CN216639587U

CN216639587U - Quenching inductor with adjustable local spacing

Info

Publication number: CN216639587U
Application number: CN202123206989.6U
Authority: CN
Inventors: 王宏; 张璟; 王雅楠
Original assignee: Xi'an Zhongyibo Microelectronics Co ltd
Current assignee: Xi'an Zhongyibo Microelectronics Co ltd
Priority date: 2021-12-20
Filing date: 2021-12-20
Publication date: 2022-05-31
Anticipated expiration: 2031-12-20

Abstract

The utility model provides a quenching inductor with an adjustable local spacing, which comprises a supporting column, an inductor and a cooling pipe, wherein the supporting column is arranged on the upper surface of the inductor; the cooling device comprises two support columns, an inductor, a connecting piece, a cooling pipe, a first water receiving port, a second water receiving port, a first water outlet, a second water outlet, a first water outlet and a second water outlet, wherein the first water outlet is arranged on the inner ring surface of the cooling pipe; wherein, a plurality of longitudinally extending long holes are arranged on the two supporting columns, and the connecting piece transversely passes through each long hole. According to the quenching inductor with the adjustable local spacing, the plurality of long holes extending longitudinally are formed in the supporting columns, so that the inductor penetrates through the long holes through the connecting pieces to be connected with the supporting columns, when different variable-diameter workpieces in different batches are subjected to induction quenching, the distribution density of the inductor can be adjusted according to the shape of each batch of variable-diameter workpieces, and the induction heating distribution of the variable-diameter workpieces is uniform.

Description

Quenching inductor with adjustable local spacing

Technical Field

The utility model belongs to the field of heat treatment equipment, and particularly relates to a quenching inductor with an adjustable local spacing.

Background

The inventor has previously applied for a patent with the patent number of 200820222226.6 named as 'integral penetration quenching inductor', the integral penetration quenching inductor mainly adopts an integral penetration quenching mode, can heat and preserve heat of integral roller workpieces, is uniform in heating, short in high-temperature heating time, can carry out all-dimensional liquid spraying quenching on the roller workpieces, is energy-saving and environment-friendly, high in working efficiency, does not need to move in the heating and quenching process of the roller workpieces, is small in burning loss and small in deformation of the quenched roller workpieces, and is good in internal metallographic structure and high in workpiece quality. However, when multiple batches of reducing workpieces are subjected to spray quenching, because the distribution conditions of the thin diameter part and the thick diameter part on each batch of reducing workpieces are inconsistent, the heating degrees of different positions of the reducing workpieces are inconsistent when the reducing workpieces of different batches are subjected to induction heating by the inductor, and the heat treatment quality and performance of two ends of the workpieces are easily inconsistent when the reducing workpieces are subjected to spray quenching.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is an object of the present invention to provide a locally adjustable pitch quench inductor that overcomes or at least partially solves or alleviates the above problems.

The utility model provides a quenching inductor with an adjustable local spacing, which comprises a supporting column, an inductor and a cooling pipe, wherein the supporting column is provided with a plurality of supporting columns; the two support columns are vertically arranged in parallel, the inductor is of a spiral structure and is vertically fixed between the two support columns through a connecting piece, wiring ends are arranged at the upper end and the lower end of the inductor, the cooling pipe is arranged along the lower side of the inductor, water spray holes are uniformly formed in the surface of an inner ring of the cooling pipe, and first water receiving openings are formed in the upper end and the lower end of the cooling pipe;

the two support columns are provided with a plurality of longitudinally extending long holes, and the connecting piece transversely penetrates through each long hole.

The utility model also has the following optional features.

Optionally, the connecting member is a bolt group, one end of a screw in the bolt group is fixed to the outer side of the inductor, and the end of the screw passes through the long hole in the supporting column and then is connected with a nut.

Optionally, the cooling pipe is divided into a plurality of sections, and the upper end and the lower end of each section of the cooling pipe are provided with the first water receiving openings.

Optionally, the inductor is a hollow copper pipe with a rectangular cross section, and the upper end and the lower end of the inductor are both provided with second water receiving ports.

Optionally, the cooling pipe is a rectangular hollow copper pipe having the same width as the inductor, and the upper surface of each section of the cooling pipe is tightly attached to the lower surface of the inductor.

According to the quenching inductor with the adjustable local spacing, the plurality of long holes extending longitudinally are formed in the supporting columns, so that the inductor penetrates through the long holes through the connecting pieces to be connected with the supporting columns, when different batches of different reducing workpieces are subjected to induction heating, the distribution density of the inductor can be adjusted according to the shape of each batch of the reducing workpieces, the induction heating distribution of the reducing workpieces is uniform, the quenching degree is consistent from bottom to top during quenching, and the heat treatment quality and performance of two ends of the workpieces are consistent.

Drawings

FIG. 1 is a schematic structural diagram of a quenching inductor with adjustable local spacing according to the present invention;

FIG. 2 is a schematic structural diagram of another embodiment of the quenching inductor with adjustable local spacing according to the present invention.

In the above figures: 1, supporting a column; 101 long holes; 2, an inductor; 201 a terminal; 202 a second water receiving port; 3, cooling the pipe; 301 water spray hole; 302 a first water receiving port; 4, connecting pieces.

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Detailed Description

Example 1

Referring to fig. 1 and 2, an embodiment of the present invention provides a quenching inductor with an adjustable local spacing, including a supporting pillar 1, an inductor 2, and a cooling pipe 3; the two support columns 1 are vertically arranged in parallel, the inductor 2 is of a spiral structure and is vertically fixed between the two support columns 1 through a connecting piece 4, wiring ends 201 are arranged at the upper end and the lower end of the inductor 2, the cooling pipe 3 is arranged along the lower side of the inductor 2, water spray holes 301 are uniformly formed in the surface of an inner ring of the cooling pipe 3, and first water receiving openings 302 are formed in the upper end and the lower end of the cooling pipe 3;

a plurality of longitudinally extending long holes 101 are formed in each of the two support columns 1, and the connecting member 4 transversely penetrates through each of the long holes 101.

Inductor 2 is the vertical fixing of heliciform between two support columns 1, and the work piece that is treated heat is located inductor 2's helical structure's axis position, and after the wiring end 201 power supply through inductor 2 both ends, inductor 2 produces the magnetic induction line that intensity and direction constantly change, makes reducing work piece electromagnetic induction, and the heating after the electric current that produces in the reducing work piece. Because the diameters of all sections of the reducing workpiece are different, the heating intensity required by all sections of the reducing workpiece is also different, and the induced current of all sections of the corresponding reducing workpiece can be adjusted by adjusting the distribution density of the inductors 2 with the spiral structures, so that the induction heating temperature of all sections of the reducing workpiece can be ensured to be the same. When the distribution density of a certain position of the inductor 2 is adjusted, the connecting piece 4 corresponding to the certain position of the inductor 2 can be unscrewed, the upper and lower positions of the connecting piece 4 in the longitudinally extending long hole 101 are adjusted, and then the connecting piece 4 is screwed, so that the distribution density of the spiral structure of the inductor 2 can be adjusted. The cooling pipe 3 is fixed between the two support columns 1 in a spiral structure, after the heating of the workpiece is stopped, the cooling pipe 3 is filled with water through the first water receiving port 302, and then cooling water can be sprayed to the workpiece from the water spraying holes 301 on the inner side of the cooling pipe 3, so that the quenching is realized. Further ensuring that the quenching degree of the workpiece is approximately same from bottom to top and ensuring that the heat treatment quality and the performance of the two ends of the workpiece are approximately same.

Example 2

Referring to fig. 1 and 2, on the basis of embodiment 1, the connecting member 4 is a bolt set, one end of a screw in the bolt set is fixed on the outer side of the inductor 2, and the end of the screw passes through the long hole 101 on the supporting column 1 and then is connected with a nut.

The root of the screw is welded and fixed on the outer side of the inductor 2, the screw transversely penetrates through the long hole 101 in the support column 1 from inside to outside, and the part of the end part of the screw, which extends out of the long hole 101, is connected with the nut.

Example 3

Referring to fig. 1 and 2, on the basis of embodiment 1, the inductor 2 is a hollow copper pipe with a rectangular cross section, and the upper end and the lower end of the inductor 2 are both provided with second water receiving ports 202.

The cross section of the tube body of the inductor 2 is rectangular, a screw can be conveniently welded on the outer side surface of the inductor 2 to serve as a connecting piece 4, the end of the screw transversely extends out, and the screw penetrates through the long hole 101 in the support column 1 and then is connected with a nut or a bolt, and the support column 1 is made of insulation materials such as bakelite or ceramic.

Example 4

Referring to fig. 1 and 2, based on embodiment 3, the cooling tube 3 is a rectangular hollow copper tube having the same width as the inductor 2, and an upper surface of each section of the cooling tube 3 is closely attached to a lower surface of the inductor 2.

The material and the cross-sectional shape of each section of cooling pipe 3 are the same as those of the inductor 2, the upper surface of each section of cooling pipe 3 is welded with the lower surface of the inductor 2, and water is not supplied to each section of cooling pipe 3 before quenching and cooling the induction-heated workpiece, so that the cooling pipe can be used for conducting electricity for the inductor 2 and is cooled by cooling water in the inductor 2. Only when the inductor 2 is powered off and the workpiece needs quenching cooling, the first water receiving ports 302 at the upper end and the lower end of each cooling pipe 3 start to be filled with water, and the workpiece is cooled by spraying water through the water spraying holes 301.

Example 5

Referring to fig. 2, on the basis of embodiment 4, the cooling pipe 3 is divided into multiple sections, and the upper end and the lower end of each section of the cooling pipe 3 are provided with the first water receiving port 302.

The end parts of every two adjacent cooling pipes 3 are close to each other, so that quenching dead corners are avoided, the two ends of each section of cooling pipe 3 are respectively connected with the first water receiving port 302, and each section of cooling pipe 3 is independently connected with a water pump and a water tank, so that even if the distribution of the sensor 2 is not uniform, the water distribution of the water spraying holes 301 of the cooling pipes 3 can be ensured to be uniform by adjusting the power of the water pump when the workpiece is quenched and sprayed with water.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims. The components and structures of the present embodiments that are not described in detail are well known in the art and do not constitute essential structural elements or elements.

Claims

1. The quenching inductor with the adjustable local spacing is characterized by comprising a support pillar (1), an inductor (2) and a cooling pipe (3); the two support columns (1) are vertically arranged in parallel, the inductor (2) is of a spiral structure and is vertically fixed between the two support columns (1) through a connecting piece (4), wiring ends (201) are arranged at the upper end and the lower end of the inductor (2), the cooling pipe (3) is arranged along the lower side of the inductor (2), water spray holes (301) are uniformly formed in the surface of an inner ring of the cooling pipe (3), and first water receiving openings (302) are formed in the upper end and the lower end of the cooling pipe (3);

wherein, two all be provided with a plurality of longitudinal extension slot holes (101) on the support column (1), connecting piece (4) transversely pass through every slot hole (101).

2. The quenching inductor with adjustable local spacing according to claim 1, characterized in that the connecting piece (4) is a bolt set, one end of a screw in the bolt set is fixed on the outer side of the induction body (2), and the end of the screw passes through the long hole (101) on the supporting column (1) and then is connected with a nut.

3. The quenching inductor with adjustable local spacing according to claim 1, wherein the cooling pipe (3) is divided into multiple sections, and the first water receiving opening (302) is arranged at both the upper end and the lower end of each section of the cooling pipe (3).

4. The quenching inductor with adjustable local spacing according to claim 1, wherein the inductor (2) is a hollow copper tube with a rectangular cross section, and the upper and lower ends of the inductor (2) are provided with second water receiving ports (202).

5. The quenching inductor with adjustable local spacing according to claim 4, wherein the cooling pipe (3) is a rectangular hollow copper pipe with the same width as the inductor (2), and the upper surface of each section of the cooling pipe (3) is tightly attached to the lower surface of the inductor (2).