A kind of gradual shaft coupling heating unit
[technical field]
The utility model relates to the technical field of shaft coupling production equipment, particularly a kind of technical field of shaft coupling heating unit.
[background technology]
Shaft coupling is a kind of special bearing pin for connecting between carrier bar, and itself performance has material impact the work-ing life to carrier bar, therefore need to heat-treat shaft coupling, and in existing shaft coupling heating unit, production efficiency is low, and temperature controls unstable.Therefore propose a kind of gradual shaft coupling heating unit, adopt intermediate frequency induction heating device, drive the mode of turntable rotation to carry out heat treated by rotating shaft, thus improve production efficiency greatly.
The principle of Frequency Induction Heating: workpiece is put in the inductor block that is placed on and is coiled into hollow copper tubing, inductor block is generally the hollow copper tubing of input intermediate frequency or high-frequency alternating current.Produce the induced current that alternating magnetic field produces same frequency within the workpiece, this induced current is uneven in the distribution of workpiece, strong on surface, and it is very weak in inside, to heart portion close to 0, utilize this surface action, workpiece surface can be made to heat rapidly, in seconds surface temperature rises to 800 ~ 1000 DEG C, and heart portion temperature raises very little.
[utility model content]
The purpose of this utility model solves the problems of the prior art exactly, proposes a kind of gradual shaft coupling heating unit, adopts revolving type of heating, and structure is simple, and good heat dissipation effect, improves production efficiency greatly.
For achieving the above object, the utility model proposes a kind of gradual shaft coupling heating unit, comprise rotating disk, worktable, intermediate frequency induction heating device, rotating shaft, described rotating disk lower end is connected with worktable, the lower end of described worktable is fixedly connected with rotating shaft, described rotating shaft lower end is provided with base, described intermediate frequency induction heating device is provided with power control pod with middle frequency, described power control pod with middle frequency lower end is connected with heating inductor, described rotating disk comprises outer shroud and inner ring, described outer shroud be circumferentially provided with some workpiece installing holes, in described workpiece installing hole, workpiece is installed, described inner ring be circumferentially provided with standing bolt, described rotating disk is fixedly connected with worktable by standing bolt, described heating inductor is positioned at directly over workpiece.
As preferably, the shape of described heating inductor is circular arc, and the outer rim in the vertical direction of heating inductor and rotating disk is mutually corresponding.
As preferably, the two sides of described power control pod with middle frequency are provided with nitrogen input channel.
As preferably, the axle center place of described rotating disk is provided with a circular groove, described circular groove be circumferentially provided with heat radiation aperture, alleviate the quality of rotating disk, there is certain radiating effect simultaneously.
As preferably, the quantity of described workpiece installing hole is 40 ~ 60.
The beneficial effects of the utility model: the utility model can carry out heating in batches to workpiece by the heating inductor of this revolving type of heating and circular arc, production efficiency obtains and promotes greatly, adopt intermediate frequency induction heating device, power factor is higher, has efficiency high, pollute the advantages such as little compared with traditional heating mode, the setting of heat radiation aperture and circular groove, alleviate the quality of rotating disk, reduce the demand of power, there is certain radiating effect simultaneously.
Feature of the present utility model and advantage will be described in detail by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is the main TV structure figure of a kind of gradual shaft coupling heating unit of the utility model;
Fig. 2 is the structural representation of the utility model rotating disk.
In figure: 1-rotating disk, 2-workpiece, 3-intermediate frequency induction heating device, 4-base, 5-rotating shaft, 6-worktable, 11-workpiece installing hole, 12-outer shroud, 13-inner ring, 14-standing bolt, 15-circular groove, 16-dispel the heat aperture, 31-power control pod with middle frequency, 32-heating inductor, 33-nitrogen input channel.
[embodiment]
Consult Fig. 1, Fig. 2, a kind of gradual shaft coupling heating unit of the utility model, comprise rotating disk 1, worktable 6, intermediate frequency induction heating device 3, rotating shaft 5, described rotating disk 1 lower end is connected with worktable 6, the lower end of described worktable 6 is fixedly connected with rotating shaft 5, described rotating shaft 5 lower end is provided with base 4, described intermediate frequency induction heating device 3 is provided with power control pod with middle frequency 31, described power control pod with middle frequency 31 lower end is connected with heating inductor 32, described rotating disk 1 comprises outer shroud 12 and inner ring 13, described outer shroud 12 be circumferentially provided with some workpiece installing holes 11, in described workpiece installing hole 11, workpiece 2 is installed, described inner ring 13 be circumferentially provided with standing bolt 14, described rotating disk 1 is fixedly connected with worktable 6 by standing bolt 14, described heating inductor 32 is positioned at directly over workpiece 2, the shape of described heating inductor 32 is circular arc, the outer rim in the vertical direction of heating inductor 32 and rotating disk 1 is mutually corresponding, the two sides of described power control pod with middle frequency 31 are provided with nitrogen input channel 33, the axle center place of described rotating disk 1 is provided with a circular groove 15, described circular groove 15 be circumferentially provided with heat radiation aperture 16, the quantity of described workpiece installing hole 11 is 40.
Utility model works process:
A kind of gradual shaft coupling heating unit of the utility model in the course of the work, shaft coupling is inserted in workpiece installing hole 11, red-tape operati platform, rotating shaft 5 is rotated, rotating shaft 5 is fixedly connected with worktable 6, rotating disk 1 is fixedly connected with worktable 6 by standing bolt 14, rotating shaft 5 drives worktable 6 to rotate, and then rotating disk 1 does the motion rotated together with worktable 6, heating inductor 32 is positioned at directly over workpiece 2, the shape of heating inductor 32 is circular arc, inside is provided with ruhmkorff coil, the circumferential outer edge in the vertical direction of heating inductor 32 and rotating disk 1 is mutually corresponding, the alternating-current of intermediate frequency is passed into by power control pod with middle frequency 31, utilize electromagnetic induction principle, workpiece surface formed same frequency induced current, piece surface is heated rapidly, this induced current is uneven in the distribution of workpiece 2, strong on surface, and it is very weak in inside, to heart portion close to zero, utilize this surface action, the heating rapidly of workpiece 2 surface can be made, the two sides of power control pod with middle frequency 31 arrange nitrogen input channel 33, pass through nitrogen, the air in internal interstices can be completely cut off, ensure that workpiece 2 surface can not produce oxidation, the axle center place of rotating disk 1 is provided with a circular groove 15, alleviate the quality of rotating disk 1, reduce the demand of power, described circular groove 15 be circumferentially provided with heat radiation aperture 16, there is certain radiating effect, the heating inductor of this revolving type of heating and circular arc can carry out the heating of batch to workpiece, the quantity of workpiece installing hole 11 is 40 simultaneously, compared with prior art, production efficiency obtains and promotes greatly, further, adopt Intermediate Frequency Induction Heating Equipment, power factor is higher, there is efficiency compared with traditional heating mode high, pollute the advantages such as little.
Above-described embodiment is to explanation of the present utility model, is not to restriction of the present utility model, anyly all belongs to protection domain of the present utility model to the scheme after the utility model simple transformation.