CN210765392U

CN210765392U - Heat treatment pipe

Info

Publication number: CN210765392U
Application number: CN201921062629.3U
Authority: CN
Inventors: 孙大地; 杨鹏飞; 赵阳永; 黄清
Original assignee: Zhejiang Evergreen Transmission Technology Co ltd
Current assignee: Zhejiang Evergreen Transmission Technology Co ltd
Priority date: 2019-07-09
Filing date: 2019-07-09
Publication date: 2020-06-16
Anticipated expiration: 2029-07-09

Abstract

The utility model provides a heat treatment pipe belongs to the machine-building technical field. It has solved the current problem that heat treatment pipe processing cost is high, and the heating effect is poor. The utility model discloses a pipe body, the body includes the installation department, connecting portion, induction heating portion, the installation department passes through the connecting piece and installs on high frequency heat treatment equipment, still be equipped with water inlet and delivery port on the installation department, connecting portion intercommunication installation department and induction heating portion form water circulation channel, induction heating portion is last still to be equipped with a plurality of hole for water spraying and a plurality of conductive graphite piece, the cladding of conductive graphite piece is in the induction heating portion surface and expose the hole for water spraying, still be equipped with the connection water pipe between the induction heating portion, the connection water pipe is with the two halves of the left and right sides intercommunication and the fixing of induction heating portion, two halves of the left and right. The utility model has the advantages of good heat treatment effect, low manufacturing cost and low processing difficulty.

Description

Heat treatment pipe

Technical Field

The utility model relates to the technical field of machine-building, specifically speaking relates to a heat treatment pipe.

Background

The high-frequency quenching is mostly used for surface quenching of industrial metal parts, and is a metal heat treatment method which enables the surface of a workpiece to generate certain induced current, quickly heats the surface of the part and then quickly quenches the part. Induction heating equipment, that is, equipment for induction heating a workpiece to perform surface quenching. Principle of induction heating: the workpiece is placed in an inductor (heat treatment tube) which is typically a hollow copper tube to which medium or high frequency alternating current (1000-. The alternating magnetic field is generated to generate induced current with the same frequency in the workpiece, the induced current is non-uniform in distribution on the workpiece, strong on the surface and weak in the inner part and close to 0 in the center part, the skin effect is utilized to rapidly heat the surface of the workpiece, the temperature of the inner surface rises to 800-. However, large inductors are required for processing large-sized parts, and heat treatment is not good for irregular large parts, especially large sprockets.

Patent publication No. CN106435108B discloses a high frequency heat treatment response stick, including connection site, tubulose middle section position, response position, cooling water backward flow end, conductive graphite layer and fixed plate, the connection site passes through the fixed plate and is connected with high frequency heat treatment equipment, tubulose middle section position, response position and cooling water backward flow end are through the pipe connection with outside water passageway intercoycle, the pipeline of circulation is including the inlet tube and the outlet pipe of installation fastening at connection site, the inlet tube and the outlet pipe at response position still center on there being the conductive graphite layer, the inlet tube or the outlet pipe center on the department leave the pipeline section that exposes with the space, be equipped with the hole for water spraying on the pipeline section that exposes. Although the induction rod can be suitable for heat treatment of large irregular parts like large gears, the induction rod still heats the outer ring of the externally wound gear, the heating effect is poor, the pipe body part is formed by bending and twisting a pipe body, the processing cost is high, the induction rod cannot be processed by one pipe body for certain special shapes, the sealing performance is poor and water leakage is easy to occur when welding is used, and in addition, the welding flux can be melted during high-frequency heating, so the processing requirement on the pipe body is high, and the yield is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a heat treatment pipe that processing effect is good, the processing degree of difficulty is low to the above-mentioned problem that exists among the prior art.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme: the utility model provides a heat treatment pipe, a serial communication port, includes the body, the body include installation department, connecting portion, induction heating portion, the installation department pass through the connecting piece and install on high frequency heat treatment equipment, the installation department on still be equipped with water inlet and delivery port, connecting portion intercommunication installation department and induction heating portion form water circulation channel, induction heating portion on still be equipped with a plurality of hole for water sprayings and a plurality of conductive graphite piece, conductive graphite piece cladding in induction heating portion surface and expose the hole for water sprayings, induction heating portion between still be equipped with the connection water pipe, the connection water pipe with induction heating portion about two halves intercommunication and fixed, induction heating portion about two halves and connection water pipe constitute the profile that matches sprocket or gear tooth form.

The utility model discloses a theory of operation: processing man-hour, two halves about processing the heat treatment pipe respectively, because two halves structures are the same and actually are same parts about the heat treatment pipe, machining efficiency is high, will control two halves again through the water service pipe link together can, compare a pipe distortion and process the degree of difficulty reduction many times, install this heat treatment pipe on high frequency heat treatment equipment, carry out heat treatment to large-scale sprocket or gear, then spray through the water jet hole to the work piece from the water inlet logical water. Adopt the setting of above-mentioned structure, can greatly reduced processing degree of difficulty, the cost is lower, can produce the dedicated model of suitable multiple gear or sprocket moreover, and heat treatment effect is better, and induction heating portion compares the structure of only surrounding the work piece outer lane with gear or sprocket profile of tooth matching, can all stretch into work piece tooth bottom position, and heating effect is better, and the delivery port can spout the profile of tooth part completely.

In the heat treatment pipe, the water spray holes are uniformly arranged at the profile of the induction heating part matched with the tooth form of the chain wheel or the gear.

In the above heat treatment pipe, the connecting water pipe is also provided with water spray holes.

In the above heat treatment pipe, the left and right halves of the connecting water pipe and the induction heating section are connected by a screw.

In the heat treatment tube, the conductive graphite blocks are uniformly arranged at the profile of the induction heating part matched with the tooth shape of the chain wheel or the gear.

Compared with the prior art, the heat treatment pipe adopting the technical scheme has the following beneficial effects: the utility model has the advantages of good heat treatment effect, low manufacturing cost and low processing difficulty.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

in the figure, 1, a tube body; 2. an installation part; 3. a connecting portion; 4. an induction heating section; 5. a water spray hole; 6. a conductive graphite block; 7. is connected with a water pipe.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1, the heat treatment pipe comprises a pipe body 1, the pipe body 1 comprises an installation part 2, a connection part 3, an induction heating part 4, the installation part 2 is installed on high-frequency heat treatment equipment through a connection part, the installation part 2 is further provided with a water inlet and a water outlet, the connection part 3 is communicated with the installation part 2 and the induction heating part 4 to form a water circulation channel, the induction heating part 4 is further provided with a plurality of water spray holes 5 and a plurality of conductive graphite blocks 6, the conductive graphite blocks 6 are wrapped on the outer surface of the induction heating part 4 and expose the water spray holes 5, a connection water pipe 7 is further arranged between the induction heating part 4, the connection water pipe 7 is used for communicating and fixing the left half part and the right half part of the induction heating part. The high-frequency heat treatment device is an existing device and is not described in detail. The water inlet and outlet are connected to a water supply source by water pipes or other means. The setting that body 1 divided two halves can reduce the processing degree of difficulty. The conductive graphite block 6 can improve the conductivity and is low in price.

In more detail, the water spray holes 5 are uniformly arranged at the profile of the induction heating part 4 matched with the tooth shape of the sprocket or the gear. By adopting the structure, the water can be sprayed to all parts of the tooth form of the gear or the chain wheel more uniformly, and the processing effect is good.

More specifically, the connecting water pipe 7 is also provided with water spray holes 5 so as to spray water to the tooth tips of the gears or sprockets.

Preferably, the left and right halves connecting the water pipe 7 and the induction heating section 4 are screwed together for easy installation and reduced processing cost.

Preferably, in order to make the heating more uniform, the conductive graphite blocks 6 are uniformly arranged where the induction heating section 4 matches the profile of the tooth profile of a sprocket or gear.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although terms such as the pipe body 1, the mounting portion 2, the connecting portion 3, the induction heating portion 4, the water jetting holes 5, the conductive graphite block 6, the connecting water pipe 7, etc. are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. A heat treatment pipe is characterized by comprising a pipe body (1), wherein the pipe body (1) comprises an installation part (2), a connection part (3) and an induction heating part (4), the installation part (2) is installed on high-frequency heat treatment equipment through a connecting piece, the installation part (2) is further provided with a water inlet and a water outlet, the connection part (3) is communicated with the installation part (2) and the induction heating part (4) to form a water circulation channel, the induction heating part (4) is further provided with a plurality of water spray holes (5) and a plurality of conductive graphite blocks (6), the conductive graphite blocks (6) are coated on the outer surface of the induction heating part (4) and expose the water spray holes (5), a connection water pipe (7) is further arranged between the induction heating part (4), and the connection water pipe (7) is used for communicating and fixing the left half part and the right half part of the induction heating part (4, the left half and the right half of the induction heating part (4) and the connecting water pipe (7) form a profile matched with the tooth shape of a chain wheel or a gear.

2. A heat treatment pipe according to claim 1, wherein the water spray holes (5) are uniformly arranged at the profile of the induction heating part (4) matching the tooth profile of a sprocket or a gear.

3. The heat treatment pipe according to claim 1, wherein the connecting water pipe (7) is also provided with water spray holes (5).

4. A heat-treated pipe according to claim 1, wherein the left and right halves connecting the water pipe (7) and the induction heating section (4) are connected by a screw.

5. A heat treatment tube according to claim 1, characterized in that the conductive graphite blocks (6) are uniformly arranged at the profile of the induction heating section (4) matching the tooth profile of a sprocket or a gear.