CN218059097U

CN218059097U - Cooling circulation system of quenching bath for heat treatment of forged piece

Info

Publication number: CN218059097U
Application number: CN202221815642.3U
Authority: CN
Inventors: 徐静皋; 高剑; 吴霖
Original assignee: Suzhou Dongwu Forging And Welding Plant Co ltd
Current assignee: Suzhou Dongwu Forging And Welding Plant Co ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2022-12-16
Anticipated expiration: 2032-07-15

Abstract

The utility model discloses a quenching bath cooling circulation system for heat treatment of forged pieces, which relates to the technical field of quenching cooling circulation, and is characterized in that a filtering structure is not provided in the cooling circulation of the quenching bath, and scrap metal in quenching objects easily blocks up pipelines, thereby influencing the quenching cooling circulation. A filter tank is arranged at one end of the quenching bath body, an overflow pipe is arranged between the filter tank and the quenching bath body, and overflow ports are arranged at two ends of the overflow pipe; further comprising: the magnetic suction block is arranged below the overflow port, a stainless steel metal filter screen is arranged below the magnetic suction block, and an electric lifting plate is arranged on one side below the stainless steel metal filter screen; the filter screen, it sets up in the inside of filtering ponds, and it is provided with a plurality ofly, be provided with a plurality of back flush shower nozzle between the filter screen, the below of back flush shower nozzle is provided with the discharge pipe.

Description

Cooling circulation system of quenching bath for heat treatment of forged piece

Technical Field

The utility model relates to a quenching cooling circulation technical field specifically is a forging heat treatment quenching bath cooling circulation system.

Background

Quenching is a heat treatment process, and a quenching bath is used for circularly cooling a quenched object;

as in application No.: CN202121610850.5, named as "heat treatment quenching cooling circulation system", includes a quenching bath, a temperature sensor, a temperature control system, a circulation system and a controller, wherein the quenching bath contains quenching liquid; the temperature sensor is inserted into the quenching bath and positioned in the middle position of the quenching liquid in the height direction, and the temperature sensor is connected with the controller; the temperature control system and the circulating system are respectively arranged on one side of the quenching bath; the controller is connected with the temperature control system and the circulating system; the controller is configured to: when the semi-finished cast balls fall into the quenching bath, the circulating system is started to circularly stir the quenching liquid, when the temperature sensor detects that the temperature of the quenching liquid is higher than the upper limit temperature, the temperature control system is started to cool the quenching liquid, when the temperature sensor detects that the temperature of the quenching liquid is lower than the lower limit temperature, the temperature control system is closed, and the circulating system is closed after a preset time interval. The application increases the uniform cooling degree of the quenching liquid, and the upper temperature and the lower temperature of the quenching liquid are consistent.

However, the existing quenching bath cooling circulation does not have a filtering structure, and metal iron chips in quenching objects easily block pipelines, so that the quenching cooling circulation is influenced; therefore, the existing requirements are not met, and a cooling circulation system of the quenching bath for heat treatment of forgings is provided for the quenching bath.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a forging heat treatment quenching bath cooling circulation system to do not possess filtration in solving the current quenching bath cooling circulation who provides in the above-mentioned background art, metal iron fillings block up the pipeline easily in the quenching article, thereby influence quenching cooling circulation's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a forging heat treatment quench bath cooling circulation system comprising: the quenching device comprises a quenching bath body, wherein a filter bath is arranged at one end of the quenching bath body, an overflow pipe is arranged between the filter bath and the quenching bath body, and overflow ports are arranged at two ends of the overflow pipe;

further comprising:

the magnetic suction block is arranged below the overflow port, a stainless steel metal filter screen is arranged below the magnetic suction block, and an electric lifting plate is arranged on one side below the stainless steel metal filter screen;

the filter screen, it sets up in the inside of filtering ponds, and it is provided with a plurality ofly, be provided with a plurality of back flush shower nozzle between the filter screen, the below of back flush shower nozzle is provided with the discharge pipe.

Preferably, one end of the filtering tank is provided with a circulating pipe, the outer wall of the circulating pipe is provided with a control valve, and one end of the circulating pipe is provided with a heat exchange mechanism.

Preferably, a water replenishing pump is arranged at one end of the heat exchange mechanism, a cold water pipe is arranged at one side of the heat exchange mechanism, and a cooling water tank is arranged at one end of the cold water pipe.

Preferably, an electric control valve pipe is arranged at one end of the cooling water tank, a spraying conveying pipe is arranged at one end of the electric control valve pipe, and a plurality of spraying heads are arranged below the spraying conveying pipe.

Preferably, the outer wall of the quenching bath body is provided with a plurality of temperature sensors, and the detection ends of the temperature sensors extend into the quenching bath body.

Preferably, the output end of the temperature sensor is provided with a control mechanism, the output end of the temperature sensor is electrically connected with the input end of the control mechanism, and the output end of the control mechanism is electrically connected with the input end of the electric control valve pipe.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up overflow pipe and overflow mouth in with this internal unnecessary water overflow of quenching bath to the filter tank, magnetic attraction piece plays the effect of magnetic force adsorption scrap metal iron, stainless steel metal filter screen plays the effect that blocks inside impurity particulate matter, be blockked the back at scrap metal iron, a plurality of filter screens filter the impurity granule in the water, and utilize the back flush shower nozzle to wash the filter screen after filtering, the sparge water is discharged from the discharge pipe, make and possess filtering capability among the whole quenching cooling circulation system, and can carry out filtering operation automatically, whole interior impurity granule filter effect to iron fillings and water is good, can also carry out back flush operation automatically, make the perfection more of quenching bath cooling circulation system.

2. The water after filtering is carried to heat transfer mechanism department from the circulating pipe and is carried out the heat transfer, the operation of moisturizing is carried out to the moisturizing pump among the heat transfer process, after the heat transfer, send into the water through the cold water pipe and deposit in cooling water tank, cooling water tank department sends into the water through automatically controlled valve pipe and sprays to shower head department, reach quick refrigerated effect on a large scale, temperature sensor plays the effect of detection temperature, when this internal high temperature of quenching bath, control mechanism control automatically controlled valve pipe is opened, make the cooling water enter into the quenching bath and carry out the quenching operation, make whole quenching process can carry out cooling cycle, and can cool off the business turn over according to temperature control.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the filtering tank of the present invention;

FIG. 3 is a schematic view of a partial structure of the shower head of the present invention;

in the figure: 1. a quenching bath body; 2. a cooling water tank; 3. an electrically controlled valve tube; 4. spraying a conveying pipe; 5. a shower head; 6. an overflow pipe; 7. a filtering tank; 8. a circulation pipe; 9. a control valve; 10. a heat exchange mechanism; 11. a water replenishing pump; 12. a cold water pipe; 13. a temperature sensor; 14. an overflow port; 15. a magnetic block; 16. stainless steel metal screens; 17. an electric lifter plate; 18. a filter screen; 19. backwashing the spray head; 20. a discharge pipe; 21. and a control mechanism.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a forging heat treatment quench bath cooling circulation system comprising: the quenching tank comprises a quenching tank body 1, wherein a filtering tank 7 is arranged at one end of the quenching tank body 1, an overflow pipe 6 is arranged between the filtering tank 7 and the quenching tank body 1, and overflow ports 14 are formed in two ends of the overflow pipe 6;

further comprising:

the magnetic suction block 15 is arranged below the overflow port 14, a stainless steel metal filter screen 16 is arranged below the magnetic suction block 15, and an electric lifting plate 17 is arranged on one side below the stainless steel metal filter screen 16;

and a plurality of filter screens 18 which are arranged inside the filter tank 7, wherein a plurality of back washing nozzles 19 are arranged between the filter screens 18, and a discharge pipe 20 is arranged below the back washing nozzles 19.

Referring to fig. 1, one end of the filtering tank 7 is provided with a circulating pipe 8, the outer wall of the circulating pipe 8 is provided with a control valve 9, one end of the circulating pipe 8 is provided with a heat exchange mechanism 10, and the filtered water is conveyed from the circulating pipe 8 to the heat exchange mechanism 10 for heat exchange.

Referring to fig. 1, a water replenishing pump 11 is disposed at one end of a heat exchanging mechanism 10, a cold water pipe 12 is disposed at one side of the heat exchanging mechanism 10, a cooling water tank 2 is disposed at one end of the cold water pipe 12, the water replenishing pump 11 performs a water replenishing operation during a heat exchanging process, and after the heat exchanging process, a water body is sent into the cooling water tank 2 through the cold water pipe 12 to be stored.

Referring to fig. 1 and 3, an electric control valve pipe 3 is disposed at one end of the cooling water tank 2, a spray delivery pipe 4 is disposed at one end of the electric control valve pipe 3, a plurality of spray headers 5 are disposed below the spray delivery pipe 4, and the cooling water tank 2 sends water into the spray headers 5 through the electric control valve pipe 3 to be sprayed, so as to achieve a large-scale rapid cooling effect.

Referring to fig. 1, a plurality of temperature sensors 13 are disposed on an outer wall of the quenching bath body 1, and a detection end of each temperature sensor 13 extends into the quenching bath body 1, so that the temperature sensors 13 perform a temperature detection effect.

Referring to fig. 1, the output end of the temperature sensor 13 is provided with a control mechanism 21, the output end of the temperature sensor 13 is electrically connected with the input end of the control mechanism 21, the output end of the control mechanism 21 is electrically connected with the input end of the electric control valve pipe 3, when the temperature in the quenching bath body 1 is too high, the control mechanism 21 controls the electric control valve pipe 3 to be opened, so that cooling water enters the quenching bath for quenching operation, the whole quenching process can be cooled and circulated, and the cooling can be controlled to enter and exit according to the temperature.

The working principle is as follows: when the quenching cooling circulation system is used, redundant water in the quenching tank body 1 overflows into the filter tank 7 through the overflow pipe 6 and the overflow port 14, the magnetic suction block 15 has the effect of magnetically adsorbing metal scrap iron, the stainless steel metal filter screen 16 has the effect of blocking internal impurity particles, after the metal scrap iron is blocked, the filter screens 18 filter impurity particles in the water, the filter screens 18 are washed by the back-washing spray head 19 after filtering, washing water is discharged from the discharge pipe 20, the whole quenching cooling circulation system has a filtering function and can automatically perform filtering operation, the whole filtering effect on the iron scrap and the internal impurity particles in the water is good, and the back-washing operation can be automatically performed, so that the quenching cooling circulation system is more complete, the filtered water is conveyed to the heat exchange mechanism 10 from the circulation pipe 8 to perform heat exchange, the water replenishing pump 11 performs water replenishing operation in the heat exchange process, after heat exchange, the water is conveyed into the cooling water tank 2 through the cold water pipe 12 to be stored, the cooling water tank 2 is conveyed into the spray head 5 through the electric control valve 3 to perform spray, the effect of large-scale quick cooling, the temperature sensor 13 performs temperature detection effect, when the temperature control in the quenching cooling tank body 1, and the whole quenching cooling circulation control mechanism can perform temperature control according to the whole quenching cooling circulation control process, and the quenching cooling mechanism can perform temperature control according to the whole quenching cooling process.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A quenching bath cooling circulation system for heat treatment of forged pieces comprises a quenching bath body (1), wherein a filtering bath (7) is arranged at one end of the quenching bath body (1), an overflow pipe (6) is arranged between the filtering bath (7) and the quenching bath body (1), and overflow ports (14) are formed in two ends of the overflow pipe (6);

the method is characterized in that: further comprising:

the magnetic suction block (15) is arranged below the overflow port (14), a stainless steel metal filter screen (16) is arranged below the magnetic suction block (15), and an electric lifting plate (17) is arranged on one side below the stainless steel metal filter screen (16);

the filter screen (18) is arranged in the filter tank (7) and is provided with a plurality of filter screens, a plurality of back washing nozzles (19) are arranged between the filter screens (18), and a discharge pipe (20) is arranged below the back washing nozzles (19).

2. The forging heat treatment quenching bath cooling circulation system of claim 1, wherein: one end of the filtering tank (7) is provided with a circulating pipe (8), the outer wall of the circulating pipe (8) is provided with a control valve (9), and one end of the circulating pipe (8) is provided with a heat exchange mechanism (10).

3. The forging heat treatment quenching bath cooling circulation system of claim 2, wherein: one end of the heat exchange mechanism (10) is provided with a water replenishing pump (11), one side of the heat exchange mechanism (10) is provided with a cold water pipe (12), and one end of the cold water pipe (12) is provided with a cooling water tank (2).

4. The forging heat treatment quenching bath cooling circulation system of claim 3, wherein: one end of the cooling water tank (2) is provided with an electric control valve pipe (3), one end of the electric control valve pipe (3) is provided with a spraying conveying pipe (4), and a plurality of spraying heads (5) are arranged below the spraying conveying pipe (4).

5. The forging heat treatment quenching bath cooling circulation system of claim 1, wherein: the outer wall of the quenching bath body (1) is provided with a plurality of temperature sensors (13), and the detection ends of the temperature sensors (13) extend into the quenching bath body (1).

6. The forging heat treatment quenching bath cooling circulation system of claim 5, wherein: the output end of the temperature sensor (13) is provided with a control mechanism (21), the output end of the temperature sensor (13) is electrically connected with the input end of the control mechanism (21), and the output end of the control mechanism (21) is electrically connected with the input end of the electric control valve pipe (3).