CN216237166U - Injection apparatus for hopper under quenching furnace - Google Patents

Abstract

The utility model discloses a spraying device for a discharging hopper of a quenching furnace, which comprises a spraying box body which is through up and down, wherein a plurality of first spraying pipes which are vertically distributed on the same side of the spraying box body are arranged on the spraying box body, a plurality of first spraying holes are formed in the first spraying pipes, second spraying pipes are arranged on two sides of an opening at the bottom of the spraying box body, the two second spraying pipes are respectively positioned on two sides of the first spraying pipes, a plurality of second spraying holes are formed in the second spraying pipes, oil conveying pipes are connected to the first spraying pipes and the second spraying pipes, quenching oil is sprayed to parts through the first spraying pipes and the second spraying pipes, so that the falling positions of the parts in a quenching tank are changed, the parts can accurately fall on a conveying belt, the conveying is convenient, and the conveying efficiency is improved.

Description

Injection apparatus for hopper under quenching furnace

Technical Field

The utility model belongs to the field of heat treatment equipment, and particularly relates to a spraying device for a discharging hopper of a quenching furnace.

Background

Before quenching, the parts need to be heated to a certain temperature in a heating device and kept for a certain time at the temperature, then the parts are placed in a quenching tank with quenching medium, and the quenched parts are conveyed to the next process through a conveying belt arranged at the bottom of the quenching tank.

Guide plates are also arranged on two sides of the conveying belt in the prior art, but the guide plates can block the flow of quenching oil, so that the temperature of local quenching oil is increased, and the quenching quality of parts is not facilitated.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the injection device for the discharging hopper of the quenching furnace, which is used for adjusting the falling position of the part and improving the conveying efficiency of the part.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a quenching furnace is injection apparatus for hopper down, includes upper and lower penetrating injection box, be provided with a plurality of vertical distribution on the injection box and spray the box with the first injection pipe of one side, be provided with a plurality of first jet orifices on the first injection pipe, it is provided with the second injection pipe to spray bottom half open-ended both sides, and two second injection pipes are located the both sides of first injection pipe respectively, be provided with a plurality of second jet orifices on the second injection pipe, all be connected with defeated oil pipe on first injection pipe and the second injection pipe.

Further, be provided with a plurality of groups on the first injection pipe and spray the group, every group sprays the group and includes a plurality of first jet orifices, and a plurality of injection group circumference distribute on the same semicircle that first injection pipe orientation sprayed the box inside, be provided with first adjustment mechanism on the first injection pipe.

Further, first adjustment mechanism includes the control tube, the control tube rotates to be connected in the inside of first injection pipe, and the outer wall of control tube hugs closely mutually with the inner wall of first injection pipe, be provided with a plurality of regulation holes that correspond first jet orifice on the control tube, the tip of first injection pipe rotates and is connected with the regulation handle, the regulation handle is connected with the control tube.

Further, be provided with the oil curtain generator on the injection box, the oil curtain generator is close to the open-top that sprays the box, and the transmission port orientation of oil curtain generator sprays inside the box, oil pipeline is connected to the oil curtain generator.

Further, spray the inside second adjustment mechanism that is provided with corresponding oil curtain generator transmission mouth of box, second adjustment mechanism includes fixed plate and regulating plate, regulating plate and spraying box sliding connection form the oil curtain jet orifice between regulating plate and the fixed plate.

Compared with the prior art, the utility model has the beneficial effects that: the spraying box body is arranged between the heating device and the quenching tank, parts falling from the heating device enter the spraying box body, quenching oil is sprayed on the parts falling into the quenching oil through the first spraying pipe and the second spraying pipe in the spraying box body, and impact is caused on the parts, so that the falling positions of the parts in the quenching tank are changed, the parts can accurately fall on the conveying belt after entering the quenching tank, and the parts are prevented from falling on the bottom of the quenching tank or in the transmission mechanism of the conveying belt, so that conveying through the conveying belt is facilitated, and the conveying efficiency of the parts is improved; and the first injection pipe and the second injection pipe are immersed in the quenching oil, and the quenching oil can be stirred when the quenching oil is injected, so that the quenching oil circularly flows, and the local temperature rise of the quenching oil is avoided.

Drawings

FIG. 1 is a schematic view of the connection of the spraying device of the present invention;

FIG. 2 is a schematic front view of the spraying device;

FIG. 3 is a schematic side view of the spraying device;

FIG. 4 is an enlarged view of portion A of FIG. 2;

fig. 5 is an enlarged view of a portion B in fig. 2.

Reference numerals: 1. an injection box body; 2. a first injection pipe; 3. a first injection hole; 4. a second injection pipe; 5. a second injection hole; 6. an oil delivery pipe; 7. an adjusting tube; 8. an adjustment hole; 9. adjusting the handle; 10. an oil curtain generator; 11. a fixing plate; 12. an adjusting plate; 13. a heating device; 14. a quenching tank; 15. and (5) conveying the belt.

Detailed Description

In the description of the present invention, it should be noted that, for the terms of orientation, such as "central", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate that the orientation and positional relationship are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the utility model, "a number" or "a number" means two or more unless explicitly specified otherwise.

The present invention is further explained with reference to fig. 1 to 5.

The utility model provides a quenching furnace is injection apparatus for hopper down, includes upper and lower penetrating injection box 1, it is at the first injection pipe 2 that sprays box 1 with one side to be provided with a plurality of vertical distribution on the injection box 1, be provided with a plurality of first jet orifices 3 on the first injection pipe 2, 1 bottom open-ended both sides of injection box are provided with second injection pipe 4, and two second injection pipes 4 are located the both sides of first injection pipe 2 respectively, be provided with a plurality of second jet orifices 5 on the second injection pipe 4, all be connected with defeated oil pipe 6 on first injection pipe 2 and the second injection pipe 4.

As shown in fig. 1 to 5, the injection box body 1 is installed between the heating device 13 and the quenching tank 14, the top opening of the injection box body 1 is connected with the feed opening of the heating device 13, the bottom opening of the injection box body 1 extends into the quenching tank 14 and is close to the conveyor belt 15, the first injection pipe 2 and the second injection pipe 4 are immersed in the quenching oil, then the oil pipeline 6 supplies oil to the first injection pipe 2 and the second injection pipe 4, so that the first injection hole 3 on the first injection pipe 2 and the injection hole on the second injection pipe 4 inject oil, when a part in the heating device 13 falls from the feed opening and passes through the inside of the injection box body 1, the part is impacted by the oil sprayed by the first injection pipes 2, the part is impacted by the transverse impact force, so that the falling position of the part is far away from the end of the conveyor belt 15, when the part falls to the second injection pipe 4, the part is impacted by the oil sprayed by the second injection pipes 4 on both sides again, parts originally falling on both sides of the conveying belt 15 are concentrated at the middle position, namely the parts are concentrated at the middle position on both sides of the conveying belt 15, so that the parts are prevented from falling at places except the conveying belt 15, and the conveying efficiency of the parts is improved.

Preferably, the oil conveyed by the oil conveying pipe 6 is quenching oil in the quenching tank 14, that is, the quenching oil is circulated and flows, and the local temperature rise of the quenching oil is avoided.

As shown in fig. 3 and 4, in this embodiment, preferably, a plurality of groups of injection groups are arranged on the first injection pipe 2, each group of injection groups includes a plurality of first injection holes 3, and a plurality of injection groups are circumferentially distributed on the same semicircle of the first injection pipe 2 facing the inside of the injection box 1, a first adjusting mechanism is arranged on the first injection pipe 2 to adjust the injection groups on the first injection pipe 2, so that the injection groups are injected through only the first injection holes 3 on one group of injection groups at a time, and the adjustment of the injection angle of different parts is facilitated.

As shown in fig. 4, the first adjusting mechanism of the present embodiment preferably includes an adjusting pipe 7, the adjusting pipe 7 is rotatably connected inside the first injection pipe 2, and the outer wall of the adjusting pipe 7 is tightly attached to the inner wall of the first injection pipe 2, a plurality of adjusting holes 8 corresponding to the first injection holes 3 are provided on the adjusting pipe 7, the end of the first injection pipe 2 is rotatably connected with an adjusting handle 9, the adjusting handle 9 is connected to the adjusting pipe 7, when the angle of the injection pipe on the first injection pipe 2 needs to be changed, the adjusting handle 9 is rotated to drive the adjusting pipe 7 in the first injection pipe 2 to rotate, the adjusting hole 8 on the adjusting pipe 7 is changed to correspond to the first injection hole 3 on the other group, and the first injection hole 3 on the original injection group is blocked by the adjusting pipe 7 and does not inject the quenching oil any more, so as to complete the adjustment of the injection angle.

As shown in fig. 5, it is preferable in this embodiment that an oil curtain generator 10 is disposed on the injection box 1, the oil curtain generator 10 is close to the top opening of the injection box 1, the emission port of the oil curtain generator 10 faces the inside of the injection box 1, the oil curtain generator 10 is connected to the oil pipe 6, when a part begins to fall into quenching oil from the heating device 13, the oil pipe 6 supplies oil to the oil curtain generator 10, the oil curtain generator 10 forms a thin oil curtain above the liquid level of the quenching oil in the quenching tank 14, and the quenching oil is isolated from the heating device 13, so as to prevent oil smoke impurities generated during quenching of the part from entering the heating device 13, affecting the atmosphere in the heating device 13 and affecting the heat treatment quality of the part.

As shown in fig. 5, the spraying box 1 of the present embodiment is preferably provided with a second adjusting mechanism corresponding to the emission opening of the oil curtain generator 10 inside, the second adjusting mechanism includes a fixed plate 11 and an adjusting plate 12, the adjusting plate 12 is slidably connected to the spraying box 1, an oil curtain injection opening is formed between the adjusting plate 12 and the fixed plate 11, that is, the distance between the adjusting plate 12 and the fixed plate 11 is changed by moving the adjusting plate 12 to achieve the size of the oil curtain injection opening, so as to change the thickness of the injected oil curtain, and further change the isolation effect of the oil curtain on the oil smoke.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims (5)

1. The utility model provides a quenching furnace is injection apparatus for hopper down which characterized in that: including penetrating injection box from top to bottom, be provided with a plurality of vertical distribution on the injection box and spray the first injection pipe of box with one side, be provided with a plurality of first jet orifices on the first injection pipe, it is provided with the second injection pipe to spray bottom half open-ended both sides, and two second injection pipes are located the both sides of first injection pipe respectively, be provided with a plurality of second jet orifices on the second injection pipe, all be connected with defeated oil pipe on first injection pipe and the second injection pipe.

2. The injection device for the blanking hopper of the quenching furnace as claimed in claim 1, wherein: be provided with a plurality of groups on the first injection pipe and spray the group, every group sprays the group and includes a plurality of first jet orifices, and a plurality of injection group circumference distribute on the same semicircle that the box was inside towards spraying of first injection pipe, be provided with first adjustment mechanism on the first injection pipe.

3. The injection device for the blanking hopper of the quenching furnace as claimed in claim 2, wherein: first adjustment mechanism includes the control tube, the control tube rotates to be connected in the inside of first injection pipe, and the outer wall of control tube hugs closely mutually with the inner wall of first injection pipe, be provided with a plurality of regulation holes that correspond first jet orifice on the control tube, the tip of first injection pipe rotates and is connected with the regulation handle, the regulation handle is connected with the control tube.

4. The injection device for the blanking hopper of the quenching furnace as claimed in claim 3, wherein: the oil curtain generator is arranged on the injection box body, the oil curtain generator is close to the top opening of the injection box body, the emission opening of the oil curtain generator faces the inside of the injection box body, and the oil curtain generator is connected with an oil delivery pipe.

5. The injection device for the blanking hopper of the quenching furnace as claimed in claim 4, wherein: the inside second adjustment mechanism that is provided with corresponding oil curtain generator transmission mouth of injection box, second adjustment mechanism includes fixed plate and regulating plate, the regulating plate with spray box sliding connection, form the oil curtain jet between regulating plate and the fixed plate.

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