Quenching inductor of part outer circle lifting water spraying mechanism

Abstract

The utility model relates to the technical field of induction heat treatment, in particular to a quenching inductor of a liftable water spraying mechanism on the outer circle of a part. Two fixing plates are arranged at the lower end of the base in a spaced mode, the two fixing plates are oppositely arranged, induction coils are arranged on the outer sides of the fixing plates, a fixing frame is arranged at the upper end of the base, a pneumatic telescopic rod is arranged on the fixing frame, a water spraying cooling mechanism is arranged at the lower end of the pneumatic telescopic rod, the induction coils are communicated pipelines, and magnetizers are evenly arranged on the outer sides of the induction coils at intervals. The water spraying cooling mechanism comprises a water spraying ring and water pipe connectors, one side of the water spraying ring is cut off, the inner side of the water spraying ring is provided with an inclined face which is gradually narrowed from top to bottom, water spraying holes are evenly formed in the inclined face at intervals, the water pipe connectors are arranged on the outer side of the water spraying ring, and the diameter of the water spraying ring is larger than the maximum diameter of the induction coil. Compared with the prior art, the height position of the water spraying cooling mechanism is adjusted, the uniform quenching effect is achieved, the quenching quality of parts is improved, and the safety and reliability of the equipment are improved by arranging the buffer stop blocks.

Description

Technical Field

[0001] The utility model relates to the technical field of induction heat treatment, and specifically relates to a quenching inductor with an outer circle of a part that can be lifted and a water spraying mechanism. Background Art

[0002] In the process of metal processing, quenching is a common heat treatment process used to improve the hardness and wear resistance of metal parts. Induction quenching, as an efficient quenching method, is widely used in the production of various parts. However, during the water spraying and cooling process, the non-standard setting of the water spraying mechanism or facing products of different heights may lead to uneven surface hardness of the products, affecting production efficiency and the service life of the equipment. Content of the Utility Model

[0003] To solve the problems raised in the above background art, the utility model provides a quenching inductor with an outer circle of a part that can be lifted and a water spraying mechanism, which includes a base, a water spraying and cooling mechanism, and an induction coil. A fixing plate is provided at the lower end of the base, and two fixing plates are provided at intervals. The two fixing plates are arranged oppositely, and an induction coil is provided outside the fixing plates. A fixing frame is provided at the upper end of the base, and a pneumatic telescopic rod is provided on the fixing frame. The lower end of the pneumatic telescopic rod is provided with a water spraying and cooling mechanism. The induction coil is a conductive pipeline, and the induction coil includes a connecting pipe I, a connecting pipe II, an outer arc pipe I, an outer arc pipe II, and an inner arc pipe. The lower end of the connecting pipe I is provided with the outer arc pipe I, the other end of the outer arc pipe I is provided with the inner arc pipe, the other end of the inner arc pipe is provided with the outer arc pipe II, and the upper part of the other end of the outer arc pipe II is provided with the connecting pipe II. Blocks are provided at the lower ends of the connecting pipe I and the connecting pipe II. The outer arc pipe I, the outer arc pipe II, and the inner arc pipe are coaxial. Magnetic conductors are evenly arranged at intervals outside the induction coil. The water spraying and cooling mechanism includes a water spraying ring and a water pipe joint. One side of the water spraying ring is truncated, and an inclined surface is provided on the inner side. The inclined surface gradually narrows from top to bottom, and water spraying holes are evenly arranged at intervals on the inclined surface. A plurality of water pipe joints are provided outside the water spraying ring. The diameter of the water spraying ring is larger than the maximum diameter of the induction coil.

[0004] An insulating plate is provided between the two fixing plates.

[0005] Mounting holes are provided on the fixing plates and the insulating plate, and the fixing plates and the insulating plate are fixedly connected by fixing parts passing through the mounting holes.

[0006] The connecting pipe I is fixed on one side of the fixing plate and provided with a water outlet pipe, and the connecting pipe II is fixed on one side of the other fixing plate and provided with a water inlet pipe.

[0007] The cross-section of the magnetic conductor is obliquely "U"-shaped, and one side is provided with an inclined surface.

[0008] A stop valve is provided on the water pipe joint.

[0009] Compared with the prior art, this utility model adjusts the height position of the water spray cooling mechanism to achieve a uniform quenching effect, improve the quenching quality of parts, and sets up buffer blocks to improve the safety and reliability of the equipment. Attached Figure Description

[0010] Figure 1 This is a schematic diagram of the structure of this utility model;

[0011] Figure 2 This is a schematic diagram of the induction coil structure;

[0012] Figure 3 This is a top-view perspective view of the water spray cooling mechanism;

[0013] Figure 4 This is a cross-sectional view of the magnetic conductor;

[0014] See Figure 1 1. Base, 2. Fixing plate, 3. Insulating plate, 4. Induction coil, 5. Magnetic conductor, 6. Fixing frame, 7. Pneumatic telescopic rod, 8. Water spray cooling mechanism, 9. Connecting pipe one, 10. Connecting pipe two, 11. Outer arc pipe one, 12. Outer arc pipe two, 13. Inner arc pipe, 14. Water spray ring, 15. Water pipe joint, 16. Shut-off valve, 17. Baffle. Detailed Implementation

[0015] The present invention will be further described below with reference to the accompanying drawings.

[0016] like Figures 1 to 4 A quenching inductor for a lifting water spray mechanism on the outer diameter of a part includes a base 1, a water spray cooling mechanism 8, and an inductor coil 4. The lower end of the base 1 is provided with a fixing plate 2, with two fixing plates 2 spaced apart and facing each other. The inductor coil 4 is located on the outer side of the fixing plate 2. The upper end of the base 1 is provided with a fixing frame 6, which is equipped with a pneumatic telescopic rod 7. The lower end of the pneumatic telescopic rod 7 is provided with the water spray cooling mechanism 8. The inductor coil 4 is a conductive pipe, comprising a connecting pipe 9, a connecting pipe 10, an outer arc pipe 11, an outer arc pipe 2 12, and an inner arc pipe 13. The lower end of the connecting pipe 9 is provided with the outer arc pipe 11, and the other end of the outer arc pipe 11 is provided with... There is an inner arc tube 13, and an outer arc tube 2 12 is provided at the other end of the inner arc tube 13. A connecting tube 2 10 is provided above the other end of the outer arc tube 2 12. A stop block 17 is provided at the lower end of the connecting tube 1 9 and the connecting tube 2 10. The outer arc tube 1 11, the outer arc tube 2 12 and the inner arc tube 13 are coaxial. Magnetic conductors 5 are evenly spaced on the outside of the induction coil 4. The water spray cooling mechanism 8 includes a water spray ring 14 and a water pipe joint 15. The water spray ring 14 is cut off on one side and has an inclined surface on the inside. The inclined surface gradually narrows from top to bottom. Water spray holes are evenly spaced on the inclined surface. Several water pipe joints 15 are provided on the outside of the water spray ring 14. The diameter of the water spray ring 14 is larger than the maximum diameter of the induction coil 4.

[0017] An insulating plate 3 is provided between two fixing plates 2. The insulating plate 3 is made of a tetrafluoroethylene plate to improve stability and heat resistance.

[0018] The fixing plate 2 and the insulating plate 3 are provided with mounting holes, and the fixing plate 2 and the insulating plate 3 are fixedly connected by a fixing member passing through the mounting holes. The fixing member uses a nylon bolt and a brass nut. The nylon bolt has good insulation performance, while the brass nut has good heat conduction effect.

[0019] The first connecting pipe 9 is fixed on one side of the fixing plate 2 and is provided with a water outlet pipe, and the second connecting pipe 10 is fixed on one side of the other fixing plate 2 and is provided with a water inlet pipe.

[0020] The cross-section of the magnetic conductor 5 is obliquely "U"-shaped, and one side is provided with an inclined surface to increase the contact area and further concentrate the magnetic field.

[0021] A stop valve 16 is provided on the water pipe joint 15. The water pipe joint 15 is connected to high-pressure water, and the liquid flow rate is adjusted and the cut-off and circulation are controlled through the stop valve 16 to adapt to different installation environments.

[0022] During use, the water spray cooling mechanism 8 is arranged outside and below the induction coil 4. During the quenching process, the workpiece is arranged inside the induction coil 4. The induction coil 4 can generate an induced current on the surface of the workpiece to quickly heat up to the quenching temperature. A magnetic conductor is set to better concentrate the magnetic field. The water pipe joint 15 is externally connected to the water inlet, and the water flows in the water spray ring 14 and sprays out from the water spray holes. The water is sprayed on the workpiece. The height position of the water spray cooling mechanism is adjusted to achieve a uniform quenching effect. The water inlet pipe side of the second connecting pipe 10 is connected to high-pressure water to form a water circuit inside the induction coil 4 and flows back to the water tank from the water outlet pipe of the first connecting pipe 9 to cool the induction coil 4.

Claims

1. A quenching inductor of a water spray mechanism for the outer circle of a part, comprising a base (1), a water spray cooling mechanism (8) and an inductor coil (4), characterized in that: The base (1) lower end is provided with fixed plate (2), fixed plate (2) interval is provided with two, two fixed plate (2) opposite setting, fixed plate (2) outside is provided with inductive loop (4), base (1) upper end is provided with fixed frame (6), fixed frame (6) is provided with pneumatic telescopic rod (7), pneumatic telescopic rod (7) lower end is provided with water cooling mechanism (8), the inductive loop (4) is on-off type pipeline, inductive loop (4) includes connecting pipe one (9), connecting pipe two (10), outer arc pipe one (11), outer arc pipe two (12) and inner arc pipe (13), connecting pipe one (9) lower end is provided with outer arc pipe one (11), outer arc pipe one (11) the other end is provided with inner arc pipe (13), inner arc pipe (13) the other end is provided with outer arc pipe two (12), outer arc pipe two (12) the other end is provided with connecting pipe two (10) above, connecting pipe one (9) and connecting pipe two (10) lower end is provided with stop block (17), outer arc pipe one (11), outer arc pipe two (12) and inner arc pipe (13) are coaxial, inductive loop (4) outside is uniformly provided with magnetoelectric body (5), the water cooling mechanism (8) includes water spraying ring (14) and water pipe joint (15), the water spraying ring (14) one side is truncated, the inner side is provided with inclined plane, the inclined plane is gradually narrowed from top to bottom, the inclined plane is uniformly provided with water spraying hole, the water spraying ring (14) outside is provided with several water pipe joint (15), the water spraying ring (14) diameter is greater than the maximum diameter of inductive loop (4).

2. The quenching inductor of claim 1, wherein: The two fixed plates (2) are provided with insulation plate (3) between them.

3. The quenching inductor of claim 2, wherein: The fixed plate (2) and the insulation plate (3) are provided with mounting holes, and the fixed plate (2) and the insulation plate (3) are fixedly connected by the fixing member penetrating through the mounting holes.

4. The quenching inductor of claim 1, wherein: The connecting pipe one (9) is fixed on one side of the fixed plate (2) and is provided with a water outlet pipe, and the connecting pipe two (10) is fixed on one side of the other fixed plate (2) and is provided with a water inlet pipe.

5. The quenched inductor of claim 1, wherein: The magnetoelectric body (5) is in the shape of " " in cross section, and one side is provided with an inclined plane.

6. The quenched inductor of claim 1, wherein: The water pipe joint (15) is provided with a stop valve (16).

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