CN201560223U

CN201560223U - Gear simultaneous double-frequency induction quenching power supply

Info

Publication number: CN201560223U
Application number: CN2009201817067U
Authority: CN
Inventors: 王志明
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-12-15
Filing date: 2009-12-15
Publication date: 2010-08-25
Anticipated expiration: 2019-12-15

Abstract

The utility model relates to a gear simultaneous double-frequency induction quenching power supply mainly comprising resonant circuits which respectively generates high frequency and intermediate frequency. In the resonant circuit for generating high frequency, a rectification circuit is sequentially connected with a smoothing element, a series or parallel connected inverter network for outputting high frequency and a transformer matched with the series or parallel connected inverter network for outputting high frequency; in the resonant circuit for generating intermediate frequency, the rectification circuit is sequentially connected with the smoothing element, a series or parallel connected inverter network for outputting high frequency and a transformer matched with the series or parallel connected inverter network for outputting high frequency; one of the transformers is connected with a double-frequency coupler, and the other transformer is connected with a resonant capacitor; and the power supply is converged via the double-frequency coupler and the resonant capacitor and then is output from a quenching transformer which is further connected with an induction coil. The gear simultaneous double-frequency induction quenching power supply is used for the quenching of gears, and can obtain quenching hardness of imitating tooth profile in a short time, thereby obtaining smaller deformation and greatly reducing the thermal treatment technological cost.

Description

Gear is the double frequency induction power supply simultaneously

Technical field

The utility model relates to the gear thermal treatment unit, especially refers to adopt the power supply of two kinds of frequencies to realize the gear equipment of double frequency induction simultaneously.

Background technology

In Gear Production, the back-geared tooth of machining portion will make it sclerosis by thermal treatment.Main heat treating method has carburizing, nitriding, induction quenching.Induction quenching than preceding two kinds of methods have with in the material expense, process period is short, distortion is littler, energy-conservation, save advantages such as artificial and place.At present, known induction heating power is a kind of frequency, even the power supply that double frequency can take place is arranged, also is that non-synchronization takes place.So when the product of induction quenching thermal treatment such as gear class, when having the quench-hardened case shell of imitative gear profile for gear is produced, single-frequency, double frequency all can not produce the quench-hardened case of imitating gear profile simultaneously.

The utility model content

At the deficiencies in the prior art part, the utility model provides a kind of gear double frequency induction power supply simultaneously, the quenching of adopting this supply unit to be used for gear can produce the quench-hardened case of imitative gear profile, reach the hardness requirement at short notice, and the deflection of gear reduces obviously.

For achieving the above object, technical solutions of the utility model are:

A kind of gear is the double frequency induction power supply simultaneously, it comprises that mainly the resonant tank of IF-FRE takes place a resonant tank and that the high frequency frequency takes place, and the resonant tank of described generation high frequency frequency is to connect the transformer that the inversion network and of the serial or parallel connection of a flat ripple element, an output high frequency mates with the inversion network of the serial or parallel connection of this output high frequency in regular turn by rectifying circuit; The resonant tank of described generation IF-FRE is to connect the transformer that the inversion network and of the serial or parallel connection of a flat ripple element, an output intermediate frequency mates with the inversion network of the serial or parallel connection of this output intermediate frequency in regular turn by rectifying circuit; An above-mentioned wherein transformer is connected with the double frequency coupling mechanism, and another transformer is connected with resonant capacitance; From induction hardening transformer output, this induction hardening transformer also connects an induction coil after the power supply of double frequency coupling mechanism and resonant capacitance converges.

The usefulness of technique scheme is:

The utility model supply unit comprises that the resonant tank of IF-FRE takes place a resonant tank and that the high frequency frequency takes place.The resonant tank of the resonant tank of described generation high frequency frequency and generation IF-FRE can be series, parallel or series and parallel arbitrary combination mode.One of them inverter is only arranged through the double frequency coupling mechanism, two frequency synthesis of Chan Shenging are dual frequency power supplies then, export to induction coil through induction hardening transformer, are used for gear quenching.For realizing the quenching of imitative flank profil, the power proportions that can regulate high frequency and intermediate frequency as required.Adopt this supply unit to be used for the quenching of gear, can obtain the quenching hardness of imitative gear profile at short notice, obtains littler deflection, significantly fall middle thermal treatment process cost.

Description of drawings

Fig. 1 is the schematic circuit diagram of the utility model embodiment one;

Fig. 2 is the schematic circuit diagram of embodiment two of the present utility model;

Fig. 3 is the schematic circuit diagram of embodiment three of the present utility model;

Fig. 4 is the quench-hardened case structural representation of the imitative flank profil of the utility model processing backgear.

Embodiment

Now with three embodiment the utility model is described in conjunction with the accompanying drawings.

A kind of gear is the double frequency induction power supply simultaneously, and it comprises that mainly the resonant tank of IF-FRE takes place a resonant tank and that the high frequency frequency takes place.The resonant tank of described generation high frequency frequency is connected the transformer that the inversion network and of the serial or parallel connection of a flat ripple element, an output high frequency mates with the inversion network of the serial or parallel connection of this output high frequency in regular turn by rectifying circuit.The resonant tank of described generation IF-FRE is connected the transformer that the inversion network and of the serial or parallel connection of a flat ripple element, an output intermediate frequency mates with the inversion network of the serial or parallel connection of this output intermediate frequency in regular turn by rectifying circuit.

Embodiment one as shown in Figure 1, three-phase alternating-current supply passes through rectifying

circuit

1,11 respectively, behind

flat ripple element

2,12 flat ripples, enter the series resonant inverter network 3 of an output intermediate frequency and the series resonant inverter network 13 of an output high frequency respectively, enter supporting matching

transformer

4,14 more separately.Matching transformer 4 output subsequently is connected with double frequency coupling mechanism 5, and matching transformer 14 is connected with resonant capacitance 15, and both are putting 10 and put 26 and converge, and the realization double frequency is exported.And, give gear workpiece 8 with the double frequency transmission ofenergy by an induction coil 7 through an induction hardening transformer 6 outputs, realize that the quench-hardened case 30 of the imitative flank profil of gear distributes.

Embodiment two as shown in Figure 2, three-phase alternating-current supply passes through rectifying

circuit

1,11 respectively, behind

flat ripple element

2,12 flat ripples, enter the series resonant inverter network 3 of an output high frequency and the series resonant inverter network 13 of an output intermediate frequency respectively, high-frequency inversion network 3 enters supporting matching transformer 4 again.Matching transformer 4 outputs subsequently are connected with

resonant capacitance

9, and 13 outputs of medium frequency inverter network are connected with electric capacity 24 again and are connected with double frequency coupling mechanism 5, and both converge at point 10: 26, realize double frequency output.And, give gear workpiece 8 with the double frequency transmission ofenergy by an induction coil 7 through an induction hardening transformer 6 outputs, realize that the quench-hardened case 30 of the imitative flank profil of gear as shown in Figure 4 distributes.

Embodiment three as shown in Figure 3, three-phase alternating-current supply passes through rectifying

circuit

1,21 respectively, behind

flat ripple element

2,22 flat ripples, enter the series resonant inverter network 3 of an output high frequency and the parallel inverter network 23 of an output intermediate frequency respectively, high-frequency inversion network 3 is connected with matching transformer 4 again, to point 26, put 10 through electric capacity 9.23 outputs of medium frequency inverter network are in parallel with electric capacity 24, arrive point 10 through double frequency coupling mechanism 5 again, point 26.The output of realization double frequency.And, give gear workpiece 8 with the double frequency transmission ofenergy by an induction coil 7 through an induction hardening transformer 6 outputs, realize that the quench-hardened case 30 of the imitative flank profil of gear as shown in Figure 4 distributes.

The resonant tank frequency of generation high frequency frequency recited above is at 10KHZ ∽ 1MHZ; The resonant tank frequency that IF-FRE takes place is at 1KHZ ∽ 100KHZ.

For realizing the quenching of the imitative flank profil of gear, the power that the resonant tank of high frequency frequency takes place can be regulated at 10% ∽ 100%; The power that the resonant tank of IF-FRE takes place also can be realized regulating at 10% ∽ 100%, and both can distribute different power proportions as required.For realizing the quenching of imitative flank profil, the power proportions that can regulate high frequency and intermediate frequency as required.

Claims

1. gear double frequency induction power supply simultaneously, be characterised in that: it comprises that mainly the resonant tank of IF-FRE takes place a resonant tank and that the high frequency frequency takes place, and the resonant tank of described generation high frequency frequency is to connect the transformer that the inversion network and of the serial or parallel connection of a flat ripple element, an output high frequency mates with the inversion network of the serial or parallel connection of this output high frequency in regular turn by rectifying circuit; The resonant tank of described generation IF-FRE is to connect the transformer that the inversion network and of the serial or parallel connection of a flat ripple element, an output intermediate frequency mates with the inversion network of the serial or parallel connection of this output intermediate frequency in regular turn by rectifying circuit; An above-mentioned wherein transformer is connected with the double frequency coupling mechanism, and another transformer is connected with resonant capacitance; From induction hardening transformer output, this induction hardening transformer also connects an induction coil after the power supply of double frequency coupling mechanism and resonant capacitance converges.

2. a kind of gear as claimed in claim 1 is the double frequency induction power supply simultaneously, it is characterized in that: the resonant tank of the resonant tank of described generation high frequency frequency and generation IF-FRE is two placed in-line resonant tanks or the resonant tank of two parallel connections or the resonant tank of series, parallel independent assortment.

3. a kind of gear as claimed in claim 2 is the double frequency induction power supply simultaneously, and it is characterized in that: the resonant tank frequency of described generation high frequency frequency is at 10KHZ ∽ 1MHZ; The resonant tank frequency that IF-FRE takes place is at 1KHZ ∽ 100KHZ.

4. as claim 2 or 3 described a kind of gears while double frequency induction power supplys, it is characterized in that: the power that the resonant tank of high frequency frequency takes place can be regulated at 10% ∽ 100%, and the power that the resonant tank of IF-FRE takes place can be regulated at 10% ∽ 100%.