CN214444307U

CN214444307U - Gear ring intermediate frequency heating device

Info

Publication number: CN214444307U
Application number: CN202120542052.7U
Authority: CN
Inventors: 李宇伟
Original assignee: Jiangyin Tongfang Machinery Parts Manufacturing Co ltd
Current assignee: Jiangyin Tongfang Machinery Parts Manufacturing Co ltd
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2021-10-22
Anticipated expiration: 2031-03-16

Abstract

The utility model relates to a gear ring intermediate frequency heating device, which comprises a frame, a workbench, a heating mechanism and a lifting mechanism, wherein the heating mechanism and the lifting mechanism are fixed at the top of the frame; a heating port is arranged outside the heater; a medium-frequency heating coil is arranged in the heater; the upper yoke iron and the lower yoke iron are arranged on one side of the heating opening; the lifting mechanism comprises a turnover cover and a balancing weight; the turnover cover is arranged at the top of the heater; the middle part of the turnover cover is hinged with the top of the heater; the counterweight block is fixed at the bottom of one end of the flip; the other end of the flip is hinged with the upper yoke iron; the workbench is arranged on one side of the lower yoke iron, which is far away from the heater; two sides of the workbench extend to two ends of the heating port, and two ends of the workbench are fixed on the frame; a control cabinet is fixed below the workbench. The utility model discloses can heat the ring gear fast, convenient and fast, and can not cause the ring gear to warp, utilize the balancing weight to keep the yoke and have certain clearance with lower yoke, the flexibility is higher, convenient operation.

Description

Gear ring intermediate frequency heating device

Technical Field

The utility model relates to a heating device technical field, especially a ring gear intermediate frequency heating device.

Background

In some engines, the flywheel assembly is assembled by press-fitting the ring gear onto the flywheel by interference fit. When the gear ring is installed, one side of the gear ring is heated firstly, so that the gear ring is heated to expand, the inner diameter of the gear ring is increased, then the gear ring is sleeved on a preset position of the flywheel, and the inner diameter of the gear ring is contracted after the gear ring is cooled and is fixed on the flywheel. General enterprises utilize a heating furnace to heat the gear ring, but the heating furnace can cause the problems of overlong heating time, unsuitability for small-batch production and the like, and the production efficiency is hindered. There are also companies that flame heat gear rings, but this can create problems with gear ring distortion and unacceptable mechanical properties.

It is therefore desirable to provide a ring gear heating apparatus that can be performed quickly.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ring gear intermediate frequency heating device can heat the ring gear fast.

In order to achieve the purpose of the utility model, a gear ring intermediate frequency heating device is provided, which comprises a frame, a workbench, a heating mechanism and a lifting mechanism, wherein the heating mechanism and the lifting mechanism are fixed at the top of the frame,

the heating mechanism comprises a heater, an upper yoke iron and a lower yoke iron; a heating port is arranged on the outer side of the heater; the heating port is used for placing a part to be heated; a medium-frequency heating coil is arranged in the heater and used for heating the part; the upper yoke iron and the lower yoke iron are in the same vertical direction and are arranged on one side of the heating port; the upper yoke iron and the lower yoke iron are used for sealing magnetic lines generated by the coil in the heating port, restraining leakage flux at the heating port from diffusing outwards and improving the speed of induction heating;

the lifting mechanism comprises a turnover cover and a balancing weight; the flip cover is arranged at the top of the heater; the middle part of the flip is hinged with the top of the heater; the counterweight block is fixed at the bottom of one end of the flip cover; the other end of the flip is hinged with the upper yoke iron;

the workbench is arranged on one side of the lower yoke iron, which is far away from the heater; the top surface of the workbench is concave, two sides of the workbench extend to two ends of the heating port, and the two ends of the workbench are fixed on the rack; and a control cabinet is fixed below the workbench and electrically connected with the heater.

Preferably, two sides of the heating opening are provided with limiting blocks; the surface of the limiting block facing the outside of the heating opening is an arc surface.

Preferably, an inclined surface is fixed at a position of the workbench adjacent to the lower yoke.

Preferably, two symmetrical limiting frames are fixed on the workbench; the longitudinal section of the limiting frame is L-shaped.

Preferably, the lifting mechanism further comprises a handle, and the handle is arranged on the flip cover at one end of the upper yoke.

The working principle is as follows: a kind of gear ring intermediate frequency heating device, after putting the gear ring on the work station, promote the gear ring, the gear ring loops through the inclined plane, interval and limited block of upper yoke iron and lower yoke iron, enter into the heating port, the gear ring on the work station is adhered to the limited block, can make the gear ring put in the predetermined heating position, then pull down the hand grip, make the upper yoke iron contact with lower yoke iron, after opening the switch of the control cabinet, because after the heating coil is electrified, the heating coil forms the closed loop with upper yoke iron 4 and lower yoke iron 3, the upper yoke iron 4 and lower yoke iron 3 attraction increases, the attraction is greater than the gravity of the counterweight, so make the upper yoke iron contact closely with lower yoke iron, because the heating coil of intermediate frequency is equipped with inside the heater, after the electrification carry on the induction heating to the gear ring in the heating port, after the heating is finished, after the outage, pull up the hand grip, take out the gear ring, can keep the height of the upper yoke iron by lever principle, and enabling the next gear ring to be heated to enter the heating port.

The utility model relates to a ring gear intermediate frequency heating device compares with prior art and has following advantage:

(1) the intermediate-frequency heating coil can be used for rapidly heating the gear rings, and can be in interference fit with the flywheel without heating all the gear rings, so that energy is saved;

(2) a certain gap is kept between the upper yoke and the lower yoke by using the lifting mechanism, so that the next gear ring to be heated can conveniently enter the heating port, the operation is convenient, and the automation is high;

(3) the design is simple, and easy to use.

Drawings

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

fig. 2 is a side view of the present invention;

FIG. 3 is an enlarged view of the inside of the heating port;

fig. 4 is a schematic view of the present invention during operation.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments.

As shown in figures 1-4, a gear ring intermediate frequency heating device comprises a frame 1, a workbench 6, a heating mechanism and a lifting mechanism fixed on the top of the frame 1,

the heating mechanism comprises a heater 2, an upper yoke iron 4 and a lower yoke iron 3; a heating port 21 is formed in the outer side of the heater 2, and the heating port 21 is used for placing a part to be heated; a medium-frequency heating coil is arranged in the heater 2 and used for heating parts; the upper yoke iron 4 and the lower yoke iron 3 are arranged in the same vertical direction and are arranged on one side of the heating opening 21, and the upper yoke iron 4 and the lower yoke iron 3 are used for sealing magnetic lines generated by the coil in the heating opening 21, restricting leakage flux at the heating opening 21 from diffusing outwards and improving the speed of induction heating;

the lifting mechanism comprises a turnover cover 5 and a balancing weight 51; the flip cover 5 is arranged on the top of the heater 2; the middle part of the flip cover 5 is hinged with the top of the heater 2; the counterweight block 51 is fixed at the bottom of one end of the flip cover 5; the other end of the flip 5 is hinged with the upper yoke 4, the flip 5 rotates to control the upper yoke 4 to move up and down, and the counterweight 51 can use the hinged position of the flip 5 and the heater 2 as a fulcrum by virtue of self gravity, and a certain gap is kept between the upper yoke 4 and the lower yoke 3 by utilizing a lever principle; pressing down a flip cover 5 above an upper yoke iron 4 to enable the upper yoke iron 4 to descend to be in contact with a lower yoke iron 3, after the heating coil is electrified, the heating coil, the upper yoke iron 4 and the lower yoke iron 3 form a closed loop, the attraction force of the upper yoke iron 4 and the lower yoke iron 3 is increased, and the attraction force is larger than the gravity of a balancing weight 51, so that the upper yoke iron 4 is in close contact with the lower yoke iron 3, after the power is cut off, the attraction force of the upper yoke iron 4 and the lower yoke iron 3 is reduced, and the attraction force is smaller than the gravity of the balancing weight 51, so that the upper yoke iron 4 is kept at a preset position and cannot fall onto the lower yoke iron 3;

the workbench 6 is arranged on one side of the lower yoke iron 3 far away from the heater 2; the top surface of the workbench 6 is concave, two sides of the workbench 6 extend to two ends of the heating port 21 and are fixed on the frame 1, and the workbench 6 is used for placing parts to be processed; a control cabinet 7 is fixed below the workbench 6, the control cabinet 7 is electrically connected with the heater 2, and the heating time and the heating temperature of the heater 2 can be controlled through the control cabinet 7.

In this embodiment, two sides of the heating opening 21 are provided with a limiting block 22; the height of one end of the limiting block 22 close to the lower yoke 3 is higher than the heating surface of the heating opening 21, and the rest part of the limiting block 22 and the heating surface of the heating opening 21 are in the same horizontal position; the surface of the limiting block 22 facing the outside of the heating opening 21 is an arc surface; the limiting block 22 prevents the part from being not placed at the correct position of the heating opening 21 during working, heating is insufficient, and the cambered surface of the limiting block 22 facilitates the part to enter the heating opening 21.

In this embodiment, an inclined surface 61 is fixed at a position where the workbench 6 is adjacent to the lower yoke 3, and the inclined surface 61 is used for making up for a height difference between the workbench 6 and the lower yoke 3, so as to facilitate pushing parts on the workbench 6 onto the lower yoke 3.

In this embodiment, two symmetrical limiting frames 62 are fixed on the worktable 6; the longitudinal section of the limiting frame 62 is L-shaped, and the limiting frame 62 is used for limiting the position of a part in work and preventing the part from entering the heating port 21 and deviating from a preset position to damage the part.

In this embodiment, the lifting mechanism further includes a handle 52, the handle 52 is disposed on the flip 5 at one end of the upper yoke 4, and the handle 52 facilitates manual pressing of the flip 5 and pulling up of the flip 5.

The utility model discloses practical method: after the gear ring is placed on the workbench 6, the gear ring is pushed, the gear ring sequentially passes through the inclined surface 61, the gap between the upper yoke iron 4 and the lower yoke iron 3 and the limiting block 22 and enters the heating opening 21, the gear ring on the workbench 6 is tightly attached to the limiting frame 62, the gear ring can be placed at a preset heating position, then the handle 52 is pulled down, the upper yoke iron 4 is in contact with the lower yoke iron 3, the switch of the control cabinet 7 is opened, the heater 2 starts to heat, after the heating is completed, the handle 52 is pulled up, the gear ring can be taken out, and the gear ring can be sleeved on the flywheel due to the fact that the inner diameter of the gear ring is increased.

While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited to the embodiments disclosed, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention, and such equivalents and substitutions are intended to be included within the scope of the invention as defined by the appended claims.

Claims

1. A gear ring intermediate frequency heating device is characterized by comprising a frame, a workbench, a heating mechanism and a lifting mechanism which are fixed at the top of the frame,

the heating mechanism comprises a heater, an upper yoke iron and a lower yoke iron; a heating port is arranged on the outer side of the heater; a medium-frequency heating coil is arranged in the heater; the upper yoke iron and the lower yoke iron are in the same vertical direction and are arranged on one side of the heating port;

the workbench is arranged on one side of the lower yoke iron, which is far away from the heater; the top surface of the workbench is concave, two sides of the workbench extend to two ends of the heating port, and the two ends of the workbench are fixed on the rack; a control cabinet is fixed below the workbench; the control cabinet is electrically connected with the heater.

2. The gear ring intermediate frequency heating device according to claim 1, wherein limiting blocks are arranged on two sides of the heating port; the surface of the limiting block facing the outside of the heating opening is an arc surface.

3. A ring gear intermediate frequency heating apparatus according to claim 2, wherein a slope is fixed to the table at a position adjacent to the lower yoke.

4. The gear ring intermediate frequency heating device according to any one of claims 1 to 3, wherein two symmetrical limiting frames are fixed on the workbench; the longitudinal section of the limiting frame is L-shaped.

5. The ring gear intermediate frequency heating apparatus according to claim 4, wherein the lifting mechanism further comprises a handle provided on the flip at one end of the upper yoke.