CN202830103U

CN202830103U - Spraying jacket of gear induction quencher

Info

Publication number: CN202830103U
Application number: CN2012205152261U
Authority: CN
Inventors: 钱晓辉; 路阳
Original assignee: SHANGHAI UNIVERSITY HEAT-TREATMENT Co Ltd
Current assignee: SHANGHAI UNIVERSITY HEAT-TREATMENT Co Ltd
Priority date: 2012-10-08
Filing date: 2012-10-08
Publication date: 2013-03-27
Anticipated expiration: 2022-10-08

Abstract

The utility model provides a spraying jacket of gear induction quencher. The spraying jacket comprises a lantern ring body, the inner wall of the lantern ring body comprises an upper tilt wall, a middle dropping wall and a lower tilt wall, a plurality of water spouts are densely distributed on the upper tilt wall and the lower tilt wall and are communicated with water inlet pipes arranged at two sides of the lantern ring body. When a spraying device is in use, a gear is placed on a rotating disk and enters a spraying zone for spraying water and quenching after being heated. The procedure steps are fewer, the spraying jacket is convenient for workers to operate as a wide opening is arranged, the spraying and quenching situations can be easily observed through the spraying jacket, the production efficiency and the product quality can be enhanced, and the reject ratio can be reduced.

Description

The water spray cover of gear induction quenching device

Technical field

The utility model relates to a kind of induction quenching technology that is applied in the gear preparation process, particularly relates to a kind of water spray cover of gear induction quenching device.

Background technology

Some part (such as gear interior) is being reversed when workpiece and the effect of the stress alternation such as crooked, impact load under, its upper layer is bearing the stress higher than heart section.In the occasion that is rubbed, upper layer also constantly is worn, and therefore some parts list surface layers is proposed the requirements such as high strength, high rigidity, high-wearing feature and high safe range of stress, only has surface strengthening could satisfy above-mentioned requirements.Because hard surfacing has the advantages such as distortion is little, productivity is high, therefore use aborning very extensive.Thereby quenching process is particularly necessary in the preparation process of a part.

Take gear as example, the gear quenching purpose is to make supercooled austenite carry out martensite or bainite transformation, obtain martensite or bainite structure, then cooperate the tempering with differing temps, with intensity, hardness, wear resistance, fatigue strength and the toughness etc. that significantly improve steel, thereby satisfy the different service requirementss of various mechanical component and instrument.The quenching principle of described gear when passing into the exchange current of certain frequency in the inductor block, namely produces alternating magnetic field for workpiece is put into inductor block (coil) on every side.The electromagnetic induction effect of alternating magnetic field makes the induced current eddy current that produces sealing in the workpiece.The distribution of induced current on the workpiece cross section is very inhomogeneous, and the workpiece surface current density is very high, inwardly reduces gradually, and this phenomenon is called surface action.The electric energy of workpiece surface high-density current changes heat energy into, and the temperature on top layer is raise, and namely realizes surface heating.Power frequency is higher, and workpiece surface is poor then larger with inner current density, and zone of heating is thinner.Rapidly cooling can realize hard surfacing after the zone of heating temperature surpasses the critical point temperature of steel.

In the prior art, the induction hardened mode of gear generally all is to adopt lower spray hardening liquid or all enter hardening liquid to quench.It is many that induction heating relief follower gear all enters the process that hardening liquid quenches, although product hardness can guarantee, intensity does not often reach requirement.Use is towards the method for lower spray quenching, the hardness of product and intensity can guarantee, but process is more, and because the opening of waterworks is little, be as shown in Figure 1, be shown as the structural representation of waterworks in the prior art, as shown in the figure, described waterworks is a water spray cover 1, be densely covered with the spout hole 12 of a plurality of connections both sides water inlet pipe 11 on its inwall, because the upper and lower opening of water spray cover 1 is less, operator take material extremely inconvenient, and operation is also dangerous.

The utility model content

The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of water spray cover of gear induction quenching device, less in order to solve waterworks upper and lower opening of the prior art, operator take material extremely inconvenient, and operate also uneasy congruent problem.

Reach for achieving the above object other relevant purposes, the utility model provides a kind of water spray cover of gear induction quenching device to comprise a collar body, the inwall of described collar body comprises upper angled wall, the vertical wall in middle part and lower tilt wall, be densely covered with a plurality of spout holes on described upper angled wall and the lower tilt wall, and respectively this spout hole is communicated with the water inlet pipe that is arranged on described collar body both sides.

In waterworks of the present utility model, the upper side opening of described collar body equals the open lower side of described collar body.The angle of the vertical wall in described upper angled wall and middle part is 120 degree, and the angle of the vertical wall in described lower tilt wall and middle part is 120 degree.

As mentioned above, waterworks of the present utility model in use gear is placed on the rotating disk, enters the water spray district after heating and carries out upper spray quenching.Its process reduces, and is wide-mouth owing to being up and down, and the workman is easy to operate, is easy to simultaneously observe the situation of spray quenching, has improved production efficiency and quality product, has reduced scrap rate.

Description of drawings

Fig. 1 is shown as the structural representation of waterworks in the prior art.

Fig. 2 is shown as the structural representation of waterworks of the present utility model.

Embodiment

See also Fig. 2, Fig. 2 is shown as functional block diagram of the present utility model.Need to prove, the diagram that provides in the present embodiment only illustrates basic conception of the present utility model in a schematic way, satisfy only show in graphic with the utility model in relevant assembly but not component count, shape and size drafting when implementing according to reality, kenel, quantity and the ratio of each assembly can be a kind of random change during its actual enforcement, and its assembly layout kenel also may be more complicated.

As shown in the figure, the utility model provides a kind of water spray cover 2 of gear induction quenching device, comprise a collar body 20, the inwall of described collar body 20 (22,23) comprises upper angled wall 22, the vertical wall 23 in middle part and lower tilt wall 24, be densely covered with a plurality of spout holes 220 on the described upper angled wall 22, be densely covered with a plurality of spout holes 240 on the lower tilt wall 24, and respectively this spout hole (220,240) is communicated with the water inlet pipe 21 that is arranged on described collar body 20 both sides.

In waterworks of the present utility model, the upper side opening of described collar body 20 equals the open lower side of described collar body 20, upper and lower opening is the wide-mouth setting like this, can make and be placed on arbitrarily part suitable for reading or end opening part, so that gear (not shown) placement is convenient to remove, and the setting of water-jet does not need to consider installation direction yet, has good fool proof effect, simultaneously hardening liquid is sprayed up or down, can be sprayed on when spraying downwards on another workpiece that quenches simultaneously on the same lathe.

Concrete, described upper angled wall 22 is 120 degree with the angle of the vertical wall 23 in middle part.Described lower tilt wall 24 is 120 degree with the angle of the vertical wall 23 in middle part.

During use, gear is placed on the rotating disk, the turning axle rotation that driven by motor links to each other with rotating disk, rotating disk is moved down make gear enter induction coil and heat, after gear was heated to quenching temperature, motor drove follower gear by turning axle and rises, enter in the collar body 20 of waterworks, hardening liquid enters in the collar body 20 water cavity (indicating) by water inlet pipe 21, upwards hardening liquid is sprayed on the gear by spout hole 220 again, finishes quenching.

In sum, waterworks of the present utility model in use gear is placed on the rotating disk, enters the water spray district after heating and carries out upper spray quenching.Its process reduces, owing to being wide-mouth, the workman is easy to operate, is easy to simultaneously observe the situation of spray quenching, has improved production efficiency and quality product, has reduced scrap rate.

Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not is used for restriction the utility model.Any person skilled in the art scholar all can be under spirit of the present utility model and category, and above-described embodiment is modified or changed.

Claims

1. the water spray cover of a gear induction quenching device, it is characterized in that, comprise a collar body, the inwall of described collar body comprises upper angled wall, the vertical wall in middle part and lower tilt wall, be densely covered with a plurality of spout holes on described upper angled wall and the lower tilt wall, and respectively this spout hole is communicated with the water inlet pipe that is arranged on described collar body both sides.

2. the water spray cover of gear induction quenching device according to claim 1, it is characterized in that: the upper side opening of described collar body equals the open lower side of described collar body.

3. the water spray cover of gear induction quenching device according to claim 1 is characterized in that: the hang down angle of wall of described upper angled wall and middle part is 120 degree, and the hang down angle of wall of described lower tilt wall and middle part is 120 to spend.