CN212983001U

CN212983001U - High-efficient quenching bath

Info

Publication number: CN212983001U
Application number: CN202022017343.2U
Authority: CN
Inventors: 张建森
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-15
Filing date: 2020-09-15
Publication date: 2021-04-16
Anticipated expiration: 2030-09-15

Abstract

The utility model discloses a high-efficient quenching bath, including quenching bath, back flow and cooling tower. A cooling tower is arranged on the outer side of the quenching tank, a liquid pumping pipe is arranged on the side wall of the quenching tank, a return pipe is arranged in the quenching tank, a plurality of return holes are formed in the side wall of the return pipe, a water pump is arranged at the upper end of the interior of the cooling tower, one end of the water pump is communicated with the liquid pumping pipe, the other end of the water pump is connected with a second connecting pipe, the second connecting pipe is connected with the upper end of a flow dividing pipe, and the lower end of the flow dividing pipe is communicated with the return pipe through the first connecting pipe; the bottom surface of the quenching bath is provided with an exhaust pipe, the outer part of the quenching bath is provided with an air blower, the exhaust pipe is communicated with the air blower through an air inlet pipe, the quenching bath is filled with quenching medium, and the cooling tower is filled with water. The utility model discloses can let high temperature quenching medium cool down rapidly to make low temperature quenching medium fast dispersion even in the quenching bath.

Description

High-efficient quenching bath

Technical Field

The utility model relates to a heat treatment technical field specifically relates to a high-efficient quenching bath.

Background

Quenching is a heat treatment process in which steel is heated to a temperature above the critical temperature, held for a certain period of time, and then cooled at a rate greater than the critical cooling rate to obtain an unbalanced structure mainly composed of martensite. Specifically, when cooling the high-temperature steel, it is necessary to immerse it in a quenching bath so that the high-temperature steel is rapidly cooled.

The cooling speed is crucial to the quenching quality, the temperature of the quenching medium can be obviously increased during quenching, and the problems of slow cooling and uneven cooling of the quenching medium exist in the conventional quenching bath, which seriously affect the processing quality and the processing efficiency of workpieces.

Therefore, it is necessary to provide a high-efficiency quenching bath, aiming at solving the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems existing in the prior art and provide a high-efficiency quenching bath.

In order to achieve the above object, the utility model provides a following technical scheme:

an efficient quenching bath comprises a quenching bath, a return pipe and a cooling tower. A cooling tower is arranged on the outer side of the quenching tank, a liquid pumping pipe is arranged on the side wall of the quenching tank, a return pipe is arranged in the quenching tank, a plurality of return holes are formed in the side wall of the return pipe, a water pump is arranged at the upper end of the interior of the cooling tower, one end of the water pump is communicated with the liquid pumping pipe, the other end of the water pump is connected with a second connecting pipe, the second connecting pipe is connected with the upper end of a flow dividing pipe, and the lower end of the flow dividing pipe is communicated with the return pipe through the first connecting pipe; the bottom surface of the quenching bath is provided with an exhaust pipe, the outer part of the quenching bath is provided with an air blower, the exhaust pipe is communicated with the air blower through an air inlet pipe, the quenching bath is filled with quenching medium, and the cooling tower is filled with water.

As the utility model discloses further scheme, the upper end and the lower extreme of shunt tubes are the horizontal pipe, and the horizontal pipe of upper end and the horizontal pipe of lower extreme pass through the vertical pipe intercommunication of several, and the shunt tubes is located the inside aquatic of cooling tower, can effectively increase the area of contact of pipeline and water like this for quenching medium rapid cooling.

As a further proposal of the utility model, a quick cooling chamber is arranged between the quenching bath and the cooling tower, one part of the first connecting pipe is arranged in the quick cooling chamber, and a dry ice sprayer is arranged in the quick cooling chamber.

As the utility model discloses further scheme, the middle high department of quenching bath inside wall installs temperature sensor, and the lateral wall of quenching bath is connected with bee calling organ, bee calling organ is connected through the circuit with temperature sensor.

As a further scheme of the utility model, the bottom of quenching bath is provided with the blow off pipe, installs the blowoff valve on the blow off pipe, the bottom of cooling tower is provided with the drain pipe, installs the drain valve on the drain pipe, be provided with the inlet tube on the lateral wall of cooling tower, install the water intaking valve on the inlet tube.

As a further scheme of the utility model, install the admission valve in the intake pipe, it has the several exhaust hole to open on the blast pipe, the liquid suction pipe is located one of quenching bath and serves and install the filter screen, and impurity in the quenching medium can be filtered to the filter screen, makes the water pumper damage in avoiding impurity to get into the water pumper.

As a further proposal of the utility model, the back flow passes through the bottom surface fixed connection of support frame one and quenching bath, the shunt tubes passes through the bottom surface fixed connection of support frame two and cooling tower, be connected with the backup pad on the inside wall of cooling tower, install in the backup pad the water pumper.

As a further proposal of the utility model, the quenching medium is water, mineral oil or organic matter water solution.

To sum up, the beneficial effects of the utility model are that:

the utility model can rapidly cool the high-temperature quenching medium through the arrangement of the cooling tower and the shunt tubes; the backflow holes in the backflow pipe can enable the low-temperature quenching medium to be uniformly distributed in the quenching bath, and the arrangement of the air blower and the exhaust pipe accelerates the diffusion of the low-temperature quenching medium in the quenching bath.

Drawings

Fig. 1 is a schematic structural diagram of a high-efficiency quenching bath in embodiment 1 of the utility model.

Fig. 2 is a schematic three-dimensional structure of the shunt tube in fig. 1.

Fig. 3 is a schematic structural diagram of a high-efficiency quenching bath in embodiment 2 of the utility model.

Reference numerals: 1-quenching bath, 2-filter screen, 3-quenching medium, 4-liquid extraction pipe, 7-temperature sensor, 8-blower, 9-air inlet valve, 10-air inlet pipe, 11-exhaust pipe, 12-return pipe, 13-first support frame, 14-return hole, 15-blow-down valve, 16-blow-down pipe, 17-first connection pipe, 18-dry ice ejector, 19-rapid cooling chamber, 20-shunt pipe, 21-second support frame, 22-drain pipe, 23-drain valve, 24-support plate, 25-water pump, 26-second connection pipe, 27-water inlet pipe, 28-water inlet valve, 29-water, 30-cooling tower and 31-buzzer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following description of the present invention with reference to the accompanying drawings and specific embodiments will explain the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1

Referring to fig. 1 and 2, the high-efficiency quenching bath comprises a quenching bath 1, a return pipe 12 and a cooling tower 30. A cooling tower 30 is arranged on the outer side of the quenching bath 1, a liquid pumping pipe 4 is arranged on the side wall of the quenching bath 1, a return pipe 12 is arranged in the quenching bath 1, a plurality of return holes 14 are formed in the side wall of the return pipe 12, a water pump 25 is arranged at the upper end of the inside of the cooling tower 30, one end of the water pump 25 is communicated with the liquid pumping pipe 4, the other end of the water pump 25 is connected with a second connecting pipe 26, the second connecting pipe 26 is connected with the upper end of a flow dividing pipe 20, and the lower end of the flow dividing pipe 20 is communicated with the return pipe 12 through a first connecting pipe 17; an exhaust pipe 11 is installed on the bottom surface of the quenching bath 1, an air blower 8 is arranged outside the quenching bath 1, the exhaust pipe 11 is communicated with the air blower 8 through an air inlet pipe 10, the quenching medium 3 is filled in the quenching bath 1, and water 29 is filled in the cooling tower 30.

The upper end and the lower end of the shunt pipe 20 are horizontal pipes, the horizontal pipe at the upper end and the horizontal pipe at the lower end are communicated through a plurality of vertical pipes, and the shunt pipe 20 is positioned in water 29 inside the cooling tower 30, so that the contact area of the pipeline and the water can be effectively increased, and the quenching medium 3 can be rapidly cooled.

The bottom of the quenching bath 1 is provided with a drain pipe 16, a drain valve 15 is arranged on the drain pipe 16, the bottom of the cooling tower 30 is provided with a drain pipe 22, the drain pipe 22 is provided with a drain valve 23, the side wall of the cooling tower 30 is provided with a water inlet pipe 27, and the water inlet pipe 27 is provided with a water inlet valve 28.

Install admission valve 9 in the intake pipe 10, it has the several exhaust hole to open on the blast pipe 11, the liquid suction pipe 4 is located one of quenching bath 1 and serves and install filter screen 2, and impurity in the quenching medium 3 can be filtered to filter screen 2, makes the water pump damage in avoiding impurity to get into the water pump.

The backflow pipe 12 is fixedly connected with the bottom surface of the quenching bath 1 through a first support frame 13, the shunt pipe 20 is fixedly connected with the bottom surface of the cooling tower 30 through a second support frame 21, a support plate 24 is connected to the inner side wall of the cooling tower 30, and the water pump 25 is installed on the support plate 24.

The quenching medium 3 is water, mineral oil or organic matter water solution.

Example 2

Referring to fig. 2 and 3, in this embodiment, a rapid cooling chamber 19 is disposed between the quenching bath 1 and the cooling tower 30, a part of the first connecting pipe 17 is located inside the rapid cooling chamber 19, a dry ice ejector 18 is disposed inside the rapid cooling chamber 19, a temperature sensor 7 is mounted at a middle height of an inner side wall of the quenching bath 1, a buzzer 31 is connected to an outer side wall of the quenching bath 1, the buzzer 31 is connected to the temperature sensor 7 through a line, when the temperature sensor 7 detects that the temperature inside the quenching bath 1 is too high, the buzzer 31 starts to alarm, and at this time, the dry ice ejector 18 is used to rapidly cool the quenching medium 3 in the rapid cooling chamber 19.

The utility model discloses working process does: when the metal workpiece is quenched and cooled, the water pump 25 is started, the high-temperature quenching medium 3 in the quenching tank 1 is conveyed to the flow dividing pipe 20 for cooling, then the low-temperature quenching medium 3 is obtained and then returns to the quenching tank 1 through the return pipe 12, the return pipe 12 is provided with a plurality of return holes 14 for uniformly distributing the low-temperature quenching medium 3 in the quenching tank 1, and the blower 8 and the exhaust pipe 11 are arranged for accelerating the diffusion of the low-temperature quenching medium 3 in the quenching tank 1.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the invention, and all modifications, equivalents, improvements and the like that are made within the spirit and principles of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a high-efficient quenching bath, includes quenching bath (1), its characterized in that, the outside of quenching bath (1) is provided with cooling tower (30), is provided with liquid suction pipe (4) on the lateral wall of quenching bath (1), and the internally mounted of quenching bath (1) has back flow (12), it has several backward flow hole (14) to open on the lateral wall of back flow (12), the upper end department of cooling tower (30) inside is provided with water pumper (25), the one end of water pumper (25) with liquid suction pipe (4) intercommunication, the other end of water pumper (25) is connected with connecting pipe two (26), connecting pipe two (26) are connected with the upper end of shunt tubes (20), the lower extreme of shunt tubes (20) with back flow (12) are through connecting pipe one (17) intercommunication; an exhaust pipe (11) is installed on the bottom surface of the quenching tank (1), an air blower (8) is arranged outside the quenching tank (1), the exhaust pipe (11) is communicated with the air blower (8) through an air inlet pipe (10), a quenching medium (3) is filled in the quenching tank (1), and water (29) is filled in the cooling tower (30).

2. The high efficiency quench cell of claim 1 wherein the upper and lower ends of the diverter tube (20) are horizontal tubes, the upper horizontal tube and the lower horizontal tube communicating through a plurality of vertical tubes, the diverter tube (20) being located in the water (29) inside the cooling tower (30).

3. The high-efficiency quenching bath according to claim 1, wherein a rapid cooling chamber (19) is arranged between the quenching bath (1) and the cooling tower (30), a part of the first connecting pipe (17) is positioned inside the rapid cooling chamber (19), and a dry ice ejector (18) is arranged inside the rapid cooling chamber (19).

4. The efficient quenching bath according to claim 1, wherein a temperature sensor (7) is installed at the middle height of the inner side wall of the quenching bath (1), a buzzer (31) is connected to the outer side wall of the quenching bath (1), and the buzzer (31) is connected with the temperature sensor (7) through a line.

5. The efficient quenching bath according to claim 1, wherein a drain pipe (16) is arranged at the bottom of the quenching bath (1), a drain valve (15) is installed on the drain pipe (16), a drain pipe (22) is arranged at the bottom of the cooling tower (30), a drain valve (23) is installed on the drain pipe (22), a water inlet pipe (27) is arranged on the side wall of the cooling tower (30), and a water inlet valve (28) is installed on the water inlet pipe (27).

6. The high-efficiency quenching bath according to claim 1, wherein an air inlet valve (9) is installed on the air inlet pipe (10), a plurality of exhaust holes are opened on the exhaust pipe (11), and a filter screen (2) is installed at one end of the liquid pumping pipe (4) located in the quenching bath (1).

7. The high-efficiency quenching bath according to claim 2, wherein the return pipe (12) is fixedly connected with the bottom surface of the quenching bath (1) through a first support frame (13), the shunt pipe (20) is fixedly connected with the bottom surface of the cooling tower (30) through a second support frame (21), a support plate (24) is connected to the inner side wall of the cooling tower (30), and the water pump (25) is installed on the support plate (24).

8. The high-efficiency quenching bath according to claim 1, characterized in that the quenching medium (3) is water, mineral oil or an organic aqueous solution.