for machining aero-engine shaft parts according to claim 1, characterized in that: A control panel (20) is provided at a corner of one end surface of the box body (1), and a storage battery (26) is provided at the middle of the lower end of the box body (1). The storage battery (26) and the control panel (20), the first servo motor (3), the second servo motor (8), the electromagnetic coil cylinder (11), and the fan (22) are all electrically connected.

7. The electromagnetic induction heater for machining aero-engine shaft parts according to claim 1, characterized in that: A rotating door (19) is rotatably connected to one end surface of one side of the box body (1).

8. The electromagnetic induction heater for machining aero-engine shaft parts according to claim 1, characterized in that: Support legs (18) are fixedly connected at the four corners of the lower end of the box body (1).