CN210481452U

CN210481452U - Quenching ring

Info

Publication number: CN210481452U
Application number: CN201921095641.4U
Authority: CN
Inventors: 郭强; 王全利; 令狐娟云
Original assignee: Shanxi Jinhang Heavy Industry Co ltd
Current assignee: Shanxi Jinhang Heavy Industry Co ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-05-08
Anticipated expiration: 2029-07-12

Abstract

The utility model discloses a quenching ring, which comprises a water spraying ring, an induction heating ring and a supporting plate, wherein water outlet holes which are circumferentially and uniformly distributed are formed on the inner wall of a water service pipe which is fixedly communicated with the outer wall of the water spraying ring; the induction heating ring comprises an induction heating ring main body which is bent into an unsealed circular shape by a red copper square tube; the support plates comprise two L-shaped support plates and a fixed block, the two L-shaped support plates are respectively and fixedly connected with two ends of the induction heating ring main body, insulating plates are arranged between the two L-shaped support plates and between unclosed gaps of the main body, and electrode connecting rods are respectively fixed on the L-shaped support plates; the water spraying ring is overlapped with the axial lead of the induction heating ring, the water spraying ring is arranged outside the induction heating ring, and the water spraying ring is fixed on the fixing block through symmetrically arranged screws. The utility model discloses the finished product hardness of completion is even, intensity and hardness that can effectual improvement spare part, and the suitability is good, and the practicality is strong.

Description

Quenching ring

Technical Field

The utility model relates to a quenching device, in particular to a quenching ring.

Background

Quenching is a metal heat treatment process which heats a metal workpiece to a certain proper temperature and keeps the temperature for a period of time, and then the metal workpiece is immersed into a quenching medium for rapid cooling, and the good and poor control of a quenching link has great influence on the quality, the yield and the next working procedure of the metal heat treatment. The quenching processing in the prior art generally comprises the steps of taking down a workpiece after a quenching spray head is started, and then placing the workpiece into cooling liquid for quenching, so that the production efficiency is low, and the tempering step is omitted, so that the hardness of parts can be influenced, the hardness of the parts is not uniform, and the applicability and the practicability are limited to a certain extent. Or quenching with a single turn, i.e. heating and cooling on one turn. However, the intermediate frequency quenching process using a single turn has several problems: 1. the hardness gradient is steep and cannot bear larger contact stress, impact and the like, 2, the hardness is uneven, and 3, the phenomena of cracks, cracking and tooth breakage are easy to occur.

Disclosure of Invention

In view of this, the utility model aims at providing a quenching ring, aims at overcoming the production efficiency that exists among the current quenching is lower, hardness is inhomogeneous, the easy crackle that appears, fracture, the defect such as collapsing tooth.

In order to achieve the purpose of the utility model, the technical proposal is as follows:

a quenching ring comprises a water spraying ring, an induction heating ring and a supporting plate;

the water spraying ring is provided with an annular cavity capable of containing cooling water, a first heat-dissipation water service pipe, a second heat-dissipation water service pipe and a third heat-dissipation water service pipe are fixedly communicated with the outer wall of the annular cavity, the inner wall of the annular cavity comprises an annular water spraying curved surface, and the annular water spraying curved surface is provided with water outlet holes which are uniformly distributed;

the induction heating ring comprises an induction heating ring main body which is bent into an unsealed circular shape by a red copper square tube, and a high-frequency induction coil is wound outside the induction heating ring main body;

the support plates comprise two L-shaped support plates which are axially symmetrically arranged and a fixed block which is fixedly connected with the two L-shaped support plates, the two L-shaped support plates are respectively and fixedly connected with two ends of the induction heating ring main body, and insulation plates are arranged between the two L-shaped support plates and between unclosed gaps of the main body to prevent the induction heating ring from short circuit in work;

the water spraying ring is overlapped with the axial lead of the induction heating ring, the water spraying ring is arranged outside the induction heating ring, and the water spraying ring is fixed on the fixing block through symmetrically arranged screws.

Preferably, the second heat-dissipating water service pipe and the third heat-dissipating water service pipe are symmetrically distributed along a vertical center line of the two electrode connecting rods, and the first heat-dissipating water service pipe is arranged along the vertical center line of the second heat-dissipating water service pipe and the third heat-dissipating water service pipe.

Preferably, the included angle between the annular water spraying curved surface and the circular section of the water spraying ring is 4-15 degrees.

Preferably, the parallel distance between the water spraying ring and the induction heating ring is 2-8 mm.

Preferably, three rows of water outlet holes are formed.

Preferably, the diameter of the water spray hole is 1-3 mm.

Preferably, the screw is provided with an insulating sleeve to prevent short circuit of the induction heating coil during operation.

Preferably, the L-shaped supporting plate is evenly provided with mounting holes on the bottom surface for fixing the utility model on the working position.

The utility model has the advantages that the support plate comprises two L-shaped support plates which are symmetrically arranged along the axial direction and a fixed block which is fixedly connected with the two L-shaped support plates, the two L-shaped support plates are respectively and fixedly connected with both ends of the induction heating ring main body, and insulation plates are arranged between the two L-shaped support plates and between the unclosed gaps of the main body, thereby preventing the induction heating ring from generating short circuit during working; the water spraying ring and the induction heating ring of the utility model are separated, the axial lead of the water spraying ring is coincided with the axial lead of the induction heating ring, the water spraying ring is arranged outside the induction heating ring, and the water spraying ring is fixed on the fixed block through symmetrically arranged screws; the annular water spraying curved surface has a certain inclination, so that the distribution area of water outlet holes can be increased, the water outlet quantity of the annular water spraying curved surface is increased, and the workpiece is cooled; the utility model discloses the finished product hardness of completion is even, intensity and hardness that can effectual improvement spare part, and the suitability is good, and the practicality is strong.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:

FIG. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of a second perspective three-dimensional structure of the present invention.

Detailed Description

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

Example 1

As shown in fig. 1 and 2, a quenching ring comprises a water spraying ring 1, an induction heating ring 2 and a support plate 4;

the water spraying ring 1 is provided with an annular cavity capable of containing cooling water, a first heat-dissipation water through pipe 12, a second heat-dissipation water through pipe 13 and a third heat-dissipation water through pipe 14 are fixedly arranged on the outer wall of the annular cavity and communicated with the inside of the annular cavity, the inner wall of the annular cavity comprises an annular water spraying curved surface 11, and the annular water spraying curved surface 11 is provided with water outlet holes 111 which are uniformly distributed in the circumferential direction;

the induction heating ring 2 comprises an induction heating ring 2 main body which is formed by bending a red copper square tube into an unsealed circular shape, and a high-frequency induction coil 21 is wound outside the induction heating ring 2 main body;

the support plate 4 comprises two L-shaped support plates which are axially symmetrically arranged and a fixed block 41 which is fixedly connected with the two L-shaped support plates, the two L-shaped support plates are respectively and fixedly connected with two ends of the main body of the induction heating ring 2, insulating plates 3 are arranged between the two L-shaped support plates and between unclosed gaps of the main body to prevent the induction heating ring 2 from short circuit during working, positive and negative electrode plates are respectively fixed on the L-shaped support plates, and electrode connecting rods 42 are respectively and fixedly connected on the positive and negative electrode plates;

the axis lines of the water spraying ring 1 and the induction heating ring 2 are overlapped, the water spraying ring 1 is arranged outside the induction heating ring 2, and the water spraying ring 1 is fixed on the fixing block 41 through symmetrically arranged screws.

The parallel distance between the water spraying ring 1 and the induction heating ring 2 is 2 mm.

Example 2

Based on the structure of embodiment 1, embodiment 2 differs from embodiment 1 in that, in embodiment 2, the second heat-radiation water passage pipe 13 and the third heat-radiation water passage pipe 14 are symmetrically distributed along the vertical center line of the two-electrode link 42, and the first heat-radiation water passage pipe 12 is provided along the vertical center line of the second heat-radiation water passage pipe 13 and the third heat-radiation water passage pipe 14; the included angle between the annular water spraying curved surface and the circular section of the water spraying ring is 4 degrees, and the parallel distance between the water spraying ring 1 and the induction heating ring 2 is 5 mm.

Example 3

Based on the structure of the embodiment 2, the difference between the embodiment 3 and the embodiment 2 is that in the embodiment 3, an included angle between the annular water spraying curved surface and the circular cross section of the water spraying ring is 10 °, a parallel distance between the water spraying ring 1 and the induction heating ring 2 is 8mm, three rows of the water outlet holes 111 are provided, and the diameter of the water spraying holes is 1 mm.

Example 4

Based on the structure of the embodiment 3, the difference between the embodiment 4 and the embodiment 3 is that in the embodiment 4, the included angle between the annular water spray curved surface and the circular section of the water spray ring is 15 °, and the diameter of the water spray hole is 2 mm.

Example 5

Based on the structure of the embodiment 3, the only difference between the embodiment 5 and the embodiment 3 is that in the embodiment 5, the diameter of the water spraying hole is 3 mm.

In embodiments 1 to 5, the screws are all provided with insulating sleeves to prevent short circuit when the induction heating coil 2 works; the L-shaped supporting plate is evenly provided with mounting holes 43, which is used for fixing the utility model on the working position.

The working principle is as follows: the utility model is fixed on the working position through the mounting hole 43, the electrode connecting rod 42 is used for connecting a wire to provide power for the induction heating coil 2, so that the induction heating coil 2 can heat the workpiece; the first heat-dissipation water pipe 12, the second heat-dissipation water pipe 13 and the third heat-dissipation water pipe 14 of the water spray ring 1 are butted with corresponding conveying pipes, a workpiece is placed in a central gap between the water spray ring 1 and the induction heating ring 2, the workpiece is adjusted to enable the axis line of the workpiece to be coincident with the axis line of the induction heating ring 2, then the workpiece penetrates through the water spray ring 1 and the induction heating ring 2 along the axis lines of the water spray ring 1 and the induction heating ring 2 at a certain speed, the workpiece is heated when passing through the induction heating ring 2, and then the workpiece is quenched when passing through the water spray ring 1. In the process that the induction heating ring 2 heats the workpiece, the cooling pure water uninterruptedly enters the water spraying ring 1 through the first heat-dissipation water pipe 12, the second heat-dissipation water pipe 13 and the third heat-dissipation water pipe 14, so that the cooling of the water spraying ring 1 is ensured. The finished product can effectively improve the strength and hardness of parts, and has good applicability and strong practicability.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement, component separation or combination made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a quenching circle, includes water spray ring, induction heating circle and backup pad, its characterized in that:

the water spraying ring is provided with an annular cavity capable of containing cooling water, a first heat-dissipation water service pipe, a second heat-dissipation water service pipe and a third heat-dissipation water service pipe are fixedly communicated with the outer wall of the annular cavity, the inner wall of the annular cavity comprises an annular water spraying curved surface, and water outlet holes which are uniformly distributed in the circumferential direction are formed in the annular water spraying curved surface;

the support plates comprise two L-shaped support plates which are axially symmetrically arranged and a fixed block which is fixedly connected with the two L-shaped support plates, the two L-shaped support plates are respectively and fixedly connected with two ends of the induction heating ring main body, insulating plates are arranged between the two L-shaped support plates and between unclosed gaps of the main body, positive and negative electrode plates are respectively fixed on the L-shaped support plates, and electrode connecting rods are respectively and fixedly connected on the positive and negative electrode plates;

2. A quench ring according to claim 1, characterized in that: the second heat-dissipation water service pipe and the third heat-dissipation water service pipe are symmetrically distributed along the vertical center line of the two electrode connecting rods, and the first heat-dissipation water service pipe is arranged along the vertical center line of the second heat-dissipation water service pipe and the vertical center line of the third heat-dissipation water service pipe.

3. A quench ring according to claim 1, characterized in that: the included angle between the annular water spraying curved surface and the circular section of the water spraying ring is 4-15 degrees.

4. A quench ring according to claim 1, characterized in that: the parallel interval between water spray ring and the induction heating ring is 2 ~ 8 mm.

5. A quench ring according to claim 1, characterized in that: three rows of water outlet holes are formed.

6. A quench ring according to claim 1, characterized in that: the diameter of the water outlet hole is 1-3 mm.

7. A quench ring according to claim 1, characterized in that: and the screws are all provided with insulating sleeves.

8. A quench ring according to claim 1, characterized in that: the bottom surface of the L-shaped supporting plate is uniformly provided with mounting holes.